Function CreateCPUEngine

src/OpenColorIO/CPUProcessor.cpp:122–184

}

void CreateCPUEngine(const OpRcPtrVec & ops, 
                     BitDepth in, 
                     BitDepth out,
                     OptimizationFlags oFlags,
                     // The bit-depth 'cast' or the first CPU Op.
                     ConstOpCPURcPtr & inBitDepthOp,
                     // The remaining CPU Ops.
                     ConstOpCPURcPtrVec & cpuOps,
                     // The bit-depth 'cast' or the last CPU Op.
                     ConstOpCPURcPtr & outBitDepthOp)
{
    const size_t maxOps = ops.size();
    const bool fastLogExpPow = HasFlag(oFlags, OPTIMIZATION_FAST_LOG_EXP_POW);
    for(size_t idx=0; idx<maxOps; ++idx)
    {
        ConstOpRcPtr op = ops[idx];
        ConstOpDataRcPtr opData = op->data();

        if(idx==0)
        {
            if(opData->getType()==OpData::Lut1DType)
            {
                ConstLut1DOpDataRcPtr lut = DynamicPtrCast<const Lut1DOpData>(opData);
                inBitDepthOp = GetLut1DRenderer(lut, in, BIT_DEPTH_F32);
            }
            else if(in==BIT_DEPTH_F32)
            {
                inBitDepthOp = op->getCPUOp(fastLogExpPow);
            }
            else
            {
                inBitDepthOp = CreateGenericBitDepthHelper(in, BIT_DEPTH_F32);
                cpuOps.push_back(op->getCPUOp(fastLogExpPow));
            }

            if(maxOps==1)
            {
                outBitDepthOp = CreateGenericBitDepthHelper(BIT_DEPTH_F32, out);
            }
        }
        else if(idx==(maxOps-1))
        {
            if(opData->getType()==OpData::Lut1DType)
            {
                ConstLut1DOpDataRcPtr lut = DynamicPtrCast<const Lut1DOpData>(opData);
                outBitDepthOp = GetLut1DRenderer(lut, BIT_DEPTH_F32, out);
            }
            else if(out==BIT_DEPTH_F32)
            {
                outBitDepthOp = op->getCPUOp(fastLogExpPow);
            }
            else
            {
                outBitDepthOp = CreateGenericBitDepthHelper(BIT_DEPTH_F32, out);
                cpuOps.push_back(op->getCPUOp(fastLogExpPow));
            }
        }
        else