HeightToNormalNodeGlsl.h

//
// Copyright Contributors to the MaterialX Project
// SPDX-License-Identifier: Apache-2.0
//
 
#ifndef MATERIALX_HEIGHTTONORMALNODEGLSL_H
#define MATERIALX_HEIGHTTONORMALNODEGLSL_H
 
#include <MaterialXGenGlsl/Export.h>
 
#include <MaterialXGenShader/Nodes/ConvolutionNode.h>
 
MATERIALX_NAMESPACE_BEGIN

class MX_GENGLSL_API HeightToNormalNodeGlsl : public ConvolutionNode
{
  public:
    static ShaderNodeImplPtr create();
 
    void createVariables(const ShaderNode&, GenContext&, Shader& shader) const override;
 
    void emitFunctionDefinition(const ShaderNode& node, GenContext& context, ShaderStage& stage) const override;
    void emitFunctionCall(const ShaderNode& node, GenContext& context, ShaderStage& stage) const override;
 
    const string& getTarget() const override;
 
  protected:
    bool acceptsInputType(TypeDesc type) const override;

    void computeSampleOffsetStrings(const string& sampleSizeName, const string& offsetTypeString,
                                    unsigned int filterWidth, StringVec& offsetStrings) const override;
};
 
MATERIALX_NAMESPACE_END
 
#endif