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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" |
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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 GrEffect&); | 96 GrGLMagnifierEffect(const GrBackendEffectFactory&, const GrDrawEffect&); |
97 | 97 |
98 virtual void emitCode(GrGLProgramBuilder*, | 98 virtual void emitCode(GrGLProgramBuilder*, |
99 const GrEffect&, | 99 const GrDrawEffect&, |
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 GrEffect&) SK_OVER
RIDE; | 106 virtual void setData(const GrGLProgramDataManager&, const GrDrawEffect&) SK_
OVERRIDE; |
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 GrEffect&) | 116 GrGLMagnifierEffect::GrGLMagnifierEffect(const GrBackendEffectFactory& factory,
const GrDrawEffect&) |
117 : INHERITED(factory) { | 117 : INHERITED(factory) { |
118 } | 118 } |
119 | 119 |
120 void GrGLMagnifierEffect::emitCode(GrGLProgramBuilder* builder, | 120 void GrGLMagnifierEffect::emitCode(GrGLProgramBuilder* builder, |
121 const GrEffect&, | 121 const GrDrawEffect&, |
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 GrEffect& effect) { | 175 const GrDrawEffect& drawEffect) { |
176 const GrMagnifierEffect& zoom = effect.cast<GrMagnifierEffect>(); | 176 const GrMagnifierEffect& zoom = drawEffect.castEffect<GrMagnifierEffect>(); |
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 = sBase.cast<GrMagnifierEffect>(); | 219 const GrMagnifierEffect& s = 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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