Mesa (gallium-mesa-7.4): gallium: when using gl_PointCoord ensure we use the correct attribute.

[Alan Hourihane]

Module: Mesa
Branch: gallium-mesa-7.4
Commit: ab8c0e55b2e3622f6c6c20117f3898cf0166e9dd
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=ab8c0e55b2e3622f6c6c20117f3898cf0166e9dd

Author: Alan Hourihane <alanh at vmware.com>
Date:   Wed Apr  8 16:39:17 2009 +0100

gallium: when using gl_PointCoord ensure we use the correct attribute.

---

 src/mesa/state_tracker/st_program.c |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/mesa/state_tracker/st_program.c b/src/mesa/state_tracker/st_program.c
index 442eeed..0c7c334 100644
--- a/src/mesa/state_tracker/st_program.c
+++ b/src/mesa/state_tracker/st_program.c
@@ -427,11 +427,13 @@ st_translate_fragment_program(struct st_context *st,
             interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
             break;
          case FRAG_ATTRIB_FOGC:
-            if (stfp->Base.UsesPointCoord)
+            if (stfp->Base.UsesPointCoord) {
                stfp->input_semantic_name[slot] = TGSI_SEMANTIC_GENERIC;
-            else
+               stfp->input_semantic_index[slot] = num_generic++;
+            } else {
                stfp->input_semantic_name[slot] = TGSI_SEMANTIC_FOG;
-            stfp->input_semantic_index[slot] = 0;
+               stfp->input_semantic_index[slot] = 0;
+	    }
             interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE;
             break;
          case FRAG_ATTRIB_TEX0: