diff options
| author | Chris Robinson <[email protected]> | 2019-10-13 09:37:07 -0700 |
|---|---|---|
| committer | Chris Robinson <[email protected]> | 2019-10-13 09:37:07 -0700 |
| commit | 33fd1f9efd46c056cd4348e76cd9048b37721c8b (patch) | |
| tree | c8c3ca61c99a958c75393bf960c895683f0dbbab /alc/alu.cpp | |
| parent | e70f98c95afc61802b26795dbe8aeb20514a211b (diff) | |
Use better types for some specific sizes
Diffstat (limited to 'alc/alu.cpp')
| -rw-r--r-- | alc/alu.cpp | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/alc/alu.cpp b/alc/alu.cpp index 8c2ee164..5cd8c918 100644 --- a/alc/alu.cpp +++ b/alc/alu.cpp @@ -1654,11 +1654,11 @@ void ApplyDither(const al::span<FloatBufferLine> Samples, ALuint *dither_seed, * chokes on that given the inline specializations. */ template<typename T> -inline T SampleConv(ALfloat) noexcept; +inline T SampleConv(float) noexcept; -template<> inline ALfloat SampleConv(ALfloat val) noexcept +template<> inline float SampleConv(float val) noexcept { return val; } -template<> inline ALint SampleConv(ALfloat val) noexcept +template<> inline int32_t SampleConv(float val) noexcept { /* Floats have a 23-bit mantissa, plus an implied 1 bit and a sign bit. * This means a normalized float has at most 25 bits of signed precision. @@ -1667,21 +1667,21 @@ template<> inline ALint SampleConv(ALfloat val) noexcept */ return fastf2i(clampf(val*2147483648.0f, -2147483648.0f, 2147483520.0f)); } -template<> inline ALshort SampleConv(ALfloat val) noexcept -{ return static_cast<ALshort>(fastf2i(clampf(val*32768.0f, -32768.0f, 32767.0f))); } -template<> inline ALbyte SampleConv(ALfloat val) noexcept -{ return static_cast<ALbyte>(fastf2i(clampf(val*128.0f, -128.0f, 127.0f))); } +template<> inline int16_t SampleConv(float val) noexcept +{ return static_cast<int16_t>(fastf2i(clampf(val*32768.0f, -32768.0f, 32767.0f))); } +template<> inline int8_t SampleConv(float val) noexcept +{ return static_cast<int8_t>(fastf2i(clampf(val*128.0f, -128.0f, 127.0f))); } /* Define unsigned output variations. */ -template<> inline ALuint SampleConv(ALfloat val) noexcept -{ return static_cast<ALuint>(SampleConv<ALint>(val)) + 2147483648u; } -template<> inline ALushort SampleConv(ALfloat val) noexcept -{ return static_cast<ALushort>(SampleConv<ALshort>(val) + 32768); } -template<> inline ALubyte SampleConv(ALfloat val) noexcept -{ return static_cast<ALubyte>(SampleConv<ALbyte>(val) + 128); } +template<> inline uint32_t SampleConv(float val) noexcept +{ return static_cast<uint32_t>(SampleConv<int32_t>(val)) + 2147483648u; } +template<> inline uint16_t SampleConv(float val) noexcept +{ return static_cast<uint16_t>(SampleConv<int16_t>(val) + 32768); } +template<> inline uint8_t SampleConv(float val) noexcept +{ return static_cast<uint8_t>(SampleConv<int8_t>(val) + 128); } template<DevFmtType T> -void Write(const al::span<const FloatBufferLine> InBuffer, ALvoid *OutBuffer, const size_t Offset, +void Write(const al::span<const FloatBufferLine> InBuffer, void *OutBuffer, const size_t Offset, const ALuint SamplesToDo) { using SampleType = typename DevFmtTypeTraits<T>::Type; @@ -1694,7 +1694,7 @@ void Write(const al::span<const FloatBufferLine> InBuffer, ALvoid *OutBuffer, co { ASSUME(SamplesToDo > 0); SampleType *out{outbase++}; - auto conv_sample = [numchans,&out](const ALfloat s) noexcept -> void + auto conv_sample = [numchans,&out](const float s) noexcept -> void { *out = SampleConv<SampleType>(s); out += numchans; |