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intel: Fix miptree height alignment for compressed NPOT textures.

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This is effectively just "round up when dividing by 4" compared to the
previous code.  Fixes the broken stripe at the top of
fbo-generatemipmap-formats GL_EXT_texture_compression_rgtc.
This commit is contained in:
Eric Anholt
2011-06-09 17:04:12 -07:00
parent 56965aa007
commit b9fbb9df22
1 changed files with 2 additions and 4 deletions
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6
src/mesa/drivers/dri/intel/intel_tex_layout.c
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@@ -97,11 +97,9 @@ void i945_miptree_layout_2d(struct intel_context *intel,
intel_miptree_set_level_info(mt, level, nr_images, x, y, width,
height, 1);
img_height = ALIGN(height, align_h);
if (mt->compressed)
img_height = MAX2(1, height/4);
else
img_height = ALIGN(height, align_h);
img_height /= align_h;
/* Because the images are packed better, the final offset
* might not be the maximal one: