WgslShaderGenerator.h

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//
// Copyright Contributors to the MaterialX Project
// SPDX-License-Identifier: Apache-2.0
//
 
#ifndef MATERIALX_WGSLSHADERGENERATOR_H
#define MATERIALX_WGSLSHADERGENERATOR_H

 
#include <MaterialXGenGlsl/VkShaderGenerator.h>
#include <MaterialXGenGlsl/WgslResourceBindingContext.h>
#include <MaterialXGenShader/GenContext.h>
 
MATERIALX_NAMESPACE_BEGIN
 
using WgslShaderGeneratorPtr = shared_ptr<class WgslShaderGenerator>;

class MX_GENGLSL_API WgslShaderGenerator : public VkShaderGenerator
{
  public:
    WgslShaderGenerator(TypeSystemPtr typeSystem);

    static ShaderGeneratorPtr create(TypeSystemPtr typeSystem = nullptr)
    {
        return std::make_shared<WgslShaderGenerator>(typeSystem ? typeSystem : TypeSystem::create());
    }
 
    void emitDirectives(GenContext& context, ShaderStage& stage) const override;
 
    const string& getLightDataTypevarString() const override { return LIGHTDATA_TYPEVAR_STRING; }
 
    void emitFunctionDefinitionParameter(const ShaderPort* shaderPort, bool isOutput, GenContext& context, ShaderStage& stage) const override;
 
    void emitInput(const ShaderInput* input, GenContext& context, ShaderStage& stage) const override;
 
  protected:
    static const string LIGHTDATA_TYPEVAR_STRING;
};
 
MATERIALX_NAMESPACE_END
 
#endif