claim_cpu()

void MayaFlux::Kakshya::TextureContainer::claim_cpu ( uint32_t  layer )

private

Give a GPU-held layer fresh CPU storage before a full overwrite.

Definition at line 191 of file TextureContainer.cpp.

{
    if (layer >= m_cpu_stale.size() || !m_cpu_stale[layer].load(std::memory_order_acquire))
        return;
 
    const size_t element_count = static_cast<size_t>(m_width) * m_height * m_channels;
 
    Memory::SeqlockWriteGuard g(m_slot_locks[layer]);
    m_data[layer] = make_empty_storage(m_format, element_count);
    m_cpu_stale[layer].store(false, std::memory_order_release);
}

References m_channels, m_cpu_stale, m_data, m_format, m_height, m_slot_locks, m_width, and MayaFlux::Kakshya::make_empty_storage().

Referenced by set_pixels(), set_pixels(), and set_pixels().

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