1 /* 2 * Copyright 2013 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #ifndef GrCustomCoordsTextureEffect_DEFINED 9 #define GrCustomCoordsTextureEffect_DEFINED 10 11 #include "GrEffect.h" 12 #include "GrVertexEffect.h" 13 14 class GrGLCustomCoordsTextureEffect; 15 16 /** 17 * The output color of this effect is a modulation of the input color and a sample from a texture. 18 * It allows explicit specification of the filtering and wrap modes (GrTextureParams). The input 19 * coords are a custom attribute. 20 */ 21 class GrCustomCoordsTextureEffect : public GrVertexEffect { 22 public: 23 static GrEffectRef* Create(GrTexture* tex, const GrTextureParams& p) { 24 AutoEffectUnref effect(SkNEW_ARGS(GrCustomCoordsTextureEffect, (tex, p))); 25 return CreateEffectRef(effect); 26 } 27 28 virtual ~GrCustomCoordsTextureEffect() {} 29 30 static const char* Name() { return "Texture"; } 31 32 virtual void getConstantColorComponents(GrColor* color, uint32_t* validFlags) const SK_OVERRIDE; 33 34 typedef GrGLCustomCoordsTextureEffect GLEffect; 35 36 virtual const GrBackendEffectFactory& getFactory() const SK_OVERRIDE; 37 38 private: 39 GrCustomCoordsTextureEffect(GrTexture* texture, const GrTextureParams& params); 40 41 virtual bool onIsEqual(const GrEffect& other) const SK_OVERRIDE; 42 43 GrTextureAccess fTextureAccess; 44 45 GR_DECLARE_EFFECT_TEST; 46 47 typedef GrVertexEffect INHERITED; 48 }; 49 50 #endif 51
