compiler/glsl: explicitly store NumUniformBlocks

[mesa.git] / src / mesa / main / fog.c

diff --git a/src/mesa/main/fog.c b/src/mesa/main/fog.c
index 1ad939cfde6ccd953647aee237ac025b3c65ff05..0decf762a999ac71d6856f5bd138574b18d56e24 100644 (file)
--- a/src/mesa/main/fog.c
+++ b/src/mesa/main/fog.c
@@ -62,6 +62,7 @@ _mesa_Fogiv(GLenum pname, const GLint *params )
       case GL_FOG_END:
       case GL_FOG_INDEX:
       case GL_FOG_COORDINATE_SOURCE_EXT:
+      case GL_FOG_DISTANCE_MODE_NV:
         p[0] = (GLfloat) *params;
         break;
       case GL_FOG_COLOR:
@@ -78,19 +79,6 @@ _mesa_Fogiv(GLenum pname, const GLint *params )
 }
 
 
-/**
- * Update the gl_fog_attrib::_Scale field.
- */
-static void
-update_fog_scale(struct gl_context *ctx)
-{
-   if (ctx->Fog.End == ctx->Fog.Start)
-      ctx->Fog._Scale = 1.0f;
-   else
-      ctx->Fog._Scale = 1.0f / (ctx->Fog.End - ctx->Fog.Start);
-}
-
-
 void GLAPIENTRY
 _mesa_Fogfv( GLenum pname, const GLfloat *params )
 {
@@ -102,8 +90,13 @@ _mesa_Fogfv( GLenum pname, const GLfloat *params )
          m = (GLenum) (GLint) *params;
         switch (m) {
         case GL_LINEAR:
+           ctx->Fog._PackedMode = FOG_LINEAR;
+           break;
         case GL_EXP:
+           ctx->Fog._PackedMode = FOG_EXP;
+           break;
         case GL_EXP2:
+           ctx->Fog._PackedMode = FOG_EXP2;
            break;
         default:
            _mesa_error( ctx, GL_INVALID_ENUM, "glFog" );
@@ -113,6 +106,8 @@ _mesa_Fogfv( GLenum pname, const GLfloat *params )
            return;
         FLUSH_VERTICES(ctx, _NEW_FOG);
         ctx->Fog.Mode = m;
+        ctx->Fog._PackedEnabledMode = ctx->Fog.Enabled ?
+                                      ctx->Fog._PackedMode : FOG_NONE;
         break;
       case GL_FOG_DENSITY:
         if (*params<0.0F) {
@@ -129,14 +124,12 @@ _mesa_Fogfv( GLenum pname, const GLfloat *params )
             return;
          FLUSH_VERTICES(ctx, _NEW_FOG);
          ctx->Fog.Start = *params;
-         update_fog_scale(ctx);
          break;
       case GL_FOG_END:
          if (ctx->Fog.End == *params)
             return;
          FLUSH_VERTICES(ctx, _NEW_FOG);
          ctx->Fog.End = *params;
-         update_fog_scale(ctx);
          break;
       case GL_FOG_INDEX:
          if (ctx->API != API_OPENGL_COMPAT)
@@ -210,6 +203,8 @@ void _mesa_init_fog( struct gl_context * ctx )
    /* Fog group */
    ctx->Fog.Enabled = GL_FALSE;
    ctx->Fog.Mode = GL_EXP;
+   ctx->Fog._PackedMode = FOG_EXP;
+   ctx->Fog._PackedEnabledMode = FOG_NONE;
    ASSIGN_4V( ctx->Fog.Color, 0.0, 0.0, 0.0, 0.0 );
    ASSIGN_4V( ctx->Fog.ColorUnclamped, 0.0, 0.0, 0.0, 0.0 );
    ctx->Fog.Index = 0.0;
@@ -218,6 +213,5 @@ void _mesa_init_fog( struct gl_context * ctx )
    ctx->Fog.End = 1.0;
    ctx->Fog.ColorSumEnabled = GL_FALSE;
    ctx->Fog.FogCoordinateSource = GL_FRAGMENT_DEPTH_EXT;
-   ctx->Fog._Scale = 1.0f;
    ctx->Fog.FogDistanceMode = GL_EYE_PLANE_ABSOLUTE_NV;
 }