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codecs/vp9: Use u8 for norm and map luts

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Using this smaller type saves 1536 bytes in the compiled executable.
This commit is contained in:
Morph 2022-05-13 00:23:41 -04:00
parent eea68eae18
commit b3f8c7ce58
1 changed files with 4 additions and 4 deletions
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8
src/video_core/command_classes/codecs/vp9.cpp
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@ -153,7 +153,7 @@ constexpr Vp9EntropyProbs default_probs{
.high_precision{128, 128},
};
constexpr std::array<s32, 256> norm_lut{
constexpr std::array<u8, 256> norm_lut{
0, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
@ -164,7 +164,7 @@ constexpr std::array<s32, 256> norm_lut{
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
};
constexpr std::array<s32, 254> map_lut{
constexpr std::array<u8, 254> map_lut{
20, 21, 22, 23, 24, 25, 0, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37,
1, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 2, 50, 51, 52, 53, 54,
55, 56, 57, 58, 59, 60, 61, 3, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72,
@ -232,7 +232,7 @@ constexpr std::array<s32, 254> map_lut{
std::max(0, RecenterNonNeg(0xff - 1 - new_prob, 0xff - 1 - old_prob) - 1));
}
return map_lut[index];
return static_cast<s32>(map_lut[index]);
}
} // Anonymous namespace
@ -819,7 +819,7 @@ void VpxRangeEncoder::Write(bool bit, s32 probability) {
local_range = range - split;
}
s32 shift = norm_lut[local_range];
s32 shift = static_cast<s32>(norm_lut[local_range]);
local_range <<= shift;
count += shift;