nv50: add DXTn formats

[mesa.git] / src / gallium / drivers / nv50 / nv50_state.c

diff --git a/src/gallium/drivers/nv50/nv50_state.c b/src/gallium/drivers/nv50/nv50_state.c
index 95f9d408b5e45fc709edad3f6620da00c2d5b510..38c1d938b8e1de022b6ffb09897cafc80def496f 100644 (file)
--- a/src/gallium/drivers/nv50/nv50_state.c
+++ b/src/gallium/drivers/nv50/nv50_state.c
@@ -175,6 +175,32 @@ nv50_sampler_state_create(struct pipe_context *pipe,
                break;
        }
 
+       if (cso->max_anisotropy >= 16.0)
+               tsc[0] |= (7 << 20);
+       else
+       if (cso->max_anisotropy >= 12.0)
+               tsc[0] |= (6 << 20);
+       else
+       if (cso->max_anisotropy >= 10.0)
+               tsc[0] |= (5 << 20);
+       else
+       if (cso->max_anisotropy >= 8.0)
+               tsc[0] |= (4 << 20);
+       else
+       if (cso->max_anisotropy >= 6.0)
+               tsc[0] |= (3 << 20);
+       else
+       if (cso->max_anisotropy >= 4.0)
+               tsc[0] |= (2 << 20);
+       else
+       if (cso->max_anisotropy >= 2.0)
+               tsc[0] |= (1 << 20);
+
+       if (cso->compare_mode == PIPE_TEX_COMPARE_R_TO_TEXTURE) {
+               tsc[0] |= (1 << 8);
+               tsc[0] |= (nvgl_comparison_op(cso->compare_func) & 0x7);
+       }
+
        return (void *)tsc;
 }