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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 "gl/GrGLEffectMatrix.h" | 12 #include "gl/GrGLEffectMatrix.h" |
| 13 #include "SkFloatingPoint.h" | 13 #include "SkFloatingPoint.h" |
| 14 | 14 |
| 15 class GrGLTextureDomainEffect : public GrGLEffect { | 15 class GrGLTextureDomainEffect : public GrGLEffect { |
| 16 public: | 16 public: |
| 17 GrGLTextureDomainEffect(const GrBackendEffectFactory&, const GrDrawEffect&); | 17 GrGLTextureDomainEffect(const GrBackendEffectFactory&, const GrDrawEffect&); |
| 18 | 18 |
| 19 virtual void emitCode(GrGLShaderBuilder*, | 19 virtual void emitCode(GrGLShaderBuilder*, |
| 20 const GrDrawEffect&, | 20 const GrDrawEffect&, |
| 21 EffectKey, | 21 EffectKey, |
| 22 const char* outputColor, | 22 const char* outputColor, |
| 23 const char* inputColor, | 23 const char* inputColor, |
| 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 GrGLContext&, const GrDrawEffect&) SK_OVERRIDE; |
| 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 GrGLUniform* fNameUni; |
| 32 GrGLEffectMatrix fEffectMatrix; | 32 GrGLEffectMatrix fEffectMatrix; |
| 33 GrGLfloat fPrevDomain[4]; | 33 GrGLfloat fPrevDomain[4]; |
| 34 | 34 |
| 35 typedef GrGLEffect INHERITED; | 35 typedef GrGLEffect INHERITED; |
| 36 }; | 36 }; |
| 37 | 37 |
| 38 GrGLTextureDomainEffect::GrGLTextureDomainEffect(const GrBackendEffectFactory& f
actory, | 38 GrGLTextureDomainEffect::GrGLTextureDomainEffect(const GrBackendEffectFactory& f
actory, |
| 39 const GrDrawEffect& drawEffect) | 39 const GrDrawEffect& drawEffect) |
| 40 : INHERITED(factory) | 40 : INHERITED(factory) |
| 41 , fNameUni(GrGLUniformManager::kInvalidUniformHandle) | 41 , fNameUni(NULL) |
| 42 , fEffectMatrix(drawEffect.castEffect<GrTextureDomainEffect>().coordsType())
{ | 42 , fEffectMatrix(drawEffect.castEffect<GrTextureDomainEffect>().coordsType())
{ |
| 43 fPrevDomain[0] = SK_FloatNaN; | 43 fPrevDomain[0] = SK_FloatNaN; |
| 44 } | 44 } |
| 45 | 45 |
| 46 void GrGLTextureDomainEffect::emitCode(GrGLShaderBuilder* builder, | 46 void GrGLTextureDomainEffect::emitCode(GrGLShaderBuilder* builder, |
| 47 const GrDrawEffect& drawEffect, | 47 const GrDrawEffect& drawEffect, |
| 48 EffectKey key, | 48 EffectKey key, |
| 49 const char* outputColor, | 49 const char* outputColor, |
| 50 const char* inputColor, | 50 const char* inputColor, |
| 51 const TextureSamplerArray& samplers) { | 51 const TextureSamplerArray& samplers) { |
| 52 const GrTextureDomainEffect& texDom = drawEffect.castEffect<GrTextureDomainE
ffect>(); | 52 const GrTextureDomainEffect& texDom = drawEffect.castEffect<GrTextureDomainE
ffect>(); |
| 53 | 53 |
| 54 const char* coords; | 54 const char* coords; |
| 55 fEffectMatrix.emitCodeMakeFSCoords2D(builder, key, &coords); | 55 fEffectMatrix.emitCodeMakeFSCoords2D(builder, key, &coords); |
| 56 const char* domain; | 56 const char* domain; |
| 57 fNameUni = builder->addUniform(GrGLShaderBuilder::kFragment_ShaderType, | 57 fNameUni = builder->addUniform(GrGLShaderBuilder::kFragment_ShaderType, |
| 58 kVec4f_GrSLType, "TexDom", &domain); | 58 kVec4f_GrSLType, "TexDom", &domain)->glUnifor
m(); |
| 59 if (GrTextureDomainEffect::kClamp_WrapMode == texDom.wrapMode()) { | 59 if (GrTextureDomainEffect::kClamp_WrapMode == texDom.wrapMode()) { |
| 60 | 60 |
| 61 builder->fsCodeAppendf("\tvec2 clampCoord = clamp(%s, %s.xy, %s.zw);\n", | 61 builder->fsCodeAppendf("\tvec2 clampCoord = clamp(%s, %s.xy, %s.zw);\n", |
| 62 coords, domain, domain); | 62 coords, domain, domain); |
| 63 | 63 |
| 64 builder->fsCodeAppendf("\t%s = ", outputColor); | 64 builder->fsCodeAppendf("\t%s = ", outputColor); |
| 65 builder->appendTextureLookupAndModulate(GrGLShaderBuilder::kFragment_Sha
derType, | 65 builder->appendTextureLookupAndModulate(GrGLShaderBuilder::kFragment_Sha
derType, |
| 66 inputColor, | 66 inputColor, |
| 67 samplers[0], | 67 samplers[0], |
| 68 "clampCoord"); | 68 "clampCoord"); |
| (...skipping 29 matching lines...) Expand all Loading... |
| 98 builder->fsCodeAppendf("\t%s = any(outside) ? vec4(0.0, 0.0, 0.0, 0.
0) : ", outputColor); | 98 builder->fsCodeAppendf("\t%s = any(outside) ? vec4(0.0, 0.0, 0.0, 0.
0) : ", outputColor); |
| 99 builder->appendTextureLookupAndModulate(GrGLShaderBuilder::kFragment
_ShaderType, | 99 builder->appendTextureLookupAndModulate(GrGLShaderBuilder::kFragment
_ShaderType, |
| 100 inputColor, | 100 inputColor, |
| 101 samplers[0], | 101 samplers[0], |
| 102 coords); | 102 coords); |
| 103 builder->fsCodeAppend(";\n"); | 103 builder->fsCodeAppend(";\n"); |
| 104 } | 104 } |
| 105 } | 105 } |
| 106 } | 106 } |
| 107 | 107 |
| 108 void GrGLTextureDomainEffect::setData(const GrGLUniformManager& uman, | 108 void GrGLTextureDomainEffect::setData(const GrGLContext& context, |
| 109 const GrDrawEffect& drawEffect) { | 109 const GrDrawEffect& drawEffect) { |
| 110 const GrTextureDomainEffect& texDom = drawEffect.castEffect<GrTextureDomainE
ffect>(); | 110 const GrTextureDomainEffect& texDom = drawEffect.castEffect<GrTextureDomainE
ffect>(); |
| 111 const SkRect& domain = texDom.domain(); | 111 const SkRect& domain = texDom.domain(); |
| 112 | 112 |
| 113 float values[4] = { | 113 float values[4] = { |
| 114 SkScalarToFloat(domain.left()), | 114 SkScalarToFloat(domain.left()), |
| 115 SkScalarToFloat(domain.top()), | 115 SkScalarToFloat(domain.top()), |
| 116 SkScalarToFloat(domain.right()), | 116 SkScalarToFloat(domain.right()), |
| 117 SkScalarToFloat(domain.bottom()) | 117 SkScalarToFloat(domain.bottom()) |
| 118 }; | 118 }; |
| 119 // vertical flip if necessary | 119 // vertical flip if necessary |
| 120 if (kBottomLeft_GrSurfaceOrigin == texDom.texture(0)->origin()) { | 120 if (kBottomLeft_GrSurfaceOrigin == texDom.texture(0)->origin()) { |
| 121 values[1] = 1.0f - values[1]; | 121 values[1] = 1.0f - values[1]; |
| 122 values[3] = 1.0f - values[3]; | 122 values[3] = 1.0f - values[3]; |
| 123 // The top and bottom were just flipped, so correct the ordering | 123 // The top and bottom were just flipped, so correct the ordering |
| 124 // of elements so that values = (l, t, r, b). | 124 // of elements so that values = (l, t, r, b). |
| 125 SkTSwap(values[1], values[3]); | 125 SkTSwap(values[1], values[3]); |
| 126 } | 126 } |
| 127 if (0 != memcmp(values, fPrevDomain, 4 * sizeof(GrGLfloat))) { | 127 if (0 != memcmp(values, fPrevDomain, 4 * sizeof(GrGLfloat))) { |
| 128 uman.set4fv(fNameUni, 0, 1, values); | 128 fNameUni->set4fv(context, 0, 1, values); |
| 129 memcpy(fPrevDomain, values, 4 * sizeof(GrGLfloat)); | 129 memcpy(fPrevDomain, values, 4 * sizeof(GrGLfloat)); |
| 130 } | 130 } |
| 131 fEffectMatrix.setData(uman, | 131 fEffectMatrix.setData(context, |
| 132 texDom.getMatrix(), | 132 texDom.getMatrix(), |
| 133 drawEffect, | 133 drawEffect, |
| 134 texDom.texture(0)); | 134 texDom.texture(0)); |
| 135 } | 135 } |
| 136 | 136 |
| 137 GrGLEffect::EffectKey GrGLTextureDomainEffect::GenKey(const GrDrawEffect& drawEf
fect, | 137 GrGLEffect::EffectKey GrGLTextureDomainEffect::GenKey(const GrDrawEffect& drawEf
fect, |
| 138 const GrGLCaps&) { | 138 const GrGLCaps&) { |
| 139 const GrTextureDomainEffect& texDom = drawEffect.castEffect<GrTextureDomainE
ffect>(); | 139 const GrTextureDomainEffect& texDom = drawEffect.castEffect<GrTextureDomainE
ffect>(); |
| 140 EffectKey key = texDom.wrapMode(); | 140 EffectKey key = texDom.wrapMode(); |
| 141 key <<= GrGLEffectMatrix::kKeyBits; | 141 key <<= GrGLEffectMatrix::kKeyBits; |
| (...skipping 93 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 235 const SkMatrix& matrix = GrEffectUnitTest::TestMatrix(random); | 235 const SkMatrix& matrix = GrEffectUnitTest::TestMatrix(random); |
| 236 bool bilerp = random->nextBool(); | 236 bool bilerp = random->nextBool(); |
| 237 CoordsType coords = random->nextBool() ? kLocal_CoordsType : kPosition_Coord
sType; | 237 CoordsType coords = random->nextBool() ? kLocal_CoordsType : kPosition_Coord
sType; |
| 238 return GrTextureDomainEffect::Create(textures[texIdx], | 238 return GrTextureDomainEffect::Create(textures[texIdx], |
| 239 matrix, | 239 matrix, |
| 240 domain, | 240 domain, |
| 241 wrapMode, | 241 wrapMode, |
| 242 bilerp ? GrTextureParams::kBilerp_Filte
rMode : GrTextureParams::kNone_FilterMode, | 242 bilerp ? GrTextureParams::kBilerp_Filte
rMode : GrTextureParams::kNone_FilterMode, |
| 243 coords); | 243 coords); |
| 244 } | 244 } |
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