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Diffstat (limited to 'src/gallium/winsys/egl_drm/intel/intel_batchbuffer.c')
-rw-r--r--src/gallium/winsys/egl_drm/intel/intel_batchbuffer.c465
1 files changed, 0 insertions, 465 deletions
diff --git a/src/gallium/winsys/egl_drm/intel/intel_batchbuffer.c b/src/gallium/winsys/egl_drm/intel/intel_batchbuffer.c
deleted file mode 100644
index 7ffa05a6e6..0000000000
--- a/src/gallium/winsys/egl_drm/intel/intel_batchbuffer.c
+++ /dev/null
@@ -1,465 +0,0 @@
-/**************************************************************************
- *
- * 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_context.h"
-#include "intel_egl.h"
-
-#include <errno.h>
-
-#if 0
-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");
-}
-#endif
-
-static void
-intel_realloc_relocs(struct intel_batchbuffer *batch, int num_relocs)
-{
- unsigned long size = num_relocs * I915_RELOC0_STRIDE + I915_RELOC_HEADER;
-
- size *= sizeof(uint32_t);
- batch->reloc = realloc(batch->reloc, size);
- batch->reloc_size = num_relocs;
-}
-
-
-void
-intel_batchbuffer_reset(struct intel_batchbuffer *batch)
-{
- /*
- * Get a new, free batchbuffer.
- */
- drmBO *bo;
- struct drm_bo_info_req *req;
- int ret;
-
- driBOUnrefUserList(batch->list);
- driBOResetList(batch->list);
-
- batch->size = 4096; // ZZZ JB batch->intel->intelScreen->maxBatchSize;
- ret = driBOData(batch->buffer, batch->size, NULL, NULL, 0);
- assert(!ret);
-
- /*
- * Add the batchbuffer to the validate list.
- */
-
- driBOAddListItem(batch->list, batch->buffer,
- DRM_BO_FLAG_EXE | DRM_BO_FLAG_MEM_TT,
- DRM_BO_FLAG_EXE | DRM_BO_MASK_MEM,
- &batch->dest_location, &batch->node);
-
- req = &batch->node->bo_arg.d.req.bo_req;
-
- /*
- * Set up information needed for us to make relocations
- * relative to the underlying drm buffer objects.
- */
-
- driReadLockKernelBO();
- bo = driBOKernel(batch->buffer);
- req->presumed_offset = (uint64_t) bo->offset;
- req->hint = DRM_BO_HINT_PRESUMED_OFFSET;
- batch->drmBOVirtual = (uint8_t *) bo->virtual;
- driReadUnlockKernelBO();
-
- /*
- * Adjust the relocation buffer size.
- */
-
- if (batch->reloc_size > INTEL_MAX_RELOCS ||
- batch->reloc == NULL)
- intel_realloc_relocs(batch, INTEL_DEFAULT_RELOCS);
-
- assert(batch->reloc != NULL);
- batch->reloc[0] = 0; /* No relocs yet. */
- batch->reloc[1] = 1; /* Reloc type 1 */
- batch->reloc[2] = 0; /* Only a single relocation list. */
- batch->reloc[3] = 0; /* Only a single relocation list. */
-
- batch->map = driBOMap(batch->buffer, DRM_BO_FLAG_WRITE, 0);
- batch->poolOffset = driBOPoolOffset(batch->buffer);
- batch->ptr = batch->map;
- batch->dirty_state = ~0;
- batch->nr_relocs = 0;
- batch->flags = 0;
- batch->id = 0;//batch->intel->intelScreen->batch_id++;
-}
-
-/*======================================================================
- * Public functions
- */
-struct intel_batchbuffer *
-intel_batchbuffer_alloc(struct intel_screen *intel_screen)
-{
- struct intel_batchbuffer *batch = calloc(sizeof(*batch), 1);
-
- batch->intel_screen = intel_screen;
-
- driGenBuffers(intel_screen->batchPool, "batchbuffer", 1,
- &batch->buffer, 4096,
- DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_EXE, 0);
- batch->last_fence = NULL;
- batch->list = driBOCreateList(20);
- batch->reloc = NULL;
- 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, GL_FALSE);
- driFenceUnReference(&batch->last_fence);
- }
- if (batch->map) {
- driBOUnmap(batch->buffer);
- batch->map = NULL;
- }
- driBOUnReference(batch->buffer);
- driBOFreeList(batch->list);
- if (batch->reloc)
- free(batch->reloc);
- batch->buffer = NULL;
- free(batch);
-}
-
-void
-intel_offset_relocation(struct intel_batchbuffer *batch,
- unsigned pre_add,
- struct _DriBufferObject *driBO,
- uint64_t val_flags,
- uint64_t val_mask)
-{
- int itemLoc;
- struct _drmBONode *node;
- uint32_t *reloc;
- struct drm_bo_info_req *req;
-
- driBOAddListItem(batch->list, driBO, val_flags, val_mask,
- &itemLoc, &node);
- req = &node->bo_arg.d.req.bo_req;
-
- if (!(req->hint & DRM_BO_HINT_PRESUMED_OFFSET)) {
-
- /*
- * Stop other threads from tampering with the underlying
- * drmBO while we're reading its offset.
- */
-
- driReadLockKernelBO();
- req->presumed_offset = (uint64_t) driBOKernel(driBO)->offset;
- driReadUnlockKernelBO();
- req->hint = DRM_BO_HINT_PRESUMED_OFFSET;
- }
-
- pre_add += driBOPoolOffset(driBO);
-
- if (batch->nr_relocs == batch->reloc_size)
- intel_realloc_relocs(batch, batch->reloc_size * 2);
-
- reloc = batch->reloc +
- (I915_RELOC_HEADER + batch->nr_relocs * I915_RELOC0_STRIDE);
-
- reloc[0] = ((uint8_t *)batch->ptr - batch->drmBOVirtual);
- intel_batchbuffer_emit_dword(batch, req->presumed_offset + pre_add);
- reloc[1] = pre_add;
- reloc[2] = itemLoc;
- reloc[3] = batch->dest_location;
- batch->nr_relocs++;
-}
-
-static void
-i915_drm_copy_reply(const struct drm_bo_info_rep * rep, drmBO * buf)
-{
- buf->handle = rep->handle;
- buf->flags = rep->flags;
- buf->size = rep->size;
- buf->offset = rep->offset;
- buf->mapHandle = rep->arg_handle;
- buf->proposedFlags = rep->proposed_flags;
- buf->start = rep->buffer_start;
- buf->fenceFlags = rep->fence_flags;
- buf->replyFlags = rep->rep_flags;
- buf->pageAlignment = rep->page_alignment;
-}
-
-static int
-i915_execbuf(struct intel_batchbuffer *batch,
- GLuint used,
- GLboolean ignore_cliprects,
- drmBOList *list,
- struct drm_i915_execbuffer *ea)
-{
- struct intel_screen *intel_screen = batch->intel_screen;
- drmBONode *node;
- drmMMListHead *l;
- struct drm_i915_op_arg *arg, *first;
- struct drm_bo_op_req *req;
- struct drm_bo_info_rep *rep;
- uint64_t *prevNext = NULL;
- drmBO *buf;
- int ret = 0;
- uint32_t count = 0;
-
- first = NULL;
- for (l = list->list.next; l != &list->list; l = l->next) {
- node = DRMLISTENTRY(drmBONode, l, head);
-
- arg = &node->bo_arg;
- req = &arg->d.req;
-
- if (!first)
- first = arg;
-
- if (prevNext)
- *prevNext = (unsigned long)arg;
-
- prevNext = &arg->next;
- req->bo_req.handle = node->buf->handle;
- req->op = drm_bo_validate;
- req->bo_req.flags = node->arg0;
- req->bo_req.mask = node->arg1;
- req->bo_req.hint |= 0;
- count++;
- }
-
- memset(ea, 0, sizeof(*ea));
- ea->num_buffers = count;
- ea->batch.start = batch->poolOffset;
- ea->batch.used = used;
-#if 0 /* ZZZ JB: no cliprects used */
- ea->batch.cliprects = intel->pClipRects;
- ea->batch.num_cliprects = ignore_cliprects ? 0 : intel->numClipRects;
- ea->batch.DR1 = 0;
- ea->batch.DR4 = 0;((((GLuint) intel->drawX) & 0xffff) |
- (((GLuint) intel->drawY) << 16));
-#else
- ea->batch.cliprects = NULL;
- ea->batch.num_cliprects = 0;
- ea->batch.DR1 = 0;
- ea->batch.DR4 = 0;
-#endif
- ea->fence_arg.flags = DRM_I915_FENCE_FLAG_FLUSHED;
- ea->ops_list = (unsigned long) first;
- first->reloc_ptr = (unsigned long) batch->reloc;
- batch->reloc[0] = batch->nr_relocs;
-
- //return -EFAULT;
- do {
- ret = drmCommandWriteRead(intel_screen->device->drmFD, DRM_I915_EXECBUFFER, ea,
- sizeof(*ea));
- } while (ret == -EAGAIN);
-
- if (ret != 0) {
- printf("%s somebody set us up the bomb\n", __FUNCTION__);
- return ret;
- }
-
- for (l = list->list.next; l != &list->list; l = l->next) {
- node = DRMLISTENTRY(drmBONode, l, head);
- arg = &node->bo_arg;
- rep = &arg->d.rep.bo_info;
-
- if (!arg->handled) {
- return -EFAULT;
- }
- if (arg->d.rep.ret)
- return arg->d.rep.ret;
-
- buf = node->buf;
- i915_drm_copy_reply(rep, buf);
- }
- return 0;
-}
-
-/* TODO: Push this whole function into bufmgr.
- */
-static struct _DriFenceObject *
-do_flush_locked(struct intel_batchbuffer *batch,
- GLuint used,
- GLboolean ignore_cliprects, GLboolean allow_unlock)
-{
- struct intel_screen *intel_screen = batch->intel_screen;
- struct _DriFenceObject *fo;
- drmFence fence;
- drmBOList *boList;
- struct drm_i915_execbuffer ea;
- int ret = 0;
-
- driBOValidateUserList(batch->list);
- boList = driGetdrmBOList(batch->list);
-
-#if 0 /* ZZZ JB Allways run */
- if (!(intel->numClipRects == 0 && !ignore_cliprects)) {
-#else
- if (1) {
-#endif
- ret = i915_execbuf(batch, used, ignore_cliprects, boList, &ea);
- } else {
- driPutdrmBOList(batch->list);
- fo = NULL;
- goto out;
- }
- driPutdrmBOList(batch->list);
- if (ret)
- abort();
-
- if (ea.fence_arg.error != 0) {
-
- /*
- * The hardware has been idled by the kernel.
- * Don't fence the driBOs.
- */
-
- if (batch->last_fence)
- driFenceUnReference(&batch->last_fence);
-#if 0 /* ZZZ JB: no _mesa_* funcs in gallium */
- _mesa_printf("fence error\n");
-#endif
- batch->last_fence = NULL;
- fo = NULL;
- goto out;
- }
-
- fence.handle = ea.fence_arg.handle;
- fence.fence_class = ea.fence_arg.fence_class;
- fence.type = ea.fence_arg.type;
- fence.flags = ea.fence_arg.flags;
- fence.signaled = ea.fence_arg.signaled;
-
- fo = driBOFenceUserList(intel_screen->mgr, batch->list,
- "SuperFence", &fence);
-
- if (driFenceType(fo) & DRM_I915_FENCE_TYPE_RW) {
- if (batch->last_fence)
- driFenceUnReference(&batch->last_fence);
- /*
- * FIXME: Context last fence??
- */
- batch->last_fence = fo;
- driFenceReference(fo);
- }
- out:
-#if 0 /* ZZZ JB: fix this */
- intel->vtbl.lost_hardware(intel);
-#else
-#endif
- return fo;
-}
-
-
-struct _DriFenceObject *
-intel_batchbuffer_flush(struct intel_batchbuffer *batch)
-{
- //struct intel_context *intel = batch->intel;
- GLuint used = batch->ptr - batch->map;
- //GLboolean was_locked = 1;
- struct _DriFenceObject *fence;
-
- if (used == 0) {
- driFenceReference(batch->last_fence);
- return batch->last_fence;
- }
-
- /* Add the MI_BATCH_BUFFER_END. Always add an MI_FLUSH - this is a
- * performance drain that we would like to avoid.
- */
-#if 0 /* ZZZ JB: what should we do here? */
- if (used & 4) {
- ((int *) batch->ptr)[0] = intel->vtbl.flush_cmd();
- ((int *) batch->ptr)[1] = 0;
- ((int *) batch->ptr)[2] = MI_BATCH_BUFFER_END;
- used += 12;
- }
- else {
- ((int *) batch->ptr)[0] = intel->vtbl.flush_cmd();
- ((int *) batch->ptr)[1] = MI_BATCH_BUFFER_END;
- used += 8;
- }
-#else
- if (used & 4) {
- ((int *) batch->ptr)[0] = ((0<<29)|(4<<23)); // MI_FLUSH;
- ((int *) batch->ptr)[1] = 0;
- ((int *) batch->ptr)[2] = (0xA<<23); // MI_BATCH_BUFFER_END;
- used += 12;
- }
- else {
- ((int *) batch->ptr)[0] = ((0<<29)|(4<<23)); // MI_FLUSH;
- ((int *) batch->ptr)[1] = (0xA<<23); // MI_BATCH_BUFFER_END;
- used += 8;
- }
-#endif
- 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);*/
-
- fence = 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 fence;
-}
-
-void
-intel_batchbuffer_finish(struct intel_batchbuffer *batch)
-{
- struct _DriFenceObject *fence = intel_batchbuffer_flush(batch);
- driFenceFinish(fence, driFenceType(fence), GL_FALSE);
- driFenceUnReference(&fence);
-}
-
-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;
-}
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