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authorBrian Paul <brian.paul@tungstengraphics.com>2001-02-26 22:07:03 +0000
committerBrian Paul <brian.paul@tungstengraphics.com>2001-02-26 22:07:03 +0000
commit806e20f463c9b98b945f0095e07642362720256a (patch)
tree5d834623e616bf45f730cbed954293ef605f65e9 /src/mesa
parent511378b05d57ee85879197cd3026e5f2571e6edc (diff)
fixed extension checking in _mesa_BlendEquation()
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/main/blend.c19
1 files changed, 13 insertions, 6 deletions
diff --git a/src/mesa/main/blend.c b/src/mesa/main/blend.c
index ef1ec85c91..7232ae4d18 100644
--- a/src/mesa/main/blend.c
+++ b/src/mesa/main/blend.c
@@ -1,10 +1,10 @@
-/* $Id: blend.c,v 1.27 2000/12/26 05:09:27 keithw Exp $ */
+/* $Id: blend.c,v 1.28 2001/02/26 22:07:03 brianp Exp $ */
/*
* Mesa 3-D graphics library
* Version: 3.5
*
- * Copyright (C) 1999-2000 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2001 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"),
@@ -25,7 +25,6 @@
*/
-
#ifdef PC_HEADER
#include "all.h"
#else
@@ -272,18 +271,26 @@ _mesa_BlendEquation( GLenum mode )
gl_lookup_enum_by_nr(mode));
switch (mode) {
+ case GL_FUNC_ADD_EXT:
+ break;
case GL_MIN_EXT:
case GL_MAX_EXT:
- case GL_FUNC_ADD_EXT:
- if (!ctx->Extensions.EXT_blend_minmax) {
+ if (!ctx->Extensions.EXT_blend_minmax &&
+ !ctx->Extensions.ARB_imaging) {
gl_error(ctx, GL_INVALID_ENUM, "glBlendEquation");
return;
}
+ break;
case GL_LOGIC_OP:
+ if (!ctx->Extensions.EXT_blend_logic_op) {
+ gl_error(ctx, GL_INVALID_ENUM, "glBlendEquation");
+ return;
+ }
break;
case GL_FUNC_SUBTRACT_EXT:
case GL_FUNC_REVERSE_SUBTRACT_EXT:
- if (!ctx->Extensions.EXT_blend_subtract) {
+ if (!ctx->Extensions.EXT_blend_subtract &&
+ !ctx->Extensions.ARB_imaging) {
gl_error(ctx, GL_INVALID_ENUM, "glBlendEquation");
return;
}