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
= gbm_dri_surface(_surf
);
47 struct dri2_egl_surface
*dri2_surf
= surf
->dri_private
;
48 struct gbm_dri_device
*device
= 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
= gbm_dri_surface(_surf
);
70 struct dri2_egl_surface
*dri2_surf
= surf
->dri_private
;
72 for (unsigned i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++) {
73 if (dri2_surf
->color_buffers
[i
].bo
== bo
) {
74 dri2_surf
->color_buffers
[i
].locked
= false;
81 has_free_buffers(struct gbm_surface
*_surf
)
83 struct gbm_dri_surface
*surf
= gbm_dri_surface(_surf
);
84 struct dri2_egl_surface
*dri2_surf
= surf
->dri_private
;
86 for (unsigned i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++)
87 if (!dri2_surf
->color_buffers
[i
].locked
)
94 dri2_drm_config_is_compatible(struct dri2_egl_display
*dri2_dpy
,
95 const __DRIconfig
*config
,
96 struct gbm_surface
*surface
)
98 const struct gbm_dri_visual
*visual
= NULL
;
100 unsigned int sizes
[4];
104 /* Check that the EGLConfig being used to render to the surface is
105 * compatible with the surface format. Since mixing ARGB and XRGB of
106 * otherwise-compatible formats is relatively common, explicitly allow
109 dri2_get_shifts_and_sizes(dri2_dpy
->core
, config
, shifts
, sizes
);
111 dri2_get_render_type_float(dri2_dpy
->core
, config
, &is_float
);
113 for (i
= 0; i
< dri2_dpy
->gbm_dri
->num_visuals
; i
++) {
114 visual
= &dri2_dpy
->gbm_dri
->visual_table
[i
];
115 if (visual
->gbm_format
== surface
->format
)
119 if (i
== dri2_dpy
->gbm_dri
->num_visuals
)
122 if (shifts
[0] != visual
->rgba_shifts
.red
||
123 shifts
[1] != visual
->rgba_shifts
.green
||
124 shifts
[2] != visual
->rgba_shifts
.blue
||
125 (shifts
[3] > -1 && visual
->rgba_shifts
.alpha
> -1 &&
126 shifts
[3] != visual
->rgba_shifts
.alpha
) ||
127 sizes
[0] != visual
->rgba_sizes
.red
||
128 sizes
[1] != visual
->rgba_sizes
.green
||
129 sizes
[2] != visual
->rgba_sizes
.blue
||
130 (sizes
[3] > 0 && visual
->rgba_sizes
.alpha
> 0 &&
131 sizes
[3] != visual
->rgba_sizes
.alpha
) ||
132 is_float
!= visual
->is_float
) {
140 dri2_drm_create_window_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
141 _EGLConfig
*conf
, void *native_surface
,
142 const EGLint
*attrib_list
)
144 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
145 struct dri2_egl_config
*dri2_conf
= dri2_egl_config(conf
);
146 struct dri2_egl_surface
*dri2_surf
;
147 struct gbm_surface
*surface
= native_surface
;
148 struct gbm_dri_surface
*surf
;
149 const __DRIconfig
*config
;
153 dri2_surf
= calloc(1, sizeof *dri2_surf
);
155 _eglError(EGL_BAD_ALLOC
, "dri2_create_surface");
159 if (!dri2_init_surface(&dri2_surf
->base
, disp
, EGL_WINDOW_BIT
, conf
,
160 attrib_list
, false, native_surface
))
163 config
= dri2_get_dri_config(dri2_conf
, EGL_WINDOW_BIT
,
164 dri2_surf
->base
.GLColorspace
);
167 _eglError(EGL_BAD_MATCH
, "Unsupported surfacetype/colorspace configuration");
171 if (!dri2_drm_config_is_compatible(dri2_dpy
, config
, surface
)) {
172 _eglError(EGL_BAD_MATCH
, "EGL config not compatible with GBM format");
176 surf
= gbm_dri_surface(surface
);
177 dri2_surf
->gbm_surf
= surf
;
178 dri2_surf
->base
.Width
= surf
->base
.width
;
179 dri2_surf
->base
.Height
= surf
->base
.height
;
180 surf
->dri_private
= dri2_surf
;
182 if (!dri2_create_drawable(dri2_dpy
, config
, dri2_surf
, dri2_surf
->gbm_surf
))
185 return &dri2_surf
->base
;
194 dri2_drm_create_pixmap_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
195 _EGLConfig
*conf
, void *native_window
,
196 const EGLint
*attrib_list
)
198 /* From the EGL_MESA_platform_gbm spec, version 5:
200 * It is not valid to call eglCreatePlatformPixmapSurfaceEXT with a <dpy>
201 * that belongs to the GBM platform. Any such call fails and generates
204 _eglError(EGL_BAD_PARAMETER
, "cannot create EGL pixmap surfaces on GBM");
209 dri2_drm_destroy_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
)
211 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
212 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
214 dri2_dpy
->core
->destroyDrawable(dri2_surf
->dri_drawable
);
216 for (unsigned i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++) {
217 if (dri2_surf
->color_buffers
[i
].bo
)
218 gbm_bo_destroy(dri2_surf
->color_buffers
[i
].bo
);
221 dri2_egl_surface_free_local_buffers(dri2_surf
);
223 dri2_fini_surface(surf
);
230 get_back_bo(struct dri2_egl_surface
*dri2_surf
)
232 struct dri2_egl_display
*dri2_dpy
=
233 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
234 struct gbm_dri_surface
*surf
= dri2_surf
->gbm_surf
;
237 if (dri2_surf
->back
== NULL
) {
238 for (unsigned i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++) {
239 if (!dri2_surf
->color_buffers
[i
].locked
&&
240 dri2_surf
->color_buffers
[i
].age
>= age
) {
241 dri2_surf
->back
= &dri2_surf
->color_buffers
[i
];
242 age
= dri2_surf
->color_buffers
[i
].age
;
247 if (dri2_surf
->back
== NULL
)
249 if (dri2_surf
->back
->bo
== NULL
) {
250 if (surf
->base
.modifiers
)
251 dri2_surf
->back
->bo
= gbm_bo_create_with_modifiers(&dri2_dpy
->gbm_dri
->base
,
255 surf
->base
.modifiers
,
258 dri2_surf
->back
->bo
= gbm_bo_create(&dri2_dpy
->gbm_dri
->base
,
265 if (dri2_surf
->back
->bo
== NULL
)
272 get_swrast_front_bo(struct dri2_egl_surface
*dri2_surf
)
274 struct dri2_egl_display
*dri2_dpy
=
275 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
276 struct gbm_dri_surface
*surf
= dri2_surf
->gbm_surf
;
278 if (dri2_surf
->current
== NULL
) {
279 assert(!dri2_surf
->color_buffers
[0].locked
);
280 dri2_surf
->current
= &dri2_surf
->color_buffers
[0];
283 if (dri2_surf
->current
->bo
== NULL
)
284 dri2_surf
->current
->bo
= gbm_bo_create(&dri2_dpy
->gbm_dri
->base
,
285 surf
->base
.width
, surf
->base
.height
,
286 surf
->base
.format
, surf
->base
.flags
);
287 if (dri2_surf
->current
->bo
== NULL
)
294 back_bo_to_dri_buffer(struct dri2_egl_surface
*dri2_surf
, __DRIbuffer
*buffer
)
296 struct dri2_egl_display
*dri2_dpy
=
297 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
298 struct gbm_dri_bo
*bo
;
301 bo
= gbm_dri_bo(dri2_surf
->back
->bo
);
303 dri2_dpy
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_NAME
, &name
);
304 dri2_dpy
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_STRIDE
, &pitch
);
306 buffer
->attachment
= __DRI_BUFFER_BACK_LEFT
;
308 buffer
->pitch
= pitch
;
314 dri2_drm_get_buffers_with_format(__DRIdrawable
*driDrawable
,
315 int *width
, int *height
,
316 unsigned int *attachments
, int count
,
317 int *out_count
, void *loaderPrivate
)
319 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
322 for (i
= 0, j
= 0; i
< 2 * count
; i
+= 2, j
++) {
325 assert(attachments
[i
] < __DRI_BUFFER_COUNT
);
326 assert(j
< ARRAY_SIZE(dri2_surf
->buffers
));
328 switch (attachments
[i
]) {
329 case __DRI_BUFFER_BACK_LEFT
:
330 if (get_back_bo(dri2_surf
) < 0) {
331 _eglError(EGL_BAD_ALLOC
, "failed to allocate color buffer");
334 back_bo_to_dri_buffer(dri2_surf
, &dri2_surf
->buffers
[j
]);
337 local
= dri2_egl_surface_alloc_local_buffer(dri2_surf
, attachments
[i
],
341 _eglError(EGL_BAD_ALLOC
, "failed to allocate local buffer");
344 dri2_surf
->buffers
[j
] = *local
;
353 *width
= dri2_surf
->base
.Width
;
354 *height
= dri2_surf
->base
.Height
;
356 return dri2_surf
->buffers
;
360 dri2_drm_get_buffers(__DRIdrawable
* driDrawable
,
361 int *width
, int *height
,
362 unsigned int *attachments
, int count
,
363 int *out_count
, void *loaderPrivate
)
365 unsigned int *attachments_with_format
;
367 const unsigned int format
= 32;
369 attachments_with_format
= calloc(count
, 2 * sizeof(unsigned int));
370 if (!attachments_with_format
) {
375 for (int i
= 0; i
< count
; ++i
) {
376 attachments_with_format
[2*i
] = attachments
[i
];
377 attachments_with_format
[2*i
+ 1] = format
;
381 dri2_drm_get_buffers_with_format(driDrawable
,
383 attachments_with_format
, count
,
384 out_count
, loaderPrivate
);
386 free(attachments_with_format
);
392 dri2_drm_image_get_buffers(__DRIdrawable
*driDrawable
,
396 uint32_t buffer_mask
,
397 struct __DRIimageList
*buffers
)
399 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
400 struct gbm_dri_bo
*bo
;
402 if (get_back_bo(dri2_surf
) < 0)
405 bo
= gbm_dri_bo(dri2_surf
->back
->bo
);
406 buffers
->image_mask
= __DRI_IMAGE_BUFFER_BACK
;
407 buffers
->back
= bo
->image
;
413 dri2_drm_flush_front_buffer(__DRIdrawable
* driDrawable
, void *loaderPrivate
)
416 (void) loaderPrivate
;
420 dri2_drm_swap_buffers(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*draw
)
422 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
423 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(draw
);
425 if (!dri2_dpy
->flush
) {
426 dri2_dpy
->core
->swapBuffers(dri2_surf
->dri_drawable
);
430 if (dri2_surf
->current
)
431 _eglError(EGL_BAD_SURFACE
, "dri2_swap_buffers");
432 for (unsigned i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++)
433 if (dri2_surf
->color_buffers
[i
].age
> 0)
434 dri2_surf
->color_buffers
[i
].age
++;
436 /* Make sure we have a back buffer in case we're swapping without
438 if (get_back_bo(dri2_surf
) < 0)
439 return _eglError(EGL_BAD_ALLOC
, "dri2_swap_buffers");
441 dri2_surf
->current
= dri2_surf
->back
;
442 dri2_surf
->current
->age
= 1;
443 dri2_surf
->back
= NULL
;
445 dri2_flush_drawable_for_swapbuffers(disp
, draw
);
446 dri2_dpy
->flush
->invalidate(dri2_surf
->dri_drawable
);
452 dri2_drm_query_buffer_age(_EGLDriver
*drv
,
453 _EGLDisplay
*disp
, _EGLSurface
*surface
)
455 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surface
);
457 if (get_back_bo(dri2_surf
) < 0) {
458 _eglError(EGL_BAD_ALLOC
, "dri2_query_buffer_age");
462 return dri2_surf
->back
->age
;
466 dri2_drm_create_image_khr_pixmap(_EGLDisplay
*disp
, _EGLContext
*ctx
,
467 EGLClientBuffer buffer
, const EGLint
*attr_list
)
469 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
470 struct gbm_dri_bo
*dri_bo
= gbm_dri_bo((struct gbm_bo
*) buffer
);
471 struct dri2_egl_image
*dri2_img
;
473 dri2_img
= malloc(sizeof *dri2_img
);
475 _eglError(EGL_BAD_ALLOC
, "dri2_create_image_khr_pixmap");
479 _eglInitImage(&dri2_img
->base
, disp
);
481 dri2_img
->dri_image
= dri2_dpy
->image
->dupImage(dri_bo
->image
, dri2_img
);
482 if (dri2_img
->dri_image
== NULL
) {
484 _eglError(EGL_BAD_ALLOC
, "dri2_create_image_khr_pixmap");
488 return &dri2_img
->base
;
492 dri2_drm_create_image_khr(_EGLDriver
*drv
, _EGLDisplay
*disp
,
493 _EGLContext
*ctx
, EGLenum target
,
494 EGLClientBuffer buffer
, const EGLint
*attr_list
)
499 case EGL_NATIVE_PIXMAP_KHR
:
500 return dri2_drm_create_image_khr_pixmap(disp
, ctx
, buffer
, attr_list
);
502 return dri2_create_image_khr(drv
, disp
, ctx
, target
, buffer
, attr_list
);
507 dri2_drm_authenticate(_EGLDisplay
*disp
, uint32_t id
)
509 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
511 return drmAuthMagic(dri2_dpy
->fd
, id
);
515 swrast_put_image2(__DRIdrawable
*driDrawable
,
525 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
527 struct gbm_dri_bo
*bo
;
529 int x_bytes
, width_bytes
;
532 if (op
!= __DRI_SWRAST_IMAGE_OP_DRAW
&&
533 op
!= __DRI_SWRAST_IMAGE_OP_SWAP
)
536 if (get_swrast_front_bo(dri2_surf
) < 0)
539 bo
= gbm_dri_bo(dri2_surf
->current
->bo
);
541 bpp
= gbm_bo_get_bpp(&bo
->base
);
545 x_bytes
= x
* (bpp
>> 3);
546 width_bytes
= width
* (bpp
>> 3);
548 if (gbm_dri_bo_map_dumb(bo
) == NULL
)
551 internal_stride
= bo
->base
.stride
;
553 dst
= bo
->map
+ x_bytes
+ (y
* internal_stride
);
556 for (int i
= 0; i
< height
; i
++) {
557 memcpy(dst
, src
, width_bytes
);
558 dst
+= internal_stride
;
562 gbm_dri_bo_unmap_dumb(bo
);
566 swrast_get_image(__DRIdrawable
*driDrawable
,
574 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
575 int internal_stride
, stride
;
576 struct gbm_dri_bo
*bo
;
578 int x_bytes
, width_bytes
;
581 if (get_swrast_front_bo(dri2_surf
) < 0)
584 bo
= gbm_dri_bo(dri2_surf
->current
->bo
);
586 bpp
= gbm_bo_get_bpp(&bo
->base
);
590 x_bytes
= x
* (bpp
>> 3);
591 width_bytes
= width
* (bpp
>> 3);
593 internal_stride
= bo
->base
.stride
;
594 stride
= width_bytes
;
596 if (gbm_dri_bo_map_dumb(bo
) == NULL
)
600 src
= bo
->map
+ x_bytes
+ (y
* internal_stride
);
602 for (int i
= 0; i
< height
; i
++) {
603 memcpy(dst
, src
, width_bytes
);
605 src
+= internal_stride
;
608 gbm_dri_bo_unmap_dumb(bo
);
612 drm_add_configs_for_visuals(_EGLDriver
*drv
, _EGLDisplay
*disp
)
614 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
615 const struct gbm_dri_visual
*visuals
= dri2_dpy
->gbm_dri
->visual_table
;
616 int num_visuals
= dri2_dpy
->gbm_dri
->num_visuals
;
617 unsigned int format_count
[num_visuals
];
618 unsigned int config_count
= 0;
620 memset(format_count
, 0, num_visuals
* sizeof(unsigned int));
622 for (unsigned i
= 0; dri2_dpy
->driver_configs
[i
]; i
++) {
623 const __DRIconfig
*config
= dri2_dpy
->driver_configs
[i
];
625 unsigned int sizes
[4];
628 dri2_get_shifts_and_sizes(dri2_dpy
->core
, config
, shifts
, sizes
);
630 dri2_get_render_type_float(dri2_dpy
->core
, config
, &is_float
);
632 for (unsigned j
= 0; j
< num_visuals
; j
++) {
633 struct dri2_egl_config
*dri2_conf
;
635 if (visuals
[j
].rgba_shifts
.red
!= shifts
[0] ||
636 visuals
[j
].rgba_shifts
.green
!= shifts
[1] ||
637 visuals
[j
].rgba_shifts
.blue
!= shifts
[2] ||
638 visuals
[j
].rgba_shifts
.alpha
!= shifts
[3] ||
639 visuals
[j
].rgba_sizes
.red
!= sizes
[0] ||
640 visuals
[j
].rgba_sizes
.green
!= sizes
[1] ||
641 visuals
[j
].rgba_sizes
.blue
!= sizes
[2] ||
642 visuals
[j
].rgba_sizes
.alpha
!= sizes
[3] ||
643 visuals
[j
].is_float
!= is_float
)
646 const EGLint attr_list
[] = {
647 EGL_NATIVE_VISUAL_ID
, visuals
[j
].gbm_format
,
651 dri2_conf
= dri2_add_config(disp
, dri2_dpy
->driver_configs
[i
],
652 config_count
+ 1, EGL_WINDOW_BIT
, attr_list
, NULL
, NULL
);
654 if (dri2_conf
->base
.ConfigID
== config_count
+ 1)
661 for (unsigned i
= 0; i
< ARRAY_SIZE(format_count
); i
++) {
662 if (!format_count
[i
]) {
663 struct gbm_format_name_desc desc
;
664 _eglLog(_EGL_DEBUG
, "No DRI config supports native format %s",
665 gbm_format_get_name(visuals
[i
].gbm_format
, &desc
));
669 return (config_count
!= 0);
672 static const struct dri2_egl_display_vtbl dri2_drm_display_vtbl
= {
673 .authenticate
= dri2_drm_authenticate
,
674 .create_window_surface
= dri2_drm_create_window_surface
,
675 .create_pixmap_surface
= dri2_drm_create_pixmap_surface
,
676 .create_pbuffer_surface
= dri2_fallback_create_pbuffer_surface
,
677 .destroy_surface
= dri2_drm_destroy_surface
,
678 .create_image
= dri2_drm_create_image_khr
,
679 .swap_buffers
= dri2_drm_swap_buffers
,
680 .swap_buffers_with_damage
= dri2_fallback_swap_buffers_with_damage
,
681 .swap_buffers_region
= dri2_fallback_swap_buffers_region
,
682 .post_sub_buffer
= dri2_fallback_post_sub_buffer
,
683 .copy_buffers
= dri2_fallback_copy_buffers
,
684 .query_buffer_age
= dri2_drm_query_buffer_age
,
685 .create_wayland_buffer_from_image
= dri2_fallback_create_wayland_buffer_from_image
,
686 .get_sync_values
= dri2_fallback_get_sync_values
,
687 .get_dri_drawable
= dri2_surface_get_dri_drawable
,
691 dri2_initialize_drm(_EGLDriver
*drv
, _EGLDisplay
*disp
)
694 struct dri2_egl_display
*dri2_dpy
;
695 struct gbm_device
*gbm
;
698 /* Not supported yet */
699 if (disp
->Options
.ForceSoftware
)
702 dri2_dpy
= calloc(1, sizeof *dri2_dpy
);
704 return _eglError(EGL_BAD_ALLOC
, "eglInitialize");
707 disp
->DriverData
= (void *) dri2_dpy
;
709 gbm
= disp
->PlatformDisplay
;
712 int n
= snprintf(buf
, sizeof(buf
), DRM_DEV_NAME
, DRM_DIR_NAME
, 0);
713 if (n
!= -1 && n
< sizeof(buf
))
714 dri2_dpy
->fd
= loader_open_device(buf
);
715 gbm
= gbm_create_device(dri2_dpy
->fd
);
717 err
= "DRI2: failed to create gbm device";
720 dri2_dpy
->own_device
= true;
722 dri2_dpy
->fd
= fcntl(gbm_device_get_fd(gbm
), F_DUPFD_CLOEXEC
, 3);
723 if (dri2_dpy
->fd
< 0) {
724 err
= "DRI2: failed to fcntl() existing gbm device";
728 dri2_dpy
->gbm_dri
= gbm_dri_device(gbm
);
730 if (strcmp(gbm_device_get_backend_name(gbm
), "drm") != 0) {
731 err
= "DRI2: gbm device using incorrect/incompatible backend";
735 dev
= _eglAddDevice(dri2_dpy
->fd
, false);
737 err
= "DRI2: failed to find EGLDevice";
743 dri2_dpy
->driver_name
= strdup(dri2_dpy
->gbm_dri
->driver_name
);
744 dri2_dpy
->is_render_node
= drmGetNodeTypeFromFd(dri2_dpy
->fd
) == DRM_NODE_RENDER
;
746 /* render nodes cannot use Gem names, and thus do not support
747 * the __DRI_DRI2_LOADER extension */
748 if (!dri2_dpy
->is_render_node
) {
749 if (!dri2_load_driver(disp
)) {
750 err
= "DRI2: failed to load driver";
754 if (!dri2_load_driver_dri3(disp
)) {
755 err
= "DRI3: failed to load driver";
760 dri2_dpy
->dri_screen
= dri2_dpy
->gbm_dri
->screen
;
761 dri2_dpy
->core
= dri2_dpy
->gbm_dri
->core
;
762 dri2_dpy
->dri2
= dri2_dpy
->gbm_dri
->dri2
;
763 dri2_dpy
->swrast
= dri2_dpy
->gbm_dri
->swrast
;
764 dri2_dpy
->driver_configs
= dri2_dpy
->gbm_dri
->driver_configs
;
766 dri2_dpy
->gbm_dri
->lookup_image
= dri2_lookup_egl_image
;
767 dri2_dpy
->gbm_dri
->lookup_user_data
= disp
;
769 dri2_dpy
->gbm_dri
->get_buffers
= dri2_drm_get_buffers
;
770 dri2_dpy
->gbm_dri
->flush_front_buffer
= dri2_drm_flush_front_buffer
;
771 dri2_dpy
->gbm_dri
->get_buffers_with_format
= dri2_drm_get_buffers_with_format
;
772 dri2_dpy
->gbm_dri
->image_get_buffers
= dri2_drm_image_get_buffers
;
773 dri2_dpy
->gbm_dri
->swrast_put_image2
= swrast_put_image2
;
774 dri2_dpy
->gbm_dri
->swrast_get_image
= swrast_get_image
;
776 dri2_dpy
->gbm_dri
->base
.surface_lock_front_buffer
= lock_front_buffer
;
777 dri2_dpy
->gbm_dri
->base
.surface_release_buffer
= release_buffer
;
778 dri2_dpy
->gbm_dri
->base
.surface_has_free_buffers
= has_free_buffers
;
780 if (!dri2_setup_extensions(disp
)) {
781 err
= "DRI2: failed to find required DRI extensions";
785 dri2_setup_screen(disp
);
787 if (!drm_add_configs_for_visuals(drv
, disp
)) {
788 err
= "DRI2: failed to add configs";
792 disp
->Extensions
.KHR_image_pixmap
= EGL_TRUE
;
794 disp
->Extensions
.EXT_buffer_age
= EGL_TRUE
;
796 #ifdef HAVE_WAYLAND_PLATFORM
797 dri2_dpy
->device_name
= loader_get_device_name_for_fd(dri2_dpy
->fd
);
799 dri2_set_WL_bind_wayland_display(drv
, disp
);
801 /* Fill vtbl last to prevent accidentally calling virtual function during
804 dri2_dpy
->vtbl
= &dri2_drm_display_vtbl
;
809 dri2_display_destroy(disp
);
810 return _eglError(EGL_NOT_INITIALIZED
, err
);
814 dri2_teardown_drm(struct dri2_egl_display
*dri2_dpy
)
816 if (dri2_dpy
->own_device
)
817 gbm_device_destroy(&dri2_dpy
->gbm_dri
->base
);