Test implementation of proposed GL_EXT_shadow_funcs extension. This just

generalizes the R/texture comparision operators to include all eight of
the depth test comparisons.

1 files changed, 11 insertions, 1 deletions

diff --git a/src/mesa/main/texstate.c b/src/mesa/main/texstate.c
index 373cfdcce2f..3eadc53e735 100644
--- a/src/mesa/main/texstate.c
+++ b/src/mesa/main/texstate.c
@@ -1,4 +1,4 @@
-/* $Id: texstate.c,v 1.65 2002/03/23 01:48:18 brianp Exp $ */
+/* $Id: texstate.c,v 1.66 2002/03/23 16:33:53 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -1125,6 +1125,16 @@ _mesa_TexParameterfv( GLenum target, GLenum pname, const GLfloat *params )
                FLUSH_VERTICES(ctx, _NEW_TEXTURE);
                texObj->CompareFunc = params[0];
             }
+            else if (ctx->Extensions.EXT_shadow_funcs &&
+                     (func == GL_EQUAL ||
+                      func == GL_NOTEQUAL ||
+                      func == GL_LESS ||
+                      func == GL_GREATER ||
+                      func == GL_ALWAYS ||
+                      func == GL_NEVER)) {
+               FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+               texObj->CompareFunc = params[0];
+            }
             else {
                _mesa_error(ctx, GL_INVALID_ENUM,
                            "glTexParameter(bad GL_TEXTURE_COMPARE_FUNC_ARB)");