download_back_buffers()

void MayaFlux::Buffers::BufferDownloadProcessor::download_back_buffers ( const std::shared_ptr< VKBuffer > &  source )

private

Definition at line 205 of file BufferDownloadProcessor.cpp.

{
    auto it = m_back_buffers_target_map.find(std::static_pointer_cast<Buffer>(source));
    if (it == m_back_buffers_target_map.end()) {
        return;
    }
 
    auto& targets = it->second;
    auto& resources = source->get_buffer_resources();
 
    if (targets.size() != resources.back_buffers.size()) {
        MF_RT_ERROR(Journal::Component::Buffers, Journal::Context::BufferProcessing,
            "download_back_buffers: {} targets configured, {} entries present",
            targets.size(), resources.back_buffers.size());
        return;
    }
 
    auto& staging = m_staging_buffers[std::static_pointer_cast<Buffer>(source)];
 
    for (size_t i = 0; i < resources.back_buffers.size(); ++i) {
        auto target = std::dynamic_pointer_cast<VKBuffer>(targets[i]);
        if (!target) {
            MF_RT_ERROR(Journal::Component::Buffers, Journal::Context::BufferProcessing,
                "download_back_buffers: target {} is not a VKBuffer", i);
            continue;
        }
 
        const size_t bytes = target->get_size_bytes();
        std::vector<uint8_t> raw(bytes);
        download_back_buffer(resources.back_buffers[i], raw.data(), bytes, staging);
 
        target->set_data({ raw });
    }
}

References MayaFlux::Journal::BufferProcessing, MayaFlux::Journal::Buffers, MayaFlux::Buffers::download_back_buffer(), m_back_buffers_target_map, m_staging_buffers, and MF_RT_ERROR.

Referenced by processing_function().

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