Merge pull request #3631 from ReinUsesLisp/more-astc
texture/astc: More small ASTC optimizations
This commit is contained in:
Mat M
GitHub
commit
c4001225f6
@ -20,6 +20,8 @@
|
||||
#include <cstring>
|
||||
#include <vector>
|
||||
|
||||
#include <boost/container/static_vector.hpp>
|
||||
|
||||
#include "common/common_types.h"
|
||||
|
||||
#include "video_core/textures/astc.h"
|
||||
@ -39,25 +41,25 @@ constexpr u32 Popcnt(u32 n) {
|
||||
|
||||
class InputBitStream {
|
||||
public:
|
||||
explicit InputBitStream(const u8* ptr, std::size_t start_offset = 0)
|
||||
: m_CurByte(ptr), m_NextBit(start_offset % 8) {}
|
||||
constexpr explicit InputBitStream(const u8* ptr, std::size_t start_offset = 0)
|
||||
: cur_byte{ptr}, next_bit{start_offset % 8} {}
|
||||
|
||||
std::size_t GetBitsRead() const {
|
||||
return m_BitsRead;
|
||||
constexpr std::size_t GetBitsRead() const {
|
||||
return bits_read;
|
||||
}
|
||||
|
||||
u32 ReadBit() {
|
||||
u32 bit = *m_CurByte >> m_NextBit++;
|
||||
while (m_NextBit >= 8) {
|
||||
m_NextBit -= 8;
|
||||
m_CurByte++;
|
||||
constexpr bool ReadBit() {
|
||||
const bool bit = (*cur_byte >> next_bit++) & 1;
|
||||
while (next_bit >= 8) {
|
||||
next_bit -= 8;
|
||||
cur_byte++;
|
||||
}
|
||||
|
||||
m_BitsRead++;
|
||||
return bit & 1;
|
||||
bits_read++;
|
||||
return bit;
|
||||
}
|
||||
|
||||
u32 ReadBits(std::size_t nBits) {
|
||||
constexpr u32 ReadBits(std::size_t nBits) {
|
||||
u32 ret = 0;
|
||||
for (std::size_t i = 0; i < nBits; ++i) {
|
||||
ret |= (ReadBit() & 1) << i;
|
||||
@ -66,7 +68,7 @@ public:
|
||||
}
|
||||
|
||||
template <std::size_t nBits>
|
||||
u32 ReadBits() {
|
||||
constexpr u32 ReadBits() {
|
||||
u32 ret = 0;
|
||||
for (std::size_t i = 0; i < nBits; ++i) {
|
||||
ret |= (ReadBit() & 1) << i;
|
||||
@ -75,64 +77,58 @@ public:
|
||||
}
|
||||
|
||||
private:
|
||||
const u8* m_CurByte;
|
||||
std::size_t m_NextBit = 0;
|
||||
std::size_t m_BitsRead = 0;
|
||||
const u8* cur_byte;
|
||||
std::size_t next_bit = 0;
|
||||
std::size_t bits_read = 0;
|
||||
};
|
||||
|
||||
class OutputBitStream {
|
||||
public:
|
||||
explicit OutputBitStream(u8* ptr, s32 nBits = 0, s32 start_offset = 0)
|
||||
: m_NumBits(nBits), m_CurByte(ptr), m_NextBit(start_offset % 8) {}
|
||||
constexpr explicit OutputBitStream(u8* ptr, std::size_t bits = 0, std::size_t start_offset = 0)
|
||||
: cur_byte{ptr}, num_bits{bits}, next_bit{start_offset % 8} {}
|
||||
|
||||
~OutputBitStream() = default;
|
||||
|
||||
s32 GetBitsWritten() const {
|
||||
return m_BitsWritten;
|
||||
constexpr std::size_t GetBitsWritten() const {
|
||||
return bits_written;
|
||||
}
|
||||
|
||||
void WriteBitsR(u32 val, u32 nBits) {
|
||||
constexpr void WriteBitsR(u32 val, u32 nBits) {
|
||||
for (u32 i = 0; i < nBits; i++) {
|
||||
WriteBit((val >> (nBits - i - 1)) & 1);
|
||||
}
|
||||
}
|
||||
|
||||
void WriteBits(u32 val, u32 nBits) {
|
||||
constexpr void WriteBits(u32 val, u32 nBits) {
|
||||
for (u32 i = 0; i < nBits; i++) {
|
||||
WriteBit((val >> i) & 1);
|
||||
}
|
||||
}
|
||||
|
||||
private:
|
||||
void WriteBit(s32 b) {
|
||||
|
||||
if (done)
|
||||
constexpr void WriteBit(bool b) {
|
||||
if (bits_written >= num_bits) {
|
||||
return;
|
||||
}
|
||||
|
||||
const u32 mask = 1 << m_NextBit++;
|
||||
const u32 mask = 1 << next_bit++;
|
||||
|
||||
// clear the bit
|
||||
*m_CurByte &= static_cast<u8>(~mask);
|
||||
*cur_byte &= static_cast<u8>(~mask);
|
||||
|
||||
// Write the bit, if necessary
|
||||
if (b)
|
||||
*m_CurByte |= static_cast<u8>(mask);
|
||||
*cur_byte |= static_cast<u8>(mask);
|
||||
|
||||
// Next byte?
|
||||
if (m_NextBit >= 8) {
|
||||
m_CurByte += 1;
|
||||
m_NextBit = 0;
|
||||
if (next_bit >= 8) {
|
||||
cur_byte += 1;
|
||||
next_bit = 0;
|
||||
}
|
||||
}
|
||||
|
||||
done = done || ++m_BitsWritten >= m_NumBits;
|
||||
}
|
||||
|
||||
s32 m_BitsWritten = 0;
|
||||
const s32 m_NumBits;
|
||||
u8* m_CurByte;
|
||||
s32 m_NextBit = 0;
|
||||
|
||||
bool done = false;
|
||||
u8* cur_byte;
|
||||
std::size_t num_bits;
|
||||
std::size_t bits_written = 0;
|
||||
std::size_t next_bit = 0;
|
||||
};
|
||||
|
||||
template <typename IntType>
|
||||
@ -195,9 +191,13 @@ struct IntegerEncodedValue {
|
||||
u32 trit_value;
|
||||
};
|
||||
};
|
||||
using IntegerEncodedVector = boost::container::static_vector<
|
||||
IntegerEncodedValue, 64,
|
||||
boost::container::static_vector_options<
|
||||
boost::container::inplace_alignment<alignof(IntegerEncodedValue)>,
|
||||
boost::container::throw_on_overflow<false>>::type>;
|
||||
|
||||
static void DecodeTritBlock(InputBitStream& bits, std::vector<IntegerEncodedValue>& result,
|
||||
u32 nBitsPerValue) {
|
||||
static void DecodeTritBlock(InputBitStream& bits, IntegerEncodedVector& result, u32 nBitsPerValue) {
|
||||
// Implement the algorithm in section C.2.12
|
||||
u32 m[5];
|
||||
u32 t[5];
|
||||
@ -255,7 +255,7 @@ static void DecodeTritBlock(InputBitStream& bits, std::vector<IntegerEncodedValu
|
||||
}
|
||||
}
|
||||
|
||||
static void DecodeQus32Block(InputBitStream& bits, std::vector<IntegerEncodedValue>& result,
|
||||
static void DecodeQus32Block(InputBitStream& bits, IntegerEncodedVector& result,
|
||||
u32 nBitsPerValue) {
|
||||
// Implement the algorithm in section C.2.12
|
||||
u32 m[3];
|
||||
@ -343,8 +343,8 @@ static constexpr std::array EncodingsValues = MakeEncodedValues();
|
||||
// Fills result with the values that are encoded in the given
|
||||
// bitstream. We must know beforehand what the maximum possible
|
||||
// value is, and how many values we're decoding.
|
||||
static void DecodeIntegerSequence(std::vector<IntegerEncodedValue>& result, InputBitStream& bits,
|
||||
u32 maxRange, u32 nValues) {
|
||||
static void DecodeIntegerSequence(IntegerEncodedVector& result, InputBitStream& bits, u32 maxRange,
|
||||
u32 nValues) {
|
||||
// Determine encoding parameters
|
||||
IntegerEncodedValue val = EncodingsValues[maxRange];
|
||||
|
||||
@ -634,12 +634,14 @@ static void FillError(u32* outBuf, u32 blockWidth, u32 blockHeight) {
|
||||
// Replicates low numBits such that [(toBit - 1):(toBit - 1 - fromBit)]
|
||||
// is the same as [(numBits - 1):0] and repeats all the way down.
|
||||
template <typename IntType>
|
||||
static IntType Replicate(IntType val, u32 numBits, u32 toBit) {
|
||||
if (numBits == 0)
|
||||
static constexpr IntType Replicate(IntType val, u32 numBits, u32 toBit) {
|
||||
if (numBits == 0) {
|
||||
return 0;
|
||||
if (toBit == 0)
|
||||
}
|
||||
if (toBit == 0) {
|
||||
return 0;
|
||||
IntType v = val & static_cast<IntType>((1 << numBits) - 1);
|
||||
}
|
||||
const IntType v = val & static_cast<IntType>((1 << numBits) - 1);
|
||||
IntType res = v;
|
||||
u32 reslen = numBits;
|
||||
while (reslen < toBit) {
|
||||
@ -656,6 +658,89 @@ static IntType Replicate(IntType val, u32 numBits, u32 toBit) {
|
||||
return res;
|
||||
}
|
||||
|
||||
static constexpr std::size_t NumReplicateEntries(u32 num_bits) {
|
||||
return std::size_t(1) << num_bits;
|
||||
}
|
||||
|
||||
template <typename IntType, u32 num_bits, u32 to_bit>
|
||||
static constexpr auto MakeReplicateTable() {
|
||||
std::array<IntType, NumReplicateEntries(num_bits)> table{};
|
||||
for (IntType value = 0; value < static_cast<IntType>(std::size(table)); ++value) {
|
||||
table[value] = Replicate(value, num_bits, to_bit);
|
||||
}
|
||||
return table;
|
||||
}
|
||||
|
||||
static constexpr auto REPLICATE_BYTE_TO_16_TABLE = MakeReplicateTable<u32, 8, 16>();
|
||||
static constexpr u32 ReplicateByteTo16(std::size_t value) {
|
||||
return REPLICATE_BYTE_TO_16_TABLE[value];
|
||||
}
|
||||
|
||||
static constexpr auto REPLICATE_BIT_TO_7_TABLE = MakeReplicateTable<u32, 1, 7>();
|
||||
static constexpr u32 ReplicateBitTo7(std::size_t value) {
|
||||
return REPLICATE_BIT_TO_7_TABLE[value];
|
||||
}
|
||||
|
||||
static constexpr auto REPLICATE_BIT_TO_9_TABLE = MakeReplicateTable<u32, 1, 9>();
|
||||
static constexpr u32 ReplicateBitTo9(std::size_t value) {
|
||||
return REPLICATE_BIT_TO_9_TABLE[value];
|
||||
}
|
||||
|
||||
static constexpr auto REPLICATE_1_BIT_TO_8_TABLE = MakeReplicateTable<u32, 1, 8>();
|
||||
static constexpr auto REPLICATE_2_BIT_TO_8_TABLE = MakeReplicateTable<u32, 2, 8>();
|
||||
static constexpr auto REPLICATE_3_BIT_TO_8_TABLE = MakeReplicateTable<u32, 3, 8>();
|
||||
static constexpr auto REPLICATE_4_BIT_TO_8_TABLE = MakeReplicateTable<u32, 4, 8>();
|
||||
static constexpr auto REPLICATE_5_BIT_TO_8_TABLE = MakeReplicateTable<u32, 5, 8>();
|
||||
static constexpr auto REPLICATE_6_BIT_TO_8_TABLE = MakeReplicateTable<u32, 6, 8>();
|
||||
static constexpr auto REPLICATE_7_BIT_TO_8_TABLE = MakeReplicateTable<u32, 7, 8>();
|
||||
static constexpr auto REPLICATE_8_BIT_TO_8_TABLE = MakeReplicateTable<u32, 8, 8>();
|
||||
/// Use a precompiled table with the most common usages, if it's not in the expected range, fallback
|
||||
/// to the runtime implementation
|
||||
static constexpr u32 FastReplicateTo8(u32 value, u32 num_bits) {
|
||||
switch (num_bits) {
|
||||
case 1:
|
||||
return REPLICATE_1_BIT_TO_8_TABLE[value];
|
||||
case 2:
|
||||
return REPLICATE_2_BIT_TO_8_TABLE[value];
|
||||
case 3:
|
||||
return REPLICATE_3_BIT_TO_8_TABLE[value];
|
||||
case 4:
|
||||
return REPLICATE_4_BIT_TO_8_TABLE[value];
|
||||
case 5:
|
||||
return REPLICATE_5_BIT_TO_8_TABLE[value];
|
||||
case 6:
|
||||
return REPLICATE_6_BIT_TO_8_TABLE[value];
|
||||
case 7:
|
||||
return REPLICATE_7_BIT_TO_8_TABLE[value];
|
||||
case 8:
|
||||
return REPLICATE_8_BIT_TO_8_TABLE[value];
|
||||
default:
|
||||
return Replicate(value, num_bits, 8);
|
||||
}
|
||||
}
|
||||
|
||||
static constexpr auto REPLICATE_1_BIT_TO_6_TABLE = MakeReplicateTable<u32, 1, 6>();
|
||||
static constexpr auto REPLICATE_2_BIT_TO_6_TABLE = MakeReplicateTable<u32, 2, 6>();
|
||||
static constexpr auto REPLICATE_3_BIT_TO_6_TABLE = MakeReplicateTable<u32, 3, 6>();
|
||||
static constexpr auto REPLICATE_4_BIT_TO_6_TABLE = MakeReplicateTable<u32, 4, 6>();
|
||||
static constexpr auto REPLICATE_5_BIT_TO_6_TABLE = MakeReplicateTable<u32, 5, 6>();
|
||||
static constexpr u32 FastReplicateTo6(u32 value, u32 num_bits) {
|
||||
switch (num_bits) {
|
||||
case 1:
|
||||
return REPLICATE_1_BIT_TO_6_TABLE[value];
|
||||
case 2:
|
||||
return REPLICATE_2_BIT_TO_6_TABLE[value];
|
||||
case 3:
|
||||
return REPLICATE_3_BIT_TO_6_TABLE[value];
|
||||
case 4:
|
||||
return REPLICATE_4_BIT_TO_6_TABLE[value];
|
||||
case 5:
|
||||
return REPLICATE_5_BIT_TO_6_TABLE[value];
|
||||
default:
|
||||
return Replicate(value, num_bits, 6);
|
||||
}
|
||||
}
|
||||
|
||||
class Pixel {
|
||||
protected:
|
||||
using ChannelType = s16;
|
||||
@ -674,10 +759,10 @@ public:
|
||||
// significant bits when going from larger to smaller bit depth
|
||||
// or by repeating the most significant bits when going from
|
||||
// smaller to larger bit depths.
|
||||
void ChangeBitDepth(const u8 (&depth)[4]) {
|
||||
void ChangeBitDepth() {
|
||||
for (u32 i = 0; i < 4; i++) {
|
||||
Component(i) = ChangeBitDepth(Component(i), m_BitDepth[i], depth[i]);
|
||||
m_BitDepth[i] = depth[i];
|
||||
Component(i) = ChangeBitDepth(Component(i), m_BitDepth[i]);
|
||||
m_BitDepth[i] = 8;
|
||||
}
|
||||
}
|
||||
|
||||
@ -689,29 +774,24 @@ public:
|
||||
|
||||
// Changes the bit depth of a single component. See the comment
|
||||
// above for how we do this.
|
||||
static ChannelType ChangeBitDepth(Pixel::ChannelType val, u8 oldDepth, u8 newDepth) {
|
||||
assert(newDepth <= 8);
|
||||
static ChannelType ChangeBitDepth(Pixel::ChannelType val, u8 oldDepth) {
|
||||
assert(oldDepth <= 8);
|
||||
|
||||
if (oldDepth == newDepth) {
|
||||
if (oldDepth == 8) {
|
||||
// Do nothing
|
||||
return val;
|
||||
} else if (oldDepth == 0 && newDepth != 0) {
|
||||
return static_cast<ChannelType>((1 << newDepth) - 1);
|
||||
} else if (newDepth > oldDepth) {
|
||||
return Replicate(val, oldDepth, newDepth);
|
||||
} else if (oldDepth == 0) {
|
||||
return static_cast<ChannelType>((1 << 8) - 1);
|
||||
} else if (8 > oldDepth) {
|
||||
return static_cast<ChannelType>(FastReplicateTo8(static_cast<u32>(val), oldDepth));
|
||||
} else {
|
||||
// oldDepth > newDepth
|
||||
if (newDepth == 0) {
|
||||
return 0xFF;
|
||||
} else {
|
||||
u8 bitsWasted = static_cast<u8>(oldDepth - newDepth);
|
||||
const u8 bitsWasted = static_cast<u8>(oldDepth - 8);
|
||||
u16 v = static_cast<u16>(val);
|
||||
v = static_cast<u16>((v + (1 << (bitsWasted - 1))) >> bitsWasted);
|
||||
v = ::std::min<u16>(::std::max<u16>(0, v), static_cast<u16>((1 << newDepth) - 1));
|
||||
v = ::std::min<u16>(::std::max<u16>(0, v), static_cast<u16>((1 << 8) - 1));
|
||||
return static_cast<u8>(v);
|
||||
}
|
||||
}
|
||||
|
||||
assert(false && "We shouldn't get here.");
|
||||
return 0;
|
||||
@ -760,8 +840,7 @@ public:
|
||||
// up in the most-significant byte.
|
||||
u32 Pack() const {
|
||||
Pixel eightBit(*this);
|
||||
const u8 eightBitDepth[4] = {8, 8, 8, 8};
|
||||
eightBit.ChangeBitDepth(eightBitDepth);
|
||||
eightBit.ChangeBitDepth();
|
||||
|
||||
u32 r = 0;
|
||||
r |= eightBit.A();
|
||||
@ -816,8 +895,7 @@ static void DecodeColorValues(u32* out, u8* data, const u32* modes, const u32 nP
|
||||
}
|
||||
|
||||
// We now have enough to decode our integer sequence.
|
||||
std::vector<IntegerEncodedValue> decodedColorValues;
|
||||
decodedColorValues.reserve(32);
|
||||
IntegerEncodedVector decodedColorValues;
|
||||
|
||||
InputBitStream colorStream(data);
|
||||
DecodeIntegerSequence(decodedColorValues, colorStream, range, nValues);
|
||||
@ -839,12 +917,12 @@ static void DecodeColorValues(u32* out, u8* data, const u32* modes, const u32 nP
|
||||
|
||||
u32 A = 0, B = 0, C = 0, D = 0;
|
||||
// A is just the lsb replicated 9 times.
|
||||
A = Replicate(bitval & 1, 1, 9);
|
||||
A = ReplicateBitTo9(bitval & 1);
|
||||
|
||||
switch (val.encoding) {
|
||||
// Replicate bits
|
||||
case IntegerEncoding::JustBits:
|
||||
out[outIdx++] = Replicate(bitval, bitlen, 8);
|
||||
out[outIdx++] = FastReplicateTo8(bitval, bitlen);
|
||||
break;
|
||||
|
||||
// Use algorithm in C.2.13
|
||||
@ -962,13 +1040,13 @@ static u32 UnquantizeTexelWeight(const IntegerEncodedValue& val) {
|
||||
u32 bitval = val.bit_value;
|
||||
u32 bitlen = val.num_bits;
|
||||
|
||||
u32 A = Replicate(bitval & 1, 1, 7);
|
||||
u32 A = ReplicateBitTo7(bitval & 1);
|
||||
u32 B = 0, C = 0, D = 0;
|
||||
|
||||
u32 result = 0;
|
||||
switch (val.encoding) {
|
||||
case IntegerEncoding::JustBits:
|
||||
result = Replicate(bitval, bitlen, 6);
|
||||
result = FastReplicateTo6(bitval, bitlen);
|
||||
break;
|
||||
|
||||
case IntegerEncoding::Trit: {
|
||||
@ -1047,7 +1125,7 @@ static u32 UnquantizeTexelWeight(const IntegerEncodedValue& val) {
|
||||
return result;
|
||||
}
|
||||
|
||||
static void UnquantizeTexelWeights(u32 out[2][144], const std::vector<IntegerEncodedValue>& weights,
|
||||
static void UnquantizeTexelWeights(u32 out[2][144], const IntegerEncodedVector& weights,
|
||||
const TexelWeightParams& params, const u32 blockWidth,
|
||||
const u32 blockHeight) {
|
||||
u32 weightIdx = 0;
|
||||
@ -1545,8 +1623,7 @@ static void DecompressBlock(const u8 inBuf[16], const u32 blockWidth, const u32
|
||||
static_cast<u8>((1 << (weightParams.GetPackedBitSize() % 8)) - 1);
|
||||
memset(texelWeightData + clearByteStart, 0, 16 - clearByteStart);
|
||||
|
||||
std::vector<IntegerEncodedValue> texelWeightValues;
|
||||
texelWeightValues.reserve(64);
|
||||
IntegerEncodedVector texelWeightValues;
|
||||
|
||||
InputBitStream weightStream(texelWeightData);
|
||||
|
||||
@ -1568,9 +1645,9 @@ static void DecompressBlock(const u8 inBuf[16], const u32 blockWidth, const u32
|
||||
Pixel p;
|
||||
for (u32 c = 0; c < 4; c++) {
|
||||
u32 C0 = endpos32s[partition][0].Component(c);
|
||||
C0 = Replicate(C0, 8, 16);
|
||||
C0 = ReplicateByteTo16(C0);
|
||||
u32 C1 = endpos32s[partition][1].Component(c);
|
||||
C1 = Replicate(C1, 8, 16);
|
||||
C1 = ReplicateByteTo16(C1);
|
||||
|
||||
u32 plane = 0;
|
||||
if (weightParams.m_bDualPlane && (((planeIdx + 1) & 3) == c)) {
|
||||
|
||||
Loading…
Reference in New Issue
Block a user