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This represents UE4/Main @ 14768117 For ReleaseObjectVersion.h #lockdown Marcus.Wassmer [CL 14811440 by Marc Audy in ue5-main branch]
79 lines
2.2 KiB
C++
79 lines
2.2 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "TextureShareD3D11Helper.h"
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bool FTextureShareD3D11Helper::IsTexturesEqual(ID3D11Texture2D* Texture1, ID3D11Texture2D* Texture2)
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{
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if (Texture1 && Texture2)
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{
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D3D11_TEXTURE2D_DESC Desc1, Desc2;
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Texture1->GetDesc(&Desc1);
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Texture2->GetDesc(&Desc2);
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return (Desc1.Width == Desc2.Width) && (Desc1.Height == Desc2.Height) && (Desc1.Format == Desc2.Format);
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}
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return false;
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}
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bool FTextureShareD3D11Helper::CreateSRVTexture(ID3D11Device* pD3D11Device, ID3D11Texture2D* InSharedTexture, ID3D11Texture2D** OutTexture, ID3D11ShaderResourceView** OutShaderResourceView)
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{
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if (!InSharedTexture || !pD3D11Device)
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{
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return false;
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}
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D3D11_TEXTURE2D_DESC SharedTextureDesc;
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InSharedTexture->GetDesc(&SharedTextureDesc);
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D3D11_TEXTURE2D_DESC SRVTextureDesc = {};
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// Use size&format from shared texture
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SRVTextureDesc.Format = SharedTextureDesc.Format;
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SRVTextureDesc.Width = SharedTextureDesc.Width;
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SRVTextureDesc.Height = SharedTextureDesc.Height;
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SRVTextureDesc.BindFlags = D3D11_BIND_SHADER_RESOURCE;
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SRVTextureDesc.MipLevels = 1;
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SRVTextureDesc.ArraySize = 1;
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SRVTextureDesc.SampleDesc.Count = 1;
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SRVTextureDesc.SampleDesc.Quality = 0;
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SRVTextureDesc.CPUAccessFlags = 0;
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SRVTextureDesc.MiscFlags = 0;
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SRVTextureDesc.Usage = D3D11_USAGE_DEFAULT;
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// Create texture for SRV
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HRESULT hResult = pD3D11Device->CreateTexture2D(&SRVTextureDesc, nullptr, OutTexture);
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if (SUCCEEDED(hResult))
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{
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// Create SRV
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D3D11_SHADER_RESOURCE_VIEW_DESC srDesc;
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srDesc.Format = SharedTextureDesc.Format;
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srDesc.Texture2D.MostDetailedMip = 0;
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srDesc.Texture2D.MipLevels = 1;
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srDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2D;
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hResult = pD3D11Device->CreateShaderResourceView(*OutTexture, &srDesc, OutShaderResourceView);
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}
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return SUCCEEDED(hResult);
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}
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bool FTextureShareD3D11Helper::CopyResource(ID3D11Device* pD3D11Device, ID3D11Resource* SourceTexture2D, ID3D11Resource* DestTexture2D)
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{
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ID3D11DeviceContext* D3D11DeviceContext;
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pD3D11Device->GetImmediateContext(&D3D11DeviceContext);
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if (D3D11DeviceContext)
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{
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D3D11DeviceContext->CopyResource(DestTexture2D, SourceTexture2D);
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D3D11DeviceContext->Release();
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return true;
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}
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return false;
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}
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