summaryrefslogtreecommitdiffstats
path: root/src/video_core/textures/astc.h
diff options
context:
space:
mode:
authorameerj <52414509+ameerj@users.noreply.github.com>2021-07-05 04:07:53 +0200
committerameerj <52414509+ameerj@users.noreply.github.com>2021-08-01 03:26:42 +0200
commit15c0c213b1efb63f1d6f4900409fca8c8984e973 (patch)
tree94c6cdd4450f5a6b732241b756afad21ccc38b09 /src/video_core/textures/astc.h
parentMerge pull request #6788 from Morph1984/hle_api_12.1.0 (diff)
downloadyuzu-15c0c213b1efb63f1d6f4900409fca8c8984e973.tar
yuzu-15c0c213b1efb63f1d6f4900409fca8c8984e973.tar.gz
yuzu-15c0c213b1efb63f1d6f4900409fca8c8984e973.tar.bz2
yuzu-15c0c213b1efb63f1d6f4900409fca8c8984e973.tar.lz
yuzu-15c0c213b1efb63f1d6f4900409fca8c8984e973.tar.xz
yuzu-15c0c213b1efb63f1d6f4900409fca8c8984e973.tar.zst
yuzu-15c0c213b1efb63f1d6f4900409fca8c8984e973.zip
Diffstat (limited to '')
-rw-r--r--src/video_core/textures/astc.h41
1 files changed, 0 insertions, 41 deletions
diff --git a/src/video_core/textures/astc.h b/src/video_core/textures/astc.h
index 0229ae122..9e148afc4 100644
--- a/src/video_core/textures/astc.h
+++ b/src/video_core/textures/astc.h
@@ -79,47 +79,6 @@ constexpr std::array<IntegerEncodedValue, 256> 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,
uint32_t block_width, uint32_t block_height, std::span<uint8_t> output);