st/nine: Fix Swizzle for ATI2 format

We had red and green in the wrong channels
for the ATI2 format (RGTC2).

Found thanks to wine tests.

Signed-off-by: Axel Davy <axel.davy@ens.fr>
Reviewed-by: David Heidelberg <david@ixit.cz>

diff --git a/src/gallium/state_trackers/nine/basetexture9.c b/src/gallium/state_trackers/nine/basetexture9.c
index 17a8f448ee6e9e7e2e5a52c5f41cae741b5f34ce..eabf32bd68a9383faf50ef366258b62800ae75a9 100644 (file)
--- a/src/gallium/state_trackers/nine/basetexture9.c
+++ b/src/gallium/state_trackers/nine/basetexture9.c
@@ -530,6 +530,11 @@ NineBaseTexture9_UpdateSamplerView( struct NineBaseTexture9 *This,
             swizzle[2] = PIPE_SWIZZLE_RED;
             swizzle[3] = PIPE_SWIZZLE_RED;
         }
+    } else if (resource->format == PIPE_FORMAT_RGTC2_UNORM) {
+        swizzle[0] = PIPE_SWIZZLE_GREEN;
+        swizzle[1] = PIPE_SWIZZLE_RED;
+        swizzle[2] = PIPE_SWIZZLE_ONE;
+        swizzle[3] = PIPE_SWIZZLE_ONE;
     } else if (resource->format != PIPE_FORMAT_A8_UNORM &&
                resource->format != PIPE_FORMAT_RGTC1_UNORM) {
         /* exceptions: