Function copySubresource
Synopsis
#include <Source/Falcor/Core/API/CopyContext.h>
void copySubresource(const Texture *pDst, uint32_t dstSubresourceIdx, const Texture *pSrc, uint32_t srcSubresourceIdx)
Description
Copy a subresource
Source
Lines 287-305 in Source/Falcor/Core/API/D3D12/D3D12CopyContext.cpp. Line 99 in Source/Falcor/Core/API/CopyContext.h.
void CopyContext::copySubresource(const Texture* pDst, uint32_t dstSubresourceIdx, const Texture* pSrc, uint32_t srcSubresourceIdx)
{
resourceBarrier(pDst, Resource::State::CopyDest);
resourceBarrier(pSrc, Resource::State::CopySource);
D3D12_TEXTURE_COPY_LOCATION pSrcCopyLoc;
D3D12_TEXTURE_COPY_LOCATION pDstCopyLoc;
pDstCopyLoc.pResource = pDst->getApiHandle();
pDstCopyLoc.Type = D3D12_TEXTURE_COPY_TYPE_SUBRESOURCE_INDEX;
pDstCopyLoc.SubresourceIndex = dstSubresourceIdx;
pSrcCopyLoc.pResource = pSrc->getApiHandle();
pSrcCopyLoc.Type = D3D12_TEXTURE_COPY_TYPE_SUBRESOURCE_INDEX;
pSrcCopyLoc.SubresourceIndex = srcSubresourceIdx;
mpLowLevelData->getCommandList()->CopyTextureRegion(&pDstCopyLoc, 0, 0, 0, &pSrcCopyLoc, NULL);
mCommandsPending = true;
}