1 /*****************************************************************************
2 * transforms_yuvmmx.h: MMX YUV transformation assembly
3 *****************************************************************************
4 * Copyright (C) 1999, 2000 VideoLAN
5 * $Id: i420_rgb_mmx.h,v 1.1 2002/01/04 14:01:34 sam Exp $
7 * Authors: Olie Lho <ollie@sis.com.tw>
8 * Gaƫl Hendryckx <jimmy@via.ecp.fr>
9 * Samuel Hocevar <sam@zoy.org>
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * General Public License for more details.
21 * You should have received a copy of the GNU General Public
22 * License along with this program; if not, write to the
23 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
24 * Boston, MA 02111-1307, USA.
25 *****************************************************************************/
27 /* hope these constant values are cache line aligned */
28 #define UNUSED_LONGLONG(foo) \
29 unsigned long long foo __asm__ (#foo) __attribute__((unused))
30 UNUSED_LONGLONG(mmx_80w) = 0x0080008000800080;
31 UNUSED_LONGLONG(mmx_10w) = 0x1010101010101010;
32 UNUSED_LONGLONG(mmx_00ffw) = 0x00ff00ff00ff00ff;
33 UNUSED_LONGLONG(mmx_Y_coeff) = 0x253f253f253f253f;
35 UNUSED_LONGLONG(mmx_U_green) = 0xf37df37df37df37d;
36 UNUSED_LONGLONG(mmx_U_blue) = 0x4093409340934093;
37 UNUSED_LONGLONG(mmx_V_red) = 0x3312331233123312;
38 UNUSED_LONGLONG(mmx_V_green) = 0xe5fce5fce5fce5fc;
40 UNUSED_LONGLONG(mmx_redmask) = 0xf8f8f8f8f8f8f8f8;
41 UNUSED_LONGLONG(mmx_grnmask) = 0xfcfcfcfcfcfcfcfc;
42 UNUSED_LONGLONG(mmx_grnshift) = 0x03;
43 UNUSED_LONGLONG(mmx_blueshift) = 0x03;
44 #undef UNUSED_LONGLONG
46 #define MMX_INIT_16 " \n\
47 movd (%1), %%mm0 # Load 4 Cb 00 00 00 00 u3 u2 u1 u0 \n\
48 movd (%2), %%mm1 # Load 4 Cr 00 00 00 00 v3 v2 v1 v0 \n\
49 pxor %%mm4, %%mm4 # zero mm4 \n\
50 movq (%0), %%mm6 # Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 \n\
51 #movl $0, (%3) # cache preload for image \n\
54 #define MMX_INIT_16_GRAY " \n\
55 movq (%0), %%mm6 # Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 \n\
56 #movl $0, (%3) # cache preload for image \n\
59 #define MMX_INIT_32 " \n\
60 movd (%1), %%mm0 # Load 4 Cb 00 00 00 00 u3 u2 u1 u0 \n\
61 movl $0, (%3) # cache preload for image \n\
62 movd (%2), %%mm1 # Load 4 Cr 00 00 00 00 v3 v2 v1 v0 \n\
63 pxor %%mm4, %%mm4 # zero mm4 \n\
64 movq (%0), %%mm6 # Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 \n\
68 * Do the multiply part of the conversion for even and odd pixels,
70 * mm0 -> Cblue, mm1 -> Cred, mm2 -> Cgreen even pixels,
71 * mm3 -> Cblue, mm4 -> Cred, mm5 -> Cgreen odd pixels,
72 * mm6 -> Y even, mm7 -> Y odd
75 #define MMX_YUV_MUL " \n\
76 # convert the chroma part \n\
77 punpcklbw %%mm4, %%mm0 # scatter 4 Cb 00 u3 00 u2 00 u1 00 u0 \n\
78 punpcklbw %%mm4, %%mm1 # scatter 4 Cr 00 v3 00 v2 00 v1 00 v0 \n\
79 psubsw mmx_80w, %%mm0 # Cb -= 128 \n\
80 psubsw mmx_80w, %%mm1 # Cr -= 128 \n\
81 psllw $3, %%mm0 # Promote precision \n\
82 psllw $3, %%mm1 # Promote precision \n\
83 movq %%mm0, %%mm2 # Copy 4 Cb 00 u3 00 u2 00 u1 00 u0 \n\
84 movq %%mm1, %%mm3 # Copy 4 Cr 00 v3 00 v2 00 v1 00 v0 \n\
85 pmulhw mmx_U_green, %%mm2 # Mul Cb with green coeff -> Cb green \n\
86 pmulhw mmx_V_green, %%mm3 # Mul Cr with green coeff -> Cr green \n\
87 pmulhw mmx_U_blue, %%mm0 # Mul Cb -> Cblue 00 b3 00 b2 00 b1 00 b0 \n\
88 pmulhw mmx_V_red, %%mm1 # Mul Cr -> Cred 00 r3 00 r2 00 r1 00 r0 \n\
89 paddsw %%mm3, %%mm2 # Cb green + Cr green -> Cgreen \n\
91 # convert the luma part \n\
92 psubusb mmx_10w, %%mm6 # Y -= 16 \n\
93 movq %%mm6, %%mm7 # Copy 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 \n\
94 pand mmx_00ffw, %%mm6 # get Y even 00 Y6 00 Y4 00 Y2 00 Y0 \n\
95 psrlw $8, %%mm7 # get Y odd 00 Y7 00 Y5 00 Y3 00 Y1 \n\
96 psllw $3, %%mm6 # Promote precision \n\
97 psllw $3, %%mm7 # Promote precision \n\
98 pmulhw mmx_Y_coeff, %%mm6 # Mul 4 Y even 00 y6 00 y4 00 y2 00 y0 \n\
99 pmulhw mmx_Y_coeff, %%mm7 # Mul 4 Y odd 00 y7 00 y5 00 y3 00 y1 \n\
103 * Do the addition part of the conversion for even and odd pixels,
105 * mm0 -> Cblue, mm1 -> Cred, mm2 -> Cgreen even pixels,
106 * mm3 -> Cblue, mm4 -> Cred, mm5 -> Cgreen odd pixels,
107 * mm6 -> Y even, mm7 -> Y odd
110 #define MMX_YUV_ADD " \n\
111 # Do horizontal and vertical scaling \n\
112 movq %%mm0, %%mm3 # Copy Cblue \n\
113 movq %%mm1, %%mm4 # Copy Cred \n\
114 movq %%mm2, %%mm5 # Copy Cgreen \n\
115 paddsw %%mm6, %%mm0 # Y even + Cblue 00 B6 00 B4 00 B2 00 B0 \n\
116 paddsw %%mm7, %%mm3 # Y odd + Cblue 00 B7 00 B5 00 B3 00 B1 \n\
117 paddsw %%mm6, %%mm1 # Y even + Cred 00 R6 00 R4 00 R2 00 R0 \n\
118 paddsw %%mm7, %%mm4 # Y odd + Cred 00 R7 00 R5 00 R3 00 R1 \n\
119 paddsw %%mm6, %%mm2 # Y even + Cgreen 00 G6 00 G4 00 G2 00 G0 \n\
120 paddsw %%mm7, %%mm5 # Y odd + Cgreen 00 G7 00 G5 00 G3 00 G1 \n\
122 # Limit RGB even to 0..255 \n\
123 packuswb %%mm0, %%mm0 # B6 B4 B2 B0 / B6 B4 B2 B0 \n\
124 packuswb %%mm1, %%mm1 # R6 R4 R2 R0 / R6 R4 R2 R0 \n\
125 packuswb %%mm2, %%mm2 # G6 G4 G2 G0 / G6 G4 G2 G0 \n\
127 # Limit RGB odd to 0..255 \n\
128 packuswb %%mm3, %%mm3 # B7 B5 B3 B1 / B7 B5 B3 B1 \n\
129 packuswb %%mm4, %%mm4 # R7 R5 R3 R1 / R7 R5 R3 R1 \n\
130 packuswb %%mm5, %%mm5 # G7 G5 G3 G1 / G7 G5 G3 G1 \n\
132 # Interleave RGB even and odd \n\
133 punpcklbw %%mm3, %%mm0 # B7 B6 B5 B4 B3 B2 B1 B0 \n\
134 punpcklbw %%mm4, %%mm1 # R7 R6 R5 R4 R3 R2 R1 R0 \n\
135 punpcklbw %%mm5, %%mm2 # G7 G6 G5 G4 G3 G2 G1 G0 \n\
139 * Grayscale case, only use Y
142 #define MMX_YUV_GRAY " \n\
143 # convert the luma part \n\
144 psubusb mmx_10w, %%mm6 \n\
145 movq %%mm6, %%mm7 \n\
146 pand mmx_00ffw, %%mm6 \n\
150 pmulhw mmx_Y_coeff, %%mm6 \n\
151 pmulhw mmx_Y_coeff, %%mm7 \n\
152 packuswb %%mm6, %%mm6 \n\
153 packuswb %%mm7, %%mm7 \n\
154 punpcklbw %%mm7, %%mm6 \n\
157 #define MMX_UNPACK_16_GRAY " \n\
158 movq %%mm6, %%mm5 \n\
159 pand mmx_redmask, %%mm6 \n\
160 pand mmx_grnmask, %%mm5 \n\
161 movq %%mm6, %%mm7 \n\
162 psrlw mmx_blueshift, %%mm7 \n\
163 pxor %%mm3, %%mm3 \n\
164 movq %%mm7, %%mm2 \n\
165 movq %%mm5, %%mm0 \n\
166 punpcklbw %%mm3, %%mm5 \n\
167 punpcklbw %%mm6, %%mm7 \n\
168 psllw mmx_blueshift, %%mm5 \n\
171 punpckhbw %%mm3, %%mm0 \n\
172 punpckhbw %%mm6, %%mm2 \n\
173 psllw mmx_blueshift, %%mm0 \n\
174 movq 8(%0), %%mm6 \n\
176 movq %%mm2, 8(%3) \n\
181 * convert RGB plane to RGB 16 bits,
182 * mm0 -> B, mm1 -> R, mm2 -> G,
183 * mm4 -> GB, mm5 -> AR pixel 4-7,
184 * mm6 -> GB, mm7 -> AR pixel 0-3
187 #define MMX_UNPACK_16 " \n\
188 # mask unneeded bits off \n\
189 pand mmx_redmask, %%mm0 # b7b6b5b4 b3______ b7b6b5b4 b3______ \n\
190 pand mmx_grnmask, %%mm2 # g7g6g5g4 g3g2____ g7g6g5g4 g3g2____ \n\
191 pand mmx_redmask, %%mm1 # r7r6r5r4 r3______ r7r6r5r4 r3______ \n\
192 psrlw mmx_blueshift,%%mm0 # ______b7 b6b5b4b3 ______b7 b6b5b4b3 \n\
193 pxor %%mm4, %%mm4 # zero mm4 \n\
194 movq %%mm0, %%mm5 # Copy B7-B0 \n\
195 movq %%mm2, %%mm7 # Copy G7-G0 \n\
197 # convert rgb24 plane to rgb16 pack for pixel 0-3 \n\
198 punpcklbw %%mm4, %%mm2 # ________ ________ g7g6g5g4 g3g2____ \n\
199 punpcklbw %%mm1, %%mm0 # r7r6r5r4 r3______ ______b7 b6b5b4b3 \n\
200 psllw mmx_blueshift,%%mm2 # ________ __g7g6g5 g4g3g2__ ________ \n\
201 por %%mm2, %%mm0 # r7r6r5r4 r3g7g6g5 g4g3g2b7 b6b5b4b3 \n\
202 movq 8(%0), %%mm6 # Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 \n\
203 movq %%mm0, (%3) # store pixel 0-3 \n\
205 # convert rgb24 plane to rgb16 pack for pixel 0-3 \n\
206 punpckhbw %%mm4, %%mm7 # ________ ________ g7g6g5g4 g3g2____ \n\
207 punpckhbw %%mm1, %%mm5 # r7r6r5r4 r3______ ______b7 b6b5b4b3 \n\
208 psllw mmx_blueshift,%%mm7 # ________ __g7g6g5 g4g3g2__ ________ \n\
209 movd 4(%1), %%mm0 # Load 4 Cb __ __ __ __ u3 u2 u1 u0 \n\
210 por %%mm7, %%mm5 # r7r6r5r4 r3g7g6g5 g4g3g2b7 b6b5b4b3 \n\
211 movd 4(%2), %%mm1 # Load 4 Cr __ __ __ __ v3 v2 v1 v0 \n\
212 movq %%mm5, 8(%3) # store pixel 4-7 \n\
216 * convert RGB plane to RGB packed format,
217 * mm0 -> B, mm1 -> R, mm2 -> G, mm3 -> 0,
218 * mm4 -> GB, mm5 -> AR pixel 4-7,
219 * mm6 -> GB, mm7 -> AR pixel 0-3
222 #define MMX_UNPACK_32 " \n\
223 pxor %%mm3, %%mm3 # zero mm3 \n\
224 movq %%mm0, %%mm6 # B7 B6 B5 B4 B3 B2 B1 B0 \n\
225 movq %%mm1, %%mm7 # R7 R6 R5 R4 R3 R2 R1 R0 \n\
226 movq %%mm0, %%mm4 # B7 B6 B5 B4 B3 B2 B1 B0 \n\
227 movq %%mm1, %%mm5 # R7 R6 R5 R4 R3 R2 R1 R0 \n\
228 punpcklbw %%mm2, %%mm6 # G3 B3 G2 B2 G1 B1 G0 B0 \n\
229 punpcklbw %%mm3, %%mm7 # 00 R3 00 R2 00 R1 00 R0 \n\
230 punpcklwd %%mm7, %%mm6 # 00 R1 B1 G1 00 R0 B0 G0 \n\
231 movq %%mm6, (%3) # Store ARGB1 ARGB0 \n\
232 movq %%mm0, %%mm6 # B7 B6 B5 B4 B3 B2 B1 B0 \n\
233 punpcklbw %%mm2, %%mm6 # G3 B3 G2 B2 G1 B1 G0 B0 \n\
234 punpckhwd %%mm7, %%mm6 # 00 R3 G3 B3 00 R2 B3 G2 \n\
235 movq %%mm6, 8(%3) # Store ARGB3 ARGB2 \n\
236 punpckhbw %%mm2, %%mm4 # G7 B7 G6 B6 G5 B5 G4 B4 \n\
237 punpckhbw %%mm3, %%mm5 # 00 R7 00 R6 00 R5 00 R4 \n\
238 punpcklwd %%mm5, %%mm4 # 00 R5 B5 G5 00 R4 B4 G4 \n\
239 movq %%mm4, 16(%3) # Store ARGB5 ARGB4 \n\
240 movq %%mm0, %%mm4 # B7 B6 B5 B4 B3 B2 B1 B0 \n\
241 punpckhbw %%mm2, %%mm4 # G7 B7 G6 B6 G5 B5 G4 B4 \n\
242 punpckhwd %%mm5, %%mm4 # 00 R7 G7 B7 00 R6 B6 G6 \n\
243 movq %%mm4, 24(%3) # Store ARGB7 ARGB6 \n\
245 #movd 4(%1), %%mm0 # Load 4 Cb 00 00 00 00 u3 u2 u1 u0 \n\
246 #movd 4(%2), %%mm1 # Load 4 Cr 00 00 00 00 v3 v2 v1 v0 \n\
247 #pxor %%mm4, %%mm4 # zero mm4 \n\
248 #movq 8(%0), %%mm6 # Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 \n\