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>
34 #include <sys/types.h>
40 #include "egl_dri2_fallbacks.h"
43 static struct gbm_bo
*
44 lock_front_buffer(struct gbm_surface
*_surf
)
46 struct gbm_dri_surface
*surf
= (struct gbm_dri_surface
*) _surf
;
47 struct dri2_egl_surface
*dri2_surf
= surf
->dri_private
;
48 struct gbm_dri_device
*device
= (struct gbm_dri_device
*) _surf
->gbm
;
51 if (dri2_surf
->current
== NULL
) {
52 _eglError(EGL_BAD_SURFACE
, "no front buffer");
56 bo
= dri2_surf
->current
->bo
;
59 dri2_surf
->current
->locked
= true;
60 dri2_surf
->current
= NULL
;
67 release_buffer(struct gbm_surface
*_surf
, struct gbm_bo
*bo
)
69 struct gbm_dri_surface
*surf
= (struct gbm_dri_surface
*) _surf
;
70 struct dri2_egl_surface
*dri2_surf
= surf
->dri_private
;
73 for (i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++) {
74 if (dri2_surf
->color_buffers
[i
].bo
== bo
) {
75 dri2_surf
->color_buffers
[i
].locked
= false;
81 has_free_buffers(struct gbm_surface
*_surf
)
83 struct gbm_dri_surface
*surf
= (struct gbm_dri_surface
*) _surf
;
84 struct dri2_egl_surface
*dri2_surf
= surf
->dri_private
;
87 for (i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++)
88 if (!dri2_surf
->color_buffers
[i
].locked
)
95 dri2_drm_create_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
, EGLint type
,
96 _EGLConfig
*conf
, void *native_window
,
97 const EGLint
*attrib_list
)
99 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
100 struct dri2_egl_config
*dri2_conf
= dri2_egl_config(conf
);
101 struct dri2_egl_surface
*dri2_surf
;
102 struct gbm_surface
*window
= native_window
;
103 struct gbm_dri_surface
*surf
;
104 const __DRIconfig
*config
;
108 dri2_surf
= calloc(1, sizeof *dri2_surf
);
110 _eglError(EGL_BAD_ALLOC
, "dri2_create_surface");
114 if (!_eglInitSurface(&dri2_surf
->base
, disp
, type
, conf
, attrib_list
))
120 _eglError(EGL_BAD_NATIVE_WINDOW
, "dri2_create_surface");
124 surf
= gbm_dri_surface(window
);
125 dri2_surf
->gbm_surf
= surf
;
126 dri2_surf
->base
.Width
= surf
->base
.width
;
127 dri2_surf
->base
.Height
= surf
->base
.height
;
128 surf
->dri_private
= dri2_surf
;
134 config
= dri2_get_dri_config(dri2_conf
, EGL_WINDOW_BIT
,
135 dri2_surf
->base
.GLColorspace
);
137 if (dri2_dpy
->dri2
) {
138 dri2_surf
->dri_drawable
=
139 dri2_dpy
->dri2
->createNewDrawable(dri2_dpy
->dri_screen
, config
,
140 dri2_surf
->gbm_surf
);
143 assert(dri2_dpy
->swrast
!= NULL
);
145 dri2_surf
->dri_drawable
=
146 dri2_dpy
->swrast
->createNewDrawable(dri2_dpy
->dri_screen
, config
,
147 dri2_surf
->gbm_surf
);
150 if (dri2_surf
->dri_drawable
== NULL
) {
151 _eglError(EGL_BAD_ALLOC
, "createNewDrawable()");
155 return &dri2_surf
->base
;
164 dri2_drm_create_window_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
165 _EGLConfig
*conf
, void *native_window
,
166 const EGLint
*attrib_list
)
168 return dri2_drm_create_surface(drv
, disp
, EGL_WINDOW_BIT
, conf
,
169 native_window
, attrib_list
);
173 dri2_drm_create_pixmap_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
174 _EGLConfig
*conf
, void *native_window
,
175 const EGLint
*attrib_list
)
177 /* From the EGL_MESA_platform_gbm spec, version 5:
179 * It is not valid to call eglCreatePlatformPixmapSurfaceEXT with a <dpy>
180 * that belongs to the GBM platform. Any such call fails and generates
183 _eglError(EGL_BAD_PARAMETER
, "cannot create EGL pixmap surfaces on GBM");
188 dri2_drm_destroy_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
)
190 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
191 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
194 dri2_dpy
->core
->destroyDrawable(dri2_surf
->dri_drawable
);
196 for (i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++) {
197 if (dri2_surf
->color_buffers
[i
].bo
)
198 gbm_bo_destroy(dri2_surf
->color_buffers
[i
].bo
);
201 for (i
= 0; i
< __DRI_BUFFER_COUNT
; i
++) {
202 if (dri2_surf
->dri_buffers
[i
])
203 dri2_dpy
->dri2
->releaseBuffer(dri2_dpy
->dri_screen
,
204 dri2_surf
->dri_buffers
[i
]);
213 get_back_bo(struct dri2_egl_surface
*dri2_surf
)
215 struct dri2_egl_display
*dri2_dpy
=
216 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
217 struct gbm_dri_surface
*surf
= dri2_surf
->gbm_surf
;
221 if (dri2_surf
->back
== NULL
) {
222 for (i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++) {
223 if (!dri2_surf
->color_buffers
[i
].locked
&&
224 dri2_surf
->color_buffers
[i
].age
>= age
) {
225 dri2_surf
->back
= &dri2_surf
->color_buffers
[i
];
226 age
= dri2_surf
->color_buffers
[i
].age
;
231 if (dri2_surf
->back
== NULL
)
233 if (dri2_surf
->back
->bo
== NULL
) {
234 if (surf
->base
.modifiers
)
235 dri2_surf
->back
->bo
= gbm_bo_create_with_modifiers(&dri2_dpy
->gbm_dri
->base
,
236 surf
->base
.width
, surf
->base
.height
,
238 surf
->base
.modifiers
,
241 dri2_surf
->back
->bo
= gbm_bo_create(&dri2_dpy
->gbm_dri
->base
,
248 if (dri2_surf
->back
->bo
== NULL
)
255 get_swrast_front_bo(struct dri2_egl_surface
*dri2_surf
)
257 struct dri2_egl_display
*dri2_dpy
=
258 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
259 struct gbm_dri_surface
*surf
= dri2_surf
->gbm_surf
;
261 if (dri2_surf
->current
== NULL
) {
262 assert(!dri2_surf
->color_buffers
[0].locked
);
263 dri2_surf
->current
= &dri2_surf
->color_buffers
[0];
266 if (dri2_surf
->current
->bo
== NULL
)
267 dri2_surf
->current
->bo
= gbm_bo_create(&dri2_dpy
->gbm_dri
->base
,
268 surf
->base
.width
, surf
->base
.height
,
269 surf
->base
.format
, surf
->base
.flags
);
270 if (dri2_surf
->current
->bo
== NULL
)
277 back_bo_to_dri_buffer(struct dri2_egl_surface
*dri2_surf
, __DRIbuffer
*buffer
)
279 struct dri2_egl_display
*dri2_dpy
=
280 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
281 struct gbm_dri_bo
*bo
;
284 bo
= (struct gbm_dri_bo
*) dri2_surf
->back
->bo
;
286 dri2_dpy
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_NAME
, &name
);
287 dri2_dpy
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_STRIDE
, &pitch
);
289 buffer
->attachment
= __DRI_BUFFER_BACK_LEFT
;
291 buffer
->pitch
= pitch
;
297 get_aux_bo(struct dri2_egl_surface
*dri2_surf
,
298 unsigned int attachment
, unsigned int format
, __DRIbuffer
*buffer
)
300 struct dri2_egl_display
*dri2_dpy
=
301 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
302 __DRIbuffer
*b
= dri2_surf
->dri_buffers
[attachment
];
305 b
= dri2_dpy
->dri2
->allocateBuffer(dri2_dpy
->dri_screen
,
307 dri2_surf
->base
.Width
,
308 dri2_surf
->base
.Height
);
309 dri2_surf
->dri_buffers
[attachment
] = b
;
314 memcpy(buffer
, b
, sizeof *buffer
);
320 dri2_drm_get_buffers_with_format(__DRIdrawable
*driDrawable
,
321 int *width
, int *height
,
322 unsigned int *attachments
, int count
,
323 int *out_count
, void *loaderPrivate
)
325 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
328 dri2_surf
->buffer_count
= 0;
329 for (i
= 0, j
= 0; i
< 2 * count
; i
+= 2, j
++) {
330 assert(attachments
[i
] < __DRI_BUFFER_COUNT
);
331 assert(dri2_surf
->buffer_count
< 5);
333 switch (attachments
[i
]) {
334 case __DRI_BUFFER_BACK_LEFT
:
335 if (get_back_bo(dri2_surf
) < 0) {
336 _eglError(EGL_BAD_ALLOC
, "failed to allocate color buffer");
339 back_bo_to_dri_buffer(dri2_surf
, &dri2_surf
->buffers
[j
]);
342 if (get_aux_bo(dri2_surf
, attachments
[i
], attachments
[i
+ 1],
343 &dri2_surf
->buffers
[j
]) < 0) {
344 _eglError(EGL_BAD_ALLOC
, "failed to allocate aux buffer");
355 *width
= dri2_surf
->base
.Width
;
356 *height
= dri2_surf
->base
.Height
;
358 return dri2_surf
->buffers
;
362 dri2_drm_get_buffers(__DRIdrawable
* driDrawable
,
363 int *width
, int *height
,
364 unsigned int *attachments
, int count
,
365 int *out_count
, void *loaderPrivate
)
367 unsigned int *attachments_with_format
;
369 const unsigned int format
= 32;
372 attachments_with_format
= calloc(count
, 2 * sizeof(unsigned int));
373 if (!attachments_with_format
) {
378 for (i
= 0; i
< count
; ++i
) {
379 attachments_with_format
[2*i
] = attachments
[i
];
380 attachments_with_format
[2*i
+ 1] = format
;
384 dri2_drm_get_buffers_with_format(driDrawable
,
386 attachments_with_format
, count
,
387 out_count
, loaderPrivate
);
389 free(attachments_with_format
);
395 dri2_drm_image_get_buffers(__DRIdrawable
*driDrawable
,
399 uint32_t buffer_mask
,
400 struct __DRIimageList
*buffers
)
402 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
403 struct gbm_dri_bo
*bo
;
405 if (get_back_bo(dri2_surf
) < 0)
408 bo
= (struct gbm_dri_bo
*) dri2_surf
->back
->bo
;
409 buffers
->image_mask
= __DRI_IMAGE_BUFFER_BACK
;
410 buffers
->back
= bo
->image
;
416 dri2_drm_flush_front_buffer(__DRIdrawable
* driDrawable
, void *loaderPrivate
)
419 (void) loaderPrivate
;
423 dri2_drm_swap_buffers(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*draw
)
425 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
426 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(draw
);
429 if (!dri2_dpy
->flush
) {
430 dri2_dpy
->core
->swapBuffers(dri2_surf
->dri_drawable
);
434 if (dri2_surf
->base
.Type
== EGL_WINDOW_BIT
) {
435 if (dri2_surf
->current
)
436 _eglError(EGL_BAD_SURFACE
, "dri2_swap_buffers");
437 for (i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++)
438 if (dri2_surf
->color_buffers
[i
].age
> 0)
439 dri2_surf
->color_buffers
[i
].age
++;
441 /* Make sure we have a back buffer in case we're swapping without
443 if (get_back_bo(dri2_surf
) < 0) {
444 _eglError(EGL_BAD_ALLOC
, "dri2_swap_buffers");
448 dri2_surf
->current
= dri2_surf
->back
;
449 dri2_surf
->current
->age
= 1;
450 dri2_surf
->back
= NULL
;
453 dri2_flush_drawable_for_swapbuffers(disp
, draw
);
454 dri2_dpy
->flush
->invalidate(dri2_surf
->dri_drawable
);
460 dri2_drm_query_buffer_age(_EGLDriver
*drv
,
461 _EGLDisplay
*disp
, _EGLSurface
*surface
)
463 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surface
);
465 if (get_back_bo(dri2_surf
) < 0) {
466 _eglError(EGL_BAD_ALLOC
, "dri2_query_buffer_age");
470 return dri2_surf
->back
->age
;
474 dri2_drm_create_image_khr_pixmap(_EGLDisplay
*disp
, _EGLContext
*ctx
,
475 EGLClientBuffer buffer
, const EGLint
*attr_list
)
477 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
478 struct gbm_dri_bo
*dri_bo
= gbm_dri_bo((struct gbm_bo
*) buffer
);
479 struct dri2_egl_image
*dri2_img
;
481 dri2_img
= malloc(sizeof *dri2_img
);
483 _eglError(EGL_BAD_ALLOC
, "dri2_create_image_khr_pixmap");
487 if (!_eglInitImage(&dri2_img
->base
, disp
)) {
492 dri2_img
->dri_image
= dri2_dpy
->image
->dupImage(dri_bo
->image
, dri2_img
);
493 if (dri2_img
->dri_image
== NULL
) {
495 _eglError(EGL_BAD_ALLOC
, "dri2_create_image_khr_pixmap");
499 return &dri2_img
->base
;
503 dri2_drm_create_image_khr(_EGLDriver
*drv
, _EGLDisplay
*disp
,
504 _EGLContext
*ctx
, EGLenum target
,
505 EGLClientBuffer buffer
, const EGLint
*attr_list
)
510 case EGL_NATIVE_PIXMAP_KHR
:
511 return dri2_drm_create_image_khr_pixmap(disp
, ctx
, buffer
, attr_list
);
513 return dri2_create_image_khr(drv
, disp
, ctx
, target
, buffer
, attr_list
);
518 dri2_drm_authenticate(_EGLDisplay
*disp
, uint32_t id
)
520 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
522 return drmAuthMagic(dri2_dpy
->fd
, id
);
526 swrast_put_image2(__DRIdrawable
*driDrawable
,
536 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
537 int internal_stride
, i
;
538 struct gbm_dri_bo
*bo
;
540 if (op
!= __DRI_SWRAST_IMAGE_OP_DRAW
&&
541 op
!= __DRI_SWRAST_IMAGE_OP_SWAP
)
544 if (get_swrast_front_bo(dri2_surf
) < 0)
547 bo
= gbm_dri_bo(dri2_surf
->current
->bo
);
548 if (gbm_dri_bo_map_dumb(bo
) == NULL
)
551 internal_stride
= bo
->base
.stride
;
553 for (i
= 0; i
< height
; i
++) {
554 memcpy(bo
->map
+ (x
+ i
) * internal_stride
+ y
,
555 data
+ i
* stride
, stride
);
558 gbm_dri_bo_unmap_dumb(bo
);
562 swrast_get_image(__DRIdrawable
*driDrawable
,
570 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
571 int internal_stride
, stride
, i
;
572 struct gbm_dri_bo
*bo
;
574 if (get_swrast_front_bo(dri2_surf
) < 0)
577 bo
= gbm_dri_bo(dri2_surf
->current
->bo
);
578 if (gbm_dri_bo_map_dumb(bo
) == NULL
)
581 internal_stride
= bo
->base
.stride
;
584 for (i
= 0; i
< height
; i
++) {
585 memcpy(data
+ i
* stride
,
586 bo
->map
+ (x
+ i
) * internal_stride
+ y
, stride
);
589 gbm_dri_bo_unmap_dumb(bo
);
593 drm_add_configs_for_visuals(_EGLDriver
*drv
, _EGLDisplay
*disp
)
595 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
596 static const struct {
598 unsigned int red_mask
;
599 unsigned int alpha_mask
;
601 { GBM_FORMAT_XRGB2101010
, 0x3ff00000, 0x00000000 },
602 { GBM_FORMAT_ARGB2101010
, 0x3ff00000, 0xc0000000 },
603 { GBM_FORMAT_XRGB8888
, 0x00ff0000, 0x00000000 },
604 { GBM_FORMAT_ARGB8888
, 0x00ff0000, 0xff000000 },
605 { GBM_FORMAT_RGB565
, 0x0000f800, 0x00000000 },
607 EGLint attr_list
[] = {
608 EGL_NATIVE_VISUAL_ID
, 0,
611 unsigned int format_count
[ARRAY_SIZE(visuals
)] = { 0 };
612 unsigned int count
, i
, j
;
615 for (i
= 0; dri2_dpy
->driver_configs
[i
]; i
++) {
616 unsigned int red
, alpha
;
618 dri2_dpy
->core
->getConfigAttrib(dri2_dpy
->driver_configs
[i
],
619 __DRI_ATTRIB_RED_MASK
, &red
);
620 dri2_dpy
->core
->getConfigAttrib(dri2_dpy
->driver_configs
[i
],
621 __DRI_ATTRIB_ALPHA_MASK
, &alpha
);
623 for (j
= 0; j
< ARRAY_SIZE(visuals
); j
++) {
624 struct dri2_egl_config
*dri2_conf
;
626 if (visuals
[j
].red_mask
!= red
|| visuals
[j
].alpha_mask
!= alpha
)
629 attr_list
[1] = visuals
[j
].format
;
631 dri2_conf
= dri2_add_config(disp
, dri2_dpy
->driver_configs
[i
],
632 count
+ 1, EGL_WINDOW_BIT
, attr_list
, NULL
);
640 for (i
= 0; i
< ARRAY_SIZE(format_count
); i
++) {
641 if (!format_count
[i
]) {
642 _eglLog(_EGL_DEBUG
, "No DRI config supports native format 0x%x",
650 static const struct dri2_egl_display_vtbl dri2_drm_display_vtbl
= {
651 .authenticate
= dri2_drm_authenticate
,
652 .create_window_surface
= dri2_drm_create_window_surface
,
653 .create_pixmap_surface
= dri2_drm_create_pixmap_surface
,
654 .create_pbuffer_surface
= dri2_fallback_create_pbuffer_surface
,
655 .destroy_surface
= dri2_drm_destroy_surface
,
656 .create_image
= dri2_drm_create_image_khr
,
657 .swap_interval
= dri2_fallback_swap_interval
,
658 .swap_buffers
= dri2_drm_swap_buffers
,
659 .swap_buffers_with_damage
= dri2_fallback_swap_buffers_with_damage
,
660 .swap_buffers_region
= dri2_fallback_swap_buffers_region
,
661 .set_damage_region
= dri2_fallback_set_damage_region
,
662 .post_sub_buffer
= dri2_fallback_post_sub_buffer
,
663 .copy_buffers
= dri2_fallback_copy_buffers
,
664 .query_buffer_age
= dri2_drm_query_buffer_age
,
665 .create_wayland_buffer_from_image
= dri2_fallback_create_wayland_buffer_from_image
,
666 .get_sync_values
= dri2_fallback_get_sync_values
,
667 .get_dri_drawable
= dri2_surface_get_dri_drawable
,
671 dri2_initialize_drm(_EGLDriver
*drv
, _EGLDisplay
*disp
)
673 struct dri2_egl_display
*dri2_dpy
;
674 struct gbm_device
*gbm
;
677 loader_set_logger(_eglLog
);
679 dri2_dpy
= calloc(1, sizeof *dri2_dpy
);
681 return _eglError(EGL_BAD_ALLOC
, "eglInitialize");
684 disp
->DriverData
= (void *) dri2_dpy
;
686 gbm
= disp
->PlatformDisplay
;
689 int n
= snprintf(buf
, sizeof(buf
), DRM_DEV_NAME
, DRM_DIR_NAME
, 0);
690 if (n
!= -1 && n
< sizeof(buf
))
691 dri2_dpy
->fd
= loader_open_device(buf
);
692 if (dri2_dpy
->fd
< 0)
693 dri2_dpy
->fd
= loader_open_device("/dev/dri/card0");
694 gbm
= gbm_create_device(dri2_dpy
->fd
);
696 err
= "DRI2: failed to create gbm device";
699 dri2_dpy
->own_device
= true;
701 dri2_dpy
->fd
= fcntl(gbm_device_get_fd(gbm
), F_DUPFD_CLOEXEC
, 3);
702 if (dri2_dpy
->fd
< 0) {
703 err
= "DRI2: failed to fcntl() existing gbm device";
708 if (strcmp(gbm_device_get_backend_name(gbm
), "drm") != 0) {
709 err
= "DRI2: gbm device using incorrect/incompatible backend";
713 dri2_dpy
->gbm_dri
= gbm_dri_device(gbm
);
714 dri2_dpy
->driver_name
= strdup(dri2_dpy
->gbm_dri
->driver_name
);
716 dri2_dpy
->dri_screen
= dri2_dpy
->gbm_dri
->screen
;
717 dri2_dpy
->core
= dri2_dpy
->gbm_dri
->core
;
718 dri2_dpy
->dri2
= dri2_dpy
->gbm_dri
->dri2
;
719 dri2_dpy
->swrast
= dri2_dpy
->gbm_dri
->swrast
;
720 dri2_dpy
->driver_configs
= dri2_dpy
->gbm_dri
->driver_configs
;
722 dri2_dpy
->gbm_dri
->lookup_image
= dri2_lookup_egl_image
;
723 dri2_dpy
->gbm_dri
->lookup_user_data
= disp
;
725 dri2_dpy
->gbm_dri
->get_buffers
= dri2_drm_get_buffers
;
726 dri2_dpy
->gbm_dri
->flush_front_buffer
= dri2_drm_flush_front_buffer
;
727 dri2_dpy
->gbm_dri
->get_buffers_with_format
= dri2_drm_get_buffers_with_format
;
728 dri2_dpy
->gbm_dri
->image_get_buffers
= dri2_drm_image_get_buffers
;
729 dri2_dpy
->gbm_dri
->swrast_put_image2
= swrast_put_image2
;
730 dri2_dpy
->gbm_dri
->swrast_get_image
= swrast_get_image
;
732 dri2_dpy
->gbm_dri
->base
.surface_lock_front_buffer
= lock_front_buffer
;
733 dri2_dpy
->gbm_dri
->base
.surface_release_buffer
= release_buffer
;
734 dri2_dpy
->gbm_dri
->base
.surface_has_free_buffers
= has_free_buffers
;
736 if (!dri2_setup_extensions(disp
)) {
737 err
= "DRI2: failed to find required DRI extensions";
741 dri2_setup_screen(disp
);
743 if (!drm_add_configs_for_visuals(drv
, disp
)) {
744 err
= "DRI2: failed to add configs";
748 disp
->Extensions
.KHR_image_pixmap
= EGL_TRUE
;
750 disp
->Extensions
.EXT_buffer_age
= EGL_TRUE
;
752 #ifdef HAVE_WAYLAND_PLATFORM
753 dri2_dpy
->device_name
= loader_get_device_name_for_fd(dri2_dpy
->fd
);
755 dri2_set_WL_bind_wayland_display(drv
, disp
);
757 /* Fill vtbl last to prevent accidentally calling virtual function during
760 dri2_dpy
->vtbl
= &dri2_drm_display_vtbl
;
765 dri2_display_destroy(disp
);
766 return _eglError(EGL_NOT_INITIALIZED
, err
);