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>
39 #include <drm_fourcc.h>
43 #include "egl_dri2_fallbacks.h"
45 #include "util/debug.h"
46 #include "util/u_vector.h"
47 #include "eglglobals.h"
49 #include <wayland-client.h>
50 #include "wayland-drm-client-protocol.h"
51 #include "linux-dmabuf-unstable-v1-client-protocol.h"
53 #ifndef DRM_FORMAT_MOD_INVALID
54 #define DRM_FORMAT_MOD_INVALID ((1ULL << 56) - 1)
57 #ifndef DRM_FORMAT_MOD_LINEAR
58 #define DRM_FORMAT_MOD_LINEAR 0
61 enum wl_drm_format_flags
{
68 roundtrip(struct dri2_egl_display
*dri2_dpy
)
70 return wl_display_roundtrip_queue(dri2_dpy
->wl_dpy
, dri2_dpy
->wl_queue
);
74 wl_buffer_release(void *data
, struct wl_buffer
*buffer
)
76 struct dri2_egl_surface
*dri2_surf
= data
;
79 for (i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); ++i
)
80 if (dri2_surf
->color_buffers
[i
].wl_buffer
== buffer
)
83 if (i
== ARRAY_SIZE(dri2_surf
->color_buffers
)) {
84 wl_buffer_destroy(buffer
);
88 dri2_surf
->color_buffers
[i
].locked
= false;
91 static const struct wl_buffer_listener wl_buffer_listener
= {
92 .release
= wl_buffer_release
96 resize_callback(struct wl_egl_window
*wl_win
, void *data
)
98 struct dri2_egl_surface
*dri2_surf
= data
;
99 struct dri2_egl_display
*dri2_dpy
=
100 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
102 dri2_dpy
->flush
->invalidate(dri2_surf
->dri_drawable
);
106 destroy_window_callback(void *data
)
108 struct dri2_egl_surface
*dri2_surf
= data
;
109 dri2_surf
->wl_win
= NULL
;
112 static struct wl_surface
*
113 get_wl_surface_proxy(struct wl_egl_window
*window
)
115 /* Version 3 of wl_egl_window introduced a version field at the same
116 * location where a pointer to wl_surface was stored. Thus, if
117 * window->version is dereferencable, we've been given an older version of
118 * wl_egl_window, and window->version points to wl_surface */
119 if (_eglPointerIsDereferencable((void *)(window
->version
))) {
120 return wl_proxy_create_wrapper((void *)(window
->version
));
122 return wl_proxy_create_wrapper(window
->surface
);
126 * Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface().
129 dri2_wl_create_window_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
130 _EGLConfig
*conf
, void *native_window
,
131 const EGLint
*attrib_list
)
133 __DRIcreateNewDrawableFunc createNewDrawable
;
134 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
135 struct dri2_egl_config
*dri2_conf
= dri2_egl_config(conf
);
136 struct wl_egl_window
*window
= native_window
;
137 struct dri2_egl_surface
*dri2_surf
;
138 const __DRIconfig
*config
;
140 dri2_surf
= calloc(1, sizeof *dri2_surf
);
142 _eglError(EGL_BAD_ALLOC
, "dri2_create_surface");
146 if (!dri2_init_surface(&dri2_surf
->base
, disp
, EGL_WINDOW_BIT
, conf
, attrib_list
, false))
149 if (dri2_dpy
->wl_dmabuf
|| dri2_dpy
->wl_drm
) {
150 if (conf
->RedSize
== 5)
151 dri2_surf
->format
= WL_DRM_FORMAT_RGB565
;
152 else if (conf
->AlphaSize
== 0)
153 dri2_surf
->format
= WL_DRM_FORMAT_XRGB8888
;
155 dri2_surf
->format
= WL_DRM_FORMAT_ARGB8888
;
157 assert(dri2_dpy
->wl_shm
);
158 if (conf
->RedSize
== 5)
159 dri2_surf
->format
= WL_SHM_FORMAT_RGB565
;
160 else if (conf
->AlphaSize
== 0)
161 dri2_surf
->format
= WL_SHM_FORMAT_XRGB8888
;
163 dri2_surf
->format
= WL_SHM_FORMAT_ARGB8888
;
166 dri2_surf
->wl_queue
= wl_display_create_queue(dri2_dpy
->wl_dpy
);
167 if (!dri2_surf
->wl_queue
) {
168 _eglError(EGL_BAD_ALLOC
, "dri2_create_surface");
172 if (dri2_dpy
->wl_drm
) {
173 dri2_surf
->wl_drm_wrapper
= wl_proxy_create_wrapper(dri2_dpy
->wl_drm
);
174 if (!dri2_surf
->wl_drm_wrapper
) {
175 _eglError(EGL_BAD_ALLOC
, "dri2_create_surface");
178 wl_proxy_set_queue((struct wl_proxy
*)dri2_surf
->wl_drm_wrapper
,
179 dri2_surf
->wl_queue
);
182 dri2_surf
->wl_dpy_wrapper
= wl_proxy_create_wrapper(dri2_dpy
->wl_dpy
);
183 if (!dri2_surf
->wl_dpy_wrapper
) {
184 _eglError(EGL_BAD_ALLOC
, "dri2_create_surface");
187 wl_proxy_set_queue((struct wl_proxy
*)dri2_surf
->wl_dpy_wrapper
,
188 dri2_surf
->wl_queue
);
190 dri2_surf
->wl_surface_wrapper
= get_wl_surface_proxy(window
);
191 if (!dri2_surf
->wl_surface_wrapper
) {
192 _eglError(EGL_BAD_ALLOC
, "dri2_create_surface");
193 goto cleanup_dpy_wrapper
;
195 wl_proxy_set_queue((struct wl_proxy
*)dri2_surf
->wl_surface_wrapper
,
196 dri2_surf
->wl_queue
);
198 dri2_surf
->wl_win
= window
;
199 dri2_surf
->wl_win
->private = dri2_surf
;
200 dri2_surf
->wl_win
->destroy_window_callback
= destroy_window_callback
;
202 dri2_surf
->wl_win
->resize_callback
= resize_callback
;
204 config
= dri2_get_dri_config(dri2_conf
, EGL_WINDOW_BIT
,
205 dri2_surf
->base
.GLColorspace
);
207 if (dri2_dpy
->image_driver
)
208 createNewDrawable
= dri2_dpy
->image_driver
->createNewDrawable
;
209 else if (dri2_dpy
->dri2
)
210 createNewDrawable
= dri2_dpy
->dri2
->createNewDrawable
;
212 createNewDrawable
= dri2_dpy
->swrast
->createNewDrawable
;
214 dri2_surf
->dri_drawable
= (*createNewDrawable
)(dri2_dpy
->dri_screen
, config
,
216 if (dri2_surf
->dri_drawable
== NULL
) {
217 _eglError(EGL_BAD_ALLOC
, "createNewDrawable");
218 goto cleanup_surf_wrapper
;
221 dri2_surf
->base
.SwapInterval
= dri2_dpy
->default_swap_interval
;
223 return &dri2_surf
->base
;
225 cleanup_surf_wrapper
:
226 wl_proxy_wrapper_destroy(dri2_surf
->wl_surface_wrapper
);
228 wl_proxy_wrapper_destroy(dri2_surf
->wl_dpy_wrapper
);
230 if (dri2_surf
->wl_drm_wrapper
)
231 wl_proxy_wrapper_destroy(dri2_surf
->wl_drm_wrapper
);
233 wl_event_queue_destroy(dri2_surf
->wl_queue
);
241 dri2_wl_create_pixmap_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
242 _EGLConfig
*conf
, void *native_window
,
243 const EGLint
*attrib_list
)
245 /* From the EGL_EXT_platform_wayland spec, version 3:
247 * It is not valid to call eglCreatePlatformPixmapSurfaceEXT with a <dpy>
248 * that belongs to Wayland. Any such call fails and generates
251 _eglError(EGL_BAD_PARAMETER
, "cannot create EGL pixmap surfaces on "
257 * Called via eglDestroySurface(), drv->API.DestroySurface().
260 dri2_wl_destroy_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
)
262 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
263 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
267 dri2_dpy
->core
->destroyDrawable(dri2_surf
->dri_drawable
);
269 for (int i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++) {
270 if (dri2_surf
->color_buffers
[i
].wl_buffer
)
271 wl_buffer_destroy(dri2_surf
->color_buffers
[i
].wl_buffer
);
272 if (dri2_surf
->color_buffers
[i
].dri_image
)
273 dri2_dpy
->image
->destroyImage(dri2_surf
->color_buffers
[i
].dri_image
);
274 if (dri2_surf
->color_buffers
[i
].linear_copy
)
275 dri2_dpy
->image
->destroyImage(dri2_surf
->color_buffers
[i
].linear_copy
);
276 if (dri2_surf
->color_buffers
[i
].data
)
277 munmap(dri2_surf
->color_buffers
[i
].data
,
278 dri2_surf
->color_buffers
[i
].data_size
);
282 dri2_egl_surface_free_local_buffers(dri2_surf
);
284 if (dri2_surf
->throttle_callback
)
285 wl_callback_destroy(dri2_surf
->throttle_callback
);
287 if (dri2_surf
->wl_win
) {
288 dri2_surf
->wl_win
->private = NULL
;
289 dri2_surf
->wl_win
->resize_callback
= NULL
;
290 dri2_surf
->wl_win
->destroy_window_callback
= NULL
;
293 wl_proxy_wrapper_destroy(dri2_surf
->wl_surface_wrapper
);
294 wl_proxy_wrapper_destroy(dri2_surf
->wl_dpy_wrapper
);
295 if (dri2_surf
->wl_drm_wrapper
)
296 wl_proxy_wrapper_destroy(dri2_surf
->wl_drm_wrapper
);
297 wl_event_queue_destroy(dri2_surf
->wl_queue
);
299 dri2_fini_surface(surf
);
306 dri2_wl_release_buffers(struct dri2_egl_surface
*dri2_surf
)
308 struct dri2_egl_display
*dri2_dpy
=
309 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
311 for (int i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++) {
312 if (dri2_surf
->color_buffers
[i
].wl_buffer
&&
313 !dri2_surf
->color_buffers
[i
].locked
)
314 wl_buffer_destroy(dri2_surf
->color_buffers
[i
].wl_buffer
);
315 if (dri2_surf
->color_buffers
[i
].dri_image
)
316 dri2_dpy
->image
->destroyImage(dri2_surf
->color_buffers
[i
].dri_image
);
317 if (dri2_surf
->color_buffers
[i
].linear_copy
)
318 dri2_dpy
->image
->destroyImage(dri2_surf
->color_buffers
[i
].linear_copy
);
319 if (dri2_surf
->color_buffers
[i
].data
)
320 munmap(dri2_surf
->color_buffers
[i
].data
,
321 dri2_surf
->color_buffers
[i
].data_size
);
323 dri2_surf
->color_buffers
[i
].wl_buffer
= NULL
;
324 dri2_surf
->color_buffers
[i
].dri_image
= NULL
;
325 dri2_surf
->color_buffers
[i
].linear_copy
= NULL
;
326 dri2_surf
->color_buffers
[i
].data
= NULL
;
327 dri2_surf
->color_buffers
[i
].locked
= false;
331 dri2_egl_surface_free_local_buffers(dri2_surf
);
335 get_back_bo(struct dri2_egl_surface
*dri2_surf
)
337 struct dri2_egl_display
*dri2_dpy
=
338 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
340 unsigned int dri_image_format
;
344 /* currently supports three WL DRM formats,
345 * WL_DRM_FORMAT_ARGB8888, WL_DRM_FORMAT_XRGB8888,
346 * and WL_DRM_FORMAT_RGB565
348 switch (dri2_surf
->format
) {
349 case WL_DRM_FORMAT_ARGB8888
:
350 dri_image_format
= __DRI_IMAGE_FORMAT_ARGB8888
;
351 modifiers
= u_vector_tail(&dri2_dpy
->wl_modifiers
.argb8888
);
352 num_modifiers
= u_vector_length(&dri2_dpy
->wl_modifiers
.argb8888
);
354 case WL_DRM_FORMAT_XRGB8888
:
355 dri_image_format
= __DRI_IMAGE_FORMAT_XRGB8888
;
356 modifiers
= u_vector_tail(&dri2_dpy
->wl_modifiers
.xrgb8888
);
357 num_modifiers
= u_vector_length(&dri2_dpy
->wl_modifiers
.xrgb8888
);
359 case WL_DRM_FORMAT_RGB565
:
360 dri_image_format
= __DRI_IMAGE_FORMAT_RGB565
;
361 modifiers
= u_vector_tail(&dri2_dpy
->wl_modifiers
.rgb565
);
362 num_modifiers
= u_vector_length(&dri2_dpy
->wl_modifiers
.rgb565
);
365 /* format is not supported */
369 /* There might be a buffer release already queued that wasn't processed */
370 wl_display_dispatch_queue_pending(dri2_dpy
->wl_dpy
, dri2_surf
->wl_queue
);
372 while (dri2_surf
->back
== NULL
) {
373 for (int i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++) {
374 /* Get an unlocked buffer, preferrably one with a dri_buffer
375 * already allocated. */
376 if (dri2_surf
->color_buffers
[i
].locked
)
378 if (dri2_surf
->back
== NULL
)
379 dri2_surf
->back
= &dri2_surf
->color_buffers
[i
];
380 else if (dri2_surf
->back
->dri_image
== NULL
)
381 dri2_surf
->back
= &dri2_surf
->color_buffers
[i
];
387 /* If we don't have a buffer, then block on the server to release one for
388 * us, and try again. wl_display_dispatch_queue will process any pending
389 * events, however not all servers flush on issuing a buffer release
390 * event. So, we spam the server with roundtrips as they always cause a
393 if (wl_display_roundtrip_queue(dri2_dpy
->wl_dpy
,
394 dri2_surf
->wl_queue
) < 0)
398 if (dri2_surf
->back
== NULL
)
401 use_flags
= __DRI_IMAGE_USE_SHARE
| __DRI_IMAGE_USE_BACKBUFFER
;
403 if (dri2_dpy
->is_different_gpu
&&
404 dri2_surf
->back
->linear_copy
== NULL
) {
405 /* The LINEAR modifier should be a perfect alias of the LINEAR use
406 * flag; try the new interface first before the old, then fall back. */
407 if (dri2_dpy
->image
->base
.version
>= 15 &&
408 dri2_dpy
->image
->createImageWithModifiers
) {
409 uint64_t linear_mod
= DRM_FORMAT_MOD_LINEAR
;
411 dri2_surf
->back
->linear_copy
=
412 dri2_dpy
->image
->createImageWithModifiers(dri2_dpy
->dri_screen
,
413 dri2_surf
->base
.Width
,
414 dri2_surf
->base
.Height
,
420 dri2_surf
->back
->linear_copy
=
421 dri2_dpy
->image
->createImage(dri2_dpy
->dri_screen
,
422 dri2_surf
->base
.Width
,
423 dri2_surf
->base
.Height
,
426 __DRI_IMAGE_USE_LINEAR
,
429 if (dri2_surf
->back
->linear_copy
== NULL
)
433 if (dri2_surf
->back
->dri_image
== NULL
) {
434 /* If our DRIImage implementation does not support
435 * createImageWithModifiers, then fall back to the old createImage,
436 * and hope it allocates an image which is acceptable to the winsys.
438 if (num_modifiers
&& dri2_dpy
->image
->base
.version
>= 15 &&
439 dri2_dpy
->image
->createImageWithModifiers
) {
440 dri2_surf
->back
->dri_image
=
441 dri2_dpy
->image
->createImageWithModifiers(dri2_dpy
->dri_screen
,
442 dri2_surf
->base
.Width
,
443 dri2_surf
->base
.Height
,
449 dri2_surf
->back
->dri_image
=
450 dri2_dpy
->image
->createImage(dri2_dpy
->dri_screen
,
451 dri2_surf
->base
.Width
,
452 dri2_surf
->base
.Height
,
454 dri2_dpy
->is_different_gpu
?
459 dri2_surf
->back
->age
= 0;
461 if (dri2_surf
->back
->dri_image
== NULL
)
464 dri2_surf
->back
->locked
= true;
471 back_bo_to_dri_buffer(struct dri2_egl_surface
*dri2_surf
, __DRIbuffer
*buffer
)
473 struct dri2_egl_display
*dri2_dpy
=
474 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
478 image
= dri2_surf
->back
->dri_image
;
480 dri2_dpy
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_NAME
, &name
);
481 dri2_dpy
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_STRIDE
, &pitch
);
483 buffer
->attachment
= __DRI_BUFFER_BACK_LEFT
;
485 buffer
->pitch
= pitch
;
491 update_buffers(struct dri2_egl_surface
*dri2_surf
)
493 struct dri2_egl_display
*dri2_dpy
=
494 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
496 if (dri2_surf
->base
.Width
!= dri2_surf
->wl_win
->width
||
497 dri2_surf
->base
.Height
!= dri2_surf
->wl_win
->height
) {
499 dri2_wl_release_buffers(dri2_surf
);
501 dri2_surf
->base
.Width
= dri2_surf
->wl_win
->width
;
502 dri2_surf
->base
.Height
= dri2_surf
->wl_win
->height
;
503 dri2_surf
->dx
= dri2_surf
->wl_win
->dx
;
504 dri2_surf
->dy
= dri2_surf
->wl_win
->dy
;
507 if (get_back_bo(dri2_surf
) < 0) {
508 _eglError(EGL_BAD_ALLOC
, "failed to allocate color buffer");
512 /* If we have an extra unlocked buffer at this point, we had to do triple
513 * buffering for a while, but now can go back to just double buffering.
514 * That means we can free any unlocked buffer now. */
515 for (int i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++) {
516 if (!dri2_surf
->color_buffers
[i
].locked
&&
517 dri2_surf
->color_buffers
[i
].wl_buffer
) {
518 wl_buffer_destroy(dri2_surf
->color_buffers
[i
].wl_buffer
);
519 dri2_dpy
->image
->destroyImage(dri2_surf
->color_buffers
[i
].dri_image
);
520 if (dri2_dpy
->is_different_gpu
)
521 dri2_dpy
->image
->destroyImage(dri2_surf
->color_buffers
[i
].linear_copy
);
522 dri2_surf
->color_buffers
[i
].wl_buffer
= NULL
;
523 dri2_surf
->color_buffers
[i
].dri_image
= NULL
;
524 dri2_surf
->color_buffers
[i
].linear_copy
= NULL
;
532 dri2_wl_get_buffers_with_format(__DRIdrawable
* driDrawable
,
533 int *width
, int *height
,
534 unsigned int *attachments
, int count
,
535 int *out_count
, void *loaderPrivate
)
537 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
540 if (update_buffers(dri2_surf
) < 0)
543 for (i
= 0, j
= 0; i
< 2 * count
; i
+= 2, j
++) {
546 switch (attachments
[i
]) {
547 case __DRI_BUFFER_BACK_LEFT
:
548 back_bo_to_dri_buffer(dri2_surf
, &dri2_surf
->buffers
[j
]);
551 local
= dri2_egl_surface_alloc_local_buffer(dri2_surf
, attachments
[i
],
555 _eglError(EGL_BAD_ALLOC
, "failed to allocate local buffer");
558 dri2_surf
->buffers
[j
] = *local
;
567 *width
= dri2_surf
->base
.Width
;
568 *height
= dri2_surf
->base
.Height
;
570 return dri2_surf
->buffers
;
574 dri2_wl_get_buffers(__DRIdrawable
* driDrawable
,
575 int *width
, int *height
,
576 unsigned int *attachments
, int count
,
577 int *out_count
, void *loaderPrivate
)
579 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
580 unsigned int *attachments_with_format
;
584 switch (dri2_surf
->format
) {
585 case WL_DRM_FORMAT_ARGB8888
:
586 case WL_DRM_FORMAT_XRGB8888
:
589 case WL_DRM_FORMAT_RGB565
:
593 /* format is not supported */
597 attachments_with_format
= calloc(count
, 2 * sizeof(unsigned int));
598 if (!attachments_with_format
) {
603 for (int i
= 0; i
< count
; ++i
) {
604 attachments_with_format
[2*i
] = attachments
[i
];
605 attachments_with_format
[2*i
+ 1] = bpp
;
609 dri2_wl_get_buffers_with_format(driDrawable
,
611 attachments_with_format
, count
,
612 out_count
, loaderPrivate
);
614 free(attachments_with_format
);
620 image_get_buffers(__DRIdrawable
*driDrawable
,
624 uint32_t buffer_mask
,
625 struct __DRIimageList
*buffers
)
627 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
629 if (update_buffers(dri2_surf
) < 0)
632 buffers
->image_mask
= __DRI_IMAGE_BUFFER_BACK
;
633 buffers
->back
= dri2_surf
->back
->dri_image
;
639 dri2_wl_flush_front_buffer(__DRIdrawable
* driDrawable
, void *loaderPrivate
)
642 (void) loaderPrivate
;
645 static const __DRIdri2LoaderExtension dri2_loader_extension
= {
646 .base
= { __DRI_DRI2_LOADER
, 3 },
648 .getBuffers
= dri2_wl_get_buffers
,
649 .flushFrontBuffer
= dri2_wl_flush_front_buffer
,
650 .getBuffersWithFormat
= dri2_wl_get_buffers_with_format
,
653 static const __DRIimageLoaderExtension image_loader_extension
= {
654 .base
= { __DRI_IMAGE_LOADER
, 1 },
656 .getBuffers
= image_get_buffers
,
657 .flushFrontBuffer
= dri2_wl_flush_front_buffer
,
661 wayland_throttle_callback(void *data
,
662 struct wl_callback
*callback
,
665 struct dri2_egl_surface
*dri2_surf
= data
;
667 dri2_surf
->throttle_callback
= NULL
;
668 wl_callback_destroy(callback
);
671 static const struct wl_callback_listener throttle_listener
= {
672 .done
= wayland_throttle_callback
675 static struct wl_buffer
*
676 create_wl_buffer(struct dri2_egl_display
*dri2_dpy
,
677 struct dri2_egl_surface
*dri2_surf
,
680 struct wl_buffer
*ret
;
681 int width
, height
, fourcc
, num_planes
;
683 dri2_dpy
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_WIDTH
, &width
);
684 dri2_dpy
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_HEIGHT
, &height
);
685 dri2_dpy
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_FOURCC
, &fourcc
);
686 dri2_dpy
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_NUM_PLANES
,
689 if (dri2_dpy
->wl_dmabuf
&& dri2_dpy
->image
->base
.version
>= 15) {
690 struct zwp_linux_buffer_params_v1
*params
;
694 dri2_dpy
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_MODIFIER_UPPER
,
696 dri2_dpy
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_MODIFIER_LOWER
,
699 /* We don't need a wrapper for wl_dmabuf objects, because we have to
700 * create the intermediate params object; we can set the queue on this,
701 * and the wl_buffer inherits it race-free. */
702 params
= zwp_linux_dmabuf_v1_create_params(dri2_dpy
->wl_dmabuf
);
704 wl_proxy_set_queue((struct wl_proxy
*) params
, dri2_surf
->wl_queue
);
706 for (i
= 0; i
< num_planes
; i
++) {
708 int stride
, offset
, fd
;
713 p_image
= dri2_dpy
->image
->fromPlanar(image
, i
, NULL
);
715 zwp_linux_buffer_params_v1_destroy(params
);
719 dri2_dpy
->image
->queryImage(p_image
, __DRI_IMAGE_ATTRIB_FD
, &fd
);
720 dri2_dpy
->image
->queryImage(p_image
, __DRI_IMAGE_ATTRIB_STRIDE
,
722 dri2_dpy
->image
->queryImage(p_image
, __DRI_IMAGE_ATTRIB_OFFSET
,
724 if (image
!= p_image
)
725 dri2_dpy
->image
->destroyImage(p_image
);
727 zwp_linux_buffer_params_v1_add(params
, fd
, i
, offset
, stride
,
732 ret
= zwp_linux_buffer_params_v1_create_immed(params
, width
, height
,
734 zwp_linux_buffer_params_v1_destroy(params
);
735 } else if (dri2_dpy
->capabilities
& WL_DRM_CAPABILITY_PRIME
) {
736 struct wl_drm
*wl_drm
=
737 dri2_surf
? dri2_surf
->wl_drm_wrapper
: dri2_dpy
->wl_drm
;
743 dri2_dpy
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_FD
, &fd
);
744 dri2_dpy
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_STRIDE
, &stride
);
745 ret
= wl_drm_create_prime_buffer(wl_drm
, fd
, width
, height
, fourcc
, 0,
749 struct wl_drm
*wl_drm
=
750 dri2_surf
? dri2_surf
->wl_drm_wrapper
: dri2_dpy
->wl_drm
;
756 dri2_dpy
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_NAME
, &name
);
757 dri2_dpy
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_STRIDE
, &stride
);
758 ret
= wl_drm_create_buffer(wl_drm
, name
, width
, height
, stride
, fourcc
);
765 try_damage_buffer(struct dri2_egl_surface
*dri2_surf
,
769 if (wl_proxy_get_version((struct wl_proxy
*) dri2_surf
->wl_surface_wrapper
)
770 < WL_SURFACE_DAMAGE_BUFFER_SINCE_VERSION
)
773 for (int i
= 0; i
< n_rects
; i
++) {
774 const int *rect
= &rects
[i
* 4];
776 wl_surface_damage_buffer(dri2_surf
->wl_surface_wrapper
,
778 dri2_surf
->base
.Height
- rect
[1] - rect
[3],
784 * Called via eglSwapBuffers(), drv->API.SwapBuffers().
787 dri2_wl_swap_buffers_with_damage(_EGLDriver
*drv
,
793 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
794 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(draw
);
796 while (dri2_surf
->throttle_callback
!= NULL
)
797 if (wl_display_dispatch_queue(dri2_dpy
->wl_dpy
,
798 dri2_surf
->wl_queue
) == -1)
801 for (int i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++)
802 if (dri2_surf
->color_buffers
[i
].age
> 0)
803 dri2_surf
->color_buffers
[i
].age
++;
805 /* Make sure we have a back buffer in case we're swapping without ever
807 if (get_back_bo(dri2_surf
) < 0)
808 return _eglError(EGL_BAD_ALLOC
, "dri2_swap_buffers");
810 if (draw
->SwapInterval
> 0) {
811 dri2_surf
->throttle_callback
=
812 wl_surface_frame(dri2_surf
->wl_surface_wrapper
);
813 wl_callback_add_listener(dri2_surf
->throttle_callback
,
814 &throttle_listener
, dri2_surf
);
817 dri2_surf
->back
->age
= 1;
818 dri2_surf
->current
= dri2_surf
->back
;
819 dri2_surf
->back
= NULL
;
821 if (!dri2_surf
->current
->wl_buffer
) {
824 if (dri2_dpy
->is_different_gpu
)
825 image
= dri2_surf
->current
->linear_copy
;
827 image
= dri2_surf
->current
->dri_image
;
829 dri2_surf
->current
->wl_buffer
=
830 create_wl_buffer(dri2_dpy
, dri2_surf
, image
);
832 wl_buffer_add_listener(dri2_surf
->current
->wl_buffer
,
833 &wl_buffer_listener
, dri2_surf
);
836 wl_surface_attach(dri2_surf
->wl_surface_wrapper
,
837 dri2_surf
->current
->wl_buffer
,
838 dri2_surf
->dx
, dri2_surf
->dy
);
840 dri2_surf
->wl_win
->attached_width
= dri2_surf
->base
.Width
;
841 dri2_surf
->wl_win
->attached_height
= dri2_surf
->base
.Height
;
842 /* reset resize growing parameters */
846 /* If the compositor doesn't support damage_buffer, we deliberately
847 * ignore the damage region and post maximum damage, due to
848 * https://bugs.freedesktop.org/78190 */
849 if (!n_rects
|| !try_damage_buffer(dri2_surf
, rects
, n_rects
))
850 wl_surface_damage(dri2_surf
->wl_surface_wrapper
,
851 0, 0, INT32_MAX
, INT32_MAX
);
853 if (dri2_dpy
->is_different_gpu
) {
854 _EGLContext
*ctx
= _eglGetCurrentContext();
855 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
856 dri2_dpy
->image
->blitImage(dri2_ctx
->dri_context
,
857 dri2_surf
->current
->linear_copy
,
858 dri2_surf
->current
->dri_image
,
859 0, 0, dri2_surf
->base
.Width
,
860 dri2_surf
->base
.Height
,
861 0, 0, dri2_surf
->base
.Width
,
862 dri2_surf
->base
.Height
, 0);
865 dri2_flush_drawable_for_swapbuffers(disp
, draw
);
866 dri2_dpy
->flush
->invalidate(dri2_surf
->dri_drawable
);
868 wl_surface_commit(dri2_surf
->wl_surface_wrapper
);
870 /* If we're not waiting for a frame callback then we'll at least throttle
871 * to a sync callback so that we always give a chance for the compositor to
872 * handle the commit and send a release event before checking for a free
874 if (dri2_surf
->throttle_callback
== NULL
) {
875 dri2_surf
->throttle_callback
= wl_display_sync(dri2_surf
->wl_dpy_wrapper
);
876 wl_callback_add_listener(dri2_surf
->throttle_callback
,
877 &throttle_listener
, dri2_surf
);
880 wl_display_flush(dri2_dpy
->wl_dpy
);
886 dri2_wl_query_buffer_age(_EGLDriver
*drv
,
887 _EGLDisplay
*disp
, _EGLSurface
*surface
)
889 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surface
);
891 if (get_back_bo(dri2_surf
) < 0) {
892 _eglError(EGL_BAD_ALLOC
, "dri2_query_buffer_age");
896 return dri2_surf
->back
->age
;
900 dri2_wl_swap_buffers(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*draw
)
902 return dri2_wl_swap_buffers_with_damage(drv
, disp
, draw
, NULL
, 0);
905 static struct wl_buffer
*
906 dri2_wl_create_wayland_buffer_from_image(_EGLDriver
*drv
,
910 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
911 struct dri2_egl_image
*dri2_img
= dri2_egl_image(img
);
912 __DRIimage
*image
= dri2_img
->dri_image
;
913 struct wl_buffer
*buffer
;
916 dri2_dpy
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_FORMAT
, &format
);
918 case __DRI_IMAGE_FORMAT_ARGB8888
:
919 if (!(dri2_dpy
->formats
& HAS_ARGB8888
))
922 case __DRI_IMAGE_FORMAT_XRGB8888
:
923 if (!(dri2_dpy
->formats
& HAS_XRGB8888
))
930 buffer
= create_wl_buffer(dri2_dpy
, NULL
, image
);
932 /* The buffer object will have been created with our internal event queue
933 * because it is using wl_dmabuf/wl_drm as a proxy factory. We want the
934 * buffer to be used by the application so we'll reset it to the display's
935 * default event queue. This isn't actually racy, as the only event the
936 * buffer can get is a buffer release, which doesn't happen with an explicit
939 wl_proxy_set_queue((struct wl_proxy
*) buffer
, NULL
);
944 _eglError(EGL_BAD_MATCH
, "unsupported image format");
949 dri2_wl_authenticate(_EGLDisplay
*disp
, uint32_t id
)
951 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
954 if (dri2_dpy
->is_render_node
) {
955 _eglLog(_EGL_WARNING
, "wayland-egl: client asks server to "
956 "authenticate for render-nodes");
959 dri2_dpy
->authenticated
= false;
961 wl_drm_authenticate(dri2_dpy
->wl_drm
, id
);
962 if (roundtrip(dri2_dpy
) < 0)
965 if (!dri2_dpy
->authenticated
)
968 /* reset authenticated */
969 dri2_dpy
->authenticated
= true;
975 drm_handle_device(void *data
, struct wl_drm
*drm
, const char *device
)
977 struct dri2_egl_display
*dri2_dpy
= data
;
980 dri2_dpy
->device_name
= strdup(device
);
981 if (!dri2_dpy
->device_name
)
984 dri2_dpy
->fd
= loader_open_device(dri2_dpy
->device_name
);
985 if (dri2_dpy
->fd
== -1) {
986 _eglLog(_EGL_WARNING
, "wayland-egl: could not open %s (%s)",
987 dri2_dpy
->device_name
, strerror(errno
));
991 if (drmGetNodeTypeFromFd(dri2_dpy
->fd
) == DRM_NODE_RENDER
) {
992 dri2_dpy
->authenticated
= true;
994 drmGetMagic(dri2_dpy
->fd
, &magic
);
995 wl_drm_authenticate(dri2_dpy
->wl_drm
, magic
);
1000 drm_handle_format(void *data
, struct wl_drm
*drm
, uint32_t format
)
1002 struct dri2_egl_display
*dri2_dpy
= data
;
1005 case WL_DRM_FORMAT_ARGB8888
:
1006 dri2_dpy
->formats
|= HAS_ARGB8888
;
1008 case WL_DRM_FORMAT_XRGB8888
:
1009 dri2_dpy
->formats
|= HAS_XRGB8888
;
1011 case WL_DRM_FORMAT_RGB565
:
1012 dri2_dpy
->formats
|= HAS_RGB565
;
1018 drm_handle_capabilities(void *data
, struct wl_drm
*drm
, uint32_t value
)
1020 struct dri2_egl_display
*dri2_dpy
= data
;
1022 dri2_dpy
->capabilities
= value
;
1026 drm_handle_authenticated(void *data
, struct wl_drm
*drm
)
1028 struct dri2_egl_display
*dri2_dpy
= data
;
1030 dri2_dpy
->authenticated
= true;
1033 static const struct wl_drm_listener drm_listener
= {
1034 .device
= drm_handle_device
,
1035 .format
= drm_handle_format
,
1036 .authenticated
= drm_handle_authenticated
,
1037 .capabilities
= drm_handle_capabilities
1041 dmabuf_ignore_format(void *data
, struct zwp_linux_dmabuf_v1
*dmabuf
,
1044 /* formats are implicitly advertised by the 'modifier' event, so ignore */
1048 dmabuf_handle_modifier(void *data
, struct zwp_linux_dmabuf_v1
*dmabuf
,
1049 uint32_t format
, uint32_t modifier_hi
,
1050 uint32_t modifier_lo
)
1052 struct dri2_egl_display
*dri2_dpy
= data
;
1053 uint64_t *mod
= NULL
;
1055 if (modifier_hi
== (DRM_FORMAT_MOD_INVALID
>> 32) &&
1056 modifier_lo
== (DRM_FORMAT_MOD_INVALID
& 0xffffffff))
1060 case WL_DRM_FORMAT_ARGB8888
:
1061 mod
= u_vector_add(&dri2_dpy
->wl_modifiers
.argb8888
);
1062 dri2_dpy
->formats
|= HAS_ARGB8888
;
1064 case WL_DRM_FORMAT_XRGB8888
:
1065 mod
= u_vector_add(&dri2_dpy
->wl_modifiers
.xrgb8888
);
1066 dri2_dpy
->formats
|= HAS_XRGB8888
;
1068 case WL_DRM_FORMAT_RGB565
:
1069 mod
= u_vector_add(&dri2_dpy
->wl_modifiers
.rgb565
);
1070 dri2_dpy
->formats
|= HAS_RGB565
;
1079 *mod
= (uint64_t) modifier_hi
<< 32;
1080 *mod
|= (uint64_t) (modifier_lo
& 0xffffffff);
1083 static const struct zwp_linux_dmabuf_v1_listener dmabuf_listener
= {
1084 .format
= dmabuf_ignore_format
,
1085 .modifier
= dmabuf_handle_modifier
,
1089 registry_handle_global_drm(void *data
, struct wl_registry
*registry
,
1090 uint32_t name
, const char *interface
,
1093 struct dri2_egl_display
*dri2_dpy
= data
;
1095 if (strcmp(interface
, "wl_drm") == 0) {
1097 wl_registry_bind(registry
, name
, &wl_drm_interface
, MIN2(version
, 2));
1098 wl_drm_add_listener(dri2_dpy
->wl_drm
, &drm_listener
, dri2_dpy
);
1099 } else if (strcmp(interface
, "zwp_linux_dmabuf_v1") == 0 && version
>= 3) {
1100 dri2_dpy
->wl_dmabuf
=
1101 wl_registry_bind(registry
, name
, &zwp_linux_dmabuf_v1_interface
,
1103 zwp_linux_dmabuf_v1_add_listener(dri2_dpy
->wl_dmabuf
, &dmabuf_listener
,
1109 registry_handle_global_remove(void *data
, struct wl_registry
*registry
,
1114 static const struct wl_registry_listener registry_listener_drm
= {
1115 .global
= registry_handle_global_drm
,
1116 .global_remove
= registry_handle_global_remove
1120 dri2_wl_setup_swap_interval(_EGLDisplay
*disp
)
1122 /* We can't use values greater than 1 on Wayland because we are using the
1123 * frame callback to synchronise the frame and the only way we be sure to
1124 * get a frame callback is to attach a new buffer. Therefore we can't just
1125 * sit drawing nothing to wait until the next ‘n’ frame callbacks */
1127 dri2_setup_swap_interval(disp
, 1);
1130 static const struct dri2_egl_display_vtbl dri2_wl_display_vtbl
= {
1131 .authenticate
= dri2_wl_authenticate
,
1132 .create_window_surface
= dri2_wl_create_window_surface
,
1133 .create_pixmap_surface
= dri2_wl_create_pixmap_surface
,
1134 .create_pbuffer_surface
= dri2_fallback_create_pbuffer_surface
,
1135 .destroy_surface
= dri2_wl_destroy_surface
,
1136 .create_image
= dri2_create_image_khr
,
1137 .swap_buffers
= dri2_wl_swap_buffers
,
1138 .swap_buffers_with_damage
= dri2_wl_swap_buffers_with_damage
,
1139 .swap_buffers_region
= dri2_fallback_swap_buffers_region
,
1140 .set_damage_region
= dri2_fallback_set_damage_region
,
1141 .post_sub_buffer
= dri2_fallback_post_sub_buffer
,
1142 .copy_buffers
= dri2_fallback_copy_buffers
,
1143 .query_buffer_age
= dri2_wl_query_buffer_age
,
1144 .create_wayland_buffer_from_image
= dri2_wl_create_wayland_buffer_from_image
,
1145 .get_sync_values
= dri2_fallback_get_sync_values
,
1146 .get_dri_drawable
= dri2_surface_get_dri_drawable
,
1149 static const __DRIextension
*dri2_loader_extensions
[] = {
1150 &dri2_loader_extension
.base
,
1151 &image_loader_extension
.base
,
1152 &image_lookup_extension
.base
,
1153 &use_invalidate
.base
,
1157 static const __DRIextension
*image_loader_extensions
[] = {
1158 &image_loader_extension
.base
,
1159 &image_lookup_extension
.base
,
1160 &use_invalidate
.base
,
1165 dri2_wl_add_configs_for_visuals(_EGLDriver
*drv
, _EGLDisplay
*disp
)
1167 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1168 static const struct {
1169 const char *format_name
;
1171 unsigned int rgba_masks
[4];
1173 { "XRGB8888", HAS_XRGB8888
, { 0xff0000, 0xff00, 0x00ff, 0xff000000 } },
1174 { "ARGB8888", HAS_ARGB8888
, { 0xff0000, 0xff00, 0x00ff, 0 } },
1175 { "RGB565", HAS_RGB565
, { 0x00f800, 0x07e0, 0x001f, 0 } },
1177 unsigned int format_count
[ARRAY_SIZE(visuals
)] = { 0 };
1178 unsigned int count
= 0;
1180 for (unsigned i
= 0; dri2_dpy
->driver_configs
[i
]; i
++) {
1181 for (unsigned j
= 0; j
< ARRAY_SIZE(visuals
); j
++) {
1182 struct dri2_egl_config
*dri2_conf
;
1184 if (!(dri2_dpy
->formats
& visuals
[j
].has_format
))
1187 dri2_conf
= dri2_add_config(disp
, dri2_dpy
->driver_configs
[i
],
1188 count
+ 1, EGL_WINDOW_BIT
, NULL
, visuals
[j
].rgba_masks
);
1190 if (dri2_conf
->base
.ConfigID
== count
+ 1)
1197 for (unsigned i
= 0; i
< ARRAY_SIZE(format_count
); i
++) {
1198 if (!format_count
[i
]) {
1199 _eglLog(_EGL_DEBUG
, "No DRI config supports native format %s",
1200 visuals
[i
].format_name
);
1204 return (count
!= 0);
1208 dri2_initialize_wayland_drm(_EGLDriver
*drv
, _EGLDisplay
*disp
)
1210 struct dri2_egl_display
*dri2_dpy
;
1212 loader_set_logger(_eglLog
);
1214 dri2_dpy
= calloc(1, sizeof *dri2_dpy
);
1216 return _eglError(EGL_BAD_ALLOC
, "eglInitialize");
1219 disp
->DriverData
= (void *) dri2_dpy
;
1220 if (disp
->PlatformDisplay
== NULL
) {
1221 dri2_dpy
->wl_dpy
= wl_display_connect(NULL
);
1222 if (dri2_dpy
->wl_dpy
== NULL
)
1224 dri2_dpy
->own_device
= true;
1226 dri2_dpy
->wl_dpy
= disp
->PlatformDisplay
;
1229 if (!u_vector_init(&dri2_dpy
->wl_modifiers
.xrgb8888
, sizeof(uint64_t), 32) ||
1230 !u_vector_init(&dri2_dpy
->wl_modifiers
.argb8888
, sizeof(uint64_t), 32) ||
1231 !u_vector_init(&dri2_dpy
->wl_modifiers
.rgb565
, sizeof(uint64_t), 32)) {
1235 dri2_dpy
->wl_queue
= wl_display_create_queue(dri2_dpy
->wl_dpy
);
1237 dri2_dpy
->wl_dpy_wrapper
= wl_proxy_create_wrapper(dri2_dpy
->wl_dpy
);
1238 if (dri2_dpy
->wl_dpy_wrapper
== NULL
)
1241 wl_proxy_set_queue((struct wl_proxy
*) dri2_dpy
->wl_dpy_wrapper
,
1242 dri2_dpy
->wl_queue
);
1244 if (dri2_dpy
->own_device
)
1245 wl_display_dispatch_pending(dri2_dpy
->wl_dpy
);
1247 dri2_dpy
->wl_registry
= wl_display_get_registry(dri2_dpy
->wl_dpy_wrapper
);
1248 wl_registry_add_listener(dri2_dpy
->wl_registry
,
1249 ®istry_listener_drm
, dri2_dpy
);
1250 if (roundtrip(dri2_dpy
) < 0 || dri2_dpy
->wl_drm
== NULL
)
1253 if (roundtrip(dri2_dpy
) < 0 || dri2_dpy
->fd
== -1)
1256 if (roundtrip(dri2_dpy
) < 0 || !dri2_dpy
->authenticated
)
1259 dri2_dpy
->fd
= loader_get_user_preferred_fd(dri2_dpy
->fd
,
1260 &dri2_dpy
->is_different_gpu
);
1261 if (dri2_dpy
->is_different_gpu
) {
1262 free(dri2_dpy
->device_name
);
1263 dri2_dpy
->device_name
= loader_get_device_name_for_fd(dri2_dpy
->fd
);
1264 if (!dri2_dpy
->device_name
) {
1265 _eglError(EGL_BAD_ALLOC
, "wayland-egl: failed to get device name "
1266 "for requested GPU");
1271 /* we have to do the check now, because loader_get_user_preferred_fd
1272 * will return a render-node when the requested gpu is different
1273 * to the server, but also if the client asks for the same gpu than
1274 * the server by requesting its pci-id */
1275 dri2_dpy
->is_render_node
= drmGetNodeTypeFromFd(dri2_dpy
->fd
) == DRM_NODE_RENDER
;
1277 dri2_dpy
->driver_name
= loader_get_driver_for_fd(dri2_dpy
->fd
);
1278 if (dri2_dpy
->driver_name
== NULL
) {
1279 _eglError(EGL_BAD_ALLOC
, "DRI2: failed to get driver name");
1283 /* render nodes cannot use Gem names, and thus do not support
1284 * the __DRI_DRI2_LOADER extension */
1285 if (!dri2_dpy
->is_render_node
) {
1286 dri2_dpy
->loader_extensions
= dri2_loader_extensions
;
1287 if (!dri2_load_driver(disp
)) {
1288 _eglError(EGL_BAD_ALLOC
, "DRI2: failed to load driver");
1292 dri2_dpy
->loader_extensions
= image_loader_extensions
;
1293 if (!dri2_load_driver_dri3(disp
)) {
1294 _eglError(EGL_BAD_ALLOC
, "DRI3: failed to load driver");
1299 if (!dri2_create_screen(disp
))
1302 if (!dri2_setup_extensions(disp
))
1305 dri2_setup_screen(disp
);
1307 dri2_wl_setup_swap_interval(disp
);
1309 /* To use Prime, we must have _DRI_IMAGE v7 at least.
1310 * createImageFromFds support indicates that Prime export/import
1311 * is supported by the driver. Fall back to
1312 * gem names if we don't have Prime support. */
1314 if (dri2_dpy
->image
->base
.version
< 7 ||
1315 dri2_dpy
->image
->createImageFromFds
== NULL
)
1316 dri2_dpy
->capabilities
&= ~WL_DRM_CAPABILITY_PRIME
;
1318 /* We cannot use Gem names with render-nodes, only prime fds (dma-buf).
1319 * The server needs to accept them */
1320 if (dri2_dpy
->is_render_node
&&
1321 !(dri2_dpy
->capabilities
& WL_DRM_CAPABILITY_PRIME
)) {
1322 _eglLog(_EGL_WARNING
, "wayland-egl: display is not render-node capable");
1326 if (dri2_dpy
->is_different_gpu
&&
1327 (dri2_dpy
->image
->base
.version
< 9 ||
1328 dri2_dpy
->image
->blitImage
== NULL
)) {
1329 _eglLog(_EGL_WARNING
, "wayland-egl: Different GPU selected, but the "
1330 "Image extension in the driver is not "
1331 "compatible. Version 9 or later and blitImage() "
1336 if (!dri2_wl_add_configs_for_visuals(drv
, disp
)) {
1337 _eglError(EGL_NOT_INITIALIZED
, "DRI2: failed to add configs");
1341 dri2_set_WL_bind_wayland_display(drv
, disp
);
1342 /* When cannot convert EGLImage to wl_buffer when on a different gpu,
1343 * because the buffer of the EGLImage has likely a tiling mode the server
1344 * gpu won't support. These is no way to check for now. Thus do not support the
1346 if (!dri2_dpy
->is_different_gpu
)
1347 disp
->Extensions
.WL_create_wayland_buffer_from_image
= EGL_TRUE
;
1349 disp
->Extensions
.EXT_buffer_age
= EGL_TRUE
;
1351 disp
->Extensions
.EXT_swap_buffers_with_damage
= EGL_TRUE
;
1353 /* Fill vtbl last to prevent accidentally calling virtual function during
1356 dri2_dpy
->vtbl
= &dri2_wl_display_vtbl
;
1361 dri2_display_destroy(disp
);
1366 dri2_wl_swrast_get_stride_for_format(int format
, int w
)
1368 if (format
== WL_SHM_FORMAT_RGB565
)
1370 else /* ARGB8888 || XRGB8888 */
1375 * Taken from weston shared/os-compatibility.c
1378 #ifndef HAVE_MKOSTEMP
1381 set_cloexec_or_close(int fd
)
1388 flags
= fcntl(fd
, F_GETFD
);
1392 if (fcntl(fd
, F_SETFD
, flags
| FD_CLOEXEC
) == -1)
1405 * Taken from weston shared/os-compatibility.c
1409 create_tmpfile_cloexec(char *tmpname
)
1413 #ifdef HAVE_MKOSTEMP
1414 fd
= mkostemp(tmpname
, O_CLOEXEC
);
1418 fd
= mkstemp(tmpname
);
1420 fd
= set_cloexec_or_close(fd
);
1429 * Taken from weston shared/os-compatibility.c
1431 * Create a new, unique, anonymous file of the given size, and
1432 * return the file descriptor for it. The file descriptor is set
1433 * CLOEXEC. The file is immediately suitable for mmap()'ing
1434 * the given size at offset zero.
1436 * The file should not have a permanent backing store like a disk,
1437 * but may have if XDG_RUNTIME_DIR is not properly implemented in OS.
1439 * The file name is deleted from the file system.
1441 * The file is suitable for buffer sharing between processes by
1442 * transmitting the file descriptor over Unix sockets using the
1443 * SCM_RIGHTS methods.
1445 * If the C library implements posix_fallocate(), it is used to
1446 * guarantee that disk space is available for the file at the
1447 * given size. If disk space is insufficent, errno is set to ENOSPC.
1448 * If posix_fallocate() is not supported, program may receive
1449 * SIGBUS on accessing mmap()'ed file contents instead.
1452 os_create_anonymous_file(off_t size
)
1454 static const char templ
[] = "/mesa-shared-XXXXXX";
1460 path
= getenv("XDG_RUNTIME_DIR");
1466 name
= malloc(strlen(path
) + sizeof(templ
));
1471 strcat(name
, templ
);
1473 fd
= create_tmpfile_cloexec(name
);
1480 ret
= ftruncate(fd
, size
);
1491 dri2_wl_swrast_allocate_buffer(struct dri2_egl_surface
*dri2_surf
,
1492 int format
, int w
, int h
,
1493 void **data
, int *size
,
1494 struct wl_buffer
**buffer
)
1496 struct dri2_egl_display
*dri2_dpy
=
1497 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
1498 struct wl_shm_pool
*pool
;
1499 int fd
, stride
, size_map
;
1502 stride
= dri2_wl_swrast_get_stride_for_format(format
, w
);
1503 size_map
= h
* stride
;
1505 /* Create a sharable buffer */
1506 fd
= os_create_anonymous_file(size_map
);
1510 data_map
= mmap(NULL
, size_map
, PROT_READ
| PROT_WRITE
, MAP_SHARED
, fd
, 0);
1511 if (data_map
== MAP_FAILED
) {
1516 /* Share it in a wl_buffer */
1517 pool
= wl_shm_create_pool(dri2_dpy
->wl_shm
, fd
, size_map
);
1518 wl_proxy_set_queue((struct wl_proxy
*)pool
, dri2_surf
->wl_queue
);
1519 *buffer
= wl_shm_pool_create_buffer(pool
, 0, w
, h
, stride
, format
);
1520 wl_shm_pool_destroy(pool
);
1529 swrast_update_buffers(struct dri2_egl_surface
*dri2_surf
)
1531 struct dri2_egl_display
*dri2_dpy
=
1532 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
1534 /* we need to do the following operations only once per frame */
1535 if (dri2_surf
->back
)
1538 if (dri2_surf
->base
.Width
!= dri2_surf
->wl_win
->width
||
1539 dri2_surf
->base
.Height
!= dri2_surf
->wl_win
->height
) {
1541 dri2_wl_release_buffers(dri2_surf
);
1543 dri2_surf
->base
.Width
= dri2_surf
->wl_win
->width
;
1544 dri2_surf
->base
.Height
= dri2_surf
->wl_win
->height
;
1545 dri2_surf
->dx
= dri2_surf
->wl_win
->dx
;
1546 dri2_surf
->dy
= dri2_surf
->wl_win
->dy
;
1547 dri2_surf
->current
= NULL
;
1550 /* find back buffer */
1552 /* There might be a buffer release already queued that wasn't processed */
1553 wl_display_dispatch_queue_pending(dri2_dpy
->wl_dpy
, dri2_surf
->wl_queue
);
1555 /* try get free buffer already created */
1556 for (int i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++) {
1557 if (!dri2_surf
->color_buffers
[i
].locked
&&
1558 dri2_surf
->color_buffers
[i
].wl_buffer
) {
1559 dri2_surf
->back
= &dri2_surf
->color_buffers
[i
];
1564 /* else choose any another free location */
1565 if (!dri2_surf
->back
) {
1566 for (int i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++) {
1567 if (!dri2_surf
->color_buffers
[i
].locked
) {
1568 dri2_surf
->back
= &dri2_surf
->color_buffers
[i
];
1569 if (!dri2_wl_swrast_allocate_buffer(dri2_surf
,
1571 dri2_surf
->base
.Width
,
1572 dri2_surf
->base
.Height
,
1573 &dri2_surf
->back
->data
,
1574 &dri2_surf
->back
->data_size
,
1575 &dri2_surf
->back
->wl_buffer
)) {
1576 _eglError(EGL_BAD_ALLOC
, "failed to allocate color buffer");
1579 wl_buffer_add_listener(dri2_surf
->back
->wl_buffer
,
1580 &wl_buffer_listener
, dri2_surf
);
1586 if (!dri2_surf
->back
) {
1587 _eglError(EGL_BAD_ALLOC
, "failed to find free buffer");
1591 dri2_surf
->back
->locked
= true;
1593 /* If we have an extra unlocked buffer at this point, we had to do triple
1594 * buffering for a while, but now can go back to just double buffering.
1595 * That means we can free any unlocked buffer now. */
1596 for (int i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++) {
1597 if (!dri2_surf
->color_buffers
[i
].locked
&&
1598 dri2_surf
->color_buffers
[i
].wl_buffer
) {
1599 wl_buffer_destroy(dri2_surf
->color_buffers
[i
].wl_buffer
);
1600 munmap(dri2_surf
->color_buffers
[i
].data
,
1601 dri2_surf
->color_buffers
[i
].data_size
);
1602 dri2_surf
->color_buffers
[i
].wl_buffer
= NULL
;
1603 dri2_surf
->color_buffers
[i
].data
= NULL
;
1611 dri2_wl_swrast_get_frontbuffer_data(struct dri2_egl_surface
*dri2_surf
)
1613 /* if there has been a resize: */
1614 if (!dri2_surf
->current
)
1617 return dri2_surf
->current
->data
;
1621 dri2_wl_swrast_get_backbuffer_data(struct dri2_egl_surface
*dri2_surf
)
1623 assert(dri2_surf
->back
);
1624 return dri2_surf
->back
->data
;
1628 dri2_wl_swrast_commit_backbuffer(struct dri2_egl_surface
*dri2_surf
)
1630 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
1632 while (dri2_surf
->throttle_callback
!= NULL
)
1633 if (wl_display_dispatch_queue(dri2_dpy
->wl_dpy
,
1634 dri2_surf
->wl_queue
) == -1)
1637 if (dri2_surf
->base
.SwapInterval
> 0) {
1638 dri2_surf
->throttle_callback
=
1639 wl_surface_frame(dri2_surf
->wl_surface_wrapper
);
1640 wl_callback_add_listener(dri2_surf
->throttle_callback
,
1641 &throttle_listener
, dri2_surf
);
1644 dri2_surf
->current
= dri2_surf
->back
;
1645 dri2_surf
->back
= NULL
;
1647 wl_surface_attach(dri2_surf
->wl_surface_wrapper
,
1648 dri2_surf
->current
->wl_buffer
,
1649 dri2_surf
->dx
, dri2_surf
->dy
);
1651 dri2_surf
->wl_win
->attached_width
= dri2_surf
->base
.Width
;
1652 dri2_surf
->wl_win
->attached_height
= dri2_surf
->base
.Height
;
1653 /* reset resize growing parameters */
1657 wl_surface_damage(dri2_surf
->wl_surface_wrapper
,
1658 0, 0, INT32_MAX
, INT32_MAX
);
1659 wl_surface_commit(dri2_surf
->wl_surface_wrapper
);
1661 /* If we're not waiting for a frame callback then we'll at least throttle
1662 * to a sync callback so that we always give a chance for the compositor to
1663 * handle the commit and send a release event before checking for a free
1665 if (dri2_surf
->throttle_callback
== NULL
) {
1666 dri2_surf
->throttle_callback
= wl_display_sync(dri2_dpy
->wl_dpy_wrapper
);
1667 wl_callback_add_listener(dri2_surf
->throttle_callback
,
1668 &throttle_listener
, dri2_surf
);
1671 wl_display_flush(dri2_dpy
->wl_dpy
);
1675 dri2_wl_swrast_get_drawable_info(__DRIdrawable
* draw
,
1676 int *x
, int *y
, int *w
, int *h
,
1677 void *loaderPrivate
)
1679 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
1681 (void) swrast_update_buffers(dri2_surf
);
1684 *w
= dri2_surf
->base
.Width
;
1685 *h
= dri2_surf
->base
.Height
;
1689 dri2_wl_swrast_get_image(__DRIdrawable
* read
,
1690 int x
, int y
, int w
, int h
,
1691 char *data
, void *loaderPrivate
)
1693 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
1694 int copy_width
= dri2_wl_swrast_get_stride_for_format(dri2_surf
->format
, w
);
1695 int x_offset
= dri2_wl_swrast_get_stride_for_format(dri2_surf
->format
, x
);
1696 int src_stride
= dri2_wl_swrast_get_stride_for_format(dri2_surf
->format
, dri2_surf
->base
.Width
);
1697 int dst_stride
= copy_width
;
1700 src
= dri2_wl_swrast_get_frontbuffer_data(dri2_surf
);
1702 memset(data
, 0, copy_width
* h
);
1706 assert(data
!= src
);
1707 assert(copy_width
<= src_stride
);
1710 src
+= y
* src_stride
;
1713 if (copy_width
> src_stride
-x_offset
)
1714 copy_width
= src_stride
-x_offset
;
1715 if (h
> dri2_surf
->base
.Height
-y
)
1716 h
= dri2_surf
->base
.Height
-y
;
1719 memcpy(dst
, src
, copy_width
);
1726 dri2_wl_swrast_put_image2(__DRIdrawable
* draw
, int op
,
1727 int x
, int y
, int w
, int h
, int stride
,
1728 char *data
, void *loaderPrivate
)
1730 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
1731 int copy_width
= dri2_wl_swrast_get_stride_for_format(dri2_surf
->format
, w
);
1732 int dst_stride
= dri2_wl_swrast_get_stride_for_format(dri2_surf
->format
, dri2_surf
->base
.Width
);
1733 int x_offset
= dri2_wl_swrast_get_stride_for_format(dri2_surf
->format
, x
);
1736 assert(copy_width
<= stride
);
1738 (void) swrast_update_buffers(dri2_surf
);
1739 dst
= dri2_wl_swrast_get_backbuffer_data(dri2_surf
);
1741 /* partial copy, copy old content */
1742 if (copy_width
< dst_stride
)
1743 dri2_wl_swrast_get_image(draw
, 0, 0,
1744 dri2_surf
->base
.Width
, dri2_surf
->base
.Height
,
1745 dst
, loaderPrivate
);
1748 dst
+= y
* dst_stride
;
1752 /* drivers expect we do these checks (and some rely on it) */
1753 if (copy_width
> dst_stride
-x_offset
)
1754 copy_width
= dst_stride
-x_offset
;
1755 if (h
> dri2_surf
->base
.Height
-y
)
1756 h
= dri2_surf
->base
.Height
-y
;
1759 memcpy(dst
, src
, copy_width
);
1763 dri2_wl_swrast_commit_backbuffer(dri2_surf
);
1767 dri2_wl_swrast_put_image(__DRIdrawable
* draw
, int op
,
1768 int x
, int y
, int w
, int h
,
1769 char *data
, void *loaderPrivate
)
1771 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
1774 stride
= dri2_wl_swrast_get_stride_for_format(dri2_surf
->format
, w
);
1775 dri2_wl_swrast_put_image2(draw
, op
, x
, y
, w
, h
,
1776 stride
, data
, loaderPrivate
);
1780 dri2_wl_swrast_swap_buffers(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*draw
)
1782 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1783 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(draw
);
1785 dri2_dpy
->core
->swapBuffers(dri2_surf
->dri_drawable
);
1790 shm_handle_format(void *data
, struct wl_shm
*shm
, uint32_t format
)
1792 struct dri2_egl_display
*dri2_dpy
= data
;
1795 case WL_SHM_FORMAT_ARGB8888
:
1796 dri2_dpy
->formats
|= HAS_ARGB8888
;
1798 case WL_SHM_FORMAT_XRGB8888
:
1799 dri2_dpy
->formats
|= HAS_XRGB8888
;
1801 case WL_SHM_FORMAT_RGB565
:
1802 dri2_dpy
->formats
|= HAS_RGB565
;
1807 static const struct wl_shm_listener shm_listener
= {
1808 .format
= shm_handle_format
1812 registry_handle_global_swrast(void *data
, struct wl_registry
*registry
,
1813 uint32_t name
, const char *interface
,
1816 struct dri2_egl_display
*dri2_dpy
= data
;
1818 if (strcmp(interface
, "wl_shm") == 0) {
1820 wl_registry_bind(registry
, name
, &wl_shm_interface
, 1);
1821 wl_shm_add_listener(dri2_dpy
->wl_shm
, &shm_listener
, dri2_dpy
);
1825 static const struct wl_registry_listener registry_listener_swrast
= {
1826 .global
= registry_handle_global_swrast
,
1827 .global_remove
= registry_handle_global_remove
1830 static const struct dri2_egl_display_vtbl dri2_wl_swrast_display_vtbl
= {
1831 .authenticate
= NULL
,
1832 .create_window_surface
= dri2_wl_create_window_surface
,
1833 .create_pixmap_surface
= dri2_wl_create_pixmap_surface
,
1834 .create_pbuffer_surface
= dri2_fallback_create_pbuffer_surface
,
1835 .destroy_surface
= dri2_wl_destroy_surface
,
1836 .create_image
= dri2_create_image_khr
,
1837 .swap_buffers
= dri2_wl_swrast_swap_buffers
,
1838 .swap_buffers_with_damage
= dri2_fallback_swap_buffers_with_damage
,
1839 .swap_buffers_region
= dri2_fallback_swap_buffers_region
,
1840 .post_sub_buffer
= dri2_fallback_post_sub_buffer
,
1841 .copy_buffers
= dri2_fallback_copy_buffers
,
1842 .query_buffer_age
= dri2_fallback_query_buffer_age
,
1843 .create_wayland_buffer_from_image
= dri2_fallback_create_wayland_buffer_from_image
,
1844 .get_sync_values
= dri2_fallback_get_sync_values
,
1845 .get_dri_drawable
= dri2_surface_get_dri_drawable
,
1848 static const __DRIswrastLoaderExtension swrast_loader_extension
= {
1849 .base
= { __DRI_SWRAST_LOADER
, 2 },
1851 .getDrawableInfo
= dri2_wl_swrast_get_drawable_info
,
1852 .putImage
= dri2_wl_swrast_put_image
,
1853 .getImage
= dri2_wl_swrast_get_image
,
1854 .putImage2
= dri2_wl_swrast_put_image2
,
1857 static const __DRIextension
*swrast_loader_extensions
[] = {
1858 &swrast_loader_extension
.base
,
1859 &image_lookup_extension
.base
,
1864 dri2_initialize_wayland_swrast(_EGLDriver
*drv
, _EGLDisplay
*disp
)
1866 struct dri2_egl_display
*dri2_dpy
;
1868 loader_set_logger(_eglLog
);
1870 dri2_dpy
= calloc(1, sizeof *dri2_dpy
);
1872 return _eglError(EGL_BAD_ALLOC
, "eglInitialize");
1875 disp
->DriverData
= (void *) dri2_dpy
;
1876 if (disp
->PlatformDisplay
== NULL
) {
1877 dri2_dpy
->wl_dpy
= wl_display_connect(NULL
);
1878 if (dri2_dpy
->wl_dpy
== NULL
)
1880 dri2_dpy
->own_device
= true;
1882 dri2_dpy
->wl_dpy
= disp
->PlatformDisplay
;
1885 dri2_dpy
->wl_queue
= wl_display_create_queue(dri2_dpy
->wl_dpy
);
1887 dri2_dpy
->wl_dpy_wrapper
= wl_proxy_create_wrapper(dri2_dpy
->wl_dpy
);
1888 if (dri2_dpy
->wl_dpy_wrapper
== NULL
)
1891 wl_proxy_set_queue((struct wl_proxy
*) dri2_dpy
->wl_dpy_wrapper
,
1892 dri2_dpy
->wl_queue
);
1894 if (dri2_dpy
->own_device
)
1895 wl_display_dispatch_pending(dri2_dpy
->wl_dpy
);
1897 dri2_dpy
->wl_registry
= wl_display_get_registry(dri2_dpy
->wl_dpy_wrapper
);
1898 wl_registry_add_listener(dri2_dpy
->wl_registry
,
1899 ®istry_listener_swrast
, dri2_dpy
);
1901 if (roundtrip(dri2_dpy
) < 0 || dri2_dpy
->wl_shm
== NULL
)
1904 if (roundtrip(dri2_dpy
) < 0 || dri2_dpy
->formats
== 0)
1907 dri2_dpy
->driver_name
= strdup("swrast");
1908 if (!dri2_load_driver_swrast(disp
))
1911 dri2_dpy
->loader_extensions
= swrast_loader_extensions
;
1913 if (!dri2_create_screen(disp
))
1916 if (!dri2_setup_extensions(disp
))
1919 dri2_setup_screen(disp
);
1921 dri2_wl_setup_swap_interval(disp
);
1923 if (!dri2_wl_add_configs_for_visuals(drv
, disp
)) {
1924 _eglError(EGL_NOT_INITIALIZED
, "DRI2: failed to add configs");
1928 /* Fill vtbl last to prevent accidentally calling virtual function during
1931 dri2_dpy
->vtbl
= &dri2_wl_swrast_display_vtbl
;
1936 dri2_display_destroy(disp
);
1941 dri2_initialize_wayland(_EGLDriver
*drv
, _EGLDisplay
*disp
)
1943 EGLBoolean initialized
= EGL_FALSE
;
1945 if (!env_var_as_boolean("LIBGL_ALWAYS_SOFTWARE", false))
1946 initialized
= dri2_initialize_wayland_drm(drv
, disp
);
1949 initialized
= dri2_initialize_wayland_swrast(drv
, disp
);