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| 1 /* |
| 2 * Copyright 2015 Google Inc. |
| 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. |
| 6 */ |
| 7 |
| 8 #include "GrGLPathProgramBuilder.h" |
| 9 #include "gl/GrGLGpu.h" |
| 10 #include "gl/GrGLPathProgram.h" |
| 11 |
| 12 #define GL_CALL(X) GR_GL_CALL(this->gpu()->glInterface(), X) |
| 13 #define GL_CALL_RET(R, X) GR_GL_CALL_RET(this->gpu()->glInterface(), R, X) |
| 14 |
| 15 GrGLPathProgramBuilder::GrGLPathProgramBuilder(GrGLGpu* gpu, const DrawArgs& arg
s) |
| 16 : INHERITED(gpu, args) |
| 17 , fSeparableVaryingInfos(kVarsPerBlock) { |
| 18 } |
| 19 |
| 20 GrGLProgram* GrGLPathProgramBuilder::createProgram(GrGLuint programID) { |
| 21 return SkNEW_ARGS(GrGLPathProgram, (fGpu, this->desc(), fUniformHandles, pro
gramID, |
| 22 fUniforms, |
| 23 fSeparableVaryingInfos, |
| 24 fGeometryProcessor, |
| 25 fXferProcessor, fFragmentProcessors.get(
), |
| 26 &fSamplerUniforms)); |
| 27 } |
| 28 |
| 29 GrGLProgramBuilder::SeparableVaryingHandle GrGLPathProgramBuilder::addSeparableV
arying( |
| 30 const char* name, GrGLVertToFrag* v, GrSLPrecision fsPrecision) { |
| 31 this->addVarying(name, v, fsPrecision); |
| 32 SeparableVaryingInfo& varyingInfo = fSeparableVaryingInfos.push_back(); |
| 33 varyingInfo.fVariable = this->getFragmentShaderBuilder()->fInputs.back(); |
| 34 varyingInfo.fLocation = fSeparableVaryingInfos.count() - 1; |
| 35 return SeparableVaryingHandle::CreateFromSeparableVaryingIndex(varyingInfo.f
Location); |
| 36 } |
| 37 |
| 38 void GrGLPathProgramBuilder::resolveProgramResourceLocations(GrGLuint programID)
{ |
| 39 this->INHERITED::resolveProgramResourceLocations(programID); |
| 40 |
| 41 int count = fSeparableVaryingInfos.count(); |
| 42 for (int i = 0; i < count; ++i) { |
| 43 GrGLint location; |
| 44 GL_CALL_RET(location, |
| 45 GetProgramResourceLocation(programID, |
| 46 GR_GL_FRAGMENT_INPUT, |
| 47 fSeparableVaryingInfos[i].fVariab
le.c_str())); |
| 48 fSeparableVaryingInfos[i].fLocation = location; |
| 49 } |
| 50 } |
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