Method getGPUProcessor

src/OpenColorIO/Processor.cpp:491–523

}

ConstGPUProcessorRcPtr Processor::Impl::getGPUProcessor(const OpRcPtrVec & gpuOps,
                                                        OptimizationFlags oFlags) const
{
    // Helper method.
    auto CreateProcessor = [](const OpRcPtrVec & ops,
                              OptimizationFlags oFlags) -> GPUProcessorRcPtr
    {
        GPUProcessorRcPtr gpu = GPUProcessorRcPtr(new GPUProcessor(), &GPUProcessor::deleter);
        gpu->getImpl()->finalize(ops, oFlags);
        return gpu;
    };

    oFlags = EnvironmentOverride(oFlags);

    if (m_gpuProcessorCache.isEnabled())
    {
        AutoMutex guard(m_gpuProcessorCache.lock());

        // As the entry is a shared pointer instance, having an empty one means that the entry does
        // not exist in the cache. So, it provides a fast existence check & access in one call.
        GPUProcessorRcPtr & processor = m_gpuProcessorCache[oFlags];
        if (!processor)
        {
            processor = CreateProcessor(gpuOps, oFlags);
        }
        
        return processor;
    }
    else
    {
        return CreateProcessor(gpuOps, oFlags);
    }
}

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