| /* |
| * Copyright 2013 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef GrBicubicTextureEffect_DEFINED |
| #define GrBicubicTextureEffect_DEFINED |
| |
| #include "GrSingleTextureEffect.h" |
| #include "GrDrawEffect.h" |
| #include "gl/GrGLEffect.h" |
| #include "gl/GrGLEffectMatrix.h" |
| #include "GrTBackendEffectFactory.h" |
| |
| class GrGLBicubicEffect; |
| |
| class GrBicubicEffect : public GrSingleTextureEffect { |
| public: |
| virtual ~GrBicubicEffect(); |
| |
| static const char* Name() { return "Bicubic"; } |
| const float* coefficients() const { return fCoefficients; } |
| |
| typedef GrGLBicubicEffect GLEffect; |
| |
| virtual const GrBackendEffectFactory& getFactory() const SK_OVERRIDE; |
| virtual void getConstantColorComponents(GrColor* color, uint32_t* validFlags) const SK_OVERRIDE; |
| |
| static GrEffectRef* Create(GrTexture* tex, const SkScalar coefficients[16]) { |
| AutoEffectUnref effect(SkNEW_ARGS(GrBicubicEffect, (tex, coefficients))); |
| return CreateEffectRef(effect); |
| } |
| |
| static GrEffectRef* Create(GrTexture* tex, const SkScalar coefficients[16], |
| const SkMatrix& matrix, |
| const GrTextureParams& p, |
| CoordsType coordsType = kLocal_CoordsType) { |
| AutoEffectUnref effect(SkNEW_ARGS(GrBicubicEffect, (tex, coefficients, matrix, p, coordsType))); |
| return CreateEffectRef(effect); |
| } |
| |
| static GrEffectRef* Create(GrTexture* tex) { |
| return Create(tex, gMitchellCoefficients); |
| } |
| |
| static GrEffectRef* Create(GrTexture* tex, |
| const SkMatrix& matrix, |
| const GrTextureParams& p, |
| CoordsType coordsType = kLocal_CoordsType) { |
| return Create(tex, gMitchellCoefficients, matrix, p, coordsType); |
| } |
| |
| private: |
| GrBicubicEffect(GrTexture*, const SkScalar coefficients[16]); |
| GrBicubicEffect(GrTexture*, const SkScalar coefficients[16], |
| const SkMatrix &matrix, const GrTextureParams &p, CoordsType coordsType); |
| virtual bool onIsEqual(const GrEffect&) const SK_OVERRIDE; |
| float fCoefficients[16]; |
| |
| GR_DECLARE_EFFECT_TEST; |
| |
| static const SkScalar gMitchellCoefficients[16]; |
| |
| typedef GrSingleTextureEffect INHERITED; |
| }; |
| |
| #endif |