SurfaceNodeMsl.h

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//
// Copyright Contributors to the MaterialX Project
// SPDX-License-Identifier: Apache-2.0
//

#ifndef MATERIALX_SURFACENODEMSL_H
#define MATERIALX_SURFACENODEMSL_H

#include <MaterialXGenMsl/Export.h>
#include <MaterialXGenMsl/MslShaderGenerator.h>

MATERIALX_NAMESPACE_BEGIN

/// Surface node implementation for MSL
class MX_GENMSL_API SurfaceNodeMsl : public MslImplementation
{
  public:
    SurfaceNodeMsl();

    static ShaderNodeImplPtr create();

    void createVariables(const ShaderNode& node, GenContext& context, Shader& shader) const override;

    void emitFunctionCall(const ShaderNode& node, GenContext& context, ShaderStage& stage) const override;

    virtual void emitLightLoop(const ShaderNode& node, GenContext& context, ShaderStage& stage, const string& outColor) const;

  protected:
    /// Closure contexts for calling closure functions.
    mutable ClosureContext _callReflection;
    mutable ClosureContext _callTransmission;
    mutable ClosureContext _callIndirect;
    mutable ClosureContext _callEmission;
};

MATERIALX_NAMESPACE_END

#endif