diff options
Diffstat (limited to 'libswscale/rgb2rgb_template.c')
-rw-r--r-- | libswscale/rgb2rgb_template.c | 3010 |
1 files changed, 0 insertions, 3010 deletions
diff --git a/libswscale/rgb2rgb_template.c b/libswscale/rgb2rgb_template.c deleted file mode 100644 index 8d027c1d7a..0000000000 --- a/libswscale/rgb2rgb_template.c +++ /dev/null @@ -1,3010 +0,0 @@ -/* - * software RGB to RGB converter - * pluralize by software PAL8 to RGB converter - * software YUV to YUV converter - * software YUV to RGB converter - * Written by Nick Kurshev. - * palette & YUV & runtime CPU stuff by Michael (michaelni@gmx.at) - * lot of big-endian byte order fixes by Alex Beregszaszi - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * The C code (not assembly, MMX, ...) of this file can be used - * under the LGPL license. - */ - -#include <stddef.h> - -#undef PREFETCH -#undef MOVNTQ -#undef EMMS -#undef SFENCE -#undef MMREG_SIZE -#undef PAVGB - -#if HAVE_SSE2 -#define MMREG_SIZE 16 -#else -#define MMREG_SIZE 8 -#endif - -#if HAVE_AMD3DNOW -#define PREFETCH "prefetch" -#define PAVGB "pavgusb" -#elif HAVE_MMX2 -#define PREFETCH "prefetchnta" -#define PAVGB "pavgb" -#else -#define PREFETCH " # nop" -#endif - -#if HAVE_AMD3DNOW -/* On K6 femms is faster than emms. On K7 femms is directly mapped to emms. */ -#define EMMS "femms" -#else -#define EMMS "emms" -#endif - -#if HAVE_MMX2 -#define MOVNTQ "movntq" -#define SFENCE "sfence" -#else -#define MOVNTQ "movq" -#define SFENCE " # nop" -#endif - -static inline void RENAME(rgb24tobgr32)(const uint8_t *src, uint8_t *dst, long src_size) -{ - uint8_t *dest = dst; - const uint8_t *s = src; - const uint8_t *end; -#if HAVE_MMX - const uint8_t *mm_end; -#endif - end = s + src_size; -#if HAVE_MMX - __asm__ volatile(PREFETCH" %0"::"m"(*s):"memory"); - mm_end = end - 23; - __asm__ volatile("movq %0, %%mm7"::"m"(mask32a):"memory"); - while (s < mm_end) { - __asm__ volatile( - PREFETCH" 32%1 \n\t" - "movd %1, %%mm0 \n\t" - "punpckldq 3%1, %%mm0 \n\t" - "movd 6%1, %%mm1 \n\t" - "punpckldq 9%1, %%mm1 \n\t" - "movd 12%1, %%mm2 \n\t" - "punpckldq 15%1, %%mm2 \n\t" - "movd 18%1, %%mm3 \n\t" - "punpckldq 21%1, %%mm3 \n\t" - "por %%mm7, %%mm0 \n\t" - "por %%mm7, %%mm1 \n\t" - "por %%mm7, %%mm2 \n\t" - "por %%mm7, %%mm3 \n\t" - MOVNTQ" %%mm0, %0 \n\t" - MOVNTQ" %%mm1, 8%0 \n\t" - MOVNTQ" %%mm2, 16%0 \n\t" - MOVNTQ" %%mm3, 24%0" - :"=m"(*dest) - :"m"(*s) - :"memory"); - dest += 32; - s += 24; - } - __asm__ volatile(SFENCE:::"memory"); - __asm__ volatile(EMMS:::"memory"); -#endif - while (s < end) { -#if HAVE_BIGENDIAN - /* RGB24 (= R,G,B) -> RGB32 (= A,B,G,R) */ - *dest++ = 255; - *dest++ = s[2]; - *dest++ = s[1]; - *dest++ = s[0]; - s+=3; -#else - *dest++ = *s++; - *dest++ = *s++; - *dest++ = *s++; - *dest++ = 255; -#endif - } -} - -static inline void RENAME(rgb32tobgr24)(const uint8_t *src, uint8_t *dst, long src_size) -{ - uint8_t *dest = dst; - const uint8_t *s = src; - const uint8_t *end; -#if HAVE_MMX - const uint8_t *mm_end; -#endif - end = s + src_size; -#if HAVE_MMX - __asm__ volatile(PREFETCH" %0"::"m"(*s):"memory"); - mm_end = end - 31; - while (s < mm_end) { - __asm__ volatile( - PREFETCH" 32%1 \n\t" - "movq %1, %%mm0 \n\t" - "movq 8%1, %%mm1 \n\t" - "movq 16%1, %%mm4 \n\t" - "movq 24%1, %%mm5 \n\t" - "movq %%mm0, %%mm2 \n\t" - "movq %%mm1, %%mm3 \n\t" - "movq %%mm4, %%mm6 \n\t" - "movq %%mm5, %%mm7 \n\t" - "psrlq $8, %%mm2 \n\t" - "psrlq $8, %%mm3 \n\t" - "psrlq $8, %%mm6 \n\t" - "psrlq $8, %%mm7 \n\t" - "pand %2, %%mm0 \n\t" - "pand %2, %%mm1 \n\t" - "pand %2, %%mm4 \n\t" - "pand %2, %%mm5 \n\t" - "pand %3, %%mm2 \n\t" - "pand %3, %%mm3 \n\t" - "pand %3, %%mm6 \n\t" - "pand %3, %%mm7 \n\t" - "por %%mm2, %%mm0 \n\t" - "por %%mm3, %%mm1 \n\t" - "por %%mm6, %%mm4 \n\t" - "por %%mm7, %%mm5 \n\t" - - "movq %%mm1, %%mm2 \n\t" - "movq %%mm4, %%mm3 \n\t" - "psllq $48, %%mm2 \n\t" - "psllq $32, %%mm3 \n\t" - "pand %4, %%mm2 \n\t" - "pand %5, %%mm3 \n\t" - "por %%mm2, %%mm0 \n\t" - "psrlq $16, %%mm1 \n\t" - "psrlq $32, %%mm4 \n\t" - "psllq $16, %%mm5 \n\t" - "por %%mm3, %%mm1 \n\t" - "pand %6, %%mm5 \n\t" - "por %%mm5, %%mm4 \n\t" - - MOVNTQ" %%mm0, %0 \n\t" - MOVNTQ" %%mm1, 8%0 \n\t" - MOVNTQ" %%mm4, 16%0" - :"=m"(*dest) - :"m"(*s),"m"(mask24l), - "m"(mask24h),"m"(mask24hh),"m"(mask24hhh),"m"(mask24hhhh) - :"memory"); - dest += 24; - s += 32; - } - __asm__ volatile(SFENCE:::"memory"); - __asm__ volatile(EMMS:::"memory"); -#endif - while (s < end) { -#if HAVE_BIGENDIAN - /* RGB32 (= A,B,G,R) -> RGB24 (= R,G,B) */ - s++; - dest[2] = *s++; - dest[1] = *s++; - dest[0] = *s++; - dest += 3; -#else - *dest++ = *s++; - *dest++ = *s++; - *dest++ = *s++; - s++; -#endif - } -} - -/* - original by Strepto/Astral - ported to gcc & bugfixed: A'rpi - MMX2, 3DNOW optimization by Nick Kurshev - 32-bit C version, and and&add trick by Michael Niedermayer -*/ -static inline void RENAME(rgb15to16)(const uint8_t *src, uint8_t *dst, long src_size) -{ - register const uint8_t* s=src; - register uint8_t* d=dst; - register const uint8_t *end; - const uint8_t *mm_end; - end = s + src_size; -#if HAVE_MMX - __asm__ volatile(PREFETCH" %0"::"m"(*s)); - __asm__ volatile("movq %0, %%mm4"::"m"(mask15s)); - mm_end = end - 15; - while (s<mm_end) { - __asm__ volatile( - PREFETCH" 32%1 \n\t" - "movq %1, %%mm0 \n\t" - "movq 8%1, %%mm2 \n\t" - "movq %%mm0, %%mm1 \n\t" - "movq %%mm2, %%mm3 \n\t" - "pand %%mm4, %%mm0 \n\t" - "pand %%mm4, %%mm2 \n\t" - "paddw %%mm1, %%mm0 \n\t" - "paddw %%mm3, %%mm2 \n\t" - MOVNTQ" %%mm0, %0 \n\t" - MOVNTQ" %%mm2, 8%0" - :"=m"(*d) - :"m"(*s) - ); - d+=16; - s+=16; - } - __asm__ volatile(SFENCE:::"memory"); - __asm__ volatile(EMMS:::"memory"); -#endif - mm_end = end - 3; - while (s < mm_end) { - register unsigned x= *((const uint32_t *)s); - *((uint32_t *)d) = (x&0x7FFF7FFF) + (x&0x7FE07FE0); - d+=4; - s+=4; - } - if (s < end) { - register unsigned short x= *((const uint16_t *)s); - *((uint16_t *)d) = (x&0x7FFF) + (x&0x7FE0); - } -} - -static inline void RENAME(rgb16to15)(const uint8_t *src, uint8_t *dst, long src_size) -{ - register const uint8_t* s=src; - register uint8_t* d=dst; - register const uint8_t *end; - const uint8_t *mm_end; - end = s + src_size; -#if HAVE_MMX - __asm__ volatile(PREFETCH" %0"::"m"(*s)); - __asm__ volatile("movq %0, %%mm7"::"m"(mask15rg)); - __asm__ volatile("movq %0, %%mm6"::"m"(mask15b)); - mm_end = end - 15; - while (s<mm_end) { - __asm__ volatile( - PREFETCH" 32%1 \n\t" - "movq %1, %%mm0 \n\t" - "movq 8%1, %%mm2 \n\t" - "movq %%mm0, %%mm1 \n\t" - "movq %%mm2, %%mm3 \n\t" - "psrlq $1, %%mm0 \n\t" - "psrlq $1, %%mm2 \n\t" - "pand %%mm7, %%mm0 \n\t" - "pand %%mm7, %%mm2 \n\t" - "pand %%mm6, %%mm1 \n\t" - "pand %%mm6, %%mm3 \n\t" - "por %%mm1, %%mm0 \n\t" - "por %%mm3, %%mm2 \n\t" - MOVNTQ" %%mm0, %0 \n\t" - MOVNTQ" %%mm2, 8%0" - :"=m"(*d) - :"m"(*s) - ); - d+=16; - s+=16; - } - __asm__ volatile(SFENCE:::"memory"); - __asm__ volatile(EMMS:::"memory"); -#endif - mm_end = end - 3; - while (s < mm_end) { - register uint32_t x= *((const uint32_t*)s); - *((uint32_t *)d) = ((x>>1)&0x7FE07FE0) | (x&0x001F001F); - s+=4; - d+=4; - } - if (s < end) { - register uint16_t x= *((const uint16_t*)s); - *((uint16_t *)d) = ((x>>1)&0x7FE0) | (x&0x001F); - } -} - -static inline void RENAME(rgb32to16)(const uint8_t *src, uint8_t *dst, long src_size) -{ - const uint8_t *s = src; - const uint8_t *end; -#if HAVE_MMX - const uint8_t *mm_end; -#endif - uint16_t *d = (uint16_t *)dst; - end = s + src_size; -#if HAVE_MMX - mm_end = end - 15; -#if 1 //is faster only if multiplies are reasonably fast (FIXME figure out on which CPUs this is faster, on Athlon it is slightly faster) - __asm__ volatile( - "movq %3, %%mm5 \n\t" - "movq %4, %%mm6 \n\t" - "movq %5, %%mm7 \n\t" - "jmp 2f \n\t" - ASMALIGN(4) - "1: \n\t" - PREFETCH" 32(%1) \n\t" - "movd (%1), %%mm0 \n\t" - "movd 4(%1), %%mm3 \n\t" - "punpckldq 8(%1), %%mm0 \n\t" - "punpckldq 12(%1), %%mm3 \n\t" - "movq %%mm0, %%mm1 \n\t" - "movq %%mm3, %%mm4 \n\t" - "pand %%mm6, %%mm0 \n\t" - "pand %%mm6, %%mm3 \n\t" - "pmaddwd %%mm7, %%mm0 \n\t" - "pmaddwd %%mm7, %%mm3 \n\t" - "pand %%mm5, %%mm1 \n\t" - "pand %%mm5, %%mm4 \n\t" - "por %%mm1, %%mm0 \n\t" - "por %%mm4, %%mm3 \n\t" - "psrld $5, %%mm0 \n\t" - "pslld $11, %%mm3 \n\t" - "por %%mm3, %%mm0 \n\t" - MOVNTQ" %%mm0, (%0) \n\t" - "add $16, %1 \n\t" - "add $8, %0 \n\t" - "2: \n\t" - "cmp %2, %1 \n\t" - " jb 1b \n\t" - : "+r" (d), "+r"(s) - : "r" (mm_end), "m" (mask3216g), "m" (mask3216br), "m" (mul3216) - ); -#else - __asm__ volatile(PREFETCH" %0"::"m"(*src):"memory"); - __asm__ volatile( - "movq %0, %%mm7 \n\t" - "movq %1, %%mm6 \n\t" - ::"m"(red_16mask),"m"(green_16mask)); - while (s < mm_end) { - __asm__ volatile( - PREFETCH" 32%1 \n\t" - "movd %1, %%mm0 \n\t" - "movd 4%1, %%mm3 \n\t" - "punpckldq 8%1, %%mm0 \n\t" - "punpckldq 12%1, %%mm3 \n\t" - "movq %%mm0, %%mm1 \n\t" - "movq %%mm0, %%mm2 \n\t" - "movq %%mm3, %%mm4 \n\t" - "movq %%mm3, %%mm5 \n\t" - "psrlq $3, %%mm0 \n\t" - "psrlq $3, %%mm3 \n\t" - "pand %2, %%mm0 \n\t" - "pand %2, %%mm3 \n\t" - "psrlq $5, %%mm1 \n\t" - "psrlq $5, %%mm4 \n\t" - "pand %%mm6, %%mm1 \n\t" - "pand %%mm6, %%mm4 \n\t" - "psrlq $8, %%mm2 \n\t" - "psrlq $8, %%mm5 \n\t" - "pand %%mm7, %%mm2 \n\t" - "pand %%mm7, %%mm5 \n\t" - "por %%mm1, %%mm0 \n\t" - "por %%mm4, %%mm3 \n\t" - "por %%mm2, %%mm0 \n\t" - "por %%mm5, %%mm3 \n\t" - "psllq $16, %%mm3 \n\t" - "por %%mm3, %%mm0 \n\t" - MOVNTQ" %%mm0, %0 \n\t" - :"=m"(*d):"m"(*s),"m"(blue_16mask):"memory"); - d += 4; - s += 16; - } -#endif - __asm__ volatile(SFENCE:::"memory"); - __asm__ volatile(EMMS:::"memory"); -#endif - while (s < end) { - register int rgb = *(const uint32_t*)s; s += 4; - *d++ = ((rgb&0xFF)>>3) + ((rgb&0xFC00)>>5) + ((rgb&0xF80000)>>8); - } -} - -static inline void RENAME(rgb32tobgr16)(const uint8_t *src, uint8_t *dst, long src_size) -{ - const uint8_t *s = src; - const uint8_t *end; -#if HAVE_MMX - const uint8_t *mm_end; -#endif - uint16_t *d = (uint16_t *)dst; - end = s + src_size; -#if HAVE_MMX - __asm__ volatile(PREFETCH" %0"::"m"(*src):"memory"); - __asm__ volatile( - "movq %0, %%mm7 \n\t" - "movq %1, %%mm6 \n\t" - ::"m"(red_16mask),"m"(green_16mask)); - mm_end = end - 15; - while (s < mm_end) { - __asm__ volatile( - PREFETCH" 32%1 \n\t" - "movd %1, %%mm0 \n\t" - "movd 4%1, %%mm3 \n\t" - "punpckldq 8%1, %%mm0 \n\t" - "punpckldq 12%1, %%mm3 \n\t" - "movq %%mm0, %%mm1 \n\t" - "movq %%mm0, %%mm2 \n\t" - "movq %%mm3, %%mm4 \n\t" - "movq %%mm3, %%mm5 \n\t" - "psllq $8, %%mm0 \n\t" - "psllq $8, %%mm3 \n\t" - "pand %%mm7, %%mm0 \n\t" - "pand %%mm7, %%mm3 \n\t" - "psrlq $5, %%mm1 \n\t" - "psrlq $5, %%mm4 \n\t" - "pand %%mm6, %%mm1 \n\t" - "pand %%mm6, %%mm4 \n\t" - "psrlq $19, %%mm2 \n\t" - "psrlq $19, %%mm5 \n\t" - "pand %2, %%mm2 \n\t" - "pand %2, %%mm5 \n\t" - "por %%mm1, %%mm0 \n\t" - "por %%mm4, %%mm3 \n\t" - "por %%mm2, %%mm0 \n\t" - "por %%mm5, %%mm3 \n\t" - "psllq $16, %%mm3 \n\t" - "por %%mm3, %%mm0 \n\t" - MOVNTQ" %%mm0, %0 \n\t" - :"=m"(*d):"m"(*s),"m"(blue_16mask):"memory"); - d += 4; - s += 16; - } - __asm__ volatile(SFENCE:::"memory"); - __asm__ volatile(EMMS:::"memory"); -#endif - while (s < end) { - register int rgb = *(const uint32_t*)s; s += 4; - *d++ = ((rgb&0xF8)<<8) + ((rgb&0xFC00)>>5) + ((rgb&0xF80000)>>19); - } -} - -static inline void RENAME(rgb32to15)(const uint8_t *src, uint8_t *dst, long src_size) -{ - const uint8_t *s = src; - const uint8_t *end; -#if HAVE_MMX - const uint8_t *mm_end; -#endif - uint16_t *d = (uint16_t *)dst; - end = s + src_size; -#if HAVE_MMX - mm_end = end - 15; -#if 1 //is faster only if multiplies are reasonably fast (FIXME figure out on which CPUs this is faster, on Athlon it is slightly faster) - __asm__ volatile( - "movq %3, %%mm5 \n\t" - "movq %4, %%mm6 \n\t" - "movq %5, %%mm7 \n\t" - "jmp 2f \n\t" - ASMALIGN(4) - "1: \n\t" - PREFETCH" 32(%1) \n\t" - "movd (%1), %%mm0 \n\t" - "movd 4(%1), %%mm3 \n\t" - "punpckldq 8(%1), %%mm0 \n\t" - "punpckldq 12(%1), %%mm3 \n\t" - "movq %%mm0, %%mm1 \n\t" - "movq %%mm3, %%mm4 \n\t" - "pand %%mm6, %%mm0 \n\t" - "pand %%mm6, %%mm3 \n\t" - "pmaddwd %%mm7, %%mm0 \n\t" - "pmaddwd %%mm7, %%mm3 \n\t" - "pand %%mm5, %%mm1 \n\t" - "pand %%mm5, %%mm4 \n\t" - "por %%mm1, %%mm0 \n\t" - "por %%mm4, %%mm3 \n\t" - "psrld $6, %%mm0 \n\t" - "pslld $10, %%mm3 \n\t" - "por %%mm3, %%mm0 \n\t" - MOVNTQ" %%mm0, (%0) \n\t" - "add $16, %1 \n\t" - "add $8, %0 \n\t" - "2: \n\t" - "cmp %2, %1 \n\t" - " jb 1b \n\t" - : "+r" (d), "+r"(s) - : "r" (mm_end), "m" (mask3215g), "m" (mask3216br), "m" (mul3215) - ); -#else - __asm__ volatile(PREFETCH" %0"::"m"(*src):"memory"); - __asm__ volatile( - "movq %0, %%mm7 \n\t" - "movq %1, %%mm6 \n\t" - ::"m"(red_15mask),"m"(green_15mask)); - while (s < mm_end) { - __asm__ volatile( - PREFETCH" 32%1 \n\t" - "movd %1, %%mm0 \n\t" - "movd 4%1, %%mm3 \n\t" - "punpckldq 8%1, %%mm0 \n\t" - "punpckldq 12%1, %%mm3 \n\t" - "movq %%mm0, %%mm1 \n\t" - "movq %%mm0, %%mm2 \n\t" - "movq %%mm3, %%mm4 \n\t" - "movq %%mm3, %%mm5 \n\t" - "psrlq $3, %%mm0 \n\t" - "psrlq $3, %%mm3 \n\t" - "pand %2, %%mm0 \n\t" - "pand %2, %%mm3 \n\t" - "psrlq $6, %%mm1 \n\t" - "psrlq $6, %%mm4 \n\t" - "pand %%mm6, %%mm1 \n\t" - "pand %%mm6, %%mm4 \n\t" - "psrlq $9, %%mm2 \n\t" - "psrlq $9, %%mm5 \n\t" - "pand %%mm7, %%mm2 \n\t" - "pand %%mm7, %%mm5 \n\t" - "por %%mm1, %%mm0 \n\t" - "por %%mm4, %%mm3 \n\t" - "por %%mm2, %%mm0 \n\t" - "por %%mm5, %%mm3 \n\t" - "psllq $16, %%mm3 \n\t" - "por %%mm3, %%mm0 \n\t" - MOVNTQ" %%mm0, %0 \n\t" - :"=m"(*d):"m"(*s),"m"(blue_15mask):"memory"); - d += 4; - s += 16; - } -#endif - __asm__ volatile(SFENCE:::"memory"); - __asm__ volatile(EMMS:::"memory"); -#endif - while (s < end) { - register int rgb = *(const uint32_t*)s; s += 4; - *d++ = ((rgb&0xFF)>>3) + ((rgb&0xF800)>>6) + ((rgb&0xF80000)>>9); - } -} - -static inline void RENAME(rgb32tobgr15)(const uint8_t *src, uint8_t *dst, long src_size) -{ - const uint8_t *s = src; - const uint8_t *end; -#if HAVE_MMX - const uint8_t *mm_end; -#endif - uint16_t *d = (uint16_t *)dst; - end = s + src_size; -#if HAVE_MMX - __asm__ volatile(PREFETCH" %0"::"m"(*src):"memory"); - __asm__ volatile( - "movq %0, %%mm7 \n\t" - "movq %1, %%mm6 \n\t" - ::"m"(red_15mask),"m"(green_15mask)); - mm_end = end - 15; - while (s < mm_end) { - __asm__ volatile( - PREFETCH" 32%1 \n\t" - "movd %1, %%mm0 \n\t" - "movd 4%1, %%mm3 \n\t" - "punpckldq 8%1, %%mm0 \n\t" - "punpckldq 12%1, %%mm3 \n\t" - "movq %%mm0, %%mm1 \n\t" - "movq %%mm0, %%mm2 \n\t" - "movq %%mm3, %%mm4 \n\t" - "movq %%mm3, %%mm5 \n\t" - "psllq $7, %%mm0 \n\t" - "psllq $7, %%mm3 \n\t" - "pand %%mm7, %%mm0 \n\t" - "pand %%mm7, %%mm3 \n\t" - "psrlq $6, %%mm1 \n\t" - "psrlq $6, %%mm4 \n\t" - "pand %%mm6, %%mm1 \n\t" - "pand %%mm6, %%mm4 \n\t" - "psrlq $19, %%mm2 \n\t" - "psrlq $19, %%mm5 \n\t" - "pand %2, %%mm2 \n\t" - "pand %2, %%mm5 \n\t" - "por %%mm1, %%mm0 \n\t" - "por %%mm4, %%mm3 \n\t" - "por %%mm2, %%mm0 \n\t" - "por %%mm5, %%mm3 \n\t" - "psllq $16, %%mm3 \n\t" - "por %%mm3, %%mm0 \n\t" - MOVNTQ" %%mm0, %0 \n\t" - :"=m"(*d):"m"(*s),"m"(blue_15mask):"memory"); - d += 4; - s += 16; - } - __asm__ volatile(SFENCE:::"memory"); - __asm__ volatile(EMMS:::"memory"); -#endif - while (s < end) { - register int rgb = *(const uint32_t*)s; s += 4; - *d++ = ((rgb&0xF8)<<7) + ((rgb&0xF800)>>6) + ((rgb&0xF80000)>>19); - } -} - -static inline void RENAME(rgb24tobgr16)(const uint8_t *src, uint8_t *dst, long src_size) -{ - const uint8_t *s = src; - const uint8_t *end; -#if HAVE_MMX - const uint8_t *mm_end; -#endif - uint16_t *d = (uint16_t *)dst; - end = s + src_size; -#if HAVE_MMX - __asm__ volatile(PREFETCH" %0"::"m"(*src):"memory"); - __asm__ volatile( - "movq %0, %%mm7 \n\t" - "movq %1, %%mm6 \n\t" - ::"m"(red_16mask),"m"(green_16mask)); - mm_end = end - 11; - while (s < mm_end) { - __asm__ volatile( - PREFETCH" 32%1 \n\t" - "movd %1, %%mm0 \n\t" - "movd 3%1, %%mm3 \n\t" - "punpckldq 6%1, %%mm0 \n\t" - "punpckldq 9%1, %%mm3 \n\t" - "movq %%mm0, %%mm1 \n\t" - "movq %%mm0, %%mm2 \n\t" - "movq %%mm3, %%mm4 \n\t" - "movq %%mm3, %%mm5 \n\t" - "psrlq $3, %%mm0 \n\t" - "psrlq $3, %%mm3 \n\t" - "pand %2, %%mm0 \n\t" - "pand %2, %%mm3 \n\t" - "psrlq $5, %%mm1 \n\t" - "psrlq $5, %%mm4 \n\t" - "pand %%mm6, %%mm1 \n\t" - "pand %%mm6, %%mm4 \n\t" - "psrlq $8, %%mm2 \n\t" - "psrlq $8, %%mm5 \n\t" - "pand %%mm7, %%mm2 \n\t" - "pand %%mm7, %%mm5 \n\t" - "por %%mm1, %%mm0 \n\t" - "por %%mm4, %%mm3 \n\t" - "por %%mm2, %%mm0 \n\t" - "por %%mm5, %%mm3 \n\t" - "psllq $16, %%mm3 \n\t" - "por %%mm3, %%mm0 \n\t" - MOVNTQ" %%mm0, %0 \n\t" - :"=m"(*d):"m"(*s),"m"(blue_16mask):"memory"); - d += 4; - s += 12; - } - __asm__ volatile(SFENCE:::"memory"); - __asm__ volatile(EMMS:::"memory"); -#endif - while (s < end) { - const int b = *s++; - const int g = *s++; - const int r = *s++; - *d++ = (b>>3) | ((g&0xFC)<<3) | ((r&0xF8)<<8); - } -} - -static inline void RENAME(rgb24to16)(const uint8_t *src, uint8_t *dst, long src_size) -{ - const uint8_t *s = src; - const uint8_t *end; -#if HAVE_MMX - const uint8_t *mm_end; -#endif - uint16_t *d = (uint16_t *)dst; - end = s + src_size; -#if HAVE_MMX - __asm__ volatile(PREFETCH" %0"::"m"(*src):"memory"); - __asm__ volatile( - "movq %0, %%mm7 \n\t" - "movq %1, %%mm6 \n\t" - ::"m"(red_16mask),"m"(green_16mask)); - mm_end = end - 15; - while (s < mm_end) { - __asm__ volatile( - PREFETCH" 32%1 \n\t" - "movd %1, %%mm0 \n\t" - "movd 3%1, %%mm3 \n\t" - "punpckldq 6%1, %%mm0 \n\t" - "punpckldq 9%1, %%mm3 \n\t" - "movq %%mm0, %%mm1 \n\t" - "movq %%mm0, %%mm2 \n\t" - "movq %%mm3, %%mm4 \n\t" - "movq %%mm3, %%mm5 \n\t" - "psllq $8, %%mm0 \n\t" - "psllq $8, %%mm3 \n\t" - "pand %%mm7, %%mm0 \n\t" - "pand %%mm7, %%mm3 \n\t" - "psrlq $5, %%mm1 \n\t" - "psrlq $5, %%mm4 \n\t" - "pand %%mm6, %%mm1 \n\t" - "pand %%mm6, %%mm4 \n\t" - "psrlq $19, %%mm2 \n\t" - "psrlq $19, %%mm5 \n\t" - "pand %2, %%mm2 \n\t" - "pand %2, %%mm5 \n\t" - "por %%mm1, %%mm0 \n\t" - "por %%mm4, %%mm3 \n\t" - "por %%mm2, %%mm0 \n\t" - "por %%mm5, %%mm3 \n\t" - "psllq $16, %%mm3 \n\t" - "por %%mm3, %%mm0 \n\t" - MOVNTQ" %%mm0, %0 \n\t" - :"=m"(*d):"m"(*s),"m"(blue_16mask):"memory"); - d += 4; - s += 12; - } - __asm__ volatile(SFENCE:::"memory"); - __asm__ volatile(EMMS:::"memory"); -#endif - while (s < end) { - const int r = *s++; - const int g = *s++; - const int b = *s++; - *d++ = (b>>3) | ((g&0xFC)<<3) | ((r&0xF8)<<8); - } -} - -static inline void RENAME(rgb24tobgr15)(const uint8_t *src, uint8_t *dst, long src_size) -{ - const uint8_t *s = src; - const uint8_t *end; -#if HAVE_MMX - const uint8_t *mm_end; -#endif - uint16_t *d = (uint16_t *)dst; - end = s + src_size; -#if HAVE_MMX - __asm__ volatile(PREFETCH" %0"::"m"(*src):"memory"); - __asm__ volatile( - "movq %0, %%mm7 \n\t" - "movq %1, %%mm6 \n\t" - ::"m"(red_15mask),"m"(green_15mask)); - mm_end = end - 11; - while (s < mm_end) { - __asm__ volatile( - PREFETCH" 32%1 \n\t" - "movd %1, %%mm0 \n\t" - "movd 3%1, %%mm3 \n\t" - "punpckldq 6%1, %%mm0 \n\t" - "punpckldq 9%1, %%mm3 \n\t" - "movq %%mm0, %%mm1 \n\t" - "movq %%mm0, %%mm2 \n\t" - "movq %%mm3, %%mm4 \n\t" - "movq %%mm3, %%mm5 \n\t" - "psrlq $3, %%mm0 \n\t" - "psrlq $3, %%mm3 \n\t" - "pand %2, %%mm0 \n\t" - "pand %2, %%mm3 \n\t" - "psrlq $6, %%mm1 \n\t" - "psrlq $6, %%mm4 \n\t" - "pand %%mm6, %%mm1 \n\t" - "pand %%mm6, %%mm4 \n\t" - "psrlq $9, %%mm2 \n\t" - "psrlq $9, %%mm5 \n\t" - "pand %%mm7, %%mm2 \n\t" - "pand %%mm7, %%mm5 \n\t" - "por %%mm1, %%mm0 \n\t" - "por %%mm4, %%mm3 \n\t" - "por %%mm2, %%mm0 \n\t" - "por %%mm5, %%mm3 \n\t" - "psllq $16, %%mm3 \n\t" - "por %%mm3, %%mm0 \n\t" - MOVNTQ" %%mm0, %0 \n\t" - :"=m"(*d):"m"(*s),"m"(blue_15mask):"memory"); - d += 4; - s += 12; - } - __asm__ volatile(SFENCE:::"memory"); - __asm__ volatile(EMMS:::"memory"); -#endif - while (s < end) { - const int b = *s++; - const int g = *s++; - const int r = *s++; - *d++ = (b>>3) | ((g&0xF8)<<2) | ((r&0xF8)<<7); - } -} - -static inline void RENAME(rgb24to15)(const uint8_t *src, uint8_t *dst, long src_size) -{ - const uint8_t *s = src; - const uint8_t *end; -#if HAVE_MMX - const uint8_t *mm_end; -#endif - uint16_t *d = (uint16_t *)dst; - end = s + src_size; -#if HAVE_MMX - __asm__ volatile(PREFETCH" %0"::"m"(*src):"memory"); - __asm__ volatile( - "movq %0, %%mm7 \n\t" - "movq %1, %%mm6 \n\t" - ::"m"(red_15mask),"m"(green_15mask)); - mm_end = end - 15; - while (s < mm_end) { - __asm__ volatile( - PREFETCH" 32%1 \n\t" - "movd %1, %%mm0 \n\t" - "movd 3%1, %%mm3 \n\t" - "punpckldq 6%1, %%mm0 \n\t" - "punpckldq 9%1, %%mm3 \n\t" - "movq %%mm0, %%mm1 \n\t" - "movq %%mm0, %%mm2 \n\t" - "movq %%mm3, %%mm4 \n\t" - "movq %%mm3, %%mm5 \n\t" - "psllq $7, %%mm0 \n\t" - "psllq $7, %%mm3 \n\t" - "pand %%mm7, %%mm0 \n\t" - "pand %%mm7, %%mm3 \n\t" - "psrlq $6, %%mm1 \n\t" - "psrlq $6, %%mm4 \n\t" - "pand %%mm6, %%mm1 \n\t" - "pand %%mm6, %%mm4 \n\t" - "psrlq $19, %%mm2 \n\t" - "psrlq $19, %%mm5 \n\t" - "pand %2, %%mm2 \n\t" - "pand %2, %%mm5 \n\t" - "por %%mm1, %%mm0 \n\t" - "por %%mm4, %%mm3 \n\t" - "por %%mm2, %%mm0 \n\t" - "por %%mm5, %%mm3 \n\t" - "psllq $16, %%mm3 \n\t" - "por %%mm3, %%mm0 \n\t" - MOVNTQ" %%mm0, %0 \n\t" - :"=m"(*d):"m"(*s),"m"(blue_15mask):"memory"); - d += 4; - s += 12; - } - __asm__ volatile(SFENCE:::"memory"); - __asm__ volatile(EMMS:::"memory"); -#endif - while (s < end) { - const int r = *s++; - const int g = *s++; - const int b = *s++; - *d++ = (b>>3) | ((g&0xF8)<<2) | ((r&0xF8)<<7); - } -} - -/* - I use less accurate approximation here by simply left-shifting the input - value and filling the low order bits with zeroes. This method improves PNG - compression but this scheme cannot reproduce white exactly, since it does - not generate an all-ones maximum value; the net effect is to darken the - image slightly. - - The better method should be "left bit replication": - - 4 3 2 1 0 - --------- - 1 1 0 1 1 - - 7 6 5 4 3 2 1 0 - ---------------- - 1 1 0 1 1 1 1 0 - |=======| |===| - | leftmost bits repeated to fill open bits - | - original bits -*/ -static inline void RENAME(rgb15tobgr24)(const uint8_t *src, uint8_t *dst, long src_size) -{ - const uint16_t *end; -#if HAVE_MMX - const uint16_t *mm_end; -#endif - uint8_t *d = dst; - const uint16_t *s = (const uint16_t*)src; - end = s + src_size/2; -#if HAVE_MMX - __asm__ volatile(PREFETCH" %0"::"m"(*s):"memory"); - mm_end = end - 7; - while (s < mm_end) { - __asm__ volatile( - PREFETCH" 32%1 \n\t" - "movq %1, %%mm0 \n\t" - "movq %1, %%mm1 \n\t" - "movq %1, %%mm2 \n\t" - "pand %2, %%mm0 \n\t" - "pand %3, %%mm1 \n\t" - "pand %4, %%mm2 \n\t" - "psllq $3, %%mm0 \n\t" - "psrlq $2, %%mm1 \n\t" - "psrlq $7, %%mm2 \n\t" - "movq %%mm0, %%mm3 \n\t" - "movq %%mm1, %%mm4 \n\t" - "movq %%mm2, %%mm5 \n\t" - "punpcklwd %5, %%mm0 \n\t" - "punpcklwd %5, %%mm1 \n\t" - "punpcklwd %5, %%mm2 \n\t" - "punpckhwd %5, %%mm3 \n\t" - "punpckhwd %5, %%mm4 \n\t" - "punpckhwd %5, %%mm5 \n\t" - "psllq $8, %%mm1 \n\t" - "psllq $16, %%mm2 \n\t" - "por %%mm1, %%mm0 \n\t" - "por %%mm2, %%mm0 \n\t" - "psllq $8, %%mm4 \n\t" - "psllq $16, %%mm5 \n\t" - "por %%mm4, %%mm3 \n\t" - "por %%mm5, %%mm3 \n\t" - - "movq %%mm0, %%mm6 \n\t" - "movq %%mm3, %%mm7 \n\t" - - "movq 8%1, %%mm0 \n\t" - "movq 8%1, %%mm1 \n\t" - "movq 8%1, %%mm2 \n\t" - "pand %2, %%mm0 \n\t" - "pand %3, %%mm1 \n\t" - "pand %4, %%mm2 \n\t" - "psllq $3, %%mm0 \n\t" - "psrlq $2, %%mm1 \n\t" - "psrlq $7, %%mm2 \n\t" - "movq %%mm0, %%mm3 \n\t" - "movq %%mm1, %%mm4 \n\t" - "movq %%mm2, %%mm5 \n\t" - "punpcklwd %5, %%mm0 \n\t" - "punpcklwd %5, %%mm1 \n\t" - "punpcklwd %5, %%mm2 \n\t" - "punpckhwd %5, %%mm3 \n\t" - "punpckhwd %5, %%mm4 \n\t" - "punpckhwd %5, %%mm5 \n\t" - "psllq $8, %%mm1 \n\t" - "psllq $16, %%mm2 \n\t" - "por %%mm1, %%mm0 \n\t" - "por %%mm2, %%mm0 \n\t" - "psllq $8, %%mm4 \n\t" - "psllq $16, %%mm5 \n\t" - "por %%mm4, %%mm3 \n\t" - "por %%mm5, %%mm3 \n\t" - - :"=m"(*d) - :"m"(*s),"m"(mask15b),"m"(mask15g),"m"(mask15r), "m"(mmx_null) - :"memory"); - /* borrowed 32 to 24 */ - __asm__ volatile( - "movq %%mm0, %%mm4 \n\t" - "movq %%mm3, %%mm5 \n\t" - "movq %%mm6, %%mm0 \n\t" - "movq %%mm7, %%mm1 \n\t" - - "movq %%mm4, %%mm6 \n\t" - "movq %%mm5, %%mm7 \n\t" - "movq %%mm0, %%mm2 \n\t" - "movq %%mm1, %%mm3 \n\t" - - "psrlq $8, %%mm2 \n\t" - "psrlq $8, %%mm3 \n\t" - "psrlq $8, %%mm6 \n\t" - "psrlq $8, %%mm7 \n\t" - "pand %2, %%mm0 \n\t" - "pand %2, %%mm1 \n\t" - "pand %2, %%mm4 \n\t" - "pand %2, %%mm5 \n\t" - "pand %3, %%mm2 \n\t" - "p |