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>
38 #include <sys/types.h>
43 #include <GL/gl.h> /* dri_interface needs GL types */
44 #include <GL/internal/dri_interface.h>
46 #include "gbm_driint.h"
51 /* For importing wl_buffer */
52 #if HAVE_WAYLAND_PLATFORM
53 #include "../../../egl/wayland/wayland-drm/wayland-drm.h"
57 dri_lookup_egl_image(__DRIscreen
*screen
, void *image
, void *data
)
59 struct gbm_dri_device
*dri
= data
;
61 if (dri
->lookup_image
== NULL
)
64 return dri
->lookup_image(screen
, image
, dri
->lookup_user_data
);
68 dri_get_buffers(__DRIdrawable
* driDrawable
,
69 int *width
, int *height
,
70 unsigned int *attachments
, int count
,
71 int *out_count
, void *data
)
73 struct gbm_dri_surface
*surf
= data
;
74 struct gbm_dri_device
*dri
= gbm_dri_device(surf
->base
.gbm
);
76 if (dri
->get_buffers
== NULL
)
79 return dri
->get_buffers(driDrawable
, width
, height
, attachments
,
80 count
, out_count
, surf
->dri_private
);
84 dri_flush_front_buffer(__DRIdrawable
* driDrawable
, void *data
)
86 struct gbm_dri_surface
*surf
= data
;
87 struct gbm_dri_device
*dri
= gbm_dri_device(surf
->base
.gbm
);
89 if (dri
->flush_front_buffer
!= NULL
)
90 dri
->flush_front_buffer(driDrawable
, surf
->dri_private
);
94 dri_get_buffers_with_format(__DRIdrawable
* driDrawable
,
95 int *width
, int *height
,
96 unsigned int *attachments
, int count
,
97 int *out_count
, void *data
)
99 struct gbm_dri_surface
*surf
= data
;
100 struct gbm_dri_device
*dri
= gbm_dri_device(surf
->base
.gbm
);
102 if (dri
->get_buffers_with_format
== NULL
)
106 dri
->get_buffers_with_format(driDrawable
, width
, height
, attachments
,
107 count
, out_count
, surf
->dri_private
);
111 image_get_buffers(__DRIdrawable
*driDrawable
,
115 uint32_t buffer_mask
,
116 struct __DRIimageList
*buffers
)
118 struct gbm_dri_surface
*surf
= loaderPrivate
;
119 struct gbm_dri_device
*dri
= gbm_dri_device(surf
->base
.gbm
);
121 if (dri
->image_get_buffers
== NULL
)
124 return dri
->image_get_buffers(driDrawable
, format
, stamp
,
125 surf
->dri_private
, buffer_mask
, buffers
);
129 swrast_get_drawable_info(__DRIdrawable
*driDrawable
,
136 struct gbm_dri_surface
*surf
= loaderPrivate
;
140 *width
= surf
->base
.width
;
141 *height
= surf
->base
.height
;
145 swrast_put_image2(__DRIdrawable
*driDrawable
,
155 struct gbm_dri_surface
*surf
= loaderPrivate
;
156 struct gbm_dri_device
*dri
= gbm_dri_device(surf
->base
.gbm
);
158 dri
->swrast_put_image2(driDrawable
,
160 width
, height
, stride
,
161 data
, surf
->dri_private
);
165 swrast_put_image(__DRIdrawable
*driDrawable
,
174 return swrast_put_image2(driDrawable
, op
, x
, y
, width
, height
,
175 width
* 4, data
, loaderPrivate
);
179 swrast_get_image(__DRIdrawable
*driDrawable
,
187 struct gbm_dri_surface
*surf
= loaderPrivate
;
188 struct gbm_dri_device
*dri
= gbm_dri_device(surf
->base
.gbm
);
190 dri
->swrast_get_image(driDrawable
,
193 data
, surf
->dri_private
);
196 static const __DRIuseInvalidateExtension use_invalidate
= {
197 .base
= { __DRI_USE_INVALIDATE
, 1 }
200 static const __DRIimageLookupExtension image_lookup_extension
= {
201 .base
= { __DRI_IMAGE_LOOKUP
, 1 },
203 .lookupEGLImage
= dri_lookup_egl_image
206 static const __DRIdri2LoaderExtension dri2_loader_extension
= {
207 .base
= { __DRI_DRI2_LOADER
, 3 },
209 .getBuffers
= dri_get_buffers
,
210 .flushFrontBuffer
= dri_flush_front_buffer
,
211 .getBuffersWithFormat
= dri_get_buffers_with_format
,
214 static const __DRIimageLoaderExtension image_loader_extension
= {
215 .base
= { __DRI_IMAGE_LOADER
, 1 },
217 .getBuffers
= image_get_buffers
,
218 .flushFrontBuffer
= dri_flush_front_buffer
,
221 static const __DRIswrastLoaderExtension swrast_loader_extension
= {
222 .base
= { __DRI_SWRAST_LOADER
, 2 },
224 .getDrawableInfo
= swrast_get_drawable_info
,
225 .putImage
= swrast_put_image
,
226 .getImage
= swrast_get_image
,
227 .putImage2
= swrast_put_image2
230 static const __DRIextension
*gbm_dri_screen_extensions
[] = {
231 &image_lookup_extension
.base
,
232 &use_invalidate
.base
,
233 &dri2_loader_extension
.base
,
234 &image_loader_extension
.base
,
235 &swrast_loader_extension
.base
,
239 struct dri_extension_match
{
246 static struct dri_extension_match dri_core_extensions
[] = {
247 { __DRI2_FLUSH
, 1, offsetof(struct gbm_dri_device
, flush
) },
248 { __DRI_IMAGE
, 1, offsetof(struct gbm_dri_device
, image
) },
249 { __DRI2_FENCE
, 1, offsetof(struct gbm_dri_device
, fence
), 1 },
250 { __DRI2_INTEROP
, 1, offsetof(struct gbm_dri_device
, interop
), 1 },
254 static struct dri_extension_match gbm_dri_device_extensions
[] = {
255 { __DRI_CORE
, 1, offsetof(struct gbm_dri_device
, core
) },
256 { __DRI_DRI2
, 1, offsetof(struct gbm_dri_device
, dri2
) },
260 static struct dri_extension_match gbm_swrast_device_extensions
[] = {
261 { __DRI_CORE
, 1, offsetof(struct gbm_dri_device
, core
), },
262 { __DRI_SWRAST
, 1, offsetof(struct gbm_dri_device
, swrast
) },
267 dri_bind_extensions(struct gbm_dri_device
*dri
,
268 struct dri_extension_match
*matches
,
269 const __DRIextension
**extensions
)
274 for (i
= 0; extensions
[i
]; i
++) {
275 for (j
= 0; matches
[j
].name
; j
++) {
276 if (strcmp(extensions
[i
]->name
, matches
[j
].name
) == 0 &&
277 extensions
[i
]->version
>= matches
[j
].version
) {
278 field
= ((char *) dri
+ matches
[j
].offset
);
279 *(const __DRIextension
**) field
= extensions
[i
];
284 for (j
= 0; matches
[j
].name
; j
++) {
285 field
= ((char *) dri
+ matches
[j
].offset
);
286 if ((*(const __DRIextension
**) field
== NULL
) && !matches
[j
].optional
) {
294 static const __DRIextension
**
295 dri_open_driver(struct gbm_dri_device
*dri
)
297 const __DRIextension
**extensions
= NULL
;
298 char path
[PATH_MAX
], *search_paths
, *p
, *next
, *end
;
299 char *get_extensions_name
;
302 /* don't allow setuid apps to use LIBGL_DRIVERS_PATH or GBM_DRIVERS_PATH */
303 if (geteuid() == getuid()) {
304 /* Read GBM_DRIVERS_PATH first for compatibility, but LIBGL_DRIVERS_PATH
305 * is recommended over GBM_DRIVERS_PATH.
307 search_paths
= getenv("GBM_DRIVERS_PATH");
309 /* Read LIBGL_DRIVERS_PATH if GBM_DRIVERS_PATH was not set.
310 * LIBGL_DRIVERS_PATH is recommended over GBM_DRIVERS_PATH.
312 if (search_paths
== NULL
) {
313 search_paths
= getenv("LIBGL_DRIVERS_PATH");
316 if (search_paths
== NULL
)
317 search_paths
= DEFAULT_DRIVER_DIR
;
319 /* Temporarily work around dri driver libs that need symbols in libglapi
320 * but don't automatically link it in.
322 /* XXX: Library name differs on per platforms basis. Update this as
323 * osx/cygwin/windows/bsd gets support for GBM..
325 dlopen("libglapi.so.0", RTLD_LAZY
| RTLD_GLOBAL
);
328 end
= search_paths
+ strlen(search_paths
);
329 for (p
= search_paths
; p
< end
&& dri
->driver
== NULL
; p
= next
+ 1) {
331 next
= strchr(p
, ':');
337 snprintf(path
, sizeof path
,
338 "%.*s/tls/%s_dri.so", len
, p
, dri
->base
.driver_name
);
339 dri
->driver
= dlopen(path
, RTLD_NOW
| RTLD_GLOBAL
);
341 if (dri
->driver
== NULL
) {
342 snprintf(path
, sizeof path
,
343 "%.*s/%s_dri.so", len
, p
, dri
->base
.driver_name
);
344 dri
->driver
= dlopen(path
, RTLD_NOW
| RTLD_GLOBAL
);
346 /* not need continue to loop all paths once the driver is found */
347 if (dri
->driver
!= NULL
)
351 snprintf(path
, sizeof path
, "%.*s/gallium_dri.so", len
, p
);
352 dri
->driver
= dlopen(path
, RTLD_NOW
| RTLD_GLOBAL
);
353 if (dri
->driver
== NULL
)
354 sprintf("failed to open %s: %s\n", path
, dlerror());
360 if (dri
->driver
== NULL
) {
361 fprintf(stderr
, "gbm: failed to open any driver (search paths %s)\n",
363 fprintf(stderr
, "gbm: Last dlopen error: %s\n", dlerror());
367 get_extensions_name
= loader_get_extensions_name(dri
->base
.driver_name
);
368 if (get_extensions_name
) {
369 const __DRIextension
**(*get_extensions
)(void);
371 get_extensions
= dlsym(dri
->driver
, get_extensions_name
);
372 free(get_extensions_name
);
375 extensions
= get_extensions();
379 extensions
= dlsym(dri
->driver
, __DRI_DRIVER_EXTENSIONS
);
380 if (extensions
== NULL
) {
381 fprintf(stderr
, "gbm: driver exports no extensions (%s)", dlerror());
382 dlclose(dri
->driver
);
389 dri_load_driver(struct gbm_dri_device
*dri
)
391 const __DRIextension
**extensions
;
393 extensions
= dri_open_driver(dri
);
397 if (dri_bind_extensions(dri
, gbm_dri_device_extensions
, extensions
) < 0) {
398 dlclose(dri
->driver
);
399 fprintf(stderr
, "failed to bind extensions\n");
403 dri
->driver_extensions
= extensions
;
409 dri_load_driver_swrast(struct gbm_dri_device
*dri
)
411 const __DRIextension
**extensions
;
413 extensions
= dri_open_driver(dri
);
417 if (dri_bind_extensions(dri
, gbm_swrast_device_extensions
, extensions
) < 0) {
418 dlclose(dri
->driver
);
419 fprintf(stderr
, "failed to bind extensions\n");
423 dri
->driver_extensions
= extensions
;
429 dri_screen_create_dri2(struct gbm_dri_device
*dri
, char *driver_name
)
431 const __DRIextension
**extensions
;
434 dri
->base
.driver_name
= driver_name
;
435 if (dri
->base
.driver_name
== NULL
)
438 ret
= dri_load_driver(dri
);
440 fprintf(stderr
, "failed to load driver: %s\n", dri
->base
.driver_name
);
444 dri
->loader_extensions
= gbm_dri_screen_extensions
;
446 if (dri
->dri2
== NULL
)
449 if (dri
->dri2
->base
.version
>= 4) {
450 dri
->screen
= dri
->dri2
->createNewScreen2(0, dri
->base
.base
.fd
,
451 dri
->loader_extensions
,
452 dri
->driver_extensions
,
453 &dri
->driver_configs
, dri
);
455 dri
->screen
= dri
->dri2
->createNewScreen(0, dri
->base
.base
.fd
,
456 dri
->loader_extensions
,
457 &dri
->driver_configs
, dri
);
459 if (dri
->screen
== NULL
)
462 extensions
= dri
->core
->getExtensions(dri
->screen
);
463 if (dri_bind_extensions(dri
, dri_core_extensions
, extensions
) < 0) {
468 dri
->lookup_image
= NULL
;
469 dri
->lookup_user_data
= NULL
;
474 dri
->core
->destroyScreen(dri
->screen
);
480 dri_screen_create_swrast(struct gbm_dri_device
*dri
)
484 dri
->base
.driver_name
= strdup("swrast");
485 if (dri
->base
.driver_name
== NULL
)
488 ret
= dri_load_driver_swrast(dri
);
490 fprintf(stderr
, "failed to load swrast driver\n");
494 dri
->loader_extensions
= gbm_dri_screen_extensions
;
496 if (dri
->swrast
== NULL
)
499 if (dri
->swrast
->base
.version
>= 4) {
500 dri
->screen
= dri
->swrast
->createNewScreen2(0, dri
->loader_extensions
,
501 dri
->driver_extensions
,
502 &dri
->driver_configs
, dri
);
504 dri
->screen
= dri
->swrast
->createNewScreen(0, dri
->loader_extensions
,
505 &dri
->driver_configs
, dri
);
507 if (dri
->screen
== NULL
)
510 dri
->lookup_image
= NULL
;
511 dri
->lookup_user_data
= NULL
;
517 dri_screen_create(struct gbm_dri_device
*dri
)
521 driver_name
= loader_get_driver_for_fd(dri
->base
.base
.fd
);
525 return dri_screen_create_dri2(dri
, driver_name
);
529 dri_screen_create_sw(struct gbm_dri_device
*dri
)
534 driver_name
= strdup("kms_swrast");
538 ret
= dri_screen_create_dri2(dri
, driver_name
);
542 return dri_screen_create_swrast(dri
);
546 gbm_dri_is_format_supported(struct gbm_device
*gbm
,
551 case GBM_BO_FORMAT_XRGB8888
:
552 case GBM_FORMAT_XBGR8888
:
553 case GBM_FORMAT_XRGB8888
:
555 case GBM_BO_FORMAT_ARGB8888
:
556 case GBM_FORMAT_ARGB8888
:
557 if (usage
& GBM_BO_USE_SCANOUT
)
564 if (usage
& GBM_BO_USE_CURSOR
&&
565 usage
& GBM_BO_USE_RENDERING
)
572 gbm_dri_bo_write(struct gbm_bo
*_bo
, const void *buf
, size_t count
)
574 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
576 if (bo
->image
!= NULL
) {
581 memcpy(bo
->map
, buf
, count
);
587 gbm_dri_bo_get_fd(struct gbm_bo
*_bo
)
589 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
590 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
593 if (bo
->image
== NULL
)
596 if (!dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_FD
, &fd
))
603 gbm_dri_bo_destroy(struct gbm_bo
*_bo
)
605 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
606 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
607 struct drm_mode_destroy_dumb arg
;
609 if (bo
->image
!= NULL
) {
610 dri
->image
->destroyImage(bo
->image
);
612 gbm_dri_bo_unmap_dumb(bo
);
613 memset(&arg
, 0, sizeof(arg
));
614 arg
.handle
= bo
->handle
;
615 drmIoctl(dri
->base
.base
.fd
, DRM_IOCTL_MODE_DESTROY_DUMB
, &arg
);
622 gbm_dri_to_gbm_format(uint32_t dri_format
)
626 switch (dri_format
) {
627 case __DRI_IMAGE_FORMAT_RGB565
:
628 ret
= GBM_FORMAT_RGB565
;
630 case __DRI_IMAGE_FORMAT_XRGB8888
:
631 ret
= GBM_FORMAT_XRGB8888
;
633 case __DRI_IMAGE_FORMAT_ARGB8888
:
634 ret
= GBM_FORMAT_ARGB8888
;
636 case __DRI_IMAGE_FORMAT_XBGR8888
:
637 ret
= GBM_FORMAT_XBGR8888
;
639 case __DRI_IMAGE_FORMAT_ABGR8888
:
640 ret
= GBM_FORMAT_ABGR8888
;
650 static struct gbm_bo
*
651 gbm_dri_bo_import(struct gbm_device
*gbm
,
652 uint32_t type
, void *buffer
, uint32_t usage
)
654 struct gbm_dri_device
*dri
= gbm_dri_device(gbm
);
655 struct gbm_dri_bo
*bo
;
657 unsigned dri_use
= 0;
660 /* Required for query image WIDTH & HEIGHT */
661 if (dri
->image
== NULL
|| dri
->image
->base
.version
< 4) {
667 #if HAVE_WAYLAND_PLATFORM
668 case GBM_BO_IMPORT_WL_BUFFER
:
670 struct wl_drm_buffer
*wb
;
677 wb
= wayland_drm_buffer_get(dri
->wl_drm
, (struct wl_resource
*) buffer
);
683 image
= dri
->image
->dupImage(wb
->driver_buffer
, NULL
);
685 switch (wb
->format
) {
686 case WL_DRM_FORMAT_XRGB8888
:
687 gbm_format
= GBM_FORMAT_XRGB8888
;
689 case WL_DRM_FORMAT_ARGB8888
:
690 gbm_format
= GBM_FORMAT_ARGB8888
;
692 case WL_DRM_FORMAT_RGB565
:
693 gbm_format
= GBM_FORMAT_RGB565
;
695 case WL_DRM_FORMAT_YUYV
:
696 gbm_format
= GBM_FORMAT_YUYV
;
699 dri
->image
->destroyImage(image
);
706 case GBM_BO_IMPORT_EGL_IMAGE
:
709 if (dri
->lookup_image
== NULL
) {
714 image
= dri
->lookup_image(dri
->screen
, buffer
, dri
->lookup_user_data
);
715 image
= dri
->image
->dupImage(image
, NULL
);
716 dri
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_FORMAT
, &dri_format
);
717 gbm_format
= gbm_dri_to_gbm_format(dri_format
);
718 if (gbm_format
== 0) {
720 dri
->image
->destroyImage(image
);
726 case GBM_BO_IMPORT_FD
:
728 struct gbm_import_fd_data
*fd_data
= buffer
;
729 int stride
= fd_data
->stride
, offset
= 0;
732 switch (fd_data
->format
) {
733 case GBM_BO_FORMAT_XRGB8888
:
734 dri_format
= GBM_FORMAT_XRGB8888
;
736 case GBM_BO_FORMAT_ARGB8888
:
737 dri_format
= GBM_FORMAT_ARGB8888
;
740 dri_format
= fd_data
->format
;
743 image
= dri
->image
->createImageFromFds(dri
->screen
,
754 gbm_format
= fd_data
->format
;
764 bo
= calloc(1, sizeof *bo
);
766 dri
->image
->destroyImage(image
);
772 if (usage
& GBM_BO_USE_SCANOUT
)
773 dri_use
|= __DRI_IMAGE_USE_SCANOUT
;
774 if (usage
& GBM_BO_USE_CURSOR
)
775 dri_use
|= __DRI_IMAGE_USE_CURSOR
;
776 if (dri
->image
->base
.version
>= 2 &&
777 !dri
->image
->validateUsage(bo
->image
, dri_use
)) {
779 dri
->image
->destroyImage(bo
->image
);
784 bo
->base
.base
.gbm
= gbm
;
785 bo
->base
.base
.format
= gbm_format
;
787 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_WIDTH
,
788 (int*)&bo
->base
.base
.width
);
789 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_HEIGHT
,
790 (int*)&bo
->base
.base
.height
);
791 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_STRIDE
,
792 (int*)&bo
->base
.base
.stride
);
793 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_HANDLE
,
794 &bo
->base
.base
.handle
.s32
);
796 return &bo
->base
.base
;
800 is_planar_format(uint32_t format
)
803 case GBM_FORMAT_NV12
:
804 case GBM_FORMAT_NV21
:
805 case GBM_FORMAT_NV16
:
806 case GBM_FORMAT_NV61
:
807 case GBM_FORMAT_YUV410
:
808 case GBM_FORMAT_YVU410
:
809 case GBM_FORMAT_YUV411
:
810 case GBM_FORMAT_YVU411
:
811 case GBM_FORMAT_YUV420
:
812 case GBM_FORMAT_YVU420
:
813 case GBM_FORMAT_YUV422
:
814 case GBM_FORMAT_YVU422
:
815 case GBM_FORMAT_YUV444
:
816 case GBM_FORMAT_YVU444
:
824 static struct gbm_bo
*
825 create_dumb(struct gbm_device
*gbm
,
826 uint32_t width
, uint32_t height
,
827 uint32_t format
, uint32_t usage
)
829 struct gbm_dri_device
*dri
= gbm_dri_device(gbm
);
830 struct drm_mode_create_dumb create_arg
;
831 struct gbm_dri_bo
*bo
;
832 struct drm_mode_destroy_dumb destroy_arg
;
834 int is_cursor
, is_scanout
;
836 is_cursor
= (usage
& GBM_BO_USE_CURSOR
) != 0 &&
837 format
== GBM_FORMAT_ARGB8888
;
838 is_scanout
= (usage
& GBM_BO_USE_SCANOUT
) != 0 &&
839 format
== GBM_FORMAT_XRGB8888
;
840 if (!is_cursor
&& !is_scanout
) {
845 if (is_planar_format(format
)) {
850 bo
= calloc(1, sizeof *bo
);
854 memset(&create_arg
, 0, sizeof(create_arg
));
856 create_arg
.width
= width
;
857 create_arg
.height
= height
;
859 ret
= drmIoctl(dri
->base
.base
.fd
, DRM_IOCTL_MODE_CREATE_DUMB
, &create_arg
);
863 bo
->base
.base
.gbm
= gbm
;
864 bo
->base
.base
.width
= width
;
865 bo
->base
.base
.height
= height
;
866 bo
->base
.base
.stride
= create_arg
.pitch
;
867 bo
->base
.base
.format
= format
;
868 bo
->base
.base
.handle
.u32
= create_arg
.handle
;
869 bo
->handle
= create_arg
.handle
;
870 bo
->size
= create_arg
.size
;
872 if (gbm_dri_bo_map_dumb(bo
) == NULL
)
875 return &bo
->base
.base
;
878 memset(&destroy_arg
, 0, sizeof destroy_arg
);
879 destroy_arg
.handle
= create_arg
.handle
;
880 drmIoctl(dri
->base
.base
.fd
, DRM_IOCTL_MODE_DESTROY_DUMB
, &destroy_arg
);
887 static struct gbm_bo
*
888 gbm_dri_bo_create(struct gbm_device
*gbm
,
889 uint32_t width
, uint32_t height
,
890 uint32_t format
, uint32_t usage
)
892 struct gbm_dri_device
*dri
= gbm_dri_device(gbm
);
893 struct gbm_dri_bo
*bo
;
895 unsigned dri_use
= 0;
897 if (usage
& GBM_BO_USE_WRITE
|| dri
->image
== NULL
)
898 return create_dumb(gbm
, width
, height
, format
, usage
);
900 bo
= calloc(1, sizeof *bo
);
904 bo
->base
.base
.gbm
= gbm
;
905 bo
->base
.base
.width
= width
;
906 bo
->base
.base
.height
= height
;
907 bo
->base
.base
.format
= format
;
911 dri_format
= __DRI_IMAGE_FORMAT_R8
;
913 case GBM_FORMAT_GR88
:
914 dri_format
= __DRI_IMAGE_FORMAT_GR88
;
916 case GBM_FORMAT_RGB565
:
917 dri_format
= __DRI_IMAGE_FORMAT_RGB565
;
919 case GBM_FORMAT_XRGB8888
:
920 case GBM_BO_FORMAT_XRGB8888
:
921 dri_format
= __DRI_IMAGE_FORMAT_XRGB8888
;
923 case GBM_FORMAT_ARGB8888
:
924 case GBM_BO_FORMAT_ARGB8888
:
925 dri_format
= __DRI_IMAGE_FORMAT_ARGB8888
;
927 case GBM_FORMAT_ABGR8888
:
928 dri_format
= __DRI_IMAGE_FORMAT_ABGR8888
;
930 case GBM_FORMAT_XBGR8888
:
931 dri_format
= __DRI_IMAGE_FORMAT_XBGR8888
;
933 case GBM_FORMAT_ARGB2101010
:
934 dri_format
= __DRI_IMAGE_FORMAT_ARGB2101010
;
936 case GBM_FORMAT_XRGB2101010
:
937 dri_format
= __DRI_IMAGE_FORMAT_XRGB2101010
;
944 if (usage
& GBM_BO_USE_SCANOUT
)
945 dri_use
|= __DRI_IMAGE_USE_SCANOUT
;
946 if (usage
& GBM_BO_USE_CURSOR
)
947 dri_use
|= __DRI_IMAGE_USE_CURSOR
;
948 if (usage
& GBM_BO_USE_LINEAR
)
949 dri_use
|= __DRI_IMAGE_USE_LINEAR
;
951 /* Gallium drivers requires shared in order to get the handle/stride */
952 dri_use
|= __DRI_IMAGE_USE_SHARE
;
955 dri
->image
->createImage(dri
->screen
,
959 if (bo
->image
== NULL
)
962 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_HANDLE
,
963 &bo
->base
.base
.handle
.s32
);
964 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_STRIDE
,
965 (int *) &bo
->base
.base
.stride
);
967 return &bo
->base
.base
;
975 gbm_dri_bo_map(struct gbm_bo
*_bo
,
976 uint32_t x
, uint32_t y
,
977 uint32_t width
, uint32_t height
,
978 uint32_t flags
, uint32_t *stride
, 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 /* If it's a dumb buffer, we already have a mapping */
985 *map_data
= (char *)bo
->map
+ (bo
->base
.base
.stride
* y
) + (x
* 4);
986 *stride
= bo
->base
.base
.stride
;
990 if (!dri
->image
|| dri
->image
->base
.version
< 12 || !dri
->image
->mapImage
) {
995 mtx_lock(&dri
->mutex
);
997 dri
->context
= dri
->dri2
->createNewContext(dri
->screen
, NULL
,
999 assert(dri
->context
);
1000 mtx_unlock(&dri
->mutex
);
1002 /* GBM flags and DRI flags are the same, so just pass them on */
1003 return dri
->image
->mapImage(dri
->context
, bo
->image
, x
, y
,
1004 width
, height
, flags
, (int *)stride
,
1009 gbm_dri_bo_unmap(struct gbm_bo
*_bo
, void *map_data
)
1011 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
1012 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
1014 /* Check if it's a dumb buffer and check the pointer is in range */
1016 assert(map_data
>= bo
->map
);
1017 assert(map_data
< (bo
->map
+ bo
->size
));
1021 if (!dri
->context
|| !dri
->image
||
1022 dri
->image
->base
.version
< 12 || !dri
->image
->unmapImage
)
1025 dri
->image
->unmapImage(dri
->context
, bo
->image
, map_data
);
1029 static struct gbm_surface
*
1030 gbm_dri_surface_create(struct gbm_device
*gbm
,
1031 uint32_t width
, uint32_t height
,
1032 uint32_t format
, uint32_t flags
)
1034 struct gbm_dri_surface
*surf
;
1036 surf
= calloc(1, sizeof *surf
);
1040 surf
->base
.gbm
= gbm
;
1041 surf
->base
.width
= width
;
1042 surf
->base
.height
= height
;
1043 surf
->base
.format
= format
;
1044 surf
->base
.flags
= flags
;
1050 gbm_dri_surface_destroy(struct gbm_surface
*_surf
)
1052 struct gbm_dri_surface
*surf
= gbm_dri_surface(_surf
);
1058 dri_destroy(struct gbm_device
*gbm
)
1060 struct gbm_dri_device
*dri
= gbm_dri_device(gbm
);
1064 dri
->core
->destroyContext(dri
->context
);
1066 dri
->core
->destroyScreen(dri
->screen
);
1067 for (i
= 0; dri
->driver_configs
[i
]; i
++)
1068 free((__DRIconfig
*) dri
->driver_configs
[i
]);
1069 free(dri
->driver_configs
);
1070 dlclose(dri
->driver
);
1071 free(dri
->base
.driver_name
);
1076 static struct gbm_device
*
1077 dri_device_create(int fd
)
1079 struct gbm_dri_device
*dri
;
1082 dri
= calloc(1, sizeof *dri
);
1086 dri
->base
.base
.fd
= fd
;
1087 dri
->base
.base
.bo_create
= gbm_dri_bo_create
;
1088 dri
->base
.base
.bo_import
= gbm_dri_bo_import
;
1089 dri
->base
.base
.bo_map
= gbm_dri_bo_map
;
1090 dri
->base
.base
.bo_unmap
= gbm_dri_bo_unmap
;
1091 dri
->base
.base
.is_format_supported
= gbm_dri_is_format_supported
;
1092 dri
->base
.base
.bo_write
= gbm_dri_bo_write
;
1093 dri
->base
.base
.bo_get_fd
= gbm_dri_bo_get_fd
;
1094 dri
->base
.base
.bo_destroy
= gbm_dri_bo_destroy
;
1095 dri
->base
.base
.destroy
= dri_destroy
;
1096 dri
->base
.base
.surface_create
= gbm_dri_surface_create
;
1097 dri
->base
.base
.surface_destroy
= gbm_dri_surface_destroy
;
1099 dri
->base
.type
= GBM_DRM_DRIVER_TYPE_DRI
;
1100 dri
->base
.base
.name
= "drm";
1102 mtx_init(&dri
->mutex
, mtx_plain
);
1104 force_sw
= getenv("GBM_ALWAYS_SOFTWARE") != NULL
;
1106 ret
= dri_screen_create(dri
);
1108 ret
= dri_screen_create_sw(dri
);
1110 ret
= dri_screen_create_sw(dri
);
1116 return &dri
->base
.base
;
1124 struct gbm_backend gbm_dri_backend
= {
1125 .backend_name
= "dri",
1126 .create_device
= dri_device_create
,