| /* |
| * Copyright 2014 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "GrGLGeometryShaderBuilder.h" |
| #include "GrGLProgramBuilder.h" |
| #include "../GrGLGpu.h" |
| |
| GrGLGeometryBuilder::GrGLGeometryBuilder(GrGLProgramBuilder* program) |
| : INHERITED(program) { |
| |
| } |
| |
| void GrGLGeometryBuilder::addVarying(const char* name, GrGLVarying* v) { |
| // if we have a GS take each varying in as an array |
| // and output as non-array. |
| if (v->vsVarying()) { |
| fInputs.push_back(); |
| fInputs.back().setType(v->fType); |
| fInputs.back().setTypeModifier(GrGLShaderVar::kVaryingIn_TypeModifier); |
| fInputs.back().setUnsizedArray(); |
| *fInputs.back().accessName() = v->fVsOut; |
| v->fGsIn = v->fVsOut; |
| } |
| |
| if (v->fsVarying()) { |
| fOutputs.push_back(); |
| fOutputs.back().setType(v->fType); |
| fOutputs.back().setTypeModifier(GrGLShaderVar::kVaryingOut_TypeModifier); |
| fProgramBuilder->nameVariable(fOutputs.back().accessName(), 'g', name); |
| v->fGsOut = fOutputs.back().getName().c_str(); |
| } |
| } |
| |
| bool GrGLGeometryBuilder::compileAndAttachShaders(GrGLuint programId, |
| SkTDArray<GrGLuint>* shaderIds) { |
| SkFAIL("Geometry shaders are not currently supported"); |
| return false; |
| } |