Implement color filter as GrGLEffect

src/gpu/GrContext.cpp

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "GrContext.h"
@@ skipping 1597 matching lines @@
     return true;
 }
 ////////////////////////////////////////////////////////////////////////////////
 
 GrDrawTarget* GrContext::prepareToDraw(const GrPaint* paint,
                                        BufferedDraw buffered,
                                        AutoRestoreEffects* are,
                                        AutoCheckFlush* acf) {
     // All users of this draw state should be freeing up all effects when they're done.
     // Otherwise effects that own resources may keep those resources alive indefinitely.
-    SkASSERT(0 == fDrawState->numColorStages() && 0 == fDrawState->numCoverageStages());
+    SkASSERT(0 == fDrawState->totalStageCount());
 
     if (kNo_BufferedDraw == buffered && kYes_BufferedDraw == fLastDrawWasBuffered) {
         fDrawBuffer->flush();
         fLastDrawWasBuffered = kNo_BufferedDraw;
     }
     ASSERT_OWNED_RESOURCE(fRenderTarget.get());
     if (NULL != paint) {
         SkASSERT(NULL != are);
         SkASSERT(NULL != acf);
         are->set(fDrawState);
@@ skipping 143 matching lines @@
         return NULL;
     }
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 #if GR_CACHE_STATS
 void GrContext::printCacheStats() const {
     fTextureCache->printStats();
 }
 #endif