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Side by Side Diff: src/effects/SkMagnifierImageFilter.cpp

Issue 23826002: Rename ShaderType enum to ShaderVisibility (Closed) Base URL: https://skia.googlecode.com/svn/trunk
Patch Set: Created 7 years, 3 months ago
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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 112 matching lines...) Expand 10 before | Expand all | Expand 10 after
123 123
124 void GrGLMagnifierEffect::emitCode(GrGLShaderBuilder* builder, 124 void GrGLMagnifierEffect::emitCode(GrGLShaderBuilder* builder,
125 const GrDrawEffect&, 125 const GrDrawEffect&,
126 EffectKey key, 126 EffectKey key,
127 const char* outputColor, 127 const char* outputColor,
128 const char* inputColor, 128 const char* inputColor,
129 const TextureSamplerArray& samplers) { 129 const TextureSamplerArray& samplers) {
130 SkString coords; 130 SkString coords;
131 fEffectMatrix.emitCodeMakeFSCoords2D(builder, key, &coords); 131 fEffectMatrix.emitCodeMakeFSCoords2D(builder, key, &coords);
132 fOffsetVar = builder->addUniform( 132 fOffsetVar = builder->addUniform(
133 GrGLShaderBuilder::kFragment_ShaderType | 133 GrGLShaderBuilder::kFragment_Visibility |
134 GrGLShaderBuilder::kVertex_ShaderType, 134 GrGLShaderBuilder::kVertex_Visibility,
135 kVec2f_GrSLType, "uOffset"); 135 kVec2f_GrSLType, "uOffset");
136 fZoomVar = builder->addUniform( 136 fZoomVar = builder->addUniform(
137 GrGLShaderBuilder::kFragment_ShaderType | 137 GrGLShaderBuilder::kFragment_Visibility |
138 GrGLShaderBuilder::kVertex_ShaderType, 138 GrGLShaderBuilder::kVertex_Visibility,
139 kVec2f_GrSLType, "uZoom"); 139 kVec2f_GrSLType, "uZoom");
140 fInsetVar = builder->addUniform( 140 fInsetVar = builder->addUniform(
141 GrGLShaderBuilder::kFragment_ShaderType | 141 GrGLShaderBuilder::kFragment_Visibility |
142 GrGLShaderBuilder::kVertex_ShaderType, 142 GrGLShaderBuilder::kVertex_Visibility,
143 kVec2f_GrSLType, "uInset"); 143 kVec2f_GrSLType, "uInset");
144 144
145 builder->fsCodeAppendf("\t\tvec2 coord = %s;\n", coords.c_str()); 145 builder->fsCodeAppendf("\t\tvec2 coord = %s;\n", coords.c_str());
146 builder->fsCodeAppendf("\t\tvec2 zoom_coord = %s + %s / %s;\n", 146 builder->fsCodeAppendf("\t\tvec2 zoom_coord = %s + %s / %s;\n",
147 builder->getUniformCStr(fOffsetVar), 147 builder->getUniformCStr(fOffsetVar),
148 coords.c_str(), 148 coords.c_str(),
149 builder->getUniformCStr(fZoomVar)); 149 builder->getUniformCStr(fZoomVar));
150 150
151 builder->fsCodeAppend("\t\tvec2 delta = min(coord, vec2(1.0, 1.0) - coord);\ n"); 151 builder->fsCodeAppend("\t\tvec2 delta = min(coord, vec2(1.0, 1.0) - coord);\ n");
152 152
153 builder->fsCodeAppendf("\t\tdelta = delta / %s;\n", builder->getUniformCStr( fInsetVar)); 153 builder->fsCodeAppendf("\t\tdelta = delta / %s;\n", builder->getUniformCStr( fInsetVar));
154 154
155 builder->fsCodeAppend("\t\tfloat weight = 0.0;\n"); 155 builder->fsCodeAppend("\t\tfloat weight = 0.0;\n");
156 builder->fsCodeAppend("\t\tif (delta.s < 2.0 && delta.t < 2.0) {\n"); 156 builder->fsCodeAppend("\t\tif (delta.s < 2.0 && delta.t < 2.0) {\n");
157 builder->fsCodeAppend("\t\t\tdelta = vec2(2.0, 2.0) - delta;\n"); 157 builder->fsCodeAppend("\t\t\tdelta = vec2(2.0, 2.0) - delta;\n");
158 builder->fsCodeAppend("\t\t\tfloat dist = length(delta);\n"); 158 builder->fsCodeAppend("\t\t\tfloat dist = length(delta);\n");
159 builder->fsCodeAppend("\t\t\tdist = max(2.0 - dist, 0.0);\n"); 159 builder->fsCodeAppend("\t\t\tdist = max(2.0 - dist, 0.0);\n");
160 builder->fsCodeAppend("\t\t\tweight = min(dist * dist, 1.0);\n"); 160 builder->fsCodeAppend("\t\t\tweight = min(dist * dist, 1.0);\n");
161 builder->fsCodeAppend("\t\t} else {\n"); 161 builder->fsCodeAppend("\t\t} else {\n");
162 builder->fsCodeAppend("\t\t\tvec2 delta_squared = delta * delta;\n"); 162 builder->fsCodeAppend("\t\t\tvec2 delta_squared = delta * delta;\n");
163 builder->fsCodeAppend("\t\t\tweight = min(min(delta_squared.s, delta_squared .y), 1.0);\n"); 163 builder->fsCodeAppend("\t\t\tweight = min(min(delta_squared.s, delta_squared .y), 1.0);\n");
164 builder->fsCodeAppend("\t\t}\n"); 164 builder->fsCodeAppend("\t\t}\n");
165 165
166 builder->fsCodeAppend("\t\tvec2 mix_coord = mix(coord, zoom_coord, weight);\ n"); 166 builder->fsCodeAppend("\t\tvec2 mix_coord = mix(coord, zoom_coord, weight);\ n");
167 builder->fsCodeAppend("\t\tvec4 output_color = "); 167 builder->fsCodeAppend("\t\tvec4 output_color = ");
168 builder->appendTextureLookup(GrGLShaderBuilder::kFragment_ShaderType, sample rs[0], "mix_coord"); 168 builder->fsAppendTextureLookup(samplers[0], "mix_coord");
169 builder->fsCodeAppend(";\n"); 169 builder->fsCodeAppend(";\n");
170 170
171 builder->fsCodeAppendf("\t\t%s = output_color;", outputColor); 171 builder->fsCodeAppendf("\t\t%s = output_color;", outputColor);
172 SkString modulate; 172 SkString modulate;
173 GrGLSLMulVarBy4f(&modulate, 2, outputColor, inputColor); 173 GrGLSLMulVarBy4f(&modulate, 2, outputColor, inputColor);
174 builder->fsCodeAppend(modulate.c_str()); 174 builder->fsCodeAppend(modulate.c_str());
175 } 175 }
176 176
177 void GrGLMagnifierEffect::setData(const GrGLUniformManager& uman, 177 void GrGLMagnifierEffect::setData(const GrGLUniformManager& uman,
178 const GrDrawEffect& drawEffect) { 178 const GrDrawEffect& drawEffect) {
(...skipping 163 matching lines...) Expand 10 before | Expand all | Expand 10 after
342 342
343 int x_val = SkMin32(SkScalarFloorToInt(x_interp), width - 1); 343 int x_val = SkMin32(SkScalarFloorToInt(x_interp), width - 1);
344 int y_val = SkMin32(SkScalarFloorToInt(y_interp), height - 1); 344 int y_val = SkMin32(SkScalarFloorToInt(y_interp), height - 1);
345 345
346 *dptr = sptr[y_val * width + x_val]; 346 *dptr = sptr[y_val * width + x_val];
347 dptr++; 347 dptr++;
348 } 348 }
349 } 349 }
350 return true; 350 return true;
351 } 351 }
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