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>
37 #include <sys/types.h>
43 swrastCreateDrawable(struct dri2_egl_display
* dri2_dpy
,
44 struct dri2_egl_surface
* dri2_surf
,
48 const uint32_t function
= GXcopy
;
52 dri2_surf
->gc
= xcb_generate_id(dri2_dpy
->conn
);
53 mask
= XCB_GC_FUNCTION
;
54 xcb_create_gc(dri2_dpy
->conn
, dri2_surf
->gc
, dri2_surf
->drawable
, mask
, &function
);
56 dri2_surf
->swapgc
= xcb_generate_id(dri2_dpy
->conn
);
57 mask
= XCB_GC_FUNCTION
| XCB_GC_GRAPHICS_EXPOSURES
;
60 xcb_create_gc(dri2_dpy
->conn
, dri2_surf
->swapgc
, dri2_surf
->drawable
, mask
, valgc
);
61 dri2_surf
->depth
= depth
;
65 dri2_surf
->bytes_per_pixel
= 4;
68 dri2_surf
->bytes_per_pixel
= 2;
71 dri2_surf
->bytes_per_pixel
= 1;
74 dri2_surf
->bytes_per_pixel
= 0;
77 _eglLog(_EGL_WARNING
, "unsupported depth %d", depth
);
82 swrastDestroyDrawable(struct dri2_egl_display
* dri2_dpy
,
83 struct dri2_egl_surface
* dri2_surf
)
85 xcb_free_gc(dri2_dpy
->conn
, dri2_surf
->gc
);
86 xcb_free_gc(dri2_dpy
->conn
, dri2_surf
->swapgc
);
90 swrastGetDrawableInfo(__DRIdrawable
* draw
,
91 int *x
, int *y
, int *w
, int *h
,
94 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
95 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
97 xcb_get_geometry_cookie_t cookie
;
98 xcb_get_geometry_reply_t
*reply
;
99 xcb_generic_error_t
*error
;
102 cookie
= xcb_get_geometry (dri2_dpy
->conn
, dri2_surf
->drawable
);
103 reply
= xcb_get_geometry_reply (dri2_dpy
->conn
, cookie
, &error
);
108 _eglLog(_EGL_WARNING
, "error in xcb_get_geometry");
118 swrastPutImage(__DRIdrawable
* draw
, int op
,
119 int x
, int y
, int w
, int h
,
120 char *data
, void *loaderPrivate
)
122 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
123 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
128 case __DRI_SWRAST_IMAGE_OP_DRAW
:
131 case __DRI_SWRAST_IMAGE_OP_SWAP
:
132 gc
= dri2_surf
->swapgc
;
138 xcb_put_image(dri2_dpy
->conn
, XCB_IMAGE_FORMAT_Z_PIXMAP
, dri2_surf
->drawable
,
139 gc
, w
, h
, x
, y
, 0, dri2_surf
->depth
,
140 w
*h
*dri2_surf
->bytes_per_pixel
, (const uint8_t *)data
);
144 swrastGetImage(__DRIdrawable
* read
,
145 int x
, int y
, int w
, int h
,
146 char *data
, void *loaderPrivate
)
148 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
149 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
151 xcb_get_image_cookie_t cookie
;
152 xcb_get_image_reply_t
*reply
;
153 xcb_generic_error_t
*error
;
155 cookie
= xcb_get_image (dri2_dpy
->conn
, XCB_IMAGE_FORMAT_Z_PIXMAP
,
156 dri2_surf
->drawable
, x
, y
, w
, h
, ~0);
157 reply
= xcb_get_image_reply (dri2_dpy
->conn
, cookie
, &error
);
162 _eglLog(_EGL_WARNING
, "error in xcb_get_image");
165 uint32_t bytes
= xcb_get_image_data_length(reply
);
166 uint8_t *idata
= xcb_get_image_data(reply
);
167 memcpy(data
, idata
, bytes
);
174 * Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface().
177 dri2_create_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
, EGLint type
,
178 _EGLConfig
*conf
, EGLNativeWindowType window
,
179 const EGLint
*attrib_list
)
181 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
182 struct dri2_egl_config
*dri2_conf
= dri2_egl_config(conf
);
183 struct dri2_egl_surface
*dri2_surf
;
184 xcb_get_geometry_cookie_t cookie
;
185 xcb_get_geometry_reply_t
*reply
;
186 xcb_screen_iterator_t s
;
187 xcb_generic_error_t
*error
;
191 dri2_surf
= malloc(sizeof *dri2_surf
);
193 _eglError(EGL_BAD_ALLOC
, "dri2_create_surface");
197 if (!_eglInitSurface(&dri2_surf
->base
, disp
, type
, conf
, attrib_list
))
200 dri2_surf
->region
= XCB_NONE
;
201 if (type
== EGL_PBUFFER_BIT
) {
202 dri2_surf
->drawable
= xcb_generate_id(dri2_dpy
->conn
);
203 s
= xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy
->conn
));
204 xcb_create_pixmap(dri2_dpy
->conn
, conf
->BufferSize
,
205 dri2_surf
->drawable
, s
.data
->root
,
206 dri2_surf
->base
.Width
, dri2_surf
->base
.Height
);
208 dri2_surf
->drawable
= window
;
211 if (dri2_dpy
->dri2
) {
212 dri2_surf
->dri_drawable
=
213 (*dri2_dpy
->dri2
->createNewDrawable
) (dri2_dpy
->dri_screen
,
214 type
== EGL_WINDOW_BIT
?
215 dri2_conf
->dri_double_config
:
216 dri2_conf
->dri_single_config
,
219 assert(dri2_dpy
->swrast
);
220 dri2_surf
->dri_drawable
=
221 (*dri2_dpy
->swrast
->createNewDrawable
) (dri2_dpy
->dri_screen
,
222 dri2_conf
->dri_double_config
,
226 if (dri2_surf
->dri_drawable
== NULL
) {
227 _eglError(EGL_BAD_ALLOC
, "dri2->createNewDrawable");
231 if (dri2_dpy
->dri2
) {
232 xcb_dri2_create_drawable (dri2_dpy
->conn
, dri2_surf
->drawable
);
234 swrastCreateDrawable(dri2_dpy
, dri2_surf
, _eglGetConfigKey(conf
, EGL_BUFFER_SIZE
));
237 if (type
!= EGL_PBUFFER_BIT
) {
238 cookie
= xcb_get_geometry (dri2_dpy
->conn
, dri2_surf
->drawable
);
239 reply
= xcb_get_geometry_reply (dri2_dpy
->conn
, cookie
, &error
);
240 if (reply
== NULL
|| error
!= NULL
) {
241 _eglError(EGL_BAD_ALLOC
, "xcb_get_geometry");
243 goto cleanup_dri_drawable
;
246 dri2_surf
->base
.Width
= reply
->width
;
247 dri2_surf
->base
.Height
= reply
->height
;
251 /* we always copy the back buffer to front */
252 dri2_surf
->base
.PostSubBufferSupportedNV
= EGL_TRUE
;
254 return &dri2_surf
->base
;
256 cleanup_dri_drawable
:
257 dri2_dpy
->core
->destroyDrawable(dri2_surf
->dri_drawable
);
259 if (type
== EGL_PBUFFER_BIT
)
260 xcb_free_pixmap(dri2_dpy
->conn
, dri2_surf
->drawable
);
268 * Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface().
271 dri2_create_window_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
272 _EGLConfig
*conf
, EGLNativeWindowType window
,
273 const EGLint
*attrib_list
)
275 return dri2_create_surface(drv
, disp
, EGL_WINDOW_BIT
, conf
,
276 window
, attrib_list
);
280 dri2_create_pixmap_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
281 _EGLConfig
*conf
, EGLNativePixmapType pixmap
,
282 const EGLint
*attrib_list
)
284 return dri2_create_surface(drv
, disp
, EGL_PIXMAP_BIT
, conf
,
285 pixmap
, attrib_list
);
289 dri2_create_pbuffer_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
290 _EGLConfig
*conf
, const EGLint
*attrib_list
)
292 return dri2_create_surface(drv
, disp
, EGL_PBUFFER_BIT
, conf
,
293 XCB_WINDOW_NONE
, attrib_list
);
297 dri2_destroy_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
)
299 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
300 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
304 if (!_eglPutSurface(surf
))
307 (*dri2_dpy
->core
->destroyDrawable
)(dri2_surf
->dri_drawable
);
309 if (dri2_dpy
->dri2
) {
310 xcb_dri2_destroy_drawable (dri2_dpy
->conn
, dri2_surf
->drawable
);
312 assert(dri2_dpy
->swrast
);
313 swrastDestroyDrawable(dri2_dpy
, dri2_surf
);
316 if (surf
->Type
== EGL_PBUFFER_BIT
)
317 xcb_free_pixmap (dri2_dpy
->conn
, dri2_surf
->drawable
);
325 * Process list of buffer received from the server
327 * Processes the list of buffers received in a reply from the server to either
328 * \c DRI2GetBuffers or \c DRI2GetBuffersWithFormat.
331 dri2_process_buffers(struct dri2_egl_surface
*dri2_surf
,
332 xcb_dri2_dri2_buffer_t
*buffers
, unsigned count
)
334 struct dri2_egl_display
*dri2_dpy
=
335 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
336 xcb_rectangle_t rectangle
;
339 dri2_surf
->buffer_count
= count
;
340 dri2_surf
->have_fake_front
= 0;
342 /* This assumes the DRI2 buffer attachment tokens matches the
343 * __DRIbuffer tokens. */
344 for (i
= 0; i
< count
; i
++) {
345 dri2_surf
->buffers
[i
].attachment
= buffers
[i
].attachment
;
346 dri2_surf
->buffers
[i
].name
= buffers
[i
].name
;
347 dri2_surf
->buffers
[i
].pitch
= buffers
[i
].pitch
;
348 dri2_surf
->buffers
[i
].cpp
= buffers
[i
].cpp
;
349 dri2_surf
->buffers
[i
].flags
= buffers
[i
].flags
;
351 /* We only use the DRI drivers single buffer configs. This
352 * means that if we try to render to a window, DRI2 will give us
353 * the fake front buffer, which we'll use as a back buffer.
354 * Note that EGL doesn't require that several clients rendering
355 * to the same window must see the same aux buffers. */
356 if (dri2_surf
->buffers
[i
].attachment
== __DRI_BUFFER_FAKE_FRONT_LEFT
)
357 dri2_surf
->have_fake_front
= 1;
360 if (dri2_surf
->region
!= XCB_NONE
)
361 xcb_xfixes_destroy_region(dri2_dpy
->conn
, dri2_surf
->region
);
365 rectangle
.width
= dri2_surf
->base
.Width
;
366 rectangle
.height
= dri2_surf
->base
.Height
;
367 dri2_surf
->region
= xcb_generate_id(dri2_dpy
->conn
);
368 xcb_xfixes_create_region(dri2_dpy
->conn
, dri2_surf
->region
, 1, &rectangle
);
372 dri2_get_buffers(__DRIdrawable
* driDrawable
,
373 int *width
, int *height
,
374 unsigned int *attachments
, int count
,
375 int *out_count
, void *loaderPrivate
)
377 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
378 struct dri2_egl_display
*dri2_dpy
=
379 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
380 xcb_dri2_dri2_buffer_t
*buffers
;
381 xcb_dri2_get_buffers_reply_t
*reply
;
382 xcb_dri2_get_buffers_cookie_t cookie
;
386 cookie
= xcb_dri2_get_buffers_unchecked (dri2_dpy
->conn
,
388 count
, count
, attachments
);
389 reply
= xcb_dri2_get_buffers_reply (dri2_dpy
->conn
, cookie
, NULL
);
390 buffers
= xcb_dri2_get_buffers_buffers (reply
);
394 *out_count
= reply
->count
;
395 dri2_surf
->base
.Width
= *width
= reply
->width
;
396 dri2_surf
->base
.Height
= *height
= reply
->height
;
397 dri2_process_buffers(dri2_surf
, buffers
, *out_count
);
401 return dri2_surf
->buffers
;
405 dri2_get_buffers_with_format(__DRIdrawable
* driDrawable
,
406 int *width
, int *height
,
407 unsigned int *attachments
, int count
,
408 int *out_count
, void *loaderPrivate
)
410 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
411 struct dri2_egl_display
*dri2_dpy
=
412 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
413 xcb_dri2_dri2_buffer_t
*buffers
;
414 xcb_dri2_get_buffers_with_format_reply_t
*reply
;
415 xcb_dri2_get_buffers_with_format_cookie_t cookie
;
416 xcb_dri2_attach_format_t
*format_attachments
;
420 format_attachments
= (xcb_dri2_attach_format_t
*) attachments
;
421 cookie
= xcb_dri2_get_buffers_with_format_unchecked (dri2_dpy
->conn
,
426 reply
= xcb_dri2_get_buffers_with_format_reply (dri2_dpy
->conn
,
431 buffers
= xcb_dri2_get_buffers_with_format_buffers (reply
);
432 dri2_surf
->base
.Width
= *width
= reply
->width
;
433 dri2_surf
->base
.Height
= *height
= reply
->height
;
434 *out_count
= reply
->count
;
435 dri2_process_buffers(dri2_surf
, buffers
, *out_count
);
439 return dri2_surf
->buffers
;
443 dri2_flush_front_buffer(__DRIdrawable
* driDrawable
, void *loaderPrivate
)
447 /* FIXME: Does EGL support front buffer rendering at all? */
450 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
452 dri2WaitGL(dri2_surf
);
454 (void) loaderPrivate
;
459 dri2_strndup(const char *s
, int length
)
463 d
= malloc(length
+ 1);
467 memcpy(d
, s
, length
);
474 dri2_connect(struct dri2_egl_display
*dri2_dpy
)
476 xcb_xfixes_query_version_reply_t
*xfixes_query
;
477 xcb_xfixes_query_version_cookie_t xfixes_query_cookie
;
478 xcb_dri2_query_version_reply_t
*dri2_query
;
479 xcb_dri2_query_version_cookie_t dri2_query_cookie
;
480 xcb_dri2_connect_reply_t
*connect
;
481 xcb_dri2_connect_cookie_t connect_cookie
;
482 xcb_generic_error_t
*error
;
483 xcb_screen_iterator_t s
;
484 char *driver_name
, *device_name
;
485 const xcb_query_extension_reply_t
*extension
;
487 xcb_prefetch_extension_data (dri2_dpy
->conn
, &xcb_xfixes_id
);
488 xcb_prefetch_extension_data (dri2_dpy
->conn
, &xcb_dri2_id
);
490 extension
= xcb_get_extension_data(dri2_dpy
->conn
, &xcb_xfixes_id
);
491 if (!(extension
&& extension
->present
))
494 extension
= xcb_get_extension_data(dri2_dpy
->conn
, &xcb_dri2_id
);
495 if (!(extension
&& extension
->present
))
498 xfixes_query_cookie
= xcb_xfixes_query_version(dri2_dpy
->conn
,
499 XCB_XFIXES_MAJOR_VERSION
,
500 XCB_XFIXES_MINOR_VERSION
);
502 dri2_query_cookie
= xcb_dri2_query_version (dri2_dpy
->conn
,
503 XCB_DRI2_MAJOR_VERSION
,
504 XCB_DRI2_MINOR_VERSION
);
506 s
= xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy
->conn
));
507 connect_cookie
= xcb_dri2_connect_unchecked (dri2_dpy
->conn
,
509 XCB_DRI2_DRIVER_TYPE_DRI
);
512 xcb_xfixes_query_version_reply (dri2_dpy
->conn
,
513 xfixes_query_cookie
, &error
);
514 if (xfixes_query
== NULL
||
515 error
!= NULL
|| xfixes_query
->major_version
< 2) {
516 _eglLog(_EGL_WARNING
, "DRI2: failed to query xfixes version");
523 xcb_dri2_query_version_reply (dri2_dpy
->conn
, dri2_query_cookie
, &error
);
524 if (dri2_query
== NULL
|| error
!= NULL
) {
525 _eglLog(_EGL_WARNING
, "DRI2: failed to query version");
529 dri2_dpy
->dri2_major
= dri2_query
->major_version
;
530 dri2_dpy
->dri2_minor
= dri2_query
->minor_version
;
533 connect
= xcb_dri2_connect_reply (dri2_dpy
->conn
, connect_cookie
, NULL
);
534 if (connect
== NULL
||
535 connect
->driver_name_length
+ connect
->device_name_length
== 0) {
536 _eglLog(_EGL_WARNING
, "DRI2: failed to authenticate");
540 driver_name
= xcb_dri2_connect_driver_name (connect
);
541 dri2_dpy
->driver_name
=
542 dri2_strndup(driver_name
,
543 xcb_dri2_connect_driver_name_length (connect
));
545 #if XCB_DRI2_CONNECT_DEVICE_NAME_BROKEN
546 device_name
= driver_name
+ ((connect
->driver_name_length
+ 3) & ~3);
548 device_name
= xcb_dri2_connect_device_name (connect
);
551 dri2_dpy
->device_name
=
552 dri2_strndup(device_name
,
553 xcb_dri2_connect_device_name_length (connect
));
555 if (dri2_dpy
->device_name
== NULL
|| dri2_dpy
->driver_name
== NULL
) {
556 free(dri2_dpy
->device_name
);
557 free(dri2_dpy
->driver_name
);
567 dri2_x11_authenticate(_EGLDisplay
*disp
, uint32_t id
)
569 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
570 xcb_dri2_authenticate_reply_t
*authenticate
;
571 xcb_dri2_authenticate_cookie_t authenticate_cookie
;
572 xcb_screen_iterator_t s
;
575 s
= xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy
->conn
));
576 authenticate_cookie
=
577 xcb_dri2_authenticate_unchecked(dri2_dpy
->conn
, s
.data
->root
, id
);
579 xcb_dri2_authenticate_reply(dri2_dpy
->conn
, authenticate_cookie
, NULL
);
581 if (authenticate
== NULL
|| !authenticate
->authenticated
)
591 dri2_authenticate(_EGLDisplay
*disp
)
593 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
596 if (drmGetMagic(dri2_dpy
->fd
, &magic
)) {
597 _eglLog(_EGL_WARNING
, "DRI2: failed to get drm magic");
601 if (dri2_x11_authenticate(disp
, magic
) < 0) {
602 _eglLog(_EGL_WARNING
, "DRI2: failed to authenticate");
610 dri2_add_configs_for_visuals(struct dri2_egl_display
*dri2_dpy
,
613 xcb_screen_iterator_t s
;
614 xcb_depth_iterator_t d
;
615 xcb_visualtype_t
*visuals
;
618 EGLint config_attrs
[] = {
619 EGL_NATIVE_VISUAL_ID
, 0,
620 EGL_NATIVE_VISUAL_TYPE
, 0,
624 s
= xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy
->conn
));
625 d
= xcb_screen_allowed_depths_iterator(s
.data
);
632 EGL_SWAP_BEHAVIOR_PRESERVED_BIT
;
635 EGLBoolean class_added
[6] = { 0, };
637 visuals
= xcb_depth_visuals(d
.data
);
638 for (i
= 0; i
< xcb_depth_visuals_length(d
.data
); i
++) {
639 if (class_added
[visuals
[i
]._class
])
642 class_added
[visuals
[i
]._class
] = EGL_TRUE
;
643 for (j
= 0; dri2_dpy
->driver_configs
[j
]; j
++) {
644 config_attrs
[1] = visuals
[i
].visual_id
;
645 config_attrs
[3] = visuals
[i
]._class
;
647 dri2_add_config(disp
, dri2_dpy
->driver_configs
[j
], id
++,
648 d
.data
->depth
, surface_type
, config_attrs
, NULL
);
655 if (!_eglGetArraySize(disp
->Configs
)) {
656 _eglLog(_EGL_WARNING
, "DRI2: failed to create any config");
664 dri2_copy_region(_EGLDriver
*drv
, _EGLDisplay
*disp
,
665 _EGLSurface
*draw
, xcb_xfixes_region_t region
)
667 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
668 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(draw
);
669 enum xcb_dri2_attachment_t render_attachment
;
670 xcb_dri2_copy_region_cookie_t cookie
;
672 /* No-op for a pixmap or pbuffer surface */
673 if (draw
->Type
== EGL_PIXMAP_BIT
|| draw
->Type
== EGL_PBUFFER_BIT
)
678 (*dri2_dpy
->flush
->flush
)(dri2_surf
->dri_drawable
);
681 if (dri2_surf
->have_fake_front
)
682 render_attachment
= XCB_DRI2_ATTACHMENT_BUFFER_FAKE_FRONT_LEFT
;
684 render_attachment
= XCB_DRI2_ATTACHMENT_BUFFER_BACK_LEFT
;
686 cookie
= xcb_dri2_copy_region_unchecked(dri2_dpy
->conn
,
689 XCB_DRI2_ATTACHMENT_BUFFER_FRONT_LEFT
,
691 free(xcb_dri2_copy_region_reply(dri2_dpy
->conn
, cookie
, NULL
));
697 dri2_swap_buffers_msc(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*draw
,
698 int64_t msc
, int64_t divisor
, int64_t remainder
)
700 #if XCB_DRI2_MINOR_VERSION >= 3
701 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
702 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(draw
);
703 uint32_t msc_hi
= msc
>> 32;
704 uint32_t msc_lo
= msc
& 0xffffffff;
705 uint32_t divisor_hi
= divisor
>> 32;
706 uint32_t divisor_lo
= divisor
& 0xffffffff;
707 uint32_t remainder_hi
= remainder
>> 32;
708 uint32_t remainder_lo
= remainder
& 0xffffffff;
709 xcb_dri2_swap_buffers_cookie_t cookie
;
710 xcb_dri2_swap_buffers_reply_t
*reply
;
711 int64_t swap_count
= -1;
713 /* No-op for a pixmap or pbuffer surface */
714 if (draw
->Type
== EGL_PIXMAP_BIT
|| draw
->Type
== EGL_PBUFFER_BIT
)
717 if (draw
->SwapBehavior
== EGL_BUFFER_PRESERVED
|| !dri2_dpy
->swap_available
)
718 return dri2_copy_region(drv
, disp
, draw
, dri2_surf
->region
) ? 0 : -1;
722 (*dri2_dpy
->flush
->flush
)(dri2_surf
->dri_drawable
);
725 cookie
= xcb_dri2_swap_buffers_unchecked(dri2_dpy
->conn
, dri2_surf
->drawable
,
726 msc_hi
, msc_lo
, divisor_hi
, divisor_lo
, remainder_hi
, remainder_lo
);
728 reply
= xcb_dri2_swap_buffers_reply(dri2_dpy
->conn
, cookie
, NULL
);
731 swap_count
= (((int64_t)reply
->swap_hi
) << 32) | reply
->swap_lo
;
735 #if __DRI2_FLUSH_VERSION >= 3
736 /* If the server doesn't send invalidate events */
737 if (dri2_dpy
->invalidate_available
&& dri2_dpy
->flush
&&
738 dri2_dpy
->flush
->base
.version
>= 3 && dri2_dpy
->flush
->invalidate
)
739 (*dri2_dpy
->flush
->invalidate
)(dri2_surf
->dri_drawable
);
743 #else /* XCB_DRI2_MINOR_VERSION >= 3 */
744 return dri2_copy_region(drv
, disp
, draw
, dri2_surf
->region
) ? 0 : -1;
749 dri2_flush_if_current(_EGLDriver
*drv
, _EGLSurface
*draw
)
751 struct dri2_egl_driver
*dri2_drv
= dri2_egl_driver(drv
);
752 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(draw
);
754 if (dri2_drv
->glFlush
) {
755 _EGLContext
*ctx
= _eglGetCurrentContext();
757 if (ctx
&& ctx
->DrawSurface
== &dri2_surf
->base
)
763 dri2_swap_buffers(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*draw
)
765 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
766 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(draw
);
768 if (dri2_dpy
->dri2
) {
769 dri2_flush_if_current(drv
, draw
);
771 return dri2_swap_buffers_msc(drv
, disp
, draw
, 0, 0, 0) != -1;
773 assert(dri2_dpy
->swrast
);
775 dri2_dpy
->core
->swapBuffers(dri2_surf
->dri_drawable
);
781 dri2_swap_buffers_region(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*draw
,
782 EGLint numRects
, const EGLint
*rects
)
784 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
785 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(draw
);
787 xcb_xfixes_region_t region
;
788 xcb_rectangle_t rectangles
[16];
791 dri2_flush_if_current(drv
, draw
);
793 if (numRects
> (int)ARRAY_SIZE(rectangles
))
794 return dri2_copy_region(drv
, disp
, draw
, dri2_surf
->region
);
796 /* FIXME: Invert y here? */
797 for (i
= 0; i
< numRects
; i
++) {
798 rectangles
[i
].x
= rects
[i
* 4];
799 rectangles
[i
].y
= rects
[i
* 4 + 1];
800 rectangles
[i
].width
= rects
[i
* 4 + 2];
801 rectangles
[i
].height
= rects
[i
* 4 + 3];
804 region
= xcb_generate_id(dri2_dpy
->conn
);
805 xcb_xfixes_create_region(dri2_dpy
->conn
, region
, numRects
, rectangles
);
806 ret
= dri2_copy_region(drv
, disp
, draw
, region
);
807 xcb_xfixes_destroy_region(dri2_dpy
->conn
, region
);
813 dri2_post_sub_buffer(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*draw
,
814 EGLint x
, EGLint y
, EGLint width
, EGLint height
)
816 const EGLint rect
[4] = { x
, draw
->Height
- y
- height
, width
, height
};
818 if (x
< 0 || y
< 0 || width
< 0 || height
< 0)
819 _eglError(EGL_BAD_PARAMETER
, "eglPostSubBufferNV");
821 return dri2_swap_buffers_region(drv
, disp
, draw
, 1, rect
);
825 dri2_swap_interval(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
, EGLint interval
)
827 #if XCB_DRI2_MINOR_VERSION >= 3
828 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
829 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
831 /* XXX Check vblank_mode here? */
833 if (interval
> surf
->Config
->MaxSwapInterval
)
834 interval
= surf
->Config
->MaxSwapInterval
;
835 else if (interval
< surf
->Config
->MinSwapInterval
)
836 interval
= surf
->Config
->MinSwapInterval
;
838 if (interval
!= surf
->SwapInterval
&& dri2_dpy
->swap_available
)
839 xcb_dri2_swap_interval(dri2_dpy
->conn
, dri2_surf
->drawable
, interval
);
841 surf
->SwapInterval
= interval
;
850 dri2_copy_buffers(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
,
851 EGLNativePixmapType target
)
853 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
854 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
859 (*dri2_dpy
->flush
->flush
)(dri2_surf
->dri_drawable
);
861 gc
= xcb_generate_id(dri2_dpy
->conn
);
862 xcb_create_gc(dri2_dpy
->conn
, gc
, target
, 0, NULL
);
863 xcb_copy_area(dri2_dpy
->conn
,
869 dri2_surf
->base
.Width
,
870 dri2_surf
->base
.Height
);
871 xcb_free_gc(dri2_dpy
->conn
, gc
);
877 dri2_create_image_khr_pixmap(_EGLDisplay
*disp
, _EGLContext
*ctx
,
878 EGLClientBuffer buffer
, const EGLint
*attr_list
)
880 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
881 struct dri2_egl_image
*dri2_img
;
882 unsigned int attachments
[1];
883 xcb_drawable_t drawable
;
884 xcb_dri2_get_buffers_cookie_t buffers_cookie
;
885 xcb_dri2_get_buffers_reply_t
*buffers_reply
;
886 xcb_dri2_dri2_buffer_t
*buffers
;
887 xcb_get_geometry_cookie_t geometry_cookie
;
888 xcb_get_geometry_reply_t
*geometry_reply
;
889 xcb_generic_error_t
*error
;
894 drawable
= (xcb_drawable_t
) (uintptr_t) buffer
;
895 xcb_dri2_create_drawable (dri2_dpy
->conn
, drawable
);
896 attachments
[0] = XCB_DRI2_ATTACHMENT_BUFFER_FRONT_LEFT
;
898 xcb_dri2_get_buffers_unchecked (dri2_dpy
->conn
,
899 drawable
, 1, 1, attachments
);
900 geometry_cookie
= xcb_get_geometry (dri2_dpy
->conn
, drawable
);
901 buffers_reply
= xcb_dri2_get_buffers_reply (dri2_dpy
->conn
,
902 buffers_cookie
, NULL
);
903 buffers
= xcb_dri2_get_buffers_buffers (buffers_reply
);
904 if (buffers
== NULL
) {
908 geometry_reply
= xcb_get_geometry_reply (dri2_dpy
->conn
,
909 geometry_cookie
, &error
);
910 if (geometry_reply
== NULL
|| error
!= NULL
) {
911 _eglError(EGL_BAD_ALLOC
, "xcb_get_geometry");
917 switch (geometry_reply
->depth
) {
919 format
= __DRI_IMAGE_FORMAT_RGB565
;
922 format
= __DRI_IMAGE_FORMAT_XRGB8888
;
925 format
= __DRI_IMAGE_FORMAT_ARGB8888
;
928 _eglError(EGL_BAD_PARAMETER
,
929 "dri2_create_image_khr: unsupported pixmap depth");
931 free(geometry_reply
);
935 dri2_img
= malloc(sizeof *dri2_img
);
938 free(geometry_reply
);
939 _eglError(EGL_BAD_ALLOC
, "dri2_create_image_khr");
940 return EGL_NO_IMAGE_KHR
;
943 if (!_eglInitImage(&dri2_img
->base
, disp
)) {
945 free(geometry_reply
);
947 return EGL_NO_IMAGE_KHR
;
950 stride
= buffers
[0].pitch
/ buffers
[0].cpp
;
951 dri2_img
->dri_image
=
952 dri2_dpy
->image
->createImageFromName(dri2_dpy
->dri_screen
,
953 buffers_reply
->width
,
954 buffers_reply
->height
,
961 free(geometry_reply
);
963 return &dri2_img
->base
;
967 dri2_x11_create_image_khr(_EGLDriver
*drv
, _EGLDisplay
*disp
,
968 _EGLContext
*ctx
, EGLenum target
,
969 EGLClientBuffer buffer
, const EGLint
*attr_list
)
974 case EGL_NATIVE_PIXMAP_KHR
:
975 return dri2_create_image_khr_pixmap(disp
, ctx
, buffer
, attr_list
);
977 return dri2_create_image_khr(drv
, disp
, ctx
, target
, buffer
, attr_list
);
982 dri2_initialize_x11_swrast(_EGLDriver
*drv
, _EGLDisplay
*disp
)
984 struct dri2_egl_display
*dri2_dpy
;
986 drv
->API
.CreateWindowSurface
= dri2_create_window_surface
;
987 drv
->API
.CreatePixmapSurface
= dri2_create_pixmap_surface
;
988 drv
->API
.CreatePbufferSurface
= dri2_create_pbuffer_surface
;
989 drv
->API
.DestroySurface
= dri2_destroy_surface
;
990 drv
->API
.SwapBuffers
= dri2_swap_buffers
;
991 drv
->API
.CopyBuffers
= dri2_copy_buffers
;
993 drv
->API
.SwapBuffersRegionNOK
= NULL
;
994 drv
->API
.CreateImageKHR
= NULL
;
995 drv
->API
.DestroyImageKHR
= NULL
;
996 drv
->API
.CreateDRMImageMESA
= NULL
;
997 drv
->API
.ExportDRMImageMESA
= NULL
;
999 dri2_dpy
= malloc(sizeof *dri2_dpy
);
1001 return _eglError(EGL_BAD_ALLOC
, "eglInitialize");
1003 memset(dri2_dpy
, 0, sizeof *dri2_dpy
);
1005 disp
->DriverData
= (void *) dri2_dpy
;
1006 if (disp
->PlatformDisplay
== NULL
) {
1007 dri2_dpy
->conn
= xcb_connect(0, 0);
1009 dri2_dpy
->conn
= XGetXCBConnection((Display
*) disp
->PlatformDisplay
);
1012 if (xcb_connection_has_error(dri2_dpy
->conn
)) {
1013 _eglLog(_EGL_WARNING
, "DRI2: xcb_connect failed");
1017 if (!dri2_load_driver_swrast(disp
))
1020 dri2_dpy
->swrast_loader_extension
.base
.name
= __DRI_SWRAST_LOADER
;
1021 dri2_dpy
->swrast_loader_extension
.base
.version
= __DRI_SWRAST_LOADER_VERSION
;
1022 dri2_dpy
->swrast_loader_extension
.getDrawableInfo
= swrastGetDrawableInfo
;
1023 dri2_dpy
->swrast_loader_extension
.putImage
= swrastPutImage
;
1024 dri2_dpy
->swrast_loader_extension
.getImage
= swrastGetImage
;
1026 dri2_dpy
->extensions
[0] = &dri2_dpy
->swrast_loader_extension
.base
;
1027 dri2_dpy
->extensions
[1] = NULL
;
1028 dri2_dpy
->extensions
[2] = NULL
;
1030 if (!dri2_create_screen(disp
))
1031 goto cleanup_driver
;
1033 if (dri2_dpy
->conn
) {
1034 if (!dri2_add_configs_for_visuals(dri2_dpy
, disp
))
1035 goto cleanup_configs
;
1038 /* we're supporting EGL 1.4 */
1039 disp
->VersionMajor
= 1;
1040 disp
->VersionMinor
= 4;
1045 _eglCleanupDisplay(disp
);
1046 dri2_dpy
->core
->destroyScreen(dri2_dpy
->dri_screen
);
1048 dlclose(dri2_dpy
->driver
);
1050 if (disp
->PlatformDisplay
== NULL
)
1051 xcb_disconnect(dri2_dpy
->conn
);
1060 dri2_initialize_x11_dri2(_EGLDriver
*drv
, _EGLDisplay
*disp
)
1062 struct dri2_egl_display
*dri2_dpy
;
1064 drv
->API
.CreateWindowSurface
= dri2_create_window_surface
;
1065 drv
->API
.CreatePixmapSurface
= dri2_create_pixmap_surface
;
1066 drv
->API
.CreatePbufferSurface
= dri2_create_pbuffer_surface
;
1067 drv
->API
.DestroySurface
= dri2_destroy_surface
;
1068 drv
->API
.SwapBuffers
= dri2_swap_buffers
;
1069 drv
->API
.CopyBuffers
= dri2_copy_buffers
;
1070 drv
->API
.CreateImageKHR
= dri2_x11_create_image_khr
;
1071 drv
->API
.SwapBuffersRegionNOK
= dri2_swap_buffers_region
;
1072 drv
->API
.PostSubBufferNV
= dri2_post_sub_buffer
;
1073 drv
->API
.SwapInterval
= dri2_swap_interval
;
1075 dri2_dpy
= malloc(sizeof *dri2_dpy
);
1077 return _eglError(EGL_BAD_ALLOC
, "eglInitialize");
1079 memset(dri2_dpy
, 0, sizeof *dri2_dpy
);
1081 disp
->DriverData
= (void *) dri2_dpy
;
1082 if (disp
->PlatformDisplay
== NULL
) {
1083 dri2_dpy
->conn
= xcb_connect(0, 0);
1085 dri2_dpy
->conn
= XGetXCBConnection((Display
*) disp
->PlatformDisplay
);
1088 if (xcb_connection_has_error(dri2_dpy
->conn
)) {
1089 _eglLog(_EGL_WARNING
, "DRI2: xcb_connect failed");
1093 if (dri2_dpy
->conn
) {
1094 if (!dri2_connect(dri2_dpy
))
1098 if (!dri2_load_driver(disp
))
1101 dri2_dpy
->fd
= open(dri2_dpy
->device_name
, O_RDWR
| O_CLOEXEC
);
1102 if (dri2_dpy
->fd
== -1) {
1103 _eglLog(_EGL_WARNING
,
1104 "DRI2: could not open %s (%s)", dri2_dpy
->device_name
,
1106 goto cleanup_driver
;
1109 if (dri2_dpy
->conn
) {
1110 if (!dri2_authenticate(disp
))
1114 if (dri2_dpy
->dri2_minor
>= 1) {
1115 dri2_dpy
->dri2_loader_extension
.base
.name
= __DRI_DRI2_LOADER
;
1116 dri2_dpy
->dri2_loader_extension
.base
.version
= 3;
1117 dri2_dpy
->dri2_loader_extension
.getBuffers
= dri2_get_buffers
;
1118 dri2_dpy
->dri2_loader_extension
.flushFrontBuffer
= dri2_flush_front_buffer
;
1119 dri2_dpy
->dri2_loader_extension
.getBuffersWithFormat
=
1120 dri2_get_buffers_with_format
;
1122 dri2_dpy
->dri2_loader_extension
.base
.name
= __DRI_DRI2_LOADER
;
1123 dri2_dpy
->dri2_loader_extension
.base
.version
= 2;
1124 dri2_dpy
->dri2_loader_extension
.getBuffers
= dri2_get_buffers
;
1125 dri2_dpy
->dri2_loader_extension
.flushFrontBuffer
= dri2_flush_front_buffer
;
1126 dri2_dpy
->dri2_loader_extension
.getBuffersWithFormat
= NULL
;
1129 dri2_dpy
->extensions
[0] = &dri2_dpy
->dri2_loader_extension
.base
;
1130 dri2_dpy
->extensions
[1] = &image_lookup_extension
.base
;
1131 dri2_dpy
->extensions
[2] = NULL
;
1133 dri2_dpy
->swap_available
= (dri2_dpy
->dri2_minor
>= 2);
1134 dri2_dpy
->invalidate_available
= (dri2_dpy
->dri2_minor
>= 3);
1136 if (!dri2_create_screen(disp
))
1139 if (dri2_dpy
->conn
) {
1140 if (!dri2_add_configs_for_visuals(dri2_dpy
, disp
))
1141 goto cleanup_configs
;
1144 disp
->Extensions
.KHR_image_pixmap
= EGL_TRUE
;
1145 disp
->Extensions
.NOK_swap_region
= EGL_TRUE
;
1146 disp
->Extensions
.NOK_texture_from_pixmap
= EGL_TRUE
;
1147 disp
->Extensions
.NV_post_sub_buffer
= EGL_TRUE
;
1149 #ifdef HAVE_WAYLAND_PLATFORM
1150 disp
->Extensions
.WL_bind_wayland_display
= EGL_TRUE
;
1152 dri2_dpy
->authenticate
= dri2_x11_authenticate
;
1154 /* we're supporting EGL 1.4 */
1155 disp
->VersionMajor
= 1;
1156 disp
->VersionMinor
= 4;
1161 _eglCleanupDisplay(disp
);
1162 dri2_dpy
->core
->destroyScreen(dri2_dpy
->dri_screen
);
1164 close(dri2_dpy
->fd
);
1166 dlclose(dri2_dpy
->driver
);
1168 if (disp
->PlatformDisplay
== NULL
)
1169 xcb_disconnect(dri2_dpy
->conn
);
1177 dri2_initialize_x11(_EGLDriver
*drv
, _EGLDisplay
*disp
)
1179 EGLBoolean initialized
= EGL_TRUE
;
1181 int x11_dri2_accel
= (getenv("LIBGL_ALWAYS_SOFTWARE") == NULL
);
1183 if (x11_dri2_accel
) {
1184 if (!dri2_initialize_x11_dri2(drv
, disp
)) {
1185 initialized
= dri2_initialize_x11_swrast(drv
, disp
);
1188 initialized
= dri2_initialize_x11_swrast(drv
, disp
);