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path: root/src/mesa/swrast/s_context.c
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Diffstat (limited to 'src/mesa/swrast/s_context.c')
-rw-r--r--src/mesa/swrast/s_context.c25
1 files changed, 14 insertions, 11 deletions
diff --git a/src/mesa/swrast/s_context.c b/src/mesa/swrast/s_context.c
index 87d4bf8cdf..e9755e9199 100644
--- a/src/mesa/swrast/s_context.c
+++ b/src/mesa/swrast/s_context.c
@@ -196,19 +196,22 @@ _swrast_update_fog_state( GLcontext *ctx )
CLAMPED_FLOAT_TO_CHAN(swrast->_FogColor[GCOMP], ctx->Fog.Color[GCOMP]);
CLAMPED_FLOAT_TO_CHAN(swrast->_FogColor[BCOMP], ctx->Fog.Color[BCOMP]);
- /* determine if fog is needed */
+ /* determine if fog is needed, and if so, which fog mode */
swrast->_FogEnabled = GL_FALSE;
- if (ctx->Fog.Enabled) {
- swrast->_FogEnabled = GL_TRUE;
- }
- else if (ctx->FragmentProgram._Enabled &&
- ctx->FragmentProgram.Current->Base.Target == GL_FRAGMENT_PROGRAM_ARB) {
- const struct fragment_program *p;
- p = (struct fragment_program *) ctx->FragmentProgram.Current;
- if (p->FogOption != GL_NONE) {
- swrast->_FogEnabled = GL_TRUE;
+ if (ctx->FragmentProgram._Enabled) {
+ if (ctx->FragmentProgram.Current->Base.Target==GL_FRAGMENT_PROGRAM_ARB) {
+ const struct fragment_program *p
+ = (struct fragment_program *) ctx->FragmentProgram.Current;
+ if (p->FogOption != GL_NONE) {
+ swrast->_FogEnabled = GL_TRUE;
+ swrast->_FogMode = p->FogOption;
+ }
}
}
+ else if (ctx->Fog.Enabled) {
+ swrast->_FogEnabled = GL_TRUE;
+ swrast->_FogMode = ctx->Fog.Mode;
+ }
}
@@ -480,7 +483,7 @@ _swrast_validate_derived( GLcontext *ctx )
if (swrast->NewState & _SWRAST_NEW_TEXTURE_ENV_MODE)
_swrast_update_texture_env( ctx );
- if (swrast->NewState & _NEW_FOG)
+ if (swrast->NewState & (_NEW_FOG | _NEW_PROGRAM))
_swrast_update_fog_state( ctx );
if (swrast->NewState & _NEW_PROGRAM)