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

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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2011-03-04 15:04:36 +00:00
parent f627d429bd
commit de7678ef52
1 changed files with 11 additions and 11 deletions
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22
src/mesa/drivers/dri/intel/intel_tex_subimage.c
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@ -90,19 +90,19 @@ intelTexSubimage(struct gl_context * ctx,
intel->gen < 6 && target == GL_TEXTURE_2D &&
drm_intel_bo_busy(dst_bo))
{
unsigned long pitch;
uint32_t tiling_mode = I915_TILING_NONE;
temp_bo = drm_intel_bo_alloc_tiled(intel->bufmgr,
"subimage blit bo",
width, height,
intelImage->mt->cpp,
&tiling_mode,
&pitch,
0);
drm_intel_gem_bo_map_gtt(temp_bo);
dstRowStride = width * intelImage->mt->cpp;
temp_bo = drm_intel_bo_alloc(intel->bufmgr, "subimage blit bo",
dstRowStride * height, 0);
if (!temp_bo)
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;
intel_miptree_get_image_offset(intelImage->mt, level,
intelImage->face, 0,