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drm-uapi: use local files, not system libdrm
[mesa.git] / src / gallium / drivers / vc4 / vc4_resource.c
1 /*
2 * Copyright © 2014 Broadcom
3 * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
22 * IN THE SOFTWARE.
23 */
24
25 #include "pipe/p_defines.h"
26 #include "util/u_blit.h"
27 #include "util/u_memory.h"
28 #include "util/u_format.h"
29 #include "util/u_inlines.h"
30 #include "util/u_surface.h"
31 #include "util/u_transfer_helper.h"
32 #include "util/u_upload_mgr.h"
33
34 #include "drm-uapi/drm_fourcc.h"
35 #include "drm-uapi/vc4_drm.h"
36 #include "vc4_screen.h"
37 #include "vc4_context.h"
38 #include "vc4_resource.h"
39 #include "vc4_tiling.h"
40
41 static bool
42 vc4_resource_bo_alloc(struct vc4_resource *rsc)
43 {
44 struct pipe_resource *prsc = &rsc->base;
45 struct pipe_screen *pscreen = prsc->screen;
46 struct vc4_bo *bo;
47
48 if (vc4_debug & VC4_DEBUG_SURFACE) {
49 fprintf(stderr, "alloc %p: size %d + offset %d -> %d\n",
50 rsc,
51 rsc->slices[0].size,
52 rsc->slices[0].offset,
53 rsc->slices[0].offset +
54 rsc->slices[0].size +
55 rsc->cube_map_stride * (prsc->array_size - 1));
56 }
57
58 bo = vc4_bo_alloc(vc4_screen(pscreen),
59 rsc->slices[0].offset +
60 rsc->slices[0].size +
61 rsc->cube_map_stride * (prsc->array_size - 1),
62 "resource");
63 if (bo) {
64 vc4_bo_unreference(&rsc->bo);
65 rsc->bo = bo;
66 return true;
67 } else {
68 return false;
69 }
70 }
71
72 static void
73 vc4_resource_transfer_unmap(struct pipe_context *pctx,
74 struct pipe_transfer *ptrans)
75 {
76 struct vc4_context *vc4 = vc4_context(pctx);
77 struct vc4_transfer *trans = vc4_transfer(ptrans);
78
79 if (trans->map) {
80 struct vc4_resource *rsc = vc4_resource(ptrans->resource);
81 struct vc4_resource_slice *slice = &rsc->slices[ptrans->level];
82
83 if (ptrans->usage & PIPE_TRANSFER_WRITE) {
84 vc4_store_tiled_image(rsc->bo->map + slice->offset +
85 ptrans->box.z * rsc->cube_map_stride,
86 slice->stride,
87 trans->map, ptrans->stride,
88 slice->tiling, rsc->cpp,
89 &ptrans->box);
90 }
91 free(trans->map);
92 }
93
94 pipe_resource_reference(&ptrans->resource, NULL);
95 slab_free(&vc4->transfer_pool, ptrans);
96 }
97
98 static void *
99 vc4_resource_transfer_map(struct pipe_context *pctx,
100 struct pipe_resource *prsc,
101 unsigned level, unsigned usage,
102 const struct pipe_box *box,
103 struct pipe_transfer **pptrans)
104 {
105 struct vc4_context *vc4 = vc4_context(pctx);
106 struct vc4_resource *rsc = vc4_resource(prsc);
107 struct vc4_transfer *trans;
108 struct pipe_transfer *ptrans;
109 enum pipe_format format = prsc->format;
110 char *buf;
111
112 /* Upgrade DISCARD_RANGE to WHOLE_RESOURCE if the whole resource is
113 * being mapped.
114 */
115 if ((usage & PIPE_TRANSFER_DISCARD_RANGE) &&
116 !(usage & PIPE_TRANSFER_UNSYNCHRONIZED) &&
117 !(prsc->flags & PIPE_RESOURCE_FLAG_MAP_PERSISTENT) &&
118 prsc->last_level == 0 &&
119 prsc->width0 == box->width &&
120 prsc->height0 == box->height &&
121 prsc->depth0 == box->depth &&
122 prsc->array_size == 1 &&
123 rsc->bo->private) {
124 usage |= PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE;
125 }
126
127 if (usage & PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE) {
128 if (vc4_resource_bo_alloc(rsc)) {
129 /* If it might be bound as one of our vertex buffers,
130 * make sure we re-emit vertex buffer state.
131 */
132 if (prsc->bind & PIPE_BIND_VERTEX_BUFFER)
133 vc4->dirty |= VC4_DIRTY_VTXBUF;
134 } else {
135 /* If we failed to reallocate, flush users so that we
136 * don't violate any syncing requirements.
137 */
138 vc4_flush_jobs_reading_resource(vc4, prsc);
139 }
140 } else if (!(usage & PIPE_TRANSFER_UNSYNCHRONIZED)) {
141 /* If we're writing and the buffer is being used by the CL, we
142 * have to flush the CL first. If we're only reading, we need
143 * to flush if the CL has written our buffer.
144 */
145 if (usage & PIPE_TRANSFER_WRITE)
146 vc4_flush_jobs_reading_resource(vc4, prsc);
147 else
148 vc4_flush_jobs_writing_resource(vc4, prsc);
149 }
150
151 if (usage & PIPE_TRANSFER_WRITE) {
152 rsc->writes++;
153 rsc->initialized_buffers = ~0;
154 }
155
156 trans = slab_alloc(&vc4->transfer_pool);
157 if (!trans)
158 return NULL;
159
160 /* XXX: Handle DONTBLOCK, DISCARD_RANGE, PERSISTENT, COHERENT. */
161
162 /* slab_alloc_st() doesn't zero: */
163 memset(trans, 0, sizeof(*trans));
164 ptrans = &trans->base;
165
166 pipe_resource_reference(&ptrans->resource, prsc);
167 ptrans->level = level;
168 ptrans->usage = usage;
169 ptrans->box = *box;
170
171 if (usage & PIPE_TRANSFER_UNSYNCHRONIZED)
172 buf = vc4_bo_map_unsynchronized(rsc->bo);
173 else
174 buf = vc4_bo_map(rsc->bo);
175 if (!buf) {
176 fprintf(stderr, "Failed to map bo\n");
177 goto fail;
178 }
179
180 *pptrans = ptrans;
181
182 struct vc4_resource_slice *slice = &rsc->slices[level];
183 if (rsc->tiled) {
184 /* No direct mappings of tiled, since we need to manually
185 * tile/untile.
186 */
187 if (usage & PIPE_TRANSFER_MAP_DIRECTLY)
188 return NULL;
189
190 if (format == PIPE_FORMAT_ETC1_RGB8) {
191 /* ETC1 is arranged as 64-bit blocks, where each block
192 * is 4x4 pixels. Texture tiling operates on the
193 * 64-bit block the way it would an uncompressed
194 * pixels.
195 */
196 assert(!(ptrans->box.x & 3));
197 assert(!(ptrans->box.y & 3));
198 ptrans->box.x >>= 2;
199 ptrans->box.y >>= 2;
200 ptrans->box.width = (ptrans->box.width + 3) >> 2;
201 ptrans->box.height = (ptrans->box.height + 3) >> 2;
202 }
203
204 ptrans->stride = ptrans->box.width * rsc->cpp;
205 ptrans->layer_stride = ptrans->stride * ptrans->box.height;
206
207 trans->map = malloc(ptrans->layer_stride * ptrans->box.depth);
208
209 if (usage & PIPE_TRANSFER_READ) {
210 vc4_load_tiled_image(trans->map, ptrans->stride,
211 buf + slice->offset +
212 ptrans->box.z * rsc->cube_map_stride,
213 slice->stride,
214 slice->tiling, rsc->cpp,
215 &ptrans->box);
216 }
217 return trans->map;
218 } else {
219 ptrans->stride = slice->stride;
220 ptrans->layer_stride = ptrans->stride;
221
222 return buf + slice->offset +
223 ptrans->box.y / util_format_get_blockheight(format) * ptrans->stride +
224 ptrans->box.x / util_format_get_blockwidth(format) * rsc->cpp +
225 ptrans->box.z * rsc->cube_map_stride;
226 }
227
228
229 fail:
230 vc4_resource_transfer_unmap(pctx, ptrans);
231 return NULL;
232 }
233
234 static void
235 vc4_texture_subdata(struct pipe_context *pctx,
236 struct pipe_resource *prsc,
237 unsigned level,
238 unsigned usage,
239 const struct pipe_box *box,
240 const void *data,
241 unsigned stride,
242 unsigned layer_stride)
243 {
244 struct vc4_resource *rsc = vc4_resource(prsc);
245 struct vc4_resource_slice *slice = &rsc->slices[level];
246
247 /* For a direct mapping, we can just take the u_transfer path. */
248 if (!rsc->tiled ||
249 box->depth != 1 ||
250 (usage & PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE)) {
251 return u_default_texture_subdata(pctx, prsc, level, usage, box,
252 data, stride, layer_stride);
253 }
254
255 /* Otherwise, map and store the texture data directly into the tiled
256 * texture.
257 */
258 void *buf;
259 if (usage & PIPE_TRANSFER_UNSYNCHRONIZED)
260 buf = vc4_bo_map_unsynchronized(rsc->bo);
261 else
262 buf = vc4_bo_map(rsc->bo);
263
264 vc4_store_tiled_image(buf + slice->offset +
265 box->z * rsc->cube_map_stride,
266 slice->stride,
267 (void *)data, stride,
268 slice->tiling, rsc->cpp,
269 box);
270 }
271
272 static void
273 vc4_resource_destroy(struct pipe_screen *pscreen,
274 struct pipe_resource *prsc)
275 {
276 struct vc4_screen *screen = vc4_screen(pscreen);
277 struct vc4_resource *rsc = vc4_resource(prsc);
278 vc4_bo_unreference(&rsc->bo);
279
280 if (rsc->scanout)
281 renderonly_scanout_destroy(rsc->scanout, screen->ro);
282
283 free(rsc);
284 }
285
286 static boolean
287 vc4_resource_get_handle(struct pipe_screen *pscreen,
288 struct pipe_context *pctx,
289 struct pipe_resource *prsc,
290 struct winsys_handle *whandle,
291 unsigned usage)
292 {
293 struct vc4_screen *screen = vc4_screen(pscreen);
294 struct vc4_resource *rsc = vc4_resource(prsc);
295
296 whandle->stride = rsc->slices[0].stride;
297 whandle->offset = 0;
298
299 /* If we're passing some reference to our BO out to some other part of
300 * the system, then we can't do any optimizations about only us being
301 * the ones seeing it (like BO caching or shadow update avoidance).
302 */
303 rsc->bo->private = false;
304
305 if (rsc->tiled)
306 whandle->modifier = DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED;
307 else
308 whandle->modifier = DRM_FORMAT_MOD_LINEAR;
309
310 switch (whandle->type) {
311 case WINSYS_HANDLE_TYPE_SHARED:
312 if (screen->ro) {
313 /* This could probably be supported, assuming that a
314 * control node was used for pl111.
315 */
316 fprintf(stderr, "flink unsupported with pl111\n");
317 return FALSE;
318 }
319
320 return vc4_bo_flink(rsc->bo, &whandle->handle);
321 case WINSYS_HANDLE_TYPE_KMS:
322 if (screen->ro) {
323 assert(rsc->scanout);
324 return renderonly_get_handle(rsc->scanout, whandle);
325 }
326 whandle->handle = rsc->bo->handle;
327 return TRUE;
328 case WINSYS_HANDLE_TYPE_FD:
329 /* FDs are cross-device, so we can export directly from vc4.
330 */
331 whandle->handle = vc4_bo_get_dmabuf(rsc->bo);
332 return whandle->handle != -1;
333 }
334
335 return FALSE;
336 }
337
338 static void
339 vc4_setup_slices(struct vc4_resource *rsc, const char *caller)
340 {
341 struct pipe_resource *prsc = &rsc->base;
342 uint32_t width = prsc->width0;
343 uint32_t height = prsc->height0;
344 if (prsc->format == PIPE_FORMAT_ETC1_RGB8) {
345 width = (width + 3) >> 2;
346 height = (height + 3) >> 2;
347 }
348
349 uint32_t pot_width = util_next_power_of_two(width);
350 uint32_t pot_height = util_next_power_of_two(height);
351 uint32_t offset = 0;
352 uint32_t utile_w = vc4_utile_width(rsc->cpp);
353 uint32_t utile_h = vc4_utile_height(rsc->cpp);
354
355 for (int i = prsc->last_level; i >= 0; i--) {
356 struct vc4_resource_slice *slice = &rsc->slices[i];
357
358 uint32_t level_width, level_height;
359 if (i == 0) {
360 level_width = width;
361 level_height = height;
362 } else {
363 level_width = u_minify(pot_width, i);
364 level_height = u_minify(pot_height, i);
365 }
366
367 if (!rsc->tiled) {
368 slice->tiling = VC4_TILING_FORMAT_LINEAR;
369 if (prsc->nr_samples > 1) {
370 /* MSAA (4x) surfaces are stored as raw tile buffer contents. */
371 level_width = align(level_width, 32);
372 level_height = align(level_height, 32);
373 } else {
374 level_width = align(level_width, utile_w);
375 }
376 } else {
377 if (vc4_size_is_lt(level_width, level_height,
378 rsc->cpp)) {
379 slice->tiling = VC4_TILING_FORMAT_LT;
380 level_width = align(level_width, utile_w);
381 level_height = align(level_height, utile_h);
382 } else {
383 slice->tiling = VC4_TILING_FORMAT_T;
384 level_width = align(level_width,
385 4 * 2 * utile_w);
386 level_height = align(level_height,
387 4 * 2 * utile_h);
388 }
389 }
390
391 slice->offset = offset;
392 slice->stride = (level_width * rsc->cpp *
393 MAX2(prsc->nr_samples, 1));
394 slice->size = level_height * slice->stride;
395
396 offset += slice->size;
397
398 if (vc4_debug & VC4_DEBUG_SURFACE) {
399 static const char tiling_chars[] = {
400 [VC4_TILING_FORMAT_LINEAR] = 'R',
401 [VC4_TILING_FORMAT_LT] = 'L',
402 [VC4_TILING_FORMAT_T] = 'T'
403 };
404 fprintf(stderr,
405 "rsc %s %p (format %s: vc4 %d), %dx%d: "
406 "level %d (%c) -> %dx%d, stride %d@0x%08x\n",
407 caller, rsc,
408 util_format_short_name(prsc->format),
409 rsc->vc4_format,
410 prsc->width0, prsc->height0,
411 i, tiling_chars[slice->tiling],
412 level_width, level_height,
413 slice->stride, slice->offset);
414 }
415 }
416
417 /* The texture base pointer that has to point to level 0 doesn't have
418 * intra-page bits, so we have to align it, and thus shift up all the
419 * smaller slices.
420 */
421 uint32_t page_align_offset = (align(rsc->slices[0].offset, 4096) -
422 rsc->slices[0].offset);
423 if (page_align_offset) {
424 for (int i = 0; i <= prsc->last_level; i++)
425 rsc->slices[i].offset += page_align_offset;
426 }
427
428 /* Cube map faces appear as whole miptrees at a page-aligned offset
429 * from the first face's miptree.
430 */
431 if (prsc->target == PIPE_TEXTURE_CUBE) {
432 rsc->cube_map_stride = align(rsc->slices[0].offset +
433 rsc->slices[0].size, 4096);
434 }
435 }
436
437 static struct vc4_resource *
438 vc4_resource_setup(struct pipe_screen *pscreen,
439 const struct pipe_resource *tmpl)
440 {
441 struct vc4_resource *rsc = CALLOC_STRUCT(vc4_resource);
442 if (!rsc)
443 return NULL;
444 struct pipe_resource *prsc = &rsc->base;
445
446 *prsc = *tmpl;
447
448 pipe_reference_init(&prsc->reference, 1);
449 prsc->screen = pscreen;
450
451 if (prsc->nr_samples <= 1)
452 rsc->cpp = util_format_get_blocksize(tmpl->format);
453 else
454 rsc->cpp = sizeof(uint32_t);
455
456 assert(rsc->cpp);
457
458 return rsc;
459 }
460
461 static enum vc4_texture_data_type
462 get_resource_texture_format(struct pipe_resource *prsc)
463 {
464 struct vc4_resource *rsc = vc4_resource(prsc);
465 uint8_t format = vc4_get_tex_format(prsc->format);
466
467 if (!rsc->tiled) {
468 if (prsc->nr_samples > 1) {
469 return ~0;
470 } else {
471 if (format == VC4_TEXTURE_TYPE_RGBA8888)
472 return VC4_TEXTURE_TYPE_RGBA32R;
473 else
474 return ~0;
475 }
476 }
477
478 return format;
479 }
480
481 static bool
482 find_modifier(uint64_t needle, const uint64_t *haystack, int count)
483 {
484 int i;
485
486 for (i = 0; i < count; i++) {
487 if (haystack[i] == needle)
488 return true;
489 }
490
491 return false;
492 }
493
494 static struct pipe_resource *
495 vc4_resource_create_with_modifiers(struct pipe_screen *pscreen,
496 const struct pipe_resource *tmpl,
497 const uint64_t *modifiers,
498 int count)
499 {
500 struct vc4_screen *screen = vc4_screen(pscreen);
501 struct vc4_resource *rsc = vc4_resource_setup(pscreen, tmpl);
502 struct pipe_resource *prsc = &rsc->base;
503 bool linear_ok = find_modifier(DRM_FORMAT_MOD_LINEAR, modifiers, count);
504 /* Use a tiled layout if we can, for better 3D performance. */
505 bool should_tile = true;
506
507 /* VBOs/PBOs are untiled (and 1 height). */
508 if (tmpl->target == PIPE_BUFFER)
509 should_tile = false;
510
511 /* MSAA buffers are linear. */
512 if (tmpl->nr_samples > 1)
513 should_tile = false;
514
515 /* No tiling when we're sharing with another device (pl111). */
516 if (screen->ro && (tmpl->bind & PIPE_BIND_SCANOUT))
517 should_tile = false;
518
519 /* Cursors are always linear, and the user can request linear as well.
520 */
521 if (tmpl->bind & (PIPE_BIND_LINEAR | PIPE_BIND_CURSOR))
522 should_tile = false;
523
524 /* No shared objects with LT format -- the kernel only has T-format
525 * metadata. LT objects are small enough it's not worth the trouble to
526 * give them metadata to tile.
527 */
528 if ((tmpl->bind & (PIPE_BIND_SHARED | PIPE_BIND_SCANOUT)) &&
529 vc4_size_is_lt(prsc->width0, prsc->height0, rsc->cpp))
530 should_tile = false;
531
532 /* If we're sharing or scanning out, we need the ioctl present to
533 * inform the kernel or the other side.
534 */
535 if ((tmpl->bind & (PIPE_BIND_SHARED |
536 PIPE_BIND_SCANOUT)) && !screen->has_tiling_ioctl)
537 should_tile = false;
538
539 /* No user-specified modifier; determine our own. */
540 if (count == 1 && modifiers[0] == DRM_FORMAT_MOD_INVALID) {
541 linear_ok = true;
542 rsc->tiled = should_tile;
543 } else if (should_tile &&
544 find_modifier(DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED,
545 modifiers, count)) {
546 rsc->tiled = true;
547 } else if (linear_ok) {
548 rsc->tiled = false;
549 } else {
550 fprintf(stderr, "Unsupported modifier requested\n");
551 return NULL;
552 }
553
554 if (tmpl->target != PIPE_BUFFER)
555 rsc->vc4_format = get_resource_texture_format(prsc);
556
557 vc4_setup_slices(rsc, "create");
558 if (!vc4_resource_bo_alloc(rsc))
559 goto fail;
560
561 if (screen->has_tiling_ioctl) {
562 uint64_t modifier;
563 if (rsc->tiled)
564 modifier = DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED;
565 else
566 modifier = DRM_FORMAT_MOD_LINEAR;
567 struct drm_vc4_set_tiling set_tiling = {
568 .handle = rsc->bo->handle,
569 .modifier = modifier,
570 };
571 int ret = vc4_ioctl(screen->fd, DRM_IOCTL_VC4_SET_TILING,
572 &set_tiling);
573 if (ret != 0)
574 goto fail;
575 }
576
577 /* Set up the "scanout resource" (the dmabuf export of our buffer to
578 * the KMS handle) if the buffer might ever have
579 * resource_get_handle(WINSYS_HANDLE_TYPE_KMS) called on it.
580 * create_with_modifiers() doesn't give us usage flags, so we have to
581 * assume that all calls with modifiers are scanout-possible.
582 */
583 if (screen->ro &&
584 ((tmpl->bind & PIPE_BIND_SCANOUT) ||
585 !(count == 1 && modifiers[0] == DRM_FORMAT_MOD_INVALID))) {
586 rsc->scanout =
587 renderonly_scanout_for_resource(prsc, screen->ro, NULL);
588 if (!rsc->scanout)
589 goto fail;
590 }
591
592 vc4_bo_label(screen, rsc->bo, "%sresource %dx%d@%d/%d",
593 (tmpl->bind & PIPE_BIND_SCANOUT) ? "scanout " : "",
594 tmpl->width0, tmpl->height0,
595 rsc->cpp * 8, prsc->last_level);
596
597 return prsc;
598 fail:
599 vc4_resource_destroy(pscreen, prsc);
600 return NULL;
601 }
602
603 struct pipe_resource *
604 vc4_resource_create(struct pipe_screen *pscreen,
605 const struct pipe_resource *tmpl)
606 {
607 const uint64_t mod = DRM_FORMAT_MOD_INVALID;
608 return vc4_resource_create_with_modifiers(pscreen, tmpl, &mod, 1);
609 }
610
611 static struct pipe_resource *
612 vc4_resource_from_handle(struct pipe_screen *pscreen,
613 const struct pipe_resource *tmpl,
614 struct winsys_handle *whandle,
615 unsigned usage)
616 {
617 struct vc4_screen *screen = vc4_screen(pscreen);
618 struct vc4_resource *rsc = vc4_resource_setup(pscreen, tmpl);
619 struct pipe_resource *prsc = &rsc->base;
620 struct vc4_resource_slice *slice = &rsc->slices[0];
621
622 if (!rsc)
623 return NULL;
624
625 switch (whandle->type) {
626 case WINSYS_HANDLE_TYPE_SHARED:
627 rsc->bo = vc4_bo_open_name(screen, whandle->handle);
628 break;
629 case WINSYS_HANDLE_TYPE_FD:
630 rsc->bo = vc4_bo_open_dmabuf(screen, whandle->handle);
631 break;
632 default:
633 fprintf(stderr,
634 "Attempt to import unsupported handle type %d\n",
635 whandle->type);
636 }
637
638 if (!rsc->bo)
639 goto fail;
640
641 struct drm_vc4_get_tiling get_tiling = {
642 .handle = rsc->bo->handle,
643 };
644 int ret = vc4_ioctl(screen->fd, DRM_IOCTL_VC4_GET_TILING, &get_tiling);
645
646 if (ret != 0) {
647 whandle->modifier = DRM_FORMAT_MOD_LINEAR;
648 } else if (whandle->modifier == DRM_FORMAT_MOD_INVALID) {
649 whandle->modifier = get_tiling.modifier;
650 } else if (whandle->modifier != get_tiling.modifier) {
651 fprintf(stderr,
652 "Modifier 0x%llx vs. tiling (0x%llx) mismatch\n",
653 (long long)whandle->modifier, get_tiling.modifier);
654 goto fail;
655 }
656
657 switch (whandle->modifier) {
658 case DRM_FORMAT_MOD_LINEAR:
659 rsc->tiled = false;
660 break;
661 case DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED:
662 rsc->tiled = true;
663 break;
664 default:
665 fprintf(stderr,
666 "Attempt to import unsupported modifier 0x%llx\n",
667 (long long)whandle->modifier);
668 goto fail;
669 }
670
671 rsc->vc4_format = get_resource_texture_format(prsc);
672 vc4_setup_slices(rsc, "import");
673
674 if (whandle->offset != 0) {
675 if (rsc->tiled) {
676 fprintf(stderr,
677 "Attempt to import unsupported "
678 "winsys offset %u\n",
679 whandle->offset);
680 goto fail;
681 }
682
683 rsc->slices[0].offset += whandle->offset;
684
685 if (rsc->slices[0].offset + rsc->slices[0].size >
686 rsc->bo->size) {
687 fprintf(stderr, "Attempt to import "
688 "with overflowing offset (%d + %d > %d)\n",
689 whandle->offset,
690 rsc->slices[0].size,
691 rsc->bo->size);
692 goto fail;
693 }
694 }
695
696 if (screen->ro) {
697 /* Make sure that renderonly has a handle to our buffer in the
698 * display's fd, so that a later renderonly_get_handle()
699 * returns correct handles or GEM names.
700 */
701 rsc->scanout =
702 renderonly_create_gpu_import_for_resource(prsc,
703 screen->ro,
704 NULL);
705 if (!rsc->scanout)
706 goto fail;
707 }
708
709 if (rsc->tiled && whandle->stride != slice->stride) {
710 static bool warned = false;
711 if (!warned) {
712 warned = true;
713 fprintf(stderr,
714 "Attempting to import %dx%d %s with "
715 "unsupported stride %d instead of %d\n",
716 prsc->width0, prsc->height0,
717 util_format_short_name(prsc->format),
718 whandle->stride,
719 slice->stride);
720 }
721 goto fail;
722 } else if (!rsc->tiled) {
723 slice->stride = whandle->stride;
724 }
725
726 return prsc;
727
728 fail:
729 vc4_resource_destroy(pscreen, prsc);
730 return NULL;
731 }
732
733 static struct pipe_surface *
734 vc4_create_surface(struct pipe_context *pctx,
735 struct pipe_resource *ptex,
736 const struct pipe_surface *surf_tmpl)
737 {
738 struct vc4_surface *surface = CALLOC_STRUCT(vc4_surface);
739 struct vc4_resource *rsc = vc4_resource(ptex);
740
741 if (!surface)
742 return NULL;
743
744 assert(surf_tmpl->u.tex.first_layer == surf_tmpl->u.tex.last_layer);
745
746 struct pipe_surface *psurf = &surface->base;
747 unsigned level = surf_tmpl->u.tex.level;
748
749 pipe_reference_init(&psurf->reference, 1);
750 pipe_resource_reference(&psurf->texture, ptex);
751
752 psurf->context = pctx;
753 psurf->format = surf_tmpl->format;
754 psurf->width = u_minify(ptex->width0, level);
755 psurf->height = u_minify(ptex->height0, level);
756 psurf->u.tex.level = level;
757 psurf->u.tex.first_layer = surf_tmpl->u.tex.first_layer;
758 psurf->u.tex.last_layer = surf_tmpl->u.tex.last_layer;
759 surface->offset = (rsc->slices[level].offset +
760 psurf->u.tex.first_layer * rsc->cube_map_stride);
761 surface->tiling = rsc->slices[level].tiling;
762
763 return &surface->base;
764 }
765
766 static void
767 vc4_surface_destroy(struct pipe_context *pctx, struct pipe_surface *psurf)
768 {
769 pipe_resource_reference(&psurf->texture, NULL);
770 FREE(psurf);
771 }
772
773 static void
774 vc4_dump_surface_non_msaa(struct pipe_surface *psurf)
775 {
776 struct pipe_resource *prsc = psurf->texture;
777 struct vc4_resource *rsc = vc4_resource(prsc);
778 uint32_t *map = vc4_bo_map(rsc->bo);
779 uint32_t stride = rsc->slices[0].stride / 4;
780 uint32_t width = psurf->width;
781 uint32_t height = psurf->height;
782 uint32_t chunk_w = width / 79;
783 uint32_t chunk_h = height / 40;
784 uint32_t found_colors[10];
785 uint32_t num_found_colors = 0;
786
787 if (rsc->vc4_format != VC4_TEXTURE_TYPE_RGBA32R) {
788 fprintf(stderr, "%s: Unsupported format %s\n",
789 __func__, util_format_short_name(psurf->format));
790 return;
791 }
792
793 for (int by = 0; by < height; by += chunk_h) {
794 for (int bx = 0; bx < width; bx += chunk_w) {
795 int all_found_color = -1; /* nothing found */
796
797 for (int y = by; y < MIN2(height, by + chunk_h); y++) {
798 for (int x = bx; x < MIN2(width, bx + chunk_w); x++) {
799 uint32_t pix = map[y * stride + x];
800
801 int i;
802 for (i = 0; i < num_found_colors; i++) {
803 if (pix == found_colors[i])
804 break;
805 }
806 if (i == num_found_colors &&
807 num_found_colors <
808 ARRAY_SIZE(found_colors)) {
809 found_colors[num_found_colors++] = pix;
810 }
811
812 if (i < num_found_colors) {
813 if (all_found_color == -1)
814 all_found_color = i;
815 else if (i != all_found_color)
816 all_found_color = ARRAY_SIZE(found_colors);
817 }
818 }
819 }
820 /* If all pixels for this chunk have a consistent
821 * value, then print a character for it. Either a
822 * fixed name (particularly common for piglit tests),
823 * or a runtime-generated number.
824 */
825 if (all_found_color >= 0 &&
826 all_found_color < ARRAY_SIZE(found_colors)) {
827 static const struct {
828 uint32_t val;
829 const char *c;
830 } named_colors[] = {
831 { 0xff000000, "█" },
832 { 0x00000000, "█" },
833 { 0xffff0000, "r" },
834 { 0xff00ff00, "g" },
835 { 0xff0000ff, "b" },
836 { 0xffffffff, "w" },
837 };
838 int i;
839 for (i = 0; i < ARRAY_SIZE(named_colors); i++) {
840 if (named_colors[i].val ==
841 found_colors[all_found_color]) {
842 fprintf(stderr, "%s",
843 named_colors[i].c);
844 break;
845 }
846 }
847 /* For unnamed colors, print a number and the
848 * numbers will have values printed at the
849 * end.
850 */
851 if (i == ARRAY_SIZE(named_colors)) {
852 fprintf(stderr, "%c",
853 '0' + all_found_color);
854 }
855 } else {
856 /* If there's no consistent color, print this.
857 */
858 fprintf(stderr, ".");
859 }
860 }
861 fprintf(stderr, "\n");
862 }
863
864 for (int i = 0; i < num_found_colors; i++) {
865 fprintf(stderr, "color %d: 0x%08x\n", i, found_colors[i]);
866 }
867 }
868
869 static uint32_t
870 vc4_surface_msaa_get_sample(struct pipe_surface *psurf,
871 uint32_t x, uint32_t y, uint32_t sample)
872 {
873 struct pipe_resource *prsc = psurf->texture;
874 struct vc4_resource *rsc = vc4_resource(prsc);
875 uint32_t tile_w = 32, tile_h = 32;
876 uint32_t tiles_w = DIV_ROUND_UP(psurf->width, 32);
877
878 uint32_t tile_x = x / tile_w;
879 uint32_t tile_y = y / tile_h;
880 uint32_t *tile = (vc4_bo_map(rsc->bo) +
881 VC4_TILE_BUFFER_SIZE * (tile_y * tiles_w + tile_x));
882 uint32_t subtile_x = x % tile_w;
883 uint32_t subtile_y = y % tile_h;
884
885 uint32_t quad_samples = VC4_MAX_SAMPLES * 4;
886 uint32_t tile_stride = quad_samples * tile_w / 2;
887
888 return *((uint32_t *)tile +
889 (subtile_y >> 1) * tile_stride +
890 (subtile_x >> 1) * quad_samples +
891 ((subtile_y & 1) << 1) +
892 (subtile_x & 1) +
893 sample);
894 }
895
896 static void
897 vc4_dump_surface_msaa_char(struct pipe_surface *psurf,
898 uint32_t start_x, uint32_t start_y,
899 uint32_t w, uint32_t h)
900 {
901 bool all_same_color = true;
902 uint32_t all_pix = 0;
903
904 for (int y = start_y; y < start_y + h; y++) {
905 for (int x = start_x; x < start_x + w; x++) {
906 for (int s = 0; s < VC4_MAX_SAMPLES; s++) {
907 uint32_t pix = vc4_surface_msaa_get_sample(psurf,
908 x, y,
909 s);
910 if (x == start_x && y == start_y)
911 all_pix = pix;
912 else if (all_pix != pix)
913 all_same_color = false;
914 }
915 }
916 }
917 if (all_same_color) {
918 static const struct {
919 uint32_t val;
920 const char *c;
921 } named_colors[] = {
922 { 0xff000000, "█" },
923 { 0x00000000, "█" },
924 { 0xffff0000, "r" },
925 { 0xff00ff00, "g" },
926 { 0xff0000ff, "b" },
927 { 0xffffffff, "w" },
928 };
929 int i;
930 for (i = 0; i < ARRAY_SIZE(named_colors); i++) {
931 if (named_colors[i].val == all_pix) {
932 fprintf(stderr, "%s",
933 named_colors[i].c);
934 return;
935 }
936 }
937 fprintf(stderr, "x");
938 } else {
939 fprintf(stderr, ".");
940 }
941 }
942
943 static void
944 vc4_dump_surface_msaa(struct pipe_surface *psurf)
945 {
946 uint32_t tile_w = 32, tile_h = 32;
947 uint32_t tiles_w = DIV_ROUND_UP(psurf->width, tile_w);
948 uint32_t tiles_h = DIV_ROUND_UP(psurf->height, tile_h);
949 uint32_t char_w = 140, char_h = 60;
950 uint32_t char_w_per_tile = char_w / tiles_w - 1;
951 uint32_t char_h_per_tile = char_h / tiles_h - 1;
952
953 fprintf(stderr, "Surface: %dx%d (%dx MSAA)\n",
954 psurf->width, psurf->height, psurf->texture->nr_samples);
955
956 for (int x = 0; x < (char_w_per_tile + 1) * tiles_w; x++)
957 fprintf(stderr, "-");
958 fprintf(stderr, "\n");
959
960 for (int ty = 0; ty < psurf->height; ty += tile_h) {
961 for (int y = 0; y < char_h_per_tile; y++) {
962
963 for (int tx = 0; tx < psurf->width; tx += tile_w) {
964 for (int x = 0; x < char_w_per_tile; x++) {
965 uint32_t bx1 = (x * tile_w /
966 char_w_per_tile);
967 uint32_t bx2 = ((x + 1) * tile_w /
968 char_w_per_tile);
969 uint32_t by1 = (y * tile_h /
970 char_h_per_tile);
971 uint32_t by2 = ((y + 1) * tile_h /
972 char_h_per_tile);
973
974 vc4_dump_surface_msaa_char(psurf,
975 tx + bx1,
976 ty + by1,
977 bx2 - bx1,
978 by2 - by1);
979 }
980 fprintf(stderr, "|");
981 }
982 fprintf(stderr, "\n");
983 }
984
985 for (int x = 0; x < (char_w_per_tile + 1) * tiles_w; x++)
986 fprintf(stderr, "-");
987 fprintf(stderr, "\n");
988 }
989 }
990
991 /** Debug routine to dump the contents of an 8888 surface to the console */
992 void
993 vc4_dump_surface(struct pipe_surface *psurf)
994 {
995 if (!psurf)
996 return;
997
998 if (psurf->texture->nr_samples > 1)
999 vc4_dump_surface_msaa(psurf);
1000 else
1001 vc4_dump_surface_non_msaa(psurf);
1002 }
1003
1004 static void
1005 vc4_flush_resource(struct pipe_context *pctx, struct pipe_resource *resource)
1006 {
1007 /* All calls to flush_resource are followed by a flush of the context,
1008 * so there's nothing to do.
1009 */
1010 }
1011
1012 void
1013 vc4_update_shadow_baselevel_texture(struct pipe_context *pctx,
1014 struct pipe_sampler_view *pview)
1015 {
1016 struct vc4_context *vc4 = vc4_context(pctx);
1017 struct vc4_sampler_view *view = vc4_sampler_view(pview);
1018 struct vc4_resource *shadow = vc4_resource(view->texture);
1019 struct vc4_resource *orig = vc4_resource(pview->texture);
1020
1021 assert(view->texture != pview->texture);
1022
1023 if (shadow->writes == orig->writes && orig->bo->private)
1024 return;
1025
1026 perf_debug("Updating %dx%d@%d shadow texture due to %s\n",
1027 orig->base.width0, orig->base.height0,
1028 pview->u.tex.first_level,
1029 pview->u.tex.first_level ? "base level" : "raster layout");
1030
1031 for (int i = 0; i <= shadow->base.last_level; i++) {
1032 unsigned width = u_minify(shadow->base.width0, i);
1033 unsigned height = u_minify(shadow->base.height0, i);
1034 struct pipe_blit_info info = {
1035 .dst = {
1036 .resource = &shadow->base,
1037 .level = i,
1038 .box = {
1039 .x = 0,
1040 .y = 0,
1041 .z = 0,
1042 .width = width,
1043 .height = height,
1044 .depth = 1,
1045 },
1046 .format = shadow->base.format,
1047 },
1048 .src = {
1049 .resource = &orig->base,
1050 .level = pview->u.tex.first_level + i,
1051 .box = {
1052 .x = 0,
1053 .y = 0,
1054 .z = 0,
1055 .width = width,
1056 .height = height,
1057 .depth = 1,
1058 },
1059 .format = orig->base.format,
1060 },
1061 .mask = ~0,
1062 };
1063 pctx->blit(pctx, &info);
1064 }
1065
1066 shadow->writes = orig->writes;
1067 }
1068
1069 /**
1070 * Converts a 4-byte index buffer to 2 bytes.
1071 *
1072 * Since GLES2 only has support for 1 and 2-byte indices, the hardware doesn't
1073 * include 4-byte index support, and we have to shrink it down.
1074 *
1075 * There's no fallback support for when indices end up being larger than 2^16,
1076 * though it will at least assertion fail. Also, if the original index data
1077 * was in user memory, it would be nice to not have uploaded it to a VBO
1078 * before translating.
1079 */
1080 struct pipe_resource *
1081 vc4_get_shadow_index_buffer(struct pipe_context *pctx,
1082 const struct pipe_draw_info *info,
1083 uint32_t offset,
1084 uint32_t count,
1085 uint32_t *shadow_offset)
1086 {
1087 struct vc4_context *vc4 = vc4_context(pctx);
1088 struct vc4_resource *orig = vc4_resource(info->index.resource);
1089 perf_debug("Fallback conversion for %d uint indices\n", count);
1090
1091 void *data;
1092 struct pipe_resource *shadow_rsc = NULL;
1093 u_upload_alloc(vc4->uploader, 0, count * 2, 4,
1094 shadow_offset, &shadow_rsc, &data);
1095 uint16_t *dst = data;
1096
1097 struct pipe_transfer *src_transfer = NULL;
1098 const uint32_t *src;
1099 if (info->has_user_indices) {
1100 src = info->index.user;
1101 } else {
1102 src = pipe_buffer_map_range(pctx, &orig->base,
1103 offset,
1104 count * 4,
1105 PIPE_TRANSFER_READ, &src_transfer);
1106 }
1107
1108 for (int i = 0; i < count; i++) {
1109 uint32_t src_index = src[i];
1110 assert(src_index <= 0xffff);
1111 dst[i] = src_index;
1112 }
1113
1114 if (src_transfer)
1115 pctx->transfer_unmap(pctx, src_transfer);
1116
1117 return shadow_rsc;
1118 }
1119
1120 static const struct u_transfer_vtbl transfer_vtbl = {
1121 .resource_create = vc4_resource_create,
1122 .resource_destroy = vc4_resource_destroy,
1123 .transfer_map = vc4_resource_transfer_map,
1124 .transfer_unmap = vc4_resource_transfer_unmap,
1125 .transfer_flush_region = u_default_transfer_flush_region,
1126 };
1127
1128 void
1129 vc4_resource_screen_init(struct pipe_screen *pscreen)
1130 {
1131 struct vc4_screen *screen = vc4_screen(pscreen);
1132
1133 pscreen->resource_create = vc4_resource_create;
1134 pscreen->resource_create_with_modifiers =
1135 vc4_resource_create_with_modifiers;
1136 pscreen->resource_from_handle = vc4_resource_from_handle;
1137 pscreen->resource_destroy = u_resource_destroy_vtbl;
1138 pscreen->resource_get_handle = vc4_resource_get_handle;
1139 pscreen->resource_destroy = vc4_resource_destroy;
1140 pscreen->transfer_helper = u_transfer_helper_create(&transfer_vtbl,
1141 false, false,
1142 false, true);
1143
1144 /* Test if the kernel has GET_TILING; it will return -EINVAL if the
1145 * ioctl does not exist, but -ENOENT if we pass an impossible handle.
1146 * 0 cannot be a valid GEM object, so use that.
1147 */
1148 struct drm_vc4_get_tiling get_tiling = {
1149 .handle = 0x0,
1150 };
1151 int ret = vc4_ioctl(screen->fd, DRM_IOCTL_VC4_GET_TILING, &get_tiling);
1152 if (ret == -1 && errno == ENOENT)
1153 screen->has_tiling_ioctl = true;
1154 }
1155
1156 void
1157 vc4_resource_context_init(struct pipe_context *pctx)
1158 {
1159 pctx->transfer_map = u_transfer_helper_transfer_map;
1160 pctx->transfer_flush_region = u_transfer_helper_transfer_flush_region;
1161 pctx->transfer_unmap = u_transfer_helper_transfer_unmap;
1162 pctx->buffer_subdata = u_default_buffer_subdata;
1163 pctx->texture_subdata = vc4_texture_subdata;
1164 pctx->create_surface = vc4_create_surface;
1165 pctx->surface_destroy = vc4_surface_destroy;
1166 pctx->resource_copy_region = util_resource_copy_region;
1167 pctx->blit = vc4_blit;
1168 pctx->flush_resource = vc4_flush_resource;
1169 }