diff options
Diffstat (limited to 'media/libjpeg/simd/arm/jdcolor-neon.c')
| -rw-r--r-- | media/libjpeg/simd/arm/jdcolor-neon.c | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/media/libjpeg/simd/arm/jdcolor-neon.c b/media/libjpeg/simd/arm/jdcolor-neon.c new file mode 100644 index 0000000000..28dbc57243 --- /dev/null +++ b/media/libjpeg/simd/arm/jdcolor-neon.c @@ -0,0 +1,141 @@ +/* + * jdcolor-neon.c - colorspace conversion (Arm Neon) + * + * Copyright (C) 2020, Arm Limited. All Rights Reserved. + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would be + * appreciated but is not required. + * 2. Altered source versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * 3. This notice may not be removed or altered from any source distribution. + */ + +#define JPEG_INTERNALS +#include "../../jinclude.h" +#include "../../jpeglib.h" +#include "../../jsimd.h" +#include "../../jdct.h" +#include "../../jsimddct.h" +#include "../jsimd.h" +#include "align.h" + +#include <arm_neon.h> + + +/* YCbCr -> RGB conversion constants */ + +#define F_0_344 11277 /* 0.3441467 = 11277 * 2^-15 */ +#define F_0_714 23401 /* 0.7141418 = 23401 * 2^-15 */ +#define F_1_402 22971 /* 1.4020386 = 22971 * 2^-14 */ +#define F_1_772 29033 /* 1.7720337 = 29033 * 2^-14 */ + +ALIGN(16) static const int16_t jsimd_ycc_rgb_convert_neon_consts[] = { + -F_0_344, F_0_714, F_1_402, F_1_772 +}; + + +/* Include inline routines for colorspace extensions. */ + +#include "jdcolext-neon.c" +#undef RGB_RED +#undef RGB_GREEN +#undef RGB_BLUE +#undef RGB_PIXELSIZE + +#define RGB_RED EXT_RGB_RED +#define RGB_GREEN EXT_RGB_GREEN +#define RGB_BLUE EXT_RGB_BLUE +#define RGB_PIXELSIZE EXT_RGB_PIXELSIZE +#define jsimd_ycc_rgb_convert_neon jsimd_ycc_extrgb_convert_neon +#include "jdcolext-neon.c" +#undef RGB_RED +#undef RGB_GREEN +#undef RGB_BLUE +#undef RGB_PIXELSIZE +#undef jsimd_ycc_rgb_convert_neon + +#define RGB_RED EXT_RGBX_RED +#define RGB_GREEN EXT_RGBX_GREEN +#define RGB_BLUE EXT_RGBX_BLUE +#define RGB_ALPHA 3 +#define RGB_PIXELSIZE EXT_RGBX_PIXELSIZE +#define jsimd_ycc_rgb_convert_neon jsimd_ycc_extrgbx_convert_neon +#include "jdcolext-neon.c" +#undef RGB_RED +#undef RGB_GREEN +#undef RGB_BLUE +#undef RGB_ALPHA +#undef RGB_PIXELSIZE +#undef jsimd_ycc_rgb_convert_neon + +#define RGB_RED EXT_BGR_RED +#define RGB_GREEN EXT_BGR_GREEN +#define RGB_BLUE EXT_BGR_BLUE +#define RGB_PIXELSIZE EXT_BGR_PIXELSIZE +#define jsimd_ycc_rgb_convert_neon jsimd_ycc_extbgr_convert_neon +#include "jdcolext-neon.c" +#undef RGB_RED +#undef RGB_GREEN +#undef RGB_BLUE +#undef RGB_PIXELSIZE +#undef jsimd_ycc_rgb_convert_neon + +#define RGB_RED EXT_BGRX_RED +#define RGB_GREEN EXT_BGRX_GREEN +#define RGB_BLUE EXT_BGRX_BLUE +#define RGB_ALPHA 3 +#define RGB_PIXELSIZE EXT_BGRX_PIXELSIZE +#define jsimd_ycc_rgb_convert_neon jsimd_ycc_extbgrx_convert_neon +#include "jdcolext-neon.c" +#undef RGB_RED +#undef RGB_GREEN +#undef RGB_BLUE +#undef RGB_ALPHA +#undef RGB_PIXELSIZE +#undef jsimd_ycc_rgb_convert_neon + +#define RGB_RED EXT_XBGR_RED +#define RGB_GREEN EXT_XBGR_GREEN +#define RGB_BLUE EXT_XBGR_BLUE +#define RGB_ALPHA 0 +#define RGB_PIXELSIZE EXT_XBGR_PIXELSIZE +#define jsimd_ycc_rgb_convert_neon jsimd_ycc_extxbgr_convert_neon +#include "jdcolext-neon.c" +#undef RGB_RED +#undef RGB_GREEN +#undef RGB_BLUE +#undef RGB_ALPHA +#undef RGB_PIXELSIZE +#undef jsimd_ycc_rgb_convert_neon + +#define RGB_RED EXT_XRGB_RED +#define RGB_GREEN EXT_XRGB_GREEN +#define RGB_BLUE EXT_XRGB_BLUE +#define RGB_ALPHA 0 +#define RGB_PIXELSIZE EXT_XRGB_PIXELSIZE +#define jsimd_ycc_rgb_convert_neon jsimd_ycc_extxrgb_convert_neon +#include "jdcolext-neon.c" +#undef RGB_RED +#undef RGB_GREEN +#undef RGB_BLUE +#undef RGB_ALPHA +#undef RGB_PIXELSIZE +#undef jsimd_ycc_rgb_convert_neon + +/* YCbCr -> RGB565 Conversion */ + +#define RGB_PIXELSIZE 2 +#define jsimd_ycc_rgb_convert_neon jsimd_ycc_rgb565_convert_neon +#include "jdcolext-neon.c" +#undef RGB_PIXELSIZE +#undef jsimd_ycc_rgb_convert_neon |