Method prepareResource

Source/Falcor/Core/API/ParameterBlock.cpp:224–248

}

void ParameterBlock::prepareResource(CopyContext* pContext, Resource* pResource, bool isUav)
{
    if (!pResource)
        return;

    // If it's a buffer with a UAV counter, insert a UAV barrier
    const Buffer* pBuffer = pResource->asBuffer().get();
    if (isUav && pBuffer && pBuffer->getUAVCounter())
    {
        pContext->resourceBarrier(pBuffer->getUAVCounter().get(), Resource::State::UnorderedAccess);
        pContext->uavBarrier(pBuffer->getUAVCounter().get());
    }

    bool insertBarrier = true;
    insertBarrier = (is_set(pResource->getBindFlags(), ResourceBindFlags::AccelerationStructure) == false);
    if (insertBarrier)
    {
        insertBarrier = !pContext->resourceBarrier(pResource, isUav ? Resource::State::UnorderedAccess : Resource::State::ShaderResource);
    }

    // Insert UAV barrier automatically if the resource is an UAV that is already in UnorderedAccess state.
    // Otherwise the user would have to insert barriers explicitly between passes accessing UAVs, which is easily forgotten.
    if (insertBarrier && isUav)
        pContext->uavBarrier(pResource);
}

ParameterBlock::~ParameterBlock() {}