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>
37 #include <sys/types.h>
42 #include <GL/gl.h> /* dri_interface needs GL types */
43 #include <GL/internal/dri_interface.h>
45 #include "gbm_driint.h"
50 /* For importing wl_buffer */
51 #if HAVE_WAYLAND_PLATFORM
52 #include "../../../egl/wayland/wayland-drm/wayland-drm.h"
56 dri_lookup_egl_image(__DRIscreen
*screen
, void *image
, void *data
)
58 struct gbm_dri_device
*dri
= data
;
60 if (dri
->lookup_image
== NULL
)
63 return dri
->lookup_image(screen
, image
, dri
->lookup_user_data
);
67 dri_get_buffers(__DRIdrawable
* driDrawable
,
68 int *width
, int *height
,
69 unsigned int *attachments
, int count
,
70 int *out_count
, void *data
)
72 struct gbm_dri_surface
*surf
= data
;
73 struct gbm_dri_device
*dri
= gbm_dri_device(surf
->base
.gbm
);
75 if (dri
->get_buffers
== NULL
)
78 return dri
->get_buffers(driDrawable
, width
, height
, attachments
,
79 count
, out_count
, surf
->dri_private
);
83 dri_flush_front_buffer(__DRIdrawable
* driDrawable
, void *data
)
85 struct gbm_dri_surface
*surf
= data
;
86 struct gbm_dri_device
*dri
= gbm_dri_device(surf
->base
.gbm
);
88 if (dri
->flush_front_buffer
!= NULL
)
89 dri
->flush_front_buffer(driDrawable
, surf
->dri_private
);
93 dri_get_buffers_with_format(__DRIdrawable
* driDrawable
,
94 int *width
, int *height
,
95 unsigned int *attachments
, int count
,
96 int *out_count
, void *data
)
98 struct gbm_dri_surface
*surf
= data
;
99 struct gbm_dri_device
*dri
= gbm_dri_device(surf
->base
.gbm
);
101 if (dri
->get_buffers_with_format
== NULL
)
105 dri
->get_buffers_with_format(driDrawable
, width
, height
, attachments
,
106 count
, out_count
, surf
->dri_private
);
110 image_get_buffers(__DRIdrawable
*driDrawable
,
114 uint32_t buffer_mask
,
115 struct __DRIimageList
*buffers
)
117 struct gbm_dri_surface
*surf
= loaderPrivate
;
118 struct gbm_dri_device
*dri
= gbm_dri_device(surf
->base
.gbm
);
120 if (dri
->image_get_buffers
== NULL
)
123 return dri
->image_get_buffers(driDrawable
, format
, stamp
,
124 surf
->dri_private
, buffer_mask
, buffers
);
128 swrast_get_drawable_info(__DRIdrawable
*driDrawable
,
135 struct gbm_dri_surface
*surf
= loaderPrivate
;
139 *width
= surf
->base
.width
;
140 *height
= surf
->base
.height
;
144 swrast_put_image2(__DRIdrawable
*driDrawable
,
154 struct gbm_dri_surface
*surf
= loaderPrivate
;
155 struct gbm_dri_device
*dri
= gbm_dri_device(surf
->base
.gbm
);
157 dri
->swrast_put_image2(driDrawable
,
159 width
, height
, stride
,
160 data
, surf
->dri_private
);
164 swrast_put_image(__DRIdrawable
*driDrawable
,
173 return swrast_put_image2(driDrawable
, op
, x
, y
, width
, height
,
174 width
* 4, data
, loaderPrivate
);
178 swrast_get_image(__DRIdrawable
*driDrawable
,
186 struct gbm_dri_surface
*surf
= loaderPrivate
;
187 struct gbm_dri_device
*dri
= gbm_dri_device(surf
->base
.gbm
);
189 dri
->swrast_get_image(driDrawable
,
192 data
, surf
->dri_private
);
195 static const __DRIuseInvalidateExtension use_invalidate
= {
196 .base
= { __DRI_USE_INVALIDATE
, 1 }
199 static const __DRIimageLookupExtension image_lookup_extension
= {
200 .base
= { __DRI_IMAGE_LOOKUP
, 1 },
202 .lookupEGLImage
= dri_lookup_egl_image
205 static const __DRIdri2LoaderExtension dri2_loader_extension
= {
206 .base
= { __DRI_DRI2_LOADER
, 3 },
208 .getBuffers
= dri_get_buffers
,
209 .flushFrontBuffer
= dri_flush_front_buffer
,
210 .getBuffersWithFormat
= dri_get_buffers_with_format
,
213 static const __DRIimageLoaderExtension image_loader_extension
= {
214 .base
= { __DRI_IMAGE_LOADER
, 1 },
216 .getBuffers
= image_get_buffers
,
217 .flushFrontBuffer
= dri_flush_front_buffer
,
220 static const __DRIswrastLoaderExtension swrast_loader_extension
= {
221 .base
= { __DRI_SWRAST_LOADER
, 2 },
223 .getDrawableInfo
= swrast_get_drawable_info
,
224 .putImage
= swrast_put_image
,
225 .getImage
= swrast_get_image
,
226 .putImage2
= swrast_put_image2
229 static const __DRIextension
*gbm_dri_screen_extensions
[] = {
230 &image_lookup_extension
.base
,
231 &use_invalidate
.base
,
232 &dri2_loader_extension
.base
,
233 &image_loader_extension
.base
,
234 &swrast_loader_extension
.base
,
238 struct dri_extension_match
{
245 static struct dri_extension_match dri_core_extensions
[] = {
246 { __DRI2_FLUSH
, 1, offsetof(struct gbm_dri_device
, flush
) },
247 { __DRI_IMAGE
, 1, offsetof(struct gbm_dri_device
, image
) },
248 { __DRI2_FENCE
, 1, offsetof(struct gbm_dri_device
, fence
), 1 },
249 { __DRI2_INTEROP
, 1, offsetof(struct gbm_dri_device
, interop
), 1 },
253 static struct dri_extension_match gbm_dri_device_extensions
[] = {
254 { __DRI_CORE
, 1, offsetof(struct gbm_dri_device
, core
) },
255 { __DRI_DRI2
, 1, offsetof(struct gbm_dri_device
, dri2
) },
259 static struct dri_extension_match gbm_swrast_device_extensions
[] = {
260 { __DRI_CORE
, 1, offsetof(struct gbm_dri_device
, core
), },
261 { __DRI_SWRAST
, 1, offsetof(struct gbm_dri_device
, swrast
) },
266 dri_bind_extensions(struct gbm_dri_device
*dri
,
267 struct dri_extension_match
*matches
,
268 const __DRIextension
**extensions
)
273 for (i
= 0; extensions
[i
]; i
++) {
274 for (j
= 0; matches
[j
].name
; j
++) {
275 if (strcmp(extensions
[i
]->name
, matches
[j
].name
) == 0 &&
276 extensions
[i
]->version
>= matches
[j
].version
) {
277 field
= ((char *) dri
+ matches
[j
].offset
);
278 *(const __DRIextension
**) field
= extensions
[i
];
283 for (j
= 0; matches
[j
].name
; j
++) {
284 field
= ((char *) dri
+ matches
[j
].offset
);
285 if ((*(const __DRIextension
**) field
== NULL
) && !matches
[j
].optional
) {
293 static const __DRIextension
**
294 dri_open_driver(struct gbm_dri_device
*dri
)
296 const __DRIextension
**extensions
= NULL
;
297 char path
[PATH_MAX
], *search_paths
, *p
, *next
, *end
;
298 char *get_extensions_name
;
301 /* don't allow setuid apps to use LIBGL_DRIVERS_PATH or GBM_DRIVERS_PATH */
302 if (geteuid() == getuid()) {
303 /* Read GBM_DRIVERS_PATH first for compatibility, but LIBGL_DRIVERS_PATH
304 * is recommended over GBM_DRIVERS_PATH.
306 search_paths
= getenv("GBM_DRIVERS_PATH");
308 /* Read LIBGL_DRIVERS_PATH if GBM_DRIVERS_PATH was not set.
309 * LIBGL_DRIVERS_PATH is recommended over GBM_DRIVERS_PATH.
311 if (search_paths
== NULL
) {
312 search_paths
= getenv("LIBGL_DRIVERS_PATH");
315 if (search_paths
== NULL
)
316 search_paths
= DEFAULT_DRIVER_DIR
;
318 /* Temporarily work around dri driver libs that need symbols in libglapi
319 * but don't automatically link it in.
321 /* XXX: Library name differs on per platforms basis. Update this as
322 * osx/cygwin/windows/bsd gets support for GBM..
324 dlopen("libglapi.so.0", RTLD_LAZY
| RTLD_GLOBAL
);
327 end
= search_paths
+ strlen(search_paths
);
328 for (p
= search_paths
; p
< end
&& dri
->driver
== NULL
; p
= next
+ 1) {
330 next
= strchr(p
, ':');
336 snprintf(path
, sizeof path
,
337 "%.*s/tls/%s_dri.so", len
, p
, dri
->base
.driver_name
);
338 dri
->driver
= dlopen(path
, RTLD_NOW
| RTLD_GLOBAL
);
340 if (dri
->driver
== NULL
) {
341 snprintf(path
, sizeof path
,
342 "%.*s/%s_dri.so", len
, p
, dri
->base
.driver_name
);
343 dri
->driver
= dlopen(path
, RTLD_NOW
| RTLD_GLOBAL
);
345 /* not need continue to loop all paths once the driver is found */
346 if (dri
->driver
!= NULL
)
350 snprintf(path
, sizeof path
, "%.*s/gallium_dri.so", len
, p
);
351 dri
->driver
= dlopen(path
, RTLD_NOW
| RTLD_GLOBAL
);
352 if (dri
->driver
== NULL
)
353 sprintf("failed to open %s: %s\n", path
, dlerror());
359 if (dri
->driver
== NULL
) {
360 fprintf(stderr
, "gbm: failed to open any driver (search paths %s)\n",
362 fprintf(stderr
, "gbm: Last dlopen error: %s\n", dlerror());
366 get_extensions_name
= loader_get_extensions_name(dri
->base
.driver_name
);
367 if (get_extensions_name
) {
368 const __DRIextension
**(*get_extensions
)(void);
370 get_extensions
= dlsym(dri
->driver
, get_extensions_name
);
371 free(get_extensions_name
);
374 extensions
= get_extensions();
378 extensions
= dlsym(dri
->driver
, __DRI_DRIVER_EXTENSIONS
);
379 if (extensions
== NULL
) {
380 fprintf(stderr
, "gbm: driver exports no extensions (%s)", dlerror());
381 dlclose(dri
->driver
);
388 dri_load_driver(struct gbm_dri_device
*dri
)
390 const __DRIextension
**extensions
;
392 extensions
= dri_open_driver(dri
);
396 if (dri_bind_extensions(dri
, gbm_dri_device_extensions
, extensions
) < 0) {
397 dlclose(dri
->driver
);
398 fprintf(stderr
, "failed to bind extensions\n");
402 dri
->driver_extensions
= extensions
;
408 dri_load_driver_swrast(struct gbm_dri_device
*dri
)
410 const __DRIextension
**extensions
;
412 extensions
= dri_open_driver(dri
);
416 if (dri_bind_extensions(dri
, gbm_swrast_device_extensions
, extensions
) < 0) {
417 dlclose(dri
->driver
);
418 fprintf(stderr
, "failed to bind extensions\n");
422 dri
->driver_extensions
= extensions
;
428 dri_screen_create_dri2(struct gbm_dri_device
*dri
, char *driver_name
)
430 const __DRIextension
**extensions
;
433 dri
->base
.driver_name
= driver_name
;
434 if (dri
->base
.driver_name
== NULL
)
437 ret
= dri_load_driver(dri
);
439 fprintf(stderr
, "failed to load driver: %s\n", dri
->base
.driver_name
);
443 dri
->loader_extensions
= gbm_dri_screen_extensions
;
445 if (dri
->dri2
== NULL
)
448 if (dri
->dri2
->base
.version
>= 4) {
449 dri
->screen
= dri
->dri2
->createNewScreen2(0, dri
->base
.base
.fd
,
450 dri
->loader_extensions
,
451 dri
->driver_extensions
,
452 &dri
->driver_configs
, dri
);
454 dri
->screen
= dri
->dri2
->createNewScreen(0, dri
->base
.base
.fd
,
455 dri
->loader_extensions
,
456 &dri
->driver_configs
, dri
);
458 if (dri
->screen
== NULL
)
461 extensions
= dri
->core
->getExtensions(dri
->screen
);
462 if (dri_bind_extensions(dri
, dri_core_extensions
, extensions
) < 0) {
467 dri
->lookup_image
= NULL
;
468 dri
->lookup_user_data
= NULL
;
473 dri
->core
->destroyScreen(dri
->screen
);
479 dri_screen_create_swrast(struct gbm_dri_device
*dri
)
483 dri
->base
.driver_name
= strdup("swrast");
484 if (dri
->base
.driver_name
== NULL
)
487 ret
= dri_load_driver_swrast(dri
);
489 fprintf(stderr
, "failed to load swrast driver\n");
493 dri
->loader_extensions
= gbm_dri_screen_extensions
;
495 if (dri
->swrast
== NULL
)
498 if (dri
->swrast
->base
.version
>= 4) {
499 dri
->screen
= dri
->swrast
->createNewScreen2(0, dri
->loader_extensions
,
500 dri
->driver_extensions
,
501 &dri
->driver_configs
, dri
);
503 dri
->screen
= dri
->swrast
->createNewScreen(0, dri
->loader_extensions
,
504 &dri
->driver_configs
, dri
);
506 if (dri
->screen
== NULL
)
509 dri
->lookup_image
= NULL
;
510 dri
->lookup_user_data
= NULL
;
516 dri_screen_create(struct gbm_dri_device
*dri
)
520 driver_name
= loader_get_driver_for_fd(dri
->base
.base
.fd
);
524 return dri_screen_create_dri2(dri
, driver_name
);
528 dri_screen_create_sw(struct gbm_dri_device
*dri
)
533 driver_name
= strdup("kms_swrast");
537 ret
= dri_screen_create_dri2(dri
, driver_name
);
541 return dri_screen_create_swrast(dri
);
545 gbm_dri_is_format_supported(struct gbm_device
*gbm
,
550 case GBM_BO_FORMAT_XRGB8888
:
551 case GBM_FORMAT_XBGR8888
:
552 case GBM_FORMAT_XRGB8888
:
554 case GBM_BO_FORMAT_ARGB8888
:
555 case GBM_FORMAT_ARGB8888
:
556 if (usage
& GBM_BO_USE_SCANOUT
)
563 if (usage
& GBM_BO_USE_CURSOR
&&
564 usage
& GBM_BO_USE_RENDERING
)
571 gbm_dri_bo_write(struct gbm_bo
*_bo
, const void *buf
, size_t count
)
573 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
575 if (bo
->image
!= NULL
) {
580 memcpy(bo
->map
, buf
, count
);
586 gbm_dri_bo_get_fd(struct gbm_bo
*_bo
)
588 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
589 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
592 if (bo
->image
== NULL
)
595 if (!dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_FD
, &fd
))
602 gbm_dri_bo_destroy(struct gbm_bo
*_bo
)
604 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
605 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
606 struct drm_mode_destroy_dumb arg
;
608 if (bo
->image
!= NULL
) {
609 dri
->image
->destroyImage(bo
->image
);
611 gbm_dri_bo_unmap_dumb(bo
);
612 memset(&arg
, 0, sizeof(arg
));
613 arg
.handle
= bo
->handle
;
614 drmIoctl(dri
->base
.base
.fd
, DRM_IOCTL_MODE_DESTROY_DUMB
, &arg
);
621 gbm_dri_to_gbm_format(uint32_t dri_format
)
625 switch (dri_format
) {
626 case __DRI_IMAGE_FORMAT_RGB565
:
627 ret
= GBM_FORMAT_RGB565
;
629 case __DRI_IMAGE_FORMAT_XRGB8888
:
630 ret
= GBM_FORMAT_XRGB8888
;
632 case __DRI_IMAGE_FORMAT_ARGB8888
:
633 ret
= GBM_FORMAT_ARGB8888
;
635 case __DRI_IMAGE_FORMAT_XBGR8888
:
636 ret
= GBM_FORMAT_XBGR8888
;
638 case __DRI_IMAGE_FORMAT_ABGR8888
:
639 ret
= GBM_FORMAT_ABGR8888
;
649 static struct gbm_bo
*
650 gbm_dri_bo_import(struct gbm_device
*gbm
,
651 uint32_t type
, void *buffer
, uint32_t usage
)
653 struct gbm_dri_device
*dri
= gbm_dri_device(gbm
);
654 struct gbm_dri_bo
*bo
;
656 unsigned dri_use
= 0;
659 /* Required for query image WIDTH & HEIGHT */
660 if (dri
->image
== NULL
|| dri
->image
->base
.version
< 4) {
666 #if HAVE_WAYLAND_PLATFORM
667 case GBM_BO_IMPORT_WL_BUFFER
:
669 struct wl_drm_buffer
*wb
;
676 wb
= wayland_drm_buffer_get(dri
->wl_drm
, (struct wl_resource
*) buffer
);
682 image
= dri
->image
->dupImage(wb
->driver_buffer
, NULL
);
684 switch (wb
->format
) {
685 case WL_DRM_FORMAT_XRGB8888
:
686 gbm_format
= GBM_FORMAT_XRGB8888
;
688 case WL_DRM_FORMAT_ARGB8888
:
689 gbm_format
= GBM_FORMAT_ARGB8888
;
691 case WL_DRM_FORMAT_RGB565
:
692 gbm_format
= GBM_FORMAT_RGB565
;
694 case WL_DRM_FORMAT_YUYV
:
695 gbm_format
= GBM_FORMAT_YUYV
;
698 dri
->image
->destroyImage(image
);
705 case GBM_BO_IMPORT_EGL_IMAGE
:
708 if (dri
->lookup_image
== NULL
) {
713 image
= dri
->lookup_image(dri
->screen
, buffer
, dri
->lookup_user_data
);
714 image
= dri
->image
->dupImage(image
, NULL
);
715 dri
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_FORMAT
, &dri_format
);
716 gbm_format
= gbm_dri_to_gbm_format(dri_format
);
717 if (gbm_format
== 0) {
719 dri
->image
->destroyImage(image
);
725 case GBM_BO_IMPORT_FD
:
727 struct gbm_import_fd_data
*fd_data
= buffer
;
728 int stride
= fd_data
->stride
, offset
= 0;
731 switch (fd_data
->format
) {
732 case GBM_BO_FORMAT_XRGB8888
:
733 dri_format
= GBM_FORMAT_XRGB8888
;
735 case GBM_BO_FORMAT_ARGB8888
:
736 dri_format
= GBM_FORMAT_ARGB8888
;
739 dri_format
= fd_data
->format
;
742 image
= dri
->image
->createImageFromFds(dri
->screen
,
753 gbm_format
= fd_data
->format
;
763 bo
= calloc(1, sizeof *bo
);
765 dri
->image
->destroyImage(image
);
771 if (usage
& GBM_BO_USE_SCANOUT
)
772 dri_use
|= __DRI_IMAGE_USE_SCANOUT
;
773 if (usage
& GBM_BO_USE_CURSOR
)
774 dri_use
|= __DRI_IMAGE_USE_CURSOR
;
775 if (dri
->image
->base
.version
>= 2 &&
776 !dri
->image
->validateUsage(bo
->image
, dri_use
)) {
778 dri
->image
->destroyImage(bo
->image
);
783 bo
->base
.base
.gbm
= gbm
;
784 bo
->base
.base
.format
= gbm_format
;
786 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_WIDTH
,
787 (int*)&bo
->base
.base
.width
);
788 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_HEIGHT
,
789 (int*)&bo
->base
.base
.height
);
790 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_STRIDE
,
791 (int*)&bo
->base
.base
.stride
);
792 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_HANDLE
,
793 &bo
->base
.base
.handle
.s32
);
795 return &bo
->base
.base
;
798 static struct gbm_bo
*
799 create_dumb(struct gbm_device
*gbm
,
800 uint32_t width
, uint32_t height
,
801 uint32_t format
, uint32_t usage
)
803 struct gbm_dri_device
*dri
= gbm_dri_device(gbm
);
804 struct drm_mode_create_dumb create_arg
;
805 struct gbm_dri_bo
*bo
;
806 struct drm_mode_destroy_dumb destroy_arg
;
808 int is_cursor
, is_scanout
;
810 is_cursor
= (usage
& GBM_BO_USE_CURSOR
) != 0 &&
811 format
== GBM_FORMAT_ARGB8888
;
812 is_scanout
= (usage
& GBM_BO_USE_SCANOUT
) != 0 &&
813 format
== GBM_FORMAT_XRGB8888
;
814 if (!is_cursor
&& !is_scanout
) {
819 bo
= calloc(1, sizeof *bo
);
823 memset(&create_arg
, 0, sizeof(create_arg
));
825 create_arg
.width
= width
;
826 create_arg
.height
= height
;
828 ret
= drmIoctl(dri
->base
.base
.fd
, DRM_IOCTL_MODE_CREATE_DUMB
, &create_arg
);
832 bo
->base
.base
.gbm
= gbm
;
833 bo
->base
.base
.width
= width
;
834 bo
->base
.base
.height
= height
;
835 bo
->base
.base
.stride
= create_arg
.pitch
;
836 bo
->base
.base
.format
= format
;
837 bo
->base
.base
.handle
.u32
= create_arg
.handle
;
838 bo
->handle
= create_arg
.handle
;
839 bo
->size
= create_arg
.size
;
841 if (gbm_dri_bo_map_dumb(bo
) == NULL
)
844 return &bo
->base
.base
;
847 memset(&destroy_arg
, 0, sizeof destroy_arg
);
848 destroy_arg
.handle
= create_arg
.handle
;
849 drmIoctl(dri
->base
.base
.fd
, DRM_IOCTL_MODE_DESTROY_DUMB
, &destroy_arg
);
856 static struct gbm_bo
*
857 gbm_dri_bo_create(struct gbm_device
*gbm
,
858 uint32_t width
, uint32_t height
,
859 uint32_t format
, uint32_t usage
)
861 struct gbm_dri_device
*dri
= gbm_dri_device(gbm
);
862 struct gbm_dri_bo
*bo
;
864 unsigned dri_use
= 0;
866 if (usage
& GBM_BO_USE_WRITE
|| dri
->image
== NULL
)
867 return create_dumb(gbm
, width
, height
, format
, usage
);
869 bo
= calloc(1, sizeof *bo
);
873 bo
->base
.base
.gbm
= gbm
;
874 bo
->base
.base
.width
= width
;
875 bo
->base
.base
.height
= height
;
876 bo
->base
.base
.format
= format
;
880 dri_format
= __DRI_IMAGE_FORMAT_R8
;
882 case GBM_FORMAT_GR88
:
883 dri_format
= __DRI_IMAGE_FORMAT_GR88
;
885 case GBM_FORMAT_RGB565
:
886 dri_format
= __DRI_IMAGE_FORMAT_RGB565
;
888 case GBM_FORMAT_XRGB8888
:
889 case GBM_BO_FORMAT_XRGB8888
:
890 dri_format
= __DRI_IMAGE_FORMAT_XRGB8888
;
892 case GBM_FORMAT_ARGB8888
:
893 case GBM_BO_FORMAT_ARGB8888
:
894 dri_format
= __DRI_IMAGE_FORMAT_ARGB8888
;
896 case GBM_FORMAT_ABGR8888
:
897 dri_format
= __DRI_IMAGE_FORMAT_ABGR8888
;
899 case GBM_FORMAT_XBGR8888
:
900 dri_format
= __DRI_IMAGE_FORMAT_XBGR8888
;
902 case GBM_FORMAT_ARGB2101010
:
903 dri_format
= __DRI_IMAGE_FORMAT_ARGB2101010
;
905 case GBM_FORMAT_XRGB2101010
:
906 dri_format
= __DRI_IMAGE_FORMAT_XRGB2101010
;
913 if (usage
& GBM_BO_USE_SCANOUT
)
914 dri_use
|= __DRI_IMAGE_USE_SCANOUT
;
915 if (usage
& GBM_BO_USE_CURSOR
)
916 dri_use
|= __DRI_IMAGE_USE_CURSOR
;
917 if (usage
& GBM_BO_USE_LINEAR
)
918 dri_use
|= __DRI_IMAGE_USE_LINEAR
;
920 /* Gallium drivers requires shared in order to get the handle/stride */
921 dri_use
|= __DRI_IMAGE_USE_SHARE
;
924 dri
->image
->createImage(dri
->screen
,
928 if (bo
->image
== NULL
)
931 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_HANDLE
,
932 &bo
->base
.base
.handle
.s32
);
933 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_STRIDE
,
934 (int *) &bo
->base
.base
.stride
);
936 return &bo
->base
.base
;
944 gbm_dri_bo_map(struct gbm_bo
*_bo
,
945 uint32_t x
, uint32_t y
,
946 uint32_t width
, uint32_t height
,
947 uint32_t flags
, uint32_t *stride
, void **map_data
)
949 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
950 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
952 /* If it's a dumb buffer, we already have a mapping */
954 *map_data
= (char *)bo
->map
+ (bo
->base
.base
.stride
* y
) + (x
* 4);
955 *stride
= bo
->base
.base
.stride
;
959 if (!dri
->image
|| dri
->image
->base
.version
< 12 || !dri
->image
->mapImage
) {
964 mtx_lock(&dri
->mutex
);
966 dri
->context
= dri
->dri2
->createNewContext(dri
->screen
, NULL
,
968 assert(dri
->context
);
969 mtx_unlock(&dri
->mutex
);
971 /* GBM flags and DRI flags are the same, so just pass them on */
972 return dri
->image
->mapImage(dri
->context
, bo
->image
, x
, y
,
973 width
, height
, flags
, (int *)stride
,
978 gbm_dri_bo_unmap(struct gbm_bo
*_bo
, void *map_data
)
980 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
981 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
983 /* Check if it's a dumb buffer and check the pointer is in range */
985 assert(map_data
>= bo
->map
);
986 assert(map_data
< (bo
->map
+ bo
->size
));
990 if (!dri
->context
|| !dri
->image
||
991 dri
->image
->base
.version
< 12 || !dri
->image
->unmapImage
)
994 dri
->image
->unmapImage(dri
->context
, bo
->image
, map_data
);
998 static struct gbm_surface
*
999 gbm_dri_surface_create(struct gbm_device
*gbm
,
1000 uint32_t width
, uint32_t height
,
1001 uint32_t format
, uint32_t flags
)
1003 struct gbm_dri_surface
*surf
;
1005 surf
= calloc(1, sizeof *surf
);
1009 surf
->base
.gbm
= gbm
;
1010 surf
->base
.width
= width
;
1011 surf
->base
.height
= height
;
1012 surf
->base
.format
= format
;
1013 surf
->base
.flags
= flags
;
1019 gbm_dri_surface_destroy(struct gbm_surface
*_surf
)
1021 struct gbm_dri_surface
*surf
= gbm_dri_surface(_surf
);
1027 dri_destroy(struct gbm_device
*gbm
)
1029 struct gbm_dri_device
*dri
= gbm_dri_device(gbm
);
1033 dri
->core
->destroyContext(dri
->context
);
1035 dri
->core
->destroyScreen(dri
->screen
);
1036 for (i
= 0; dri
->driver_configs
[i
]; i
++)
1037 free((__DRIconfig
*) dri
->driver_configs
[i
]);
1038 free(dri
->driver_configs
);
1039 dlclose(dri
->driver
);
1040 free(dri
->base
.driver_name
);
1045 static struct gbm_device
*
1046 dri_device_create(int fd
)
1048 struct gbm_dri_device
*dri
;
1051 dri
= calloc(1, sizeof *dri
);
1055 dri
->base
.base
.fd
= fd
;
1056 dri
->base
.base
.bo_create
= gbm_dri_bo_create
;
1057 dri
->base
.base
.bo_import
= gbm_dri_bo_import
;
1058 dri
->base
.base
.bo_map
= gbm_dri_bo_map
;
1059 dri
->base
.base
.bo_unmap
= gbm_dri_bo_unmap
;
1060 dri
->base
.base
.is_format_supported
= gbm_dri_is_format_supported
;
1061 dri
->base
.base
.bo_write
= gbm_dri_bo_write
;
1062 dri
->base
.base
.bo_get_fd
= gbm_dri_bo_get_fd
;
1063 dri
->base
.base
.bo_destroy
= gbm_dri_bo_destroy
;
1064 dri
->base
.base
.destroy
= dri_destroy
;
1065 dri
->base
.base
.surface_create
= gbm_dri_surface_create
;
1066 dri
->base
.base
.surface_destroy
= gbm_dri_surface_destroy
;
1068 dri
->base
.type
= GBM_DRM_DRIVER_TYPE_DRI
;
1069 dri
->base
.base
.name
= "drm";
1071 mtx_init(&dri
->mutex
, mtx_plain
);
1073 force_sw
= getenv("GBM_ALWAYS_SOFTWARE") != NULL
;
1075 ret
= dri_screen_create(dri
);
1077 ret
= dri_screen_create_sw(dri
);
1079 ret
= dri_screen_create_sw(dri
);
1085 return &dri
->base
.base
;
1093 struct gbm_backend gbm_dri_backend
= {
1094 .backend_name
= "dri",
1095 .create_device
= dri_device_create
,