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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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118 | 118 |
119 void GrGLMagnifierEffect::emitCode(GrGLFPBuilder* builder, | 119 void GrGLMagnifierEffect::emitCode(GrGLFPBuilder* builder, |
120 const GrFragmentProcessor&, | 120 const GrFragmentProcessor&, |
121 const char* outputColor, | 121 const char* outputColor, |
122 const char* inputColor, | 122 const char* inputColor, |
123 const TransformedCoordsArray& coords, | 123 const TransformedCoordsArray& coords, |
124 const TextureSamplerArray& samplers) { | 124 const TextureSamplerArray& samplers) { |
125 fOffsetVar = builder->addUniform( | 125 fOffsetVar = builder->addUniform( |
126 GrGLProgramBuilder::kFragment_Visibility | | 126 GrGLProgramBuilder::kFragment_Visibility | |
127 GrGLProgramBuilder::kVertex_Visibility, | 127 GrGLProgramBuilder::kVertex_Visibility, |
128 kVec2f_GrSLType, "Offset"); | 128 kVec2f_GrSLType, kDefault_GrSLPrecision, "Offset"); |
129 fInvZoomVar = builder->addUniform( | 129 fInvZoomVar = builder->addUniform( |
130 GrGLProgramBuilder::kFragment_Visibility | | 130 GrGLProgramBuilder::kFragment_Visibility | |
131 GrGLProgramBuilder::kVertex_Visibility, | 131 GrGLProgramBuilder::kVertex_Visibility, |
132 kVec2f_GrSLType, "InvZoom"); | 132 kVec2f_GrSLType, kDefault_GrSLPrecision, "InvZoom"); |
133 fInvInsetVar = builder->addUniform( | 133 fInvInsetVar = builder->addUniform( |
134 GrGLProgramBuilder::kFragment_Visibility | | 134 GrGLProgramBuilder::kFragment_Visibility | |
135 GrGLProgramBuilder::kVertex_Visibility, | 135 GrGLProgramBuilder::kVertex_Visibility, |
136 kVec2f_GrSLType, "InvInset"); | 136 kVec2f_GrSLType, kDefault_GrSLPrecision, "InvInset"); |
137 | 137 |
138 GrGLFPFragmentBuilder* fsBuilder = builder->getFragmentShaderBuilder(); | 138 GrGLFPFragmentBuilder* fsBuilder = builder->getFragmentShaderBuilder(); |
139 SkString coords2D = fsBuilder->ensureFSCoords2D(coords, 0); | 139 SkString coords2D = fsBuilder->ensureFSCoords2D(coords, 0); |
140 fsBuilder->codeAppendf("\t\tvec2 coord = %s;\n", coords2D.c_str()); | 140 fsBuilder->codeAppendf("\t\tvec2 coord = %s;\n", coords2D.c_str()); |
141 fsBuilder->codeAppendf("\t\tvec2 zoom_coord = %s + %s * %s;\n", | 141 fsBuilder->codeAppendf("\t\tvec2 zoom_coord = %s + %s * %s;\n", |
142 builder->getUniformCStr(fOffsetVar), | 142 builder->getUniformCStr(fOffsetVar), |
143 coords2D.c_str(), | 143 coords2D.c_str(), |
144 builder->getUniformCStr(fInvZoomVar)); | 144 builder->getUniformCStr(fInvZoomVar)); |
145 | 145 |
146 fsBuilder->codeAppend("\t\tvec2 delta = min(coord, vec2(1.0, 1.0) - coord);\
n"); | 146 fsBuilder->codeAppend("\t\tvec2 delta = min(coord, vec2(1.0, 1.0) - coord);\
n"); |
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350 | 350 |
351 int x_val = SkPin32(SkScalarFloorToInt(x_interp), 0, width - 1); | 351 int x_val = SkPin32(SkScalarFloorToInt(x_interp), 0, width - 1); |
352 int y_val = SkPin32(SkScalarFloorToInt(y_interp), 0, height - 1); | 352 int y_val = SkPin32(SkScalarFloorToInt(y_interp), 0, height - 1); |
353 | 353 |
354 *dptr = sptr[y_val * width + x_val]; | 354 *dptr = sptr[y_val * width + x_val]; |
355 dptr++; | 355 dptr++; |
356 } | 356 } |
357 } | 357 } |
358 return true; | 358 return true; |
359 } | 359 } |
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