diff options
| author | Xiang, Haihao <[email protected]> | 2007-08-10 16:23:14 +0800 |
|---|---|---|
| committer | Xiang, Haihao <[email protected]> | 2007-08-10 16:23:14 +0800 |
| commit | 8ea66fa2ec9eeb6a7e869ff08d713f5e77d795e0 (patch) | |
| tree | 482afc0367d88d6036448a3279b7230d44912ed9 /src/mesa/drivers/dri/i915tex | |
| parent | 2cafd749b8e4fa44863c176389f7201c7f74eca9 (diff) | |
i965/i915tex: applying right alignment to compressed texture,
which make small textures(4x4,2x2,1x1) work well.
Diffstat (limited to 'src/mesa/drivers/dri/i915tex')
| -rw-r--r-- | src/mesa/drivers/dri/i915tex/intel_mipmap_tree.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/i915tex/intel_mipmap_tree.c b/src/mesa/drivers/dri/i915tex/intel_mipmap_tree.c index 843a78eb82b..fc38a28290d 100644 --- a/src/mesa/drivers/dri/i915tex/intel_mipmap_tree.c +++ b/src/mesa/drivers/dri/i915tex/intel_mipmap_tree.c @@ -325,6 +325,7 @@ intel_miptree_image_data(struct intel_context *intel, } } +extern GLuint intel_compressed_alignment(GLenum); /* Copy mipmap image between trees */ void @@ -342,8 +343,12 @@ intel_miptree_image_copy(struct intel_context *intel, const GLuint *src_depth_offset = intel_miptree_depth_offsets(src, level); GLuint i; - if (dst->compressed) - height /= 4; + if (dst->compressed) { + GLuint alignment = intel_compressed_alignment(dst->internal_format); + height = (height + 3) / 4; + width = ((width + alignment - 1) & ~(alignment - 1)); + } + for (i = 0; i < depth; i++) { intel_region_copy(intel->intelScreen, dst->region, dst_offset + dst_depth_offset[i], |