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 sync_callback(void *data
, struct wl_callback
*callback
, uint32_t serial
)
64 wl_callback_destroy(callback
);
67 static const struct wl_callback_listener sync_listener
= {
72 roundtrip(struct dri2_egl_display
*dri2_dpy
)
74 struct wl_callback
*callback
;
75 int done
= 0, ret
= 0;
77 callback
= wl_display_sync(dri2_dpy
->wl_dpy
);
78 wl_callback_add_listener(callback
, &sync_listener
, &done
);
79 wl_proxy_set_queue((struct wl_proxy
*) callback
, dri2_dpy
->wl_queue
);
80 while (ret
!= -1 && !done
)
81 ret
= wl_display_dispatch_queue(dri2_dpy
->wl_dpy
, dri2_dpy
->wl_queue
);
84 wl_callback_destroy(callback
);
90 wl_buffer_release(void *data
, struct wl_buffer
*buffer
)
92 struct dri2_egl_surface
*dri2_surf
= data
;
95 for (i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); ++i
)
96 if (dri2_surf
->color_buffers
[i
].wl_buffer
== buffer
)
99 if (i
== ARRAY_SIZE(dri2_surf
->color_buffers
)) {
100 wl_buffer_destroy(buffer
);
104 dri2_surf
->color_buffers
[i
].locked
= 0;
107 static const struct wl_buffer_listener wl_buffer_listener
= {
108 .release
= wl_buffer_release
112 resize_callback(struct wl_egl_window
*wl_win
, void *data
)
114 struct dri2_egl_surface
*dri2_surf
= data
;
115 struct dri2_egl_display
*dri2_dpy
=
116 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
118 (*dri2_dpy
->flush
->invalidate
)(dri2_surf
->dri_drawable
);
122 * Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface().
125 dri2_wl_create_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
126 _EGLConfig
*conf
, void *native_window
,
127 const EGLint
*attrib_list
)
129 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
130 struct dri2_egl_config
*dri2_conf
= dri2_egl_config(conf
);
131 struct wl_egl_window
*window
= native_window
;
132 struct dri2_egl_surface
*dri2_surf
;
133 const __DRIconfig
*config
;
137 dri2_surf
= calloc(1, sizeof *dri2_surf
);
139 _eglError(EGL_BAD_ALLOC
, "dri2_create_surface");
143 if (!_eglInitSurface(&dri2_surf
->base
, disp
, EGL_WINDOW_BIT
, conf
, attrib_list
))
146 if (conf
->RedSize
== 5)
147 dri2_surf
->format
= WL_DRM_FORMAT_RGB565
;
148 else if (conf
->AlphaSize
== 0)
149 dri2_surf
->format
= WL_DRM_FORMAT_XRGB8888
;
151 dri2_surf
->format
= WL_DRM_FORMAT_ARGB8888
;
154 _eglError(EGL_BAD_NATIVE_WINDOW
, "dri2_create_surface");
158 dri2_surf
->wl_win
= window
;
160 dri2_surf
->wl_win
->private = dri2_surf
;
161 dri2_surf
->wl_win
->resize_callback
= resize_callback
;
163 dri2_surf
->base
.Width
= -1;
164 dri2_surf
->base
.Height
= -1;
166 config
= dri2_get_dri_config(dri2_conf
, EGL_WINDOW_BIT
,
167 dri2_surf
->base
.GLColorspace
);
169 dri2_surf
->dri_drawable
=
170 (*dri2_dpy
->dri2
->createNewDrawable
)(dri2_dpy
->dri_screen
, config
,
172 if (dri2_surf
->dri_drawable
== NULL
) {
173 _eglError(EGL_BAD_ALLOC
, "dri2->createNewDrawable");
177 return &dri2_surf
->base
;
186 * Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface().
189 dri2_wl_create_window_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
190 _EGLConfig
*conf
, void *native_window
,
191 const EGLint
*attrib_list
)
193 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
196 surf
= dri2_wl_create_surface(drv
, disp
, conf
, native_window
, attrib_list
);
199 dri2_wl_swap_interval(drv
, disp
, surf
, dri2_dpy
->default_swap_interval
);
205 dri2_wl_create_pixmap_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
206 _EGLConfig
*conf
, void *native_window
,
207 const EGLint
*attrib_list
)
209 /* From the EGL_EXT_platform_wayland spec, version 3:
211 * It is not valid to call eglCreatePlatformPixmapSurfaceEXT with a <dpy>
212 * that belongs to Wayland. Any such call fails and generates
215 _eglError(EGL_BAD_PARAMETER
, "cannot create EGL pixmap surfaces on "
221 * Called via eglDestroySurface(), drv->API.DestroySurface().
224 dri2_wl_destroy_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
)
226 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
227 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
232 if (!_eglPutSurface(surf
))
235 (*dri2_dpy
->core
->destroyDrawable
)(dri2_surf
->dri_drawable
);
237 for (i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++) {
238 if (dri2_surf
->color_buffers
[i
].wl_buffer
)
239 wl_buffer_destroy(dri2_surf
->color_buffers
[i
].wl_buffer
);
240 if (dri2_surf
->color_buffers
[i
].dri_image
)
241 dri2_dpy
->image
->destroyImage(dri2_surf
->color_buffers
[i
].dri_image
);
242 if (dri2_surf
->color_buffers
[i
].linear_copy
)
243 dri2_dpy
->image
->destroyImage(dri2_surf
->color_buffers
[i
].linear_copy
);
244 if (dri2_surf
->color_buffers
[i
].data
)
245 munmap(dri2_surf
->color_buffers
[i
].data
,
246 dri2_surf
->color_buffers
[i
].data_size
);
249 if (dri2_dpy
->dri2
) {
250 for (i
= 0; i
< __DRI_BUFFER_COUNT
; i
++)
251 if (dri2_surf
->dri_buffers
[i
] &&
252 dri2_surf
->dri_buffers
[i
]->attachment
!= __DRI_BUFFER_BACK_LEFT
)
253 dri2_dpy
->dri2
->releaseBuffer(dri2_dpy
->dri_screen
,
254 dri2_surf
->dri_buffers
[i
]);
257 if (dri2_surf
->throttle_callback
)
258 wl_callback_destroy(dri2_surf
->throttle_callback
);
260 dri2_surf
->wl_win
->private = NULL
;
261 dri2_surf
->wl_win
->resize_callback
= NULL
;
269 dri2_wl_release_buffers(struct dri2_egl_surface
*dri2_surf
)
271 struct dri2_egl_display
*dri2_dpy
=
272 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
275 for (i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++) {
276 if (dri2_surf
->color_buffers
[i
].wl_buffer
&&
277 !dri2_surf
->color_buffers
[i
].locked
)
278 wl_buffer_destroy(dri2_surf
->color_buffers
[i
].wl_buffer
);
279 if (dri2_surf
->color_buffers
[i
].dri_image
)
280 dri2_dpy
->image
->destroyImage(dri2_surf
->color_buffers
[i
].dri_image
);
281 if (dri2_surf
->color_buffers
[i
].linear_copy
)
282 dri2_dpy
->image
->destroyImage(dri2_surf
->color_buffers
[i
].linear_copy
);
283 if (dri2_surf
->color_buffers
[i
].data
)
284 munmap(dri2_surf
->color_buffers
[i
].data
,
285 dri2_surf
->color_buffers
[i
].data_size
);
287 dri2_surf
->color_buffers
[i
].wl_buffer
= NULL
;
288 dri2_surf
->color_buffers
[i
].dri_image
= NULL
;
289 dri2_surf
->color_buffers
[i
].linear_copy
= NULL
;
290 dri2_surf
->color_buffers
[i
].data
= NULL
;
291 dri2_surf
->color_buffers
[i
].locked
= 0;
294 if (dri2_dpy
->dri2
) {
295 for (i
= 0; i
< __DRI_BUFFER_COUNT
; i
++)
296 if (dri2_surf
->dri_buffers
[i
] &&
297 dri2_surf
->dri_buffers
[i
]->attachment
!= __DRI_BUFFER_BACK_LEFT
)
298 dri2_dpy
->dri2
->releaseBuffer(dri2_dpy
->dri_screen
,
299 dri2_surf
->dri_buffers
[i
]);
304 get_back_bo(struct dri2_egl_surface
*dri2_surf
)
306 struct dri2_egl_display
*dri2_dpy
=
307 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
309 unsigned int dri_image_format
;
311 /* currently supports three WL DRM formats,
312 * WL_DRM_FORMAT_ARGB8888, WL_DRM_FORMAT_XRGB8888,
313 * and WL_DRM_FORMAT_RGB565
315 switch (dri2_surf
->format
) {
316 case WL_DRM_FORMAT_ARGB8888
:
317 dri_image_format
= __DRI_IMAGE_FORMAT_ARGB8888
;
319 case WL_DRM_FORMAT_XRGB8888
:
320 dri_image_format
= __DRI_IMAGE_FORMAT_XRGB8888
;
322 case WL_DRM_FORMAT_RGB565
:
323 dri_image_format
= __DRI_IMAGE_FORMAT_RGB565
;
326 /* format is not supported */
330 /* We always want to throttle to some event (either a frame callback or
331 * a sync request) after the commit so that we can be sure the
332 * compositor has had a chance to handle it and send us a release event
333 * before we look for a free buffer */
334 while (dri2_surf
->throttle_callback
!= NULL
)
335 if (wl_display_dispatch_queue(dri2_dpy
->wl_dpy
,
336 dri2_dpy
->wl_queue
) == -1)
339 if (dri2_surf
->back
== NULL
) {
340 for (i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++) {
341 /* Get an unlocked buffer, preferrably one with a dri_buffer
342 * already allocated. */
343 if (dri2_surf
->color_buffers
[i
].locked
)
345 if (dri2_surf
->back
== NULL
)
346 dri2_surf
->back
= &dri2_surf
->color_buffers
[i
];
347 else if (dri2_surf
->back
->dri_image
== NULL
)
348 dri2_surf
->back
= &dri2_surf
->color_buffers
[i
];
352 if (dri2_surf
->back
== NULL
)
355 if (dri2_dpy
->is_different_gpu
&&
356 dri2_surf
->back
->linear_copy
== NULL
) {
357 dri2_surf
->back
->linear_copy
=
358 dri2_dpy
->image
->createImage(dri2_dpy
->dri_screen
,
359 dri2_surf
->base
.Width
,
360 dri2_surf
->base
.Height
,
362 __DRI_IMAGE_USE_SHARE
|
363 __DRI_IMAGE_USE_LINEAR
,
365 if (dri2_surf
->back
->linear_copy
== NULL
)
369 if (dri2_surf
->back
->dri_image
== NULL
) {
370 dri2_surf
->back
->dri_image
=
371 dri2_dpy
->image
->createImage(dri2_dpy
->dri_screen
,
372 dri2_surf
->base
.Width
,
373 dri2_surf
->base
.Height
,
375 dri2_dpy
->is_different_gpu
?
376 0 : __DRI_IMAGE_USE_SHARE
,
378 dri2_surf
->back
->age
= 0;
380 if (dri2_surf
->back
->dri_image
== NULL
)
383 dri2_surf
->back
->locked
= 1;
390 back_bo_to_dri_buffer(struct dri2_egl_surface
*dri2_surf
, __DRIbuffer
*buffer
)
392 struct dri2_egl_display
*dri2_dpy
=
393 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
397 image
= dri2_surf
->back
->dri_image
;
399 dri2_dpy
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_NAME
, &name
);
400 dri2_dpy
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_STRIDE
, &pitch
);
402 buffer
->attachment
= __DRI_BUFFER_BACK_LEFT
;
404 buffer
->pitch
= pitch
;
410 get_aux_bo(struct dri2_egl_surface
*dri2_surf
,
411 unsigned int attachment
, unsigned int format
, __DRIbuffer
*buffer
)
413 struct dri2_egl_display
*dri2_dpy
=
414 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
415 __DRIbuffer
*b
= dri2_surf
->dri_buffers
[attachment
];
418 b
= dri2_dpy
->dri2
->allocateBuffer(dri2_dpy
->dri_screen
,
420 dri2_surf
->base
.Width
,
421 dri2_surf
->base
.Height
);
422 dri2_surf
->dri_buffers
[attachment
] = b
;
427 memcpy(buffer
, b
, sizeof *buffer
);
433 update_buffers(struct dri2_egl_surface
*dri2_surf
)
435 struct dri2_egl_display
*dri2_dpy
=
436 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
439 if (dri2_surf
->base
.Width
!= dri2_surf
->wl_win
->width
||
440 dri2_surf
->base
.Height
!= dri2_surf
->wl_win
->height
) {
442 dri2_wl_release_buffers(dri2_surf
);
444 dri2_surf
->base
.Width
= dri2_surf
->wl_win
->width
;
445 dri2_surf
->base
.Height
= dri2_surf
->wl_win
->height
;
446 dri2_surf
->dx
= dri2_surf
->wl_win
->dx
;
447 dri2_surf
->dy
= dri2_surf
->wl_win
->dy
;
450 if (get_back_bo(dri2_surf
) < 0) {
451 _eglError(EGL_BAD_ALLOC
, "failed to allocate color buffer");
455 /* If we have an extra unlocked buffer at this point, we had to do triple
456 * buffering for a while, but now can go back to just double buffering.
457 * That means we can free any unlocked buffer now. */
458 for (i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++) {
459 if (!dri2_surf
->color_buffers
[i
].locked
&&
460 dri2_surf
->color_buffers
[i
].wl_buffer
) {
461 wl_buffer_destroy(dri2_surf
->color_buffers
[i
].wl_buffer
);
462 dri2_dpy
->image
->destroyImage(dri2_surf
->color_buffers
[i
].dri_image
);
463 if (dri2_dpy
->is_different_gpu
)
464 dri2_dpy
->image
->destroyImage(dri2_surf
->color_buffers
[i
].linear_copy
);
465 dri2_surf
->color_buffers
[i
].wl_buffer
= NULL
;
466 dri2_surf
->color_buffers
[i
].dri_image
= NULL
;
467 dri2_surf
->color_buffers
[i
].linear_copy
= NULL
;
475 dri2_wl_get_buffers_with_format(__DRIdrawable
* driDrawable
,
476 int *width
, int *height
,
477 unsigned int *attachments
, int count
,
478 int *out_count
, void *loaderPrivate
)
480 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
483 if (update_buffers(dri2_surf
) < 0)
486 for (i
= 0, j
= 0; i
< 2 * count
; i
+= 2, j
++) {
487 switch (attachments
[i
]) {
488 case __DRI_BUFFER_BACK_LEFT
:
489 back_bo_to_dri_buffer(dri2_surf
, &dri2_surf
->buffers
[j
]);
492 if (get_aux_bo(dri2_surf
, attachments
[i
], attachments
[i
+ 1],
493 &dri2_surf
->buffers
[j
]) < 0) {
494 _eglError(EGL_BAD_ALLOC
, "failed to allocate aux buffer");
505 *width
= dri2_surf
->base
.Width
;
506 *height
= dri2_surf
->base
.Height
;
508 return dri2_surf
->buffers
;
512 dri2_wl_get_buffers(__DRIdrawable
* driDrawable
,
513 int *width
, int *height
,
514 unsigned int *attachments
, int count
,
515 int *out_count
, void *loaderPrivate
)
517 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
518 unsigned int *attachments_with_format
;
524 switch (dri2_surf
->format
) {
525 case WL_DRM_FORMAT_ARGB8888
:
526 case WL_DRM_FORMAT_XRGB8888
:
529 case WL_DRM_FORMAT_RGB565
:
533 /* format is not supported */
537 attachments_with_format
= calloc(count
, 2 * sizeof(unsigned int));
538 if (!attachments_with_format
) {
543 for (i
= 0; i
< count
; ++i
) {
544 attachments_with_format
[2*i
] = attachments
[i
];
545 attachments_with_format
[2*i
+ 1] = bpp
;
549 dri2_wl_get_buffers_with_format(driDrawable
,
551 attachments_with_format
, count
,
552 out_count
, loaderPrivate
);
554 free(attachments_with_format
);
560 image_get_buffers(__DRIdrawable
*driDrawable
,
564 uint32_t buffer_mask
,
565 struct __DRIimageList
*buffers
)
567 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
569 if (update_buffers(dri2_surf
) < 0)
572 buffers
->image_mask
= __DRI_IMAGE_BUFFER_BACK
;
573 buffers
->back
= dri2_surf
->back
->dri_image
;
579 dri2_wl_flush_front_buffer(__DRIdrawable
* driDrawable
, void *loaderPrivate
)
582 (void) loaderPrivate
;
585 static const __DRIimageLoaderExtension image_loader_extension
= {
586 .base
= { __DRI_IMAGE_LOADER
, 1 },
588 .getBuffers
= image_get_buffers
,
589 .flushFrontBuffer
= dri2_wl_flush_front_buffer
,
593 wayland_throttle_callback(void *data
,
594 struct wl_callback
*callback
,
597 struct dri2_egl_surface
*dri2_surf
= data
;
599 dri2_surf
->throttle_callback
= NULL
;
600 wl_callback_destroy(callback
);
603 static const struct wl_callback_listener throttle_listener
= {
604 .done
= wayland_throttle_callback
608 create_wl_buffer(struct dri2_egl_surface
*dri2_surf
)
610 struct dri2_egl_display
*dri2_dpy
=
611 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
613 int fd
, stride
, name
;
615 if (dri2_surf
->current
->wl_buffer
!= NULL
)
618 if (dri2_dpy
->is_different_gpu
) {
619 image
= dri2_surf
->current
->linear_copy
;
621 image
= dri2_surf
->current
->dri_image
;
623 if (dri2_dpy
->capabilities
& WL_DRM_CAPABILITY_PRIME
) {
624 dri2_dpy
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_FD
, &fd
);
625 dri2_dpy
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_STRIDE
, &stride
);
627 dri2_surf
->current
->wl_buffer
=
628 wl_drm_create_prime_buffer(dri2_dpy
->wl_drm
,
630 dri2_surf
->base
.Width
,
631 dri2_surf
->base
.Height
,
638 dri2_dpy
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_NAME
, &name
);
639 dri2_dpy
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_STRIDE
, &stride
);
641 dri2_surf
->current
->wl_buffer
=
642 wl_drm_create_buffer(dri2_dpy
->wl_drm
,
644 dri2_surf
->base
.Width
,
645 dri2_surf
->base
.Height
,
650 wl_proxy_set_queue((struct wl_proxy
*) dri2_surf
->current
->wl_buffer
,
652 wl_buffer_add_listener(dri2_surf
->current
->wl_buffer
,
653 &wl_buffer_listener
, dri2_surf
);
657 * Called via eglSwapBuffers(), drv->API.SwapBuffers().
660 dri2_wl_swap_buffers_with_damage(_EGLDriver
*drv
,
666 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
667 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(draw
);
670 for (i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++)
671 if (dri2_surf
->color_buffers
[i
].age
> 0)
672 dri2_surf
->color_buffers
[i
].age
++;
674 /* Make sure we have a back buffer in case we're swapping without ever
676 if (get_back_bo(dri2_surf
) < 0) {
677 _eglError(EGL_BAD_ALLOC
, "dri2_swap_buffers");
681 if (draw
->SwapInterval
> 0) {
682 dri2_surf
->throttle_callback
=
683 wl_surface_frame(dri2_surf
->wl_win
->surface
);
684 wl_callback_add_listener(dri2_surf
->throttle_callback
,
685 &throttle_listener
, dri2_surf
);
686 wl_proxy_set_queue((struct wl_proxy
*) dri2_surf
->throttle_callback
,
690 dri2_surf
->back
->age
= 1;
691 dri2_surf
->current
= dri2_surf
->back
;
692 dri2_surf
->back
= NULL
;
694 create_wl_buffer(dri2_surf
);
696 wl_surface_attach(dri2_surf
->wl_win
->surface
,
697 dri2_surf
->current
->wl_buffer
,
698 dri2_surf
->dx
, dri2_surf
->dy
);
700 dri2_surf
->wl_win
->attached_width
= dri2_surf
->base
.Width
;
701 dri2_surf
->wl_win
->attached_height
= dri2_surf
->base
.Height
;
702 /* reset resize growing parameters */
707 wl_surface_damage(dri2_surf
->wl_win
->surface
,
708 0, 0, INT32_MAX
, INT32_MAX
);
710 for (i
= 0; i
< n_rects
; i
++) {
711 const int *rect
= &rects
[i
* 4];
712 wl_surface_damage(dri2_surf
->wl_win
->surface
,
714 dri2_surf
->base
.Height
- rect
[1] - rect
[3],
719 if (dri2_dpy
->is_different_gpu
) {
720 _EGLContext
*ctx
= _eglGetCurrentContext();
721 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
722 dri2_dpy
->image
->blitImage(dri2_ctx
->dri_context
,
723 dri2_surf
->current
->linear_copy
,
724 dri2_surf
->current
->dri_image
,
725 0, 0, dri2_surf
->base
.Width
,
726 dri2_surf
->base
.Height
,
727 0, 0, dri2_surf
->base
.Width
,
728 dri2_surf
->base
.Height
, 0);
731 dri2_flush_drawable_for_swapbuffers(disp
, draw
);
732 (*dri2_dpy
->flush
->invalidate
)(dri2_surf
->dri_drawable
);
734 wl_surface_commit(dri2_surf
->wl_win
->surface
);
736 /* If we're not waiting for a frame callback then we'll at least throttle
737 * to a sync callback so that we always give a chance for the compositor to
738 * handle the commit and send a release event before checking for a free
740 if (dri2_surf
->throttle_callback
== NULL
) {
741 dri2_surf
->throttle_callback
= wl_display_sync(dri2_dpy
->wl_dpy
);
742 wl_callback_add_listener(dri2_surf
->throttle_callback
,
743 &throttle_listener
, dri2_surf
);
744 wl_proxy_set_queue((struct wl_proxy
*) dri2_surf
->throttle_callback
,
748 wl_display_flush(dri2_dpy
->wl_dpy
);
754 dri2_wl_query_buffer_age(_EGLDriver
*drv
,
755 _EGLDisplay
*disp
, _EGLSurface
*surface
)
757 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surface
);
759 if (get_back_bo(dri2_surf
) < 0) {
760 _eglError(EGL_BAD_ALLOC
, "dri2_query_buffer_age");
764 return dri2_surf
->back
->age
;
768 dri2_wl_swap_buffers(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*draw
)
770 return dri2_wl_swap_buffers_with_damage (drv
, disp
, draw
, NULL
, 0);
773 static struct wl_buffer
*
774 dri2_wl_create_wayland_buffer_from_image(_EGLDriver
*drv
,
778 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
779 struct dri2_egl_image
*dri2_img
= dri2_egl_image(img
);
780 __DRIimage
*image
= dri2_img
->dri_image
;
781 struct wl_buffer
*buffer
;
782 int width
, height
, format
, pitch
;
783 enum wl_drm_format wl_format
;
785 dri2_dpy
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_FORMAT
, &format
);
788 case __DRI_IMAGE_FORMAT_ARGB8888
:
789 if (!(dri2_dpy
->formats
& HAS_ARGB8888
))
791 wl_format
= WL_DRM_FORMAT_ARGB8888
;
793 case __DRI_IMAGE_FORMAT_XRGB8888
:
794 if (!(dri2_dpy
->formats
& HAS_XRGB8888
))
796 wl_format
= WL_DRM_FORMAT_XRGB8888
;
802 dri2_dpy
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_WIDTH
, &width
);
803 dri2_dpy
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_HEIGHT
, &height
);
804 dri2_dpy
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_STRIDE
, &pitch
);
806 if (dri2_dpy
->capabilities
& WL_DRM_CAPABILITY_PRIME
) {
809 dri2_dpy
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_FD
, &fd
);
812 wl_drm_create_prime_buffer(dri2_dpy
->wl_drm
,
824 dri2_dpy
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_NAME
, &name
);
827 wl_drm_create_buffer(dri2_dpy
->wl_drm
,
834 /* The buffer object will have been created with our internal event queue
835 * because it is using the wl_drm object as a proxy factory. We want the
836 * buffer to be used by the application so we'll reset it to the display's
837 * default event queue */
839 wl_proxy_set_queue((struct wl_proxy
*) buffer
, NULL
);
844 _eglError(EGL_BAD_MATCH
, "unsupported image format");
849 dri2_wl_authenticate(_EGLDisplay
*disp
, uint32_t id
)
851 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
854 if (dri2_dpy
->is_render_node
) {
855 _eglLog(_EGL_WARNING
, "wayland-egl: client asks server to "
856 "authenticate for render-nodes");
859 dri2_dpy
->authenticated
= 0;
861 wl_drm_authenticate(dri2_dpy
->wl_drm
, id
);
862 if (roundtrip(dri2_dpy
) < 0)
865 if (!dri2_dpy
->authenticated
)
868 /* reset authenticated */
869 dri2_dpy
->authenticated
= 1;
875 drm_handle_device(void *data
, struct wl_drm
*drm
, const char *device
)
877 struct dri2_egl_display
*dri2_dpy
= data
;
880 dri2_dpy
->device_name
= strdup(device
);
881 if (!dri2_dpy
->device_name
)
884 dri2_dpy
->fd
= loader_open_device(dri2_dpy
->device_name
);
885 if (dri2_dpy
->fd
== -1) {
886 _eglLog(_EGL_WARNING
, "wayland-egl: could not open %s (%s)",
887 dri2_dpy
->device_name
, strerror(errno
));
891 if (drmGetNodeTypeFromFd(dri2_dpy
->fd
) == DRM_NODE_RENDER
) {
892 dri2_dpy
->authenticated
= 1;
894 drmGetMagic(dri2_dpy
->fd
, &magic
);
895 wl_drm_authenticate(dri2_dpy
->wl_drm
, magic
);
900 drm_handle_format(void *data
, struct wl_drm
*drm
, uint32_t format
)
902 struct dri2_egl_display
*dri2_dpy
= data
;
905 case WL_DRM_FORMAT_ARGB8888
:
906 dri2_dpy
->formats
|= HAS_ARGB8888
;
908 case WL_DRM_FORMAT_XRGB8888
:
909 dri2_dpy
->formats
|= HAS_XRGB8888
;
911 case WL_DRM_FORMAT_RGB565
:
912 dri2_dpy
->formats
|= HAS_RGB565
;
918 drm_handle_capabilities(void *data
, struct wl_drm
*drm
, uint32_t value
)
920 struct dri2_egl_display
*dri2_dpy
= data
;
922 dri2_dpy
->capabilities
= value
;
926 drm_handle_authenticated(void *data
, struct wl_drm
*drm
)
928 struct dri2_egl_display
*dri2_dpy
= data
;
930 dri2_dpy
->authenticated
= 1;
933 static const struct wl_drm_listener drm_listener
= {
934 .device
= drm_handle_device
,
935 .format
= drm_handle_format
,
936 .authenticated
= drm_handle_authenticated
,
937 .capabilities
= drm_handle_capabilities
941 registry_handle_global_drm(void *data
, struct wl_registry
*registry
, uint32_t name
,
942 const char *interface
, uint32_t version
)
944 struct dri2_egl_display
*dri2_dpy
= data
;
948 if (strcmp(interface
, "wl_drm") == 0) {
950 wl_registry_bind(registry
, name
, &wl_drm_interface
, version
);
951 wl_drm_add_listener(dri2_dpy
->wl_drm
, &drm_listener
, dri2_dpy
);
956 registry_handle_global_remove(void *data
, struct wl_registry
*registry
,
961 static const struct wl_registry_listener registry_listener_drm
= {
962 .global
= registry_handle_global_drm
,
963 .global_remove
= registry_handle_global_remove
967 dri2_wl_swap_interval(_EGLDriver
*drv
,
972 if (interval
> surf
->Config
->MaxSwapInterval
)
973 interval
= surf
->Config
->MaxSwapInterval
;
974 else if (interval
< surf
->Config
->MinSwapInterval
)
975 interval
= surf
->Config
->MinSwapInterval
;
977 surf
->SwapInterval
= interval
;
983 dri2_wl_setup_swap_interval(struct dri2_egl_display
*dri2_dpy
)
985 GLint vblank_mode
= DRI_CONF_VBLANK_DEF_INTERVAL_1
;
987 /* We can't use values greater than 1 on Wayland because we are using the
988 * frame callback to synchronise the frame and the only way we be sure to
989 * get a frame callback is to attach a new buffer. Therefore we can't just
990 * sit drawing nothing to wait until the next ‘n’ frame callbacks */
992 if (dri2_dpy
->config
)
993 dri2_dpy
->config
->configQueryi(dri2_dpy
->dri_screen
,
994 "vblank_mode", &vblank_mode
);
995 switch (vblank_mode
) {
996 case DRI_CONF_VBLANK_NEVER
:
997 dri2_dpy
->min_swap_interval
= 0;
998 dri2_dpy
->max_swap_interval
= 0;
999 dri2_dpy
->default_swap_interval
= 0;
1001 case DRI_CONF_VBLANK_ALWAYS_SYNC
:
1002 dri2_dpy
->min_swap_interval
= 1;
1003 dri2_dpy
->max_swap_interval
= 1;
1004 dri2_dpy
->default_swap_interval
= 1;
1006 case DRI_CONF_VBLANK_DEF_INTERVAL_0
:
1007 dri2_dpy
->min_swap_interval
= 0;
1008 dri2_dpy
->max_swap_interval
= 1;
1009 dri2_dpy
->default_swap_interval
= 0;
1012 case DRI_CONF_VBLANK_DEF_INTERVAL_1
:
1013 dri2_dpy
->min_swap_interval
= 0;
1014 dri2_dpy
->max_swap_interval
= 1;
1015 dri2_dpy
->default_swap_interval
= 1;
1020 static struct dri2_egl_display_vtbl dri2_wl_display_vtbl
= {
1021 .authenticate
= dri2_wl_authenticate
,
1022 .create_window_surface
= dri2_wl_create_window_surface
,
1023 .create_pixmap_surface
= dri2_wl_create_pixmap_surface
,
1024 .create_pbuffer_surface
= dri2_fallback_create_pbuffer_surface
,
1025 .destroy_surface
= dri2_wl_destroy_surface
,
1026 .create_image
= dri2_create_image_khr
,
1027 .swap_interval
= dri2_wl_swap_interval
,
1028 .swap_buffers
= dri2_wl_swap_buffers
,
1029 .swap_buffers_with_damage
= dri2_wl_swap_buffers_with_damage
,
1030 .swap_buffers_region
= dri2_fallback_swap_buffers_region
,
1031 .post_sub_buffer
= dri2_fallback_post_sub_buffer
,
1032 .copy_buffers
= dri2_fallback_copy_buffers
,
1033 .query_buffer_age
= dri2_wl_query_buffer_age
,
1034 .create_wayland_buffer_from_image
= dri2_wl_create_wayland_buffer_from_image
,
1035 .get_sync_values
= dri2_fallback_get_sync_values
,
1039 dri2_initialize_wayland_drm(_EGLDriver
*drv
, _EGLDisplay
*disp
)
1041 struct dri2_egl_display
*dri2_dpy
;
1042 const __DRIconfig
*config
;
1045 static const unsigned int argb_masks
[4] =
1046 { 0xff0000, 0xff00, 0xff, 0xff000000 };
1047 static const unsigned int rgb_masks
[4] = { 0xff0000, 0xff00, 0xff, 0 };
1048 static const unsigned int rgb565_masks
[4] = { 0xf800, 0x07e0, 0x001f, 0 };
1050 loader_set_logger(_eglLog
);
1052 dri2_dpy
= calloc(1, sizeof *dri2_dpy
);
1054 return _eglError(EGL_BAD_ALLOC
, "eglInitialize");
1056 disp
->DriverData
= (void *) dri2_dpy
;
1057 if (disp
->PlatformDisplay
== NULL
) {
1058 dri2_dpy
->wl_dpy
= wl_display_connect(NULL
);
1059 if (dri2_dpy
->wl_dpy
== NULL
)
1061 dri2_dpy
->own_device
= 1;
1063 dri2_dpy
->wl_dpy
= disp
->PlatformDisplay
;
1066 dri2_dpy
->wl_queue
= wl_display_create_queue(dri2_dpy
->wl_dpy
);
1068 if (dri2_dpy
->own_device
)
1069 wl_display_dispatch_pending(dri2_dpy
->wl_dpy
);
1071 dri2_dpy
->wl_registry
= wl_display_get_registry(dri2_dpy
->wl_dpy
);
1072 wl_proxy_set_queue((struct wl_proxy
*) dri2_dpy
->wl_registry
,
1073 dri2_dpy
->wl_queue
);
1074 wl_registry_add_listener(dri2_dpy
->wl_registry
,
1075 ®istry_listener_drm
, dri2_dpy
);
1076 if (roundtrip(dri2_dpy
) < 0 || dri2_dpy
->wl_drm
== NULL
)
1077 goto cleanup_registry
;
1079 if (roundtrip(dri2_dpy
) < 0 || dri2_dpy
->fd
== -1)
1082 if (roundtrip(dri2_dpy
) < 0 || !dri2_dpy
->authenticated
)
1085 dri2_dpy
->fd
= loader_get_user_preferred_fd(dri2_dpy
->fd
,
1086 &dri2_dpy
->is_different_gpu
);
1087 if (dri2_dpy
->is_different_gpu
) {
1088 free(dri2_dpy
->device_name
);
1089 dri2_dpy
->device_name
= loader_get_device_name_for_fd(dri2_dpy
->fd
);
1090 if (!dri2_dpy
->device_name
) {
1091 _eglError(EGL_BAD_ALLOC
, "wayland-egl: failed to get device name "
1092 "for requested GPU");
1097 /* we have to do the check now, because loader_get_user_preferred_fd
1098 * will return a render-node when the requested gpu is different
1099 * to the server, but also if the client asks for the same gpu than
1100 * the server by requesting its pci-id */
1101 dri2_dpy
->is_render_node
= drmGetNodeTypeFromFd(dri2_dpy
->fd
) == DRM_NODE_RENDER
;
1103 dri2_dpy
->driver_name
= loader_get_driver_for_fd(dri2_dpy
->fd
, 0);
1104 if (dri2_dpy
->driver_name
== NULL
) {
1105 _eglError(EGL_BAD_ALLOC
, "DRI2: failed to get driver name");
1109 if (!dri2_load_driver(disp
))
1110 goto cleanup_driver_name
;
1112 dri2_dpy
->extensions
[0] = &image_loader_extension
.base
;
1113 dri2_dpy
->extensions
[1] = &image_lookup_extension
.base
;
1114 dri2_dpy
->extensions
[2] = &use_invalidate
.base
;
1116 /* render nodes cannot use Gem names, and thus do not support
1117 * the __DRI_DRI2_LOADER extension */
1118 if (!dri2_dpy
->is_render_node
) {
1119 dri2_dpy
->dri2_loader_extension
.base
.name
= __DRI_DRI2_LOADER
;
1120 dri2_dpy
->dri2_loader_extension
.base
.version
= 3;
1121 dri2_dpy
->dri2_loader_extension
.getBuffers
= dri2_wl_get_buffers
;
1122 dri2_dpy
->dri2_loader_extension
.flushFrontBuffer
= dri2_wl_flush_front_buffer
;
1123 dri2_dpy
->dri2_loader_extension
.getBuffersWithFormat
=
1124 dri2_wl_get_buffers_with_format
;
1125 dri2_dpy
->extensions
[3] = &dri2_dpy
->dri2_loader_extension
.base
;
1126 dri2_dpy
->extensions
[4] = NULL
;
1128 dri2_dpy
->extensions
[3] = NULL
;
1130 dri2_dpy
->swap_available
= EGL_TRUE
;
1132 if (!dri2_create_screen(disp
))
1133 goto cleanup_driver
;
1135 dri2_wl_setup_swap_interval(dri2_dpy
);
1137 /* To use Prime, we must have _DRI_IMAGE v7 at least.
1138 * createImageFromFds support indicates that Prime export/import
1139 * is supported by the driver. Fall back to
1140 * gem names if we don't have Prime support. */
1142 if (dri2_dpy
->image
->base
.version
< 7 ||
1143 dri2_dpy
->image
->createImageFromFds
== NULL
)
1144 dri2_dpy
->capabilities
&= ~WL_DRM_CAPABILITY_PRIME
;
1146 /* We cannot use Gem names with render-nodes, only prime fds (dma-buf).
1147 * The server needs to accept them */
1148 if (dri2_dpy
->is_render_node
&&
1149 !(dri2_dpy
->capabilities
& WL_DRM_CAPABILITY_PRIME
)) {
1150 _eglLog(_EGL_WARNING
, "wayland-egl: display is not render-node capable");
1151 goto cleanup_screen
;
1154 if (dri2_dpy
->is_different_gpu
&&
1155 (dri2_dpy
->image
->base
.version
< 9 ||
1156 dri2_dpy
->image
->blitImage
== NULL
)) {
1157 _eglLog(_EGL_WARNING
, "wayland-egl: Different GPU selected, but the "
1158 "Image extension in the driver is not "
1159 "compatible. Version 9 or later and blitImage() "
1161 goto cleanup_screen
;
1164 types
= EGL_WINDOW_BIT
;
1165 for (i
= 0; dri2_dpy
->driver_configs
[i
]; i
++) {
1166 config
= dri2_dpy
->driver_configs
[i
];
1167 if (dri2_dpy
->formats
& HAS_XRGB8888
)
1168 dri2_add_config(disp
, config
, i
+ 1, types
, NULL
, rgb_masks
);
1169 if (dri2_dpy
->formats
& HAS_ARGB8888
)
1170 dri2_add_config(disp
, config
, i
+ 1, types
, NULL
, argb_masks
);
1171 if (dri2_dpy
->formats
& HAS_RGB565
)
1172 dri2_add_config(disp
, config
, i
+ 1, types
, NULL
, rgb565_masks
);
1175 disp
->Extensions
.WL_bind_wayland_display
= EGL_TRUE
;
1176 /* When cannot convert EGLImage to wl_buffer when on a different gpu,
1177 * because the buffer of the EGLImage has likely a tiling mode the server
1178 * gpu won't support. These is no way to check for now. Thus do not support the
1180 if (!dri2_dpy
->is_different_gpu
) {
1181 disp
->Extensions
.WL_create_wayland_buffer_from_image
= EGL_TRUE
;
1183 dri2_wl_display_vtbl
.create_wayland_buffer_from_image
=
1184 dri2_fallback_create_wayland_buffer_from_image
;
1186 disp
->Extensions
.EXT_buffer_age
= EGL_TRUE
;
1188 disp
->Extensions
.EXT_swap_buffers_with_damage
= EGL_TRUE
;
1190 /* Fill vtbl last to prevent accidentally calling virtual function during
1193 dri2_dpy
->vtbl
= &dri2_wl_display_vtbl
;
1198 dri2_dpy
->core
->destroyScreen(dri2_dpy
->dri_screen
);
1200 dlclose(dri2_dpy
->driver
);
1201 cleanup_driver_name
:
1202 free(dri2_dpy
->driver_name
);
1204 close(dri2_dpy
->fd
);
1206 free(dri2_dpy
->device_name
);
1207 wl_drm_destroy(dri2_dpy
->wl_drm
);
1209 wl_registry_destroy(dri2_dpy
->wl_registry
);
1210 wl_event_queue_destroy(dri2_dpy
->wl_queue
);
1218 dri2_wl_swrast_get_stride_for_format(int format
, int w
)
1220 if (format
== WL_SHM_FORMAT_RGB565
)
1222 else /* ARGB8888 || XRGB8888 */
1227 * Taken from weston shared/os-compatibility.c
1230 #ifndef HAVE_MKOSTEMP
1233 set_cloexec_or_close(int fd
)
1240 flags
= fcntl(fd
, F_GETFD
);
1244 if (fcntl(fd
, F_SETFD
, flags
| FD_CLOEXEC
) == -1)
1257 * Taken from weston shared/os-compatibility.c
1261 create_tmpfile_cloexec(char *tmpname
)
1265 #ifdef HAVE_MKOSTEMP
1266 fd
= mkostemp(tmpname
, O_CLOEXEC
);
1270 fd
= mkstemp(tmpname
);
1272 fd
= set_cloexec_or_close(fd
);
1281 * Taken from weston shared/os-compatibility.c
1283 * Create a new, unique, anonymous file of the given size, and
1284 * return the file descriptor for it. The file descriptor is set
1285 * CLOEXEC. The file is immediately suitable for mmap()'ing
1286 * the given size at offset zero.
1288 * The file should not have a permanent backing store like a disk,
1289 * but may have if XDG_RUNTIME_DIR is not properly implemented in OS.
1291 * The file name is deleted from the file system.
1293 * The file is suitable for buffer sharing between processes by
1294 * transmitting the file descriptor over Unix sockets using the
1295 * SCM_RIGHTS methods.
1297 * If the C library implements posix_fallocate(), it is used to
1298 * guarantee that disk space is available for the file at the
1299 * given size. If disk space is insufficent, errno is set to ENOSPC.
1300 * If posix_fallocate() is not supported, program may receive
1301 * SIGBUS on accessing mmap()'ed file contents instead.
1304 os_create_anonymous_file(off_t size
)
1306 static const char template[] = "/mesa-shared-XXXXXX";
1312 path
= getenv("XDG_RUNTIME_DIR");
1318 name
= malloc(strlen(path
) + sizeof(template));
1323 strcat(name
, template);
1325 fd
= create_tmpfile_cloexec(name
);
1332 ret
= ftruncate(fd
, size
);
1343 dri2_wl_swrast_allocate_buffer(struct dri2_egl_display
*dri2_dpy
,
1344 int format
, int w
, int h
,
1345 void **data
, int *size
,
1346 struct wl_buffer
**buffer
)
1348 struct wl_shm_pool
*pool
;
1349 int fd
, stride
, size_map
;
1352 stride
= dri2_wl_swrast_get_stride_for_format(format
, w
);
1353 size_map
= h
* stride
;
1355 /* Create a sharable buffer */
1356 fd
= os_create_anonymous_file(size_map
);
1360 data_map
= mmap(NULL
, size_map
, PROT_READ
| PROT_WRITE
, MAP_SHARED
, fd
, 0);
1361 if (data_map
== MAP_FAILED
) {
1366 /* Share it in a wl_buffer */
1367 pool
= wl_shm_create_pool(dri2_dpy
->wl_shm
, fd
, size_map
);
1368 *buffer
= wl_shm_pool_create_buffer(pool
, 0, w
, h
, stride
, format
);
1369 wl_shm_pool_destroy(pool
);
1378 swrast_update_buffers(struct dri2_egl_surface
*dri2_surf
)
1380 struct dri2_egl_display
*dri2_dpy
=
1381 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
1384 /* we need to do the following operations only once per frame */
1385 if (dri2_surf
->back
)
1388 if (dri2_surf
->base
.Width
!= dri2_surf
->wl_win
->width
||
1389 dri2_surf
->base
.Height
!= dri2_surf
->wl_win
->height
) {
1391 dri2_wl_release_buffers(dri2_surf
);
1393 dri2_surf
->base
.Width
= dri2_surf
->wl_win
->width
;
1394 dri2_surf
->base
.Height
= dri2_surf
->wl_win
->height
;
1395 dri2_surf
->dx
= dri2_surf
->wl_win
->dx
;
1396 dri2_surf
->dy
= dri2_surf
->wl_win
->dy
;
1397 dri2_surf
->current
= NULL
;
1400 /* find back buffer */
1402 /* We always want to throttle to some event (either a frame callback or
1403 * a sync request) after the commit so that we can be sure the
1404 * compositor has had a chance to handle it and send us a release event
1405 * before we look for a free buffer */
1406 while (dri2_surf
->throttle_callback
!= NULL
)
1407 if (wl_display_dispatch_queue(dri2_dpy
->wl_dpy
,
1408 dri2_dpy
->wl_queue
) == -1)
1411 /* try get free buffer already created */
1412 for (i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++) {
1413 if (!dri2_surf
->color_buffers
[i
].locked
&&
1414 dri2_surf
->color_buffers
[i
].wl_buffer
) {
1415 dri2_surf
->back
= &dri2_surf
->color_buffers
[i
];
1420 /* else choose any another free location */
1421 if (!dri2_surf
->back
) {
1422 for (i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++) {
1423 if (!dri2_surf
->color_buffers
[i
].locked
) {
1424 dri2_surf
->back
= &dri2_surf
->color_buffers
[i
];
1425 if (!dri2_wl_swrast_allocate_buffer(dri2_dpy
,
1427 dri2_surf
->base
.Width
,
1428 dri2_surf
->base
.Height
,
1429 &dri2_surf
->back
->data
,
1430 &dri2_surf
->back
->data_size
,
1431 &dri2_surf
->back
->wl_buffer
)) {
1432 _eglError(EGL_BAD_ALLOC
, "failed to allocate color buffer");
1435 wl_proxy_set_queue((struct wl_proxy
*) dri2_surf
->back
->wl_buffer
,
1436 dri2_dpy
->wl_queue
);
1437 wl_buffer_add_listener(dri2_surf
->back
->wl_buffer
,
1438 &wl_buffer_listener
, dri2_surf
);
1444 if (!dri2_surf
->back
) {
1445 _eglError(EGL_BAD_ALLOC
, "failed to find free buffer");
1449 dri2_surf
->back
->locked
= 1;
1451 /* If we have an extra unlocked buffer at this point, we had to do triple
1452 * buffering for a while, but now can go back to just double buffering.
1453 * That means we can free any unlocked buffer now. */
1454 for (i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++) {
1455 if (!dri2_surf
->color_buffers
[i
].locked
&&
1456 dri2_surf
->color_buffers
[i
].wl_buffer
) {
1457 wl_buffer_destroy(dri2_surf
->color_buffers
[i
].wl_buffer
);
1458 munmap(dri2_surf
->color_buffers
[i
].data
,
1459 dri2_surf
->color_buffers
[i
].data_size
);
1460 dri2_surf
->color_buffers
[i
].wl_buffer
= NULL
;
1461 dri2_surf
->color_buffers
[i
].data
= NULL
;
1469 dri2_wl_swrast_get_frontbuffer_data(struct dri2_egl_surface
*dri2_surf
)
1471 /* if there has been a resize: */
1472 if (!dri2_surf
->current
)
1475 return dri2_surf
->current
->data
;
1479 dri2_wl_swrast_get_backbuffer_data(struct dri2_egl_surface
*dri2_surf
)
1481 assert(dri2_surf
->back
);
1482 return dri2_surf
->back
->data
;
1486 dri2_wl_swrast_commit_backbuffer(struct dri2_egl_surface
*dri2_surf
)
1488 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
1490 if (dri2_surf
->base
.SwapInterval
> 0) {
1491 dri2_surf
->throttle_callback
=
1492 wl_surface_frame(dri2_surf
->wl_win
->surface
);
1493 wl_callback_add_listener(dri2_surf
->throttle_callback
,
1494 &throttle_listener
, dri2_surf
);
1495 wl_proxy_set_queue((struct wl_proxy
*) dri2_surf
->throttle_callback
,
1496 dri2_dpy
->wl_queue
);
1499 dri2_surf
->current
= dri2_surf
->back
;
1500 dri2_surf
->back
= NULL
;
1502 wl_surface_attach(dri2_surf
->wl_win
->surface
,
1503 dri2_surf
->current
->wl_buffer
,
1504 dri2_surf
->dx
, dri2_surf
->dy
);
1506 dri2_surf
->wl_win
->attached_width
= dri2_surf
->base
.Width
;
1507 dri2_surf
->wl_win
->attached_height
= dri2_surf
->base
.Height
;
1508 /* reset resize growing parameters */
1512 wl_surface_damage(dri2_surf
->wl_win
->surface
,
1513 0, 0, INT32_MAX
, INT32_MAX
);
1514 wl_surface_commit(dri2_surf
->wl_win
->surface
);
1516 /* If we're not waiting for a frame callback then we'll at least throttle
1517 * to a sync callback so that we always give a chance for the compositor to
1518 * handle the commit and send a release event before checking for a free
1520 if (dri2_surf
->throttle_callback
== NULL
) {
1521 dri2_surf
->throttle_callback
= wl_display_sync(dri2_dpy
->wl_dpy
);
1522 wl_callback_add_listener(dri2_surf
->throttle_callback
,
1523 &throttle_listener
, dri2_surf
);
1524 wl_proxy_set_queue((struct wl_proxy
*) dri2_surf
->throttle_callback
,
1525 dri2_dpy
->wl_queue
);
1528 wl_display_flush(dri2_dpy
->wl_dpy
);
1532 dri2_wl_swrast_get_drawable_info(__DRIdrawable
* draw
,
1533 int *x
, int *y
, int *w
, int *h
,
1534 void *loaderPrivate
)
1536 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
1538 (void) swrast_update_buffers(dri2_surf
);
1541 *w
= dri2_surf
->base
.Width
;
1542 *h
= dri2_surf
->base
.Height
;
1546 dri2_wl_swrast_get_image(__DRIdrawable
* read
,
1547 int x
, int y
, int w
, int h
,
1548 char *data
, void *loaderPrivate
)
1550 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
1551 int copy_width
= dri2_wl_swrast_get_stride_for_format(dri2_surf
->format
, w
);
1552 int x_offset
= dri2_wl_swrast_get_stride_for_format(dri2_surf
->format
, x
);
1553 int src_stride
= dri2_wl_swrast_get_stride_for_format(dri2_surf
->format
, dri2_surf
->base
.Width
);
1554 int dst_stride
= copy_width
;
1557 src
= dri2_wl_swrast_get_frontbuffer_data(dri2_surf
);
1559 memset(data
, 0, copy_width
* h
);
1563 assert(data
!= src
);
1564 assert(copy_width
<= src_stride
);
1567 src
+= y
* src_stride
;
1570 if (copy_width
> src_stride
-x_offset
)
1571 copy_width
= src_stride
-x_offset
;
1572 if (h
> dri2_surf
->base
.Height
-y
)
1573 h
= dri2_surf
->base
.Height
-y
;
1576 memcpy(dst
, src
, copy_width
);
1583 dri2_wl_swrast_put_image2(__DRIdrawable
* draw
, int op
,
1584 int x
, int y
, int w
, int h
, int stride
,
1585 char *data
, void *loaderPrivate
)
1587 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
1588 int copy_width
= dri2_wl_swrast_get_stride_for_format(dri2_surf
->format
, w
);
1589 int dst_stride
= dri2_wl_swrast_get_stride_for_format(dri2_surf
->format
, dri2_surf
->base
.Width
);
1590 int x_offset
= dri2_wl_swrast_get_stride_for_format(dri2_surf
->format
, x
);
1593 assert(copy_width
<= stride
);
1595 (void) swrast_update_buffers(dri2_surf
);
1596 dst
= dri2_wl_swrast_get_backbuffer_data(dri2_surf
);
1598 /* partial copy, copy old content */
1599 if (copy_width
< dst_stride
)
1600 dri2_wl_swrast_get_image(draw
, 0, 0,
1601 dri2_surf
->base
.Width
, dri2_surf
->base
.Height
,
1602 dst
, loaderPrivate
);
1605 dst
+= y
* dst_stride
;
1609 /* drivers expect we do these checks (and some rely on it) */
1610 if (copy_width
> dst_stride
-x_offset
)
1611 copy_width
= dst_stride
-x_offset
;
1612 if (h
> dri2_surf
->base
.Height
-y
)
1613 h
= dri2_surf
->base
.Height
-y
;
1616 memcpy(dst
, src
, copy_width
);
1620 dri2_wl_swrast_commit_backbuffer(dri2_surf
);
1624 dri2_wl_swrast_put_image(__DRIdrawable
* draw
, int op
,
1625 int x
, int y
, int w
, int h
,
1626 char *data
, void *loaderPrivate
)
1628 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
1631 stride
= dri2_wl_swrast_get_stride_for_format(dri2_surf
->format
, w
);
1632 dri2_wl_swrast_put_image2(draw
, op
, x
, y
, w
, h
,
1633 stride
, data
, loaderPrivate
);
1637 * Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface().
1639 static _EGLSurface
*
1640 dri2_wl_swrast_create_window_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1641 _EGLConfig
*conf
, void *native_window
,
1642 const EGLint
*attrib_list
)
1644 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1645 struct dri2_egl_config
*dri2_conf
= dri2_egl_config(conf
);
1646 struct wl_egl_window
*window
= native_window
;
1647 struct dri2_egl_surface
*dri2_surf
;
1651 dri2_surf
= calloc(1, sizeof *dri2_surf
);
1653 _eglError(EGL_BAD_ALLOC
, "dri2_create_surface");
1657 if (!_eglInitSurface(&dri2_surf
->base
, disp
, EGL_WINDOW_BIT
, conf
, attrib_list
))
1660 if (conf
->RedSize
== 5)
1661 dri2_surf
->format
= WL_SHM_FORMAT_RGB565
;
1662 else if (conf
->AlphaSize
== 0)
1663 dri2_surf
->format
= WL_SHM_FORMAT_XRGB8888
;
1665 dri2_surf
->format
= WL_SHM_FORMAT_ARGB8888
;
1667 dri2_surf
->wl_win
= window
;
1669 dri2_surf
->base
.Width
= -1;
1670 dri2_surf
->base
.Height
= -1;
1672 dri2_surf
->dri_drawable
=
1673 (*dri2_dpy
->swrast
->createNewDrawable
) (dri2_dpy
->dri_screen
,
1674 dri2_conf
->dri_double_config
,
1676 if (dri2_surf
->dri_drawable
== NULL
) {
1677 _eglError(EGL_BAD_ALLOC
, "swrast->createNewDrawable");
1678 goto cleanup_dri_drawable
;
1681 dri2_wl_swap_interval(drv
, disp
, &dri2_surf
->base
,
1682 dri2_dpy
->default_swap_interval
);
1684 return &dri2_surf
->base
;
1686 cleanup_dri_drawable
:
1687 dri2_dpy
->core
->destroyDrawable(dri2_surf
->dri_drawable
);
1695 dri2_wl_swrast_swap_buffers(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*draw
)
1697 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1698 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(draw
);
1700 dri2_dpy
->core
->swapBuffers(dri2_surf
->dri_drawable
);
1705 shm_handle_format(void *data
, struct wl_shm
*shm
, uint32_t format
)
1707 struct dri2_egl_display
*dri2_dpy
= data
;
1710 case WL_SHM_FORMAT_ARGB8888
:
1711 dri2_dpy
->formats
|= HAS_ARGB8888
;
1713 case WL_SHM_FORMAT_XRGB8888
:
1714 dri2_dpy
->formats
|= HAS_XRGB8888
;
1716 case WL_SHM_FORMAT_RGB565
:
1717 dri2_dpy
->formats
|= HAS_RGB565
;
1722 static const struct wl_shm_listener shm_listener
= {
1723 .format
= shm_handle_format
1727 registry_handle_global_swrast(void *data
, struct wl_registry
*registry
, uint32_t name
,
1728 const char *interface
, uint32_t version
)
1730 struct dri2_egl_display
*dri2_dpy
= data
;
1732 if (strcmp(interface
, "wl_shm") == 0) {
1734 wl_registry_bind(registry
, name
, &wl_shm_interface
, 1);
1735 wl_shm_add_listener(dri2_dpy
->wl_shm
, &shm_listener
, dri2_dpy
);
1739 static const struct wl_registry_listener registry_listener_swrast
= {
1740 .global
= registry_handle_global_swrast
,
1741 .global_remove
= registry_handle_global_remove
1744 static struct dri2_egl_display_vtbl dri2_wl_swrast_display_vtbl
= {
1745 .authenticate
= NULL
,
1746 .create_window_surface
= dri2_wl_swrast_create_window_surface
,
1747 .create_pixmap_surface
= dri2_wl_create_pixmap_surface
,
1748 .create_pbuffer_surface
= dri2_fallback_create_pbuffer_surface
,
1749 .destroy_surface
= dri2_wl_destroy_surface
,
1750 .create_image
= dri2_fallback_create_image_khr
,
1751 .swap_interval
= dri2_wl_swap_interval
,
1752 .swap_buffers
= dri2_wl_swrast_swap_buffers
,
1753 .swap_buffers_with_damage
= dri2_fallback_swap_buffers_with_damage
,
1754 .swap_buffers_region
= dri2_fallback_swap_buffers_region
,
1755 .post_sub_buffer
= dri2_fallback_post_sub_buffer
,
1756 .copy_buffers
= dri2_fallback_copy_buffers
,
1757 .query_buffer_age
= dri2_fallback_query_buffer_age
,
1758 .create_wayland_buffer_from_image
= dri2_fallback_create_wayland_buffer_from_image
,
1759 .get_sync_values
= dri2_fallback_get_sync_values
,
1763 dri2_initialize_wayland_swrast(_EGLDriver
*drv
, _EGLDisplay
*disp
)
1765 struct dri2_egl_display
*dri2_dpy
;
1766 const __DRIconfig
*config
;
1769 static const unsigned int argb_masks
[4] =
1770 { 0xff0000, 0xff00, 0xff, 0xff000000 };
1771 static const unsigned int rgb_masks
[4] = { 0xff0000, 0xff00, 0xff, 0 };
1772 static const unsigned int rgb565_masks
[4] = { 0xf800, 0x07e0, 0x001f, 0 };
1774 loader_set_logger(_eglLog
);
1776 dri2_dpy
= calloc(1, sizeof *dri2_dpy
);
1778 return _eglError(EGL_BAD_ALLOC
, "eglInitialize");
1780 disp
->DriverData
= (void *) dri2_dpy
;
1781 if (disp
->PlatformDisplay
== NULL
) {
1782 dri2_dpy
->wl_dpy
= wl_display_connect(NULL
);
1783 if (dri2_dpy
->wl_dpy
== NULL
)
1785 dri2_dpy
->own_device
= 1;
1787 dri2_dpy
->wl_dpy
= disp
->PlatformDisplay
;
1790 dri2_dpy
->wl_queue
= wl_display_create_queue(dri2_dpy
->wl_dpy
);
1792 if (dri2_dpy
->own_device
)
1793 wl_display_dispatch_pending(dri2_dpy
->wl_dpy
);
1795 dri2_dpy
->wl_registry
= wl_display_get_registry(dri2_dpy
->wl_dpy
);
1796 wl_proxy_set_queue((struct wl_proxy
*) dri2_dpy
->wl_registry
,
1797 dri2_dpy
->wl_queue
);
1798 wl_registry_add_listener(dri2_dpy
->wl_registry
,
1799 ®istry_listener_swrast
, dri2_dpy
);
1801 if (roundtrip(dri2_dpy
) < 0 || dri2_dpy
->wl_shm
== NULL
)
1802 goto cleanup_registry
;
1804 if (roundtrip(dri2_dpy
) < 0 || dri2_dpy
->formats
== 0)
1807 dri2_dpy
->driver_name
= strdup("swrast");
1808 if (!dri2_load_driver_swrast(disp
))
1811 dri2_dpy
->swrast_loader_extension
.base
.name
= __DRI_SWRAST_LOADER
;
1812 dri2_dpy
->swrast_loader_extension
.base
.version
= 2;
1813 dri2_dpy
->swrast_loader_extension
.getDrawableInfo
= dri2_wl_swrast_get_drawable_info
;
1814 dri2_dpy
->swrast_loader_extension
.putImage
= dri2_wl_swrast_put_image
;
1815 dri2_dpy
->swrast_loader_extension
.getImage
= dri2_wl_swrast_get_image
;
1816 dri2_dpy
->swrast_loader_extension
.putImage2
= dri2_wl_swrast_put_image2
;
1818 dri2_dpy
->extensions
[0] = &dri2_dpy
->swrast_loader_extension
.base
;
1819 dri2_dpy
->extensions
[1] = NULL
;
1821 if (!dri2_create_screen(disp
))
1822 goto cleanup_driver
;
1824 dri2_wl_setup_swap_interval(dri2_dpy
);
1826 types
= EGL_WINDOW_BIT
;
1827 for (i
= 0; dri2_dpy
->driver_configs
[i
]; i
++) {
1828 config
= dri2_dpy
->driver_configs
[i
];
1829 if (dri2_dpy
->formats
& HAS_XRGB8888
)
1830 dri2_add_config(disp
, config
, i
+ 1, types
, NULL
, rgb_masks
);
1831 if (dri2_dpy
->formats
& HAS_ARGB8888
)
1832 dri2_add_config(disp
, config
, i
+ 1, types
, NULL
, argb_masks
);
1833 if (dri2_dpy
->formats
& HAS_RGB565
)
1834 dri2_add_config(disp
, config
, i
+ 1, types
, NULL
, rgb565_masks
);
1837 /* Fill vtbl last to prevent accidentally calling virtual function during
1840 dri2_dpy
->vtbl
= &dri2_wl_swrast_display_vtbl
;
1845 dlclose(dri2_dpy
->driver
);
1847 wl_shm_destroy(dri2_dpy
->wl_shm
);
1849 wl_registry_destroy(dri2_dpy
->wl_registry
);
1850 wl_event_queue_destroy(dri2_dpy
->wl_queue
);
1858 dri2_initialize_wayland(_EGLDriver
*drv
, _EGLDisplay
*disp
)
1860 EGLBoolean initialized
= EGL_TRUE
;
1862 int hw_accel
= (getenv("LIBGL_ALWAYS_SOFTWARE") == NULL
);
1865 if (!dri2_initialize_wayland_drm(drv
, disp
)) {
1866 initialized
= dri2_initialize_wayland_swrast(drv
, disp
);
1869 initialized
= dri2_initialize_wayland_swrast(drv
, disp
);