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  3. FGlslCodeBackend

FGlslCodeBackend

Generates GLSL compliant code from IR tokens.

Unreal Engine C++ API Reference > Developer > ShaderFormatOpenGL

Inheritance Hierarchy

  • FCodeBackend
  • FGlslCodeBackend

References

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

Syntax

struct FGlslCodeBackend : public FCodeBackend

Remarks

Generates GLSL compliant code from IR tokens.

Variables

  Type Name Description
Public variable bool bExplicitDepthWrites  

Constructors

  Type Name Description
Public function  

FGlslCodeBackend ( unsigned int InHlslCompileFlags,
EHlslCompileTarget InTarget
)

  

Functions

  Type Name Description
Public function Virtual bool  
Public function Virtual bool Subclass functionality
Public function Virtual bool

ApplyAndVerifyPlatformRestrictions ( exec_list* Instructions,
_mesa_glsl_parse_state* ParseState,
EHlslShaderFrequency Frequency
)

 Return false if there were restrictions that made compilation fail.
Public function ir_function_signature *

FindPatchConstantFunction ( exec_list* Instructions,
_mesa_glsl_parse_state* ParseState
)

  
Public function Virtual char *

GenerateCode ( exec_list* ir,
_mesa_glsl_parse_state* ParseState,
EHlslShaderFrequency Frequency
)

  
Public function Virtual bool

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

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

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