Refugee from Dead Machine 4: MDB Monster

src/gpu/effects/GrMatrixConvolutionEffect.h

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrMatrixConvolutionEffect_DEFINED
 #define GrMatrixConvolutionEffect_DEFINED
 
 #include "GrSingleTextureEffect.h"
 #include "GrInvariantOutput.h"
 #include "GrTextureDomain.h"
 
 // A little bit less than the minimum # uniforms required by DX9SM2 (32).
 // Allows for a 5x5 kernel (or 25x1, for that matter).
 #define MAX_KERNEL_SIZE 25
 
 class GrMatrixConvolutionEffect : public GrSingleTextureEffect {
 public:
     static GrFragmentProcessor* Create(GrTexture* texture,
                                        const SkIRect& bounds,
                                        const SkISize& kernelSize,
                                        const SkScalar* kernel,
                                        SkScalar gain,
                                        SkScalar bias,
                                        const SkIPoint& kernelOffset,
                                        GrTextureDomain::Mode tileMode,
-                                       bool convolveAlpha) {
-        return new GrMatrixConvolutionEffect(texture, bounds, kernelSize, kernel, gain, bias,
-                                             kernelOffset, tileMode, convolveAlpha);
+                                       bool convolveAlpha, GrRenderTarget* dst) {
+        return new GrMatrixConvolutionEffect(texture, bounds, kernelSize, kernel,
+                                             gain, bias, kernelOffset, tileMode, convolveAlpha, dst);
     }
 
     static GrFragmentProcessor* CreateGaussian(GrTexture* texture,
                                                const SkIRect& bounds,
                                                const SkISize& kernelSize,
                                                SkScalar gain,
                                                SkScalar bias,
                                                const SkIPoint& kernelOffset,
                                                GrTextureDomain::Mode tileMode,
                                                bool convolveAlpha,
                                                SkScalar sigmaX,
-                                               SkScalar sigmaY);
+                                               SkScalar sigmaY, GrRenderTarget* dst);
 
     virtual ~GrMatrixConvolutionEffect();
 
     const SkIRect& bounds() const { return fBounds; }
     const SkISize& kernelSize() const { return fKernelSize; }
     const float* kernelOffset() const { return fKernelOffset; }
     const float* kernel() const { return fKernel; }
     float gain() const { return fGain; }
     float bias() const { return fBias; }
     bool convolveAlpha() const { return fConvolveAlpha; }
     const GrTextureDomain& domain() const { return fDomain; }
 
     const char* name() const override { return "MatrixConvolution"; }
 
 private:
     GrMatrixConvolutionEffect(GrTexture*,
                               const SkIRect& bounds,
                               const SkISize& kernelSize,
                               const SkScalar* kernel,
                               SkScalar gain,
                               SkScalar bias,
                               const SkIPoint& kernelOffset,
                               GrTextureDomain::Mode tileMode,
-                              bool convolveAlpha);
+                              bool convolveAlpha, GrRenderTarget* dst);
 
     GrGLFragmentProcessor* onCreateGLInstance() const override;
 
     void onGetGLProcessorKey(const GrGLSLCaps&, GrProcessorKeyBuilder*) const override;
 
     bool onIsEqual(const GrFragmentProcessor&) const override;
 
     void onComputeInvariantOutput(GrInvariantOutput* inout) const override {
         // TODO: Try to do better?
         inout->mulByUnknownFourComponents();
     }
 
     SkIRect         fBounds;
     SkISize         fKernelSize;
     float           fKernel[MAX_KERNEL_SIZE];
     float           fGain;
     float           fBias;
     float           fKernelOffset[2];
     bool            fConvolveAlpha;
     GrTextureDomain fDomain;
 
     GR_DECLARE_FRAGMENT_PROCESSOR_TEST;
 
     typedef GrSingleTextureEffect INHERITED;
 };
 
 #endif