st/mesa: apply DepthMode swizzle to stencil texturing as well

Gallium doesn't present these as GL_RED-style. A swizzle is necessary to
present the proper data in the unused components.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>

diff --git a/src/mesa/state_tracker/st_atom_texture.c b/src/mesa/state_tracker/st_atom_texture.c
index b4e6f9b639adf49225e6d01ca445f0129847ca12..ab4b2a9ef5f2a9df072049a5842b8ec936e8e453 100644 (file)
--- a/src/mesa/state_tracker/st_atom_texture.c
+++ b/src/mesa/state_tracker/st_atom_texture.c
@@ -147,9 +147,7 @@ compute_texture_format_swizzle(GLenum baseFormat, GLenum depthMode,
       else
          return SWIZZLE_XYZW;
    case GL_STENCIL_INDEX:
-      return SWIZZLE_XYZW;
    case GL_DEPTH_STENCIL:
-      /* fall-through */
    case GL_DEPTH_COMPONENT:
       /* Now examine the depth mode */
       switch (depthMode) {