diff options
Diffstat (limited to 'distrib/sdl-1.2.12/src/video/SDL_yuv_mmx.c')
| -rw-r--r-- | distrib/sdl-1.2.12/src/video/SDL_yuv_mmx.c | 428 |
1 files changed, 0 insertions, 428 deletions
diff --git a/distrib/sdl-1.2.12/src/video/SDL_yuv_mmx.c b/distrib/sdl-1.2.12/src/video/SDL_yuv_mmx.c deleted file mode 100644 index 059dd50..0000000 --- a/distrib/sdl-1.2.12/src/video/SDL_yuv_mmx.c +++ /dev/null @@ -1,428 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2006 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -#if (__GNUC__ > 2) && defined(__i386__) && __OPTIMIZE__ && SDL_ASSEMBLY_ROUTINES - -#include "SDL_stdinc.h" - -#include "mmx.h" - -/* *INDENT-OFF* */ - -static mmx_t MMX_0080w = { .ud = {0x00800080, 0x00800080} }; -static mmx_t MMX_00FFw = { .ud = {0x00ff00ff, 0x00ff00ff} }; -static mmx_t MMX_FF00w = { .ud = {0xff00ff00, 0xff00ff00} }; - -static mmx_t MMX_Ycoeff = { .uw = {0x004a, 0x004a, 0x004a, 0x004a} }; - -static mmx_t MMX_UbluRGB = { .uw = {0x0072, 0x0072, 0x0072, 0x0072} }; -static mmx_t MMX_VredRGB = { .uw = {0x0059, 0x0059, 0x0059, 0x0059} }; -static mmx_t MMX_UgrnRGB = { .uw = {0xffea, 0xffea, 0xffea, 0xffea} }; -static mmx_t MMX_VgrnRGB = { .uw = {0xffd2, 0xffd2, 0xffd2, 0xffd2} }; - -static mmx_t MMX_Ublu5x5 = { .uw = {0x0081, 0x0081, 0x0081, 0x0081} }; -static mmx_t MMX_Vred5x5 = { .uw = {0x0066, 0x0066, 0x0066, 0x0066} }; -static mmx_t MMX_Ugrn565 = { .uw = {0xffe8, 0xffe8, 0xffe8, 0xffe8} }; -static mmx_t MMX_Vgrn565 = { .uw = {0xffcd, 0xffcd, 0xffcd, 0xffcd} }; - -static mmx_t MMX_red565 = { .uw = {0xf800, 0xf800, 0xf800, 0xf800} }; -static mmx_t MMX_grn565 = { .uw = {0x07e0, 0x07e0, 0x07e0, 0x07e0} }; - -/** - This MMX assembler is my first assembler/MMX program ever. - Thus it maybe buggy. - Send patches to: - mvogt@rhrk.uni-kl.de - - After it worked fine I have "obfuscated" the code a bit to have - more parallism in the MMX units. This means I moved - initilisation around and delayed other instruction. - Performance measurement did not show that this brought any advantage - but in theory it _should_ be faster this way. - - The overall performanve gain to the C based dither was 30%-40%. - The MMX routine calculates 256bit=8RGB values in each cycle - (4 for row1 & 4 for row2) - - The red/green/blue.. coefficents are taken from the mpeg_play - player. They look nice, but I dont know if you can have - better values, to avoid integer rounding errors. - - - IMPORTANT: - ========== - - It is a requirement that the cr/cb/lum are 8 byte aligned and - the out are 16byte aligned or you will/may get segfaults - -*/ - -void ColorRGBDitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix, - unsigned char *lum, unsigned char *cr, - unsigned char *cb, unsigned char *out, - int rows, int cols, int mod ) -{ - Uint32 *row1; - Uint32 *row2; - - unsigned char* y = lum +cols*rows; // Pointer to the end - int x = 0; - row1 = (Uint32 *)out; // 32 bit target - row2 = (Uint32 *)out+cols+mod; // start of second row - mod = (mod+cols+mod)*4; // increment for row1 in byte - - __asm__ __volatile__ ( - // tap dance to workaround the inability to use %%ebx at will... - // move one thing to the stack... - "pushl $0\n" // save a slot on the stack. - "pushl %%ebx\n" // save %%ebx. - "movl %0, %%ebx\n" // put the thing in ebx. - "movl %%ebx,4(%%esp)\n" // put the thing in the stack slot. - "popl %%ebx\n" // get back %%ebx (the PIC register). - - ".align 8\n" - "1:\n" - - // create Cr (result in mm1) - "pushl %%ebx\n" - "movl 4(%%esp),%%ebx\n" - "movd (%%ebx),%%mm1\n" // 0 0 0 0 v3 v2 v1 v0 - "popl %%ebx\n" - "pxor %%mm7,%%mm7\n" // 00 00 00 00 00 00 00 00 - "movd (%2), %%mm2\n" // 0 0 0 0 l3 l2 l1 l0 - "punpcklbw %%mm7,%%mm1\n" // 0 v3 0 v2 00 v1 00 v0 - "punpckldq %%mm1,%%mm1\n" // 00 v1 00 v0 00 v1 00 v0 - "psubw %9,%%mm1\n" // mm1-128:r1 r1 r0 r0 r1 r1 r0 r0 - - // create Cr_g (result in mm0) - "movq %%mm1,%%mm0\n" // r1 r1 r0 r0 r1 r1 r0 r0 - "pmullw %10,%%mm0\n" // red*-46dec=0.7136*64 - "pmullw %11,%%mm1\n" // red*89dec=1.4013*64 - "psraw $6, %%mm0\n" // red=red/64 - "psraw $6, %%mm1\n" // red=red/64 - - // create L1 L2 (result in mm2,mm4) - // L2=lum+cols - "movq (%2,%4),%%mm3\n" // 0 0 0 0 L3 L2 L1 L0 - "punpckldq %%mm3,%%mm2\n" // L3 L2 L1 L0 l3 l2 l1 l0 - "movq %%mm2,%%mm4\n" // L3 L2 L1 L0 l3 l2 l1 l0 - "pand %12,%%mm2\n" // L3 0 L1 0 l3 0 l1 0 - "pand %13,%%mm4\n" // 0 L2 0 L0 0 l2 0 l0 - "psrlw $8,%%mm2\n" // 0 L3 0 L1 0 l3 0 l1 - - // create R (result in mm6) - "movq %%mm2,%%mm5\n" // 0 L3 0 L1 0 l3 0 l1 - "movq %%mm4,%%mm6\n" // 0 L2 0 L0 0 l2 0 l0 - "paddsw %%mm1, %%mm5\n" // lum1+red:x R3 x R1 x r3 x r1 - "paddsw %%mm1, %%mm6\n" // lum1+red:x R2 x R0 x r2 x r0 - "packuswb %%mm5,%%mm5\n" // R3 R1 r3 r1 R3 R1 r3 r1 - "packuswb %%mm6,%%mm6\n" // R2 R0 r2 r0 R2 R0 r2 r0 - "pxor %%mm7,%%mm7\n" // 00 00 00 00 00 00 00 00 - "punpcklbw %%mm5,%%mm6\n" // R3 R2 R1 R0 r3 r2 r1 r0 - - // create Cb (result in mm1) - "movd (%1), %%mm1\n" // 0 0 0 0 u3 u2 u1 u0 - "punpcklbw %%mm7,%%mm1\n" // 0 u3 0 u2 00 u1 00 u0 - "punpckldq %%mm1,%%mm1\n" // 00 u1 00 u0 00 u1 00 u0 - "psubw %9,%%mm1\n" // mm1-128:u1 u1 u0 u0 u1 u1 u0 u0 - // create Cb_g (result in mm5) - "movq %%mm1,%%mm5\n" // u1 u1 u0 u0 u1 u1 u0 u0 - "pmullw %14,%%mm5\n" // blue*-109dec=1.7129*64 - "pmullw %15,%%mm1\n" // blue*114dec=1.78125*64 - "psraw $6, %%mm5\n" // blue=red/64 - "psraw $6, %%mm1\n" // blue=blue/64 - - // create G (result in mm7) - "movq %%mm2,%%mm3\n" // 0 L3 0 L1 0 l3 0 l1 - "movq %%mm4,%%mm7\n" // 0 L2 0 L0 0 l2 0 l1 - "paddsw %%mm5, %%mm3\n" // lum1+Cb_g:x G3t x G1t x g3t x g1t - "paddsw %%mm5, %%mm7\n" // lum1+Cb_g:x G2t x G0t x g2t x g0t - "paddsw %%mm0, %%mm3\n" // lum1+Cr_g:x G3 x G1 x g3 x g1 - "paddsw %%mm0, %%mm7\n" // lum1+blue:x G2 x G0 x g2 x g0 - "packuswb %%mm3,%%mm3\n" // G3 G1 g3 g1 G3 G1 g3 g1 - "packuswb %%mm7,%%mm7\n" // G2 G0 g2 g0 G2 G0 g2 g0 - "punpcklbw %%mm3,%%mm7\n" // G3 G2 G1 G0 g3 g2 g1 g0 - - // create B (result in mm5) - "movq %%mm2,%%mm3\n" // 0 L3 0 L1 0 l3 0 l1 - "movq %%mm4,%%mm5\n" // 0 L2 0 L0 0 l2 0 l1 - "paddsw %%mm1, %%mm3\n" // lum1+blue:x B3 x B1 x b3 x b1 - "paddsw %%mm1, %%mm5\n" // lum1+blue:x B2 x B0 x b2 x b0 - "packuswb %%mm3,%%mm3\n" // B3 B1 b3 b1 B3 B1 b3 b1 - "packuswb %%mm5,%%mm5\n" // B2 B0 b2 b0 B2 B0 b2 b0 - "punpcklbw %%mm3,%%mm5\n" // B3 B2 B1 B0 b3 b2 b1 b0 - - // fill destination row1 (needed are mm6=Rr,mm7=Gg,mm5=Bb) - - "pxor %%mm2,%%mm2\n" // 0 0 0 0 0 0 0 0 - "pxor %%mm4,%%mm4\n" // 0 0 0 0 0 0 0 0 - "movq %%mm6,%%mm1\n" // R3 R2 R1 R0 r3 r2 r1 r0 - "movq %%mm5,%%mm3\n" // B3 B2 B1 B0 b3 b2 b1 b0 - // process lower lum - "punpcklbw %%mm4,%%mm1\n" // 0 r3 0 r2 0 r1 0 r0 - "punpcklbw %%mm4,%%mm3\n" // 0 b3 0 b2 0 b1 0 b0 - "movq %%mm1,%%mm2\n" // 0 r3 0 r2 0 r1 0 r0 - "movq %%mm3,%%mm0\n" // 0 b3 0 b2 0 b1 0 b0 - "punpcklwd %%mm1,%%mm3\n" // 0 r1 0 b1 0 r0 0 b0 - "punpckhwd %%mm2,%%mm0\n" // 0 r3 0 b3 0 r2 0 b2 - - "pxor %%mm2,%%mm2\n" // 0 0 0 0 0 0 0 0 - "movq %%mm7,%%mm1\n" // G3 G2 G1 G0 g3 g2 g1 g0 - "punpcklbw %%mm1,%%mm2\n" // g3 0 g2 0 g1 0 g0 0 - "punpcklwd %%mm4,%%mm2\n" // 0 0 g1 0 0 0 g0 0 - "por %%mm3, %%mm2\n" // 0 r1 g1 b1 0 r0 g0 b0 - "movq %%mm2,(%3)\n" // wrote out ! row1 - - "pxor %%mm2,%%mm2\n" // 0 0 0 0 0 0 0 0 - "punpcklbw %%mm1,%%mm4\n" // g3 0 g2 0 g1 0 g0 0 - "punpckhwd %%mm2,%%mm4\n" // 0 0 g3 0 0 0 g2 0 - "por %%mm0, %%mm4\n" // 0 r3 g3 b3 0 r2 g2 b2 - "movq %%mm4,8(%3)\n" // wrote out ! row1 - - // fill destination row2 (needed are mm6=Rr,mm7=Gg,mm5=Bb) - // this can be done "destructive" - "pxor %%mm2,%%mm2\n" // 0 0 0 0 0 0 0 0 - "punpckhbw %%mm2,%%mm6\n" // 0 R3 0 R2 0 R1 0 R0 - "punpckhbw %%mm1,%%mm5\n" // G3 B3 G2 B2 G1 B1 G0 B0 - "movq %%mm5,%%mm1\n" // G3 B3 G2 B2 G1 B1 G0 B0 - "punpcklwd %%mm6,%%mm1\n" // 0 R1 G1 B1 0 R0 G0 B0 - "movq %%mm1,(%5)\n" // wrote out ! row2 - "punpckhwd %%mm6,%%mm5\n" // 0 R3 G3 B3 0 R2 G2 B2 - "movq %%mm5,8(%5)\n" // wrote out ! row2 - - "addl $4,%2\n" // lum+4 - "leal 16(%3),%3\n" // row1+16 - "leal 16(%5),%5\n" // row2+16 - "addl $2,(%%esp)\n" // cr+2 - "addl $2,%1\n" // cb+2 - - "addl $4,%6\n" // x+4 - "cmpl %4,%6\n" - - "jl 1b\n" - "addl %4,%2\n" // lum += cols - "addl %8,%3\n" // row1+= mod - "addl %8,%5\n" // row2+= mod - "movl $0,%6\n" // x=0 - "cmpl %7,%2\n" - "jl 1b\n" - - "addl $4,%%esp\n" // get rid of the stack slot we reserved. - "emms\n" // reset MMX registers. - : - : "m" (cr), "r"(cb),"r"(lum), - "r"(row1),"r"(cols),"r"(row2),"m"(x),"m"(y),"m"(mod), - "m"(MMX_0080w),"m"(MMX_VgrnRGB),"m"(MMX_VredRGB), - "m"(MMX_FF00w),"m"(MMX_00FFw),"m"(MMX_UgrnRGB), - "m"(MMX_UbluRGB) - ); -} - -void Color565DitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix, - unsigned char *lum, unsigned char *cr, - unsigned char *cb, unsigned char *out, - int rows, int cols, int mod ) -{ - Uint16 *row1; - Uint16 *row2; - - unsigned char* y = lum +cols*rows; /* Pointer to the end */ - int x = 0; - row1 = (Uint16 *)out; /* 16 bit target */ - row2 = (Uint16 *)out+cols+mod; /* start of second row */ - mod = (mod+cols+mod)*2; /* increment for row1 in byte */ - - __asm__ __volatile__( - // tap dance to workaround the inability to use %%ebx at will... - // move one thing to the stack... - "pushl $0\n" // save a slot on the stack. - "pushl %%ebx\n" // save %%ebx. - "movl %0, %%ebx\n" // put the thing in ebx. - "movl %%ebx, 4(%%esp)\n" // put the thing in the stack slot. - "popl %%ebx\n" // get back %%ebx (the PIC register). - - ".align 8\n" - "1:\n" - "movd (%1), %%mm0\n" // 4 Cb 0 0 0 0 u3 u2 u1 u0 - "pxor %%mm7, %%mm7\n" - "pushl %%ebx\n" - "movl 4(%%esp), %%ebx\n" - "movd (%%ebx), %%mm1\n" // 4 Cr 0 0 0 0 v3 v2 v1 v0 - "popl %%ebx\n" - - "punpcklbw %%mm7, %%mm0\n" // 4 W cb 0 u3 0 u2 0 u1 0 u0 - "punpcklbw %%mm7, %%mm1\n" // 4 W cr 0 v3 0 v2 0 v1 0 v0 - "psubw %9, %%mm0\n" - "psubw %9, %%mm1\n" - "movq %%mm0, %%mm2\n" // Cb 0 u3 0 u2 0 u1 0 u0 - "movq %%mm1, %%mm3\n" // Cr - "pmullw %10, %%mm2\n" // Cb2green 0 R3 0 R2 0 R1 0 R0 - "movq (%2), %%mm6\n" // L1 l7 L6 L5 L4 L3 L2 L1 L0 - "pmullw %11, %%mm0\n" // Cb2blue - "pand %12, %%mm6\n" // L1 00 L6 00 L4 00 L2 00 L0 - "pmullw %13, %%mm3\n" // Cr2green - "movq (%2), %%mm7\n" // L2 - "pmullw %14, %%mm1\n" // Cr2red - "psrlw $8, %%mm7\n" // L2 00 L7 00 L5 00 L3 00 L1 - "pmullw %15, %%mm6\n" // lum1 - "paddw %%mm3, %%mm2\n" // Cb2green + Cr2green == green - "pmullw %15, %%mm7\n" // lum2 - - "movq %%mm6, %%mm4\n" // lum1 - "paddw %%mm0, %%mm6\n" // lum1 +blue 00 B6 00 B4 00 B2 00 B0 - "movq %%mm4, %%mm5\n" // lum1 - "paddw %%mm1, %%mm4\n" // lum1 +red 00 R6 00 R4 00 R2 00 R0 - "paddw %%mm2, %%mm5\n" // lum1 +green 00 G6 00 G4 00 G2 00 G0 - "psraw $6, %%mm4\n" // R1 0 .. 64 - "movq %%mm7, %%mm3\n" // lum2 00 L7 00 L5 00 L3 00 L1 - "psraw $6, %%mm5\n" // G1 - .. + - "paddw %%mm0, %%mm7\n" // Lum2 +blue 00 B7 00 B5 00 B3 00 B1 - "psraw $6, %%mm6\n" // B1 0 .. 64 - "packuswb %%mm4, %%mm4\n" // R1 R1 - "packuswb %%mm5, %%mm5\n" // G1 G1 - "packuswb %%mm6, %%mm6\n" // B1 B1 - "punpcklbw %%mm4, %%mm4\n" - "punpcklbw %%mm5, %%mm5\n" - - "pand %16, %%mm4\n" - "psllw $3, %%mm5\n" // GREEN 1 - "punpcklbw %%mm6, %%mm6\n" - "pand %17, %%mm5\n" - "pand %16, %%mm6\n" - "por %%mm5, %%mm4\n" // - "psrlw $11, %%mm6\n" // BLUE 1 - "movq %%mm3, %%mm5\n" // lum2 - "paddw %%mm1, %%mm3\n" // lum2 +red 00 R7 00 R5 00 R3 00 R1 - "paddw %%mm2, %%mm5\n" // lum2 +green 00 G7 00 G5 00 G3 00 G1 - "psraw $6, %%mm3\n" // R2 - "por %%mm6, %%mm4\n" // MM4 - "psraw $6, %%mm5\n" // G2 - "movq (%2, %4), %%mm6\n" // L3 load lum2 - "psraw $6, %%mm7\n" - "packuswb %%mm3, %%mm3\n" - "packuswb %%mm5, %%mm5\n" - "packuswb %%mm7, %%mm7\n" - "pand %12, %%mm6\n" // L3 - "punpcklbw %%mm3, %%mm3\n" - "punpcklbw %%mm5, %%mm5\n" - "pmullw %15, %%mm6\n" // lum3 - "punpcklbw %%mm7, %%mm7\n" - "psllw $3, %%mm5\n" // GREEN 2 - "pand %16, %%mm7\n" - "pand %16, %%mm3\n" - "psrlw $11, %%mm7\n" // BLUE 2 - "pand %17, %%mm5\n" - "por %%mm7, %%mm3\n" - "movq (%2,%4), %%mm7\n" // L4 load lum2 - "por %%mm5, %%mm3\n" // - "psrlw $8, %%mm7\n" // L4 - "movq %%mm4, %%mm5\n" - "punpcklwd %%mm3, %%mm4\n" - "pmullw %15, %%mm7\n" // lum4 - "punpckhwd %%mm3, %%mm5\n" - - "movq %%mm4, (%3)\n" // write row1 - "movq %%mm5, 8(%3)\n" // write row1 - - "movq %%mm6, %%mm4\n" // Lum3 - "paddw %%mm0, %%mm6\n" // Lum3 +blue - - "movq %%mm4, %%mm5\n" // Lum3 - "paddw %%mm1, %%mm4\n" // Lum3 +red - "paddw %%mm2, %%mm5\n" // Lum3 +green - "psraw $6, %%mm4\n" - "movq %%mm7, %%mm3\n" // Lum4 - "psraw $6, %%mm5\n" - "paddw %%mm0, %%mm7\n" // Lum4 +blue - "psraw $6, %%mm6\n" // Lum3 +blue - "movq %%mm3, %%mm0\n" // Lum4 - "packuswb %%mm4, %%mm4\n" - "paddw %%mm1, %%mm3\n" // Lum4 +red - "packuswb %%mm5, %%mm5\n" - "paddw %%mm2, %%mm0\n" // Lum4 +green - "packuswb %%mm6, %%mm6\n" - "punpcklbw %%mm4, %%mm4\n" - "punpcklbw %%mm5, %%mm5\n" - "punpcklbw %%mm6, %%mm6\n" - "psllw $3, %%mm5\n" // GREEN 3 - "pand %16, %%mm4\n" - "psraw $6, %%mm3\n" // psr 6 - "psraw $6, %%mm0\n" - "pand %16, %%mm6\n" // BLUE - "pand %17, %%mm5\n" - "psrlw $11, %%mm6\n" // BLUE 3 - "por %%mm5, %%mm4\n" - "psraw $6, %%mm7\n" - "por %%mm6, %%mm4\n" - "packuswb %%mm3, %%mm3\n" - "packuswb %%mm0, %%mm0\n" - "packuswb %%mm7, %%mm7\n" - "punpcklbw %%mm3, %%mm3\n" - "punpcklbw %%mm0, %%mm0\n" - "punpcklbw %%mm7, %%mm7\n" - "pand %16, %%mm3\n" - "pand %16, %%mm7\n" // BLUE - "psllw $3, %%mm0\n" // GREEN 4 - "psrlw $11, %%mm7\n" - "pand %17, %%mm0\n" - "por %%mm7, %%mm3\n" - "por %%mm0, %%mm3\n" - - "movq %%mm4, %%mm5\n" - - "punpcklwd %%mm3, %%mm4\n" - "punpckhwd %%mm3, %%mm5\n" - - "movq %%mm4, (%5)\n" - "movq %%mm5, 8(%5)\n" - - "addl $8, %6\n" - "addl $8, %2\n" - "addl $4, (%%esp)\n" - "addl $4, %1\n" - "cmpl %4, %6\n" - "leal 16(%3), %3\n" - "leal 16(%5),%5\n" // row2+16 - - "jl 1b\n" - "addl %4, %2\n" // lum += cols - "addl %8, %3\n" // row1+= mod - "addl %8, %5\n" // row2+= mod - "movl $0, %6\n" // x=0 - "cmpl %7, %2\n" - "jl 1b\n" - "addl $4, %%esp\n" // get rid of the stack slot we reserved. - "emms\n" - : - : "m" (cr), "r"(cb),"r"(lum), - "r"(row1),"r"(cols),"r"(row2),"m"(x),"m"(y),"m"(mod), - "m"(MMX_0080w),"m"(MMX_Ugrn565),"m"(MMX_Ublu5x5), - "m"(MMX_00FFw),"m"(MMX_Vgrn565),"m"(MMX_Vred5x5), - "m"(MMX_Ycoeff),"m"(MMX_red565),"m"(MMX_grn565) - ); -} - -/* *INDENT-ON* */ - -#endif /* GCC3 i386 inline assembly */ - |