1 /*
2 * Copyright (C) 2008 VMware, Inc.
3 * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
4 * Copyright (C) 2014-2017 Broadcom
5 * Copyright (C) 2018-2019 Alyssa Rosenzweig
6 * Copyright (C) 2019 Collabora, Ltd.
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice (including the next
16 * paragraph) shall be included in all copies or substantial portions of the
17 * Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
22 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
24 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
25 * SOFTWARE.
26 *
27 * Authors (Collabora):
28 * Tomeu Vizoso <tomeu.vizoso@collabora.com>
29 * Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
30 *
31 */
32
33 #include <xf86drm.h>
34 #include <fcntl.h>
35 #include "drm-uapi/drm_fourcc.h"
36
37 #include "frontend/winsys_handle.h"
38 #include "util/format/u_format.h"
39 #include "util/u_memory.h"
40 #include "util/u_surface.h"
41 #include "util/u_transfer.h"
42 #include "util/u_transfer_helper.h"
43 #include "util/u_gen_mipmap.h"
44 #include "util/u_drm.h"
45
46 #include "pan_bo.h"
47 #include "pan_context.h"
48 #include "pan_screen.h"
49 #include "pan_resource.h"
50 #include "pan_util.h"
51 #include "pan_tiling.h"
52 #include "decode.h"
53 #include "panfrost-quirks.h"
54
55 static struct pipe_resource *
panfrost_resource_from_handle(struct pipe_screen * pscreen,const struct pipe_resource * templat,struct winsys_handle * whandle,unsigned usage)56 panfrost_resource_from_handle(struct pipe_screen *pscreen,
57 const struct pipe_resource *templat,
58 struct winsys_handle *whandle,
59 unsigned usage)
60 {
61 struct panfrost_device *dev = pan_device(pscreen);
62 struct panfrost_resource *rsc;
63 struct pipe_resource *prsc;
64
65 assert(whandle->type == WINSYS_HANDLE_TYPE_FD);
66
67 rsc = rzalloc(pscreen, struct panfrost_resource);
68 if (!rsc)
69 return NULL;
70
71 prsc = &rsc->base;
72
73 *prsc = *templat;
74
75 pipe_reference_init(&prsc->reference, 1);
76 prsc->screen = pscreen;
77
78 rsc->bo = panfrost_bo_import(dev, whandle->handle);
79 rsc->internal_format = templat->format;
80 rsc->modifier = (whandle->modifier == DRM_FORMAT_MOD_INVALID) ?
81 DRM_FORMAT_MOD_LINEAR : whandle->modifier;
82 rsc->modifier_constant = true;
83 rsc->slices[0].stride = whandle->stride;
84 rsc->slices[0].offset = whandle->offset;
85 rsc->slices[0].initialized = true;
86 panfrost_resource_set_damage_region(NULL, &rsc->base, 0, NULL);
87
88 if (dev->quirks & IS_BIFROST &&
89 templat->bind & PIPE_BIND_RENDER_TARGET) {
90 unsigned size = panfrost_compute_checksum_size(
91 &rsc->slices[0], templat->width0, templat->height0);
92 rsc->slices[0].checksum_bo = panfrost_bo_create(dev, size, 0);
93 rsc->checksummed = true;
94 }
95
96 if (drm_is_afbc(whandle->modifier)) {
97 rsc->slices[0].header_size =
98 panfrost_afbc_header_size(templat->width0, templat->height0);
99 }
100
101 if (dev->ro) {
102 rsc->scanout =
103 renderonly_create_gpu_import_for_resource(prsc, dev->ro, NULL);
104 /* failure is expected in some cases.. */
105 }
106
107 return prsc;
108 }
109
110 static bool
panfrost_resource_get_handle(struct pipe_screen * pscreen,struct pipe_context * ctx,struct pipe_resource * pt,struct winsys_handle * handle,unsigned usage)111 panfrost_resource_get_handle(struct pipe_screen *pscreen,
112 struct pipe_context *ctx,
113 struct pipe_resource *pt,
114 struct winsys_handle *handle,
115 unsigned usage)
116 {
117 struct panfrost_device *dev = pan_device(pscreen);
118 struct panfrost_resource *rsrc = (struct panfrost_resource *) pt;
119 struct renderonly_scanout *scanout = rsrc->scanout;
120
121 handle->modifier = rsrc->modifier;
122 rsrc->modifier_constant = true;
123
124 if (handle->type == WINSYS_HANDLE_TYPE_SHARED) {
125 return false;
126 } else if (handle->type == WINSYS_HANDLE_TYPE_KMS) {
127 if (renderonly_get_handle(scanout, handle))
128 return true;
129
130 handle->handle = rsrc->bo->gem_handle;
131 handle->stride = rsrc->slices[0].stride;
132 handle->offset = rsrc->slices[0].offset;
133 return TRUE;
134 } else if (handle->type == WINSYS_HANDLE_TYPE_FD) {
135 if (scanout) {
136 struct drm_prime_handle args = {
137 .handle = scanout->handle,
138 .flags = DRM_CLOEXEC,
139 };
140
141 int ret = drmIoctl(dev->ro->kms_fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &args);
142 if (ret == -1)
143 return false;
144
145 handle->stride = scanout->stride;
146 handle->handle = args.fd;
147
148 return true;
149 } else {
150 int fd = panfrost_bo_export(rsrc->bo);
151
152 if (fd < 0)
153 return false;
154
155 handle->handle = fd;
156 handle->stride = rsrc->slices[0].stride;
157 handle->offset = rsrc->slices[0].offset;
158 return true;
159 }
160 }
161
162 return false;
163 }
164
165 static void
panfrost_flush_resource(struct pipe_context * pctx,struct pipe_resource * prsc)166 panfrost_flush_resource(struct pipe_context *pctx, struct pipe_resource *prsc)
167 {
168 /* TODO */
169 }
170
171 static struct pipe_surface *
panfrost_create_surface(struct pipe_context * pipe,struct pipe_resource * pt,const struct pipe_surface * surf_tmpl)172 panfrost_create_surface(struct pipe_context *pipe,
173 struct pipe_resource *pt,
174 const struct pipe_surface *surf_tmpl)
175 {
176 struct pipe_surface *ps = NULL;
177
178 ps = CALLOC_STRUCT(pipe_surface);
179
180 if (ps) {
181 pipe_reference_init(&ps->reference, 1);
182 pipe_resource_reference(&ps->texture, pt);
183 ps->context = pipe;
184 ps->format = surf_tmpl->format;
185
186 if (pt->target != PIPE_BUFFER) {
187 assert(surf_tmpl->u.tex.level <= pt->last_level);
188 ps->width = u_minify(pt->width0, surf_tmpl->u.tex.level);
189 ps->height = u_minify(pt->height0, surf_tmpl->u.tex.level);
190 ps->nr_samples = surf_tmpl->nr_samples;
191 ps->u.tex.level = surf_tmpl->u.tex.level;
192 ps->u.tex.first_layer = surf_tmpl->u.tex.first_layer;
193 ps->u.tex.last_layer = surf_tmpl->u.tex.last_layer;
194 } else {
195 /* setting width as number of elements should get us correct renderbuffer width */
196 ps->width = surf_tmpl->u.buf.last_element - surf_tmpl->u.buf.first_element + 1;
197 ps->height = pt->height0;
198 ps->u.buf.first_element = surf_tmpl->u.buf.first_element;
199 ps->u.buf.last_element = surf_tmpl->u.buf.last_element;
200 assert(ps->u.buf.first_element <= ps->u.buf.last_element);
201 assert(ps->u.buf.last_element < ps->width);
202 }
203 }
204
205 return ps;
206 }
207
208 static void
panfrost_surface_destroy(struct pipe_context * pipe,struct pipe_surface * surf)209 panfrost_surface_destroy(struct pipe_context *pipe,
210 struct pipe_surface *surf)
211 {
212 assert(surf->texture);
213 pipe_resource_reference(&surf->texture, NULL);
214 free(surf);
215 }
216
217 static struct pipe_resource *
panfrost_create_scanout_res(struct pipe_screen * screen,const struct pipe_resource * template,uint64_t modifier)218 panfrost_create_scanout_res(struct pipe_screen *screen,
219 const struct pipe_resource *template,
220 uint64_t modifier)
221 {
222 struct panfrost_device *dev = pan_device(screen);
223 struct renderonly_scanout *scanout;
224 struct winsys_handle handle;
225 struct pipe_resource *res;
226 struct pipe_resource scanout_templat = *template;
227
228 /* Tiled formats need to be tile aligned */
229 if (modifier == DRM_FORMAT_MOD_ARM_16X16_BLOCK_U_INTERLEAVED) {
230 scanout_templat.width0 = ALIGN_POT(template->width0, 16);
231 scanout_templat.height0 = ALIGN_POT(template->height0, 16);
232 }
233
234 /* AFBC formats need a header. Thankfully we don't care about the
235 * stride so we can just use wonky dimensions as long as the right
236 * number of bytes are allocated at the end of the day... this implies
237 * that stride/pitch is invalid for AFBC buffers */
238
239 if (drm_is_afbc(modifier)) {
240 /* Space for the header. We need to keep vaguely similar
241 * dimensions because... reasons... to allocate with renderonly
242 * as a dumb buffer. To do so, after the usual 16x16 alignment,
243 * we add on extra rows for the header. The order of operations
244 * matters here, the extra rows of padding can in fact be
245 * needed and missing them can lead to faults. */
246
247 unsigned header_size = panfrost_afbc_header_size(
248 template->width0, template->height0);
249
250 unsigned pitch = ALIGN_POT(template->width0, 16) *
251 util_format_get_blocksize(template->format);
252
253 unsigned header_rows =
254 DIV_ROUND_UP(header_size, pitch);
255
256 scanout_templat.width0 = ALIGN_POT(template->width0, 16);
257 scanout_templat.height0 = ALIGN_POT(template->height0, 16) + header_rows;
258 }
259
260 scanout = renderonly_scanout_for_resource(&scanout_templat,
261 dev->ro, &handle);
262 if (!scanout)
263 return NULL;
264
265 assert(handle.type == WINSYS_HANDLE_TYPE_FD);
266 handle.modifier = modifier;
267 res = screen->resource_from_handle(screen, template, &handle,
268 PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE);
269 close(handle.handle);
270 if (!res)
271 return NULL;
272
273 struct panfrost_resource *pres = pan_resource(res);
274
275 pres->scanout = scanout;
276
277 return res;
278 }
279
280 /* Setup the mip tree given a particular modifier, possibly with checksumming */
281
282 static void
panfrost_setup_slices(struct panfrost_resource * pres,size_t * bo_size)283 panfrost_setup_slices(struct panfrost_resource *pres, size_t *bo_size)
284 {
285 struct pipe_resource *res = &pres->base;
286 unsigned width = res->width0;
287 unsigned height = res->height0;
288 unsigned depth = res->depth0;
289 unsigned bytes_per_pixel = util_format_get_blocksize(pres->internal_format);
290
291 /* MSAA is implemented as a 3D texture with z corresponding to the
292 * sample #, horrifyingly enough */
293
294 bool msaa = res->nr_samples > 1;
295
296 if (msaa) {
297 assert(depth == 1);
298 depth = res->nr_samples;
299 }
300
301 assert(depth > 0);
302
303 /* Tiled operates blockwise; linear is packed. Also, anything
304 * we render to has to be tile-aligned. Maybe not strictly
305 * necessary, but we're not *that* pressed for memory and it
306 * makes code a lot simpler */
307
308 bool renderable = res->bind &
309 (PIPE_BIND_RENDER_TARGET | PIPE_BIND_DEPTH_STENCIL) &&
310 res->target != PIPE_BUFFER;
311 bool afbc = drm_is_afbc(pres->modifier);
312 bool tiled = pres->modifier == DRM_FORMAT_MOD_ARM_16X16_BLOCK_U_INTERLEAVED;
313 bool linear = pres->modifier == DRM_FORMAT_MOD_LINEAR;
314 bool should_align = renderable || tiled || afbc;
315
316 /* We don't know how to specify a 2D stride for 3D textures */
317
318 bool can_align_stride =
319 res->target != PIPE_TEXTURE_3D;
320
321 should_align &= can_align_stride;
322
323 unsigned offset = 0;
324 unsigned size_2d = 0;
325
326 for (unsigned l = 0; l <= res->last_level; ++l) {
327 struct panfrost_slice *slice = &pres->slices[l];
328
329 unsigned effective_width = width;
330 unsigned effective_height = height;
331 unsigned effective_depth = depth;
332
333 if (should_align) {
334 effective_width = ALIGN_POT(effective_width, 16);
335 effective_height = ALIGN_POT(effective_height, 16);
336
337 /* We don't need to align depth */
338 }
339
340 /* Align levels to cache-line as a performance improvement for
341 * linear/tiled and as a requirement for AFBC */
342
343 offset = ALIGN_POT(offset, 64);
344
345 slice->offset = offset;
346
347 /* Compute the would-be stride */
348 unsigned stride = bytes_per_pixel * effective_width;
349
350 if (util_format_is_compressed(pres->internal_format))
351 stride /= 4;
352
353 /* ..but cache-line align it for performance */
354 if (can_align_stride && linear)
355 stride = ALIGN_POT(stride, 64);
356
357 slice->stride = stride;
358
359 unsigned slice_one_size = slice->stride * effective_height;
360 unsigned slice_full_size = slice_one_size * effective_depth;
361
362 slice->size0 = slice_one_size;
363
364 /* Report 2D size for 3D texturing */
365
366 if (l == 0)
367 size_2d = slice_one_size;
368
369 /* Compute AFBC sizes if necessary */
370 if (afbc) {
371 slice->header_size =
372 panfrost_afbc_header_size(width, height);
373
374 offset += slice->header_size;
375 }
376
377 offset += slice_full_size;
378
379 /* Add a checksum region if necessary */
380 if (pres->checksummed) {
381 slice->checksum_offset = offset;
382
383 unsigned size = panfrost_compute_checksum_size(
384 slice, width, height);
385
386 offset += size;
387 }
388
389 width = u_minify(width, 1);
390 height = u_minify(height, 1);
391
392 /* Don't mipmap the sample count */
393 if (!msaa)
394 depth = u_minify(depth, 1);
395 }
396
397 assert(res->array_size);
398
399 if (res->target != PIPE_TEXTURE_3D) {
400 /* Arrays and cubemaps have the entire miptree duplicated */
401
402 pres->cubemap_stride = ALIGN_POT(offset, 64);
403 if (bo_size)
404 *bo_size = ALIGN_POT(pres->cubemap_stride * res->array_size, 4096);
405 } else {
406 /* 3D strides across the 2D layers */
407 assert(res->array_size == 1);
408
409 pres->cubemap_stride = size_2d;
410 if (bo_size)
411 *bo_size = ALIGN_POT(offset, 4096);
412 }
413 }
414
415 /* Based on the usage, determine if it makes sense to use u-inteleaved tiling.
416 * We only have routines to tile 2D textures of sane bpps. On the hardware
417 * level, not all usages are valid for tiling. Finally, if the app is hinting
418 * that the contents frequently change, tiling will be a loss.
419 *
420 * Due to incomplete information on some platforms, we may need to force tiling
421 * in some cases.
422 *
423 * On platforms where it is supported, AFBC is even better. */
424
425 static bool
panfrost_can_linear(struct panfrost_device * dev,const struct panfrost_resource * pres)426 panfrost_can_linear(struct panfrost_device *dev, const struct panfrost_resource *pres)
427 {
428 /* XXX: We should be able to do linear Z/S with the right bits.. */
429 return !((pres->base.bind & PIPE_BIND_DEPTH_STENCIL) &&
430 (dev->quirks & MIDGARD_SFBD));
431 }
432
433 static bool
panfrost_should_afbc(struct panfrost_device * dev,const struct panfrost_resource * pres)434 panfrost_should_afbc(struct panfrost_device *dev, const struct panfrost_resource *pres)
435 {
436 /* AFBC resources may be rendered to, textured from, or shared across
437 * processes, but may not be used as e.g buffers */
438 const unsigned valid_binding =
439 PIPE_BIND_DEPTH_STENCIL |
440 PIPE_BIND_RENDER_TARGET |
441 PIPE_BIND_BLENDABLE |
442 PIPE_BIND_SAMPLER_VIEW |
443 PIPE_BIND_DISPLAY_TARGET |
444 PIPE_BIND_SCANOUT |
445 PIPE_BIND_SHARED;
446
447 if (pres->base.bind & ~valid_binding)
448 return false;
449
450 /* AFBC introduced with Mali T760 */
451 if (dev->quirks & MIDGARD_NO_AFBC)
452 return false;
453
454 /* AFBC<-->staging is expensive */
455 if (pres->base.usage == PIPE_USAGE_STREAM)
456 return false;
457
458 /* Only a small selection of formats are AFBC'able */
459 if (!panfrost_format_supports_afbc(pres->internal_format))
460 return false;
461
462 /* AFBC does not support layered (GLES3 style) multisampling. Use
463 * EXT_multisampled_render_to_texture instead */
464 if (pres->base.nr_samples > 1)
465 return false;
466
467 /* TODO: Is AFBC of 3D textures possible? */
468 if ((pres->base.target != PIPE_TEXTURE_2D) && (pres->base.target != PIPE_TEXTURE_RECT))
469 return false;
470
471 /* For one tile, AFBC is a loss compared to u-interleaved */
472 if (pres->base.width0 <= 16 && pres->base.height0 <= 16)
473 return false;
474
475 /* Otherwise, we'd prefer AFBC as it is dramatically more efficient
476 * than linear or usually even u-interleaved */
477 return true;
478 }
479
480 static bool
panfrost_should_tile(struct panfrost_device * dev,const struct panfrost_resource * pres)481 panfrost_should_tile(struct panfrost_device *dev, const struct panfrost_resource *pres)
482 {
483 const unsigned valid_binding =
484 PIPE_BIND_DEPTH_STENCIL |
485 PIPE_BIND_RENDER_TARGET |
486 PIPE_BIND_BLENDABLE |
487 PIPE_BIND_SAMPLER_VIEW |
488 PIPE_BIND_DISPLAY_TARGET |
489 PIPE_BIND_SCANOUT |
490 PIPE_BIND_SHARED;
491
492 unsigned bpp = util_format_get_blocksizebits(pres->internal_format);
493
494 bool is_sane_bpp =
495 bpp == 8 || bpp == 16 || bpp == 24 || bpp == 32 ||
496 bpp == 64 || bpp == 128;
497
498 bool is_2d = (pres->base.target == PIPE_TEXTURE_2D)
499 || (pres->base.target == PIPE_TEXTURE_RECT);
500
501 bool can_tile = is_2d && is_sane_bpp && ((pres->base.bind & ~valid_binding) == 0);
502
503 if (!panfrost_can_linear(dev, pres)) {
504 assert(can_tile);
505 return true;
506 }
507
508 return can_tile && (pres->base.usage != PIPE_USAGE_STREAM);
509 }
510
511 static uint64_t
panfrost_best_modifier(struct panfrost_device * dev,const struct panfrost_resource * pres)512 panfrost_best_modifier(struct panfrost_device *dev,
513 const struct panfrost_resource *pres)
514 {
515 if (panfrost_should_afbc(dev, pres)) {
516 uint64_t afbc =
517 AFBC_FORMAT_MOD_BLOCK_SIZE_16x16 |
518 AFBC_FORMAT_MOD_SPARSE;
519
520 if (panfrost_afbc_can_ytr(pres->base.format))
521 afbc |= AFBC_FORMAT_MOD_YTR;
522
523 return DRM_FORMAT_MOD_ARM_AFBC(afbc);
524 } else if (panfrost_should_tile(dev, pres))
525 return DRM_FORMAT_MOD_ARM_16X16_BLOCK_U_INTERLEAVED;
526 else
527 return DRM_FORMAT_MOD_LINEAR;
528 }
529
530 static void
panfrost_resource_setup(struct panfrost_device * dev,struct panfrost_resource * pres,size_t * bo_size,uint64_t modifier)531 panfrost_resource_setup(struct panfrost_device *dev, struct panfrost_resource *pres,
532 size_t *bo_size, uint64_t modifier)
533 {
534 pres->modifier = (modifier != DRM_FORMAT_MOD_INVALID) ? modifier :
535 panfrost_best_modifier(dev, pres);
536 pres->checksummed = (pres->base.bind & PIPE_BIND_RENDER_TARGET);
537
538 /* We can only switch tiled->linear if the resource isn't already
539 * linear, and if we control the modifier, and if the resource can be
540 * linear. */
541 pres->modifier_constant = !((pres->modifier != DRM_FORMAT_MOD_LINEAR)
542 && (modifier == DRM_FORMAT_MOD_INVALID)
543 && panfrost_can_linear(dev, pres));
544
545 panfrost_setup_slices(pres, bo_size);
546 }
547
548 void
panfrost_resource_set_damage_region(struct pipe_screen * screen,struct pipe_resource * res,unsigned int nrects,const struct pipe_box * rects)549 panfrost_resource_set_damage_region(struct pipe_screen *screen,
550 struct pipe_resource *res,
551 unsigned int nrects,
552 const struct pipe_box *rects)
553 {
554 struct panfrost_resource *pres = pan_resource(res);
555 struct pipe_scissor_state *damage_extent = &pres->damage.extent;
556 unsigned int i;
557
558 if (pres->damage.inverted_rects)
559 ralloc_free(pres->damage.inverted_rects);
560
561 memset(&pres->damage, 0, sizeof(pres->damage));
562
563 pres->damage.inverted_rects =
564 pan_subtract_damage(pres,
565 res->width0, res->height0,
566 nrects, rects, &pres->damage.inverted_len);
567
568 /* Track the damage extent: the quad including all damage regions. Will
569 * be used restrict the rendering area */
570
571 damage_extent->minx = 0xffff;
572 damage_extent->miny = 0xffff;
573
574 for (i = 0; i < nrects; i++) {
575 int x = rects[i].x, w = rects[i].width, h = rects[i].height;
576 int y = res->height0 - (rects[i].y + h);
577
578 damage_extent->minx = MIN2(damage_extent->minx, x);
579 damage_extent->miny = MIN2(damage_extent->miny, y);
580 damage_extent->maxx = MAX2(damage_extent->maxx,
581 MIN2(x + w, res->width0));
582 damage_extent->maxy = MAX2(damage_extent->maxy,
583 MIN2(y + h, res->height0));
584 }
585
586 if (nrects == 0) {
587 damage_extent->minx = 0;
588 damage_extent->miny = 0;
589 damage_extent->maxx = res->width0;
590 damage_extent->maxy = res->height0;
591 }
592
593 }
594
595 static struct pipe_resource *
panfrost_resource_create_with_modifier(struct pipe_screen * screen,const struct pipe_resource * template,uint64_t modifier)596 panfrost_resource_create_with_modifier(struct pipe_screen *screen,
597 const struct pipe_resource *template,
598 uint64_t modifier)
599 {
600 struct panfrost_device *dev = pan_device(screen);
601
602 /* Make sure we're familiar */
603 switch (template->target) {
604 case PIPE_BUFFER:
605 case PIPE_TEXTURE_1D:
606 case PIPE_TEXTURE_2D:
607 case PIPE_TEXTURE_3D:
608 case PIPE_TEXTURE_CUBE:
609 case PIPE_TEXTURE_RECT:
610 case PIPE_TEXTURE_1D_ARRAY:
611 case PIPE_TEXTURE_2D_ARRAY:
612 break;
613 default:
614 unreachable("Unknown texture target\n");
615 }
616
617 if (dev->ro && (template->bind &
618 (PIPE_BIND_DISPLAY_TARGET | PIPE_BIND_SCANOUT | PIPE_BIND_SHARED)))
619 return panfrost_create_scanout_res(screen, template, modifier);
620
621 struct panfrost_resource *so = rzalloc(screen, struct panfrost_resource);
622 so->base = *template;
623 so->base.screen = screen;
624 so->internal_format = template->format;
625
626 pipe_reference_init(&so->base.reference, 1);
627
628 util_range_init(&so->valid_buffer_range);
629
630 size_t bo_size;
631 panfrost_resource_setup(dev, so, &bo_size, modifier);
632
633 /* We create a BO immediately but don't bother mapping, since we don't
634 * care to map e.g. FBOs which the CPU probably won't touch */
635 so->bo = panfrost_bo_create(dev, bo_size, PAN_BO_DELAY_MMAP);
636
637 panfrost_resource_set_damage_region(NULL, &so->base, 0, NULL);
638
639 if (template->bind & PIPE_BIND_INDEX_BUFFER)
640 so->index_cache = rzalloc(so, struct panfrost_minmax_cache);
641
642 return (struct pipe_resource *)so;
643 }
644
645 /* Default is to create a resource as don't care */
646
647 static struct pipe_resource *
panfrost_resource_create(struct pipe_screen * screen,const struct pipe_resource * template)648 panfrost_resource_create(struct pipe_screen *screen,
649 const struct pipe_resource *template)
650 {
651 return panfrost_resource_create_with_modifier(screen, template,
652 DRM_FORMAT_MOD_INVALID);
653 }
654
655 /* If no modifier is specified, we'll choose. Otherwise, the order of
656 * preference is compressed, tiled, linear. */
657
658 static struct pipe_resource *
panfrost_resource_create_with_modifiers(struct pipe_screen * screen,const struct pipe_resource * template,const uint64_t * modifiers,int count)659 panfrost_resource_create_with_modifiers(struct pipe_screen *screen,
660 const struct pipe_resource *template,
661 const uint64_t *modifiers, int count)
662 {
663 for (unsigned i = 0; i < PAN_MODIFIER_COUNT; ++i) {
664 if (drm_find_modifier(pan_best_modifiers[i], modifiers, count)) {
665 return panfrost_resource_create_with_modifier(screen, template,
666 pan_best_modifiers[i]);
667 }
668 }
669
670 /* If we didn't find one, app specified invalid */
671 assert(count == 1 && modifiers[0] == DRM_FORMAT_MOD_INVALID);
672 return panfrost_resource_create(screen, template);
673 }
674
675 static void
panfrost_resource_destroy(struct pipe_screen * screen,struct pipe_resource * pt)676 panfrost_resource_destroy(struct pipe_screen *screen,
677 struct pipe_resource *pt)
678 {
679 struct panfrost_device *dev = pan_device(screen);
680 struct panfrost_resource *rsrc = (struct panfrost_resource *) pt;
681
682 if (rsrc->scanout)
683 renderonly_scanout_destroy(rsrc->scanout, dev->ro);
684
685 if (rsrc->bo)
686 panfrost_bo_unreference(rsrc->bo);
687
688 if (rsrc->slices[0].checksum_bo)
689 panfrost_bo_unreference(rsrc->slices[0].checksum_bo);
690
691 util_range_destroy(&rsrc->valid_buffer_range);
692 ralloc_free(rsrc);
693 }
694
695 /* Most of the time we can do CPU-side transfers, but sometimes we need to use
696 * the 3D pipe for this. Let's wrap u_blitter to blit to/from staging textures.
697 * Code adapted from freedreno */
698
699 static struct panfrost_resource *
pan_alloc_staging(struct panfrost_context * ctx,struct panfrost_resource * rsc,unsigned level,const struct pipe_box * box)700 pan_alloc_staging(struct panfrost_context *ctx, struct panfrost_resource *rsc,
701 unsigned level, const struct pipe_box *box)
702 {
703 struct pipe_context *pctx = &ctx->base;
704 struct pipe_resource tmpl = rsc->base;
705
706 tmpl.width0 = box->width;
707 tmpl.height0 = box->height;
708 /* for array textures, box->depth is the array_size, otherwise
709 * for 3d textures, it is the depth:
710 */
711 if (tmpl.array_size > 1) {
712 if (tmpl.target == PIPE_TEXTURE_CUBE)
713 tmpl.target = PIPE_TEXTURE_2D_ARRAY;
714 tmpl.array_size = box->depth;
715 tmpl.depth0 = 1;
716 } else {
717 tmpl.array_size = 1;
718 tmpl.depth0 = box->depth;
719 }
720 tmpl.last_level = 0;
721 tmpl.bind |= PIPE_BIND_LINEAR;
722
723 struct pipe_resource *pstaging =
724 pctx->screen->resource_create(pctx->screen, &tmpl);
725 if (!pstaging)
726 return NULL;
727
728 return pan_resource(pstaging);
729 }
730
731 static enum pipe_format
pan_blit_format(enum pipe_format fmt)732 pan_blit_format(enum pipe_format fmt)
733 {
734 const struct util_format_description *desc;
735 desc = util_format_description(fmt);
736
737 /* This must be an emulated format (using u_transfer_helper) as if it
738 * was real RGTC we wouldn't have used AFBC and needed a blit. */
739 if (desc->layout == UTIL_FORMAT_LAYOUT_RGTC)
740 fmt = PIPE_FORMAT_R8G8B8A8_UNORM;
741
742 return fmt;
743 }
744
745 static void
pan_blit_from_staging(struct pipe_context * pctx,struct panfrost_transfer * trans)746 pan_blit_from_staging(struct pipe_context *pctx, struct panfrost_transfer *trans)
747 {
748 struct pipe_resource *dst = trans->base.resource;
749 struct pipe_blit_info blit = {0};
750
751 blit.dst.resource = dst;
752 blit.dst.format = pan_blit_format(dst->format);
753 blit.dst.level = trans->base.level;
754 blit.dst.box = trans->base.box;
755 blit.src.resource = trans->staging.rsrc;
756 blit.src.format = pan_blit_format(trans->staging.rsrc->format);
757 blit.src.level = 0;
758 blit.src.box = trans->staging.box;
759 blit.mask = util_format_get_mask(blit.src.format);
760 blit.filter = PIPE_TEX_FILTER_NEAREST;
761
762 panfrost_blit(pctx, &blit);
763 }
764
765 static void
pan_blit_to_staging(struct pipe_context * pctx,struct panfrost_transfer * trans)766 pan_blit_to_staging(struct pipe_context *pctx, struct panfrost_transfer *trans)
767 {
768 struct pipe_resource *src = trans->base.resource;
769 struct pipe_blit_info blit = {0};
770
771 blit.src.resource = src;
772 blit.src.format = pan_blit_format(src->format);
773 blit.src.level = trans->base.level;
774 blit.src.box = trans->base.box;
775 blit.dst.resource = trans->staging.rsrc;
776 blit.dst.format = pan_blit_format(trans->staging.rsrc->format);
777 blit.dst.level = 0;
778 blit.dst.box = trans->staging.box;
779 blit.mask = util_format_get_mask(blit.dst.format);
780 blit.filter = PIPE_TEX_FILTER_NEAREST;
781
782 panfrost_blit(pctx, &blit);
783 }
784
785 static void *
panfrost_ptr_map(struct pipe_context * pctx,struct pipe_resource * resource,unsigned level,unsigned usage,const struct pipe_box * box,struct pipe_transfer ** out_transfer)786 panfrost_ptr_map(struct pipe_context *pctx,
787 struct pipe_resource *resource,
788 unsigned level,
789 unsigned usage, /* a combination of PIPE_MAP_x */
790 const struct pipe_box *box,
791 struct pipe_transfer **out_transfer)
792 {
793 struct panfrost_context *ctx = pan_context(pctx);
794 struct panfrost_device *dev = pan_device(pctx->screen);
795 struct panfrost_resource *rsrc = pan_resource(resource);
796 int bytes_per_pixel = util_format_get_blocksize(rsrc->internal_format);
797 struct panfrost_bo *bo = rsrc->bo;
798
799 /* Can't map tiled/compressed directly */
800 if ((usage & PIPE_MAP_DIRECTLY) && rsrc->modifier != DRM_FORMAT_MOD_LINEAR)
801 return NULL;
802
803 struct panfrost_transfer *transfer = rzalloc(pctx, struct panfrost_transfer);
804 transfer->base.level = level;
805 transfer->base.usage = usage;
806 transfer->base.box = *box;
807
808 pipe_resource_reference(&transfer->base.resource, resource);
809 *out_transfer = &transfer->base;
810
811 /* We don't have s/w routines for AFBC, so use a staging texture */
812 if (drm_is_afbc(rsrc->modifier)) {
813 struct panfrost_resource *staging = pan_alloc_staging(ctx, rsrc, level, box);
814 transfer->base.stride = staging->slices[0].stride;
815 transfer->base.layer_stride = transfer->base.stride * box->height;
816
817 transfer->staging.rsrc = &staging->base;
818
819 transfer->staging.box = *box;
820 transfer->staging.box.x = 0;
821 transfer->staging.box.y = 0;
822 transfer->staging.box.z = 0;
823
824 assert(transfer->staging.rsrc != NULL);
825
826 /* TODO: Eliminate this flush. It's only there to determine if
827 * we're initialized or not, when the initialization could come
828 * from a pending batch XXX */
829 panfrost_flush_batches_accessing_bo(ctx, rsrc->bo, true);
830
831 if ((usage & PIPE_MAP_READ) && rsrc->slices[level].initialized) {
832 pan_blit_to_staging(pctx, transfer);
833 panfrost_flush_batches_accessing_bo(ctx, staging->bo, true);
834 panfrost_bo_wait(staging->bo, INT64_MAX, false);
835 }
836
837 panfrost_bo_mmap(staging->bo);
838 return staging->bo->ptr.cpu;
839 }
840
841 /* If we haven't already mmaped, now's the time */
842 panfrost_bo_mmap(bo);
843
844 if (dev->debug & (PAN_DBG_TRACE | PAN_DBG_SYNC))
845 pandecode_inject_mmap(bo->ptr.gpu, bo->ptr.cpu, bo->size, NULL);
846
847 bool create_new_bo = usage & PIPE_MAP_DISCARD_WHOLE_RESOURCE;
848 bool copy_resource = false;
849
850 if (!create_new_bo &&
851 !(usage & PIPE_MAP_UNSYNCHRONIZED) &&
852 (usage & PIPE_MAP_WRITE) &&
853 !(resource->target == PIPE_BUFFER
854 && !util_ranges_intersect(&rsrc->valid_buffer_range, box->x, box->x + box->width)) &&
855 panfrost_pending_batches_access_bo(ctx, bo)) {
856
857 /* When a resource to be modified is already being used by a
858 * pending batch, it is often faster to copy the whole BO than
859 * to flush and split the frame in two.
860 */
861
862 panfrost_flush_batches_accessing_bo(ctx, bo, false);
863 panfrost_bo_wait(bo, INT64_MAX, false);
864
865 create_new_bo = true;
866 copy_resource = true;
867 }
868
869 if (create_new_bo) {
870 /* If the BO is used by one of the pending batches or if it's
871 * not ready yet (still accessed by one of the already flushed
872 * batches), we try to allocate a new one to avoid waiting.
873 */
874 if (panfrost_pending_batches_access_bo(ctx, bo) ||
875 !panfrost_bo_wait(bo, 0, true)) {
876 /* We want the BO to be MMAPed. */
877 uint32_t flags = bo->flags & ~PAN_BO_DELAY_MMAP;
878 struct panfrost_bo *newbo = NULL;
879
880 /* When the BO has been imported/exported, we can't
881 * replace it by another one, otherwise the
882 * importer/exporter wouldn't see the change we're
883 * doing to it.
884 */
885 if (!(bo->flags & PAN_BO_SHARED))
886 newbo = panfrost_bo_create(dev, bo->size,
887 flags);
888
889 if (newbo) {
890 if (copy_resource)
891 memcpy(newbo->ptr.cpu, rsrc->bo->ptr.cpu, bo->size);
892
893 panfrost_bo_unreference(bo);
894 rsrc->bo = newbo;
895 bo = newbo;
896 } else {
897 /* Allocation failed or was impossible, let's
898 * fall back on a flush+wait.
899 */
900 panfrost_flush_batches_accessing_bo(ctx, bo, true);
901 panfrost_bo_wait(bo, INT64_MAX, true);
902 }
903 }
904 } else if ((usage & PIPE_MAP_WRITE)
905 && resource->target == PIPE_BUFFER
906 && !util_ranges_intersect(&rsrc->valid_buffer_range, box->x, box->x + box->width)) {
907 /* No flush for writes to uninitialized */
908 } else if (!(usage & PIPE_MAP_UNSYNCHRONIZED)) {
909 if (usage & PIPE_MAP_WRITE) {
910 panfrost_flush_batches_accessing_bo(ctx, bo, true);
911 panfrost_bo_wait(bo, INT64_MAX, true);
912 } else if (usage & PIPE_MAP_READ) {
913 panfrost_flush_batches_accessing_bo(ctx, bo, false);
914 panfrost_bo_wait(bo, INT64_MAX, false);
915 }
916 }
917
918 if (rsrc->modifier == DRM_FORMAT_MOD_ARM_16X16_BLOCK_U_INTERLEAVED) {
919 transfer->base.stride = box->width * bytes_per_pixel;
920 transfer->base.layer_stride = transfer->base.stride * box->height;
921 transfer->map = ralloc_size(transfer, transfer->base.layer_stride * box->depth);
922 assert(box->depth == 1);
923
924 if ((usage & PIPE_MAP_READ) && rsrc->slices[level].initialized) {
925 panfrost_load_tiled_image(
926 transfer->map,
927 bo->ptr.cpu + rsrc->slices[level].offset,
928 box->x, box->y, box->width, box->height,
929 transfer->base.stride,
930 rsrc->slices[level].stride,
931 rsrc->internal_format);
932 }
933
934 return transfer->map;
935 } else {
936 assert (rsrc->modifier == DRM_FORMAT_MOD_LINEAR);
937
938 /* Direct, persistent writes create holes in time for
939 * caching... I don't know if this is actually possible but we
940 * should still get it right */
941
942 unsigned dpw = PIPE_MAP_DIRECTLY | PIPE_MAP_WRITE | PIPE_MAP_PERSISTENT;
943
944 if ((usage & dpw) == dpw && rsrc->index_cache)
945 return NULL;
946
947 transfer->base.stride = rsrc->slices[level].stride;
948 transfer->base.layer_stride = panfrost_get_layer_stride(
949 rsrc->slices, rsrc->base.target == PIPE_TEXTURE_3D,
950 rsrc->cubemap_stride, level);
951
952 /* By mapping direct-write, we're implicitly already
953 * initialized (maybe), so be conservative */
954
955 if (usage & PIPE_MAP_WRITE) {
956 rsrc->slices[level].initialized = true;
957 panfrost_minmax_cache_invalidate(rsrc->index_cache, &transfer->base);
958 }
959
960 return bo->ptr.cpu
961 + rsrc->slices[level].offset
962 + transfer->base.box.z * transfer->base.layer_stride
963 + transfer->base.box.y * rsrc->slices[level].stride
964 + transfer->base.box.x * bytes_per_pixel;
965 }
966 }
967
968 static bool
panfrost_should_linear_convert(struct panfrost_resource * prsrc,struct pipe_transfer * transfer)969 panfrost_should_linear_convert(struct panfrost_resource *prsrc,
970 struct pipe_transfer *transfer)
971 {
972 if (prsrc->modifier_constant)
973 return false;
974
975 /* Overwriting the entire resource indicates streaming, for which
976 * linear layout is most efficient due to the lack of expensive
977 * conversion.
978 *
979 * For now we just switch to linear after a number of complete
980 * overwrites to keep things simple, but we could do better.
981 */
982
983 bool entire_overwrite = prsrc->base.last_level == 0
984 && transfer->box.width == prsrc->base.width0
985 && transfer->box.height == prsrc->base.height0
986 && transfer->box.x == 0
987 && transfer->box.y == 0;
988
989 if (entire_overwrite)
990 ++prsrc->modifier_updates;
991
992 return prsrc->modifier_updates >= LAYOUT_CONVERT_THRESHOLD;
993 }
994
995 static void
panfrost_ptr_unmap(struct pipe_context * pctx,struct pipe_transfer * transfer)996 panfrost_ptr_unmap(struct pipe_context *pctx,
997 struct pipe_transfer *transfer)
998 {
999 /* Gallium expects writeback here, so we tile */
1000
1001 struct panfrost_transfer *trans = pan_transfer(transfer);
1002 struct panfrost_resource *prsrc = (struct panfrost_resource *) transfer->resource;
1003 struct panfrost_device *dev = pan_device(pctx->screen);
1004
1005 /* AFBC will use a staging resource. `initialized` will be set when the
1006 * fragment job is created; this is deferred to prevent useless surface
1007 * reloads that can cascade into DATA_INVALID_FAULTs due to reading
1008 * malformed AFBC data if uninitialized */
1009
1010 if (trans->staging.rsrc) {
1011 if (transfer->usage & PIPE_MAP_WRITE) {
1012 if (panfrost_should_linear_convert(prsrc, transfer)) {
1013
1014 panfrost_bo_unreference(prsrc->bo);
1015 if (prsrc->slices[0].checksum_bo)
1016 panfrost_bo_unreference(prsrc->slices[0].checksum_bo);
1017
1018 panfrost_resource_setup(dev, prsrc, NULL, DRM_FORMAT_MOD_LINEAR);
1019
1020 prsrc->bo = pan_resource(trans->staging.rsrc)->bo;
1021 panfrost_bo_reference(prsrc->bo);
1022 } else {
1023 pan_blit_from_staging(pctx, trans);
1024 panfrost_flush_batches_accessing_bo(pan_context(pctx), pan_resource(trans->staging.rsrc)->bo, true);
1025 }
1026 }
1027
1028 pipe_resource_reference(&trans->staging.rsrc, NULL);
1029 }
1030
1031 /* Tiling will occur in software from a staging cpu buffer */
1032 if (trans->map) {
1033 struct panfrost_bo *bo = prsrc->bo;
1034
1035 if (transfer->usage & PIPE_MAP_WRITE) {
1036 prsrc->slices[transfer->level].initialized = true;
1037
1038 if (prsrc->modifier == DRM_FORMAT_MOD_ARM_16X16_BLOCK_U_INTERLEAVED) {
1039 assert(transfer->box.depth == 1);
1040
1041 if (panfrost_should_linear_convert(prsrc, transfer)) {
1042 prsrc->modifier = DRM_FORMAT_MOD_LINEAR;
1043
1044 util_copy_rect(
1045 bo->ptr.cpu + prsrc->slices[0].offset,
1046 prsrc->base.format,
1047 prsrc->slices[0].stride,
1048 0, 0,
1049 transfer->box.width,
1050 transfer->box.height,
1051 trans->map,
1052 transfer->stride,
1053 0, 0);
1054 } else {
1055 panfrost_store_tiled_image(
1056 bo->ptr.cpu + prsrc->slices[transfer->level].offset,
1057 trans->map,
1058 transfer->box.x, transfer->box.y,
1059 transfer->box.width, transfer->box.height,
1060 prsrc->slices[transfer->level].stride,
1061 transfer->stride,
1062 prsrc->internal_format);
1063 }
1064 }
1065 }
1066 }
1067
1068
1069 util_range_add(&prsrc->base, &prsrc->valid_buffer_range,
1070 transfer->box.x,
1071 transfer->box.x + transfer->box.width);
1072
1073 panfrost_minmax_cache_invalidate(prsrc->index_cache, transfer);
1074
1075 /* Derefence the resource */
1076 pipe_resource_reference(&transfer->resource, NULL);
1077
1078 /* Transfer itself is RALLOCed at the moment */
1079 ralloc_free(transfer);
1080 }
1081
1082 static void
panfrost_ptr_flush_region(struct pipe_context * pctx,struct pipe_transfer * transfer,const struct pipe_box * box)1083 panfrost_ptr_flush_region(struct pipe_context *pctx,
1084 struct pipe_transfer *transfer,
1085 const struct pipe_box *box)
1086 {
1087 struct panfrost_resource *rsc = pan_resource(transfer->resource);
1088
1089 if (transfer->resource->target == PIPE_BUFFER) {
1090 util_range_add(&rsc->base, &rsc->valid_buffer_range,
1091 transfer->box.x + box->x,
1092 transfer->box.x + box->x + box->width);
1093 } else {
1094 unsigned level = transfer->level;
1095 rsc->slices[level].initialized = true;
1096 }
1097 }
1098
1099 static void
panfrost_invalidate_resource(struct pipe_context * pctx,struct pipe_resource * prsc)1100 panfrost_invalidate_resource(struct pipe_context *pctx, struct pipe_resource *prsc)
1101 {
1102 /* TODO */
1103 }
1104
1105 static enum pipe_format
panfrost_resource_get_internal_format(struct pipe_resource * rsrc)1106 panfrost_resource_get_internal_format(struct pipe_resource *rsrc)
1107 {
1108 struct panfrost_resource *prsrc = (struct panfrost_resource *) rsrc;
1109 return prsrc->internal_format;
1110 }
1111
1112 static bool
panfrost_generate_mipmap(struct pipe_context * pctx,struct pipe_resource * prsrc,enum pipe_format format,unsigned base_level,unsigned last_level,unsigned first_layer,unsigned last_layer)1113 panfrost_generate_mipmap(
1114 struct pipe_context *pctx,
1115 struct pipe_resource *prsrc,
1116 enum pipe_format format,
1117 unsigned base_level,
1118 unsigned last_level,
1119 unsigned first_layer,
1120 unsigned last_layer)
1121 {
1122 struct panfrost_resource *rsrc = pan_resource(prsrc);
1123
1124 /* Generating a mipmap invalidates the written levels, so make that
1125 * explicit so we don't try to wallpaper them back and end up with
1126 * u_blitter recursion */
1127
1128 assert(rsrc->bo);
1129 for (unsigned l = base_level + 1; l <= last_level; ++l)
1130 rsrc->slices[l].initialized = false;
1131
1132 /* Beyond that, we just delegate the hard stuff. */
1133
1134 bool blit_res = util_gen_mipmap(
1135 pctx, prsrc, format,
1136 base_level, last_level,
1137 first_layer, last_layer,
1138 PIPE_TEX_FILTER_LINEAR);
1139
1140 return blit_res;
1141 }
1142
1143 /* Computes the address to a texture at a particular slice */
1144
1145 mali_ptr
panfrost_get_texture_address(struct panfrost_resource * rsrc,unsigned level,unsigned face,unsigned sample)1146 panfrost_get_texture_address(
1147 struct panfrost_resource *rsrc,
1148 unsigned level, unsigned face, unsigned sample)
1149 {
1150 bool is_3d = rsrc->base.target == PIPE_TEXTURE_3D;
1151 return rsrc->bo->ptr.gpu +
1152 panfrost_texture_offset(rsrc->slices, is_3d,
1153 rsrc->cubemap_stride,
1154 level, face, sample);
1155 }
1156
1157 static void
panfrost_resource_set_stencil(struct pipe_resource * prsrc,struct pipe_resource * stencil)1158 panfrost_resource_set_stencil(struct pipe_resource *prsrc,
1159 struct pipe_resource *stencil)
1160 {
1161 pan_resource(prsrc)->separate_stencil = pan_resource(stencil);
1162 }
1163
1164 static struct pipe_resource *
panfrost_resource_get_stencil(struct pipe_resource * prsrc)1165 panfrost_resource_get_stencil(struct pipe_resource *prsrc)
1166 {
1167 return &pan_resource(prsrc)->separate_stencil->base;
1168 }
1169
1170 static const struct u_transfer_vtbl transfer_vtbl = {
1171 .resource_create = panfrost_resource_create,
1172 .resource_destroy = panfrost_resource_destroy,
1173 .transfer_map = panfrost_ptr_map,
1174 .transfer_unmap = panfrost_ptr_unmap,
1175 .transfer_flush_region = panfrost_ptr_flush_region,
1176 .get_internal_format = panfrost_resource_get_internal_format,
1177 .set_stencil = panfrost_resource_set_stencil,
1178 .get_stencil = panfrost_resource_get_stencil,
1179 };
1180
1181 void
panfrost_resource_screen_init(struct pipe_screen * pscreen)1182 panfrost_resource_screen_init(struct pipe_screen *pscreen)
1183 {
1184 struct panfrost_device *dev = pan_device(pscreen);
1185
1186 bool fake_rgtc = !panfrost_supports_compressed_format(dev, MALI_BC4_UNORM);
1187
1188 pscreen->resource_create_with_modifiers =
1189 panfrost_resource_create_with_modifiers;
1190 pscreen->resource_create = u_transfer_helper_resource_create;
1191 pscreen->resource_destroy = u_transfer_helper_resource_destroy;
1192 pscreen->resource_from_handle = panfrost_resource_from_handle;
1193 pscreen->resource_get_handle = panfrost_resource_get_handle;
1194 pscreen->transfer_helper = u_transfer_helper_create(&transfer_vtbl,
1195 true, false,
1196 fake_rgtc, true);
1197 }
1198
1199 void
panfrost_resource_context_init(struct pipe_context * pctx)1200 panfrost_resource_context_init(struct pipe_context *pctx)
1201 {
1202 pctx->transfer_map = u_transfer_helper_transfer_map;
1203 pctx->transfer_unmap = u_transfer_helper_transfer_unmap;
1204 pctx->create_surface = panfrost_create_surface;
1205 pctx->surface_destroy = panfrost_surface_destroy;
1206 pctx->resource_copy_region = util_resource_copy_region;
1207 pctx->blit = panfrost_blit;
1208 pctx->generate_mipmap = panfrost_generate_mipmap;
1209 pctx->flush_resource = panfrost_flush_resource;
1210 pctx->invalidate_resource = panfrost_invalidate_resource;
1211 pctx->transfer_flush_region = u_transfer_helper_transfer_flush_region;
1212 pctx->buffer_subdata = u_default_buffer_subdata;
1213 pctx->texture_subdata = u_default_texture_subdata;
1214 }
1215