[965] Fix the type of alpha_ref in CC key, fixing ppracer rendering.

diff --git a/src/mesa/drivers/dri/i965/brw_cc.c b/src/mesa/drivers/dri/i965/brw_cc.c
index 80aaebd..55be8b9 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_cc.c
+++ b/src/mesa/drivers/dri/i965/brw_cc.c
@@ -72,7 +72,7 @@ struct brw_cc_unit_key {
    GLenum blend_dst_rgb, blend_dst_a;
 
    GLenum alpha_func;
-   GLubyte alpha_ref;
+   GLclampf alpha_ref;
 
    GLboolean dither;