panfrost: Track BO lifetime with jobs and reference counts
[mesa.git] / src / gallium / drivers / panfrost / pan_resource.c
1 /**************************************************************************
2 *
3 * Copyright 2008 VMware, Inc.
4 * Copyright 2014 Broadcom
5 * Copyright 2018 Alyssa Rosenzweig
6 * All Rights Reserved.
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the
10 * "Software"), to deal in the Software without restriction, including
11 * without limitation the rights to use, copy, modify, merge, publish,
12 * distribute, sub license, and/or sell copies of the Software, and to
13 * permit persons to whom the Software is furnished to do so, subject to
14 * the following conditions:
15 *
16 * The above copyright notice and this permission notice (including the
17 * next paragraph) shall be included in all copies or substantial portions
18 * of the Software.
19 *
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
21 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
23 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
24 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
25 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
26 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 *
28 **************************************************************************/
29
30 #include <xf86drm.h>
31 #include <fcntl.h>
32 #include "drm-uapi/drm_fourcc.h"
33
34 #include "state_tracker/winsys_handle.h"
35 #include "util/u_format.h"
36 #include "util/u_memory.h"
37 #include "util/u_surface.h"
38 #include "util/u_transfer.h"
39 #include "util/u_transfer_helper.h"
40
41 #include "pan_context.h"
42 #include "pan_screen.h"
43 #include "pan_resource.h"
44 #include "pan_swizzle.h"
45 #include "pan_util.h"
46
47 static struct pipe_resource *
48 panfrost_resource_from_handle(struct pipe_screen *pscreen,
49 const struct pipe_resource *templat,
50 struct winsys_handle *whandle,
51 unsigned usage)
52 {
53 struct panfrost_screen *screen = pan_screen(pscreen);
54 struct panfrost_resource *rsc;
55 struct pipe_resource *prsc;
56
57 assert(whandle->type == WINSYS_HANDLE_TYPE_FD);
58
59 rsc = CALLOC_STRUCT(panfrost_resource);
60 if (!rsc)
61 return NULL;
62
63 prsc = &rsc->base;
64
65 *prsc = *templat;
66
67 pipe_reference_init(&prsc->reference, 1);
68 prsc->screen = pscreen;
69
70 rsc->bo = screen->driver->import_bo(screen, whandle);
71 rsc->bo->slices[0].stride = whandle->stride;
72
73 if (screen->ro) {
74 rsc->scanout =
75 renderonly_create_gpu_import_for_resource(prsc, screen->ro, NULL);
76 /* failure is expected in some cases.. */
77 }
78
79 return prsc;
80 }
81
82 static boolean
83 panfrost_resource_get_handle(struct pipe_screen *pscreen,
84 struct pipe_context *ctx,
85 struct pipe_resource *pt,
86 struct winsys_handle *handle,
87 unsigned usage)
88 {
89 struct panfrost_screen *screen = pan_screen(pscreen);
90 struct panfrost_resource *rsrc = (struct panfrost_resource *) pt;
91 struct renderonly_scanout *scanout = rsrc->scanout;
92
93 handle->modifier = DRM_FORMAT_MOD_INVALID;
94
95 if (handle->type == WINSYS_HANDLE_TYPE_SHARED) {
96 return FALSE;
97 } else if (handle->type == WINSYS_HANDLE_TYPE_KMS) {
98 if (renderonly_get_handle(scanout, handle))
99 return TRUE;
100
101 handle->handle = rsrc->bo->gem_handle;
102 handle->stride = rsrc->bo->slices[0].stride;
103 return TRUE;
104 } else if (handle->type == WINSYS_HANDLE_TYPE_FD) {
105 if (scanout) {
106 struct drm_prime_handle args = {
107 .handle = scanout->handle,
108 .flags = DRM_CLOEXEC,
109 };
110
111 int ret = drmIoctl(screen->ro->kms_fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &args);
112 if (ret == -1)
113 return FALSE;
114
115 handle->stride = scanout->stride;
116 handle->handle = args.fd;
117
118 return TRUE;
119 } else
120 return screen->driver->export_bo(screen, rsrc->bo->gem_handle, rsrc->bo->slices[0].stride, handle);
121 }
122
123 return FALSE;
124 }
125
126 static void
127 panfrost_flush_resource(struct pipe_context *pctx, struct pipe_resource *prsc)
128 {
129 //DBG("TODO %s\n", __func__);
130 }
131
132 static void
133 panfrost_blit(struct pipe_context *pipe,
134 const struct pipe_blit_info *info)
135 {
136 if (util_try_blit_via_copy_region(pipe, info))
137 return;
138
139 /* TODO */
140 DBG("Unhandled blit.\n");
141
142 return;
143 }
144
145 static struct pipe_surface *
146 panfrost_create_surface(struct pipe_context *pipe,
147 struct pipe_resource *pt,
148 const struct pipe_surface *surf_tmpl)
149 {
150 struct pipe_surface *ps = NULL;
151
152 ps = CALLOC_STRUCT(pipe_surface);
153
154 if (ps) {
155 pipe_reference_init(&ps->reference, 1);
156 pipe_resource_reference(&ps->texture, pt);
157 ps->context = pipe;
158 ps->format = surf_tmpl->format;
159
160 if (pt->target != PIPE_BUFFER) {
161 assert(surf_tmpl->u.tex.level <= pt->last_level);
162 ps->width = u_minify(pt->width0, surf_tmpl->u.tex.level);
163 ps->height = u_minify(pt->height0, surf_tmpl->u.tex.level);
164 ps->u.tex.level = surf_tmpl->u.tex.level;
165 ps->u.tex.first_layer = surf_tmpl->u.tex.first_layer;
166 ps->u.tex.last_layer = surf_tmpl->u.tex.last_layer;
167 } else {
168 /* setting width as number of elements should get us correct renderbuffer width */
169 ps->width = surf_tmpl->u.buf.last_element - surf_tmpl->u.buf.first_element + 1;
170 ps->height = pt->height0;
171 ps->u.buf.first_element = surf_tmpl->u.buf.first_element;
172 ps->u.buf.last_element = surf_tmpl->u.buf.last_element;
173 assert(ps->u.buf.first_element <= ps->u.buf.last_element);
174 assert(ps->u.buf.last_element < ps->width);
175 }
176 }
177
178 return ps;
179 }
180
181 static void
182 panfrost_surface_destroy(struct pipe_context *pipe,
183 struct pipe_surface *surf)
184 {
185 assert(surf->texture);
186 pipe_resource_reference(&surf->texture, NULL);
187 free(surf);
188 }
189
190 static void
191 panfrost_setup_slices(const struct pipe_resource *tmpl, struct panfrost_bo *bo)
192 {
193 unsigned width = tmpl->width0;
194 unsigned height = tmpl->height0;
195 unsigned bytes_per_pixel = util_format_get_blocksize(tmpl->format);
196
197 unsigned offset = 0;
198
199 for (unsigned l = 0; l <= tmpl->last_level; ++l) {
200 struct panfrost_slice *slice = &bo->slices[l];
201
202 unsigned effective_width = width;
203 unsigned effective_height = height;
204
205 /* Tiled operates blockwise; linear is packed */
206
207 if (bo->layout == PAN_TILED) {
208 effective_width = ALIGN(effective_width, 16);
209 effective_height = ALIGN(effective_height, 16);
210 }
211
212 slice->offset = offset;
213 slice->stride = bytes_per_pixel * effective_width;
214
215 offset += slice->stride * effective_height;
216
217 width = u_minify(width, 1);
218 height = u_minify(height, 1);
219 }
220
221 assert(tmpl->array_size);
222
223 bo->cubemap_stride = ALIGN(offset, 64);
224 bo->size = ALIGN(bo->cubemap_stride * tmpl->array_size, 4096);
225 }
226
227 static struct panfrost_bo *
228 panfrost_create_bo(struct panfrost_screen *screen, const struct pipe_resource *template)
229 {
230 struct panfrost_bo *bo = CALLOC_STRUCT(panfrost_bo);
231 pipe_reference_init(&bo->reference, 1);
232
233 /* Based on the usage, figure out what storing will be used. There are
234 * various tradeoffs:
235 *
236 * Linear: the basic format, bad for memory bandwidth, bad for cache
237 * use. Zero-copy, though. Renderable.
238 *
239 * Tiled: Not compressed, but cache-optimized. Expensive to write into
240 * (due to software tiling), but cheap to sample from. Ideal for most
241 * textures.
242 *
243 * AFBC: Compressed and renderable (so always desirable for non-scanout
244 * rendertargets). Cheap to sample from. The format is black box, so we
245 * can't read/write from software.
246 */
247
248 /* Tiling textures is almost always faster, unless we only use it once */
249 bool should_tile = (template->usage != PIPE_USAGE_STREAM) && (template->bind & PIPE_BIND_SAMPLER_VIEW);
250
251 /* For unclear reasons, depth/stencil is faster linear than AFBC, so
252 * make sure it's linear */
253
254 if (template->bind & PIPE_BIND_DEPTH_STENCIL)
255 should_tile = false;
256
257 /* Set the layout appropriately */
258 bo->layout = should_tile ? PAN_TILED : PAN_LINEAR;
259
260 panfrost_setup_slices(template, bo);
261
262 if (bo->layout == PAN_TILED || bo->layout == PAN_LINEAR) {
263 struct panfrost_memory mem;
264
265 screen->driver->allocate_slab(screen, &mem, bo->size / 4096, true, 0, 0, 0);
266
267 bo->cpu = mem.cpu;
268 bo->gpu = mem.gpu;
269 bo->gem_handle = mem.gem_handle;
270 }
271
272 return bo;
273 }
274
275 static struct pipe_resource *
276 panfrost_resource_create(struct pipe_screen *screen,
277 const struct pipe_resource *template)
278 {
279 struct panfrost_resource *so = CALLOC_STRUCT(panfrost_resource);
280 struct panfrost_screen *pscreen = (struct panfrost_screen *) screen;
281
282 so->base = *template;
283 so->base.screen = screen;
284
285 pipe_reference_init(&so->base.reference, 1);
286
287 /* Make sure we're familiar */
288 switch (template->target) {
289 case PIPE_BUFFER:
290 case PIPE_TEXTURE_1D:
291 case PIPE_TEXTURE_2D:
292 case PIPE_TEXTURE_3D:
293 case PIPE_TEXTURE_CUBE:
294 case PIPE_TEXTURE_RECT:
295 break;
296 default:
297 DBG("Unknown texture target %d\n", template->target);
298 assert(0);
299 }
300
301 util_range_init(&so->valid_buffer_range);
302
303 if (template->bind & PIPE_BIND_DISPLAY_TARGET ||
304 template->bind & PIPE_BIND_SCANOUT ||
305 template->bind & PIPE_BIND_SHARED) {
306 struct pipe_resource scanout_templat = *template;
307 struct renderonly_scanout *scanout;
308 struct winsys_handle handle;
309
310 scanout = renderonly_scanout_for_resource(&scanout_templat,
311 pscreen->ro, &handle);
312 if (!scanout)
313 return NULL;
314
315 assert(handle.type == WINSYS_HANDLE_TYPE_FD);
316 /* TODO: handle modifiers? */
317 so = pan_resource(screen->resource_from_handle(screen, template,
318 &handle,
319 PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE));
320 close(handle.handle);
321 if (!so)
322 return NULL;
323
324 so->scanout = scanout;
325 pscreen->display_target = so;
326 } else {
327 so->bo = panfrost_create_bo(pscreen, template);
328 }
329
330 return (struct pipe_resource *)so;
331 }
332
333 static void
334 panfrost_destroy_bo(struct panfrost_screen *screen, struct panfrost_bo *pbo)
335 {
336 struct panfrost_bo *bo = (struct panfrost_bo *)pbo;
337
338 if ((bo->layout == PAN_LINEAR || bo->layout == PAN_TILED) &&
339 !bo->imported) {
340 struct panfrost_memory mem = {
341 .cpu = bo->cpu,
342 .gpu = bo->gpu,
343 .size = bo->size,
344 .gem_handle = bo->gem_handle,
345 };
346
347 screen->driver->free_slab(screen, &mem);
348 }
349
350 if (bo->layout == PAN_AFBC) {
351 /* TODO */
352 DBG("--leaking afbc (%d bytes)--\n", bo->afbc_metadata_size);
353 }
354
355 if (bo->has_checksum) {
356 /* TODO */
357 DBG("--leaking checksum (%zd bytes)--\n", bo->checksum_slab.size);
358 }
359
360 if (bo->imported) {
361 screen->driver->free_imported_bo(screen, bo);
362 }
363 }
364
365 void
366 panfrost_bo_reference(struct panfrost_bo *bo)
367 {
368 pipe_reference(NULL, &bo->reference);
369 }
370
371 void
372 panfrost_bo_unreference(struct pipe_screen *screen, struct panfrost_bo *bo)
373 {
374 /* When the reference count goes to zero, we need to cleanup */
375
376 if (pipe_reference(&bo->reference, NULL)) {
377 panfrost_destroy_bo(pan_screen(screen), bo);
378 }
379 }
380
381 static void
382 panfrost_resource_destroy(struct pipe_screen *screen,
383 struct pipe_resource *pt)
384 {
385 struct panfrost_screen *pscreen = pan_screen(screen);
386 struct panfrost_resource *rsrc = (struct panfrost_resource *) pt;
387
388 if (rsrc->scanout)
389 renderonly_scanout_destroy(rsrc->scanout, pscreen->ro);
390
391 if (rsrc->bo)
392 panfrost_bo_unreference(screen, rsrc->bo);
393
394 util_range_destroy(&rsrc->valid_buffer_range);
395 FREE(rsrc);
396 }
397
398 static void *
399 panfrost_transfer_map(struct pipe_context *pctx,
400 struct pipe_resource *resource,
401 unsigned level,
402 unsigned usage, /* a combination of PIPE_TRANSFER_x */
403 const struct pipe_box *box,
404 struct pipe_transfer **out_transfer)
405 {
406 int bytes_per_pixel = util_format_get_blocksize(resource->format);
407 struct panfrost_resource *rsrc = pan_resource(resource);
408 struct panfrost_bo *bo = rsrc->bo;
409
410 struct panfrost_gtransfer *transfer = CALLOC_STRUCT(panfrost_gtransfer);
411 transfer->base.level = level;
412 transfer->base.usage = usage;
413 transfer->base.box = *box;
414
415 pipe_resource_reference(&transfer->base.resource, resource);
416
417 *out_transfer = &transfer->base;
418
419 if (resource->bind & PIPE_BIND_DISPLAY_TARGET ||
420 resource->bind & PIPE_BIND_SCANOUT ||
421 resource->bind & PIPE_BIND_SHARED) {
422 /* Mipmapped readpixels?! */
423 assert(level == 0);
424
425 /* Force a flush -- kill the pipeline */
426 panfrost_flush(pctx, NULL, PIPE_FLUSH_END_OF_FRAME);
427 }
428
429 if (usage & PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE) {
430 /* TODO: reallocate */
431 //printf("debug: Missed reallocate\n");
432 } else if ((usage & PIPE_TRANSFER_WRITE)
433 && resource->target == PIPE_BUFFER
434 && !util_ranges_intersect(&rsrc->valid_buffer_range, box->x, box->x + box->width)) {
435 /* No flush for writes to uninitialized */
436 } else if (!(usage & PIPE_TRANSFER_UNSYNCHRONIZED)) {
437 if (usage & PIPE_TRANSFER_WRITE) {
438 /* STUB: flush reading */
439 //printf("debug: missed reading flush %d\n", resource->target);
440 } else if (usage & PIPE_TRANSFER_READ) {
441 /* STUB: flush writing */
442 //printf("debug: missed writing flush %d (%d-%d)\n", resource->target, box->x, box->x + box->width);
443 } else {
444 /* Why are you even mapping?! */
445 }
446 }
447
448 if (bo->layout != PAN_LINEAR) {
449 /* Non-linear resources need to be indirectly mapped */
450
451 if (usage & PIPE_TRANSFER_MAP_DIRECTLY)
452 return NULL;
453
454 transfer->base.stride = box->width * bytes_per_pixel;
455 transfer->base.layer_stride = transfer->base.stride * box->height;
456
457 /* TODO: Reads */
458 transfer->map = malloc(transfer->base.layer_stride * box->depth);
459
460 return transfer->map;
461 } else {
462 transfer->base.stride = bo->slices[level].stride;
463 transfer->base.layer_stride = bo->cubemap_stride;
464
465 return bo->cpu
466 + bo->slices[level].offset
467 + transfer->base.box.z * bo->cubemap_stride
468 + transfer->base.box.y * bo->slices[level].stride
469 + transfer->base.box.x * bytes_per_pixel;
470 }
471 }
472
473 static void
474 panfrost_tile_texture(struct panfrost_screen *screen, struct panfrost_resource *rsrc, struct panfrost_gtransfer *trans)
475 {
476 struct panfrost_bo *bo = (struct panfrost_bo *)rsrc->bo;
477
478 unsigned level = trans->base.level;
479
480 panfrost_texture_swizzle(
481 trans->base.box.x,
482 trans->base.box.y,
483 trans->base.box.width,
484 trans->base.box.height,
485 util_format_get_blocksize(rsrc->base.format),
486 u_minify(rsrc->base.width0, level),
487 trans->map,
488 bo->cpu
489 + bo->slices[level].offset
490 + bo->cubemap_stride * trans->base.box.z
491 );
492 }
493
494 static void
495 panfrost_transfer_unmap(struct pipe_context *pctx,
496 struct pipe_transfer *transfer)
497 {
498 struct panfrost_context *ctx = pan_context(pctx);
499
500 /* Gallium expects writeback here, so we tile */
501
502 struct panfrost_gtransfer *trans = pan_transfer(transfer);
503 struct panfrost_resource *prsrc = (struct panfrost_resource *) transfer->resource;
504
505 if (trans->map) {
506 struct panfrost_bo *bo = prsrc->bo;
507
508 if (transfer->usage & PIPE_TRANSFER_WRITE) {
509
510 if (bo->layout == PAN_AFBC) {
511 DBG("Unimplemented: writes to AFBC\n");
512 } else if (bo->layout == PAN_TILED) {
513 struct pipe_context *gallium = (struct pipe_context *) ctx;
514 struct panfrost_screen *screen = pan_screen(gallium->screen);
515 assert(transfer->box.depth == 1);
516 panfrost_tile_texture(screen, prsrc, trans);
517 }
518 }
519
520 free(trans->map);
521 }
522
523
524 util_range_add(&prsrc->valid_buffer_range,
525 transfer->box.x,
526 transfer->box.x + transfer->box.width);
527
528 /* Derefence the resource */
529 pipe_resource_reference(&transfer->resource, NULL);
530
531 /* Transfer itself is CALLOCed at the moment */
532 free(transfer);
533 }
534
535 static void
536 panfrost_transfer_flush_region(struct pipe_context *pctx,
537 struct pipe_transfer *transfer,
538 const struct pipe_box *box)
539 {
540 struct panfrost_resource *rsc = pan_resource(transfer->resource);
541
542 if (transfer->resource->target == PIPE_BUFFER) {
543 util_range_add(&rsc->valid_buffer_range,
544 transfer->box.x + box->x,
545 transfer->box.x + box->x + box->width);
546 }
547 }
548
549 static struct pb_slab *
550 panfrost_slab_alloc(void *priv, unsigned heap, unsigned entry_size, unsigned group_index)
551 {
552 struct panfrost_screen *screen = (struct panfrost_screen *) priv;
553 struct panfrost_memory *mem = CALLOC_STRUCT(panfrost_memory);
554
555 size_t slab_size = (1 << (MAX_SLAB_ENTRY_SIZE + 1));
556
557 mem->slab.num_entries = slab_size / entry_size;
558 mem->slab.num_free = mem->slab.num_entries;
559
560 LIST_INITHEAD(&mem->slab.free);
561 for (unsigned i = 0; i < mem->slab.num_entries; ++i) {
562 /* Create a slab entry */
563 struct panfrost_memory_entry *entry = CALLOC_STRUCT(panfrost_memory_entry);
564 entry->offset = entry_size * i;
565
566 entry->base.slab = &mem->slab;
567 entry->base.group_index = group_index;
568
569 LIST_ADDTAIL(&entry->base.head, &mem->slab.free);
570 }
571
572 /* Actually allocate the memory from kernel-space. Mapped, same_va, no
573 * special flags */
574
575 screen->driver->allocate_slab(screen, mem, slab_size / 4096, true, 0, 0, 0);
576
577 return &mem->slab;
578 }
579
580 static bool
581 panfrost_slab_can_reclaim(void *priv, struct pb_slab_entry *entry)
582 {
583 struct panfrost_memory_entry *p_entry = (struct panfrost_memory_entry *) entry;
584 return p_entry->freed;
585 }
586
587 static void
588 panfrost_slab_free(void *priv, struct pb_slab *slab)
589 {
590 struct panfrost_memory *mem = (struct panfrost_memory *) slab;
591 struct panfrost_screen *screen = (struct panfrost_screen *) priv;
592
593 screen->driver->free_slab(screen, mem);
594 }
595
596 static void
597 panfrost_invalidate_resource(struct pipe_context *pctx, struct pipe_resource *prsc)
598 {
599 //DBG("TODO %s\n", __func__);
600 }
601
602 static enum pipe_format
603 panfrost_resource_get_internal_format(struct pipe_resource *prsrc)
604 {
605 return prsrc->format;
606 }
607
608 static void
609 panfrost_resource_set_stencil(struct pipe_resource *prsrc,
610 struct pipe_resource *stencil)
611 {
612 pan_resource(prsrc)->separate_stencil = pan_resource(stencil);
613 }
614
615 static struct pipe_resource *
616 panfrost_resource_get_stencil(struct pipe_resource *prsrc)
617 {
618 return &pan_resource(prsrc)->separate_stencil->base;
619 }
620
621 static const struct u_transfer_vtbl transfer_vtbl = {
622 .resource_create = panfrost_resource_create,
623 .resource_destroy = panfrost_resource_destroy,
624 .transfer_map = panfrost_transfer_map,
625 .transfer_unmap = panfrost_transfer_unmap,
626 .transfer_flush_region = panfrost_transfer_flush_region,
627 .get_internal_format = panfrost_resource_get_internal_format,
628 .set_stencil = panfrost_resource_set_stencil,
629 .get_stencil = panfrost_resource_get_stencil,
630 };
631
632 void
633 panfrost_resource_screen_init(struct panfrost_screen *pscreen)
634 {
635 //pscreen->base.resource_create_with_modifiers =
636 // panfrost_resource_create_with_modifiers;
637 pscreen->base.resource_create = u_transfer_helper_resource_create;
638 pscreen->base.resource_destroy = u_transfer_helper_resource_destroy;
639 pscreen->base.resource_from_handle = panfrost_resource_from_handle;
640 pscreen->base.resource_get_handle = panfrost_resource_get_handle;
641 pscreen->base.transfer_helper = u_transfer_helper_create(&transfer_vtbl,
642 true, false,
643 true, true);
644
645 pb_slabs_init(&pscreen->slabs,
646 MIN_SLAB_ENTRY_SIZE,
647 MAX_SLAB_ENTRY_SIZE,
648
649 3, /* Number of heaps */
650
651 pscreen,
652
653 panfrost_slab_can_reclaim,
654 panfrost_slab_alloc,
655 panfrost_slab_free);
656 }
657
658 void
659 panfrost_resource_context_init(struct pipe_context *pctx)
660 {
661 pctx->transfer_map = u_transfer_helper_transfer_map;
662 pctx->transfer_flush_region = u_transfer_helper_transfer_flush_region;
663 pctx->transfer_unmap = u_transfer_helper_transfer_unmap;
664 pctx->buffer_subdata = u_default_buffer_subdata;
665 pctx->create_surface = panfrost_create_surface;
666 pctx->surface_destroy = panfrost_surface_destroy;
667 pctx->resource_copy_region = util_resource_copy_region;
668 pctx->blit = panfrost_blit;
669 pctx->flush_resource = panfrost_flush_resource;
670 pctx->invalidate_resource = panfrost_invalidate_resource;
671 pctx->transfer_flush_region = u_transfer_helper_transfer_flush_region;
672 pctx->buffer_subdata = u_default_buffer_subdata;
673 pctx->texture_subdata = u_default_texture_subdata;
674 }