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Side by Side Diff: src/gpu/glsl/GrGLSLShaderBuilder.cpp

Issue 2143143002: Add Texture2D and Sampler GrSLTypes (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: nits Created 4 years, 5 months ago
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1 /* 1 /*
2 * Copyright 2014 Google Inc. 2 * Copyright 2014 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 "GrSwizzle.h" 8 #include "GrSwizzle.h"
9 #include "glsl/GrGLSLShaderBuilder.h" 9 #include "glsl/GrGLSLShaderBuilder.h"
10 #include "glsl/GrGLSLCaps.h" 10 #include "glsl/GrGLSLCaps.h"
(...skipping 51 matching lines...) Expand 10 before | Expand all | Expand 10 after
62 this->functions().append("}\n\n"); 62 this->functions().append("}\n\n");
63 } 63 }
64 64
65 void GrGLSLShaderBuilder::appendTextureLookup(SkString* out, 65 void GrGLSLShaderBuilder::appendTextureLookup(SkString* out,
66 SamplerHandle samplerHandle, 66 SamplerHandle samplerHandle,
67 const char* coordName, 67 const char* coordName,
68 GrSLType varyingType) const { 68 GrSLType varyingType) const {
69 const GrGLSLCaps* glslCaps = fProgramBuilder->glslCaps(); 69 const GrGLSLCaps* glslCaps = fProgramBuilder->glslCaps();
70 const GrGLSLSampler& sampler = fProgramBuilder->getSampler(samplerHandle); 70 const GrGLSLSampler& sampler = fProgramBuilder->getSampler(samplerHandle);
71 GrSLType samplerType = sampler.type(); 71 GrSLType samplerType = sampler.type();
72 if (samplerType == kSampler2DRect_GrSLType) { 72 if (samplerType == kTexture2DRectSampler_GrSLType) {
73 if (varyingType == kVec2f_GrSLType) { 73 if (varyingType == kVec2f_GrSLType) {
74 out->appendf("%s(%s, textureSize(%s) * %s)", 74 out->appendf("%s(%s, textureSize(%s) * %s)",
75 GrGLSLTexture2DFunctionName(varyingType, samplerType, 75 GrGLSLTexture2DFunctionName(varyingType, samplerType,
76 glslCaps->generation()), 76 glslCaps->generation()),
77 sampler.getSamplerNameForTexture2D(), 77 sampler.getSamplerNameForTexture2D(),
78 sampler.getSamplerNameForTexture2D(), 78 sampler.getSamplerNameForTexture2D(),
79 coordName); 79 coordName);
80 } else { 80 } else {
81 out->appendf("%s(%s, vec3(textureSize(%s) * %s.xy, %s.z))", 81 out->appendf("%s(%s, vec3(textureSize(%s) * %s.xy, %s.z))",
82 GrGLSLTexture2DFunctionName(varyingType, samplerType, 82 GrGLSLTexture2DFunctionName(varyingType, samplerType,
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109 SkString lookup; 109 SkString lookup;
110 this->appendTextureLookup(&lookup, samplerHandle, coordName, varyingType); 110 this->appendTextureLookup(&lookup, samplerHandle, coordName, varyingType);
111 this->codeAppend((GrGLSLExpr4(modulation) * GrGLSLExpr4(lookup)).c_str()); 111 this->codeAppend((GrGLSLExpr4(modulation) * GrGLSLExpr4(lookup)).c_str());
112 } 112 }
113 113
114 void GrGLSLShaderBuilder::appendTexelFetch(SkString* out, 114 void GrGLSLShaderBuilder::appendTexelFetch(SkString* out,
115 SamplerHandle samplerHandle, 115 SamplerHandle samplerHandle,
116 const char* coordExpr) const { 116 const char* coordExpr) const {
117 const GrGLSLSampler& sampler = fProgramBuilder->getSampler(samplerHandle); 117 const GrGLSLSampler& sampler = fProgramBuilder->getSampler(samplerHandle);
118 SkASSERT(fProgramBuilder->glslCaps()->texelFetchSupport()); 118 SkASSERT(fProgramBuilder->glslCaps()->texelFetchSupport());
119 SkASSERT(GrSLTypeIsSamplerType(sampler.type())); 119 SkASSERT(GrSLTypeIsCombinedSamplerType(sampler.type()));
120 120
121 out->appendf("texelFetch(%s, %s)", sampler.getSamplerNameForTexelFetch(), co ordExpr); 121 out->appendf("texelFetch(%s, %s)", sampler.getSamplerNameForTexelFetch(), co ordExpr);
122 122
123 this->appendTextureSwizzle(out, sampler.config()); 123 this->appendTextureSwizzle(out, sampler.config());
124 } 124 }
125 125
126 void GrGLSLShaderBuilder::appendTexelFetch(SamplerHandle samplerHandle, const ch ar* coordExpr) { 126 void GrGLSLShaderBuilder::appendTexelFetch(SamplerHandle samplerHandle, const ch ar* coordExpr) {
127 this->appendTexelFetch(&this->code(), samplerHandle, coordExpr); 127 this->appendTexelFetch(&this->code(), samplerHandle, coordExpr);
128 } 128 }
129 129
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190 // append the 'footer' to code 190 // append the 'footer' to code
191 this->code().append("}"); 191 this->code().append("}");
192 192
193 for (int i = 0; i <= fCodeIndex; i++) { 193 for (int i = 0; i <= fCodeIndex; i++) {
194 fCompilerStrings[i] = fShaderStrings[i].c_str(); 194 fCompilerStrings[i] = fShaderStrings[i].c_str();
195 fCompilerStringLengths[i] = (int)fShaderStrings[i].size(); 195 fCompilerStringLengths[i] = (int)fShaderStrings[i].size();
196 } 196 }
197 197
198 fFinalized = true; 198 fFinalized = true;
199 } 199 }
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