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/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrGLVertexShader_DEFINED
#define GrGLVertexShader_DEFINED
#include "GrGLShaderBuilder.h"
#include "GrGeometryProcessor.h"
class GrGLSLVarying;
class GrGLVertexBuilder : public GrGLShaderBuilder {
public:
GrGLVertexBuilder(GrGLSLProgramBuilder* program);
void transformToNormalizedDeviceSpace(const GrShaderVar& posVar);
void emitAttributes(const GrGeometryProcessor& gp);
void addAttribute(const GrGeometryProcessor::Attribute* attr) {
this->addAttribute(GrShaderVar(attr->fName,
GrVertexAttribTypeToSLType(attr->fType),
GrShaderVar::kAttribute_TypeModifier,
GrShaderVar::kNonArray,
attr->fPrecision));
}
private:
/*
* Internal call for GrGLProgramBuilder.addVarying
*/
void addVarying(const char* name, GrSLPrecision, GrGLSLVarying*);
// an internal call which checks for uniquness of a var before adding it to the list of inputs
bool addAttribute(const GrShaderVar& var);
void onFinalize() override {}
const char* fRtAdjustName;
friend class GrGLProgramBuilder;
typedef GrGLShaderBuilder INHERITED;
};
#endif
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