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1 /**************************************************************************
2  *
3  * Copyright 2011 Advanced Micro Devices, Inc.
4  *
5  * SPDX-License-Identifier: MIT
6  *
7  **************************************************************************/
8 
9 #include "radeon_uvd.h"
10 
11 #include "pipe/p_video_codec.h"
12 #include "radeon_video.h"
13 #include "radeonsi/si_pipe.h"
14 #include "util/u_memory.h"
15 #include "util/u_video.h"
16 #include "vl/vl_defines.h"
17 #include "vl/vl_mpeg12_decoder.h"
18 #include <sys/types.h>
19 
20 #include <assert.h>
21 #include <errno.h>
22 #include <stdio.h>
23 #include <unistd.h>
24 
25 #define NUM_BUFFERS 4
26 
27 #define NUM_MPEG2_REFS 6
28 #define NUM_H264_REFS  17
29 #define NUM_VC1_REFS   5
30 
31 #define FB_BUFFER_OFFSET         0x1000
32 #define FB_BUFFER_SIZE           2048
33 #define FB_BUFFER_SIZE_TONGA     (2048 * 64)
34 #define IT_SCALING_TABLE_SIZE    992
35 #define UVD_SESSION_CONTEXT_SIZE (128 * 1024)
36 
37 /* UVD decoder representation */
38 struct ruvd_decoder {
39    struct pipe_video_codec base;
40 
41    ruvd_set_dtb set_dtb;
42 
43    unsigned stream_handle;
44    unsigned stream_type;
45    unsigned frame_number;
46 
47    struct pipe_screen *screen;
48    struct radeon_winsys *ws;
49    struct radeon_cmdbuf cs;
50 
51    unsigned cur_buffer;
52 
53    struct rvid_buffer msg_fb_it_buffers[NUM_BUFFERS];
54    struct ruvd_msg *msg;
55    uint32_t *fb;
56    unsigned fb_size;
57    uint8_t *it;
58 
59    struct rvid_buffer bs_buffers[NUM_BUFFERS];
60    void *bs_ptr;
61    unsigned bs_size;
62 
63    struct rvid_buffer dpb;
64    bool use_legacy;
65    struct rvid_buffer ctx;
66    struct rvid_buffer sessionctx;
67    struct {
68       unsigned data0;
69       unsigned data1;
70       unsigned cmd;
71       unsigned cntl;
72    } reg;
73 
74    void *render_pic_list[16];
75 };
76 
77 /* flush IB to the hardware */
flush(struct ruvd_decoder * dec,unsigned flags,struct pipe_fence_handle ** fence)78 static int flush(struct ruvd_decoder *dec, unsigned flags, struct pipe_fence_handle **fence)
79 {
80    return dec->ws->cs_flush(&dec->cs, flags, fence);
81 }
82 
ruvd_dec_fence_wait(struct pipe_video_codec * decoder,struct pipe_fence_handle * fence,uint64_t timeout)83 static int ruvd_dec_fence_wait(struct pipe_video_codec *decoder,
84                                struct pipe_fence_handle *fence,
85                                uint64_t timeout)
86 {
87    struct ruvd_decoder *dec = (struct ruvd_decoder *)decoder;
88    return dec->ws->fence_wait(dec->ws, fence, timeout);
89 }
90 
ruvd_dec_destroy_fence(struct pipe_video_codec * decoder,struct pipe_fence_handle * fence)91 static void ruvd_dec_destroy_fence(struct pipe_video_codec *decoder,
92                                    struct pipe_fence_handle *fence)
93 {
94    struct ruvd_decoder *dec = (struct ruvd_decoder *)decoder;
95 
96    dec->ws->fence_reference(dec->ws, &fence, NULL);
97 }
98 
99 /* add a new set register command to the IB */
set_reg(struct ruvd_decoder * dec,unsigned reg,uint32_t val)100 static void set_reg(struct ruvd_decoder *dec, unsigned reg, uint32_t val)
101 {
102    radeon_emit(&dec->cs, RUVD_PKT0(reg >> 2, 0));
103    radeon_emit(&dec->cs, val);
104 }
105 
106 /* send a command to the VCPU through the GPCOM registers */
send_cmd(struct ruvd_decoder * dec,unsigned cmd,struct pb_buffer_lean * buf,uint32_t off,unsigned usage,enum radeon_bo_domain domain)107 static void send_cmd(struct ruvd_decoder *dec, unsigned cmd, struct pb_buffer_lean *buf, uint32_t off,
108                      unsigned usage, enum radeon_bo_domain domain)
109 {
110    int reloc_idx;
111 
112    reloc_idx = dec->ws->cs_add_buffer(&dec->cs, buf, usage | RADEON_USAGE_SYNCHRONIZED, domain);
113    if (!dec->use_legacy) {
114       uint64_t addr;
115       addr = dec->ws->buffer_get_virtual_address(buf);
116       addr = addr + off;
117       set_reg(dec, dec->reg.data0, addr);
118       set_reg(dec, dec->reg.data1, addr >> 32);
119    } else {
120       off += dec->ws->buffer_get_reloc_offset(buf);
121       set_reg(dec, RUVD_GPCOM_VCPU_DATA0, off);
122       set_reg(dec, RUVD_GPCOM_VCPU_DATA1, reloc_idx * 4);
123    }
124    set_reg(dec, dec->reg.cmd, cmd << 1);
125 }
126 
127 /* do the codec needs an IT buffer ?*/
have_it(struct ruvd_decoder * dec)128 static bool have_it(struct ruvd_decoder *dec)
129 {
130    return dec->stream_type == RUVD_CODEC_H264_PERF || dec->stream_type == RUVD_CODEC_H265;
131 }
132 
133 /* map the next available message/feedback/itscaling buffer */
map_msg_fb_it_buf(struct ruvd_decoder * dec)134 static void map_msg_fb_it_buf(struct ruvd_decoder *dec)
135 {
136    struct rvid_buffer *buf;
137    uint8_t *ptr;
138 
139    /* grab the current message/feedback buffer */
140    buf = &dec->msg_fb_it_buffers[dec->cur_buffer];
141 
142    /* and map it for CPU access */
143    ptr =
144       dec->ws->buffer_map(dec->ws, buf->res->buf, &dec->cs, PIPE_MAP_WRITE | RADEON_MAP_TEMPORARY);
145 
146    /* calc buffer offsets */
147    dec->msg = (struct ruvd_msg *)ptr;
148    memset(dec->msg, 0, sizeof(*dec->msg));
149 
150    dec->fb = (uint32_t *)(ptr + FB_BUFFER_OFFSET);
151    if (have_it(dec))
152       dec->it = (uint8_t *)(ptr + FB_BUFFER_OFFSET + dec->fb_size);
153 }
154 
155 /* unmap and send a message command to the VCPU */
send_msg_buf(struct ruvd_decoder * dec)156 static void send_msg_buf(struct ruvd_decoder *dec)
157 {
158    struct rvid_buffer *buf;
159 
160    /* ignore the request if message/feedback buffer isn't mapped */
161    if (!dec->msg || !dec->fb)
162       return;
163 
164    /* grab the current message buffer */
165    buf = &dec->msg_fb_it_buffers[dec->cur_buffer];
166 
167    /* unmap the buffer */
168    dec->ws->buffer_unmap(dec->ws, buf->res->buf);
169    dec->msg = NULL;
170    dec->fb = NULL;
171    dec->it = NULL;
172 
173    if (dec->sessionctx.res)
174       send_cmd(dec, RUVD_CMD_SESSION_CONTEXT_BUFFER, dec->sessionctx.res->buf, 0,
175                RADEON_USAGE_READWRITE, RADEON_DOMAIN_VRAM);
176 
177    /* and send it to the hardware */
178    send_cmd(dec, RUVD_CMD_MSG_BUFFER, buf->res->buf, 0, RADEON_USAGE_READ, RADEON_DOMAIN_GTT);
179 }
180 
181 /* cycle to the next set of buffers */
next_buffer(struct ruvd_decoder * dec)182 static void next_buffer(struct ruvd_decoder *dec)
183 {
184    ++dec->cur_buffer;
185    dec->cur_buffer %= NUM_BUFFERS;
186 }
187 
188 /* convert the profile into something UVD understands */
profile2stream_type(struct ruvd_decoder * dec,unsigned family)189 static uint32_t profile2stream_type(struct ruvd_decoder *dec, unsigned family)
190 {
191    switch (u_reduce_video_profile(dec->base.profile)) {
192    case PIPE_VIDEO_FORMAT_MPEG4_AVC:
193       return (family >= CHIP_TONGA) ? RUVD_CODEC_H264_PERF : RUVD_CODEC_H264;
194 
195    case PIPE_VIDEO_FORMAT_VC1:
196       return RUVD_CODEC_VC1;
197 
198    case PIPE_VIDEO_FORMAT_MPEG12:
199       return RUVD_CODEC_MPEG2;
200 
201    case PIPE_VIDEO_FORMAT_MPEG4:
202       return RUVD_CODEC_MPEG4;
203 
204    case PIPE_VIDEO_FORMAT_HEVC:
205       return RUVD_CODEC_H265;
206 
207    case PIPE_VIDEO_FORMAT_JPEG:
208       return RUVD_CODEC_MJPEG;
209 
210    default:
211       assert(0);
212       return 0;
213    }
214 }
215 
calc_ctx_size_h264_perf(struct ruvd_decoder * dec)216 static unsigned calc_ctx_size_h264_perf(struct ruvd_decoder *dec)
217 {
218    unsigned width_in_mb, height_in_mb, ctx_size;
219    unsigned width = align(dec->base.width, VL_MACROBLOCK_WIDTH);
220    unsigned height = align(dec->base.height, VL_MACROBLOCK_HEIGHT);
221 
222    unsigned max_references = dec->base.max_references + 1;
223 
224    // picture width & height in 16 pixel units
225    width_in_mb = width / VL_MACROBLOCK_WIDTH;
226    height_in_mb = align(height / VL_MACROBLOCK_HEIGHT, 2);
227 
228    if (!dec->use_legacy) {
229       unsigned fs_in_mb = width_in_mb * height_in_mb;
230       unsigned num_dpb_buffer_lean;
231       switch (dec->base.level) {
232       case 30:
233          num_dpb_buffer_lean = 8100 / fs_in_mb;
234          break;
235       case 31:
236          num_dpb_buffer_lean = 18000 / fs_in_mb;
237          break;
238       case 32:
239          num_dpb_buffer_lean = 20480 / fs_in_mb;
240          break;
241       case 41:
242          num_dpb_buffer_lean = 32768 / fs_in_mb;
243          break;
244       case 42:
245          num_dpb_buffer_lean = 34816 / fs_in_mb;
246          break;
247       case 50:
248          num_dpb_buffer_lean = 110400 / fs_in_mb;
249          break;
250       case 51:
251          num_dpb_buffer_lean = 184320 / fs_in_mb;
252          break;
253       default:
254          num_dpb_buffer_lean = 184320 / fs_in_mb;
255          break;
256       }
257       num_dpb_buffer_lean++;
258       max_references = MAX2(MIN2(NUM_H264_REFS, num_dpb_buffer_lean), max_references);
259       ctx_size = max_references * align(width_in_mb * height_in_mb * 192, 256);
260    } else {
261       // the firmware seems to always assume a minimum of ref frames
262       max_references = MAX2(NUM_H264_REFS, max_references);
263       // macroblock context buffer
264       ctx_size = align(width_in_mb * height_in_mb * max_references * 192, 256);
265    }
266 
267    return ctx_size;
268 }
269 
calc_ctx_size_h265_main(struct ruvd_decoder * dec)270 static unsigned calc_ctx_size_h265_main(struct ruvd_decoder *dec)
271 {
272    unsigned width = align(dec->base.width, VL_MACROBLOCK_WIDTH);
273    unsigned height = align(dec->base.height, VL_MACROBLOCK_HEIGHT);
274 
275    unsigned max_references = dec->base.max_references + 1;
276 
277    if (dec->base.width * dec->base.height >= 4096 * 2000)
278       max_references = MAX2(max_references, 8);
279    else
280       max_references = MAX2(max_references, 17);
281 
282    width = align(width, 16);
283    height = align(height, 16);
284    return ((width + 255) / 16) * ((height + 255) / 16) * 16 * max_references + 52 * 1024;
285 }
286 
calc_ctx_size_h265_main10(struct ruvd_decoder * dec,struct pipe_h265_picture_desc * pic)287 static unsigned calc_ctx_size_h265_main10(struct ruvd_decoder *dec,
288                                           struct pipe_h265_picture_desc *pic)
289 {
290    unsigned log2_ctb_size, width_in_ctb, height_in_ctb, num_16x16_block_per_ctb;
291    unsigned context_buffer_size_per_ctb_row, cm_buffer_size, max_mb_address, db_left_tile_pxl_size;
292    unsigned db_left_tile_ctx_size = 4096 / 16 * (32 + 16 * 4);
293 
294    unsigned width = align(dec->base.width, VL_MACROBLOCK_WIDTH);
295    unsigned height = align(dec->base.height, VL_MACROBLOCK_HEIGHT);
296    unsigned coeff_10bit =
297       (pic->pps->sps->bit_depth_luma_minus8 || pic->pps->sps->bit_depth_chroma_minus8) ? 2 : 1;
298 
299    unsigned max_references = dec->base.max_references + 1;
300 
301    if (dec->base.width * dec->base.height >= 4096 * 2000)
302       max_references = MAX2(max_references, 8);
303    else
304       max_references = MAX2(max_references, 17);
305 
306    log2_ctb_size = pic->pps->sps->log2_min_luma_coding_block_size_minus3 + 3 +
307                    pic->pps->sps->log2_diff_max_min_luma_coding_block_size;
308 
309    width_in_ctb = (width + ((1 << log2_ctb_size) - 1)) >> log2_ctb_size;
310    height_in_ctb = (height + ((1 << log2_ctb_size) - 1)) >> log2_ctb_size;
311 
312    num_16x16_block_per_ctb = ((1 << log2_ctb_size) >> 4) * ((1 << log2_ctb_size) >> 4);
313    context_buffer_size_per_ctb_row = align(width_in_ctb * num_16x16_block_per_ctb * 16, 256);
314    max_mb_address = (unsigned)ceil(height * 8 / 2048.0);
315 
316    cm_buffer_size = max_references * context_buffer_size_per_ctb_row * height_in_ctb;
317    db_left_tile_pxl_size = coeff_10bit * (max_mb_address * 2 * 2048 + 1024);
318 
319    return cm_buffer_size + db_left_tile_ctx_size + db_left_tile_pxl_size;
320 }
321 
get_db_pitch_alignment(struct ruvd_decoder * dec)322 static unsigned get_db_pitch_alignment(struct ruvd_decoder *dec)
323 {
324    if (((struct si_screen *)dec->screen)->info.family < CHIP_VEGA10)
325       return 16;
326    else
327       return 32;
328 }
329 
330 /* calculate size of reference picture buffer */
calc_dpb_size(struct ruvd_decoder * dec)331 static unsigned calc_dpb_size(struct ruvd_decoder *dec)
332 {
333    unsigned width_in_mb, height_in_mb, image_size, dpb_size;
334 
335    // always align them to MB size for dpb calculation
336    unsigned width = align(dec->base.width, VL_MACROBLOCK_WIDTH);
337    unsigned height = align(dec->base.height, VL_MACROBLOCK_HEIGHT);
338 
339    // always one more for currently decoded picture
340    unsigned max_references = dec->base.max_references + 1;
341 
342    // aligned size of a single frame
343    image_size = align(width, get_db_pitch_alignment(dec)) * height;
344    image_size += image_size / 2;
345    image_size = align(image_size, 1024);
346 
347    // picture width & height in 16 pixel units
348    width_in_mb = width / VL_MACROBLOCK_WIDTH;
349    height_in_mb = align(height / VL_MACROBLOCK_HEIGHT, 2);
350 
351    switch (u_reduce_video_profile(dec->base.profile)) {
352    case PIPE_VIDEO_FORMAT_MPEG4_AVC: {
353       if (!dec->use_legacy) {
354          unsigned fs_in_mb = width_in_mb * height_in_mb;
355          unsigned alignment = 64, num_dpb_buffer_lean;
356 
357          if (dec->stream_type == RUVD_CODEC_H264_PERF)
358             alignment = 256;
359          switch (dec->base.level) {
360          case 30:
361             num_dpb_buffer_lean = 8100 / fs_in_mb;
362             break;
363          case 31:
364             num_dpb_buffer_lean = 18000 / fs_in_mb;
365             break;
366          case 32:
367             num_dpb_buffer_lean = 20480 / fs_in_mb;
368             break;
369          case 41:
370             num_dpb_buffer_lean = 32768 / fs_in_mb;
371             break;
372          case 42:
373             num_dpb_buffer_lean = 34816 / fs_in_mb;
374             break;
375          case 50:
376             num_dpb_buffer_lean = 110400 / fs_in_mb;
377             break;
378          case 51:
379             num_dpb_buffer_lean = 184320 / fs_in_mb;
380             break;
381          default:
382             num_dpb_buffer_lean = 184320 / fs_in_mb;
383             break;
384          }
385          num_dpb_buffer_lean++;
386          max_references = MAX2(MIN2(NUM_H264_REFS, num_dpb_buffer_lean), max_references);
387          dpb_size = image_size * max_references;
388          if ((dec->stream_type != RUVD_CODEC_H264_PERF) ||
389              (((struct si_screen *)dec->screen)->info.family < CHIP_POLARIS10)) {
390             dpb_size += max_references * align(width_in_mb * height_in_mb * 192, alignment);
391             dpb_size += align(width_in_mb * height_in_mb * 32, alignment);
392          }
393       } else {
394          // the firmware seems to always assume a minimum of ref frames
395          max_references = MAX2(NUM_H264_REFS, max_references);
396          // reference picture buffer
397          dpb_size = image_size * max_references;
398          if ((dec->stream_type != RUVD_CODEC_H264_PERF) ||
399              (((struct si_screen *)dec->screen)->info.family < CHIP_POLARIS10)) {
400             // macroblock context buffer
401             dpb_size += width_in_mb * height_in_mb * max_references * 192;
402             // IT surface buffer
403             dpb_size += width_in_mb * height_in_mb * 32;
404          }
405       }
406       break;
407    }
408 
409    case PIPE_VIDEO_FORMAT_HEVC:
410       if (dec->base.width * dec->base.height >= 4096 * 2000)
411          max_references = MAX2(max_references, 8);
412       else
413          max_references = MAX2(max_references, 17);
414 
415       width = align(width, 16);
416       height = align(height, 16);
417       if (dec->base.profile == PIPE_VIDEO_PROFILE_HEVC_MAIN_10)
418          dpb_size = align((align(width, get_db_pitch_alignment(dec)) * height * 9) / 4, 256) *
419                     max_references;
420       else
421          dpb_size = align((align(width, get_db_pitch_alignment(dec)) * height * 3) / 2, 256) *
422                     max_references;
423       break;
424 
425    case PIPE_VIDEO_FORMAT_VC1:
426       // the firmware seems to always assume a minimum of ref frames
427       max_references = MAX2(NUM_VC1_REFS, max_references);
428 
429       // reference picture buffer
430       dpb_size = image_size * max_references;
431 
432       // CONTEXT_BUFFER
433       dpb_size += width_in_mb * height_in_mb * 128;
434 
435       // IT surface buffer
436       dpb_size += width_in_mb * 64;
437 
438       // DB surface buffer
439       dpb_size += width_in_mb * 128;
440 
441       // BP
442       dpb_size += align(MAX2(width_in_mb, height_in_mb) * 7 * 16, 64);
443       break;
444 
445    case PIPE_VIDEO_FORMAT_MPEG12:
446       // reference picture buffer, must be big enough for all frames
447       dpb_size = image_size * NUM_MPEG2_REFS;
448       break;
449 
450    case PIPE_VIDEO_FORMAT_MPEG4:
451       // reference picture buffer
452       dpb_size = image_size * max_references;
453 
454       // CM
455       dpb_size += width_in_mb * height_in_mb * 64;
456 
457       // IT surface buffer
458       dpb_size += align(width_in_mb * height_in_mb * 32, 64);
459 
460       dpb_size = MAX2(dpb_size, 30 * 1024 * 1024);
461       break;
462 
463    case PIPE_VIDEO_FORMAT_JPEG:
464       dpb_size = 0;
465       break;
466 
467    default:
468       // something is missing here
469       assert(0);
470 
471       // at least use a sane default value
472       dpb_size = 32 * 1024 * 1024;
473       break;
474    }
475    return dpb_size;
476 }
477 
478 /* free associated data in the video buffer callback */
ruvd_destroy_associated_data(void * data)479 static void ruvd_destroy_associated_data(void *data)
480 {
481    /* NOOP, since we only use an intptr */
482 }
483 
484 /* get h264 specific message bits */
get_h264_msg(struct ruvd_decoder * dec,struct pipe_h264_picture_desc * pic)485 static struct ruvd_h264 get_h264_msg(struct ruvd_decoder *dec, struct pipe_h264_picture_desc *pic)
486 {
487    struct ruvd_h264 result;
488 
489    memset(&result, 0, sizeof(result));
490    switch (pic->base.profile) {
491    case PIPE_VIDEO_PROFILE_MPEG4_AVC_BASELINE:
492    case PIPE_VIDEO_PROFILE_MPEG4_AVC_CONSTRAINED_BASELINE:
493       result.profile = RUVD_H264_PROFILE_BASELINE;
494       break;
495 
496    case PIPE_VIDEO_PROFILE_MPEG4_AVC_MAIN:
497       result.profile = RUVD_H264_PROFILE_MAIN;
498       break;
499 
500    case PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH:
501       result.profile = RUVD_H264_PROFILE_HIGH;
502       break;
503 
504    default:
505       assert(0);
506       break;
507    }
508 
509    result.level = dec->base.level;
510 
511    result.sps_info_flags = 0;
512    result.sps_info_flags |= pic->pps->sps->direct_8x8_inference_flag << 0;
513    result.sps_info_flags |= pic->pps->sps->mb_adaptive_frame_field_flag << 1;
514    result.sps_info_flags |= pic->pps->sps->frame_mbs_only_flag << 2;
515    result.sps_info_flags |= pic->pps->sps->delta_pic_order_always_zero_flag << 3;
516 
517    result.bit_depth_luma_minus8 = pic->pps->sps->bit_depth_luma_minus8;
518    result.bit_depth_chroma_minus8 = pic->pps->sps->bit_depth_chroma_minus8;
519    result.log2_max_frame_num_minus4 = pic->pps->sps->log2_max_frame_num_minus4;
520    result.pic_order_cnt_type = pic->pps->sps->pic_order_cnt_type;
521    result.log2_max_pic_order_cnt_lsb_minus4 = pic->pps->sps->log2_max_pic_order_cnt_lsb_minus4;
522 
523    switch (dec->base.chroma_format) {
524    case PIPE_VIDEO_CHROMA_FORMAT_NONE:
525       /* TODO: assert? */
526       break;
527    case PIPE_VIDEO_CHROMA_FORMAT_400:
528       result.chroma_format = 0;
529       break;
530    case PIPE_VIDEO_CHROMA_FORMAT_420:
531       result.chroma_format = 1;
532       break;
533    case PIPE_VIDEO_CHROMA_FORMAT_422:
534       result.chroma_format = 2;
535       break;
536    case PIPE_VIDEO_CHROMA_FORMAT_444:
537       result.chroma_format = 3;
538       break;
539    case PIPE_VIDEO_CHROMA_FORMAT_440:
540       result.chroma_format = 4;
541       break;
542    }
543 
544    result.pps_info_flags = 0;
545    result.pps_info_flags |= pic->pps->transform_8x8_mode_flag << 0;
546    result.pps_info_flags |= pic->pps->redundant_pic_cnt_present_flag << 1;
547    result.pps_info_flags |= pic->pps->constrained_intra_pred_flag << 2;
548    result.pps_info_flags |= pic->pps->deblocking_filter_control_present_flag << 3;
549    result.pps_info_flags |= pic->pps->weighted_bipred_idc << 4;
550    result.pps_info_flags |= pic->pps->weighted_pred_flag << 6;
551    result.pps_info_flags |= pic->pps->bottom_field_pic_order_in_frame_present_flag << 7;
552    result.pps_info_flags |= pic->pps->entropy_coding_mode_flag << 8;
553 
554    result.num_slice_groups_minus1 = pic->pps->num_slice_groups_minus1;
555    result.slice_group_map_type = pic->pps->slice_group_map_type;
556    result.slice_group_change_rate_minus1 = pic->pps->slice_group_change_rate_minus1;
557    result.pic_init_qp_minus26 = pic->pps->pic_init_qp_minus26;
558    result.chroma_qp_index_offset = pic->pps->chroma_qp_index_offset;
559    result.second_chroma_qp_index_offset = pic->pps->second_chroma_qp_index_offset;
560 
561    memcpy(result.scaling_list_4x4, pic->pps->ScalingList4x4, 6 * 16);
562    memcpy(result.scaling_list_8x8, pic->pps->ScalingList8x8, 2 * 64);
563 
564    if (dec->stream_type == RUVD_CODEC_H264_PERF) {
565       memcpy(dec->it, result.scaling_list_4x4, 6 * 16);
566       memcpy((dec->it + 96), result.scaling_list_8x8, 2 * 64);
567    }
568 
569    result.num_ref_frames = pic->num_ref_frames;
570 
571    result.num_ref_idx_l0_active_minus1 = pic->num_ref_idx_l0_active_minus1;
572    result.num_ref_idx_l1_active_minus1 = pic->num_ref_idx_l1_active_minus1;
573 
574    result.frame_num = pic->frame_num;
575    memcpy(result.frame_num_list, pic->frame_num_list, 4 * 16);
576    result.curr_field_order_cnt_list[0] = pic->field_order_cnt[0];
577    result.curr_field_order_cnt_list[1] = pic->field_order_cnt[1];
578    memcpy(result.field_order_cnt_list, pic->field_order_cnt_list, 4 * 16 * 2);
579 
580    result.decoded_pic_idx = pic->frame_num;
581 
582    return result;
583 }
584 
585 /* get h265 specific message bits */
get_h265_msg(struct ruvd_decoder * dec,struct pipe_video_buffer * target,struct pipe_h265_picture_desc * pic)586 static struct ruvd_h265 get_h265_msg(struct ruvd_decoder *dec, struct pipe_video_buffer *target,
587                                      struct pipe_h265_picture_desc *pic)
588 {
589    struct ruvd_h265 result;
590    unsigned i, j;
591 
592    memset(&result, 0, sizeof(result));
593 
594    result.sps_info_flags = 0;
595    result.sps_info_flags |= pic->pps->sps->scaling_list_enabled_flag << 0;
596    result.sps_info_flags |= pic->pps->sps->amp_enabled_flag << 1;
597    result.sps_info_flags |= pic->pps->sps->sample_adaptive_offset_enabled_flag << 2;
598    result.sps_info_flags |= pic->pps->sps->pcm_enabled_flag << 3;
599    result.sps_info_flags |= pic->pps->sps->pcm_loop_filter_disabled_flag << 4;
600    result.sps_info_flags |= pic->pps->sps->long_term_ref_pics_present_flag << 5;
601    result.sps_info_flags |= pic->pps->sps->sps_temporal_mvp_enabled_flag << 6;
602    result.sps_info_flags |= pic->pps->sps->strong_intra_smoothing_enabled_flag << 7;
603    result.sps_info_flags |= pic->pps->sps->separate_colour_plane_flag << 8;
604    if (((struct si_screen *)dec->screen)->info.family == CHIP_CARRIZO)
605       result.sps_info_flags |= 1 << 9;
606    if (pic->UseRefPicList == true)
607       result.sps_info_flags |= 1 << 10;
608 
609    result.chroma_format = pic->pps->sps->chroma_format_idc;
610    result.bit_depth_luma_minus8 = pic->pps->sps->bit_depth_luma_minus8;
611    result.bit_depth_chroma_minus8 = pic->pps->sps->bit_depth_chroma_minus8;
612    result.log2_max_pic_order_cnt_lsb_minus4 = pic->pps->sps->log2_max_pic_order_cnt_lsb_minus4;
613    result.sps_max_dec_pic_buffering_minus1 = pic->pps->sps->sps_max_dec_pic_buffering_minus1;
614    result.log2_min_luma_coding_block_size_minus3 =
615       pic->pps->sps->log2_min_luma_coding_block_size_minus3;
616    result.log2_diff_max_min_luma_coding_block_size =
617       pic->pps->sps->log2_diff_max_min_luma_coding_block_size;
618    result.log2_min_transform_block_size_minus2 =
619       pic->pps->sps->log2_min_transform_block_size_minus2;
620    result.log2_diff_max_min_transform_block_size =
621       pic->pps->sps->log2_diff_max_min_transform_block_size;
622    result.max_transform_hierarchy_depth_inter = pic->pps->sps->max_transform_hierarchy_depth_inter;
623    result.max_transform_hierarchy_depth_intra = pic->pps->sps->max_transform_hierarchy_depth_intra;
624    result.pcm_sample_bit_depth_luma_minus1 = pic->pps->sps->pcm_sample_bit_depth_luma_minus1;
625    result.pcm_sample_bit_depth_chroma_minus1 = pic->pps->sps->pcm_sample_bit_depth_chroma_minus1;
626    result.log2_min_pcm_luma_coding_block_size_minus3 =
627       pic->pps->sps->log2_min_pcm_luma_coding_block_size_minus3;
628    result.log2_diff_max_min_pcm_luma_coding_block_size =
629       pic->pps->sps->log2_diff_max_min_pcm_luma_coding_block_size;
630    result.num_short_term_ref_pic_sets = pic->pps->sps->num_short_term_ref_pic_sets;
631 
632    result.pps_info_flags = 0;
633    result.pps_info_flags |= pic->pps->dependent_slice_segments_enabled_flag << 0;
634    result.pps_info_flags |= pic->pps->output_flag_present_flag << 1;
635    result.pps_info_flags |= pic->pps->sign_data_hiding_enabled_flag << 2;
636    result.pps_info_flags |= pic->pps->cabac_init_present_flag << 3;
637    result.pps_info_flags |= pic->pps->constrained_intra_pred_flag << 4;
638    result.pps_info_flags |= pic->pps->transform_skip_enabled_flag << 5;
639    result.pps_info_flags |= pic->pps->cu_qp_delta_enabled_flag << 6;
640    result.pps_info_flags |= pic->pps->pps_slice_chroma_qp_offsets_present_flag << 7;
641    result.pps_info_flags |= pic->pps->weighted_pred_flag << 8;
642    result.pps_info_flags |= pic->pps->weighted_bipred_flag << 9;
643    result.pps_info_flags |= pic->pps->transquant_bypass_enabled_flag << 10;
644    result.pps_info_flags |= pic->pps->tiles_enabled_flag << 11;
645    result.pps_info_flags |= pic->pps->entropy_coding_sync_enabled_flag << 12;
646    result.pps_info_flags |= pic->pps->uniform_spacing_flag << 13;
647    result.pps_info_flags |= pic->pps->loop_filter_across_tiles_enabled_flag << 14;
648    result.pps_info_flags |= pic->pps->pps_loop_filter_across_slices_enabled_flag << 15;
649    result.pps_info_flags |= pic->pps->deblocking_filter_override_enabled_flag << 16;
650    result.pps_info_flags |= pic->pps->pps_deblocking_filter_disabled_flag << 17;
651    result.pps_info_flags |= pic->pps->lists_modification_present_flag << 18;
652    result.pps_info_flags |= pic->pps->slice_segment_header_extension_present_flag << 19;
653    // result.pps_info_flags |= pic->pps->deblocking_filter_control_present_flag; ???
654 
655    result.num_extra_slice_header_bits = pic->pps->num_extra_slice_header_bits;
656    result.num_long_term_ref_pic_sps = pic->pps->sps->num_long_term_ref_pics_sps;
657    result.num_ref_idx_l0_default_active_minus1 = pic->pps->num_ref_idx_l0_default_active_minus1;
658    result.num_ref_idx_l1_default_active_minus1 = pic->pps->num_ref_idx_l1_default_active_minus1;
659    result.pps_cb_qp_offset = pic->pps->pps_cb_qp_offset;
660    result.pps_cr_qp_offset = pic->pps->pps_cr_qp_offset;
661    result.pps_beta_offset_div2 = pic->pps->pps_beta_offset_div2;
662    result.pps_tc_offset_div2 = pic->pps->pps_tc_offset_div2;
663    result.diff_cu_qp_delta_depth = pic->pps->diff_cu_qp_delta_depth;
664    result.num_tile_columns_minus1 = pic->pps->num_tile_columns_minus1;
665    result.num_tile_rows_minus1 = pic->pps->num_tile_rows_minus1;
666    result.log2_parallel_merge_level_minus2 = pic->pps->log2_parallel_merge_level_minus2;
667    result.init_qp_minus26 = pic->pps->init_qp_minus26;
668 
669    for (i = 0; i < 19; ++i)
670       result.column_width_minus1[i] = pic->pps->column_width_minus1[i];
671 
672    for (i = 0; i < 21; ++i)
673       result.row_height_minus1[i] = pic->pps->row_height_minus1[i];
674 
675    result.num_delta_pocs_ref_rps_idx = pic->NumDeltaPocsOfRefRpsIdx;
676    result.curr_poc = pic->CurrPicOrderCntVal;
677 
678    for (i = 0; i < 16; i++) {
679       for (j = 0; (pic->ref[j] != NULL) && (j < 16); j++) {
680          if (dec->render_pic_list[i] == pic->ref[j])
681             break;
682          if (j == 15)
683             dec->render_pic_list[i] = NULL;
684          else if (pic->ref[j + 1] == NULL)
685             dec->render_pic_list[i] = NULL;
686       }
687    }
688    for (i = 0; i < 16; i++) {
689       if (dec->render_pic_list[i] == NULL) {
690          dec->render_pic_list[i] = target;
691          result.curr_idx = i;
692          break;
693       }
694    }
695 
696    vl_video_buffer_set_associated_data(target, &dec->base, (void *)(uintptr_t)result.curr_idx,
697                                        &ruvd_destroy_associated_data);
698 
699    for (i = 0; i < 16; ++i) {
700       struct pipe_video_buffer *ref = pic->ref[i];
701       uintptr_t ref_pic = 0;
702 
703       result.poc_list[i] = pic->PicOrderCntVal[i];
704 
705       if (ref)
706          ref_pic = (uintptr_t)vl_video_buffer_get_associated_data(ref, &dec->base);
707       else
708          ref_pic = 0x7F;
709       result.ref_pic_list[i] = ref_pic;
710    }
711 
712    for (i = 0; i < 8; ++i) {
713       result.ref_pic_set_st_curr_before[i] = 0xFF;
714       result.ref_pic_set_st_curr_after[i] = 0xFF;
715       result.ref_pic_set_lt_curr[i] = 0xFF;
716    }
717 
718    for (i = 0; i < pic->NumPocStCurrBefore; ++i)
719       result.ref_pic_set_st_curr_before[i] = pic->RefPicSetStCurrBefore[i];
720 
721    for (i = 0; i < pic->NumPocStCurrAfter; ++i)
722       result.ref_pic_set_st_curr_after[i] = pic->RefPicSetStCurrAfter[i];
723 
724    for (i = 0; i < pic->NumPocLtCurr; ++i)
725       result.ref_pic_set_lt_curr[i] = pic->RefPicSetLtCurr[i];
726 
727    for (i = 0; i < 6; ++i)
728       result.ucScalingListDCCoefSizeID2[i] = pic->pps->sps->ScalingListDCCoeff16x16[i];
729 
730    for (i = 0; i < 2; ++i)
731       result.ucScalingListDCCoefSizeID3[i] = pic->pps->sps->ScalingListDCCoeff32x32[i];
732 
733    memcpy(dec->it, pic->pps->sps->ScalingList4x4, 6 * 16);
734    memcpy(dec->it + 96, pic->pps->sps->ScalingList8x8, 6 * 64);
735    memcpy(dec->it + 480, pic->pps->sps->ScalingList16x16, 6 * 64);
736    memcpy(dec->it + 864, pic->pps->sps->ScalingList32x32, 2 * 64);
737 
738    for (i = 0; i < 2; i++) {
739       for (j = 0; j < 15; j++)
740          result.direct_reflist[i][j] = pic->RefPicList[0][i][j];
741    }
742 
743    if (pic->base.profile == PIPE_VIDEO_PROFILE_HEVC_MAIN_10) {
744       if (target->buffer_format == PIPE_FORMAT_P010 || target->buffer_format == PIPE_FORMAT_P016) {
745          result.p010_mode = 1;
746          result.msb_mode = 1;
747       } else {
748          result.luma_10to8 = 5;
749          result.chroma_10to8 = 5;
750          result.sclr_luma10to8 = 4;
751          result.sclr_chroma10to8 = 4;
752       }
753    }
754 
755    /* TODO
756    result.highestTid;
757    result.isNonRef;
758 
759    IDRPicFlag;
760    RAPPicFlag;
761    NumPocTotalCurr;
762    NumShortTermPictureSliceHeaderBits;
763    NumLongTermPictureSliceHeaderBits;
764 
765    IsLongTerm[16];
766    */
767 
768    return result;
769 }
770 
771 /* get vc1 specific message bits */
get_vc1_msg(struct pipe_vc1_picture_desc * pic)772 static struct ruvd_vc1 get_vc1_msg(struct pipe_vc1_picture_desc *pic)
773 {
774    struct ruvd_vc1 result;
775 
776    memset(&result, 0, sizeof(result));
777 
778    switch (pic->base.profile) {
779    case PIPE_VIDEO_PROFILE_VC1_SIMPLE:
780       result.profile = RUVD_VC1_PROFILE_SIMPLE;
781       result.level = 1;
782       break;
783 
784    case PIPE_VIDEO_PROFILE_VC1_MAIN:
785       result.profile = RUVD_VC1_PROFILE_MAIN;
786       result.level = 2;
787       break;
788 
789    case PIPE_VIDEO_PROFILE_VC1_ADVANCED:
790       result.profile = RUVD_VC1_PROFILE_ADVANCED;
791       result.level = 4;
792       break;
793 
794    default:
795       assert(0);
796    }
797 
798    /* fields common for all profiles */
799    result.sps_info_flags |= pic->postprocflag << 7;
800    result.sps_info_flags |= pic->pulldown << 6;
801    result.sps_info_flags |= pic->interlace << 5;
802    result.sps_info_flags |= pic->tfcntrflag << 4;
803    result.sps_info_flags |= pic->finterpflag << 3;
804    result.sps_info_flags |= pic->psf << 1;
805 
806    result.pps_info_flags |= pic->range_mapy_flag << 31;
807    result.pps_info_flags |= pic->range_mapy << 28;
808    result.pps_info_flags |= pic->range_mapuv_flag << 27;
809    result.pps_info_flags |= pic->range_mapuv << 24;
810    result.pps_info_flags |= pic->multires << 21;
811    result.pps_info_flags |= pic->maxbframes << 16;
812    result.pps_info_flags |= pic->overlap << 11;
813    result.pps_info_flags |= pic->quantizer << 9;
814    result.pps_info_flags |= pic->panscan_flag << 7;
815    result.pps_info_flags |= pic->refdist_flag << 6;
816    result.pps_info_flags |= pic->vstransform << 0;
817 
818    /* some fields only apply to main/advanced profile */
819    if (pic->base.profile != PIPE_VIDEO_PROFILE_VC1_SIMPLE) {
820       result.pps_info_flags |= pic->syncmarker << 20;
821       result.pps_info_flags |= pic->rangered << 19;
822       result.pps_info_flags |= pic->loopfilter << 5;
823       result.pps_info_flags |= pic->fastuvmc << 4;
824       result.pps_info_flags |= pic->extended_mv << 3;
825       result.pps_info_flags |= pic->extended_dmv << 8;
826       result.pps_info_flags |= pic->dquant << 1;
827    }
828 
829    result.chroma_format = 1;
830 
831 #if 0
832 //(((unsigned int)(pPicParams->advance.reserved1)) << SPS_INFO_VC1_RESERVED_SHIFT)
833 uint32_t  slice_count
834 uint8_t   picture_type
835 uint8_t   frame_coding_mode
836 uint8_t   deblockEnable
837 uint8_t   pquant
838 #endif
839 
840    return result;
841 }
842 
843 /* extract the frame number from a referenced video buffer */
get_ref_pic_idx(struct ruvd_decoder * dec,struct pipe_video_buffer * ref)844 static uint32_t get_ref_pic_idx(struct ruvd_decoder *dec, struct pipe_video_buffer *ref)
845 {
846    uint32_t min = MAX2(dec->frame_number, NUM_MPEG2_REFS) - NUM_MPEG2_REFS;
847    uint32_t max = MAX2(dec->frame_number, 1) - 1;
848    uintptr_t frame;
849 
850    /* seems to be the most sane fallback */
851    if (!ref)
852       return max;
853 
854    /* get the frame number from the associated data */
855    frame = (uintptr_t)vl_video_buffer_get_associated_data(ref, &dec->base);
856 
857    /* limit the frame number to a valid range */
858    return MAX2(MIN2(frame, max), min);
859 }
860 
861 /* get mpeg2 specific msg bits */
get_mpeg2_msg(struct ruvd_decoder * dec,struct pipe_mpeg12_picture_desc * pic)862 static struct ruvd_mpeg2 get_mpeg2_msg(struct ruvd_decoder *dec,
863                                        struct pipe_mpeg12_picture_desc *pic)
864 {
865    const int *zscan = pic->alternate_scan ? vl_zscan_alternate : vl_zscan_normal;
866    struct ruvd_mpeg2 result;
867    unsigned i;
868 
869    memset(&result, 0, sizeof(result));
870    result.decoded_pic_idx = dec->frame_number;
871    for (i = 0; i < 2; ++i)
872       result.ref_pic_idx[i] = get_ref_pic_idx(dec, pic->ref[i]);
873 
874    if (pic->intra_matrix) {
875       result.load_intra_quantiser_matrix = 1;
876       for (i = 0; i < 64; ++i) {
877          result.intra_quantiser_matrix[i] = pic->intra_matrix[zscan[i]];
878       }
879    }
880    if (pic->non_intra_matrix) {
881       result.load_nonintra_quantiser_matrix = 1;
882       for (i = 0; i < 64; ++i) {
883          result.nonintra_quantiser_matrix[i] = pic->non_intra_matrix[zscan[i]];
884       }
885    }
886 
887    result.profile_and_level_indication = 0;
888    result.chroma_format = 0x1;
889 
890    result.picture_coding_type = pic->picture_coding_type;
891    result.f_code[0][0] = pic->f_code[0][0] + 1;
892    result.f_code[0][1] = pic->f_code[0][1] + 1;
893    result.f_code[1][0] = pic->f_code[1][0] + 1;
894    result.f_code[1][1] = pic->f_code[1][1] + 1;
895    result.intra_dc_precision = pic->intra_dc_precision;
896    result.pic_structure = pic->picture_structure;
897    result.top_field_first = pic->top_field_first;
898    result.frame_pred_frame_dct = pic->frame_pred_frame_dct;
899    result.concealment_motion_vectors = pic->concealment_motion_vectors;
900    result.q_scale_type = pic->q_scale_type;
901    result.intra_vlc_format = pic->intra_vlc_format;
902    result.alternate_scan = pic->alternate_scan;
903 
904    return result;
905 }
906 
907 /* get mpeg4 specific msg bits */
get_mpeg4_msg(struct ruvd_decoder * dec,struct pipe_mpeg4_picture_desc * pic)908 static struct ruvd_mpeg4 get_mpeg4_msg(struct ruvd_decoder *dec,
909                                        struct pipe_mpeg4_picture_desc *pic)
910 {
911    struct ruvd_mpeg4 result;
912    unsigned i;
913 
914    memset(&result, 0, sizeof(result));
915    result.decoded_pic_idx = dec->frame_number;
916    for (i = 0; i < 2; ++i)
917       result.ref_pic_idx[i] = get_ref_pic_idx(dec, pic->ref[i]);
918 
919    result.variant_type = 0;
920    result.profile_and_level_indication = 0xF0; // ASP Level0
921 
922    result.video_object_layer_verid = 0x5; // advanced simple
923    result.video_object_layer_shape = 0x0; // rectangular
924 
925    result.video_object_layer_width = dec->base.width;
926    result.video_object_layer_height = dec->base.height;
927 
928    result.vop_time_increment_resolution = pic->vop_time_increment_resolution;
929 
930    result.flags |= pic->short_video_header << 0;
931    // result.flags |= obmc_disable << 1;
932    result.flags |= pic->interlaced << 2;
933    result.flags |= 1 << 3; // load_intra_quant_mat
934    result.flags |= 1 << 4; // load_nonintra_quant_mat
935    result.flags |= pic->quarter_sample << 5;
936    result.flags |= 1 << 6; // complexity_estimation_disable
937    result.flags |= pic->resync_marker_disable << 7;
938    // result.flags |= data_partitioned << 8;
939    // result.flags |= reversible_vlc << 9;
940    result.flags |= 0 << 10; // newpred_enable
941    result.flags |= 0 << 11; // reduced_resolution_vop_enable
942    // result.flags |= scalability << 12;
943    // result.flags |= is_object_layer_identifier << 13;
944    // result.flags |= fixed_vop_rate << 14;
945    // result.flags |= newpred_segment_type << 15;
946 
947    result.quant_type = pic->quant_type;
948 
949    for (i = 0; i < 64; ++i) {
950       result.intra_quant_mat[i] = pic->intra_matrix[vl_zscan_normal[i]];
951       result.nonintra_quant_mat[i] = pic->non_intra_matrix[vl_zscan_normal[i]];
952    }
953 
954    /*
955    int32_t    trd [2]
956    int32_t    trb [2]
957    uint8_t    vop_coding_type
958    uint8_t    vop_fcode_forward
959    uint8_t    vop_fcode_backward
960    uint8_t    rounding_control
961    uint8_t    alternate_vertical_scan_flag
962    uint8_t    top_field_first
963    */
964 
965    return result;
966 }
967 
968 /**
969  * destroy this video decoder
970  */
ruvd_destroy(struct pipe_video_codec * decoder)971 static void ruvd_destroy(struct pipe_video_codec *decoder)
972 {
973    struct ruvd_decoder *dec = (struct ruvd_decoder *)decoder;
974    unsigned i;
975 
976    assert(decoder);
977 
978    map_msg_fb_it_buf(dec);
979    dec->msg->size = sizeof(*dec->msg);
980    dec->msg->msg_type = RUVD_MSG_DESTROY;
981    dec->msg->stream_handle = dec->stream_handle;
982    send_msg_buf(dec);
983 
984    flush(dec, 0, NULL);
985 
986    dec->ws->cs_destroy(&dec->cs);
987 
988    for (i = 0; i < NUM_BUFFERS; ++i) {
989       si_vid_destroy_buffer(&dec->msg_fb_it_buffers[i]);
990       si_vid_destroy_buffer(&dec->bs_buffers[i]);
991    }
992 
993    si_vid_destroy_buffer(&dec->dpb);
994    si_vid_destroy_buffer(&dec->ctx);
995    si_vid_destroy_buffer(&dec->sessionctx);
996 
997    FREE(dec);
998 }
999 
1000 /**
1001  * start decoding of a new frame
1002  */
ruvd_begin_frame(struct pipe_video_codec * decoder,struct pipe_video_buffer * target,struct pipe_picture_desc * picture)1003 static void ruvd_begin_frame(struct pipe_video_codec *decoder, struct pipe_video_buffer *target,
1004                              struct pipe_picture_desc *picture)
1005 {
1006    struct ruvd_decoder *dec = (struct ruvd_decoder *)decoder;
1007    uintptr_t frame;
1008 
1009    assert(decoder);
1010 
1011    frame = ++dec->frame_number;
1012    vl_video_buffer_set_associated_data(target, decoder, (void *)frame,
1013                                        &ruvd_destroy_associated_data);
1014 
1015    dec->bs_size = 0;
1016    dec->bs_ptr = dec->ws->buffer_map(dec->ws, dec->bs_buffers[dec->cur_buffer].res->buf, &dec->cs,
1017                                      PIPE_MAP_WRITE | RADEON_MAP_TEMPORARY);
1018 }
1019 
1020 /**
1021  * decode a macroblock
1022  */
ruvd_decode_macroblock(struct pipe_video_codec * decoder,struct pipe_video_buffer * target,struct pipe_picture_desc * picture,const struct pipe_macroblock * macroblocks,unsigned num_macroblocks)1023 static void ruvd_decode_macroblock(struct pipe_video_codec *decoder,
1024                                    struct pipe_video_buffer *target,
1025                                    struct pipe_picture_desc *picture,
1026                                    const struct pipe_macroblock *macroblocks,
1027                                    unsigned num_macroblocks)
1028 {
1029    /* not supported (yet) */
1030    assert(0);
1031 }
1032 
1033 /**
1034  * decode a bitstream
1035  */
ruvd_decode_bitstream(struct pipe_video_codec * decoder,struct pipe_video_buffer * target,struct pipe_picture_desc * picture,unsigned num_buffers,const void * const * buffers,const unsigned * sizes)1036 static void ruvd_decode_bitstream(struct pipe_video_codec *decoder,
1037                                   struct pipe_video_buffer *target,
1038                                   struct pipe_picture_desc *picture, unsigned num_buffers,
1039                                   const void *const *buffers, const unsigned *sizes)
1040 {
1041    struct ruvd_decoder *dec = (struct ruvd_decoder *)decoder;
1042    unsigned i;
1043 
1044    assert(decoder);
1045 
1046    if (!dec->bs_ptr)
1047       return;
1048 
1049    unsigned long total_bs_size = dec->bs_size;
1050    for (i = 0; i < num_buffers; ++i)
1051       total_bs_size += sizes[i];
1052 
1053    struct rvid_buffer *buf = &dec->bs_buffers[dec->cur_buffer];
1054 
1055    if (total_bs_size > buf->res->buf->size) {
1056       dec->ws->buffer_unmap(dec->ws, buf->res->buf);
1057       dec->bs_ptr = NULL;
1058 
1059       total_bs_size = align(total_bs_size, 128);
1060 
1061       if (!dec->bs_size) {
1062          struct rvid_buffer old_buf = *buf;
1063          if (!si_vid_create_buffer(dec->screen, buf, total_bs_size, buf->usage)) {
1064             RVID_ERR("Can't create bitstream buffer!");
1065             return;
1066          }
1067          si_vid_destroy_buffer(&old_buf);
1068       } else if (!si_vid_resize_buffer(dec->base.context, &dec->cs, buf, total_bs_size, NULL)) {
1069          RVID_ERR("Can't resize bitstream buffer!");
1070          return;
1071       }
1072 
1073       dec->bs_ptr = dec->ws->buffer_map(dec->ws, buf->res->buf, &dec->cs,
1074                                         PIPE_MAP_WRITE | RADEON_MAP_TEMPORARY);
1075       if (!dec->bs_ptr)
1076          return;
1077 
1078       dec->bs_ptr += dec->bs_size;
1079    }
1080 
1081    for (i = 0; i < num_buffers; ++i) {
1082       memcpy(dec->bs_ptr, buffers[i], sizes[i]);
1083       dec->bs_size += sizes[i];
1084       dec->bs_ptr += sizes[i];
1085    }
1086 }
1087 
1088 /**
1089  * end decoding of the current frame
1090  */
ruvd_end_frame(struct pipe_video_codec * decoder,struct pipe_video_buffer * target,struct pipe_picture_desc * picture)1091 static int ruvd_end_frame(struct pipe_video_codec *decoder, struct pipe_video_buffer *target,
1092                            struct pipe_picture_desc *picture)
1093 {
1094    struct ruvd_decoder *dec = (struct ruvd_decoder *)decoder;
1095    struct pb_buffer_lean *dt;
1096    struct rvid_buffer *msg_fb_it_buf, *bs_buf;
1097    unsigned bs_size;
1098 
1099    assert(decoder);
1100 
1101    if (!dec->bs_ptr)
1102       return 1;
1103 
1104    msg_fb_it_buf = &dec->msg_fb_it_buffers[dec->cur_buffer];
1105    bs_buf = &dec->bs_buffers[dec->cur_buffer];
1106 
1107    bs_size = align(dec->bs_size, 128);
1108    memset(dec->bs_ptr, 0, bs_size - dec->bs_size);
1109    dec->ws->buffer_unmap(dec->ws, bs_buf->res->buf);
1110 
1111    map_msg_fb_it_buf(dec);
1112    dec->msg->size = sizeof(*dec->msg);
1113    dec->msg->msg_type = RUVD_MSG_DECODE;
1114    dec->msg->stream_handle = dec->stream_handle;
1115    dec->msg->status_report_feedback_number = dec->frame_number;
1116 
1117    dec->msg->body.decode.stream_type = dec->stream_type;
1118    dec->msg->body.decode.decode_flags = 0x1;
1119    dec->msg->body.decode.width_in_samples = dec->base.width;
1120    dec->msg->body.decode.height_in_samples = dec->base.height;
1121 
1122    if ((picture->profile == PIPE_VIDEO_PROFILE_VC1_SIMPLE) ||
1123        (picture->profile == PIPE_VIDEO_PROFILE_VC1_MAIN)) {
1124       dec->msg->body.decode.width_in_samples =
1125          align(dec->msg->body.decode.width_in_samples, 16) / 16;
1126       dec->msg->body.decode.height_in_samples =
1127          align(dec->msg->body.decode.height_in_samples, 16) / 16;
1128    }
1129 
1130    if (dec->dpb.res)
1131       dec->msg->body.decode.dpb_size = dec->dpb.res->buf->size;
1132    dec->msg->body.decode.bsd_size = bs_size;
1133    dec->msg->body.decode.db_pitch = align(dec->base.width, get_db_pitch_alignment(dec));
1134 
1135    if (dec->stream_type == RUVD_CODEC_H264_PERF &&
1136        ((struct si_screen *)dec->screen)->info.family >= CHIP_POLARIS10)
1137       dec->msg->body.decode.dpb_reserved = dec->ctx.res->buf->size;
1138 
1139    dt = dec->set_dtb(dec->msg, (struct vl_video_buffer *)target);
1140    if (((struct si_screen *)dec->screen)->info.family >= CHIP_STONEY)
1141       dec->msg->body.decode.dt_wa_chroma_top_offset = dec->msg->body.decode.dt_pitch / 2;
1142 
1143    switch (u_reduce_video_profile(picture->profile)) {
1144    case PIPE_VIDEO_FORMAT_MPEG4_AVC:
1145       dec->msg->body.decode.codec.h264 =
1146          get_h264_msg(dec, (struct pipe_h264_picture_desc *)picture);
1147       break;
1148 
1149    case PIPE_VIDEO_FORMAT_HEVC:
1150       dec->msg->body.decode.codec.h265 =
1151          get_h265_msg(dec, target, (struct pipe_h265_picture_desc *)picture);
1152       if (dec->ctx.res == NULL) {
1153          unsigned ctx_size;
1154          if (dec->base.profile == PIPE_VIDEO_PROFILE_HEVC_MAIN_10)
1155             ctx_size = calc_ctx_size_h265_main10(dec, (struct pipe_h265_picture_desc *)picture);
1156          else
1157             ctx_size = calc_ctx_size_h265_main(dec);
1158          if (!si_vid_create_buffer(dec->screen, &dec->ctx, ctx_size, PIPE_USAGE_DEFAULT)) {
1159             RVID_ERR("Can't allocated context buffer.\n");
1160          }
1161       }
1162 
1163       if (dec->ctx.res)
1164          dec->msg->body.decode.dpb_reserved = dec->ctx.res->buf->size;
1165       break;
1166 
1167    case PIPE_VIDEO_FORMAT_VC1:
1168       dec->msg->body.decode.codec.vc1 = get_vc1_msg((struct pipe_vc1_picture_desc *)picture);
1169       break;
1170 
1171    case PIPE_VIDEO_FORMAT_MPEG12:
1172       dec->msg->body.decode.codec.mpeg2 =
1173          get_mpeg2_msg(dec, (struct pipe_mpeg12_picture_desc *)picture);
1174       break;
1175 
1176    case PIPE_VIDEO_FORMAT_MPEG4:
1177       dec->msg->body.decode.codec.mpeg4 =
1178          get_mpeg4_msg(dec, (struct pipe_mpeg4_picture_desc *)picture);
1179       break;
1180 
1181    case PIPE_VIDEO_FORMAT_JPEG:
1182       break;
1183 
1184    default:
1185       assert(0);
1186       return 1;
1187    }
1188 
1189    dec->msg->body.decode.db_surf_tile_config = dec->msg->body.decode.dt_surf_tile_config;
1190    dec->msg->body.decode.extension_support = 0x1;
1191 
1192    /* set at least the feedback buffer size */
1193    dec->fb[0] = dec->fb_size;
1194 
1195    send_msg_buf(dec);
1196 
1197    if (dec->dpb.res)
1198       send_cmd(dec, RUVD_CMD_DPB_BUFFER, dec->dpb.res->buf, 0, RADEON_USAGE_READWRITE,
1199                RADEON_DOMAIN_VRAM);
1200 
1201    if (dec->ctx.res)
1202       send_cmd(dec, RUVD_CMD_CONTEXT_BUFFER, dec->ctx.res->buf, 0, RADEON_USAGE_READWRITE,
1203                RADEON_DOMAIN_VRAM);
1204    send_cmd(dec, RUVD_CMD_BITSTREAM_BUFFER, bs_buf->res->buf, 0, RADEON_USAGE_READ,
1205             RADEON_DOMAIN_GTT);
1206    send_cmd(dec, RUVD_CMD_DECODING_TARGET_BUFFER, dt, 0, RADEON_USAGE_WRITE, RADEON_DOMAIN_VRAM);
1207    send_cmd(dec, RUVD_CMD_FEEDBACK_BUFFER, msg_fb_it_buf->res->buf, FB_BUFFER_OFFSET,
1208             RADEON_USAGE_WRITE, RADEON_DOMAIN_GTT);
1209    if (have_it(dec))
1210       send_cmd(dec, RUVD_CMD_ITSCALING_TABLE_BUFFER, msg_fb_it_buf->res->buf,
1211                FB_BUFFER_OFFSET + dec->fb_size, RADEON_USAGE_READ, RADEON_DOMAIN_GTT);
1212    set_reg(dec, dec->reg.cntl, 1);
1213 
1214    flush(dec, picture->flush_flags, picture->fence);
1215    next_buffer(dec);
1216    return 0;
1217 }
1218 
1219 /**
1220  * flush any outstanding command buffers to the hardware
1221  */
ruvd_flush(struct pipe_video_codec * decoder)1222 static void ruvd_flush(struct pipe_video_codec *decoder)
1223 {
1224 }
1225 
1226 /**
1227  * create and UVD decoder
1228  */
si_common_uvd_create_decoder(struct pipe_context * context,const struct pipe_video_codec * templ,ruvd_set_dtb set_dtb)1229 struct pipe_video_codec *si_common_uvd_create_decoder(struct pipe_context *context,
1230                                                       const struct pipe_video_codec *templ,
1231                                                       ruvd_set_dtb set_dtb)
1232 {
1233    struct si_context *sctx = (struct si_context *)context;
1234    struct radeon_winsys *ws = sctx->ws;
1235    unsigned dpb_size;
1236    unsigned width = templ->width, height = templ->height;
1237    unsigned bs_buf_size;
1238    struct ruvd_decoder *dec;
1239    int r, i;
1240 
1241    switch (u_reduce_video_profile(templ->profile)) {
1242    case PIPE_VIDEO_FORMAT_MPEG12:
1243       if (templ->entrypoint > PIPE_VIDEO_ENTRYPOINT_BITSTREAM)
1244          return vl_create_mpeg12_decoder(context, templ);
1245 
1246       FALLTHROUGH;
1247    case PIPE_VIDEO_FORMAT_MPEG4:
1248       width = align(width, VL_MACROBLOCK_WIDTH);
1249       height = align(height, VL_MACROBLOCK_HEIGHT);
1250       break;
1251    case PIPE_VIDEO_FORMAT_MPEG4_AVC:
1252       width = align(width, VL_MACROBLOCK_WIDTH);
1253       height = align(height, VL_MACROBLOCK_HEIGHT);
1254       break;
1255 
1256    default:
1257       break;
1258    }
1259 
1260    dec = CALLOC_STRUCT(ruvd_decoder);
1261 
1262    if (!dec)
1263       return NULL;
1264 
1265    if (!sctx->screen->info.is_amdgpu)
1266       dec->use_legacy = true;
1267 
1268    dec->base = *templ;
1269    dec->base.context = context;
1270    dec->base.width = width;
1271    dec->base.height = height;
1272 
1273    dec->base.destroy = ruvd_destroy;
1274    dec->base.begin_frame = ruvd_begin_frame;
1275    dec->base.decode_macroblock = ruvd_decode_macroblock;
1276    dec->base.decode_bitstream = ruvd_decode_bitstream;
1277    dec->base.end_frame = ruvd_end_frame;
1278    dec->base.flush = ruvd_flush;
1279    dec->base.fence_wait = ruvd_dec_fence_wait;
1280    dec->base.destroy_fence = ruvd_dec_destroy_fence;
1281 
1282    dec->stream_type = profile2stream_type(dec, sctx->family);
1283    dec->set_dtb = set_dtb;
1284    dec->stream_handle = si_vid_alloc_stream_handle();
1285    dec->screen = context->screen;
1286    dec->ws = ws;
1287 
1288    if (!ws->cs_create(&dec->cs, sctx->ctx, AMD_IP_UVD, NULL, NULL)) {
1289       RVID_ERR("Can't get command submission context.\n");
1290       goto error;
1291    }
1292 
1293    for (i = 0; i < 16; i++)
1294       dec->render_pic_list[i] = NULL;
1295    dec->fb_size = (sctx->family == CHIP_TONGA) ? FB_BUFFER_SIZE_TONGA : FB_BUFFER_SIZE;
1296    bs_buf_size = align(width * height / 32, 128);
1297    for (i = 0; i < NUM_BUFFERS; ++i) {
1298       unsigned msg_fb_it_size = FB_BUFFER_OFFSET + dec->fb_size;
1299       STATIC_ASSERT(sizeof(struct ruvd_msg) <= FB_BUFFER_OFFSET);
1300       if (have_it(dec))
1301          msg_fb_it_size += IT_SCALING_TABLE_SIZE;
1302       if (!si_vid_create_buffer(dec->screen, &dec->msg_fb_it_buffers[i], msg_fb_it_size,
1303                                 PIPE_USAGE_STAGING)) {
1304          RVID_ERR("Can't allocated message buffers.\n");
1305          goto error;
1306       }
1307 
1308       if (!si_vid_create_buffer(dec->screen, &dec->bs_buffers[i], bs_buf_size,
1309                                 PIPE_USAGE_STAGING)) {
1310          RVID_ERR("Can't allocated bitstream buffers.\n");
1311          goto error;
1312       }
1313    }
1314 
1315    dpb_size = calc_dpb_size(dec);
1316    if (dpb_size) {
1317       if (!si_vid_create_buffer(dec->screen, &dec->dpb, dpb_size, PIPE_USAGE_DEFAULT)) {
1318          RVID_ERR("Can't allocated dpb.\n");
1319          goto error;
1320       }
1321    }
1322 
1323    if (dec->stream_type == RUVD_CODEC_H264_PERF && sctx->family >= CHIP_POLARIS10) {
1324       unsigned ctx_size = calc_ctx_size_h264_perf(dec);
1325       if (!si_vid_create_buffer(dec->screen, &dec->ctx, ctx_size, PIPE_USAGE_DEFAULT)) {
1326          RVID_ERR("Can't allocated context buffer.\n");
1327          goto error;
1328       }
1329    }
1330 
1331    if (sctx->family >= CHIP_POLARIS10) {
1332       if (!si_vid_create_buffer(dec->screen, &dec->sessionctx, UVD_SESSION_CONTEXT_SIZE,
1333                                 PIPE_USAGE_DEFAULT)) {
1334          RVID_ERR("Can't allocated session ctx.\n");
1335          goto error;
1336       }
1337    }
1338 
1339    if (sctx->family >= CHIP_VEGA10) {
1340       dec->reg.data0 = RUVD_GPCOM_VCPU_DATA0_SOC15;
1341       dec->reg.data1 = RUVD_GPCOM_VCPU_DATA1_SOC15;
1342       dec->reg.cmd = RUVD_GPCOM_VCPU_CMD_SOC15;
1343       dec->reg.cntl = RUVD_ENGINE_CNTL_SOC15;
1344    } else {
1345       dec->reg.data0 = RUVD_GPCOM_VCPU_DATA0;
1346       dec->reg.data1 = RUVD_GPCOM_VCPU_DATA1;
1347       dec->reg.cmd = RUVD_GPCOM_VCPU_CMD;
1348       dec->reg.cntl = RUVD_ENGINE_CNTL;
1349    }
1350 
1351    map_msg_fb_it_buf(dec);
1352    dec->msg->size = sizeof(*dec->msg);
1353    dec->msg->msg_type = RUVD_MSG_CREATE;
1354    dec->msg->stream_handle = dec->stream_handle;
1355    dec->msg->body.create.stream_type = dec->stream_type;
1356    dec->msg->body.create.width_in_samples = dec->base.width;
1357    dec->msg->body.create.height_in_samples = dec->base.height;
1358    dec->msg->body.create.dpb_size = dpb_size;
1359    send_msg_buf(dec);
1360    r = flush(dec, 0, NULL);
1361    if (r)
1362       goto error;
1363 
1364    next_buffer(dec);
1365 
1366    return &dec->base;
1367 
1368 error:
1369    dec->ws->cs_destroy(&dec->cs);
1370 
1371    for (i = 0; i < NUM_BUFFERS; ++i) {
1372       si_vid_destroy_buffer(&dec->msg_fb_it_buffers[i]);
1373       si_vid_destroy_buffer(&dec->bs_buffers[i]);
1374    }
1375 
1376    si_vid_destroy_buffer(&dec->dpb);
1377    si_vid_destroy_buffer(&dec->ctx);
1378    si_vid_destroy_buffer(&dec->sessionctx);
1379 
1380    FREE(dec);
1381 
1382    return NULL;
1383 }
1384 
1385 /* calculate top/bottom offset */
texture_offset(struct radeon_surf * surface,unsigned layer,enum ruvd_surface_type type)1386 static unsigned texture_offset(struct radeon_surf *surface, unsigned layer,
1387                                enum ruvd_surface_type type)
1388 {
1389    switch (type) {
1390    default:
1391    case RUVD_SURFACE_TYPE_LEGACY:
1392       return (uint64_t)surface->u.legacy.level[0].offset_256B * 256 +
1393              layer * (uint64_t)surface->u.legacy.level[0].slice_size_dw * 4;
1394       break;
1395    case RUVD_SURFACE_TYPE_GFX9:
1396       return surface->u.gfx9.surf_offset + layer * surface->u.gfx9.surf_slice_size;
1397       break;
1398    }
1399 }
1400 
1401 /* hw encode the aspect of macro tiles */
macro_tile_aspect(unsigned macro_tile_aspect)1402 static unsigned macro_tile_aspect(unsigned macro_tile_aspect)
1403 {
1404    switch (macro_tile_aspect) {
1405    default:
1406    case 1:
1407       macro_tile_aspect = 0;
1408       break;
1409    case 2:
1410       macro_tile_aspect = 1;
1411       break;
1412    case 4:
1413       macro_tile_aspect = 2;
1414       break;
1415    case 8:
1416       macro_tile_aspect = 3;
1417       break;
1418    }
1419    return macro_tile_aspect;
1420 }
1421 
1422 /* hw encode the bank width and height */
bank_wh(unsigned bankwh)1423 static unsigned bank_wh(unsigned bankwh)
1424 {
1425    switch (bankwh) {
1426    default:
1427    case 1:
1428       bankwh = 0;
1429       break;
1430    case 2:
1431       bankwh = 1;
1432       break;
1433    case 4:
1434       bankwh = 2;
1435       break;
1436    case 8:
1437       bankwh = 3;
1438       break;
1439    }
1440    return bankwh;
1441 }
1442 
1443 /**
1444  * fill decoding target field from the luma and chroma surfaces
1445  */
si_uvd_set_dt_surfaces(struct ruvd_msg * msg,struct radeon_surf * luma,struct radeon_surf * chroma,enum ruvd_surface_type type)1446 void si_uvd_set_dt_surfaces(struct ruvd_msg *msg, struct radeon_surf *luma,
1447                             struct radeon_surf *chroma, enum ruvd_surface_type type)
1448 {
1449    switch (type) {
1450    default:
1451    case RUVD_SURFACE_TYPE_LEGACY:
1452       msg->body.decode.dt_pitch = luma->u.legacy.level[0].nblk_x * luma->blk_w;
1453       switch (luma->u.legacy.level[0].mode) {
1454       case RADEON_SURF_MODE_LINEAR_ALIGNED:
1455          msg->body.decode.dt_tiling_mode = RUVD_TILE_LINEAR;
1456          msg->body.decode.dt_array_mode = RUVD_ARRAY_MODE_LINEAR;
1457          break;
1458       case RADEON_SURF_MODE_1D:
1459          msg->body.decode.dt_tiling_mode = RUVD_TILE_8X8;
1460          msg->body.decode.dt_array_mode = RUVD_ARRAY_MODE_1D_THIN;
1461          break;
1462       case RADEON_SURF_MODE_2D:
1463          msg->body.decode.dt_tiling_mode = RUVD_TILE_8X8;
1464          msg->body.decode.dt_array_mode = RUVD_ARRAY_MODE_2D_THIN;
1465          break;
1466       default:
1467          assert(0);
1468          break;
1469       }
1470 
1471       msg->body.decode.dt_luma_top_offset = texture_offset(luma, 0, type);
1472       if (chroma)
1473          msg->body.decode.dt_chroma_top_offset = texture_offset(chroma, 0, type);
1474       if (msg->body.decode.dt_field_mode) {
1475          msg->body.decode.dt_luma_bottom_offset = texture_offset(luma, 1, type);
1476          if (chroma)
1477             msg->body.decode.dt_chroma_bottom_offset = texture_offset(chroma, 1, type);
1478       } else {
1479          msg->body.decode.dt_luma_bottom_offset = msg->body.decode.dt_luma_top_offset;
1480          msg->body.decode.dt_chroma_bottom_offset = msg->body.decode.dt_chroma_top_offset;
1481       }
1482 
1483       if (chroma) {
1484          assert(luma->u.legacy.bankw == chroma->u.legacy.bankw);
1485          assert(luma->u.legacy.bankh == chroma->u.legacy.bankh);
1486          assert(luma->u.legacy.mtilea == chroma->u.legacy.mtilea);
1487       }
1488 
1489       msg->body.decode.dt_surf_tile_config |= RUVD_BANK_WIDTH(bank_wh(luma->u.legacy.bankw));
1490       msg->body.decode.dt_surf_tile_config |= RUVD_BANK_HEIGHT(bank_wh(luma->u.legacy.bankh));
1491       msg->body.decode.dt_surf_tile_config |=
1492          RUVD_MACRO_TILE_ASPECT_RATIO(macro_tile_aspect(luma->u.legacy.mtilea));
1493       break;
1494    case RUVD_SURFACE_TYPE_GFX9:
1495       msg->body.decode.dt_pitch = luma->u.gfx9.surf_pitch * luma->blk_w;
1496       msg->body.decode.dt_wa_chroma_bottom_offset = luma->u.gfx9.swizzle_mode;
1497       msg->body.decode.dt_luma_top_offset = texture_offset(luma, 0, type);
1498       msg->body.decode.dt_chroma_top_offset = texture_offset(chroma, 0, type);
1499       if (msg->body.decode.dt_field_mode) {
1500          msg->body.decode.dt_luma_bottom_offset = texture_offset(luma, 1, type);
1501          msg->body.decode.dt_chroma_bottom_offset = texture_offset(chroma, 1, type);
1502       } else {
1503          msg->body.decode.dt_luma_bottom_offset = msg->body.decode.dt_luma_top_offset;
1504          msg->body.decode.dt_chroma_bottom_offset = msg->body.decode.dt_chroma_top_offset;
1505       }
1506       msg->body.decode.dt_surf_tile_config = 0;
1507       break;
1508    }
1509 }
1510