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https://github.com/libretro/RetroArch
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114 lines
3.7 KiB
C
114 lines
3.7 KiB
C
/* Copyright (C) 2010-2016 The RetroArch team
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*
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* ---------------------------------------------------------------------------------------
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* The following license statement only applies to this file (float_to_s16.h).
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* ---------------------------------------------------------------------------------------
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*
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* Permission is hereby granted, free of charge,
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* to any person obtaining a copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef __LIBRETRO_SDK_CONVERSION_FLOAT_TO_S16_H__
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#define __LIBRETRO_SDK_CONVERSION_FLOAT_TO_S16_H__
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#include <retro_common_api.h>
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RETRO_BEGIN_DECLS
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#include <stdint.h>
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#include <stddef.h>
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/**
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* convert_float_to_s16_C:
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* @out : output buffer
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* @in : input buffer
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* @samples : size of samples to be converted
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*
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* Converts floating point
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* to signed integer 16-bit.
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*
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* C implementation callback function.
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**/
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void convert_float_to_s16_C(int16_t *out,
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const float *in, size_t samples);
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#if defined(__SSE2__)
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#define convert_float_to_s16 convert_float_to_s16_SSE2
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/**
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* convert_float_to_s16_SSE2:
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* @out : output buffer
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* @in : input buffer
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* @samples : size of samples to be converted
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*
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* Converts floating point
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* to signed integer 16-bit.
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*
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* SSE2 implementation callback function.
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**/
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void convert_float_to_s16_SSE2(int16_t *out,
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const float *in, size_t samples);
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#elif defined(__ALTIVEC__)
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#define convert_float_to_s16 convert_float_to_s16_altivec
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/**
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* convert_float_to_s16_altivec:
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* @out : output buffer
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* @in : input buffer
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* @samples : size of samples to be converted
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*
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* Converts floating point
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* to signed integer 16-bit.
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*
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* AltiVec implementation callback function.
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**/
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void convert_float_to_s16_altivec(int16_t *out,
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const float *in, size_t samples);
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#elif defined(__ARM_NEON__) && !defined(VITA)
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#define convert_float_to_s16 convert_float_to_s16_arm
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void (*convert_float_to_s16_arm)(int16_t *out,
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const float *in, size_t samples);
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void convert_float_s16_asm(int16_t *out, const float *in, size_t samples);
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#elif defined(_MIPS_ARCH_ALLEGREX)
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#define convert_float_to_s16 convert_float_to_s16_ALLEGREX
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/**
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* convert_float_to_s16_ALLEGREX:
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* @out : output buffer
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* @in : input buffer
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* @samples : size of samples to be converted
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*
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* Converts floating point
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* to signed integer 16-bit.
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*
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* MIPS ALLEGREX implementation callback function.
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**/
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void convert_float_to_s16_ALLEGREX(int16_t *out,
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const float *in, size_t samples);
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#else
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#define convert_float_to_s16 convert_float_to_s16_C
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#endif
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/**
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* convert_float_to_s16_init_simd:
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*
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* Sets up function pointers for conversion
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* functions based on CPU features.
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**/
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void convert_float_to_s16_init_simd(void);
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RETRO_END_DECLS
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#endif
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