Create swscale subdirs for out-of-tree builds.
[libav.git] / libswscale / sparc / yuv2rgb_vis.c
1 /*
2 * VIS optimized software YUV to RGB converter
3 * Copyright (c) 2007 Denes Balatoni <dbalatoni@programozo.hu>
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22 #include <inttypes.h>
23 #include <stdlib.h>
24
25 #include "libswscale/swscale.h"
26 #include "libswscale/swscale_internal.h"
27
28 #define YUV2RGB_INIT \
29 "wr %%g0, 0x10, %%gsr \n\t" \
30 "ldd [%5], %%f32 \n\t" \
31 "ldd [%5+8], %%f34 \n\t" \
32 "ldd [%5+16], %%f36 \n\t" \
33 "ldd [%5+24], %%f38 \n\t" \
34 "ldd [%5+32], %%f40 \n\t" \
35 "ldd [%5+40], %%f42 \n\t" \
36 "ldd [%5+48], %%f44 \n\t" \
37 "ldd [%5+56], %%f46 \n\t" \
38 "ldd [%5+64], %%f48 \n\t" \
39 "ldd [%5+72], %%f50 \n\t"
40
41 #define YUV2RGB_KERNEL \
42 /* ^^^^ f0=Y f3=u f5=v */ \
43 "fmul8x16 %%f3, %%f48, %%f6 \n\t" \
44 "fmul8x16 %%f19, %%f48, %%f22 \n\t" \
45 "fmul8x16 %%f5, %%f44, %%f8 \n\t" \
46 "fmul8x16 %%f21, %%f44, %%f24 \n\t" \
47 "fmul8x16 %%f0, %%f42, %%f0 \n\t" \
48 "fmul8x16 %%f16, %%f42, %%f16 \n\t" \
49 "fmul8x16 %%f3, %%f50, %%f2 \n\t" \
50 "fmul8x16 %%f19, %%f50, %%f18 \n\t" \
51 "fmul8x16 %%f5, %%f46, %%f4 \n\t" \
52 "fmul8x16 %%f21, %%f46, %%f20 \n\t" \
53 \
54 "fpsub16 %%f6, %%f34, %%f6 \n\t" /* 1 */ \
55 "fpsub16 %%f22, %%f34, %%f22 \n\t" /* 1 */ \
56 "fpsub16 %%f8, %%f38, %%f8 \n\t" /* 3 */ \
57 "fpsub16 %%f24, %%f38, %%f24 \n\t" /* 3 */ \
58 "fpsub16 %%f0, %%f32, %%f0 \n\t" /* 0 */ \
59 "fpsub16 %%f16, %%f32, %%f16 \n\t" /* 0 */ \
60 "fpsub16 %%f2, %%f36, %%f2 \n\t" /* 2 */ \
61 "fpsub16 %%f18, %%f36, %%f18 \n\t" /* 2 */ \
62 "fpsub16 %%f4, %%f40, %%f4 \n\t" /* 4 */ \
63 "fpsub16 %%f20, %%f40, %%f20 \n\t" /* 4 */ \
64 \
65 "fpadd16 %%f0, %%f8, %%f8 \n\t" /* Gt */ \
66 "fpadd16 %%f16, %%f24, %%f24 \n\t" /* Gt */ \
67 "fpadd16 %%f0, %%f4, %%f4 \n\t" /* R */ \
68 "fpadd16 %%f16, %%f20, %%f20 \n\t" /* R */ \
69 "fpadd16 %%f0, %%f6, %%f6 \n\t" /* B */ \
70 "fpadd16 %%f16, %%f22, %%f22 \n\t" /* B */ \
71 "fpadd16 %%f8, %%f2, %%f2 \n\t" /* G */ \
72 "fpadd16 %%f24, %%f18, %%f18 \n\t" /* G */ \
73 \
74 "fpack16 %%f4, %%f4 \n\t" \
75 "fpack16 %%f20, %%f20 \n\t" \
76 "fpack16 %%f6, %%f6 \n\t" \
77 "fpack16 %%f22, %%f22 \n\t" \
78 "fpack16 %%f2, %%f2 \n\t" \
79 "fpack16 %%f18, %%f18 \n\t"
80
81
82
83 // FIXME: must be changed to set alpha to 255 instead of 0
84 static int vis_420P_ARGB32(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
85 int srcSliceH, uint8_t* dst[], int dstStride[]){
86 int y, out1, out2, out3, out4, out5, out6;
87
88 for(y=0;y < srcSliceH;++y) {
89 __asm__ volatile (
90 YUV2RGB_INIT
91 "wr %%g0, 0xd2, %%asi \n\t" /* ASI_FL16_P */
92 "1: \n\t"
93 "ldda [%1] %%asi, %%f2 \n\t"
94 "ldda [%1+2] %%asi, %%f18 \n\t"
95 "ldda [%2] %%asi, %%f4 \n\t"
96 "ldda [%2+2] %%asi, %%f20 \n\t"
97 "ld [%0], %%f0 \n\t"
98 "ld [%0+4], %%f16 \n\t"
99 "fpmerge %%f3, %%f3, %%f2 \n\t"
100 "fpmerge %%f19, %%f19, %%f18 \n\t"
101 "fpmerge %%f5, %%f5, %%f4 \n\t"
102 "fpmerge %%f21, %%f21, %%f20 \n\t"
103 YUV2RGB_KERNEL
104 "fzero %%f0 \n\t"
105 "fpmerge %%f4, %%f6, %%f8 \n\t" // r,b,t1
106 "fpmerge %%f20, %%f22, %%f24 \n\t" // r,b,t1
107 "fpmerge %%f0, %%f2, %%f10 \n\t" // 0,g,t2
108 "fpmerge %%f0, %%f18, %%f26 \n\t" // 0,g,t2
109 "fpmerge %%f10, %%f8, %%f4 \n\t" // t2,t1,msb
110 "fpmerge %%f26, %%f24, %%f20 \n\t" // t2,t1,msb
111 "fpmerge %%f11, %%f9, %%f6 \n\t" // t2,t1,lsb
112 "fpmerge %%f27, %%f25, %%f22 \n\t" // t2,t1,lsb
113 "std %%f4, [%3] \n\t"
114 "std %%f20, [%3+16] \n\t"
115 "std %%f6, [%3+8] \n\t"
116 "std %%f22, [%3+24] \n\t"
117
118 "add %0, 8, %0 \n\t"
119 "add %1, 4, %1 \n\t"
120 "add %2, 4, %2 \n\t"
121 "subcc %4, 8, %4 \n\t"
122 "bne 1b \n\t"
123 "add %3, 32, %3 \n\t" //delay slot
124 : "=r" (out1), "=r" (out2), "=r" (out3), "=r" (out4), "=r" (out5), "=r" (out6)
125 : "0" (src[0]+(y+srcSliceY)*srcStride[0]), "1" (src[1]+((y+srcSliceY)>>1)*srcStride[1]),
126 "2" (src[2]+((y+srcSliceY)>>1)*srcStride[2]), "3" (dst[0]+(y+srcSliceY)*dstStride[0]),
127 "4" (c->dstW),
128 "5" (c->sparc_coeffs)
129 );
130 }
131
132 return srcSliceH;
133 }
134
135 // FIXME: must be changed to set alpha to 255 instead of 0
136 static int vis_422P_ARGB32(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
137 int srcSliceH, uint8_t* dst[], int dstStride[]){
138 int y, out1, out2, out3, out4, out5, out6;
139
140 for(y=0;y < srcSliceH;++y) {
141 __asm__ volatile (
142 YUV2RGB_INIT
143 "wr %%g0, 0xd2, %%asi \n\t" /* ASI_FL16_P */
144 "1: \n\t"
145 "ldda [%1] %%asi, %%f2 \n\t"
146 "ldda [%1+2] %%asi, %%f18 \n\t"
147 "ldda [%2] %%asi, %%f4 \n\t"
148 "ldda [%2+2] %%asi, %%f20 \n\t"
149 "ld [%0], %%f0 \n\t"
150 "ld [%0+4], %%f16 \n\t"
151 "fpmerge %%f3, %%f3, %%f2 \n\t"
152 "fpmerge %%f19, %%f19, %%f18 \n\t"
153 "fpmerge %%f5, %%f5, %%f4 \n\t"
154 "fpmerge %%f21, %%f21, %%f20 \n\t"
155 YUV2RGB_KERNEL
156 "fzero %%f0 \n\t"
157 "fpmerge %%f4, %%f6, %%f8 \n\t" // r,b,t1
158 "fpmerge %%f20, %%f22, %%f24 \n\t" // r,b,t1
159 "fpmerge %%f0, %%f2, %%f10 \n\t" // 0,g,t2
160 "fpmerge %%f0, %%f18, %%f26 \n\t" // 0,g,t2
161 "fpmerge %%f10, %%f8, %%f4 \n\t" // t2,t1,msb
162 "fpmerge %%f26, %%f24, %%f20 \n\t" // t2,t1,msb
163 "fpmerge %%f11, %%f9, %%f6 \n\t" // t2,t1,lsb
164 "fpmerge %%f27, %%f25, %%f22 \n\t" // t2,t1,lsb
165 "std %%f4, [%3] \n\t"
166 "std %%f20, [%3+16] \n\t"
167 "std %%f6, [%3+8] \n\t"
168 "std %%f22, [%3+24] \n\t"
169
170 "add %0, 8, %0 \n\t"
171 "add %1, 4, %1 \n\t"
172 "add %2, 4, %2 \n\t"
173 "subcc %4, 8, %4 \n\t"
174 "bne 1b \n\t"
175 "add %3, 32, %3 \n\t" //delay slot
176 : "=r" (out1), "=r" (out2), "=r" (out3), "=r" (out4), "=r" (out5), "=r" (out6)
177 : "0" (src[0]+(y+srcSliceY)*srcStride[0]), "1" (src[1]+(y+srcSliceY)*srcStride[1]),
178 "2" (src[2]+(y+srcSliceY)*srcStride[2]), "3" (dst[0]+(y+srcSliceY)*dstStride[0]),
179 "4" (c->dstW),
180 "5" (c->sparc_coeffs)
181 );
182 }
183
184 return srcSliceH;
185 }
186
187 SwsFunc ff_yuv2rgb_init_vis(SwsContext *c){
188 c->sparc_coeffs[5]=c->yCoeff;
189 c->sparc_coeffs[6]=c->vgCoeff;
190 c->sparc_coeffs[7]=c->vrCoeff;
191 c->sparc_coeffs[8]=c->ubCoeff;
192 c->sparc_coeffs[9]=c->ugCoeff;
193
194 c->sparc_coeffs[0]=(((int16_t)c->yOffset*(int16_t)c->yCoeff >>11) & 0xffff) * 0x0001000100010001ULL;
195 c->sparc_coeffs[1]=(((int16_t)c->uOffset*(int16_t)c->ubCoeff>>11) & 0xffff) * 0x0001000100010001ULL;
196 c->sparc_coeffs[2]=(((int16_t)c->uOffset*(int16_t)c->ugCoeff>>11) & 0xffff) * 0x0001000100010001ULL;
197 c->sparc_coeffs[3]=(((int16_t)c->vOffset*(int16_t)c->vgCoeff>>11) & 0xffff) * 0x0001000100010001ULL;
198 c->sparc_coeffs[4]=(((int16_t)c->vOffset*(int16_t)c->vrCoeff>>11) & 0xffff) * 0x0001000100010001ULL;
199
200 if (c->dstFormat == PIX_FMT_RGB32 && c->srcFormat == PIX_FMT_YUV422P && (c->dstW & 7)==0) {
201 av_log(c, AV_LOG_INFO, "SPARC VIS accelerated YUV422P -> RGB32 (WARNING: alpha value is wrong)\n");
202 return vis_422P_ARGB32;
203 }
204 else if (c->dstFormat == PIX_FMT_RGB32 && c->srcFormat == PIX_FMT_YUV420P && (c->dstW & 7)==0) {
205 av_log(c, AV_LOG_INFO, "SPARC VIS accelerated YUV420P -> RGB32 (WARNING: alpha value is wrong)\n");
206 return vis_420P_ARGB32;
207 }
208 return NULL;
209 }