mesa: new _mesa_valid_to_render() function

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

diff --git a/src/mesa/main/texenvprogram.c b/src/mesa/main/texenvprogram.c
index a3f1246c98596f7f11b3333c23b346e79a4a0d0a..3736138b9ed8b6f911163f1adc59a133b3410fa8 100644 (file)
--- a/src/mesa/main/texenvprogram.c
+++ b/src/mesa/main/texenvprogram.c
@@ -62,6 +62,18 @@ struct texenvprog_cache_item
    struct texenvprog_cache_item *next;
 };
 
+static GLboolean
+texenv_doing_secondary_color(GLcontext *ctx)
+{
+   if (ctx->Light.Enabled &&
+       (ctx->Light.Model.ColorControl == GL_SEPARATE_SPECULAR_COLOR))
+      return GL_TRUE;
+
+   if (ctx->Fog.ColorSumEnabled)
+      return GL_TRUE;
+
+   return GL_FALSE;
+}
 
 /**
  * Up to nine instructions per tex unit, plus fog, specular color.
@@ -263,6 +275,7 @@ static GLbitfield get_fp_input_mask( GLcontext *ctx )
 {
    /* _NEW_PROGRAM */
    const GLboolean vertexShader = (ctx->Shader.CurrentProgram &&
+                                  ctx->Shader.CurrentProgram->LinkStatus &&
                                    ctx->Shader.CurrentProgram->VertexProgram);
    const GLboolean vertexProgram = ctx->VertexProgram._Enabled;
    GLbitfield fp_inputs = 0x0;
@@ -298,7 +311,7 @@ static GLbitfield get_fp_input_mask( GLcontext *ctx )
       if (ctx->Light.Enabled) {
          fp_inputs |= FRAG_BIT_COL0;
 
-         if (ctx->_TriangleCaps & DD_SEPARATE_SPECULAR)
+         if (texenv_doing_secondary_color(ctx))
             fp_inputs |= FRAG_BIT_COL1;
       }
 
@@ -309,8 +322,10 @@ static GLbitfield get_fp_input_mask( GLcontext *ctx )
       /* Then look at what might be varying as a result of enabled
        * arrays, etc:
        */
-      if (varying_inputs & VERT_BIT_COLOR0) fp_inputs |= FRAG_BIT_COL0;
-      if (varying_inputs & VERT_BIT_COLOR1) fp_inputs |= FRAG_BIT_COL1;
+      if (varying_inputs & VERT_BIT_COLOR0)
+         fp_inputs |= FRAG_BIT_COL0;
+      if (varying_inputs & VERT_BIT_COLOR1)
+         fp_inputs |= FRAG_BIT_COL1;
 
       fp_inputs |= (((varying_inputs & VERT_BIT_TEX_ANY) >> VERT_ATTRIB_TEX0) 
                     << FRAG_ATTRIB_TEX0);
@@ -328,7 +343,7 @@ static GLbitfield get_fp_input_mask( GLcontext *ctx )
       if (vertexShader)
          vprog = ctx->Shader.CurrentProgram->VertexProgram;
       else
-         vprog = ctx->VertexProgram._Current;
+         vprog = ctx->VertexProgram.Current;
 
       vp_outputs = vprog->Base.OutputsWritten;
 
@@ -339,8 +354,10 @@ static GLbitfield get_fp_input_mask( GLcontext *ctx )
       if (ctx->Point.PointSprite)
          vp_outputs |= FRAG_BITS_TEX_ANY;
 
-      if (vp_outputs & (1 << VERT_RESULT_COL0)) fp_inputs |= FRAG_BIT_COL0;
-      if (vp_outputs & (1 << VERT_RESULT_COL1)) fp_inputs |= FRAG_BIT_COL1;
+      if (vp_outputs & (1 << VERT_RESULT_COL0))
+         fp_inputs |= FRAG_BIT_COL0;
+      if (vp_outputs & (1 << VERT_RESULT_COL1))
+         fp_inputs |= FRAG_BIT_COL1;
 
       fp_inputs |= (((vp_outputs & VERT_RESULT_TEX_ANY) >> VERT_RESULT_TEX0) 
                     << FRAG_ATTRIB_TEX0);
@@ -416,8 +433,8 @@ static void make_state_key( GLcontext *ctx,  struct state_key *key )
        }
    }
 
-   /* _DD_NEW_SEPARATE_SPECULAR */
-   if (ctx->_TriangleCaps & DD_SEPARATE_SPECULAR) {
+   /* _NEW_LIGHT | _NEW_FOG */
+   if (texenv_doing_secondary_color(ctx)) {
       key->separate_specular = 1;
       inputs_referenced |= FRAG_BIT_COL1;
    }