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astc_decoder.comp: Remove unnecessary LUT SSBOs

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We can move them to instead be compile time constants within the shader.
This commit is contained in:
ameerj 2021-06-19 10:56:13 -04:00
parent 31b125ef57
commit ace20ba4a4
5 changed files with 34 additions and 113 deletions
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8
src/video_core/textures/astc.cpp
View file

@ -269,7 +269,7 @@ static void DecodeQuintBlock(InputBitStream& bits, IntegerEncodedVector& result,
static void DecodeIntegerSequence(IntegerEncodedVector& result, InputBitStream& bits, u32 maxRange,
u32 nValues) {
// Determine encoding parameters
IntegerEncodedValue val = EncodingsValues[maxRange];
IntegerEncodedValue val = ASTC_ENCODINGS_VALUES[maxRange];
// Start decoding
u32 nValsDecoded = 0;
@ -310,7 +310,7 @@ struct TexelWeightParams {
nIdxs *= 2;
}
return EncodingsValues[m_MaxWeight].GetBitLength(nIdxs);
return ASTC_ENCODINGS_VALUES[m_MaxWeight].GetBitLength(nIdxs);
}
u32 GetNumWeightValues() const {
@ -755,12 +755,12 @@ static void DecodeColorValues(u32* out, std::span<u8> data, const u32* modes, co
// figure out the max value for each of them...
u32 range = 256;
while (--range > 0) {
IntegerEncodedValue val = EncodingsValues[range];
IntegerEncodedValue val = ASTC_ENCODINGS_VALUES[range];
u32 bitLength = val.GetBitLength(nValues);
if (bitLength <= nBitsForColorData) {
// Find the smallest possible range that matches the given encoding
while (--range > 0) {
IntegerEncodedValue newval = EncodingsValues[range];
IntegerEncodedValue newval = ASTC_ENCODINGS_VALUES[range];
if (!newval.MatchesEncoding(val)) {
break;
}

9
src/video_core/textures/astc.h
View file

@ -77,7 +77,7 @@ constexpr std::array<IntegerEncodedValue, 256> MakeEncodedValues() {
return encodings;
}
constexpr std::array<IntegerEncodedValue, 256> EncodingsValues = 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.
@ -120,13 +120,6 @@ 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>();
struct AstcBufferData {
decltype(EncodingsValues) encoding_values = EncodingsValues;
decltype(REPLICATE_6_BIT_TO_8_TABLE) replicate_6_to_8 = REPLICATE_6_BIT_TO_8_TABLE;
decltype(REPLICATE_7_BIT_TO_8_TABLE) replicate_7_to_8 = REPLICATE_7_BIT_TO_8_TABLE;
decltype(REPLICATE_8_BIT_TO_8_TABLE) replicate_8_to_8 = REPLICATE_8_BIT_TO_8_TABLE;
} constexpr ASTC_BUFFER_DATA;
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);