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> Unreal Engine API Reference > Developer > ShaderFormatOpenGL > FGlslCodeBackend > FGlslCodeBackend::GenerateMain

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FGlslCodeBackend::GenerateMain

Generate a GLSL main() function that calls the entry point and handles reading and writing all input and output semantics.

Windows

MacOS

Linux

References

Module	ShaderFormatOpenGL
Header	/Engine/Source/Developer/ShaderFormatOpenGL/Public/GlslBackend.h
Include	#include "GlslBackend.h"
Source	/Engine/Source/Developer/ShaderFormatOpenGL/Private/GlslBackend.cpp

Syntax

virtual bool GenerateMain
(
    EHlslShaderFrequency Frequency,
    const char * EntryPoint,
    exec_list * Instructions,
    _mesa_glsl_parse_state * ParseState
)

Remarks

Generate a GLSL main() function that calls the entry point and handles reading and writing all input and output semantics.

Parameters

Parameter	Description
Frequency	The shader frequency.
EntryPoint	The name of the shader entry point.
Instructions	IR code.
ParseState	Parse state.

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