The Tor Browser: gfx/skia/trunk/src/gpu/effects/GrCustomCoordsTextureEffect.h@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     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  */

     8 #ifndef GrCustomCoordsTextureEffect_DEFINED

     9 #define GrCustomCoordsTextureEffect_DEFINED

    11 #include "GrEffect.h"

    12 #include "GrVertexEffect.h"

    14 class GrGLCustomCoordsTextureEffect;

    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     }

    28     virtual ~GrCustomCoordsTextureEffect() {}

    30     static const char* Name() { return "Texture"; }

    32     virtual void getConstantColorComponents(GrColor* color, uint32_t* validFlags) const SK_OVERRIDE;

    34     typedef GrGLCustomCoordsTextureEffect GLEffect;

    36     virtual const GrBackendEffectFactory& getFactory() const SK_OVERRIDE;

    38 private:

    39     GrCustomCoordsTextureEffect(GrTexture* texture, const GrTextureParams& params);

    41     virtual bool onIsEqual(const GrEffect& other) const SK_OVERRIDE;

    43     GrTextureAccess fTextureAccess;

    45     GR_DECLARE_EFFECT_TEST;

    47     typedef GrVertexEffect INHERITED;

    48 };

    50 #endif

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