Function initOptix

Source/RenderPasses/OptixDenoiser/OptixUtils.cpp:61–77

This initialization now seems verbose / excessive as CUDA and OptiX initialization has evolved. TODO: Simplify?

// This initialization now seems verbose / excessive as CUDA and OptiX initialization
// has evolved.  TODO: Simplify?
OptixDeviceContext initOptix(Falcor::Device* pDevice)
{
    FALCOR_CHECK(pDevice->initCudaDevice(), "Failed to initialize CUDA device.");

    OPTIX_CHECK(optixInit());

    FALCOR_CHECK(g_optixFunctionTable.optixDeviceContextCreate, "OptiX function table not initialized.");

    // Build our OptiX context
    OptixDeviceContext optixContext;
    OPTIX_CHECK(optixDeviceContextCreate(pDevice->getCudaDevice()->getContext(), 0, &optixContext));

    // Tell Optix how to write to our Falcor log.
    OPTIX_CHECK(optixDeviceContextSetLogCallback(optixContext, optixLogCallback, nullptr, 4));

    return optixContext;
}