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1 /* | 1 /* |
2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #include "GrTextureDomainEffect.h" | 8 #include "GrTextureDomainEffect.h" |
9 #include "GrSimpleTextureEffect.h" | 9 #include "GrSimpleTextureEffect.h" |
10 #include "GrTBackendEffectFactory.h" | 10 #include "GrTBackendEffectFactory.h" |
11 #include "gl/GrGLEffect.h" | 11 #include "gl/GrGLEffect.h" |
12 #include "SkFloatingPoint.h" | 12 #include "SkFloatingPoint.h" |
13 | 13 |
14 class GrGLTextureDomainEffect : public GrGLEffect { | 14 class GrGLTextureDomainEffect : public GrGLEffect { |
15 public: | 15 public: |
16 GrGLTextureDomainEffect(const GrBackendEffectFactory&, const GrDrawEffect&); | 16 GrGLTextureDomainEffect(const GrBackendEffectFactory&, const GrDrawEffect&); |
17 | 17 |
18 virtual void emitCode(GrGLShaderBuilder*, | 18 virtual void emitCode(GrGLShaderBuilder*, |
19 const GrDrawEffect&, | 19 const GrDrawEffect&, |
20 EffectKey, | 20 EffectKey, |
21 const char* outputColor, | 21 const char* outputColor, |
22 const char* inputColor, | 22 const GrGLSLExpr4& inputColor, |
23 const TransformedCoordsArray&, | 23 const TransformedCoordsArray&, |
24 const TextureSamplerArray&) SK_OVERRIDE; | 24 const TextureSamplerArray&) SK_OVERRIDE; |
25 | 25 |
26 virtual void setData(const GrGLUniformManager&, const GrDrawEffect&) SK_OVER
RIDE; | 26 virtual void setData(const GrGLUniformManager&, const GrDrawEffect&) SK_OVER
RIDE; |
27 | 27 |
28 static inline EffectKey GenKey(const GrDrawEffect&, const GrGLCaps&); | 28 static inline EffectKey GenKey(const GrDrawEffect&, const GrGLCaps&); |
29 | 29 |
30 private: | 30 private: |
31 GrGLUniformManager::UniformHandle fNameUni; | 31 GrGLUniformManager::UniformHandle fNameUni; |
32 GrGLfloat fPrevDomain[4]; | 32 GrGLfloat fPrevDomain[4]; |
33 | 33 |
34 typedef GrGLEffect INHERITED; | 34 typedef GrGLEffect INHERITED; |
35 }; | 35 }; |
36 | 36 |
37 GrGLTextureDomainEffect::GrGLTextureDomainEffect(const GrBackendEffectFactory& f
actory, | 37 GrGLTextureDomainEffect::GrGLTextureDomainEffect(const GrBackendEffectFactory& f
actory, |
38 const GrDrawEffect&) | 38 const GrDrawEffect&) |
39 : INHERITED(factory) { | 39 : INHERITED(factory) { |
40 fPrevDomain[0] = SK_FloatNaN; | 40 fPrevDomain[0] = SK_FloatNaN; |
41 } | 41 } |
42 | 42 |
43 void GrGLTextureDomainEffect::emitCode(GrGLShaderBuilder* builder, | 43 void GrGLTextureDomainEffect::emitCode(GrGLShaderBuilder* builder, |
44 const GrDrawEffect& drawEffect, | 44 const GrDrawEffect& drawEffect, |
45 EffectKey key, | 45 EffectKey key, |
46 const char* outputColor, | 46 const char* outputColor, |
47 const char* inputColor, | 47 const GrGLSLExpr4& inputColor, |
48 const TransformedCoordsArray& coords, | 48 const TransformedCoordsArray& coords, |
49 const TextureSamplerArray& samplers) { | 49 const TextureSamplerArray& samplers) { |
50 const GrTextureDomainEffect& texDom = drawEffect.castEffect<GrTextureDomainE
ffect>(); | 50 const GrTextureDomainEffect& texDom = drawEffect.castEffect<GrTextureDomainE
ffect>(); |
51 | 51 |
52 SkString coords2D = builder->ensureFSCoords2D(coords, 0); | 52 SkString coords2D = builder->ensureFSCoords2D(coords, 0); |
53 const char* domain; | 53 const char* domain; |
54 fNameUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility, | 54 fNameUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility, |
55 kVec4f_GrSLType, "TexDom", &domain); | 55 kVec4f_GrSLType, "TexDom", &domain); |
56 if (GrTextureDomainEffect::kClamp_WrapMode == texDom.wrapMode()) { | 56 if (GrTextureDomainEffect::kClamp_WrapMode == texDom.wrapMode()) { |
57 | 57 |
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212 const SkMatrix& matrix = GrEffectUnitTest::TestMatrix(random); | 212 const SkMatrix& matrix = GrEffectUnitTest::TestMatrix(random); |
213 bool bilerp = random->nextBool(); | 213 bool bilerp = random->nextBool(); |
214 GrCoordSet coords = random->nextBool() ? kLocal_GrCoordSet : kPosition_GrCoo
rdSet; | 214 GrCoordSet coords = random->nextBool() ? kLocal_GrCoordSet : kPosition_GrCoo
rdSet; |
215 return GrTextureDomainEffect::Create(textures[texIdx], | 215 return GrTextureDomainEffect::Create(textures[texIdx], |
216 matrix, | 216 matrix, |
217 domain, | 217 domain, |
218 wrapMode, | 218 wrapMode, |
219 bilerp ? GrTextureParams::kBilerp_Filte
rMode : GrTextureParams::kNone_FilterMode, | 219 bilerp ? GrTextureParams::kBilerp_Filte
rMode : GrTextureParams::kNone_FilterMode, |
220 coords); | 220 coords); |
221 } | 221 } |
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