gfx/skia/trunk/src/gpu/effects/GrSimpleTextureEffect.h@6474c204b198 (annotated)
gfx/skia/trunk/src/gpu/effects/GrSimpleTextureEffect.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* |
| michael@0 | 2 | * Copyright 2013 Google Inc. |
| michael@0 | 3 | * |
| michael@0 | 4 | * Use of this source code is governed by a BSD-style license that can be |
| michael@0 | 5 | * found in the LICENSE file. |
| michael@0 | 6 | */ |
| michael@0 | 7 | |
| michael@0 | 8 | #ifndef GrSimpleTextureEffect_DEFINED |
| michael@0 | 9 | #define GrSimpleTextureEffect_DEFINED |
| michael@0 | 10 | |
| michael@0 | 11 | #include "GrSingleTextureEffect.h" |
| michael@0 | 12 | |
| michael@0 | 13 | class GrGLSimpleTextureEffect; |
| michael@0 | 14 | |
| michael@0 | 15 | /** |
| michael@0 | 16 | * The output color of this effect is a modulation of the input color and a sample from a texture. |
| michael@0 | 17 | * It allows explicit specification of the filtering and wrap modes (GrTextureParams). It can use |
| michael@0 | 18 | * local coords, positions, or a custom vertex attribute as input texture coords. The input coords |
| michael@0 | 19 | * can have a matrix applied in the VS in both the local and position cases but not with a custom |
| michael@0 | 20 | * attribute coords at this time. It will add a varying to input interpolate texture coords to the |
| michael@0 | 21 | * FS. |
| michael@0 | 22 | */ |
| michael@0 | 23 | class GrSimpleTextureEffect : public GrSingleTextureEffect { |
| michael@0 | 24 | public: |
| michael@0 | 25 | /* unfiltered, clamp mode */ |
| michael@0 | 26 | static GrEffectRef* Create(GrTexture* tex, |
| michael@0 | 27 | const SkMatrix& matrix, |
| michael@0 | 28 | GrCoordSet coordSet = kLocal_GrCoordSet) { |
| michael@0 | 29 | AutoEffectUnref effect(SkNEW_ARGS(GrSimpleTextureEffect, (tex, matrix, GrTextureParams::kNone_FilterMode, coordSet))); |
| michael@0 | 30 | return CreateEffectRef(effect); |
| michael@0 | 31 | } |
| michael@0 | 32 | |
| michael@0 | 33 | /* clamp mode */ |
| michael@0 | 34 | static GrEffectRef* Create(GrTexture* tex, |
| michael@0 | 35 | const SkMatrix& matrix, |
| michael@0 | 36 | GrTextureParams::FilterMode filterMode, |
| michael@0 | 37 | GrCoordSet coordSet = kLocal_GrCoordSet) { |
| michael@0 | 38 | AutoEffectUnref effect( |
| michael@0 | 39 | SkNEW_ARGS(GrSimpleTextureEffect, (tex, matrix, filterMode, coordSet))); |
| michael@0 | 40 | return CreateEffectRef(effect); |
| michael@0 | 41 | } |
| michael@0 | 42 | |
| michael@0 | 43 | static GrEffectRef* Create(GrTexture* tex, |
| michael@0 | 44 | const SkMatrix& matrix, |
| michael@0 | 45 | const GrTextureParams& p, |
| michael@0 | 46 | GrCoordSet coordSet = kLocal_GrCoordSet) { |
| michael@0 | 47 | AutoEffectUnref effect(SkNEW_ARGS(GrSimpleTextureEffect, (tex, matrix, p, coordSet))); |
| michael@0 | 48 | return CreateEffectRef(effect); |
| michael@0 | 49 | } |
| michael@0 | 50 | |
| michael@0 | 51 | virtual ~GrSimpleTextureEffect() {} |
| michael@0 | 52 | |
| michael@0 | 53 | static const char* Name() { return "Texture"; } |
| michael@0 | 54 | |
| michael@0 | 55 | virtual void getConstantColorComponents(GrColor* color, uint32_t* validFlags) const SK_OVERRIDE; |
| michael@0 | 56 | |
| michael@0 | 57 | typedef GrGLSimpleTextureEffect GLEffect; |
| michael@0 | 58 | |
| michael@0 | 59 | virtual const GrBackendEffectFactory& getFactory() const SK_OVERRIDE; |
| michael@0 | 60 | |
| michael@0 | 61 | private: |
| michael@0 | 62 | GrSimpleTextureEffect(GrTexture* texture, |
| michael@0 | 63 | const SkMatrix& matrix, |
| michael@0 | 64 | GrTextureParams::FilterMode filterMode, |
| michael@0 | 65 | GrCoordSet coordSet) |
| michael@0 | 66 | : GrSingleTextureEffect(texture, matrix, filterMode, coordSet) { |
| michael@0 | 67 | } |
| michael@0 | 68 | |
| michael@0 | 69 | GrSimpleTextureEffect(GrTexture* texture, |
| michael@0 | 70 | const SkMatrix& matrix, |
| michael@0 | 71 | const GrTextureParams& params, |
| michael@0 | 72 | GrCoordSet coordSet) |
| michael@0 | 73 | : GrSingleTextureEffect(texture, matrix, params, coordSet) { |
| michael@0 | 74 | } |
| michael@0 | 75 | |
| michael@0 | 76 | virtual bool onIsEqual(const GrEffect& other) const SK_OVERRIDE { |
| michael@0 | 77 | const GrSimpleTextureEffect& ste = CastEffect<GrSimpleTextureEffect>(other); |
| michael@0 | 78 | return this->hasSameTextureParamsMatrixAndSourceCoords(ste); |
| michael@0 | 79 | } |
| michael@0 | 80 | |
| michael@0 | 81 | GR_DECLARE_EFFECT_TEST; |
| michael@0 | 82 | |
| michael@0 | 83 | typedef GrSingleTextureEffect INHERITED; |
| michael@0 | 84 | }; |
| michael@0 | 85 | |
| michael@0 | 86 | #endif |
