Module: Mesa
Branch: master
Commit: f2fd0d63046c41559c5dfca9ebdc5d33c0ae4177
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=f2fd0d63046c41559c5dfca9ebdc5d33c0ae4177

Author: Eric Anholt <e...@anholt.net>
Date:   Mon Jul 11 16:50:06 2011 -0700

i915: Fix NPOT compressed textures on 915.

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.roman...@intel.com>

---

 src/mesa/drivers/dri/i915/i915_tex_layout.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/mesa/drivers/dri/i915/i915_tex_layout.c 
b/src/mesa/drivers/dri/i915/i915_tex_layout.c
index 6e45121..e6a4711 100644
--- a/src/mesa/drivers/dri/i915/i915_tex_layout.c
+++ b/src/mesa/drivers/dri/i915/i915_tex_layout.c
@@ -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;
 

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