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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 "GrGLShaderBuilder.h" | 8 #include "GrGLShaderBuilder.h" |
9 #include "GrGLProgramBuilder.h" | 9 #include "GrGLProgramBuilder.h" |
10 #include "GrGLShaderStringBuilder.h" | 10 #include "GrGLShaderStringBuilder.h" |
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165 const char* swizzle) { | 165 const char* swizzle) { |
166 append_texture_lookup(&this->code(), | 166 append_texture_lookup(&this->code(), |
167 fProgramBuilder->gpu(), | 167 fProgramBuilder->gpu(), |
168 samplerName, | 168 samplerName, |
169 coordName, | 169 coordName, |
170 configComponentMask, | 170 configComponentMask, |
171 swizzle, | 171 swizzle, |
172 kVec2f_GrSLType); | 172 kVec2f_GrSLType); |
173 } | 173 } |
174 | 174 |
| 175 void GrGLShaderBuilder::addLayoutQualifier(const char* param, InterfaceQualifier
interface) { |
| 176 SkASSERT(fProgramBuilder->gpu()->glslGeneration() >= k330_GrGLSLGeneration); |
| 177 fLayoutParams[interface].push_back() = param; |
| 178 } |
| 179 |
| 180 void GrGLShaderBuilder::compileAndAppendLayoutQualifiers() { |
| 181 static const char* interfaceQualifierNames[] = { |
| 182 "out" |
| 183 }; |
| 184 |
| 185 for (int interface = 0; interface <= kLastInterfaceQualifier; ++interface) { |
| 186 const SkTArray<SkString>& params = fLayoutParams[interface]; |
| 187 if (params.empty()) { |
| 188 continue; |
| 189 } |
| 190 this->layoutQualifiers().appendf("layout(%s", params[0].c_str()); |
| 191 for (int i = 1; i < params.count(); ++i) { |
| 192 this->layoutQualifiers().appendf(", %s", params[i].c_str()); |
| 193 } |
| 194 this->layoutQualifiers().appendf(") %s;\n", interfaceQualifierNames[inte
rface]); |
| 195 } |
| 196 |
| 197 GR_STATIC_ASSERT(0 == GrGLShaderBuilder::kOut_InterfaceQualifier); |
| 198 GR_STATIC_ASSERT(SK_ARRAY_COUNT(interfaceQualifierNames) == kLastInterfaceQu
alifier + 1); |
| 199 } |
| 200 |
175 bool | 201 bool |
176 GrGLShaderBuilder::finalize(GrGLuint programId, GrGLenum type, SkTDArray<GrGLuin
t>* shaderIds) { | 202 GrGLShaderBuilder::finalize(GrGLuint programId, GrGLenum type, SkTDArray<GrGLuin
t>* shaderIds) { |
177 SkASSERT(!fFinalized); | 203 SkASSERT(!fFinalized); |
178 // append the 'footer' to code | 204 // append the 'footer' to code |
179 this->code().append("}"); | 205 this->code().append("}"); |
180 | 206 |
181 for (int i = 0; i <= fCodeIndex; i++) { | 207 for (int i = 0; i <= fCodeIndex; i++) { |
182 fCompilerStrings[i] = fShaderStrings[i].c_str(); | 208 fCompilerStrings[i] = fShaderStrings[i].c_str(); |
183 fCompilerStringLengths[i] = (int)fShaderStrings[i].size(); | 209 fCompilerStringLengths[i] = (int)fShaderStrings[i].size(); |
184 } | 210 } |
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195 fFinalized = true; | 221 fFinalized = true; |
196 | 222 |
197 if (!shaderId) { | 223 if (!shaderId) { |
198 return false; | 224 return false; |
199 } | 225 } |
200 | 226 |
201 *shaderIds->append() = shaderId; | 227 *shaderIds->append() = shaderId; |
202 | 228 |
203 return true; | 229 return true; |
204 } | 230 } |
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