cached_array_image()

std::shared_ptr< Core::VKImage > MayaFlux::Kakshya::TextureContainer::cached_array_image ( const std::shared_ptr< Buffers::VKBuffer > &  staging ) const

private

Definition at line 408 of file TextureContainer.cpp.

{
    const auto n = static_cast<uint32_t>(m_data.size());
    if (n == 0)
        return nullptr;
 
    if (n == 1)
        return cached_layer_image(0, staging);
 
    ensure_cpu_all();
 
    const size_t layer_bytes = byte_size();
    std::vector<uint8_t> combined(layer_bytes * n);
    for (uint32_t i = 0; i < n; ++i) {
        bool valid = false;
        const bool copied = seqlock_read_void(m_slot_locks[i], 8, [&] {
            auto [ptr, bytes] = variant_bytes(m_data[i]);
            valid = ptr && bytes == layer_bytes;
            if (valid)
                std::memcpy(combined.data() + i * layer_bytes, ptr, layer_bytes);
        });
        if (!copied || !valid) {
            MF_ERROR(Journal::Component::Kakshya, Journal::Context::ContainerProcessing,
                "TextureContainer::to_image_array layer {} has invalid pixel data", i);
            return nullptr;
        }
    }
 
    const Portal::Graphics::ImageKey key {
        .width = m_width, .height = m_height, .layers = n, .format = m_format, .kind = Portal::Graphics::ImageKey::Kind::SAMPLED_ARRAY
    };
    Memory::SerializedSeqlockWriteGuard image_guard(m_image_cache_lock);
    return TextureLoom::instance().refresh_cached_image(
        m_array_image_cache, key, combined, staging);
}

References byte_size(), cached_layer_image(), MayaFlux::Journal::ContainerProcessing, ensure_cpu_all(), MayaFlux::Portal::Graphics::TextureLoom::instance(), MayaFlux::Journal::Kakshya, m_array_image_cache, m_data, m_format, m_height, m_image_cache_lock, m_slot_locks, m_width, MF_ERROR, ptr, MayaFlux::Portal::Graphics::TextureLoom::refresh_cached_image(), MayaFlux::Portal::Graphics::ImageKey::SAMPLED_ARRAY, MayaFlux::Kakshya::variant_bytes(), and MayaFlux::Portal::Graphics::ImageKey::width.

Referenced by to_image_array(), and to_image_array().

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