diff options
| author | Brian Paul <brian.paul@tungstengraphics.com> | 2001-02-26 22:07:03 +0000 |
|---|---|---|
| committer | Brian Paul <brian.paul@tungstengraphics.com> | 2001-02-26 22:07:03 +0000 |
| commit | 806e20f463c9b98b945f0095e07642362720256a (patch) | |
| tree | 5d834623e616bf45f730cbed954293ef605f65e9 /src/mesa/main/blend.c | |
| parent | 511378b05d57ee85879197cd3026e5f2571e6edc (diff) | |
fixed extension checking in _mesa_BlendEquation()
Diffstat (limited to 'src/mesa/main/blend.c')
| -rw-r--r-- | src/mesa/main/blend.c | 19 |
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; } |