1 /*****************************************************************************
2 * transforms_yuvmmx.h: MMX YUV transformation assembly
3 *****************************************************************************
4 * Copyright (C) 1999, 2000 VideoLAN
5 * $Id: i420_rgb_mmx.h,v 1.2 2002/08/08 00:35:11 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 library is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Library General Public
13 * License as published by the Free Software Foundation; either
14 * version 2 of the License, or (at your option) any later version.
16 * This library 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 * Library General Public License for more details.
21 * You should have received a copy of the GNU Library General Public
22 * License along with this library; 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_U64(foo) \
29 static const u64 foo __asm__ (#foo) __attribute__((unused))
30 UNUSED_U64(mmx_80w) = 0x0080008000800080;
31 UNUSED_U64(mmx_10w) = 0x1010101010101010;
32 UNUSED_U64(mmx_00ffw) = 0x00ff00ff00ff00ff;
33 UNUSED_U64(mmx_Y_coeff) = 0x253f253f253f253f;
35 UNUSED_U64(mmx_U_green) = 0xf37df37df37df37d;
36 UNUSED_U64(mmx_U_blue) = 0x4093409340934093;
37 UNUSED_U64(mmx_V_red) = 0x3312331233123312;
38 UNUSED_U64(mmx_V_green) = 0xe5fce5fce5fce5fc;
40 UNUSED_U64(mmx_mask_f8) = 0xf8f8f8f8f8f8f8f8;
41 UNUSED_U64(mmx_mask_fc) = 0xfcfcfcfcfcfcfcfc;
44 #define MMX_INIT_16 " \n\
45 movd (%1), %%mm0 # Load 4 Cb 00 00 00 00 u3 u2 u1 u0 \n\
46 movd (%2), %%mm1 # Load 4 Cr 00 00 00 00 v3 v2 v1 v0 \n\
47 pxor %%mm4, %%mm4 # zero mm4 \n\
48 movq (%0), %%mm6 # Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 \n\
49 #movl $0, (%3) # cache preload for image \n\
52 #define MMX_INIT_16_GRAY " \n\
53 movq (%0), %%mm6 # Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 \n\
54 #movl $0, (%3) # cache preload for image \n\
57 #define MMX_INIT_32 " \n\
58 movd (%1), %%mm0 # Load 4 Cb 00 00 00 00 u3 u2 u1 u0 \n\
59 movl $0, (%3) # cache preload for image \n\
60 movd (%2), %%mm1 # Load 4 Cr 00 00 00 00 v3 v2 v1 v0 \n\
61 pxor %%mm4, %%mm4 # zero mm4 \n\
62 movq (%0), %%mm6 # Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 \n\
66 * Do the multiply part of the conversion for even and odd pixels,
68 * mm0 -> Cblue, mm1 -> Cred, mm2 -> Cgreen even pixels,
69 * mm3 -> Cblue, mm4 -> Cred, mm5 -> Cgreen odd pixels,
70 * mm6 -> Y even, mm7 -> Y odd
73 #define MMX_YUV_MUL " \n\
74 # convert the chroma part \n\
75 punpcklbw %%mm4, %%mm0 # scatter 4 Cb 00 u3 00 u2 00 u1 00 u0 \n\
76 punpcklbw %%mm4, %%mm1 # scatter 4 Cr 00 v3 00 v2 00 v1 00 v0 \n\
77 psubsw mmx_80w, %%mm0 # Cb -= 128 \n\
78 psubsw mmx_80w, %%mm1 # Cr -= 128 \n\
79 psllw $3, %%mm0 # Promote precision \n\
80 psllw $3, %%mm1 # Promote precision \n\
81 movq %%mm0, %%mm2 # Copy 4 Cb 00 u3 00 u2 00 u1 00 u0 \n\
82 movq %%mm1, %%mm3 # Copy 4 Cr 00 v3 00 v2 00 v1 00 v0 \n\
83 pmulhw mmx_U_green, %%mm2 # Mul Cb with green coeff -> Cb green \n\
84 pmulhw mmx_V_green, %%mm3 # Mul Cr with green coeff -> Cr green \n\
85 pmulhw mmx_U_blue, %%mm0 # Mul Cb -> Cblue 00 b3 00 b2 00 b1 00 b0 \n\
86 pmulhw mmx_V_red, %%mm1 # Mul Cr -> Cred 00 r3 00 r2 00 r1 00 r0 \n\
87 paddsw %%mm3, %%mm2 # Cb green + Cr green -> Cgreen \n\
89 # convert the luma part \n\
90 psubusb mmx_10w, %%mm6 # Y -= 16 \n\
91 movq %%mm6, %%mm7 # Copy 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 \n\
92 pand mmx_00ffw, %%mm6 # get Y even 00 Y6 00 Y4 00 Y2 00 Y0 \n\
93 psrlw $8, %%mm7 # get Y odd 00 Y7 00 Y5 00 Y3 00 Y1 \n\
94 psllw $3, %%mm6 # Promote precision \n\
95 psllw $3, %%mm7 # Promote precision \n\
96 pmulhw mmx_Y_coeff, %%mm6 # Mul 4 Y even 00 y6 00 y4 00 y2 00 y0 \n\
97 pmulhw mmx_Y_coeff, %%mm7 # Mul 4 Y odd 00 y7 00 y5 00 y3 00 y1 \n\
101 * Do the addition part of the conversion for even and odd pixels,
103 * mm0 -> Cblue, mm1 -> Cred, mm2 -> Cgreen even pixels,
104 * mm3 -> Cblue, mm4 -> Cred, mm5 -> Cgreen odd pixels,
105 * mm6 -> Y even, mm7 -> Y odd
108 #define MMX_YUV_ADD " \n\
109 # Do horizontal and vertical scaling \n\
110 movq %%mm0, %%mm3 # Copy Cblue \n\
111 movq %%mm1, %%mm4 # Copy Cred \n\
112 movq %%mm2, %%mm5 # Copy Cgreen \n\
113 paddsw %%mm6, %%mm0 # Y even + Cblue 00 B6 00 B4 00 B2 00 B0 \n\
114 paddsw %%mm7, %%mm3 # Y odd + Cblue 00 B7 00 B5 00 B3 00 B1 \n\
115 paddsw %%mm6, %%mm1 # Y even + Cred 00 R6 00 R4 00 R2 00 R0 \n\
116 paddsw %%mm7, %%mm4 # Y odd + Cred 00 R7 00 R5 00 R3 00 R1 \n\
117 paddsw %%mm6, %%mm2 # Y even + Cgreen 00 G6 00 G4 00 G2 00 G0 \n\
118 paddsw %%mm7, %%mm5 # Y odd + Cgreen 00 G7 00 G5 00 G3 00 G1 \n\
120 # Limit RGB even to 0..255 \n\
121 packuswb %%mm0, %%mm0 # B6 B4 B2 B0 / B6 B4 B2 B0 \n\
122 packuswb %%mm1, %%mm1 # R6 R4 R2 R0 / R6 R4 R2 R0 \n\
123 packuswb %%mm2, %%mm2 # G6 G4 G2 G0 / G6 G4 G2 G0 \n\
125 # Limit RGB odd to 0..255 \n\
126 packuswb %%mm3, %%mm3 # B7 B5 B3 B1 / B7 B5 B3 B1 \n\
127 packuswb %%mm4, %%mm4 # R7 R5 R3 R1 / R7 R5 R3 R1 \n\
128 packuswb %%mm5, %%mm5 # G7 G5 G3 G1 / G7 G5 G3 G1 \n\
130 # Interleave RGB even and odd \n\
131 punpcklbw %%mm3, %%mm0 # B7 B6 B5 B4 B3 B2 B1 B0 \n\
132 punpcklbw %%mm4, %%mm1 # R7 R6 R5 R4 R3 R2 R1 R0 \n\
133 punpcklbw %%mm5, %%mm2 # G7 G6 G5 G4 G3 G2 G1 G0 \n\
137 * Grayscale case, only use Y
140 #define MMX_YUV_GRAY " \n\
141 # convert the luma part \n\
142 psubusb mmx_10w, %%mm6 \n\
143 movq %%mm6, %%mm7 \n\
144 pand mmx_00ffw, %%mm6 \n\
148 pmulhw mmx_Y_coeff, %%mm6 \n\
149 pmulhw mmx_Y_coeff, %%mm7 \n\
150 packuswb %%mm6, %%mm6 \n\
151 packuswb %%mm7, %%mm7 \n\
152 punpcklbw %%mm7, %%mm6 \n\
155 #define MMX_UNPACK_16_GRAY " \n\
156 movq %%mm6, %%mm5 \n\
157 pand mmx_mask_f8, %%mm6 \n\
158 pand mmx_mask_fc, %%mm5 \n\
159 movq %%mm6, %%mm7 \n\
161 pxor %%mm3, %%mm3 \n\
162 movq %%mm7, %%mm2 \n\
163 movq %%mm5, %%mm0 \n\
164 punpcklbw %%mm3, %%mm5 \n\
165 punpcklbw %%mm6, %%mm7 \n\
169 punpckhbw %%mm3, %%mm0 \n\
170 punpckhbw %%mm6, %%mm2 \n\
172 movq 8(%0), %%mm6 \n\
174 movq %%mm2, 8(%3) \n\
179 * convert RGB plane to RGB 15 bits,
180 * mm0 -> B, mm1 -> R, mm2 -> G,
181 * mm4 -> GB, mm5 -> AR pixel 4-7,
182 * mm6 -> GB, mm7 -> AR pixel 0-3
185 #define MMX_UNPACK_15 " \n\
186 # mask unneeded bits off \n\
187 pand mmx_mask_f8, %%mm0 # b7b6b5b4 b3______ b7b6b5b4 b3______ \n\
188 psrlw $3,%%mm0 # ______b7 b6b5b4b3 ______b7 b6b5b4b3 \n\
189 pand mmx_mask_f8, %%mm2 # g7g6g5g4 g3______ g7g6g5g4 g3______ \n\
190 pand mmx_mask_f8, %%mm1 # r7r6r5r4 r3______ r7r6r5r4 r3______ \n\
191 psrlw $1,%%mm1 # __r7r6r5 r4r3____ __r7r6r5 r4r3____ \n\
192 pxor %%mm4, %%mm4 # zero mm4 \n\
193 movq %%mm0, %%mm5 # Copy B7-B0 \n\
194 movq %%mm2, %%mm7 # Copy G7-G0 \n\
196 # convert rgb24 plane to rgb15 pack for pixel 0-3 \n\
197 punpcklbw %%mm4, %%mm2 # ________ ________ g7g6g5g4 g3______ \n\
198 punpcklbw %%mm1, %%mm0 # r7r6r5r4 r3______ ______b7 b6b5b4b3 \n\
199 psllw $2,%%mm2 # ________ ____g7g6 g5g4g3__ ________ \n\
200 por %%mm2, %%mm0 # r7r6r5r4 r3__g7g6 g5g4g3b7 b6b5b4b3 \n\
201 movq 8(%0), %%mm6 # Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 \n\
202 movq %%mm0, (%3) # store pixel 0-3 \n\
204 # convert rgb24 plane to rgb16 pack for pixel 0-3 \n\
205 punpckhbw %%mm4, %%mm7 # ________ ________ g7g6g5g4 g3______ \n\
206 punpckhbw %%mm1, %%mm5 # r7r6r5r4 r3______ ______b7 b6b5b4b3 \n\
207 psllw $2,%%mm7 # ________ ____g7g6 g5g4g3__ ________ \n\
208 movd 4(%1), %%mm0 # Load 4 Cb __ __ __ __ u3 u2 u1 u0 \n\
209 por %%mm7, %%mm5 # r7r6r5r4 r3__g7g6 g5g4g3b7 b6b5b4b3 \n\
210 movd 4(%2), %%mm1 # Load 4 Cr __ __ __ __ v3 v2 v1 v0 \n\
211 movq %%mm5, 8(%3) # store pixel 4-7 \n\
215 * convert RGB plane to RGB 16 bits,
216 * mm0 -> B, mm1 -> R, mm2 -> G,
217 * mm4 -> GB, mm5 -> AR pixel 4-7,
218 * mm6 -> GB, mm7 -> AR pixel 0-3
221 #define MMX_UNPACK_16 " \n\
222 # mask unneeded bits off \n\
223 pand mmx_mask_f8, %%mm0 # b7b6b5b4 b3______ b7b6b5b4 b3______ \n\
224 pand mmx_mask_fc, %%mm2 # g7g6g5g4 g3g2____ g7g6g5g4 g3g2____ \n\
225 pand mmx_mask_f8, %%mm1 # r7r6r5r4 r3______ r7r6r5r4 r3______ \n\
226 psrlw $3,%%mm0 # ______b7 b6b5b4b3 ______b7 b6b5b4b3 \n\
227 pxor %%mm4, %%mm4 # zero mm4 \n\
228 movq %%mm0, %%mm5 # Copy B7-B0 \n\
229 movq %%mm2, %%mm7 # Copy G7-G0 \n\
231 # convert rgb24 plane to rgb16 pack for pixel 0-3 \n\
232 punpcklbw %%mm4, %%mm2 # ________ ________ g7g6g5g4 g3g2____ \n\
233 punpcklbw %%mm1, %%mm0 # r7r6r5r4 r3______ ______b7 b6b5b4b3 \n\
234 psllw $3,%%mm2 # ________ __g7g6g5 g4g3g2__ ________ \n\
235 por %%mm2, %%mm0 # r7r6r5r4 r3g7g6g5 g4g3g2b7 b6b5b4b3 \n\
236 movq 8(%0), %%mm6 # Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 \n\
237 movq %%mm0, (%3) # store pixel 0-3 \n\
239 # convert rgb24 plane to rgb16 pack for pixel 0-3 \n\
240 punpckhbw %%mm4, %%mm7 # ________ ________ g7g6g5g4 g3g2____ \n\
241 punpckhbw %%mm1, %%mm5 # r7r6r5r4 r3______ ______b7 b6b5b4b3 \n\
242 psllw $3,%%mm7 # ________ __g7g6g5 g4g3g2__ ________ \n\
243 movd 4(%1), %%mm0 # Load 4 Cb __ __ __ __ u3 u2 u1 u0 \n\
244 por %%mm7, %%mm5 # r7r6r5r4 r3g7g6g5 g4g3g2b7 b6b5b4b3 \n\
245 movd 4(%2), %%mm1 # Load 4 Cr __ __ __ __ v3 v2 v1 v0 \n\
246 movq %%mm5, 8(%3) # store pixel 4-7 \n\
250 * convert RGB plane to RGB packed format,
251 * mm0 -> B, mm1 -> R, mm2 -> G, mm3 -> 0,
252 * mm4 -> GB, mm5 -> AR pixel 4-7,
253 * mm6 -> GB, mm7 -> AR pixel 0-3
256 #define MMX_UNPACK_32 " \n\
257 pxor %%mm3, %%mm3 # zero mm3 \n\
258 movq %%mm0, %%mm6 # B7 B6 B5 B4 B3 B2 B1 B0 \n\
259 movq %%mm1, %%mm7 # R7 R6 R5 R4 R3 R2 R1 R0 \n\
260 movq %%mm0, %%mm4 # B7 B6 B5 B4 B3 B2 B1 B0 \n\
261 movq %%mm1, %%mm5 # R7 R6 R5 R4 R3 R2 R1 R0 \n\
262 punpcklbw %%mm2, %%mm6 # G3 B3 G2 B2 G1 B1 G0 B0 \n\
263 punpcklbw %%mm3, %%mm7 # 00 R3 00 R2 00 R1 00 R0 \n\
264 punpcklwd %%mm7, %%mm6 # 00 R1 B1 G1 00 R0 B0 G0 \n\
265 movq %%mm6, (%3) # Store ARGB1 ARGB0 \n\
266 movq %%mm0, %%mm6 # B7 B6 B5 B4 B3 B2 B1 B0 \n\
267 punpcklbw %%mm2, %%mm6 # G3 B3 G2 B2 G1 B1 G0 B0 \n\
268 punpckhwd %%mm7, %%mm6 # 00 R3 G3 B3 00 R2 B3 G2 \n\
269 movq %%mm6, 8(%3) # Store ARGB3 ARGB2 \n\
270 punpckhbw %%mm2, %%mm4 # G7 B7 G6 B6 G5 B5 G4 B4 \n\
271 punpckhbw %%mm3, %%mm5 # 00 R7 00 R6 00 R5 00 R4 \n\
272 punpcklwd %%mm5, %%mm4 # 00 R5 B5 G5 00 R4 B4 G4 \n\
273 movq %%mm4, 16(%3) # Store ARGB5 ARGB4 \n\
274 movq %%mm0, %%mm4 # B7 B6 B5 B4 B3 B2 B1 B0 \n\
275 punpckhbw %%mm2, %%mm4 # G7 B7 G6 B6 G5 B5 G4 B4 \n\
276 punpckhwd %%mm5, %%mm4 # 00 R7 G7 B7 00 R6 B6 G6 \n\
277 movq %%mm4, 24(%3) # Store ARGB7 ARGB6 \n\
279 #movd 4(%1), %%mm0 # Load 4 Cb 00 00 00 00 u3 u2 u1 u0 \n\
280 #movd 4(%2), %%mm1 # Load 4 Cr 00 00 00 00 v3 v2 v1 v0 \n\
281 #pxor %%mm4, %%mm4 # zero mm4 \n\
282 #movq 8(%0), %%mm6 # Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 \n\