| OLD | NEW |
| 1 /* | 1 /* |
| 2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 Google Inc. |
| 3 * | 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
| 6 */ | 6 */ |
| 7 | 7 |
| 8 #ifndef GrMatrixConvolutionEffect_DEFINED | 8 #ifndef GrMatrixConvolutionEffect_DEFINED |
| 9 #define GrMatrixConvolutionEffect_DEFINED | 9 #define GrMatrixConvolutionEffect_DEFINED |
| 10 | 10 |
| 11 #include "GrSingleTextureEffect.h" | 11 #include "GrSingleTextureEffect.h" |
| 12 #include "GrTextureDomain.h" | 12 #include "GrTextureDomain.h" |
| 13 | 13 |
| 14 // A little bit less than the minimum # uniforms required by DX9SM2 (32). | 14 // A little bit less than the minimum # uniforms required by DX9SM2 (32). |
| 15 // Allows for a 5x5 kernel (or 25x1, for that matter). | 15 // Allows for a 5x5 kernel (or 25x1, for that matter). |
| 16 #define MAX_KERNEL_SIZE 25 | 16 #define MAX_KERNEL_SIZE 25 |
| 17 | 17 |
| 18 class GrGLMatrixConvolutionEffect; | 18 class GrGLMatrixConvolutionEffect; |
| 19 | 19 |
| 20 class GrMatrixConvolutionEffect : public GrSingleTextureEffect { | 20 class GrMatrixConvolutionEffect : public GrSingleTextureEffect { |
| 21 public: | 21 public: |
| 22 static GrEffect* Create(GrTexture* texture, | 22 static GrFragmentProcessor* Create(GrTexture* texture, |
| 23 const SkIRect& bounds, | 23 const SkIRect& bounds, |
| 24 const SkISize& kernelSize, | 24 const SkISize& kernelSize, |
| 25 const SkScalar* kernel, | 25 const SkScalar* kernel, |
| 26 SkScalar gain, | 26 SkScalar gain, |
| 27 SkScalar bias, | 27 SkScalar bias, |
| 28 const SkIPoint& kernelOffset, | 28 const SkIPoint& kernelOffset, |
| 29 GrTextureDomain::Mode tileMode, | 29 GrTextureDomain::Mode tileMode, |
| 30 bool convolveAlpha) { | 30 bool convolveAlpha) { |
| 31 return SkNEW_ARGS(GrMatrixConvolutionEffect, (texture, | 31 return SkNEW_ARGS(GrMatrixConvolutionEffect, (texture, |
| 32 bounds, | 32 bounds, |
| 33 kernelSize, | 33 kernelSize, |
| 34 kernel, | 34 kernel, |
| 35 gain, | 35 gain, |
| 36 bias, | 36 bias, |
| 37 kernelOffset, | 37 kernelOffset, |
| 38 tileMode, | 38 tileMode, |
| 39 convolveAlpha)); | 39 convolveAlpha)); |
| 40 } | 40 } |
| 41 | 41 |
| 42 static GrEffect* CreateGaussian(GrTexture* texture, | 42 static GrFragmentProcessor* CreateGaussian(GrTexture* texture, |
| 43 const SkIRect& bounds, | 43 const SkIRect& bounds, |
| 44 const SkISize& kernelSize, | 44 const SkISize& kernelSize, |
| 45 SkScalar gain, | 45 SkScalar gain, |
| 46 SkScalar bias, | 46 SkScalar bias, |
| 47 const SkIPoint& kernelOffset, | 47 const SkIPoint& kernelOffset, |
| 48 GrTextureDomain::Mode tileMode, | 48 GrTextureDomain::Mode tileMode, |
| 49 bool convolveAlpha, | 49 bool convolveAlpha, |
| 50 SkScalar sigmaX, | 50 SkScalar sigmaX, |
| 51 SkScalar sigmaY); | 51 SkScalar sigmaY); |
| 52 | 52 |
| 53 virtual ~GrMatrixConvolutionEffect(); | 53 virtual ~GrMatrixConvolutionEffect(); |
| 54 | 54 |
| 55 virtual void getConstantColorComponents(GrColor* color, | 55 virtual void getConstantColorComponents(GrColor* color, |
| 56 uint32_t* validFlags) const SK_OVERR
IDE { | 56 uint32_t* validFlags) const SK_OVERR
IDE { |
| 57 // TODO: Try to do better? | 57 // TODO: Try to do better? |
| 58 *validFlags = 0; | 58 *validFlags = 0; |
| 59 } | 59 } |
| 60 | 60 |
| 61 static const char* Name() { return "MatrixConvolution"; } | 61 static const char* Name() { return "MatrixConvolution"; } |
| 62 const SkIRect& bounds() const { return fBounds; } | 62 const SkIRect& bounds() const { return fBounds; } |
| 63 const SkISize& kernelSize() const { return fKernelSize; } | 63 const SkISize& kernelSize() const { return fKernelSize; } |
| 64 const float* kernelOffset() const { return fKernelOffset; } | 64 const float* kernelOffset() const { return fKernelOffset; } |
| 65 const float* kernel() const { return fKernel; } | 65 const float* kernel() const { return fKernel; } |
| 66 float gain() const { return fGain; } | 66 float gain() const { return fGain; } |
| 67 float bias() const { return fBias; } | 67 float bias() const { return fBias; } |
| 68 bool convolveAlpha() const { return fConvolveAlpha; } | 68 bool convolveAlpha() const { return fConvolveAlpha; } |
| 69 const GrTextureDomain& domain() const { return fDomain; } | 69 const GrTextureDomain& domain() const { return fDomain; } |
| 70 | 70 |
| 71 typedef GrGLMatrixConvolutionEffect GLEffect; | 71 typedef GrGLMatrixConvolutionEffect GLProcessor; |
| 72 | 72 |
| 73 virtual const GrBackendEffectFactory& getFactory() const SK_OVERRIDE; | 73 virtual const GrBackendFragmentProcessorFactory& getFactory() const SK_OVERR
IDE; |
| 74 | 74 |
| 75 private: | 75 private: |
| 76 GrMatrixConvolutionEffect(GrTexture*, | 76 GrMatrixConvolutionEffect(GrTexture*, |
| 77 const SkIRect& bounds, | 77 const SkIRect& bounds, |
| 78 const SkISize& kernelSize, | 78 const SkISize& kernelSize, |
| 79 const SkScalar* kernel, | 79 const SkScalar* kernel, |
| 80 SkScalar gain, | 80 SkScalar gain, |
| 81 SkScalar bias, | 81 SkScalar bias, |
| 82 const SkIPoint& kernelOffset, | 82 const SkIPoint& kernelOffset, |
| 83 GrTextureDomain::Mode tileMode, | 83 GrTextureDomain::Mode tileMode, |
| 84 bool convolveAlpha); | 84 bool convolveAlpha); |
| 85 | 85 |
| 86 virtual bool onIsEqual(const GrEffect&) const SK_OVERRIDE; | 86 virtual bool onIsEqual(const GrProcessor&) const SK_OVERRIDE; |
| 87 | 87 |
| 88 SkIRect fBounds; | 88 SkIRect fBounds; |
| 89 SkISize fKernelSize; | 89 SkISize fKernelSize; |
| 90 float fKernel[MAX_KERNEL_SIZE]; | 90 float fKernel[MAX_KERNEL_SIZE]; |
| 91 float fGain; | 91 float fGain; |
| 92 float fBias; | 92 float fBias; |
| 93 float fKernelOffset[2]; | 93 float fKernelOffset[2]; |
| 94 bool fConvolveAlpha; | 94 bool fConvolveAlpha; |
| 95 GrTextureDomain fDomain; | 95 GrTextureDomain fDomain; |
| 96 | 96 |
| 97 GR_DECLARE_EFFECT_TEST; | 97 GR_DECLARE_FRAGMENT_PROCESSOR_TEST; |
| 98 | 98 |
| 99 typedef GrSingleTextureEffect INHERITED; | 99 typedef GrSingleTextureEffect INHERITED; |
| 100 }; | 100 }; |
| 101 | 101 |
| 102 #endif | 102 #endif |
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