gallium/radeon: fix maximum texture anisotropy setup

We were overdoing it for non-power-of-two values.

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>

diff --git a/src/gallium/drivers/radeon/r600_pipe_common.h b/src/gallium/drivers/radeon/r600_pipe_common.h
index cb8a34bf4ec222ef4b2868efde860f7288885232..85c4ec0d6e6b23637f9a092d4991402f9382beaf 100644 (file)
--- a/src/gallium/drivers/radeon/r600_pipe_common.h
+++ b/src/gallium/drivers/radeon/r600_pipe_common.h
@@ -644,11 +644,15 @@ static inline bool r600_get_strmout_en(struct r600_common_context *rctx)
 
 static inline unsigned r600_tex_aniso_filter(unsigned filter)
 {
-       if (filter <= 1)   return 0;
-       if (filter <= 2)   return 1;
-       if (filter <= 4)   return 2;
-       if (filter <= 8)   return 3;
-        /* else */        return 4;
+       if (filter < 2)
+               return 0;
+       if (filter < 4)
+               return 1;
+       if (filter < 8)
+               return 2;
+       if (filter < 16)
+               return 3;
+       return 4;
 }
 
 static inline unsigned r600_wavefront_size(enum radeon_family family)