CachedGeometry.h

Go to the documentation of this file.

// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma  once
 
#include "CoreMinimal.h"
#include "RHI.h"
#include "RenderGraphDefinitions.h"
 
struct FCachedGeometry
{
    struct Section
    {
        FRDGBufferSRVRef RDGPositionBuffer = nullptr;
        FRDGBufferSRVRef RDGPreviousPositionBuffer = nullptr;
        FRDGBufferSRVRef RDGTangentBuffer = nullptr;
 
        FRHIShaderResourceView* PositionBuffer = nullptr;           // Valid when the input comes from the GPUSkinCache (since it is doesn't use RDG)
        FRHIShaderResourceView* PreviousPositionBuffer = nullptr;   // Valid when the input comes from the GPUSkinCache (since it is doesn't use RDG)
        FRHIShaderResourceView* TangentBuffer = nullptr;            // Valid when the input comes from the GPUSkinCache (since it is doesn't use RDG)
        
        FRHIShaderResourceView* UVsBuffer = nullptr;
        FRHIShaderResourceView* IndexBuffer = nullptr;
        
        uint32 UVsChannelOffset = 0;
        uint32 UVsChannelCount = 0;
        uint32 NumPrimitives = 0;
        uint32 NumVertices = 0;
        uint32 VertexBaseIndex = 0;
        uint32 IndexBaseIndex = 0;
        uint32 TotalVertexCount = 0;
        uint32 TotalIndexCount = 0;
        uint32 SectionIndex = 0;
        int32 LODIndex = -1;
        int32 TangentFormat = 0;  // 0: Interleaved TangentX/TangentZ, 1: TangentZ only
    };
 
    int32 LODIndex = -1;
    TArray<Section> Sections;
    FTransform LocalToWorld = FTransform::Identity;
};