astc: Rename C types to common_types
This commit is contained in:
		| @@ -17,7 +17,6 @@ | ||||
|  | ||||
| #include <algorithm> | ||||
| #include <cassert> | ||||
| #include <cstdint> | ||||
| #include <cstring> | ||||
| #include <vector> | ||||
|  | ||||
| @@ -40,18 +39,18 @@ constexpr u32 Popcnt(u32 n) { | ||||
|  | ||||
| class InputBitStream { | ||||
| public: | ||||
|     explicit InputBitStream(const unsigned char* ptr, int start_offset = 0) | ||||
|     explicit InputBitStream(const u8* ptr, s32 start_offset = 0) | ||||
|         : m_CurByte(ptr), m_NextBit(start_offset % 8) {} | ||||
|  | ||||
|     ~InputBitStream() = default; | ||||
|  | ||||
|     int GetBitsRead() const { | ||||
|     s32 GetBitsRead() const { | ||||
|         return m_BitsRead; | ||||
|     } | ||||
|  | ||||
|     int ReadBit() { | ||||
|     s32 ReadBit() { | ||||
|  | ||||
|         int bit = *m_CurByte >> m_NextBit++; | ||||
|         s32 bit = *m_CurByte >> m_NextBit++; | ||||
|         while (m_NextBit >= 8) { | ||||
|             m_NextBit -= 8; | ||||
|             m_CurByte++; | ||||
| @@ -61,57 +60,57 @@ public: | ||||
|         return bit & 1; | ||||
|     } | ||||
|  | ||||
|     unsigned int ReadBits(unsigned int nBits) { | ||||
|         unsigned int ret = 0; | ||||
|         for (unsigned int i = 0; i < nBits; i++) { | ||||
|     u32 ReadBits(u32 nBits) { | ||||
|         u32 ret = 0; | ||||
|         for (u32 i = 0; i < nBits; i++) { | ||||
|             ret |= (ReadBit() & 1) << i; | ||||
|         } | ||||
|         return ret; | ||||
|     } | ||||
|  | ||||
| private: | ||||
|     const unsigned char* m_CurByte; | ||||
|     int m_NextBit = 0; | ||||
|     int m_BitsRead = 0; | ||||
|     const u8* m_CurByte; | ||||
|     s32 m_NextBit = 0; | ||||
|     s32 m_BitsRead = 0; | ||||
| }; | ||||
|  | ||||
| class OutputBitStream { | ||||
| public: | ||||
|     explicit OutputBitStream(unsigned char* ptr, int nBits = 0, int start_offset = 0) | ||||
|     explicit OutputBitStream(u8* ptr, s32 nBits = 0, s32 start_offset = 0) | ||||
|         : m_NumBits(nBits), m_CurByte(ptr), m_NextBit(start_offset % 8) {} | ||||
|  | ||||
|     ~OutputBitStream() = default; | ||||
|  | ||||
|     int GetBitsWritten() const { | ||||
|     s32 GetBitsWritten() const { | ||||
|         return m_BitsWritten; | ||||
|     } | ||||
|  | ||||
|     void WriteBitsR(unsigned int val, unsigned int nBits) { | ||||
|         for (unsigned int i = 0; i < nBits; i++) { | ||||
|     void WriteBitsR(u32 val, u32 nBits) { | ||||
|         for (u32 i = 0; i < nBits; i++) { | ||||
|             WriteBit((val >> (nBits - i - 1)) & 1); | ||||
|         } | ||||
|     } | ||||
|  | ||||
|     void WriteBits(unsigned int val, unsigned int nBits) { | ||||
|         for (unsigned int i = 0; i < nBits; i++) { | ||||
|     void WriteBits(u32 val, u32 nBits) { | ||||
|         for (u32 i = 0; i < nBits; i++) { | ||||
|             WriteBit((val >> i) & 1); | ||||
|         } | ||||
|     } | ||||
|  | ||||
| private: | ||||
|     void WriteBit(int b) { | ||||
|     void WriteBit(s32 b) { | ||||
|  | ||||
|         if (done) | ||||
|             return; | ||||
|  | ||||
|         const unsigned int mask = 1 << m_NextBit++; | ||||
|         const u32 mask = 1 << m_NextBit++; | ||||
|  | ||||
|         // clear the bit | ||||
|         *m_CurByte &= static_cast<unsigned char>(~mask); | ||||
|         *m_CurByte &= static_cast<u8>(~mask); | ||||
|  | ||||
|         // Write the bit, if necessary | ||||
|         if (b) | ||||
|             *m_CurByte |= static_cast<unsigned char>(mask); | ||||
|             *m_CurByte |= static_cast<u8>(mask); | ||||
|  | ||||
|         // Next byte? | ||||
|         if (m_NextBit >= 8) { | ||||
| @@ -122,10 +121,10 @@ private: | ||||
|         done = done || ++m_BitsWritten >= m_NumBits; | ||||
|     } | ||||
|  | ||||
|     int m_BitsWritten = 0; | ||||
|     const int m_NumBits; | ||||
|     unsigned char* m_CurByte; | ||||
|     int m_NextBit = 0; | ||||
|     s32 m_BitsWritten = 0; | ||||
|     const s32 m_NumBits; | ||||
|     u8* m_CurByte; | ||||
|     s32 m_NextBit = 0; | ||||
|  | ||||
|     bool done = false; | ||||
| }; | ||||
| @@ -159,7 +158,7 @@ private: | ||||
|     const IntType& m_Bits; | ||||
| }; | ||||
|  | ||||
| enum class IntegerEncoding { JustBits, Quint, Trit }; | ||||
| enum class IntegerEncoding { JustBits, Qus32, Trit }; | ||||
|  | ||||
| class IntegerEncodedValue { | ||||
| private: | ||||
| @@ -167,7 +166,7 @@ private: | ||||
|     const u32 m_NumBits; | ||||
|     u32 m_BitValue; | ||||
|     union { | ||||
|         u32 m_QuintValue; | ||||
|         u32 m_Qus32Value; | ||||
|         u32 m_TritValue; | ||||
|     }; | ||||
|  | ||||
| @@ -203,11 +202,11 @@ public: | ||||
|         m_TritValue = val; | ||||
|     } | ||||
|  | ||||
|     u32 GetQuintValue() const { | ||||
|         return m_QuintValue; | ||||
|     u32 GetQus32Value() const { | ||||
|         return m_Qus32Value; | ||||
|     } | ||||
|     void SetQuintValue(u32 val) { | ||||
|         m_QuintValue = val; | ||||
|     void SetQus32Value(u32 val) { | ||||
|         m_Qus32Value = val; | ||||
|     } | ||||
|  | ||||
|     bool MatchesEncoding(const IntegerEncodedValue& other) const { | ||||
| @@ -219,7 +218,7 @@ public: | ||||
|         u32 totalBits = m_NumBits * nVals; | ||||
|         if (m_Encoding == IntegerEncoding::Trit) { | ||||
|             totalBits += (nVals * 8 + 4) / 5; | ||||
|         } else if (m_Encoding == IntegerEncoding::Quint) { | ||||
|         } else if (m_Encoding == IntegerEncoding::Qus32) { | ||||
|             totalBits += (nVals * 7 + 2) / 3; | ||||
|         } | ||||
|         return totalBits; | ||||
| @@ -243,10 +242,10 @@ public: | ||||
|  | ||||
|             // Is maxVal of the type 5*2^n - 1? | ||||
|             if ((check % 5 == 0) && !((check / 5) & ((check / 5) - 1))) { | ||||
|                 return IntegerEncodedValue(IntegerEncoding::Quint, Popcnt(check / 5 - 1)); | ||||
|                 return IntegerEncodedValue(IntegerEncoding::Qus32, Popcnt(check / 5 - 1)); | ||||
|             } | ||||
|  | ||||
|             // Apparently it can't be represented with a bounded integer sequence... | ||||
|             // Apparently it can't be represented with a bounded s32eger sequence... | ||||
|             // just iterate. | ||||
|             maxVal--; | ||||
|         } | ||||
| @@ -265,8 +264,8 @@ public: | ||||
|         u32 nValsDecoded = 0; | ||||
|         while (nValsDecoded < nValues) { | ||||
|             switch (val.GetEncoding()) { | ||||
|             case IntegerEncoding::Quint: | ||||
|                 DecodeQuintBlock(bits, result, val.BaseBitLength()); | ||||
|             case IntegerEncoding::Qus32: | ||||
|                 DecodeQus32Block(bits, result, val.BaseBitLength()); | ||||
|                 nValsDecoded += 3; | ||||
|                 break; | ||||
|  | ||||
| @@ -345,7 +344,7 @@ private: | ||||
|         } | ||||
|     } | ||||
|  | ||||
|     static void DecodeQuintBlock(InputBitStream& bits, std::vector<IntegerEncodedValue>& result, | ||||
|     static void DecodeQus32Block(InputBitStream& bits, std::vector<IntegerEncodedValue>& result, | ||||
|                                  u32 nBitsPerValue) { | ||||
|         // Implement the algorithm in section C.2.12 | ||||
|         u32 m[3]; | ||||
| @@ -386,9 +385,9 @@ private: | ||||
|         } | ||||
|  | ||||
|         for (u32 i = 0; i < 3; i++) { | ||||
|             IntegerEncodedValue val(IntegerEncoding::Quint, nBitsPerValue); | ||||
|             IntegerEncodedValue val(IntegerEncoding::Qus32, nBitsPerValue); | ||||
|             val.m_BitValue = m[i]; | ||||
|             val.m_QuintValue = q[i]; | ||||
|             val.m_Qus32Value = q[i]; | ||||
|             result.push_back(val); | ||||
|         } | ||||
|     } | ||||
| @@ -626,7 +625,7 @@ static TexelWeightParams DecodeBlockInfo(InputBitStream& strm) { | ||||
| static void FillVoidExtentLDR(InputBitStream& strm, u32* const outBuf, u32 blockWidth, | ||||
|                               u32 blockHeight) { | ||||
|     // Don't actually care about the void extent, just read the bits... | ||||
|     for (int i = 0; i < 4; ++i) { | ||||
|     for (s32 i = 0; i < 4; ++i) { | ||||
|         strm.ReadBits(13); | ||||
|     } | ||||
|  | ||||
| @@ -687,7 +686,7 @@ protected: | ||||
|  | ||||
| public: | ||||
|     Pixel() = default; | ||||
|     Pixel(u32 a, u32 r, u32 g, u32 b, unsigned bitDepth = 8) | ||||
|     Pixel(u32 a, u32 r, u32 g, u32 b, u32 bitDepth = 8) | ||||
|         : m_BitDepth{u8(bitDepth), u8(bitDepth), u8(bitDepth), u8(bitDepth)}, | ||||
|           color{static_cast<ChannelType>(a), static_cast<ChannelType>(r), | ||||
|                 static_cast<ChannelType>(g), static_cast<ChannelType>(b)} {} | ||||
| @@ -772,13 +771,13 @@ public: | ||||
|     } | ||||
|  | ||||
|     void GetBitDepth(u8 (&outDepth)[4]) const { | ||||
|         for (int i = 0; i < 4; i++) { | ||||
|         for (s32 i = 0; i < 4; i++) { | ||||
|             outDepth[i] = m_BitDepth[i]; | ||||
|         } | ||||
|     } | ||||
|  | ||||
|     // Take all of the components, transform them to their 8-bit variants, | ||||
|     // and then pack each channel into an R8G8B8A8 32-bit integer. We assume | ||||
|     // and then pack each channel s32o an R8G8B8A8 32-bit s32eger. We assume | ||||
|     // that the architecture is little-endian, so the alpha channel will end | ||||
|     // up in the most-significant byte. | ||||
|     u32 Pack() const { | ||||
| @@ -838,7 +837,7 @@ static void DecodeColorValues(u32* out, u8* data, const u32* modes, const u32 nP | ||||
|         } | ||||
|     } | ||||
|  | ||||
|     // We now have enough to decode our integer sequence. | ||||
|     // We now have enough to decode our s32eger sequence. | ||||
|     std::vector<IntegerEncodedValue> decodedColorValues; | ||||
|     InputBitStream colorStream(data); | ||||
|     IntegerEncodedValue::DecodeIntegerSequence(decodedColorValues, colorStream, range, nValues); | ||||
| @@ -920,9 +919,9 @@ static void DecodeColorValues(u32* out, u8* data, const u32* modes, const u32 nP | ||||
|         }     // case IntegerEncoding::Trit | ||||
|         break; | ||||
|  | ||||
|         case IntegerEncoding::Quint: { | ||||
|         case IntegerEncoding::Qus32: { | ||||
|  | ||||
|             D = val.GetQuintValue(); | ||||
|             D = val.GetQus32Value(); | ||||
|  | ||||
|             switch (bitlen) { | ||||
|             case 1: { | ||||
| @@ -958,10 +957,10 @@ static void DecodeColorValues(u32* out, u8* data, const u32* modes, const u32 nP | ||||
|             } break; | ||||
|  | ||||
|             default: | ||||
|                 assert(!"Unsupported quint encoding for color values!"); | ||||
|                 assert(!"Unsupported qus32 encoding for color values!"); | ||||
|                 break; | ||||
|             } // switch(bitlen) | ||||
|         }     // case IntegerEncoding::Quint | ||||
|         }     // case IntegerEncoding::Qus32 | ||||
|         break; | ||||
|         } // switch(val.GetEncoding()) | ||||
|  | ||||
| @@ -1024,8 +1023,8 @@ static u32 UnquantizeTexelWeight(const IntegerEncodedValue& val) { | ||||
|         } | ||||
|     } break; | ||||
|  | ||||
|     case IntegerEncoding::Quint: { | ||||
|         D = val.GetQuintValue(); | ||||
|     case IntegerEncoding::Qus32: { | ||||
|         D = val.GetQus32Value(); | ||||
|         assert(D < 5); | ||||
|  | ||||
|         switch (bitlen) { | ||||
| @@ -1045,7 +1044,7 @@ static u32 UnquantizeTexelWeight(const IntegerEncodedValue& val) { | ||||
|         } break; | ||||
|  | ||||
|         default: | ||||
|             assert(!"Invalid quint encoding for texel weight"); | ||||
|             assert(!"Invalid qus32 encoding for texel weight"); | ||||
|             break; | ||||
|         } | ||||
|     } break; | ||||
| @@ -1260,8 +1259,8 @@ static inline u32 Select2DPartition(s32 seed, s32 x, s32 y, s32 partitionCount, | ||||
| } | ||||
|  | ||||
| // Section C.2.14 | ||||
| static void ComputeEndpoints(Pixel& ep1, Pixel& ep2, const u32*& colorValues, | ||||
|                              u32 colorEndpointMode) { | ||||
| static void ComputeEndpos32s(Pixel& ep1, Pixel& ep2, const u32*& colorValues, | ||||
|                              u32 colorEndpos32Mode) { | ||||
| #define READ_UINT_VALUES(N)                                                                        \ | ||||
|     u32 v[N];                                                                                      \ | ||||
|     for (u32 i = 0; i < N; i++) {                                                                  \ | ||||
| @@ -1274,7 +1273,7 @@ static void ComputeEndpoints(Pixel& ep1, Pixel& ep2, const u32*& colorValues, | ||||
|         v[i] = static_cast<s32>(*(colorValues++));                                                 \ | ||||
|     } | ||||
|  | ||||
|     switch (colorEndpointMode) { | ||||
|     switch (colorEndpos32Mode) { | ||||
|     case 0: { | ||||
|         READ_UINT_VALUES(2) | ||||
|         ep1 = Pixel(0xFF, v[0], v[0], v[0]); | ||||
| @@ -1373,7 +1372,7 @@ static void ComputeEndpoints(Pixel& ep1, Pixel& ep2, const u32*& colorValues, | ||||
|     } break; | ||||
|  | ||||
|     default: | ||||
|         assert(!"Unsupported color endpoint mode (is it HDR?)"); | ||||
|         assert(!"Unsupported color endpos32 mode (is it HDR?)"); | ||||
|         break; | ||||
|     } | ||||
|  | ||||
| @@ -1426,23 +1425,23 @@ static void DecompressBlock(const u8 inBuf[16], const u32 blockWidth, const u32 | ||||
|         return; | ||||
|     } | ||||
|  | ||||
|     // Based on the number of partitions, read the color endpoint mode for | ||||
|     // Based on the number of partitions, read the color endpos32 mode for | ||||
|     // each partition. | ||||
|  | ||||
|     // Determine partitions, partition index, and color endpoint modes | ||||
|     // Determine partitions, partition index, and color endpos32 modes | ||||
|     s32 planeIdx = -1; | ||||
|     u32 partitionIndex; | ||||
|     u32 colorEndpointMode[4] = {0, 0, 0, 0}; | ||||
|     u32 colorEndpos32Mode[4] = {0, 0, 0, 0}; | ||||
|  | ||||
|     // Define color data. | ||||
|     u8 colorEndpointData[16]; | ||||
|     memset(colorEndpointData, 0, sizeof(colorEndpointData)); | ||||
|     OutputBitStream colorEndpointStream(colorEndpointData, 16 * 8, 0); | ||||
|     u8 colorEndpos32Data[16]; | ||||
|     memset(colorEndpos32Data, 0, sizeof(colorEndpos32Data)); | ||||
|     OutputBitStream colorEndpos32Stream(colorEndpos32Data, 16 * 8, 0); | ||||
|  | ||||
|     // Read extra config data... | ||||
|     u32 baseCEM = 0; | ||||
|     if (nPartitions == 1) { | ||||
|         colorEndpointMode[0] = strm.ReadBits(4); | ||||
|         colorEndpos32Mode[0] = strm.ReadBits(4); | ||||
|         partitionIndex = 0; | ||||
|     } else { | ||||
|         partitionIndex = strm.ReadBits(10); | ||||
| @@ -1450,7 +1449,7 @@ static void DecompressBlock(const u8 inBuf[16], const u32 blockWidth, const u32 | ||||
|     } | ||||
|     u32 baseMode = (baseCEM & 3); | ||||
|  | ||||
|     // Remaining bits are color endpoint data... | ||||
|     // Remaining bits are color endpos32 data... | ||||
|     u32 nWeightBits = weightParams.GetPackedBitSize(); | ||||
|     s32 remainingBits = 128 - nWeightBits - strm.GetBitsRead(); | ||||
|  | ||||
| @@ -1486,7 +1485,7 @@ static void DecompressBlock(const u8 inBuf[16], const u32 blockWidth, const u32 | ||||
|     while (remainingBits > 0) { | ||||
|         u32 nb = std::min(remainingBits, 8); | ||||
|         u32 b = strm.ReadBits(nb); | ||||
|         colorEndpointStream.WriteBits(b, nb); | ||||
|         colorEndpos32Stream.WriteBits(b, nb); | ||||
|         remainingBits -= 8; | ||||
|     } | ||||
|  | ||||
| @@ -1513,34 +1512,34 @@ static void DecompressBlock(const u8 inBuf[16], const u32 blockWidth, const u32 | ||||
|         } | ||||
|  | ||||
|         for (u32 i = 0; i < nPartitions; i++) { | ||||
|             colorEndpointMode[i] = baseMode; | ||||
|             colorEndpos32Mode[i] = baseMode; | ||||
|             if (!(C[i])) | ||||
|                 colorEndpointMode[i] -= 1; | ||||
|             colorEndpointMode[i] <<= 2; | ||||
|             colorEndpointMode[i] |= M[i]; | ||||
|                 colorEndpos32Mode[i] -= 1; | ||||
|             colorEndpos32Mode[i] <<= 2; | ||||
|             colorEndpos32Mode[i] |= M[i]; | ||||
|         } | ||||
|     } else if (nPartitions > 1) { | ||||
|         u32 CEM = baseCEM >> 2; | ||||
|         for (u32 i = 0; i < nPartitions; i++) { | ||||
|             colorEndpointMode[i] = CEM; | ||||
|             colorEndpos32Mode[i] = CEM; | ||||
|         } | ||||
|     } | ||||
|  | ||||
|     // Make sure everything up till here is sane. | ||||
|     for (u32 i = 0; i < nPartitions; i++) { | ||||
|         assert(colorEndpointMode[i] < 16); | ||||
|         assert(colorEndpos32Mode[i] < 16); | ||||
|     } | ||||
|     assert(strm.GetBitsRead() + weightParams.GetPackedBitSize() == 128); | ||||
|  | ||||
|     // Decode both color data and texel weight data | ||||
|     u32 colorValues[32]; // Four values, two endpoints, four maximum paritions | ||||
|     DecodeColorValues(colorValues, colorEndpointData, colorEndpointMode, nPartitions, | ||||
|     u32 colorValues[32]; // Four values, two endpos32s, four maximum paritions | ||||
|     DecodeColorValues(colorValues, colorEndpos32Data, colorEndpos32Mode, nPartitions, | ||||
|                       colorDataBits); | ||||
|  | ||||
|     Pixel endpoints[4][2]; | ||||
|     Pixel endpos32s[4][2]; | ||||
|     const u32* colorValuesPtr = colorValues; | ||||
|     for (u32 i = 0; i < nPartitions; i++) { | ||||
|         ComputeEndpoints(endpoints[i][0], endpoints[i][1], colorValuesPtr, colorEndpointMode[i]); | ||||
|         ComputeEndpos32s(endpos32s[i][0], endpos32s[i][1], colorValuesPtr, colorEndpos32Mode[i]); | ||||
|     } | ||||
|  | ||||
|     // Read the texel weight data.. | ||||
| @@ -1551,8 +1550,8 @@ static void DecompressBlock(const u8 inBuf[16], const u32 blockWidth, const u32 | ||||
|     for (u32 i = 0; i < 8; i++) { | ||||
| // Taken from http://graphics.stanford.edu/~seander/bithacks.html#ReverseByteWith64Bits | ||||
| #define REVERSE_BYTE(b) (((b)*0x80200802ULL) & 0x0884422110ULL) * 0x0101010101ULL >> 32 | ||||
|         unsigned char a = static_cast<unsigned char>(REVERSE_BYTE(texelWeightData[i])); | ||||
|         unsigned char b = static_cast<unsigned char>(REVERSE_BYTE(texelWeightData[15 - i])); | ||||
|         u8 a = static_cast<u8>(REVERSE_BYTE(texelWeightData[i])); | ||||
|         u8 b = static_cast<u8>(REVERSE_BYTE(texelWeightData[15 - i])); | ||||
| #undef REVERSE_BYTE | ||||
|  | ||||
|         texelWeightData[i] = b; | ||||
| @@ -1577,7 +1576,7 @@ static void DecompressBlock(const u8 inBuf[16], const u32 blockWidth, const u32 | ||||
|     u32 weights[2][144]; | ||||
|     UnquantizeTexelWeights(weights, texelWeightValues, weightParams, blockWidth, blockHeight); | ||||
|  | ||||
|     // Now that we have endpoints and weights, we can interpolate and generate | ||||
|     // Now that we have endpos32s and weights, we can s32erpolate and generate | ||||
|     // the proper decoding... | ||||
|     for (u32 j = 0; j < blockHeight; j++) | ||||
|         for (u32 i = 0; i < blockWidth; i++) { | ||||
| @@ -1587,9 +1586,9 @@ static void DecompressBlock(const u8 inBuf[16], const u32 blockWidth, const u32 | ||||
|  | ||||
|             Pixel p; | ||||
|             for (u32 c = 0; c < 4; c++) { | ||||
|                 u32 C0 = endpoints[partition][0].Component(c); | ||||
|                 u32 C0 = endpos32s[partition][0].Component(c); | ||||
|                 C0 = Replicate(C0, 8, 16); | ||||
|                 u32 C1 = endpoints[partition][1].Component(c); | ||||
|                 u32 C1 = endpos32s[partition][1].Component(c); | ||||
|                 C1 = Replicate(C1, 8, 16); | ||||
|  | ||||
|                 u32 plane = 0; | ||||
|   | ||||
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