initial commit, 4.5 stable

thirdparty/cvtt/ConvectionKernels_BCCommon.h

@@ -0,0 +1,104 @@
+#pragma once
+#ifndef __CVTT_BCCOMMON_H__
+#define __CVTT_BCCOMMON_H__
+
+#include "ConvectionKernels_AggregatedError.h"
+#include "ConvectionKernels_ParallelMath.h"
+
+namespace cvtt
+{
+    namespace Internal
+    {
+        class BCCommon
+        {
+        public:
+            typedef ParallelMath::Float MFloat;
+            typedef ParallelMath::UInt16 MUInt16;
+            typedef ParallelMath::UInt15 MUInt15;
+            typedef ParallelMath::AInt16 MAInt16;
+            typedef ParallelMath::SInt16 MSInt16;
+            typedef ParallelMath::SInt32 MSInt32;
+
+            static int TweakRoundsForRange(int range);
+
+            template<int TVectorSize>
+            static void ComputeErrorLDR(uint32_t flags, const MUInt15 reconstructed[TVectorSize], const MUInt15 original[TVectorSize], int numRealChannels, AggregatedError<TVectorSize> &aggError)
+            {
+                for (int ch = 0; ch < numRealChannels; ch++)
+                    aggError.Add(ParallelMath::SqDiffUInt8(reconstructed[ch], original[ch]), ch);
+            }
+
+            template<int TVectorSize>
+            static void ComputeErrorLDR(uint32_t flags, const MUInt15 reconstructed[TVectorSize], const MUInt15 original[TVectorSize], AggregatedError<TVectorSize> &aggError)
+            {
+                ComputeErrorLDR<TVectorSize>(flags, reconstructed, original, TVectorSize, aggError);
+            }
+
+            template<int TVectorSize>
+            static MFloat ComputeErrorLDRSimple(uint32_t flags, const MUInt15 reconstructed[TVectorSize], const MUInt15 original[TVectorSize], int numRealChannels, const float *channelWeightsSq)
+            {
+                AggregatedError<TVectorSize> aggError;
+                ComputeErrorLDR<TVectorSize>(flags, reconstructed, original, numRealChannels, aggError);
+                return aggError.Finalize(flags, channelWeightsSq);
+            }
+
+            template<int TVectorSize>
+            static MFloat ComputeErrorHDRFast(uint32_t flags, const MSInt16 reconstructed[TVectorSize], const MSInt16 original[TVectorSize], const float channelWeightsSq[TVectorSize])
+            {
+                MFloat error = ParallelMath::MakeFloatZero();
+                if (flags & Flags::Uniform)
+                {
+                    for (int ch = 0; ch < TVectorSize; ch++)
+                        error = error + ParallelMath::SqDiffSInt16(reconstructed[ch], original[ch]);
+                }
+                else
+                {
+                    for (int ch = 0; ch < TVectorSize; ch++)
+                        error = error + ParallelMath::SqDiffSInt16(reconstructed[ch], original[ch]) * ParallelMath::MakeFloat(channelWeightsSq[ch]);
+                }
+
+                return error;
+            }
+
+            template<int TVectorSize>
+            static MFloat ComputeErrorHDRSlow(uint32_t flags, const MSInt16 reconstructed[TVectorSize], const MSInt16 original[TVectorSize], const float channelWeightsSq[TVectorSize])
+            {
+                MFloat error = ParallelMath::MakeFloatZero();
+                if (flags & Flags::Uniform)
+                {
+                    for (int ch = 0; ch < TVectorSize; ch++)
+                        error = error + ParallelMath::SqDiff2CL(reconstructed[ch], original[ch]);
+                }
+                else
+                {
+                    for (int ch = 0; ch < TVectorSize; ch++)
+                        error = error + ParallelMath::SqDiff2CL(reconstructed[ch], original[ch]) * ParallelMath::MakeFloat(channelWeightsSq[ch]);
+                }
+
+                return error;
+            }
+
+            template<int TChannelCount>
+            static void PreWeightPixelsLDR(MFloat preWeightedPixels[16][TChannelCount], const MUInt15 pixels[16][TChannelCount], const float channelWeights[TChannelCount])
+            {
+                for (int px = 0; px < 16; px++)
+                {
+                    for (int ch = 0; ch < TChannelCount; ch++)
+                        preWeightedPixels[px][ch] = ParallelMath::ToFloat(pixels[px][ch]) * channelWeights[ch];
+                }
+            }
+
+            template<int TChannelCount>
+            static void PreWeightPixelsHDR(MFloat preWeightedPixels[16][TChannelCount], const MSInt16 pixels[16][TChannelCount], const float channelWeights[TChannelCount])
+            {
+                for (int px = 0; px < 16; px++)
+                {
+                    for (int ch = 0; ch < TChannelCount; ch++)
+                        preWeightedPixels[px][ch] = ParallelMath::ToFloat(pixels[px][ch]) * channelWeights[ch];
+                }
+            }
+        };
+    }
+}
+
+#endif