tgsi: fix the location of sample index

The sample index is always in W.

Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>

diff --git a/src/gallium/auxiliary/tgsi/tgsi_util.c b/src/gallium/auxiliary/tgsi/tgsi_util.c
index 39b605b..b3bc8f2 100644 (file)
--- a/src/gallium/auxiliary/tgsi/tgsi_util.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_util.c
@@ -444,9 +444,11 @@ tgsi_util_get_texture_coord_dim(int tgsi_tex, int *shadow_or_sample)
       case TGSI_TEXTURE_SHADOW1D_ARRAY:
       case TGSI_TEXTURE_SHADOW2D_ARRAY:
       case TGSI_TEXTURE_SHADOWCUBE_ARRAY:
+         *shadow_or_sample = dim;
+         break;
       case TGSI_TEXTURE_2D_MSAA:
       case TGSI_TEXTURE_2D_ARRAY_MSAA:
-         *shadow_or_sample = dim;
+         *shadow_or_sample = 3;
          break;
       default:
          /* no shadow nor sample */