Use SkXfermode as public facing enum for GrPorterDuffXP

include/gpu/GrPaint.h

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #ifndef GrPaint_DEFINED
 #define GrPaint_DEFINED
 
 #include "GrColor.h"
 #include "GrFragmentStage.h"
 #include "GrXferProcessor.h"
 #include "effects/GrPorterDuffXferProcessor.h"
 
+#include "SkRegion.h"
 #include "SkXfermode.h"
 
 /**
  * The paint describes how color and coverage are computed at each pixel by GrContext draw
  * functions and the how color is blended with the destination pixel.
  *
  * The paint allows installation of custom color and coverage stages. New types of stages are
  * created by subclassing GrProcessor.
  *
  * The primitive color computation starts with the color specified by setColor(). This color is the
@@ skipping 35 matching lines @@
 
     const GrXPFactory* setXPFactory(const GrXPFactory* xpFactory) {
         fXPFactory.reset(SkRef(xpFactory));
         return xpFactory;
     }
 
     void setPorterDuffXPFactory(SkXfermode::Mode mode) {
         fXPFactory.reset(GrPorterDuffXPFactory::Create(mode));
     }
 
-    void setPorterDuffXPFactory(GrBlendCoeff src, GrBlendCoeff dst) {
-        fXPFactory.reset(GrPorterDuffXPFactory::Create(src, dst));
-    }
+    void setCoverageSetOpXPFactory(SkRegion::Op regionOp, bool invertCoverage = false); 
 
     /**
      * Appends an additional color processor to the color computation.
      */
     const GrFragmentProcessor* addColorProcessor(const GrFragmentProcessor* fp) {
         SkASSERT(fp);
         SkNEW_APPEND_TO_TARRAY(&fColorStages, GrFragmentStage, (fp));
         return fp;
     }
 
@@ skipping 54 matching lines @@
     SkSTArray<4, GrFragmentStage>   fColorStages;
     SkSTArray<2, GrFragmentStage>   fCoverageStages;
 
     bool                            fAntiAlias;
     bool                            fDither;
 
     GrColor                         fColor;
 };
 
 #endif