2 * Copyright © 2011 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
19 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
20 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
25 * Kristian Høgsberg <krh@bitplanet.net>
41 #include <sys/types.h>
43 #include "util/debug.h"
44 #include "util/macros.h"
47 #include "egl_dri2_fallbacks.h"
51 #include "platform_x11_dri3.h"
55 dri2_x11_swap_interval(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
,
59 dri2_format_for_depth(struct dri2_egl_display
*dri2_dpy
, uint32_t depth
);
62 swrastCreateDrawable(struct dri2_egl_display
* dri2_dpy
,
63 struct dri2_egl_surface
* dri2_surf
)
66 const uint32_t function
= GXcopy
;
70 dri2_surf
->gc
= xcb_generate_id(dri2_dpy
->conn
);
71 mask
= XCB_GC_FUNCTION
;
72 xcb_create_gc(dri2_dpy
->conn
, dri2_surf
->gc
, dri2_surf
->drawable
, mask
, &function
);
74 dri2_surf
->swapgc
= xcb_generate_id(dri2_dpy
->conn
);
75 mask
= XCB_GC_FUNCTION
| XCB_GC_GRAPHICS_EXPOSURES
;
78 xcb_create_gc(dri2_dpy
->conn
, dri2_surf
->swapgc
, dri2_surf
->drawable
, mask
, valgc
);
79 switch (dri2_surf
->depth
) {
83 dri2_surf
->bytes_per_pixel
= 4;
86 dri2_surf
->bytes_per_pixel
= 2;
89 dri2_surf
->bytes_per_pixel
= 1;
92 dri2_surf
->bytes_per_pixel
= 0;
95 _eglLog(_EGL_WARNING
, "unsupported depth %d", dri2_surf
->depth
);
100 swrastDestroyDrawable(struct dri2_egl_display
* dri2_dpy
,
101 struct dri2_egl_surface
* dri2_surf
)
103 xcb_free_gc(dri2_dpy
->conn
, dri2_surf
->gc
);
104 xcb_free_gc(dri2_dpy
->conn
, dri2_surf
->swapgc
);
108 x11_get_drawable_info(__DRIdrawable
* draw
,
109 int *x
, int *y
, int *w
, int *h
,
112 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
113 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
115 xcb_get_geometry_cookie_t cookie
;
116 xcb_get_geometry_reply_t
*reply
;
117 xcb_generic_error_t
*error
;
120 cookie
= xcb_get_geometry (dri2_dpy
->conn
, dri2_surf
->drawable
);
121 reply
= xcb_get_geometry_reply (dri2_dpy
->conn
, cookie
, &error
);
127 _eglLog(_EGL_WARNING
, "error in xcb_get_geometry");
141 swrastGetDrawableInfo(__DRIdrawable
* draw
,
142 int *x
, int *y
, int *w
, int *h
,
145 *x
= *y
= *w
= *h
= 0;
146 x11_get_drawable_info(draw
, x
, y
, w
, h
, loaderPrivate
);
150 swrastPutImage(__DRIdrawable
* draw
, int op
,
151 int x
, int y
, int w
, int h
,
152 char *data
, void *loaderPrivate
)
154 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
155 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
160 case __DRI_SWRAST_IMAGE_OP_DRAW
:
163 case __DRI_SWRAST_IMAGE_OP_SWAP
:
164 gc
= dri2_surf
->swapgc
;
170 xcb_put_image(dri2_dpy
->conn
, XCB_IMAGE_FORMAT_Z_PIXMAP
, dri2_surf
->drawable
,
171 gc
, w
, h
, x
, y
, 0, dri2_surf
->depth
,
172 w
*h
*dri2_surf
->bytes_per_pixel
, (const uint8_t *)data
);
176 swrastGetImage(__DRIdrawable
* read
,
177 int x
, int y
, int w
, int h
,
178 char *data
, void *loaderPrivate
)
180 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
181 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
183 xcb_get_image_cookie_t cookie
;
184 xcb_get_image_reply_t
*reply
;
185 xcb_generic_error_t
*error
;
187 cookie
= xcb_get_image (dri2_dpy
->conn
, XCB_IMAGE_FORMAT_Z_PIXMAP
,
188 dri2_surf
->drawable
, x
, y
, w
, h
, ~0);
189 reply
= xcb_get_image_reply (dri2_dpy
->conn
, cookie
, &error
);
194 _eglLog(_EGL_WARNING
, "error in xcb_get_image");
197 uint32_t bytes
= xcb_get_image_data_length(reply
);
198 uint8_t *idata
= xcb_get_image_data(reply
);
199 memcpy(data
, idata
, bytes
);
205 static xcb_screen_t
*
206 get_xcb_screen(xcb_screen_iterator_t iter
, int screen
)
208 for (; iter
.rem
; --screen
, xcb_screen_next(&iter
))
215 static xcb_visualtype_t
*
216 get_xcb_visualtype_for_depth(struct dri2_egl_display
*dri2_dpy
, int depth
)
218 xcb_visualtype_iterator_t visual_iter
;
219 xcb_screen_t
*screen
= dri2_dpy
->screen
;
220 xcb_depth_iterator_t depth_iter
= xcb_screen_allowed_depths_iterator(screen
);
222 for (; depth_iter
.rem
; xcb_depth_next(&depth_iter
)) {
223 if (depth_iter
.data
->depth
!= depth
)
226 visual_iter
= xcb_depth_visuals_iterator(depth_iter
.data
);
228 return visual_iter
.data
;
234 /* Get red channel mask for given depth. */
236 dri2_x11_get_red_mask_for_depth(struct dri2_egl_display
*dri2_dpy
, int depth
)
238 xcb_visualtype_t
*visual
= get_xcb_visualtype_for_depth(dri2_dpy
, depth
);
241 return visual
->red_mask
;
247 * Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface().
250 dri2_x11_create_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
, EGLint type
,
251 _EGLConfig
*conf
, void *native_surface
,
252 const EGLint
*attrib_list
)
254 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
255 struct dri2_egl_config
*dri2_conf
= dri2_egl_config(conf
);
256 struct dri2_egl_surface
*dri2_surf
;
257 xcb_get_geometry_cookie_t cookie
;
258 xcb_get_geometry_reply_t
*reply
;
259 xcb_generic_error_t
*error
;
260 const __DRIconfig
*config
;
264 dri2_surf
= calloc(1, sizeof *dri2_surf
);
266 _eglError(EGL_BAD_ALLOC
, "dri2_create_surface");
270 if (!dri2_init_surface(&dri2_surf
->base
, disp
, type
, conf
, attrib_list
,
271 false, native_surface
))
274 dri2_surf
->region
= XCB_NONE
;
275 if (type
== EGL_PBUFFER_BIT
) {
276 dri2_surf
->drawable
= xcb_generate_id(dri2_dpy
->conn
);
277 xcb_create_pixmap(dri2_dpy
->conn
, conf
->BufferSize
,
278 dri2_surf
->drawable
, dri2_dpy
->screen
->root
,
279 dri2_surf
->base
.Width
, dri2_surf
->base
.Height
);
281 STATIC_ASSERT(sizeof(uintptr_t) == sizeof(native_surface
));
282 dri2_surf
->drawable
= (uintptr_t) native_surface
;
285 config
= dri2_get_dri_config(dri2_conf
, type
,
286 dri2_surf
->base
.GLColorspace
);
289 _eglError(EGL_BAD_MATCH
, "Unsupported surfacetype/colorspace configuration");
293 if (!dri2_create_drawable(dri2_dpy
, config
, dri2_surf
, dri2_surf
))
296 if (type
!= EGL_PBUFFER_BIT
) {
297 cookie
= xcb_get_geometry (dri2_dpy
->conn
, dri2_surf
->drawable
);
298 reply
= xcb_get_geometry_reply (dri2_dpy
->conn
, cookie
, &error
);
300 if (error
->error_code
== BadAlloc
)
301 _eglError(EGL_BAD_ALLOC
, "xcb_get_geometry");
302 else if (type
== EGL_WINDOW_BIT
)
303 _eglError(EGL_BAD_NATIVE_WINDOW
, "xcb_get_geometry");
305 _eglError(EGL_BAD_NATIVE_PIXMAP
, "xcb_get_geometry");
307 goto cleanup_dri_drawable
;
308 } else if (reply
== NULL
) {
309 _eglError(EGL_BAD_ALLOC
, "xcb_get_geometry");
310 goto cleanup_dri_drawable
;
313 dri2_surf
->base
.Width
= reply
->width
;
314 dri2_surf
->base
.Height
= reply
->height
;
315 dri2_surf
->depth
= reply
->depth
;
319 if (dri2_dpy
->dri2
) {
320 xcb_void_cookie_t cookie
;
323 cookie
= xcb_dri2_create_drawable_checked(dri2_dpy
->conn
,
324 dri2_surf
->drawable
);
325 error
= xcb_request_check(dri2_dpy
->conn
, cookie
);
326 conn_error
= xcb_connection_has_error(dri2_dpy
->conn
);
327 if (conn_error
|| error
!= NULL
) {
328 if (type
== EGL_PBUFFER_BIT
|| conn_error
|| error
->error_code
== BadAlloc
)
329 _eglError(EGL_BAD_ALLOC
, "xcb_dri2_create_drawable_checked");
330 else if (type
== EGL_WINDOW_BIT
)
331 _eglError(EGL_BAD_NATIVE_WINDOW
,
332 "xcb_dri2_create_drawable_checked");
334 _eglError(EGL_BAD_NATIVE_PIXMAP
,
335 "xcb_dri2_create_drawable_checked");
337 goto cleanup_dri_drawable
;
340 if (type
== EGL_PBUFFER_BIT
) {
341 dri2_surf
->depth
= _eglGetConfigKey(conf
, EGL_BUFFER_SIZE
);
343 swrastCreateDrawable(dri2_dpy
, dri2_surf
);
346 /* we always copy the back buffer to front */
347 dri2_surf
->base
.PostSubBufferSupportedNV
= EGL_TRUE
;
349 return &dri2_surf
->base
;
351 cleanup_dri_drawable
:
352 dri2_dpy
->core
->destroyDrawable(dri2_surf
->dri_drawable
);
354 if (type
== EGL_PBUFFER_BIT
)
355 xcb_free_pixmap(dri2_dpy
->conn
, dri2_surf
->drawable
);
363 * Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface().
366 dri2_x11_create_window_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
367 _EGLConfig
*conf
, void *native_window
,
368 const EGLint
*attrib_list
)
370 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
373 surf
= dri2_x11_create_surface(drv
, disp
, EGL_WINDOW_BIT
, conf
,
374 native_window
, attrib_list
);
376 /* When we first create the DRI2 drawable, its swap interval on the
379 surf
->SwapInterval
= 1;
381 /* Override that with a driconf-set value. */
382 dri2_x11_swap_interval(drv
, disp
, surf
, dri2_dpy
->default_swap_interval
);
389 dri2_x11_create_pixmap_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
390 _EGLConfig
*conf
, void *native_pixmap
,
391 const EGLint
*attrib_list
)
393 return dri2_x11_create_surface(drv
, disp
, EGL_PIXMAP_BIT
, conf
,
394 native_pixmap
, attrib_list
);
398 dri2_x11_create_pbuffer_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
399 _EGLConfig
*conf
, const EGLint
*attrib_list
)
401 return dri2_x11_create_surface(drv
, disp
, EGL_PBUFFER_BIT
, conf
,
406 dri2_x11_destroy_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
)
408 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
409 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
413 dri2_dpy
->core
->destroyDrawable(dri2_surf
->dri_drawable
);
415 if (dri2_dpy
->dri2
) {
416 xcb_dri2_destroy_drawable (dri2_dpy
->conn
, dri2_surf
->drawable
);
418 assert(dri2_dpy
->swrast
);
419 swrastDestroyDrawable(dri2_dpy
, dri2_surf
);
422 if (surf
->Type
== EGL_PBUFFER_BIT
)
423 xcb_free_pixmap (dri2_dpy
->conn
, dri2_surf
->drawable
);
425 dri2_fini_surface(surf
);
432 * Function utilizes swrastGetDrawableInfo to get surface
433 * geometry from x server and calls default query surface
434 * implementation that returns the updated values.
436 * In case of errors we still return values that we currently
440 dri2_query_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
441 _EGLSurface
*surf
, EGLint attribute
,
444 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
445 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
448 __DRIdrawable
*drawable
= dri2_dpy
->vtbl
->get_dri_drawable(surf
);
453 if (x11_get_drawable_info(drawable
, &x
, &y
, &w
, &h
, dri2_surf
)) {
461 return _eglQuerySurface(drv
, disp
, surf
, attribute
, value
);
465 * Process list of buffer received from the server
467 * Processes the list of buffers received in a reply from the server to either
468 * \c DRI2GetBuffers or \c DRI2GetBuffersWithFormat.
471 dri2_x11_process_buffers(struct dri2_egl_surface
*dri2_surf
,
472 xcb_dri2_dri2_buffer_t
*buffers
, unsigned count
)
474 struct dri2_egl_display
*dri2_dpy
=
475 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
476 xcb_rectangle_t rectangle
;
478 dri2_surf
->have_fake_front
= false;
480 /* This assumes the DRI2 buffer attachment tokens matches the
481 * __DRIbuffer tokens. */
482 for (unsigned i
= 0; i
< count
; i
++) {
483 dri2_surf
->buffers
[i
].attachment
= buffers
[i
].attachment
;
484 dri2_surf
->buffers
[i
].name
= buffers
[i
].name
;
485 dri2_surf
->buffers
[i
].pitch
= buffers
[i
].pitch
;
486 dri2_surf
->buffers
[i
].cpp
= buffers
[i
].cpp
;
487 dri2_surf
->buffers
[i
].flags
= buffers
[i
].flags
;
489 /* We only use the DRI drivers single buffer configs. This
490 * means that if we try to render to a window, DRI2 will give us
491 * the fake front buffer, which we'll use as a back buffer.
492 * Note that EGL doesn't require that several clients rendering
493 * to the same window must see the same aux buffers. */
494 if (dri2_surf
->buffers
[i
].attachment
== __DRI_BUFFER_FAKE_FRONT_LEFT
)
495 dri2_surf
->have_fake_front
= true;
498 if (dri2_surf
->region
!= XCB_NONE
)
499 xcb_xfixes_destroy_region(dri2_dpy
->conn
, dri2_surf
->region
);
503 rectangle
.width
= dri2_surf
->base
.Width
;
504 rectangle
.height
= dri2_surf
->base
.Height
;
505 dri2_surf
->region
= xcb_generate_id(dri2_dpy
->conn
);
506 xcb_xfixes_create_region(dri2_dpy
->conn
, dri2_surf
->region
, 1, &rectangle
);
510 dri2_x11_get_buffers(__DRIdrawable
* driDrawable
,
511 int *width
, int *height
,
512 unsigned int *attachments
, int count
,
513 int *out_count
, void *loaderPrivate
)
515 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
516 struct dri2_egl_display
*dri2_dpy
=
517 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
518 xcb_dri2_dri2_buffer_t
*buffers
;
519 xcb_dri2_get_buffers_reply_t
*reply
;
520 xcb_dri2_get_buffers_cookie_t cookie
;
524 cookie
= xcb_dri2_get_buffers_unchecked (dri2_dpy
->conn
,
526 count
, count
, attachments
);
527 reply
= xcb_dri2_get_buffers_reply (dri2_dpy
->conn
, cookie
, NULL
);
530 buffers
= xcb_dri2_get_buffers_buffers (reply
);
534 *out_count
= reply
->count
;
535 dri2_surf
->base
.Width
= *width
= reply
->width
;
536 dri2_surf
->base
.Height
= *height
= reply
->height
;
537 dri2_x11_process_buffers(dri2_surf
, buffers
, *out_count
);
541 return dri2_surf
->buffers
;
545 dri2_x11_get_buffers_with_format(__DRIdrawable
* driDrawable
,
546 int *width
, int *height
,
547 unsigned int *attachments
, int count
,
548 int *out_count
, void *loaderPrivate
)
550 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
551 struct dri2_egl_display
*dri2_dpy
=
552 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
553 xcb_dri2_dri2_buffer_t
*buffers
;
554 xcb_dri2_get_buffers_with_format_reply_t
*reply
;
555 xcb_dri2_get_buffers_with_format_cookie_t cookie
;
556 xcb_dri2_attach_format_t
*format_attachments
;
560 format_attachments
= (xcb_dri2_attach_format_t
*) attachments
;
561 cookie
= xcb_dri2_get_buffers_with_format_unchecked (dri2_dpy
->conn
,
566 reply
= xcb_dri2_get_buffers_with_format_reply (dri2_dpy
->conn
,
571 buffers
= xcb_dri2_get_buffers_with_format_buffers (reply
);
572 dri2_surf
->base
.Width
= *width
= reply
->width
;
573 dri2_surf
->base
.Height
= *height
= reply
->height
;
574 *out_count
= reply
->count
;
575 dri2_x11_process_buffers(dri2_surf
, buffers
, *out_count
);
579 return dri2_surf
->buffers
;
583 dri2_x11_flush_front_buffer(__DRIdrawable
* driDrawable
, void *loaderPrivate
)
587 /* FIXME: Does EGL support front buffer rendering at all? */
590 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
592 dri2WaitGL(dri2_surf
);
594 (void) loaderPrivate
;
599 dri2_x11_do_authenticate(struct dri2_egl_display
*dri2_dpy
, uint32_t id
)
601 xcb_dri2_authenticate_reply_t
*authenticate
;
602 xcb_dri2_authenticate_cookie_t authenticate_cookie
;
605 authenticate_cookie
=
606 xcb_dri2_authenticate_unchecked(dri2_dpy
->conn
, dri2_dpy
->screen
->root
, id
);
608 xcb_dri2_authenticate_reply(dri2_dpy
->conn
, authenticate_cookie
, NULL
);
610 if (authenticate
== NULL
|| !authenticate
->authenticated
)
619 dri2_x11_local_authenticate(struct dri2_egl_display
*dri2_dpy
)
624 if (drmGetMagic(dri2_dpy
->fd
, &magic
)) {
625 _eglLog(_EGL_WARNING
, "DRI2: failed to get drm magic");
629 if (dri2_x11_do_authenticate(dri2_dpy
, magic
) < 0) {
630 _eglLog(_EGL_WARNING
, "DRI2: failed to authenticate");
638 dri2_x11_connect(struct dri2_egl_display
*dri2_dpy
)
640 xcb_xfixes_query_version_reply_t
*xfixes_query
;
641 xcb_xfixes_query_version_cookie_t xfixes_query_cookie
;
642 xcb_dri2_query_version_reply_t
*dri2_query
;
643 xcb_dri2_query_version_cookie_t dri2_query_cookie
;
644 xcb_dri2_connect_reply_t
*connect
;
645 xcb_dri2_connect_cookie_t connect_cookie
;
646 xcb_generic_error_t
*error
;
647 char *driver_name
, *loader_driver_name
, *device_name
;
648 const xcb_query_extension_reply_t
*extension
;
650 xcb_prefetch_extension_data (dri2_dpy
->conn
, &xcb_xfixes_id
);
651 xcb_prefetch_extension_data (dri2_dpy
->conn
, &xcb_dri2_id
);
653 extension
= xcb_get_extension_data(dri2_dpy
->conn
, &xcb_xfixes_id
);
654 if (!(extension
&& extension
->present
))
657 extension
= xcb_get_extension_data(dri2_dpy
->conn
, &xcb_dri2_id
);
658 if (!(extension
&& extension
->present
))
661 xfixes_query_cookie
= xcb_xfixes_query_version(dri2_dpy
->conn
,
662 XCB_XFIXES_MAJOR_VERSION
,
663 XCB_XFIXES_MINOR_VERSION
);
665 dri2_query_cookie
= xcb_dri2_query_version (dri2_dpy
->conn
,
666 XCB_DRI2_MAJOR_VERSION
,
667 XCB_DRI2_MINOR_VERSION
);
669 connect_cookie
= xcb_dri2_connect_unchecked(dri2_dpy
->conn
, dri2_dpy
->screen
->root
,
670 XCB_DRI2_DRIVER_TYPE_DRI
);
673 xcb_xfixes_query_version_reply (dri2_dpy
->conn
,
674 xfixes_query_cookie
, &error
);
675 if (xfixes_query
== NULL
||
676 error
!= NULL
|| xfixes_query
->major_version
< 2) {
677 _eglLog(_EGL_WARNING
, "DRI2: failed to query xfixes version");
685 xcb_dri2_query_version_reply (dri2_dpy
->conn
, dri2_query_cookie
, &error
);
686 if (dri2_query
== NULL
|| error
!= NULL
) {
687 _eglLog(_EGL_WARNING
, "DRI2: failed to query version");
691 dri2_dpy
->dri2_major
= dri2_query
->major_version
;
692 dri2_dpy
->dri2_minor
= dri2_query
->minor_version
;
695 connect
= xcb_dri2_connect_reply (dri2_dpy
->conn
, connect_cookie
, NULL
);
696 if (connect
== NULL
||
697 connect
->driver_name_length
+ connect
->device_name_length
== 0) {
698 _eglLog(_EGL_WARNING
, "DRI2: failed to authenticate");
702 device_name
= xcb_dri2_connect_device_name (connect
);
704 dri2_dpy
->fd
= loader_open_device(device_name
);
705 if (dri2_dpy
->fd
== -1) {
706 _eglLog(_EGL_WARNING
,
707 "DRI2: could not open %s (%s)", device_name
, strerror(errno
));
712 if (!dri2_x11_local_authenticate(dri2_dpy
)) {
718 driver_name
= xcb_dri2_connect_driver_name (connect
);
720 /* If Mesa knows about the appropriate driver for this fd, then trust it.
721 * Otherwise, default to the server's value.
723 loader_driver_name
= loader_get_driver_for_fd(dri2_dpy
->fd
);
724 if (loader_driver_name
) {
725 dri2_dpy
->driver_name
= loader_driver_name
;
727 dri2_dpy
->driver_name
=
729 xcb_dri2_connect_driver_name_length(connect
));
732 if (dri2_dpy
->driver_name
== NULL
) {
738 #ifdef HAVE_WAYLAND_PLATFORM
739 dri2_dpy
->device_name
=
741 xcb_dri2_connect_device_name_length(connect
));
750 dri2_x11_authenticate(_EGLDisplay
*disp
, uint32_t id
)
752 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
754 return dri2_x11_do_authenticate(dri2_dpy
, id
);
758 dri2_x11_config_match_attrib(struct dri2_egl_display
*dri2_dpy
,
759 const __DRIconfig
*config
,
764 if (!dri2_dpy
->core
->getConfigAttrib(config
, attrib
, &config_val
))
766 return config_val
== value
;
770 * See if the X server can export a pixmap with the given color depth.
772 * Glamor in xorg-server 1.20 can't export pixmaps which have a different
773 * color depth than the root window as a DRI image. This makes it impossible
774 * to expose pbuffer-only visuals with, say, 16bpp on a 24bpp X display.
777 x11_can_export_pixmap_with_bpp(struct dri2_egl_display
*dri2_dpy
, int bpp
)
779 bool supported
= false;
782 xcb_dri3_buffer_from_pixmap_cookie_t cookie
;
783 xcb_dri3_buffer_from_pixmap_reply_t
*reply
;
785 xcb_pixmap_t pixmap
= xcb_generate_id(dri2_dpy
->conn
);
786 xcb_create_pixmap(dri2_dpy
->conn
, bpp
, pixmap
, dri2_dpy
->screen
->root
, 1, 1);
787 cookie
= xcb_dri3_buffer_from_pixmap(dri2_dpy
->conn
, pixmap
);
788 reply
= xcb_dri3_buffer_from_pixmap_reply(dri2_dpy
->conn
, cookie
, NULL
);
791 int *fds
= xcb_dri3_buffer_from_pixmap_reply_fds(dri2_dpy
->conn
, reply
);
793 for (int i
= 0; i
< reply
->nfd
; i
++) {
802 xcb_free_pixmap(dri2_dpy
->conn
, pixmap
);
809 dri2_x11_add_configs_for_visuals(struct dri2_egl_display
*dri2_dpy
,
810 _EGLDisplay
*disp
, bool supports_preserved
,
811 bool add_pbuffer_configs
)
813 xcb_depth_iterator_t d
;
814 xcb_visualtype_t
*visuals
;
815 int config_count
= 0;
818 d
= xcb_screen_allowed_depths_iterator(dri2_dpy
->screen
);
825 if (supports_preserved
)
826 surface_type
|= EGL_SWAP_BEHAVIOR_PRESERVED_BIT
;
829 EGLBoolean class_added
[6] = { 0, };
831 visuals
= xcb_depth_visuals(d
.data
);
833 for (int i
= 0; i
< xcb_depth_visuals_length(d
.data
); i
++) {
834 if (class_added
[visuals
[i
]._class
])
837 class_added
[visuals
[i
]._class
] = EGL_TRUE
;
839 for (int j
= 0; dri2_dpy
->driver_configs
[j
]; j
++) {
840 struct dri2_egl_config
*dri2_conf
;
841 const __DRIconfig
*config
= dri2_dpy
->driver_configs
[j
];
843 const EGLint config_attrs
[] = {
844 EGL_NATIVE_VISUAL_ID
, visuals
[i
].visual_id
,
845 EGL_NATIVE_VISUAL_TYPE
, visuals
[i
]._class
,
849 unsigned int rgba_masks
[4] = {
851 visuals
[i
].green_mask
,
852 visuals
[i
].blue_mask
,
856 dri2_conf
= dri2_add_config(disp
, config
, config_count
+ 1,
857 surface_type
, config_attrs
,
860 if (dri2_conf
->base
.ConfigID
== config_count
+ 1)
863 /* Allow a 24-bit RGB visual to match a 32-bit RGBA EGLConfig.
864 * Ditto for 30-bit RGB visuals to match a 32-bit RGBA EGLConfig.
865 * Otherwise it will only match a 32-bit RGBA visual. On a
866 * composited window manager on X11, this will make all of the
867 * EGLConfigs with destination alpha get blended by the
868 * compositor. This is probably not what the application
869 * wants... especially on drivers that only have 32-bit RGBA
871 if (d
.data
->depth
== 24 || d
.data
->depth
== 30) {
873 ~(rgba_masks
[0] | rgba_masks
[1] | rgba_masks
[2]);
874 dri2_conf
= dri2_add_config(disp
, config
, config_count
+ 1,
875 surface_type
, config_attrs
,
878 if (dri2_conf
->base
.ConfigID
== config_count
+ 1)
887 /* Add a 565-no-depth-no-stencil pbuffer-only config. If X11 is depth 24,
888 * we wouldn't have 565 available, which the CTS demands.
890 if (add_pbuffer_configs
&& x11_can_export_pixmap_with_bpp(dri2_dpy
, 16)) {
891 for (int j
= 0; dri2_dpy
->driver_configs
[j
]; j
++) {
892 const __DRIconfig
*config
= dri2_dpy
->driver_configs
[j
];
893 const EGLint config_attrs
[] = {
894 EGL_NATIVE_VISUAL_ID
, 0,
895 EGL_NATIVE_VISUAL_TYPE
, EGL_NONE
,
898 EGLint surface_type
= EGL_PBUFFER_BIT
;
899 unsigned int rgba_masks
[4] = {
906 /* Check that we've found single-sample, no depth, no stencil,
907 * and single-buffered.
909 if (!dri2_x11_config_match_attrib(dri2_dpy
, config
,
910 __DRI_ATTRIB_DEPTH_SIZE
, 0) ||
911 !dri2_x11_config_match_attrib(dri2_dpy
, config
,
912 __DRI_ATTRIB_STENCIL_SIZE
, 0) ||
913 !dri2_x11_config_match_attrib(dri2_dpy
, config
,
914 __DRI_ATTRIB_SAMPLES
, 0) ||
915 !dri2_x11_config_match_attrib(dri2_dpy
, config
,
916 __DRI_ATTRIB_DOUBLE_BUFFER
, 0)) {
920 if (dri2_add_config(disp
, config
, config_count
+ 1, surface_type
,
921 config_attrs
, rgba_masks
)) {
929 _eglLog(_EGL_WARNING
, "DRI2: failed to create any config");
937 dri2_copy_region(_EGLDriver
*drv
, _EGLDisplay
*disp
,
938 _EGLSurface
*draw
, xcb_xfixes_region_t region
)
940 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
941 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(draw
);
942 enum xcb_dri2_attachment_t render_attachment
;
943 xcb_dri2_copy_region_cookie_t cookie
;
945 /* No-op for a pixmap or pbuffer surface */
946 if (draw
->Type
== EGL_PIXMAP_BIT
|| draw
->Type
== EGL_PBUFFER_BIT
)
949 dri2_dpy
->flush
->flush(dri2_surf
->dri_drawable
);
951 if (dri2_surf
->have_fake_front
)
952 render_attachment
= XCB_DRI2_ATTACHMENT_BUFFER_FAKE_FRONT_LEFT
;
954 render_attachment
= XCB_DRI2_ATTACHMENT_BUFFER_BACK_LEFT
;
956 cookie
= xcb_dri2_copy_region_unchecked(dri2_dpy
->conn
,
959 XCB_DRI2_ATTACHMENT_BUFFER_FRONT_LEFT
,
961 free(xcb_dri2_copy_region_reply(dri2_dpy
->conn
, cookie
, NULL
));
967 dri2_x11_swap_buffers_msc(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*draw
,
968 int64_t msc
, int64_t divisor
, int64_t remainder
)
970 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
971 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(draw
);
972 uint32_t msc_hi
= msc
>> 32;
973 uint32_t msc_lo
= msc
& 0xffffffff;
974 uint32_t divisor_hi
= divisor
>> 32;
975 uint32_t divisor_lo
= divisor
& 0xffffffff;
976 uint32_t remainder_hi
= remainder
>> 32;
977 uint32_t remainder_lo
= remainder
& 0xffffffff;
978 xcb_dri2_swap_buffers_cookie_t cookie
;
979 xcb_dri2_swap_buffers_reply_t
*reply
;
980 int64_t swap_count
= -1;
982 if (draw
->SwapBehavior
== EGL_BUFFER_PRESERVED
|| !dri2_dpy
->swap_available
) {
983 swap_count
= dri2_copy_region(drv
, disp
, draw
, dri2_surf
->region
) ? 0 : -1;
985 dri2_flush_drawable_for_swapbuffers(disp
, draw
);
987 cookie
= xcb_dri2_swap_buffers_unchecked(dri2_dpy
->conn
,
988 dri2_surf
->drawable
, msc_hi
,
989 msc_lo
, divisor_hi
, divisor_lo
,
990 remainder_hi
, remainder_lo
);
992 reply
= xcb_dri2_swap_buffers_reply(dri2_dpy
->conn
, cookie
, NULL
);
995 swap_count
= combine_u32_into_u64(reply
->swap_hi
, reply
->swap_lo
);
1000 /* Since we aren't watching for the server's invalidate events like we're
1001 * supposed to (due to XCB providing no mechanism for filtering the events
1002 * the way xlib does), and SwapBuffers is a common cause of invalidate
1003 * events, just shove one down to the driver, even though we haven't told
1004 * the driver that we're the kind of loader that provides reliable
1005 * invalidate events. This causes the driver to request buffers again at
1006 * its next draw, so that we get the correct buffers if a pageflip
1007 * happened. The driver should still be using the viewport hack to catch
1010 if (dri2_dpy
->flush
->base
.version
>= 3 && dri2_dpy
->flush
->invalidate
)
1011 dri2_dpy
->flush
->invalidate(dri2_surf
->dri_drawable
);
1017 dri2_x11_swap_buffers(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*draw
)
1019 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1020 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(draw
);
1022 if (!dri2_dpy
->flush
) {
1023 dri2_dpy
->core
->swapBuffers(dri2_surf
->dri_drawable
);
1027 if (dri2_x11_swap_buffers_msc(drv
, disp
, draw
, 0, 0, 0) == -1) {
1028 /* Swap failed with a window drawable. */
1029 return _eglError(EGL_BAD_NATIVE_WINDOW
, __func__
);
1035 dri2_x11_swap_buffers_region(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1037 EGLint numRects
, const EGLint
*rects
)
1039 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1040 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(draw
);
1042 xcb_xfixes_region_t region
;
1043 xcb_rectangle_t rectangles
[16];
1045 if (numRects
> (int)ARRAY_SIZE(rectangles
))
1046 return dri2_copy_region(drv
, disp
, draw
, dri2_surf
->region
);
1048 for (int i
= 0; i
< numRects
; i
++) {
1049 rectangles
[i
].x
= rects
[i
* 4];
1050 rectangles
[i
].y
= dri2_surf
->base
.Height
- rects
[i
* 4 + 1] - rects
[i
* 4 + 3];
1051 rectangles
[i
].width
= rects
[i
* 4 + 2];
1052 rectangles
[i
].height
= rects
[i
* 4 + 3];
1055 region
= xcb_generate_id(dri2_dpy
->conn
);
1056 xcb_xfixes_create_region(dri2_dpy
->conn
, region
, numRects
, rectangles
);
1057 ret
= dri2_copy_region(drv
, disp
, draw
, region
);
1058 xcb_xfixes_destroy_region(dri2_dpy
->conn
, region
);
1064 dri2_x11_post_sub_buffer(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*draw
,
1065 EGLint x
, EGLint y
, EGLint width
, EGLint height
)
1067 const EGLint rect
[4] = { x
, y
, width
, height
};
1069 if (x
< 0 || y
< 0 || width
< 0 || height
< 0)
1070 _eglError(EGL_BAD_PARAMETER
, "eglPostSubBufferNV");
1072 return dri2_x11_swap_buffers_region(drv
, disp
, draw
, 1, rect
);
1076 dri2_x11_swap_interval(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
,
1079 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1080 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
1082 if (dri2_dpy
->swap_available
)
1083 xcb_dri2_swap_interval(dri2_dpy
->conn
, dri2_surf
->drawable
, interval
);
1089 dri2_x11_copy_buffers(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
,
1090 void *native_pixmap_target
)
1092 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1093 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
1095 xcb_pixmap_t target
;
1097 STATIC_ASSERT(sizeof(uintptr_t) == sizeof(native_pixmap_target
));
1098 target
= (uintptr_t) native_pixmap_target
;
1102 dri2_dpy
->flush
->flush(dri2_surf
->dri_drawable
);
1104 gc
= xcb_generate_id(dri2_dpy
->conn
);
1105 xcb_create_gc(dri2_dpy
->conn
, gc
, target
, 0, NULL
);
1106 xcb_copy_area(dri2_dpy
->conn
,
1107 dri2_surf
->drawable
,
1112 dri2_surf
->base
.Width
,
1113 dri2_surf
->base
.Height
);
1114 xcb_free_gc(dri2_dpy
->conn
, gc
);
1120 dri2_format_for_depth(struct dri2_egl_display
*dri2_dpy
, uint32_t depth
)
1124 return __DRI_IMAGE_FORMAT_RGB565
;
1126 return __DRI_IMAGE_FORMAT_XRGB8888
;
1128 /* Different preferred formats for different hw */
1129 if (dri2_x11_get_red_mask_for_depth(dri2_dpy
, 30) == 0x3ff)
1130 return __DRI_IMAGE_FORMAT_XBGR2101010
;
1132 return __DRI_IMAGE_FORMAT_XRGB2101010
;
1134 return __DRI_IMAGE_FORMAT_ARGB8888
;
1136 return __DRI_IMAGE_FORMAT_NONE
;
1141 dri2_create_image_khr_pixmap(_EGLDisplay
*disp
, _EGLContext
*ctx
,
1142 EGLClientBuffer buffer
, const EGLint
*attr_list
)
1144 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1145 struct dri2_egl_image
*dri2_img
;
1146 unsigned int attachments
[1];
1147 xcb_drawable_t drawable
;
1148 xcb_dri2_get_buffers_cookie_t buffers_cookie
;
1149 xcb_dri2_get_buffers_reply_t
*buffers_reply
;
1150 xcb_dri2_dri2_buffer_t
*buffers
;
1151 xcb_get_geometry_cookie_t geometry_cookie
;
1152 xcb_get_geometry_reply_t
*geometry_reply
;
1153 xcb_generic_error_t
*error
;
1158 drawable
= (xcb_drawable_t
) (uintptr_t) buffer
;
1159 xcb_dri2_create_drawable (dri2_dpy
->conn
, drawable
);
1160 attachments
[0] = XCB_DRI2_ATTACHMENT_BUFFER_FRONT_LEFT
;
1162 xcb_dri2_get_buffers_unchecked (dri2_dpy
->conn
,
1163 drawable
, 1, 1, attachments
);
1164 geometry_cookie
= xcb_get_geometry (dri2_dpy
->conn
, drawable
);
1165 buffers_reply
= xcb_dri2_get_buffers_reply (dri2_dpy
->conn
,
1166 buffers_cookie
, NULL
);
1167 if (buffers_reply
== NULL
)
1170 buffers
= xcb_dri2_get_buffers_buffers (buffers_reply
);
1171 if (buffers
== NULL
) {
1175 geometry_reply
= xcb_get_geometry_reply (dri2_dpy
->conn
,
1176 geometry_cookie
, &error
);
1177 if (geometry_reply
== NULL
|| error
!= NULL
) {
1178 _eglError(EGL_BAD_ALLOC
, "xcb_get_geometry");
1180 free(buffers_reply
);
1184 format
= dri2_format_for_depth(dri2_dpy
, geometry_reply
->depth
);
1185 if (format
== __DRI_IMAGE_FORMAT_NONE
) {
1186 _eglError(EGL_BAD_PARAMETER
,
1187 "dri2_create_image_khr: unsupported pixmap depth");
1188 free(buffers_reply
);
1189 free(geometry_reply
);
1193 dri2_img
= malloc(sizeof *dri2_img
);
1195 free(buffers_reply
);
1196 free(geometry_reply
);
1197 _eglError(EGL_BAD_ALLOC
, "dri2_create_image_khr");
1198 return EGL_NO_IMAGE_KHR
;
1201 _eglInitImage(&dri2_img
->base
, disp
);
1203 stride
= buffers
[0].pitch
/ buffers
[0].cpp
;
1204 dri2_img
->dri_image
=
1205 dri2_dpy
->image
->createImageFromName(dri2_dpy
->dri_screen
,
1206 buffers_reply
->width
,
1207 buffers_reply
->height
,
1213 free(buffers_reply
);
1214 free(geometry_reply
);
1216 return &dri2_img
->base
;
1220 dri2_x11_create_image_khr(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1221 _EGLContext
*ctx
, EGLenum target
,
1222 EGLClientBuffer buffer
, const EGLint
*attr_list
)
1227 case EGL_NATIVE_PIXMAP_KHR
:
1228 return dri2_create_image_khr_pixmap(disp
, ctx
, buffer
, attr_list
);
1230 return dri2_create_image_khr(drv
, disp
, ctx
, target
, buffer
, attr_list
);
1235 dri2_x11_get_sync_values(_EGLDisplay
*display
, _EGLSurface
*surface
,
1236 EGLuint64KHR
*ust
, EGLuint64KHR
*msc
,
1239 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(display
);
1240 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surface
);
1241 xcb_dri2_get_msc_cookie_t cookie
;
1242 xcb_dri2_get_msc_reply_t
*reply
;
1244 cookie
= xcb_dri2_get_msc(dri2_dpy
->conn
, dri2_surf
->drawable
);
1245 reply
= xcb_dri2_get_msc_reply(dri2_dpy
->conn
, cookie
, NULL
);
1248 return _eglError(EGL_BAD_ACCESS
, __func__
);
1250 *ust
= ((EGLuint64KHR
) reply
->ust_hi
<< 32) | reply
->ust_lo
;
1251 *msc
= ((EGLuint64KHR
) reply
->msc_hi
<< 32) | reply
->msc_lo
;
1252 *sbc
= ((EGLuint64KHR
) reply
->sbc_hi
<< 32) | reply
->sbc_lo
;
1258 static const struct dri2_egl_display_vtbl dri2_x11_swrast_display_vtbl
= {
1259 .authenticate
= NULL
,
1260 .create_window_surface
= dri2_x11_create_window_surface
,
1261 .create_pixmap_surface
= dri2_x11_create_pixmap_surface
,
1262 .create_pbuffer_surface
= dri2_x11_create_pbuffer_surface
,
1263 .destroy_surface
= dri2_x11_destroy_surface
,
1264 .create_image
= dri2_create_image_khr
,
1265 .swap_buffers
= dri2_x11_swap_buffers
,
1266 .set_damage_region
= dri2_fallback_set_damage_region
,
1267 .swap_buffers_region
= dri2_fallback_swap_buffers_region
,
1268 .post_sub_buffer
= dri2_fallback_post_sub_buffer
,
1269 /* XXX: should really implement this since X11 has pixmaps */
1270 .copy_buffers
= dri2_fallback_copy_buffers
,
1271 .query_buffer_age
= dri2_fallback_query_buffer_age
,
1272 .query_surface
= dri2_query_surface
,
1273 .create_wayland_buffer_from_image
= dri2_fallback_create_wayland_buffer_from_image
,
1274 .get_sync_values
= dri2_fallback_get_sync_values
,
1275 .get_dri_drawable
= dri2_surface_get_dri_drawable
,
1278 static const struct dri2_egl_display_vtbl dri2_x11_display_vtbl
= {
1279 .authenticate
= dri2_x11_authenticate
,
1280 .create_window_surface
= dri2_x11_create_window_surface
,
1281 .create_pixmap_surface
= dri2_x11_create_pixmap_surface
,
1282 .create_pbuffer_surface
= dri2_x11_create_pbuffer_surface
,
1283 .destroy_surface
= dri2_x11_destroy_surface
,
1284 .create_image
= dri2_x11_create_image_khr
,
1285 .swap_interval
= dri2_x11_swap_interval
,
1286 .swap_buffers
= dri2_x11_swap_buffers
,
1287 .swap_buffers_with_damage
= dri2_fallback_swap_buffers_with_damage
,
1288 .swap_buffers_region
= dri2_x11_swap_buffers_region
,
1289 .set_damage_region
= dri2_fallback_set_damage_region
,
1290 .post_sub_buffer
= dri2_x11_post_sub_buffer
,
1291 .copy_buffers
= dri2_x11_copy_buffers
,
1292 .query_buffer_age
= dri2_fallback_query_buffer_age
,
1293 .query_surface
= dri2_query_surface
,
1294 .create_wayland_buffer_from_image
= dri2_fallback_create_wayland_buffer_from_image
,
1295 .get_sync_values
= dri2_x11_get_sync_values
,
1296 .get_dri_drawable
= dri2_surface_get_dri_drawable
,
1299 static const __DRIswrastLoaderExtension swrast_loader_extension
= {
1300 .base
= { __DRI_SWRAST_LOADER
, 1 },
1302 .getDrawableInfo
= swrastGetDrawableInfo
,
1303 .putImage
= swrastPutImage
,
1304 .getImage
= swrastGetImage
,
1307 static const __DRIextension
*swrast_loader_extensions
[] = {
1308 &swrast_loader_extension
.base
,
1309 &image_lookup_extension
.base
,
1314 dri2_find_screen_for_display(const _EGLDisplay
*disp
, int fallback_screen
)
1316 const EGLAttrib
*attr
;
1318 for (attr
= disp
->Options
.Attribs
; attr
; attr
+= 2) {
1319 if (attr
[0] == EGL_PLATFORM_X11_SCREEN_EXT
)
1323 return fallback_screen
;
1327 dri2_get_xcb_connection(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1328 struct dri2_egl_display
*dri2_dpy
)
1330 xcb_screen_iterator_t s
;
1334 disp
->DriverData
= (void *) dri2_dpy
;
1335 if (disp
->PlatformDisplay
== NULL
) {
1336 dri2_dpy
->conn
= xcb_connect(NULL
, &screen
);
1337 dri2_dpy
->own_device
= true;
1338 screen
= dri2_find_screen_for_display(disp
, screen
);
1340 Display
*dpy
= disp
->PlatformDisplay
;
1341 dri2_dpy
->conn
= XGetXCBConnection(dpy
);
1342 screen
= DefaultScreen(dpy
);
1345 if (!dri2_dpy
->conn
|| xcb_connection_has_error(dri2_dpy
->conn
)) {
1346 msg
= "xcb_connect failed";
1350 s
= xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy
->conn
));
1351 dri2_dpy
->screen
= get_xcb_screen(s
, screen
);
1352 if (!dri2_dpy
->screen
) {
1353 msg
= "failed to get xcb screen";
1359 if (disp
->PlatformDisplay
== NULL
)
1360 xcb_disconnect(dri2_dpy
->conn
);
1362 return _eglError(EGL_BAD_ALLOC
, msg
);
1366 dri2_initialize_x11_swrast(_EGLDriver
*drv
, _EGLDisplay
*disp
)
1369 struct dri2_egl_display
*dri2_dpy
;
1371 dri2_dpy
= calloc(1, sizeof *dri2_dpy
);
1373 return _eglError(EGL_BAD_ALLOC
, "eglInitialize");
1376 if (!dri2_get_xcb_connection(drv
, disp
, dri2_dpy
))
1379 dev
= _eglAddDevice(dri2_dpy
->fd
, true);
1381 _eglError(EGL_NOT_INITIALIZED
, "DRI2: failed to find EGLDevice");
1388 * Every hardware driver_name is set using strdup. Doing the same in
1389 * here will allow is to simply free the memory at dri2_terminate().
1391 dri2_dpy
->driver_name
= strdup("swrast");
1392 if (!dri2_load_driver_swrast(disp
))
1395 dri2_dpy
->loader_extensions
= swrast_loader_extensions
;
1397 if (!dri2_create_screen(disp
))
1400 if (!dri2_setup_extensions(disp
))
1403 dri2_setup_screen(disp
);
1405 if (!dri2_x11_add_configs_for_visuals(dri2_dpy
, disp
, true, false))
1408 /* Fill vtbl last to prevent accidentally calling virtual function during
1411 dri2_dpy
->vtbl
= &dri2_x11_swrast_display_vtbl
;
1416 dri2_display_destroy(disp
);
1421 dri2_x11_setup_swap_interval(_EGLDisplay
*disp
)
1423 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1424 int arbitrary_max_interval
= 1000;
1426 /* default behavior for no SwapBuffers support: no vblank syncing
1429 dri2_dpy
->min_swap_interval
= 0;
1430 dri2_dpy
->max_swap_interval
= 0;
1431 dri2_dpy
->default_swap_interval
= 0;
1433 if (!dri2_dpy
->swap_available
)
1436 /* If we do have swapbuffers, then we can support pretty much any swap
1439 dri2_setup_swap_interval(disp
, arbitrary_max_interval
);
1444 static const __DRIextension
*dri3_image_loader_extensions
[] = {
1445 &dri3_image_loader_extension
.base
,
1446 &image_lookup_extension
.base
,
1447 &use_invalidate
.base
,
1448 &background_callable_extension
.base
,
1453 dri2_initialize_x11_dri3(_EGLDriver
*drv
, _EGLDisplay
*disp
)
1456 struct dri2_egl_display
*dri2_dpy
;
1458 dri2_dpy
= calloc(1, sizeof *dri2_dpy
);
1460 return _eglError(EGL_BAD_ALLOC
, "eglInitialize");
1463 if (!dri2_get_xcb_connection(drv
, disp
, dri2_dpy
))
1466 if (!dri3_x11_connect(dri2_dpy
))
1469 dev
= _eglAddDevice(dri2_dpy
->fd
, false);
1471 _eglError(EGL_NOT_INITIALIZED
, "DRI2: failed to find EGLDevice");
1477 if (!dri2_load_driver_dri3(disp
))
1480 dri2_dpy
->loader_extensions
= dri3_image_loader_extensions
;
1482 dri2_dpy
->swap_available
= true;
1483 dri2_dpy
->invalidate_available
= true;
1485 if (!dri2_create_screen(disp
))
1488 if (!dri2_setup_extensions(disp
))
1491 dri2_setup_screen(disp
);
1493 dri2_x11_setup_swap_interval(disp
);
1495 if (!dri2_dpy
->is_different_gpu
)
1496 disp
->Extensions
.KHR_image_pixmap
= EGL_TRUE
;
1497 disp
->Extensions
.NOK_texture_from_pixmap
= EGL_TRUE
;
1498 disp
->Extensions
.CHROMIUM_sync_control
= EGL_TRUE
;
1499 disp
->Extensions
.EXT_buffer_age
= EGL_TRUE
;
1501 dri2_set_WL_bind_wayland_display(drv
, disp
);
1503 if (!dri2_x11_add_configs_for_visuals(dri2_dpy
, disp
, false, true))
1506 dri2_dpy
->loader_dri3_ext
.core
= dri2_dpy
->core
;
1507 dri2_dpy
->loader_dri3_ext
.image_driver
= dri2_dpy
->image_driver
;
1508 dri2_dpy
->loader_dri3_ext
.flush
= dri2_dpy
->flush
;
1509 dri2_dpy
->loader_dri3_ext
.tex_buffer
= dri2_dpy
->tex_buffer
;
1510 dri2_dpy
->loader_dri3_ext
.image
= dri2_dpy
->image
;
1511 dri2_dpy
->loader_dri3_ext
.config
= dri2_dpy
->config
;
1513 /* Fill vtbl last to prevent accidentally calling virtual function during
1516 dri2_dpy
->vtbl
= &dri3_x11_display_vtbl
;
1518 _eglLog(_EGL_INFO
, "Using DRI3");
1523 dri2_display_destroy(disp
);
1528 static const __DRIdri2LoaderExtension dri2_loader_extension_old
= {
1529 .base
= { __DRI_DRI2_LOADER
, 2 },
1531 .getBuffers
= dri2_x11_get_buffers
,
1532 .flushFrontBuffer
= dri2_x11_flush_front_buffer
,
1533 .getBuffersWithFormat
= NULL
,
1536 static const __DRIdri2LoaderExtension dri2_loader_extension
= {
1537 .base
= { __DRI_DRI2_LOADER
, 3 },
1539 .getBuffers
= dri2_x11_get_buffers
,
1540 .flushFrontBuffer
= dri2_x11_flush_front_buffer
,
1541 .getBuffersWithFormat
= dri2_x11_get_buffers_with_format
,
1544 static const __DRIextension
*dri2_loader_extensions_old
[] = {
1545 &dri2_loader_extension_old
.base
,
1546 &image_lookup_extension
.base
,
1547 &background_callable_extension
.base
,
1551 static const __DRIextension
*dri2_loader_extensions
[] = {
1552 &dri2_loader_extension
.base
,
1553 &image_lookup_extension
.base
,
1554 &use_invalidate
.base
,
1555 &background_callable_extension
.base
,
1560 dri2_initialize_x11_dri2(_EGLDriver
*drv
, _EGLDisplay
*disp
)
1563 struct dri2_egl_display
*dri2_dpy
;
1565 dri2_dpy
= calloc(1, sizeof *dri2_dpy
);
1567 return _eglError(EGL_BAD_ALLOC
, "eglInitialize");
1570 if (!dri2_get_xcb_connection(drv
, disp
, dri2_dpy
))
1573 if (!dri2_x11_connect(dri2_dpy
))
1576 dev
= _eglAddDevice(dri2_dpy
->fd
, false);
1578 _eglError(EGL_NOT_INITIALIZED
, "DRI2: failed to find EGLDevice");
1584 if (!dri2_load_driver(disp
))
1587 if (dri2_dpy
->dri2_minor
>= 1)
1588 dri2_dpy
->loader_extensions
= dri2_loader_extensions
;
1590 dri2_dpy
->loader_extensions
= dri2_loader_extensions_old
;
1592 dri2_dpy
->swap_available
= (dri2_dpy
->dri2_minor
>= 2);
1593 dri2_dpy
->invalidate_available
= (dri2_dpy
->dri2_minor
>= 3);
1595 if (!dri2_create_screen(disp
))
1598 if (!dri2_setup_extensions(disp
))
1601 dri2_setup_screen(disp
);
1603 dri2_x11_setup_swap_interval(disp
);
1605 disp
->Extensions
.KHR_image_pixmap
= EGL_TRUE
;
1606 disp
->Extensions
.NOK_swap_region
= EGL_TRUE
;
1607 disp
->Extensions
.NOK_texture_from_pixmap
= EGL_TRUE
;
1608 disp
->Extensions
.NV_post_sub_buffer
= EGL_TRUE
;
1609 disp
->Extensions
.CHROMIUM_sync_control
= EGL_TRUE
;
1611 dri2_set_WL_bind_wayland_display(drv
, disp
);
1613 if (!dri2_x11_add_configs_for_visuals(dri2_dpy
, disp
, true, false))
1616 /* Fill vtbl last to prevent accidentally calling virtual function during
1619 dri2_dpy
->vtbl
= &dri2_x11_display_vtbl
;
1621 _eglLog(_EGL_INFO
, "Using DRI2");
1626 dri2_display_destroy(disp
);
1631 dri2_initialize_x11(_EGLDriver
*drv
, _EGLDisplay
*disp
)
1633 EGLBoolean initialized
= EGL_FALSE
;
1635 if (!disp
->Options
.ForceSoftware
) {
1637 if (!env_var_as_boolean("LIBGL_DRI3_DISABLE", false))
1638 initialized
= dri2_initialize_x11_dri3(drv
, disp
);
1642 initialized
= dri2_initialize_x11_dri2(drv
, disp
);
1646 initialized
= dri2_initialize_x11_swrast(drv
, disp
);
1652 dri2_teardown_x11(struct dri2_egl_display
*dri2_dpy
)
1654 if (dri2_dpy
->own_device
)
1655 xcb_disconnect(dri2_dpy
->conn
);