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UnrealEngine/Engine/Source/ThirdParty/MaterialX/MaterialX-1.38.10/source/MaterialXGenGlsl/Nodes/NumLightsNodeGlsl.h
2025-05-18 13:04:45 +08:00

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//
// Copyright Contributors to the MaterialX Project
// SPDX-License-Identifier: Apache-2.0
//
#ifndef MATERIALX_NUMLIGHTSNODEGLSL_H
#define MATERIALX_NUMLIGHTSNODEGLSL_H
#include <MaterialXGenGlsl/GlslShaderGenerator.h>
MATERIALX_NAMESPACE_BEGIN
/// Utility node for getting number of active lights for GLSL.
class MX_GENGLSL_API NumLightsNodeGlsl : public GlslImplementation
{
public:
NumLightsNodeGlsl();
static ShaderNodeImplPtr create();
void createVariables(const ShaderNode& node, GenContext& context, Shader& shader) const override;
void emitFunctionDefinition(const ShaderNode& node, GenContext& context, ShaderStage& stage) const override;
};
MATERIALX_NAMESPACE_END
#endif