Compute ctx->Color._LogicOpEnabled in one place instead of four places!

1 files changed, 18 insertions, 1 deletions

diff --git a/src/mesa/main/state.c b/src/mesa/main/state.c
index 56b835f537..784757e91f 100644
--- a/src/mesa/main/state.c
+++ b/src/mesa/main/state.c
@@ -1,6 +1,6 @@
 /*
  * Mesa 3-D graphics library
- * Version:  6.5
+ * Version:  6.5.1
  *
  * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
  *
@@ -985,6 +985,20 @@ update_viewport_matrix(GLcontext *ctx)
 }
 
 
+/**
+ * Update derived color/blend/logicop state.
+ */
+static void
+update_color(GLcontext *ctx)
+{
+   /* This is needed to support 1.1's RGB logic ops AND
+    * 1.0's blending logicops.
+    */
+   ctx->Color._LogicOpEnabled = (ctx->Color.ColorLogicOpEnabled ||
+                                 (ctx->Color.BlendEnabled &&
+                                  ctx->Color.BlendEquationRGB == GL_LOGIC_OP));
+}
+
 
 /**
  * If __GLcontextRec::NewState is non-zero then this function \b must be called
@@ -1046,6 +1060,9 @@ _mesa_update_state( GLcontext *ctx )
    if (new_state & (_NEW_BUFFERS | _NEW_VIEWPORT))
       update_viewport_matrix(ctx);
 
+   if (new_state & _NEW_COLOR)
+      update_color( ctx );
+
    if (ctx->_MaintainTexEnvProgram) {
       if (new_state & (_NEW_TEXTURE | _DD_NEW_SEPARATE_SPECULAR | _NEW_FOG))
 	 _mesa_UpdateTexEnvProgram(ctx);