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astc: Rename C types to common_types

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This commit is contained in:
ReinUsesLisp 2020-03-13 22:28:51 -03:00
parent 835a3d09c6
commit e7d97605e8
1 changed files with 78 additions and 79 deletions
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157
src/video_core/textures/astc.cpp
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@ -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;