michael@0: /*
michael@0:  * Copyright 2013 Google Inc.
michael@0:  *
michael@0:  * Use of this source code is governed by a BSD-style license that can be
michael@0:  * found in the LICENSE file.
michael@0:  */
michael@0: 
michael@0: #ifndef GrCustomCoordsTextureEffect_DEFINED
michael@0: #define GrCustomCoordsTextureEffect_DEFINED
michael@0: 
michael@0: #include "GrEffect.h"
michael@0: #include "GrVertexEffect.h"
michael@0: 
michael@0: class GrGLCustomCoordsTextureEffect;
michael@0: 
michael@0: /**
michael@0:  * The output color of this effect is a modulation of the input color and a sample from a texture.
michael@0:  * It allows explicit specification of the filtering and wrap modes (GrTextureParams). The input
michael@0:  * coords are a custom attribute.
michael@0:  */
michael@0: class GrCustomCoordsTextureEffect : public GrVertexEffect {
michael@0: public:
michael@0:     static GrEffectRef* Create(GrTexture* tex, const GrTextureParams& p) {
michael@0:         AutoEffectUnref effect(SkNEW_ARGS(GrCustomCoordsTextureEffect, (tex, p)));
michael@0:         return CreateEffectRef(effect);
michael@0:     }
michael@0: 
michael@0:     virtual ~GrCustomCoordsTextureEffect() {}
michael@0: 
michael@0:     static const char* Name() { return "Texture"; }
michael@0: 
michael@0:     virtual void getConstantColorComponents(GrColor* color, uint32_t* validFlags) const SK_OVERRIDE;
michael@0: 
michael@0:     typedef GrGLCustomCoordsTextureEffect GLEffect;
michael@0: 
michael@0:     virtual const GrBackendEffectFactory& getFactory() const SK_OVERRIDE;
michael@0: 
michael@0: private:
michael@0:     GrCustomCoordsTextureEffect(GrTexture* texture, const GrTextureParams& params);
michael@0: 
michael@0:     virtual bool onIsEqual(const GrEffect& other) const SK_OVERRIDE;
michael@0: 
michael@0:     GrTextureAccess fTextureAccess;
michael@0: 
michael@0:     GR_DECLARE_EFFECT_TEST;
michael@0: 
michael@0:     typedef GrVertexEffect INHERITED;
michael@0: };
michael@0: 
michael@0: #endif