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i915: Some additional blit fixes and assertions.

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This commit is contained in:
Michel Dänzer 2007-11-09 18:46:55 +01:00
parent 42108629e8
commit 63e6bfe8db
1 changed files with 24 additions and 8 deletions
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32
src/mesa/drivers/dri/intel/intel_blit.c
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@ -122,8 +122,8 @@ intelCopyBuffer(const __DRIdrawablePrivate * dPriv,
for (i = 0; i < nbox; i++, pbox++) {
drm_clip_rect_t box;
if (pbox->x1 > pbox->x2 ||
pbox->y1 > pbox->y2 ||
if (pbox->x1 >= pbox->x2 ||
pbox->y1 >= pbox->y2 ||
pbox->x2 > intelScreen->width || pbox->y2 > intelScreen->height)
continue;
@ -139,19 +139,22 @@ intelCopyBuffer(const __DRIdrawablePrivate * dPriv,
if (rect->y2 < box.y2)
box.y2 = rect->y2;
if (box.x1 > box.x2 || box.y1 > box.y2)
if (box.x1 >= box.x2 || box.y1 >= box.y2)
continue;
}
assert(box.x1 < box.x2);
assert(box.y1 < box.y2);
BEGIN_BATCH(8, INTEL_BATCH_NO_CLIPRECTS);
OUT_BATCH(CMD);
OUT_BATCH(BR13 | dst_pitch);
OUT_BATCH((pbox->y1 << 16) | pbox->x1);
OUT_BATCH((pbox->y2 << 16) | pbox->x2);
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,
0);
OUT_BATCH((pbox->y1 << 16) | pbox->x1);
OUT_BATCH((box.y1 << 16) | box.x1);
OUT_BATCH(src_pitch);
OUT_RELOC(backRegion->buffer, DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_READ,
0);
@ -163,7 +166,8 @@ intelCopyBuffer(const __DRIdrawablePrivate * dPriv,
dri_fence_unreference(intel->first_swap_fence);
intel_batchbuffer_flush(intel->batch);
intel->first_swap_fence = intel->batch->last_fence;
dri_fence_reference(intel->first_swap_fence);
if (intel->first_swap_fence)
dri_fence_reference(intel->first_swap_fence);
}
UNLOCK_HARDWARE(intel);
@ -210,6 +214,8 @@ intelEmitFillBlit(struct intel_context *intel,
DBG("%s dst:buf(%p)/%d+%d %d,%d sz:%dx%d\n",
__FUNCTION__, dst_buffer, dst_pitch, dst_offset, x, y, w, h);
assert(w > 0);
assert(h > 0);
BEGIN_BATCH(6, INTEL_BATCH_NO_CLIPRECTS);
OUT_BATCH(CMD);
@ -306,10 +312,11 @@ intelEmitCopyBlit(struct intel_context *intel,
}
#endif
if (dst_y2 < dst_y || dst_x2 < dst_x) {
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.
*
@ -318,6 +325,9 @@ intelEmitCopyBlit(struct intel_context *intel,
* the wrong result.
*/
if (dst_pitch > 0 && src_pitch > 0) {
assert(dst_x < dst_x2);
assert(dst_y < dst_y2);
BEGIN_BATCH(8, INTEL_BATCH_NO_CLIPRECTS);
OUT_BATCH(CMD);
OUT_BATCH(BR13 | dst_pitch);
@ -330,6 +340,9 @@ intelEmitCopyBlit(struct intel_context *intel,
ADVANCE_BATCH();
}
else {
assert(dst_x < dst_x2);
assert(h > 0);
BEGIN_BATCH(8, INTEL_BATCH_NO_CLIPRECTS);
OUT_BATCH(CMD);
OUT_BATCH(BR13 | dst_pitch);
@ -508,6 +521,9 @@ intelClearWithBlit(GLcontext * ctx, GLbitfield mask)
*/
intel_wait_flips(intel, INTEL_BATCH_NO_CLIPRECTS);
assert(b.x1 < b.x2);
assert(b.y1 < b.y2);
BEGIN_BATCH(6, INTEL_BATCH_NO_CLIPRECTS);
OUT_BATCH(CMD);
OUT_BATCH(BR13);