FOpenGLShaderParameterCache | Unreal Engine 5.7 Documentation

Caching of OpenGL uniform parameters.


Name	FOpenGLShaderParameterCache
Type	class
Header File	/Engine/Source/Runtime/OpenGLDrv/Public/OpenGLShaderResources.h
Include Path	#include "OpenGLShaderResources.h"

Syntax

class FOpenGLShaderParameterCache

Name	Remarks	Include Path	Unreal Specifiers
FOpenGLShaderParameterCache()	Constructor.	OpenGLShaderResources.h

Name	Remarks	Include Path	Unreal Specifiers
~FOpenGLShaderParameterCache()	Destructor.	OpenGLShaderResources.h

Name	Remarks
FRange

Name	Type	Remarks	Include Path
GlobalUniformArraySize	int32	In bytes	OpenGLShaderResources.h
PackedGlobalUniformDirty	FRange	Dirty ranges for each uniform array.	OpenGLShaderResources.h
PackedGlobalUniforms	uint8 *	CPU memory block for storing uniform values.	OpenGLShaderResources.h
PackedUniformsScratch	uint8 *	Scratch CPU memory block for uploading packed uniforms.	OpenGLShaderResources.h

Name	Remarks	Include Path
void CommitPackedGlobals ( const FOpenGLLinkedProgram* LinkedProgram, CrossCompiler::EShaderStage Stage )	Commit shader parameters to the currently bound program.	OpenGLShaderResources.h
void CommitPackedUniformBuffers ( FOpenGLLinkedProgram* LinkedProgram, CrossCompiler::EShaderStage Stage, FRHIUniformBuffer** UniformBuffers, const TArray< CrossCompiler::FUniformBufferCopyInfo >& UniformBuffersCopyInfo )		OpenGLShaderResources.h
void InitializeResources ( int32 UniformArraySize )		OpenGLShaderResources.h
void MarkAllDirty()	Marks all uniform arrays as dirty.	OpenGLShaderResources.h
void Set ( uint32 BufferIndex, uint32 ByteOffset, uint32 NumBytes, const void* NewValues )	Sets values directly into the packed uniform arraySet parameter values.	OpenGLShaderResources.h