diff options
Diffstat (limited to 'src/mesa/drivers')
43 files changed, 10904 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i915pipe/Makefile b/src/mesa/drivers/dri/i915pipe/Makefile new file mode 100644 index 0000000000..857d3fc985 --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/Makefile @@ -0,0 +1,49 @@ + +TOP = ../../../../.. +include $(TOP)/configs/current + +LIBNAME = i915tex_dri.so + +MINIGLX_SOURCES = server/intel_dri.c + +DRIVER_SOURCES = \ + intel_regions.c \ + intel_buffer_objects.c \ + intel_batchbuffer.c \ + intel_mipmap_tree.c \ + intel_tex_layout.c \ + intel_tex_image.c \ + intel_tex_subimage.c \ + intel_tex_copy.c \ + intel_tex_validate.c \ + intel_tex_format.c \ + intel_tex.c \ + intel_pixel.c \ + intel_buffers.c \ + intel_blit.c \ + intel_context.c \ + intel_ioctl.c \ + intel_rotate.c \ + intel_screen.c \ + intel_span.c \ + intel_state.c \ + intel_surface.c \ + intel_fbo.c \ + intel_depthstencil.c \ + intel_batchpool.c + +C_SOURCES = \ + $(COMMON_SOURCES) \ + $(COMMON_BM_SOURCES) \ + $(DRIVER_SOURCES) + +ASM_SOURCES = + +DRIVER_DEFINES = -I../intel $(shell pkg-config libdrm --atleast-version=2.3.1 \ + && echo "-DDRM_VBLANK_FLIP=DRM_VBLANK_FLIP") + +include ../Makefile.template + +intel_tex_layout.o: ../intel/intel_tex_layout.c + +symlinks: diff --git a/src/mesa/drivers/dri/i915pipe/intel_batchbuffer.c b/src/mesa/drivers/dri/i915pipe/intel_batchbuffer.c new file mode 100644 index 0000000000..9259f2ac05 --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_batchbuffer.c @@ -0,0 +1,342 @@ +/************************************************************************** + * + * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#include "intel_batchbuffer.h" +#include "intel_ioctl.h" + +/* Relocations in kernel space: + * - pass dma buffer seperately + * - memory manager knows how to patch + * - pass list of dependent buffers + * - pass relocation list + * + * Either: + * - get back an offset for buffer to fire + * - memory manager knows how to fire buffer + * + * Really want the buffer to be AGP and pinned. + * + */ + +/* Cliprect fence: The highest fence protecting a dma buffer + * containing explicit cliprect information. Like the old drawable + * lock but irq-driven. X server must wait for this fence to expire + * before changing cliprects [and then doing sw rendering?]. For + * other dma buffers, the scheduler will grab current cliprect info + * and mix into buffer. X server must hold the lock while changing + * cliprects??? Make per-drawable. Need cliprects in shared memory + * -- beats storing them with every cmd buffer in the queue. + * + * ==> X server must wait for this fence to expire before touching the + * framebuffer with new cliprects. + * + * ==> Cliprect-dependent buffers associated with a + * cliprect-timestamp. All of the buffers associated with a timestamp + * must go to hardware before any buffer with a newer timestamp. + * + * ==> Dma should be queued per-drawable for correct X/GL + * synchronization. Or can fences be used for this? + * + * Applies to: Blit operations, metaops, X server operations -- X + * server automatically waits on its own dma to complete before + * modifying cliprects ??? + */ + +static void +intel_dump_batchbuffer(GLuint offset, GLuint * ptr, GLuint count) +{ + int i; + fprintf(stderr, "\n\n\nSTART BATCH (%d dwords):\n", count / 4); + for (i = 0; i < count / 4; i += 4) + fprintf(stderr, "0x%x:\t0x%08x 0x%08x 0x%08x 0x%08x\n", + offset + i * 4, ptr[i], ptr[i + 1], ptr[i + 2], ptr[i + 3]); + fprintf(stderr, "END BATCH\n\n\n"); +} + +void +intel_batchbuffer_reset(struct intel_batchbuffer *batch) +{ + + int i; + + /* + * Get a new, free batchbuffer. + */ + + batch->size = batch->intel->intelScreen->maxBatchSize; + driBOData(batch->buffer, batch->size, NULL, 0); + + driBOResetList(&batch->list); + + /* + * Unreference buffers previously on the relocation list. + */ + + for (i = 0; i < batch->nr_relocs; i++) { + struct buffer_reloc *r = &batch->reloc[i]; + driBOUnReference(r->buf); + } + + batch->list_count = 0; + batch->nr_relocs = 0; + batch->flags = 0; + + /* + * We don't refcount the batchbuffer itself since we can't destroy it + * while it's on the list. + */ + + + driBOAddListItem(&batch->list, batch->buffer, + DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_EXE, + DRM_BO_MASK_MEM | DRM_BO_FLAG_EXE); + + + batch->map = driBOMap(batch->buffer, DRM_BO_FLAG_WRITE, 0); + batch->ptr = batch->map; +} + +/*====================================================================== + * Public functions + */ +struct intel_batchbuffer * +intel_batchbuffer_alloc(struct intel_context *intel) +{ + struct intel_batchbuffer *batch = calloc(sizeof(*batch), 1); + + batch->intel = intel; + + driGenBuffers(intel->intelScreen->batchPool, "batchbuffer", 1, + &batch->buffer, 4096, + DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_EXE, 0); + batch->last_fence = NULL; + driBOCreateList(20, &batch->list); + intel_batchbuffer_reset(batch); + return batch; +} + +void +intel_batchbuffer_free(struct intel_batchbuffer *batch) +{ + if (batch->last_fence) { + driFenceFinish(batch->last_fence, + DRM_FENCE_TYPE_EXE | DRM_I915_FENCE_TYPE_RW, GL_FALSE); + driFenceUnReference(batch->last_fence); + batch->last_fence = NULL; + } + if (batch->map) { + driBOUnmap(batch->buffer); + batch->map = NULL; + } + driBOUnReference(batch->buffer); + batch->buffer = NULL; + free(batch); +} + +/* TODO: Push this whole function into bufmgr. + */ +static void +do_flush_locked(struct intel_batchbuffer *batch, + GLuint used, + GLboolean ignore_cliprects, GLboolean allow_unlock) +{ + GLuint *ptr; + GLuint i; + struct intel_context *intel = batch->intel; + unsigned fenceFlags; + struct _DriFenceObject *fo; + + driBOValidateList(batch->intel->driFd, &batch->list); + + /* Apply the relocations. This nasty map indicates to me that the + * whole task should be done internally by the memory manager, and + * that dma buffers probably need to be pinned within agp space. + */ + ptr = (GLuint *) driBOMap(batch->buffer, DRM_BO_FLAG_WRITE, + DRM_BO_HINT_ALLOW_UNFENCED_MAP); + + + for (i = 0; i < batch->nr_relocs; i++) { + struct buffer_reloc *r = &batch->reloc[i]; + + ptr[r->offset / 4] = driBOOffset(r->buf) + r->delta; + } + + if (INTEL_DEBUG & DEBUG_BATCH) + intel_dump_batchbuffer(0, ptr, used); + + driBOUnmap(batch->buffer); + batch->map = NULL; + + /* Throw away non-effective packets. Won't work once we have + * hardware contexts which would preserve statechanges beyond a + * single buffer. + */ + + if (!(intel->numClipRects == 0 && !ignore_cliprects)) { + intel_batch_ioctl(batch->intel, + driBOOffset(batch->buffer), + used, ignore_cliprects, allow_unlock); + } + + + /* + * Kernel fencing. The flags tells the kernel that we've + * programmed an MI_FLUSH. + */ + + fenceFlags = DRM_I915_FENCE_FLAG_FLUSHED; + fo = driFenceBuffers(batch->intel->driFd, + "Batch fence", fenceFlags); + + /* + * User space fencing. + */ + + driBOFence(batch->buffer, fo); + + if (driFenceType(fo) == DRM_FENCE_TYPE_EXE) { + + /* + * Oops. We only validated a batch buffer. This means we + * didn't do any proper rendering. Discard this fence object. + */ + + driFenceUnReference(fo); + } else { + driFenceUnReference(batch->last_fence); + batch->last_fence = fo; + for (i = 0; i < batch->nr_relocs; i++) { + struct buffer_reloc *r = &batch->reloc[i]; + driBOFence(r->buf, fo); + } + } + + if (intel->numClipRects == 0 && !ignore_cliprects) { + if (allow_unlock) { + UNLOCK_HARDWARE(intel); + sched_yield(); + LOCK_HARDWARE(intel); + } +// intel->vtbl.lost_hardware(intel); + } +} + + +struct _DriFenceObject * +intel_batchbuffer_flush(struct intel_batchbuffer *batch) +{ + struct intel_context *intel = batch->intel; + GLuint used = batch->ptr - batch->map; + GLboolean was_locked = intel->locked; + + if (used == 0) + return batch->last_fence; + +#define MI_FLUSH ((0<<29)|(4<<23)) + + /* Add the MI_BATCH_BUFFER_END. Always add an MI_FLUSH - this is a + * performance drain that we would like to avoid. + */ + if (used & 4) { + ((int *) batch->ptr)[0] = MI_FLUSH; + ((int *) batch->ptr)[1] = 0; + ((int *) batch->ptr)[2] = MI_BATCH_BUFFER_END; + used += 12; + } + else { + ((int *) batch->ptr)[0] = MI_FLUSH; + ((int *) batch->ptr)[1] = MI_BATCH_BUFFER_END; + used += 8; + } + + driBOUnmap(batch->buffer); + batch->ptr = NULL; + batch->map = NULL; + + /* TODO: Just pass the relocation list and dma buffer up to the + * kernel. + */ + if (!was_locked) + LOCK_HARDWARE(intel); + + do_flush_locked(batch, used, !(batch->flags & INTEL_BATCH_CLIPRECTS), + GL_FALSE); + + if (!was_locked) + UNLOCK_HARDWARE(intel); + + /* Reset the buffer: + */ + intel_batchbuffer_reset(batch); + return batch->last_fence; +} + +void +intel_batchbuffer_finish(struct intel_batchbuffer *batch) +{ + struct _DriFenceObject *fence = intel_batchbuffer_flush(batch); + driFenceReference(fence); + driFenceFinish(fence, 3, GL_FALSE); + driFenceUnReference(fence); +} + + +/* This is the only way buffers get added to the validate list. + */ +GLboolean +intel_batchbuffer_emit_reloc(struct intel_batchbuffer *batch, + struct _DriBufferObject *buffer, + GLuint flags, GLuint mask, GLuint delta) +{ + assert(batch->nr_relocs < MAX_RELOCS); + + driBOAddListItem(&batch->list, buffer, flags, mask); + + { + struct buffer_reloc *r = &batch->reloc[batch->nr_relocs++]; + driBOReference(buffer); + r->buf = buffer; + r->offset = batch->ptr - batch->map; + r->delta = delta; + } + + batch->ptr += 4; + return GL_TRUE; +} + + + +void +intel_batchbuffer_data(struct intel_batchbuffer *batch, + const void *data, GLuint bytes, GLuint flags) +{ + assert((bytes & 3) == 0); + intel_batchbuffer_require_space(batch, bytes, flags); + __memcpy(batch->ptr, data, bytes); + batch->ptr += bytes; +} diff --git a/src/mesa/drivers/dri/i915pipe/intel_batchbuffer.h b/src/mesa/drivers/dri/i915pipe/intel_batchbuffer.h new file mode 100644 index 0000000000..212f130101 --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_batchbuffer.h @@ -0,0 +1,124 @@ +#ifndef INTEL_BATCHBUFFER_H +#define INTEL_BATCHBUFFER_H + +#include "mtypes.h" +#include "dri_bufmgr.h" + +struct intel_context; + +#define BATCH_SZ 16384 +#define BATCH_RESERVED 16 + +#define MAX_RELOCS 4096 + +#define INTEL_BATCH_NO_CLIPRECTS 0x1 +#define INTEL_BATCH_CLIPRECTS 0x2 + +struct buffer_reloc +{ + struct _DriBufferObject *buf; + GLuint offset; + GLuint delta; /* not needed? */ +}; + +struct intel_batchbuffer +{ + struct bufmgr *bm; + struct intel_context *intel; + + struct _DriBufferObject *buffer; + struct _DriFenceObject *last_fence; + GLuint flags; + + drmBOList list; + GLuint list_count; + GLubyte *map; + GLubyte *ptr; + + struct buffer_reloc reloc[MAX_RELOCS]; + GLuint nr_relocs; + GLuint size; +}; + +struct intel_batchbuffer *intel_batchbuffer_alloc(struct intel_context + *intel); + +void intel_batchbuffer_free(struct intel_batchbuffer *batch); + + +void intel_batchbuffer_finish(struct intel_batchbuffer *batch); + +struct _DriFenceObject *intel_batchbuffer_flush(struct intel_batchbuffer + *batch); + +void intel_batchbuffer_reset(struct intel_batchbuffer *batch); + + +/* Unlike bmBufferData, this currently requires the buffer be mapped. + * Consider it a convenience function wrapping multple + * intel_buffer_dword() calls. + */ +void intel_batchbuffer_data(struct intel_batchbuffer *batch, + const void *data, GLuint bytes, GLuint flags); + +void intel_batchbuffer_release_space(struct intel_batchbuffer *batch, + GLuint bytes); + +GLboolean intel_batchbuffer_emit_reloc(struct intel_batchbuffer *batch, + struct _DriBufferObject *buffer, + GLuint flags, + GLuint mask, GLuint offset); + +/* Inline functions - might actually be better off with these + * non-inlined. Certainly better off switching all command packets to + * be passed as structs rather than dwords, but that's a little bit of + * work... + */ +static INLINE GLuint +intel_batchbuffer_space(struct intel_batchbuffer *batch) +{ + return (batch->size - BATCH_RESERVED) - (batch->ptr - batch->map); +} + + +static INLINE void +intel_batchbuffer_emit_dword(struct intel_batchbuffer *batch, GLuint dword) +{ + assert(batch->map); + assert(intel_batchbuffer_space(batch) >= 4); + *(GLuint *) (batch->ptr) = dword; + batch->ptr += 4; +} + +static INLINE void +intel_batchbuffer_require_space(struct intel_batchbuffer *batch, + GLuint sz, GLuint flags) +{ + assert(sz < batch->size - 8); + if (intel_batchbuffer_space(batch) < sz || + (batch->flags != 0 && flags != 0 && batch->flags != flags)) + intel_batchbuffer_flush(batch); + + batch->flags |= flags; +} + +/* Here are the crusty old macros, to be removed: + */ +#define BATCH_LOCALS + +#define BEGIN_BATCH(n, flags) do { \ + assert(!intel->prim.flush); \ + intel_batchbuffer_require_space(intel->batch, (n)*4, flags); \ +} while (0) + +#define OUT_BATCH(d) intel_batchbuffer_emit_dword(intel->batch, d) + +#define OUT_RELOC(buf,flags,mask,delta) do { \ + assert((delta) >= 0); \ + intel_batchbuffer_emit_reloc(intel->batch, buf, flags, mask, delta); \ +} while (0) + +#define ADVANCE_BATCH() do { } while(0) + + +#endif diff --git a/src/mesa/drivers/dri/i915pipe/intel_batchpool.c b/src/mesa/drivers/dri/i915pipe/intel_batchpool.c new file mode 100644 index 0000000000..2503b8a62a --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_batchpool.c @@ -0,0 +1,418 @@ +/************************************************************************** + * + * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + * USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * + **************************************************************************/ +/* + * Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com> + */ + +#include <xf86drm.h> +#include <stdlib.h> +#include <errno.h> +#include "imports.h" +#include "glthread.h" +#include "dri_bufpool.h" +#include "dri_bufmgr.h" +#include "intel_screen.h" + +typedef struct +{ + drmMMListHead head; + struct _BPool *parent; + struct _DriFenceObject *fence; + unsigned long start; + int unfenced; + int mapped; +} BBuf; + +typedef struct _BPool +{ + _glthread_Mutex mutex; + unsigned long bufSize; + unsigned poolSize; + unsigned numFree; + unsigned numTot; + unsigned numDelayed; + unsigned checkDelayed; + drmMMListHead free; + drmMMListHead delayed; + drmMMListHead head; + drmBO kernelBO; + void *virtual; + BBuf *bufs; +} BPool; + + +static BPool * +createBPool(int fd, unsigned long bufSize, unsigned numBufs, unsigned flags, + unsigned checkDelayed) +{ + BPool *p = (BPool *) malloc(sizeof(*p)); + BBuf *buf; + int i; + + if (!p) + return NULL; + + p->bufs = (BBuf *) malloc(numBufs * sizeof(*p->bufs)); + if (!p->bufs) { + free(p); + return NULL; + } + + DRMINITLISTHEAD(&p->free); + DRMINITLISTHEAD(&p->head); + DRMINITLISTHEAD(&p->delayed); + + p->numTot = numBufs; + p->numFree = numBufs; + p->bufSize = bufSize; + p->numDelayed = 0; + p->checkDelayed = checkDelayed; + + _glthread_INIT_MUTEX(p->mutex); + + if (drmBOCreate(fd, 0, numBufs * bufSize, 0, NULL, drm_bo_type_dc, + flags, DRM_BO_HINT_DONT_FENCE, &p->kernelBO)) { + free(p->bufs); + free(p); + return NULL; + } + if (drmBOMap(fd, &p->kernelBO, DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE, 0, + &p->virtual)) { + drmBODestroy(fd, &p->kernelBO); + free(p->bufs); + free(p); + return NULL; + } + + /* + * We unmap the buffer so that we can validate it later. Note that this is + * just a synchronizing operation. The buffer will have a virtual mapping + * until it is destroyed. + */ + + drmBOUnmap(fd, &p->kernelBO); + + buf = p->bufs; + for (i = 0; i < numBufs; ++i) { + buf->parent = p; + buf->fence = NULL; + buf->start = i * bufSize; + buf->mapped = 0; + buf->unfenced = 0; + DRMLISTADDTAIL(&buf->head, &p->free); + buf++; + } + + return p; +} + + +static void +pool_checkFree(BPool * p, int wait) +{ + drmMMListHead *list, *prev; + BBuf *buf; + int signaled = 0; + int i; + + list = p->delayed.next; + + if (p->numDelayed > 3) { + for (i = 0; i < p->numDelayed; i += 3) { + list = list->next; + } + } + + prev = list->prev; + for (; list != &p->delayed; list = prev, prev = list->prev) { + + buf = DRMLISTENTRY(BBuf, list, head); + + if (!signaled) { + if (wait) { + driFenceFinish(buf->fence, DRM_FENCE_TYPE_EXE, 1); + signaled = 1; + } + else { + signaled = driFenceSignaled(buf->fence, DRM_FENCE_TYPE_EXE); + } + } + + if (!signaled) + break; + + driFenceUnReference(buf->fence); + buf->fence = NULL; + DRMLISTDEL(list); + p->numDelayed--; + DRMLISTADD(list, &p->free); + p->numFree++; + } +} + +static void * +pool_create(struct _DriBufferPool *pool, + unsigned long size, unsigned flags, unsigned hint, + unsigned alignment) +{ + BPool *p = (BPool *) pool->data; + + drmMMListHead *item; + + if (alignment && (alignment != 4096)) + return NULL; + + _glthread_LOCK_MUTEX(p->mutex); + + if (p->numFree == 0) + pool_checkFree(p, GL_TRUE); + + if (p->numFree == 0) { + fprintf(stderr, "Out of fixed size buffer objects\n"); + BM_CKFATAL(-ENOMEM); + } + + item = p->free.next; + + if (item == &p->free) { + fprintf(stderr, "Fixed size buffer pool corruption\n"); + } + + DRMLISTDEL(item); + --p->numFree; + + _glthread_UNLOCK_MUTEX(p->mutex); + return (void *) DRMLISTENTRY(BBuf, item, head); +} + + +static int +pool_destroy(struct _DriBufferPool *pool, void *private) +{ + BBuf *buf = (BBuf *) private; + BPool *p = buf->parent; + + _glthread_LOCK_MUTEX(p->mutex); + + if (buf->fence) { + DRMLISTADDTAIL(&buf->head, &p->delayed); + p->numDelayed++; + } + else { + buf->unfenced = 0; + DRMLISTADD(&buf->head, &p->free); + p->numFree++; + } + + if ((p->numDelayed % p->checkDelayed) == 0) + pool_checkFree(p, 0); + + _glthread_UNLOCK_MUTEX(p->mutex); + return 0; +} + + +static int +pool_map(struct _DriBufferPool *pool, void *private, unsigned flags, + int hint, void **virtual) +{ + + BBuf *buf = (BBuf *) private; + BPool *p = buf->parent; + + _glthread_LOCK_MUTEX(p->mutex); + + /* + * Currently Mesa doesn't have any condition variables to resolve this + * cleanly in a multithreading environment. + * We bail out instead. + */ + + if (buf->mapped) { + fprintf(stderr, "Trying to map already mapped buffer object\n"); + BM_CKFATAL(-EINVAL); + } + +#if 0 + if (buf->unfenced && !(hint & DRM_BO_HINT_ALLOW_UNFENCED_MAP)) { + fprintf(stderr, "Trying to map an unfenced buffer object 0x%08x" + " 0x%08x %d\n", hint, flags, buf->start); + BM_CKFATAL(-EINVAL); + } + +#endif + + if (buf->fence) { + _glthread_UNLOCK_MUTEX(p->mutex); + return -EBUSY; + } + + buf->mapped = GL_TRUE; + *virtual = (unsigned char *) p->virtual + buf->start; + _glthread_UNLOCK_MUTEX(p->mutex); + return 0; +} + +static int +pool_waitIdle(struct _DriBufferPool *pool, void *private, int lazy) +{ + BBuf *buf = (BBuf *) private; + driFenceFinish(buf->fence, 0, lazy); + return 0; +} + +static int +pool_unmap(struct _DriBufferPool *pool, void *private) +{ + BBuf *buf = (BBuf *) private; + + buf->mapped = 0; + return 0; +} + +static unsigned long +pool_offset(struct _DriBufferPool *pool, void *private) +{ + BBuf *buf = (BBuf *) private; + BPool *p = buf->parent; + + return p->kernelBO.offset + buf->start; +} + +static unsigned +pool_flags(struct _DriBufferPool *pool, void *private) +{ + BPool *p = (BPool *) pool->data; + + return p->kernelBO.flags; +} + +static unsigned long +pool_size(struct _DriBufferPool *pool, void *private) +{ + BPool *p = (BPool *) pool->data; + + return p->bufSize; +} + + +static int +pool_fence(struct _DriBufferPool *pool, void *private, + struct _DriFenceObject *fence) +{ + BBuf *buf = (BBuf *) private; + BPool *p = buf->parent; + + _glthread_LOCK_MUTEX(p->mutex); + if (buf->fence) { + driFenceUnReference(buf->fence); + } + buf->fence = fence; + buf->unfenced = 0; + driFenceReference(buf->fence); + _glthread_UNLOCK_MUTEX(p->mutex); + + return 0; +} + +static drmBO * +pool_kernel(struct _DriBufferPool *pool, void *private) +{ + BBuf *buf = (BBuf *) private; + BPool *p = buf->parent; + + return &p->kernelBO; +} + +static int +pool_validate(struct _DriBufferPool *pool, void *private) +{ + BBuf *buf = (BBuf *) private; + BPool *p = buf->parent; + _glthread_LOCK_MUTEX(p->mutex); + buf->unfenced = GL_TRUE; + _glthread_UNLOCK_MUTEX(p->mutex); + return 0; +} + +static void +pool_takedown(struct _DriBufferPool *pool) +{ + BPool *p = (BPool *) pool->data; + + /* + * Wait on outstanding fences. + */ + + _glthread_LOCK_MUTEX(p->mutex); + while ((p->numFree < p->numTot) && p->numDelayed) { + _glthread_UNLOCK_MUTEX(p->mutex); + sched_yield(); + pool_checkFree(p, GL_TRUE); + _glthread_LOCK_MUTEX(p->mutex); + } + + drmBODestroy(pool->fd, &p->kernelBO); + free(p->bufs); + _glthread_UNLOCK_MUTEX(p->mutex); + free(p); + free(pool); +} + + +struct _DriBufferPool * +driBatchPoolInit(int fd, unsigned flags, + unsigned long bufSize, + unsigned numBufs, unsigned checkDelayed) +{ + struct _DriBufferPool *pool; + + pool = (struct _DriBufferPool *) malloc(sizeof(*pool)); + if (!pool) + return NULL; + + pool->data = createBPool(fd, bufSize, numBufs, flags, checkDelayed); + if (!pool->data) + return NULL; + + pool->fd = fd; + pool->map = &pool_map; + pool->unmap = &pool_unmap; + pool->destroy = &pool_destroy; + pool->offset = &pool_offset; + pool->flags = &pool_flags; + pool->size = &pool_size; + pool->create = &pool_create; + pool->fence = &pool_fence; + pool->kernel = &pool_kernel; + pool->validate = &pool_validate; + pool->waitIdle = &pool_waitIdle; + pool->setstatic = NULL; + pool->takeDown = &pool_takedown; + return pool; +} diff --git a/src/mesa/drivers/dri/i915pipe/intel_blit.c b/src/mesa/drivers/dri/i915pipe/intel_blit.c new file mode 100644 index 0000000000..28441f4b83 --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_blit.c @@ -0,0 +1,527 @@ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +#include <stdio.h> +#include <errno.h> + +#include "mtypes.h" +#include "context.h" +#include "enums.h" + +#include "intel_batchbuffer.h" +#include "intel_blit.h" +#include "intel_buffers.h" +#include "intel_context.h" +#include "intel_fbo.h" +#include "intel_reg.h" +#include "intel_regions.h" +#include "vblank.h" + +#define FILE_DEBUG_FLAG DEBUG_BLIT + +/** + * Copy the back color buffer to the front color buffer. + * Used for SwapBuffers(). + */ +void +intelCopyBuffer(__DRIdrawablePrivate * dPriv, + const drm_clip_rect_t * rect) +{ + + struct intel_context *intel; + const intelScreenPrivate *intelScreen; + + DBG("%s\n", __FUNCTION__); + + assert(dPriv); + + intel = intelScreenContext(dPriv->driScreenPriv->private); + if (!intel) + return; + + intelScreen = intel->intelScreen; + + if (intel->last_swap_fence) { + driFenceFinish(intel->last_swap_fence, DRM_FENCE_TYPE_EXE, GL_TRUE); + driFenceUnReference(intel->last_swap_fence); + intel->last_swap_fence = NULL; + } + intel->last_swap_fence = intel->first_swap_fence; + intel->first_swap_fence = NULL; + + /* The LOCK_HARDWARE is required for the cliprects. Buffer offsets + * should work regardless. + */ + LOCK_HARDWARE(intel); + /* if this drawable isn't currently bound the LOCK_HARDWARE done on the + current context (which is what intelScreenContext should return) might + not get a contended lock and thus cliprects not updated (tests/manywin) */ + if ((struct intel_context *)dPriv->driContextPriv->driverPrivate != intel) + DRI_VALIDATE_DRAWABLE_INFO(intel->driScreen, dPriv); + + + if (dPriv && dPriv->numClipRects) { + struct intel_framebuffer *intel_fb = dPriv->driverPrivate; + const struct intel_region *frontRegion + = intelScreen->front_region; + const struct intel_region *backRegion + = intel_fb->Base._ColorDrawBufferMask[0] == BUFFER_BIT_FRONT_LEFT ? + intel_get_rb_region(&intel_fb->Base, BUFFER_FRONT_LEFT) : + intel_get_rb_region(&intel_fb->Base, BUFFER_BACK_LEFT); + const int backWidth = intel_fb->Base.Width; + const int backHeight = intel_fb->Base.Height; + const int nbox = dPriv->numClipRects; + const drm_clip_rect_t *pbox = dPriv->pClipRects; + const int pitch = frontRegion->pitch; + const int srcpitch = backRegion->pitch; + const int cpp = frontRegion->cpp; + int BR13, CMD; + int i; + + ASSERT(intel_fb); + ASSERT(intel_fb->Base.Name == 0); /* Not a user-created FBO */ + ASSERT(frontRegion); + ASSERT(backRegion); + ASSERT(frontRegion->cpp == backRegion->cpp); + + DBG("front pitch %d back pitch %d\n", + frontRegion->pitch, backRegion->pitch); + + if (cpp == 2) { + BR13 = (pitch * cpp) | (0xCC << 16) | (1 << 24); + CMD = XY_SRC_COPY_BLT_CMD; + } + else { + BR13 = (pitch * cpp) | (0xCC << 16) | (1 << 24) | (1 << 25); + CMD = (XY_SRC_COPY_BLT_CMD | XY_SRC_COPY_BLT_WRITE_ALPHA | + XY_SRC_COPY_BLT_WRITE_RGB); + } + + for (i = 0; i < nbox; i++, pbox++) { + drm_clip_rect_t box; + drm_clip_rect_t sbox; + + if (pbox->x1 > pbox->x2 || + pbox->y1 > pbox->y2 || + pbox->x2 > intelScreen->width || pbox->y2 > intelScreen->height) + continue; + + box = *pbox; + + if (rect) { + drm_clip_rect_t rrect; + + rrect.x1 = dPriv->x + rect->x1; + rrect.y1 = (dPriv->h - rect->y1 - rect->y2) + dPriv->y; + rrect.x2 = rect->x2 + rrect.x1; + rrect.y2 = rect->y2 + rrect.y1; + if (rrect.x1 > box.x1) + box.x1 = rrect.x1; + if (rrect.y1 > box.y1) + box.y1 = rrect.y1; + if (rrect.x2 < box.x2) + box.x2 = rrect.x2; + if (rrect.y2 < box.y2) + box.y2 = rrect.y2; + + if (box.x1 > box.x2 || box.y1 > box.y2) + continue; + } + + /* restrict blit to size of actually rendered area */ + if (box.x2 - box.x1 > backWidth) + box.x2 = backWidth + box.x1; + if (box.y2 - box.y1 > backHeight) + box.y2 = backHeight + box.y1; + + DBG("box x1 x2 y1 y2 %d %d %d %d\n", + box.x1, box.x2, box.y1, box.y2); + + sbox.x1 = box.x1 - dPriv->x; + sbox.y1 = box.y1 - dPriv->y; + + BEGIN_BATCH(8, INTEL_BATCH_NO_CLIPRECTS); + OUT_BATCH(CMD); + OUT_BATCH(BR13); + OUT_BATCH((box.y1 << 16) | box.x1); + OUT_BATCH((box.y2 << 16) | box.x2); + + OUT_RELOC(frontRegion->buffer, DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_WRITE, + DRM_BO_MASK_MEM | DRM_BO_FLAG_WRITE, 0); + OUT_BATCH((sbox.y1 << 16) | sbox.x1); + OUT_BATCH((srcpitch * cpp) & 0xffff); + OUT_RELOC(backRegion->buffer, DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_READ, + DRM_BO_MASK_MEM | DRM_BO_FLAG_READ, 0); + + ADVANCE_BATCH(); + } + + if (intel->first_swap_fence) + driFenceUnReference(intel->first_swap_fence); + intel->first_swap_fence = intel_batchbuffer_flush(intel->batch); + driFenceReference(intel->first_swap_fence); + } + + UNLOCK_HARDWARE(intel); + + /* XXX this is bogus. The context here may not even be bound to this drawable! */ + if (intel->lastStamp != dPriv->lastStamp) { + GET_CURRENT_CONTEXT(currctx); + struct intel_context *intelcurrent = intel_context(currctx); + if (intelcurrent == intel && intelcurrent->driDrawable == dPriv) { + intelWindowMoved(intel); + intel->lastStamp = dPriv->lastStamp; + } + } + +} + + + + +void +intelEmitFillBlit(struct intel_context *intel, + GLuint cpp, + GLshort dst_pitch, + struct _DriBufferObject *dst_buffer, + GLuint dst_offset, + GLshort x, GLshort y, GLshort w, GLshort h, GLuint color) +{ + GLuint BR13, CMD; + BATCH_LOCALS; + + dst_pitch *= cpp; + + switch (cpp) { + case 1: + case 2: + case 3: + BR13 = dst_pitch | (0xF0 << 16) | (1 << 24); + CMD = XY_COLOR_BLT_CMD; + break; + case 4: + BR13 = dst_pitch | (0xF0 << 16) | (1 << 24) | (1 << 25); + CMD = (XY_COLOR_BLT_CMD | XY_COLOR_BLT_WRITE_ALPHA | + XY_COLOR_BLT_WRITE_RGB); + break; + default: + return; + } + + DBG("%s dst:buf(%p)/%d+%d %d,%d sz:%dx%d\n", + __FUNCTION__, dst_buffer, dst_pitch, dst_offset, x, y, w, h); + + + BEGIN_BATCH(6, INTEL_BATCH_NO_CLIPRECTS); + OUT_BATCH(CMD); + OUT_BATCH(BR13); + OUT_BATCH((y << 16) | x); + OUT_BATCH(((y + h) << 16) | (x + w)); + OUT_RELOC(dst_buffer, DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_WRITE, + DRM_BO_MASK_MEM | DRM_BO_FLAG_WRITE, dst_offset); + OUT_BATCH(color); + ADVANCE_BATCH(); +} + + +static GLuint translate_raster_op(GLenum logicop) +{ + switch(logicop) { + case GL_CLEAR: return 0x00; + case GL_AND: return 0x88; + case GL_AND_REVERSE: return 0x44; + case GL_COPY: return 0xCC; + case GL_AND_INVERTED: return 0x22; + case GL_NOOP: return 0xAA; + case GL_XOR: return 0x66; + case GL_OR: return 0xEE; + case GL_NOR: return 0x11; + case GL_EQUIV: return 0x99; + case GL_INVERT: return 0x55; + case GL_OR_REVERSE: return 0xDD; + case GL_COPY_INVERTED: return 0x33; + case GL_OR_INVERTED: return 0xBB; + case GL_NAND: return 0x77; + case GL_SET: return 0xFF; + default: return 0; + } +} + + +/* Copy BitBlt + */ +void +intelEmitCopyBlit(struct intel_context *intel, + GLuint cpp, + GLshort src_pitch, + struct _DriBufferObject *src_buffer, + GLuint src_offset, + GLshort dst_pitch, + struct _DriBufferObject *dst_buffer, + GLuint dst_offset, + GLshort src_x, GLshort src_y, + GLshort dst_x, GLshort dst_y, + GLshort w, GLshort h, + GLenum logic_op) +{ + GLuint CMD, BR13; + int dst_y2 = dst_y + h; + int dst_x2 = dst_x + w; + BATCH_LOCALS; + + + DBG("%s src:buf(%p)/%d+%d %d,%d dst:buf(%p)/%d+%d %d,%d sz:%dx%d\n", + __FUNCTION__, + src_buffer, src_pitch, src_offset, src_x, src_y, + dst_buffer, dst_pitch, dst_offset, dst_x, dst_y, w, h); + + src_pitch *= cpp; + dst_pitch *= cpp; + + switch (cpp) { + case 1: + case 2: + case 3: + BR13 = (((GLint) dst_pitch) & 0xffff) | + (translate_raster_op(logic_op) << 16) | (1 << 24); + CMD = XY_SRC_COPY_BLT_CMD; + break; + case 4: + BR13 = + (((GLint) dst_pitch) & 0xffff) | + (translate_raster_op(logic_op) << 16) | (1 << 24) | (1 << 25); + CMD = + (XY_SRC_COPY_BLT_CMD | XY_SRC_COPY_BLT_WRITE_ALPHA | + XY_SRC_COPY_BLT_WRITE_RGB); + break; + default: + return; + } + + if (dst_y2 < dst_y || dst_x2 < dst_x) { + return; + } + + /* Initial y values don't seem to work with negative pitches. If + * we adjust the offsets manually (below), it seems to work fine. + * + * On the other hand, if we always adjust, the hardware doesn't + * know which blit directions to use, so overlapping copypixels get + * the wrong result. + */ + if (dst_pitch > 0 && src_pitch > 0) { + BEGIN_BATCH(8, INTEL_BATCH_NO_CLIPRECTS); + OUT_BATCH(CMD); + OUT_BATCH(BR13); + OUT_BATCH((dst_y << 16) | dst_x); + OUT_BATCH((dst_y2 << 16) | dst_x2); + OUT_RELOC(dst_buffer, DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_WRITE, + DRM_BO_MASK_MEM | DRM_BO_FLAG_WRITE, dst_offset); + OUT_BATCH((src_y << 16) | src_x); + OUT_BATCH(((GLint) src_pitch & 0xffff)); + OUT_RELOC(src_buffer, DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_READ, + DRM_BO_MASK_MEM | DRM_BO_FLAG_READ, src_offset); + ADVANCE_BATCH(); + } + else { + BEGIN_BATCH(8, INTEL_BATCH_NO_CLIPRECTS); + OUT_BATCH(CMD); + OUT_BATCH(BR13); + OUT_BATCH((0 << 16) | dst_x); + OUT_BATCH((h << 16) | dst_x2); + OUT_RELOC(dst_buffer, DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_WRITE, + DRM_BO_MASK_MEM | DRM_BO_FLAG_WRITE, + dst_offset + dst_y * dst_pitch); + OUT_BATCH((0 << 16) | src_x); + OUT_BATCH(((GLint) src_pitch & 0xffff)); + OUT_RELOC(src_buffer, DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_READ, + DRM_BO_MASK_MEM | DRM_BO_FLAG_READ, + src_offset + src_y * src_pitch); + ADVANCE_BATCH(); + } +} + + +/** + * Use blitting to clear the renderbuffers named by 'flags'. + * Note: we can't use the ctx->DrawBuffer->_ColorDrawBufferMask field + * since that might include software renderbuffers or renderbuffers + * which we're clearing with triangles. + * \param mask bitmask of BUFFER_BIT_* values indicating buffers to clear + */ +void +intelClearWithBlit(GLcontext * ctx, GLbitfield mask) +{ + struct intel_context *intel = intel_context(ctx); + struct gl_framebuffer *fb = ctx->DrawBuffer; + GLuint clear_depth; + GLbitfield skipBuffers = 0; + BATCH_LOCALS; + + DBG("%s %x\n", __FUNCTION__, mask); + + /* + * Compute values for clearing the buffers. + */ + clear_depth = 0; + if (mask & BUFFER_BIT_DEPTH) { + clear_depth = (GLuint) (fb->_DepthMax * ctx->Depth.Clear); + } + if (mask & BUFFER_BIT_STENCIL) { + clear_depth |= (ctx->Stencil.Clear & 0xff) << 24; + } + + /* If clearing both depth and stencil, skip BUFFER_BIT_STENCIL in + * the loop below. + */ + if ((mask & BUFFER_BIT_DEPTH) && (mask & BUFFER_BIT_STENCIL)) { + skipBuffers = BUFFER_BIT_STENCIL; + } + + /* XXX Move this flush/lock into the following conditional? */ + intelFlush(&intel->ctx); + LOCK_HARDWARE(intel); + + if (intel->numClipRects) { + GLint cx, cy, cw, ch; + drm_clip_rect_t b; + + /* Get clear bounds after locking */ + cx = fb->_Xmin; + cy = fb->_Ymin; + cw = fb->_Xmax - cx; + ch = fb->_Ymax - cy; + + if (fb->Name == 0) { + /* clearing a window */ + /* flip top to bottom */ + b.x1 = cx; + b.y1 = fb->Height - cy - ch; + b.x2 = b.x1 + cw; + b.y2 = b.y1 + ch; + } + else { + /* clearing FBO */ + b.x1 = cx; + b.y1 = cy; + b.x2 = b.x1 + cw; + b.y2 = b.y1 + ch; + /* no change to mask */ + } + + { + GLuint buf; + GLuint clearMask = mask; /* use copy, since we modify it below */ + GLboolean all = (cw == fb->Width && ch == fb->Height); + + DBG("clear %d,%d..%d,%d, mask %x\n", + b.x1, b.y1, b.x2, b.y2, mask); + + /* Loop over all renderbuffers */ + for (buf = 0; buf < BUFFER_COUNT && clearMask; buf++) { + const GLbitfield bufBit = 1 << buf; + if ((clearMask & bufBit) && !(bufBit & skipBuffers)) { + /* OK, clear this renderbuffer */ + struct intel_region *irb_region = + intel_get_rb_region(fb, buf); + struct _DriBufferObject *write_buffer = + intel_region_buffer(intel->intelScreen, irb_region, + all ? INTEL_WRITE_FULL : + INTEL_WRITE_PART); + + GLuint clearVal; + GLint pitch, cpp; + GLuint BR13, CMD; + + ASSERT(irb_region); + + pitch = irb_region->pitch; + cpp = irb_region->cpp; + + DBG("%s dst:buf(%p)/%d+%d %d,%d sz:%dx%d\n", + __FUNCTION__, + irb_region->buffer, (pitch * cpp), + irb_region->draw_offset, + b.x1, b.y1, b.x2 - b.x1, b.y2 - b.y1); + + + /* Setup the blit command */ + if (cpp == 4) { + BR13 = (0xF0 << 16) | (pitch * cpp) | (1 << 24) | (1 << 25); + if (buf == BUFFER_DEPTH || buf == BUFFER_STENCIL) { + CMD = XY_COLOR_BLT_CMD; + if (clearMask & BUFFER_BIT_DEPTH) + CMD |= XY_COLOR_BLT_WRITE_RGB; + if (clearMask & BUFFER_BIT_STENCIL) + CMD |= XY_COLOR_BLT_WRITE_ALPHA; + } + else { + /* clearing RGBA */ + CMD = (XY_COLOR_BLT_CMD | + XY_COLOR_BLT_WRITE_ALPHA | + XY_COLOR_BLT_WRITE_RGB); + } + } + else { + ASSERT(cpp == 2 || cpp == 0); + BR13 = (0xF0 << 16) | (pitch * cpp) | (1 << 24); + CMD = XY_COLOR_BLT_CMD; + } + + if (buf == BUFFER_DEPTH || buf == BUFFER_STENCIL) { + clearVal = clear_depth; + } + else { + clearVal = (cpp == 4) + ? intel->ClearColor8888 : intel->ClearColor565; + } + /* + _mesa_debug(ctx, "hardware blit clear buf %d rb id %d\n", + buf, irb->Base.Name); + */ + intel_wait_flips(intel, INTEL_BATCH_NO_CLIPRECTS); + + BEGIN_BATCH(6, INTEL_BATCH_NO_CLIPRECTS); + OUT_BATCH(CMD); + OUT_BATCH(BR13); + OUT_BATCH((b.y1 << 16) | b.x1); + OUT_BATCH((b.y2 << 16) | b.x2); + OUT_RELOC(write_buffer, DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_WRITE, + DRM_BO_MASK_MEM | DRM_BO_FLAG_WRITE, + irb_region->draw_offset); + OUT_BATCH(clearVal); + ADVANCE_BATCH(); + clearMask &= ~bufBit; /* turn off bit, for faster loop exit */ + } + } + } + intel_batchbuffer_flush(intel->batch); + } + + UNLOCK_HARDWARE(intel); +} diff --git a/src/mesa/drivers/dri/i915pipe/intel_blit.h b/src/mesa/drivers/dri/i915pipe/intel_blit.h new file mode 100644 index 0000000000..77686444fa --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_blit.h @@ -0,0 +1,62 @@ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef INTEL_BLIT_H +#define INTEL_BLIT_H + +#include "intel_context.h" +#include "intel_ioctl.h" +#include "dri_bufmgr.h" + +extern void intelCopyBuffer(__DRIdrawablePrivate * dpriv, + const drm_clip_rect_t * rect); + +extern void intelClearWithBlit(GLcontext * ctx, GLbitfield mask); + +extern void intelEmitCopyBlit(struct intel_context *intel, + GLuint cpp, + GLshort src_pitch, + struct _DriBufferObject *src_buffer, + GLuint src_offset, + GLshort dst_pitch, + struct _DriBufferObject *dst_buffer, + GLuint dst_offset, + GLshort srcx, GLshort srcy, + GLshort dstx, GLshort dsty, + GLshort w, GLshort h, + GLenum logicop ); + +extern void intelEmitFillBlit(struct intel_context *intel, + GLuint cpp, + GLshort dst_pitch, + struct _DriBufferObject *dst_buffer, + GLuint dst_offset, + GLshort x, GLshort y, + GLshort w, GLshort h, GLuint color); + + +#endif diff --git a/src/mesa/drivers/dri/i915pipe/intel_buffer_objects.c b/src/mesa/drivers/dri/i915pipe/intel_buffer_objects.c new file mode 100644 index 0000000000..91c45ad95b --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_buffer_objects.c @@ -0,0 +1,257 @@ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +#include "imports.h" +#include "mtypes.h" +#include "bufferobj.h" + +#include "intel_context.h" +#include "intel_buffer_objects.h" +#include "intel_regions.h" +#include "dri_bufmgr.h" + +/** + * There is some duplication between mesa's bufferobjects and our + * bufmgr buffers. Both have an integer handle and a hashtable to + * lookup an opaque structure. It would be nice if the handles and + * internal structure where somehow shared. + */ +static struct gl_buffer_object * +intel_bufferobj_alloc(GLcontext * ctx, GLuint name, GLenum target) +{ + struct intel_context *intel = intel_context(ctx); + struct intel_buffer_object *obj = CALLOC_STRUCT(intel_buffer_object); + + _mesa_initialize_buffer_object(&obj->Base, name, target); + + driGenBuffers(intel->intelScreen->regionPool, + "bufferobj", 1, &obj->buffer, 64, + DRM_BO_FLAG_MEM_LOCAL | + DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE, + 0); + + return &obj->Base; +} + + +/* Break the COW tie to the region. The region gets to keep the data. + */ +void +intel_bufferobj_release_region(struct intel_context *intel, + struct intel_buffer_object *intel_obj) +{ + assert(intel_obj->region->buffer == intel_obj->buffer); + intel_obj->region->pbo = NULL; + intel_obj->region = NULL; + driBOUnReference(intel_obj->buffer); + intel_obj->buffer = NULL; + + /* This leads to a large number of buffer deletion/creation events. + * Currently the drm doesn't like that: + */ + driGenBuffers(intel->intelScreen->regionPool, + "buffer object", 1, &intel_obj->buffer, 64, 0, 0); + LOCK_HARDWARE(intel); + driBOData(intel_obj->buffer, intel_obj->Base.Size, NULL, 0); + UNLOCK_HARDWARE(intel); +} + +/* Break the COW tie to the region. Both the pbo and the region end + * up with a copy of the data. + */ +void +intel_bufferobj_cow(struct intel_context *intel, + struct intel_buffer_object *intel_obj) +{ + assert(intel_obj->region); + intel_region_cow(intel->intelScreen, intel_obj->region); +} + + +/** + * Deallocate/free a vertex/pixel buffer object. + * Called via glDeleteBuffersARB(). + */ +static void +intel_bufferobj_free(GLcontext * ctx, struct gl_buffer_object *obj) +{ + struct intel_context *intel = intel_context(ctx); + struct intel_buffer_object *intel_obj = intel_buffer_object(obj); + + assert(intel_obj); + + if (intel_obj->region) { + intel_bufferobj_release_region(intel, intel_obj); + } + else if (intel_obj->buffer) { + driDeleteBuffers(1, &intel_obj->buffer); + } + + _mesa_free(intel_obj); +} + + + +/** + * Allocate space for and store data in a buffer object. Any data that was + * previously stored in the buffer object is lost. If data is NULL, + * memory will be allocated, but no copy will occur. + * Called via glBufferDataARB(). + */ +static void +intel_bufferobj_data(GLcontext * ctx, + GLenum target, + GLsizeiptrARB size, + const GLvoid * data, + GLenum usage, struct gl_buffer_object *obj) +{ + struct intel_context *intel = intel_context(ctx); + struct intel_buffer_object *intel_obj = intel_buffer_object(obj); + + intel_obj->Base.Size = size; + intel_obj->Base.Usage = usage; + + if (intel_obj->region) + intel_bufferobj_release_region(intel, intel_obj); + + LOCK_HARDWARE(intel); + driBOData(intel_obj->buffer, size, data, 0); + UNLOCK_HARDWARE(intel); +} + + +/** + * Replace data in a subrange of buffer object. If the data range + * specified by size + offset extends beyond the end of the buffer or + * if data is NULL, no copy is performed. + * Called via glBufferSubDataARB(). + */ +static void +intel_bufferobj_subdata(GLcontext * ctx, + GLenum target, + GLintptrARB offset, + GLsizeiptrARB size, + const GLvoid * data, struct gl_buffer_object *obj) +{ + struct intel_context *intel = intel_context(ctx); + struct intel_buffer_object *intel_obj = intel_buffer_object(obj); + + assert(intel_obj); + + if (intel_obj->region) + intel_bufferobj_cow(intel, intel_obj); + + driBOSubData(intel_obj->buffer, offset, size, data); +} + + +/** + * Called via glGetBufferSubDataARB(). + */ +static void +intel_bufferobj_get_subdata(GLcontext * ctx, + GLenum target, + GLintptrARB offset, + GLsizeiptrARB size, + GLvoid * data, struct gl_buffer_object *obj) +{ + struct intel_buffer_object *intel_obj = intel_buffer_object(obj); + + assert(intel_obj); + driBOGetSubData(intel_obj->buffer, offset, size, data); +} + + + +/** + * Called via glMapBufferARB(). + */ +static void * +intel_bufferobj_map(GLcontext * ctx, + GLenum target, + GLenum access, struct gl_buffer_object *obj) +{ + struct intel_context *intel = intel_context(ctx); + struct intel_buffer_object *intel_obj = intel_buffer_object(obj); + + /* XXX: Translate access to flags arg below: + */ + assert(intel_obj); + + if (intel_obj->region) + intel_bufferobj_cow(intel, intel_obj); + + obj->Pointer = driBOMap(intel_obj->buffer, + DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE, 0); + return obj->Pointer; +} + + +/** + * Called via glMapBufferARB(). + */ +static GLboolean +intel_bufferobj_unmap(GLcontext * ctx, + GLenum target, struct gl_buffer_object *obj) +{ + struct intel_buffer_object *intel_obj = intel_buffer_object(obj); + + assert(intel_obj); + assert(obj->Pointer); + driBOUnmap(intel_obj->buffer); + obj->Pointer = NULL; + return GL_TRUE; +} + +struct _DriBufferObject * +intel_bufferobj_buffer(struct intel_context *intel, + struct intel_buffer_object *intel_obj, GLuint flag) +{ + if (intel_obj->region) { + if (flag == INTEL_WRITE_PART) + intel_bufferobj_cow(intel, intel_obj); + else if (flag == INTEL_WRITE_FULL) + intel_bufferobj_release_region(intel, intel_obj); + } + + return intel_obj->buffer; +} + +void +intel_bufferobj_init(struct intel_context *intel) +{ + GLcontext *ctx = &intel->ctx; + + ctx->Driver.NewBufferObject = intel_bufferobj_alloc; + ctx->Driver.DeleteBuffer = intel_bufferobj_free; + ctx->Driver.BufferData = intel_bufferobj_data; + ctx->Driver.BufferSubData = intel_bufferobj_subdata; + ctx->Driver.GetBufferSubData = intel_bufferobj_get_subdata; + ctx->Driver.MapBuffer = intel_bufferobj_map; + ctx->Driver.UnmapBuffer = intel_bufferobj_unmap; +} diff --git a/src/mesa/drivers/dri/i915pipe/intel_buffer_objects.h b/src/mesa/drivers/dri/i915pipe/intel_buffer_objects.h new file mode 100644 index 0000000000..afe9b2f7cf --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_buffer_objects.h @@ -0,0 +1,86 @@ + /************************************************************************** + * + * Copyright 2005 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef INTEL_BUFFEROBJ_H +#define INTEL_BUFFEROBJ_H + +#include "mtypes.h" + +struct intel_context; +struct intel_region; +struct gl_buffer_object; + + +/** + * Intel vertex/pixel buffer object, derived from Mesa's gl_buffer_object. + */ +struct intel_buffer_object +{ + struct gl_buffer_object Base; + struct _DriBufferObject *buffer; /* the low-level buffer manager's buffer handle */ + + struct intel_region *region; /* Is there a zero-copy texture + associated with this (pixel) + buffer object? */ +}; + + +/* Get the bm buffer associated with a GL bufferobject: + */ +struct _DriBufferObject *intel_bufferobj_buffer(struct intel_context *intel, + struct intel_buffer_object + *obj, GLuint flag); + +/* Hook the bufferobject implementation into mesa: + */ +void intel_bufferobj_init(struct intel_context *intel); + + + +/* Are the obj->Name tests necessary? Unfortunately yes, mesa + * allocates a couple of gl_buffer_object structs statically, and + * the Name == 0 test is the only way to identify them and avoid + * casting them erroneously to our structs. + */ +static INLINE struct intel_buffer_object * +intel_buffer_object(struct gl_buffer_object *obj) +{ + if (obj->Name) + return (struct intel_buffer_object *) obj; + else + return NULL; +} + +/* Helpers for zerocopy image uploads. See also intel_regions.h: + */ +void intel_bufferobj_cow(struct intel_context *intel, + struct intel_buffer_object *intel_obj); +void intel_bufferobj_release_region(struct intel_context *intel, + struct intel_buffer_object *intel_obj); + + +#endif diff --git a/src/mesa/drivers/dri/i915pipe/intel_buffers.c b/src/mesa/drivers/dri/i915pipe/intel_buffers.c new file mode 100644 index 0000000000..7684e36e3b --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_buffers.c @@ -0,0 +1,792 @@ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#include "intel_screen.h" +#include "intel_context.h" +#include "intel_blit.h" +#include "intel_buffers.h" +#include "intel_depthstencil.h" +#include "intel_fbo.h" +#include "intel_tris.h" +#include "intel_regions.h" +#include "intel_batchbuffer.h" +#include "intel_reg.h" +#include "context.h" +#include "utils.h" +#include "drirenderbuffer.h" +#include "framebuffer.h" +#include "swrast/swrast.h" +#include "vblank.h" + + +/* This block can be removed when libdrm >= 2.3.1 is required */ + +#ifndef DRM_VBLANK_FLIP + +#define DRM_VBLANK_FLIP 0x8000000 + +typedef struct drm_i915_flip { + int pipes; +} drm_i915_flip_t; + +#undef DRM_IOCTL_I915_FLIP +#define DRM_IOCTL_I915_FLIP DRM_IOW(DRM_COMMAND_BASE + DRM_I915_FLIP, \ + drm_i915_flip_t) + +#endif + + +/** + * XXX move this into a new dri/common/cliprects.c file. + */ +GLboolean +intel_intersect_cliprects(drm_clip_rect_t * dst, + const drm_clip_rect_t * a, + const drm_clip_rect_t * b) +{ + GLint bx = b->x1; + GLint by = b->y1; + GLint bw = b->x2 - bx; + GLint bh = b->y2 - by; + + if (bx < a->x1) + bw -= a->x1 - bx, bx = a->x1; + if (by < a->y1) + bh -= a->y1 - by, by = a->y1; + if (bx + bw > a->x2) + bw = a->x2 - bx; + if (by + bh > a->y2) + bh = a->y2 - by; + if (bw <= 0) + return GL_FALSE; + if (bh <= 0) + return GL_FALSE; + + dst->x1 = bx; + dst->y1 = by; + dst->x2 = bx + bw; + dst->y2 = by + bh; + + return GL_TRUE; +} + +/** + * Return pointer to current color drawing region, or NULL. + */ +struct intel_region * +intel_drawbuf_region(struct intel_context *intel) +{ + struct intel_renderbuffer *irbColor = + intel_renderbuffer(intel->ctx.DrawBuffer->_ColorDrawBuffers[0][0]); + if (irbColor) + return irbColor->region; + else + return NULL; +} + +/** + * Return pointer to current color reading region, or NULL. + */ +struct intel_region * +intel_readbuf_region(struct intel_context *intel) +{ + struct intel_renderbuffer *irb + = intel_renderbuffer(intel->ctx.ReadBuffer->_ColorReadBuffer); + if (irb) + return irb->region; + else + return NULL; +} + + + +/** + * Update the following fields for rendering: + * intel->numClipRects + * intel->pClipRects + */ +static void +intelSetRenderbufferClipRects(struct intel_context *intel) +{ + /* zero-sized buffers might be legal? */ + assert(intel->ctx.DrawBuffer->Width > 0); + assert(intel->ctx.DrawBuffer->Height > 0); + intel->fboRect.x1 = 0; + intel->fboRect.y1 = 0; + intel->fboRect.x2 = intel->ctx.DrawBuffer->Width; + intel->fboRect.y2 = intel->ctx.DrawBuffer->Height; + intel->numClipRects = 1; + intel->pClipRects = &intel->fboRect; +} + + +/** + * This will be called whenever the currently bound window is moved/resized. + * XXX: actually, it seems to NOT be called when the window is only moved (BP). + */ +void +intelWindowMoved(struct intel_context *intel) +{ + GLcontext *ctx = &intel->ctx; + __DRIdrawablePrivate *dPriv = intel->driDrawable; + struct intel_framebuffer *intel_fb = dPriv->driverPrivate; + + if (!intel->ctx.DrawBuffer) { + /* when would this happen? -BP */ + assert(0); + intel->numClipRects = 0; + } + + /* Update Mesa's notion of window size */ + driUpdateFramebufferSize(ctx, dPriv); + intel_fb->Base.Initialized = GL_TRUE; /* XXX remove someday */ + + { + drmI830Sarea *sarea = intel->sarea; + drm_clip_rect_t drw_rect = { .x1 = dPriv->x, .x2 = dPriv->x + dPriv->w, + .y1 = dPriv->y, .y2 = dPriv->y + dPriv->h }; + drm_clip_rect_t pipeA_rect = { .x1 = sarea->pipeA_x, .y1 = sarea->pipeA_y, + .x2 = sarea->pipeA_x + sarea->pipeA_w, + .y2 = sarea->pipeA_y + sarea->pipeA_h }; + drm_clip_rect_t pipeB_rect = { .x1 = sarea->pipeB_x, .y1 = sarea->pipeB_y, + .x2 = sarea->pipeB_x + sarea->pipeB_w, + .y2 = sarea->pipeB_y + sarea->pipeB_h }; + GLint areaA = driIntersectArea( drw_rect, pipeA_rect ); + GLint areaB = driIntersectArea( drw_rect, pipeB_rect ); + GLuint flags = intel_fb->vblank_flags; + GLboolean pf_active; + GLint pf_pipes; + + /* Update page flipping info + */ + pf_pipes = 0; + + if (areaA > 0) + pf_pipes |= 1; + + if (areaB > 0) + pf_pipes |= 2; + + intel_fb->pf_current_page = (intel->sarea->pf_current_page >> + (intel_fb->pf_pipes & 0x2)) & 0x3; + + intel_fb->pf_num_pages = 2 /*intel->intelScreen->third.handle ? 3 : 2*/; + + pf_active = pf_pipes && (pf_pipes & intel->sarea->pf_active) == pf_pipes; + + if (INTEL_DEBUG & DEBUG_LOCK) + if (pf_active != intel_fb->pf_active) + _mesa_printf("%s - Page flipping %sactive\n", __progname, + pf_active ? "" : "in"); + + if (pf_active) { + /* Sync pages between pipes if we're flipping on both at the same time */ + if (pf_pipes == 0x3 && pf_pipes != intel_fb->pf_pipes && + (intel->sarea->pf_current_page & 0x3) != + (((intel->sarea->pf_current_page) >> 2) & 0x3)) { + drm_i915_flip_t flip; + + if (intel_fb->pf_current_page == + (intel->sarea->pf_current_page & 0x3)) { + /* XXX: This is ugly, but emitting two flips 'in a row' can cause + * lockups for unknown reasons. + */ + intel->sarea->pf_current_page = + intel->sarea->pf_current_page & 0x3; + intel->sarea->pf_current_page |= + ((intel_fb->pf_current_page + intel_fb->pf_num_pages - 1) % + intel_fb->pf_num_pages) << 2; + + flip.pipes = 0x2; + } else { + intel->sarea->pf_current_page = + intel->sarea->pf_current_page & (0x3 << 2); + intel->sarea->pf_current_page |= + (intel_fb->pf_current_page + intel_fb->pf_num_pages - 1) % + intel_fb->pf_num_pages; + + flip.pipes = 0x1; + } + + drmCommandWrite(intel->driFd, DRM_I915_FLIP, &flip, sizeof(flip)); + } + + intel_fb->pf_pipes = pf_pipes; + } + + intel_fb->pf_active = pf_active; + intel_flip_renderbuffers(intel_fb); + intel_draw_buffer(&intel->ctx, intel->ctx.DrawBuffer); + + /* Update vblank info + */ + if (areaB > areaA || (areaA == areaB && areaB > 0)) { + flags = intel_fb->vblank_flags | VBLANK_FLAG_SECONDARY; + } else { + flags = intel_fb->vblank_flags & ~VBLANK_FLAG_SECONDARY; + } + + if (flags != intel_fb->vblank_flags && intel_fb->vblank_flags && + !(intel_fb->vblank_flags & VBLANK_FLAG_NO_IRQ)) { + drmVBlank vbl; + int i; + + vbl.request.type = DRM_VBLANK_ABSOLUTE; + + if ( intel_fb->vblank_flags & VBLANK_FLAG_SECONDARY ) { + vbl.request.type |= DRM_VBLANK_SECONDARY; + } + + for (i = 0; i < intel_fb->pf_num_pages; i++) { + if (!intel_fb->color_rb[i] || + (intel_fb->vbl_waited - intel_fb->color_rb[i]->vbl_pending) <= + (1<<23)) + continue; + + vbl.request.sequence = intel_fb->color_rb[i]->vbl_pending; + drmWaitVBlank(intel->driFd, &vbl); + } + + intel_fb->vblank_flags = flags; + driGetCurrentVBlank(dPriv, intel_fb->vblank_flags, &intel_fb->vbl_seq); + intel_fb->vbl_waited = intel_fb->vbl_seq; + + for (i = 0; i < intel_fb->pf_num_pages; i++) { + if (intel_fb->color_rb[i]) + intel_fb->color_rb[i]->vbl_pending = intel_fb->vbl_waited; + } + } + } + + /* This will be picked up by looking at the dirty state flags: + */ + + /* Update hardware scissor */ +// ctx->Driver.Scissor(ctx, ctx->Scissor.X, ctx->Scissor.Y, +// ctx->Scissor.Width, ctx->Scissor.Height); + + /* Re-calculate viewport related state */ +// ctx->Driver.DepthRange( ctx, ctx->Viewport.Near, ctx->Viewport.Far ); +} + + + + + +/** + * Called by ctx->Driver.Clear. + */ +static void +intelClear(GLcontext *ctx, GLbitfield mask) +{ + const GLuint colorMask = *((GLuint *) & ctx->Color.ColorMask); + GLbitfield tri_mask = 0; + GLbitfield blit_mask = 0; + GLbitfield swrast_mask = 0; + struct gl_framebuffer *fb = ctx->DrawBuffer; + GLuint i; + + if (0) + fprintf(stderr, "%s\n", __FUNCTION__); + + /* HW color buffers (front, back, aux, generic FBO, etc) */ + if (colorMask == ~0) { + /* clear all R,G,B,A */ + /* XXX FBO: need to check if colorbuffers are software RBOs! */ + blit_mask |= (mask & BUFFER_BITS_COLOR); + } + else { + /* glColorMask in effect */ + tri_mask |= (mask & BUFFER_BITS_COLOR); + } + + /* HW stencil */ + if (mask & BUFFER_BIT_STENCIL) { + const struct intel_region *stencilRegion + = intel_get_rb_region(fb, BUFFER_STENCIL); + if (stencilRegion) { + /* have hw stencil */ + if ((ctx->Stencil.WriteMask[0] & 0xff) != 0xff) { + /* not clearing all stencil bits, so use triangle clearing */ + tri_mask |= BUFFER_BIT_STENCIL; + } + else { + /* clearing all stencil bits, use blitting */ + blit_mask |= BUFFER_BIT_STENCIL; + } + } + } + + /* HW depth */ + if (mask & BUFFER_BIT_DEPTH) { + /* clear depth with whatever method is used for stencil (see above) */ + if (tri_mask & BUFFER_BIT_STENCIL) + tri_mask |= BUFFER_BIT_DEPTH; + else + blit_mask |= BUFFER_BIT_DEPTH; + } + + /* SW fallback clearing */ + swrast_mask = mask & ~tri_mask & ~blit_mask; + + for (i = 0; i < BUFFER_COUNT; i++) { + GLuint bufBit = 1 << i; + if ((blit_mask | tri_mask) & bufBit) { + if (!fb->Attachment[i].Renderbuffer->ClassID) { + blit_mask &= ~bufBit; + tri_mask &= ~bufBit; + swrast_mask |= bufBit; + } + } + } + + + intelFlush(ctx); /* XXX intelClearWithBlit also does this */ + + if (blit_mask) + intelClearWithBlit(ctx, blit_mask); + + if (swrast_mask | tri_mask) + _swrast_Clear(ctx, swrast_mask | tri_mask); +} + + +/* Emit wait for pending flips */ +void +intel_wait_flips(struct intel_context *intel, GLuint batch_flags) +{ + struct intel_framebuffer *intel_fb = + (struct intel_framebuffer *) intel->ctx.DrawBuffer; + struct intel_renderbuffer *intel_rb = + intel_get_renderbuffer(&intel_fb->Base, + intel_fb->Base._ColorDrawBufferMask[0] == + BUFFER_BIT_FRONT_LEFT ? BUFFER_FRONT_LEFT : + BUFFER_BACK_LEFT); + + if (intel_fb->Base.Name == 0 && intel_rb->pf_pending == intel_fb->pf_seq) { + GLint pf_pipes = intel_fb->pf_pipes; + BATCH_LOCALS; + + /* Wait for pending flips to take effect */ + BEGIN_BATCH(2, batch_flags); + OUT_BATCH(pf_pipes & 0x1 ? (MI_WAIT_FOR_EVENT | MI_WAIT_FOR_PLANE_A_FLIP) + : 0); + OUT_BATCH(pf_pipes & 0x2 ? (MI_WAIT_FOR_EVENT | MI_WAIT_FOR_PLANE_B_FLIP) + : 0); + ADVANCE_BATCH(); + + intel_rb->pf_pending--; + } +} + +#if 0 +/* Flip the front & back buffers + */ +static GLboolean +intelPageFlip(const __DRIdrawablePrivate * dPriv) +{ + struct intel_context *intel; + int ret; + struct intel_framebuffer *intel_fb = dPriv->driverPrivate; + + if (INTEL_DEBUG & DEBUG_IOCTL) + fprintf(stderr, "%s\n", __FUNCTION__); + + assert(dPriv); + assert(dPriv->driContextPriv); + assert(dPriv->driContextPriv->driverPrivate); + + intel = (struct intel_context *) dPriv->driContextPriv->driverPrivate; + + if (intel->intelScreen->drmMinor < 9) + return GL_FALSE; + + intelFlush(&intel->ctx); + + ret = 0; + + LOCK_HARDWARE(intel); + + if (dPriv->numClipRects && intel_fb->pf_active) { + drm_i915_flip_t flip; + + flip.pipes = intel_fb->pf_pipes; + + ret = drmCommandWrite(intel->driFd, DRM_I915_FLIP, &flip, sizeof(flip)); + } + + UNLOCK_HARDWARE(intel); + + if (ret || !intel_fb->pf_active) + return GL_FALSE; + + if (!dPriv->numClipRects) { + usleep(10000); /* throttle invisible client 10ms */ + } + + intel_fb->pf_current_page = (intel->sarea->pf_current_page >> + (intel_fb->pf_pipes & 0x2)) & 0x3; + + if (dPriv->numClipRects != 0) { + intel_get_renderbuffer(&intel_fb->Base, BUFFER_FRONT_LEFT)->pf_pending = + intel_get_renderbuffer(&intel_fb->Base, BUFFER_BACK_LEFT)->pf_pending = + ++intel_fb->pf_seq; + } + + intel_flip_renderbuffers(intel_fb); + intel_draw_buffer(&intel->ctx, &intel_fb->Base); + + if (INTEL_DEBUG & DEBUG_IOCTL) + fprintf(stderr, "%s: success\n", __FUNCTION__); + + return GL_TRUE; +} +#endif + + +static GLboolean +intelScheduleSwap(const __DRIdrawablePrivate * dPriv, GLboolean *missed_target) +{ + struct intel_framebuffer *intel_fb = dPriv->driverPrivate; + unsigned int interval = driGetVBlankInterval(dPriv, intel_fb->vblank_flags); + struct intel_context *intel = + intelScreenContext(dPriv->driScreenPriv->private); + const intelScreenPrivate *intelScreen = intel->intelScreen; + unsigned int target; + drm_i915_vblank_swap_t swap; + GLboolean ret; + + if (!intel_fb->vblank_flags || + (intel_fb->vblank_flags & VBLANK_FLAG_NO_IRQ) || + intelScreen->drmMinor < (intel_fb->pf_active ? 9 : 6)) + return GL_FALSE; + + swap.seqtype = DRM_VBLANK_ABSOLUTE; + + if (intel_fb->vblank_flags & VBLANK_FLAG_SYNC) { + swap.seqtype |= DRM_VBLANK_NEXTONMISS; + } else if (interval == 0) { + return GL_FALSE; + } + + swap.drawable = dPriv->hHWDrawable; + target = swap.sequence = intel_fb->vbl_seq + interval; + + if ( intel_fb->vblank_flags & VBLANK_FLAG_SECONDARY ) { + swap.seqtype |= DRM_VBLANK_SECONDARY; + } + + LOCK_HARDWARE(intel); + + intel_batchbuffer_flush(intel->batch); + + if ( intel_fb->pf_active ) { + swap.seqtype |= DRM_VBLANK_FLIP; + + intel_fb->pf_current_page = (((intel->sarea->pf_current_page >> + (intel_fb->pf_pipes & 0x2)) & 0x3) + 1) % + intel_fb->pf_num_pages; + } + + if (!drmCommandWriteRead(intel->driFd, DRM_I915_VBLANK_SWAP, &swap, + sizeof(swap))) { + intel_fb->vbl_seq = swap.sequence; + swap.sequence -= target; + *missed_target = swap.sequence > 0 && swap.sequence <= (1 << 23); + + intel_get_renderbuffer(&intel_fb->Base, BUFFER_BACK_LEFT)->vbl_pending = + intel_get_renderbuffer(&intel_fb->Base, + BUFFER_FRONT_LEFT)->vbl_pending = + intel_fb->vbl_seq; + + if (swap.seqtype & DRM_VBLANK_FLIP) { + intel_flip_renderbuffers(intel_fb); + intel_draw_buffer(&intel->ctx, intel->ctx.DrawBuffer); + } + + ret = GL_TRUE; + } else { + if (swap.seqtype & DRM_VBLANK_FLIP) { + intel_fb->pf_current_page = ((intel->sarea->pf_current_page >> + (intel_fb->pf_pipes & 0x2)) & 0x3) % + intel_fb->pf_num_pages; + } + + ret = GL_FALSE; + } + + UNLOCK_HARDWARE(intel); + + return ret; +} + +void +intelSwapBuffers(__DRIdrawablePrivate * dPriv) +{ + if (dPriv->driContextPriv && dPriv->driContextPriv->driverPrivate) { + GET_CURRENT_CONTEXT(ctx); + struct intel_context *intel; + + if (ctx == NULL) + return; + + intel = intel_context(ctx); + + if (ctx->Visual.doubleBufferMode) { + GLboolean missed_target; + struct intel_framebuffer *intel_fb = dPriv->driverPrivate; + int64_t ust; + + _mesa_notifySwapBuffers(ctx); /* flush pending rendering comands */ + + if (!intelScheduleSwap(dPriv, &missed_target)) { + driWaitForVBlank(dPriv, &intel_fb->vbl_seq, intel_fb->vblank_flags, + &missed_target); + + intelCopyBuffer(dPriv, NULL); + } + + intel_fb->swap_count++; + (*dri_interface->getUST) (&ust); + if (missed_target) { + intel_fb->swap_missed_count++; + intel_fb->swap_missed_ust = ust - intel_fb->swap_ust; + } + + intel_fb->swap_ust = ust; + } + } + else { + /* XXX this shouldn't be an error but we can't handle it for now */ + fprintf(stderr, "%s: drawable has no context!\n", __FUNCTION__); + } +} + +void +intelCopySubBuffer(__DRIdrawablePrivate * dPriv, int x, int y, int w, int h) +{ + if (dPriv->driContextPriv && dPriv->driContextPriv->driverPrivate) { + struct intel_context *intel = + (struct intel_context *) dPriv->driContextPriv->driverPrivate; + GLcontext *ctx = &intel->ctx; + + if (ctx->Visual.doubleBufferMode) { + drm_clip_rect_t rect; + /* fixup cliprect (driDrawable may have changed?) later */ + rect.x1 = x; + rect.y1 = y; + rect.x2 = w; + rect.y2 = h; + _mesa_notifySwapBuffers(ctx); /* flush pending rendering comands */ + intelCopyBuffer(dPriv, &rect); + } + } + else { + /* XXX this shouldn't be an error but we can't handle it for now */ + fprintf(stderr, "%s: drawable has no context!\n", __FUNCTION__); + } +} + + +/** + * Update the hardware state for drawing into a window or framebuffer object. + * + * Called by glDrawBuffer, glBindFramebufferEXT, MakeCurrent, and other + * places within the driver. + * + * Basically, this needs to be called any time the current framebuffer + * changes, the renderbuffers change, or we need to draw into different + * color buffers. + */ +void +intel_draw_buffer(GLcontext * ctx, struct gl_framebuffer *fb) +{ + struct intel_context *intel = intel_context(ctx); + struct intel_region *colorRegion, *depthRegion = NULL; + struct intel_renderbuffer *irbDepth = NULL, *irbStencil = NULL; + + if (!fb) { + /* this can happen during the initial context initialization */ + return; + } + + /* Do this here, not core Mesa, since this function is called from + * many places within the driver. + */ + if (ctx->NewState & (_NEW_BUFFERS | _NEW_COLOR | _NEW_PIXEL)) { + /* this updates the DrawBuffer->_NumColorDrawBuffers fields, etc */ + _mesa_update_framebuffer(ctx); + /* this updates the DrawBuffer's Width/Height if it's a FBO */ + _mesa_update_draw_buffer_bounds(ctx); + } + + if (fb->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) { + /* this may occur when we're called by glBindFrameBuffer() during + * the process of someone setting up renderbuffers, etc. + */ + /*_mesa_debug(ctx, "DrawBuffer: incomplete user FBO\n");*/ + return; + } + + if (fb->Name) + intel_validate_paired_depth_stencil(ctx, fb); + + /* + * How many color buffers are we drawing into? + */ + if (fb->_NumColorDrawBuffers[0] != 1) { + /* writing to 0 or 2 or 4 color buffers */ + /*_mesa_debug(ctx, "Software rendering\n");*/ + FALLBACK(intel, INTEL_FALLBACK_DRAW_BUFFER, GL_TRUE); + } + else { + /* draw to exactly one color buffer */ + /*_mesa_debug(ctx, "Hardware rendering\n");*/ + FALLBACK(intel, INTEL_FALLBACK_DRAW_BUFFER, GL_FALSE); + } + + /* + * Get the intel_renderbuffer for the colorbuffer we're drawing into. + * And set up cliprects. + */ + { + struct intel_renderbuffer *irb; + intelSetRenderbufferClipRects(intel); + irb = intel_renderbuffer(fb->_ColorDrawBuffers[0][0]); + colorRegion = (irb && irb->region) ? irb->region : NULL; + } + + /* Update culling direction which changes depending on the + * orientation of the buffer: + */ + if (ctx->Driver.FrontFace) + ctx->Driver.FrontFace(ctx, ctx->Polygon.FrontFace); + else + ctx->NewState |= _NEW_POLYGON; + + if (!colorRegion) { + FALLBACK(intel, INTEL_FALLBACK_DRAW_BUFFER, GL_TRUE); + } + else { + FALLBACK(intel, INTEL_FALLBACK_DRAW_BUFFER, GL_FALSE); + } + + /*** + *** Get depth buffer region and check if we need a software fallback. + *** Note that the depth buffer is usually a DEPTH_STENCIL buffer. + ***/ + if (fb->_DepthBuffer && fb->_DepthBuffer->Wrapped) { + irbDepth = intel_renderbuffer(fb->_DepthBuffer->Wrapped); + if (irbDepth && irbDepth->region) { + FALLBACK(intel, INTEL_FALLBACK_DEPTH_BUFFER, GL_FALSE); + depthRegion = irbDepth->region; + } + else { + FALLBACK(intel, INTEL_FALLBACK_DEPTH_BUFFER, GL_TRUE); + depthRegion = NULL; + } + } + else { + /* not using depth buffer */ + FALLBACK(intel, INTEL_FALLBACK_DEPTH_BUFFER, GL_FALSE); + depthRegion = NULL; + } + + /*** + *** Stencil buffer + *** This can only be hardware accelerated if we're using a + *** combined DEPTH_STENCIL buffer (for now anyway). + ***/ + if (fb->_StencilBuffer && fb->_StencilBuffer->Wrapped) { + irbStencil = intel_renderbuffer(fb->_StencilBuffer->Wrapped); + if (irbStencil && irbStencil->region) { + ASSERT(irbStencil->Base._ActualFormat == GL_DEPTH24_STENCIL8_EXT); + FALLBACK(intel, INTEL_FALLBACK_STENCIL_BUFFER, GL_FALSE); + /* need to re-compute stencil hw state */ +// ctx->Driver.Enable(ctx, GL_STENCIL_TEST, ctx->Stencil.Enabled); + if (!depthRegion) + depthRegion = irbStencil->region; + } + else { + FALLBACK(intel, INTEL_FALLBACK_STENCIL_BUFFER, GL_TRUE); + } + } + else { + /* XXX FBO: instead of FALSE, pass ctx->Stencil.Enabled ??? */ + FALLBACK(intel, INTEL_FALLBACK_STENCIL_BUFFER, GL_FALSE); + /* need to re-compute stencil hw state */ +// ctx->Driver.Enable(ctx, GL_STENCIL_TEST, ctx->Stencil.Enabled); + } + + + /** + ** Release old regions, reference new regions + **/ + + // intel->vtbl.set_draw_region(intel, colorRegion, depthRegion); + + /* update viewport since it depends on window size */ +// ctx->Driver.Viewport(ctx, ctx->Viewport.X, ctx->Viewport.Y, +// ctx->Viewport.Width, ctx->Viewport.Height); + + /* Update hardware scissor */ +// ctx->Driver.Scissor(ctx, ctx->Scissor.X, ctx->Scissor.Y, +// ctx->Scissor.Width, ctx->Scissor.Height); +} + + +static void +intelDrawBuffer(GLcontext * ctx, GLenum mode) +{ + intel_draw_buffer(ctx, ctx->DrawBuffer); +} + + +static void +intelReadBuffer(GLcontext * ctx, GLenum mode) +{ + if (ctx->ReadBuffer == ctx->DrawBuffer) { + /* This will update FBO completeness status. + * A framebuffer will be incomplete if the GL_READ_BUFFER setting + * refers to a missing renderbuffer. Calling glReadBuffer can set + * that straight and can make the drawing buffer complete. + */ + intel_draw_buffer(ctx, ctx->DrawBuffer); + } + /* Generally, functions which read pixels (glReadPixels, glCopyPixels, etc) + * reference ctx->ReadBuffer and do appropriate state checks. + */ +} + + +void +intelInitBufferFuncs(struct dd_function_table *functions) +{ + functions->Clear = intelClear; + functions->DrawBuffer = intelDrawBuffer; + functions->ReadBuffer = intelReadBuffer; +} diff --git a/src/mesa/drivers/dri/i915pipe/intel_buffers.h b/src/mesa/drivers/dri/i915pipe/intel_buffers.h new file mode 100644 index 0000000000..13d1a15ffb --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_buffers.h @@ -0,0 +1,55 @@ +/************************************************************************** + * + * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef INTEL_BUFFERS_H +#define INTEL_BUFFERS_H + + +struct intel_context; +struct intel_framebuffer; + + +extern GLboolean +intel_intersect_cliprects(drm_clip_rect_t * dest, + const drm_clip_rect_t * a, + const drm_clip_rect_t * b); + +extern struct intel_region *intel_readbuf_region(struct intel_context *intel); + +extern struct intel_region *intel_drawbuf_region(struct intel_context *intel); + +extern void intel_wait_flips(struct intel_context *intel, GLuint batch_flags); + +extern void intelSwapBuffers(__DRIdrawablePrivate * dPriv); + +extern void intelWindowMoved(struct intel_context *intel); + +extern void intel_draw_buffer(GLcontext * ctx, struct gl_framebuffer *fb); + +extern void intelInitBufferFuncs(struct dd_function_table *functions); + +#endif /* INTEL_BUFFERS_H */ diff --git a/src/mesa/drivers/dri/i915pipe/intel_context.c b/src/mesa/drivers/dri/i915pipe/intel_context.c new file mode 100644 index 0000000000..e8e00b9606 --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_context.c @@ -0,0 +1,768 @@ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +#include "glheader.h" +#include "context.h" +#include "matrix.h" +#include "simple_list.h" +#include "extensions.h" +#include "framebuffer.h" +#include "imports.h" +#include "points.h" + +#include "swrast/swrast.h" +#include "swrast_setup/swrast_setup.h" +#include "tnl/tnl.h" + +#include "tnl/t_pipeline.h" +#include "tnl/t_vertex.h" + +#include "drivers/common/driverfuncs.h" + +#include "intel_screen.h" + +#include "i830_dri.h" + +#include "intel_buffers.h" +#include "intel_tex.h" +#include "intel_span.h" +#include "intel_tris.h" +#include "intel_ioctl.h" +#include "intel_batchbuffer.h" +#include "intel_blit.h" +#include "intel_pixel.h" +#include "intel_regions.h" +#include "intel_buffer_objects.h" +#include "intel_fbo.h" + +#include "pipe/softpipe/sp_context.h" +#include "state_tracker/st_public.h" + + +#include "drirenderbuffer.h" +#include "vblank.h" +#include "utils.h" +#include "xmlpool.h" /* for symbolic values of enum-type options */ +#ifndef INTEL_DEBUG +int INTEL_DEBUG = (0); +#endif + +#define need_GL_ARB_multisample +#define need_GL_ARB_point_parameters +#define need_GL_ARB_texture_compression +#define need_GL_ARB_vertex_buffer_object +#define need_GL_ARB_vertex_program +#define need_GL_ARB_window_pos +#define need_GL_EXT_blend_color +#define need_GL_EXT_blend_equation_separate +#define need_GL_EXT_blend_func_separate +#define need_GL_EXT_blend_minmax +#define need_GL_EXT_cull_vertex +#define need_GL_EXT_fog_coord +#define need_GL_EXT_framebuffer_object +#define need_GL_EXT_multi_draw_arrays +#define need_GL_EXT_secondary_color +#define need_GL_NV_vertex_program +#include "extension_helper.h" + + +#define DRIVER_DATE "20061102" + +_glthread_Mutex lockMutex; +static GLboolean lockMutexInit = GL_FALSE; + + +static const GLubyte * +intelGetString(GLcontext * ctx, GLenum name) +{ + const char *chipset; + static char buffer[128]; + + switch (name) { + case GL_VENDOR: + return (GLubyte *) "Tungsten Graphics, Inc"; + break; + + case GL_RENDERER: + switch (intel_context(ctx)->intelScreen->deviceID) { + case PCI_CHIP_845_G: + chipset = "Intel(R) 845G"; + break; + case PCI_CHIP_I830_M: + chipset = "Intel(R) 830M"; + break; + case PCI_CHIP_I855_GM: + chipset = "Intel(R) 852GM/855GM"; + break; + case PCI_CHIP_I865_G: + chipset = "Intel(R) 865G"; + break; + case PCI_CHIP_I915_G: + chipset = "Intel(R) 915G"; + break; + case PCI_CHIP_I915_GM: + chipset = "Intel(R) 915GM"; + break; + case PCI_CHIP_I945_G: + chipset = "Intel(R) 945G"; + break; + case PCI_CHIP_I945_GM: + chipset = "Intel(R) 945GM"; + break; + case PCI_CHIP_I945_GME: + chipset = "Intel(R) 945GME"; + break; + case PCI_CHIP_G33_G: + chipset = "Intel(R) G33"; + break; + case PCI_CHIP_Q35_G: + chipset = "Intel(R) Q35"; + break; + case PCI_CHIP_Q33_G: + chipset = "Intel(R) Q33"; + break; + default: + chipset = "Unknown Intel Chipset"; + break; + } + + (void) driGetRendererString(buffer, chipset, DRIVER_DATE, 0); + return (GLubyte *) buffer; + + default: + return NULL; + } +} + + +/** + * Extension strings exported by the intel driver. + * + * \note + * It appears that ARB_texture_env_crossbar has "disappeared" compared to the + * old i830-specific driver. + */ +const struct dri_extension card_extensions[] = { + {"GL_ARB_multisample", GL_ARB_multisample_functions}, + {"GL_ARB_multitexture", NULL}, + {"GL_ARB_point_parameters", GL_ARB_point_parameters_functions}, + {"GL_ARB_texture_border_clamp", NULL}, + {"GL_ARB_texture_compression", GL_ARB_texture_compression_functions}, + {"GL_ARB_texture_cube_map", NULL}, + {"GL_ARB_texture_env_add", NULL}, + {"GL_ARB_texture_env_combine", NULL}, + {"GL_ARB_texture_env_dot3", NULL}, + {"GL_ARB_texture_mirrored_repeat", NULL}, + {"GL_ARB_texture_rectangle", NULL}, + {"GL_ARB_vertex_buffer_object", GL_ARB_vertex_buffer_object_functions}, + {"GL_ARB_pixel_buffer_object", NULL}, + {"GL_ARB_vertex_program", GL_ARB_vertex_program_functions}, + {"GL_ARB_window_pos", GL_ARB_window_pos_functions}, + {"GL_EXT_blend_color", GL_EXT_blend_color_functions}, + {"GL_EXT_blend_equation_separate", + GL_EXT_blend_equation_separate_functions}, + {"GL_EXT_blend_func_separate", GL_EXT_blend_func_separate_functions}, + {"GL_EXT_blend_minmax", GL_EXT_blend_minmax_functions}, + {"GL_EXT_blend_subtract", NULL}, + {"GL_EXT_cull_vertex", GL_EXT_cull_vertex_functions}, + {"GL_EXT_fog_coord", GL_EXT_fog_coord_functions}, + {"GL_EXT_framebuffer_object", GL_EXT_framebuffer_object_functions}, + {"GL_EXT_multi_draw_arrays", GL_EXT_multi_draw_arrays_functions}, +#if 1 /* XXX FBO temporary? */ + {"GL_EXT_packed_depth_stencil", NULL}, +#endif + {"GL_EXT_pixel_buffer_object", NULL}, + {"GL_EXT_secondary_color", GL_EXT_secondary_color_functions}, + {"GL_EXT_stencil_wrap", NULL}, + {"GL_EXT_texture_edge_clamp", NULL}, + {"GL_EXT_texture_env_combine", NULL}, + {"GL_EXT_texture_env_dot3", NULL}, + {"GL_EXT_texture_filter_anisotropic", NULL}, + {"GL_EXT_texture_lod_bias", NULL}, + {"GL_3DFX_texture_compression_FXT1", NULL}, + {"GL_APPLE_client_storage", NULL}, + {"GL_MESA_pack_invert", NULL}, + {"GL_MESA_ycbcr_texture", NULL}, + {"GL_NV_blend_square", NULL}, + {"GL_NV_vertex_program", GL_NV_vertex_program_functions}, + {"GL_NV_vertex_program1_1", NULL}, +/* { "GL_SGIS_generate_mipmap", NULL }, */ + {NULL, NULL} +}; + + + + +static const struct dri_debug_control debug_control[] = { + {"tex", DEBUG_TEXTURE}, + {"state", DEBUG_STATE}, + {"ioctl", DEBUG_IOCTL}, + {"blit", DEBUG_BLIT}, + {"mip", DEBUG_MIPTREE}, + {"fall", DEBUG_FALLBACKS}, + {"verb", DEBUG_VERBOSE}, + {"bat", DEBUG_BATCH}, + {"pix", DEBUG_PIXEL}, + {"buf", DEBUG_BUFMGR}, + {"reg", DEBUG_REGION}, + {"fbo", DEBUG_FBO}, + {"lock", DEBUG_LOCK}, + {NULL, 0} +}; + + +static void +intelInvalidateState(GLcontext * ctx, GLuint new_state) +{ + _swrast_InvalidateState(ctx, new_state); + _swsetup_InvalidateState(ctx, new_state); + _vbo_InvalidateState(ctx, new_state); + _tnl_InvalidateState(ctx, new_state); + _tnl_invalidate_vertex_state(ctx, new_state); + + st_invalidate_state( ctx, new_state ); + + intel_context(ctx)->NewGLState |= new_state; +} + + +void +intelFlush(GLcontext * ctx) +{ + struct intel_context *intel = intel_context(ctx); + + if (intel->Fallback) + _swrast_flush(ctx); + + INTEL_FIREVERTICES(intel); + + if (intel->batch->map != intel->batch->ptr) + intel_batchbuffer_flush(intel->batch); + + /* XXX: Need to do an MI_FLUSH here. + */ +} + + +/** + * Check if we need to rotate/warp the front color buffer to the + * rotated screen. We generally need to do this when we get a glFlush + * or glFinish after drawing to the front color buffer. + * If no rotation, just copy the private fake front buffer to the real one. + */ +static void +intelCheckFrontUpdate(GLcontext * ctx) +{ + struct intel_context *intel = intel_context(ctx); + /* rely on _ColorDrawBufferMask being kept up to date by mesa + even for window-fbos. */ + /* not sure. Might need that for all masks including + BUFFER_BIT_FRONT_LEFT maybe? */ + if (intel->ctx.DrawBuffer->_ColorDrawBufferMask[0] == + BUFFER_BIT_FRONT_LEFT) { + __DRIdrawablePrivate *dPriv = intel->driDrawable; + intelCopyBuffer(dPriv, NULL); + } +} + + +/** + * Called via glFlush. + */ +static void +intelglFlush(GLcontext * ctx) +{ + intelFlush(ctx); + intelCheckFrontUpdate(ctx); +} + +void +intelFinish(GLcontext * ctx) +{ + struct intel_context *intel = intel_context(ctx); + intelFlush(ctx); + if (intel->batch->last_fence) { + driFenceFinish(intel->batch->last_fence, + 0, GL_FALSE); + driFenceUnReference(intel->batch->last_fence); + intel->batch->last_fence = NULL; + } + intelCheckFrontUpdate(ctx); +} + + +void +intelInitDriverFunctions(struct dd_function_table *functions) +{ + _mesa_init_driver_functions(functions); + + functions->Flush = intelglFlush; + functions->Finish = intelFinish; + functions->GetString = intelGetString; + functions->UpdateState = intelInvalidateState; + functions->CopyColorTable = _swrast_CopyColorTable; + functions->CopyColorSubTable = _swrast_CopyColorSubTable; + functions->CopyConvolutionFilter1D = _swrast_CopyConvolutionFilter1D; + functions->CopyConvolutionFilter2D = _swrast_CopyConvolutionFilter2D; + + intelInitTextureFuncs(functions); + intelInitPixelFuncs(functions); + intelInitStateFuncs(functions); + intelInitBufferFuncs(functions); +} + + + +GLboolean +intelCreateContext(const __GLcontextModes * mesaVis, + __DRIcontextPrivate * driContextPriv, + void *sharedContextPrivate) +{ + struct dd_function_table functions; + + struct intel_context *intel = CALLOC_STRUCT(intel_context); + GLcontext *ctx = &intel->ctx; + + GLcontext *shareCtx = (GLcontext *) sharedContextPrivate; + __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv; + intelScreenPrivate *intelScreen = (intelScreenPrivate *) sPriv->private; + drmI830Sarea *saPriv = (drmI830Sarea *) + (((GLubyte *) sPriv->pSAREA) + intelScreen->sarea_priv_offset); + int fthrottle_mode; + GLboolean havePools; + + DRM_LIGHT_LOCK(sPriv->fd, &sPriv->pSAREA->lock, driContextPriv->hHWContext); + havePools = intelCreatePools(intelScreen); + DRM_UNLOCK(sPriv->fd, &sPriv->pSAREA->lock, driContextPriv->hHWContext); + + if (!havePools) + return GL_FALSE; + + intelInitDriverFunctions(&functions); + + if (!_mesa_initialize_context(&intel->ctx, + mesaVis, shareCtx, + &functions, (void *) intel)) + return GL_FALSE; + + driContextPriv->driverPrivate = intel; + intel->intelScreen = intelScreen; + intel->driScreen = sPriv; + intel->sarea = saPriv; + + if (!lockMutexInit) { + lockMutexInit = GL_TRUE; + _glthread_INIT_MUTEX(lockMutex); + } + + driParseConfigFiles(&intel->optionCache, &intelScreen->optionCache, + intel->driScreen->myNum, "i915"); + + ctx->Const.MaxTextureMaxAnisotropy = 2.0; + + /* This doesn't yet catch all non-conformant rendering, but it's a + * start. + */ + if (getenv("INTEL_STRICT_CONFORMANCE")) { + intel->strict_conformance = 1; + } + + ctx->Const.MinLineWidth = 1.0; + ctx->Const.MinLineWidthAA = 1.0; + ctx->Const.MaxLineWidth = 3.0; + ctx->Const.MaxLineWidthAA = 3.0; + ctx->Const.LineWidthGranularity = 1.0; + + ctx->Const.MinPointSize = 1.0; + ctx->Const.MinPointSizeAA = 1.0; + ctx->Const.MaxPointSize = 255.0; + ctx->Const.MaxPointSizeAA = 3.0; + ctx->Const.PointSizeGranularity = 1.0; + + /* reinitialize the context point state. + * It depend on constants in __GLcontextRec::Const + */ + _mesa_init_point(ctx); + + ctx->Const.MaxColorAttachments = 4; /* XXX FBO: review this */ + + /* Initialize the software rasterizer and helper modules. */ + _swrast_CreateContext(ctx); + _vbo_CreateContext(ctx); + _tnl_CreateContext(ctx); + _swsetup_CreateContext(ctx); + + + /* Configure swrast to match hardware characteristics: */ + _swrast_allow_pixel_fog(ctx, GL_FALSE); + _swrast_allow_vertex_fog(ctx, GL_TRUE); + + /* Dri stuff */ + intel->hHWContext = driContextPriv->hHWContext; + intel->driFd = sPriv->fd; + intel->driHwLock = (drmLock *) & sPriv->pSAREA->lock; + + intel->hw_stipple = 1; + + /* XXX FBO: this doesn't seem to be used anywhere */ + switch (mesaVis->depthBits) { + case 0: /* what to do in this case? */ + case 16: + intel->polygon_offset_scale = 1.0 / 0xffff; + break; + case 24: + intel->polygon_offset_scale = 2.0 / 0xffffff; /* req'd to pass glean */ + break; + default: + assert(0); + break; + } + + /* Initialize swrast, tnl driver tables: */ + intelInitSpanFuncs(ctx); + + TNL_CONTEXT(ctx)->Driver.RunPipeline = _tnl_run_pipeline; + + + intel->RenderIndex = ~0; + + fthrottle_mode = driQueryOptioni(&intel->optionCache, "fthrottle_mode"); + intel->iw.irq_seq = -1; + intel->irqsEmitted = 0; + + intel->do_irqs = (intel->intelScreen->irq_active && + fthrottle_mode == DRI_CONF_FTHROTTLE_IRQS); + + intel->do_usleeps = (fthrottle_mode == DRI_CONF_FTHROTTLE_USLEEPS); + + _math_matrix_ctr(&intel->ViewportMatrix); + + /* Disable imaging extension until convolution is working in + * teximage paths: + */ + driInitExtensions(ctx, card_extensions, +/* GL_TRUE, */ + GL_FALSE); + + + intel->batch = intel_batchbuffer_alloc(intel); + intel->last_swap_fence = NULL; + intel->first_swap_fence = NULL; + + intel_bufferobj_init(intel); + intel_fbo_init(intel); + + if (intel->ctx.Mesa_DXTn) { + _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc"); + _mesa_enable_extension(ctx, "GL_S3_s3tc"); + } + else if (driQueryOptionb(&intel->optionCache, "force_s3tc_enable")) { + _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc"); + } + + intel->prim.primitive = ~0; + + +#if DO_DEBUG + INTEL_DEBUG = driParseDebugString(getenv("INTEL_DEBUG"), debug_control); +#endif + + if (getenv("INTEL_NO_RAST")) { + fprintf(stderr, "disabling 3D rasterization\n"); + FALLBACK(intel, INTEL_FALLBACK_USER, 1); + } + + + st_create_context( &intel->ctx, + softpipe_create() ); + + + return GL_TRUE; +} + +void +intelDestroyContext(__DRIcontextPrivate * driContextPriv) +{ + struct intel_context *intel = + (struct intel_context *) driContextPriv->driverPrivate; + + assert(intel); /* should never be null */ + if (intel) { + GLboolean release_texture_heaps; + + INTEL_FIREVERTICES(intel); + + //intel->vtbl.destroy(intel); + + release_texture_heaps = (intel->ctx.Shared->RefCount == 1); + _swsetup_DestroyContext(&intel->ctx); + _tnl_DestroyContext(&intel->ctx); + _vbo_DestroyContext(&intel->ctx); + + _swrast_DestroyContext(&intel->ctx); + intel->Fallback = 0; /* don't call _swrast_Flush later */ + + intel_batchbuffer_free(intel->batch); + + if (intel->last_swap_fence) { + driFenceFinish(intel->last_swap_fence, DRM_FENCE_TYPE_EXE, GL_TRUE); + driFenceUnReference(intel->last_swap_fence); + intel->last_swap_fence = NULL; + } + if (intel->first_swap_fence) { + driFenceFinish(intel->first_swap_fence, DRM_FENCE_TYPE_EXE, GL_TRUE); + driFenceUnReference(intel->first_swap_fence); + intel->first_swap_fence = NULL; + } + + + if (release_texture_heaps) { + /* This share group is about to go away, free our private + * texture object data. + */ + if (INTEL_DEBUG & DEBUG_TEXTURE) + fprintf(stderr, "do something to free texture heaps\n"); + } + + /* free the Mesa context */ + _mesa_free_context_data(&intel->ctx); + } +} + +GLboolean +intelUnbindContext(__DRIcontextPrivate * driContextPriv) +{ + struct intel_context *intel = (struct intel_context *) driContextPriv->driverPrivate; + /* XXX UnbindContext is called AFTER the new context is made current. + Hopefully shouldn't be a problem ? */ + FLUSH_VERTICES((&intel->ctx), 0); + intelFlush(&intel->ctx); + return GL_TRUE; +} + +GLboolean +intelMakeCurrent(__DRIcontextPrivate * driContextPriv, + __DRIdrawablePrivate * driDrawPriv, + __DRIdrawablePrivate * driReadPriv) +{ + +#if 0 + if (driDrawPriv) { + fprintf(stderr, "x %d, y %d, width %d, height %d\n", + driDrawPriv->x, driDrawPriv->y, driDrawPriv->w, driDrawPriv->h); + } +#endif + + if (driContextPriv) { + struct intel_context *intel = + (struct intel_context *) driContextPriv->driverPrivate; + struct intel_framebuffer *intel_fb = + (struct intel_framebuffer *) driDrawPriv->driverPrivate; + GLframebuffer *readFb = (GLframebuffer *) driReadPriv->driverPrivate; + + /* this is a hack so we have a valid context when the region allocation + is done. Need a per-screen context? */ + intel->intelScreen->dummyctxptr = intel; + + /* update GLframebuffer size to match window if needed */ + driUpdateFramebufferSize(&intel->ctx, driDrawPriv); + + if (driReadPriv != driDrawPriv) { + driUpdateFramebufferSize(&intel->ctx, driReadPriv); + } + + _mesa_make_current(&intel->ctx, &intel_fb->Base, readFb); + + /* The drawbuffer won't always be updated by _mesa_make_current: + */ + if (intel->ctx.DrawBuffer == &intel_fb->Base) { + + if (intel->driDrawable != driDrawPriv) { + if (driDrawPriv->pdraw->swap_interval == (unsigned)-1) { + int i; + + intel_fb->vblank_flags = (intel->intelScreen->irq_active != 0) + ? driGetDefaultVBlankFlags(&intel->optionCache) + : VBLANK_FLAG_NO_IRQ; + + (*dri_interface->getUST) (&intel_fb->swap_ust); + driDrawableInitVBlank(driDrawPriv, intel_fb->vblank_flags, + &intel_fb->vbl_seq); + intel_fb->vbl_waited = intel_fb->vbl_seq; + + for (i = 0; i < 2; i++) { + if (intel_fb->color_rb[i]) + intel_fb->color_rb[i]->vbl_pending = intel_fb->vbl_seq; + } + } + } + } + + if ((intel->driDrawable != driDrawPriv) || + (intel->lastStamp != driDrawPriv->lastStamp)) { + intel->driDrawable = driDrawPriv; + intelWindowMoved(intel); + intel->lastStamp = driDrawPriv->lastStamp; + } + + } + else { + _mesa_make_current(NULL, NULL, NULL); + } + + return GL_TRUE; +} + +static void +intelContendedLock(struct intel_context *intel, GLuint flags) +{ + __DRIdrawablePrivate *dPriv = intel->driDrawable; + __DRIscreenPrivate *sPriv = intel->driScreen; + intelScreenPrivate *intelScreen = (intelScreenPrivate *) sPriv->private; + drmI830Sarea *sarea = intel->sarea; + + drmGetLock(intel->driFd, intel->hHWContext, flags); + + if (INTEL_DEBUG & DEBUG_LOCK) + _mesa_printf("%s - got contended lock\n", __progname); + + /* If the window moved, may need to set a new cliprect now. + * + * NOTE: This releases and regains the hw lock, so all state + * checking must be done *after* this call: + */ + if (dPriv) + DRI_VALIDATE_DRAWABLE_INFO(sPriv, dPriv); + + if (sarea->width != intelScreen->width || + sarea->height != intelScreen->height) { + + intelUpdateScreenRotation(sPriv, sarea); + } + +#if 0 + if (sarea->width != intel->width || + sarea->height != intel->height || + sarea->rotation != intel->current_rotation) { + int numClipRects = intel->numClipRects; + + /* + * FIXME: Really only need to do this when drawing to a + * common back- or front buffer. + */ + + /* + * This will essentially drop the outstanding batchbuffer on the floor. + */ + intel->numClipRects = 0; + + if (intel->Fallback) + _swrast_flush(&intel->ctx); + + INTEL_FIREVERTICES(intel); + + if (intel->batch->map != intel->batch->ptr) + intel_batchbuffer_flush(intel->batch); + + intel->numClipRects = numClipRects; + + /* force window update */ + intel->lastStamp = 0; + + intel->width = sarea->width; + intel->height = sarea->height; + intel->current_rotation = sarea->rotation; + } +#endif +} + + +/* Lock the hardware and validate our state. + */ +void LOCK_HARDWARE( struct intel_context *intel ) +{ + char __ret=0; + struct intel_framebuffer *intel_fb = NULL; + struct intel_renderbuffer *intel_rb = NULL; + _glthread_LOCK_MUTEX(lockMutex); + assert(!intel->locked); + + if (intel->driDrawable) { + intel_fb = intel->driDrawable->driverPrivate; + + if (intel_fb) + intel_rb = + intel_get_renderbuffer(&intel_fb->Base, + intel_fb->Base._ColorDrawBufferMask[0] == + BUFFER_BIT_FRONT_LEFT ? BUFFER_FRONT_LEFT : + BUFFER_BACK_LEFT); + } + + if (intel_rb && intel_fb->vblank_flags && + !(intel_fb->vblank_flags & VBLANK_FLAG_NO_IRQ) && + (intel_fb->vbl_waited - intel_rb->vbl_pending) > (1<<23)) { + drmVBlank vbl; + + vbl.request.type = DRM_VBLANK_ABSOLUTE; + + if ( intel_fb->vblank_flags & VBLANK_FLAG_SECONDARY ) { + vbl.request.type |= DRM_VBLANK_SECONDARY; + } + + vbl.request.sequence = intel_rb->vbl_pending; + drmWaitVBlank(intel->driFd, &vbl); + intel_fb->vbl_waited = vbl.reply.sequence; + } + + DRM_CAS(intel->driHwLock, intel->hHWContext, + (DRM_LOCK_HELD|intel->hHWContext), __ret); + + if (__ret) + intelContendedLock( intel, 0 ); + + if (INTEL_DEBUG & DEBUG_LOCK) + _mesa_printf("%s - locked\n", __progname); + + intel->locked = 1; +} + + + /* Unlock the hardware using the global current context + */ +void UNLOCK_HARDWARE( struct intel_context *intel ) +{ + intel->locked = 0; + + DRM_UNLOCK(intel->driFd, intel->driHwLock, intel->hHWContext); + + _glthread_UNLOCK_MUTEX(lockMutex); + + if (INTEL_DEBUG & DEBUG_LOCK) + _mesa_printf("%s - unlocked\n", __progname); +} + diff --git a/src/mesa/drivers/dri/i915pipe/intel_context.h b/src/mesa/drivers/dri/i915pipe/intel_context.h new file mode 100644 index 0000000000..154be972b9 --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_context.h @@ -0,0 +1,426 @@ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef INTELCONTEXT_INC +#define INTELCONTEXT_INC + + + +#include "mtypes.h" +#include "drm.h" +#include "mm.h" +#include "texmem.h" + +#include "intel_screen.h" +#include "i915_drm.h" +#include "i830_common.h" +#include "tnl/t_vertex.h" + +#define TAG(x) intel##x +#include "tnl_dd/t_dd_vertex.h" +#undef TAG + +#define DV_PF_555 (1<<8) +#define DV_PF_565 (2<<8) +#define DV_PF_8888 (3<<8) + +struct intel_region; +struct intel_context; +struct _DriBufferObject; + +typedef void (*intel_tri_func) (struct intel_context *, intelVertex *, + intelVertex *, intelVertex *); +typedef void (*intel_line_func) (struct intel_context *, intelVertex *, + intelVertex *); +typedef void (*intel_point_func) (struct intel_context *, intelVertex *); + +#define INTEL_FALLBACK_DRAW_BUFFER 0x1 +#define INTEL_FALLBACK_READ_BUFFER 0x2 +#define INTEL_FALLBACK_DEPTH_BUFFER 0x4 +#define INTEL_FALLBACK_STENCIL_BUFFER 0x8 +#define INTEL_FALLBACK_USER 0x10 +#define INTEL_FALLBACK_RENDERMODE 0x20 + +#define FALLBACK( intel, bit, mode ) _mesa_printf("intelFallback not implemented/removed\n") + + +#define INTEL_WRITE_PART 0x1 +#define INTEL_WRITE_FULL 0x2 +#define INTEL_READ 0x4 + +struct intel_texture_object +{ + struct gl_texture_object base; /* The "parent" object */ + + /* The mipmap tree must include at least these levels once + * validated: + */ + GLuint firstLevel; + GLuint lastLevel; + + /* Offset for firstLevel image: + */ + GLuint textureOffset; + + /* On validation any active images held in main memory or in other + * regions will be copied to this region and the old storage freed. + */ + struct intel_mipmap_tree *mt; + + GLboolean imageOverride; + GLint depthOverride; + GLuint pitchOverride; +}; + + + +struct intel_texture_image +{ + struct gl_texture_image base; + + /* These aren't stored in gl_texture_image + */ + GLuint level; + GLuint face; + + /* If intelImage->mt != NULL, image data is stored here. + * Else if intelImage->base.Data != NULL, image is stored there. + * Else there is no image data. + */ + struct intel_mipmap_tree *mt; +}; + + +#define INTEL_MAX_FIXUP 64 + +struct intel_context +{ + GLcontext ctx; /* the parent class */ + + GLint refcount; + GLuint Fallback; + GLuint NewGLState; + + struct _DriFenceObject *last_swap_fence; + struct _DriFenceObject *first_swap_fence; + + struct intel_batchbuffer *batch; + + struct + { + GLuint id; + GLuint primitive; + GLubyte *start_ptr; + void (*flush) (struct intel_context *); + } prim; + + GLboolean locked; + char *prevLockFile; + int prevLockLine; + + GLuint ClearColor565; + GLuint ClearColor8888; + + /* Offsets of fields within the current vertex: + */ + GLuint coloroffset; + GLuint specoffset; + GLuint wpos_offset; + GLuint wpos_size; + + struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX]; + GLuint vertex_attr_count; + + GLfloat polygon_offset_scale; /* dependent on depth_scale, bpp */ + + GLboolean hw_stipple; + GLboolean strict_conformance; + + /* AGP memory buffer manager: + */ + struct bufmgr *bm; + + + /* State for intelvb.c and inteltris.c. + */ + GLuint RenderIndex; + GLmatrix ViewportMatrix; + GLenum render_primitive; + GLenum reduced_primitive; + GLuint vertex_size; + GLubyte *verts; /* points to tnl->clipspace.vertex_buf */ + + + /* Fallback rasterization functions + */ + intel_point_func draw_point; + intel_line_func draw_line; + intel_tri_func draw_tri; + + /* These refer to the current drawing buffer: + */ + GLuint numClipRects; /**< cliprects for drawing */ + drm_clip_rect_t *pClipRects; + drm_clip_rect_t fboRect; /**< cliprect for rendering */ + + GLuint do_usleeps; + int do_irqs; + GLuint irqsEmitted; + drm_i915_irq_wait_t iw; + + drm_context_t hHWContext; + drmLock *driHwLock; + int driFd; + + __DRIdrawablePrivate *driDrawable; + __DRIscreenPrivate *driScreen; + intelScreenPrivate *intelScreen; + drmI830Sarea *sarea; + + GLuint lastStamp; + + /** + * Configuration cache + */ + driOptionCache optionCache; +}; + +/* These are functions now: + */ +void LOCK_HARDWARE( struct intel_context *intel ); +void UNLOCK_HARDWARE( struct intel_context *intel ); + +extern char *__progname; + + +#define SUBPIXEL_X 0.125 +#define SUBPIXEL_Y 0.125 + +#define INTEL_FIREVERTICES(intel) \ +do { \ + if ((intel)->prim.flush) \ + (intel)->prim.flush(intel); \ +} while (0) + +/* ================================================================ + * Color packing: + */ + +#define INTEL_PACKCOLOR4444(r,g,b,a) \ + ((((a) & 0xf0) << 8) | (((r) & 0xf0) << 4) | ((g) & 0xf0) | ((b) >> 4)) + +#define INTEL_PACKCOLOR1555(r,g,b,a) \ + ((((r) & 0xf8) << 7) | (((g) & 0xf8) << 2) | (((b) & 0xf8) >> 3) | \ + ((a) ? 0x8000 : 0)) + +#define INTEL_PACKCOLOR565(r,g,b) \ + ((((r) & 0xf8) << 8) | (((g) & 0xfc) << 3) | (((b) & 0xf8) >> 3)) + +#define INTEL_PACKCOLOR8888(r,g,b,a) \ + ((a<<24) | (r<<16) | (g<<8) | b) + + + +/* ================================================================ + * From linux kernel i386 header files, copes with odd sizes better + * than COPY_DWORDS would: + * XXX Put this in src/mesa/main/imports.h ??? + */ +#if defined(i386) || defined(__i386__) +static INLINE void * +__memcpy(void *to, const void *from, size_t n) +{ + int d0, d1, d2; + __asm__ __volatile__("rep ; movsl\n\t" + "testb $2,%b4\n\t" + "je 1f\n\t" + "movsw\n" + "1:\ttestb $1,%b4\n\t" + "je 2f\n\t" + "movsb\n" "2:":"=&c"(d0), "=&D"(d1), "=&S"(d2) + :"0"(n / 4), "q"(n), "1"((long) to), "2"((long) from) + :"memory"); + return (to); +} +#else +#define __memcpy(a,b,c) memcpy(a,b,c) +#endif + + + +/* ================================================================ + * Debugging: + */ +#define DO_DEBUG 0 +#if DO_DEBUG +extern int INTEL_DEBUG; +#else +#define INTEL_DEBUG 0 +#endif + +#define DEBUG_TEXTURE 0x1 +#define DEBUG_STATE 0x2 +#define DEBUG_IOCTL 0x4 +#define DEBUG_BLIT 0x8 +#define DEBUG_MIPTREE 0x10 +#define DEBUG_FALLBACKS 0x20 +#define DEBUG_VERBOSE 0x40 +#define DEBUG_BATCH 0x80 +#define DEBUG_PIXEL 0x100 +#define DEBUG_BUFMGR 0x200 +#define DEBUG_REGION 0x400 +#define DEBUG_FBO 0x800 +#define DEBUG_LOCK 0x1000 + +#define DBG(...) do { if (INTEL_DEBUG & FILE_DEBUG_FLAG) _mesa_printf(__VA_ARGS__); } while(0) + + +#define PCI_CHIP_845_G 0x2562 +#define PCI_CHIP_I830_M 0x3577 +#define PCI_CHIP_I855_GM 0x3582 +#define PCI_CHIP_I865_G 0x2572 +#define PCI_CHIP_I915_G 0x2582 +#define PCI_CHIP_I915_GM 0x2592 +#define PCI_CHIP_I945_G 0x2772 +#define PCI_CHIP_I945_GM 0x27A2 +#define PCI_CHIP_I945_GME 0x27AE +#define PCI_CHIP_G33_G 0x29C2 +#define PCI_CHIP_Q35_G 0x29B2 +#define PCI_CHIP_Q33_G 0x29D2 + + +/* ================================================================ + * intel_context.c: + */ + +extern GLboolean intelInitContext(struct intel_context *intel, + const __GLcontextModes * mesaVis, + __DRIcontextPrivate * driContextPriv, + void *sharedContextPrivate, + struct dd_function_table *functions); + +extern void intelGetLock(struct intel_context *intel, GLuint flags); + +extern void intelFinish(GLcontext * ctx); +extern void intelFlush(GLcontext * ctx); + +extern void intelInitDriverFunctions(struct dd_function_table *functions); + + +/* ================================================================ + * intel_state.c: + */ +extern void intelInitStateFuncs(struct dd_function_table *functions); + +#define COMPAREFUNC_ALWAYS 0 +#define COMPAREFUNC_NEVER 0x1 +#define COMPAREFUNC_LESS 0x2 +#define COMPAREFUNC_EQUAL 0x3 +#define COMPAREFUNC_LEQUAL 0x4 +#define COMPAREFUNC_GREATER 0x5 +#define COMPAREFUNC_NOTEQUAL 0x6 +#define COMPAREFUNC_GEQUAL 0x7 + +#define STENCILOP_KEEP 0 +#define STENCILOP_ZERO 0x1 +#define STENCILOP_REPLACE 0x2 +#define STENCILOP_INCRSAT 0x3 +#define STENCILOP_DECRSAT 0x4 +#define STENCILOP_INCR 0x5 +#define STENCILOP_DECR 0x6 +#define STENCILOP_INVERT 0x7 + +#define LOGICOP_CLEAR 0 +#define LOGICOP_NOR 0x1 +#define LOGICOP_AND_INV 0x2 +#define LOGICOP_COPY_INV 0x3 +#define LOGICOP_AND_RVRSE 0x4 +#define LOGICOP_INV 0x5 +#define LOGICOP_XOR 0x6 +#define LOGICOP_NAND 0x7 +#define LOGICOP_AND 0x8 +#define LOGICOP_EQUIV 0x9 +#define LOGICOP_NOOP 0xa +#define LOGICOP_OR_INV 0xb +#define LOGICOP_COPY 0xc +#define LOGICOP_OR_RVRSE 0xd +#define LOGICOP_OR 0xe +#define LOGICOP_SET 0xf + +#define BLENDFACT_ZERO 0x01 +#define BLENDFACT_ONE 0x02 +#define BLENDFACT_SRC_COLR 0x03 +#define BLENDFACT_INV_SRC_COLR 0x04 +#define BLENDFACT_SRC_ALPHA 0x05 +#define BLENDFACT_INV_SRC_ALPHA 0x06 +#define BLENDFACT_DST_ALPHA 0x07 +#define BLENDFACT_INV_DST_ALPHA 0x08 +#define BLENDFACT_DST_COLR 0x09 +#define BLENDFACT_INV_DST_COLR 0x0a +#define BLENDFACT_SRC_ALPHA_SATURATE 0x0b +#define BLENDFACT_CONST_COLOR 0x0c +#define BLENDFACT_INV_CONST_COLOR 0x0d +#define BLENDFACT_CONST_ALPHA 0x0e +#define BLENDFACT_INV_CONST_ALPHA 0x0f +#define BLENDFACT_MASK 0x0f + +#define MI_BATCH_BUFFER_END (0xA<<23) + + +extern int intel_translate_compare_func(GLenum func); +extern int intel_translate_stencil_op(GLenum op); +extern int intel_translate_blend_factor(GLenum factor); +extern int intel_translate_logic_op(GLenum opcode); + + +/*====================================================================== + * Inline conversion functions. + * These are better-typed than the macros used previously: + */ +static INLINE struct intel_context * +intel_context(GLcontext * ctx) +{ + return (struct intel_context *) ctx; +} + +static INLINE struct intel_texture_object * +intel_texture_object(struct gl_texture_object *obj) +{ + return (struct intel_texture_object *) obj; +} + +static INLINE struct intel_texture_image * +intel_texture_image(struct gl_texture_image *img) +{ + return (struct intel_texture_image *) img; +} + +extern struct intel_renderbuffer *intel_renderbuffer(struct gl_renderbuffer + *rb); + + +#endif diff --git a/src/mesa/drivers/dri/i915pipe/intel_depthstencil.c b/src/mesa/drivers/dri/i915pipe/intel_depthstencil.c new file mode 100644 index 0000000000..d269a85a3c --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_depthstencil.c @@ -0,0 +1,282 @@ +/************************************************************************** + * + * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#include "glheader.h" +#include "imports.h" +#include "context.h" +#include "depthstencil.h" +#include "fbobject.h" +#include "framebuffer.h" +#include "hash.h" +#include "mtypes.h" +#include "renderbuffer.h" + +#include "intel_context.h" +#include "intel_fbo.h" +#include "intel_depthstencil.h" +#include "intel_regions.h" + + +/** + * The GL_EXT_framebuffer_object allows the user to create their own + * framebuffer objects consisting of color renderbuffers (0 or more), + * depth renderbuffers (0 or 1) and stencil renderbuffers (0 or 1). + * + * The spec considers depth and stencil renderbuffers to be totally independent + * buffers. In reality, most graphics hardware today uses a combined + * depth+stencil buffer (one 32-bit pixel = 24 bits of Z + 8 bits of stencil). + * + * This causes difficulty because the user may create some number of depth + * renderbuffers and some number of stencil renderbuffers and bind them + * together in framebuffers in any combination. + * + * This code manages all that. + * + * 1. Depth renderbuffers are always allocated in hardware as 32bpp + * GL_DEPTH24_STENCIL8 buffers. + * + * 2. Stencil renderbuffers are initially allocated in software as 8bpp + * GL_STENCIL_INDEX8 buffers. + * + * 3. Depth and Stencil renderbuffers use the PairedStencil and PairedDepth + * fields (respectively) to indicate if the buffer's currently paired + * with another stencil or depth buffer (respectively). + * + * 4. When a depth and stencil buffer are initially both attached to the + * current framebuffer, we merge the stencil buffer values into the + * depth buffer (really a depth+stencil buffer). The then hardware uses + * the combined buffer. + * + * 5. Whenever a depth or stencil buffer is reallocated (with + * glRenderbufferStorage) we undo the pairing and copy the stencil values + * from the combined depth/stencil buffer back to the stencil-only buffer. + * + * 6. We also undo the pairing when we find a change in buffer bindings. + * + * 7. If a framebuffer is only using a depth renderbuffer (no stencil), we + * just use the combined depth/stencil buffer and ignore the stencil values. + * + * 8. If a framebuffer is only using a stencil renderbuffer (no depth) we have + * to promote the 8bpp software stencil buffer to a 32bpp hardware + * depth+stencil buffer. + * + */ + + + +static void +map_regions(GLcontext * ctx, + struct intel_renderbuffer *depthRb, + struct intel_renderbuffer *stencilRb) +{ + struct intel_context *intel = intel_context(ctx); + if (depthRb && depthRb->region) { + intel_region_map(intel->intelScreen, depthRb->region); + depthRb->pfMap = depthRb->region->map; + depthRb->pfPitch = depthRb->region->pitch; + } + if (stencilRb && stencilRb->region) { + intel_region_map(intel->intelScreen, stencilRb->region); + stencilRb->pfMap = stencilRb->region->map; + stencilRb->pfPitch = stencilRb->region->pitch; + } +} + +static void +unmap_regions(GLcontext * ctx, + struct intel_renderbuffer *depthRb, + struct intel_renderbuffer *stencilRb) +{ + struct intel_context *intel = intel_context(ctx); + if (depthRb && depthRb->region) { + intel_region_unmap(intel->intelScreen, depthRb->region); + depthRb->pfMap = NULL; + depthRb->pfPitch = 0; + } + if (stencilRb && stencilRb->region) { + intel_region_unmap(intel->intelScreen, stencilRb->region); + stencilRb->pfMap = NULL; + stencilRb->pfPitch = 0; + } +} + + + +/** + * Undo the pairing/interleaving between depth and stencil buffers. + * irb should be a depth/stencil or stencil renderbuffer. + */ +void +intel_unpair_depth_stencil(GLcontext * ctx, struct intel_renderbuffer *irb) +{ + if (irb->PairedStencil) { + /* irb is a depth/stencil buffer */ + struct gl_renderbuffer *stencilRb; + struct intel_renderbuffer *stencilIrb; + + ASSERT(irb->Base._ActualFormat == GL_DEPTH24_STENCIL8_EXT); + + stencilRb = _mesa_lookup_renderbuffer(ctx, irb->PairedStencil); + stencilIrb = intel_renderbuffer(stencilRb); + if (stencilIrb) { + /* need to extract stencil values from the depth buffer */ + ASSERT(stencilIrb->PairedDepth == irb->Base.Name); + map_regions(ctx, irb, stencilIrb); + _mesa_extract_stencil(ctx, &irb->Base, &stencilIrb->Base); + unmap_regions(ctx, irb, stencilIrb); + stencilIrb->PairedDepth = 0; + } + irb->PairedStencil = 0; + } + else if (irb->PairedDepth) { + /* irb is a stencil buffer */ + struct gl_renderbuffer *depthRb; + struct intel_renderbuffer *depthIrb; + + ASSERT(irb->Base._ActualFormat == GL_STENCIL_INDEX8_EXT || + irb->Base._ActualFormat == GL_DEPTH24_STENCIL8_EXT); + + depthRb = _mesa_lookup_renderbuffer(ctx, irb->PairedDepth); + depthIrb = intel_renderbuffer(depthRb); + if (depthIrb) { + /* need to extract stencil values from the depth buffer */ + ASSERT(depthIrb->PairedStencil == irb->Base.Name); + map_regions(ctx, depthIrb, irb); + _mesa_extract_stencil(ctx, &depthIrb->Base, &irb->Base); + unmap_regions(ctx, depthIrb, irb); + depthIrb->PairedStencil = 0; + } + irb->PairedDepth = 0; + } + else { + _mesa_problem(ctx, "Problem in undo_depth_stencil_pairing"); + } + + ASSERT(irb->PairedStencil == 0); + ASSERT(irb->PairedDepth == 0); +} + + +/** + * Examine the depth and stencil renderbuffers which are attached to the + * framebuffer. If both depth and stencil are attached, make sure that the + * renderbuffers are 'paired' (combined). If only depth or only stencil is + * attached, undo any previous pairing. + * + * Must be called if NewState & _NEW_BUFFER (when renderbuffer attachments + * change, for example). + */ +void +intel_validate_paired_depth_stencil(GLcontext * ctx, + struct gl_framebuffer *fb) +{ + struct intel_renderbuffer *depthRb, *stencilRb; + + depthRb = intel_get_renderbuffer(fb, BUFFER_DEPTH); + stencilRb = intel_get_renderbuffer(fb, BUFFER_STENCIL); + + if (depthRb && stencilRb) { + if (depthRb == stencilRb) { + /* Using a user-created combined depth/stencil buffer. + * Nothing to do. + */ + ASSERT(depthRb->Base._BaseFormat == GL_DEPTH_STENCIL_EXT); + ASSERT(depthRb->Base._ActualFormat == GL_DEPTH24_STENCIL8_EXT); + } + else { + /* Separate depth/stencil buffers, need to interleave now */ + ASSERT(depthRb->Base._BaseFormat == GL_DEPTH_COMPONENT); + ASSERT(stencilRb->Base._BaseFormat == GL_STENCIL_INDEX); + /* may need to interleave depth/stencil now */ + if (depthRb->PairedStencil == stencilRb->Base.Name) { + /* OK, the depth and stencil buffers are already interleaved */ + ASSERT(stencilRb->PairedDepth == depthRb->Base.Name); + } + else { + /* need to setup new pairing/interleaving */ + if (depthRb->PairedStencil) { + intel_unpair_depth_stencil(ctx, depthRb); + } + if (stencilRb->PairedDepth) { + intel_unpair_depth_stencil(ctx, stencilRb); + } + + ASSERT(depthRb->Base._ActualFormat == GL_DEPTH24_STENCIL8_EXT); + ASSERT(stencilRb->Base._ActualFormat == GL_STENCIL_INDEX8_EXT || + stencilRb->Base._ActualFormat == GL_DEPTH24_STENCIL8_EXT); + + /* establish new pairing: interleave stencil into depth buffer */ + map_regions(ctx, depthRb, stencilRb); + _mesa_insert_stencil(ctx, &depthRb->Base, &stencilRb->Base); + unmap_regions(ctx, depthRb, stencilRb); + depthRb->PairedStencil = stencilRb->Base.Name; + stencilRb->PairedDepth = depthRb->Base.Name; + } + + } + } + else if (depthRb) { + /* Depth buffer but no stencil buffer. + * We'll use a GL_DEPTH24_STENCIL8 buffer and ignore the stencil bits. + */ + /* can't assert this until storage is allocated: + ASSERT(depthRb->Base._ActualFormat == GL_DEPTH24_STENCIL8_EXT); + */ + /* intel_undo any previous pairing */ + if (depthRb->PairedStencil) { + intel_unpair_depth_stencil(ctx, depthRb); + } + } + else if (stencilRb) { + /* Stencil buffer but no depth buffer. + * Since h/w doesn't typically support just 8bpp stencil w/out Z, + * we'll use a GL_DEPTH24_STENCIL8 buffer and ignore the depth bits. + */ + /* undo any previous pairing */ + if (stencilRb->PairedDepth) { + intel_unpair_depth_stencil(ctx, stencilRb); + } + if (stencilRb->Base._ActualFormat == GL_STENCIL_INDEX8_EXT) { + /* promote buffer to GL_DEPTH24_STENCIL8 for hw rendering */ + _mesa_promote_stencil(ctx, &stencilRb->Base); + ASSERT(stencilRb->Base._ActualFormat == GL_DEPTH24_STENCIL8_EXT); + } + } + + /* Finally, update the fb->_DepthBuffer and fb->_StencilBuffer fields */ + _mesa_update_depth_buffer(ctx, fb, BUFFER_DEPTH); + if (depthRb && depthRb->PairedStencil) + _mesa_update_stencil_buffer(ctx, fb, BUFFER_DEPTH); + else + _mesa_update_stencil_buffer(ctx, fb, BUFFER_STENCIL); + + + /* The hardware should use fb->Attachment[BUFFER_DEPTH].Renderbuffer + * first, if present, then fb->Attachment[BUFFER_STENCIL].Renderbuffer + * if present. + */ +} diff --git a/src/mesa/drivers/dri/i915pipe/intel_depthstencil.h b/src/mesa/drivers/dri/i915pipe/intel_depthstencil.h new file mode 100644 index 0000000000..2d3fc48b3a --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_depthstencil.h @@ -0,0 +1,14 @@ + +#ifndef INTEL_DEPTH_STENCIL_H +#define INTEL_DEPTH_STENCIL_H + + +extern void +intel_unpair_depth_stencil(GLcontext * ctx, struct intel_renderbuffer *irb); + +extern void +intel_validate_paired_depth_stencil(GLcontext * ctx, + struct gl_framebuffer *fb); + + +#endif /* INTEL_DEPTH_STENCIL_H */ diff --git a/src/mesa/drivers/dri/i915pipe/intel_fbo.c b/src/mesa/drivers/dri/i915pipe/intel_fbo.c new file mode 100644 index 0000000000..a2a5c811b1 --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_fbo.c @@ -0,0 +1,623 @@ +/************************************************************************** + * + * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +#include "imports.h" +#include "mtypes.h" +#include "fbobject.h" +#include "framebuffer.h" +#include "renderbuffer.h" +#include "context.h" +#include "texformat.h" +#include "texrender.h" + +#include "intel_context.h" +#include "intel_buffers.h" +#include "intel_depthstencil.h" +#include "intel_fbo.h" +#include "intel_mipmap_tree.h" +#include "intel_regions.h" +#include "intel_span.h" + + +#define FILE_DEBUG_FLAG DEBUG_FBO + +#define INTEL_RB_CLASS 0x12345678 + + +/* XXX FBO: move this to intel_context.h (inlined) */ +/** + * Return a gl_renderbuffer ptr casted to intel_renderbuffer. + * NULL will be returned if the rb isn't really an intel_renderbuffer. + * This is determiend by checking the ClassID. + */ +struct intel_renderbuffer * +intel_renderbuffer(struct gl_renderbuffer *rb) +{ + struct intel_renderbuffer *irb = (struct intel_renderbuffer *) rb; + if (irb && irb->Base.ClassID == INTEL_RB_CLASS) { + /*_mesa_warning(NULL, "Returning non-intel Rb\n");*/ + return irb; + } + else + return NULL; +} + + +struct intel_renderbuffer * +intel_get_renderbuffer(struct gl_framebuffer *fb, GLuint attIndex) +{ + return intel_renderbuffer(fb->Attachment[attIndex].Renderbuffer); +} + + +void +intel_flip_renderbuffers(struct intel_framebuffer *intel_fb) +{ + int current_page = intel_fb->pf_current_page; + int next_page = (current_page + 1) % intel_fb->pf_num_pages; + struct gl_renderbuffer *tmp_rb; + + /* Exchange renderbuffers if necessary but make sure their reference counts + * are preserved. + */ + if (intel_fb->color_rb[current_page] && + intel_fb->Base.Attachment[BUFFER_FRONT_LEFT].Renderbuffer != + &intel_fb->color_rb[current_page]->Base) { + tmp_rb = NULL; + _mesa_reference_renderbuffer(&tmp_rb, + intel_fb->Base.Attachment[BUFFER_FRONT_LEFT].Renderbuffer); + tmp_rb = &intel_fb->color_rb[current_page]->Base; + _mesa_reference_renderbuffer( + &intel_fb->Base.Attachment[BUFFER_FRONT_LEFT].Renderbuffer, tmp_rb); + _mesa_reference_renderbuffer(&tmp_rb, NULL); + } + + if (intel_fb->color_rb[next_page] && + intel_fb->Base.Attachment[BUFFER_BACK_LEFT].Renderbuffer != + &intel_fb->color_rb[next_page]->Base) { + tmp_rb = NULL; + _mesa_reference_renderbuffer(&tmp_rb, + intel_fb->Base.Attachment[BUFFER_BACK_LEFT].Renderbuffer); + tmp_rb = &intel_fb->color_rb[next_page]->Base; + _mesa_reference_renderbuffer( + &intel_fb->Base.Attachment[BUFFER_BACK_LEFT].Renderbuffer, tmp_rb); + _mesa_reference_renderbuffer(&tmp_rb, NULL); + } +} + + +struct intel_region * +intel_get_rb_region(struct gl_framebuffer *fb, GLuint attIndex) +{ + struct intel_renderbuffer *irb = intel_get_renderbuffer(fb, attIndex); + + if (irb) + return irb->region; + else + return NULL; +} + + + +/** + * Create a new framebuffer object. + */ +static struct gl_framebuffer * +intel_new_framebuffer(GLcontext * ctx, GLuint name) +{ + /* Only drawable state in intel_framebuffer at this time, just use Mesa's + * class + */ + return _mesa_new_framebuffer(ctx, name); +} + + +static void +intel_delete_renderbuffer(struct gl_renderbuffer *rb) +{ + GET_CURRENT_CONTEXT(ctx); + struct intel_context *intel = intel_context(ctx); + struct intel_renderbuffer *irb = intel_renderbuffer(rb); + + ASSERT(irb); + + DBG("freeing renderbuffer\n"); + + if (irb->PairedStencil || irb->PairedDepth) { + intel_unpair_depth_stencil(ctx, irb); + } + + if (intel && irb->region) { + intel_region_release(&irb->region); + } + + _mesa_free(irb); +} + + + +/** + * Return a pointer to a specific pixel in a renderbuffer. + */ +static void * +intel_get_pointer(GLcontext * ctx, struct gl_renderbuffer *rb, + GLint x, GLint y) +{ + /* By returning NULL we force all software rendering to go through + * the span routines. + */ + return NULL; +} + + + +/** + * Called via glRenderbufferStorageEXT() to set the format and allocate + * storage for a user-created (or priv buffer) renderbuffer. + */ +static GLboolean +intel_alloc_renderbuffer_storage(GLcontext * ctx, struct gl_renderbuffer *rb, + GLenum internalFormat, + GLuint width, GLuint height) +{ + struct intel_context *intel = intel_context(ctx); + struct intel_renderbuffer *irb = intel_renderbuffer(rb); + GLboolean softwareBuffer = GL_FALSE; + int cpp; + + switch (internalFormat) { + case GL_R3_G3_B2: + case GL_RGB4: + case GL_RGB5: + rb->_ActualFormat = GL_RGB5; + rb->DataType = GL_UNSIGNED_BYTE; + rb->RedBits = 5; + rb->GreenBits = 6; + rb->BlueBits = 5; + cpp = 2; + break; + case GL_RGB: + case GL_RGB8: + case GL_RGB10: + case GL_RGB12: + case GL_RGB16: + case GL_RGBA: + case GL_RGBA2: + case GL_RGBA4: + case GL_RGB5_A1: + case GL_RGBA8: + case GL_RGB10_A2: + case GL_RGBA12: + case GL_RGBA16: + rb->_ActualFormat = GL_RGBA8; + rb->DataType = GL_UNSIGNED_BYTE; + rb->RedBits = 8; + rb->GreenBits = 8; + rb->BlueBits = 8; + rb->AlphaBits = 8; + cpp = 4; + break; + case GL_STENCIL_INDEX: + case GL_STENCIL_INDEX1_EXT: + case GL_STENCIL_INDEX4_EXT: + case GL_STENCIL_INDEX8_EXT: + case GL_STENCIL_INDEX16_EXT: + /* alloc a depth+stencil buffer */ + rb->_ActualFormat = GL_DEPTH24_STENCIL8_EXT; + rb->DataType = GL_UNSIGNED_INT_24_8_EXT; + rb->StencilBits = 8; + cpp = 4; + break; + case GL_DEPTH_COMPONENT16: + rb->_ActualFormat = GL_DEPTH_COMPONENT16; + rb->DataType = GL_UNSIGNED_SHORT; + rb->DepthBits = 16; + cpp = 2; + break; + case GL_DEPTH_COMPONENT: + case GL_DEPTH_COMPONENT24: + case GL_DEPTH_COMPONENT32: + rb->_ActualFormat = GL_DEPTH24_STENCIL8_EXT; + rb->DataType = GL_UNSIGNED_INT_24_8_EXT; + rb->DepthBits = 24; + cpp = 4; + break; + case GL_DEPTH_STENCIL_EXT: + case GL_DEPTH24_STENCIL8_EXT: + rb->_ActualFormat = GL_DEPTH24_STENCIL8_EXT; + rb->DataType = GL_UNSIGNED_INT_24_8_EXT; + rb->DepthBits = 24; + rb->StencilBits = 8; + cpp = 4; + break; + default: + _mesa_problem(ctx, + "Unexpected format (%x) in intel_alloc_renderbuffer_storage", internalFormat); + return GL_FALSE; + } + + intelFlush(ctx); + + /* free old region */ + if (irb->region) { + intel_region_release(&irb->region); + } + + /* allocate new memory region/renderbuffer */ + if (softwareBuffer) { + return _mesa_soft_renderbuffer_storage(ctx, rb, internalFormat, + width, height); + } + else { + /* Choose a pitch to match hardware requirements: + */ + GLuint pitch = ((cpp * width + 63) & ~63) / cpp; + + /* alloc hardware renderbuffer */ + DBG("Allocating %d x %d Intel RBO (pitch %d)\n", width, + height, pitch); + + irb->region = intel_region_alloc(intel->intelScreen, cpp, pitch, height); + if (!irb->region) + return GL_FALSE; /* out of memory? */ + + ASSERT(irb->region->buffer); + + rb->Width = width; + rb->Height = height; + +#if 1 + /* update the surface's size too */ + rb->surface->width = width; + rb->surface->height = height; +#endif + + /* This sets the Get/PutRow/Value functions */ + intel_set_span_functions(&irb->Base); + + return GL_TRUE; + } +} + + +static void +intel_resize_buffers(GLcontext *ctx, struct gl_framebuffer *fb, + GLuint width, GLuint height) +{ + struct intel_framebuffer *intel_fb = (struct intel_framebuffer*)fb; + int i; + + _mesa_resize_framebuffer(ctx, fb, width, height); + + fb->Initialized = GL_TRUE; /* XXX remove someday */ + + if (fb->Name != 0) { + return; + } + + /* Make sure all window system renderbuffers are up to date */ + for (i = 0; i < 3; i++) { + struct gl_renderbuffer *rb = &intel_fb->color_rb[i]->Base; + + /* only resize if size is changing */ + if (rb && (rb->Width != width || rb->Height != height)) { + rb->AllocStorage(ctx, rb, rb->InternalFormat, width, height); + } + } +} + +static GLboolean +intel_nop_alloc_storage(GLcontext * ctx, struct gl_renderbuffer *rb, + GLenum internalFormat, GLuint width, GLuint height) +{ + _mesa_problem(ctx, "intel_op_alloc_storage should never be called."); + return GL_FALSE; +} + + + +struct intel_renderbuffer * +intel_new_renderbuffer_fb(GLuint intFormat) +{ + struct intel_renderbuffer *irb; + + irb = CALLOC_STRUCT(intel_renderbuffer); + if (!irb) { + _mesa_error(NULL, GL_OUT_OF_MEMORY, "creating renderbuffer"); + return NULL; + } + + _mesa_init_renderbuffer(&irb->Base, 0); + irb->Base.ClassID = INTEL_RB_CLASS; + irb->Base.InternalFormat = intFormat; + + switch (intFormat) { + case GL_RGB5: + case GL_RGBA8: + irb->Base._BaseFormat = GL_RGBA; + break; + case GL_DEPTH_COMPONENT16: + irb->Base._BaseFormat = GL_DEPTH_COMPONENT; + break; + case GL_DEPTH24_STENCIL8_EXT: + irb->Base._BaseFormat = GL_DEPTH_STENCIL_EXT; + break; + default: + _mesa_problem(NULL, + "Unexpected intFormat in intel_create_renderbuffer"); + return NULL; + } + + /* intel-specific methods */ + irb->Base.Delete = intel_delete_renderbuffer; + irb->Base.AllocStorage = intel_alloc_renderbuffer_storage; + irb->Base.GetPointer = intel_get_pointer; + /* span routines set in alloc_storage function */ + + irb->Base.surface = intel_new_surface(intFormat); + irb->Base.surface->rb = irb; + + return &irb->Base; +} + +/** + * Create a new renderbuffer object. + * Typically called via glBindRenderbufferEXT(). + */ +static struct gl_renderbuffer * +intel_new_renderbuffer(GLcontext * ctx, GLuint name) +{ + /*struct intel_context *intel = intel_context(ctx); */ + struct intel_renderbuffer *irb; + + irb = CALLOC_STRUCT(intel_renderbuffer); + if (!irb) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "creating renderbuffer"); + return NULL; + } + + _mesa_init_renderbuffer(&irb->Base, name); + irb->Base.ClassID = INTEL_RB_CLASS; + + /* intel-specific methods */ + irb->Base.Delete = intel_delete_renderbuffer; + irb->Base.AllocStorage = intel_alloc_renderbuffer_storage; + irb->Base.GetPointer = intel_get_pointer; + /* span routines set in alloc_storage function */ + + irb->Base.surface = intel_new_surface(0 /*unknown format*/); + irb->Base.surface->rb = irb; + + return &irb->Base; +} + + +/** + * Called via glBindFramebufferEXT(). + */ +static void +intel_bind_framebuffer(GLcontext * ctx, GLenum target, + struct gl_framebuffer *fb, struct gl_framebuffer *fbread) +{ + if (target == GL_FRAMEBUFFER_EXT || target == GL_DRAW_FRAMEBUFFER_EXT) { + intel_draw_buffer(ctx, fb); + /* Integer depth range depends on depth buffer bits */ + /* XXX + */ +// ctx->Driver.DepthRange(ctx, ctx->Viewport.Near, ctx->Viewport.Far); + } + else { + /* don't need to do anything if target == GL_READ_FRAMEBUFFER_EXT */ + } +} + + +/** + * Called via glFramebufferRenderbufferEXT(). + */ +static void +intel_framebuffer_renderbuffer(GLcontext * ctx, + struct gl_framebuffer *fb, + GLenum attachment, struct gl_renderbuffer *rb) +{ + DBG("Intel FramebufferRenderbuffer %u %u\n", fb->Name, rb ? rb->Name : 0); + + intelFlush(ctx); + + _mesa_framebuffer_renderbuffer(ctx, fb, attachment, rb); + intel_draw_buffer(ctx, fb); +} + + +/** + * When glFramebufferTexture[123]D is called this function sets up the + * gl_renderbuffer wrapper around the texture image. + * This will have the region info needed for hardware rendering. + */ +static struct intel_renderbuffer * +intel_wrap_texture(GLcontext * ctx, struct gl_texture_image *texImage) +{ + const GLuint name = ~0; /* not significant, but distinct for debugging */ + struct intel_renderbuffer *irb; + + /* make an intel_renderbuffer to wrap the texture image */ + irb = CALLOC_STRUCT(intel_renderbuffer); + if (!irb) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glFramebufferTexture"); + return NULL; + } + + _mesa_init_renderbuffer(&irb->Base, name); + irb->Base.ClassID = INTEL_RB_CLASS; + + if (texImage->TexFormat == &_mesa_texformat_argb8888) { + irb->Base._ActualFormat = GL_RGBA8; + irb->Base._BaseFormat = GL_RGBA; + DBG("Render to RGBA8 texture OK\n"); + } + else if (texImage->TexFormat == &_mesa_texformat_rgb565) { + irb->Base._ActualFormat = GL_RGB5; + irb->Base._BaseFormat = GL_RGB; + DBG("Render to RGB5 texture OK\n"); + } + else if (texImage->TexFormat == &_mesa_texformat_z16) { + irb->Base._ActualFormat = GL_DEPTH_COMPONENT16; + irb->Base._BaseFormat = GL_DEPTH_COMPONENT; + DBG("Render to DEPTH16 texture OK\n"); + } + else { + DBG("Render to texture BAD FORMAT %d\n", + texImage->TexFormat->MesaFormat); + _mesa_free(irb); + return NULL; + } + + irb->Base.InternalFormat = irb->Base._ActualFormat; + irb->Base.Width = texImage->Width; + irb->Base.Height = texImage->Height; + irb->Base.DataType = GL_UNSIGNED_BYTE; /* FBO XXX fix */ + irb->Base.RedBits = texImage->TexFormat->RedBits; + irb->Base.GreenBits = texImage->TexFormat->GreenBits; + irb->Base.BlueBits = texImage->TexFormat->BlueBits; + irb->Base.AlphaBits = texImage->TexFormat->AlphaBits; + irb->Base.DepthBits = texImage->TexFormat->DepthBits; + + irb->Base.Delete = intel_delete_renderbuffer; + irb->Base.AllocStorage = intel_nop_alloc_storage; + intel_set_span_functions(&irb->Base); + + irb->RenderToTexture = GL_TRUE; + + return irb; +} + + +/** + * Called by glFramebufferTexture[123]DEXT() (and other places) to + * prepare for rendering into texture memory. This might be called + * many times to choose different texture levels, cube faces, etc + * before intel_finish_render_texture() is ever called. + */ +static void +intel_render_texture(GLcontext * ctx, + struct gl_framebuffer *fb, + struct gl_renderbuffer_attachment *att) +{ + struct gl_texture_image *newImage + = att->Texture->Image[att->CubeMapFace][att->TextureLevel]; + struct intel_renderbuffer *irb = intel_renderbuffer(att->Renderbuffer); + struct intel_texture_image *intel_image; + GLuint imageOffset; + + (void) fb; + + ASSERT(newImage); + + if (!irb) { + irb = intel_wrap_texture(ctx, newImage); + if (irb) { + /* bind the wrapper to the attachment point */ + _mesa_reference_renderbuffer(&att->Renderbuffer, &irb->Base); + } + else { + /* fallback to software rendering */ + _mesa_render_texture(ctx, fb, att); + return; + } + } + + DBG("Begin render texture tid %x tex=%u w=%d h=%d refcount=%d\n", + _glthread_GetID(), + att->Texture->Name, newImage->Width, newImage->Height, + irb->Base.RefCount); + + /* point the renderbufer's region to the texture image region */ + intel_image = intel_texture_image(newImage); + if (irb->region != intel_image->mt->region) { + if (irb->region) + intel_region_release(&irb->region); + intel_region_reference(&irb->region, intel_image->mt->region); + } + + /* compute offset of the particular 2D image within the texture region */ + imageOffset = intel_miptree_image_offset(intel_image->mt, + att->CubeMapFace, + att->TextureLevel); + + if (att->Texture->Target == GL_TEXTURE_3D) { + const GLuint *offsets = intel_miptree_depth_offsets(intel_image->mt, + att->TextureLevel); + imageOffset += offsets[att->Zoffset]; + } + + /* store that offset in the region */ + intel_image->mt->region->draw_offset = imageOffset; + + /* update drawing region, etc */ + intel_draw_buffer(ctx, fb); +} + + +/** + * Called by Mesa when rendering to a texture is done. + */ +static void +intel_finish_render_texture(GLcontext * ctx, + struct gl_renderbuffer_attachment *att) +{ + struct intel_renderbuffer *irb = intel_renderbuffer(att->Renderbuffer); + + DBG("End render texture (tid %x) tex %u\n", _glthread_GetID(), att->Texture->Name); + + if (irb) { + /* just release the region */ + intel_region_release(&irb->region); + } + else if (att->Renderbuffer) { + /* software fallback */ + _mesa_finish_render_texture(ctx, att); + /* XXX FBO: Need to unmap the buffer (or in intelSpanRenderStart???) */ + } +} + + +/** + * Do one-time context initializations related to GL_EXT_framebuffer_object. + * Hook in device driver functions. + */ +void +intel_fbo_init(struct intel_context *intel) +{ + intel->ctx.Driver.NewFramebuffer = intel_new_framebuffer; + intel->ctx.Driver.NewRenderbuffer = intel_new_renderbuffer; + intel->ctx.Driver.BindFramebuffer = intel_bind_framebuffer; + intel->ctx.Driver.FramebufferRenderbuffer = intel_framebuffer_renderbuffer; + intel->ctx.Driver.RenderTexture = intel_render_texture; + intel->ctx.Driver.FinishRenderTexture = intel_finish_render_texture; + intel->ctx.Driver.ResizeBuffers = intel_resize_buffers; +} diff --git a/src/mesa/drivers/dri/i915pipe/intel_fbo.h b/src/mesa/drivers/dri/i915pipe/intel_fbo.h new file mode 100644 index 0000000000..7dc3967533 --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_fbo.h @@ -0,0 +1,127 @@ +/************************************************************************** + * + * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef INTEL_FBO_H +#define INTEL_FBO_H + + +#include "pipe/p_state.h" +#include "pipe/softpipe/sp_surface.h" + + +struct intel_context; +struct intel_region; + + +/** + * Intel framebuffer, derived from gl_framebuffer. + */ +struct intel_framebuffer +{ + struct gl_framebuffer Base; + + struct intel_renderbuffer *color_rb[3]; + + /* Drawable page flipping state */ + GLboolean pf_active; + GLuint pf_seq; + GLint pf_pipes; + GLint pf_current_page; + GLint pf_num_pages; + + /* VBI + */ + GLuint vbl_seq; + GLuint vblank_flags; + GLuint vbl_waited; + + int64_t swap_ust; + int64_t swap_missed_ust; + + GLuint swap_count; + GLuint swap_missed_count; +}; + + +/** + * Intel renderbuffer, derived from gl_renderbuffer. + * Note: The PairedDepth and PairedStencil fields use renderbuffer IDs, + * not pointers because in some circumstances a deleted renderbuffer could + * result in a dangling pointer here. + */ +struct intel_renderbuffer +{ + struct gl_renderbuffer Base; + struct intel_region *region; + void *pfMap; /* possibly paged flipped map pointer */ + GLuint pfPitch; /* possibly paged flipped pitch */ + GLboolean RenderToTexture; /* RTT? */ + + GLuint PairedDepth; /**< only used if this is a depth renderbuffer */ + GLuint PairedStencil; /**< only used if this is a stencil renderbuffer */ + + GLuint pf_pending; /**< sequence number of pending flip */ + + GLuint vbl_pending; /**< vblank sequence number of pending flip */ + + struct intel_surface *surface; +}; + +#if 0 +extern struct intel_renderbuffer *intel_create_renderbuffer(GLenum intFormat, + GLsizei width, + GLsizei height, + int offset, + int pitch, + int cpp, + void *map); +#endif + +extern struct intel_renderbuffer *intel_new_renderbuffer_fb(GLuint intFormat); + +extern void intel_fbo_init(struct intel_context *intel); + + +/* XXX make inline or macro */ +extern struct intel_renderbuffer *intel_get_renderbuffer(struct gl_framebuffer + *fb, + GLuint attIndex); + +extern void intel_flip_renderbuffers(struct intel_framebuffer *intel_fb); + + +/* XXX make inline or macro */ +extern struct intel_region *intel_get_rb_region(struct gl_framebuffer *fb, + GLuint attIndex); + + + +extern struct pipe_surface * +intel_new_surface(GLuint intFormat); + + +#endif /* INTEL_FBO_H */ diff --git a/src/mesa/drivers/dri/i915pipe/intel_ioctl.c b/src/mesa/drivers/dri/i915pipe/intel_ioctl.c new file mode 100644 index 0000000000..e349a3ecd9 --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_ioctl.c @@ -0,0 +1,137 @@ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +#include <stdio.h> +#include <unistd.h> +#include <errno.h> +#include <sched.h> + +#include "mtypes.h" +#include "context.h" +#include "swrast/swrast.h" + +#include "intel_context.h" +#include "intel_ioctl.h" +#include "intel_batchbuffer.h" +#include "intel_blit.h" +#include "intel_regions.h" +#include "drm.h" + +#define FILE_DEBUG_FLAG DEBUG_IOCTL + +int +intelEmitIrqLocked(struct intel_context *intel) +{ + drmI830IrqEmit ie; + int ret, seq; + + assert(((*(int *) intel->driHwLock) & ~DRM_LOCK_CONT) == + (DRM_LOCK_HELD | intel->hHWContext)); + + ie.irq_seq = &seq; + + ret = drmCommandWriteRead(intel->driFd, DRM_I830_IRQ_EMIT, + &ie, sizeof(ie)); + if (ret) { + fprintf(stderr, "%s: drmI830IrqEmit: %d\n", __FUNCTION__, ret); + exit(1); + } + + DBG("%s --> %d\n", __FUNCTION__, seq); + + return seq; +} + +void +intelWaitIrq(struct intel_context *intel, int seq) +{ + int ret; + + DBG("%s %d\n", __FUNCTION__, seq); + + intel->iw.irq_seq = seq; + + do { + ret = + drmCommandWrite(intel->driFd, DRM_I830_IRQ_WAIT, &intel->iw, + sizeof(intel->iw)); + } while (ret == -EAGAIN || ret == -EINTR); + + if (ret) { + fprintf(stderr, "%s: drmI830IrqWait: %d\n", __FUNCTION__, ret); + exit(1); + } +} + + +void +intel_batch_ioctl(struct intel_context *intel, + GLuint start_offset, + GLuint used, + GLboolean ignore_cliprects, GLboolean allow_unlock) +{ + drmI830BatchBuffer batch; + + assert(intel->locked); + assert(used); + + DBG("%s used %d offset %x..%x ignore_cliprects %d\n", + __FUNCTION__, + used, start_offset, start_offset + used, ignore_cliprects); + + /* Throw away non-effective packets. Won't work once we have + * hardware contexts which would preserve statechanges beyond a + * single buffer. + */ + + + + batch.start = start_offset; + batch.used = used; + batch.cliprects = intel->pClipRects; + batch.num_cliprects = ignore_cliprects ? 0 : intel->numClipRects; + batch.DR1 = 0; + batch.DR4 = 0; /* still need this ? */ + + DBG("%s: 0x%x..0x%x DR4: %x cliprects: %d\n", + __FUNCTION__, + batch.start, + batch.start + batch.used * 4, batch.DR4, batch.num_cliprects); + + if (drmCommandWrite(intel->driFd, DRM_I830_BATCHBUFFER, &batch, + sizeof(batch))) { + fprintf(stderr, "DRM_I830_BATCHBUFFER: %d\n", -errno); + UNLOCK_HARDWARE(intel); + exit(1); + } + + /* FIXME: use hardware contexts to avoid 'losing' hardware after + * each buffer flush. + */ + //intel->vtbl.lost_hardware(intel); +} diff --git a/src/mesa/drivers/dri/i915pipe/intel_ioctl.h b/src/mesa/drivers/dri/i915pipe/intel_ioctl.h new file mode 100644 index 0000000000..e8d07de893 --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_ioctl.h @@ -0,0 +1,40 @@ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef INTEL_IOCTL_H +#define INTEL_IOCTL_H + +#include "intel_context.h" + +void intelWaitIrq(struct intel_context *intel, int seq); +int intelEmitIrqLocked(struct intel_context *intel); + +void intel_batch_ioctl(struct intel_context *intel, + GLuint start_offset, + GLuint used, + GLboolean ignore_cliprects, GLboolean allow_unlock); +#endif diff --git a/src/mesa/drivers/dri/i915pipe/intel_mipmap_tree.c b/src/mesa/drivers/dri/i915pipe/intel_mipmap_tree.c new file mode 100644 index 0000000000..88a9277427 --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_mipmap_tree.c @@ -0,0 +1,358 @@ +/************************************************************************** + * + * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#include "intel_context.h" +#include "intel_mipmap_tree.h" +#include "intel_regions.h" +#include "enums.h" + +#define FILE_DEBUG_FLAG DEBUG_MIPTREE + +static GLenum +target_to_target(GLenum target) +{ + switch (target) { + case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB: + case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB: + case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB: + return GL_TEXTURE_CUBE_MAP_ARB; + default: + return target; + } +} + +struct intel_mipmap_tree * +intel_miptree_create(struct intel_context *intel, + GLenum target, + GLenum internal_format, + GLuint first_level, + GLuint last_level, + GLuint width0, + GLuint height0, + GLuint depth0, GLuint cpp, GLuint compress_byte) +{ + GLboolean ok; + struct intel_mipmap_tree *mt = calloc(sizeof(*mt), 1); + + DBG("%s target %s format %s level %d..%d\n", __FUNCTION__, + _mesa_lookup_enum_by_nr(target), + _mesa_lookup_enum_by_nr(internal_format), first_level, last_level); + + mt->target = target_to_target(target); + mt->internal_format = internal_format; + mt->first_level = first_level; + mt->last_level = last_level; + mt->width0 = width0; + mt->height0 = height0; + mt->depth0 = depth0; + mt->cpp = compress_byte ? compress_byte : cpp; + mt->compressed = compress_byte ? 1 : 0; + mt->refcount = 1; + + switch (intel->intelScreen->deviceID) { + case PCI_CHIP_I945_G: + case PCI_CHIP_I945_GM: + case PCI_CHIP_I945_GME: + case PCI_CHIP_G33_G: + case PCI_CHIP_Q33_G: + case PCI_CHIP_Q35_G: +// ok = i945_miptree_layout(mt); + break; + case PCI_CHIP_I915_G: + case PCI_CHIP_I915_GM: + case PCI_CHIP_I830_M: + case PCI_CHIP_I855_GM: + case PCI_CHIP_I865_G: + default: + /* All the i830 chips and the i915 use this layout: + */ +// ok = i915_miptree_layout(mt); + break; + } + + ok = 0; /* TODO */ + + if (ok) + mt->region = intel_region_alloc(intel->intelScreen, + mt->cpp, mt->pitch, mt->total_height); + + if (!mt->region) { + free(mt); + return NULL; + } + + return mt; +} + + +void +intel_miptree_reference(struct intel_mipmap_tree **dst, + struct intel_mipmap_tree *src) +{ + src->refcount++; + *dst = src; + DBG("%s %p refcount now %d\n", __FUNCTION__, src, src->refcount); +} + +void +intel_miptree_release(struct intel_context *intel, + struct intel_mipmap_tree **mt) +{ + if (!*mt) + return; + + DBG("%s %p refcount will be %d\n", __FUNCTION__, *mt, (*mt)->refcount - 1); + if (--(*mt)->refcount <= 0) { + GLuint i; + + DBG("%s deleting %p\n", __FUNCTION__, *mt); + + intel_region_release(&((*mt)->region)); + + for (i = 0; i < MAX_TEXTURE_LEVELS; i++) + if ((*mt)->level[i].image_offset) + free((*mt)->level[i].image_offset); + + free(*mt); + } + *mt = NULL; +} + + + + +/* Can the image be pulled into a unified mipmap tree. This mirrors + * the completeness test in a lot of ways. + * + * Not sure whether I want to pass gl_texture_image here. + */ +GLboolean +intel_miptree_match_image(struct intel_mipmap_tree *mt, + struct gl_texture_image *image, + GLuint face, GLuint level) +{ + /* Images with borders are never pulled into mipmap trees. + */ + if (image->Border) + return GL_FALSE; + + if (image->InternalFormat != mt->internal_format || + image->IsCompressed != mt->compressed) + return GL_FALSE; + + /* Test image dimensions against the base level image adjusted for + * minification. This will also catch images not present in the + * tree, changed targets, etc. + */ + if (image->Width != mt->level[level].width || + image->Height != mt->level[level].height || + image->Depth != mt->level[level].depth) + return GL_FALSE; + + return GL_TRUE; +} + + +void +intel_miptree_set_level_info(struct intel_mipmap_tree *mt, + GLuint level, + GLuint nr_images, + GLuint x, GLuint y, GLuint w, GLuint h, GLuint d) +{ + + mt->level[level].width = w; + mt->level[level].height = h; + mt->level[level].depth = d; + mt->level[level].level_offset = (x + y * mt->pitch) * mt->cpp; + mt->level[level].nr_images = nr_images; + + DBG("%s level %d size: %d,%d,%d offset %d,%d (0x%x)\n", __FUNCTION__, + level, w, h, d, x, y, mt->level[level].level_offset); + + /* Not sure when this would happen, but anyway: + */ + if (mt->level[level].image_offset) { + free(mt->level[level].image_offset); + mt->level[level].image_offset = NULL; + } + + assert(nr_images); + + mt->level[level].image_offset = malloc(nr_images * sizeof(GLuint)); + mt->level[level].image_offset[0] = 0; +} + + + +void +intel_miptree_set_image_offset(struct intel_mipmap_tree *mt, + GLuint level, GLuint img, GLuint x, GLuint y) +{ + if (img == 0 && level == 0) + assert(x == 0 && y == 0); + + assert(img < mt->level[level].nr_images); + + mt->level[level].image_offset[img] = (x + y * mt->pitch); + + DBG("%s level %d img %d pos %d,%d image_offset %x\n", + __FUNCTION__, level, img, x, y, mt->level[level].image_offset[img]); +} + + +/* Although we use the image_offset[] array to store relative offsets + * to cube faces, Mesa doesn't know anything about this and expects + * each cube face to be treated as a separate image. + * + * These functions present that view to mesa: + */ +const GLuint * +intel_miptree_depth_offsets(struct intel_mipmap_tree *mt, GLuint level) +{ + static const GLuint zero = 0; + + if (mt->target != GL_TEXTURE_3D || mt->level[level].nr_images == 1) + return &zero; + else + return mt->level[level].image_offset; +} + + +GLuint +intel_miptree_image_offset(struct intel_mipmap_tree * mt, + GLuint face, GLuint level) +{ + if (mt->target == GL_TEXTURE_CUBE_MAP_ARB) + return (mt->level[level].level_offset + + mt->level[level].image_offset[face] * mt->cpp); + else + return mt->level[level].level_offset; +} + + + +/** + * Map a teximage in a mipmap tree. + * \param row_stride returns row stride in bytes + * \param image_stride returns image stride in bytes (for 3D textures). + * \return address of mapping + */ +GLubyte * +intel_miptree_image_map(struct intel_context * intel, + struct intel_mipmap_tree * mt, + GLuint face, + GLuint level, + GLuint * row_stride, GLuint * image_offsets) +{ + DBG("%s \n", __FUNCTION__); + + if (row_stride) + *row_stride = mt->pitch * mt->cpp; + + if (image_offsets) + memcpy(image_offsets, mt->level[level].image_offset, + mt->level[level].depth * sizeof(GLuint)); + + return (intel_region_map(intel->intelScreen, mt->region) + + intel_miptree_image_offset(mt, face, level)); +} + +void +intel_miptree_image_unmap(struct intel_context *intel, + struct intel_mipmap_tree *mt) +{ + DBG("%s\n", __FUNCTION__); + intel_region_unmap(intel->intelScreen, mt->region); +} + + + +/* Upload data for a particular image. + */ +void +intel_miptree_image_data(struct intel_context *intel, + struct intel_mipmap_tree *dst, + GLuint face, + GLuint level, + void *src, + GLuint src_row_pitch, GLuint src_image_pitch) +{ + GLuint depth = dst->level[level].depth; + GLuint dst_offset = intel_miptree_image_offset(dst, face, level); + const GLuint *dst_depth_offset = intel_miptree_depth_offsets(dst, level); + GLuint i; + GLuint height = 0; + + DBG("%s\n", __FUNCTION__); + for (i = 0; i < depth; i++) { + height = dst->level[level].height; + if(dst->compressed) + height /= 4; + intel_region_data(intel->intelScreen, dst->region, + dst_offset + dst_depth_offset[i], /* dst_offset */ + 0, 0, /* dstx, dsty */ + src, + src_row_pitch, + 0, 0, /* source x, y */ + dst->level[level].width, height); /* width, height */ + + src += src_image_pitch * dst->cpp; + } +} + +/* Copy mipmap image between trees + */ +void +intel_miptree_image_copy(struct intel_context *intel, + struct intel_mipmap_tree *dst, + GLuint face, GLuint level, + struct intel_mipmap_tree *src) +{ + GLuint width = src->level[level].width; + GLuint height = src->level[level].height; + GLuint depth = src->level[level].depth; + GLuint dst_offset = intel_miptree_image_offset(dst, face, level); + GLuint src_offset = intel_miptree_image_offset(src, face, level); + const GLuint *dst_depth_offset = intel_miptree_depth_offsets(dst, level); + const GLuint *src_depth_offset = intel_miptree_depth_offsets(src, level); + GLuint i; + + if (dst->compressed) + height /= 4; + for (i = 0; i < depth; i++) { + intel_region_copy(intel->intelScreen, + dst->region, dst_offset + dst_depth_offset[i], + 0, + 0, + src->region, src_offset + src_depth_offset[i], + 0, 0, width, height); + } + +} diff --git a/src/mesa/drivers/dri/i915pipe/intel_mipmap_tree.h b/src/mesa/drivers/dri/i915pipe/intel_mipmap_tree.h new file mode 100644 index 0000000000..ecdb7be244 --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_mipmap_tree.h @@ -0,0 +1,198 @@ +/************************************************************************** + * + * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef INTEL_MIPMAP_TREE_H +#define INTEL_MIPMAP_TREE_H + +#include "intel_regions.h" + +/* A layer on top of the intel_regions code which adds: + * + * - Code to size and layout a region to hold a set of mipmaps. + * - Query to determine if a new image fits in an existing tree. + * - More refcounting + * - maybe able to remove refcounting from intel_region? + * - ? + * + * The fixed mipmap layout of intel hardware where one offset + * specifies the position of all images in a mipmap hierachy + * complicates the implementation of GL texture image commands, + * compared to hardware where each image is specified with an + * independent offset. + * + * In an ideal world, each texture object would be associated with a + * single bufmgr buffer or 2d intel_region, and all the images within + * the texture object would slot into the tree as they arrive. The + * reality can be a little messier, as images can arrive from the user + * with sizes that don't fit in the existing tree, or in an order + * where the tree layout cannot be guessed immediately. + * + * This structure encodes an idealized mipmap tree. The GL image + * commands build these where possible, otherwise store the images in + * temporary system buffers. + */ + + +/** + * Describes the location of each texture image within a texture region. + */ +struct intel_mipmap_level +{ + GLuint level_offset; + GLuint width; + GLuint height; + GLuint depth; + GLuint nr_images; + + /* Explicitly store the offset of each image for each cube face or + * depth value. Pretty much have to accept that hardware formats + * are going to be so diverse that there is no unified way to + * compute the offsets of depth/cube images within a mipmap level, + * so have to store them as a lookup table: + */ + GLuint *image_offset; +}; + +struct intel_mipmap_tree +{ + /* Effectively the key: + */ + GLenum target; + GLenum internal_format; + + GLuint first_level; + GLuint last_level; + + GLuint width0, height0, depth0; /**< Level zero image dimensions */ + GLuint cpp; + GLboolean compressed; + + /* Derived from the above: + */ + GLuint pitch; + GLuint depth_pitch; /* per-image on i945? */ + GLuint total_height; + + /* Includes image offset tables: + */ + struct intel_mipmap_level level[MAX_TEXTURE_LEVELS]; + + /* The data is held here: + */ + struct intel_region *region; + + /* These are also refcounted: + */ + GLuint refcount; +}; + + + +struct intel_mipmap_tree *intel_miptree_create(struct intel_context *intel, + GLenum target, + GLenum internal_format, + GLuint first_level, + GLuint last_level, + GLuint width0, + GLuint height0, + GLuint depth0, + GLuint cpp, + GLuint compress_byte); + +void intel_miptree_reference(struct intel_mipmap_tree **dst, + struct intel_mipmap_tree *src); + +void intel_miptree_release(struct intel_context *intel, + struct intel_mipmap_tree **mt); + +/* Check if an image fits an existing mipmap tree layout + */ +GLboolean intel_miptree_match_image(struct intel_mipmap_tree *mt, + struct gl_texture_image *image, + GLuint face, GLuint level); + +/* Return a pointer to an image within a tree. Return image stride as + * well. + */ +GLubyte *intel_miptree_image_map(struct intel_context *intel, + struct intel_mipmap_tree *mt, + GLuint face, + GLuint level, + GLuint * row_stride, GLuint * image_stride); + +void intel_miptree_image_unmap(struct intel_context *intel, + struct intel_mipmap_tree *mt); + + +/* Return the linear offset of an image relative to the start of the + * tree: + */ +GLuint intel_miptree_image_offset(struct intel_mipmap_tree *mt, + GLuint face, GLuint level); + +/* Return pointers to each 2d slice within an image. Indexed by depth + * value. + */ +const GLuint *intel_miptree_depth_offsets(struct intel_mipmap_tree *mt, + GLuint level); + + +void intel_miptree_set_level_info(struct intel_mipmap_tree *mt, + GLuint level, + GLuint nr_images, + GLuint x, GLuint y, + GLuint w, GLuint h, GLuint d); + +void intel_miptree_set_image_offset(struct intel_mipmap_tree *mt, + GLuint level, + GLuint img, GLuint x, GLuint y); + + +/* Upload an image into a tree + */ +void intel_miptree_image_data(struct intel_context *intel, + struct intel_mipmap_tree *dst, + GLuint face, + GLuint level, + void *src, + GLuint src_row_pitch, GLuint src_image_pitch); + +/* Copy an image between two trees + */ +void intel_miptree_image_copy(struct intel_context *intel, + struct intel_mipmap_tree *dst, + GLuint face, GLuint level, + struct intel_mipmap_tree *src); + +/* i915_mipmap_tree.c: + */ +GLboolean i915_miptree_layout(struct intel_mipmap_tree *mt); +GLboolean i945_miptree_layout(struct intel_mipmap_tree *mt); + + + +#endif diff --git a/src/mesa/drivers/dri/i915pipe/intel_pixel.c b/src/mesa/drivers/dri/i915pipe/intel_pixel.c new file mode 100644 index 0000000000..104d288de0 --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_pixel.c @@ -0,0 +1,45 @@ +/************************************************************************** + * + * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portionsalloc + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#include "enums.h" +#include "state.h" +#include "swrast/swrast.h" + +#include "intel_context.h" +#include "intel_pixel.h" +#include "intel_regions.h" + + +void +intelInitPixelFuncs(struct dd_function_table *functions) +{ + functions->Accum = _swrast_Accum; + functions->Bitmap = _swrast_Bitmap; + functions->CopyPixels = _swrast_CopyPixels; + functions->ReadPixels = _swrast_ReadPixels; + functions->DrawPixels = _swrast_DrawPixels; +} diff --git a/src/mesa/drivers/dri/i915pipe/intel_pixel.h b/src/mesa/drivers/dri/i915pipe/intel_pixel.h new file mode 100644 index 0000000000..a6fcf90ce0 --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_pixel.h @@ -0,0 +1,63 @@ +/************************************************************************** + * + * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef INTEL_PIXEL_H +#define INTEL_PIXEL_H + +#include "mtypes.h" + +void intelInitPixelFuncs(struct dd_function_table *functions); + +GLboolean intel_check_blit_fragment_ops(GLcontext * ctx); + +GLboolean intel_check_meta_tex_fragment_ops(GLcontext * ctx); + +GLboolean intel_check_blit_format(struct intel_region *region, + GLenum format, GLenum type); + + +void intelReadPixels(GLcontext * ctx, + GLint x, GLint y, + GLsizei width, GLsizei height, + GLenum format, GLenum type, + const struct gl_pixelstore_attrib *pack, + GLvoid * pixels); + +void intelDrawPixels(GLcontext * ctx, + GLint x, GLint y, + GLsizei width, GLsizei height, + GLenum format, + GLenum type, + const struct gl_pixelstore_attrib *unpack, + const GLvoid * pixels); + +void intelCopyPixels(GLcontext * ctx, + GLint srcx, GLint srcy, + GLsizei width, GLsizei height, + GLint destx, GLint desty, GLenum type); + +#endif diff --git a/src/mesa/drivers/dri/i915pipe/intel_reg.h b/src/mesa/drivers/dri/i915pipe/intel_reg.h new file mode 100644 index 0000000000..7828ba6ad3 --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_reg.h @@ -0,0 +1,88 @@ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +#ifndef _INTEL_REG_H_ +#define _INTEL_REG_H_ + + + +#define CMD_3D (0x3<<29) + + +#define _3DPRIMITIVE ((0x3<<29)|(0x1f<<24)) +#define PRIM_INDIRECT (1<<23) +#define PRIM_INLINE (0<<23) +#define PRIM_INDIRECT_SEQUENTIAL (0<<17) +#define PRIM_INDIRECT_ELTS (1<<17) + +#define PRIM3D_TRILIST (0x0<<18) +#define PRIM3D_TRISTRIP (0x1<<18) +#define PRIM3D_TRISTRIP_RVRSE (0x2<<18) +#define PRIM3D_TRIFAN (0x3<<18) +#define PRIM3D_POLY (0x4<<18) +#define PRIM3D_LINELIST (0x5<<18) +#define PRIM3D_LINESTRIP (0x6<<18) +#define PRIM3D_RECTLIST (0x7<<18) +#define PRIM3D_POINTLIST (0x8<<18) +#define PRIM3D_DIB (0x9<<18) +#define PRIM3D_MASK (0x1f<<18) + +#define I915PACKCOLOR4444(r,g,b,a) \ + ((((a) & 0xf0) << 8) | (((r) & 0xf0) << 4) | ((g) & 0xf0) | ((b) >> 4)) + +#define I915PACKCOLOR1555(r,g,b,a) \ + ((((r) & 0xf8) << 7) | (((g) & 0xf8) << 2) | (((b) & 0xf8) >> 3) | \ + ((a) ? 0x8000 : 0)) + +#define I915PACKCOLOR565(r,g,b) \ + ((((r) & 0xf8) << 8) | (((g) & 0xfc) << 3) | (((b) & 0xf8) >> 3)) + +#define I915PACKCOLOR8888(r,g,b,a) \ + ((a<<24) | (r<<16) | (g<<8) | b) + + + + +#define BR00_BITBLT_CLIENT 0x40000000 +#define BR00_OP_COLOR_BLT 0x10000000 +#define BR00_OP_SRC_COPY_BLT 0x10C00000 +#define BR13_SOLID_PATTERN 0x80000000 + +#define XY_COLOR_BLT_CMD ((2<<29)|(0x50<<22)|0x4) +#define XY_COLOR_BLT_WRITE_ALPHA (1<<21) +#define XY_COLOR_BLT_WRITE_RGB (1<<20) + +#define XY_SRC_COPY_BLT_CMD ((2<<29)|(0x53<<22)|6) +#define XY_SRC_COPY_BLT_WRITE_ALPHA (1<<21) +#define XY_SRC_COPY_BLT_WRITE_RGB (1<<20) + +#define MI_WAIT_FOR_EVENT ((0x3<<23)) +#define MI_WAIT_FOR_PLANE_B_FLIP (1<<6) +#define MI_WAIT_FOR_PLANE_A_FLIP (1<<2) + +#endif diff --git a/src/mesa/drivers/dri/i915pipe/intel_regions.c b/src/mesa/drivers/dri/i915pipe/intel_regions.c new file mode 100644 index 0000000000..7d19bd07d3 --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_regions.c @@ -0,0 +1,480 @@ +/************************************************************************** + * + * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +/* Provide additional functionality on top of bufmgr buffers: + * - 2d semantics and blit operations + * - refcounting of buffers for multiple images in a buffer. + * - refcounting of buffer mappings. + * - some logic for moving the buffers to the best memory pools for + * given operations. + * + * Most of this is to make it easier to implement the fixed-layout + * mipmap tree required by intel hardware in the face of GL's + * programming interface where each image can be specifed in random + * order and it isn't clear what layout the tree should have until the + * last moment. + */ + +#include "intel_context.h" +#include "intel_regions.h" +#include "intel_blit.h" +#include "intel_buffer_objects.h" +#include "dri_bufmgr.h" +#include "intel_batchbuffer.h" + +#define FILE_DEBUG_FLAG DEBUG_REGION + +void +intel_region_idle(intelScreenPrivate *intelScreen, struct intel_region *region) +{ + DBG("%s\n", __FUNCTION__); + if (region && region->buffer) + driBOWaitIdle(region->buffer, GL_FALSE); +} + +/* XXX: Thread safety? + */ +GLubyte * +intel_region_map(intelScreenPrivate *intelScreen, struct intel_region *region) +{ + DBG("%s\n", __FUNCTION__); + if (!region->map_refcount++) { + if (region->pbo) + intel_region_cow(intelScreen, region); + + region->map = driBOMap(region->buffer, + DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE, 0); + } + + return region->map; +} + +void +intel_region_unmap(intelScreenPrivate *intelScreen, struct intel_region *region) +{ + DBG("%s\n", __FUNCTION__); + if (!--region->map_refcount) { + driBOUnmap(region->buffer); + region->map = NULL; + } +} + +#undef TEST_CACHED_TEXTURES + +struct intel_region * +intel_region_alloc(intelScreenPrivate *intelScreen, + GLuint cpp, GLuint pitch, GLuint height) +{ + struct intel_region *region = calloc(sizeof(*region), 1); + struct intel_context *intel = intelScreenContext(intelScreen); + + DBG("%s\n", __FUNCTION__); + + region->cpp = cpp; + region->pitch = pitch; + region->height = height; /* needed? */ + region->refcount = 1; + + driGenBuffers(intelScreen->regionPool, + "region", 1, ®ion->buffer, 64, +#ifdef TEST_CACHED_TEXTURES + DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_BIND_CACHED | + DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE, +#else + 0, +#endif + 0); + LOCK_HARDWARE(intel); + driBOData(region->buffer, pitch * cpp * height, NULL, 0); + UNLOCK_HARDWARE(intel); + return region; +} + +void +intel_region_reference(struct intel_region **dst, struct intel_region *src) +{ + assert(*dst == NULL); + if (src) { + src->refcount++; + *dst = src; + } +} + +void +intel_region_release(struct intel_region **region) +{ + if (!*region) + return; + + DBG("%s %d\n", __FUNCTION__, (*region)->refcount - 1); + + ASSERT((*region)->refcount > 0); + (*region)->refcount--; + + if ((*region)->refcount == 0) { + assert((*region)->map_refcount == 0); + + if ((*region)->pbo) + (*region)->pbo->region = NULL; + (*region)->pbo = NULL; + driBOUnReference((*region)->buffer); + free(*region); + } + *region = NULL; +} + + +struct intel_region * +intel_region_create_static(intelScreenPrivate *intelScreen, + GLuint mem_type, + GLuint offset, + void *virtual, + GLuint cpp, GLuint pitch, GLuint height) +{ + struct intel_region *region = calloc(sizeof(*region), 1); + DBG("%s\n", __FUNCTION__); + + region->cpp = cpp; + region->pitch = pitch; + region->height = height; /* needed? */ + region->refcount = 1; + + /* + * We use a "shared" buffer type to indicate buffers created and + * shared by others. + */ + + driGenBuffers(intelScreen->staticPool, "static region", 1, + ®ion->buffer, 64, + DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_NO_MOVE | + DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE, 0); + driBOSetStatic(region->buffer, offset, pitch * cpp * height, virtual, 0); + + return region; +} + + + +void +intel_region_update_static(intelScreenPrivate *intelScreen, + struct intel_region *region, + GLuint mem_type, + GLuint offset, + void *virtual, + GLuint cpp, GLuint pitch, GLuint height) +{ + DBG("%s\n", __FUNCTION__); + + region->cpp = cpp; + region->pitch = pitch; + region->height = height; /* needed? */ + + /* + * We use a "shared" buffer type to indicate buffers created and + * shared by others. + */ + + driDeleteBuffers(1, ®ion->buffer); + driGenBuffers(intelScreen->staticPool, "static region", 1, + ®ion->buffer, 64, + DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_NO_MOVE | + DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE, 0); + driBOSetStatic(region->buffer, offset, pitch * cpp * height, virtual, 0); + +} + + + +/* + * XXX Move this into core Mesa? + */ +static void +_mesa_copy_rect(GLubyte * dst, + GLuint cpp, + GLuint dst_pitch, + GLuint dst_x, + GLuint dst_y, + GLuint width, + GLuint height, + const GLubyte * src, + GLuint src_pitch, GLuint src_x, GLuint src_y) +{ + GLuint i; + + dst_pitch *= cpp; + src_pitch *= cpp; + dst += dst_x * cpp; + src += src_x * cpp; + dst += dst_y * dst_pitch; + src += src_y * dst_pitch; + width *= cpp; + + if (width == dst_pitch && width == src_pitch) + memcpy(dst, src, height * width); + else { + for (i = 0; i < height; i++) { + memcpy(dst, src, width); + dst += dst_pitch; + src += src_pitch; + } + } +} + + +/* Upload data to a rectangular sub-region. Lots of choices how to do this: + * + * - memcpy by span to current destination + * - upload data as new buffer and blit + * + * Currently always memcpy. + */ +void +intel_region_data(intelScreenPrivate *intelScreen, + struct intel_region *dst, + GLuint dst_offset, + GLuint dstx, GLuint dsty, + const void *src, GLuint src_pitch, + GLuint srcx, GLuint srcy, GLuint width, GLuint height) +{ + struct intel_context *intel = intelScreenContext(intelScreen); + + DBG("%s\n", __FUNCTION__); + + if (intel == NULL) + return; + + if (dst->pbo) { + if (dstx == 0 && + dsty == 0 && width == dst->pitch && height == dst->height) + intel_region_release_pbo(intelScreen, dst); + else + intel_region_cow(intelScreen, dst); + } + + + LOCK_HARDWARE(intel); + + _mesa_copy_rect(intel_region_map(intelScreen, dst) + dst_offset, + dst->cpp, + dst->pitch, + dstx, dsty, width, height, src, src_pitch, srcx, srcy); + + intel_region_unmap(intelScreen, dst); + + UNLOCK_HARDWARE(intel); + +} + +/* Copy rectangular sub-regions. Need better logic about when to + * push buffers into AGP - will currently do so whenever possible. + */ +void +intel_region_copy(intelScreenPrivate *intelScreen, + struct intel_region *dst, + GLuint dst_offset, + GLuint dstx, GLuint dsty, + struct intel_region *src, + GLuint src_offset, + GLuint srcx, GLuint srcy, GLuint width, GLuint height) +{ + struct intel_context *intel = intelScreenContext(intelScreen); + + DBG("%s\n", __FUNCTION__); + + if (intel == NULL) + return; + + if (dst->pbo) { + if (dstx == 0 && + dsty == 0 && width == dst->pitch && height == dst->height) + intel_region_release_pbo(intelScreen, dst); + else + intel_region_cow(intelScreen, dst); + } + + assert(src->cpp == dst->cpp); + + intelEmitCopyBlit(intel, + dst->cpp, + src->pitch, src->buffer, src_offset, + dst->pitch, dst->buffer, dst_offset, + srcx, srcy, dstx, dsty, width, height, + GL_COPY); +} + +/* Fill a rectangular sub-region. Need better logic about when to + * push buffers into AGP - will currently do so whenever possible. + */ +void +intel_region_fill(intelScreenPrivate *intelScreen, + struct intel_region *dst, + GLuint dst_offset, + GLuint dstx, GLuint dsty, + GLuint width, GLuint height, GLuint color) +{ + struct intel_context *intel = intelScreenContext(intelScreen); + + DBG("%s\n", __FUNCTION__); + + if (intel == NULL) + return; + + if (dst->pbo) { + if (dstx == 0 && + dsty == 0 && width == dst->pitch && height == dst->height) + intel_region_release_pbo(intelScreen, dst); + else + intel_region_cow(intelScreen, dst); + } + + intelEmitFillBlit(intel, + dst->cpp, + dst->pitch, dst->buffer, dst_offset, + dstx, dsty, width, height, color); +} + +/* Attach to a pbo, discarding our data. Effectively zero-copy upload + * the pbo's data. + */ +void +intel_region_attach_pbo(intelScreenPrivate *intelScreen, + struct intel_region *region, + struct intel_buffer_object *pbo) +{ + if (region->pbo == pbo) + return; + + /* If there is already a pbo attached, break the cow tie now. + * Don't call intel_region_release_pbo() as that would + * unnecessarily allocate a new buffer we would have to immediately + * discard. + */ + if (region->pbo) { + region->pbo->region = NULL; + region->pbo = NULL; + } + + if (region->buffer) { + driDeleteBuffers(1, ®ion->buffer); + region->buffer = NULL; + } + + region->pbo = pbo; + region->pbo->region = region; + region->buffer = driBOReference(pbo->buffer); +} + + +/* Break the COW tie to the pbo. The pbo gets to keep the data. + */ +void +intel_region_release_pbo(intelScreenPrivate *intelScreen, + struct intel_region *region) +{ + struct intel_context *intel = intelScreenContext(intelScreen); + + assert(region->buffer == region->pbo->buffer); + region->pbo->region = NULL; + region->pbo = NULL; + driBOUnReference(region->buffer); + region->buffer = NULL; + + driGenBuffers(intelScreen->regionPool, + "region", 1, ®ion->buffer, 64, 0, 0); + + LOCK_HARDWARE(intel); + driBOData(region->buffer, + region->cpp * region->pitch * region->height, NULL, 0); + UNLOCK_HARDWARE(intel); +} + +/* Break the COW tie to the pbo. Both the pbo and the region end up + * with a copy of the data. + */ +void +intel_region_cow(intelScreenPrivate *intelScreen, struct intel_region *region) +{ + struct intel_context *intel = intelScreenContext(intelScreen); + struct intel_buffer_object *pbo = region->pbo; + + if (intel == NULL) + return; + + intel_region_release_pbo(intelScreen, region); + + assert(region->cpp * region->pitch * region->height == pbo->Base.Size); + + DBG("%s (%d bytes)\n", __FUNCTION__, pbo->Base.Size); + + /* Now blit from the texture buffer to the new buffer: + */ + + intel_batchbuffer_flush(intel->batch); + + if (!intel->locked) { + LOCK_HARDWARE(intel); + intelEmitCopyBlit(intel, + region->cpp, + region->pitch, + region->buffer, 0, + region->pitch, + pbo->buffer, 0, + 0, 0, 0, 0, + region->pitch, region->height, + GL_COPY); + + intel_batchbuffer_flush(intel->batch); + UNLOCK_HARDWARE(intel); + } + else { + intelEmitCopyBlit(intel, + region->cpp, + region->pitch, + region->buffer, 0, + region->pitch, + pbo->buffer, 0, + 0, 0, 0, 0, + region->pitch, region->height, + GL_COPY); + + intel_batchbuffer_flush(intel->batch); + } +} + +struct _DriBufferObject * +intel_region_buffer(intelScreenPrivate *intelScreen, + struct intel_region *region, GLuint flag) +{ + if (region->pbo) { + if (flag == INTEL_WRITE_PART) + intel_region_cow(intelScreen, region); + else if (flag == INTEL_WRITE_FULL) + intel_region_release_pbo(intelScreen, region); + } + + return region->buffer; +} diff --git a/src/mesa/drivers/dri/i915pipe/intel_regions.h b/src/mesa/drivers/dri/i915pipe/intel_regions.h new file mode 100644 index 0000000000..d938c107a4 --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_regions.h @@ -0,0 +1,141 @@ +/************************************************************************** + * + * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef INTEL_REGIONS_H +#define INTEL_REGIONS_H + +#include "mtypes.h" +#include "intel_screen.h" + +struct intel_context; +struct intel_buffer_object; + +/** + * A layer on top of the bufmgr buffers that adds a few useful things: + * + * - Refcounting for local buffer references. + * - Refcounting for buffer maps + * - Buffer dimensions - pitch and height. + * - Blitter commands for copying 2D regions between buffers. (really???) + */ +struct intel_region +{ + struct _DriBufferObject *buffer; /**< buffer manager's buffer ID */ + GLuint refcount; /**< Reference count for region */ + GLuint cpp; /**< bytes per pixel */ + GLuint pitch; /**< in pixels */ + GLuint height; /**< in pixels */ + GLubyte *map; /**< only non-NULL when region is actually mapped */ + GLuint map_refcount; /**< Reference count for mapping */ + + GLuint draw_offset; /**< Offset of drawing address within the region */ + + struct intel_buffer_object *pbo; /* zero-copy uploads */ +}; + + +/* Allocate a refcounted region. Pointers to regions should only be + * copied by calling intel_reference_region(). + */ +struct intel_region *intel_region_alloc(intelScreenPrivate *intelScreen, + GLuint cpp, + GLuint pitch, GLuint height); + +void intel_region_reference(struct intel_region **dst, + struct intel_region *src); + +void intel_region_release(struct intel_region **ib); + +extern struct intel_region +*intel_region_create_static(intelScreenPrivate *intelScreen, + GLuint mem_type, + GLuint offset, + void *virtual, + GLuint cpp, + GLuint pitch, GLuint height); +extern void +intel_region_update_static(intelScreenPrivate *intelScreen, + struct intel_region *region, + GLuint mem_type, + GLuint offset, + void *virtual, + GLuint cpp, GLuint pitch, GLuint height); + + +void intel_region_idle(intelScreenPrivate *intelScreen, + struct intel_region *ib); + +/* Map/unmap regions. This is refcounted also: + */ +GLubyte *intel_region_map(intelScreenPrivate *intelScreen, + struct intel_region *ib); + +void intel_region_unmap(intelScreenPrivate *intelScreen, struct intel_region *ib); + + +/* Upload data to a rectangular sub-region + */ +void intel_region_data(intelScreenPrivate *intelScreen, + struct intel_region *dest, + GLuint dest_offset, + GLuint destx, GLuint desty, + const void *src, GLuint src_stride, + GLuint srcx, GLuint srcy, GLuint width, GLuint height); + +/* Copy rectangular sub-regions + */ +void intel_region_copy(intelScreenPrivate *intelScreen, + struct intel_region *dest, + GLuint dest_offset, + GLuint destx, GLuint desty, + struct intel_region *src, + GLuint src_offset, + GLuint srcx, GLuint srcy, GLuint width, GLuint height); + +/* Fill a rectangular sub-region + */ +void intel_region_fill(intelScreenPrivate *intelScreen, + struct intel_region *dest, + GLuint dest_offset, + GLuint destx, GLuint desty, + GLuint width, GLuint height, GLuint color); + +/* Helpers for zerocopy uploads, particularly texture image uploads: + */ +void intel_region_attach_pbo(intelScreenPrivate *intelScreen, + struct intel_region *region, + struct intel_buffer_object *pbo); +void intel_region_release_pbo(intelScreenPrivate *intelScreen, + struct intel_region *region); +void intel_region_cow(intelScreenPrivate *intelScreen, + struct intel_region *region); + +struct _DriBufferObject *intel_region_buffer(intelScreenPrivate *intelScreen, + struct intel_region *region, + GLuint flag); + +#endif diff --git a/src/mesa/drivers/dri/i915pipe/intel_render.c b/src/mesa/drivers/dri/i915pipe/intel_render.c new file mode 100644 index 0000000000..c8b6d308d9 --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_render.c @@ -0,0 +1,244 @@ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +/* + * Render unclipped vertex buffers by emitting vertices directly to + * dma buffers. Use strip/fan hardware acceleration where possible. + * + */ +#include "glheader.h" +#include "context.h" +#include "macros.h" +#include "imports.h" +#include "mtypes.h" +#include "enums.h" + +#include "tnl/t_context.h" +#include "tnl/t_vertex.h" + +#include "intel_screen.h" +#include "intel_context.h" +#include "intel_tris.h" +#include "intel_batchbuffer.h" +#include "intel_reg.h" + +/* + * Render unclipped vertex buffers by emitting vertices directly to + * dma buffers. Use strip/fan hardware primitives where possible. + * Try to simulate missing primitives with indexed vertices. + */ +#define HAVE_POINTS 0 /* Has it, but can't use because subpixel has to + * be adjusted for points on the INTEL/I845G + */ +#define HAVE_LINES 1 +#define HAVE_LINE_STRIPS 1 +#define HAVE_TRIANGLES 1 +#define HAVE_TRI_STRIPS 1 +#define HAVE_TRI_STRIP_1 0 /* has it, template can't use it yet */ +#define HAVE_TRI_FANS 1 +#define HAVE_POLYGONS 1 +#define HAVE_QUADS 0 +#define HAVE_QUAD_STRIPS 0 + +#define HAVE_ELTS 0 + +static GLuint hw_prim[GL_POLYGON + 1] = { + 0, + PRIM3D_LINELIST, + PRIM3D_LINESTRIP, + PRIM3D_LINESTRIP, + PRIM3D_TRILIST, + PRIM3D_TRISTRIP, + PRIM3D_TRIFAN, + 0, + 0, + PRIM3D_POLY +}; + +static const GLenum reduced_prim[GL_POLYGON + 1] = { + GL_POINTS, + GL_LINES, + GL_LINES, + GL_LINES, + GL_TRIANGLES, + GL_TRIANGLES, + GL_TRIANGLES, + GL_TRIANGLES, + GL_TRIANGLES, + GL_TRIANGLES +}; + +static const int scale_prim[GL_POLYGON + 1] = { + 0, /* fallback case */ + 1, + 2, + 2, + 1, + 3, + 3, + 0, /* fallback case */ + 0, /* fallback case */ + 3 +}; + + +static void +intelDmaPrimitive(struct intel_context *intel, GLenum prim) +{ + if (0) + fprintf(stderr, "%s %s\n", __FUNCTION__, _mesa_lookup_enum_by_nr(prim)); + INTEL_FIREVERTICES(intel); + intel->vtbl.reduced_primitive_state(intel, reduced_prim[prim]); + intelStartInlinePrimitive(intel, hw_prim[prim], INTEL_BATCH_CLIPRECTS); +} + + +#define LOCAL_VARS struct intel_context *intel = intel_context(ctx) +#define INIT( prim ) \ +do { \ + intelDmaPrimitive( intel, prim ); \ +} while (0) + +#define FLUSH() INTEL_FIREVERTICES(intel) + +#define GET_SUBSEQUENT_VB_MAX_VERTS() \ + ((intel->batch->size - 1500) / (intel->vertex_size*4)) +#define GET_CURRENT_VB_MAX_VERTS() GET_SUBSEQUENT_VB_MAX_VERTS() + +#define ALLOC_VERTS( nr ) \ + intelExtendInlinePrimitive( intel, (nr) * intel->vertex_size ) + +#define EMIT_VERTS( ctx, j, nr, buf ) \ + _tnl_emit_vertices_to_buffer(ctx, j, (j)+(nr), buf ) + +#define TAG(x) intel_##x +#include "tnl_dd/t_dd_dmatmp.h" + + +/**********************************************************************/ +/* Render pipeline stage */ +/**********************************************************************/ + +/* Heuristic to choose between the two render paths: + */ +static GLboolean +choose_render(struct intel_context *intel, struct vertex_buffer *VB) +{ + int vertsz = intel->vertex_size; + int cost_render = 0; + int cost_fallback = 0; + int nr_prims = 0; + int nr_rprims = 0; + int nr_rverts = 0; + int rprim = intel->reduced_primitive; + int i = 0; + + for (i = 0; i < VB->PrimitiveCount; i++) { + GLuint prim = VB->Primitive[i].mode; + GLuint length = VB->Primitive[i].count; + + if (!length) + continue; + + nr_prims++; + nr_rverts += length * scale_prim[prim & PRIM_MODE_MASK]; + + if (reduced_prim[prim & PRIM_MODE_MASK] != rprim) { + nr_rprims++; + rprim = reduced_prim[prim & PRIM_MODE_MASK]; + } + } + + /* One point for each generated primitive: + */ + cost_render = nr_prims; + cost_fallback = nr_rprims; + + /* One point for every 1024 dwords (4k) of dma: + */ + cost_render += (vertsz * i) / 1024; + cost_fallback += (vertsz * nr_rverts) / 1024; + + if (0) + fprintf(stderr, "cost render: %d fallback: %d\n", + cost_render, cost_fallback); + + if (cost_render > cost_fallback) + return GL_FALSE; + + return GL_TRUE; +} + + +static GLboolean +intel_run_render(GLcontext * ctx, struct tnl_pipeline_stage *stage) +{ + struct intel_context *intel = intel_context(ctx); + TNLcontext *tnl = TNL_CONTEXT(ctx); + struct vertex_buffer *VB = &tnl->vb; + GLuint i; + + intel->vtbl.render_prevalidate( intel ); + + /* Don't handle clipping or indexed vertices. + */ + if (intel->RenderIndex != 0 || + !intel_validate_render(ctx, VB) || !choose_render(intel, VB)) { + return GL_TRUE; + } + + tnl->clipspace.new_inputs |= VERT_BIT_POS; + + tnl->Driver.Render.Start(ctx); + + for (i = 0; i < VB->PrimitiveCount; i++) { + GLuint prim = VB->Primitive[i].mode; + GLuint start = VB->Primitive[i].start; + GLuint length = VB->Primitive[i].count; + + if (!length) + continue; + + intel_render_tab_verts[prim & PRIM_MODE_MASK] (ctx, start, + start + length, prim); + } + + tnl->Driver.Render.Finish(ctx); + + INTEL_FIREVERTICES(intel); + + return GL_FALSE; /* finished the pipe */ +} + +const struct tnl_pipeline_stage _intel_render_stage = { + "intel render", + NULL, + NULL, + NULL, + NULL, + intel_run_render /* run */ +}; diff --git a/src/mesa/drivers/dri/i915pipe/intel_rotate.c b/src/mesa/drivers/dri/i915pipe/intel_rotate.c new file mode 100644 index 0000000000..12d98c4ad2 --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_rotate.c @@ -0,0 +1,237 @@ + +/** + * Routines for simple 2D->2D transformations for rotated, flipped screens. + * + * XXX This code is not intel-specific. Move it into a common/utility + * someday. + */ + +#include "intel_rotate.h" + +#define MIN2(A, B) ( ((A) < (B)) ? (A) : (B) ) + +#define ABS(A) ( ((A) < 0) ? -(A) : (A) ) + + +void +matrix23Set(struct matrix23 *m, + int m00, int m01, int m02, int m10, int m11, int m12) +{ + m->m00 = m00; + m->m01 = m01; + m->m02 = m02; + m->m10 = m10; + m->m11 = m11; + m->m12 = m12; +} + + +/* + * Transform (x,y) coordinate by the given matrix. + */ +void +matrix23TransformCoordf(const struct matrix23 *m, float *x, float *y) +{ + const float x0 = *x; + const float y0 = *y; + + *x = m->m00 * x0 + m->m01 * y0 + m->m02; + *y = m->m10 * x0 + m->m11 * y0 + m->m12; +} + + +void +matrix23TransformCoordi(const struct matrix23 *m, int *x, int *y) +{ + const int x0 = *x; + const int y0 = *y; + + *x = m->m00 * x0 + m->m01 * y0 + m->m02; + *y = m->m10 * x0 + m->m11 * y0 + m->m12; +} + + +/* + * Transform a width and height by the given matrix. + * XXX this could be optimized quite a bit. + */ +void +matrix23TransformDistance(const struct matrix23 *m, int *xDist, int *yDist) +{ + int x0 = 0, y0 = 0; + int x1 = *xDist, y1 = 0; + int x2 = 0, y2 = *yDist; + matrix23TransformCoordi(m, &x0, &y0); + matrix23TransformCoordi(m, &x1, &y1); + matrix23TransformCoordi(m, &x2, &y2); + + *xDist = (x1 - x0) + (x2 - x0); + *yDist = (y1 - y0) + (y2 - y0); + + if (*xDist < 0) + *xDist = -*xDist; + if (*yDist < 0) + *yDist = -*yDist; +} + + +/** + * Transform the rect defined by (x, y, w, h) by m. + */ +void +matrix23TransformRect(const struct matrix23 *m, int *x, int *y, int *w, + int *h) +{ + int x0 = *x, y0 = *y; + int x1 = *x + *w, y1 = *y; + int x2 = *x + *w, y2 = *y + *h; + int x3 = *x, y3 = *y + *h; + matrix23TransformCoordi(m, &x0, &y0); + matrix23TransformCoordi(m, &x1, &y1); + matrix23TransformCoordi(m, &x2, &y2); + matrix23TransformCoordi(m, &x3, &y3); + *w = ABS(x1 - x0) + ABS(x2 - x1); + /**w = ABS(*w);*/ + *h = ABS(y1 - y0) + ABS(y2 - y1); + /**h = ABS(*h);*/ + *x = MIN2(x0, x1); + *x = MIN2(*x, x2); + *y = MIN2(y0, y1); + *y = MIN2(*y, y2); +} + + +/* + * Make rotation matrix for width X height screen. + */ +void +matrix23Rotate(struct matrix23 *m, int width, int height, int angle) +{ + switch (angle) { + case 0: + matrix23Set(m, 1, 0, 0, 0, 1, 0); + break; + case 90: + matrix23Set(m, 0, 1, 0, -1, 0, width); + break; + case 180: + matrix23Set(m, -1, 0, width, 0, -1, height); + break; + case 270: + matrix23Set(m, 0, -1, height, 1, 0, 0); + break; + default: + /*abort() */ ; + } +} + + +/* + * Make flip/reflection matrix for width X height screen. + */ +void +matrix23Flip(struct matrix23 *m, int width, int height, int xflip, int yflip) +{ + if (xflip) { + m->m00 = -1; + m->m01 = 0; + m->m02 = width - 1; + } + else { + m->m00 = 1; + m->m01 = 0; + m->m02 = 0; + } + if (yflip) { + m->m10 = 0; + m->m11 = -1; + m->m12 = height - 1; + } + else { + m->m10 = 0; + m->m11 = 1; + m->m12 = 0; + } +} + + +/* + * result = a * b + */ +void +matrix23Multiply(struct matrix23 *result, + const struct matrix23 *a, const struct matrix23 *b) +{ + result->m00 = a->m00 * b->m00 + a->m01 * b->m10; + result->m01 = a->m00 * b->m01 + a->m01 * b->m11; + result->m02 = a->m00 * b->m02 + a->m01 * b->m12 + a->m02; + + result->m10 = a->m10 * b->m00 + a->m11 * b->m10; + result->m11 = a->m10 * b->m01 + a->m11 * b->m11; + result->m12 = a->m10 * b->m02 + a->m11 * b->m12 + a->m12; +} + + +#if 000 + +#include <stdio.h> + +int +main(int argc, char *argv[]) +{ + int width = 500, height = 400; + int rot; + int fx = 0, fy = 0; /* flip x and/or y ? */ + int coords[4][2]; + + /* four corner coords to test with */ + coords[0][0] = 0; + coords[0][1] = 0; + coords[1][0] = width - 1; + coords[1][1] = 0; + coords[2][0] = width - 1; + coords[2][1] = height - 1; + coords[3][0] = 0; + coords[3][1] = height - 1; + + + for (rot = 0; rot < 360; rot += 90) { + struct matrix23 rotate, flip, m; + int i; + + printf("Rot %d, xFlip %d, yFlip %d:\n", rot, fx, fy); + + /* make transformation matrix 'm' */ + matrix23Rotate(&rotate, width, height, rot); + matrix23Flip(&flip, width, height, fx, fy); + matrix23Multiply(&m, &rotate, &flip); + + /* xform four coords */ + for (i = 0; i < 4; i++) { + int x = coords[i][0]; + int y = coords[i][1]; + matrix23TransformCoordi(&m, &x, &y); + printf(" %d, %d -> %d %d\n", coords[i][0], coords[i][1], x, y); + } + + /* xform width, height */ + { + int x = width; + int y = height; + matrix23TransformDistance(&m, &x, &y); + printf(" %d x %d -> %d x %d\n", width, height, x, y); + } + + /* xform rect */ + { + int x = 50, y = 10, w = 200, h = 100; + matrix23TransformRect(&m, &x, &y, &w, &h); + printf(" %d,%d %d x %d -> %d, %d %d x %d\n", 50, 10, 200, 100, + x, y, w, h); + } + + } + + return 0; +} +#endif diff --git a/src/mesa/drivers/dri/i915pipe/intel_rotate.h b/src/mesa/drivers/dri/i915pipe/intel_rotate.h new file mode 100644 index 0000000000..9c8802ca47 --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_rotate.h @@ -0,0 +1,39 @@ +#ifndef INTEL_ROTATE_H +#define INTEL_ROTATE_H 1 + +struct matrix23 +{ + int m00, m01, m02; + int m10, m11, m12; +}; + + + +extern void +matrix23Set(struct matrix23 *m, + int m00, int m01, int m02, int m10, int m11, int m12); + +extern void matrix23TransformCoordi(const struct matrix23 *m, int *x, int *y); + +extern void +matrix23TransformCoordf(const struct matrix23 *m, float *x, float *y); + +extern void +matrix23TransformDistance(const struct matrix23 *m, int *xDist, int *yDist); + +extern void +matrix23TransformRect(const struct matrix23 *m, + int *x, int *y, int *w, int *h); + +extern void +matrix23Rotate(struct matrix23 *m, int width, int height, int angle); + +extern void +matrix23Flip(struct matrix23 *m, int width, int height, int xflip, int yflip); + +extern void +matrix23Multiply(struct matrix23 *result, + const struct matrix23 *a, const struct matrix23 *b); + + +#endif /* INTEL_ROTATE_H */ diff --git a/src/mesa/drivers/dri/i915pipe/intel_screen.c b/src/mesa/drivers/dri/i915pipe/intel_screen.c new file mode 100644 index 0000000000..8d8b2523f3 --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_screen.c @@ -0,0 +1,708 @@ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#include "glheader.h" +#include "context.h" +#include "framebuffer.h" +#include "matrix.h" +#include "renderbuffer.h" +#include "simple_list.h" +#include "utils.h" +#include "vblank.h" +#include "xmlpool.h" + + +#include "intel_screen.h" + +#include "intel_buffers.h" +#include "intel_tex.h" +#include "intel_span.h" +#include "intel_tris.h" +#include "intel_ioctl.h" +#include "intel_fbo.h" + +#include "i830_dri.h" +#include "dri_bufpool.h" +#include "intel_regions.h" +#include "intel_batchbuffer.h" + +PUBLIC const char __driConfigOptions[] = + DRI_CONF_BEGIN DRI_CONF_SECTION_PERFORMANCE + DRI_CONF_FTHROTTLE_MODE(DRI_CONF_FTHROTTLE_IRQS) + DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_0) + DRI_CONF_SECTION_END DRI_CONF_SECTION_QUALITY + DRI_CONF_FORCE_S3TC_ENABLE(false) + DRI_CONF_ALLOW_LARGE_TEXTURES(1) + DRI_CONF_SECTION_END DRI_CONF_END; + const GLuint __driNConfigOptions = 4; + +#ifdef USE_NEW_INTERFACE + static PFNGLXCREATECONTEXTMODES create_context_modes = NULL; +#endif /*USE_NEW_INTERFACE */ + + extern const struct dri_extension card_extensions[]; + +/** + * Map all the memory regions described by the screen. + * \return GL_TRUE if success, GL_FALSE if error. + */ +GLboolean +intelMapScreenRegions(__DRIscreenPrivate * sPriv) +{ + intelScreenPrivate *intelScreen = (intelScreenPrivate *) sPriv->private; + + if (intelScreen->front.handle) { + if (drmMap(sPriv->fd, + intelScreen->front.handle, + intelScreen->front.size, + (drmAddress *) & intelScreen->front.map) != 0) { + _mesa_problem(NULL, "drmMap(frontbuffer) failed!"); + return GL_FALSE; + } + } + else { + _mesa_warning(NULL, "no front buffer handle in intelMapScreenRegions!"); + } + + if (0) + printf("Mappings: front: %p\n", intelScreen->front.map); + return GL_TRUE; +} + + +static struct intel_region * +intel_recreate_static(intelScreenPrivate *intelScreen, + struct intel_region *region, + GLuint mem_type, + GLuint offset, + void *virtual, + GLuint cpp, GLuint pitch, GLuint height) +{ + if (region) { + intel_region_update_static(intelScreen, region, mem_type, offset, + virtual, cpp, pitch, height); + } else { + region = intel_region_create_static(intelScreen, mem_type, offset, + virtual, cpp, pitch, height); + } + return region; +} + + +/* Create intel_region structs to describe the static front,back,depth + * buffers created by the xserver. + * Only used for real front buffer now. + * + * Note that these don't allocate video memory, just describe + * allocations already made by the X server. + */ +static void +intel_recreate_static_regions(intelScreenPrivate *intelScreen) +{ +/* this is the real front buffer which is only used for blitting to */ + intelScreen->front_region = + intel_recreate_static(intelScreen, + intelScreen->front_region, + DRM_BO_FLAG_MEM_TT, + intelScreen->front.offset, + intelScreen->front.map, + intelScreen->cpp, + intelScreen->front.pitch / intelScreen->cpp, + intelScreen->height); + +} + +/** + * Use the information in the sarea to update the screen parameters + * related to screen rotation. Needs to be called locked. + */ +void +intelUpdateScreenRotation(__DRIscreenPrivate * sPriv, drmI830Sarea * sarea) +{ + intelScreenPrivate *intelScreen = (intelScreenPrivate *) sPriv->private; + + intelUnmapScreenRegions(intelScreen); + intelUpdateScreenFromSAREA(intelScreen, sarea); + if (!intelMapScreenRegions(sPriv)) { + fprintf(stderr, "ERROR Remapping screen regions!!!\n"); + } + intel_recreate_static_regions(intelScreen); +} + + +void +intelUnmapScreenRegions(intelScreenPrivate * intelScreen) +{ +#define REALLY_UNMAP 1 + if (intelScreen->front.map) { +#if REALLY_UNMAP + if (drmUnmap(intelScreen->front.map, intelScreen->front.size) != 0) + printf("drmUnmap front failed!\n"); +#endif + intelScreen->front.map = NULL; + } +} + + +static void +intelPrintDRIInfo(intelScreenPrivate * intelScreen, + __DRIscreenPrivate * sPriv, I830DRIPtr gDRIPriv) +{ + fprintf(stderr, "*** Front size: 0x%x offset: 0x%x pitch: %d\n", + intelScreen->front.size, intelScreen->front.offset, + intelScreen->front.pitch); + fprintf(stderr, "*** Memory : 0x%x\n", gDRIPriv->mem); +} + + +static void +intelPrintSAREA(const drmI830Sarea * sarea) +{ + fprintf(stderr, "SAREA: sarea width %d height %d\n", sarea->width, + sarea->height); + fprintf(stderr, "SAREA: pitch: %d\n", sarea->pitch); + fprintf(stderr, + "SAREA: front offset: 0x%08x size: 0x%x handle: 0x%x\n", + sarea->front_offset, sarea->front_size, + (unsigned) sarea->front_handle); + fprintf(stderr, + "SAREA: back offset: 0x%08x size: 0x%x handle: 0x%x\n", + sarea->back_offset, sarea->back_size, + (unsigned) sarea->back_handle); + fprintf(stderr, "SAREA: depth offset: 0x%08x size: 0x%x handle: 0x%x\n", + sarea->depth_offset, sarea->depth_size, + (unsigned) sarea->depth_handle); + fprintf(stderr, "SAREA: tex offset: 0x%08x size: 0x%x handle: 0x%x\n", + sarea->tex_offset, sarea->tex_size, (unsigned) sarea->tex_handle); + fprintf(stderr, "SAREA: rotation: %d\n", sarea->rotation); + fprintf(stderr, + "SAREA: rotated offset: 0x%08x size: 0x%x\n", + sarea->rotated_offset, sarea->rotated_size); + fprintf(stderr, "SAREA: rotated pitch: %d\n", sarea->rotated_pitch); +} + + +/** + * A number of the screen parameters are obtained/computed from + * information in the SAREA. This function updates those parameters. + */ +void +intelUpdateScreenFromSAREA(intelScreenPrivate * intelScreen, + drmI830Sarea * sarea) +{ + intelScreen->width = sarea->width; + intelScreen->height = sarea->height; + + intelScreen->front.offset = sarea->front_offset; + intelScreen->front.pitch = sarea->pitch * intelScreen->cpp; + intelScreen->front.handle = sarea->front_handle; + intelScreen->front.size = sarea->front_size; + + if (0) + intelPrintSAREA(sarea); +} + +GLboolean +intelCreatePools(intelScreenPrivate *intelScreen) +{ + unsigned batchPoolSize = 1024*1024; + __DRIscreenPrivate * sPriv = intelScreen->driScrnPriv; + + if (intelScreen->havePools) + return GL_TRUE; + + batchPoolSize /= intelScreen->maxBatchSize; + intelScreen->regionPool = driDRMPoolInit(sPriv->fd); + + if (!intelScreen->regionPool) + return GL_FALSE; + + intelScreen->staticPool = driDRMStaticPoolInit(sPriv->fd); + + if (!intelScreen->staticPool) + return GL_FALSE; + + intelScreen->texPool = intelScreen->regionPool; + + intelScreen->batchPool = driBatchPoolInit(sPriv->fd, + DRM_BO_FLAG_EXE | + DRM_BO_FLAG_MEM_TT | + DRM_BO_FLAG_MEM_LOCAL, + intelScreen->maxBatchSize, + batchPoolSize, 5); + if (!intelScreen->batchPool) { + fprintf(stderr, "Failed to initialize batch pool - possible incorrect agpgart installed\n"); + return GL_FALSE; + } + + intel_recreate_static_regions(intelScreen); + intelScreen->havePools = GL_TRUE; + + return GL_TRUE; +} + + +static GLboolean +intelInitDriver(__DRIscreenPrivate * sPriv) +{ + intelScreenPrivate *intelScreen; + I830DRIPtr gDRIPriv = (I830DRIPtr) sPriv->pDevPriv; + drmI830Sarea *sarea; + + PFNGLXSCRENABLEEXTENSIONPROC glx_enable_extension = + (PFNGLXSCRENABLEEXTENSIONPROC) (*dri_interface-> + getProcAddress("glxEnableExtension")); + void *const psc = sPriv->psc->screenConfigs; + + if (sPriv->devPrivSize != sizeof(I830DRIRec)) { + fprintf(stderr, + "\nERROR! sizeof(I830DRIRec) does not match passed size from device driver\n"); + return GL_FALSE; + } + + /* Allocate the private area */ + intelScreen = (intelScreenPrivate *) CALLOC(sizeof(intelScreenPrivate)); + if (!intelScreen) { + fprintf(stderr, "\nERROR! Allocating private area failed\n"); + return GL_FALSE; + } + /* parse information in __driConfigOptions */ + driParseOptionInfo(&intelScreen->optionCache, + __driConfigOptions, __driNConfigOptions); + + intelScreen->driScrnPriv = sPriv; + sPriv->private = (void *) intelScreen; + intelScreen->sarea_priv_offset = gDRIPriv->sarea_priv_offset; + sarea = (drmI830Sarea *) + (((GLubyte *) sPriv->pSAREA) + intelScreen->sarea_priv_offset); + + intelScreen->maxBatchSize = BATCH_SZ; + intelScreen->deviceID = gDRIPriv->deviceID; + if (intelScreen->deviceID == PCI_CHIP_I865_G) + intelScreen->maxBatchSize = 4096; + + intelScreen->mem = gDRIPriv->mem; + intelScreen->cpp = gDRIPriv->cpp; + + switch (gDRIPriv->bitsPerPixel) { + case 16: + break; + case 32: + break; + default: + exit(1); + break; + } + + intelUpdateScreenFromSAREA(intelScreen, sarea); + + if (!intelMapScreenRegions(sPriv)) { + fprintf(stderr, "\nERROR! mapping regions\n"); + _mesa_free(intelScreen); + sPriv->private = NULL; + return GL_FALSE; + } + + + intelScreen->sarea_priv_offset = gDRIPriv->sarea_priv_offset; + + if (0) + intelPrintDRIInfo(intelScreen, sPriv, gDRIPriv); + + intelScreen->drmMinor = sPriv->drmMinor; + + /* Determine if IRQs are active? */ + { + int ret; + drmI830GetParam gp; + + gp.param = I830_PARAM_IRQ_ACTIVE; + gp.value = &intelScreen->irq_active; + + ret = drmCommandWriteRead(sPriv->fd, DRM_I830_GETPARAM, + &gp, sizeof(gp)); + if (ret) { + fprintf(stderr, "drmI830GetParam: %d\n", ret); + return GL_FALSE; + } + } + + /* Determine if batchbuffers are allowed */ + { + int ret; + drmI830GetParam gp; + + gp.param = I830_PARAM_ALLOW_BATCHBUFFER; + gp.value = &intelScreen->allow_batchbuffer; + + ret = drmCommandWriteRead(sPriv->fd, DRM_I830_GETPARAM, + &gp, sizeof(gp)); + if (ret) { + fprintf(stderr, "drmI830GetParam: (%d) %d\n", gp.param, ret); + return GL_FALSE; + } + } + + if (glx_enable_extension != NULL) { + (*glx_enable_extension) (psc, "GLX_SGI_swap_control"); + (*glx_enable_extension) (psc, "GLX_SGI_video_sync"); + (*glx_enable_extension) (psc, "GLX_MESA_swap_control"); + (*glx_enable_extension) (psc, "GLX_MESA_swap_frame_usage"); + (*glx_enable_extension) (psc, "GLX_SGI_make_current_read"); + } + + return GL_TRUE; +} + + +static void +intelDestroyScreen(__DRIscreenPrivate * sPriv) +{ + intelScreenPrivate *intelScreen = (intelScreenPrivate *) sPriv->private; + + intelUnmapScreenRegions(intelScreen); + + if (intelScreen->havePools) { + driPoolTakeDown(intelScreen->regionPool); + driPoolTakeDown(intelScreen->staticPool); + driPoolTakeDown(intelScreen->batchPool); + } + FREE(intelScreen); + sPriv->private = NULL; +} + + +/** + * This is called when we need to set up GL rendering to a new X window. + */ +static GLboolean +intelCreateBuffer(__DRIscreenPrivate * driScrnPriv, + __DRIdrawablePrivate * driDrawPriv, + const __GLcontextModes * mesaVis, GLboolean isPixmap) +{ +#if 0 + intelScreenPrivate *screen = (intelScreenPrivate *) driScrnPriv->private; +#endif + + if (isPixmap) { + return GL_FALSE; /* not implemented */ + } + else { + GLboolean swStencil = (mesaVis->stencilBits > 0 && + mesaVis->depthBits != 24); + GLenum rgbFormat = (mesaVis->redBits == 5 ? GL_RGB5 : GL_RGBA8); + + struct intel_framebuffer *intel_fb = CALLOC_STRUCT(intel_framebuffer); + + if (!intel_fb) + return GL_FALSE; + + _mesa_initialize_framebuffer(&intel_fb->Base, mesaVis); + + { + /* fake frontbuffer */ + /* XXX allocation should only happen in the unusual case + it's actually needed */ + intel_fb->color_rb[0] + = intel_new_renderbuffer_fb(rgbFormat); + _mesa_add_renderbuffer(&intel_fb->Base, BUFFER_FRONT_LEFT, + &intel_fb->color_rb[0]->Base); + } + + if (mesaVis->doubleBufferMode) { + intel_fb->color_rb[1] + = intel_new_renderbuffer_fb(rgbFormat); + _mesa_add_renderbuffer(&intel_fb->Base, BUFFER_BACK_LEFT, + &intel_fb->color_rb[1]->Base); + +#if 0 + if (screen->third.handle) { + struct gl_renderbuffer *tmp_rb = NULL; + + intel_fb->color_rb[2] + = intel_new_renderbuffer_fb(rgbFormat); + _mesa_reference_renderbuffer(&tmp_rb, &intel_fb->color_rb[2]->Base); + } +#endif + } + + if (mesaVis->depthBits == 24 && mesaVis->stencilBits == 8) { + /* combined depth/stencil buffer */ + struct intel_renderbuffer *depthStencilRb + = intel_new_renderbuffer_fb(GL_DEPTH24_STENCIL8_EXT); + /* note: bind RB to two attachment points */ + _mesa_add_renderbuffer(&intel_fb->Base, BUFFER_DEPTH, + &depthStencilRb->Base); + _mesa_add_renderbuffer(&intel_fb->Base, BUFFER_STENCIL, + &depthStencilRb->Base); + } + else if (mesaVis->depthBits == 16) { + /* just 16-bit depth buffer, no hw stencil */ + struct intel_renderbuffer *depthRb + = intel_new_renderbuffer_fb(GL_DEPTH_COMPONENT16); + _mesa_add_renderbuffer(&intel_fb->Base, BUFFER_DEPTH, &depthRb->Base); + } + + + /* now add any/all software-based renderbuffers we may need */ + _mesa_add_soft_renderbuffers(&intel_fb->Base, + GL_FALSE, /* never sw color */ + GL_FALSE, /* never sw depth */ + swStencil, mesaVis->accumRedBits > 0, + GL_FALSE, /* never sw alpha */ + GL_FALSE /* never sw aux */ ); + driDrawPriv->driverPrivate = (void *) intel_fb; + + return GL_TRUE; + } +} + +static void +intelDestroyBuffer(__DRIdrawablePrivate * driDrawPriv) +{ + _mesa_unreference_framebuffer((GLframebuffer **)(&(driDrawPriv->driverPrivate))); +} + + +/** + * Get information about previous buffer swaps. + */ +static int +intelGetSwapInfo(__DRIdrawablePrivate * dPriv, __DRIswapInfo * sInfo) +{ + struct intel_framebuffer *intel_fb; + + if ((dPriv == NULL) || (dPriv->driverPrivate == NULL) + || (sInfo == NULL)) { + return -1; + } + + intel_fb = dPriv->driverPrivate; + sInfo->swap_count = intel_fb->swap_count; + sInfo->swap_ust = intel_fb->swap_ust; + sInfo->swap_missed_count = intel_fb->swap_missed_count; + + sInfo->swap_missed_usage = (sInfo->swap_missed_count != 0) + ? driCalculateSwapUsage(dPriv, 0, intel_fb->swap_missed_ust) + : 0.0; + + return 0; +} + + + + +static const struct __DriverAPIRec intelAPI = { + .InitDriver = intelInitDriver, + .DestroyScreen = intelDestroyScreen, + .CreateContext = intelCreateContext, + .DestroyContext = intelDestroyContext, + .CreateBuffer = intelCreateBuffer, + .DestroyBuffer = intelDestroyBuffer, + .SwapBuffers = intelSwapBuffers, + .MakeCurrent = intelMakeCurrent, + .UnbindContext = intelUnbindContext, + .GetSwapInfo = intelGetSwapInfo, + .GetMSC = driGetMSC32, + .WaitForMSC = driWaitForMSC32, + .WaitForSBC = NULL, + .SwapBuffersMSC = NULL, + .CopySubBuffer = intelCopySubBuffer, + .setTexOffset = intelSetTexOffset, +}; + + +static __GLcontextModes * +intelFillInModes(unsigned pixel_bits, unsigned depth_bits, + unsigned stencil_bits, GLboolean have_back_buffer) +{ + __GLcontextModes *modes; + __GLcontextModes *m; + unsigned num_modes; + unsigned depth_buffer_factor; + unsigned back_buffer_factor; + GLenum fb_format; + GLenum fb_type; + + /* GLX_SWAP_COPY_OML is only supported because the Intel driver doesn't + * support pageflipping at all. + */ + static const GLenum back_buffer_modes[] = { + GLX_NONE, GLX_SWAP_UNDEFINED_OML, GLX_SWAP_COPY_OML + }; + + u_int8_t depth_bits_array[3]; + u_int8_t stencil_bits_array[3]; + + + depth_bits_array[0] = 0; + depth_bits_array[1] = depth_bits; + depth_bits_array[2] = depth_bits; + + /* Just like with the accumulation buffer, always provide some modes + * with a stencil buffer. It will be a sw fallback, but some apps won't + * care about that. + */ + stencil_bits_array[0] = 0; + stencil_bits_array[1] = 0; + if (depth_bits == 24) + stencil_bits_array[1] = (stencil_bits == 0) ? 8 : stencil_bits; + + stencil_bits_array[2] = (stencil_bits == 0) ? 8 : stencil_bits; + + depth_buffer_factor = ((depth_bits != 0) || (stencil_bits != 0)) ? 3 : 1; + back_buffer_factor = (have_back_buffer) ? 3 : 1; + + num_modes = depth_buffer_factor * back_buffer_factor * 4; + + if (pixel_bits == 16) { + fb_format = GL_RGB; + fb_type = GL_UNSIGNED_SHORT_5_6_5; + } + else { + fb_format = GL_BGRA; + fb_type = GL_UNSIGNED_INT_8_8_8_8_REV; + } + + modes = + (*dri_interface->createContextModes) (num_modes, + sizeof(__GLcontextModes)); + m = modes; + if (!driFillInModes(&m, fb_format, fb_type, + depth_bits_array, stencil_bits_array, + depth_buffer_factor, back_buffer_modes, + back_buffer_factor, GLX_TRUE_COLOR)) { + fprintf(stderr, "[%s:%u] Error creating FBConfig!\n", __func__, + __LINE__); + return NULL; + } + if (!driFillInModes(&m, fb_format, fb_type, + depth_bits_array, stencil_bits_array, + depth_buffer_factor, back_buffer_modes, + back_buffer_factor, GLX_DIRECT_COLOR)) { + fprintf(stderr, "[%s:%u] Error creating FBConfig!\n", __func__, + __LINE__); + return NULL; + } + + /* Mark the visual as slow if there are "fake" stencil bits. + */ + for (m = modes; m != NULL; m = m->next) { + if ((m->stencilBits != 0) && (m->stencilBits != stencil_bits)) { + m->visualRating = GLX_SLOW_CONFIG; + } + } + + return modes; +} + + +/** + * This is the bootstrap function for the driver. libGL supplies all of the + * requisite information about the system, and the driver initializes itself. + * This routine also fills in the linked list pointed to by \c driver_modes + * with the \c __GLcontextModes that the driver can support for windows or + * pbuffers. + * + * \return A pointer to a \c __DRIscreenPrivate on success, or \c NULL on + * failure. + */ +PUBLIC void * +__driCreateNewScreen_20050727(__DRInativeDisplay * dpy, int scrn, + __DRIscreen * psc, + const __GLcontextModes * modes, + const __DRIversion * ddx_version, + const __DRIversion * dri_version, + const __DRIversion * drm_version, + const __DRIframebuffer * frame_buffer, + drmAddress pSAREA, int fd, + int internal_api_version, + const __DRIinterfaceMethods * interface, + __GLcontextModes ** driver_modes) +{ + __DRIscreenPrivate *psp; + static const __DRIversion ddx_expected = { 1, 7, 0 }; + static const __DRIversion dri_expected = { 4, 0, 0 }; + static const __DRIversion drm_expected = { 1, 7, 0 }; + + dri_interface = interface; + + if (!driCheckDriDdxDrmVersions2("i915", + dri_version, &dri_expected, + ddx_version, &ddx_expected, + drm_version, &drm_expected)) { + return NULL; + } + + psp = __driUtilCreateNewScreen(dpy, scrn, psc, NULL, + ddx_version, dri_version, drm_version, + frame_buffer, pSAREA, fd, + internal_api_version, &intelAPI); + + if (psp != NULL) { + I830DRIPtr dri_priv = (I830DRIPtr) psp->pDevPriv; + *driver_modes = intelFillInModes(dri_priv->cpp * 8, + (dri_priv->cpp == 2) ? 16 : 24, + (dri_priv->cpp == 2) ? 0 : 8, 1); + + /* Calling driInitExtensions here, with a NULL context pointer, does not actually + * enable the extensions. It just makes sure that all the dispatch offsets for all + * the extensions that *might* be enables are known. This is needed because the + * dispatch offsets need to be known when _mesa_context_create is called, but we can't + * enable the extensions until we have a context pointer. + * + * Hello chicken. Hello egg. How are you two today? + */ + driInitExtensions(NULL, card_extensions, GL_FALSE); + } + + return (void *) psp; +} + +struct intel_context *intelScreenContext(intelScreenPrivate *intelScreen) +{ + /* + * This should probably change to have the screen allocate a dummy + * context at screen creation. For now just use the current context. + */ + + GET_CURRENT_CONTEXT(ctx); + if (ctx == NULL) { +/* _mesa_problem(NULL, "No current context in intelScreenContext\n"); + return NULL; */ + /* need a context for the first time makecurrent is called (for hw lock + when allocating priv buffers) */ + if (intelScreen->dummyctxptr == NULL) { + _mesa_problem(NULL, "No current context in intelScreenContext\n"); + return NULL; + } + return intelScreen->dummyctxptr; + } + return intel_context(ctx); + +} + diff --git a/src/mesa/drivers/dri/i915pipe/intel_screen.h b/src/mesa/drivers/dri/i915pipe/intel_screen.h new file mode 100644 index 0000000000..eb4685d6e9 --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_screen.h @@ -0,0 +1,129 @@ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef _INTEL_INIT_H_ +#define _INTEL_INIT_H_ + +#include <sys/time.h> +#include "dri_util.h" +#include "intel_rotate.h" +#include "i830_common.h" +#include "xmlconfig.h" +#include "dri_bufpool.h" + +/* XXX: change name or eliminate to avoid conflict with "struct + * intel_region"!!! + */ +typedef struct +{ + drm_handle_t handle; + drmSize size; /* region size in bytes */ + char *map; /* memory map */ + int offset; /* from start of video mem, in bytes */ + int pitch; /* row stride, in bytes */ +} intelRegion; + +typedef struct +{ + intelRegion front; + + struct intel_region *front_region; + + int deviceID; + int width; + int height; + int mem; /* unused */ + + int cpp; /* for front and back buffers */ + + __DRIscreenPrivate *driScrnPriv; + unsigned int sarea_priv_offset; + + int drmMinor; + + int irq_active; + int allow_batchbuffer; + + struct matrix23 rotMatrix; + + + /** + * Configuration cache with default values for all contexts + */ + driOptionCache optionCache; + struct _DriBufferPool *batchPool; + struct _DriBufferPool *texPool; + struct _DriBufferPool *regionPool; + struct _DriBufferPool *staticPool; + unsigned int maxBatchSize; + GLboolean havePools; + struct intel_context *dummyctxptr; +} intelScreenPrivate; + + + +extern GLboolean intelMapScreenRegions(__DRIscreenPrivate * sPriv); + +extern void intelUnmapScreenRegions(intelScreenPrivate * intelScreen); + +extern void +intelUpdateScreenFromSAREA(intelScreenPrivate * intelScreen, + drmI830Sarea * sarea); + +extern void intelDestroyContext(__DRIcontextPrivate * driContextPriv); + +extern GLboolean intelUnbindContext(__DRIcontextPrivate * driContextPriv); + +extern GLboolean +intelMakeCurrent(__DRIcontextPrivate * driContextPriv, + __DRIdrawablePrivate * driDrawPriv, + __DRIdrawablePrivate * driReadPriv); + +extern void intelSwapBuffers(__DRIdrawablePrivate * dPriv); + +extern void +intelCopySubBuffer(__DRIdrawablePrivate * dPriv, int x, int y, int w, int h); + +extern struct _DriBufferPool *driBatchPoolInit(int fd, unsigned flags, + unsigned long bufSize, + unsigned numBufs, + unsigned checkDelayed); + +extern struct intel_context *intelScreenContext(intelScreenPrivate *intelScreen); + +extern void +intelUpdateScreenRotation(__DRIscreenPrivate * sPriv, drmI830Sarea * sarea); +extern GLboolean +intelCreatePools(intelScreenPrivate *intelScreen); + +extern GLboolean +intelCreateContext(const __GLcontextModes * mesaVis, + __DRIcontextPrivate * driContextPriv, + void *sharedContextPrivate); + + +#endif diff --git a/src/mesa/drivers/dri/i915pipe/intel_span.c b/src/mesa/drivers/dri/i915pipe/intel_span.c new file mode 100644 index 0000000000..5a978d9ce2 --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_span.c @@ -0,0 +1,401 @@ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#include "glheader.h" +#include "macros.h" +#include "mtypes.h" +#include "colormac.h" + +#include "intel_fbo.h" +#include "intel_screen.h" +#include "intel_span.h" +#include "intel_regions.h" +#include "intel_ioctl.h" +#include "intel_tex.h" + +#include "swrast/swrast.h" + +/* + break intelWriteRGBASpan_ARGB8888 +*/ + +#undef DBG +#define DBG 0 + +#define LOCAL_VARS \ + struct intel_renderbuffer *irb = intel_renderbuffer(rb); \ + const GLint yScale = irb->RenderToTexture ? 1 : -1; \ + const GLint yBias = irb->RenderToTexture ? 0 : irb->Base.Height - 1; \ + GLubyte *buf = (GLubyte *) irb->pfMap; \ + GLuint p; \ + assert(irb->pfMap);\ + (void) p; + +/* There is just a single cliploop! + */ +#define HW_CLIPLOOP() \ + do { \ + int minx = 0; \ + int miny = 0; \ + int maxx = irb->Base.Width - 1; \ + int maxy = irb->Base.Height - 1; + +#define HW_ENDCLIPLOOP() \ + } while (0) + + +#define Y_FLIP(_y) ((_y) * yScale + yBias) + +#define HW_LOCK() + +#define HW_UNLOCK() + +/* 16 bit, RGB565 color spanline and pixel functions + */ +#define SPANTMP_PIXEL_FMT GL_RGB +#define SPANTMP_PIXEL_TYPE GL_UNSIGNED_SHORT_5_6_5 + +#define TAG(x) intel##x##_RGB565 +#define TAG2(x,y) intel##x##_RGB565##y +#define GET_PTR(X,Y) (buf + ((Y) * irb->pfPitch + (X)) * 2) +#include "spantmp2.h" + +/* 32 bit, ARGB8888 color spanline and pixel functions + */ +#define SPANTMP_PIXEL_FMT GL_BGRA +#define SPANTMP_PIXEL_TYPE GL_UNSIGNED_INT_8_8_8_8_REV + +#define TAG(x) intel##x##_ARGB8888 +#define TAG2(x,y) intel##x##_ARGB8888##y +#define GET_PTR(X,Y) (buf + ((Y) * irb->pfPitch + (X)) * 4) +#include "spantmp2.h" + + +#define LOCAL_DEPTH_VARS \ + struct intel_renderbuffer *irb = intel_renderbuffer(rb); \ + const GLuint pitch = irb->pfPitch/***XXX region->pitch*/; /* in pixels */ \ + const GLint yScale = irb->RenderToTexture ? 1 : -1; \ + const GLint yBias = irb->RenderToTexture ? 0 : irb->Base.Height - 1; \ + char *buf = (char *) irb->pfMap/*XXX use region->map*/ ; + +#define LOCAL_STENCIL_VARS LOCAL_DEPTH_VARS + +/** + ** 16-bit depthbuffer functions. + **/ +#define WRITE_DEPTH( _x, _y, d ) \ + ((GLushort *)buf)[(_x) + (_y) * pitch] = d; + +#define READ_DEPTH( d, _x, _y ) \ + d = ((GLushort *)buf)[(_x) + (_y) * pitch]; + + +#define TAG(x) intel##x##_z16 +#include "depthtmp.h" + + +/** + ** 24/8-bit interleaved depth/stencil functions + ** Note: we're actually reading back combined depth+stencil values. + ** The wrappers in main/depthstencil.c are used to extract the depth + ** and stencil values. + **/ +/* Change ZZZS -> SZZZ */ +#define WRITE_DEPTH( _x, _y, d ) { \ + GLuint tmp = ((d) >> 8) | ((d) << 24); \ + ((GLuint *)buf)[(_x) + (_y) * pitch] = tmp; \ +} + +/* Change SZZZ -> ZZZS */ +#define READ_DEPTH( d, _x, _y ) { \ + GLuint tmp = ((GLuint *)buf)[(_x) + (_y) * pitch]; \ + d = (tmp << 8) | (tmp >> 24); \ +} + +#define TAG(x) intel##x##_z24_s8 +#include "depthtmp.h" + + +/** + ** 8-bit stencil function (XXX FBO: This is obsolete) + **/ +#define WRITE_STENCIL( _x, _y, d ) { \ + GLuint tmp = ((GLuint *)buf)[(_x) + (_y) * pitch]; \ + tmp &= 0xffffff; \ + tmp |= ((d) << 24); \ + ((GLuint *) buf)[(_x) + (_y) * pitch] = tmp; \ +} + +#define READ_STENCIL( d, _x, _y ) \ + d = ((GLuint *)buf)[(_x) + (_y) * pitch] >> 24; + +#define TAG(x) intel##x##_z24_s8 +#include "stenciltmp.h" + + + +/** + * Map or unmap all the renderbuffers which we may need during + * software rendering. + * XXX in the future, we could probably convey extra information to + * reduce the number of mappings needed. I.e. if doing a glReadPixels + * from the depth buffer, we really only need one mapping. + * + * XXX Rewrite this function someday. + * We can probably just loop over all the renderbuffer attachments, + * map/unmap all of them, and not worry about the _ColorDrawBuffers + * _ColorReadBuffer, _DepthBuffer or _StencilBuffer fields. + */ +static void +intel_map_unmap_buffers(struct intel_context *intel, GLboolean map) +{ + GLcontext *ctx = &intel->ctx; + GLuint i, j; + struct intel_renderbuffer *irb; + + /* color draw buffers */ + for (i = 0; i < ctx->Const.MaxDrawBuffers; i++) { + for (j = 0; j < ctx->DrawBuffer->_NumColorDrawBuffers[i]; j++) { + struct gl_renderbuffer *rb = + ctx->DrawBuffer->_ColorDrawBuffers[i][j]; + irb = intel_renderbuffer(rb); + if (irb) { + /* this is a user-created intel_renderbuffer */ + if (irb->region) { + if (map) + intel_region_map(intel->intelScreen, irb->region); + else + intel_region_unmap(intel->intelScreen, irb->region); + } + irb->pfMap = irb->region->map; + irb->pfPitch = irb->region->pitch; + } + } + } + + /* check for render to textures */ + for (i = 0; i < BUFFER_COUNT; i++) { + struct gl_renderbuffer_attachment *att = + ctx->DrawBuffer->Attachment + i; + struct gl_texture_object *tex = att->Texture; + if (tex) { + /* render to texture */ + ASSERT(att->Renderbuffer); + if (map) { + struct gl_texture_image *texImg; + texImg = tex->Image[att->CubeMapFace][att->TextureLevel]; + intel_tex_map_images(intel, intel_texture_object(tex)); + } + else { + intel_tex_unmap_images(intel, intel_texture_object(tex)); + } + } + } + + /* color read buffers */ + irb = intel_renderbuffer(ctx->ReadBuffer->_ColorReadBuffer); + if (irb && irb->region) { + if (map) + intel_region_map(intel->intelScreen, irb->region); + else + intel_region_unmap(intel->intelScreen, irb->region); + irb->pfMap = irb->region->map; + irb->pfPitch = irb->region->pitch; + } + + /* Account for front/back color page flipping. + * The span routines use the pfMap and pfPitch fields which will + * swap the front/back region map/pitch if we're page flipped. + * Do this after mapping, above, so the map field is valid. + */ +#if 0 + if (map && ctx->DrawBuffer->Name == 0) { + struct intel_renderbuffer *irbFront + = intel_get_renderbuffer(ctx->DrawBuffer, BUFFER_FRONT_LEFT); + struct intel_renderbuffer *irbBack + = intel_get_renderbuffer(ctx->DrawBuffer, BUFFER_BACK_LEFT); + if (irbBack) { + /* double buffered */ + if (intel->sarea->pf_current_page == 0) { + irbFront->pfMap = irbFront->region->map; + irbFront->pfPitch = irbFront->region->pitch; + irbBack->pfMap = irbBack->region->map; + irbBack->pfPitch = irbBack->region->pitch; + } + else { + irbFront->pfMap = irbBack->region->map; + irbFront->pfPitch = irbBack->region->pitch; + irbBack->pfMap = irbFront->region->map; + irbBack->pfPitch = irbFront->region->pitch; + } + } + } +#endif + + /* depth buffer (Note wrapper!) */ + if (ctx->DrawBuffer->_DepthBuffer) { + irb = intel_renderbuffer(ctx->DrawBuffer->_DepthBuffer->Wrapped); + if (irb && irb->region) { + if (map) { + intel_region_map(intel->intelScreen, irb->region); + irb->pfMap = irb->region->map; + irb->pfPitch = irb->region->pitch; + } + else { + intel_region_unmap(intel->intelScreen, irb->region); + irb->pfMap = NULL; + irb->pfPitch = 0; + } + } + } + + /* stencil buffer (Note wrapper!) */ + if (ctx->DrawBuffer->_StencilBuffer) { + irb = intel_renderbuffer(ctx->DrawBuffer->_StencilBuffer->Wrapped); + if (irb && irb->region) { + if (map) { + intel_region_map(intel->intelScreen, irb->region); + irb->pfMap = irb->region->map; + irb->pfPitch = irb->region->pitch; + } + else { + intel_region_unmap(intel->intelScreen, irb->region); + irb->pfMap = NULL; + irb->pfPitch = 0; + } + } + } +} + + + +/** + * Prepare for softare rendering. Map current read/draw framebuffers' + * renderbuffes and all currently bound texture objects. + * + * Old note: Moved locking out to get reasonable span performance. + */ +void +intelSpanRenderStart(GLcontext * ctx) +{ + struct intel_context *intel = intel_context(ctx); + GLuint i; + + intelFinish(&intel->ctx); + LOCK_HARDWARE(intel); + +#if 0 + /* Just map the framebuffer and all textures. Bufmgr code will + * take care of waiting on the necessary fences: + */ + intel_region_map(intel->intelScreen, intel->front_region); + intel_region_map(intel->intelScreen, intel->back_region); + intel_region_map(intel->intelScreen, intel->intelScreen->depth_region); +#endif + + for (i = 0; i < ctx->Const.MaxTextureCoordUnits; i++) { + if (ctx->Texture.Unit[i]._ReallyEnabled) { + struct gl_texture_object *texObj = ctx->Texture.Unit[i]._Current; + intel_tex_map_images(intel, intel_texture_object(texObj)); + } + } + + intel_map_unmap_buffers(intel, GL_TRUE); +} + +/** + * Called when done softare rendering. Unmap the buffers we mapped in + * the above function. + */ +void +intelSpanRenderFinish(GLcontext * ctx) +{ + struct intel_context *intel = intel_context(ctx); + GLuint i; + + _swrast_flush(ctx); + + /* Now unmap the framebuffer: + */ +#if 0 + intel_region_unmap(intel, intel->front_region); + intel_region_unmap(intel, intel->back_region); + intel_region_unmap(intel, intel->intelScreen->depth_region); +#endif + + for (i = 0; i < ctx->Const.MaxTextureCoordUnits; i++) { + if (ctx->Texture.Unit[i]._ReallyEnabled) { + struct gl_texture_object *texObj = ctx->Texture.Unit[i]._Current; + intel_tex_unmap_images(intel, intel_texture_object(texObj)); + } + } + + intel_map_unmap_buffers(intel, GL_FALSE); + + UNLOCK_HARDWARE(intel); +} + + +void +intelInitSpanFuncs(GLcontext * ctx) +{ + struct swrast_device_driver *swdd = _swrast_GetDeviceDriverReference(ctx); + swdd->SpanRenderStart = intelSpanRenderStart; + swdd->SpanRenderFinish = intelSpanRenderFinish; +} + + +/** + * Plug in appropriate span read/write functions for the given renderbuffer. + * These are used for the software fallbacks. + */ +void +intel_set_span_functions(struct gl_renderbuffer *rb) +{ + if (rb->_ActualFormat == GL_RGB5) { + /* 565 RGB */ + intelInitPointers_RGB565(rb); + } + else if (rb->_ActualFormat == GL_RGBA8) { + /* 8888 RGBA */ + intelInitPointers_ARGB8888(rb); + } + else if (rb->_ActualFormat == GL_DEPTH_COMPONENT16) { + intelInitDepthPointers_z16(rb); + } + else if (rb->_ActualFormat == GL_DEPTH_COMPONENT24 || /* XXX FBO remove */ + rb->_ActualFormat == GL_DEPTH24_STENCIL8_EXT) { + intelInitDepthPointers_z24_s8(rb); + } + else if (rb->_ActualFormat == GL_STENCIL_INDEX8_EXT) { /* XXX FBO remove */ + intelInitStencilPointers_z24_s8(rb); + } + else { + _mesa_problem(NULL, + "Unexpected _ActualFormat in intelSetSpanFunctions"); + } +} diff --git a/src/mesa/drivers/dri/i915pipe/intel_span.h b/src/mesa/drivers/dri/i915pipe/intel_span.h new file mode 100644 index 0000000000..5201f6d6c6 --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_span.h @@ -0,0 +1,38 @@ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef _INTEL_SPAN_H +#define _INTEL_SPAN_H + +extern void intelInitSpanFuncs(GLcontext * ctx); + +extern void intelSpanRenderFinish(GLcontext * ctx); +extern void intelSpanRenderStart(GLcontext * ctx); + +extern void intel_set_span_functions(struct gl_renderbuffer *rb); + +#endif diff --git a/src/mesa/drivers/dri/i915pipe/intel_state.c b/src/mesa/drivers/dri/i915pipe/intel_state.c new file mode 100644 index 0000000000..5c5f2c6de5 --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_state.c @@ -0,0 +1,261 @@ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +#include "glheader.h" +#include "context.h" +#include "macros.h" +#include "enums.h" +#include "colormac.h" +#include "dd.h" + +#include "intel_screen.h" +#include "intel_context.h" +#include "intel_fbo.h" +#include "intel_regions.h" +#include "swrast/swrast.h" + +int +intel_translate_compare_func(GLenum func) +{ + switch (func) { + case GL_NEVER: + return COMPAREFUNC_NEVER; + case GL_LESS: + return COMPAREFUNC_LESS; + case GL_LEQUAL: + return COMPAREFUNC_LEQUAL; + case GL_GREATER: + return COMPAREFUNC_GREATER; + case GL_GEQUAL: + return COMPAREFUNC_GEQUAL; + case GL_NOTEQUAL: + return COMPAREFUNC_NOTEQUAL; + case GL_EQUAL: + return COMPAREFUNC_EQUAL; + case GL_ALWAYS: + return COMPAREFUNC_ALWAYS; + } + + fprintf(stderr, "Unknown value in %s: %x\n", __FUNCTION__, func); + return COMPAREFUNC_ALWAYS; +} + +int +intel_translate_stencil_op(GLenum op) +{ + switch (op) { + case GL_KEEP: + return STENCILOP_KEEP; + case GL_ZERO: + return STENCILOP_ZERO; + case GL_REPLACE: + return STENCILOP_REPLACE; + case GL_INCR: + return STENCILOP_INCRSAT; + case GL_DECR: + return STENCILOP_DECRSAT; + case GL_INCR_WRAP: + return STENCILOP_INCR; + case GL_DECR_WRAP: + return STENCILOP_DECR; + case GL_INVERT: + return STENCILOP_INVERT; + default: + return STENCILOP_ZERO; + } +} + +int +intel_translate_blend_factor(GLenum factor) +{ + switch (factor) { + case GL_ZERO: + return BLENDFACT_ZERO; + case GL_SRC_ALPHA: + return BLENDFACT_SRC_ALPHA; + case GL_ONE: + return BLENDFACT_ONE; + case GL_SRC_COLOR: + return BLENDFACT_SRC_COLR; + case GL_ONE_MINUS_SRC_COLOR: + return BLENDFACT_INV_SRC_COLR; + case GL_DST_COLOR: + return BLENDFACT_DST_COLR; + case GL_ONE_MINUS_DST_COLOR: + return BLENDFACT_INV_DST_COLR; + case GL_ONE_MINUS_SRC_ALPHA: + return BLENDFACT_INV_SRC_ALPHA; + case GL_DST_ALPHA: + return BLENDFACT_DST_ALPHA; + case GL_ONE_MINUS_DST_ALPHA: + return BLENDFACT_INV_DST_ALPHA; + case GL_SRC_ALPHA_SATURATE: + return BLENDFACT_SRC_ALPHA_SATURATE; + case GL_CONSTANT_COLOR: + return BLENDFACT_CONST_COLOR; + case GL_ONE_MINUS_CONSTANT_COLOR: + return BLENDFACT_INV_CONST_COLOR; + case GL_CONSTANT_ALPHA: + return BLENDFACT_CONST_ALPHA; + case GL_ONE_MINUS_CONSTANT_ALPHA: + return BLENDFACT_INV_CONST_ALPHA; + } + + fprintf(stderr, "Unknown value in %s: %x\n", __FUNCTION__, factor); + return BLENDFACT_ZERO; +} + +int +intel_translate_logic_op(GLenum opcode) +{ + switch (opcode) { + case GL_CLEAR: + return LOGICOP_CLEAR; + case GL_AND: + return LOGICOP_AND; + case GL_AND_REVERSE: + return LOGICOP_AND_RVRSE; + case GL_COPY: + return LOGICOP_COPY; + case GL_COPY_INVERTED: + return LOGICOP_COPY_INV; + case GL_AND_INVERTED: + return LOGICOP_AND_INV; + case GL_NOOP: + return LOGICOP_NOOP; + case GL_XOR: + return LOGICOP_XOR; + case GL_OR: + return LOGICOP_OR; + case GL_OR_INVERTED: + return LOGICOP_OR_INV; + case GL_NOR: + return LOGICOP_NOR; + case GL_EQUIV: + return LOGICOP_EQUIV; + case GL_INVERT: + return LOGICOP_INV; + case GL_OR_REVERSE: + return LOGICOP_OR_RVRSE; + case GL_NAND: + return LOGICOP_NAND; + case GL_SET: + return LOGICOP_SET; + default: + return LOGICOP_SET; + } +} + + +static void +intelClearColor(GLcontext * ctx, const GLfloat color[4]) +{ + struct intel_context *intel = intel_context(ctx); + GLubyte clear[4]; + + CLAMPED_FLOAT_TO_UBYTE(clear[0], color[0]); + CLAMPED_FLOAT_TO_UBYTE(clear[1], color[1]); + CLAMPED_FLOAT_TO_UBYTE(clear[2], color[2]); + CLAMPED_FLOAT_TO_UBYTE(clear[3], color[3]); + + /* compute both 32 and 16-bit clear values */ + intel->ClearColor8888 = INTEL_PACKCOLOR8888(clear[0], clear[1], + clear[2], clear[3]); + intel->ClearColor565 = INTEL_PACKCOLOR565(clear[0], clear[1], clear[2]); +} + + +/** + * Update the viewport transformation matrix. Depends on: + * - viewport pos/size + * - depthrange + * - window size or FBO size + */ +static void +intelCalcViewport(GLcontext * ctx) +{ + struct intel_context *intel = intel_context(ctx); + const GLfloat *v = ctx->Viewport._WindowMap.m; + const GLfloat depthScale = 1.0F / ctx->DrawBuffer->_DepthMaxF; + GLfloat *m = intel->ViewportMatrix.m; + GLfloat yScale, yBias; + + struct intel_renderbuffer *irb + = intel_renderbuffer(ctx->DrawBuffer->_ColorDrawBuffers[0][0]); + if (irb && !irb->RenderToTexture) { + /* y=0=top */ + yScale = -1.0; + yBias = irb->Base.Height; + } + else { + /* y=0=bottom */ + yScale = 1.0; + yBias = 0.0; + } + + m[MAT_SX] = v[MAT_SX]; + m[MAT_TX] = v[MAT_TX] + SUBPIXEL_X; + + m[MAT_SY] = v[MAT_SY] * yScale; + m[MAT_TY] = v[MAT_TY] * yScale + yBias + SUBPIXEL_Y; + + m[MAT_SZ] = v[MAT_SZ] * depthScale; + m[MAT_TZ] = v[MAT_TZ] * depthScale; +} + +static void +intelViewport(GLcontext * ctx, + GLint x, GLint y, GLsizei width, GLsizei height) +{ + intelCalcViewport(ctx); +} + +static void +intelDepthRange(GLcontext * ctx, GLclampd nearval, GLclampd farval) +{ + intelCalcViewport(ctx); +} + +/* Fallback to swrast for select and feedback. + */ +static void +intelRenderMode(GLcontext * ctx, GLenum mode) +{ + struct intel_context *intel = intel_context(ctx); + FALLBACK(intel, INTEL_FALLBACK_RENDERMODE, (mode != GL_RENDER)); +} + + +void +intelInitStateFuncs(struct dd_function_table *functions) +{ + functions->RenderMode = intelRenderMode; + functions->Viewport = intelViewport; + functions->DepthRange = intelDepthRange; + functions->ClearColor = intelClearColor; +} diff --git a/src/mesa/drivers/dri/i915pipe/intel_structs.h b/src/mesa/drivers/dri/i915pipe/intel_structs.h new file mode 100644 index 0000000000..522e3bd92c --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_structs.h @@ -0,0 +1,132 @@ +#ifndef INTEL_STRUCTS_H +#define INTEL_STRUCTS_H + +struct br0 { + GLuint length:8; + GLuint pad0:3; + GLuint dst_tiled:1; + GLuint pad1:8; + GLuint write_rgb:1; + GLuint write_alpha:1; + GLuint opcode:7; + GLuint client:3; +}; + + +struct br13 { + GLint dest_pitch:16; + GLuint rop:8; + GLuint color_depth:2; + GLuint pad1:3; + GLuint mono_source_transparency:1; + GLuint clipping_enable:1; + GLuint pad0:1; +}; + + + +/* This is an attempt to move some of the 2D interaction in this + * driver to using structs for packets rather than a bunch of #defines + * and dwords. + */ +struct xy_color_blit { + struct br0 br0; + struct br13 br13; + + struct { + GLuint dest_x1:16; + GLuint dest_y1:16; + } dw2; + + struct { + GLuint dest_x2:16; + GLuint dest_y2:16; + } dw3; + + GLuint dest_base_addr; + GLuint color; +}; + +struct xy_src_copy_blit { + struct br0 br0; + struct br13 br13; + + struct { + GLuint dest_x1:16; + GLuint dest_y1:16; + } dw2; + + struct { + GLuint dest_x2:16; + GLuint dest_y2:16; + } dw3; + + GLuint dest_base_addr; + + struct { + GLuint src_x1:16; + GLuint src_y1:16; + } dw5; + + struct { + GLint src_pitch:16; + GLuint pad:16; + } dw6; + + GLuint src_base_addr; +}; + +struct xy_setup_blit { + struct br0 br0; + struct br13 br13; + + struct { + GLuint clip_x1:16; + GLuint clip_y1:16; + } dw2; + + struct { + GLuint clip_x2:16; + GLuint clip_y2:16; + } dw3; + + GLuint dest_base_addr; + GLuint background_color; + GLuint foreground_color; + GLuint pattern_base_addr; +}; + + +struct xy_text_immediate_blit { + struct { + GLuint length:8; + GLuint pad2:3; + GLuint dst_tiled:1; + GLuint pad1:4; + GLuint byte_packed:1; + GLuint pad0:5; + GLuint opcode:7; + GLuint client:3; + } dw0; + + struct { + GLuint dest_x1:16; + GLuint dest_y1:16; + } dw1; + + struct { + GLuint dest_x2:16; + GLuint dest_y2:16; + } dw2; + + /* Src bitmap data follows as inline dwords. + */ +}; + + +#define CLIENT_2D 0x2 +#define OPCODE_XY_SETUP_BLT 0x1 +#define OPCODE_XY_COLOR_BLT 0x50 +#define OPCODE_XY_TEXT_IMMEDIATE_BLT 0x31 + +#endif diff --git a/src/mesa/drivers/dri/i915pipe/intel_surface.c b/src/mesa/drivers/dri/i915pipe/intel_surface.c new file mode 100644 index 0000000000..043c5aa5fe --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_surface.c @@ -0,0 +1,259 @@ +#include "glheader.h" +#include "context.h" +#include "framebuffer.h" +#include "renderbuffer.h" +#include "utils.h" +#include "main/macros.h" + + +#include "intel_screen.h" + +#include "intel_context.h" +#include "intel_buffers.h" +#include "intel_regions.h" +#include "intel_span.h" +#include "intel_fbo.h" + +#include "pipe/p_state.h" +#include "pipe/p_defines.h" +#include "pipe/softpipe/sp_surface.h" + + +/* + * XXX a lof of this is a temporary kludge + */ + +/** + * Note: the arithmetic/addressing in these functions is a little + * tricky since we need to invert the Y axis. + */ + + +static void +read_quad_f_swz(struct softpipe_surface *sps, GLint x, GLint y, + GLfloat (*rrrr)[QUAD_SIZE]) +{ + const GLint bytesPerRow = sps->surface.stride * sps->surface.cpp; + const GLint invY = sps->surface.height - y - 1; + const GLubyte *src = sps->surface.ptr + invY * bytesPerRow + x * sps->surface.cpp; + GLfloat *dst = (GLfloat *) rrrr; + GLubyte temp[16]; + GLuint j; + + assert(sps->surface.format == PIPE_FORMAT_U_A8_R8_G8_B8); + + memcpy(temp + 8, src, 8); + memcpy(temp + 0, src + bytesPerRow, 8); + + for (j = 0; j < 4; j++) { + dst[0 * 4 + j] = UBYTE_TO_FLOAT(temp[j * 4 + 2]); /*R*/ + dst[1 * 4 + j] = UBYTE_TO_FLOAT(temp[j * 4 + 1]); /*G*/ + dst[2 * 4 + j] = UBYTE_TO_FLOAT(temp[j * 4 + 0]); /*B*/ + dst[3 * 4 + j] = UBYTE_TO_FLOAT(temp[j * 4 + 3]); /*A*/ + } +} + + +static void +write_quad_f_swz(struct softpipe_surface *sps, GLint x, GLint y, + GLfloat (*rrrr)[QUAD_SIZE]) +{ + const GLfloat *src = (const GLfloat *) rrrr; + const GLint bytesPerRow = sps->surface.stride * sps->surface.cpp; + const GLint invY = sps->surface.height - y - 1; + GLubyte *dst = sps->surface.ptr + invY * bytesPerRow + x * sps->surface.cpp; + GLubyte temp[16]; + GLuint j; + + assert(sps->surface.format == PIPE_FORMAT_U_A8_R8_G8_B8); + + for (j = 0; j < 4; j++) { + UNCLAMPED_FLOAT_TO_UBYTE(temp[j * 4 + 2], src[0 * 4 + j]); /*R*/ + UNCLAMPED_FLOAT_TO_UBYTE(temp[j * 4 + 1], src[1 * 4 + j]); /*G*/ + UNCLAMPED_FLOAT_TO_UBYTE(temp[j * 4 + 0], src[2 * 4 + j]); /*B*/ + UNCLAMPED_FLOAT_TO_UBYTE(temp[j * 4 + 3], src[3 * 4 + j]); /*A*/ + } + + memcpy(dst, temp + 8, 8); + memcpy(dst + bytesPerRow, temp + 0, 8); +} + + + +static void +read_quad_z24(struct softpipe_surface *sps, + GLint x, GLint y, GLuint zzzz[QUAD_SIZE]) +{ + static const GLuint mask = 0xffffff; + const GLint invY = sps->surface.height - y - 1; + const GLuint *src + = (GLuint *) (sps->surface.ptr + + (invY * sps->surface.stride + x) * sps->surface.cpp); + + assert(sps->surface.format == PIPE_FORMAT_Z24_S8); + + /* extract lower three bytes */ + zzzz[0] = src[0] & mask; + zzzz[1] = src[1] & mask; + zzzz[2] = src[-sps->surface.stride] & mask; + zzzz[3] = src[-sps->surface.stride + 1] & mask; +} + +static void +write_quad_z24(struct softpipe_surface *sps, + GLint x, GLint y, const GLuint zzzz[QUAD_SIZE]) +{ + static const GLuint mask = 0xff000000; + const GLint invY = sps->surface.height - y - 1; + GLuint *dst + = (GLuint *) (sps->surface.ptr + + (invY * sps->surface.stride + x) * sps->surface.cpp); + + assert(sps->surface.format == PIPE_FORMAT_Z24_S8); + + /* write lower three bytes */ + dst[0] = (dst[0] & mask) | zzzz[0]; + dst[1] = (dst[1] & mask) | zzzz[1]; + dst -= sps->surface.stride; + dst[0] = (dst[0] & mask) | zzzz[2]; + dst[1] = (dst[1] & mask) | zzzz[3]; +} + + +static void +read_quad_stencil(struct softpipe_surface *sps, + GLint x, GLint y, GLubyte ssss[QUAD_SIZE]) +{ + const GLint invY = sps->surface.height - y - 1; + const GLuint *src = (const GLuint *) (sps->surface.ptr + + (invY * sps->surface.stride + x) * sps->surface.cpp); + + assert(sps->surface.format == PIPE_FORMAT_Z24_S8); + + /* extract high byte */ + ssss[0] = src[0] >> 24; + ssss[1] = src[1] >> 24; + ssss[2] = src[-sps->surface.width] >> 24; + ssss[3] = src[-sps->surface.width + 1] >> 24; +} + +static void +write_quad_stencil(struct softpipe_surface *sps, + GLint x, GLint y, const GLubyte ssss[QUAD_SIZE]) +{ + static const GLuint mask = 0x00ffffff; + const GLint invY = sps->surface.height - y - 1; + GLuint *dst = (GLuint *) (sps->surface.ptr + + (invY * sps->surface.stride + x) * sps->surface.cpp); + + assert(sps->surface.format == PIPE_FORMAT_Z24_S8); + + /* write high byte */ + dst[0] = (dst[0] & mask) | (ssss[0] << 24); + dst[1] = (dst[1] & mask) | (ssss[1] << 24); + dst -= sps->surface.stride; + dst[0] = (dst[0] & mask) | (ssss[2] << 24); + dst[1] = (dst[1] & mask) | (ssss[3] << 24); +} + + +static void * +map_surface_buffer(struct pipe_buffer *pb, GLuint access_mode) +{ + struct softpipe_surface *sps = (struct softpipe_surface *) pb; + struct intel_renderbuffer *irb = (struct intel_renderbuffer *) sps->surface.rb; + assert(access_mode == PIPE_MAP_READ_WRITE); + + /*LOCK_HARDWARE(intel);*/ + + if (irb->region) { + GET_CURRENT_CONTEXT(ctx); + struct intel_context *intel = intel_context(ctx); +#if 0 + intelFinish(&intel->ctx); /* XXX need this? */ +#endif + intel_region_map(intel->intelScreen, irb->region); + } + pb->ptr = irb->region->map; + + sps->surface.stride = irb->region->pitch; + sps->surface.cpp = irb->region->cpp; + sps->surface.ptr = irb->region->map; + + return pb->ptr; +} + + +static void +unmap_surface_buffer(struct pipe_buffer *pb) +{ + struct softpipe_surface *sps = (struct softpipe_surface *) pb; + struct intel_renderbuffer *irb = (struct intel_renderbuffer *) sps->surface.rb; + + if (irb->region) { + GET_CURRENT_CONTEXT(ctx); + struct intel_context *intel = intel_context(ctx); + intel_region_unmap(intel->intelScreen, irb->region); + } + pb->ptr = NULL; + + sps->surface.stride = 0; + sps->surface.cpp = 0; + sps->surface.ptr = NULL; + + /*UNLOCK_HARDWARE(intel);*/ +} + + +struct pipe_surface * +intel_new_surface(GLuint intFormat) +{ + struct softpipe_surface *sps = CALLOC_STRUCT(softpipe_surface); + if (!sps) + return NULL; + + sps->surface.width = 0; /* set in intel_alloc_renderbuffer_storage() */ + sps->surface.height = 0; + + if (intFormat == GL_RGBA8) { + sps->surface.format = PIPE_FORMAT_U_A8_R8_G8_B8; + sps->read_quad_f_swz = read_quad_f_swz; + sps->write_quad_f_swz = write_quad_f_swz; + } + else if (intFormat == GL_RGB5) { + sps->surface.format = PIPE_FORMAT_U_R5_G6_B5; + + } + else if (intFormat == GL_DEPTH_COMPONENT16) { + sps->surface.format = PIPE_FORMAT_U_Z16; + + } + else if (intFormat == GL_DEPTH24_STENCIL8_EXT) { + sps->surface.format = PIPE_FORMAT_Z24_S8; + sps->read_quad_z = read_quad_z24; + sps->write_quad_z = write_quad_z24; + sps->read_quad_stencil = read_quad_stencil; + sps->write_quad_stencil = write_quad_stencil; + } + else { + /* TBD / unknown */ + + } + + sps->surface.buffer.map = map_surface_buffer; + sps->surface.buffer.unmap = unmap_surface_buffer; + + return &sps->surface; +} + + + +struct pipe_surface * +xmesa_get_stencil_surface(GLcontext *ctx) +{ + /* XXX fix */ + return NULL; +} + + + diff --git a/src/mesa/drivers/dri/i915pipe/intel_tex.c b/src/mesa/drivers/dri/i915pipe/intel_tex.c new file mode 100644 index 0000000000..b08dee43bc --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_tex.c @@ -0,0 +1,192 @@ +#include "texobj.h" +#include "intel_context.h" +#include "intel_mipmap_tree.h" +#include "intel_tex.h" + +#define FILE_DEBUG_FLAG DEBUG_TEXTURE + +static GLboolean +intelIsTextureResident(GLcontext * ctx, struct gl_texture_object *texObj) +{ +#if 0 + struct intel_context *intel = intel_context(ctx); + struct intel_texture_object *intelObj = intel_texture_object(texObj); + + return + intelObj->mt && + intelObj->mt->region && + intel_is_region_resident(intel, intelObj->mt->region); +#endif + return 1; +} + + + +static struct gl_texture_image * +intelNewTextureImage(GLcontext * ctx) +{ + DBG("%s\n", __FUNCTION__); + (void) ctx; + return (struct gl_texture_image *) CALLOC_STRUCT(intel_texture_image); +} + + +static struct gl_texture_object * +intelNewTextureObject(GLcontext * ctx, GLuint name, GLenum target) +{ + struct intel_texture_object *obj = CALLOC_STRUCT(intel_texture_object); + + DBG("%s\n", __FUNCTION__); + _mesa_initialize_texture_object(&obj->base, name, target); + + return &obj->base; +} + +static void +intelDeleteTextureObject(GLcontext *ctx, + struct gl_texture_object *texObj) +{ + struct intel_context *intel = intel_context(ctx); + struct intel_texture_object *intelObj = intel_texture_object(texObj); + + if (intelObj->mt) + intel_miptree_release(intel, &intelObj->mt); + + _mesa_delete_texture_object(ctx, texObj); +} + + +static void +intelFreeTextureImageData(GLcontext * ctx, struct gl_texture_image *texImage) +{ + struct intel_context *intel = intel_context(ctx); + struct intel_texture_image *intelImage = intel_texture_image(texImage); + + DBG("%s\n", __FUNCTION__); + + if (intelImage->mt) { + intel_miptree_release(intel, &intelImage->mt); + } + + if (texImage->Data) { + free(texImage->Data); + texImage->Data = NULL; + } +} + + +/* The system memcpy (at least on ubuntu 5.10) has problems copying + * to agp (writecombined) memory from a source which isn't 64-byte + * aligned - there is a 4x performance falloff. + * + * The x86 __memcpy is immune to this but is slightly slower + * (10%-ish) than the system memcpy. + * + * The sse_memcpy seems to have a slight cliff at 64/32 bytes, but + * isn't much faster than x86_memcpy for agp copies. + * + * TODO: switch dynamically. + */ +static void * +do_memcpy(void *dest, const void *src, size_t n) +{ + if ((((unsigned) src) & 63) || (((unsigned) dest) & 63)) { + return __memcpy(dest, src, n); + } + else + return memcpy(dest, src, n); +} + + +#if DO_DEBUG + +#ifndef __x86_64__ +static unsigned +fastrdtsc(void) +{ + unsigned eax; + __asm__ volatile ("\t" + "pushl %%ebx\n\t" + "cpuid\n\t" ".byte 0x0f, 0x31\n\t" + "popl %%ebx\n":"=a" (eax) + :"0"(0) + :"ecx", "edx", "cc"); + + return eax; +} +#else +static unsigned +fastrdtsc(void) +{ + unsigned eax; + __asm__ volatile ("\t" "cpuid\n\t" ".byte 0x0f, 0x31\n\t":"=a" (eax) + :"0"(0) + :"ecx", "edx", "ebx", "cc"); + + return eax; +} +#endif + +static unsigned +time_diff(unsigned t, unsigned t2) +{ + return ((t < t2) ? t2 - t : 0xFFFFFFFFU - (t - t2 - 1)); +} + + +static void * +timed_memcpy(void *dest, const void *src, size_t n) +{ + void *ret; + unsigned t1, t2; + double rate; + + if ((((unsigned) src) & 63) || (((unsigned) dest) & 63)) + _mesa_printf("Warning - non-aligned texture copy!\n"); + + t1 = fastrdtsc(); + ret = do_memcpy(dest, src, n); + t2 = fastrdtsc(); + + rate = time_diff(t1, t2); + rate /= (double) n; + _mesa_printf("timed_memcpy: %u %u --> %f clocks/byte\n", t1, t2, rate); + return ret; +} +#endif /* DO_DEBUG */ + + +void +intelInitTextureFuncs(struct dd_function_table *functions) +{ + functions->ChooseTextureFormat = intelChooseTextureFormat; + functions->TexImage1D = intelTexImage1D; + functions->TexImage2D = intelTexImage2D; + functions->TexImage3D = intelTexImage3D; + functions->TexSubImage1D = intelTexSubImage1D; + functions->TexSubImage2D = intelTexSubImage2D; + functions->TexSubImage3D = intelTexSubImage3D; + functions->CopyTexImage1D = intelCopyTexImage1D; + functions->CopyTexImage2D = intelCopyTexImage2D; + functions->CopyTexSubImage1D = intelCopyTexSubImage1D; + functions->CopyTexSubImage2D = intelCopyTexSubImage2D; + functions->GetTexImage = intelGetTexImage; + + /* compressed texture functions */ + functions->CompressedTexImage2D = intelCompressedTexImage2D; + functions->GetCompressedTexImage = intelGetCompressedTexImage; + + functions->NewTextureObject = intelNewTextureObject; + functions->NewTextureImage = intelNewTextureImage; + functions->DeleteTexture = intelDeleteTextureObject; + functions->FreeTexImageData = intelFreeTextureImageData; + functions->UpdateTexturePalette = 0; + functions->IsTextureResident = intelIsTextureResident; + +#if DO_DEBUG + if (INTEL_DEBUG & DEBUG_BUFMGR) + functions->TextureMemCpy = timed_memcpy; + else +#endif + functions->TextureMemCpy = do_memcpy; +} diff --git a/src/mesa/drivers/dri/i915pipe/intel_tex.h b/src/mesa/drivers/dri/i915pipe/intel_tex.h new file mode 100644 index 0000000000..b77d7a1d8a --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_tex.h @@ -0,0 +1,151 @@ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef INTELTEX_INC +#define INTELTEX_INC + +#include "mtypes.h" +#include "intel_context.h" +#include "texmem.h" + + +void intelInitTextureFuncs(struct dd_function_table *functions); + +const struct gl_texture_format *intelChooseTextureFormat(GLcontext * ctx, + GLint internalFormat, + GLenum format, + GLenum type); + + +void intelTexImage3D(GLcontext * ctx, + GLenum target, GLint level, + GLint internalFormat, + GLint width, GLint height, GLint depth, + GLint border, + GLenum format, GLenum type, const void *pixels, + const struct gl_pixelstore_attrib *packing, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage); + +void intelTexSubImage3D(GLcontext * ctx, + GLenum target, + GLint level, + GLint xoffset, GLint yoffset, GLint zoffset, + GLsizei width, GLsizei height, GLsizei depth, + GLenum format, GLenum type, + const GLvoid * pixels, + const struct gl_pixelstore_attrib *packing, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage); + +void intelTexImage2D(GLcontext * ctx, + GLenum target, GLint level, + GLint internalFormat, + GLint width, GLint height, GLint border, + GLenum format, GLenum type, const void *pixels, + const struct gl_pixelstore_attrib *packing, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage); + +void intelTexSubImage2D(GLcontext * ctx, + GLenum target, + GLint level, + GLint xoffset, GLint yoffset, + GLsizei width, GLsizei height, + GLenum format, GLenum type, + const GLvoid * pixels, + const struct gl_pixelstore_attrib *packing, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage); + +void intelTexImage1D(GLcontext * ctx, + GLenum target, GLint level, + GLint internalFormat, + GLint width, GLint border, + GLenum format, GLenum type, const void *pixels, + const struct gl_pixelstore_attrib *packing, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage); + +void intelTexSubImage1D(GLcontext * ctx, + GLenum target, + GLint level, + GLint xoffset, + GLsizei width, + GLenum format, GLenum type, + const GLvoid * pixels, + const struct gl_pixelstore_attrib *packing, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage); + +void intelCopyTexImage1D(GLcontext * ctx, GLenum target, GLint level, + GLenum internalFormat, + GLint x, GLint y, GLsizei width, GLint border); + +void intelCopyTexImage2D(GLcontext * ctx, GLenum target, GLint level, + GLenum internalFormat, + GLint x, GLint y, GLsizei width, GLsizei height, + GLint border); + +void intelCopyTexSubImage1D(GLcontext * ctx, GLenum target, GLint level, + GLint xoffset, GLint x, GLint y, GLsizei width); + +void intelCopyTexSubImage2D(GLcontext * ctx, GLenum target, GLint level, + GLint xoffset, GLint yoffset, + GLint x, GLint y, GLsizei width, GLsizei height); + +void intelGetTexImage(GLcontext * ctx, GLenum target, GLint level, + GLenum format, GLenum type, GLvoid * pixels, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage); + +void intelCompressedTexImage2D( GLcontext *ctx, GLenum target, GLint level, + GLint internalFormat, + GLint width, GLint height, GLint border, + GLsizei imageSize, const GLvoid *data, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage ); + +void intelGetCompressedTexImage(GLcontext *ctx, GLenum target, GLint level, + GLvoid *pixels, + const struct gl_texture_object *texObj, + const struct gl_texture_image *texImage); + +void intelSetTexOffset(__DRIcontext *pDRICtx, GLint texname, + unsigned long long offset, GLint depth, GLuint pitch); + +GLuint intel_finalize_mipmap_tree(struct intel_context *intel, GLuint unit); + +void intel_tex_map_images(struct intel_context *intel, + struct intel_texture_object *intelObj); + +void intel_tex_unmap_images(struct intel_context *intel, + struct intel_texture_object *intelObj); + +int intel_compressed_num_bytes(GLuint mesaFormat); + +#endif diff --git a/src/mesa/drivers/dri/i915pipe/intel_tex_copy.c b/src/mesa/drivers/dri/i915pipe/intel_tex_copy.c new file mode 100644 index 0000000000..8d7f8f9d91 --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_tex_copy.c @@ -0,0 +1,293 @@ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#include "mtypes.h" +#include "enums.h" +#include "image.h" +#include "teximage.h" +#include "swrast/swrast.h" + +#include "intel_screen.h" +#include "intel_context.h" +#include "intel_batchbuffer.h" +#include "intel_buffers.h" +#include "intel_mipmap_tree.h" +#include "intel_regions.h" +#include "intel_fbo.h" +#include "intel_tex.h" +#include "intel_blit.h" +#include "intel_pixel.h" + +#define FILE_DEBUG_FLAG DEBUG_TEXTURE + +/** + * Get the intel_region which is the source for any glCopyTex[Sub]Image call. + * + * Do the best we can using the blitter. A future project is to use + * the texture engine and fragment programs for these copies. + */ +static const struct intel_region * +get_teximage_source(struct intel_context *intel, GLenum internalFormat) +{ + struct intel_renderbuffer *irb; + + DBG("%s %s\n", __FUNCTION__, + _mesa_lookup_enum_by_nr(internalFormat)); + + switch (internalFormat) { + case GL_DEPTH_COMPONENT: + case GL_DEPTH_COMPONENT16_ARB: + irb = intel_get_renderbuffer(intel->ctx.ReadBuffer, BUFFER_DEPTH); + if (irb && irb->region && irb->region->cpp == 2) + return irb->region; + return NULL; + case GL_DEPTH24_STENCIL8_EXT: + case GL_DEPTH_STENCIL_EXT: + irb = intel_get_renderbuffer(intel->ctx.ReadBuffer, BUFFER_DEPTH); + if (irb && irb->region && irb->region->cpp == 4) + return irb->region; + return NULL; + case GL_RGBA: + case GL_RGBA8: + return intel_readbuf_region(intel); + case GL_RGB: + if (intel->intelScreen->cpp == 2) + return intel_readbuf_region(intel); + return NULL; + default: + return NULL; + } +} + + +static GLboolean +do_copy_texsubimage(struct intel_context *intel, + struct intel_texture_image *intelImage, + GLenum internalFormat, + GLint dstx, GLint dsty, + GLint x, GLint y, GLsizei width, GLsizei height) +{ + GLcontext *ctx = &intel->ctx; + const struct intel_region *src = + get_teximage_source(intel, internalFormat); + + if (!intelImage->mt || !src) { + DBG("%s fail %p %p\n", __FUNCTION__, intelImage->mt, src); + return GL_FALSE; + } + + intelFlush(ctx); + /* XXX still need the lock ? */ + LOCK_HARDWARE(intel); + { + GLuint image_offset = intel_miptree_image_offset(intelImage->mt, + intelImage->face, + intelImage->level); + const GLint orig_x = x; + const GLint orig_y = y; + const struct gl_framebuffer *fb = ctx->DrawBuffer; + + if (_mesa_clip_to_region(fb->_Xmin, fb->_Ymin, fb->_Xmax, fb->_Ymax, + &x, &y, &width, &height)) { + /* Update dst for clipped src. Need to also clip the source rect. + */ + dstx += x - orig_x; + dsty += y - orig_y; + + if (!(ctx->ReadBuffer->Name == 0)) { + /* XXX this looks bogus ? */ + /* FBO: invert Y */ + y = ctx->ReadBuffer->Height - y - 1; + } + + /* A bit of fiddling to get the blitter to work with -ve + * pitches. But we get a nice inverted blit this way, so it's + * worth it: + */ + intelEmitCopyBlit(intel, + intelImage->mt->cpp, + -src->pitch, + src->buffer, + src->height * src->pitch * src->cpp, + intelImage->mt->pitch, + intelImage->mt->region->buffer, + image_offset, + x, y + height, dstx, dsty, width, height, + GL_COPY); /* ? */ + + intel_batchbuffer_flush(intel->batch); + } + } + + + UNLOCK_HARDWARE(intel); + +#if 0 + /* GL_SGIS_generate_mipmap -- this can be accelerated now. + * XXX Add a ctx->Driver.GenerateMipmaps() function? + */ + if (level == texObj->BaseLevel && texObj->GenerateMipmap) { + intel_generate_mipmap(ctx, target, + &ctx->Texture.Unit[ctx->Texture.CurrentUnit], + texObj); + } +#endif + + return GL_TRUE; +} + + + + + +void +intelCopyTexImage1D(GLcontext * ctx, GLenum target, GLint level, + GLenum internalFormat, + GLint x, GLint y, GLsizei width, GLint border) +{ + struct gl_texture_unit *texUnit = + &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + struct gl_texture_object *texObj = + _mesa_select_tex_object(ctx, texUnit, target); + struct gl_texture_image *texImage = + _mesa_select_tex_image(ctx, texObj, target, level); + + if (border) + goto fail; + + /* Setup or redefine the texture object, mipmap tree and texture + * image. Don't populate yet. + */ + ctx->Driver.TexImage1D(ctx, target, level, internalFormat, + width, border, + GL_RGBA, CHAN_TYPE, NULL, + &ctx->DefaultPacking, texObj, texImage); + + if (!do_copy_texsubimage(intel_context(ctx), + intel_texture_image(texImage), + internalFormat, 0, 0, x, y, width, 1)) + goto fail; + + return; + + fail: + _swrast_copy_teximage1d(ctx, target, level, internalFormat, x, y, + width, border); +} + +void +intelCopyTexImage2D(GLcontext * ctx, GLenum target, GLint level, + GLenum internalFormat, + GLint x, GLint y, GLsizei width, GLsizei height, + GLint border) +{ + struct gl_texture_unit *texUnit = + &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + struct gl_texture_object *texObj = + _mesa_select_tex_object(ctx, texUnit, target); + struct gl_texture_image *texImage = + _mesa_select_tex_image(ctx, texObj, target, level); + + if (border) + goto fail; + + /* Setup or redefine the texture object, mipmap tree and texture + * image. Don't populate yet. + */ + ctx->Driver.TexImage2D(ctx, target, level, internalFormat, + width, height, border, + GL_RGBA, CHAN_TYPE, NULL, + &ctx->DefaultPacking, texObj, texImage); + + + if (!do_copy_texsubimage(intel_context(ctx), + intel_texture_image(texImage), + internalFormat, 0, 0, x, y, width, height)) + goto fail; + + return; + + fail: + _swrast_copy_teximage2d(ctx, target, level, internalFormat, x, y, + width, height, border); +} + + +void +intelCopyTexSubImage1D(GLcontext * ctx, GLenum target, GLint level, + GLint xoffset, GLint x, GLint y, GLsizei width) +{ + struct gl_texture_unit *texUnit = + &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + struct gl_texture_object *texObj = + _mesa_select_tex_object(ctx, texUnit, target); + struct gl_texture_image *texImage = + _mesa_select_tex_image(ctx, texObj, target, level); + GLenum internalFormat = texImage->InternalFormat; + + /* XXX need to check <border> as in above function? */ + + /* Need to check texture is compatible with source format. + */ + + if (!do_copy_texsubimage(intel_context(ctx), + intel_texture_image(texImage), + internalFormat, xoffset, 0, x, y, width, 1)) { + _swrast_copy_texsubimage1d(ctx, target, level, xoffset, x, y, width); + } +} + + + +void +intelCopyTexSubImage2D(GLcontext * ctx, GLenum target, GLint level, + GLint xoffset, GLint yoffset, + GLint x, GLint y, GLsizei width, GLsizei height) +{ + struct gl_texture_unit *texUnit = + &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + struct gl_texture_object *texObj = + _mesa_select_tex_object(ctx, texUnit, target); + struct gl_texture_image *texImage = + _mesa_select_tex_image(ctx, texObj, target, level); + GLenum internalFormat = texImage->InternalFormat; + + + /* Need to check texture is compatible with source format. + */ + + if (!do_copy_texsubimage(intel_context(ctx), + intel_texture_image(texImage), + internalFormat, + xoffset, yoffset, x, y, width, height)) { + + DBG("%s - fallback to swrast\n", __FUNCTION__); + + _swrast_copy_texsubimage2d(ctx, target, level, + xoffset, yoffset, x, y, width, height); + } +} diff --git a/src/mesa/drivers/dri/i915pipe/intel_tex_format.c b/src/mesa/drivers/dri/i915pipe/intel_tex_format.c new file mode 100644 index 0000000000..6e058dff69 --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_tex_format.c @@ -0,0 +1,172 @@ +#include "intel_context.h" +#include "intel_tex.h" +#include "texformat.h" +#include "enums.h" + +/* It works out that this function is fine for all the supported + * hardware. However, there is still a need to map the formats onto + * hardware descriptors. + */ +/* Note that the i915 can actually support many more formats than + * these if we take the step of simply swizzling the colors + * immediately after sampling... + */ +const struct gl_texture_format * +intelChooseTextureFormat(GLcontext * ctx, GLint internalFormat, + GLenum format, GLenum type) +{ + struct intel_context *intel = intel_context(ctx); + const GLboolean do32bpt = (intel->intelScreen->cpp == 4); + + switch (internalFormat) { + case 4: + case GL_RGBA: + case GL_COMPRESSED_RGBA: + if (format == GL_BGRA) { + if (type == GL_UNSIGNED_BYTE || type == GL_UNSIGNED_INT_8_8_8_8_REV) { + return &_mesa_texformat_argb8888; + } + else if (type == GL_UNSIGNED_SHORT_4_4_4_4_REV) { + return &_mesa_texformat_argb4444; + } + else if (type == GL_UNSIGNED_SHORT_1_5_5_5_REV) { + return &_mesa_texformat_argb1555; + } + } + return do32bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_argb4444; + + case 3: + case GL_RGB: + case GL_COMPRESSED_RGB: + if (format == GL_RGB && type == GL_UNSIGNED_SHORT_5_6_5) { + return &_mesa_texformat_rgb565; + } + return do32bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_rgb565; + + case GL_RGBA8: + case GL_RGB10_A2: + case GL_RGBA12: + case GL_RGBA16: + return do32bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_argb4444; + + case GL_RGBA4: + case GL_RGBA2: + return &_mesa_texformat_argb4444; + + case GL_RGB5_A1: + return &_mesa_texformat_argb1555; + + case GL_RGB8: + case GL_RGB10: + case GL_RGB12: + case GL_RGB16: + return &_mesa_texformat_argb8888; + + case GL_RGB5: + case GL_RGB4: + case GL_R3_G3_B2: + return &_mesa_texformat_rgb565; + + case GL_ALPHA: + case GL_ALPHA4: + case GL_ALPHA8: + case GL_ALPHA12: + case GL_ALPHA16: + case GL_COMPRESSED_ALPHA: + return &_mesa_texformat_a8; + + case 1: + case GL_LUMINANCE: + case GL_LUMINANCE4: + case GL_LUMINANCE8: + case GL_LUMINANCE12: + case GL_LUMINANCE16: + case GL_COMPRESSED_LUMINANCE: + return &_mesa_texformat_l8; + + case 2: + case GL_LUMINANCE_ALPHA: + case GL_LUMINANCE4_ALPHA4: + case GL_LUMINANCE6_ALPHA2: + case GL_LUMINANCE8_ALPHA8: + case GL_LUMINANCE12_ALPHA4: + case GL_LUMINANCE12_ALPHA12: + case GL_LUMINANCE16_ALPHA16: + case GL_COMPRESSED_LUMINANCE_ALPHA: + return &_mesa_texformat_al88; + + case GL_INTENSITY: + case GL_INTENSITY4: + case GL_INTENSITY8: + case GL_INTENSITY12: + case GL_INTENSITY16: + case GL_COMPRESSED_INTENSITY: + return &_mesa_texformat_i8; + + case GL_YCBCR_MESA: + if (type == GL_UNSIGNED_SHORT_8_8_MESA || type == GL_UNSIGNED_BYTE) + return &_mesa_texformat_ycbcr; + else + return &_mesa_texformat_ycbcr_rev; + + case GL_COMPRESSED_RGB_FXT1_3DFX: + return &_mesa_texformat_rgb_fxt1; + case GL_COMPRESSED_RGBA_FXT1_3DFX: + return &_mesa_texformat_rgba_fxt1; + + case GL_RGB_S3TC: + case GL_RGB4_S3TC: + case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: + return &_mesa_texformat_rgb_dxt1; + + case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: + return &_mesa_texformat_rgba_dxt1; + + case GL_RGBA_S3TC: + case GL_RGBA4_S3TC: + case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: + return &_mesa_texformat_rgba_dxt3; + + case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: + return &_mesa_texformat_rgba_dxt5; + + case GL_DEPTH_COMPONENT: + case GL_DEPTH_COMPONENT16: + case GL_DEPTH_COMPONENT24: + case GL_DEPTH_COMPONENT32: + return &_mesa_texformat_z16; + + case GL_DEPTH_STENCIL_EXT: + case GL_DEPTH24_STENCIL8_EXT: + return &_mesa_texformat_z24_s8; + + default: + fprintf(stderr, "unexpected texture format %s in %s\n", + _mesa_lookup_enum_by_nr(internalFormat), __FUNCTION__); + return NULL; + } + + return NULL; /* never get here */ +} + +int intel_compressed_num_bytes(GLuint mesaFormat) +{ + int bytes = 0; + switch(mesaFormat) { + + case MESA_FORMAT_RGB_FXT1: + case MESA_FORMAT_RGBA_FXT1: + case MESA_FORMAT_RGB_DXT1: + case MESA_FORMAT_RGBA_DXT1: + bytes = 2; + break; + + case MESA_FORMAT_RGBA_DXT3: + case MESA_FORMAT_RGBA_DXT5: + bytes = 4; + default: + break; + } + + return bytes; +} diff --git a/src/mesa/drivers/dri/i915pipe/intel_tex_image.c b/src/mesa/drivers/dri/i915pipe/intel_tex_image.c new file mode 100644 index 0000000000..f790b1e6f7 --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_tex_image.c @@ -0,0 +1,691 @@ + +#include <stdlib.h> +#include <stdio.h> + +#include "glheader.h" +#include "macros.h" +#include "mtypes.h" +#include "enums.h" +#include "colortab.h" +#include "convolve.h" +#include "context.h" +#include "simple_list.h" +#include "texcompress.h" +#include "texformat.h" +#include "texobj.h" +#include "texstore.h" + +#include "intel_context.h" +#include "intel_mipmap_tree.h" +#include "intel_buffer_objects.h" +#include "intel_batchbuffer.h" +#include "intel_tex.h" +#include "intel_ioctl.h" +#include "intel_blit.h" + +#define FILE_DEBUG_FLAG DEBUG_TEXTURE + +/* Functions to store texture images. Where possible, mipmap_tree's + * will be created or further instantiated with image data, otherwise + * images will be stored in malloc'd memory. A validation step is + * required to pull those images into a mipmap tree, or otherwise + * decide a fallback is required. + */ + + +static int +logbase2(int n) +{ + GLint i = 1; + GLint log2 = 0; + + while (n > i) { + i *= 2; + log2++; + } + + return log2; +} + + +/* Otherwise, store it in memory if (Border != 0) or (any dimension == + * 1). + * + * Otherwise, if max_level >= level >= min_level, create tree with + * space for textures from min_level down to max_level. + * + * Otherwise, create tree with space for textures from (level + * 0)..(1x1). Consider pruning this tree at a validation if the + * saving is worth it. + */ +static void +guess_and_alloc_mipmap_tree(struct intel_context *intel, + struct intel_texture_object *intelObj, + struct intel_texture_image *intelImage) +{ + GLuint firstLevel; + GLuint lastLevel; + GLuint width = intelImage->base.Width; + GLuint height = intelImage->base.Height; + GLuint depth = intelImage->base.Depth; + GLuint l2width, l2height, l2depth; + GLuint i, comp_byte = 0; + + DBG("%s\n", __FUNCTION__); + + if (intelImage->base.Border) + return; + + if (intelImage->level > intelObj->base.BaseLevel && + (intelImage->base.Width == 1 || + (intelObj->base.Target != GL_TEXTURE_1D && + intelImage->base.Height == 1) || + (intelObj->base.Target == GL_TEXTURE_3D && + intelImage->base.Depth == 1))) + return; + + /* If this image disrespects BaseLevel, allocate from level zero. + * Usually BaseLevel == 0, so it's unlikely to happen. + */ + if (intelImage->level < intelObj->base.BaseLevel) + firstLevel = 0; + else + firstLevel = intelObj->base.BaseLevel; + + + /* Figure out image dimensions at start level. + */ + for (i = intelImage->level; i > firstLevel; i--) { + width <<= 1; + if (height != 1) + height <<= 1; + if (depth != 1) + depth <<= 1; + } + + /* Guess a reasonable value for lastLevel. This is probably going + * to be wrong fairly often and might mean that we have to look at + * resizable buffers, or require that buffers implement lazy + * pagetable arrangements. + */ + if ((intelObj->base.MinFilter == GL_NEAREST || + intelObj->base.MinFilter == GL_LINEAR) && + intelImage->level == firstLevel) { + lastLevel = firstLevel; + } + else { + l2width = logbase2(width); + l2height = logbase2(height); + l2depth = logbase2(depth); + lastLevel = firstLevel + MAX2(MAX2(l2width, l2height), l2depth); + } + + assert(!intelObj->mt); + if (intelImage->base.IsCompressed) + comp_byte = intel_compressed_num_bytes(intelImage->base.TexFormat->MesaFormat); + intelObj->mt = intel_miptree_create(intel, + intelObj->base.Target, + intelImage->base.InternalFormat, + firstLevel, + lastLevel, + width, + height, + depth, + intelImage->base.TexFormat->TexelBytes, + comp_byte); + + DBG("%s - success\n", __FUNCTION__); +} + + + + +static GLuint +target_to_face(GLenum target) +{ + switch (target) { + case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB: + case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB: + case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB: + return ((GLuint) target - (GLuint) GL_TEXTURE_CUBE_MAP_POSITIVE_X); + default: + return 0; + } +} + +/* There are actually quite a few combinations this will work for, + * more than what I've listed here. + */ +static GLboolean +check_pbo_format(GLint internalFormat, + GLenum format, GLenum type, + const struct gl_texture_format *mesa_format) +{ + switch (internalFormat) { + case 4: + case GL_RGBA: + return (format == GL_BGRA && + (type == GL_UNSIGNED_BYTE || + type == GL_UNSIGNED_INT_8_8_8_8_REV) && + mesa_format == &_mesa_texformat_argb8888); + case 3: + case GL_RGB: + return (format == GL_RGB && + type == GL_UNSIGNED_SHORT_5_6_5 && + mesa_format == &_mesa_texformat_rgb565); + case GL_YCBCR_MESA: + return (type == GL_UNSIGNED_SHORT_8_8_MESA || type == GL_UNSIGNED_BYTE); + default: + return GL_FALSE; + } +} + + +/* XXX: Do this for TexSubImage also: + */ +static GLboolean +try_pbo_upload(struct intel_context *intel, + struct intel_texture_image *intelImage, + const struct gl_pixelstore_attrib *unpack, + GLint internalFormat, + GLint width, GLint height, + GLenum format, GLenum type, const void *pixels) +{ + struct intel_buffer_object *pbo = intel_buffer_object(unpack->BufferObj); + GLuint src_offset, src_stride; + GLuint dst_offset, dst_stride; + + if (!pbo || + intel->ctx._ImageTransferState || + unpack->SkipPixels || unpack->SkipRows) { + _mesa_printf("%s: failure 1\n", __FUNCTION__); + return GL_FALSE; + } + + src_offset = (GLuint) pixels; + + if (unpack->RowLength > 0) + src_stride = unpack->RowLength; + else + src_stride = width; + + dst_offset = intel_miptree_image_offset(intelImage->mt, + intelImage->face, + intelImage->level); + + dst_stride = intelImage->mt->pitch; + + intelFlush(&intel->ctx); + LOCK_HARDWARE(intel); + { + struct _DriBufferObject *src_buffer = + intel_bufferobj_buffer(intel, pbo, INTEL_READ); + struct _DriBufferObject *dst_buffer = + intel_region_buffer(intel->intelScreen, intelImage->mt->region, + INTEL_WRITE_FULL); + + + intelEmitCopyBlit(intel, + intelImage->mt->cpp, + src_stride, src_buffer, src_offset, + dst_stride, dst_buffer, dst_offset, + 0, 0, 0, 0, width, height, + GL_COPY); + + intel_batchbuffer_flush(intel->batch); + } + UNLOCK_HARDWARE(intel); + + return GL_TRUE; +} + + + +static GLboolean +try_pbo_zcopy(struct intel_context *intel, + struct intel_texture_image *intelImage, + const struct gl_pixelstore_attrib *unpack, + GLint internalFormat, + GLint width, GLint height, + GLenum format, GLenum type, const void *pixels) +{ + struct intel_buffer_object *pbo = intel_buffer_object(unpack->BufferObj); + GLuint src_offset, src_stride; + GLuint dst_offset, dst_stride; + + if (!pbo || + intel->ctx._ImageTransferState || + unpack->SkipPixels || unpack->SkipRows) { + _mesa_printf("%s: failure 1\n", __FUNCTION__); + return GL_FALSE; + } + + src_offset = (GLuint) pixels; + + if (unpack->RowLength > 0) + src_stride = unpack->RowLength; + else + src_stride = width; + + dst_offset = intel_miptree_image_offset(intelImage->mt, + intelImage->face, + intelImage->level); + + dst_stride = intelImage->mt->pitch; + + if (src_stride != dst_stride || dst_offset != 0 || src_offset != 0) { + _mesa_printf("%s: failure 2\n", __FUNCTION__); + return GL_FALSE; + } + + intel_region_attach_pbo(intel->intelScreen, intelImage->mt->region, pbo); + + return GL_TRUE; +} + + + + + + +static void +intelTexImage(GLcontext * ctx, + GLint dims, + GLenum target, GLint level, + GLint internalFormat, + GLint width, GLint height, GLint depth, + GLint border, + GLenum format, GLenum type, const void *pixels, + const struct gl_pixelstore_attrib *unpack, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage, GLsizei imageSize, int compressed) +{ + struct intel_context *intel = intel_context(ctx); + struct intel_texture_object *intelObj = intel_texture_object(texObj); + struct intel_texture_image *intelImage = intel_texture_image(texImage); + GLint postConvWidth = width; + GLint postConvHeight = height; + GLint texelBytes, sizeInBytes; + GLuint dstRowStride; + + + DBG("%s target %s level %d %dx%dx%d border %d\n", __FUNCTION__, + _mesa_lookup_enum_by_nr(target), level, width, height, depth, border); + + intelFlush(ctx); + + intelImage->face = target_to_face(target); + intelImage->level = level; + + if (ctx->_ImageTransferState & IMAGE_CONVOLUTION_BIT) { + _mesa_adjust_image_for_convolution(ctx, dims, &postConvWidth, + &postConvHeight); + } + + /* choose the texture format */ + texImage->TexFormat = intelChooseTextureFormat(ctx, internalFormat, + format, type); + + _mesa_set_fetch_functions(texImage, dims); + + if (texImage->TexFormat->TexelBytes == 0) { + /* must be a compressed format */ + texelBytes = 0; + texImage->IsCompressed = GL_TRUE; + texImage->CompressedSize = + ctx->Driver.CompressedTextureSize(ctx, texImage->Width, + texImage->Height, texImage->Depth, + texImage->TexFormat->MesaFormat); + } else { + texelBytes = texImage->TexFormat->TexelBytes; + + /* Minimum pitch of 32 bytes */ + if (postConvWidth * texelBytes < 32) { + postConvWidth = 32 / texelBytes; + texImage->RowStride = postConvWidth; + } + + assert(texImage->RowStride == postConvWidth); + } + + /* Release the reference to a potentially orphaned buffer. + * Release any old malloced memory. + */ + if (intelImage->mt) { + intel_miptree_release(intel, &intelImage->mt); + assert(!texImage->Data); + } + else if (texImage->Data) { + _mesa_align_free(texImage->Data); + } + + /* If this is the only texture image in the tree, could call + * bmBufferData with NULL data to free the old block and avoid + * waiting on any outstanding fences. + */ + if (intelObj->mt && + intelObj->mt->first_level == level && + intelObj->mt->last_level == level && + intelObj->mt->target != GL_TEXTURE_CUBE_MAP_ARB && + !intel_miptree_match_image(intelObj->mt, &intelImage->base, + intelImage->face, intelImage->level)) { + + DBG("release it\n"); + intel_miptree_release(intel, &intelObj->mt); + assert(!intelObj->mt); + } + + if (!intelObj->mt) { + guess_and_alloc_mipmap_tree(intel, intelObj, intelImage); + if (!intelObj->mt) { + DBG("guess_and_alloc_mipmap_tree: failed\n"); + } + } + + assert(!intelImage->mt); + + if (intelObj->mt && + intel_miptree_match_image(intelObj->mt, &intelImage->base, + intelImage->face, intelImage->level)) { + + intel_miptree_reference(&intelImage->mt, intelObj->mt); + assert(intelImage->mt); + } + + if (!intelImage->mt) + DBG("XXX: Image did not fit into tree - storing in local memory!\n"); + + /* PBO fastpaths: + */ + if (dims <= 2 && + intelImage->mt && + intel_buffer_object(unpack->BufferObj) && + check_pbo_format(internalFormat, format, + type, intelImage->base.TexFormat)) { + + DBG("trying pbo upload\n"); + + /* Attempt to texture directly from PBO data (zero copy upload). + * + * Currently disable as it can lead to worse as well as better + * performance (in particular when intel_region_cow() is + * required). + */ + if (intelObj->mt == intelImage->mt && + intelObj->mt->first_level == level && + intelObj->mt->last_level == level) { + + if (try_pbo_zcopy(intel, intelImage, unpack, + internalFormat, + width, height, format, type, pixels)) { + + DBG("pbo zcopy upload succeeded\n"); + return; + } + } + + + /* Otherwise, attempt to use the blitter for PBO image uploads. + */ + if (try_pbo_upload(intel, intelImage, unpack, + internalFormat, + width, height, format, type, pixels)) { + DBG("pbo upload succeeded\n"); + return; + } + + DBG("pbo upload failed\n"); + } + + + + /* intelCopyTexImage calls this function with pixels == NULL, with + * the expectation that the mipmap tree will be set up but nothing + * more will be done. This is where those calls return: + */ + if (compressed) { + pixels = _mesa_validate_pbo_compressed_teximage(ctx, imageSize, pixels, + unpack, + "glCompressedTexImage"); + } else { + pixels = _mesa_validate_pbo_teximage(ctx, dims, width, height, 1, + format, type, + pixels, unpack, "glTexImage"); + } + if (!pixels) + return; + + + if (intelImage->mt) + intel_region_idle(intel->intelScreen, intelImage->mt->region); + + LOCK_HARDWARE(intel); + + if (intelImage->mt) { + texImage->Data = intel_miptree_image_map(intel, + intelImage->mt, + intelImage->face, + intelImage->level, + &dstRowStride, + intelImage->base.ImageOffsets); + } + else { + /* Allocate regular memory and store the image there temporarily. */ + if (texImage->IsCompressed) { + sizeInBytes = texImage->CompressedSize; + dstRowStride = + _mesa_compressed_row_stride(texImage->TexFormat->MesaFormat, width); + assert(dims != 3); + } + else { + dstRowStride = postConvWidth * texelBytes; + sizeInBytes = depth * dstRowStride * postConvHeight; + } + + texImage->Data = malloc(sizeInBytes); + } + + DBG("Upload image %dx%dx%d row_len %x " + "pitch %x\n", + width, height, depth, width * texelBytes, dstRowStride); + + /* Copy data. Would like to know when it's ok for us to eg. use + * the blitter to copy. Or, use the hardware to do the format + * conversion and copy: + */ + if (compressed) { + memcpy(texImage->Data, pixels, imageSize); + } else if (!texImage->TexFormat->StoreImage(ctx, dims, + texImage->_BaseFormat, + texImage->TexFormat, + texImage->Data, 0, 0, 0, /* dstX/Y/Zoffset */ + dstRowStride, + texImage->ImageOffsets, + width, height, depth, + format, type, pixels, unpack)) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage"); + } + + _mesa_unmap_teximage_pbo(ctx, unpack); + + if (intelImage->mt) { + intel_miptree_image_unmap(intel, intelImage->mt); + texImage->Data = NULL; + } + + UNLOCK_HARDWARE(intel); + +#if 0 + /* GL_SGIS_generate_mipmap -- this can be accelerated now. + */ + if (level == texObj->BaseLevel && texObj->GenerateMipmap) { + intel_generate_mipmap(ctx, target, + &ctx->Texture.Unit[ctx->Texture.CurrentUnit], + texObj); + } +#endif +} + +void +intelTexImage3D(GLcontext * ctx, + GLenum target, GLint level, + GLint internalFormat, + GLint width, GLint height, GLint depth, + GLint border, + GLenum format, GLenum type, const void *pixels, + const struct gl_pixelstore_attrib *unpack, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage) +{ + intelTexImage(ctx, 3, target, level, + internalFormat, width, height, depth, border, + format, type, pixels, unpack, texObj, texImage, 0, 0); +} + + +void +intelTexImage2D(GLcontext * ctx, + GLenum target, GLint level, + GLint internalFormat, + GLint width, GLint height, GLint border, + GLenum format, GLenum type, const void *pixels, + const struct gl_pixelstore_attrib *unpack, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage) +{ + intelTexImage(ctx, 2, target, level, + internalFormat, width, height, 1, border, + format, type, pixels, unpack, texObj, texImage, 0, 0); +} + +void +intelTexImage1D(GLcontext * ctx, + GLenum target, GLint level, + GLint internalFormat, + GLint width, GLint border, + GLenum format, GLenum type, const void *pixels, + const struct gl_pixelstore_attrib *unpack, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage) +{ + intelTexImage(ctx, 1, target, level, + internalFormat, width, 1, 1, border, + format, type, pixels, unpack, texObj, texImage, 0, 0); +} + +void intelCompressedTexImage2D( GLcontext *ctx, GLenum target, GLint level, + GLint internalFormat, + GLint width, GLint height, GLint border, + GLsizei imageSize, const GLvoid *data, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage ) +{ + intelTexImage(ctx, 2, target, level, + internalFormat, width, height, 1, border, + 0, 0, data, &ctx->Unpack, texObj, texImage, imageSize, 1); +} + +/** + * Need to map texture image into memory before copying image data, + * then unmap it. + */ +static void +intel_get_tex_image(GLcontext * ctx, GLenum target, GLint level, + GLenum format, GLenum type, GLvoid * pixels, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage, int compressed) +{ + struct intel_context *intel = intel_context(ctx); + struct intel_texture_image *intelImage = intel_texture_image(texImage); + + /* Map */ + if (intelImage->mt) { + /* Image is stored in hardware format in a buffer managed by the + * kernel. Need to explicitly map and unmap it. + */ + intelImage->base.Data = + intel_miptree_image_map(intel, + intelImage->mt, + intelImage->face, + intelImage->level, + &intelImage->base.RowStride, + intelImage->base.ImageOffsets); + intelImage->base.RowStride /= intelImage->mt->cpp; + } + else { + /* Otherwise, the image should actually be stored in + * intelImage->base.Data. This is pretty confusing for + * everybody, I'd much prefer to separate the two functions of + * texImage->Data - storage for texture images in main memory + * and access (ie mappings) of images. In other words, we'd + * create a new texImage->Map field and leave Data simply for + * storage. + */ + assert(intelImage->base.Data); + } + + + if (compressed) { + _mesa_get_compressed_teximage(ctx, target, level, pixels, + texObj, texImage); + } else { + _mesa_get_teximage(ctx, target, level, format, type, pixels, + texObj, texImage); + } + + + /* Unmap */ + if (intelImage->mt) { + intel_miptree_image_unmap(intel, intelImage->mt); + intelImage->base.Data = NULL; + } +} + +void +intelGetTexImage(GLcontext * ctx, GLenum target, GLint level, + GLenum format, GLenum type, GLvoid * pixels, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage) +{ + intel_get_tex_image(ctx, target, level, format, type, pixels, + texObj, texImage, 0); + + +} + +void +intelGetCompressedTexImage(GLcontext *ctx, GLenum target, GLint level, + GLvoid *pixels, + const struct gl_texture_object *texObj, + const struct gl_texture_image *texImage) +{ + intel_get_tex_image(ctx, target, level, 0, 0, pixels, + texObj, texImage, 1); + +} + +void +intelSetTexOffset(__DRIcontext *pDRICtx, GLint texname, + unsigned long long offset, GLint depth, GLuint pitch) +{ + struct intel_context *intel = (struct intel_context*) + ((__DRIcontextPrivate*)pDRICtx->private)->driverPrivate; + struct gl_texture_object *tObj = _mesa_lookup_texture(&intel->ctx, texname); + struct intel_texture_object *intelObj = intel_texture_object(tObj); + + if (!intelObj) + return; + + if (intelObj->mt) + intel_miptree_release(intel, &intelObj->mt); + + intelObj->imageOverride = GL_TRUE; + intelObj->depthOverride = depth; + intelObj->pitchOverride = pitch; + + if (offset) + intelObj->textureOffset = offset; +} diff --git a/src/mesa/drivers/dri/i915pipe/intel_tex_layout.c b/src/mesa/drivers/dri/i915pipe/intel_tex_layout.c new file mode 120000 index 0000000000..fe61b44194 --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_tex_layout.c @@ -0,0 +1 @@ +../intel/intel_tex_layout.c
\ No newline at end of file diff --git a/src/mesa/drivers/dri/i915pipe/intel_tex_subimage.c b/src/mesa/drivers/dri/i915pipe/intel_tex_subimage.c new file mode 100644 index 0000000000..3935787806 --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_tex_subimage.c @@ -0,0 +1,182 @@ + +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#include "mtypes.h" +#include "texobj.h" +#include "texstore.h" +#include "enums.h" + +#include "intel_context.h" +#include "intel_tex.h" +#include "intel_mipmap_tree.h" + +#define FILE_DEBUG_FLAG DEBUG_TEXTURE + +static void +intelTexSubimage(GLcontext * ctx, + GLint dims, + GLenum target, GLint level, + GLint xoffset, GLint yoffset, GLint zoffset, + GLint width, GLint height, GLint depth, + GLenum format, GLenum type, const void *pixels, + const struct gl_pixelstore_attrib *packing, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage) +{ + struct intel_context *intel = intel_context(ctx); + struct intel_texture_image *intelImage = intel_texture_image(texImage); + GLuint dstRowStride; + + DBG("%s target %s level %d offset %d,%d %dx%d\n", __FUNCTION__, + _mesa_lookup_enum_by_nr(target), + level, xoffset, yoffset, width, height); + + intelFlush(ctx); + + pixels = + _mesa_validate_pbo_teximage(ctx, dims, width, height, depth, format, + type, pixels, packing, "glTexSubImage2D"); + if (!pixels) + return; + + if (intelImage->mt) + intel_region_idle(intel->intelScreen, intelImage->mt->region); + + LOCK_HARDWARE(intel); + + /* Map buffer if necessary. Need to lock to prevent other contexts + * from uploading the buffer under us. + */ + if (intelImage->mt) + texImage->Data = intel_miptree_image_map(intel, + intelImage->mt, + intelImage->face, + intelImage->level, + &dstRowStride, + texImage->ImageOffsets); + + assert(dstRowStride); + + if (!texImage->TexFormat->StoreImage(ctx, dims, texImage->_BaseFormat, + texImage->TexFormat, + texImage->Data, + xoffset, yoffset, zoffset, + dstRowStride, + texImage->ImageOffsets, + width, height, depth, + format, type, pixels, packing)) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "intelTexSubImage"); + } + +#if 0 + /* GL_SGIS_generate_mipmap */ + if (level == texObj->BaseLevel && texObj->GenerateMipmap) { + _mesa_generate_mipmap(ctx, target, + &ctx->Texture.Unit[ctx->Texture.CurrentUnit], + texObj); + } +#endif + + _mesa_unmap_teximage_pbo(ctx, packing); + + if (intelImage->mt) { + intel_miptree_image_unmap(intel, intelImage->mt); + texImage->Data = NULL; + } + + UNLOCK_HARDWARE(intel); +} + + + + + +void +intelTexSubImage3D(GLcontext * ctx, + GLenum target, + GLint level, + GLint xoffset, GLint yoffset, GLint zoffset, + GLsizei width, GLsizei height, GLsizei depth, + GLenum format, GLenum type, + const GLvoid * pixels, + const struct gl_pixelstore_attrib *packing, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage) +{ + + intelTexSubimage(ctx, 3, + target, level, + xoffset, yoffset, zoffset, + width, height, depth, + format, type, pixels, packing, texObj, texImage); + +} + + + +void +intelTexSubImage2D(GLcontext * ctx, + GLenum target, + GLint level, + GLint xoffset, GLint yoffset, + GLsizei width, GLsizei height, + GLenum format, GLenum type, + const GLvoid * pixels, + const struct gl_pixelstore_attrib *packing, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage) +{ + + intelTexSubimage(ctx, 2, + target, level, + xoffset, yoffset, 0, + width, height, 1, + format, type, pixels, packing, texObj, texImage); + +} + + +void +intelTexSubImage1D(GLcontext * ctx, + GLenum target, + GLint level, + GLint xoffset, + GLsizei width, + GLenum format, GLenum type, + const GLvoid * pixels, + const struct gl_pixelstore_attrib *packing, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage) +{ + intelTexSubimage(ctx, 1, + target, level, + xoffset, 0, 0, + width, 1, 1, + format, type, pixels, packing, texObj, texImage); + +} diff --git a/src/mesa/drivers/dri/i915pipe/intel_tex_validate.c b/src/mesa/drivers/dri/i915pipe/intel_tex_validate.c new file mode 100644 index 0000000000..af18c26d55 --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_tex_validate.c @@ -0,0 +1,272 @@ +#include "mtypes.h" +#include "macros.h" + +#include "intel_context.h" +#include "intel_batchbuffer.h" +#include "intel_mipmap_tree.h" +#include "intel_tex.h" + +#define FILE_DEBUG_FLAG DEBUG_TEXTURE + +/** + * Compute which mipmap levels that really need to be sent to the hardware. + * This depends on the base image size, GL_TEXTURE_MIN_LOD, + * GL_TEXTURE_MAX_LOD, GL_TEXTURE_BASE_LEVEL, and GL_TEXTURE_MAX_LEVEL. + */ +static void +intel_calculate_first_last_level(struct intel_texture_object *intelObj) +{ + struct gl_texture_object *tObj = &intelObj->base; + const struct gl_texture_image *const baseImage = + tObj->Image[0][tObj->BaseLevel]; + + /* These must be signed values. MinLod and MaxLod can be negative numbers, + * and having firstLevel and lastLevel as signed prevents the need for + * extra sign checks. + */ + int firstLevel; + int lastLevel; + + /* Yes, this looks overly complicated, but it's all needed. + */ + switch (tObj->Target) { + case GL_TEXTURE_1D: + case GL_TEXTURE_2D: + case GL_TEXTURE_3D: + case GL_TEXTURE_CUBE_MAP: + if (tObj->MinFilter == GL_NEAREST || tObj->MinFilter == GL_LINEAR) { + /* GL_NEAREST and GL_LINEAR only care about GL_TEXTURE_BASE_LEVEL. + */ + firstLevel = lastLevel = tObj->BaseLevel; + } + else { + firstLevel = tObj->BaseLevel + (GLint) (tObj->MinLod + 0.5); + firstLevel = MAX2(firstLevel, tObj->BaseLevel); + lastLevel = tObj->BaseLevel + (GLint) (tObj->MaxLod + 0.5); + lastLevel = MAX2(lastLevel, tObj->BaseLevel); + lastLevel = MIN2(lastLevel, tObj->BaseLevel + baseImage->MaxLog2); + lastLevel = MIN2(lastLevel, tObj->MaxLevel); + lastLevel = MAX2(firstLevel, lastLevel); /* need at least one level */ + } + break; + case GL_TEXTURE_RECTANGLE_NV: + case GL_TEXTURE_4D_SGIS: + firstLevel = lastLevel = 0; + break; + default: + return; + } + + /* save these values */ + intelObj->firstLevel = firstLevel; + intelObj->lastLevel = lastLevel; +} + +static void +copy_image_data_to_tree(struct intel_context *intel, + struct intel_texture_object *intelObj, + struct intel_texture_image *intelImage) +{ + if (intelImage->mt) { + /* Copy potentially with the blitter: + */ + intel_miptree_image_copy(intel, + intelObj->mt, + intelImage->face, + intelImage->level, intelImage->mt); + + intel_miptree_release(intel, &intelImage->mt); + } + else { + assert(intelImage->base.Data != NULL); + + /* More straightforward upload. + */ + intel_miptree_image_data(intel, + intelObj->mt, + intelImage->face, + intelImage->level, + intelImage->base.Data, + intelImage->base.RowStride, + intelImage->base.RowStride * + intelImage->base.Height); + _mesa_align_free(intelImage->base.Data); + intelImage->base.Data = NULL; + } + + intel_miptree_reference(&intelImage->mt, intelObj->mt); +} + + +/* + */ +GLuint +intel_finalize_mipmap_tree(struct intel_context *intel, GLuint unit) +{ + struct gl_texture_object *tObj = intel->ctx.Texture.Unit[unit]._Current; + struct intel_texture_object *intelObj = intel_texture_object(tObj); + int comp_byte = 0; + int cpp; + + GLuint face, i; + GLuint nr_faces = 0; + struct intel_texture_image *firstImage; + + GLboolean need_flush = GL_FALSE; + + /* We know/require this is true by now: + */ + assert(intelObj->base._Complete); + + /* What levels must the tree include at a minimum? + */ + intel_calculate_first_last_level(intelObj); + firstImage = + intel_texture_image(intelObj->base.Image[0][intelObj->firstLevel]); + + /* Fallback case: + */ + if (firstImage->base.Border) { + if (intelObj->mt) { + intel_miptree_release(intel, &intelObj->mt); + } + return GL_FALSE; + } + + + /* If both firstImage and intelObj have a tree which can contain + * all active images, favour firstImage. Note that because of the + * completeness requirement, we know that the image dimensions + * will match. + */ + if (firstImage->mt && + firstImage->mt != intelObj->mt && + firstImage->mt->first_level <= intelObj->firstLevel && + firstImage->mt->last_level >= intelObj->lastLevel) { + + if (intelObj->mt) + intel_miptree_release(intel, &intelObj->mt); + + intel_miptree_reference(&intelObj->mt, firstImage->mt); + } + + if (firstImage->base.IsCompressed) { + comp_byte = intel_compressed_num_bytes(firstImage->base.TexFormat->MesaFormat); + cpp = comp_byte; + } + else cpp = firstImage->base.TexFormat->TexelBytes; + + /* Check tree can hold all active levels. Check tree matches + * target, imageFormat, etc. + * + * XXX: For some layouts (eg i945?), the test might have to be + * first_level == firstLevel, as the tree isn't valid except at the + * original start level. Hope to get around this by + * programming minLod, maxLod, baseLevel into the hardware and + * leaving the tree alone. + */ + if (intelObj->mt && + (intelObj->mt->target != intelObj->base.Target || + intelObj->mt->internal_format != firstImage->base.InternalFormat || + intelObj->mt->first_level != intelObj->firstLevel || + intelObj->mt->last_level != intelObj->lastLevel || + intelObj->mt->width0 != firstImage->base.Width || + intelObj->mt->height0 != firstImage->base.Height || + intelObj->mt->depth0 != firstImage->base.Depth || + intelObj->mt->cpp != cpp || + intelObj->mt->compressed != firstImage->base.IsCompressed)) { + intel_miptree_release(intel, &intelObj->mt); + } + + + /* May need to create a new tree: + */ + if (!intelObj->mt) { + intelObj->mt = intel_miptree_create(intel, + intelObj->base.Target, + firstImage->base.InternalFormat, + intelObj->firstLevel, + intelObj->lastLevel, + firstImage->base.Width, + firstImage->base.Height, + firstImage->base.Depth, + cpp, + comp_byte); + } + + /* Pull in any images not in the object's tree: + */ + nr_faces = (intelObj->base.Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1; + for (face = 0; face < nr_faces; face++) { + for (i = intelObj->firstLevel; i <= intelObj->lastLevel; i++) { + struct intel_texture_image *intelImage = + intel_texture_image(intelObj->base.Image[face][i]); + + /* Need to import images in main memory or held in other trees. + */ + if (intelObj->mt != intelImage->mt) { + copy_image_data_to_tree(intel, intelObj, intelImage); + need_flush = GL_TRUE; + } + } + } + + if (need_flush) + intel_batchbuffer_flush(intel->batch); + + return GL_TRUE; +} + + + +void +intel_tex_map_images(struct intel_context *intel, + struct intel_texture_object *intelObj) +{ + GLuint nr_faces = (intelObj->base.Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1; + GLuint face, i; + + DBG("%s\n", __FUNCTION__); + + for (face = 0; face < nr_faces; face++) { + for (i = intelObj->firstLevel; i <= intelObj->lastLevel; i++) { + struct intel_texture_image *intelImage = + intel_texture_image(intelObj->base.Image[face][i]); + + if (intelImage->mt) { + intelImage->base.Data = + intel_miptree_image_map(intel, + intelImage->mt, + intelImage->face, + intelImage->level, + &intelImage->base.RowStride, + intelImage->base.ImageOffsets); + /* convert stride to texels, not bytes */ + intelImage->base.RowStride /= intelImage->mt->cpp; +/* intelImage->base.ImageStride /= intelImage->mt->cpp; */ + } + } + } +} + + + +void +intel_tex_unmap_images(struct intel_context *intel, + struct intel_texture_object *intelObj) +{ + GLuint nr_faces = (intelObj->base.Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1; + GLuint face, i; + + for (face = 0; face < nr_faces; face++) { + for (i = intelObj->firstLevel; i <= intelObj->lastLevel; i++) { + struct intel_texture_image *intelImage = + intel_texture_image(intelObj->base.Image[face][i]); + + if (intelImage->mt) { + intel_miptree_image_unmap(intel, intelImage->mt); + intelImage->base.Data = NULL; + } + } + } +} |