diff options
Diffstat (limited to 'src/video_core/textures/astc.cpp')
| -rw-r--r-- | src/video_core/textures/astc.cpp | 59 |
1 files changed, 57 insertions, 2 deletions
diff --git a/src/video_core/textures/astc.cpp b/src/video_core/textures/astc.cpp index 0985cb578..55f9aa0e4 100644 --- a/src/video_core/textures/astc.cpp +++ b/src/video_core/textures/astc.cpp @@ -680,6 +680,61 @@ 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; @@ -868,7 +923,7 @@ static void DecodeColorValues(u32* out, u8* data, const u32* modes, const u32 nP 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 @@ -992,7 +1047,7 @@ static u32 UnquantizeTexelWeight(const IntegerEncodedValue& val) { u32 result = 0; switch (val.encoding) { case IntegerEncoding::JustBits: - result = Replicate(bitval, bitlen, 6); + result = FastReplicateTo6(bitval, bitlen); break; case IntegerEncoding::Trit: { |