diff options
Diffstat (limited to 'src/mesa/drivers/dri/i915/intel_ioctl.c')
| -rw-r--r-- | src/mesa/drivers/dri/i915/intel_ioctl.c | 668 |
1 files changed, 0 insertions, 668 deletions
diff --git a/src/mesa/drivers/dri/i915/intel_ioctl.c b/src/mesa/drivers/dri/i915/intel_ioctl.c deleted file mode 100644 index ddd92782db..0000000000 --- a/src/mesa/drivers/dri/i915/intel_ioctl.c +++ /dev/null @@ -1,668 +0,0 @@ -/************************************************************************** - * - * 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 "drm.h" - -u_int32_t intelGetLastFrame (intelContextPtr intel) -{ - int ret; - u_int32_t frame; - drm_i915_getparam_t gp; - - gp.param = I915_PARAM_LAST_DISPATCH; - gp.value = (int *)&frame; - ret = drmCommandWriteRead( intel->driFd, DRM_I915_GETPARAM, - &gp, sizeof(gp) ); - return frame; -} - -/** - * Emits a marker in the command stream, numbered from 0x00000001 to - * 0x7fffffff. - */ -int intelEmitIrqLocked( intelContextPtr intel ) -{ - drmI830IrqEmit ie; - int ret, seq; - - assert(((*(int *)intel->driHwLock) & ~DRM_LOCK_CONT) == - (DRM_LOCK_HELD|intel->hHWContext)); - - /* Valgrind can't tell that the kernel will have copyout()ed onto this - * value, so initialize it now to prevent false positives. - */ - seq = 0; - 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); - } - - if (0) - fprintf(stderr, "%s --> %d\n", __FUNCTION__, seq ); - - return seq; -} - -/** Blocks on a marker returned by intelEitIrqLocked(). */ -void intelWaitIrq( intelContextPtr intel, int seq ) -{ - int ret; - - if (0) - fprintf(stderr, "%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 ); - if (0) - intel_dump_batchbuffer( intel->alloc.offset, - intel->alloc.ptr, - intel->alloc.size ); - exit(1); - } -} - - - -static void age_intel( intelContextPtr intel, int age ) -{ - GLuint i; - - for (i = 0 ; i < MAX_TEXTURE_UNITS ; i++) - if (intel->CurrentTexObj[i]) - intel->CurrentTexObj[i]->age = age; -} - -void intel_dump_batchbuffer( long offset, - int *ptr, - int count ) -{ - int i; - fprintf(stderr, "\n\n\nSTART BATCH (%d dwords):\n", count); - for (i = 0; i < count/4; i += 4) - fprintf(stderr, "\t0x%x: 0x%08x 0x%08x 0x%08x 0x%08x\n", - (unsigned int)offset + i*4, ptr[i], ptr[i+1], ptr[i+2], ptr[i+3]); - fprintf(stderr, "END BATCH\n\n\n"); -} - -void intelRefillBatchLocked( intelContextPtr intel, GLboolean allow_unlock ) -{ - GLuint last_irq = intel->alloc.irq_emitted; - GLuint half = intel->alloc.size / 2; - GLuint buf = (intel->alloc.active_buf ^= 1); - - intel->alloc.irq_emitted = intelEmitIrqLocked( intel ); - - if (last_irq) { - if (allow_unlock) UNLOCK_HARDWARE( intel ); - intelWaitIrq( intel, last_irq ); - if (allow_unlock) LOCK_HARDWARE( intel ); - } - - if (0) - fprintf(stderr, "%s: now using half %d\n", __FUNCTION__, buf); - - intel->batch.start_offset = intel->alloc.offset + buf * half; - intel->batch.ptr = (unsigned char *)intel->alloc.ptr + buf * half; - intel->batch.size = half - 8; - intel->batch.space = half - 8; - assert(intel->batch.space >= 0); -} - -#define MI_BATCH_BUFFER_END (0xA<<23) - - -void intelFlushBatchLocked( intelContextPtr intel, - GLboolean ignore_cliprects, - GLboolean refill, - GLboolean allow_unlock) -{ - drmI830BatchBuffer batch; - - assert(intel->locked); - - if (0) - fprintf(stderr, "%s used %d of %d offset %x..%x refill %d (started in %s)\n", - __FUNCTION__, - (intel->batch.size - intel->batch.space), - intel->batch.size, - intel->batch.start_offset, - intel->batch.start_offset + - (intel->batch.size - intel->batch.space), - refill, - intel->batch.func); - - /* 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) { - - /* Without this yeild, an application with no cliprects can hog - * the hardware. Without unlocking, the effect is much worse - - * effectively a lock-out of other contexts. - */ - if (allow_unlock) { - UNLOCK_HARDWARE( intel ); - sched_yield(); - LOCK_HARDWARE( intel ); - } - - /* Note that any state thought to have been emitted actually - * hasn't: - */ - intel->batch.ptr -= (intel->batch.size - intel->batch.space); - intel->batch.space = intel->batch.size; - intel->vtbl.lost_hardware( intel ); - } - - if (intel->batch.space != intel->batch.size) { - - if (intel->sarea->ctxOwner != intel->hHWContext) { - intel->perf_boxes |= I830_BOX_LOST_CONTEXT; - intel->sarea->ctxOwner = intel->hHWContext; - } - - batch.start = intel->batch.start_offset; - batch.used = intel->batch.size - intel->batch.space; - batch.cliprects = intel->pClipRects; - batch.num_cliprects = ignore_cliprects ? 0 : intel->numClipRects; - batch.DR1 = 0; - batch.DR4 = ((((GLuint)intel->drawX) & 0xffff) | - (((GLuint)intel->drawY) << 16)); - - if (intel->alloc.offset) { - if ((batch.used & 0x4) == 0) { - ((int *)intel->batch.ptr)[0] = 0; - ((int *)intel->batch.ptr)[1] = MI_BATCH_BUFFER_END; - batch.used += 0x8; - intel->batch.ptr += 0x8; - } - else { - ((int *)intel->batch.ptr)[0] = MI_BATCH_BUFFER_END; - batch.used += 0x4; - intel->batch.ptr += 0x4; - } - } - - if (0) - intel_dump_batchbuffer( batch.start, - (int *)(intel->batch.ptr - batch.used), - batch.used ); - - intel->batch.start_offset += batch.used; - intel->batch.size -= batch.used; - - if (intel->batch.size < 8) { - refill = GL_TRUE; - intel->batch.space = intel->batch.size = 0; - } - else { - intel->batch.size -= 8; - intel->batch.space = intel->batch.size; - } - - - assert(intel->batch.space >= 0); - assert(batch.start >= intel->alloc.offset); - assert(batch.start < intel->alloc.offset + intel->alloc.size); - assert(batch.start + batch.used > intel->alloc.offset); - assert(batch.start + batch.used <= - intel->alloc.offset + intel->alloc.size); - - - if (intel->alloc.offset) { - if (drmCommandWrite (intel->driFd, DRM_I830_BATCHBUFFER, &batch, - sizeof(batch))) { - fprintf(stderr, "DRM_I830_BATCHBUFFER: %d\n", -errno); - UNLOCK_HARDWARE(intel); - exit(1); - } - } else { - drmI830CmdBuffer cmd; - cmd.buf = (char *)intel->alloc.ptr + batch.start; - cmd.sz = batch.used; - cmd.DR1 = batch.DR1; - cmd.DR4 = batch.DR4; - cmd.num_cliprects = batch.num_cliprects; - cmd.cliprects = batch.cliprects; - - if (drmCommandWrite (intel->driFd, DRM_I830_CMDBUFFER, &cmd, - sizeof(cmd))) { - fprintf(stderr, "DRM_I830_CMDBUFFER: %d\n", -errno); - UNLOCK_HARDWARE(intel); - exit(1); - } - } - - - age_intel(intel, intel->sarea->last_enqueue); - - /* FIXME: use hardware contexts to avoid 'losing' hardware after - * each buffer flush. - */ - if (intel->batch.contains_geometry) - assert(intel->batch.last_emit_state == intel->batch.counter); - - intel->batch.counter++; - intel->batch.contains_geometry = 0; - intel->batch.func = 0; - intel->vtbl.lost_hardware( intel ); - } - - if (refill) - intelRefillBatchLocked( intel, allow_unlock ); -} - -void intelFlushBatch( intelContextPtr intel, GLboolean refill ) -{ - if (intel->locked) { - intelFlushBatchLocked( intel, GL_FALSE, refill, GL_FALSE ); - } - else { - LOCK_HARDWARE(intel); - intelFlushBatchLocked( intel, GL_FALSE, refill, GL_TRUE ); - UNLOCK_HARDWARE(intel); - } -} - - -void intelWaitForIdle( intelContextPtr intel ) -{ - if (0) - fprintf(stderr, "%s\n", __FUNCTION__); - - intel->vtbl.emit_flush( intel ); - intelFlushBatch( intel, GL_TRUE ); - - /* Use an irq to wait for dma idle -- Need to track lost contexts - * to shortcircuit consecutive calls to this function: - */ - intelWaitIrq( intel, intel->alloc.irq_emitted ); - intel->alloc.irq_emitted = 0; -} - - -/** - * 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. - */ -static void -intelCheckFrontRotate(GLcontext *ctx) -{ - intelContextPtr intel = INTEL_CONTEXT( ctx ); - if (intel->ctx.DrawBuffer->_ColorDrawBufferMask[0] == BUFFER_BIT_FRONT_LEFT) { - intelScreenPrivate *screen = intel->intelScreen; - if (screen->current_rotation != 0) { - __DRIdrawablePrivate *dPriv = intel->driDrawable; - intelRotateWindow(intel, dPriv, BUFFER_BIT_FRONT_LEFT); - } - } -} - - -/** - * NOT directly called via glFlush. - */ -void intelFlush( GLcontext *ctx ) -{ - intelContextPtr intel = INTEL_CONTEXT( ctx ); - - if (intel->Fallback) - _swrast_flush( ctx ); - - INTEL_FIREVERTICES( intel ); - - if (intel->batch.size != intel->batch.space) - intelFlushBatch( intel, GL_FALSE ); -} - - -/** - * Called via glFlush. - */ -void intelglFlush( GLcontext *ctx ) -{ - intelFlush(ctx); - intelCheckFrontRotate(ctx); -} - - -void intelFinish( GLcontext *ctx ) -{ - intelContextPtr intel = INTEL_CONTEXT( ctx ); - intelFlush( ctx ); - intelWaitForIdle( intel ); - intelCheckFrontRotate(ctx); -} - - -void intelClear(GLcontext *ctx, GLbitfield mask) -{ - intelContextPtr intel = INTEL_CONTEXT( ctx ); - const GLuint colorMask = *((GLuint *) &ctx->Color.ColorMask); - GLbitfield tri_mask = 0; - GLbitfield blit_mask = 0; - GLbitfield swrast_mask = 0; - - if (0) - fprintf(stderr, "%s\n", __FUNCTION__); - - /* Take care of cliprects, which are handled differently for - * clears, etc. - */ - intelFlush( &intel->ctx ); - - if (mask & BUFFER_BIT_FRONT_LEFT) { - if (colorMask == ~0) { - blit_mask |= BUFFER_BIT_FRONT_LEFT; - } - else { - tri_mask |= BUFFER_BIT_FRONT_LEFT; - } - } - - if (mask & BUFFER_BIT_BACK_LEFT) { - if (colorMask == ~0) { - blit_mask |= BUFFER_BIT_BACK_LEFT; - } - else { - tri_mask |= BUFFER_BIT_BACK_LEFT; - } - } - - if (mask & BUFFER_BIT_DEPTH) { - blit_mask |= BUFFER_BIT_DEPTH; - } - - if (mask & BUFFER_BIT_STENCIL) { - if (!intel->hw_stencil) { - swrast_mask |= BUFFER_BIT_STENCIL; - } - else if ((ctx->Stencil.WriteMask[0] & 0xff) != 0xff) { - tri_mask |= BUFFER_BIT_STENCIL; - } - else { - blit_mask |= BUFFER_BIT_STENCIL; - } - } - - swrast_mask |= (mask & BUFFER_BIT_ACCUM); - - if (blit_mask) - intelClearWithBlit( ctx, blit_mask, 0, 0, 0, 0, 0); - - if (tri_mask) - intel->vtbl.clear_with_tris( intel, tri_mask, 0, 0, 0, 0, 0); - - if (swrast_mask) - _swrast_Clear( ctx, swrast_mask ); -} - - -void -intelRotateWindow(intelContextPtr intel, __DRIdrawablePrivate *dPriv, - GLuint srcBuffer) -{ - if (intel->vtbl.rotate_window) { - intel->vtbl.rotate_window(intel, dPriv, srcBuffer); - } -} - - -void *intelAllocateAGP( intelContextPtr intel, GLsizei size ) -{ - int region_offset; - drmI830MemAlloc alloc; - int ret; - - if (0) - fprintf(stderr, "%s: %d bytes\n", __FUNCTION__, size); - - alloc.region = I830_MEM_REGION_AGP; - alloc.alignment = 0; - alloc.size = size; - alloc.region_offset = ®ion_offset; - - LOCK_HARDWARE(intel); - - /* Make sure the global heap is initialized - */ - if (intel->texture_heaps[0]) - driAgeTextures( intel->texture_heaps[0] ); - - - ret = drmCommandWriteRead( intel->driFd, - DRM_I830_ALLOC, - &alloc, sizeof(alloc)); - - if (ret) { - fprintf(stderr, "%s: DRM_I830_ALLOC ret %d\n", __FUNCTION__, ret); - UNLOCK_HARDWARE(intel); - return NULL; - } - - if (0) - fprintf(stderr, "%s: allocated %d bytes\n", __FUNCTION__, size); - - /* Need to propogate this information (agp memory in use) to our - * local texture lru. The kernel has already updated the global - * lru. An alternative would have been to allocate memory the - * usual way and then notify the kernel to pin the allocation. - */ - if (intel->texture_heaps[0]) - driAgeTextures( intel->texture_heaps[0] ); - - UNLOCK_HARDWARE(intel); - - return (void *)((char *)intel->intelScreen->tex.map + region_offset); -} - -void intelFreeAGP( intelContextPtr intel, void *pointer ) -{ - int region_offset; - drmI830MemFree memfree; - int ret; - - region_offset = (char *)pointer - (char *)intel->intelScreen->tex.map; - - if (region_offset < 0 || - region_offset > intel->intelScreen->tex.size) { - fprintf(stderr, "offset %d outside range 0..%d\n", region_offset, - intel->intelScreen->tex.size); - return; - } - - memfree.region = I830_MEM_REGION_AGP; - memfree.region_offset = region_offset; - - ret = drmCommandWrite( intel->driFd, - DRM_I830_FREE, - &memfree, sizeof(memfree)); - - if (ret) - fprintf(stderr, "%s: DRM_I830_FREE ret %d\n", __FUNCTION__, ret); -} - -/* This version of AllocateMemoryMESA allocates only agp memory, and - * only does so after the point at which the driver has been - * initialized. - * - * Theoretically a valid context isn't required. However, in this - * implementation, it is, as I'm using the hardware lock to protect - * the kernel data structures, and the current context to get the - * device fd. - */ -void *intelAllocateMemoryMESA(__DRInativeDisplay *dpy, int scrn, - GLsizei size, GLfloat readfreq, - GLfloat writefreq, GLfloat priority) -{ - GET_CURRENT_CONTEXT(ctx); - - if (INTEL_DEBUG & DEBUG_IOCTL) - fprintf(stderr, "%s sz %d %f/%f/%f\n", __FUNCTION__, size, readfreq, - writefreq, priority); - - if (getenv("INTEL_NO_ALLOC")) - return NULL; - - if (!ctx || INTEL_CONTEXT(ctx) == 0) - return NULL; - - return intelAllocateAGP( INTEL_CONTEXT(ctx), size ); -} - - -/* Called via glXFreeMemoryMESA() */ -void intelFreeMemoryMESA(__DRInativeDisplay *dpy, int scrn, GLvoid *pointer) -{ - GET_CURRENT_CONTEXT(ctx); - if (INTEL_DEBUG & DEBUG_IOCTL) - fprintf(stderr, "%s %p\n", __FUNCTION__, pointer); - - if (!ctx || INTEL_CONTEXT(ctx) == 0) { - fprintf(stderr, "%s: no context\n", __FUNCTION__); - return; - } - - intelFreeAGP( INTEL_CONTEXT(ctx), pointer ); -} - -/* Called via glXGetMemoryOffsetMESA() - * - * Returns offset of pointer from the start of agp aperture. - */ -GLuint intelGetMemoryOffsetMESA(__DRInativeDisplay *dpy, int scrn, - const GLvoid *pointer) -{ - GET_CURRENT_CONTEXT(ctx); - intelContextPtr intel; - - if (!ctx || !(intel = INTEL_CONTEXT(ctx)) ) { - fprintf(stderr, "%s: no context\n", __FUNCTION__); - return ~0; - } - - if (!intelIsAgpMemory( intel, pointer, 0 )) - return ~0; - - return intelAgpOffsetFromVirtual( intel, pointer ); -} - - -GLboolean intelIsAgpMemory( intelContextPtr intel, const GLvoid *pointer, - GLint size ) -{ - int offset = (char *)pointer - (char *)intel->intelScreen->tex.map; - int valid = (size >= 0 && - offset >= 0 && - offset + size < intel->intelScreen->tex.size); - - if (INTEL_DEBUG & DEBUG_IOCTL) - fprintf(stderr, "intelIsAgpMemory( %p ) : %d\n", pointer, valid ); - - return valid; -} - - -GLuint intelAgpOffsetFromVirtual( intelContextPtr intel, const GLvoid *pointer ) -{ - int offset = (char *)pointer - (char *)intel->intelScreen->tex.map; - - if (offset < 0 || offset > intel->intelScreen->tex.size) - return ~0; - else - return intel->intelScreen->tex.offset + offset; -} - - - - - -/* Flip the front & back buffes - */ -void intelPageFlip( const __DRIdrawablePrivate *dPriv ) -{ -#if 0 - intelContextPtr intel; - int tmp, ret; - - if (INTEL_DEBUG & DEBUG_IOCTL) - fprintf(stderr, "%s\n", __FUNCTION__); - - assert(dPriv); - assert(dPriv->driContextPriv); - assert(dPriv->driContextPriv->driverPrivate); - - intel = (intelContextPtr) dPriv->driContextPriv->driverPrivate; - - intelFlush( &intel->ctx ); - LOCK_HARDWARE( intel ); - - if (dPriv->pClipRects) { - *(drm_clip_rect_t *)intel->sarea->boxes = dPriv->pClipRects[0]; - intel->sarea->nbox = 1; - } - - ret = drmCommandNone(intel->driFd, DRM_I830_FLIP); - if (ret) { - fprintf(stderr, "%s: %d\n", __FUNCTION__, ret); - UNLOCK_HARDWARE( intel ); - exit(1); - } - - tmp = intel->sarea->last_enqueue; - intelRefillBatchLocked( intel ); - UNLOCK_HARDWARE( intel ); - - - intelSetDrawBuffer( &intel->ctx, intel->ctx.Color.DriverDrawBuffer ); -#endif -} |