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Side by Side Diff: src/gpu/effects/GrTextureDomain.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 Google Inc. 2 * Copyright 2012 Google Inc.
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 "GrTextureDomain.h" 8 #include "GrTextureDomain.h"
9 #include "GrInvariantOutput.h" 9 #include "GrInvariantOutput.h"
10 #include "GrSimpleTextureEffect.h" 10 #include "GrSimpleTextureEffect.h"
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35 fDomain.fRight = SkScalarPin(domain.fRight, kFullRect.fLeft, kFullRect.f Right); 35 fDomain.fRight = SkScalarPin(domain.fRight, kFullRect.fLeft, kFullRect.f Right);
36 fDomain.fTop = SkScalarPin(domain.fTop, kFullRect.fTop, kFullRect.fBotto m); 36 fDomain.fTop = SkScalarPin(domain.fTop, kFullRect.fTop, kFullRect.fBotto m);
37 fDomain.fBottom = SkScalarPin(domain.fBottom, kFullRect.fTop, kFullRect. fBottom); 37 fDomain.fBottom = SkScalarPin(domain.fBottom, kFullRect.fTop, kFullRect. fBottom);
38 SkASSERT(fDomain.fLeft <= fDomain.fRight); 38 SkASSERT(fDomain.fLeft <= fDomain.fRight);
39 SkASSERT(fDomain.fTop <= fDomain.fBottom); 39 SkASSERT(fDomain.fTop <= fDomain.fBottom);
40 } 40 }
41 } 41 }
42 42
43 ////////////////////////////////////////////////////////////////////////////// 43 //////////////////////////////////////////////////////////////////////////////
44 44
45 void GrTextureDomain::GLDomain::sampleTexture(GrGLShaderBuilder* builder, 45 void GrTextureDomain::GLDomain::sampleTexture(GrGLSLShaderBuilder* builder,
46 const GrTextureDomain& textureDoma in, 46 const GrTextureDomain& textureDoma in,
47 const char* outColor, 47 const char* outColor,
48 const SkString& inCoords, 48 const SkString& inCoords,
49 const GrGLSLTextureSampler& sample r, 49 const GrGLSLTextureSampler& sample r,
50 const char* inModulateColor) { 50 const char* inModulateColor) {
51 SkASSERT((Mode)-1 == fMode || textureDomain.mode() == fMode); 51 SkASSERT((Mode)-1 == fMode || textureDomain.mode() == fMode);
52 SkDEBUGCODE(fMode = textureDomain.mode();) 52 SkDEBUGCODE(fMode = textureDomain.mode();)
53 53
54 GrGLSLProgramBuilder* program = builder->getProgramBuilder(); 54 GrGLSLProgramBuilder* program = builder->getProgramBuilder();
55 55
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79 inCoords.c_str(), fDomainName.c_str(), fDomain Name.c_str()); 79 inCoords.c_str(), fDomainName.c_str(), fDomain Name.c_str());
80 80
81 builder->codeAppendf("%s = ", outColor); 81 builder->codeAppendf("%s = ", outColor);
82 builder->appendTextureLookupAndModulate(inModulateColor, sampler, 82 builder->appendTextureLookupAndModulate(inModulateColor, sampler,
83 clampedCoords.c_str()); 83 clampedCoords.c_str());
84 builder->codeAppend(";"); 84 builder->codeAppend(";");
85 break; 85 break;
86 } 86 }
87 case kDecal_Mode: { 87 case kDecal_Mode: {
88 // Add a block since we're going to declare variables. 88 // Add a block since we're going to declare variables.
89 GrGLShaderBuilder::ShaderBlock block(builder); 89 GrGLSLShaderBuilder::ShaderBlock block(builder);
90 90
91 const char* domain = fDomainName.c_str(); 91 const char* domain = fDomainName.c_str();
92 if (!program->glslCaps()->canUseAnyFunctionInShader()) { 92 if (!program->glslCaps()->canUseAnyFunctionInShader()) {
93 // On the NexusS and GalaxyNexus, the other path (with the 'any' 93 // On the NexusS and GalaxyNexus, the other path (with the 'any'
94 // call) causes the compilation error "Calls to any function tha t 94 // call) causes the compilation error "Calls to any function tha t
95 // may require a gradient calculation inside a conditional block 95 // may require a gradient calculation inside a conditional block
96 // may return undefined results". This appears to be an issue wi th 96 // may return undefined results". This appears to be an issue wi th
97 // the 'any' call since even the simple "result=black; if (any() ) 97 // the 'any' call since even the simple "result=black; if (any() )
98 // result=white;" code fails to compile. 98 // result=white;" code fails to compile.
99 builder->codeAppend("vec4 outside = vec4(0.0, 0.0, 0.0, 0.0);"); 99 builder->codeAppend("vec4 outside = vec4(0.0, 0.0, 0.0, 0.0);");
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189 typedef GrGLFragmentProcessor INHERITED; 189 typedef GrGLFragmentProcessor INHERITED;
190 }; 190 };
191 191
192 GrGLTextureDomainEffect::GrGLTextureDomainEffect(const GrProcessor&) { 192 GrGLTextureDomainEffect::GrGLTextureDomainEffect(const GrProcessor&) {
193 } 193 }
194 194
195 void GrGLTextureDomainEffect::emitCode(EmitArgs& args) { 195 void GrGLTextureDomainEffect::emitCode(EmitArgs& args) {
196 const GrTextureDomainEffect& textureDomainEffect = args.fFp.cast<GrTextureDo mainEffect>(); 196 const GrTextureDomainEffect& textureDomainEffect = args.fFp.cast<GrTextureDo mainEffect>();
197 const GrTextureDomain& domain = textureDomainEffect.textureDomain(); 197 const GrTextureDomain& domain = textureDomainEffect.textureDomain();
198 198
199 GrGLFragmentBuilder* fsBuilder = args.fBuilder->getFragmentShaderBuilder(); 199 GrGLSLFragmentBuilder* fsBuilder = args.fBuilder->getFragmentShaderBuilder() ;
200 SkString coords2D = fsBuilder->ensureFSCoords2D(args.fCoords, 0); 200 SkString coords2D = fsBuilder->ensureFSCoords2D(args.fCoords, 0);
201 fGLDomain.sampleTexture(fsBuilder, domain, args.fOutputColor, coords2D, args .fSamplers[0], 201 fGLDomain.sampleTexture(fsBuilder, domain, args.fOutputColor, coords2D, args .fSamplers[0],
202 args.fInputColor); 202 args.fInputColor);
203 } 203 }
204 204
205 void GrGLTextureDomainEffect::onSetData(const GrGLSLProgramDataManager& pdman, 205 void GrGLTextureDomainEffect::onSetData(const GrGLSLProgramDataManager& pdman,
206 const GrProcessor& processor) { 206 const GrProcessor& processor) {
207 const GrTextureDomainEffect& textureDomainEffect = processor.cast<GrTextureD omainEffect>(); 207 const GrTextureDomainEffect& textureDomainEffect = processor.cast<GrTextureD omainEffect>();
208 const GrTextureDomain& domain = textureDomainEffect.textureDomain(); 208 const GrTextureDomain& domain = textureDomainEffect.textureDomain();
209 fGLDomain.setData(pdman, domain, processor.texture(0)->origin()); 209 fGLDomain.setData(pdman, domain, processor.texture(0)->origin());
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292 bool bilerp = mode != GrTextureDomain::kRepeat_Mode ? d->fRandom->nextBool() : false; 292 bool bilerp = mode != GrTextureDomain::kRepeat_Mode ? d->fRandom->nextBool() : false;
293 GrCoordSet coords = d->fRandom->nextBool() ? kLocal_GrCoordSet : kDevice_GrC oordSet; 293 GrCoordSet coords = d->fRandom->nextBool() ? kLocal_GrCoordSet : kDevice_GrC oordSet;
294 return GrTextureDomainEffect::Create( 294 return GrTextureDomainEffect::Create(
295 d->fTextures[texIdx], 295 d->fTextures[texIdx],
296 matrix, 296 matrix,
297 domain, 297 domain,
298 mode, 298 mode,
299 bilerp ? GrTextureParams::kBilerp_FilterMode : GrTextureParams::kNone_Fi lterMode, 299 bilerp ? GrTextureParams::kBilerp_FilterMode : GrTextureParams::kNone_Fi lterMode,
300 coords); 300 coords);
301 } 301 }
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