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path: root/src/mesa/drivers/dri/i915/intel_batchbuffer.c
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Diffstat (limited to 'src/mesa/drivers/dri/i915/intel_batchbuffer.c')
-rw-r--r--src/mesa/drivers/dri/i915/intel_batchbuffer.c829
1 files changed, 0 insertions, 829 deletions
diff --git a/src/mesa/drivers/dri/i915/intel_batchbuffer.c b/src/mesa/drivers/dri/i915/intel_batchbuffer.c
deleted file mode 100644
index 803b41b256..0000000000
--- a/src/mesa/drivers/dri/i915/intel_batchbuffer.c
+++ /dev/null
@@ -1,829 +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 <errno.h>
-
-#include "mtypes.h"
-#include "context.h"
-#include "enums.h"
-#include "vblank.h"
-
-#include "intel_reg.h"
-#include "intel_batchbuffer.h"
-#include "intel_context.h"
-
-
-
-
-/* ================================================================
- * Performance monitoring functions
- */
-
-static void intel_fill_box( intelContextPtr intel,
- GLshort x, GLshort y,
- GLshort w, GLshort h,
- GLubyte r, GLubyte g, GLubyte b )
-{
- x += intel->drawX;
- y += intel->drawY;
-
- if (x >= 0 && y >= 0 &&
- x+w < intel->intelScreen->width &&
- y+h < intel->intelScreen->height)
- intelEmitFillBlitLocked( intel,
- intel->intelScreen->cpp,
- intel->intelScreen->back.pitch,
- intel->intelScreen->back.offset,
- x, y, w, h,
- INTEL_PACKCOLOR(intel->intelScreen->fbFormat,
- r,g,b,0xff));
-}
-
-static void intel_draw_performance_boxes( intelContextPtr intel )
-{
- /* Purple box for page flipping
- */
- if ( intel->perf_boxes & I830_BOX_FLIP )
- intel_fill_box( intel, 4, 4, 8, 8, 255, 0, 255 );
-
- /* Red box if we have to wait for idle at any point
- */
- if ( intel->perf_boxes & I830_BOX_WAIT )
- intel_fill_box( intel, 16, 4, 8, 8, 255, 0, 0 );
-
- /* Blue box: lost context?
- */
- if ( intel->perf_boxes & I830_BOX_LOST_CONTEXT )
- intel_fill_box( intel, 28, 4, 8, 8, 0, 0, 255 );
-
- /* Yellow box for texture swaps
- */
- if ( intel->perf_boxes & I830_BOX_TEXTURE_LOAD )
- intel_fill_box( intel, 40, 4, 8, 8, 255, 255, 0 );
-
- /* Green box if hardware never idles (as far as we can tell)
- */
- if ( !(intel->perf_boxes & I830_BOX_RING_EMPTY) )
- intel_fill_box( intel, 64, 4, 8, 8, 0, 255, 0 );
-
-
- /* Draw bars indicating number of buffers allocated
- * (not a great measure, easily confused)
- */
-#if 0
- if (intel->dma_used) {
- int bar = intel->dma_used / 10240;
- if (bar > 100) bar = 100;
- if (bar < 1) bar = 1;
- intel_fill_box( intel, 4, 16, bar, 4, 196, 128, 128 );
- intel->dma_used = 0;
- }
-#endif
-
- intel->perf_boxes = 0;
-}
-
-
-
-
-
-
-static int bad_prim_vertex_nr( int primitive, int nr )
-{
- switch (primitive & PRIM3D_MASK) {
- case PRIM3D_POINTLIST:
- return nr < 1;
- case PRIM3D_LINELIST:
- return (nr & 1) || nr == 0;
- case PRIM3D_LINESTRIP:
- return nr < 2;
- case PRIM3D_TRILIST:
- case PRIM3D_RECTLIST:
- return nr % 3 || nr == 0;
- case PRIM3D_POLY:
- case PRIM3D_TRIFAN:
- case PRIM3D_TRISTRIP:
- case PRIM3D_TRISTRIP_RVRSE:
- return nr < 3;
- default:
- return 1;
- }
-}
-
-static void intel_flush_inline_primitive( GLcontext *ctx )
-{
- intelContextPtr intel = INTEL_CONTEXT( ctx );
- GLuint used = intel->batch.ptr - intel->prim.start_ptr;
- GLuint vertcount;
-
- assert(intel->prim.primitive != ~0);
-
- if (1) {
- /* Check vertex size against the vertex we're specifying to
- * hardware. If it's wrong, ditch the primitive.
- */
- if (!intel->vtbl.check_vertex_size( intel, intel->vertex_size ))
- goto do_discard;
-
- vertcount = (used - 4)/ (intel->vertex_size * 4);
-
- if (!vertcount)
- goto do_discard;
-
- if (vertcount * intel->vertex_size * 4 != used - 4) {
- fprintf(stderr, "vertex size confusion %d %d\n", used,
- intel->vertex_size * vertcount * 4);
- goto do_discard;
- }
-
- if (bad_prim_vertex_nr( intel->prim.primitive, vertcount )) {
- fprintf(stderr, "bad_prim_vertex_nr %x %d\n", intel->prim.primitive,
- vertcount);
- goto do_discard;
- }
- }
-
- if (used < 8)
- goto do_discard;
-
- *(int *)intel->prim.start_ptr = (_3DPRIMITIVE |
- intel->prim.primitive |
- (used/4-2));
-
- goto finished;
-
- do_discard:
- intel->batch.ptr -= used;
- intel->batch.space += used;
- assert(intel->batch.space >= 0);
-
- finished:
- intel->prim.primitive = ~0;
- intel->prim.start_ptr = 0;
- intel->prim.flush = 0;
-}
-
-
-/* Emit a primitive referencing vertices in a vertex buffer.
- */
-void intelStartInlinePrimitive( intelContextPtr intel, GLuint prim )
-{
- BATCH_LOCALS;
-
- if (0)
- fprintf(stderr, "%s %x\n", __FUNCTION__, prim);
-
-
- /* Finish any in-progress primitive:
- */
- INTEL_FIREVERTICES( intel );
-
- /* Emit outstanding state:
- */
- intel->vtbl.emit_state( intel );
-
- /* Make sure there is some space in this buffer:
- */
- if (intel->vertex_size * 10 * sizeof(GLuint) >= intel->batch.space) {
- intelFlushBatch(intel, GL_TRUE);
- intel->vtbl.emit_state( intel );
- }
-
-#if 1
- if (((unsigned long)intel->batch.ptr) & 0x4) {
- BEGIN_BATCH(1);
- OUT_BATCH(0);
- ADVANCE_BATCH();
- }
-#endif
-
- /* Emit a slot which will be filled with the inline primitive
- * command later.
- */
- BEGIN_BATCH(2);
- OUT_BATCH( 0 );
-
- intel->prim.start_ptr = batch_ptr;
- intel->prim.primitive = prim;
- intel->prim.flush = intel_flush_inline_primitive;
- intel->batch.contains_geometry = 1;
-
- OUT_BATCH( 0 );
- ADVANCE_BATCH();
-}
-
-
-void intelRestartInlinePrimitive( intelContextPtr intel )
-{
- GLuint prim = intel->prim.primitive;
-
- intel_flush_inline_primitive( &intel->ctx );
- if (1) intelFlushBatch(intel, GL_TRUE); /* GL_TRUE - is critical */
- intelStartInlinePrimitive( intel, prim );
-}
-
-
-
-void intelWrapInlinePrimitive( intelContextPtr intel )
-{
- GLuint prim = intel->prim.primitive;
-
- if (0)
- fprintf(stderr, "%s\n", __FUNCTION__);
- intel_flush_inline_primitive( &intel->ctx );
- intelFlushBatch(intel, GL_TRUE);
- intelStartInlinePrimitive( intel, prim );
-}
-
-
-/* Emit a primitive with space for inline vertices.
- */
-GLuint *intelEmitInlinePrimitiveLocked(intelContextPtr intel,
- int primitive,
- int dwords,
- int vertex_size )
-{
- GLuint *tmp = 0;
- BATCH_LOCALS;
-
- if (0)
- fprintf(stderr, "%s 0x%x %d\n", __FUNCTION__, primitive, dwords);
-
- /* Emit outstanding state:
- */
- intel->vtbl.emit_state( intel );
-
- if ((1+dwords)*4 >= intel->batch.space) {
- intelFlushBatch(intel, GL_TRUE);
- intel->vtbl.emit_state( intel );
- }
-
-
- if (1) {
- int used = dwords * 4;
- int vertcount;
-
- /* Check vertex size against the vertex we're specifying to
- * hardware. If it's wrong, ditch the primitive.
- */
- if (!intel->vtbl.check_vertex_size( intel, vertex_size ))
- goto do_discard;
-
- vertcount = dwords / vertex_size;
-
- if (dwords % vertex_size) {
- fprintf(stderr, "did not request a whole number of vertices\n");
- goto do_discard;
- }
-
- if (bad_prim_vertex_nr( primitive, vertcount )) {
- fprintf(stderr, "bad_prim_vertex_nr %x %d\n", primitive, vertcount);
- goto do_discard;
- }
-
- if (used < 8)
- goto do_discard;
- }
-
- /* Emit 3D_PRIMITIVE commands:
- */
- BEGIN_BATCH(1 + dwords);
- OUT_BATCH( _3DPRIMITIVE |
- primitive |
- (dwords-1) );
-
- tmp = (GLuint *)batch_ptr;
- batch_ptr += dwords * 4;
-
- ADVANCE_BATCH();
-
- intel->batch.contains_geometry = 1;
-
- do_discard:
- return tmp;
-}
-
-
-static void intelWaitForFrameCompletion( intelContextPtr intel )
-{
- drm_i915_sarea_t *sarea = (drm_i915_sarea_t *)intel->sarea;
-
- if (intel->do_irqs) {
- if (intelGetLastFrame(intel) < sarea->last_dispatch) {
- if (!intel->irqsEmitted) {
- while (intelGetLastFrame (intel) < sarea->last_dispatch)
- ;
- }
- else {
- intelWaitIrq( intel, intel->alloc.irq_emitted );
- }
- intel->irqsEmitted = 10;
- }
-
- if (intel->irqsEmitted) {
- LOCK_HARDWARE( intel );
- intelEmitIrqLocked( intel );
- intel->irqsEmitted--;
- UNLOCK_HARDWARE( intel );
- }
- }
- else {
- while (intelGetLastFrame (intel) < sarea->last_dispatch) {
- if (intel->do_usleeps)
- DO_USLEEP( 1 );
- }
- }
-}
-
-/*
- * Copy the back buffer to the front buffer.
- */
-void intelCopyBuffer( const __DRIdrawablePrivate *dPriv,
- const drm_clip_rect_t *rect)
-{
- intelContextPtr intel;
- const intelScreenPrivate *intelScreen;
- GLboolean missed_target;
- int64_t ust;
-
- if (0)
- fprintf(stderr, "%s\n", __FUNCTION__);
-
- assert(dPriv);
- assert(dPriv->driContextPriv);
- assert(dPriv->driContextPriv->driverPrivate);
-
- intel = (intelContextPtr) dPriv->driContextPriv->driverPrivate;
-
- intelFlush( &intel->ctx );
-
- intelScreen = intel->intelScreen;
-
- if (!rect && !intel->swap_scheduled && intelScreen->drmMinor >= 6 &&
- !(intel->vblank_flags & VBLANK_FLAG_NO_IRQ) &&
- intelScreen->current_rotation == 0) {
- unsigned int interval = driGetVBlankInterval(dPriv, intel->vblank_flags);
- unsigned int target;
- drm_i915_vblank_swap_t swap;
-
- swap.drawable = dPriv->hHWDrawable;
- swap.seqtype = DRM_VBLANK_ABSOLUTE;
- target = swap.sequence = intel->vbl_seq + interval;
-
- if (intel->vblank_flags & VBLANK_FLAG_SYNC) {
- swap.seqtype |= DRM_VBLANK_NEXTONMISS;
- } else if (interval == 0) {
- goto noschedule;
- }
-
- if ( intel->vblank_flags & VBLANK_FLAG_SECONDARY ) {
- swap.seqtype |= DRM_VBLANK_SECONDARY;
- }
-
- if (!drmCommandWriteRead(intel->driFd, DRM_I915_VBLANK_SWAP, &swap,
- sizeof(swap))) {
- intel->swap_scheduled = 1;
- intel->vbl_seq = swap.sequence;
- swap.sequence -= target;
- missed_target = swap.sequence > 0 && swap.sequence <= (1 << 23);
- }
- } else {
- intel->swap_scheduled = 0;
- }
-noschedule:
-
- if (!intel->swap_scheduled) {
- intelWaitForFrameCompletion( intel );
- LOCK_HARDWARE( intel );
-
- if (!rect)
- {
- UNLOCK_HARDWARE( intel );
- driWaitForVBlank( dPriv, &intel->vbl_seq, intel->vblank_flags, & missed_target );
- LOCK_HARDWARE( intel );
- }
- {
- const intelScreenPrivate *intelScreen = intel->intelScreen;
- const __DRIdrawablePrivate *dPriv = intel->driDrawable;
- const int nbox = dPriv->numClipRects;
- const drm_clip_rect_t *pbox = dPriv->pClipRects;
- drm_clip_rect_t box;
- const int cpp = intelScreen->cpp;
- const int pitch = intelScreen->front.pitch; /* in bytes */
- int i;
- GLuint CMD, BR13;
- BATCH_LOCALS;
-
- switch(cpp) {
- case 2:
- BR13 = (pitch) | (0xCC << 16) | (1<<24);
- CMD = XY_SRC_COPY_BLT_CMD;
- break;
- case 4:
- BR13 = (pitch) | (0xCC << 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:
- BR13 = (pitch) | (0xCC << 16) | (1<<24);
- CMD = XY_SRC_COPY_BLT_CMD;
- break;
- }
-
- if (0)
- intel_draw_performance_boxes( intel );
-
- for (i = 0 ; i < nbox; i++, pbox++)
- {
- if (pbox->x1 > pbox->x2 ||
- pbox->y1 > pbox->y2 ||
- pbox->x2 > intelScreen->width ||
- pbox->y2 > intelScreen->height) {
- _mesa_warning(&intel->ctx, "Bad cliprect in intelCopyBuffer()");
- continue;
- }
-
- box = *pbox;
-
- if (rect)
- {
- if (rect->x1 > box.x1)
- box.x1 = rect->x1;
- if (rect->y1 > box.y1)
- box.y1 = rect->y1;
- if (rect->x2 < box.x2)
- box.x2 = rect->x2;
- if (rect->y2 < box.y2)
- box.y2 = rect->y2;
-
- if (box.x1 > box.x2 || box.y1 > box.y2)
- continue;
- }
-
- BEGIN_BATCH( 8);
- OUT_BATCH( CMD );
- OUT_BATCH( BR13 );
- OUT_BATCH( (box.y1 << 16) | box.x1 );
- OUT_BATCH( (box.y2 << 16) | box.x2 );
-
- if (intel->sarea->pf_current_page == 0)
- OUT_BATCH( intelScreen->front.offset );
- else
- OUT_BATCH( intelScreen->back.offset );
-
- OUT_BATCH( (box.y1 << 16) | box.x1 );
- OUT_BATCH( BR13 & 0xffff );
-
- if (intel->sarea->pf_current_page == 0)
- OUT_BATCH( intelScreen->back.offset );
- else
- OUT_BATCH( intelScreen->front.offset );
-
- ADVANCE_BATCH();
- }
- }
- intelFlushBatchLocked( intel, GL_TRUE, GL_TRUE, GL_TRUE );
- UNLOCK_HARDWARE( intel );
- }
-
- if (!rect)
- {
- intel->swap_count++;
- (*dri_interface->getUST)(&ust);
- if (missed_target) {
- intel->swap_missed_count++;
- intel->swap_missed_ust = ust - intel->swap_ust;
- }
-
- intel->swap_ust = ust;
- }
-}
-
-
-
-
-void intelEmitFillBlitLocked( intelContextPtr intel,
- GLuint cpp,
- GLshort dst_pitch, /* in bytes */
- GLuint dst_offset,
- GLshort x, GLshort y,
- GLshort w, GLshort h,
- GLuint color )
-{
- GLuint BR13, CMD;
- BATCH_LOCALS;
-
- 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;
- }
-
- BEGIN_BATCH( 6);
- OUT_BATCH( CMD );
- OUT_BATCH( BR13 );
- OUT_BATCH( (y << 16) | x );
- OUT_BATCH( ((y+h) << 16) | (x+w) );
- OUT_BATCH( dst_offset );
- OUT_BATCH( color );
- ADVANCE_BATCH();
-}
-
-
-/* Copy BitBlt
- */
-void intelEmitCopyBlitLocked( intelContextPtr intel,
- GLuint cpp,
- GLshort src_pitch,
- GLuint src_offset,
- GLshort dst_pitch,
- GLuint dst_offset,
- GLshort src_x, GLshort src_y,
- GLshort dst_x, GLshort dst_y,
- GLshort w, GLshort h )
-{
- GLuint CMD, BR13;
- int dst_y2 = dst_y + h;
- int dst_x2 = dst_x + w;
- BATCH_LOCALS;
-
- src_pitch *= cpp;
- dst_pitch *= cpp;
-
- switch(cpp) {
- case 1:
- case 2:
- case 3:
- BR13 = dst_pitch | (0xCC << 16) | (1<<24);
- CMD = XY_SRC_COPY_BLT_CMD;
- break;
- case 4:
- BR13 = dst_pitch | (0xCC << 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;
- }
-
- BEGIN_BATCH( 12);
- OUT_BATCH( CMD );
- OUT_BATCH( BR13 );
- OUT_BATCH( (dst_y << 16) | dst_x );
- OUT_BATCH( (dst_y2 << 16) | dst_x2 );
- OUT_BATCH( dst_offset );
- OUT_BATCH( (src_y << 16) | src_x );
- OUT_BATCH( src_pitch );
- OUT_BATCH( src_offset );
- ADVANCE_BATCH();
-}
-
-
-
-void intelClearWithBlit(GLcontext *ctx, GLbitfield buffers, GLboolean allFoo,
- GLint cx1Foo, GLint cy1Foo, GLint cwFoo, GLint chFoo)
-{
- intelContextPtr intel = INTEL_CONTEXT( ctx );
- intelScreenPrivate *intelScreen = intel->intelScreen;
- GLuint clear_depth, clear_color;
- GLint cx, cy, cw, ch;
- GLboolean all;
- GLint pitch;
- GLint cpp = intelScreen->cpp;
- GLint i;
- GLuint BR13, CMD, D_CMD;
- BATCH_LOCALS;
-
- intelFlush( &intel->ctx );
- LOCK_HARDWARE( intel );
-
- /* get clear bounds after locking */
- cx = intel->ctx.DrawBuffer->_Xmin;
- cy = intel->ctx.DrawBuffer->_Ymin;
- cw = intel->ctx.DrawBuffer->_Xmax - cx;
- ch = intel->ctx.DrawBuffer->_Ymax - cy;
- all = (cw == intel->ctx.DrawBuffer->Width &&
- ch == intel->ctx.DrawBuffer->Height);
-
- pitch = intelScreen->front.pitch;
-
- clear_color = intel->ClearColor;
- clear_depth = 0;
-
- if (buffers & BUFFER_BIT_DEPTH) {
- clear_depth = (GLuint)(ctx->Depth.Clear * intel->ClearDepth);
- }
-
- if (buffers & BUFFER_BIT_STENCIL) {
- clear_depth |= (ctx->Stencil.Clear & 0xff) << 24;
- }
-
- switch(cpp) {
- case 2:
- BR13 = (0xF0 << 16) | (pitch) | (1<<24);
- D_CMD = CMD = XY_COLOR_BLT_CMD;
- break;
- case 4:
- BR13 = (0xF0 << 16) | (pitch) | (1<<24) | (1<<25);
- CMD = (XY_COLOR_BLT_CMD |
- XY_COLOR_BLT_WRITE_ALPHA |
- XY_COLOR_BLT_WRITE_RGB);
- D_CMD = XY_COLOR_BLT_CMD;
- if (buffers & BUFFER_BIT_DEPTH) D_CMD |= XY_COLOR_BLT_WRITE_RGB;
- if (buffers & BUFFER_BIT_STENCIL) D_CMD |= XY_COLOR_BLT_WRITE_ALPHA;
- break;
- default:
- BR13 = (0xF0 << 16) | (pitch) | (1<<24);
- D_CMD = CMD = XY_COLOR_BLT_CMD;
- break;
- }
-
- {
- /* flip top to bottom */
- cy = intel->driDrawable->h - cy - ch;
- cx = cx + intel->drawX;
- cy += intel->drawY;
-
- /* adjust for page flipping */
- if ( intel->sarea->pf_current_page == 1 ) {
- GLuint tmp = buffers;
-
- buffers &= ~(BUFFER_BIT_FRONT_LEFT | BUFFER_BIT_BACK_LEFT);
- if ( tmp & BUFFER_BIT_FRONT_LEFT ) buffers |= BUFFER_BIT_BACK_LEFT;
- if ( tmp & BUFFER_BIT_BACK_LEFT ) buffers |= BUFFER_BIT_FRONT_LEFT;
- }
-
- for (i = 0 ; i < intel->numClipRects ; i++)
- {
- drm_clip_rect_t *box = &intel->pClipRects[i];
- drm_clip_rect_t b;
-
- if (!all) {
- GLint x = box->x1;
- GLint y = box->y1;
- GLint w = box->x2 - x;
- GLint h = box->y2 - y;
-
- if (x < cx) w -= cx - x, x = cx;
- if (y < cy) h -= cy - y, y = cy;
- if (x + w > cx + cw) w = cx + cw - x;
- if (y + h > cy + ch) h = cy + ch - y;
- if (w <= 0) continue;
- if (h <= 0) continue;
-
- b.x1 = x;
- b.y1 = y;
- b.x2 = x + w;
- b.y2 = y + h;
- } else {
- b = *box;
- }
-
-
- if (b.x1 > b.x2 ||
- b.y1 > b.y2 ||
- b.x2 > intelScreen->width ||
- b.y2 > intelScreen->height)
- continue;
-
- if ( buffers & BUFFER_BIT_FRONT_LEFT ) {
- BEGIN_BATCH( 6);
- OUT_BATCH( CMD );
- OUT_BATCH( BR13 );
- OUT_BATCH( (b.y1 << 16) | b.x1 );
- OUT_BATCH( (b.y2 << 16) | b.x2 );
- OUT_BATCH( intelScreen->front.offset );
- OUT_BATCH( clear_color );
- ADVANCE_BATCH();
- }
-
- if ( buffers & BUFFER_BIT_BACK_LEFT ) {
- BEGIN_BATCH( 6);
- OUT_BATCH( CMD );
- OUT_BATCH( BR13 );
- OUT_BATCH( (b.y1 << 16) | b.x1 );
- OUT_BATCH( (b.y2 << 16) | b.x2 );
- OUT_BATCH( intelScreen->back.offset );
- OUT_BATCH( clear_color );
- ADVANCE_BATCH();
- }
-
- if ( buffers & (BUFFER_BIT_STENCIL | BUFFER_BIT_DEPTH) ) {
- BEGIN_BATCH( 6);
- OUT_BATCH( D_CMD );
- OUT_BATCH( BR13 );
- OUT_BATCH( (b.y1 << 16) | b.x1 );
- OUT_BATCH( (b.y2 << 16) | b.x2 );
- OUT_BATCH( intelScreen->depth.offset );
- OUT_BATCH( clear_depth );
- ADVANCE_BATCH();
- }
- }
- }
- intelFlushBatchLocked( intel, GL_TRUE, GL_FALSE, GL_TRUE );
- UNLOCK_HARDWARE( intel );
-}
-
-
-
-
-void intelDestroyBatchBuffer( GLcontext *ctx )
-{
- intelContextPtr intel = INTEL_CONTEXT(ctx);
-
- if (intel->alloc.offset) {
- intelFreeAGP( intel, intel->alloc.ptr );
- intel->alloc.ptr = NULL;
- intel->alloc.offset = 0;
- }
- else if (intel->alloc.ptr) {
- free(intel->alloc.ptr);
- intel->alloc.ptr = NULL;
- }
-
- memset(&intel->batch, 0, sizeof(intel->batch));
-}
-
-
-void intelInitBatchBuffer( GLcontext *ctx )
-{
- intelContextPtr intel = INTEL_CONTEXT(ctx);
-
- /* This path isn't really safe with rotate:
- */
- if (getenv("INTEL_BATCH") && intel->intelScreen->allow_batchbuffer) {
- switch (intel->intelScreen->deviceID) {
- case PCI_CHIP_I865_G:
- /* HW bug? Seems to crash if batchbuffer crosses 4k boundary.
- */
- intel->alloc.size = 8 * 1024;
- break;
- default:
- /* This is the smallest amount of memory the kernel deals with.
- * We'd ideally like to make this smaller.
- */
- intel->alloc.size = 1 << intel->intelScreen->logTextureGranularity;
- break;
- }
-
- intel->alloc.ptr = intelAllocateAGP( intel, intel->alloc.size );
- if (intel->alloc.ptr)
- intel->alloc.offset =
- intelAgpOffsetFromVirtual( intel, intel->alloc.ptr );
- else
- intel->alloc.offset = 0; /* OK? */
- }
-
- /* The default is now to use a local buffer and pass that to the
- * kernel. This is also a fallback if allocation fails on the
- * above path:
- */
- if (!intel->alloc.ptr) {
- intel->alloc.size = 8 * 1024;
- intel->alloc.ptr = malloc( intel->alloc.size );
- intel->alloc.offset = 0;
- }
-
- assert(intel->alloc.ptr);
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-05 20:51:54 +0000