readback_aux()

void MayaFlux::Yantra::GpuDispatchCore::readback_aux ( GpuChannelResult &  result )

protected

Read back all OUTPUT bindings that have explicit size overrides into the aux map of a GpuChannelResult.

Parameters

result

GpuChannelResult to write aux entries into.

Definition at line 468 of file GpuDispatchCore.cpp.

{
    for (const auto& b : m_bindings) {
        if (b.skip_auto_readback)
            continue;
 
        const size_t idx = b.binding;
        const bool is_image = b.element_type == GpuBufferBinding::ElementType::IMAGE_STORAGE
            || b.element_type == GpuBufferBinding::ElementType::IMAGE_SAMPLED;
 
        if ((b.direction == GpuBufferBinding::Direction::OUTPUT
                || b.direction == GpuBufferBinding::Direction::INPUT_OUTPUT)
            && !is_image
            && idx < m_output_size_overrides.size()
            && m_output_size_overrides[idx] > 0) {
            const size_t sz = m_output_size_overrides[idx];
            std::vector<uint8_t> raw(sz);
            m_resources.download(dispatch_key(), idx, reinterpret_cast<float*>(raw.data()), sz);
            result.aux[idx] = std::move(raw);
        }
    }
}

References MayaFlux::Yantra::GpuChannelResult::aux, b, dispatch_key(), MayaFlux::Yantra::GpuResourceManager::download(), MayaFlux::Portal::Graphics::GpuBufferBinding::IMAGE_SAMPLED, MayaFlux::Portal::Graphics::GpuBufferBinding::IMAGE_STORAGE, MayaFlux::Portal::Graphics::GpuBufferBinding::INPUT_OUTPUT, MayaFlux::is_image(), m_bindings, m_output_size_overrides, m_resources, and MayaFlux::Portal::Graphics::GpuBufferBinding::OUTPUT.

Referenced by MayaFlux::Yantra::ShaderExecutionContext< InputType, OutputType >::collect_result(), dispatch_core(), dispatch_core_chained(), and dispatch_core_chained_indirect().

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