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 * Benjamin Franzke <benjaminfranzke@googlemail.com>
36 #include <sys/types.h>
41 #include <GL/gl.h> /* dri_interface needs GL types */
42 #include <GL/internal/dri_interface.h>
44 #include "gbm_driint.h"
49 /* For importing wl_buffer */
50 #if HAVE_WAYLAND_PLATFORM
51 #include "../../../egl/wayland/wayland-drm/wayland-drm.h"
55 dri_lookup_egl_image(__DRIscreen
*screen
, void *image
, void *data
)
57 struct gbm_dri_device
*dri
= data
;
59 if (dri
->lookup_image
== NULL
)
62 return dri
->lookup_image(screen
, image
, dri
->lookup_user_data
);
66 dri_get_buffers(__DRIdrawable
* driDrawable
,
67 int *width
, int *height
,
68 unsigned int *attachments
, int count
,
69 int *out_count
, void *data
)
71 struct gbm_dri_surface
*surf
= data
;
72 struct gbm_dri_device
*dri
= gbm_dri_device(surf
->base
.gbm
);
74 if (dri
->get_buffers
== NULL
)
77 return dri
->get_buffers(driDrawable
, width
, height
, attachments
,
78 count
, out_count
, surf
->dri_private
);
82 dri_flush_front_buffer(__DRIdrawable
* driDrawable
, void *data
)
84 struct gbm_dri_surface
*surf
= data
;
85 struct gbm_dri_device
*dri
= gbm_dri_device(surf
->base
.gbm
);
87 if (dri
->flush_front_buffer
!= NULL
)
88 dri
->flush_front_buffer(driDrawable
, surf
->dri_private
);
92 dri_get_buffers_with_format(__DRIdrawable
* driDrawable
,
93 int *width
, int *height
,
94 unsigned int *attachments
, int count
,
95 int *out_count
, void *data
)
97 struct gbm_dri_surface
*surf
= data
;
98 struct gbm_dri_device
*dri
= gbm_dri_device(surf
->base
.gbm
);
100 if (dri
->get_buffers_with_format
== NULL
)
104 dri
->get_buffers_with_format(driDrawable
, width
, height
, attachments
,
105 count
, out_count
, surf
->dri_private
);
109 image_get_buffers(__DRIdrawable
*driDrawable
,
113 uint32_t buffer_mask
,
114 struct __DRIimageList
*buffers
)
116 struct gbm_dri_surface
*surf
= loaderPrivate
;
117 struct gbm_dri_device
*dri
= gbm_dri_device(surf
->base
.gbm
);
119 if (dri
->image_get_buffers
== NULL
)
122 return dri
->image_get_buffers(driDrawable
, format
, stamp
,
123 surf
->dri_private
, buffer_mask
, buffers
);
127 swrast_get_drawable_info(__DRIdrawable
*driDrawable
,
134 struct gbm_dri_surface
*surf
= loaderPrivate
;
138 *width
= surf
->base
.width
;
139 *height
= surf
->base
.height
;
143 swrast_put_image2(__DRIdrawable
*driDrawable
,
153 struct gbm_dri_surface
*surf
= loaderPrivate
;
154 struct gbm_dri_device
*dri
= gbm_dri_device(surf
->base
.gbm
);
156 dri
->swrast_put_image2(driDrawable
,
158 width
, height
, stride
,
159 data
, surf
->dri_private
);
163 swrast_put_image(__DRIdrawable
*driDrawable
,
172 return swrast_put_image2(driDrawable
, op
, x
, y
, width
, height
,
173 width
* 4, data
, loaderPrivate
);
177 swrast_get_image(__DRIdrawable
*driDrawable
,
185 struct gbm_dri_surface
*surf
= loaderPrivate
;
186 struct gbm_dri_device
*dri
= gbm_dri_device(surf
->base
.gbm
);
188 dri
->swrast_get_image(driDrawable
,
191 data
, surf
->dri_private
);
194 static const __DRIuseInvalidateExtension use_invalidate
= {
195 .base
= { __DRI_USE_INVALIDATE
, 1 }
198 static const __DRIimageLookupExtension image_lookup_extension
= {
199 .base
= { __DRI_IMAGE_LOOKUP
, 1 },
201 .lookupEGLImage
= dri_lookup_egl_image
204 static const __DRIdri2LoaderExtension dri2_loader_extension
= {
205 .base
= { __DRI_DRI2_LOADER
, 3 },
207 .getBuffers
= dri_get_buffers
,
208 .flushFrontBuffer
= dri_flush_front_buffer
,
209 .getBuffersWithFormat
= dri_get_buffers_with_format
,
212 static const __DRIimageLoaderExtension image_loader_extension
= {
213 .base
= { __DRI_IMAGE_LOADER
, 1 },
215 .getBuffers
= image_get_buffers
,
216 .flushFrontBuffer
= dri_flush_front_buffer
,
219 static const __DRIswrastLoaderExtension swrast_loader_extension
= {
220 .base
= { __DRI_SWRAST_LOADER
, 2 },
222 .getDrawableInfo
= swrast_get_drawable_info
,
223 .putImage
= swrast_put_image
,
224 .getImage
= swrast_get_image
,
225 .putImage2
= swrast_put_image2
228 static const __DRIextension
*gbm_dri_screen_extensions
[] = {
229 &image_lookup_extension
.base
,
230 &use_invalidate
.base
,
231 &dri2_loader_extension
.base
,
232 &image_loader_extension
.base
,
233 &swrast_loader_extension
.base
,
237 struct dri_extension_match
{
243 static struct dri_extension_match dri_core_extensions
[] = {
244 { __DRI2_FLUSH
, 1, offsetof(struct gbm_dri_device
, flush
) },
245 { __DRI_IMAGE
, 1, offsetof(struct gbm_dri_device
, image
) },
249 static struct dri_extension_match gbm_dri_device_extensions
[] = {
250 { __DRI_CORE
, 1, offsetof(struct gbm_dri_device
, core
) },
251 { __DRI_DRI2
, 1, offsetof(struct gbm_dri_device
, dri2
) },
255 static struct dri_extension_match gbm_swrast_device_extensions
[] = {
256 { __DRI_CORE
, 1, offsetof(struct gbm_dri_device
, core
), },
257 { __DRI_SWRAST
, 1, offsetof(struct gbm_dri_device
, swrast
) },
262 dri_bind_extensions(struct gbm_dri_device
*dri
,
263 struct dri_extension_match
*matches
,
264 const __DRIextension
**extensions
)
269 for (i
= 0; extensions
[i
]; i
++) {
270 for (j
= 0; matches
[j
].name
; j
++) {
271 if (strcmp(extensions
[i
]->name
, matches
[j
].name
) == 0 &&
272 extensions
[i
]->version
>= matches
[j
].version
) {
273 field
= ((char *) dri
+ matches
[j
].offset
);
274 *(const __DRIextension
**) field
= extensions
[i
];
279 for (j
= 0; matches
[j
].name
; j
++) {
280 field
= ((char *) dri
+ matches
[j
].offset
);
281 if (*(const __DRIextension
**) field
== NULL
) {
289 static const __DRIextension
**
290 dri_open_driver(struct gbm_dri_device
*dri
)
292 const __DRIextension
**extensions
= NULL
;
293 char path
[PATH_MAX
], *search_paths
, *p
, *next
, *end
;
294 char *get_extensions_name
;
297 /* don't allow setuid apps to use LIBGL_DRIVERS_PATH or GBM_DRIVERS_PATH */
298 if (geteuid() == getuid()) {
299 /* Read GBM_DRIVERS_PATH first for compatibility, but LIBGL_DRIVERS_PATH
300 * is recommended over GBM_DRIVERS_PATH.
302 search_paths
= getenv("GBM_DRIVERS_PATH");
304 /* Read LIBGL_DRIVERS_PATH if GBM_DRIVERS_PATH was not set.
305 * LIBGL_DRIVERS_PATH is recommended over GBM_DRIVERS_PATH.
307 if (search_paths
== NULL
) {
308 search_paths
= getenv("LIBGL_DRIVERS_PATH");
311 if (search_paths
== NULL
)
312 search_paths
= DEFAULT_DRIVER_DIR
;
315 end
= search_paths
+ strlen(search_paths
);
316 for (p
= search_paths
; p
< end
&& dri
->driver
== NULL
; p
= next
+ 1) {
318 next
= strchr(p
, ':');
324 snprintf(path
, sizeof path
,
325 "%.*s/tls/%s_dri.so", len
, p
, dri
->base
.driver_name
);
326 dri
->driver
= dlopen(path
, RTLD_NOW
| RTLD_GLOBAL
);
328 if (dri
->driver
== NULL
) {
329 snprintf(path
, sizeof path
,
330 "%.*s/%s_dri.so", len
, p
, dri
->base
.driver_name
);
331 dri
->driver
= dlopen(path
, RTLD_NOW
| RTLD_GLOBAL
);
333 /* not need continue to loop all paths once the driver is found */
334 if (dri
->driver
!= NULL
)
338 if (dri
->driver
== NULL
) {
339 fprintf(stderr
, "gbm: failed to open any driver (search paths %s)\n",
341 fprintf(stderr
, "gbm: Last dlopen error: %s\n", dlerror());
345 if (asprintf(&get_extensions_name
, "%s_%s",
346 __DRI_DRIVER_GET_EXTENSIONS
, dri
->base
.driver_name
) != -1) {
347 const __DRIextension
**(*get_extensions
)(void);
349 get_extensions
= dlsym(dri
->driver
, get_extensions_name
);
350 free(get_extensions_name
);
353 extensions
= get_extensions();
357 extensions
= dlsym(dri
->driver
, __DRI_DRIVER_EXTENSIONS
);
358 if (extensions
== NULL
) {
359 fprintf(stderr
, "gbm: driver exports no extensions (%s)", dlerror());
360 dlclose(dri
->driver
);
367 dri_load_driver(struct gbm_dri_device
*dri
)
369 const __DRIextension
**extensions
;
371 extensions
= dri_open_driver(dri
);
375 if (dri_bind_extensions(dri
, gbm_dri_device_extensions
, extensions
) < 0) {
376 dlclose(dri
->driver
);
377 fprintf(stderr
, "failed to bind extensions\n");
381 dri
->driver_extensions
= extensions
;
387 dri_load_driver_swrast(struct gbm_dri_device
*dri
)
389 const __DRIextension
**extensions
;
391 extensions
= dri_open_driver(dri
);
395 if (dri_bind_extensions(dri
, gbm_swrast_device_extensions
, extensions
) < 0) {
396 dlclose(dri
->driver
);
397 fprintf(stderr
, "failed to bind extensions\n");
401 dri
->driver_extensions
= extensions
;
407 dri_screen_create_dri2(struct gbm_dri_device
*dri
,
408 const char *driver_name
)
410 const __DRIextension
**extensions
;
413 dri
->base
.driver_name
= driver_name
;
414 if (dri
->base
.driver_name
== NULL
)
417 ret
= dri_load_driver(dri
);
419 fprintf(stderr
, "failed to load driver: %s\n", dri
->base
.driver_name
);
423 dri
->extensions
= gbm_dri_screen_extensions
;
425 if (dri
->dri2
== NULL
)
428 if (dri
->dri2
->base
.version
>= 4) {
429 dri
->screen
= dri
->dri2
->createNewScreen2(0, dri
->base
.base
.fd
,
431 dri
->driver_extensions
,
432 &dri
->driver_configs
, dri
);
434 dri
->screen
= dri
->dri2
->createNewScreen(0, dri
->base
.base
.fd
,
436 &dri
->driver_configs
, dri
);
438 if (dri
->screen
== NULL
)
441 extensions
= dri
->core
->getExtensions(dri
->screen
);
442 if (dri_bind_extensions(dri
, dri_core_extensions
, extensions
) < 0) {
447 dri
->lookup_image
= NULL
;
448 dri
->lookup_user_data
= NULL
;
453 dri
->core
->destroyScreen(dri
->screen
);
459 dri_screen_create_swrast(struct gbm_dri_device
*dri
)
463 dri
->base
.driver_name
= strdup("swrast");
464 if (dri
->base
.driver_name
== NULL
)
467 ret
= dri_load_driver_swrast(dri
);
469 fprintf(stderr
, "failed to load swrast driver\n");
473 dri
->extensions
= gbm_dri_screen_extensions
;
475 if (dri
->swrast
== NULL
)
478 if (dri
->swrast
->base
.version
>= 4) {
479 dri
->screen
= dri
->swrast
->createNewScreen2(0, dri
->extensions
,
480 dri
->driver_extensions
,
481 &dri
->driver_configs
, dri
);
483 dri
->screen
= dri
->swrast
->createNewScreen(0, dri
->extensions
,
484 &dri
->driver_configs
, dri
);
486 if (dri
->screen
== NULL
)
489 dri
->lookup_image
= NULL
;
490 dri
->lookup_user_data
= NULL
;
496 dri_screen_create(struct gbm_dri_device
*dri
)
498 const char *driver_name
;
500 driver_name
= loader_get_driver_for_fd(dri
->base
.base
.fd
, 0);
504 return dri_screen_create_dri2(dri
, driver_name
);
508 dri_screen_create_sw(struct gbm_dri_device
*dri
)
510 const char *driver_name
;
513 driver_name
= strdup("kms_swrast");
517 ret
= dri_screen_create_dri2(dri
, driver_name
);
521 return dri_screen_create_swrast(dri
);
525 gbm_dri_is_format_supported(struct gbm_device
*gbm
,
530 case GBM_BO_FORMAT_XRGB8888
:
531 case GBM_FORMAT_XRGB8888
:
533 case GBM_BO_FORMAT_ARGB8888
:
534 case GBM_FORMAT_ARGB8888
:
535 if (usage
& GBM_BO_USE_SCANOUT
)
542 if (usage
& GBM_BO_USE_CURSOR
&&
543 usage
& GBM_BO_USE_RENDERING
)
550 gbm_dri_bo_write(struct gbm_bo
*_bo
, const void *buf
, size_t count
)
552 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
554 if (bo
->image
!= NULL
) {
559 memcpy(bo
->map
, buf
, count
);
565 gbm_dri_bo_get_fd(struct gbm_bo
*_bo
)
567 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
568 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
571 if (bo
->image
== NULL
)
574 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_FD
, &fd
);
580 gbm_dri_bo_destroy(struct gbm_bo
*_bo
)
582 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
583 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
584 struct drm_mode_destroy_dumb arg
;
586 if (bo
->image
!= NULL
) {
587 dri
->image
->destroyImage(bo
->image
);
589 gbm_dri_bo_unmap(bo
);
590 memset(&arg
, 0, sizeof(arg
));
591 arg
.handle
= bo
->handle
;
592 drmIoctl(dri
->base
.base
.fd
, DRM_IOCTL_MODE_DESTROY_DUMB
, &arg
);
599 gbm_dri_to_gbm_format(uint32_t dri_format
)
603 switch (dri_format
) {
604 case __DRI_IMAGE_FORMAT_RGB565
:
605 ret
= GBM_FORMAT_RGB565
;
607 case __DRI_IMAGE_FORMAT_XRGB8888
:
608 ret
= GBM_FORMAT_XRGB8888
;
610 case __DRI_IMAGE_FORMAT_ARGB8888
:
611 ret
= GBM_FORMAT_ARGB8888
;
613 case __DRI_IMAGE_FORMAT_ABGR8888
:
614 ret
= GBM_FORMAT_ABGR8888
;
624 static struct gbm_bo
*
625 gbm_dri_bo_import(struct gbm_device
*gbm
,
626 uint32_t type
, void *buffer
, uint32_t usage
)
628 struct gbm_dri_device
*dri
= gbm_dri_device(gbm
);
629 struct gbm_dri_bo
*bo
;
631 unsigned dri_use
= 0;
634 /* Required for query image WIDTH & HEIGHT */
635 if (dri
->image
== NULL
|| dri
->image
->base
.version
< 4) {
641 #if HAVE_WAYLAND_PLATFORM
642 case GBM_BO_IMPORT_WL_BUFFER
:
644 struct wl_drm_buffer
*wb
;
651 wb
= wayland_drm_buffer_get(dri
->wl_drm
, (struct wl_resource
*) buffer
);
657 image
= dri
->image
->dupImage(wb
->driver_buffer
, NULL
);
659 switch (wb
->format
) {
660 case WL_DRM_FORMAT_XRGB8888
:
661 gbm_format
= GBM_FORMAT_XRGB8888
;
663 case WL_DRM_FORMAT_ARGB8888
:
664 gbm_format
= GBM_FORMAT_ARGB8888
;
666 case WL_DRM_FORMAT_RGB565
:
667 gbm_format
= GBM_FORMAT_RGB565
;
669 case WL_DRM_FORMAT_YUYV
:
670 gbm_format
= GBM_FORMAT_YUYV
;
679 case GBM_BO_IMPORT_EGL_IMAGE
:
682 if (dri
->lookup_image
== NULL
) {
687 image
= dri
->lookup_image(dri
->screen
, buffer
, dri
->lookup_user_data
);
688 image
= dri
->image
->dupImage(image
, NULL
);
689 dri
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_FORMAT
, &dri_format
);
690 gbm_format
= gbm_dri_to_gbm_format(dri_format
);
691 if (gbm_format
== 0) {
698 case GBM_BO_IMPORT_FD
:
700 struct gbm_import_fd_data
*fd_data
= buffer
;
701 int stride
= fd_data
->stride
, offset
= 0;
703 image
= dri
->image
->createImageFromFds(dri
->screen
,
710 gbm_format
= fd_data
->format
;
720 bo
= calloc(1, sizeof *bo
);
726 if (usage
& GBM_BO_USE_SCANOUT
)
727 dri_use
|= __DRI_IMAGE_USE_SCANOUT
;
728 if (usage
& GBM_BO_USE_CURSOR
)
729 dri_use
|= __DRI_IMAGE_USE_CURSOR
;
730 if (dri
->image
->base
.version
>= 2 &&
731 !dri
->image
->validateUsage(bo
->image
, dri_use
)) {
737 bo
->base
.base
.gbm
= gbm
;
738 bo
->base
.base
.format
= gbm_format
;
740 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_WIDTH
,
741 (int*)&bo
->base
.base
.width
);
742 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_HEIGHT
,
743 (int*)&bo
->base
.base
.height
);
744 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_STRIDE
,
745 (int*)&bo
->base
.base
.stride
);
746 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_HANDLE
,
747 &bo
->base
.base
.handle
.s32
);
749 return &bo
->base
.base
;
752 static struct gbm_bo
*
753 create_dumb(struct gbm_device
*gbm
,
754 uint32_t width
, uint32_t height
,
755 uint32_t format
, uint32_t usage
)
757 struct gbm_dri_device
*dri
= gbm_dri_device(gbm
);
758 struct drm_mode_create_dumb create_arg
;
759 struct gbm_dri_bo
*bo
;
760 struct drm_mode_destroy_dumb destroy_arg
;
762 int is_cursor
, is_scanout
;
764 is_cursor
= (usage
& GBM_BO_USE_CURSOR
) != 0 &&
765 format
== GBM_FORMAT_ARGB8888
;
766 is_scanout
= (usage
& GBM_BO_USE_SCANOUT
) != 0 &&
767 format
== GBM_FORMAT_XRGB8888
;
768 if (!is_cursor
&& !is_scanout
) {
773 bo
= calloc(1, sizeof *bo
);
778 create_arg
.width
= width
;
779 create_arg
.height
= height
;
781 ret
= drmIoctl(dri
->base
.base
.fd
, DRM_IOCTL_MODE_CREATE_DUMB
, &create_arg
);
785 bo
->base
.base
.gbm
= gbm
;
786 bo
->base
.base
.width
= width
;
787 bo
->base
.base
.height
= height
;
788 bo
->base
.base
.stride
= create_arg
.pitch
;
789 bo
->base
.base
.format
= format
;
790 bo
->base
.base
.handle
.u32
= create_arg
.handle
;
791 bo
->handle
= create_arg
.handle
;
792 bo
->size
= create_arg
.size
;
794 if (gbm_dri_bo_map(bo
) == NULL
)
797 return &bo
->base
.base
;
800 memset(&destroy_arg
, 0, sizeof destroy_arg
);
801 destroy_arg
.handle
= create_arg
.handle
;
802 drmIoctl(dri
->base
.base
.fd
, DRM_IOCTL_MODE_DESTROY_DUMB
, &destroy_arg
);
809 static struct gbm_bo
*
810 gbm_dri_bo_create(struct gbm_device
*gbm
,
811 uint32_t width
, uint32_t height
,
812 uint32_t format
, uint32_t usage
)
814 struct gbm_dri_device
*dri
= gbm_dri_device(gbm
);
815 struct gbm_dri_bo
*bo
;
817 unsigned dri_use
= 0;
819 if (usage
& GBM_BO_USE_WRITE
|| dri
->image
== NULL
)
820 return create_dumb(gbm
, width
, height
, format
, usage
);
822 bo
= calloc(1, sizeof *bo
);
826 bo
->base
.base
.gbm
= gbm
;
827 bo
->base
.base
.width
= width
;
828 bo
->base
.base
.height
= height
;
829 bo
->base
.base
.format
= format
;
832 case GBM_FORMAT_RGB565
:
833 dri_format
=__DRI_IMAGE_FORMAT_RGB565
;
835 case GBM_FORMAT_XRGB8888
:
836 case GBM_BO_FORMAT_XRGB8888
:
837 dri_format
= __DRI_IMAGE_FORMAT_XRGB8888
;
839 case GBM_FORMAT_ARGB8888
:
840 case GBM_BO_FORMAT_ARGB8888
:
841 dri_format
= __DRI_IMAGE_FORMAT_ARGB8888
;
843 case GBM_FORMAT_ABGR8888
:
844 dri_format
= __DRI_IMAGE_FORMAT_ABGR8888
;
846 case GBM_FORMAT_ARGB2101010
:
847 dri_format
= __DRI_IMAGE_FORMAT_ARGB2101010
;
849 case GBM_FORMAT_XRGB2101010
:
850 dri_format
= __DRI_IMAGE_FORMAT_XRGB2101010
;
857 if (usage
& GBM_BO_USE_SCANOUT
)
858 dri_use
|= __DRI_IMAGE_USE_SCANOUT
;
859 if (usage
& GBM_BO_USE_CURSOR
)
860 dri_use
|= __DRI_IMAGE_USE_CURSOR
;
862 /* Gallium drivers requires shared in order to get the handle/stride */
863 dri_use
|= __DRI_IMAGE_USE_SHARE
;
866 dri
->image
->createImage(dri
->screen
,
870 if (bo
->image
== NULL
)
873 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_HANDLE
,
874 &bo
->base
.base
.handle
.s32
);
875 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_STRIDE
,
876 (int *) &bo
->base
.base
.stride
);
878 return &bo
->base
.base
;
885 static struct gbm_surface
*
886 gbm_dri_surface_create(struct gbm_device
*gbm
,
887 uint32_t width
, uint32_t height
,
888 uint32_t format
, uint32_t flags
)
890 struct gbm_dri_surface
*surf
;
892 surf
= calloc(1, sizeof *surf
);
896 surf
->base
.gbm
= gbm
;
897 surf
->base
.width
= width
;
898 surf
->base
.height
= height
;
899 surf
->base
.format
= format
;
900 surf
->base
.flags
= flags
;
906 gbm_dri_surface_destroy(struct gbm_surface
*_surf
)
908 struct gbm_dri_surface
*surf
= gbm_dri_surface(_surf
);
914 dri_destroy(struct gbm_device
*gbm
)
916 struct gbm_dri_device
*dri
= gbm_dri_device(gbm
);
919 dri
->core
->destroyScreen(dri
->screen
);
920 for (i
= 0; dri
->driver_configs
[i
]; i
++)
921 free((__DRIconfig
*) dri
->driver_configs
[i
]);
922 free(dri
->driver_configs
);
923 dlclose(dri
->driver
);
924 free(dri
->base
.driver_name
);
929 static struct gbm_device
*
930 dri_device_create(int fd
)
932 struct gbm_dri_device
*dri
;
935 dri
= calloc(1, sizeof *dri
);
939 dri
->base
.base
.fd
= fd
;
940 dri
->base
.base
.bo_create
= gbm_dri_bo_create
;
941 dri
->base
.base
.bo_import
= gbm_dri_bo_import
;
942 dri
->base
.base
.is_format_supported
= gbm_dri_is_format_supported
;
943 dri
->base
.base
.bo_write
= gbm_dri_bo_write
;
944 dri
->base
.base
.bo_get_fd
= gbm_dri_bo_get_fd
;
945 dri
->base
.base
.bo_destroy
= gbm_dri_bo_destroy
;
946 dri
->base
.base
.destroy
= dri_destroy
;
947 dri
->base
.base
.surface_create
= gbm_dri_surface_create
;
948 dri
->base
.base
.surface_destroy
= gbm_dri_surface_destroy
;
950 dri
->base
.type
= GBM_DRM_DRIVER_TYPE_DRI
;
951 dri
->base
.base
.name
= "drm";
953 force_sw
= getenv("GBM_ALWAYS_SOFTWARE") != NULL
;
955 ret
= dri_screen_create(dri
);
957 ret
= dri_screen_create_sw(dri
);
959 ret
= dri_screen_create_sw(dri
);
965 return &dri
->base
.base
;
973 struct gbm_backend gbm_dri_backend
= {
974 .backend_name
= "dri",
975 .create_device
= dri_device_create
,