2 * Copyright © 2011-2012 Intel Corporation
3 * Copyright © 2012 Collabora, Ltd.
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
20 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
21 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
23 * DEALINGS IN THE SOFTWARE.
26 * Kristian Høgsberg <krh@bitplanet.net>
27 * Benjamin Franzke <benjaminfranzke@googlemail.com>
42 #include "egl_dri2_fallbacks.h"
45 #include <wayland-client.h>
46 #include "wayland-drm-client-protocol.h"
48 enum wl_drm_format_flags
{
55 dri2_wl_swap_interval(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
,
59 roundtrip(struct dri2_egl_display
*dri2_dpy
)
61 return wl_display_roundtrip_queue(dri2_dpy
->wl_dpy
, dri2_dpy
->wl_queue
);
65 wl_buffer_release(void *data
, struct wl_buffer
*buffer
)
67 struct dri2_egl_surface
*dri2_surf
= data
;
70 for (i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); ++i
)
71 if (dri2_surf
->color_buffers
[i
].wl_buffer
== buffer
)
74 if (i
== ARRAY_SIZE(dri2_surf
->color_buffers
)) {
75 wl_buffer_destroy(buffer
);
79 dri2_surf
->color_buffers
[i
].locked
= 0;
82 static const struct wl_buffer_listener wl_buffer_listener
= {
83 .release
= wl_buffer_release
87 resize_callback(struct wl_egl_window
*wl_win
, void *data
)
89 struct dri2_egl_surface
*dri2_surf
= data
;
90 struct dri2_egl_display
*dri2_dpy
=
91 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
93 dri2_dpy
->flush
->invalidate(dri2_surf
->dri_drawable
);
97 destroy_window_callback(void *data
)
99 struct dri2_egl_surface
*dri2_surf
= data
;
100 dri2_surf
->wl_win
= NULL
;
104 * Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface().
107 dri2_wl_create_window_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
108 _EGLConfig
*conf
, void *native_window
,
109 const EGLint
*attrib_list
)
111 __DRIcreateNewDrawableFunc createNewDrawable
;
112 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
113 struct dri2_egl_config
*dri2_conf
= dri2_egl_config(conf
);
114 struct wl_egl_window
*window
= native_window
;
115 struct dri2_egl_surface
*dri2_surf
;
116 const __DRIconfig
*config
;
118 dri2_surf
= calloc(1, sizeof *dri2_surf
);
120 _eglError(EGL_BAD_ALLOC
, "dri2_create_surface");
124 if (!_eglInitSurface(&dri2_surf
->base
, disp
, EGL_WINDOW_BIT
, conf
, attrib_list
))
127 if (dri2_dpy
->dri2
) {
128 if (conf
->RedSize
== 5)
129 dri2_surf
->format
= WL_DRM_FORMAT_RGB565
;
130 else if (conf
->AlphaSize
== 0)
131 dri2_surf
->format
= WL_DRM_FORMAT_XRGB8888
;
133 dri2_surf
->format
= WL_DRM_FORMAT_ARGB8888
;
135 if (conf
->RedSize
== 5)
136 dri2_surf
->format
= WL_SHM_FORMAT_RGB565
;
137 else if (conf
->AlphaSize
== 0)
138 dri2_surf
->format
= WL_SHM_FORMAT_XRGB8888
;
140 dri2_surf
->format
= WL_SHM_FORMAT_ARGB8888
;
144 _eglError(EGL_BAD_NATIVE_WINDOW
, "dri2_create_surface");
148 dri2_surf
->wl_win
= window
;
149 dri2_surf
->wl_queue
= wl_display_create_queue(dri2_dpy
->wl_dpy
);
151 _eglError(EGL_BAD_ALLOC
, "dri2_create_surface");
155 if (dri2_dpy
->wl_drm
) {
156 dri2_surf
->wl_drm_wrapper
= wl_proxy_create_wrapper(dri2_dpy
->wl_drm
);
157 if (!dri2_surf
->wl_drm_wrapper
) {
158 _eglError(EGL_BAD_ALLOC
, "dri2_create_surface");
161 wl_proxy_set_queue((struct wl_proxy
*)dri2_surf
->wl_drm_wrapper
,
162 dri2_surf
->wl_queue
);
165 dri2_surf
->wl_dpy_wrapper
= wl_proxy_create_wrapper(dri2_dpy
->wl_dpy
);
166 if (!dri2_surf
->wl_dpy_wrapper
) {
167 _eglError(EGL_BAD_ALLOC
, "dri2_create_surface");
170 wl_proxy_set_queue((struct wl_proxy
*)dri2_surf
->wl_dpy_wrapper
,
171 dri2_surf
->wl_queue
);
173 dri2_surf
->wl_surface_wrapper
= wl_proxy_create_wrapper(window
->surface
);
174 if (!dri2_surf
->wl_surface_wrapper
) {
175 _eglError(EGL_BAD_ALLOC
, "dri2_create_surface");
178 wl_proxy_set_queue((struct wl_proxy
*)dri2_surf
->wl_surface_wrapper
,
179 dri2_surf
->wl_queue
);
181 dri2_surf
->wl_win
->private = dri2_surf
;
182 dri2_surf
->wl_win
->destroy_window_callback
= destroy_window_callback
;
184 dri2_surf
->base
.Width
= -1;
185 dri2_surf
->base
.Height
= -1;
187 config
= dri2_get_dri_config(dri2_conf
, EGL_WINDOW_BIT
,
188 dri2_surf
->base
.GLColorspace
);
190 if (dri2_dpy
->dri2
) {
191 dri2_surf
->wl_win
->resize_callback
= resize_callback
;
193 createNewDrawable
= dri2_dpy
->dri2
->createNewDrawable
;
195 createNewDrawable
= dri2_dpy
->swrast
->createNewDrawable
;
198 dri2_surf
->dri_drawable
= (*createNewDrawable
)(dri2_dpy
->dri_screen
, config
,
200 if (dri2_surf
->dri_drawable
== NULL
) {
201 _eglError(EGL_BAD_ALLOC
, "createNewDrawable");
205 dri2_wl_swap_interval(drv
, disp
, &dri2_surf
->base
,
206 dri2_dpy
->default_swap_interval
);
208 return &dri2_surf
->base
;
211 if (dri2_surf
->wl_drm_wrapper
)
212 wl_proxy_wrapper_destroy(dri2_surf
->wl_drm_wrapper
);
214 wl_event_queue_destroy(dri2_surf
->wl_queue
);
222 dri2_wl_create_pixmap_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
223 _EGLConfig
*conf
, void *native_window
,
224 const EGLint
*attrib_list
)
226 /* From the EGL_EXT_platform_wayland spec, version 3:
228 * It is not valid to call eglCreatePlatformPixmapSurfaceEXT with a <dpy>
229 * that belongs to Wayland. Any such call fails and generates
232 _eglError(EGL_BAD_PARAMETER
, "cannot create EGL pixmap surfaces on "
238 * Called via eglDestroySurface(), drv->API.DestroySurface().
241 dri2_wl_destroy_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
)
243 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
244 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
249 dri2_dpy
->core
->destroyDrawable(dri2_surf
->dri_drawable
);
251 for (i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++) {
252 if (dri2_surf
->color_buffers
[i
].wl_buffer
)
253 wl_buffer_destroy(dri2_surf
->color_buffers
[i
].wl_buffer
);
254 if (dri2_surf
->color_buffers
[i
].dri_image
)
255 dri2_dpy
->image
->destroyImage(dri2_surf
->color_buffers
[i
].dri_image
);
256 if (dri2_surf
->color_buffers
[i
].linear_copy
)
257 dri2_dpy
->image
->destroyImage(dri2_surf
->color_buffers
[i
].linear_copy
);
258 if (dri2_surf
->color_buffers
[i
].data
)
259 munmap(dri2_surf
->color_buffers
[i
].data
,
260 dri2_surf
->color_buffers
[i
].data_size
);
263 if (dri2_dpy
->dri2
) {
264 for (i
= 0; i
< __DRI_BUFFER_COUNT
; i
++)
265 if (dri2_surf
->dri_buffers
[i
] &&
266 dri2_surf
->dri_buffers
[i
]->attachment
!= __DRI_BUFFER_BACK_LEFT
)
267 dri2_dpy
->dri2
->releaseBuffer(dri2_dpy
->dri_screen
,
268 dri2_surf
->dri_buffers
[i
]);
271 if (dri2_surf
->throttle_callback
)
272 wl_callback_destroy(dri2_surf
->throttle_callback
);
274 if (dri2_surf
->wl_win
) {
275 dri2_surf
->wl_win
->private = NULL
;
276 dri2_surf
->wl_win
->resize_callback
= NULL
;
277 dri2_surf
->wl_win
->destroy_window_callback
= NULL
;
280 if (dri2_surf
->wl_drm_wrapper
)
281 wl_proxy_wrapper_destroy(dri2_surf
->wl_drm_wrapper
);
282 wl_proxy_wrapper_destroy(dri2_surf
->wl_surface_wrapper
);
283 wl_proxy_wrapper_destroy(dri2_surf
->wl_dpy_wrapper
);
284 wl_event_queue_destroy(dri2_surf
->wl_queue
);
292 dri2_wl_release_buffers(struct dri2_egl_surface
*dri2_surf
)
294 struct dri2_egl_display
*dri2_dpy
=
295 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
298 for (i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++) {
299 if (dri2_surf
->color_buffers
[i
].wl_buffer
&&
300 !dri2_surf
->color_buffers
[i
].locked
)
301 wl_buffer_destroy(dri2_surf
->color_buffers
[i
].wl_buffer
);
302 if (dri2_surf
->color_buffers
[i
].dri_image
)
303 dri2_dpy
->image
->destroyImage(dri2_surf
->color_buffers
[i
].dri_image
);
304 if (dri2_surf
->color_buffers
[i
].linear_copy
)
305 dri2_dpy
->image
->destroyImage(dri2_surf
->color_buffers
[i
].linear_copy
);
306 if (dri2_surf
->color_buffers
[i
].data
)
307 munmap(dri2_surf
->color_buffers
[i
].data
,
308 dri2_surf
->color_buffers
[i
].data_size
);
310 dri2_surf
->color_buffers
[i
].wl_buffer
= NULL
;
311 dri2_surf
->color_buffers
[i
].dri_image
= NULL
;
312 dri2_surf
->color_buffers
[i
].linear_copy
= NULL
;
313 dri2_surf
->color_buffers
[i
].data
= NULL
;
314 dri2_surf
->color_buffers
[i
].locked
= 0;
317 if (dri2_dpy
->dri2
) {
318 for (i
= 0; i
< __DRI_BUFFER_COUNT
; i
++)
319 if (dri2_surf
->dri_buffers
[i
] &&
320 dri2_surf
->dri_buffers
[i
]->attachment
!= __DRI_BUFFER_BACK_LEFT
)
321 dri2_dpy
->dri2
->releaseBuffer(dri2_dpy
->dri_screen
,
322 dri2_surf
->dri_buffers
[i
]);
327 get_back_bo(struct dri2_egl_surface
*dri2_surf
)
329 struct dri2_egl_display
*dri2_dpy
=
330 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
332 unsigned int dri_image_format
;
334 /* currently supports three WL DRM formats,
335 * WL_DRM_FORMAT_ARGB8888, WL_DRM_FORMAT_XRGB8888,
336 * and WL_DRM_FORMAT_RGB565
338 switch (dri2_surf
->format
) {
339 case WL_DRM_FORMAT_ARGB8888
:
340 dri_image_format
= __DRI_IMAGE_FORMAT_ARGB8888
;
342 case WL_DRM_FORMAT_XRGB8888
:
343 dri_image_format
= __DRI_IMAGE_FORMAT_XRGB8888
;
345 case WL_DRM_FORMAT_RGB565
:
346 dri_image_format
= __DRI_IMAGE_FORMAT_RGB565
;
349 /* format is not supported */
353 /* There might be a buffer release already queued that wasn't processed */
354 wl_display_dispatch_queue_pending(dri2_dpy
->wl_dpy
, dri2_surf
->wl_queue
);
356 while (dri2_surf
->back
== NULL
) {
357 for (i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++) {
358 /* Get an unlocked buffer, preferrably one with a dri_buffer
359 * already allocated. */
360 if (dri2_surf
->color_buffers
[i
].locked
)
362 if (dri2_surf
->back
== NULL
)
363 dri2_surf
->back
= &dri2_surf
->color_buffers
[i
];
364 else if (dri2_surf
->back
->dri_image
== NULL
)
365 dri2_surf
->back
= &dri2_surf
->color_buffers
[i
];
371 /* If we don't have a buffer, then block on the server to release one for
372 * us, and try again. */
373 if (wl_display_dispatch_queue(dri2_dpy
->wl_dpy
, dri2_surf
->wl_queue
) < 0)
377 if (dri2_surf
->back
== NULL
)
380 use_flags
= __DRI_IMAGE_USE_SHARE
| __DRI_IMAGE_USE_BACKBUFFER
;
382 if (dri2_dpy
->is_different_gpu
&&
383 dri2_surf
->back
->linear_copy
== NULL
) {
384 dri2_surf
->back
->linear_copy
=
385 dri2_dpy
->image
->createImage(dri2_dpy
->dri_screen
,
386 dri2_surf
->base
.Width
,
387 dri2_surf
->base
.Height
,
390 __DRI_IMAGE_USE_LINEAR
,
392 if (dri2_surf
->back
->linear_copy
== NULL
)
396 if (dri2_surf
->back
->dri_image
== NULL
) {
397 dri2_surf
->back
->dri_image
=
398 dri2_dpy
->image
->createImage(dri2_dpy
->dri_screen
,
399 dri2_surf
->base
.Width
,
400 dri2_surf
->base
.Height
,
402 dri2_dpy
->is_different_gpu
?
405 dri2_surf
->back
->age
= 0;
407 if (dri2_surf
->back
->dri_image
== NULL
)
410 dri2_surf
->back
->locked
= 1;
417 back_bo_to_dri_buffer(struct dri2_egl_surface
*dri2_surf
, __DRIbuffer
*buffer
)
419 struct dri2_egl_display
*dri2_dpy
=
420 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
424 image
= dri2_surf
->back
->dri_image
;
426 dri2_dpy
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_NAME
, &name
);
427 dri2_dpy
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_STRIDE
, &pitch
);
429 buffer
->attachment
= __DRI_BUFFER_BACK_LEFT
;
431 buffer
->pitch
= pitch
;
437 get_aux_bo(struct dri2_egl_surface
*dri2_surf
,
438 unsigned int attachment
, unsigned int format
, __DRIbuffer
*buffer
)
440 struct dri2_egl_display
*dri2_dpy
=
441 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
442 __DRIbuffer
*b
= dri2_surf
->dri_buffers
[attachment
];
445 b
= dri2_dpy
->dri2
->allocateBuffer(dri2_dpy
->dri_screen
,
447 dri2_surf
->base
.Width
,
448 dri2_surf
->base
.Height
);
449 dri2_surf
->dri_buffers
[attachment
] = b
;
454 memcpy(buffer
, b
, sizeof *buffer
);
460 update_buffers(struct dri2_egl_surface
*dri2_surf
)
462 struct dri2_egl_display
*dri2_dpy
=
463 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
466 if (dri2_surf
->base
.Width
!= dri2_surf
->wl_win
->width
||
467 dri2_surf
->base
.Height
!= dri2_surf
->wl_win
->height
) {
469 dri2_wl_release_buffers(dri2_surf
);
471 dri2_surf
->base
.Width
= dri2_surf
->wl_win
->width
;
472 dri2_surf
->base
.Height
= dri2_surf
->wl_win
->height
;
473 dri2_surf
->dx
= dri2_surf
->wl_win
->dx
;
474 dri2_surf
->dy
= dri2_surf
->wl_win
->dy
;
477 if (get_back_bo(dri2_surf
) < 0) {
478 _eglError(EGL_BAD_ALLOC
, "failed to allocate color buffer");
482 /* If we have an extra unlocked buffer at this point, we had to do triple
483 * buffering for a while, but now can go back to just double buffering.
484 * That means we can free any unlocked buffer now. */
485 for (i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++) {
486 if (!dri2_surf
->color_buffers
[i
].locked
&&
487 dri2_surf
->color_buffers
[i
].wl_buffer
) {
488 wl_buffer_destroy(dri2_surf
->color_buffers
[i
].wl_buffer
);
489 dri2_dpy
->image
->destroyImage(dri2_surf
->color_buffers
[i
].dri_image
);
490 if (dri2_dpy
->is_different_gpu
)
491 dri2_dpy
->image
->destroyImage(dri2_surf
->color_buffers
[i
].linear_copy
);
492 dri2_surf
->color_buffers
[i
].wl_buffer
= NULL
;
493 dri2_surf
->color_buffers
[i
].dri_image
= NULL
;
494 dri2_surf
->color_buffers
[i
].linear_copy
= NULL
;
502 dri2_wl_get_buffers_with_format(__DRIdrawable
* driDrawable
,
503 int *width
, int *height
,
504 unsigned int *attachments
, int count
,
505 int *out_count
, void *loaderPrivate
)
507 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
510 if (update_buffers(dri2_surf
) < 0)
513 for (i
= 0, j
= 0; i
< 2 * count
; i
+= 2, j
++) {
514 switch (attachments
[i
]) {
515 case __DRI_BUFFER_BACK_LEFT
:
516 back_bo_to_dri_buffer(dri2_surf
, &dri2_surf
->buffers
[j
]);
519 if (get_aux_bo(dri2_surf
, attachments
[i
], attachments
[i
+ 1],
520 &dri2_surf
->buffers
[j
]) < 0) {
521 _eglError(EGL_BAD_ALLOC
, "failed to allocate aux buffer");
532 *width
= dri2_surf
->base
.Width
;
533 *height
= dri2_surf
->base
.Height
;
535 return dri2_surf
->buffers
;
539 dri2_wl_get_buffers(__DRIdrawable
* driDrawable
,
540 int *width
, int *height
,
541 unsigned int *attachments
, int count
,
542 int *out_count
, void *loaderPrivate
)
544 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
545 unsigned int *attachments_with_format
;
551 switch (dri2_surf
->format
) {
552 case WL_DRM_FORMAT_ARGB8888
:
553 case WL_DRM_FORMAT_XRGB8888
:
556 case WL_DRM_FORMAT_RGB565
:
560 /* format is not supported */
564 attachments_with_format
= calloc(count
, 2 * sizeof(unsigned int));
565 if (!attachments_with_format
) {
570 for (i
= 0; i
< count
; ++i
) {
571 attachments_with_format
[2*i
] = attachments
[i
];
572 attachments_with_format
[2*i
+ 1] = bpp
;
576 dri2_wl_get_buffers_with_format(driDrawable
,
578 attachments_with_format
, count
,
579 out_count
, loaderPrivate
);
581 free(attachments_with_format
);
587 image_get_buffers(__DRIdrawable
*driDrawable
,
591 uint32_t buffer_mask
,
592 struct __DRIimageList
*buffers
)
594 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
596 if (update_buffers(dri2_surf
) < 0)
599 buffers
->image_mask
= __DRI_IMAGE_BUFFER_BACK
;
600 buffers
->back
= dri2_surf
->back
->dri_image
;
606 dri2_wl_flush_front_buffer(__DRIdrawable
* driDrawable
, void *loaderPrivate
)
609 (void) loaderPrivate
;
612 static const __DRIdri2LoaderExtension dri2_loader_extension
= {
613 .base
= { __DRI_DRI2_LOADER
, 3 },
615 .getBuffers
= dri2_wl_get_buffers
,
616 .flushFrontBuffer
= dri2_wl_flush_front_buffer
,
617 .getBuffersWithFormat
= dri2_wl_get_buffers_with_format
,
620 static const __DRIimageLoaderExtension image_loader_extension
= {
621 .base
= { __DRI_IMAGE_LOADER
, 1 },
623 .getBuffers
= image_get_buffers
,
624 .flushFrontBuffer
= dri2_wl_flush_front_buffer
,
628 wayland_throttle_callback(void *data
,
629 struct wl_callback
*callback
,
632 struct dri2_egl_surface
*dri2_surf
= data
;
634 dri2_surf
->throttle_callback
= NULL
;
635 wl_callback_destroy(callback
);
638 static const struct wl_callback_listener throttle_listener
= {
639 .done
= wayland_throttle_callback
643 create_wl_buffer(struct dri2_egl_surface
*dri2_surf
)
645 struct dri2_egl_display
*dri2_dpy
=
646 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
648 int fd
, stride
, name
;
650 if (dri2_surf
->current
->wl_buffer
!= NULL
)
653 if (dri2_dpy
->is_different_gpu
) {
654 image
= dri2_surf
->current
->linear_copy
;
656 image
= dri2_surf
->current
->dri_image
;
658 if (dri2_dpy
->capabilities
& WL_DRM_CAPABILITY_PRIME
) {
659 dri2_dpy
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_FD
, &fd
);
660 dri2_dpy
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_STRIDE
, &stride
);
662 dri2_surf
->current
->wl_buffer
=
663 wl_drm_create_prime_buffer(dri2_surf
->wl_drm_wrapper
,
665 dri2_surf
->base
.Width
,
666 dri2_surf
->base
.Height
,
673 dri2_dpy
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_NAME
, &name
);
674 dri2_dpy
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_STRIDE
, &stride
);
676 dri2_surf
->current
->wl_buffer
=
677 wl_drm_create_buffer(dri2_surf
->wl_drm_wrapper
,
679 dri2_surf
->base
.Width
,
680 dri2_surf
->base
.Height
,
685 wl_buffer_add_listener(dri2_surf
->current
->wl_buffer
,
686 &wl_buffer_listener
, dri2_surf
);
690 try_damage_buffer(struct dri2_egl_surface
*dri2_surf
,
696 if (wl_proxy_get_version((struct wl_proxy
*) dri2_surf
->wl_surface_wrapper
)
697 < WL_SURFACE_DAMAGE_BUFFER_SINCE_VERSION
)
700 for (i
= 0; i
< n_rects
; i
++) {
701 const int *rect
= &rects
[i
* 4];
703 wl_surface_damage_buffer(dri2_surf
->wl_surface_wrapper
,
705 dri2_surf
->base
.Height
- rect
[1] - rect
[3],
711 * Called via eglSwapBuffers(), drv->API.SwapBuffers().
714 dri2_wl_swap_buffers_with_damage(_EGLDriver
*drv
,
720 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
721 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(draw
);
724 while (dri2_surf
->throttle_callback
!= NULL
)
725 if (wl_display_dispatch_queue(dri2_dpy
->wl_dpy
,
726 dri2_surf
->wl_queue
) == -1)
729 for (i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++)
730 if (dri2_surf
->color_buffers
[i
].age
> 0)
731 dri2_surf
->color_buffers
[i
].age
++;
733 /* Make sure we have a back buffer in case we're swapping without ever
735 if (get_back_bo(dri2_surf
) < 0) {
736 _eglError(EGL_BAD_ALLOC
, "dri2_swap_buffers");
740 if (draw
->SwapInterval
> 0) {
741 dri2_surf
->throttle_callback
=
742 wl_surface_frame(dri2_surf
->wl_surface_wrapper
);
743 wl_callback_add_listener(dri2_surf
->throttle_callback
,
744 &throttle_listener
, dri2_surf
);
747 dri2_surf
->back
->age
= 1;
748 dri2_surf
->current
= dri2_surf
->back
;
749 dri2_surf
->back
= NULL
;
751 create_wl_buffer(dri2_surf
);
753 wl_surface_attach(dri2_surf
->wl_surface_wrapper
,
754 dri2_surf
->current
->wl_buffer
,
755 dri2_surf
->dx
, dri2_surf
->dy
);
757 dri2_surf
->wl_win
->attached_width
= dri2_surf
->base
.Width
;
758 dri2_surf
->wl_win
->attached_height
= dri2_surf
->base
.Height
;
759 /* reset resize growing parameters */
763 /* If the compositor doesn't support damage_buffer, we deliberately
764 * ignore the damage region and post maximum damage, due to
765 * https://bugs.freedesktop.org/78190 */
766 if (!n_rects
|| !try_damage_buffer(dri2_surf
, rects
, n_rects
))
767 wl_surface_damage(dri2_surf
->wl_surface_wrapper
,
768 0, 0, INT32_MAX
, INT32_MAX
);
770 if (dri2_dpy
->is_different_gpu
) {
771 _EGLContext
*ctx
= _eglGetCurrentContext();
772 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
773 dri2_dpy
->image
->blitImage(dri2_ctx
->dri_context
,
774 dri2_surf
->current
->linear_copy
,
775 dri2_surf
->current
->dri_image
,
776 0, 0, dri2_surf
->base
.Width
,
777 dri2_surf
->base
.Height
,
778 0, 0, dri2_surf
->base
.Width
,
779 dri2_surf
->base
.Height
, 0);
782 dri2_flush_drawable_for_swapbuffers(disp
, draw
);
783 dri2_dpy
->flush
->invalidate(dri2_surf
->dri_drawable
);
785 wl_surface_commit(dri2_surf
->wl_surface_wrapper
);
787 /* If we're not waiting for a frame callback then we'll at least throttle
788 * to a sync callback so that we always give a chance for the compositor to
789 * handle the commit and send a release event before checking for a free
791 if (dri2_surf
->throttle_callback
== NULL
) {
792 dri2_surf
->throttle_callback
= wl_display_sync(dri2_surf
->wl_dpy_wrapper
);
793 wl_callback_add_listener(dri2_surf
->throttle_callback
,
794 &throttle_listener
, dri2_surf
);
797 wl_display_flush(dri2_dpy
->wl_dpy
);
803 dri2_wl_query_buffer_age(_EGLDriver
*drv
,
804 _EGLDisplay
*disp
, _EGLSurface
*surface
)
806 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surface
);
808 if (get_back_bo(dri2_surf
) < 0) {
809 _eglError(EGL_BAD_ALLOC
, "dri2_query_buffer_age");
813 return dri2_surf
->back
->age
;
817 dri2_wl_swap_buffers(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*draw
)
819 return dri2_wl_swap_buffers_with_damage (drv
, disp
, draw
, NULL
, 0);
822 static struct wl_buffer
*
823 dri2_wl_create_wayland_buffer_from_image(_EGLDriver
*drv
,
827 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
828 struct dri2_egl_image
*dri2_img
= dri2_egl_image(img
);
829 __DRIimage
*image
= dri2_img
->dri_image
;
830 struct wl_buffer
*buffer
;
831 int width
, height
, format
, pitch
;
832 enum wl_drm_format wl_format
;
834 dri2_dpy
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_FORMAT
, &format
);
837 case __DRI_IMAGE_FORMAT_ARGB8888
:
838 if (!(dri2_dpy
->formats
& HAS_ARGB8888
))
840 wl_format
= WL_DRM_FORMAT_ARGB8888
;
842 case __DRI_IMAGE_FORMAT_XRGB8888
:
843 if (!(dri2_dpy
->formats
& HAS_XRGB8888
))
845 wl_format
= WL_DRM_FORMAT_XRGB8888
;
851 dri2_dpy
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_WIDTH
, &width
);
852 dri2_dpy
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_HEIGHT
, &height
);
853 dri2_dpy
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_STRIDE
, &pitch
);
855 if (dri2_dpy
->capabilities
& WL_DRM_CAPABILITY_PRIME
) {
858 dri2_dpy
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_FD
, &fd
);
861 wl_drm_create_prime_buffer(dri2_dpy
->wl_drm
,
873 dri2_dpy
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_NAME
, &name
);
876 wl_drm_create_buffer(dri2_dpy
->wl_drm
,
883 /* The buffer object will have been created with our internal event queue
884 * because it is using the wl_drm object as a proxy factory. We want the
885 * buffer to be used by the application so we'll reset it to the display's
886 * default event queue */
888 wl_proxy_set_queue((struct wl_proxy
*) buffer
, NULL
);
893 _eglError(EGL_BAD_MATCH
, "unsupported image format");
898 dri2_wl_authenticate(_EGLDisplay
*disp
, uint32_t id
)
900 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
903 if (dri2_dpy
->is_render_node
) {
904 _eglLog(_EGL_WARNING
, "wayland-egl: client asks server to "
905 "authenticate for render-nodes");
908 dri2_dpy
->authenticated
= 0;
910 wl_drm_authenticate(dri2_dpy
->wl_drm
, id
);
911 if (roundtrip(dri2_dpy
) < 0)
914 if (!dri2_dpy
->authenticated
)
917 /* reset authenticated */
918 dri2_dpy
->authenticated
= 1;
924 drm_handle_device(void *data
, struct wl_drm
*drm
, const char *device
)
926 struct dri2_egl_display
*dri2_dpy
= data
;
929 dri2_dpy
->device_name
= strdup(device
);
930 if (!dri2_dpy
->device_name
)
933 dri2_dpy
->fd
= loader_open_device(dri2_dpy
->device_name
);
934 if (dri2_dpy
->fd
== -1) {
935 _eglLog(_EGL_WARNING
, "wayland-egl: could not open %s (%s)",
936 dri2_dpy
->device_name
, strerror(errno
));
940 if (drmGetNodeTypeFromFd(dri2_dpy
->fd
) == DRM_NODE_RENDER
) {
941 dri2_dpy
->authenticated
= 1;
943 drmGetMagic(dri2_dpy
->fd
, &magic
);
944 wl_drm_authenticate(dri2_dpy
->wl_drm
, magic
);
949 drm_handle_format(void *data
, struct wl_drm
*drm
, uint32_t format
)
951 struct dri2_egl_display
*dri2_dpy
= data
;
954 case WL_DRM_FORMAT_ARGB8888
:
955 dri2_dpy
->formats
|= HAS_ARGB8888
;
957 case WL_DRM_FORMAT_XRGB8888
:
958 dri2_dpy
->formats
|= HAS_XRGB8888
;
960 case WL_DRM_FORMAT_RGB565
:
961 dri2_dpy
->formats
|= HAS_RGB565
;
967 drm_handle_capabilities(void *data
, struct wl_drm
*drm
, uint32_t value
)
969 struct dri2_egl_display
*dri2_dpy
= data
;
971 dri2_dpy
->capabilities
= value
;
975 drm_handle_authenticated(void *data
, struct wl_drm
*drm
)
977 struct dri2_egl_display
*dri2_dpy
= data
;
979 dri2_dpy
->authenticated
= 1;
982 static const struct wl_drm_listener drm_listener
= {
983 .device
= drm_handle_device
,
984 .format
= drm_handle_format
,
985 .authenticated
= drm_handle_authenticated
,
986 .capabilities
= drm_handle_capabilities
990 registry_handle_global_drm(void *data
, struct wl_registry
*registry
, uint32_t name
,
991 const char *interface
, uint32_t version
)
993 struct dri2_egl_display
*dri2_dpy
= data
;
997 if (strcmp(interface
, "wl_drm") == 0) {
999 wl_registry_bind(registry
, name
, &wl_drm_interface
, version
);
1000 wl_drm_add_listener(dri2_dpy
->wl_drm
, &drm_listener
, dri2_dpy
);
1005 registry_handle_global_remove(void *data
, struct wl_registry
*registry
,
1010 static const struct wl_registry_listener registry_listener_drm
= {
1011 .global
= registry_handle_global_drm
,
1012 .global_remove
= registry_handle_global_remove
1016 dri2_wl_swap_interval(_EGLDriver
*drv
,
1021 if (interval
> surf
->Config
->MaxSwapInterval
)
1022 interval
= surf
->Config
->MaxSwapInterval
;
1023 else if (interval
< surf
->Config
->MinSwapInterval
)
1024 interval
= surf
->Config
->MinSwapInterval
;
1026 surf
->SwapInterval
= interval
;
1032 dri2_wl_setup_swap_interval(struct dri2_egl_display
*dri2_dpy
)
1034 GLint vblank_mode
= DRI_CONF_VBLANK_DEF_INTERVAL_1
;
1036 /* We can't use values greater than 1 on Wayland because we are using the
1037 * frame callback to synchronise the frame and the only way we be sure to
1038 * get a frame callback is to attach a new buffer. Therefore we can't just
1039 * sit drawing nothing to wait until the next ‘n’ frame callbacks */
1041 if (dri2_dpy
->config
)
1042 dri2_dpy
->config
->configQueryi(dri2_dpy
->dri_screen
,
1043 "vblank_mode", &vblank_mode
);
1044 switch (vblank_mode
) {
1045 case DRI_CONF_VBLANK_NEVER
:
1046 dri2_dpy
->min_swap_interval
= 0;
1047 dri2_dpy
->max_swap_interval
= 0;
1048 dri2_dpy
->default_swap_interval
= 0;
1050 case DRI_CONF_VBLANK_ALWAYS_SYNC
:
1051 dri2_dpy
->min_swap_interval
= 1;
1052 dri2_dpy
->max_swap_interval
= 1;
1053 dri2_dpy
->default_swap_interval
= 1;
1055 case DRI_CONF_VBLANK_DEF_INTERVAL_0
:
1056 dri2_dpy
->min_swap_interval
= 0;
1057 dri2_dpy
->max_swap_interval
= 1;
1058 dri2_dpy
->default_swap_interval
= 0;
1061 case DRI_CONF_VBLANK_DEF_INTERVAL_1
:
1062 dri2_dpy
->min_swap_interval
= 0;
1063 dri2_dpy
->max_swap_interval
= 1;
1064 dri2_dpy
->default_swap_interval
= 1;
1069 static struct dri2_egl_display_vtbl dri2_wl_display_vtbl
= {
1070 .authenticate
= dri2_wl_authenticate
,
1071 .create_window_surface
= dri2_wl_create_window_surface
,
1072 .create_pixmap_surface
= dri2_wl_create_pixmap_surface
,
1073 .create_pbuffer_surface
= dri2_fallback_create_pbuffer_surface
,
1074 .destroy_surface
= dri2_wl_destroy_surface
,
1075 .create_image
= dri2_create_image_khr
,
1076 .swap_interval
= dri2_wl_swap_interval
,
1077 .swap_buffers
= dri2_wl_swap_buffers
,
1078 .swap_buffers_with_damage
= dri2_wl_swap_buffers_with_damage
,
1079 .swap_buffers_region
= dri2_fallback_swap_buffers_region
,
1080 .post_sub_buffer
= dri2_fallback_post_sub_buffer
,
1081 .copy_buffers
= dri2_fallback_copy_buffers
,
1082 .query_buffer_age
= dri2_wl_query_buffer_age
,
1083 .create_wayland_buffer_from_image
= dri2_wl_create_wayland_buffer_from_image
,
1084 .get_sync_values
= dri2_fallback_get_sync_values
,
1085 .get_dri_drawable
= dri2_surface_get_dri_drawable
,
1088 static const __DRIextension
*dri2_loader_extensions
[] = {
1089 &dri2_loader_extension
.base
,
1090 &image_loader_extension
.base
,
1091 &image_lookup_extension
.base
,
1092 &use_invalidate
.base
,
1096 static const __DRIextension
*image_loader_extensions
[] = {
1097 &image_loader_extension
.base
,
1098 &image_lookup_extension
.base
,
1099 &use_invalidate
.base
,
1104 dri2_wl_add_configs_for_visuals(_EGLDriver
*drv
, _EGLDisplay
*disp
)
1106 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1107 static const struct {
1108 const char *format_name
;
1110 unsigned int rgba_masks
[4];
1112 { "XRGB8888", HAS_XRGB8888
, { 0xff0000, 0xff00, 0x00ff, 0xff000000 } },
1113 { "ARGB8888", HAS_ARGB8888
, { 0xff0000, 0xff00, 0x00ff, 0 } },
1114 { "RGB565", HAS_RGB565
, { 0x00f800, 0x07e0, 0x001f, 0 } },
1116 unsigned int format_count
[ARRAY_SIZE(visuals
)] = { 0 };
1117 unsigned int count
, i
, j
;
1120 for (i
= 0; dri2_dpy
->driver_configs
[i
]; i
++) {
1121 for (j
= 0; j
< ARRAY_SIZE(visuals
); j
++) {
1122 struct dri2_egl_config
*dri2_conf
;
1124 if (!(dri2_dpy
->formats
& visuals
[j
].has_format
))
1127 dri2_conf
= dri2_add_config(disp
, dri2_dpy
->driver_configs
[i
],
1128 count
+ 1, EGL_WINDOW_BIT
, NULL
, visuals
[j
].rgba_masks
);
1136 for (i
= 0; i
< ARRAY_SIZE(format_count
); i
++) {
1137 if (!format_count
[i
]) {
1138 _eglLog(_EGL_DEBUG
, "No DRI config supports native format %s",
1139 visuals
[i
].format_name
);
1143 return (count
!= 0);
1147 dri2_initialize_wayland_drm(_EGLDriver
*drv
, _EGLDisplay
*disp
)
1149 struct dri2_egl_display
*dri2_dpy
;
1151 loader_set_logger(_eglLog
);
1153 dri2_dpy
= calloc(1, sizeof *dri2_dpy
);
1155 return _eglError(EGL_BAD_ALLOC
, "eglInitialize");
1157 disp
->DriverData
= (void *) dri2_dpy
;
1158 if (disp
->PlatformDisplay
== NULL
) {
1159 dri2_dpy
->wl_dpy
= wl_display_connect(NULL
);
1160 if (dri2_dpy
->wl_dpy
== NULL
)
1162 dri2_dpy
->own_device
= 1;
1164 dri2_dpy
->wl_dpy
= disp
->PlatformDisplay
;
1167 dri2_dpy
->wl_queue
= wl_display_create_queue(dri2_dpy
->wl_dpy
);
1169 dri2_dpy
->wl_dpy_wrapper
= wl_proxy_create_wrapper(dri2_dpy
->wl_dpy
);
1170 if (dri2_dpy
->wl_dpy_wrapper
== NULL
)
1171 goto cleanup_dpy_wrapper
;
1173 wl_proxy_set_queue((struct wl_proxy
*) dri2_dpy
->wl_dpy_wrapper
,
1174 dri2_dpy
->wl_queue
);
1176 if (dri2_dpy
->own_device
)
1177 wl_display_dispatch_pending(dri2_dpy
->wl_dpy
);
1179 dri2_dpy
->wl_registry
= wl_display_get_registry(dri2_dpy
->wl_dpy_wrapper
);
1180 wl_registry_add_listener(dri2_dpy
->wl_registry
,
1181 ®istry_listener_drm
, dri2_dpy
);
1182 if (roundtrip(dri2_dpy
) < 0 || dri2_dpy
->wl_drm
== NULL
)
1183 goto cleanup_registry
;
1185 if (roundtrip(dri2_dpy
) < 0 || dri2_dpy
->fd
== -1)
1188 if (roundtrip(dri2_dpy
) < 0 || !dri2_dpy
->authenticated
)
1191 dri2_dpy
->fd
= loader_get_user_preferred_fd(dri2_dpy
->fd
,
1192 &dri2_dpy
->is_different_gpu
);
1193 if (dri2_dpy
->is_different_gpu
) {
1194 free(dri2_dpy
->device_name
);
1195 dri2_dpy
->device_name
= loader_get_device_name_for_fd(dri2_dpy
->fd
);
1196 if (!dri2_dpy
->device_name
) {
1197 _eglError(EGL_BAD_ALLOC
, "wayland-egl: failed to get device name "
1198 "for requested GPU");
1203 /* we have to do the check now, because loader_get_user_preferred_fd
1204 * will return a render-node when the requested gpu is different
1205 * to the server, but also if the client asks for the same gpu than
1206 * the server by requesting its pci-id */
1207 dri2_dpy
->is_render_node
= drmGetNodeTypeFromFd(dri2_dpy
->fd
) == DRM_NODE_RENDER
;
1209 dri2_dpy
->driver_name
= loader_get_driver_for_fd(dri2_dpy
->fd
);
1210 if (dri2_dpy
->driver_name
== NULL
) {
1211 _eglError(EGL_BAD_ALLOC
, "DRI2: failed to get driver name");
1215 if (!dri2_load_driver(disp
))
1216 goto cleanup_driver_name
;
1218 /* render nodes cannot use Gem names, and thus do not support
1219 * the __DRI_DRI2_LOADER extension */
1220 if (!dri2_dpy
->is_render_node
)
1221 dri2_dpy
->loader_extensions
= dri2_loader_extensions
;
1223 dri2_dpy
->loader_extensions
= image_loader_extensions
;
1225 if (!dri2_create_screen(disp
))
1226 goto cleanup_driver
;
1228 dri2_wl_setup_swap_interval(dri2_dpy
);
1230 /* To use Prime, we must have _DRI_IMAGE v7 at least.
1231 * createImageFromFds support indicates that Prime export/import
1232 * is supported by the driver. Fall back to
1233 * gem names if we don't have Prime support. */
1235 if (dri2_dpy
->image
->base
.version
< 7 ||
1236 dri2_dpy
->image
->createImageFromFds
== NULL
)
1237 dri2_dpy
->capabilities
&= ~WL_DRM_CAPABILITY_PRIME
;
1239 /* We cannot use Gem names with render-nodes, only prime fds (dma-buf).
1240 * The server needs to accept them */
1241 if (dri2_dpy
->is_render_node
&&
1242 !(dri2_dpy
->capabilities
& WL_DRM_CAPABILITY_PRIME
)) {
1243 _eglLog(_EGL_WARNING
, "wayland-egl: display is not render-node capable");
1244 goto cleanup_screen
;
1247 if (dri2_dpy
->is_different_gpu
&&
1248 (dri2_dpy
->image
->base
.version
< 9 ||
1249 dri2_dpy
->image
->blitImage
== NULL
)) {
1250 _eglLog(_EGL_WARNING
, "wayland-egl: Different GPU selected, but the "
1251 "Image extension in the driver is not "
1252 "compatible. Version 9 or later and blitImage() "
1254 goto cleanup_screen
;
1257 if (!dri2_wl_add_configs_for_visuals(drv
, disp
)) {
1258 _eglError(EGL_NOT_INITIALIZED
, "DRI2: failed to add configs");
1259 goto cleanup_screen
;
1262 dri2_set_WL_bind_wayland_display(drv
, disp
);
1263 /* When cannot convert EGLImage to wl_buffer when on a different gpu,
1264 * because the buffer of the EGLImage has likely a tiling mode the server
1265 * gpu won't support. These is no way to check for now. Thus do not support the
1267 if (!dri2_dpy
->is_different_gpu
) {
1268 disp
->Extensions
.WL_create_wayland_buffer_from_image
= EGL_TRUE
;
1270 dri2_wl_display_vtbl
.create_wayland_buffer_from_image
=
1271 dri2_fallback_create_wayland_buffer_from_image
;
1273 disp
->Extensions
.EXT_buffer_age
= EGL_TRUE
;
1275 disp
->Extensions
.EXT_swap_buffers_with_damage
= EGL_TRUE
;
1277 /* Fill vtbl last to prevent accidentally calling virtual function during
1280 dri2_dpy
->vtbl
= &dri2_wl_display_vtbl
;
1285 dri2_dpy
->core
->destroyScreen(dri2_dpy
->dri_screen
);
1287 dlclose(dri2_dpy
->driver
);
1288 cleanup_driver_name
:
1289 free(dri2_dpy
->driver_name
);
1291 close(dri2_dpy
->fd
);
1293 free(dri2_dpy
->device_name
);
1294 wl_drm_destroy(dri2_dpy
->wl_drm
);
1296 wl_registry_destroy(dri2_dpy
->wl_registry
);
1297 wl_proxy_wrapper_destroy(dri2_dpy
->wl_dpy_wrapper
);
1298 cleanup_dpy_wrapper
:
1299 wl_event_queue_destroy(dri2_dpy
->wl_queue
);
1300 if (disp
->PlatformDisplay
== NULL
)
1301 wl_display_disconnect(dri2_dpy
->wl_dpy
);
1304 disp
->DriverData
= NULL
;
1310 dri2_wl_swrast_get_stride_for_format(int format
, int w
)
1312 if (format
== WL_SHM_FORMAT_RGB565
)
1314 else /* ARGB8888 || XRGB8888 */
1319 * Taken from weston shared/os-compatibility.c
1322 #ifndef HAVE_MKOSTEMP
1325 set_cloexec_or_close(int fd
)
1332 flags
= fcntl(fd
, F_GETFD
);
1336 if (fcntl(fd
, F_SETFD
, flags
| FD_CLOEXEC
) == -1)
1349 * Taken from weston shared/os-compatibility.c
1353 create_tmpfile_cloexec(char *tmpname
)
1357 #ifdef HAVE_MKOSTEMP
1358 fd
= mkostemp(tmpname
, O_CLOEXEC
);
1362 fd
= mkstemp(tmpname
);
1364 fd
= set_cloexec_or_close(fd
);
1373 * Taken from weston shared/os-compatibility.c
1375 * Create a new, unique, anonymous file of the given size, and
1376 * return the file descriptor for it. The file descriptor is set
1377 * CLOEXEC. The file is immediately suitable for mmap()'ing
1378 * the given size at offset zero.
1380 * The file should not have a permanent backing store like a disk,
1381 * but may have if XDG_RUNTIME_DIR is not properly implemented in OS.
1383 * The file name is deleted from the file system.
1385 * The file is suitable for buffer sharing between processes by
1386 * transmitting the file descriptor over Unix sockets using the
1387 * SCM_RIGHTS methods.
1389 * If the C library implements posix_fallocate(), it is used to
1390 * guarantee that disk space is available for the file at the
1391 * given size. If disk space is insufficent, errno is set to ENOSPC.
1392 * If posix_fallocate() is not supported, program may receive
1393 * SIGBUS on accessing mmap()'ed file contents instead.
1396 os_create_anonymous_file(off_t size
)
1398 static const char template[] = "/mesa-shared-XXXXXX";
1404 path
= getenv("XDG_RUNTIME_DIR");
1410 name
= malloc(strlen(path
) + sizeof(template));
1415 strcat(name
, template);
1417 fd
= create_tmpfile_cloexec(name
);
1424 ret
= ftruncate(fd
, size
);
1435 dri2_wl_swrast_allocate_buffer(struct dri2_egl_surface
*dri2_surf
,
1436 int format
, int w
, int h
,
1437 void **data
, int *size
,
1438 struct wl_buffer
**buffer
)
1440 struct dri2_egl_display
*dri2_dpy
=
1441 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
1442 struct wl_shm_pool
*pool
;
1443 int fd
, stride
, size_map
;
1446 stride
= dri2_wl_swrast_get_stride_for_format(format
, w
);
1447 size_map
= h
* stride
;
1449 /* Create a sharable buffer */
1450 fd
= os_create_anonymous_file(size_map
);
1454 data_map
= mmap(NULL
, size_map
, PROT_READ
| PROT_WRITE
, MAP_SHARED
, fd
, 0);
1455 if (data_map
== MAP_FAILED
) {
1460 /* Share it in a wl_buffer */
1461 pool
= wl_shm_create_pool(dri2_dpy
->wl_shm
, fd
, size_map
);
1462 wl_proxy_set_queue((struct wl_proxy
*)pool
, dri2_surf
->wl_queue
);
1463 *buffer
= wl_shm_pool_create_buffer(pool
, 0, w
, h
, stride
, format
);
1464 wl_shm_pool_destroy(pool
);
1473 swrast_update_buffers(struct dri2_egl_surface
*dri2_surf
)
1475 struct dri2_egl_display
*dri2_dpy
=
1476 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
1479 /* we need to do the following operations only once per frame */
1480 if (dri2_surf
->back
)
1483 if (dri2_surf
->base
.Width
!= dri2_surf
->wl_win
->width
||
1484 dri2_surf
->base
.Height
!= dri2_surf
->wl_win
->height
) {
1486 dri2_wl_release_buffers(dri2_surf
);
1488 dri2_surf
->base
.Width
= dri2_surf
->wl_win
->width
;
1489 dri2_surf
->base
.Height
= dri2_surf
->wl_win
->height
;
1490 dri2_surf
->dx
= dri2_surf
->wl_win
->dx
;
1491 dri2_surf
->dy
= dri2_surf
->wl_win
->dy
;
1492 dri2_surf
->current
= NULL
;
1495 /* find back buffer */
1497 /* There might be a buffer release already queued that wasn't processed */
1498 wl_display_dispatch_queue_pending(dri2_dpy
->wl_dpy
, dri2_surf
->wl_queue
);
1500 /* try get free buffer already created */
1501 for (i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++) {
1502 if (!dri2_surf
->color_buffers
[i
].locked
&&
1503 dri2_surf
->color_buffers
[i
].wl_buffer
) {
1504 dri2_surf
->back
= &dri2_surf
->color_buffers
[i
];
1509 /* else choose any another free location */
1510 if (!dri2_surf
->back
) {
1511 for (i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++) {
1512 if (!dri2_surf
->color_buffers
[i
].locked
) {
1513 dri2_surf
->back
= &dri2_surf
->color_buffers
[i
];
1514 if (!dri2_wl_swrast_allocate_buffer(dri2_surf
,
1516 dri2_surf
->base
.Width
,
1517 dri2_surf
->base
.Height
,
1518 &dri2_surf
->back
->data
,
1519 &dri2_surf
->back
->data_size
,
1520 &dri2_surf
->back
->wl_buffer
)) {
1521 _eglError(EGL_BAD_ALLOC
, "failed to allocate color buffer");
1524 wl_buffer_add_listener(dri2_surf
->back
->wl_buffer
,
1525 &wl_buffer_listener
, dri2_surf
);
1531 if (!dri2_surf
->back
) {
1532 _eglError(EGL_BAD_ALLOC
, "failed to find free buffer");
1536 dri2_surf
->back
->locked
= 1;
1538 /* If we have an extra unlocked buffer at this point, we had to do triple
1539 * buffering for a while, but now can go back to just double buffering.
1540 * That means we can free any unlocked buffer now. */
1541 for (i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++) {
1542 if (!dri2_surf
->color_buffers
[i
].locked
&&
1543 dri2_surf
->color_buffers
[i
].wl_buffer
) {
1544 wl_buffer_destroy(dri2_surf
->color_buffers
[i
].wl_buffer
);
1545 munmap(dri2_surf
->color_buffers
[i
].data
,
1546 dri2_surf
->color_buffers
[i
].data_size
);
1547 dri2_surf
->color_buffers
[i
].wl_buffer
= NULL
;
1548 dri2_surf
->color_buffers
[i
].data
= NULL
;
1556 dri2_wl_swrast_get_frontbuffer_data(struct dri2_egl_surface
*dri2_surf
)
1558 /* if there has been a resize: */
1559 if (!dri2_surf
->current
)
1562 return dri2_surf
->current
->data
;
1566 dri2_wl_swrast_get_backbuffer_data(struct dri2_egl_surface
*dri2_surf
)
1568 assert(dri2_surf
->back
);
1569 return dri2_surf
->back
->data
;
1573 dri2_wl_swrast_commit_backbuffer(struct dri2_egl_surface
*dri2_surf
)
1575 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
1577 while (dri2_surf
->throttle_callback
!= NULL
)
1578 if (wl_display_dispatch_queue(dri2_dpy
->wl_dpy
,
1579 dri2_surf
->wl_queue
) == -1)
1582 if (dri2_surf
->base
.SwapInterval
> 0) {
1583 dri2_surf
->throttle_callback
=
1584 wl_surface_frame(dri2_surf
->wl_surface_wrapper
);
1585 wl_callback_add_listener(dri2_surf
->throttle_callback
,
1586 &throttle_listener
, dri2_surf
);
1589 dri2_surf
->current
= dri2_surf
->back
;
1590 dri2_surf
->back
= NULL
;
1592 wl_surface_attach(dri2_surf
->wl_surface_wrapper
,
1593 dri2_surf
->current
->wl_buffer
,
1594 dri2_surf
->dx
, dri2_surf
->dy
);
1596 dri2_surf
->wl_win
->attached_width
= dri2_surf
->base
.Width
;
1597 dri2_surf
->wl_win
->attached_height
= dri2_surf
->base
.Height
;
1598 /* reset resize growing parameters */
1602 wl_surface_damage(dri2_surf
->wl_surface_wrapper
,
1603 0, 0, INT32_MAX
, INT32_MAX
);
1604 wl_surface_commit(dri2_surf
->wl_surface_wrapper
);
1606 /* If we're not waiting for a frame callback then we'll at least throttle
1607 * to a sync callback so that we always give a chance for the compositor to
1608 * handle the commit and send a release event before checking for a free
1610 if (dri2_surf
->throttle_callback
== NULL
) {
1611 dri2_surf
->throttle_callback
= wl_display_sync(dri2_dpy
->wl_dpy_wrapper
);
1612 wl_callback_add_listener(dri2_surf
->throttle_callback
,
1613 &throttle_listener
, dri2_surf
);
1616 wl_display_flush(dri2_dpy
->wl_dpy
);
1620 dri2_wl_swrast_get_drawable_info(__DRIdrawable
* draw
,
1621 int *x
, int *y
, int *w
, int *h
,
1622 void *loaderPrivate
)
1624 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
1626 (void) swrast_update_buffers(dri2_surf
);
1629 *w
= dri2_surf
->base
.Width
;
1630 *h
= dri2_surf
->base
.Height
;
1634 dri2_wl_swrast_get_image(__DRIdrawable
* read
,
1635 int x
, int y
, int w
, int h
,
1636 char *data
, void *loaderPrivate
)
1638 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
1639 int copy_width
= dri2_wl_swrast_get_stride_for_format(dri2_surf
->format
, w
);
1640 int x_offset
= dri2_wl_swrast_get_stride_for_format(dri2_surf
->format
, x
);
1641 int src_stride
= dri2_wl_swrast_get_stride_for_format(dri2_surf
->format
, dri2_surf
->base
.Width
);
1642 int dst_stride
= copy_width
;
1645 src
= dri2_wl_swrast_get_frontbuffer_data(dri2_surf
);
1647 memset(data
, 0, copy_width
* h
);
1651 assert(data
!= src
);
1652 assert(copy_width
<= src_stride
);
1655 src
+= y
* src_stride
;
1658 if (copy_width
> src_stride
-x_offset
)
1659 copy_width
= src_stride
-x_offset
;
1660 if (h
> dri2_surf
->base
.Height
-y
)
1661 h
= dri2_surf
->base
.Height
-y
;
1664 memcpy(dst
, src
, copy_width
);
1671 dri2_wl_swrast_put_image2(__DRIdrawable
* draw
, int op
,
1672 int x
, int y
, int w
, int h
, int stride
,
1673 char *data
, void *loaderPrivate
)
1675 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
1676 int copy_width
= dri2_wl_swrast_get_stride_for_format(dri2_surf
->format
, w
);
1677 int dst_stride
= dri2_wl_swrast_get_stride_for_format(dri2_surf
->format
, dri2_surf
->base
.Width
);
1678 int x_offset
= dri2_wl_swrast_get_stride_for_format(dri2_surf
->format
, x
);
1681 assert(copy_width
<= stride
);
1683 (void) swrast_update_buffers(dri2_surf
);
1684 dst
= dri2_wl_swrast_get_backbuffer_data(dri2_surf
);
1686 /* partial copy, copy old content */
1687 if (copy_width
< dst_stride
)
1688 dri2_wl_swrast_get_image(draw
, 0, 0,
1689 dri2_surf
->base
.Width
, dri2_surf
->base
.Height
,
1690 dst
, loaderPrivate
);
1693 dst
+= y
* dst_stride
;
1697 /* drivers expect we do these checks (and some rely on it) */
1698 if (copy_width
> dst_stride
-x_offset
)
1699 copy_width
= dst_stride
-x_offset
;
1700 if (h
> dri2_surf
->base
.Height
-y
)
1701 h
= dri2_surf
->base
.Height
-y
;
1704 memcpy(dst
, src
, copy_width
);
1708 dri2_wl_swrast_commit_backbuffer(dri2_surf
);
1712 dri2_wl_swrast_put_image(__DRIdrawable
* draw
, int op
,
1713 int x
, int y
, int w
, int h
,
1714 char *data
, void *loaderPrivate
)
1716 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
1719 stride
= dri2_wl_swrast_get_stride_for_format(dri2_surf
->format
, w
);
1720 dri2_wl_swrast_put_image2(draw
, op
, x
, y
, w
, h
,
1721 stride
, data
, loaderPrivate
);
1725 dri2_wl_swrast_swap_buffers(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*draw
)
1727 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1728 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(draw
);
1730 dri2_dpy
->core
->swapBuffers(dri2_surf
->dri_drawable
);
1735 shm_handle_format(void *data
, struct wl_shm
*shm
, uint32_t format
)
1737 struct dri2_egl_display
*dri2_dpy
= data
;
1740 case WL_SHM_FORMAT_ARGB8888
:
1741 dri2_dpy
->formats
|= HAS_ARGB8888
;
1743 case WL_SHM_FORMAT_XRGB8888
:
1744 dri2_dpy
->formats
|= HAS_XRGB8888
;
1746 case WL_SHM_FORMAT_RGB565
:
1747 dri2_dpy
->formats
|= HAS_RGB565
;
1752 static const struct wl_shm_listener shm_listener
= {
1753 .format
= shm_handle_format
1757 registry_handle_global_swrast(void *data
, struct wl_registry
*registry
, uint32_t name
,
1758 const char *interface
, uint32_t version
)
1760 struct dri2_egl_display
*dri2_dpy
= data
;
1762 if (strcmp(interface
, "wl_shm") == 0) {
1764 wl_registry_bind(registry
, name
, &wl_shm_interface
, 1);
1765 wl_shm_add_listener(dri2_dpy
->wl_shm
, &shm_listener
, dri2_dpy
);
1769 static const struct wl_registry_listener registry_listener_swrast
= {
1770 .global
= registry_handle_global_swrast
,
1771 .global_remove
= registry_handle_global_remove
1774 static struct dri2_egl_display_vtbl dri2_wl_swrast_display_vtbl
= {
1775 .authenticate
= NULL
,
1776 .create_window_surface
= dri2_wl_create_window_surface
,
1777 .create_pixmap_surface
= dri2_wl_create_pixmap_surface
,
1778 .create_pbuffer_surface
= dri2_fallback_create_pbuffer_surface
,
1779 .destroy_surface
= dri2_wl_destroy_surface
,
1780 .create_image
= dri2_fallback_create_image_khr
,
1781 .swap_interval
= dri2_wl_swap_interval
,
1782 .swap_buffers
= dri2_wl_swrast_swap_buffers
,
1783 .swap_buffers_with_damage
= dri2_fallback_swap_buffers_with_damage
,
1784 .swap_buffers_region
= dri2_fallback_swap_buffers_region
,
1785 .post_sub_buffer
= dri2_fallback_post_sub_buffer
,
1786 .copy_buffers
= dri2_fallback_copy_buffers
,
1787 .query_buffer_age
= dri2_fallback_query_buffer_age
,
1788 .create_wayland_buffer_from_image
= dri2_fallback_create_wayland_buffer_from_image
,
1789 .get_sync_values
= dri2_fallback_get_sync_values
,
1790 .get_dri_drawable
= dri2_surface_get_dri_drawable
,
1793 static const __DRIswrastLoaderExtension swrast_loader_extension
= {
1794 .base
= { __DRI_SWRAST_LOADER
, 2 },
1796 .getDrawableInfo
= dri2_wl_swrast_get_drawable_info
,
1797 .putImage
= dri2_wl_swrast_put_image
,
1798 .getImage
= dri2_wl_swrast_get_image
,
1799 .putImage2
= dri2_wl_swrast_put_image2
,
1802 static const __DRIextension
*swrast_loader_extensions
[] = {
1803 &swrast_loader_extension
.base
,
1808 dri2_initialize_wayland_swrast(_EGLDriver
*drv
, _EGLDisplay
*disp
)
1810 struct dri2_egl_display
*dri2_dpy
;
1812 loader_set_logger(_eglLog
);
1814 dri2_dpy
= calloc(1, sizeof *dri2_dpy
);
1816 return _eglError(EGL_BAD_ALLOC
, "eglInitialize");
1818 disp
->DriverData
= (void *) dri2_dpy
;
1819 if (disp
->PlatformDisplay
== NULL
) {
1820 dri2_dpy
->wl_dpy
= wl_display_connect(NULL
);
1821 if (dri2_dpy
->wl_dpy
== NULL
)
1823 dri2_dpy
->own_device
= 1;
1825 dri2_dpy
->wl_dpy
= disp
->PlatformDisplay
;
1828 dri2_dpy
->wl_queue
= wl_display_create_queue(dri2_dpy
->wl_dpy
);
1830 dri2_dpy
->wl_dpy_wrapper
= wl_proxy_create_wrapper(dri2_dpy
->wl_dpy
);
1831 if (dri2_dpy
->wl_dpy_wrapper
== NULL
)
1832 goto cleanup_dpy_wrapper
;
1834 wl_proxy_set_queue((struct wl_proxy
*) dri2_dpy
->wl_dpy_wrapper
,
1835 dri2_dpy
->wl_queue
);
1837 if (dri2_dpy
->own_device
)
1838 wl_display_dispatch_pending(dri2_dpy
->wl_dpy
);
1840 dri2_dpy
->wl_registry
= wl_display_get_registry(dri2_dpy
->wl_dpy_wrapper
);
1841 wl_registry_add_listener(dri2_dpy
->wl_registry
,
1842 ®istry_listener_swrast
, dri2_dpy
);
1844 if (roundtrip(dri2_dpy
) < 0 || dri2_dpy
->wl_shm
== NULL
)
1845 goto cleanup_registry
;
1847 if (roundtrip(dri2_dpy
) < 0 || dri2_dpy
->formats
== 0)
1851 dri2_dpy
->driver_name
= strdup("swrast");
1852 if (!dri2_load_driver_swrast(disp
))
1855 dri2_dpy
->loader_extensions
= swrast_loader_extensions
;
1857 if (!dri2_create_screen(disp
))
1858 goto cleanup_driver
;
1860 dri2_wl_setup_swap_interval(dri2_dpy
);
1862 if (!dri2_wl_add_configs_for_visuals(drv
, disp
)) {
1863 _eglError(EGL_NOT_INITIALIZED
, "DRI2: failed to add configs");
1864 goto cleanup_screen
;
1867 /* Fill vtbl last to prevent accidentally calling virtual function during
1870 dri2_dpy
->vtbl
= &dri2_wl_swrast_display_vtbl
;
1875 dri2_dpy
->core
->destroyScreen(dri2_dpy
->dri_screen
);
1877 dlclose(dri2_dpy
->driver
);
1879 wl_shm_destroy(dri2_dpy
->wl_shm
);
1881 wl_registry_destroy(dri2_dpy
->wl_registry
);
1882 wl_proxy_wrapper_destroy(dri2_dpy
->wl_dpy_wrapper
);
1883 cleanup_dpy_wrapper
:
1884 wl_event_queue_destroy(dri2_dpy
->wl_queue
);
1885 if (disp
->PlatformDisplay
== NULL
)
1886 wl_display_disconnect(dri2_dpy
->wl_dpy
);
1889 disp
->DriverData
= NULL
;
1895 dri2_initialize_wayland(_EGLDriver
*drv
, _EGLDisplay
*disp
)
1897 EGLBoolean initialized
= EGL_TRUE
;
1899 int hw_accel
= (getenv("LIBGL_ALWAYS_SOFTWARE") == NULL
);
1902 if (!dri2_initialize_wayland_drm(drv
, disp
)) {
1903 initialized
= dri2_initialize_wayland_swrast(drv
, disp
);
1906 initialized
= dri2_initialize_wayland_swrast(drv
, disp
);