diff options
| author | Brian Paul <brian.paul@tungstengraphics.com> | 2008-04-30 16:05:01 -0600 |
|---|---|---|
| committer | Brian Paul <brian.paul@tungstengraphics.com> | 2008-04-30 16:08:19 -0600 |
| commit | c32477742facd06c22befcd300e9fdfeafb6995b (patch) | |
| tree | 7da75cb3e38145bf796c6cf743413bcd1c994643 /src/mesa/main | |
| parent | 07b551f7cfc02cb16225298414b145b306b360b4 (diff) | |
Add support for GL_REPLACE_EXT texture env mode.
GL_REPLACE_EXT comes from the ancient GL_EXT_texture extension. Found an old demo that
actually uses it.
The values of the GL_REPLACE and GL_REPLACE_EXT tokens is different, unfortunately.
Diffstat (limited to 'src/mesa/main')
| -rw-r--r-- | src/mesa/main/texstate.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/mesa/main/texstate.c b/src/mesa/main/texstate.c index cb7da39b51..84acfbd92c 100644 --- a/src/mesa/main/texstate.c +++ b/src/mesa/main/texstate.c @@ -238,6 +238,9 @@ calculate_derived_texenv( struct gl_tex_env_combine_state *state, return; } + if (mode == GL_REPLACE_EXT) + mode = GL_REPLACE; + switch (mode) { case GL_REPLACE: case GL_MODULATE: @@ -340,7 +343,9 @@ _mesa_TexEnvfv( GLenum target, GLenum pname, const GLfloat *param ) switch (pname) { case GL_TEXTURE_ENV_MODE: { - const GLenum mode = (GLenum) (GLint) *param; + GLenum mode = (GLenum) (GLint) *param; + if (mode == GL_REPLACE_EXT) + mode = GL_REPLACE; if (texUnit->EnvMode == mode) return; if (mode == GL_MODULATE || |