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>
42 #include "drm-uapi/drm_fourcc.h"
44 #include <GL/gl.h> /* dri_interface needs GL types */
45 #include <GL/internal/dri_interface.h>
47 #include "gbm_driint.h"
51 #include "util/debug.h"
52 #include "util/macros.h"
54 /* For importing wl_buffer */
55 #if HAVE_WAYLAND_PLATFORM
56 #include "wayland-drm.h"
60 dri_lookup_egl_image(__DRIscreen
*screen
, void *image
, void *data
)
62 struct gbm_dri_device
*dri
= data
;
64 if (dri
->lookup_image
== NULL
)
67 return dri
->lookup_image(screen
, image
, dri
->lookup_user_data
);
71 dri_get_buffers(__DRIdrawable
* driDrawable
,
72 int *width
, int *height
,
73 unsigned int *attachments
, int count
,
74 int *out_count
, void *data
)
76 struct gbm_dri_surface
*surf
= data
;
77 struct gbm_dri_device
*dri
= gbm_dri_device(surf
->base
.gbm
);
79 if (dri
->get_buffers
== NULL
)
82 return dri
->get_buffers(driDrawable
, width
, height
, attachments
,
83 count
, out_count
, surf
->dri_private
);
87 dri_flush_front_buffer(__DRIdrawable
* driDrawable
, void *data
)
89 struct gbm_dri_surface
*surf
= data
;
90 struct gbm_dri_device
*dri
= gbm_dri_device(surf
->base
.gbm
);
92 if (dri
->flush_front_buffer
!= NULL
)
93 dri
->flush_front_buffer(driDrawable
, surf
->dri_private
);
97 dri_get_buffers_with_format(__DRIdrawable
* driDrawable
,
98 int *width
, int *height
,
99 unsigned int *attachments
, int count
,
100 int *out_count
, void *data
)
102 struct gbm_dri_surface
*surf
= data
;
103 struct gbm_dri_device
*dri
= gbm_dri_device(surf
->base
.gbm
);
105 if (dri
->get_buffers_with_format
== NULL
)
109 dri
->get_buffers_with_format(driDrawable
, width
, height
, attachments
,
110 count
, out_count
, surf
->dri_private
);
114 image_get_buffers(__DRIdrawable
*driDrawable
,
118 uint32_t buffer_mask
,
119 struct __DRIimageList
*buffers
)
121 struct gbm_dri_surface
*surf
= loaderPrivate
;
122 struct gbm_dri_device
*dri
= gbm_dri_device(surf
->base
.gbm
);
124 if (dri
->image_get_buffers
== NULL
)
127 return dri
->image_get_buffers(driDrawable
, format
, stamp
,
128 surf
->dri_private
, buffer_mask
, buffers
);
132 swrast_get_drawable_info(__DRIdrawable
*driDrawable
,
139 struct gbm_dri_surface
*surf
= loaderPrivate
;
143 *width
= surf
->base
.width
;
144 *height
= surf
->base
.height
;
148 swrast_put_image2(__DRIdrawable
*driDrawable
,
158 struct gbm_dri_surface
*surf
= loaderPrivate
;
159 struct gbm_dri_device
*dri
= gbm_dri_device(surf
->base
.gbm
);
161 dri
->swrast_put_image2(driDrawable
,
163 width
, height
, stride
,
164 data
, surf
->dri_private
);
168 swrast_put_image(__DRIdrawable
*driDrawable
,
177 swrast_put_image2(driDrawable
, op
, x
, y
, width
, height
,
178 width
* 4, data
, loaderPrivate
);
182 swrast_get_image(__DRIdrawable
*driDrawable
,
190 struct gbm_dri_surface
*surf
= loaderPrivate
;
191 struct gbm_dri_device
*dri
= gbm_dri_device(surf
->base
.gbm
);
193 dri
->swrast_get_image(driDrawable
,
196 data
, surf
->dri_private
);
199 static const __DRIuseInvalidateExtension use_invalidate
= {
200 .base
= { __DRI_USE_INVALIDATE
, 1 }
203 static const __DRIimageLookupExtension image_lookup_extension
= {
204 .base
= { __DRI_IMAGE_LOOKUP
, 1 },
206 .lookupEGLImage
= dri_lookup_egl_image
209 static const __DRIdri2LoaderExtension dri2_loader_extension
= {
210 .base
= { __DRI_DRI2_LOADER
, 3 },
212 .getBuffers
= dri_get_buffers
,
213 .flushFrontBuffer
= dri_flush_front_buffer
,
214 .getBuffersWithFormat
= dri_get_buffers_with_format
,
217 static const __DRIimageLoaderExtension image_loader_extension
= {
218 .base
= { __DRI_IMAGE_LOADER
, 1 },
220 .getBuffers
= image_get_buffers
,
221 .flushFrontBuffer
= dri_flush_front_buffer
,
224 static const __DRIswrastLoaderExtension swrast_loader_extension
= {
225 .base
= { __DRI_SWRAST_LOADER
, 2 },
227 .getDrawableInfo
= swrast_get_drawable_info
,
228 .putImage
= swrast_put_image
,
229 .getImage
= swrast_get_image
,
230 .putImage2
= swrast_put_image2
233 static const __DRIextension
*gbm_dri_screen_extensions
[] = {
234 &image_lookup_extension
.base
,
235 &use_invalidate
.base
,
236 &dri2_loader_extension
.base
,
237 &image_loader_extension
.base
,
238 &swrast_loader_extension
.base
,
242 struct dri_extension_match
{
249 static struct dri_extension_match dri_core_extensions
[] = {
250 { __DRI2_FLUSH
, 1, offsetof(struct gbm_dri_device
, flush
) },
251 { __DRI_IMAGE
, 1, offsetof(struct gbm_dri_device
, image
) },
252 { __DRI2_FENCE
, 1, offsetof(struct gbm_dri_device
, fence
), 1 },
256 static struct dri_extension_match gbm_dri_device_extensions
[] = {
257 { __DRI_CORE
, 1, offsetof(struct gbm_dri_device
, core
) },
258 { __DRI_DRI2
, 1, offsetof(struct gbm_dri_device
, dri2
) },
262 static struct dri_extension_match gbm_swrast_device_extensions
[] = {
263 { __DRI_CORE
, 1, offsetof(struct gbm_dri_device
, core
), },
264 { __DRI_SWRAST
, 1, offsetof(struct gbm_dri_device
, swrast
) },
269 dri_bind_extensions(struct gbm_dri_device
*dri
,
270 struct dri_extension_match
*matches
,
271 const __DRIextension
**extensions
)
276 for (i
= 0; extensions
[i
]; i
++) {
277 for (j
= 0; matches
[j
].name
; j
++) {
278 if (strcmp(extensions
[i
]->name
, matches
[j
].name
) == 0 &&
279 extensions
[i
]->version
>= matches
[j
].version
) {
280 field
= ((char *) dri
+ matches
[j
].offset
);
281 *(const __DRIextension
**) field
= extensions
[i
];
286 for (j
= 0; matches
[j
].name
; j
++) {
287 field
= ((char *) dri
+ matches
[j
].offset
);
288 if ((*(const __DRIextension
**) field
== NULL
) && !matches
[j
].optional
) {
296 static const __DRIextension
**
297 dri_open_driver(struct gbm_dri_device
*dri
)
299 /* Temporarily work around dri driver libs that need symbols in libglapi
300 * but don't automatically link it in.
302 /* XXX: Library name differs on per platforms basis. Update this as
303 * osx/cygwin/windows/bsd gets support for GBM..
305 dlopen("libglapi.so.0", RTLD_LAZY
| RTLD_GLOBAL
);
307 static const char *search_path_vars
[] = {
308 /* Read GBM_DRIVERS_PATH first for compatibility, but LIBGL_DRIVERS_PATH
309 * is recommended over GBM_DRIVERS_PATH.
312 /* Read LIBGL_DRIVERS_PATH if GBM_DRIVERS_PATH was not set.
313 * LIBGL_DRIVERS_PATH is recommended over GBM_DRIVERS_PATH.
315 "LIBGL_DRIVERS_PATH",
318 return loader_open_driver(dri
->driver_name
, &dri
->driver
, search_path_vars
);
322 dri_load_driver(struct gbm_dri_device
*dri
)
324 const __DRIextension
**extensions
;
326 extensions
= dri_open_driver(dri
);
330 if (dri_bind_extensions(dri
, gbm_dri_device_extensions
, extensions
) < 0) {
331 dlclose(dri
->driver
);
332 fprintf(stderr
, "failed to bind extensions\n");
336 dri
->driver_extensions
= extensions
;
342 dri_load_driver_swrast(struct gbm_dri_device
*dri
)
344 const __DRIextension
**extensions
;
346 extensions
= dri_open_driver(dri
);
350 if (dri_bind_extensions(dri
, gbm_swrast_device_extensions
, extensions
) < 0) {
351 dlclose(dri
->driver
);
352 fprintf(stderr
, "failed to bind extensions\n");
356 dri
->driver_extensions
= extensions
;
362 dri_screen_create_dri2(struct gbm_dri_device
*dri
, char *driver_name
)
364 const __DRIextension
**extensions
;
367 dri
->driver_name
= driver_name
;
368 if (dri
->driver_name
== NULL
)
371 ret
= dri_load_driver(dri
);
373 fprintf(stderr
, "failed to load driver: %s\n", dri
->driver_name
);
377 dri
->loader_extensions
= gbm_dri_screen_extensions
;
379 if (dri
->dri2
== NULL
)
382 if (dri
->dri2
->base
.version
>= 4) {
383 dri
->screen
= dri
->dri2
->createNewScreen2(0, dri
->base
.fd
,
384 dri
->loader_extensions
,
385 dri
->driver_extensions
,
386 &dri
->driver_configs
, dri
);
388 dri
->screen
= dri
->dri2
->createNewScreen(0, dri
->base
.fd
,
389 dri
->loader_extensions
,
390 &dri
->driver_configs
, dri
);
392 if (dri
->screen
== NULL
)
395 extensions
= dri
->core
->getExtensions(dri
->screen
);
396 if (dri_bind_extensions(dri
, dri_core_extensions
, extensions
) < 0) {
401 dri
->lookup_image
= NULL
;
402 dri
->lookup_user_data
= NULL
;
407 dri
->core
->destroyScreen(dri
->screen
);
413 dri_screen_create_swrast(struct gbm_dri_device
*dri
)
417 dri
->driver_name
= strdup("swrast");
418 if (dri
->driver_name
== NULL
)
421 ret
= dri_load_driver_swrast(dri
);
423 fprintf(stderr
, "failed to load swrast driver\n");
427 dri
->loader_extensions
= gbm_dri_screen_extensions
;
429 if (dri
->swrast
== NULL
)
432 if (dri
->swrast
->base
.version
>= 4) {
433 dri
->screen
= dri
->swrast
->createNewScreen2(0, dri
->loader_extensions
,
434 dri
->driver_extensions
,
435 &dri
->driver_configs
, dri
);
437 dri
->screen
= dri
->swrast
->createNewScreen(0, dri
->loader_extensions
,
438 &dri
->driver_configs
, dri
);
440 if (dri
->screen
== NULL
)
443 dri
->lookup_image
= NULL
;
444 dri
->lookup_user_data
= NULL
;
450 dri_screen_create(struct gbm_dri_device
*dri
)
454 driver_name
= loader_get_driver_for_fd(dri
->base
.fd
);
458 return dri_screen_create_dri2(dri
, driver_name
);
462 dri_screen_create_sw(struct gbm_dri_device
*dri
)
467 driver_name
= strdup("kms_swrast");
471 ret
= dri_screen_create_dri2(dri
, driver_name
);
475 return dri_screen_create_swrast(dri
);
478 static const struct gbm_dri_visual gbm_dri_visuals_table
[] = {
480 GBM_FORMAT_R8
, __DRI_IMAGE_FORMAT_R8
,
485 GBM_FORMAT_GR88
, __DRI_IMAGE_FORMAT_GR88
,
490 GBM_FORMAT_ARGB1555
, __DRI_IMAGE_FORMAT_ARGB1555
,
495 GBM_FORMAT_RGB565
, __DRI_IMAGE_FORMAT_RGB565
,
500 GBM_FORMAT_XRGB8888
, __DRI_IMAGE_FORMAT_XRGB8888
,
505 GBM_FORMAT_ARGB8888
, __DRI_IMAGE_FORMAT_ARGB8888
,
510 GBM_FORMAT_XBGR8888
, __DRI_IMAGE_FORMAT_XBGR8888
,
515 GBM_FORMAT_ABGR8888
, __DRI_IMAGE_FORMAT_ABGR8888
,
520 GBM_FORMAT_XRGB2101010
, __DRI_IMAGE_FORMAT_XRGB2101010
,
525 GBM_FORMAT_ARGB2101010
, __DRI_IMAGE_FORMAT_ARGB2101010
,
530 GBM_FORMAT_XBGR2101010
, __DRI_IMAGE_FORMAT_XBGR2101010
,
535 GBM_FORMAT_ABGR2101010
, __DRI_IMAGE_FORMAT_ABGR2101010
,
542 gbm_format_to_dri_format(uint32_t gbm_format
)
546 gbm_format
= gbm_format_canonicalize(gbm_format
);
547 for (i
= 0; i
< ARRAY_SIZE(gbm_dri_visuals_table
); i
++) {
548 if (gbm_dri_visuals_table
[i
].gbm_format
== gbm_format
)
549 return gbm_dri_visuals_table
[i
].dri_image_format
;
556 gbm_dri_to_gbm_format(int dri_format
)
560 for (i
= 0; i
< ARRAY_SIZE(gbm_dri_visuals_table
); i
++) {
561 if (gbm_dri_visuals_table
[i
].dri_image_format
== dri_format
)
562 return gbm_dri_visuals_table
[i
].gbm_format
;
569 gbm_dri_is_format_supported(struct gbm_device
*gbm
,
573 struct gbm_dri_device
*dri
= gbm_dri_device(gbm
);
576 if ((usage
& GBM_BO_USE_CURSOR
) && (usage
& GBM_BO_USE_RENDERING
))
579 format
= gbm_format_canonicalize(format
);
580 if (gbm_format_to_dri_format(format
) == 0)
583 /* If there is no query, fall back to the small table which was originally
585 if (dri
->image
->base
.version
<= 15 || !dri
->image
->queryDmaBufModifiers
) {
587 case GBM_FORMAT_XRGB8888
:
588 case GBM_FORMAT_ARGB8888
:
589 case GBM_FORMAT_XBGR8888
:
596 /* Check if the driver returns any modifiers for this format; since linear
597 * is counted as a modifier, we will have at least one modifier for any
598 * supported format. */
599 if (!dri
->image
->queryDmaBufModifiers(dri
->screen
, format
, 0, NULL
, NULL
,
607 gbm_dri_get_format_modifier_plane_count(struct gbm_device
*gbm
,
611 struct gbm_dri_device
*dri
= gbm_dri_device(gbm
);
612 uint64_t plane_count
;
614 if (dri
->image
->base
.version
< 16 ||
615 !dri
->image
->queryDmaBufFormatModifierAttribs
)
618 format
= gbm_format_canonicalize(format
);
619 if (gbm_format_to_dri_format(format
) == 0)
622 if (!dri
->image
->queryDmaBufFormatModifierAttribs(
623 dri
->screen
, format
, modifier
,
624 __DRI_IMAGE_FORMAT_MODIFIER_ATTRIB_PLANE_COUNT
, &plane_count
))
631 gbm_dri_bo_write(struct gbm_bo
*_bo
, const void *buf
, size_t count
)
633 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
635 if (bo
->image
!= NULL
) {
640 memcpy(bo
->map
, buf
, count
);
646 gbm_dri_bo_get_fd(struct gbm_bo
*_bo
)
648 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
649 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
652 if (bo
->image
== NULL
)
655 if (!dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_FD
, &fd
))
662 get_number_planes(struct gbm_dri_device
*dri
, __DRIimage
*image
)
666 /* Dumb buffers are single-plane only. */
670 dri
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_NUM_PLANES
, &num_planes
);
679 gbm_dri_bo_get_planes(struct gbm_bo
*_bo
)
681 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
682 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
684 return get_number_planes(dri
, bo
->image
);
687 static union gbm_bo_handle
688 gbm_dri_bo_get_handle_for_plane(struct gbm_bo
*_bo
, int plane
)
690 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
691 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
692 union gbm_bo_handle ret
;
695 if (!dri
->image
|| dri
->image
->base
.version
< 13 || !dri
->image
->fromPlanar
) {
696 /* Preserve legacy behavior if plane is 0 */
698 /* NOTE: return _bo->handle, *NOT* bo->handle which is invalid at this point */
706 if (plane
>= get_number_planes(dri
, bo
->image
)) {
711 /* dumb BOs can only utilize non-planar formats */
714 ret
.s32
= bo
->handle
;
718 __DRIimage
*image
= dri
->image
->fromPlanar(bo
->image
, plane
, NULL
);
720 dri
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_HANDLE
, &ret
.s32
);
721 dri
->image
->destroyImage(image
);
724 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_HANDLE
, &ret
.s32
);
731 gbm_dri_bo_get_stride(struct gbm_bo
*_bo
, int plane
)
733 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
734 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
738 if (!dri
->image
|| dri
->image
->base
.version
< 11 || !dri
->image
->fromPlanar
) {
739 /* Preserve legacy behavior if plane is 0 */
747 if (plane
>= get_number_planes(dri
, bo
->image
)) {
752 if (bo
->image
== NULL
) {
757 image
= dri
->image
->fromPlanar(bo
->image
, plane
, NULL
);
759 dri
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_STRIDE
, &stride
);
760 dri
->image
->destroyImage(image
);
763 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_STRIDE
, &stride
);
766 return (uint32_t)stride
;
770 gbm_dri_bo_get_offset(struct gbm_bo
*_bo
, int plane
)
772 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
773 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
776 /* These error cases do not actually return an error code, as the user
777 * will also fail to obtain the handle/FD from the BO. In that case, the
778 * offset is irrelevant, as they have no buffer to offset into, so
779 * returning 0 is harmless.
781 if (!dri
->image
|| dri
->image
->base
.version
< 13 || !dri
->image
->fromPlanar
)
784 if (plane
>= get_number_planes(dri
, bo
->image
))
787 /* Dumb images have no offset */
788 if (bo
->image
== NULL
) {
793 __DRIimage
*image
= dri
->image
->fromPlanar(bo
->image
, plane
, NULL
);
795 dri
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_OFFSET
, &offset
);
796 dri
->image
->destroyImage(image
);
799 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_OFFSET
, &offset
);
802 return (uint32_t)offset
;
806 gbm_dri_bo_get_modifier(struct gbm_bo
*_bo
)
808 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
809 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
811 if (!dri
->image
|| dri
->image
->base
.version
< 14) {
813 return DRM_FORMAT_MOD_INVALID
;
816 /* Dumb buffers have no modifiers */
818 return DRM_FORMAT_MOD_LINEAR
;
822 if (!dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_MODIFIER_UPPER
,
824 return DRM_FORMAT_MOD_INVALID
;
826 ret
= (uint64_t)mod
<< 32;
828 if (!dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_MODIFIER_LOWER
,
830 return DRM_FORMAT_MOD_INVALID
;
832 ret
|= (uint64_t)(mod
& 0xffffffff);
838 gbm_dri_bo_destroy(struct gbm_bo
*_bo
)
840 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
841 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
842 struct drm_mode_destroy_dumb arg
;
844 if (bo
->image
!= NULL
) {
845 dri
->image
->destroyImage(bo
->image
);
847 gbm_dri_bo_unmap_dumb(bo
);
848 memset(&arg
, 0, sizeof(arg
));
849 arg
.handle
= bo
->handle
;
850 drmIoctl(dri
->base
.fd
, DRM_IOCTL_MODE_DESTROY_DUMB
, &arg
);
856 static struct gbm_bo
*
857 gbm_dri_bo_import(struct gbm_device
*gbm
,
858 uint32_t type
, void *buffer
, uint32_t usage
)
860 struct gbm_dri_device
*dri
= gbm_dri_device(gbm
);
861 struct gbm_dri_bo
*bo
;
863 unsigned dri_use
= 0;
866 /* Required for query image WIDTH & HEIGHT */
867 if (dri
->image
== NULL
|| dri
->image
->base
.version
< 4) {
873 #if HAVE_WAYLAND_PLATFORM
874 case GBM_BO_IMPORT_WL_BUFFER
:
876 struct wl_drm_buffer
*wb
;
883 wb
= wayland_drm_buffer_get(dri
->wl_drm
, (struct wl_resource
*) buffer
);
889 image
= dri
->image
->dupImage(wb
->driver_buffer
, NULL
);
891 /* GBM_FORMAT_* is identical to WL_DRM_FORMAT_*, so no conversion
893 gbm_format
= wb
->format
;
898 case GBM_BO_IMPORT_EGL_IMAGE
:
901 if (dri
->lookup_image
== NULL
) {
906 image
= dri
->lookup_image(dri
->screen
, buffer
, dri
->lookup_user_data
);
907 image
= dri
->image
->dupImage(image
, NULL
);
908 dri
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_FORMAT
, &dri_format
);
909 gbm_format
= gbm_dri_to_gbm_format(dri_format
);
910 if (gbm_format
== 0) {
912 dri
->image
->destroyImage(image
);
918 case GBM_BO_IMPORT_FD
:
920 struct gbm_import_fd_data
*fd_data
= buffer
;
921 int stride
= fd_data
->stride
, offset
= 0;
924 /* GBM's GBM_FORMAT_* tokens are a strict superset of the DRI FourCC
925 * tokens accepted by createImageFromFds, except for not supporting
926 * the sARGB format. */
927 fourcc
= gbm_format_canonicalize(fd_data
->format
);
929 image
= dri
->image
->createImageFromFds(dri
->screen
,
940 gbm_format
= fd_data
->format
;
944 case GBM_BO_IMPORT_FD_MODIFIER
:
946 struct gbm_import_fd_modifier_data
*fd_data
= buffer
;
950 /* Import with modifier requires createImageFromDmaBufs2 */
951 if (dri
->image
== NULL
|| dri
->image
->base
.version
< 15 ||
952 dri
->image
->createImageFromDmaBufs2
== NULL
) {
957 /* GBM's GBM_FORMAT_* tokens are a strict superset of the DRI FourCC
958 * tokens accepted by createImageFromDmaBufs2, except for not supporting
959 * the sARGB format. */
960 fourcc
= gbm_format_canonicalize(fd_data
->format
);
962 image
= dri
->image
->createImageFromDmaBufs2(dri
->screen
, fd_data
->width
,
963 fd_data
->height
, fourcc
,
986 bo
= calloc(1, sizeof *bo
);
988 dri
->image
->destroyImage(image
);
994 if (usage
& GBM_BO_USE_SCANOUT
)
995 dri_use
|= __DRI_IMAGE_USE_SCANOUT
;
996 if (usage
& GBM_BO_USE_CURSOR
)
997 dri_use
|= __DRI_IMAGE_USE_CURSOR
;
998 if (dri
->image
->base
.version
>= 2 &&
999 !dri
->image
->validateUsage(bo
->image
, dri_use
)) {
1001 dri
->image
->destroyImage(bo
->image
);
1007 bo
->base
.format
= gbm_format
;
1009 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_WIDTH
,
1010 (int*)&bo
->base
.width
);
1011 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_HEIGHT
,
1012 (int*)&bo
->base
.height
);
1013 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_STRIDE
,
1014 (int*)&bo
->base
.stride
);
1015 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_HANDLE
,
1016 &bo
->base
.handle
.s32
);
1021 static struct gbm_bo
*
1022 create_dumb(struct gbm_device
*gbm
,
1023 uint32_t width
, uint32_t height
,
1024 uint32_t format
, uint32_t usage
)
1026 struct gbm_dri_device
*dri
= gbm_dri_device(gbm
);
1027 struct drm_mode_create_dumb create_arg
;
1028 struct gbm_dri_bo
*bo
;
1029 struct drm_mode_destroy_dumb destroy_arg
;
1031 int is_cursor
, is_scanout
;
1033 is_cursor
= (usage
& GBM_BO_USE_CURSOR
) != 0 &&
1034 format
== GBM_FORMAT_ARGB8888
;
1035 is_scanout
= (usage
& GBM_BO_USE_SCANOUT
) != 0 &&
1036 (format
== GBM_FORMAT_XRGB8888
|| format
== GBM_FORMAT_XBGR8888
);
1037 if (!is_cursor
&& !is_scanout
) {
1042 bo
= calloc(1, sizeof *bo
);
1046 memset(&create_arg
, 0, sizeof(create_arg
));
1047 create_arg
.bpp
= 32;
1048 create_arg
.width
= width
;
1049 create_arg
.height
= height
;
1051 ret
= drmIoctl(dri
->base
.fd
, DRM_IOCTL_MODE_CREATE_DUMB
, &create_arg
);
1056 bo
->base
.width
= width
;
1057 bo
->base
.height
= height
;
1058 bo
->base
.stride
= create_arg
.pitch
;
1059 bo
->base
.format
= format
;
1060 bo
->base
.handle
.u32
= create_arg
.handle
;
1061 bo
->handle
= create_arg
.handle
;
1062 bo
->size
= create_arg
.size
;
1064 if (gbm_dri_bo_map_dumb(bo
) == NULL
)
1070 memset(&destroy_arg
, 0, sizeof destroy_arg
);
1071 destroy_arg
.handle
= create_arg
.handle
;
1072 drmIoctl(dri
->base
.fd
, DRM_IOCTL_MODE_DESTROY_DUMB
, &destroy_arg
);
1079 static struct gbm_bo
*
1080 gbm_dri_bo_create(struct gbm_device
*gbm
,
1081 uint32_t width
, uint32_t height
,
1082 uint32_t format
, uint32_t usage
,
1083 const uint64_t *modifiers
,
1084 const unsigned int count
)
1086 struct gbm_dri_device
*dri
= gbm_dri_device(gbm
);
1087 struct gbm_dri_bo
*bo
;
1089 unsigned dri_use
= 0;
1091 /* Callers of this may specify a modifier, or a dri usage, but not both. The
1092 * newer modifier interface deprecates the older usage flags.
1094 assert(!(usage
&& count
));
1096 format
= gbm_format_canonicalize(format
);
1098 if (usage
& GBM_BO_USE_WRITE
|| dri
->image
== NULL
)
1099 return create_dumb(gbm
, width
, height
, format
, usage
);
1101 bo
= calloc(1, sizeof *bo
);
1106 bo
->base
.width
= width
;
1107 bo
->base
.height
= height
;
1108 bo
->base
.format
= format
;
1110 dri_format
= gbm_format_to_dri_format(format
);
1111 if (dri_format
== 0) {
1116 if (usage
& GBM_BO_USE_SCANOUT
)
1117 dri_use
|= __DRI_IMAGE_USE_SCANOUT
;
1118 if (usage
& GBM_BO_USE_CURSOR
)
1119 dri_use
|= __DRI_IMAGE_USE_CURSOR
;
1120 if (usage
& GBM_BO_USE_LINEAR
)
1121 dri_use
|= __DRI_IMAGE_USE_LINEAR
;
1123 /* Gallium drivers requires shared in order to get the handle/stride */
1124 dri_use
|= __DRI_IMAGE_USE_SHARE
;
1127 if (!dri
->image
|| dri
->image
->base
.version
< 14 ||
1128 !dri
->image
->createImageWithModifiers
) {
1129 fprintf(stderr
, "Modifiers specified, but DRI is too old\n");
1134 /* It's acceptable to create an image with INVALID modifier in the list,
1135 * but it cannot be on the only modifier (since it will certainly fail
1136 * later). While we could easily catch this after modifier creation, doing
1137 * the check here is a convenient debug check likely pointing at whatever
1138 * interface the client is using to build its modifier list.
1140 if (count
== 1 && modifiers
[0] == DRM_FORMAT_MOD_INVALID
) {
1141 fprintf(stderr
, "Only invalid modifier specified\n");
1147 dri
->image
->createImageWithModifiers(dri
->screen
,
1154 /* The client passed in a list of invalid modifiers */
1155 assert(gbm_dri_bo_get_modifier(&bo
->base
) != DRM_FORMAT_MOD_INVALID
);
1158 bo
->image
= dri
->image
->createImage(dri
->screen
, width
, height
,
1159 dri_format
, dri_use
, bo
);
1162 if (bo
->image
== NULL
)
1165 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_HANDLE
,
1166 &bo
->base
.handle
.s32
);
1167 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_STRIDE
,
1168 (int *) &bo
->base
.stride
);
1178 gbm_dri_bo_map(struct gbm_bo
*_bo
,
1179 uint32_t x
, uint32_t y
,
1180 uint32_t width
, uint32_t height
,
1181 uint32_t flags
, uint32_t *stride
, void **map_data
)
1183 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
1184 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
1186 /* If it's a dumb buffer, we already have a mapping */
1188 *map_data
= (char *)bo
->map
+ (bo
->base
.stride
* y
) + (x
* 4);
1189 *stride
= bo
->base
.stride
;
1193 if (!dri
->image
|| dri
->image
->base
.version
< 12 || !dri
->image
->mapImage
) {
1198 mtx_lock(&dri
->mutex
);
1200 dri
->context
= dri
->dri2
->createNewContext(dri
->screen
, NULL
,
1202 assert(dri
->context
);
1203 mtx_unlock(&dri
->mutex
);
1205 /* GBM flags and DRI flags are the same, so just pass them on */
1206 return dri
->image
->mapImage(dri
->context
, bo
->image
, x
, y
,
1207 width
, height
, flags
, (int *)stride
,
1212 gbm_dri_bo_unmap(struct gbm_bo
*_bo
, void *map_data
)
1214 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
1215 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
1217 /* Check if it's a dumb buffer and check the pointer is in range */
1219 assert(map_data
>= bo
->map
);
1220 assert(map_data
< (bo
->map
+ bo
->size
));
1224 if (!dri
->context
|| !dri
->image
||
1225 dri
->image
->base
.version
< 12 || !dri
->image
->unmapImage
)
1228 dri
->image
->unmapImage(dri
->context
, bo
->image
, map_data
);
1231 * Not all DRI drivers use direct maps. They may queue up DMA operations
1232 * on the mapping context. Since there is no explicit gbm flush
1233 * mechanism, we need to flush here.
1235 if (dri
->flush
->base
.version
>= 4)
1236 dri
->flush
->flush_with_flags(dri
->context
, NULL
, __DRI2_FLUSH_CONTEXT
, 0);
1240 static struct gbm_surface
*
1241 gbm_dri_surface_create(struct gbm_device
*gbm
,
1242 uint32_t width
, uint32_t height
,
1243 uint32_t format
, uint32_t flags
,
1244 const uint64_t *modifiers
, const unsigned count
)
1246 struct gbm_dri_device
*dri
= gbm_dri_device(gbm
);
1247 struct gbm_dri_surface
*surf
;
1250 (!dri
->image
|| dri
->image
->base
.version
< 14 ||
1251 !dri
->image
->createImageWithModifiers
)) {
1259 /* It's acceptable to create an image with INVALID modifier in the list,
1260 * but it cannot be on the only modifier (since it will certainly fail
1261 * later). While we could easily catch this after modifier creation, doing
1262 * the check here is a convenient debug check likely pointing at whatever
1263 * interface the client is using to build its modifier list.
1265 if (count
== 1 && modifiers
[0] == DRM_FORMAT_MOD_INVALID
) {
1266 fprintf(stderr
, "Only invalid modifier specified\n");
1270 surf
= calloc(1, sizeof *surf
);
1276 surf
->base
.gbm
= gbm
;
1277 surf
->base
.width
= width
;
1278 surf
->base
.height
= height
;
1279 surf
->base
.format
= gbm_format_canonicalize(format
);
1280 surf
->base
.flags
= flags
;
1286 surf
->base
.modifiers
= calloc(count
, sizeof(*modifiers
));
1287 if (count
&& !surf
->base
.modifiers
) {
1293 /* TODO: We are deferring validation of modifiers until the image is actually
1294 * created. This deferred creation can fail due to a modifier-format
1295 * mismatch. The result is the client has a surface but no object to back it.
1297 surf
->base
.count
= count
;
1298 memcpy(surf
->base
.modifiers
, modifiers
, count
* sizeof(*modifiers
));
1304 gbm_dri_surface_destroy(struct gbm_surface
*_surf
)
1306 struct gbm_dri_surface
*surf
= gbm_dri_surface(_surf
);
1308 free(surf
->base
.modifiers
);
1313 dri_destroy(struct gbm_device
*gbm
)
1315 struct gbm_dri_device
*dri
= gbm_dri_device(gbm
);
1319 dri
->core
->destroyContext(dri
->context
);
1321 dri
->core
->destroyScreen(dri
->screen
);
1322 for (i
= 0; dri
->driver_configs
[i
]; i
++)
1323 free((__DRIconfig
*) dri
->driver_configs
[i
]);
1324 free(dri
->driver_configs
);
1325 dlclose(dri
->driver
);
1326 free(dri
->driver_name
);
1331 static struct gbm_device
*
1332 dri_device_create(int fd
)
1334 struct gbm_dri_device
*dri
;
1338 dri
= calloc(1, sizeof *dri
);
1343 dri
->base
.bo_create
= gbm_dri_bo_create
;
1344 dri
->base
.bo_import
= gbm_dri_bo_import
;
1345 dri
->base
.bo_map
= gbm_dri_bo_map
;
1346 dri
->base
.bo_unmap
= gbm_dri_bo_unmap
;
1347 dri
->base
.is_format_supported
= gbm_dri_is_format_supported
;
1348 dri
->base
.get_format_modifier_plane_count
=
1349 gbm_dri_get_format_modifier_plane_count
;
1350 dri
->base
.bo_write
= gbm_dri_bo_write
;
1351 dri
->base
.bo_get_fd
= gbm_dri_bo_get_fd
;
1352 dri
->base
.bo_get_planes
= gbm_dri_bo_get_planes
;
1353 dri
->base
.bo_get_handle
= gbm_dri_bo_get_handle_for_plane
;
1354 dri
->base
.bo_get_stride
= gbm_dri_bo_get_stride
;
1355 dri
->base
.bo_get_offset
= gbm_dri_bo_get_offset
;
1356 dri
->base
.bo_get_modifier
= gbm_dri_bo_get_modifier
;
1357 dri
->base
.bo_destroy
= gbm_dri_bo_destroy
;
1358 dri
->base
.destroy
= dri_destroy
;
1359 dri
->base
.surface_create
= gbm_dri_surface_create
;
1360 dri
->base
.surface_destroy
= gbm_dri_surface_destroy
;
1362 dri
->base
.name
= "drm";
1364 dri
->visual_table
= gbm_dri_visuals_table
;
1365 dri
->num_visuals
= ARRAY_SIZE(gbm_dri_visuals_table
);
1367 mtx_init(&dri
->mutex
, mtx_plain
);
1369 force_sw
= env_var_as_boolean("GBM_ALWAYS_SOFTWARE", false);
1371 ret
= dri_screen_create(dri
);
1373 ret
= dri_screen_create_sw(dri
);
1375 ret
= dri_screen_create_sw(dri
);
1389 struct gbm_backend gbm_dri_backend
= {
1390 .backend_name
= "dri",
1391 .create_device
= dri_device_create
,