1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
|
/*
* Mesa 3-D graphics library
*
* Copyright (C) 2012-2013 LunarG, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Authors:
* Chia-I Wu <olv@lunarg.com>
*/
#include "util/u_prim.h"
#include "core/intel_winsys.h"
#include "ilo_render.h"
#include "ilo_blit.h"
#include "ilo_context.h"
#include "ilo_cp.h"
#include "ilo_query.h"
#include "ilo_shader.h"
#include "ilo_state.h"
#include "ilo_draw.h"
static void
ilo_draw_set_owner(struct ilo_context *ilo)
{
ilo_cp_set_owner(ilo->cp, INTEL_RING_RENDER, &ilo->draw.cp_owner);
}
static uint64_t
query_timestamp_to_ns(const struct ilo_context *ilo, uint64_t timestamp)
{
/* see ilo_get_timestamp() */
return (timestamp & 0xffffffff) * 80;
}
/**
* Process the bo and accumulate the result. The bo is emptied.
*/
static void
query_process_bo(const struct ilo_context *ilo, struct ilo_query *q)
{
const uint64_t *vals;
uint64_t tmp;
int i;
if (!q->used)
return;
vals = intel_bo_map(q->bo, false);
if (!vals) {
q->used = 0;
return;
}
switch (q->type) {
case PIPE_QUERY_OCCLUSION_COUNTER:
case PIPE_QUERY_TIME_ELAPSED:
case PIPE_QUERY_PRIMITIVES_GENERATED:
case PIPE_QUERY_PRIMITIVES_EMITTED:
assert(q->stride == sizeof(*vals) * 2);
tmp = 0;
for (i = 0; i < q->used; i++)
tmp += vals[2 * i + 1] - vals[2 * i];
if (q->type == PIPE_QUERY_TIME_ELAPSED)
tmp = query_timestamp_to_ns(ilo, tmp);
q->result.u64 += tmp;
break;
case PIPE_QUERY_TIMESTAMP:
assert(q->stride == sizeof(*vals));
q->result.u64 = query_timestamp_to_ns(ilo, vals[q->used - 1]);
break;
case PIPE_QUERY_PIPELINE_STATISTICS:
assert(q->stride == sizeof(*vals) * 22);
for (i = 0; i < q->used; i++) {
struct pipe_query_data_pipeline_statistics *stats =
&q->result.pipeline_statistics;
const uint64_t *begin = vals + 22 * i;
const uint64_t *end = begin + 11;
stats->ia_vertices += end[0] - begin[0];
stats->ia_primitives += end[1] - begin[1];
stats->vs_invocations += end[2] - begin[2];
stats->gs_invocations += end[3] - begin[3];
stats->gs_primitives += end[4] - begin[4];
stats->c_invocations += end[5] - begin[5];
stats->c_primitives += end[6] - begin[6];
stats->ps_invocations += end[7] - begin[7];
stats->hs_invocations += end[8] - begin[8];
stats->ds_invocations += end[9] - begin[9];
stats->cs_invocations += end[10] - begin[10];
}
break;
default:
break;
}
intel_bo_unmap(q->bo);
q->used = 0;
}
static void
query_begin_bo(struct ilo_context *ilo, struct ilo_query *q)
{
/* bo is full */
if (q->used >= q->count)
query_process_bo(ilo, q);
/* write the beginning value to the bo */
if (q->in_pairs)
ilo_render_emit_query(ilo->render, q, q->stride * q->used);
}
static void
query_end_bo(struct ilo_context *ilo, struct ilo_query *q)
{
uint32_t offset;
assert(q->used < q->count);
offset = q->stride * q->used;
if (q->in_pairs)
offset += q->stride >> 1;
q->used++;
/* write the ending value to the bo */
ilo_render_emit_query(ilo->render, q, offset);
}
bool
ilo_init_draw_query(struct ilo_context *ilo, struct ilo_query *q)
{
unsigned bo_size;
switch (q->type) {
case PIPE_QUERY_OCCLUSION_COUNTER:
case PIPE_QUERY_TIME_ELAPSED:
case PIPE_QUERY_PRIMITIVES_GENERATED:
case PIPE_QUERY_PRIMITIVES_EMITTED:
q->stride = sizeof(uint64_t);
q->in_pairs = true;
break;
case PIPE_QUERY_TIMESTAMP:
q->stride = sizeof(uint64_t);
q->in_pairs = false;
break;
case PIPE_QUERY_PIPELINE_STATISTICS:
q->stride = sizeof(uint64_t) * 11;
q->in_pairs = true;
break;
default:
return false;
break;
}
q->cmd_len = ilo_render_get_query_len(ilo->render, q->type);
/* double cmd_len and stride if in pairs */
q->cmd_len <<= q->in_pairs;
q->stride <<= q->in_pairs;
bo_size = (q->stride > 4096) ? q->stride : 4096;
q->bo = intel_winsys_alloc_bo(ilo->winsys, "query", bo_size, false);
if (!q->bo)
return false;
q->count = bo_size / q->stride;
return true;
}
void
ilo_begin_draw_query(struct ilo_context *ilo, struct ilo_query *q)
{
ilo_draw_set_owner(ilo);
/* need to submit first */
if (!ilo_builder_validate(&ilo->cp->builder, 1, &q->bo) ||
ilo_cp_space(ilo->cp) < q->cmd_len) {
ilo_cp_submit(ilo->cp, "out of aperture or space");
assert(ilo_builder_validate(&ilo->cp->builder, 1, &q->bo));
assert(ilo_cp_space(ilo->cp) >= q->cmd_len);
ilo_draw_set_owner(ilo);
}
/* reserve the space for ending/pausing the query */
ilo->draw.cp_owner.reserve += q->cmd_len >> q->in_pairs;
query_begin_bo(ilo, q);
if (q->in_pairs)
list_add(&q->list, &ilo->draw.queries);
}
void
ilo_end_draw_query(struct ilo_context *ilo, struct ilo_query *q)
{
ilo_draw_set_owner(ilo);
/* reclaim the reserved space */
ilo->draw.cp_owner.reserve -= q->cmd_len >> q->in_pairs;
assert(ilo->draw.cp_owner.reserve >= 0);
query_end_bo(ilo, q);
list_delinit(&q->list);
}
/**
* Process the raw query data.
*/
void
ilo_process_draw_query(struct ilo_context *ilo, struct ilo_query *q)
{
query_process_bo(ilo, q);
}
static void
ilo_draw_own_cp(struct ilo_cp *cp, void *data)
{
struct ilo_context *ilo = data;
/* multiply by 2 for both resuming and pausing */
if (ilo_cp_space(ilo->cp) < ilo->draw.cp_owner.reserve * 2) {
ilo_cp_submit(ilo->cp, "out of space");
assert(ilo_cp_space(ilo->cp) >= ilo->draw.cp_owner.reserve * 2);
}
while (true) {
struct ilo_builder_snapshot snapshot;
struct ilo_query *q;
ilo_builder_batch_snapshot(&ilo->cp->builder, &snapshot);
/* resume queries */
LIST_FOR_EACH_ENTRY(q, &ilo->draw.queries, list)
query_begin_bo(ilo, q);
if (!ilo_builder_validate(&ilo->cp->builder, 0, NULL)) {
ilo_builder_batch_restore(&ilo->cp->builder, &snapshot);
if (ilo_builder_batch_used(&ilo->cp->builder)) {
ilo_cp_submit(ilo->cp, "out of aperture");
continue;
}
}
break;
}
assert(ilo_cp_space(ilo->cp) >= ilo->draw.cp_owner.reserve);
}
static void
ilo_draw_release_cp(struct ilo_cp *cp, void *data)
{
struct ilo_context *ilo = data;
struct ilo_query *q;
assert(ilo_cp_space(ilo->cp) >= ilo->draw.cp_owner.reserve);
/* pause queries */
LIST_FOR_EACH_ENTRY(q, &ilo->draw.queries, list)
query_end_bo(ilo, q);
}
static bool
draw_vbo(struct ilo_context *ilo, const struct ilo_state_vector *vec)
{
bool need_flush = false;
bool success = true;
int max_len, before_space;
/* on Gen7 and Gen7.5, we need SOL_RESET to reset the SO write offsets */
if (ilo_dev_gen(ilo->dev) >= ILO_GEN(7) &&
ilo_dev_gen(ilo->dev) <= ILO_GEN(7.5) &&
(vec->dirty & ILO_DIRTY_SO) && vec->so.enabled &&
!vec->so.append_bitmask) {
ilo_cp_submit(ilo->cp, "SOL_RESET");
ilo_cp_set_one_off_flags(ilo->cp, INTEL_EXEC_GEN7_SOL_RESET);
}
if (ilo_builder_batch_used(&ilo->cp->builder)) {
/*
* Without a better tracking mechanism, when the framebuffer changes, we
* have to assume that the old framebuffer may be sampled from. If that
* happens in the middle of a batch buffer, we need to insert manual
* flushes.
*/
need_flush = (vec->dirty & ILO_DIRTY_FB);
/* same to SO target changes */
need_flush |= (vec->dirty & ILO_DIRTY_SO);
}
ilo_draw_set_owner(ilo);
/* make sure there is enough room first */
max_len = ilo_render_get_draw_len(ilo->render, vec);
if (need_flush)
max_len += ilo_render_get_flush_len(ilo->render);
if (max_len > ilo_cp_space(ilo->cp)) {
ilo_cp_submit(ilo->cp, "out of space");
need_flush = false;
assert(max_len <= ilo_cp_space(ilo->cp));
}
/* space available before emission */
before_space = ilo_cp_space(ilo->cp);
if (need_flush)
ilo_render_emit_flush(ilo->render);
while (true) {
struct ilo_builder_snapshot snapshot;
ilo_builder_batch_snapshot(&ilo->cp->builder, &snapshot);
ilo_render_emit_draw(ilo->render, vec);
if (!ilo_builder_validate(&ilo->cp->builder, 0, NULL)) {
ilo_builder_batch_restore(&ilo->cp->builder, &snapshot);
/* flush and try again */
if (ilo_builder_batch_used(&ilo->cp->builder)) {
ilo_cp_submit(ilo->cp, "out of aperture");
continue;
}
success = false;
}
break;
}
/* sanity check size estimation */
assert(before_space - ilo_cp_space(ilo->cp) <= max_len);
return success;
}
void
ilo_draw_rectlist(struct ilo_context *ilo)
{
int max_len, before_space;
bool need_flush;
need_flush = ilo_builder_batch_used(&ilo->cp->builder);
ilo_draw_set_owner(ilo);
max_len = ilo_render_get_rectlist_len(ilo->render, ilo->blitter);
max_len += ilo_render_get_flush_len(ilo->render) * 2;
if (max_len > ilo_cp_space(ilo->cp)) {
ilo_cp_submit(ilo->cp, "out of space");
need_flush = false;
assert(max_len <= ilo_cp_space(ilo->cp));
}
before_space = ilo_cp_space(ilo->cp);
/*
* From the Sandy Bridge PRM, volume 2 part 1, page 313:
*
* "If other rendering operations have preceded this clear, a
* PIPE_CONTROL with write cache flush enabled and Z-inhibit
* disabled must be issued before the rectangle primitive used for
* the depth buffer clear operation."
*
* From the Sandy Bridge PRM, volume 2 part 1, page 314:
*
* "Depth buffer clear pass must be followed by a PIPE_CONTROL
* command with DEPTH_STALL bit set and Then followed by Depth
* FLUSH"
*
* But the pipeline has to be flushed both before and after not only
* because of these workarounds. We need them for reasons such as
*
* - we may sample from a texture that was rendered to
* - we may sample from the fb shortly after
*
* Skip checking blitter->op and do the flushes.
*/
if (need_flush)
ilo_render_emit_flush(ilo->render);
while (true) {
struct ilo_builder_snapshot snapshot;
ilo_builder_batch_snapshot(&ilo->cp->builder, &snapshot);
ilo_render_emit_rectlist(ilo->render, ilo->blitter);
if (!ilo_builder_validate(&ilo->cp->builder, 0, NULL)) {
ilo_builder_batch_restore(&ilo->cp->builder, &snapshot);
/* flush and try again */
if (ilo_builder_batch_used(&ilo->cp->builder)) {
ilo_cp_submit(ilo->cp, "out of aperture");
continue;
}
}
break;
}
ilo_render_invalidate_hw(ilo->render);
ilo_render_emit_flush(ilo->render);
/* sanity check size estimation */
assert(before_space - ilo_cp_space(ilo->cp) <= max_len);
}
static void
draw_vbo_with_sw_restart(struct ilo_context *ilo,
const struct pipe_draw_info *info)
{
const struct ilo_ib_state *ib = &ilo->state_vector.ib;
union {
const void *ptr;
const uint8_t *u8;
const uint16_t *u16;
const uint32_t *u32;
} u;
/* we will draw with IB mapped */
if (ib->state.buffer) {
u.ptr = intel_bo_map(ilo_buffer(ib->state.buffer)->bo, false);
if (u.ptr)
u.u8 += ib->state.offset;
} else {
u.ptr = ib->state.user_buffer;
}
if (!u.ptr)
return;
#define DRAW_VBO_WITH_SW_RESTART(pipe, info, ptr) do { \
const unsigned end = (info)->start + (info)->count; \
struct pipe_draw_info subinfo; \
unsigned i; \
\
subinfo = *(info); \
subinfo.primitive_restart = false; \
for (i = (info)->start; i < end; i++) { \
if ((ptr)[i] == (info)->restart_index) { \
subinfo.count = i - subinfo.start; \
if (subinfo.count) \
(pipe)->draw_vbo(pipe, &subinfo); \
subinfo.start = i + 1; \
} \
} \
subinfo.count = i - subinfo.start; \
if (subinfo.count) \
(pipe)->draw_vbo(pipe, &subinfo); \
} while (0)
switch (ib->state.index_size) {
case 1:
DRAW_VBO_WITH_SW_RESTART(&ilo->base, info, u.u8);
break;
case 2:
DRAW_VBO_WITH_SW_RESTART(&ilo->base, info, u.u16);
break;
case 4:
DRAW_VBO_WITH_SW_RESTART(&ilo->base, info, u.u32);
break;
default:
assert(!"unsupported index size");
break;
}
#undef DRAW_VBO_WITH_SW_RESTART
if (ib->state.buffer)
intel_bo_unmap(ilo_buffer(ib->state.buffer)->bo);
}
static bool
draw_vbo_need_sw_restart(const struct ilo_context *ilo,
const struct pipe_draw_info *info)
{
/* the restart index is fixed prior to GEN7.5 */
if (ilo_dev_gen(ilo->dev) < ILO_GEN(7.5)) {
const unsigned cut_index =
(ilo->state_vector.ib.state.index_size == 1) ? 0xff :
(ilo->state_vector.ib.state.index_size == 2) ? 0xffff :
(ilo->state_vector.ib.state.index_size == 4) ? 0xffffffff : 0;
if (info->restart_index < cut_index)
return true;
}
switch (info->mode) {
case PIPE_PRIM_POINTS:
case PIPE_PRIM_LINES:
case PIPE_PRIM_LINE_STRIP:
case PIPE_PRIM_TRIANGLES:
case PIPE_PRIM_TRIANGLE_STRIP:
/* these never need software fallback */
return false;
case PIPE_PRIM_LINE_LOOP:
case PIPE_PRIM_POLYGON:
case PIPE_PRIM_QUAD_STRIP:
case PIPE_PRIM_QUADS:
case PIPE_PRIM_TRIANGLE_FAN:
/* these need software fallback prior to GEN7.5 */
return (ilo_dev_gen(ilo->dev) < ILO_GEN(7.5));
default:
/* the rest always needs software fallback */
return true;
}
}
static void
ilo_draw_vbo(struct pipe_context *pipe, const struct pipe_draw_info *info)
{
struct ilo_context *ilo = ilo_context(pipe);
if (ilo_debug & ILO_DEBUG_DRAW) {
if (info->indexed) {
ilo_printf("indexed draw %s: "
"index start %d, count %d, vertex range [%d, %d]\n",
u_prim_name(info->mode), info->start, info->count,
info->min_index, info->max_index);
}
else {
ilo_printf("draw %s: vertex start %d, count %d\n",
u_prim_name(info->mode), info->start, info->count);
}
ilo_state_vector_dump_dirty(&ilo->state_vector);
}
if (ilo_skip_rendering(ilo))
return;
if (info->primitive_restart && info->indexed &&
draw_vbo_need_sw_restart(ilo, info)) {
draw_vbo_with_sw_restart(ilo, info);
return;
}
ilo_finalize_3d_states(ilo, info);
ilo_shader_cache_upload(ilo->shader_cache, &ilo->cp->builder);
ilo_blit_resolve_framebuffer(ilo);
/* If draw_vbo ever fails, return immediately. */
if (!draw_vbo(ilo, &ilo->state_vector))
return;
/* clear dirty status */
ilo->state_vector.dirty = 0x0;
/* avoid dangling pointer reference */
ilo->state_vector.draw = NULL;
if (ilo_debug & ILO_DEBUG_NOCACHE)
ilo_render_emit_flush(ilo->render);
}
static void
ilo_texture_barrier(struct pipe_context *pipe)
{
struct ilo_context *ilo = ilo_context(pipe);
if (ilo->cp->ring != INTEL_RING_RENDER)
return;
ilo_render_emit_flush(ilo->render);
/* don't know why */
if (ilo_dev_gen(ilo->dev) >= ILO_GEN(7))
ilo_cp_submit(ilo->cp, "texture barrier");
}
static void
ilo_get_sample_position(struct pipe_context *pipe,
unsigned sample_count,
unsigned sample_index,
float *out_value)
{
struct ilo_context *ilo = ilo_context(pipe);
ilo_render_get_sample_position(ilo->render,
sample_count, sample_index,
&out_value[0], &out_value[1]);
}
void
ilo_init_draw(struct ilo_context *ilo)
{
ilo->draw.cp_owner.own = ilo_draw_own_cp;
ilo->draw.cp_owner.release = ilo_draw_release_cp;
ilo->draw.cp_owner.data = (void *) ilo;
ilo->draw.cp_owner.reserve = 0;
list_inithead(&ilo->draw.queries);
}
/**
* Initialize 3D-related functions.
*/
void
ilo_init_draw_functions(struct ilo_context *ilo)
{
ilo->base.draw_vbo = ilo_draw_vbo;
ilo->base.texture_barrier = ilo_texture_barrier;
ilo->base.get_sample_position = ilo_get_sample_position;
}
|