get_frames_typed_as()

template<typename T >

void MayaFlux::Kakshya::TextureContainer::get_frames_typed_as ( std::span< T >  output, uint64_t  start_frame, uint64_t  num_frames  ) const

private

Definition at line 1065 of file TextureContainer.cpp.

{
    const size_t layer_elems = static_cast<size_t>(m_width) * m_height * m_channels;
    size_t out_idx = 0;
 
    for (uint64_t layer = start_frame;
        layer < start_frame + num_frames && layer < m_data.size() && out_idx < output.size();
        ++layer) {
        ensure_cpu(static_cast<uint32_t>(layer));
        seqlock_read_void(m_slot_locks[layer], 8, [&] {
            const auto* vec = std::get_if<std::vector<T>>(&m_data[layer]);
            if (!vec || vec->empty())
                return;
            const size_t copy_n = std::min(layer_elems, std::min(vec->size(), output.size() - out_idx));
            std::copy_n(vec->begin(), static_cast<std::ptrdiff_t>(copy_n), output.begin() + static_cast<std::ptrdiff_t>(out_idx));
            out_idx += copy_n;
        });
    }
 
    if (out_idx < output.size()) {
        std::fill(output.begin() + static_cast<std::ptrdiff_t>(out_idx), output.end(), T {});
    }
}

References ensure_cpu(), m_channels, m_data, m_height, m_slot_locks, and m_width.

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