Move GrXferProcessor subclasses into cpp files

src/effects/SkArithmeticMode_gpu.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkArithmeticMode_gpu_DEFINED
 #define SkArithmeticMode_gpu_DEFINED
 
@@ skipping 53 matching lines @@
     GrTextureAccess             fBackgroundAccess;
 
     GR_DECLARE_FRAGMENT_PROCESSOR_TEST;
     typedef GrFragmentProcessor INHERITED;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 // Xfer Processor
 ///////////////////////////////////////////////////////////////////////////////
 
-class GrArithmeticXP : public GrXferProcessor {
-public:
-    static GrXferProcessor* Create(float k1, float k2, float k3, float k4, bool enforcePMColor,
-                                         const GrDeviceCoordTexture* dstCopy,
-                                         bool willReadDstColor) {
-        return SkNEW_ARGS(GrArithmeticXP, (k1, k2, k3, k4, enforcePMColor, dstCopy,
-                                           willReadDstColor));
-    }
-
-    ~GrArithmeticXP() SK_OVERRIDE {};
-
-    const char* name() const SK_OVERRIDE { return "Arithmetic"; }
-
-    GrGLXferProcessor* createGLInstance() const SK_OVERRIDE;
-
-    bool hasSecondaryOutput() const SK_OVERRIDE { return false; }
-
-    GrXferProcessor::OptFlags getOptimizations(const GrProcOptInfo& colorPOI,
-                                               const GrProcOptInfo& coveragePOI,
-                                               bool doesStencilWrite,
-                                               GrColor* overrideColor,
-                                               const GrDrawTargetCaps& caps) SK_OVERRIDE;
-
-    void getBlendInfo(GrXferProcessor::BlendInfo* blendInfo) const SK_OVERRIDE {
-        blendInfo->fSrcBlend = kOne_GrBlendCoeff;
-        blendInfo->fDstBlend = kZero_GrBlendCoeff;
-        blendInfo->fBlendConstant = 0;
-    }
-
-    float k1() const { return fK1; }
-    float k2() const { return fK2; }
-    float k3() const { return fK3; }
-    float k4() const { return fK4; }
-    bool enforcePMColor() const { return fEnforcePMColor; }
-
-private:
-    GrArithmeticXP(float k1, float k2, float k3, float k4, bool enforcePMColor,
-                   const GrDeviceCoordTexture* dstCopy, bool willReadDstColor);
-
-    void onGetGLProcessorKey(const GrGLCaps& caps, GrProcessorKeyBuilder* b) const SK_OVERRIDE;
-
-    bool onIsEqual(const GrXferProcessor& xpBase) const SK_OVERRIDE {
-        const GrArithmeticXP& xp = xpBase.cast<GrArithmeticXP>();
-        if (fK1 != xp.fK1 ||
-            fK2 != xp.fK2 ||
-            fK3 != xp.fK3 ||
-            fK4 != xp.fK4 ||
-            fEnforcePMColor != xp.fEnforcePMColor) {
-            return false;
-        }
-        return true;
-    }
-
-    float                       fK1, fK2, fK3, fK4;
-    bool                        fEnforcePMColor;
-
-    typedef GrXferProcessor INHERITED;
-};
-
-///////////////////////////////////////////////////////////////////////////////
-
 class GrArithmeticXPFactory : public GrXPFactory {
 public:
     static GrXPFactory* Create(float k1, float k2, float k3, float k4, bool enforcePMColor) {
         return SkNEW_ARGS(GrArithmeticXPFactory, (k1, k2, k3, k4, enforcePMColor));
     }
 
     bool supportsRGBCoverage(GrColor knownColor, uint32_t knownColorFlags) const SK_OVERRIDE {
         return true;
     }
 
     bool canApplyCoverage(const GrProcOptInfo& colorPOI,
                           const GrProcOptInfo& coveragePOI) const SK_OVERRIDE {
         return true;
     }
 
     bool canTweakAlphaForCoverage() const SK_OVERRIDE {
         return false;
     }
 
     void getInvariantOutput(const GrProcOptInfo& colorPOI, const GrProcOptInfo& coveragePOI,
                             GrXPFactory::InvariantOutput*) const SK_OVERRIDE;
 
 private:
     GrArithmeticXPFactory(float k1, float k2, float k3, float k4, bool enforcePMColor); 
 
     GrXferProcessor* onCreateXferProcessor(const GrProcOptInfo& colorPOI,
                                            const GrProcOptInfo& coveragePOI,
-                                           const GrDeviceCoordTexture* dstCopy) const SK_OVERRIDE {
-        return GrArithmeticXP::Create(fK1, fK2, fK3, fK4, fEnforcePMColor, dstCopy,
-                                      this->willReadDstColor());
-    }
+                                           const GrDeviceCoordTexture* dstCopy) const SK_OVERRIDE; 
 
     bool willReadDstColor() const SK_OVERRIDE { return true; }
 
     bool onIsEqual(const GrXPFactory& xpfBase) const SK_OVERRIDE {
         const GrArithmeticXPFactory& xpf = xpfBase.cast<GrArithmeticXPFactory>();
         if (fK1 != xpf.fK1 ||
             fK2 != xpf.fK2 ||
             fK3 != xpf.fK3 ||
             fK4 != xpf.fK4 ||
             fEnforcePMColor != xpf.fEnforcePMColor) {
             return false;
         }
         return true;
     }
 
     GR_DECLARE_XP_FACTORY_TEST;
 
     float                       fK1, fK2, fK3, fK4;
     bool                        fEnforcePMColor;
 
     typedef GrXPFactory INHERITED;
 };
 
 #endif
 #endif