enter_layer_mode()

void MayaFlux::Buffers::TextureArrayBuffer::enter_layer_mode ( )

private

Definition at line 314 of file TextureArrayBuffer.cpp.

{
    if (m_layer_mode) {
        return;
    }
 
    ensure_array();
    if (!has_texture()) {
        return;
    }
 
    auto& storage = get_pixel_data_mutable();
    const size_t total = m_layer_bytes * m_layers;
    const auto staging = create_image_staging_buffer(total);
    if (!staging) {
        MF_ERROR(Journal::Component::Buffers, Journal::Context::BufferProcessing,
            "TextureArrayBuffer: failed to allocate staging for {} bytes", total);
        return;
    }
 
    auto& loom = Portal::Graphics::get_texture_manager();
    if (storage.size() == total) {
        loom.upload_data(get_texture(), storage.data(), total, staging);
    } else {
        const std::vector<uint8_t> blank(total, 0);
        loom.upload_data(get_texture(), blank.data(), total, staging);
    }
 
    std::vector<uint8_t>().swap(storage);
    m_layer_mode = true;
}

References MayaFlux::Journal::BufferProcessing, MayaFlux::Journal::Buffers, MayaFlux::Buffers::create_image_staging_buffer(), ensure_array(), MayaFlux::Buffers::TextureBuffer::get_pixel_data_mutable(), MayaFlux::Buffers::TextureBuffer::get_texture(), MayaFlux::Portal::Graphics::get_texture_manager(), MayaFlux::Buffers::TextureBuffer::has_texture(), m_layer_bytes, m_layer_mode, m_layers, MF_ERROR, storage, and total.

Referenced by submit_layer().

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