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| 1 /* | 1 /* |
| 2 * Copyright 2012 The Android Open Source Project | 2 * Copyright 2012 The Android Open Source Project |
| 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 "SkBitmap.h" | 8 #include "SkBitmap.h" |
| 9 #include "SkMagnifierImageFilter.h" | 9 #include "SkMagnifierImageFilter.h" |
| 10 #include "SkColorPriv.h" | 10 #include "SkColorPriv.h" |
| (...skipping 75 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 86 float fYInvInset; | 86 float fYInvInset; |
| 87 | 87 |
| 88 typedef GrSingleTextureEffect INHERITED; | 88 typedef GrSingleTextureEffect INHERITED; |
| 89 }; | 89 }; |
| 90 | 90 |
| 91 // For brevity | 91 // For brevity |
| 92 typedef GrGLProgramDataManager::UniformHandle UniformHandle; | 92 typedef GrGLProgramDataManager::UniformHandle UniformHandle; |
| 93 | 93 |
| 94 class GrGLMagnifierEffect : public GrGLEffect { | 94 class GrGLMagnifierEffect : public GrGLEffect { |
| 95 public: | 95 public: |
| 96 GrGLMagnifierEffect(const GrBackendEffectFactory&, const GrDrawEffect&); | 96 GrGLMagnifierEffect(const GrBackendEffectFactory&, const GrEffect&); |
| 97 | 97 |
| 98 virtual void emitCode(GrGLProgramBuilder*, | 98 virtual void emitCode(GrGLProgramBuilder*, |
| 99 const GrDrawEffect&, | 99 const GrEffect&, |
| 100 const GrEffectKey&, | 100 const GrEffectKey&, |
| 101 const char* outputColor, | 101 const char* outputColor, |
| 102 const char* inputColor, | 102 const char* inputColor, |
| 103 const TransformedCoordsArray&, | 103 const TransformedCoordsArray&, |
| 104 const TextureSamplerArray&) SK_OVERRIDE; | 104 const TextureSamplerArray&) SK_OVERRIDE; |
| 105 | 105 |
| 106 virtual void setData(const GrGLProgramDataManager&, const GrDrawEffect&) SK_
OVERRIDE; | 106 virtual void setData(const GrGLProgramDataManager&, const GrEffect&) SK_OVER
RIDE; |
| 107 | 107 |
| 108 private: | 108 private: |
| 109 UniformHandle fOffsetVar; | 109 UniformHandle fOffsetVar; |
| 110 UniformHandle fInvZoomVar; | 110 UniformHandle fInvZoomVar; |
| 111 UniformHandle fInvInsetVar; | 111 UniformHandle fInvInsetVar; |
| 112 | 112 |
| 113 typedef GrGLEffect INHERITED; | 113 typedef GrGLEffect INHERITED; |
| 114 }; | 114 }; |
| 115 | 115 |
| 116 GrGLMagnifierEffect::GrGLMagnifierEffect(const GrBackendEffectFactory& factory,
const GrDrawEffect&) | 116 GrGLMagnifierEffect::GrGLMagnifierEffect(const GrBackendEffectFactory& factory,
const GrEffect&) |
| 117 : INHERITED(factory) { | 117 : INHERITED(factory) { |
| 118 } | 118 } |
| 119 | 119 |
| 120 void GrGLMagnifierEffect::emitCode(GrGLProgramBuilder* builder, | 120 void GrGLMagnifierEffect::emitCode(GrGLProgramBuilder* builder, |
| 121 const GrDrawEffect&, | 121 const GrEffect&, |
| 122 const GrEffectKey& key, | 122 const GrEffectKey& key, |
| 123 const char* outputColor, | 123 const char* outputColor, |
| 124 const char* inputColor, | 124 const char* inputColor, |
| 125 const TransformedCoordsArray& coords, | 125 const TransformedCoordsArray& coords, |
| 126 const TextureSamplerArray& samplers) { | 126 const TextureSamplerArray& samplers) { |
| 127 fOffsetVar = builder->addUniform( | 127 fOffsetVar = builder->addUniform( |
| 128 GrGLProgramBuilder::kFragment_Visibility | | 128 GrGLProgramBuilder::kFragment_Visibility | |
| 129 GrGLProgramBuilder::kVertex_Visibility, | 129 GrGLProgramBuilder::kVertex_Visibility, |
| 130 kVec2f_GrSLType, "Offset"); | 130 kVec2f_GrSLType, "Offset"); |
| 131 fInvZoomVar = builder->addUniform( | 131 fInvZoomVar = builder->addUniform( |
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| 165 fsBuilder->appendTextureLookup(samplers[0], "mix_coord"); | 165 fsBuilder->appendTextureLookup(samplers[0], "mix_coord"); |
| 166 fsBuilder->codeAppend(";\n"); | 166 fsBuilder->codeAppend(";\n"); |
| 167 | 167 |
| 168 fsBuilder->codeAppendf("\t\t%s = output_color;", outputColor); | 168 fsBuilder->codeAppendf("\t\t%s = output_color;", outputColor); |
| 169 SkString modulate; | 169 SkString modulate; |
| 170 GrGLSLMulVarBy4f(&modulate, 2, outputColor, inputColor); | 170 GrGLSLMulVarBy4f(&modulate, 2, outputColor, inputColor); |
| 171 fsBuilder->codeAppend(modulate.c_str()); | 171 fsBuilder->codeAppend(modulate.c_str()); |
| 172 } | 172 } |
| 173 | 173 |
| 174 void GrGLMagnifierEffect::setData(const GrGLProgramDataManager& pdman, | 174 void GrGLMagnifierEffect::setData(const GrGLProgramDataManager& pdman, |
| 175 const GrDrawEffect& drawEffect) { | 175 const GrEffect& effect) { |
| 176 const GrMagnifierEffect& zoom = drawEffect.castEffect<GrMagnifierEffect>(); | 176 const GrMagnifierEffect& zoom = GrEffect::CastEffect<GrMagnifierEffect>(effe
ct); |
| 177 pdman.set2f(fOffsetVar, zoom.x_offset(), zoom.y_offset()); | 177 pdman.set2f(fOffsetVar, zoom.x_offset(), zoom.y_offset()); |
| 178 pdman.set2f(fInvZoomVar, zoom.x_inv_zoom(), zoom.y_inv_zoom()); | 178 pdman.set2f(fInvZoomVar, zoom.x_inv_zoom(), zoom.y_inv_zoom()); |
| 179 pdman.set2f(fInvInsetVar, zoom.x_inv_inset(), zoom.y_inv_inset()); | 179 pdman.set2f(fInvInsetVar, zoom.x_inv_inset(), zoom.y_inv_inset()); |
| 180 } | 180 } |
| 181 | 181 |
| 182 ///////////////////////////////////////////////////////////////////// | 182 ///////////////////////////////////////////////////////////////////// |
| 183 | 183 |
| 184 GR_DEFINE_EFFECT_TEST(GrMagnifierEffect); | 184 GR_DEFINE_EFFECT_TEST(GrMagnifierEffect); |
| 185 | 185 |
| 186 GrEffect* GrMagnifierEffect::TestCreate(SkRandom* random, | 186 GrEffect* GrMagnifierEffect::TestCreate(SkRandom* random, |
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| 209 return effect; | 209 return effect; |
| 210 } | 210 } |
| 211 | 211 |
| 212 /////////////////////////////////////////////////////////////////////////////// | 212 /////////////////////////////////////////////////////////////////////////////// |
| 213 | 213 |
| 214 const GrBackendEffectFactory& GrMagnifierEffect::getFactory() const { | 214 const GrBackendEffectFactory& GrMagnifierEffect::getFactory() const { |
| 215 return GrTBackendEffectFactory<GrMagnifierEffect>::getInstance(); | 215 return GrTBackendEffectFactory<GrMagnifierEffect>::getInstance(); |
| 216 } | 216 } |
| 217 | 217 |
| 218 bool GrMagnifierEffect::onIsEqual(const GrEffect& sBase) const { | 218 bool GrMagnifierEffect::onIsEqual(const GrEffect& sBase) const { |
| 219 const GrMagnifierEffect& s = CastEffect<GrMagnifierEffect>(sBase); | 219 const GrMagnifierEffect& s = GrEffect::CastEffect<GrMagnifierEffect>(sBase); |
| 220 return (this->texture(0) == s.texture(0) && | 220 return (this->texture(0) == s.texture(0) && |
| 221 this->fXOffset == s.fXOffset && | 221 this->fXOffset == s.fXOffset && |
| 222 this->fYOffset == s.fYOffset && | 222 this->fYOffset == s.fYOffset && |
| 223 this->fXInvZoom == s.fXInvZoom && | 223 this->fXInvZoom == s.fXInvZoom && |
| 224 this->fYInvZoom == s.fYInvZoom && | 224 this->fYInvZoom == s.fYInvZoom && |
| 225 this->fXInvInset == s.fXInvInset && | 225 this->fXInvInset == s.fXInvInset && |
| 226 this->fYInvInset == s.fYInvInset); | 226 this->fYInvInset == s.fYInvInset); |
| 227 } | 227 } |
| 228 | 228 |
| 229 void GrMagnifierEffect::getConstantColorComponents(GrColor* color, uint32_t* val
idFlags) const { | 229 void GrMagnifierEffect::getConstantColorComponents(GrColor* color, uint32_t* val
idFlags) const { |
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| 364 | 364 |
| 365 int x_val = SkPin32(SkScalarFloorToInt(x_interp), 0, width - 1); | 365 int x_val = SkPin32(SkScalarFloorToInt(x_interp), 0, width - 1); |
| 366 int y_val = SkPin32(SkScalarFloorToInt(y_interp), 0, height - 1); | 366 int y_val = SkPin32(SkScalarFloorToInt(y_interp), 0, height - 1); |
| 367 | 367 |
| 368 *dptr = sptr[y_val * width + x_val]; | 368 *dptr = sptr[y_val * width + x_val]; |
| 369 dptr++; | 369 dptr++; |
| 370 } | 370 } |
| 371 } | 371 } |
| 372 return true; | 372 return true; |
| 373 } | 373 } |
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