100 lines
5.8 KiB
C++
100 lines
5.8 KiB
C++
#pragma once
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#include "ConvectionKernels_ParallelMath.h"
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namespace cvtt
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{
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namespace Tables
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{
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namespace BC7SC
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{
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struct Table;
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}
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}
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namespace Internal
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{
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namespace BC67
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{
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struct WorkInfo;
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}
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template<int TVectorSize>
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class IndexSelectorHDR;
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}
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struct PixelBlockU8;
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}
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namespace cvtt
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{
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namespace Internal
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{
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class BC7Computer
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{
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public:
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static void Pack(uint32_t flags, const PixelBlockU8* inputs, uint8_t* packedBlocks, const float channelWeights[4], const BC7EncodingPlan &encodingPlan, int numRefineRounds);
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static void UnpackOne(PixelBlockU8 &output, const uint8_t* packedBlock);
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private:
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static const int MaxTweakRounds = 4;
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typedef ParallelMath::SInt16 MSInt16;
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typedef ParallelMath::UInt15 MUInt15;
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typedef ParallelMath::UInt16 MUInt16;
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typedef ParallelMath::SInt32 MSInt32;
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typedef ParallelMath::Float MFloat;
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static void TweakAlpha(const MUInt15 original[2], int tweak, int range, MUInt15 result[2]);
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static void Quantize(MUInt15* color, int bits, int channels);
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static void QuantizeP(MUInt15* color, int bits, uint16_t p, int channels);
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static void Unquantize(MUInt15* color, int bits, int channels);
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static void CompressEndpoints0(MUInt15 ep[2][4], uint16_t p[2]);
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static void CompressEndpoints1(MUInt15 ep[2][4], uint16_t p);
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static void CompressEndpoints2(MUInt15 ep[2][4]);
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static void CompressEndpoints3(MUInt15 ep[2][4], uint16_t p[2]);
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static void CompressEndpoints4(MUInt15 epRGB[2][3], MUInt15 epA[2]);
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static void CompressEndpoints5(MUInt15 epRGB[2][3], MUInt15 epA[2]);
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static void CompressEndpoints6(MUInt15 ep[2][4], uint16_t p[2]);
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static void CompressEndpoints7(MUInt15 ep[2][4], uint16_t p[2]);
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static void TrySingleColorRGBAMultiTable(uint32_t flags, const MUInt15 pixels[16][4], const MFloat average[4], int numRealChannels, const uint8_t *fragmentStart, int shapeLength, const MFloat &staticAlphaError, const ParallelMath::Int16CompFlag punchThroughInvalid[4], MFloat& shapeBestError, MUInt15 shapeBestEP[2][4], MUInt15 *fragmentBestIndexes, const float *channelWeightsSq, const cvtt::Tables::BC7SC::Table*const* tables, int numTables, const ParallelMath::RoundTowardNearestForScope *rtn);
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static void TrySinglePlane(uint32_t flags, const MUInt15 pixels[16][4], const MFloat floatPixels[16][4], const float channelWeights[4], const BC7EncodingPlan &encodingPlan, int numRefineRounds, BC67::WorkInfo& work, const ParallelMath::RoundTowardNearestForScope *rtn);
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static void TryDualPlane(uint32_t flags, const MUInt15 pixels[16][4], const MFloat floatPixels[16][4], const float channelWeights[4], const BC7EncodingPlan &encodingPlan, int numRefineRounds, BC67::WorkInfo& work, const ParallelMath::RoundTowardNearestForScope *rtn);
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template<class T>
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static void Swap(T& a, T& b);
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};
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class BC6HComputer
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{
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public:
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static void Pack(uint32_t flags, const PixelBlockF16* inputs, uint8_t* packedBlocks, const float channelWeights[4], bool isSigned, int numTweakRounds, int numRefineRounds);
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static void UnpackOne(PixelBlockF16 &output, const uint8_t *pBC, bool isSigned);
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private:
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typedef ParallelMath::Float MFloat;
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typedef ParallelMath::SInt16 MSInt16;
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typedef ParallelMath::UInt16 MUInt16;
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typedef ParallelMath::UInt15 MUInt15;
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typedef ParallelMath::AInt16 MAInt16;
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typedef ParallelMath::SInt32 MSInt32;
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typedef ParallelMath::UInt31 MUInt31;
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static const int MaxTweakRounds = 4;
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static const int MaxRefineRounds = 3;
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static MSInt16 QuantizeSingleEndpointElementSigned(const MSInt16 &elem2CL, int precision, const ParallelMath::RoundUpForScope* ru);
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static MUInt15 QuantizeSingleEndpointElementUnsigned(const MUInt15 &elem, int precision, const ParallelMath::RoundUpForScope* ru);
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static void UnquantizeSingleEndpointElementSigned(const MSInt16 &comp, int precision, MSInt16 &outUnquantized, MSInt16 &outUnquantizedFinished2CL);
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static void UnquantizeSingleEndpointElementUnsigned(const MUInt15 &comp, int precision, MUInt16 &outUnquantized, MUInt16 &outUnquantizedFinished);
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static void QuantizeEndpointsSigned(const MSInt16 endPoints[2][3], const MFloat floatPixelsColorSpace[16][3], const MFloat floatPixelsLinearWeighted[16][3], MAInt16 quantizedEndPoints[2][3], MUInt15 indexes[16], IndexSelectorHDR<3> &indexSelector, int fixupIndex, int precision, int indexRange, const float *channelWeights, bool fastIndexing, const ParallelMath::RoundTowardNearestForScope *rtn);
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static void QuantizeEndpointsUnsigned(const MSInt16 endPoints[2][3], const MFloat floatPixelsColorSpace[16][3], const MFloat floatPixelsLinearWeighted[16][3], MAInt16 quantizedEndPoints[2][3], MUInt15 indexes[16], IndexSelectorHDR<3> &indexSelector, int fixupIndex, int precision, int indexRange, const float *channelWeights, bool fastIndexing, const ParallelMath::RoundTowardNearestForScope *rtn);
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static void EvaluatePartitionedLegality(const MAInt16 ep0[2][3], const MAInt16 ep1[2][3], int aPrec, const int bPrec[3], bool isTransformed, MAInt16 outEncodedEPs[2][2][3], ParallelMath::Int16CompFlag& outIsLegal);
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static void EvaluateSingleLegality(const MAInt16 ep[2][3], int aPrec, const int bPrec[3], bool isTransformed, MAInt16 outEncodedEPs[2][3], ParallelMath::Int16CompFlag& outIsLegal);
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static void SignExtendSingle(int &v, int bits);
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};
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}
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}
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