| /* |
| * Copyright 2015 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "GrGLPathProgramBuilder.h" |
| #include "gl/GrGLGpu.h" |
| #include "gl/GrGLPathProgram.h" |
| |
| #define GL_CALL(X) GR_GL_CALL(this->gpu()->glInterface(), X) |
| #define GL_CALL_RET(R, X) GR_GL_CALL_RET(this->gpu()->glInterface(), R, X) |
| |
| GrGLPathProgramBuilder::GrGLPathProgramBuilder(GrGLGpu* gpu, const DrawArgs& args) |
| : INHERITED(gpu, args) |
| , fSeparableVaryingInfos(kVarsPerBlock) { |
| } |
| |
| GrGLProgram* GrGLPathProgramBuilder::createProgram(GrGLuint programID) { |
| return SkNEW_ARGS(GrGLPathProgram, (fGpu, this->desc(), fUniformHandles, programID, |
| fUniforms, |
| fSeparableVaryingInfos, |
| fGeometryProcessor, |
| fXferProcessor, fFragmentProcessors.get(), |
| &fSamplerUniforms)); |
| } |
| |
| GrGLProgramBuilder::SeparableVaryingHandle GrGLPathProgramBuilder::addSeparableVarying( |
| const char* name, GrGLVertToFrag* v, GrSLPrecision fsPrecision) { |
| this->addVarying(name, v, fsPrecision); |
| SeparableVaryingInfo& varyingInfo = fSeparableVaryingInfos.push_back(); |
| varyingInfo.fVariable = this->getFragmentShaderBuilder()->fInputs.back(); |
| varyingInfo.fLocation = fSeparableVaryingInfos.count() - 1; |
| return SeparableVaryingHandle::CreateFromSeparableVaryingIndex(varyingInfo.fLocation); |
| } |
| |
| void GrGLPathProgramBuilder::resolveProgramResourceLocations(GrGLuint programID) { |
| this->INHERITED::resolveProgramResourceLocations(programID); |
| |
| int count = fSeparableVaryingInfos.count(); |
| for (int i = 0; i < count; ++i) { |
| GrGLint location; |
| GL_CALL_RET(location, |
| GetProgramResourceLocation(programID, |
| GR_GL_FRAGMENT_INPUT, |
| fSeparableVaryingInfos[i].fVariable.c_str())); |
| fSeparableVaryingInfos[i].fLocation = location; |
| } |
| } |