r600: Evergreen has two extra frac_bits for the sampler LOD state.

Note: this is a candidate for the 7.9 branch.

diff --git a/src/mesa/drivers/dri/r600/evergreen_tex.c b/src/mesa/drivers/dri/r600/evergreen_tex.c
index 65b71c80164e5684128319e02ab3bababafbcaa4..d4c2cb96862c0909a357cdee4be37c9b90a6f1da 100644 (file)
--- a/src/mesa/drivers/dri/r600/evergreen_tex.c
+++ b/src/mesa/drivers/dri/r600/evergreen_tex.c
@@ -1024,15 +1024,15 @@ static GLboolean evergreen_setup_hardware_state(struct gl_context * ctx, struct
        SETfield(t->SQ_TEX_RESOURCE5, t->maxLod - t->minLod, LAST_LEVEL_shift, LAST_LEVEL_mask);
     
        SETfield(t->SQ_TEX_SAMPLER1,
-                    EG_S_FIXED(CLAMP(t->base.MinLod - t->minLod, 0, 15), 6),
+                    EG_S_FIXED(CLAMP(t->base.MinLod - t->minLod, 0, 15), 8),
                     EG_SQ_TEX_SAMPLER_WORD1_0__MIN_LOD_shift, 
              EG_SQ_TEX_SAMPLER_WORD1_0__MIN_LOD_mask);
        SETfield(t->SQ_TEX_SAMPLER1,
-                    EG_S_FIXED(CLAMP(t->base.MaxLod - t->minLod, 0, 15), 6),
+                    EG_S_FIXED(CLAMP(t->base.MaxLod - t->minLod, 0, 15), 8),
                     EG_SQ_TEX_SAMPLER_WORD1_0__MAX_LOD_shift, 
              EG_SQ_TEX_SAMPLER_WORD1_0__MAX_LOD_mask);
        SETfield(t->SQ_TEX_SAMPLER2,
-                    EG_S_FIXED(CLAMP(ctx->Texture.Unit[unit].LodBias + t->base.LodBias, -16, 16), 6),
+                    EG_S_FIXED(CLAMP(ctx->Texture.Unit[unit].LodBias + t->base.LodBias, -16, 16), 8),
                     EG_SQ_TEX_SAMPLER_WORD2_0__LOD_BIAS_shift, 
              EG_SQ_TEX_SAMPLER_WORD2_0__LOD_BIAS_mask);