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  3. FUniformExpressionSet::AllocateFromUniformBuffer

FUniformExpressionSet::AllocateFromUniformBuffer

Allocates the specified number of float4s in the uniform buffer and returns the index of the first newly allocated float4 in the buffer.

API > API/Runtime > API/Runtime/Engine > API/Runtime/Engine/FUniformExpressionSet

Description

Allocates the specified number of float4s in the uniform buffer and returns the index of the first newly allocated float4 in the buffer. Note: multiply returned value by sizeof(float4) to know the byte offset in the buffer.

   
Name AllocateFromUniformBuffer
Type function
Header File /Engine/Source/Runtime/Engine/Public/MaterialShared.h
Include Path #include "MaterialShared.h"
Source /Engine/Source/Runtime/Engine/Private/Materials/MaterialUniformExpressions.cpp 
uint32 AllocateFromUniformBuffer  
(  
    uint32 NumOfFloat4s  
)

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