2 * Copyright (C) 2008 VMware, Inc.
3 * Copyright (C) 2014 Broadcom
4 * Copyright (C) 2018-2019 Alyssa Rosenzweig
5 * Copyright (C) 2019 Collabora, Ltd.
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice (including the next
15 * paragraph) shall be included in all copies or substantial portions of the
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
26 * Authors (Collabora):
27 * Tomeu Vizoso <tomeu.vizoso@collabora.com>
28 * Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
34 #include "drm-uapi/drm_fourcc.h"
36 #include "frontend/winsys_handle.h"
37 #include "util/format/u_format.h"
38 #include "util/u_memory.h"
39 #include "util/u_surface.h"
40 #include "util/u_transfer.h"
41 #include "util/u_transfer_helper.h"
42 #include "util/u_gen_mipmap.h"
45 #include "pan_context.h"
46 #include "pan_screen.h"
47 #include "pan_resource.h"
49 #include "pan_tiling.h"
50 #include "pandecode/decode.h"
51 #include "panfrost-quirks.h"
53 /* Wrapper around panfrost_bo_create that handles pandecode */
56 pan_bo_create(struct panfrost_device
*dev
, size_t size
, uint32_t flags
)
58 struct panfrost_bo
*bo
= panfrost_bo_create(dev
, size
, flags
);
60 if (pan_debug
& (PAN_DBG_TRACE
| PAN_DBG_SYNC
)) {
61 if (flags
& PAN_BO_INVISIBLE
)
62 pandecode_inject_mmap(bo
->gpu
, NULL
, bo
->size
, NULL
);
63 else if (!(flags
& PAN_BO_DELAY_MMAP
))
64 pandecode_inject_mmap(bo
->gpu
, bo
->cpu
, bo
->size
, NULL
);
71 panfrost_resource_reset_damage(struct panfrost_resource
*pres
)
73 /* We set the damage extent to the full resource size but keep the
74 * damage box empty so that the FB content is reloaded by default.
76 memset(&pres
->damage
, 0, sizeof(pres
->damage
));
77 pres
->damage
.extent
.maxx
= pres
->base
.width0
;
78 pres
->damage
.extent
.maxy
= pres
->base
.height0
;
81 static struct pipe_resource
*
82 panfrost_resource_from_handle(struct pipe_screen
*pscreen
,
83 const struct pipe_resource
*templat
,
84 struct winsys_handle
*whandle
,
87 struct panfrost_device
*dev
= pan_device(pscreen
);
88 struct panfrost_resource
*rsc
;
89 struct pipe_resource
*prsc
;
91 assert(whandle
->type
== WINSYS_HANDLE_TYPE_FD
);
93 rsc
= rzalloc(pscreen
, struct panfrost_resource
);
101 pipe_reference_init(&prsc
->reference
, 1);
102 prsc
->screen
= pscreen
;
104 rsc
->bo
= panfrost_bo_import(dev
, whandle
->handle
);
105 rsc
->internal_format
= templat
->format
;
106 rsc
->layout
= MALI_TEXTURE_LINEAR
;
107 rsc
->slices
[0].stride
= whandle
->stride
;
108 rsc
->slices
[0].offset
= whandle
->offset
;
109 rsc
->slices
[0].initialized
= true;
110 panfrost_resource_reset_damage(rsc
);
112 if (dev
->quirks
& IS_BIFROST
&&
113 templat
->bind
& PIPE_BIND_RENDER_TARGET
) {
114 unsigned size
= panfrost_compute_checksum_size(
115 &rsc
->slices
[0], templat
->width0
, templat
->height0
);
116 rsc
->slices
[0].checksum_bo
= pan_bo_create(dev
, size
, 0);
117 rsc
->checksummed
= true;
122 renderonly_create_gpu_import_for_resource(prsc
, dev
->ro
, NULL
);
123 /* failure is expected in some cases.. */
130 panfrost_resource_get_handle(struct pipe_screen
*pscreen
,
131 struct pipe_context
*ctx
,
132 struct pipe_resource
*pt
,
133 struct winsys_handle
*handle
,
136 struct panfrost_device
*dev
= pan_device(pscreen
);
137 struct panfrost_resource
*rsrc
= (struct panfrost_resource
*) pt
;
138 struct renderonly_scanout
*scanout
= rsrc
->scanout
;
140 handle
->modifier
= DRM_FORMAT_MOD_INVALID
;
142 if (handle
->type
== WINSYS_HANDLE_TYPE_SHARED
) {
144 } else if (handle
->type
== WINSYS_HANDLE_TYPE_KMS
) {
145 if (renderonly_get_handle(scanout
, handle
))
148 handle
->handle
= rsrc
->bo
->gem_handle
;
149 handle
->stride
= rsrc
->slices
[0].stride
;
150 handle
->offset
= rsrc
->slices
[0].offset
;
152 } else if (handle
->type
== WINSYS_HANDLE_TYPE_FD
) {
154 struct drm_prime_handle args
= {
155 .handle
= scanout
->handle
,
156 .flags
= DRM_CLOEXEC
,
159 int ret
= drmIoctl(dev
->ro
->kms_fd
, DRM_IOCTL_PRIME_HANDLE_TO_FD
, &args
);
163 handle
->stride
= scanout
->stride
;
164 handle
->handle
= args
.fd
;
168 int fd
= panfrost_bo_export(rsrc
->bo
);
174 handle
->stride
= rsrc
->slices
[0].stride
;
175 handle
->offset
= rsrc
->slices
[0].offset
;
184 panfrost_flush_resource(struct pipe_context
*pctx
, struct pipe_resource
*prsc
)
186 //DBG("TODO %s\n", __func__);
189 static struct pipe_surface
*
190 panfrost_create_surface(struct pipe_context
*pipe
,
191 struct pipe_resource
*pt
,
192 const struct pipe_surface
*surf_tmpl
)
194 struct pipe_surface
*ps
= NULL
;
196 ps
= rzalloc(pipe
, struct pipe_surface
);
199 pipe_reference_init(&ps
->reference
, 1);
200 pipe_resource_reference(&ps
->texture
, pt
);
202 ps
->format
= surf_tmpl
->format
;
204 if (pt
->target
!= PIPE_BUFFER
) {
205 assert(surf_tmpl
->u
.tex
.level
<= pt
->last_level
);
206 ps
->width
= u_minify(pt
->width0
, surf_tmpl
->u
.tex
.level
);
207 ps
->height
= u_minify(pt
->height0
, surf_tmpl
->u
.tex
.level
);
208 ps
->u
.tex
.level
= surf_tmpl
->u
.tex
.level
;
209 ps
->u
.tex
.first_layer
= surf_tmpl
->u
.tex
.first_layer
;
210 ps
->u
.tex
.last_layer
= surf_tmpl
->u
.tex
.last_layer
;
212 /* setting width as number of elements should get us correct renderbuffer width */
213 ps
->width
= surf_tmpl
->u
.buf
.last_element
- surf_tmpl
->u
.buf
.first_element
+ 1;
214 ps
->height
= pt
->height0
;
215 ps
->u
.buf
.first_element
= surf_tmpl
->u
.buf
.first_element
;
216 ps
->u
.buf
.last_element
= surf_tmpl
->u
.buf
.last_element
;
217 assert(ps
->u
.buf
.first_element
<= ps
->u
.buf
.last_element
);
218 assert(ps
->u
.buf
.last_element
< ps
->width
);
226 panfrost_surface_destroy(struct pipe_context
*pipe
,
227 struct pipe_surface
*surf
)
229 assert(surf
->texture
);
230 pipe_resource_reference(&surf
->texture
, NULL
);
234 static struct pipe_resource
*
235 panfrost_create_scanout_res(struct pipe_screen
*screen
,
236 const struct pipe_resource
*template)
238 struct panfrost_device
*dev
= pan_device(screen
);
239 struct pipe_resource scanout_templat
= *template;
240 struct renderonly_scanout
*scanout
;
241 struct winsys_handle handle
;
242 struct pipe_resource
*res
;
244 scanout
= renderonly_scanout_for_resource(&scanout_templat
,
249 assert(handle
.type
== WINSYS_HANDLE_TYPE_FD
);
250 /* TODO: handle modifiers? */
251 res
= screen
->resource_from_handle(screen
, template, &handle
,
252 PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE
);
253 close(handle
.handle
);
257 struct panfrost_resource
*pres
= pan_resource(res
);
259 pres
->scanout
= scanout
;
264 /* Setup the mip tree given a particular layout, possibly with checksumming */
267 panfrost_setup_slices(struct panfrost_resource
*pres
, size_t *bo_size
)
269 struct pipe_resource
*res
= &pres
->base
;
270 unsigned width
= res
->width0
;
271 unsigned height
= res
->height0
;
272 unsigned depth
= res
->depth0
;
273 unsigned bytes_per_pixel
= util_format_get_blocksize(pres
->internal_format
);
277 /* Tiled operates blockwise; linear is packed. Also, anything
278 * we render to has to be tile-aligned. Maybe not strictly
279 * necessary, but we're not *that* pressed for memory and it
280 * makes code a lot simpler */
282 bool renderable
= res
->bind
&
283 (PIPE_BIND_RENDER_TARGET
| PIPE_BIND_DEPTH_STENCIL
) &&
284 res
->target
!= PIPE_BUFFER
;
285 bool afbc
= pres
->layout
== MALI_TEXTURE_AFBC
;
286 bool tiled
= pres
->layout
== MALI_TEXTURE_TILED
;
287 bool should_align
= renderable
|| tiled
;
289 /* We don't know how to specify a 2D stride for 3D textures */
291 bool can_align_stride
=
292 res
->target
!= PIPE_TEXTURE_3D
;
294 should_align
&= can_align_stride
;
297 unsigned size_2d
= 0;
299 for (unsigned l
= 0; l
<= res
->last_level
; ++l
) {
300 struct panfrost_slice
*slice
= &pres
->slices
[l
];
302 unsigned effective_width
= width
;
303 unsigned effective_height
= height
;
304 unsigned effective_depth
= depth
;
307 effective_width
= ALIGN_POT(effective_width
, 16);
308 effective_height
= ALIGN_POT(effective_height
, 16);
310 /* We don't need to align depth */
313 /* Align levels to cache-line as a performance improvement for
314 * linear/tiled and as a requirement for AFBC */
316 offset
= ALIGN_POT(offset
, 64);
318 slice
->offset
= offset
;
320 /* Compute the would-be stride */
321 unsigned stride
= bytes_per_pixel
* effective_width
;
323 if (util_format_is_compressed(pres
->internal_format
))
326 /* ..but cache-line align it for performance */
327 if (can_align_stride
&& pres
->layout
== MALI_TEXTURE_LINEAR
)
328 stride
= ALIGN_POT(stride
, 64);
330 slice
->stride
= stride
;
332 unsigned slice_one_size
= slice
->stride
* effective_height
;
333 unsigned slice_full_size
= slice_one_size
* effective_depth
;
335 slice
->size0
= slice_one_size
;
337 /* Report 2D size for 3D texturing */
340 size_2d
= slice_one_size
;
342 /* Compute AFBC sizes if necessary */
345 panfrost_afbc_header_size(width
, height
);
347 offset
+= slice
->header_size
;
350 offset
+= slice_full_size
;
352 /* Add a checksum region if necessary */
353 if (pres
->checksummed
) {
354 slice
->checksum_offset
= offset
;
356 unsigned size
= panfrost_compute_checksum_size(
357 slice
, width
, height
);
362 width
= u_minify(width
, 1);
363 height
= u_minify(height
, 1);
364 depth
= u_minify(depth
, 1);
367 assert(res
->array_size
);
369 if (res
->target
!= PIPE_TEXTURE_3D
) {
370 /* Arrays and cubemaps have the entire miptree duplicated */
372 pres
->cubemap_stride
= ALIGN_POT(offset
, 64);
373 *bo_size
= ALIGN_POT(pres
->cubemap_stride
* res
->array_size
, 4096);
375 /* 3D strides across the 2D layers */
376 assert(res
->array_size
== 1);
378 pres
->cubemap_stride
= size_2d
;
379 *bo_size
= ALIGN_POT(offset
, 4096);
384 panfrost_resource_create_bo(struct panfrost_device
*dev
, struct panfrost_resource
*pres
)
386 struct pipe_resource
*res
= &pres
->base
;
388 /* Based on the usage, figure out what storing will be used. There are
391 * Linear: the basic format, bad for memory bandwidth, bad for cache
392 * use. Zero-copy, though. Renderable.
394 * Tiled: Not compressed, but cache-optimized. Expensive to write into
395 * (due to software tiling), but cheap to sample from. Ideal for most
398 * AFBC: Compressed and renderable (so always desirable for non-scanout
399 * rendertargets). Cheap to sample from. The format is black box, so we
400 * can't read/write from software.
402 * Tiling textures is almost always faster, unless we only use it once.
403 * Only a few types of resources can be tiled, ensure the bind is only
404 * (a combination of) one of the following */
406 const unsigned valid_binding
=
407 PIPE_BIND_DEPTH_STENCIL
|
408 PIPE_BIND_RENDER_TARGET
|
409 PIPE_BIND_BLENDABLE
|
410 PIPE_BIND_SAMPLER_VIEW
|
411 PIPE_BIND_DISPLAY_TARGET
;
413 unsigned bpp
= util_format_get_blocksizebits(pres
->internal_format
);
414 bool is_2d
= (res
->target
== PIPE_TEXTURE_2D
) || (res
->target
== PIPE_TEXTURE_RECT
);
415 bool is_sane_bpp
= bpp
== 8 || bpp
== 16 || bpp
== 24 || bpp
== 32 || bpp
== 64 || bpp
== 128;
416 bool should_tile
= (res
->usage
!= PIPE_USAGE_STREAM
);
417 bool must_tile
= (res
->bind
& PIPE_BIND_DEPTH_STENCIL
) &&
418 (dev
->quirks
& (MIDGARD_SFBD
| IS_BIFROST
));
419 bool can_tile
= is_2d
&& is_sane_bpp
&& ((res
->bind
& ~valid_binding
) == 0);
421 /* FBOs we would like to checksum, if at all possible */
422 bool can_checksum
= !(res
->bind
& ~valid_binding
);
423 bool should_checksum
= res
->bind
& PIPE_BIND_RENDER_TARGET
;
425 pres
->checksummed
= can_checksum
&& should_checksum
;
427 /* Set the layout appropriately */
428 assert(!(must_tile
&& !can_tile
)); /* must_tile => can_tile */
429 pres
->layout
= ((can_tile
&& should_tile
) || must_tile
) ? MALI_TEXTURE_TILED
: MALI_TEXTURE_LINEAR
;
433 panfrost_setup_slices(pres
, &bo_size
);
435 /* We create a BO immediately but don't bother mapping, since we don't
436 * care to map e.g. FBOs which the CPU probably won't touch */
437 pres
->bo
= pan_bo_create(dev
, bo_size
, PAN_BO_DELAY_MMAP
);
441 panfrost_resource_set_damage_region(struct pipe_screen
*screen
,
442 struct pipe_resource
*res
,
444 const struct pipe_box
*rects
)
446 struct panfrost_resource
*pres
= pan_resource(res
);
447 struct pipe_box
*damage_rect
= &pres
->damage
.biggest_rect
;
448 struct pipe_scissor_state
*damage_extent
= &pres
->damage
.extent
;
452 panfrost_resource_reset_damage(pres
);
456 /* We keep track of 2 different things here:
457 * 1 the damage extent: the quad including all damage regions. Will be
458 * used restrict the rendering area
459 * 2 the biggest damage rectangle: when there are more than one damage
460 * rect we keep the biggest one and will generate 4 wallpaper quads
461 * out of it (see panfrost_draw_wallpaper() for more details). We
462 * might want to do something smarter at some point.
464 * _________________________________
466 * | _________________________ |
467 * | | rect1| _________| |
468 * | |______|_____ | rect 3: | |
469 * | | | rect2 | | biggest | |
470 * | | |_______| | rect | |
471 * | |_______________|_________| |
473 * |_______________________________|
476 memset(&pres
->damage
, 0, sizeof(pres
->damage
));
477 damage_extent
->minx
= 0xffff;
478 damage_extent
->miny
= 0xffff;
479 for (i
= 0; i
< nrects
; i
++) {
480 int x
= rects
[i
].x
, w
= rects
[i
].width
, h
= rects
[i
].height
;
481 int y
= res
->height0
- (rects
[i
].y
+ h
);
483 /* Clamp x,y,w,h to prevent negative values. */
495 if (damage_rect
->width
* damage_rect
->height
< w
* h
)
496 u_box_2d(x
, y
, w
, h
, damage_rect
);
498 damage_extent
->minx
= MIN2(damage_extent
->minx
, x
);
499 damage_extent
->miny
= MIN2(damage_extent
->miny
, y
);
500 damage_extent
->maxx
= MAX2(damage_extent
->maxx
,
501 MIN2(x
+ w
, res
->width0
));
502 damage_extent
->maxy
= MAX2(damage_extent
->maxy
,
503 MIN2(y
+ h
, res
->height0
));
507 static struct pipe_resource
*
508 panfrost_resource_create(struct pipe_screen
*screen
,
509 const struct pipe_resource
*template)
511 struct panfrost_device
*dev
= pan_device(screen
);
513 /* Make sure we're familiar */
514 switch (template->target
) {
516 case PIPE_TEXTURE_1D
:
517 case PIPE_TEXTURE_2D
:
518 case PIPE_TEXTURE_3D
:
519 case PIPE_TEXTURE_CUBE
:
520 case PIPE_TEXTURE_RECT
:
521 case PIPE_TEXTURE_2D_ARRAY
:
524 DBG("Unknown texture target %d\n", template->target
);
528 if (dev
->ro
&& (template->bind
&
529 (PIPE_BIND_DISPLAY_TARGET
| PIPE_BIND_SCANOUT
| PIPE_BIND_SHARED
)))
530 return panfrost_create_scanout_res(screen
, template);
532 struct panfrost_resource
*so
= rzalloc(screen
, struct panfrost_resource
);
533 so
->base
= *template;
534 so
->base
.screen
= screen
;
535 so
->internal_format
= template->format
;
537 pipe_reference_init(&so
->base
.reference
, 1);
539 util_range_init(&so
->valid_buffer_range
);
541 panfrost_resource_create_bo(dev
, so
);
542 panfrost_resource_reset_damage(so
);
544 if (template->bind
& PIPE_BIND_INDEX_BUFFER
)
545 so
->index_cache
= rzalloc(so
, struct panfrost_minmax_cache
);
547 return (struct pipe_resource
*)so
;
551 panfrost_resource_destroy(struct pipe_screen
*screen
,
552 struct pipe_resource
*pt
)
554 struct panfrost_device
*dev
= pan_device(screen
);
555 struct panfrost_resource
*rsrc
= (struct panfrost_resource
*) pt
;
558 renderonly_scanout_destroy(rsrc
->scanout
, dev
->ro
);
561 panfrost_bo_unreference(rsrc
->bo
);
563 if (rsrc
->slices
[0].checksum_bo
)
564 panfrost_bo_unreference(rsrc
->slices
[0].checksum_bo
);
566 util_range_destroy(&rsrc
->valid_buffer_range
);
572 panfrost_transfer_map(struct pipe_context
*pctx
,
573 struct pipe_resource
*resource
,
575 unsigned usage
, /* a combination of PIPE_TRANSFER_x */
576 const struct pipe_box
*box
,
577 struct pipe_transfer
**out_transfer
)
579 struct panfrost_context
*ctx
= pan_context(pctx
);
580 struct panfrost_resource
*rsrc
= pan_resource(resource
);
581 int bytes_per_pixel
= util_format_get_blocksize(rsrc
->internal_format
);
582 struct panfrost_bo
*bo
= rsrc
->bo
;
584 struct panfrost_gtransfer
*transfer
= rzalloc(pctx
, struct panfrost_gtransfer
);
585 transfer
->base
.level
= level
;
586 transfer
->base
.usage
= usage
;
587 transfer
->base
.box
= *box
;
589 pipe_resource_reference(&transfer
->base
.resource
, resource
);
591 *out_transfer
= &transfer
->base
;
593 /* If we haven't already mmaped, now's the time */
594 panfrost_bo_mmap(bo
);
596 if (pan_debug
& (PAN_DBG_TRACE
| PAN_DBG_SYNC
))
597 pandecode_inject_mmap(bo
->gpu
, bo
->cpu
, bo
->size
, NULL
);
599 if (usage
& PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE
) {
600 /* If the BO is used by one of the pending batches or if it's
601 * not ready yet (still accessed by one of the already flushed
602 * batches), we try to allocate a new one to avoid waiting.
604 if (panfrost_pending_batches_access_bo(ctx
, bo
) ||
605 !panfrost_bo_wait(bo
, 0, PAN_BO_ACCESS_RW
)) {
606 struct panfrost_device
*dev
= pan_device(pctx
->screen
);
607 /* We want the BO to be MMAPed. */
608 uint32_t flags
= bo
->flags
& ~PAN_BO_DELAY_MMAP
;
609 struct panfrost_bo
*newbo
= NULL
;
611 /* When the BO has been imported/exported, we can't
612 * replace it by another one, otherwise the
613 * importer/exporter wouldn't see the change we're
616 if (!(bo
->flags
& (PAN_BO_IMPORTED
| PAN_BO_EXPORTED
)))
617 newbo
= pan_bo_create(dev
, bo
->size
,
621 panfrost_bo_unreference(bo
);
625 uint32_t access
= PAN_BO_ACCESS_RW
;
627 /* Allocation failed or was impossible, let's
628 * fall back on a flush+wait.
630 panfrost_flush_batches_accessing_bo(ctx
, bo
,
632 panfrost_bo_wait(bo
, INT64_MAX
, access
);
635 } else if ((usage
& PIPE_TRANSFER_WRITE
)
636 && resource
->target
== PIPE_BUFFER
637 && !util_ranges_intersect(&rsrc
->valid_buffer_range
, box
->x
, box
->x
+ box
->width
)) {
638 /* No flush for writes to uninitialized */
639 } else if (!(usage
& PIPE_TRANSFER_UNSYNCHRONIZED
)) {
640 if (usage
& PIPE_TRANSFER_WRITE
) {
641 panfrost_flush_batches_accessing_bo(ctx
, bo
, PAN_BO_ACCESS_RW
);
642 panfrost_bo_wait(bo
, INT64_MAX
, PAN_BO_ACCESS_RW
);
643 } else if (usage
& PIPE_TRANSFER_READ
) {
644 panfrost_flush_batches_accessing_bo(ctx
, bo
, PAN_BO_ACCESS_WRITE
);
645 panfrost_bo_wait(bo
, INT64_MAX
, PAN_BO_ACCESS_WRITE
);
649 if (rsrc
->layout
!= MALI_TEXTURE_LINEAR
) {
650 /* Non-linear resources need to be indirectly mapped */
652 if (usage
& PIPE_TRANSFER_MAP_DIRECTLY
)
655 transfer
->base
.stride
= box
->width
* bytes_per_pixel
;
656 transfer
->base
.layer_stride
= transfer
->base
.stride
* box
->height
;
657 transfer
->map
= ralloc_size(transfer
, transfer
->base
.layer_stride
* box
->depth
);
658 assert(box
->depth
== 1);
660 if ((usage
& PIPE_TRANSFER_READ
) && rsrc
->slices
[level
].initialized
) {
661 if (rsrc
->layout
== MALI_TEXTURE_AFBC
) {
662 DBG("Unimplemented: reads from AFBC");
663 } else if (rsrc
->layout
== MALI_TEXTURE_TILED
) {
664 panfrost_load_tiled_image(
666 bo
->cpu
+ rsrc
->slices
[level
].offset
,
667 box
->x
, box
->y
, box
->width
, box
->height
,
668 transfer
->base
.stride
,
669 rsrc
->slices
[level
].stride
,
670 rsrc
->internal_format
);
674 return transfer
->map
;
676 /* Direct, persistent writes create holes in time for
677 * caching... I don't know if this is actually possible but we
678 * should still get it right */
680 unsigned dpw
= PIPE_TRANSFER_MAP_DIRECTLY
| PIPE_TRANSFER_WRITE
| PIPE_TRANSFER_PERSISTENT
;
682 if ((usage
& dpw
) == dpw
&& rsrc
->index_cache
)
685 transfer
->base
.stride
= rsrc
->slices
[level
].stride
;
686 transfer
->base
.layer_stride
= panfrost_get_layer_stride(
687 rsrc
->slices
, rsrc
->base
.target
== PIPE_TEXTURE_3D
,
688 rsrc
->cubemap_stride
, level
);
690 /* By mapping direct-write, we're implicitly already
691 * initialized (maybe), so be conservative */
693 if ((usage
& PIPE_TRANSFER_WRITE
) && (usage
& PIPE_TRANSFER_MAP_DIRECTLY
)) {
694 rsrc
->slices
[level
].initialized
= true;
695 panfrost_minmax_cache_invalidate(rsrc
->index_cache
, &transfer
->base
);
699 + rsrc
->slices
[level
].offset
700 + transfer
->base
.box
.z
* transfer
->base
.layer_stride
701 + transfer
->base
.box
.y
* rsrc
->slices
[level
].stride
702 + transfer
->base
.box
.x
* bytes_per_pixel
;
707 panfrost_transfer_unmap(struct pipe_context
*pctx
,
708 struct pipe_transfer
*transfer
)
710 /* Gallium expects writeback here, so we tile */
712 struct panfrost_gtransfer
*trans
= pan_transfer(transfer
);
713 struct panfrost_resource
*prsrc
= (struct panfrost_resource
*) transfer
->resource
;
715 /* Mark whatever we wrote as written */
716 if (transfer
->usage
& PIPE_TRANSFER_WRITE
)
717 prsrc
->slices
[transfer
->level
].initialized
= true;
720 struct panfrost_bo
*bo
= prsrc
->bo
;
722 if (transfer
->usage
& PIPE_TRANSFER_WRITE
) {
723 if (prsrc
->layout
== MALI_TEXTURE_AFBC
) {
724 DBG("Unimplemented: writes to AFBC\n");
725 } else if (prsrc
->layout
== MALI_TEXTURE_TILED
) {
726 assert(transfer
->box
.depth
== 1);
728 panfrost_store_tiled_image(
729 bo
->cpu
+ prsrc
->slices
[transfer
->level
].offset
,
731 transfer
->box
.x
, transfer
->box
.y
,
732 transfer
->box
.width
, transfer
->box
.height
,
733 prsrc
->slices
[transfer
->level
].stride
,
735 prsrc
->internal_format
);
741 util_range_add(&prsrc
->base
, &prsrc
->valid_buffer_range
,
743 transfer
->box
.x
+ transfer
->box
.width
);
745 panfrost_minmax_cache_invalidate(prsrc
->index_cache
, transfer
);
747 /* Derefence the resource */
748 pipe_resource_reference(&transfer
->resource
, NULL
);
750 /* Transfer itself is RALLOCed at the moment */
751 ralloc_free(transfer
);
755 panfrost_transfer_flush_region(struct pipe_context
*pctx
,
756 struct pipe_transfer
*transfer
,
757 const struct pipe_box
*box
)
759 struct panfrost_resource
*rsc
= pan_resource(transfer
->resource
);
761 if (transfer
->resource
->target
== PIPE_BUFFER
) {
762 util_range_add(&rsc
->base
, &rsc
->valid_buffer_range
,
763 transfer
->box
.x
+ box
->x
,
764 transfer
->box
.x
+ box
->x
+ box
->width
);
766 unsigned level
= transfer
->level
;
767 rsc
->slices
[level
].initialized
= true;
772 panfrost_invalidate_resource(struct pipe_context
*pctx
, struct pipe_resource
*prsc
)
774 //DBG("TODO %s\n", __func__);
777 static enum pipe_format
778 panfrost_resource_get_internal_format(struct pipe_resource
*rsrc
)
780 struct panfrost_resource
*prsrc
= (struct panfrost_resource
*) rsrc
;
781 return prsrc
->internal_format
;
785 panfrost_generate_mipmap(
786 struct pipe_context
*pctx
,
787 struct pipe_resource
*prsrc
,
788 enum pipe_format format
,
791 unsigned first_layer
,
794 struct panfrost_resource
*rsrc
= pan_resource(prsrc
);
796 /* Generating a mipmap invalidates the written levels, so make that
797 * explicit so we don't try to wallpaper them back and end up with
798 * u_blitter recursion */
801 for (unsigned l
= base_level
+ 1; l
<= last_level
; ++l
)
802 rsrc
->slices
[l
].initialized
= false;
804 /* Beyond that, we just delegate the hard stuff. */
806 bool blit_res
= util_gen_mipmap(
808 base_level
, last_level
,
809 first_layer
, last_layer
,
810 PIPE_TEX_FILTER_LINEAR
);
815 /* Computes the address to a texture at a particular slice */
818 panfrost_get_texture_address(
819 struct panfrost_resource
*rsrc
,
820 unsigned level
, unsigned face
)
822 bool is_3d
= rsrc
->base
.target
== PIPE_TEXTURE_3D
;
823 return rsrc
->bo
->gpu
+ panfrost_texture_offset(rsrc
->slices
, is_3d
, rsrc
->cubemap_stride
, level
, face
);
826 /* Given a resource that has already been allocated, hint that it should use a
827 * given layout. These are suggestions, not commands; it is perfectly legal to
828 * stub out this function, but there will be performance implications. */
831 panfrost_resource_hint_layout(
832 struct panfrost_device
*dev
,
833 struct panfrost_resource
*rsrc
,
834 enum mali_texture_layout layout
,
837 /* Nothing to do, although a sophisticated implementation might store
840 if (rsrc
->layout
== layout
)
843 /* We don't use the weight yet, but we should check that it's positive
844 * (semantically meaning that we should choose the given `layout`) */
849 /* Check if the preferred layout is legal for this buffer */
851 if (layout
== MALI_TEXTURE_AFBC
) {
852 bool can_afbc
= panfrost_format_supports_afbc(rsrc
->internal_format
);
853 bool is_scanout
= rsrc
->base
.bind
&
854 (PIPE_BIND_DISPLAY_TARGET
| PIPE_BIND_SCANOUT
| PIPE_BIND_SHARED
);
856 if (!can_afbc
|| is_scanout
)
860 /* Simple heuristic so far: if the resource is uninitialized, switch to
861 * the hinted layout. If it is initialized, keep the original layout.
862 * This misses some cases where it would be beneficial to switch and
865 bool is_initialized
= false;
867 for (unsigned i
= 0; i
< MAX_MIP_LEVELS
; ++i
)
868 is_initialized
|= rsrc
->slices
[i
].initialized
;
873 /* We're uninitialized, so do a layout switch. Reinitialize slices. */
876 rsrc
->layout
= layout
;
877 panfrost_setup_slices(rsrc
, &new_size
);
879 /* If we grew in size, reallocate the BO */
880 if (new_size
> rsrc
->bo
->size
) {
881 panfrost_bo_unreference(rsrc
->bo
);
882 rsrc
->bo
= pan_bo_create(dev
, new_size
, PAN_BO_DELAY_MMAP
);
885 /* TODO: If there are textures bound, regenerate their descriptors */
889 panfrost_resource_set_stencil(struct pipe_resource
*prsrc
,
890 struct pipe_resource
*stencil
)
892 pan_resource(prsrc
)->separate_stencil
= pan_resource(stencil
);
895 static struct pipe_resource
*
896 panfrost_resource_get_stencil(struct pipe_resource
*prsrc
)
898 return &pan_resource(prsrc
)->separate_stencil
->base
;
901 static const struct u_transfer_vtbl transfer_vtbl
= {
902 .resource_create
= panfrost_resource_create
,
903 .resource_destroy
= panfrost_resource_destroy
,
904 .transfer_map
= panfrost_transfer_map
,
905 .transfer_unmap
= panfrost_transfer_unmap
,
906 .transfer_flush_region
= panfrost_transfer_flush_region
,
907 .get_internal_format
= panfrost_resource_get_internal_format
,
908 .set_stencil
= panfrost_resource_set_stencil
,
909 .get_stencil
= panfrost_resource_get_stencil
,
913 panfrost_resource_screen_init(struct pipe_screen
*pscreen
)
915 //pscreen->base.resource_create_with_modifiers =
916 // panfrost_resource_create_with_modifiers;
917 pscreen
->resource_create
= u_transfer_helper_resource_create
;
918 pscreen
->resource_destroy
= u_transfer_helper_resource_destroy
;
919 pscreen
->resource_from_handle
= panfrost_resource_from_handle
;
920 pscreen
->resource_get_handle
= panfrost_resource_get_handle
;
921 pscreen
->transfer_helper
= u_transfer_helper_create(&transfer_vtbl
,
927 panfrost_resource_context_init(struct pipe_context
*pctx
)
929 pctx
->transfer_map
= u_transfer_helper_transfer_map
;
930 pctx
->transfer_unmap
= u_transfer_helper_transfer_unmap
;
931 pctx
->create_surface
= panfrost_create_surface
;
932 pctx
->surface_destroy
= panfrost_surface_destroy
;
933 pctx
->resource_copy_region
= util_resource_copy_region
;
934 pctx
->blit
= panfrost_blit
;
935 pctx
->generate_mipmap
= panfrost_generate_mipmap
;
936 pctx
->flush_resource
= panfrost_flush_resource
;
937 pctx
->invalidate_resource
= panfrost_invalidate_resource
;
938 pctx
->transfer_flush_region
= u_transfer_helper_transfer_flush_region
;
939 pctx
->buffer_subdata
= u_default_buffer_subdata
;
940 pctx
->texture_subdata
= u_default_texture_subdata
;