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intel: Add some defense against buffer allocation failure for subimage blits 

Once more! This time without the unwarranted conversion from
drm_intel_bo_alloc_tiled.

Signed-off-by: [a very embarrassed] Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2011-03-04 15:04:36 +00:00
parent f5a9a0bc22
commit 5eb9f68708
1 changed files with 9 additions and 1 deletions
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10
src/mesa/drivers/dri/intel/intel_tex_subimage.c
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@ -92,6 +92,7 @@ intelTexSubimage(struct gl_context * ctx,
{
unsigned long pitch;
uint32_t tiling_mode = I915_TILING_NONE;
temp_bo = drm_intel_bo_alloc_tiled(intel->bufmgr,
"subimage blit bo",
width, height,
@ -99,7 +100,14 @@ intelTexSubimage(struct gl_context * ctx,
&tiling_mode,
&pitch,
0);
drm_intel_gem_bo_map_gtt(temp_bo);
if (temp_bo == NULL)
return;
if (drm_intel_gem_bo_map_gtt(temp_bo)) {
drm_intel_bo_unreference(temp_bo);
return;
}
texImage->Data = temp_bo->virtual;
texImage->ImageOffsets[0] = 0;
dstRowStride = pitch;