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i915: Fix NPOT compressed textures on 915.

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We were failing at rounding, misplacing the non-baselevels.  Fixes:
3DFX_texture_compression_FXT1/fbo-generate-mipmaps
ARB_texture_compression/fbo-generate-mipmaps
EXT_texture_compression_s3tc/fbo-generate-mipmaps

Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
(cherry picked from commit f2fd0d6304)
This commit is contained in:
Eric Anholt 2011-07-11 16:50:06 -07:00
parent b8f722a82e
commit 9279c1e556
1 changed files with 2 additions and 2 deletions
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4
src/mesa/drivers/dri/i915/i915_tex_layout.c
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@ -219,9 +219,9 @@ i915_miptree_layout_2d(struct intel_context *intel,
width, height, 1);
if (mt->compressed)
img_height = MAX2(1, height / 4);
img_height = ALIGN(height, 4) / 4;
else
img_height = (MAX2(2, height) + 1) & ~1;
img_height = ALIGN(height, 2);
mt->total_height += img_height;