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

Issue 1438003003: Move all ShaderBuilder files to GLSL (Closed) Base URL: https://skia.googlesource.com/skia.git@glslProgBuild
Patch Set: nits Created 5 years, 1 month 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"
11 #include "SkDevice.h" 11 #include "SkDevice.h"
12 #include "SkReadBuffer.h" 12 #include "SkReadBuffer.h"
13 #include "SkWriteBuffer.h" 13 #include "SkWriteBuffer.h"
14 #include "SkValidationUtils.h" 14 #include "SkValidationUtils.h"
15 15
16 //////////////////////////////////////////////////////////////////////////////// 16 ////////////////////////////////////////////////////////////////////////////////
17 #if SK_SUPPORT_GPU 17 #if SK_SUPPORT_GPU
18 #include "GrInvariantOutput.h" 18 #include "GrInvariantOutput.h"
19 #include "effects/GrSingleTextureEffect.h" 19 #include "effects/GrSingleTextureEffect.h"
20 #include "gl/GrGLFragmentProcessor.h" 20 #include "gl/GrGLFragmentProcessor.h"
21 #include "gl/GrGLTexture.h" 21 #include "gl/GrGLTexture.h"
22 #include "gl/builders/GrGLProgramBuilder.h" 22 #include "glsl/GrGLSLFragmentShaderBuilder.h"
23 #include "glsl/GrGLSLProgramBuilder.h"
23 #include "glsl/GrGLSLProgramDataManager.h" 24 #include "glsl/GrGLSLProgramDataManager.h"
24 25
25 class GrMagnifierEffect : public GrSingleTextureEffect { 26 class GrMagnifierEffect : public GrSingleTextureEffect {
26 27
27 public: 28 public:
28 static GrFragmentProcessor* Create(GrTexture* texture, 29 static GrFragmentProcessor* Create(GrTexture* texture,
29 const SkRect& bounds, 30 const SkRect& bounds,
30 float xOffset, 31 float xOffset,
31 float yOffset, 32 float yOffset,
32 float xInvZoom, 33 float xInvZoom,
(...skipping 81 matching lines...) Expand 10 before | Expand all | Expand 10 after
114 UniformHandle fBoundsVar; 115 UniformHandle fBoundsVar;
115 116
116 typedef GrGLFragmentProcessor INHERITED; 117 typedef GrGLFragmentProcessor INHERITED;
117 }; 118 };
118 119
119 GrGLMagnifierEffect::GrGLMagnifierEffect(const GrProcessor&) { 120 GrGLMagnifierEffect::GrGLMagnifierEffect(const GrProcessor&) {
120 } 121 }
121 122
122 void GrGLMagnifierEffect::emitCode(EmitArgs& args) { 123 void GrGLMagnifierEffect::emitCode(EmitArgs& args) {
123 fOffsetVar = args.fBuilder->addUniform( 124 fOffsetVar = args.fBuilder->addUniform(
124 GrGLProgramBuilder::kFragment_Visibility | 125 GrGLSLProgramBuilder::kFragment_Visibility,
125 GrGLProgramBuilder::kVertex_Visibility,
126 kVec2f_GrSLType, kDefault_GrSLPrecision, "Offset"); 126 kVec2f_GrSLType, kDefault_GrSLPrecision, "Offset");
127 fInvZoomVar = args.fBuilder->addUniform( 127 fInvZoomVar = args.fBuilder->addUniform(
128 GrGLProgramBuilder::kFragment_Visibility | 128 GrGLSLProgramBuilder::kFragment_Visibility,
129 GrGLProgramBuilder::kVertex_Visibility,
130 kVec2f_GrSLType, kDefault_GrSLPrecision, "InvZoom"); 129 kVec2f_GrSLType, kDefault_GrSLPrecision, "InvZoom");
131 fInvInsetVar = args.fBuilder->addUniform( 130 fInvInsetVar = args.fBuilder->addUniform(
132 GrGLProgramBuilder::kFragment_Visibility | 131 GrGLSLProgramBuilder::kFragment_Visibility,
133 GrGLProgramBuilder::kVertex_Visibility,
134 kVec2f_GrSLType, kDefault_GrSLPrecision, "InvInset"); 132 kVec2f_GrSLType, kDefault_GrSLPrecision, "InvInset");
135 fBoundsVar = args.fBuilder->addUniform( 133 fBoundsVar = args.fBuilder->addUniform(
136 GrGLProgramBuilder::kFragment_Visibility | 134 GrGLSLProgramBuilder::kFragment_Visibility,
137 GrGLProgramBuilder::kVertex_Visibility,
138 kVec4f_GrSLType, kDefault_GrSLPrecision, "Bounds"); 135 kVec4f_GrSLType, kDefault_GrSLPrecision, "Bounds");
139 136
140 GrGLFragmentBuilder* fsBuilder = args.fBuilder->getFragmentShaderBuilder(); 137 GrGLSLFragmentBuilder* fsBuilder = args.fBuilder->getFragmentShaderBuilder() ;
141 SkString coords2D = fsBuilder->ensureFSCoords2D(args.fCoords, 0); 138 SkString coords2D = fsBuilder->ensureFSCoords2D(args.fCoords, 0);
142 fsBuilder->codeAppendf("\t\tvec2 coord = %s;\n", coords2D.c_str()); 139 fsBuilder->codeAppendf("\t\tvec2 coord = %s;\n", coords2D.c_str());
143 fsBuilder->codeAppendf("\t\tvec2 zoom_coord = %s + %s * %s;\n", 140 fsBuilder->codeAppendf("\t\tvec2 zoom_coord = %s + %s * %s;\n",
144 args.fBuilder->getUniformCStr(fOffsetVar), 141 args.fBuilder->getUniformCStr(fOffsetVar),
145 coords2D.c_str(), 142 coords2D.c_str(),
146 args.fBuilder->getUniformCStr(fInvZoomVar)); 143 args.fBuilder->getUniformCStr(fInvZoomVar));
147 const char* bounds = args.fBuilder->getUniformCStr(fBoundsVar); 144 const char* bounds = args.fBuilder->getUniformCStr(fBoundsVar);
148 fsBuilder->codeAppendf("\t\tvec2 delta = (coord - %s.xy) * %s.zw;\n", bounds , bounds); 145 fsBuilder->codeAppendf("\t\tvec2 delta = (coord - %s.xy) * %s.zw;\n", bounds , bounds);
149 fsBuilder->codeAppendf("\t\tdelta = min(delta, vec2(1.0, 1.0) - delta);\n"); 146 fsBuilder->codeAppendf("\t\tdelta = min(delta, vec2(1.0, 1.0) - delta);\n");
150 fsBuilder->codeAppendf("\t\tdelta = delta * %s;\n", 147 fsBuilder->codeAppendf("\t\tdelta = delta * %s;\n",
(...skipping 222 matching lines...) Expand 10 before | Expand all | Expand 10 after
373 370
374 #ifndef SK_IGNORE_TO_STRING 371 #ifndef SK_IGNORE_TO_STRING
375 void SkMagnifierImageFilter::toString(SkString* str) const { 372 void SkMagnifierImageFilter::toString(SkString* str) const {
376 str->appendf("SkMagnifierImageFilter: ("); 373 str->appendf("SkMagnifierImageFilter: (");
377 str->appendf("src: (%f,%f,%f,%f) ", 374 str->appendf("src: (%f,%f,%f,%f) ",
378 fSrcRect.fLeft, fSrcRect.fTop, fSrcRect.fRight, fSrcRect.fBotto m); 375 fSrcRect.fLeft, fSrcRect.fTop, fSrcRect.fRight, fSrcRect.fBotto m);
379 str->appendf("inset: %f", fInset); 376 str->appendf("inset: %f", fInset);
380 str->append(")"); 377 str->append(")");
381 } 378 }
382 #endif 379 #endif
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