Method copyResource

Source/Falcor/Core/API/CopyContext.cpp:487–524

}

void CopyContext::copyResource(const Resource* pDst, const Resource* pSrc)
{
    // Copy from texture to texture or from buffer to buffer.
    FALCOR_ASSERT(pDst->getType() == pSrc->getType());

    resourceBarrier(pDst, Resource::State::CopyDest);
    resourceBarrier(pSrc, Resource::State::CopySource);

    auto resourceEncoder = getLowLevelData()->getResourceCommandEncoder();

    if (pDst->getType() == Resource::Type::Buffer)
    {
        const Buffer* pSrcBuffer = static_cast<const Buffer*>(pSrc);
        const Buffer* pDstBuffer = static_cast<const Buffer*>(pDst);

        FALCOR_ASSERT(pSrcBuffer->getSize() <= pDstBuffer->getSize());

        resourceEncoder->copyBuffer(pDstBuffer->getGfxBufferResource(), 0, pSrcBuffer->getGfxBufferResource(), 0, pSrcBuffer->getSize());
    }
    else
    {
        const Texture* pSrcTexture = static_cast<const Texture*>(pSrc);
        const Texture* pDstTexture = static_cast<const Texture*>(pDst);
        gfx::SubresourceRange subresourceRange = {};
        resourceEncoder->copyTexture(
            pDstTexture->getGfxTextureResource(),
            gfx::ResourceState::CopyDestination,
            subresourceRange,
            gfx::ITextureResource::Offset3D(0, 0, 0),
            pSrcTexture->getGfxTextureResource(),
            gfx::ResourceState::CopySource,
            subresourceRange,
            gfx::ITextureResource::Offset3D(0, 0, 0),
            gfx::ITextureResource::Extents{0, 0, 0}
        );
    }
    mCommandsPending = true;
}

void CopyContext::copySubresource(const Texture* pDst, uint32_t dstSubresourceIdx, const Texture* pSrc, uint32_t srcSubresourceIdx)
{