2 * Copyright 2014, 2015 Red Hat.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE.
27 #include <sys/ioctl.h>
30 #include "os/os_mman.h"
31 #include "os/os_time.h"
32 #include "util/u_memory.h"
33 #include "util/u_format.h"
34 #include "util/u_hash_table.h"
35 #include "util/u_inlines.h"
36 #include "state_tracker/drm_driver.h"
37 #include "virgl/virgl_screen.h"
38 #include "virgl/virgl_public.h"
41 #include "virtgpu_drm.h"
43 #include "virgl_drm_winsys.h"
44 #include "virgl_drm_public.h"
46 static inline boolean
can_cache_resource(struct virgl_hw_res
*res
)
48 return res
->cacheable
== TRUE
;
51 static void virgl_hw_res_destroy(struct virgl_drm_winsys
*qdws
,
52 struct virgl_hw_res
*res
)
54 struct drm_gem_close args
;
57 pipe_mutex_lock(qdws
->bo_handles_mutex
);
58 util_hash_table_remove(qdws
->bo_names
,
59 (void *)(uintptr_t)res
->flink
);
60 pipe_mutex_unlock(qdws
->bo_handles_mutex
);
64 pipe_mutex_lock(qdws
->bo_handles_mutex
);
65 util_hash_table_remove(qdws
->bo_handles
,
66 (void *)(uintptr_t)res
->bo_handle
);
67 pipe_mutex_unlock(qdws
->bo_handles_mutex
);
71 os_munmap(res
->ptr
, res
->size
);
73 memset(&args
, 0, sizeof(args
));
74 args
.handle
= res
->bo_handle
;
75 drmIoctl(qdws
->fd
, DRM_IOCTL_GEM_CLOSE
, &args
);
79 static boolean
virgl_drm_resource_is_busy(struct virgl_drm_winsys
*qdws
,
80 struct virgl_hw_res
*res
)
82 struct drm_virtgpu_3d_wait waitcmd
;
85 memset(&waitcmd
, 0, sizeof(waitcmd
));
86 waitcmd
.handle
= res
->bo_handle
;
87 waitcmd
.flags
= VIRTGPU_WAIT_NOWAIT
;
89 ret
= drmIoctl(qdws
->fd
, DRM_IOCTL_VIRTGPU_WAIT
, &waitcmd
);
90 if (ret
&& errno
== EBUSY
)
96 virgl_cache_flush(struct virgl_drm_winsys
*qdws
)
98 struct list_head
*curr
, *next
;
99 struct virgl_hw_res
*res
;
101 pipe_mutex_lock(qdws
->mutex
);
102 curr
= qdws
->delayed
.next
;
105 while (curr
!= &qdws
->delayed
) {
106 res
= LIST_ENTRY(struct virgl_hw_res
, curr
, head
);
107 LIST_DEL(&res
->head
);
108 virgl_hw_res_destroy(qdws
, res
);
112 pipe_mutex_unlock(qdws
->mutex
);
115 virgl_drm_winsys_destroy(struct virgl_winsys
*qws
)
117 struct virgl_drm_winsys
*qdws
= virgl_drm_winsys(qws
);
119 virgl_cache_flush(qdws
);
121 util_hash_table_destroy(qdws
->bo_handles
);
122 util_hash_table_destroy(qdws
->bo_names
);
123 pipe_mutex_destroy(qdws
->bo_handles_mutex
);
124 pipe_mutex_destroy(qdws
->mutex
);
130 virgl_cache_list_check_free(struct virgl_drm_winsys
*qdws
)
132 struct list_head
*curr
, *next
;
133 struct virgl_hw_res
*res
;
137 curr
= qdws
->delayed
.next
;
139 while (curr
!= &qdws
->delayed
) {
140 res
= LIST_ENTRY(struct virgl_hw_res
, curr
, head
);
141 if (!os_time_timeout(res
->start
, res
->end
, now
))
144 LIST_DEL(&res
->head
);
145 virgl_hw_res_destroy(qdws
, res
);
151 static void virgl_drm_resource_reference(struct virgl_drm_winsys
*qdws
,
152 struct virgl_hw_res
**dres
,
153 struct virgl_hw_res
*sres
)
155 struct virgl_hw_res
*old
= *dres
;
156 if (pipe_reference(&(*dres
)->reference
, &sres
->reference
)) {
158 if (!can_cache_resource(old
)) {
159 virgl_hw_res_destroy(qdws
, old
);
161 pipe_mutex_lock(qdws
->mutex
);
162 virgl_cache_list_check_free(qdws
);
164 old
->start
= os_time_get();
165 old
->end
= old
->start
+ qdws
->usecs
;
166 LIST_ADDTAIL(&old
->head
, &qdws
->delayed
);
168 pipe_mutex_unlock(qdws
->mutex
);
174 static struct virgl_hw_res
*
175 virgl_drm_winsys_resource_create(struct virgl_winsys
*qws
,
176 enum pipe_texture_target target
,
187 struct virgl_drm_winsys
*qdws
= virgl_drm_winsys(qws
);
188 struct drm_virtgpu_resource_create createcmd
;
190 struct virgl_hw_res
*res
;
191 uint32_t stride
= width
* util_format_get_blocksize(format
);
193 res
= CALLOC_STRUCT(virgl_hw_res
);
197 memset(&createcmd
, 0, sizeof(createcmd
));
198 createcmd
.target
= target
;
199 createcmd
.format
= format
;
200 createcmd
.bind
= bind
;
201 createcmd
.width
= width
;
202 createcmd
.height
= height
;
203 createcmd
.depth
= depth
;
204 createcmd
.array_size
= array_size
;
205 createcmd
.last_level
= last_level
;
206 createcmd
.nr_samples
= nr_samples
;
207 createcmd
.stride
= stride
;
208 createcmd
.size
= size
;
210 ret
= drmIoctl(qdws
->fd
, DRM_IOCTL_VIRTGPU_RESOURCE_CREATE
, &createcmd
);
217 res
->format
= format
;
219 res
->res_handle
= createcmd
.res_handle
;
220 res
->bo_handle
= createcmd
.bo_handle
;
222 res
->stride
= stride
;
223 pipe_reference_init(&res
->reference
, 1);
224 res
->num_cs_references
= 0;
228 static inline int virgl_is_res_compat(struct virgl_drm_winsys
*qdws
,
229 struct virgl_hw_res
*res
,
230 uint32_t size
, uint32_t bind
,
233 if (res
->bind
!= bind
)
235 if (res
->format
!= format
)
237 if (res
->size
< size
)
239 if (res
->size
> size
* 2)
242 if (virgl_drm_resource_is_busy(qdws
, res
)) {
250 virgl_bo_transfer_put(struct virgl_winsys
*vws
,
251 struct virgl_hw_res
*res
,
252 const struct pipe_box
*box
,
253 uint32_t stride
, uint32_t layer_stride
,
254 uint32_t buf_offset
, uint32_t level
)
256 struct virgl_drm_winsys
*vdws
= virgl_drm_winsys(vws
);
257 struct drm_virtgpu_3d_transfer_to_host tohostcmd
;
259 memset(&tohostcmd
, 0, sizeof(tohostcmd
));
260 tohostcmd
.bo_handle
= res
->bo_handle
;
261 tohostcmd
.box
= *(struct drm_virtgpu_3d_box
*)box
;
262 tohostcmd
.offset
= buf_offset
;
263 tohostcmd
.level
= level
;
264 // tohostcmd.stride = stride;
265 // tohostcmd.layer_stride = stride;
266 return drmIoctl(vdws
->fd
, DRM_IOCTL_VIRTGPU_TRANSFER_TO_HOST
, &tohostcmd
);
270 virgl_bo_transfer_get(struct virgl_winsys
*vws
,
271 struct virgl_hw_res
*res
,
272 const struct pipe_box
*box
,
273 uint32_t stride
, uint32_t layer_stride
,
274 uint32_t buf_offset
, uint32_t level
)
276 struct virgl_drm_winsys
*vdws
= virgl_drm_winsys(vws
);
277 struct drm_virtgpu_3d_transfer_from_host fromhostcmd
;
279 memset(&fromhostcmd
, 0, sizeof(fromhostcmd
));
280 fromhostcmd
.bo_handle
= res
->bo_handle
;
281 fromhostcmd
.level
= level
;
282 fromhostcmd
.offset
= buf_offset
;
283 // fromhostcmd.stride = stride;
284 // fromhostcmd.layer_stride = layer_stride;
285 fromhostcmd
.box
= *(struct drm_virtgpu_3d_box
*)box
;
286 return drmIoctl(vdws
->fd
, DRM_IOCTL_VIRTGPU_TRANSFER_FROM_HOST
, &fromhostcmd
);
289 static struct virgl_hw_res
*
290 virgl_drm_winsys_resource_cache_create(struct virgl_winsys
*qws
,
291 enum pipe_texture_target target
,
302 struct virgl_drm_winsys
*qdws
= virgl_drm_winsys(qws
);
303 struct virgl_hw_res
*res
, *curr_res
;
304 struct list_head
*curr
, *next
;
308 /* only store binds for vertex/index/const buffers */
309 if (bind
!= VIRGL_BIND_CONSTANT_BUFFER
&& bind
!= VIRGL_BIND_INDEX_BUFFER
&&
310 bind
!= VIRGL_BIND_VERTEX_BUFFER
&& bind
!= VIRGL_BIND_CUSTOM
)
313 pipe_mutex_lock(qdws
->mutex
);
316 curr
= qdws
->delayed
.next
;
320 while (curr
!= &qdws
->delayed
) {
321 curr_res
= LIST_ENTRY(struct virgl_hw_res
, curr
, head
);
323 if (!res
&& ((ret
= virgl_is_res_compat(qdws
, curr_res
, size
, bind
, format
)) > 0))
325 else if (os_time_timeout(curr_res
->start
, curr_res
->end
, now
)) {
326 LIST_DEL(&curr_res
->head
);
327 virgl_hw_res_destroy(qdws
, curr_res
);
338 if (!res
&& ret
!= -1) {
339 while (curr
!= &qdws
->delayed
) {
340 curr_res
= LIST_ENTRY(struct virgl_hw_res
, curr
, head
);
341 ret
= virgl_is_res_compat(qdws
, curr_res
, size
, bind
, format
);
354 LIST_DEL(&res
->head
);
356 pipe_mutex_unlock(qdws
->mutex
);
357 pipe_reference_init(&res
->reference
, 1);
361 pipe_mutex_unlock(qdws
->mutex
);
364 res
= virgl_drm_winsys_resource_create(qws
, target
, format
, bind
,
365 width
, height
, depth
, array_size
,
366 last_level
, nr_samples
, size
);
367 if (bind
== VIRGL_BIND_CONSTANT_BUFFER
|| bind
== VIRGL_BIND_INDEX_BUFFER
||
368 bind
== VIRGL_BIND_VERTEX_BUFFER
)
369 res
->cacheable
= TRUE
;
373 static struct virgl_hw_res
*
374 virgl_drm_winsys_resource_create_handle(struct virgl_winsys
*qws
,
375 struct winsys_handle
*whandle
)
377 struct virgl_drm_winsys
*qdws
= virgl_drm_winsys(qws
);
378 struct drm_gem_open open_arg
= {};
379 struct drm_virtgpu_resource_info info_arg
= {};
380 struct virgl_hw_res
*res
;
381 uint32_t handle
= whandle
->handle
;
383 if (whandle
->offset
!= 0) {
384 fprintf(stderr
, "attempt to import unsupported winsys offset %u\n",
389 pipe_mutex_lock(qdws
->bo_handles_mutex
);
391 if (whandle
->type
== DRM_API_HANDLE_TYPE_SHARED
) {
392 res
= util_hash_table_get(qdws
->bo_names
, (void*)(uintptr_t)handle
);
394 struct virgl_hw_res
*r
= NULL
;
395 virgl_drm_resource_reference(qdws
, &r
, res
);
400 if (whandle
->type
== DRM_API_HANDLE_TYPE_FD
) {
402 r
= drmPrimeFDToHandle(qdws
->fd
, whandle
->handle
, &handle
);
409 res
= util_hash_table_get(qdws
->bo_handles
, (void*)(uintptr_t)handle
);
410 fprintf(stderr
, "resource %p for handle %d, pfd=%d\n", res
, handle
, whandle
->handle
);
412 struct virgl_hw_res
*r
= NULL
;
413 virgl_drm_resource_reference(qdws
, &r
, res
);
417 res
= CALLOC_STRUCT(virgl_hw_res
);
421 if (whandle
->type
== DRM_API_HANDLE_TYPE_FD
) {
422 res
->bo_handle
= handle
;
424 fprintf(stderr
, "gem open handle %d\n", handle
);
425 memset(&open_arg
, 0, sizeof(open_arg
));
426 open_arg
.name
= whandle
->handle
;
427 if (drmIoctl(qdws
->fd
, DRM_IOCTL_GEM_OPEN
, &open_arg
)) {
432 res
->bo_handle
= open_arg
.handle
;
436 memset(&info_arg
, 0, sizeof(info_arg
));
437 info_arg
.bo_handle
= res
->bo_handle
;
439 if (drmIoctl(qdws
->fd
, DRM_IOCTL_VIRTGPU_RESOURCE_INFO
, &info_arg
)) {
446 res
->res_handle
= info_arg
.res_handle
;
448 res
->size
= info_arg
.size
;
449 res
->stride
= info_arg
.stride
;
450 pipe_reference_init(&res
->reference
, 1);
451 res
->num_cs_references
= 0;
453 util_hash_table_set(qdws
->bo_handles
, (void *)(uintptr_t)handle
, res
);
456 pipe_mutex_unlock(qdws
->bo_handles_mutex
);
460 static boolean
virgl_drm_winsys_resource_get_handle(struct virgl_winsys
*qws
,
461 struct virgl_hw_res
*res
,
463 struct winsys_handle
*whandle
)
465 struct virgl_drm_winsys
*qdws
= virgl_drm_winsys(qws
);
466 struct drm_gem_flink flink
;
471 if (whandle
->type
== DRM_API_HANDLE_TYPE_SHARED
) {
473 memset(&flink
, 0, sizeof(flink
));
474 flink
.handle
= res
->bo_handle
;
476 if (drmIoctl(qdws
->fd
, DRM_IOCTL_GEM_FLINK
, &flink
)) {
480 res
->flink
= flink
.name
;
482 pipe_mutex_lock(qdws
->bo_handles_mutex
);
483 util_hash_table_set(qdws
->bo_names
, (void *)(uintptr_t)res
->flink
, res
);
484 pipe_mutex_unlock(qdws
->bo_handles_mutex
);
486 whandle
->handle
= res
->flink
;
487 } else if (whandle
->type
== DRM_API_HANDLE_TYPE_KMS
) {
488 whandle
->handle
= res
->bo_handle
;
489 } else if (whandle
->type
== DRM_API_HANDLE_TYPE_FD
) {
490 if (drmPrimeHandleToFD(qdws
->fd
, res
->bo_handle
, DRM_CLOEXEC
, (int*)&whandle
->handle
))
493 whandle
->stride
= stride
;
497 static void virgl_drm_winsys_resource_unref(struct virgl_winsys
*qws
,
498 struct virgl_hw_res
*hres
)
500 struct virgl_drm_winsys
*qdws
= virgl_drm_winsys(qws
);
502 virgl_drm_resource_reference(qdws
, &hres
, NULL
);
505 static void *virgl_drm_resource_map(struct virgl_winsys
*qws
,
506 struct virgl_hw_res
*res
)
508 struct virgl_drm_winsys
*qdws
= virgl_drm_winsys(qws
);
509 struct drm_virtgpu_map mmap_arg
;
515 memset(&mmap_arg
, 0, sizeof(mmap_arg
));
516 mmap_arg
.handle
= res
->bo_handle
;
517 if (drmIoctl(qdws
->fd
, DRM_IOCTL_VIRTGPU_MAP
, &mmap_arg
))
520 ptr
= os_mmap(0, res
->size
, PROT_READ
|PROT_WRITE
, MAP_SHARED
,
521 qdws
->fd
, mmap_arg
.offset
);
522 if (ptr
== MAP_FAILED
)
530 static void virgl_drm_resource_wait(struct virgl_winsys
*qws
,
531 struct virgl_hw_res
*res
)
533 struct virgl_drm_winsys
*qdws
= virgl_drm_winsys(qws
);
534 struct drm_virtgpu_3d_wait waitcmd
;
537 memset(&waitcmd
, 0, sizeof(waitcmd
));
538 waitcmd
.handle
= res
->bo_handle
;
540 ret
= drmIoctl(qdws
->fd
, DRM_IOCTL_VIRTGPU_WAIT
, &waitcmd
);
545 static struct virgl_cmd_buf
*virgl_drm_cmd_buf_create(struct virgl_winsys
*qws
)
547 struct virgl_drm_cmd_buf
*cbuf
;
549 cbuf
= CALLOC_STRUCT(virgl_drm_cmd_buf
);
556 cbuf
->res_bo
= CALLOC(cbuf
->nres
, sizeof(struct virgl_hw_buf
*));
561 cbuf
->res_hlist
= MALLOC(cbuf
->nres
* sizeof(uint32_t));
562 if (!cbuf
->res_hlist
) {
568 cbuf
->base
.buf
= cbuf
->buf
;
572 static void virgl_drm_cmd_buf_destroy(struct virgl_cmd_buf
*_cbuf
)
574 struct virgl_drm_cmd_buf
*cbuf
= virgl_drm_cmd_buf(_cbuf
);
576 FREE(cbuf
->res_hlist
);
582 static boolean
virgl_drm_lookup_res(struct virgl_drm_cmd_buf
*cbuf
,
583 struct virgl_hw_res
*res
)
585 unsigned hash
= res
->res_handle
& (sizeof(cbuf
->is_handle_added
)-1);
588 if (cbuf
->is_handle_added
[hash
]) {
589 i
= cbuf
->reloc_indices_hashlist
[hash
];
590 if (cbuf
->res_bo
[i
] == res
)
593 for (i
= 0; i
< cbuf
->cres
; i
++) {
594 if (cbuf
->res_bo
[i
] == res
) {
595 cbuf
->reloc_indices_hashlist
[hash
] = i
;
603 static void virgl_drm_add_res(struct virgl_drm_winsys
*qdws
,
604 struct virgl_drm_cmd_buf
*cbuf
,
605 struct virgl_hw_res
*res
)
607 unsigned hash
= res
->res_handle
& (sizeof(cbuf
->is_handle_added
)-1);
609 if (cbuf
->cres
> cbuf
->nres
) {
610 fprintf(stderr
,"failure to add relocation\n");
614 cbuf
->res_bo
[cbuf
->cres
] = NULL
;
615 virgl_drm_resource_reference(qdws
, &cbuf
->res_bo
[cbuf
->cres
], res
);
616 cbuf
->res_hlist
[cbuf
->cres
] = res
->bo_handle
;
617 cbuf
->is_handle_added
[hash
] = TRUE
;
619 cbuf
->reloc_indices_hashlist
[hash
] = cbuf
->cres
;
620 p_atomic_inc(&res
->num_cs_references
);
624 static void virgl_drm_release_all_res(struct virgl_drm_winsys
*qdws
,
625 struct virgl_drm_cmd_buf
*cbuf
)
629 for (i
= 0; i
< cbuf
->cres
; i
++) {
630 p_atomic_dec(&cbuf
->res_bo
[i
]->num_cs_references
);
631 virgl_drm_resource_reference(qdws
, &cbuf
->res_bo
[i
], NULL
);
636 static void virgl_drm_emit_res(struct virgl_winsys
*qws
,
637 struct virgl_cmd_buf
*_cbuf
,
638 struct virgl_hw_res
*res
, boolean write_buf
)
640 struct virgl_drm_winsys
*qdws
= virgl_drm_winsys(qws
);
641 struct virgl_drm_cmd_buf
*cbuf
= virgl_drm_cmd_buf(_cbuf
);
642 boolean already_in_list
= virgl_drm_lookup_res(cbuf
, res
);
645 cbuf
->base
.buf
[cbuf
->base
.cdw
++] = res
->res_handle
;
647 if (!already_in_list
)
648 virgl_drm_add_res(qdws
, cbuf
, res
);
651 static boolean
virgl_drm_res_is_ref(struct virgl_winsys
*qws
,
652 struct virgl_cmd_buf
*_cbuf
,
653 struct virgl_hw_res
*res
)
655 if (!res
->num_cs_references
)
661 static int virgl_drm_winsys_submit_cmd(struct virgl_winsys
*qws
,
662 struct virgl_cmd_buf
*_cbuf
)
664 struct virgl_drm_winsys
*qdws
= virgl_drm_winsys(qws
);
665 struct virgl_drm_cmd_buf
*cbuf
= virgl_drm_cmd_buf(_cbuf
);
666 struct drm_virtgpu_execbuffer eb
;
669 if (cbuf
->base
.cdw
== 0)
672 memset(&eb
, 0, sizeof(struct drm_virtgpu_execbuffer
));
673 eb
.command
= (unsigned long)(void*)cbuf
->buf
;
674 eb
.size
= cbuf
->base
.cdw
* 4;
675 eb
.num_bo_handles
= cbuf
->cres
;
676 eb
.bo_handles
= (unsigned long)(void *)cbuf
->res_hlist
;
678 ret
= drmIoctl(qdws
->fd
, DRM_IOCTL_VIRTGPU_EXECBUFFER
, &eb
);
680 fprintf(stderr
,"got error from kernel - expect bad rendering %d\n", errno
);
683 virgl_drm_release_all_res(qdws
, cbuf
);
685 memset(cbuf
->is_handle_added
, 0, sizeof(cbuf
->is_handle_added
));
689 static int virgl_drm_get_caps(struct virgl_winsys
*vws
,
690 struct virgl_drm_caps
*caps
)
692 struct virgl_drm_winsys
*vdws
= virgl_drm_winsys(vws
);
693 struct drm_virtgpu_get_caps args
;
695 memset(&args
, 0, sizeof(args
));
698 args
.addr
= (unsigned long)&caps
->caps
;
699 args
.size
= sizeof(union virgl_caps
);
700 return drmIoctl(vdws
->fd
, DRM_IOCTL_VIRTGPU_GET_CAPS
, &args
);
703 #define PTR_TO_UINT(x) ((unsigned)((intptr_t)(x)))
705 static unsigned handle_hash(void *key
)
707 return PTR_TO_UINT(key
);
710 static int handle_compare(void *key1
, void *key2
)
712 return PTR_TO_UINT(key1
) != PTR_TO_UINT(key2
);
715 static struct pipe_fence_handle
*
716 virgl_cs_create_fence(struct virgl_winsys
*vws
)
718 struct virgl_hw_res
*res
;
720 res
= virgl_drm_winsys_resource_cache_create(vws
,
722 PIPE_FORMAT_R8_UNORM
,
724 8, 1, 1, 0, 0, 0, 8);
726 return (struct pipe_fence_handle
*)res
;
729 static bool virgl_fence_wait(struct virgl_winsys
*vws
,
730 struct pipe_fence_handle
*fence
,
733 struct virgl_drm_winsys
*vdws
= virgl_drm_winsys(vws
);
734 struct virgl_hw_res
*res
= virgl_hw_res(fence
);
737 return !virgl_drm_resource_is_busy(vdws
, res
);
739 if (timeout
!= PIPE_TIMEOUT_INFINITE
) {
740 int64_t start_time
= os_time_get();
742 while (virgl_drm_resource_is_busy(vdws
, res
)) {
743 if (os_time_get() - start_time
>= timeout
)
749 virgl_drm_resource_wait(vws
, res
);
753 static void virgl_fence_reference(struct virgl_winsys
*vws
,
754 struct pipe_fence_handle
**dst
,
755 struct pipe_fence_handle
*src
)
757 struct virgl_drm_winsys
*vdws
= virgl_drm_winsys(vws
);
758 virgl_drm_resource_reference(vdws
, (struct virgl_hw_res
**)dst
,
763 static struct virgl_winsys
*
764 virgl_drm_winsys_create(int drmFD
)
766 struct virgl_drm_winsys
*qdws
;
768 qdws
= CALLOC_STRUCT(virgl_drm_winsys
);
773 qdws
->num_delayed
= 0;
774 qdws
->usecs
= 1000000;
775 LIST_INITHEAD(&qdws
->delayed
);
776 pipe_mutex_init(qdws
->mutex
);
777 pipe_mutex_init(qdws
->bo_handles_mutex
);
778 qdws
->bo_handles
= util_hash_table_create(handle_hash
, handle_compare
);
779 qdws
->bo_names
= util_hash_table_create(handle_hash
, handle_compare
);
780 qdws
->base
.destroy
= virgl_drm_winsys_destroy
;
782 qdws
->base
.transfer_put
= virgl_bo_transfer_put
;
783 qdws
->base
.transfer_get
= virgl_bo_transfer_get
;
784 qdws
->base
.resource_create
= virgl_drm_winsys_resource_cache_create
;
785 qdws
->base
.resource_unref
= virgl_drm_winsys_resource_unref
;
786 qdws
->base
.resource_create_from_handle
= virgl_drm_winsys_resource_create_handle
;
787 qdws
->base
.resource_get_handle
= virgl_drm_winsys_resource_get_handle
;
788 qdws
->base
.resource_map
= virgl_drm_resource_map
;
789 qdws
->base
.resource_wait
= virgl_drm_resource_wait
;
790 qdws
->base
.cmd_buf_create
= virgl_drm_cmd_buf_create
;
791 qdws
->base
.cmd_buf_destroy
= virgl_drm_cmd_buf_destroy
;
792 qdws
->base
.submit_cmd
= virgl_drm_winsys_submit_cmd
;
793 qdws
->base
.emit_res
= virgl_drm_emit_res
;
794 qdws
->base
.res_is_referenced
= virgl_drm_res_is_ref
;
796 qdws
->base
.cs_create_fence
= virgl_cs_create_fence
;
797 qdws
->base
.fence_wait
= virgl_fence_wait
;
798 qdws
->base
.fence_reference
= virgl_fence_reference
;
800 qdws
->base
.get_caps
= virgl_drm_get_caps
;
805 static struct util_hash_table
*fd_tab
= NULL
;
806 pipe_static_mutex(virgl_screen_mutex
);
809 virgl_drm_screen_destroy(struct pipe_screen
*pscreen
)
811 struct virgl_screen
*screen
= virgl_screen(pscreen
);
814 pipe_mutex_lock(virgl_screen_mutex
);
815 destroy
= --screen
->refcnt
== 0;
817 int fd
= virgl_drm_winsys(screen
->vws
)->fd
;
818 util_hash_table_remove(fd_tab
, intptr_to_pointer(fd
));
820 pipe_mutex_unlock(virgl_screen_mutex
);
823 pscreen
->destroy
= screen
->winsys_priv
;
824 pscreen
->destroy(pscreen
);
828 static unsigned hash_fd(void *key
)
830 int fd
= pointer_to_intptr(key
);
834 return stat
.st_dev
^ stat
.st_ino
^ stat
.st_rdev
;
837 static int compare_fd(void *key1
, void *key2
)
839 int fd1
= pointer_to_intptr(key1
);
840 int fd2
= pointer_to_intptr(key2
);
841 struct stat stat1
, stat2
;
845 return stat1
.st_dev
!= stat2
.st_dev
||
846 stat1
.st_ino
!= stat2
.st_ino
||
847 stat1
.st_rdev
!= stat2
.st_rdev
;
851 virgl_drm_screen_create(int fd
)
853 struct pipe_screen
*pscreen
= NULL
;
855 pipe_mutex_lock(virgl_screen_mutex
);
857 fd_tab
= util_hash_table_create(hash_fd
, compare_fd
);
862 pscreen
= util_hash_table_get(fd_tab
, intptr_to_pointer(fd
));
864 virgl_screen(pscreen
)->refcnt
++;
866 struct virgl_winsys
*vws
;
867 int dup_fd
= dup(fd
);
869 vws
= virgl_drm_winsys_create(dup_fd
);
871 pscreen
= virgl_create_screen(vws
);
873 util_hash_table_set(fd_tab
, intptr_to_pointer(dup_fd
), pscreen
);
875 /* Bit of a hack, to avoid circular linkage dependency,
876 * ie. pipe driver having to call in to winsys, we
877 * override the pipe drivers screen->destroy():
879 virgl_screen(pscreen
)->winsys_priv
= pscreen
->destroy
;
880 pscreen
->destroy
= virgl_drm_screen_destroy
;
885 pipe_mutex_unlock(virgl_screen_mutex
);