Using glColor3 commands to update materials could result in an undefined

alpha value.  Fixed.

1 files changed, 6 insertions, 4 deletions

diff --git a/src/mesa/tnl/t_vb_light.c b/src/mesa/tnl/t_vb_light.c
index aa420c3c14f..d286129650b 100644
--- a/src/mesa/tnl/t_vb_light.c
+++ b/src/mesa/tnl/t_vb_light.c
@@ -1,8 +1,8 @@
 /*
  * Mesa 3-D graphics library
- * Version:  6.1
+ * Version:  6.3
  *
- * Copyright (C) 1999-2004  Brian Paul   All Rights Reserved.
+ * Copyright (C) 1999-2005  Brian Paul   All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -50,6 +50,7 @@ struct material_cursor {
    const GLfloat *ptr;
    GLuint stride;
    GLfloat *current;
+   GLuint size;  /* 1, 2, 3 or 4 */
 };
 
 struct light_stage_data {
@@ -79,7 +80,7 @@ static void update_materials( GLcontext *ctx,
    GLuint i;
 
    for (i = 0 ; i < store->mat_count ; i++) {
-      COPY_4V(store->mat[i].current, store->mat[i].ptr);
+      COPY_CLEAN_4V(store->mat[i].current, store->mat[i].size, store->mat[i].ptr);
       STRIDE_F(store->mat[i].ptr, store->mat[i].stride);
    }
       
@@ -110,8 +111,9 @@ static GLuint prepare_materials( GLcontext *ctx,
       if (VB->AttribPtr[i]->stride) {
 	 GLuint j = store->mat_count++;
 	 GLuint attr = i - _TNL_ATTRIB_MAT_FRONT_AMBIENT;
-	 store->mat[j].ptr = VB->AttribPtr[i]->start;
+	 store->mat[j].ptr    = VB->AttribPtr[i]->start;
 	 store->mat[j].stride = VB->AttribPtr[i]->stride;
+         store->mat[j].size   = VB->AttribPtr[i]->size;
 	 store->mat[j].current = ctx->Light.Material.Attrib[attr];
 	 store->mat_bitmask |= (1<<attr);
       }