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intel: Fix miptree height alignment for compressed NPOT textures. 

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: