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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 new GrGLPathProgram(fGpu, this->desc(), fUniformHandles, programID, f
Uniforms, | |
| 22 fSeparableVaryingInfos, fGeometryProcessor, fXfer
Processor, | |
| 23 fFragmentProcessors.get(), &fSamplerUniforms); | |
| 24 } | |
| 25 | |
| 26 GrGLProgramBuilder::SeparableVaryingHandle GrGLPathProgramBuilder::addSeparableV
arying( | |
| 27 const char* name, GrGLVertToFrag* v, GrSLPrecision fsPrecision) { | |
| 28 this->addVarying(name, v, fsPrecision); | |
| 29 SeparableVaryingInfo& varyingInfo = fSeparableVaryingInfos.push_back(); | |
| 30 varyingInfo.fVariable = this->getFragmentShaderBuilder()->fInputs.back(); | |
| 31 varyingInfo.fLocation = fSeparableVaryingInfos.count() - 1; | |
| 32 return SeparableVaryingHandle(varyingInfo.fLocation); | |
| 33 } | |
| 34 | |
| 35 void GrGLPathProgramBuilder::bindProgramResourceLocations(GrGLuint programID) { | |
| 36 this->INHERITED::bindProgramResourceLocations(programID); | |
| 37 if (!fGpu->glPathRendering()->shouldBindFragmentInputs()) { | |
| 38 return; | |
| 39 } | |
| 40 int count = fSeparableVaryingInfos.count(); | |
| 41 for (int i = 0; i < count; ++i) { | |
| 42 GL_CALL(BindFragmentInputLocation(programID, | |
| 43 i, | |
| 44 fSeparableVaryingInfos[i].fVariable.c_
str())); | |
| 45 fSeparableVaryingInfos[i].fLocation = i; | |
| 46 } | |
| 47 } | |
| 48 | |
| 49 void GrGLPathProgramBuilder::resolveProgramResourceLocations(GrGLuint programID)
{ | |
| 50 this->INHERITED::resolveProgramResourceLocations(programID); | |
| 51 if (fGpu->glPathRendering()->shouldBindFragmentInputs()) { | |
| 52 return; | |
| 53 } | |
| 54 int count = fSeparableVaryingInfos.count(); | |
| 55 for (int i = 0; i < count; ++i) { | |
| 56 GrGLint location; | |
| 57 GL_CALL_RET(location, | |
| 58 GetProgramResourceLocation(programID, | |
| 59 GR_GL_FRAGMENT_INPUT, | |
| 60 fSeparableVaryingInfos[i].fVariab
le.c_str())); | |
| 61 fSeparableVaryingInfos[i].fLocation = location; | |
| 62 } | |
| 63 } | |
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