1 /*
2 * Copyright 2011 Maarten Lankhorst
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 */
22
23 #include "vl/vl_decoder.h"
24 #include "vl/vl_video_buffer.h"
25
26 #include "nouveau_screen.h"
27 #include "nouveau_context.h"
28 #include "nouveau_video.h"
29
30 #include "nouveau_buffer.h"
31 #include "util/u_video.h"
32 #include "util/u_format.h"
33 #include "util/u_sampler.h"
34
35 static int
nouveau_vpe_init(struct nouveau_decoder * dec)36 nouveau_vpe_init(struct nouveau_decoder *dec) {
37 int ret;
38 if (dec->cmds)
39 return 0;
40 ret = nouveau_bo_map(dec->cmd_bo, NOUVEAU_BO_RDWR, dec->client);
41 if (ret) {
42 debug_printf("Mapping cmd bo: %s\n", strerror(-ret));
43 return ret;
44 }
45 ret = nouveau_bo_map(dec->data_bo, NOUVEAU_BO_RDWR, dec->client);
46 if (ret) {
47 debug_printf("Mapping data bo: %s\n", strerror(-ret));
48 return ret;
49 }
50 dec->cmds = dec->cmd_bo->map;
51 dec->data = dec->data_bo->map;
52 return ret;
53 }
54
55 static void
nouveau_vpe_synch(struct nouveau_decoder * dec)56 nouveau_vpe_synch(struct nouveau_decoder *dec) {
57 struct nouveau_pushbuf *push = dec->push;
58 #if 0
59 if (dec->fence_map) {
60 BEGIN_NV04(push, NV84_MPEG(QUERY_COUNTER), 1);
61 PUSH_DATA (push, ++dec->fence_seq);
62 PUSH_KICK (push);
63 while (dec->fence_map[0] != dec->fence_seq)
64 usleep(1000);
65 } else
66 #endif
67 PUSH_KICK(push);
68 }
69
70 static void
nouveau_vpe_fini(struct nouveau_decoder * dec)71 nouveau_vpe_fini(struct nouveau_decoder *dec) {
72 struct nouveau_pushbuf *push = dec->push;
73 if (!dec->cmds)
74 return;
75
76 nouveau_pushbuf_space(push, 16, 2, 0);
77 nouveau_bufctx_reset(dec->bufctx, NV31_VIDEO_BIND_CMD);
78
79 #define BCTX_ARGS dec->bufctx, NV31_VIDEO_BIND_CMD, NOUVEAU_BO_RD
80
81 BEGIN_NV04(push, NV31_MPEG(CMD_OFFSET), 2);
82 PUSH_MTHDl(push, NV31_MPEG(CMD_OFFSET), dec->cmd_bo, 0, BCTX_ARGS);
83 PUSH_DATA (push, dec->ofs * 4);
84
85 BEGIN_NV04(push, NV31_MPEG(DATA_OFFSET), 2);
86 PUSH_MTHDl(push, NV31_MPEG(DATA_OFFSET), dec->data_bo, 0, BCTX_ARGS);
87 PUSH_DATA (push, dec->data_pos * 4);
88
89 #undef BCTX_ARGS
90
91 if (unlikely(nouveau_pushbuf_validate(dec->push)))
92 return;
93
94 BEGIN_NV04(push, NV31_MPEG(EXEC), 1);
95 PUSH_DATA (push, 1);
96
97 nouveau_vpe_synch(dec);
98 dec->ofs = dec->data_pos = dec->num_surfaces = 0;
99 dec->cmds = dec->data = NULL;
100 dec->current = dec->future = dec->past = 8;
101 }
102
103 static inline void
nouveau_vpe_mb_dct_blocks(struct nouveau_decoder * dec,const struct pipe_mpeg12_macroblock * mb)104 nouveau_vpe_mb_dct_blocks(struct nouveau_decoder *dec, const struct pipe_mpeg12_macroblock *mb)
105 {
106 int cbb;
107 unsigned cbp = mb->coded_block_pattern;
108 short *db = mb->blocks;
109 for (cbb = 0x20; cbb > 0; cbb >>= 1) {
110 if (cbb & cbp) {
111 int i, found = 0;
112 for (i = 0; i < 64; ++i) {
113 if (!db[i]) continue;
114 dec->data[dec->data_pos++] = (db[i] << 16) | (i * 2);
115 found = 1;
116 }
117 if (found)
118 dec->data[dec->data_pos - 1] |= 1;
119 else
120 dec->data[dec->data_pos++] = 1;
121 db += 64;
122 } else if (mb->macroblock_type & PIPE_MPEG12_MB_TYPE_INTRA) {
123 dec->data[dec->data_pos++] = 1;
124 }
125 }
126 }
127
128 static inline void
nouveau_vpe_mb_data_blocks(struct nouveau_decoder * dec,const struct pipe_mpeg12_macroblock * mb)129 nouveau_vpe_mb_data_blocks(struct nouveau_decoder *dec, const struct pipe_mpeg12_macroblock *mb)
130 {
131 int cbb;
132 unsigned cbp = mb->coded_block_pattern;
133 short *db = mb->blocks;
134 for (cbb = 0x20; cbb > 0; cbb >>= 1) {
135 if (cbb & cbp) {
136 memcpy(&dec->data[dec->data_pos], db, 128);
137 dec->data_pos += 32;
138 db += 64;
139 } else if (mb->macroblock_type & PIPE_MPEG12_MB_TYPE_INTRA) {
140 memset(&dec->data[dec->data_pos], 0, 128);
141 dec->data_pos += 32;
142 }
143 }
144 }
145
146 static inline void
nouveau_vpe_mb_dct_header(struct nouveau_decoder * dec,const struct pipe_mpeg12_macroblock * mb,bool luma)147 nouveau_vpe_mb_dct_header(struct nouveau_decoder *dec,
148 const struct pipe_mpeg12_macroblock *mb,
149 bool luma)
150 {
151 unsigned base_dct, cbp;
152 bool intra = mb->macroblock_type & PIPE_MPEG12_MB_TYPE_INTRA;
153 unsigned x = mb->x * 16;
154 unsigned y = luma ? mb->y * 16 : mb->y * 8;
155
156 /* Setup the base dct header */
157 base_dct = dec->current << NV17_MPEG_CMD_CHROMA_MB_HEADER_SURFACE__SHIFT;
158 base_dct |= NV17_MPEG_CMD_CHROMA_MB_HEADER_RUN_SINGLE;
159
160 if (!(mb->x & 1))
161 base_dct |= NV17_MPEG_CMD_CHROMA_MB_HEADER_X_COORD_EVEN;
162 if (intra)
163 cbp = 0x3f;
164 else
165 cbp = mb->coded_block_pattern;
166
167 if (dec->picture_structure == PIPE_MPEG12_PICTURE_STRUCTURE_FRAME) {
168 base_dct |= NV17_MPEG_CMD_CHROMA_MB_HEADER_TYPE_FRAME;
169 if (luma && mb->macroblock_modes.bits.dct_type == PIPE_MPEG12_DCT_TYPE_FIELD)
170 base_dct |= NV17_MPEG_CMD_CHROMA_MB_HEADER_FRAME_DCT_TYPE_FIELD;
171 } else {
172 if (dec->picture_structure == PIPE_MPEG12_PICTURE_STRUCTURE_FIELD_BOTTOM)
173 base_dct |= NV17_MPEG_CMD_CHROMA_MB_HEADER_FIELD_BOTTOM;
174 if (!intra)
175 y *= 2;
176 }
177
178 if (luma) {
179 base_dct |= NV17_MPEG_CMD_LUMA_MB_HEADER_OP_LUMA_MB_HEADER;
180 base_dct |= (cbp >> 2) << NV17_MPEG_CMD_LUMA_MB_HEADER_CBP__SHIFT;
181 } else {
182 base_dct |= NV17_MPEG_CMD_CHROMA_MB_HEADER_OP_CHROMA_MB_HEADER;
183 base_dct |= (cbp & 3) << NV17_MPEG_CMD_CHROMA_MB_HEADER_CBP__SHIFT;
184 }
185 nouveau_vpe_write(dec, base_dct);
186 nouveau_vpe_write(dec, NV17_MPEG_CMD_MB_COORDS_OP_MB_COORDS |
187 x | (y << NV17_MPEG_CMD_MB_COORDS_Y__SHIFT));
188 }
189
190 static inline unsigned int
nouveau_vpe_mb_mv_flags(bool luma,int mv_h,int mv_v,bool forward,bool first,bool vert)191 nouveau_vpe_mb_mv_flags(bool luma, int mv_h, int mv_v, bool forward, bool first, bool vert)
192 {
193 unsigned mc_header = 0;
194 if (luma)
195 mc_header |= NV17_MPEG_CMD_LUMA_MV_HEADER_OP_LUMA_MV_HEADER;
196 else
197 mc_header |= NV17_MPEG_CMD_CHROMA_MV_HEADER_OP_CHROMA_MV_HEADER;
198 if (mv_h & 1)
199 mc_header |= NV17_MPEG_CMD_CHROMA_MV_HEADER_X_HALF;
200 if (mv_v & 1)
201 mc_header |= NV17_MPEG_CMD_CHROMA_MV_HEADER_Y_HALF;
202 if (!forward)
203 mc_header |= NV17_MPEG_CMD_CHROMA_MV_HEADER_DIRECTION_BACKWARD;
204 if (!first)
205 mc_header |= NV17_MPEG_CMD_CHROMA_MV_HEADER_IDX;
206 if (vert)
207 mc_header |= NV17_MPEG_CMD_LUMA_MV_HEADER_FIELD_BOTTOM;
208 return mc_header;
209 }
210
pos(int pos,int mov,int max)211 static unsigned pos(int pos, int mov, int max) {
212 int ret = pos + mov;
213 if (pos < 0)
214 return 0;
215 if (pos >= max)
216 return max-1;
217 return ret;
218 }
219
220 /* because we want -1 / 2 = -1 */
div_down(int val,int mult)221 static int div_down(int val, int mult) {
222 val &= ~(mult - 1);
223 return val / mult;
224 }
225
div_up(int val,int mult)226 static int div_up(int val, int mult) {
227 val += mult - 1;
228 return val / mult;
229 }
230
231 static inline void
nouveau_vpe_mb_mv(struct nouveau_decoder * dec,unsigned mc_header,bool luma,bool frame,bool forward,bool vert,int x,int y,const short motions[2],unsigned surface,bool first)232 nouveau_vpe_mb_mv(struct nouveau_decoder *dec, unsigned mc_header,
233 bool luma, bool frame, bool forward, bool vert,
234 int x, int y, const short motions[2],
235 unsigned surface, bool first)
236 {
237 unsigned mc_vector;
238 int mv_horizontal = motions[0];
239 int mv_vertical = motions[1];
240 int mv2 = mc_header & NV17_MPEG_CMD_CHROMA_MV_HEADER_COUNT_2;
241 unsigned width = dec->base.width;
242 unsigned height = dec->base.height;
243 if (mv2)
244 mv_vertical = div_down(mv_vertical, 2);
245 assert(frame); // Untested for non-frames
246 if (!frame)
247 height *= 2;
248
249 mc_header |= surface << NV17_MPEG_CMD_CHROMA_MV_HEADER_SURFACE__SHIFT;
250 if (!luma) {
251 mv_vertical = div_up(mv_vertical, 2);
252 mv_horizontal = div_up(mv_horizontal, 2);
253 height /= 2;
254 }
255 mc_header |= nouveau_vpe_mb_mv_flags(luma, mv_horizontal, mv_vertical, forward, first, vert);
256 nouveau_vpe_write(dec, mc_header);
257
258 mc_vector = NV17_MPEG_CMD_MV_COORDS_OP_MV_COORDS;
259 if (luma)
260 mc_vector |= pos(x, div_down(mv_horizontal, 2), width);
261 else
262 mc_vector |= pos(x, mv_horizontal & ~1, width);
263 if (!mv2)
264 mc_vector |= pos(y, div_down(mv_vertical, 2), height) << NV17_MPEG_CMD_MV_COORDS_Y__SHIFT;
265 else
266 mc_vector |= pos(y, mv_vertical & ~1, height) << NV17_MPEG_CMD_MV_COORDS_Y__SHIFT;
267 nouveau_vpe_write(dec, mc_vector);
268 }
269
270 static void
nouveau_vpe_mb_mv_header(struct nouveau_decoder * dec,const struct pipe_mpeg12_macroblock * mb,bool luma)271 nouveau_vpe_mb_mv_header(struct nouveau_decoder *dec,
272 const struct pipe_mpeg12_macroblock *mb,
273 bool luma)
274 {
275 bool frame = dec->picture_structure == PIPE_MPEG12_PICTURE_STRUCTURE_FRAME;
276 unsigned base;
277 bool forward, backward;
278 int y, y2, x = mb->x * 16;
279 if (luma)
280 y = mb->y * (frame ? 16 : 32);
281 else
282 y = mb->y * (frame ? 8 : 16);
283 if (frame)
284 y2 = y;
285 else
286 y2 = y + (luma ? 16 : 8);
287
288 forward = mb->macroblock_type & PIPE_MPEG12_MB_TYPE_MOTION_FORWARD;
289 backward = mb->macroblock_type & PIPE_MPEG12_MB_TYPE_MOTION_BACKWARD;
290 assert(!forward || dec->past < 8);
291 assert(!backward || dec->future < 8);
292 if (frame) {
293 switch (mb->macroblock_modes.bits.frame_motion_type) {
294 case PIPE_MPEG12_MO_TYPE_FRAME: goto mv1;
295 case PIPE_MPEG12_MO_TYPE_FIELD: goto mv2;
296 case PIPE_MPEG12_MO_TYPE_DUAL_PRIME: {
297 base = NV17_MPEG_CMD_CHROMA_MV_HEADER_COUNT_2;
298 if (forward) {
299 nouveau_vpe_mb_mv(dec, base, luma, frame, true, false,
300 x, y, mb->PMV[0][0], dec->past, true);
301 nouveau_vpe_mb_mv(dec, base, luma, frame, true, true,
302 x, y2, mb->PMV[0][0], dec->past, false);
303 }
304 if (backward && forward) {
305 nouveau_vpe_mb_mv(dec, base, luma, frame, !forward, true,
306 x, y, mb->PMV[1][0], dec->future, true);
307 nouveau_vpe_mb_mv(dec, base, luma, frame, !forward, false,
308 x, y2, mb->PMV[1][1], dec->future, false);
309 } else assert(!backward);
310 break;
311 }
312 default: assert(0);
313 }
314 } else {
315 switch (mb->macroblock_modes.bits.field_motion_type) {
316 case PIPE_MPEG12_MO_TYPE_FIELD: goto mv1;
317 case PIPE_MPEG12_MO_TYPE_16x8: goto mv2;
318 case PIPE_MPEG12_MO_TYPE_DUAL_PRIME: {
319 base = NV17_MPEG_CMD_CHROMA_MV_HEADER_MV_SPLIT_HALF_MB;
320 if (frame)
321 base |= NV17_MPEG_CMD_CHROMA_MV_HEADER_TYPE_FRAME;
322 if (forward)
323 nouveau_vpe_mb_mv(dec, base, luma, frame, true,
324 dec->picture_structure != PIPE_MPEG12_PICTURE_STRUCTURE_FIELD_TOP,
325 x, y, mb->PMV[0][0], dec->past, true);
326 if (backward && forward)
327 nouveau_vpe_mb_mv(dec, base, luma, frame, false,
328 dec->picture_structure == PIPE_MPEG12_PICTURE_STRUCTURE_FIELD_TOP,
329 x, y, mb->PMV[0][1], dec->future, true);
330 else assert(!backward);
331 break;
332 }
333 default: assert(0);
334 }
335 }
336 return;
337
338 mv1:
339 base = NV17_MPEG_CMD_CHROMA_MV_HEADER_MV_SPLIT_HALF_MB;
340 if (frame)
341 base |= NV17_MPEG_CMD_CHROMA_MV_HEADER_TYPE_FRAME;
342 /* frame 16x16 */
343 if (forward)
344 nouveau_vpe_mb_mv(dec, base, luma, frame, true, false,
345 x, y, mb->PMV[0][0], dec->past, true);
346 if (backward)
347 nouveau_vpe_mb_mv(dec, base, luma, frame, !forward, false,
348 x, y, mb->PMV[0][1], dec->future, true);
349 return;
350
351 mv2:
352 base = NV17_MPEG_CMD_CHROMA_MV_HEADER_COUNT_2;
353 if (!frame)
354 base |= NV17_MPEG_CMD_CHROMA_MV_HEADER_MV_SPLIT_HALF_MB;
355 if (forward) {
356 nouveau_vpe_mb_mv(dec, base, luma, frame, true,
357 mb->motion_vertical_field_select & PIPE_MPEG12_FS_FIRST_FORWARD,
358 x, y, mb->PMV[0][0], dec->past, true);
359 nouveau_vpe_mb_mv(dec, base, luma, frame, true,
360 mb->motion_vertical_field_select & PIPE_MPEG12_FS_SECOND_FORWARD,
361 x, y2, mb->PMV[1][0], dec->past, false);
362 }
363 if (backward) {
364 nouveau_vpe_mb_mv(dec, base, luma, frame, !forward,
365 mb->motion_vertical_field_select & PIPE_MPEG12_FS_FIRST_BACKWARD,
366 x, y, mb->PMV[0][1], dec->future, true);
367 nouveau_vpe_mb_mv(dec, base, luma, frame, !forward,
368 mb->motion_vertical_field_select & PIPE_MPEG12_FS_SECOND_BACKWARD,
369 x, y2, mb->PMV[1][1], dec->future, false);
370 }
371 }
372
373 static unsigned
nouveau_decoder_surface_index(struct nouveau_decoder * dec,struct pipe_video_buffer * buffer)374 nouveau_decoder_surface_index(struct nouveau_decoder *dec,
375 struct pipe_video_buffer *buffer)
376 {
377 struct nouveau_video_buffer *buf = (struct nouveau_video_buffer *)buffer;
378 struct nouveau_pushbuf *push = dec->push;
379 struct nouveau_bo *bo_y = nv04_resource(buf->resources[0])->bo;
380 struct nouveau_bo *bo_c = nv04_resource(buf->resources[1])->bo;
381
382 unsigned i;
383
384 for (i = 0; i < dec->num_surfaces; ++i) {
385 if (dec->surfaces[i] == buf)
386 return i;
387 }
388 assert(i < 8);
389 dec->surfaces[i] = buf;
390 dec->num_surfaces++;
391
392 nouveau_bufctx_reset(dec->bufctx, NV31_VIDEO_BIND_IMG(i));
393
394 #define BCTX_ARGS dec->bufctx, NV31_VIDEO_BIND_IMG(i), NOUVEAU_BO_RDWR
395 BEGIN_NV04(push, NV31_MPEG(IMAGE_Y_OFFSET(i)), 2);
396 PUSH_MTHDl(push, NV31_MPEG(IMAGE_Y_OFFSET(i)), bo_y, 0, BCTX_ARGS);
397 PUSH_MTHDl(push, NV31_MPEG(IMAGE_C_OFFSET(i)), bo_c, 0, BCTX_ARGS);
398 #undef BCTX_ARGS
399
400 return i;
401 }
402
403 static void
nouveau_decoder_begin_frame(struct pipe_video_codec * decoder,struct pipe_video_buffer * target,struct pipe_picture_desc * picture)404 nouveau_decoder_begin_frame(struct pipe_video_codec *decoder,
405 struct pipe_video_buffer *target,
406 struct pipe_picture_desc *picture)
407 {
408 }
409
410 static void
nouveau_decoder_decode_macroblock(struct pipe_video_codec * decoder,struct pipe_video_buffer * target,struct pipe_picture_desc * picture,const struct pipe_macroblock * pipe_mb,unsigned num_macroblocks)411 nouveau_decoder_decode_macroblock(struct pipe_video_codec *decoder,
412 struct pipe_video_buffer *target,
413 struct pipe_picture_desc *picture,
414 const struct pipe_macroblock *pipe_mb,
415 unsigned num_macroblocks)
416 {
417 struct nouveau_decoder *dec = (struct nouveau_decoder *)decoder;
418 struct pipe_mpeg12_picture_desc *desc = (struct pipe_mpeg12_picture_desc*)picture;
419 const struct pipe_mpeg12_macroblock *mb;
420 unsigned i;
421 assert(target->width == decoder->width);
422 assert(target->height == decoder->height);
423
424 dec->current = nouveau_decoder_surface_index(dec, target);
425 assert(dec->current < 8);
426 dec->picture_structure = desc->picture_structure;
427 if (desc->ref[1])
428 dec->future = nouveau_decoder_surface_index(dec, desc->ref[1]);
429 if (desc->ref[0])
430 dec->past = nouveau_decoder_surface_index(dec, desc->ref[0]);
431
432 if (nouveau_vpe_init(dec)) return;
433
434 /* initialize scan order */
435 nouveau_vpe_write(dec, 0x720000c0);
436 nouveau_vpe_write(dec, dec->data_pos);
437
438 mb = (const struct pipe_mpeg12_macroblock *)pipe_mb;
439 for (i = 0; i < num_macroblocks; ++i, mb++) {
440 if (mb->macroblock_type & PIPE_MPEG12_MB_TYPE_INTRA) {
441 nouveau_vpe_mb_dct_header(dec, mb, true);
442 nouveau_vpe_mb_dct_header(dec, mb, false);
443 } else {
444 nouveau_vpe_mb_mv_header(dec, mb, true);
445 nouveau_vpe_mb_dct_header(dec, mb, true);
446
447 nouveau_vpe_mb_mv_header(dec, mb, false);
448 nouveau_vpe_mb_dct_header(dec, mb, false);
449 }
450 if (dec->base.entrypoint <= PIPE_VIDEO_ENTRYPOINT_IDCT)
451 nouveau_vpe_mb_dct_blocks(dec, mb);
452 else
453 nouveau_vpe_mb_data_blocks(dec, mb);
454 }
455 }
456
457 static void
nouveau_decoder_end_frame(struct pipe_video_codec * decoder,struct pipe_video_buffer * target,struct pipe_picture_desc * picture)458 nouveau_decoder_end_frame(struct pipe_video_codec *decoder,
459 struct pipe_video_buffer *target,
460 struct pipe_picture_desc *picture)
461 {
462 }
463
464 static void
nouveau_decoder_flush(struct pipe_video_codec * decoder)465 nouveau_decoder_flush(struct pipe_video_codec *decoder)
466 {
467 struct nouveau_decoder *dec = (struct nouveau_decoder *)decoder;
468 if (dec->ofs)
469 nouveau_vpe_fini(dec);
470 }
471
472 static void
nouveau_decoder_destroy(struct pipe_video_codec * decoder)473 nouveau_decoder_destroy(struct pipe_video_codec *decoder)
474 {
475 struct nouveau_decoder *dec = (struct nouveau_decoder*)decoder;
476
477 if (dec->data_bo)
478 nouveau_bo_ref(NULL, &dec->data_bo);
479 if (dec->cmd_bo)
480 nouveau_bo_ref(NULL, &dec->cmd_bo);
481 if (dec->fence_bo)
482 nouveau_bo_ref(NULL, &dec->fence_bo);
483
484 nouveau_object_del(&dec->mpeg);
485
486 if (dec->bufctx)
487 nouveau_bufctx_del(&dec->bufctx);
488 if (dec->push)
489 nouveau_pushbuf_del(&dec->push);
490 if (dec->client)
491 nouveau_client_del(&dec->client);
492 if (dec->chan)
493 nouveau_object_del(&dec->chan);
494
495 FREE(dec);
496 }
497
498 static struct pipe_video_codec *
nouveau_create_decoder(struct pipe_context * context,const struct pipe_video_codec * templ,struct nouveau_screen * screen)499 nouveau_create_decoder(struct pipe_context *context,
500 const struct pipe_video_codec *templ,
501 struct nouveau_screen *screen)
502 {
503 struct nv04_fifo nv04_data = { .vram = 0xbeef0201, .gart = 0xbeef0202 };
504 unsigned width = templ->width, height = templ->height;
505 struct nouveau_object *mpeg = NULL;
506 struct nouveau_decoder *dec;
507 struct nouveau_pushbuf *push;
508 int ret;
509 bool is8274 = screen->device->chipset > 0x80;
510
511 debug_printf("Acceleration level: %s\n", templ->entrypoint <= PIPE_VIDEO_ENTRYPOINT_BITSTREAM ? "bit":
512 templ->entrypoint == PIPE_VIDEO_ENTRYPOINT_IDCT ? "IDCT" : "MC");
513
514 if (getenv("XVMC_VL"))
515 goto vl;
516 if (u_reduce_video_profile(templ->profile) != PIPE_VIDEO_FORMAT_MPEG12)
517 goto vl;
518 if (screen->device->chipset >= 0x98 && screen->device->chipset != 0xa0)
519 goto vl;
520 if (screen->device->chipset < 0x40)
521 goto vl;
522
523 dec = CALLOC_STRUCT(nouveau_decoder);
524 if (!dec)
525 return NULL;
526
527 ret = nouveau_object_new(&screen->device->object, 0,
528 NOUVEAU_FIFO_CHANNEL_CLASS,
529 &nv04_data, sizeof(nv04_data), &dec->chan);
530 if (ret)
531 goto fail;
532 ret = nouveau_client_new(screen->device, &dec->client);
533 if (ret)
534 goto fail;
535 ret = nouveau_pushbuf_new(dec->client, dec->chan, 2, 4096, 1, &dec->push);
536 if (ret)
537 goto fail;
538 ret = nouveau_bufctx_new(dec->client, NV31_VIDEO_BIND_COUNT, &dec->bufctx);
539 if (ret)
540 goto fail;
541 push = dec->push;
542
543 width = align(width, 64);
544 height = align(height, 64);
545
546 if (is8274)
547 ret = nouveau_object_new(dec->chan, 0xbeef8274, NV84_MPEG_CLASS, NULL, 0,
548 &mpeg);
549 else
550 ret = nouveau_object_new(dec->chan, 0xbeef3174, NV31_MPEG_CLASS, NULL, 0,
551 &mpeg);
552 if (ret < 0) {
553 debug_printf("Creation failed: %s (%i)\n", strerror(-ret), ret);
554 goto fail;
555 }
556
557 dec->mpeg = mpeg;
558 dec->base = *templ;
559 dec->base.context = context;
560 dec->base.width = width;
561 dec->base.height = height;
562 dec->base.destroy = nouveau_decoder_destroy;
563 dec->base.begin_frame = nouveau_decoder_begin_frame;
564 dec->base.decode_macroblock = nouveau_decoder_decode_macroblock;
565 dec->base.end_frame = nouveau_decoder_end_frame;
566 dec->base.flush = nouveau_decoder_flush;
567 dec->screen = screen;
568
569 ret = nouveau_bo_new(dec->screen->device, NOUVEAU_BO_GART | NOUVEAU_BO_MAP,
570 0, 1024 * 1024, NULL, &dec->cmd_bo);
571 if (ret)
572 goto fail;
573
574 ret = nouveau_bo_new(dec->screen->device, NOUVEAU_BO_GART | NOUVEAU_BO_MAP,
575 0, width * height * 6, NULL, &dec->data_bo);
576 if (ret)
577 goto fail;
578
579 /* we don't need the fence, the kernel sync's for us */
580 #if 0
581 ret = nouveau_bo_new(dec->screen->device, NOUVEAU_BO_GART | NOUVEAU_BO_MAP,
582 0, 4096, NULL, &dec->fence_bo);
583 if (ret)
584 goto fail;
585 nouveau_bo_map(dec->fence_bo, NOUVEAU_BO_RDWR, NULL);
586 dec->fence_map = dec->fence_bo->map;
587 dec->fence_map[0] = 0;
588 #endif
589
590 nouveau_pushbuf_bufctx(dec->push, dec->bufctx);
591 nouveau_pushbuf_space(push, 32, 4, 0);
592
593 BEGIN_NV04(push, SUBC_MPEG(NV01_SUBCHAN_OBJECT), 1);
594 PUSH_DATA (push, dec->mpeg->handle);
595
596 BEGIN_NV04(push, NV31_MPEG(DMA_CMD), 1);
597 PUSH_DATA (push, nv04_data.gart);
598
599 BEGIN_NV04(push, NV31_MPEG(DMA_DATA), 1);
600 PUSH_DATA (push, nv04_data.gart);
601
602 BEGIN_NV04(push, NV31_MPEG(DMA_IMAGE), 1);
603 PUSH_DATA (push, nv04_data.vram);
604
605 BEGIN_NV04(push, NV31_MPEG(PITCH), 2);
606 PUSH_DATA (push, width | NV31_MPEG_PITCH_UNK);
607 PUSH_DATA (push, (height << NV31_MPEG_SIZE_H__SHIFT) | width);
608
609 BEGIN_NV04(push, NV31_MPEG(FORMAT), 2);
610 PUSH_DATA (push, 0);
611 switch (templ->entrypoint) {
612 case PIPE_VIDEO_ENTRYPOINT_IDCT: PUSH_DATA (push, 1); break;
613 case PIPE_VIDEO_ENTRYPOINT_MC: PUSH_DATA (push, 0); break;
614 default: assert(0);
615 }
616
617 if (is8274) {
618 BEGIN_NV04(push, NV84_MPEG(DMA_QUERY), 1);
619 PUSH_DATA (push, nv04_data.vram);
620 #if 0
621 BEGIN_NV04(push, NV84_MPEG(QUERY_OFFSET), 2);
622 PUSH_DATA (push, dec->fence_bo->offset);
623 PUSH_DATA (push, dec->fence_seq);
624 #endif
625 }
626
627 ret = nouveau_vpe_init(dec);
628 if (ret)
629 goto fail;
630 nouveau_vpe_fini(dec);
631 return &dec->base;
632
633 fail:
634 nouveau_decoder_destroy(&dec->base);
635 return NULL;
636
637 vl:
638 debug_printf("Using g3dvl renderer\n");
639 return vl_create_decoder(context, templ);
640 }
641
642 static struct pipe_sampler_view **
nouveau_video_buffer_sampler_view_planes(struct pipe_video_buffer * buffer)643 nouveau_video_buffer_sampler_view_planes(struct pipe_video_buffer *buffer)
644 {
645 struct nouveau_video_buffer *buf = (struct nouveau_video_buffer *)buffer;
646 struct pipe_sampler_view sv_templ;
647 struct pipe_context *pipe;
648 unsigned i;
649
650 assert(buf);
651
652 pipe = buf->base.context;
653
654 for (i = 0; i < buf->num_planes; ++i ) {
655 if (!buf->sampler_view_planes[i]) {
656 memset(&sv_templ, 0, sizeof(sv_templ));
657 u_sampler_view_default_template(&sv_templ, buf->resources[i], buf->resources[i]->format);
658
659 if (util_format_get_nr_components(buf->resources[i]->format) == 1)
660 sv_templ.swizzle_r = sv_templ.swizzle_g = sv_templ.swizzle_b = sv_templ.swizzle_a = PIPE_SWIZZLE_X;
661
662 buf->sampler_view_planes[i] = pipe->create_sampler_view(pipe, buf->resources[i], &sv_templ);
663 if (!buf->sampler_view_planes[i])
664 goto error;
665 }
666 }
667
668 return buf->sampler_view_planes;
669
670 error:
671 for (i = 0; i < buf->num_planes; ++i )
672 pipe_sampler_view_reference(&buf->sampler_view_planes[i], NULL);
673
674 return NULL;
675 }
676
677 static struct pipe_sampler_view **
nouveau_video_buffer_sampler_view_components(struct pipe_video_buffer * buffer)678 nouveau_video_buffer_sampler_view_components(struct pipe_video_buffer *buffer)
679 {
680 struct nouveau_video_buffer *buf = (struct nouveau_video_buffer *)buffer;
681 struct pipe_sampler_view sv_templ;
682 struct pipe_context *pipe;
683 unsigned i, j, component;
684
685 assert(buf);
686
687 pipe = buf->base.context;
688
689 for (component = 0, i = 0; i < buf->num_planes; ++i ) {
690 unsigned nr_components = util_format_get_nr_components(buf->resources[i]->format);
691
692 for (j = 0; j < nr_components; ++j, ++component) {
693 assert(component < VL_NUM_COMPONENTS);
694
695 if (!buf->sampler_view_components[component]) {
696 memset(&sv_templ, 0, sizeof(sv_templ));
697 u_sampler_view_default_template(&sv_templ, buf->resources[i], buf->resources[i]->format);
698 sv_templ.swizzle_r = sv_templ.swizzle_g = sv_templ.swizzle_b = PIPE_SWIZZLE_X + j;
699 sv_templ.swizzle_a = PIPE_SWIZZLE_1;
700 buf->sampler_view_components[component] = pipe->create_sampler_view(pipe, buf->resources[i], &sv_templ);
701 if (!buf->sampler_view_components[component])
702 goto error;
703 }
704 }
705 }
706
707 return buf->sampler_view_components;
708
709 error:
710 for (i = 0; i < 3; ++i )
711 pipe_sampler_view_reference(&buf->sampler_view_components[i], NULL);
712
713 return NULL;
714 }
715
716 static struct pipe_surface **
nouveau_video_buffer_surfaces(struct pipe_video_buffer * buffer)717 nouveau_video_buffer_surfaces(struct pipe_video_buffer *buffer)
718 {
719 struct nouveau_video_buffer *buf = (struct nouveau_video_buffer *)buffer;
720 struct pipe_surface surf_templ;
721 struct pipe_context *pipe;
722 unsigned i;
723
724 assert(buf);
725
726 pipe = buf->base.context;
727
728 for (i = 0; i < buf->num_planes; ++i ) {
729 if (!buf->surfaces[i]) {
730 memset(&surf_templ, 0, sizeof(surf_templ));
731 surf_templ.format = buf->resources[i]->format;
732 buf->surfaces[i] = pipe->create_surface(pipe, buf->resources[i], &surf_templ);
733 if (!buf->surfaces[i])
734 goto error;
735 }
736 }
737
738 return buf->surfaces;
739
740 error:
741 for (i = 0; i < buf->num_planes; ++i )
742 pipe_surface_reference(&buf->surfaces[i], NULL);
743
744 return NULL;
745 }
746
747 static void
nouveau_video_buffer_destroy(struct pipe_video_buffer * buffer)748 nouveau_video_buffer_destroy(struct pipe_video_buffer *buffer)
749 {
750 struct nouveau_video_buffer *buf = (struct nouveau_video_buffer *)buffer;
751 unsigned i;
752
753 assert(buf);
754
755 for (i = 0; i < buf->num_planes; ++i) {
756 pipe_surface_reference(&buf->surfaces[i], NULL);
757 pipe_sampler_view_reference(&buf->sampler_view_planes[i], NULL);
758 pipe_sampler_view_reference(&buf->sampler_view_components[i], NULL);
759 pipe_resource_reference(&buf->resources[i], NULL);
760 }
761 for (;i < 3;++i)
762 pipe_sampler_view_reference(&buf->sampler_view_components[i], NULL);
763
764 FREE(buffer);
765 }
766
767 static struct pipe_video_buffer *
nouveau_video_buffer_create(struct pipe_context * pipe,struct nouveau_screen * screen,const struct pipe_video_buffer * templat)768 nouveau_video_buffer_create(struct pipe_context *pipe,
769 struct nouveau_screen *screen,
770 const struct pipe_video_buffer *templat)
771 {
772 struct nouveau_video_buffer *buffer;
773 struct pipe_resource templ;
774 unsigned width, height;
775
776 /* Only do a linear surface when a hardware decoder is used
777 * hardware decoder is only supported on some chipsets
778 * and it only supports the NV12 format
779 */
780 if (templat->buffer_format != PIPE_FORMAT_NV12 || getenv("XVMC_VL") ||
781 (screen->device->chipset >= 0x98 && screen->device->chipset != 0xa0) ||
782 screen->device->chipset < 0x40)
783 return vl_video_buffer_create(pipe, templat);
784
785 assert(templat->chroma_format == PIPE_VIDEO_CHROMA_FORMAT_420);
786 width = align(templat->width, 64);
787 height = align(templat->height, 64);
788
789 buffer = CALLOC_STRUCT(nouveau_video_buffer);
790 if (!buffer)
791 return NULL;
792
793 buffer->base.context = pipe;
794 buffer->base.destroy = nouveau_video_buffer_destroy;
795 buffer->base.get_sampler_view_planes = nouveau_video_buffer_sampler_view_planes;
796 buffer->base.get_sampler_view_components = nouveau_video_buffer_sampler_view_components;
797 buffer->base.get_surfaces = nouveau_video_buffer_surfaces;
798 buffer->base.chroma_format = templat->chroma_format;
799 buffer->base.buffer_format = templat->buffer_format;
800 buffer->base.width = width;
801 buffer->base.height = height;
802 buffer->num_planes = 2;
803
804 memset(&templ, 0, sizeof(templ));
805 templ.target = PIPE_TEXTURE_2D;
806 templ.format = PIPE_FORMAT_R8_UNORM;
807 templ.width0 = width;
808 templ.height0 = height;
809 templ.depth0 = 1;
810 templ.array_size = 1;
811 templ.bind = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET;
812 templ.usage = PIPE_USAGE_DEFAULT;
813 templ.flags = NOUVEAU_RESOURCE_FLAG_LINEAR;
814
815 buffer->resources[0] = pipe->screen->resource_create(pipe->screen, &templ);
816 if (!buffer->resources[0])
817 goto error;
818 templ.width0 /= 2;
819 templ.height0 /= 2;
820 templ.format = PIPE_FORMAT_R8G8_UNORM;
821 buffer->resources[1] = pipe->screen->resource_create(pipe->screen, &templ);
822 if (!buffer->resources[1])
823 goto error;
824 return &buffer->base;
825
826 error:
827 nouveau_video_buffer_destroy(&buffer->base);
828 return NULL;
829 }
830
831 static int
nouveau_screen_get_video_param(struct pipe_screen * pscreen,enum pipe_video_profile profile,enum pipe_video_entrypoint entrypoint,enum pipe_video_cap param)832 nouveau_screen_get_video_param(struct pipe_screen *pscreen,
833 enum pipe_video_profile profile,
834 enum pipe_video_entrypoint entrypoint,
835 enum pipe_video_cap param)
836 {
837 switch (param) {
838 case PIPE_VIDEO_CAP_SUPPORTED:
839 return entrypoint >= PIPE_VIDEO_ENTRYPOINT_IDCT &&
840 u_reduce_video_profile(profile) == PIPE_VIDEO_FORMAT_MPEG12;
841 case PIPE_VIDEO_CAP_NPOT_TEXTURES:
842 return 1;
843 case PIPE_VIDEO_CAP_MAX_WIDTH:
844 case PIPE_VIDEO_CAP_MAX_HEIGHT:
845 return vl_video_buffer_max_size(pscreen);
846 case PIPE_VIDEO_CAP_PREFERED_FORMAT:
847 return PIPE_FORMAT_NV12;
848 case PIPE_VIDEO_CAP_PREFERS_INTERLACED:
849 return false;
850 case PIPE_VIDEO_CAP_SUPPORTS_INTERLACED:
851 return false;
852 case PIPE_VIDEO_CAP_SUPPORTS_PROGRESSIVE:
853 return true;
854 case PIPE_VIDEO_CAP_MAX_LEVEL:
855 return vl_level_supported(pscreen, profile);
856 default:
857 debug_printf("unknown video param: %d\n", param);
858 return 0;
859 }
860 }
861
862 void
nouveau_screen_init_vdec(struct nouveau_screen * screen)863 nouveau_screen_init_vdec(struct nouveau_screen *screen)
864 {
865 screen->base.get_video_param = nouveau_screen_get_video_param;
866 screen->base.is_video_format_supported = vl_video_buffer_is_format_supported;
867 }
868
869 static struct pipe_video_codec *
nouveau_context_create_decoder(struct pipe_context * context,const struct pipe_video_codec * templ)870 nouveau_context_create_decoder(struct pipe_context *context,
871 const struct pipe_video_codec *templ)
872 {
873 struct nouveau_screen *screen = nouveau_context(context)->screen;
874 return nouveau_create_decoder(context, templ, screen);
875 }
876
877 static struct pipe_video_buffer *
nouveau_context_video_buffer_create(struct pipe_context * pipe,const struct pipe_video_buffer * templat)878 nouveau_context_video_buffer_create(struct pipe_context *pipe,
879 const struct pipe_video_buffer *templat)
880 {
881 struct nouveau_screen *screen = nouveau_context(pipe)->screen;
882 return nouveau_video_buffer_create(pipe, screen, templat);
883 }
884
885 void
nouveau_context_init_vdec(struct nouveau_context * nv)886 nouveau_context_init_vdec(struct nouveau_context *nv)
887 {
888 nv->pipe.create_video_codec = nouveau_context_create_decoder;
889 nv->pipe.create_video_buffer = nouveau_context_video_buffer_create;
890 }
891