/* * yuv2rgb_mmx.c, Software YUV to RGB coverter with Intel MMX "technology" * * Copyright (C) 2000, Silicon Integrated System Corp. * All Rights Reserved. * * Author: Olie Lho * * This file is part of mpeg2dec, a free MPEG-2 video decoder * * mpeg2dec 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, or (at your option) * any later version. * * mpeg2dec 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 GNU Make; see the file COPYING. If not, write to * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. * */ #include #include #include "../config.h" #include "mmx.h" //#include "libmpeg2/mpeg2.h" //#include "libmpeg2/mpeg2_internal.h" #include #include "yuv2rgb.h" /* hope these constant values are cache line aligned */ uint64_t mmx_80w = 0x0080008000800080; uint64_t mmx_10w = 0x1010101010101010; uint64_t mmx_00ffw = 0x00ff00ff00ff00ff; uint64_t mmx_Y_coeff = 0x253f253f253f253f; /* hope these constant values are cache line aligned */ uint64_t mmx_U_green = 0xf37df37df37df37d; uint64_t mmx_U_blue = 0x4093409340934093; uint64_t mmx_V_red = 0x3312331233123312; uint64_t mmx_V_green = 0xe5fce5fce5fce5fc; /* hope these constant values are cache line aligned */ uint64_t mmx_redmask = 0xf8f8f8f8f8f8f8f8; uint64_t mmx_grnmask = 0xfcfcfcfcfcfcfcfc; uint64_t mmx_grnshift = 0x03; uint64_t mmx_blueshift = 0x03; #ifdef HAVE_MMX2 /* use this for K7 and p3 only */ #define MOVNTQ "movntq" #else /* for MMX-only processors */ #define MOVNTQ "movq" #endif #if !defined( HAVE_MMX2) && defined( HAVE_3DNOW) /* for K6 2/2+/3 */ #define EMMS "femms;" #else #define EMMS "emms;" #endif static void yuv420_rgb16_mmx (uint8_t * image, uint8_t * py, uint8_t * pu, uint8_t * pv, int h_size, int v_size, int rgb_stride, int y_stride, int uv_stride) { int even = 1; int x, y; __asm__ __volatile__ ("pxor %mm4, %mm4;" /* zero mm4 */ ); for (y = v_size; --y >= 0; ) { uint8_t *_image = image; uint8_t *_py = py; uint8_t *_pu = pu; uint8_t *_pv = pv; /* load data for start of next scan line */ __asm__ __volatile__ ( "movd (%1), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */ "movd (%2), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */ "movq (%0), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */ : : "r" (_py), "r" (_pu), "r" (_pv)); for (x = h_size >> 3; --x >= 0; ) { /* this mmx assembly code deals with SINGLE scan line at a time, it convert 8 pixels in each iteration */ __asm__ __volatile__ ( /* Do the multiply part of the conversion for even and odd pixels, register usage: mm0 -> Cblue, mm1 -> Cred, mm2 -> Cgreen even pixels, mm3 -> Cblue, mm4 -> Cred, mm5 -> Cgreen odd pixels, mm6 -> Y even, mm7 -> Y odd */ /* convert the chroma part */ "punpcklbw %%mm4, %%mm0;" /* scatter 4 Cb 00 u3 00 u2 00 u1 00 u0 */ "punpcklbw %%mm4, %%mm1;" /* scatter 4 Cr 00 v3 00 v2 00 v1 00 v0 */ "psubsw mmx_80w, %%mm0;" /* Cb -= 128 */ "psubsw mmx_80w, %%mm1;" /* Cr -= 128 */ "psllw $3, %%mm0;" /* Promote precision */ "psllw $3, %%mm1;" /* Promote precision */ "movq %%mm0, %%mm2;" /* Copy 4 Cb 00 u3 00 u2 00 u1 00 u0 */ "movq %%mm1, %%mm3;" /* Copy 4 Cr 00 v3 00 v2 00 v1 00 v0 */ "pmulhw mmx_U_green, %%mm2;" /* Mul Cb with green coeff -> Cb green */ "pmulhw mmx_V_green, %%mm3;" /* Mul Cr with green coeff -> Cr green */ "pmulhw mmx_U_blue, %%mm0;" /* Mul Cb -> Cblue 00 b3 00 b2 00 b1 00 b0 */ "pmulhw mmx_V_red, %%mm1;" /* Mul Cr -> Cred 00 r3 00 r2 00 r1 00 r0 */ "paddsw %%mm3, %%mm2;" /* Cb green + Cr green -> Cgreen */ /* convert the luma part */ "psubusb mmx_10w, %%mm6;" /* Y -= 16 */ "movq %%mm6, %%mm7;" /* Copy 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */ "pand mmx_00ffw, %%mm6;" /* get Y even 00 Y6 00 Y4 00 Y2 00 Y0 */ "psrlw $8, %%mm7;" /* get Y odd 00 Y7 00 Y5 00 Y3 00 Y1 */ "psllw $3, %%mm6;" /* Promote precision */ "psllw $3, %%mm7;" /* Promote precision */ "pmulhw mmx_Y_coeff, %%mm6;" /* Mul 4 Y even 00 y6 00 y4 00 y2 00 y0 */ "pmulhw mmx_Y_coeff, %%mm7;" /* Mul 4 Y odd 00 y7 00 y5 00 y3 00 y1 */ /* Do the addition part of the conversion for even and odd pixels, register usage: mm0 -> Cblue, mm1 -> Cred, mm2 -> Cgreen even pixels, mm3 -> Cblue, mm4 -> Cred, mm5 -> Cgreen odd pixels, mm6 -> Y even, mm7 -> Y odd */ "movq %%mm0, %%mm3;" /* Copy Cblue */ "movq %%mm1, %%mm4;" /* Copy Cred */ "movq %%mm2, %%mm5;" /* Copy Cgreen */ "paddsw %%mm6, %%mm0;" /* Y even + Cblue 00 B6 00 B4 00 B2 00 B0 */ "paddsw %%mm7, %%mm3;" /* Y odd + Cblue 00 B7 00 B5 00 B3 00 B1 */ "paddsw %%mm6, %%mm1;" /* Y even + Cred 00 R6 00 R4 00 R2 00 R0 */ "paddsw %%mm7, %%mm4;" /* Y odd + Cred 00 R7 00 R5 00 R3 00 R1 */ "paddsw %%mm6, %%mm2;" /* Y even + Cgreen 00 G6 00 G4 00 G2 00 G0 */ "paddsw %%mm7, %%mm5;" /* Y odd + Cgreen 00 G7 00 G5 00 G3 00 G1 */ /* Limit RGB even to 0..255 */ "packuswb %%mm0, %%mm0;" /* B6 B4 B2 B0 B6 B4 B2 B0 */ "packuswb %%mm1, %%mm1;" /* R6 R4 R2 R0 R6 R4 R2 R0 */ "packuswb %%mm2, %%mm2;" /* G6 G4 G2 G0 G6 G4 G2 G0 */ /* Limit RGB odd to 0..255 */ "packuswb %%mm3, %%mm3;" /* B7 B5 B3 B1 B7 B5 B3 B1 */ "packuswb %%mm4, %%mm4;" /* R7 R5 R3 R1 R7 R5 R3 R1 */ "packuswb %%mm5, %%mm5;" /* G7 G5 G3 G1 G7 G5 G3 G1 */ /* Interleave RGB even and odd */ "punpcklbw %%mm3, %%mm0;" /* B7 B6 B5 B4 B3 B2 B1 B0 */ "punpcklbw %%mm4, %%mm1;" /* R7 R6 R5 R4 R3 R2 R1 R0 */ "punpcklbw %%mm5, %%mm2;" /* G7 G6 G5 G4 G3 G2 G1 G0 */ /* mask unneeded bits off */ "pand mmx_redmask, %%mm0;" /* b7b6b5b4 b3_0_0_0 b7b6b5b4 b3_0_0_0 */ "pand mmx_grnmask, %%mm2;" /* g7g6g5g4 g3g2_0_0 g7g6g5g4 g3g2_0_0 */ "pand mmx_redmask, %%mm1;" /* r7r6r5r4 r3_0_0_0 r7r6r5r4 r3_0_0_0 */ "psrlw mmx_blueshift,%%mm0;" /* 0_0_0_b7 b6b5b4b3 0_0_0_b7 b6b5b4b3 */ "pxor %%mm4, %%mm4;" /* zero mm4 */ "movq %%mm0, %%mm5;" /* Copy B7-B0 */ "movq %%mm2, %%mm7;" /* Copy G7-G0 */ /* convert rgb24 plane to rgb16 pack for pixel 0-3 */ "punpcklbw %%mm4, %%mm2;" /* 0_0_0_0 0_0_0_0 g7g6g5g4 g3g2_0_0 */ "punpcklbw %%mm1, %%mm0;" /* r7r6r5r4 r3_0_0_0 0_0_0_b7 b6b5b4b3 */ "psllw mmx_blueshift,%%mm2;" /* 0_0_0_0 0_g7g6g5 g4g3g2_0 0_0_0_0 */ "por %%mm2, %%mm0;" /* r7r6r5r4 r3g7g6g5 g4g3g2b7 b6b5b4b3 */ "movq 8 (%0), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */ MOVNTQ " %%mm0, (%3);" /* store pixel 0-3 */ /* convert rgb24 plane to rgb16 pack for pixel 0-3 */ "punpckhbw %%mm4, %%mm7;" /* 0_0_0_0 0_0_0_0 g7g6g5g4 g3g2_0_0 */ "punpckhbw %%mm1, %%mm5;" /* r7r6r5r4 r3_0_0_0 0_0_0_b7 b6b5b4b3 */ "psllw mmx_blueshift,%%mm7;" /* 0_0_0_0 0_g7g6g5 g4g3g2_0 0_0_0_0 */ "movd 4 (%1), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */ "por %%mm7, %%mm5;" /* r7r6r5r4 r3g7g6g5 g4g3g2b7 b6b5b4b3 */ "movd 4 (%2), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */ MOVNTQ " %%mm5, 8 (%3);" /* store pixel 4-7 */ : : "r" (_py), "r" (_pu), "r" (_pv), "r" (_image)); _py += 8; _pu += 4; _pv += 4; _image += 16; } if (!even) { pu += uv_stride; pv += uv_stride; } py += y_stride; image += rgb_stride; even = (!even); } __asm__ __volatile__ (EMMS); } static void yuv420_argb32_mmx (uint8_t * image, uint8_t * py, uint8_t * pu, uint8_t * pv, int h_size, int v_size, int rgb_stride, int y_stride, int uv_stride) { int even = 1; int x, y; __asm__ __volatile__ ("pxor %mm4, %mm4;" /* zero mm4 */ ); for (y = v_size; --y >= 0; ) { uint8_t *_image = image; uint8_t *_py = py; uint8_t *_pu = pu; uint8_t *_pv = pv; /* load data for start of next scan line */ __asm__ __volatile__ ( "movd (%1), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */ "movd (%2), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */ "movq (%0), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */ : : "r" (_py), "r" (_pu), "r" (_pv) ); for (x = h_size >> 3; --x >= 0; ) { /* this mmx assembly code deals with SINGLE scan line at a time, it convert 8 pixels in each iteration */ __asm__ __volatile__ ( /* Do the multiply part of the conversion for even and odd pixels, register usage: mm0 -> Cblue, mm1 -> Cred, mm2 -> Cgreen even pixels, mm3 -> Cblue, mm4 -> Cred, mm5 -> Cgreen odd pixels, mm6 -> Y even, mm7 -> Y odd */ /* convert the chroma part */ "punpcklbw %%mm4, %%mm0;" /* scatter 4 Cb 00 u3 00 u2 00 u1 00 u0 */ "punpcklbw %%mm4, %%mm1;" /* scatter 4 Cr 00 v3 00 v2 00 v1 00 v0 */ "psubsw mmx_80w, %%mm0;" /* Cb -= 128 */ "psubsw mmx_80w, %%mm1;" /* Cr -= 128 */ "psllw $3, %%mm0;" /* Promote precision */ "psllw $3, %%mm1;" /* Promote precision */ "movq %%mm0, %%mm2;" /* Copy 4 Cb 00 u3 00 u2 00 u1 00 u0 */ "movq %%mm1, %%mm3;" /* Copy 4 Cr 00 v3 00 v2 00 v1 00 v0 */ "pmulhw mmx_U_green, %%mm2;" /* Mul Cb with green coeff -> Cb green */ "pmulhw mmx_V_green, %%mm3;" /* Mul Cr with green coeff -> Cr green */ "pmulhw mmx_U_blue, %%mm0;" /* Mul Cb -> Cblue 00 b3 00 b2 00 b1 00 b0 */ "pmulhw mmx_V_red, %%mm1;" /* Mul Cr -> Cred 00 r3 00 r2 00 r1 00 r0 */ "paddsw %%mm3, %%mm2;" /* Cb green + Cr green -> Cgreen */ /* convert the luma part */ "psubusb mmx_10w, %%mm6;" /* Y -= 16 */ "movq %%mm6, %%mm7;" /* Copy 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */ "pand mmx_00ffw, %%mm6;" /* get Y even 00 Y6 00 Y4 00 Y2 00 Y0 */ "psrlw $8, %%mm7;" /* get Y odd 00 Y7 00 Y5 00 Y3 00 Y1 */ "psllw $3, %%mm6;" /* Promote precision */ "psllw $3, %%mm7;" /* Promote precision */ "pmulhw mmx_Y_coeff, %%mm6;" /* Mul 4 Y even 00 y6 00 y4 00 y2 00 y0 */ "pmulhw mmx_Y_coeff, %%mm7;" /* Mul 4 Y odd 00 y7 00 y5 00 y3 00 y1 */ /* Do the addition part of the conversion for even and odd pixels, register usage: mm0 -> Cblue, mm1 -> Cred, mm2 -> Cgreen even pixels, mm3 -> Cblue, mm4 -> Cred, mm5 -> Cgreen odd pixels, mm6 -> Y even, mm7 -> Y odd */ "movq %%mm0, %%mm3;" /* Copy Cblue */ "movq %%mm1, %%mm4;" /* Copy Cred */ "movq %%mm2, %%mm5;" /* Copy Cgreen */ "paddsw %%mm6, %%mm0;" /* Y even + Cblue 00 B6 00 B4 00 B2 00 B0 */ "paddsw %%mm7, %%mm3;" /* Y odd + Cblue 00 B7 00 B5 00 B3 00 B1 */ "paddsw %%mm6, %%mm1;" /* Y even + Cred 00 R6 00 R4 00 R2 00 R0 */ "paddsw %%mm7, %%mm4;" /* Y odd + Cred 00 R7 00 R5 00 R3 00 R1 */ "paddsw %%mm6, %%mm2;" /* Y even + Cgreen 00 G6 00 G4 00 G2 00 G0 */ "paddsw %%mm7, %%mm5;" /* Y odd + Cgreen 00 G7 00 G5 00 G3 00 G1 */ /* Limit RGB even to 0..255 */ "packuswb %%mm0, %%mm0;" /* B6 B4 B2 B0 B6 B4 B2 B0 */ "packuswb %%mm1, %%mm1;" /* R6 R4 R2 R0 R6 R4 R2 R0 */ "packuswb %%mm2, %%mm2;" /* G6 G4 G2 G0 G6 G4 G2 G0 */ /* Limit RGB odd to 0..255 */ "packuswb %%mm3, %%mm3;" /* B7 B5 B3 B1 B7 B5 B3 B1 */ "packuswb %%mm4, %%mm4;" /* R7 R5 R3 R1 R7 R5 R3 R1 */ "packuswb %%mm5, %%mm5;" /* G7 G5 G3 G1 G7 G5 G3 G1 */ /* Interleave RGB even and odd */ "punpcklbw %%mm3, %%mm0;" /* B7 B6 B5 B4 B3 B2 B1 B0 */ "punpcklbw %%mm4, %%mm1;" /* R7 R6 R5 R4 R3 R2 R1 R0 */ "punpcklbw %%mm5, %%mm2;" /* G7 G6 G5 G4 G3 G2 G1 G0 */ /* convert RGB plane to RGB packed format, mm0 -> B, mm1 -> R, mm2 -> G, mm3 -> 0, mm4 -> GB, mm5 -> AR pixel 4-7, mm6 -> GB, mm7 -> AR pixel 0-3 */ "pxor %%mm3, %%mm3;" /* zero mm3 */ "movq %%mm0, %%mm6;" /* B7 B6 B5 B4 B3 B2 B1 B0 */ "movq %%mm1, %%mm7;" /* R7 R6 R5 R4 R3 R2 R1 R0 */ "movq %%mm0, %%mm4;" /* B7 B6 B5 B4 B3 B2 B1 B0 */ "movq %%mm1, %%mm5;" /* R7 R6 R5 R4 R3 R2 R1 R0 */ "punpcklbw %%mm2, %%mm6;" /* G3 B3 G2 B2 G1 B1 G0 B0 */ "punpcklbw %%mm3, %%mm7;" /* 00 R3 00 R2 00 R1 00 R0 */ "punpcklwd %%mm7, %%mm6;" /* 00 R1 B1 G1 00 R0 B0 G0 */ MOVNTQ " %%mm6, (%3);" /* Store ARGB1 ARGB0 */ "movq %%mm0, %%mm6;" /* B7 B6 B5 B4 B3 B2 B1 B0 */ "punpcklbw %%mm2, %%mm6;" /* G3 B3 G2 B2 G1 B1 G0 B0 */ "punpckhwd %%mm7, %%mm6;" /* 00 R3 G3 B3 00 R2 B3 G2 */ MOVNTQ " %%mm6, 8 (%3);" /* Store ARGB3 ARGB2 */ "punpckhbw %%mm2, %%mm4;" /* G7 B7 G6 B6 G5 B5 G4 B4 */ "punpckhbw %%mm3, %%mm5;" /* 00 R7 00 R6 00 R5 00 R4 */ "punpcklwd %%mm5, %%mm4;" /* 00 R5 B5 G5 00 R4 B4 G4 */ MOVNTQ " %%mm4, 16 (%3);" /* Store ARGB5 ARGB4 */ "movq %%mm0, %%mm4;" /* B7 B6 B5 B4 B3 B2 B1 B0 */ "punpckhbw %%mm2, %%mm4;" /* G7 B7 G6 B6 G5 B5 G4 B4 */ "punpckhwd %%mm5, %%mm4;" /* 00 R7 G7 B7 00 R6 B6 G6 */ MOVNTQ " %%mm4, 24 (%3);" /* Store ARGB7 ARGB6 */ "movd 4 (%1), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */ "movd 4 (%2), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */ "pxor %%mm4, %%mm4;" /* zero mm4 */ "movq 8 (%0), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */ : : "r" (_py), "r" (_pu), "r" (_pv), "r" (_image)); _py += 8; _pu += 4; _pv += 4; _image += 32; } if (!even) { pu += uv_stride; pv += uv_stride; } py += y_stride; image += rgb_stride; even = (!even); } __asm__ __volatile__ (EMMS); } yuv2rgb_fun yuv2rgb_init_mmx (int bpp, int mode) { // if (bpp == 15 || bpp == 16) { if (bpp == 16 && mode == MODE_RGB) return yuv420_rgb16_mmx; if (bpp == 32 && mode == MODE_RGB) return yuv420_argb32_mmx; return NULL; // Fallback to C. }