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[intel] fix random ut2004 crash on some machine, for cubemap textures,

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image offset is already considered when map, add it again in
        StoreImage may lead to wrong result and crash.
This commit is contained in:
Zou Nan hai
2008-02-25 15:27:47 +08:00
parent 5b6ca237ee
commit 1d14da9a89
1 changed files with 7 additions and 3 deletions
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src/mesa/drivers/dri/intel/intel_mipmap_tree.c
+7 -3
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@@ -375,9 +375,13 @@ intel_miptree_image_map(struct intel_context * intel,
if (row_stride)
*row_stride = mt->pitch * mt->cpp;
if (image_offsets)
memcpy(image_offsets, mt->level[level].image_offset,
mt->level[level].depth * sizeof(GLuint));
if (image_offsets) {
if (mt->target == GL_TEXTURE_CUBE_MAP_ARB)
memset(image_offsets, 0, mt->level[level].depth * sizeof(GLuint));
else
memcpy(image_offsets, mt->level[level].image_offset,
mt->level[level].depth * sizeof(GLuint));
}
return (intel_region_map(intel, mt->region) +
intel_miptree_image_offset(mt, face, level));