forked from ShuriZma/suyu
astc.h: Move data to cpp implementation
Moves leftover values that are no longer used by the gpu decoder back to the cpp implementation.
This commit is contained in:
parent
7cf0958b06
commit
15c0c213b1
|
@ -521,35 +521,41 @@ static TexelWeightParams DecodeBlockInfo(InputBitStream& strm) {
|
||||||
return params;
|
return params;
|
||||||
}
|
}
|
||||||
|
|
||||||
static void FillVoidExtentLDR(InputBitStream& strm, std::span<u32> outBuf, u32 blockWidth,
|
// Replicates low num_bits such that [(to_bit - 1):(to_bit - 1 - from_bit)]
|
||||||
u32 blockHeight) {
|
// is the same as [(num_bits - 1):0] and repeats all the way down.
|
||||||
// Don't actually care about the void extent, just read the bits...
|
template <typename IntType>
|
||||||
for (s32 i = 0; i < 4; ++i) {
|
static constexpr IntType Replicate(IntType val, u32 num_bits, u32 to_bit) {
|
||||||
strm.ReadBits<13>();
|
if (num_bits == 0 || to_bit == 0) {
|
||||||
|
return 0;
|
||||||
}
|
}
|
||||||
|
const IntType v = val & static_cast<IntType>((1 << num_bits) - 1);
|
||||||
// Decode the RGBA components and renormalize them to the range [0, 255]
|
IntType res = v;
|
||||||
u16 r = static_cast<u16>(strm.ReadBits<16>());
|
u32 reslen = num_bits;
|
||||||
u16 g = static_cast<u16>(strm.ReadBits<16>());
|
while (reslen < to_bit) {
|
||||||
u16 b = static_cast<u16>(strm.ReadBits<16>());
|
u32 comp = 0;
|
||||||
u16 a = static_cast<u16>(strm.ReadBits<16>());
|
if (num_bits > to_bit - reslen) {
|
||||||
|
u32 newshift = to_bit - reslen;
|
||||||
u32 rgba = (r >> 8) | (g & 0xFF00) | (static_cast<u32>(b) & 0xFF00) << 8 |
|
comp = num_bits - newshift;
|
||||||
(static_cast<u32>(a) & 0xFF00) << 16;
|
num_bits = newshift;
|
||||||
|
|
||||||
for (u32 j = 0; j < blockHeight; j++) {
|
|
||||||
for (u32 i = 0; i < blockWidth; i++) {
|
|
||||||
outBuf[j * blockWidth + i] = rgba;
|
|
||||||
}
|
}
|
||||||
|
res = static_cast<IntType>(res << num_bits);
|
||||||
|
res = static_cast<IntType>(res | (v >> comp));
|
||||||
|
reslen += num_bits;
|
||||||
}
|
}
|
||||||
|
return res;
|
||||||
}
|
}
|
||||||
|
|
||||||
static void FillError(std::span<u32> outBuf, u32 blockWidth, u32 blockHeight) {
|
static constexpr std::size_t NumReplicateEntries(u32 num_bits) {
|
||||||
for (u32 j = 0; j < blockHeight; j++) {
|
return std::size_t(1) << num_bits;
|
||||||
for (u32 i = 0; i < blockWidth; i++) {
|
}
|
||||||
outBuf[j * blockWidth + i] = 0xFFFF00FF;
|
|
||||||
}
|
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 auto REPLICATE_BYTE_TO_16_TABLE = MakeReplicateTable<u32, 8, 16>();
|
||||||
|
@ -572,6 +578,9 @@ 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_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_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_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
|
/// Use a precompiled table with the most common usages, if it's not in the expected range, fallback
|
||||||
/// to the runtime implementation
|
/// to the runtime implementation
|
||||||
static constexpr u32 FastReplicateTo8(u32 value, u32 num_bits) {
|
static constexpr u32 FastReplicateTo8(u32 value, u32 num_bits) {
|
||||||
|
@ -1316,6 +1325,37 @@ static void ComputeEndpoints(Pixel& ep1, Pixel& ep2, const u32*& colorValues,
|
||||||
#undef READ_INT_VALUES
|
#undef READ_INT_VALUES
|
||||||
}
|
}
|
||||||
|
|
||||||
|
static void FillVoidExtentLDR(InputBitStream& strm, std::span<u32> outBuf, u32 blockWidth,
|
||||||
|
u32 blockHeight) {
|
||||||
|
// Don't actually care about the void extent, just read the bits...
|
||||||
|
for (s32 i = 0; i < 4; ++i) {
|
||||||
|
strm.ReadBits<13>();
|
||||||
|
}
|
||||||
|
|
||||||
|
// Decode the RGBA components and renormalize them to the range [0, 255]
|
||||||
|
u16 r = static_cast<u16>(strm.ReadBits<16>());
|
||||||
|
u16 g = static_cast<u16>(strm.ReadBits<16>());
|
||||||
|
u16 b = static_cast<u16>(strm.ReadBits<16>());
|
||||||
|
u16 a = static_cast<u16>(strm.ReadBits<16>());
|
||||||
|
|
||||||
|
u32 rgba = (r >> 8) | (g & 0xFF00) | (static_cast<u32>(b) & 0xFF00) << 8 |
|
||||||
|
(static_cast<u32>(a) & 0xFF00) << 16;
|
||||||
|
|
||||||
|
for (u32 j = 0; j < blockHeight; j++) {
|
||||||
|
for (u32 i = 0; i < blockWidth; i++) {
|
||||||
|
outBuf[j * blockWidth + i] = rgba;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static void FillError(std::span<u32> outBuf, u32 blockWidth, u32 blockHeight) {
|
||||||
|
for (u32 j = 0; j < blockHeight; j++) {
|
||||||
|
for (u32 i = 0; i < blockWidth; i++) {
|
||||||
|
outBuf[j * blockWidth + i] = 0xFFFF00FF;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
static void DecompressBlock(std::span<const u8, 16> inBuf, const u32 blockWidth,
|
static void DecompressBlock(std::span<const u8, 16> inBuf, const u32 blockWidth,
|
||||||
const u32 blockHeight, std::span<u32, 12 * 12> outBuf) {
|
const u32 blockHeight, std::span<u32, 12 * 12> outBuf) {
|
||||||
InputBitStream strm(inBuf);
|
InputBitStream strm(inBuf);
|
||||||
|
|
|
@ -79,47 +79,6 @@ constexpr std::array<IntegerEncodedValue, 256> MakeEncodedValues() {
|
||||||
|
|
||||||
constexpr std::array<IntegerEncodedValue, 256> ASTC_ENCODINGS_VALUES = MakeEncodedValues();
|
constexpr std::array<IntegerEncodedValue, 256> ASTC_ENCODINGS_VALUES = MakeEncodedValues();
|
||||||
|
|
||||||
// Replicates low num_bits such that [(to_bit - 1):(to_bit - 1 - from_bit)]
|
|
||||||
// is the same as [(num_bits - 1):0] and repeats all the way down.
|
|
||||||
template <typename IntType>
|
|
||||||
constexpr IntType Replicate(IntType val, u32 num_bits, u32 to_bit) {
|
|
||||||
if (num_bits == 0 || to_bit == 0) {
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
const IntType v = val & static_cast<IntType>((1 << num_bits) - 1);
|
|
||||||
IntType res = v;
|
|
||||||
u32 reslen = num_bits;
|
|
||||||
while (reslen < to_bit) {
|
|
||||||
u32 comp = 0;
|
|
||||||
if (num_bits > to_bit - reslen) {
|
|
||||||
u32 newshift = to_bit - reslen;
|
|
||||||
comp = num_bits - newshift;
|
|
||||||
num_bits = newshift;
|
|
||||||
}
|
|
||||||
res = static_cast<IntType>(res << num_bits);
|
|
||||||
res = static_cast<IntType>(res | (v >> comp));
|
|
||||||
reslen += num_bits;
|
|
||||||
}
|
|
||||||
return res;
|
|
||||||
}
|
|
||||||
|
|
||||||
constexpr std::size_t NumReplicateEntries(u32 num_bits) {
|
|
||||||
return std::size_t(1) << num_bits;
|
|
||||||
}
|
|
||||||
|
|
||||||
template <typename IntType, u32 num_bits, u32 to_bit>
|
|
||||||
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;
|
|
||||||
}
|
|
||||||
|
|
||||||
constexpr auto REPLICATE_6_BIT_TO_8_TABLE = MakeReplicateTable<u32, 6, 8>();
|
|
||||||
constexpr auto REPLICATE_7_BIT_TO_8_TABLE = MakeReplicateTable<u32, 7, 8>();
|
|
||||||
constexpr auto REPLICATE_8_BIT_TO_8_TABLE = MakeReplicateTable<u32, 8, 8>();
|
|
||||||
|
|
||||||
void Decompress(std::span<const uint8_t> data, uint32_t width, uint32_t height, uint32_t depth,
|
void Decompress(std::span<const uint8_t> data, uint32_t width, uint32_t height, uint32_t depth,
|
||||||
uint32_t block_width, uint32_t block_height, std::span<uint8_t> output);
|
uint32_t block_width, uint32_t block_height, std::span<uint8_t> output);
|
||||||
|
|
||||||
|
|
Loading…
Reference in New Issue