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command_generator: Make lookup table static constexpr

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Allows compilers to elide needing to push these values on the stack
every time the function is called.
This commit is contained in:
Lioncash 2020-09-25 18:30:49 -04:00
parent 7c0908f301
commit 90c6141164
1 changed files with 3 additions and 2 deletions
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5
src/audio_core/command_generator.cpp
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@ -726,8 +726,9 @@ s32 CommandGenerator::DecodeAdpcm(ServerVoiceInfo& voice_info, VoiceState& dsp_s
return 0; return 0;
} }
constexpr std::array<int, 16> SIGNED_NIBBLES = { static constexpr std::array<int, 16> SIGNED_NIBBLES{
{0, 1, 2, 3, 4, 5, 6, 7, -8, -7, -6, -5, -4, -3, -2, -1}}; 0, 1, 2, 3, 4, 5, 6, 7, -8, -7, -6, -5, -4, -3, -2, -1,
};
constexpr std::size_t FRAME_LEN = 8; constexpr std::size_t FRAME_LEN = 8;
constexpr std::size_t NIBBLES_PER_SAMPLE = 16; constexpr std::size_t NIBBLES_PER_SAMPLE = 16;