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 dri_get_capability(void *loaderPrivate
, enum dri_loader_cap cap
)
116 /* Note: loaderPrivate is _EGLDisplay* */
118 case DRI_LOADER_CAP_FP16
:
126 image_get_buffers(__DRIdrawable
*driDrawable
,
130 uint32_t buffer_mask
,
131 struct __DRIimageList
*buffers
)
133 struct gbm_dri_surface
*surf
= loaderPrivate
;
134 struct gbm_dri_device
*dri
= gbm_dri_device(surf
->base
.gbm
);
136 if (dri
->image_get_buffers
== NULL
)
139 return dri
->image_get_buffers(driDrawable
, format
, stamp
,
140 surf
->dri_private
, buffer_mask
, buffers
);
144 swrast_get_drawable_info(__DRIdrawable
*driDrawable
,
151 struct gbm_dri_surface
*surf
= loaderPrivate
;
155 *width
= surf
->base
.width
;
156 *height
= surf
->base
.height
;
160 swrast_put_image2(__DRIdrawable
*driDrawable
,
170 struct gbm_dri_surface
*surf
= loaderPrivate
;
171 struct gbm_dri_device
*dri
= gbm_dri_device(surf
->base
.gbm
);
173 dri
->swrast_put_image2(driDrawable
,
175 width
, height
, stride
,
176 data
, surf
->dri_private
);
180 swrast_put_image(__DRIdrawable
*driDrawable
,
189 swrast_put_image2(driDrawable
, op
, x
, y
, width
, height
,
190 width
* 4, data
, loaderPrivate
);
194 swrast_get_image(__DRIdrawable
*driDrawable
,
202 struct gbm_dri_surface
*surf
= loaderPrivate
;
203 struct gbm_dri_device
*dri
= gbm_dri_device(surf
->base
.gbm
);
205 dri
->swrast_get_image(driDrawable
,
208 data
, surf
->dri_private
);
211 static const __DRIuseInvalidateExtension use_invalidate
= {
212 .base
= { __DRI_USE_INVALIDATE
, 1 }
215 static const __DRIimageLookupExtension image_lookup_extension
= {
216 .base
= { __DRI_IMAGE_LOOKUP
, 1 },
218 .lookupEGLImage
= dri_lookup_egl_image
221 static const __DRIdri2LoaderExtension dri2_loader_extension
= {
222 .base
= { __DRI_DRI2_LOADER
, 4 },
224 .getBuffers
= dri_get_buffers
,
225 .flushFrontBuffer
= dri_flush_front_buffer
,
226 .getBuffersWithFormat
= dri_get_buffers_with_format
,
227 .getCapability
= dri_get_capability
,
230 static const __DRIimageLoaderExtension image_loader_extension
= {
231 .base
= { __DRI_IMAGE_LOADER
, 1 },
233 .getBuffers
= image_get_buffers
,
234 .flushFrontBuffer
= dri_flush_front_buffer
,
237 static const __DRIswrastLoaderExtension swrast_loader_extension
= {
238 .base
= { __DRI_SWRAST_LOADER
, 2 },
240 .getDrawableInfo
= swrast_get_drawable_info
,
241 .putImage
= swrast_put_image
,
242 .getImage
= swrast_get_image
,
243 .putImage2
= swrast_put_image2
246 static const __DRIextension
*gbm_dri_screen_extensions
[] = {
247 &image_lookup_extension
.base
,
248 &use_invalidate
.base
,
249 &dri2_loader_extension
.base
,
250 &image_loader_extension
.base
,
251 &swrast_loader_extension
.base
,
255 struct dri_extension_match
{
262 static struct dri_extension_match dri_core_extensions
[] = {
263 { __DRI2_FLUSH
, 1, offsetof(struct gbm_dri_device
, flush
) },
264 { __DRI_IMAGE
, 1, offsetof(struct gbm_dri_device
, image
) },
265 { __DRI2_FENCE
, 1, offsetof(struct gbm_dri_device
, fence
), 1 },
269 static struct dri_extension_match gbm_dri_device_extensions
[] = {
270 { __DRI_CORE
, 1, offsetof(struct gbm_dri_device
, core
) },
271 { __DRI_DRI2
, 1, offsetof(struct gbm_dri_device
, dri2
) },
275 static struct dri_extension_match gbm_swrast_device_extensions
[] = {
276 { __DRI_CORE
, 1, offsetof(struct gbm_dri_device
, core
), },
277 { __DRI_SWRAST
, 1, offsetof(struct gbm_dri_device
, swrast
) },
282 dri_bind_extensions(struct gbm_dri_device
*dri
,
283 struct dri_extension_match
*matches
,
284 const __DRIextension
**extensions
)
289 for (i
= 0; extensions
[i
]; i
++) {
290 for (j
= 0; matches
[j
].name
; j
++) {
291 if (strcmp(extensions
[i
]->name
, matches
[j
].name
) == 0 &&
292 extensions
[i
]->version
>= matches
[j
].version
) {
293 field
= ((char *) dri
+ matches
[j
].offset
);
294 *(const __DRIextension
**) field
= extensions
[i
];
299 for (j
= 0; matches
[j
].name
; j
++) {
300 field
= ((char *) dri
+ matches
[j
].offset
);
301 if ((*(const __DRIextension
**) field
== NULL
) && !matches
[j
].optional
) {
309 static const __DRIextension
**
310 dri_open_driver(struct gbm_dri_device
*dri
)
312 /* Temporarily work around dri driver libs that need symbols in libglapi
313 * but don't automatically link it in.
315 /* XXX: Library name differs on per platforms basis. Update this as
316 * osx/cygwin/windows/bsd gets support for GBM..
318 dlopen("libglapi.so.0", RTLD_LAZY
| RTLD_GLOBAL
);
320 static const char *search_path_vars
[] = {
321 /* Read GBM_DRIVERS_PATH first for compatibility, but LIBGL_DRIVERS_PATH
322 * is recommended over GBM_DRIVERS_PATH.
325 /* Read LIBGL_DRIVERS_PATH if GBM_DRIVERS_PATH was not set.
326 * LIBGL_DRIVERS_PATH is recommended over GBM_DRIVERS_PATH.
328 "LIBGL_DRIVERS_PATH",
331 return loader_open_driver(dri
->driver_name
, &dri
->driver
, search_path_vars
);
335 dri_load_driver(struct gbm_dri_device
*dri
)
337 const __DRIextension
**extensions
;
339 extensions
= dri_open_driver(dri
);
343 if (dri_bind_extensions(dri
, gbm_dri_device_extensions
, extensions
) < 0) {
344 dlclose(dri
->driver
);
345 fprintf(stderr
, "failed to bind extensions\n");
349 dri
->driver_extensions
= extensions
;
355 dri_load_driver_swrast(struct gbm_dri_device
*dri
)
357 const __DRIextension
**extensions
;
359 extensions
= dri_open_driver(dri
);
363 if (dri_bind_extensions(dri
, gbm_swrast_device_extensions
, extensions
) < 0) {
364 dlclose(dri
->driver
);
365 fprintf(stderr
, "failed to bind extensions\n");
369 dri
->driver_extensions
= extensions
;
375 dri_screen_create_dri2(struct gbm_dri_device
*dri
, char *driver_name
)
377 const __DRIextension
**extensions
;
380 dri
->driver_name
= driver_name
;
381 if (dri
->driver_name
== NULL
)
384 ret
= dri_load_driver(dri
);
386 fprintf(stderr
, "failed to load driver: %s\n", dri
->driver_name
);
390 dri
->loader_extensions
= gbm_dri_screen_extensions
;
392 if (dri
->dri2
== NULL
)
395 if (dri
->dri2
->base
.version
>= 4) {
396 dri
->screen
= dri
->dri2
->createNewScreen2(0, dri
->base
.fd
,
397 dri
->loader_extensions
,
398 dri
->driver_extensions
,
399 &dri
->driver_configs
, dri
);
401 dri
->screen
= dri
->dri2
->createNewScreen(0, dri
->base
.fd
,
402 dri
->loader_extensions
,
403 &dri
->driver_configs
, dri
);
405 if (dri
->screen
== NULL
)
408 extensions
= dri
->core
->getExtensions(dri
->screen
);
409 if (dri_bind_extensions(dri
, dri_core_extensions
, extensions
) < 0) {
414 dri
->lookup_image
= NULL
;
415 dri
->lookup_user_data
= NULL
;
420 dri
->core
->destroyScreen(dri
->screen
);
426 dri_screen_create_swrast(struct gbm_dri_device
*dri
)
430 dri
->driver_name
= strdup("swrast");
431 if (dri
->driver_name
== NULL
)
434 ret
= dri_load_driver_swrast(dri
);
436 fprintf(stderr
, "failed to load swrast driver\n");
440 dri
->loader_extensions
= gbm_dri_screen_extensions
;
442 if (dri
->swrast
== NULL
)
445 if (dri
->swrast
->base
.version
>= 4) {
446 dri
->screen
= dri
->swrast
->createNewScreen2(0, dri
->loader_extensions
,
447 dri
->driver_extensions
,
448 &dri
->driver_configs
, dri
);
450 dri
->screen
= dri
->swrast
->createNewScreen(0, dri
->loader_extensions
,
451 &dri
->driver_configs
, dri
);
453 if (dri
->screen
== NULL
)
456 dri
->lookup_image
= NULL
;
457 dri
->lookup_user_data
= NULL
;
463 dri_screen_create(struct gbm_dri_device
*dri
)
467 driver_name
= loader_get_driver_for_fd(dri
->base
.fd
);
471 return dri_screen_create_dri2(dri
, driver_name
);
475 dri_screen_create_sw(struct gbm_dri_device
*dri
)
480 driver_name
= strdup("kms_swrast");
484 ret
= dri_screen_create_dri2(dri
, driver_name
);
488 return dri_screen_create_swrast(dri
);
491 static const struct gbm_dri_visual gbm_dri_visuals_table
[] = {
493 GBM_FORMAT_R8
, __DRI_IMAGE_FORMAT_R8
,
498 GBM_FORMAT_GR88
, __DRI_IMAGE_FORMAT_GR88
,
503 GBM_FORMAT_ARGB1555
, __DRI_IMAGE_FORMAT_ARGB1555
,
508 GBM_FORMAT_RGB565
, __DRI_IMAGE_FORMAT_RGB565
,
513 GBM_FORMAT_XRGB8888
, __DRI_IMAGE_FORMAT_XRGB8888
,
518 GBM_FORMAT_ARGB8888
, __DRI_IMAGE_FORMAT_ARGB8888
,
523 GBM_FORMAT_XBGR8888
, __DRI_IMAGE_FORMAT_XBGR8888
,
528 GBM_FORMAT_ABGR8888
, __DRI_IMAGE_FORMAT_ABGR8888
,
533 GBM_FORMAT_XRGB2101010
, __DRI_IMAGE_FORMAT_XRGB2101010
,
538 GBM_FORMAT_ARGB2101010
, __DRI_IMAGE_FORMAT_ARGB2101010
,
543 GBM_FORMAT_XBGR2101010
, __DRI_IMAGE_FORMAT_XBGR2101010
,
548 GBM_FORMAT_ABGR2101010
, __DRI_IMAGE_FORMAT_ABGR2101010
,
553 GBM_FORMAT_XBGR16161616F
, __DRI_IMAGE_FORMAT_XBGR16161616F
,
559 GBM_FORMAT_ABGR16161616F
, __DRI_IMAGE_FORMAT_ABGR16161616F
,
567 gbm_format_to_dri_format(uint32_t gbm_format
)
571 gbm_format
= gbm_format_canonicalize(gbm_format
);
572 for (i
= 0; i
< ARRAY_SIZE(gbm_dri_visuals_table
); i
++) {
573 if (gbm_dri_visuals_table
[i
].gbm_format
== gbm_format
)
574 return gbm_dri_visuals_table
[i
].dri_image_format
;
581 gbm_dri_to_gbm_format(int dri_format
)
585 for (i
= 0; i
< ARRAY_SIZE(gbm_dri_visuals_table
); i
++) {
586 if (gbm_dri_visuals_table
[i
].dri_image_format
== dri_format
)
587 return gbm_dri_visuals_table
[i
].gbm_format
;
594 gbm_dri_is_format_supported(struct gbm_device
*gbm
,
598 struct gbm_dri_device
*dri
= gbm_dri_device(gbm
);
601 if ((usage
& GBM_BO_USE_CURSOR
) && (usage
& GBM_BO_USE_RENDERING
))
604 format
= gbm_format_canonicalize(format
);
605 if (gbm_format_to_dri_format(format
) == 0)
608 /* If there is no query, fall back to the small table which was originally
610 if (dri
->image
->base
.version
<= 15 || !dri
->image
->queryDmaBufModifiers
) {
612 case GBM_FORMAT_XRGB8888
:
613 case GBM_FORMAT_ARGB8888
:
614 case GBM_FORMAT_XBGR8888
:
621 /* Check if the driver returns any modifiers for this format; since linear
622 * is counted as a modifier, we will have at least one modifier for any
623 * supported format. */
624 if (!dri
->image
->queryDmaBufModifiers(dri
->screen
, format
, 0, NULL
, NULL
,
632 gbm_dri_get_format_modifier_plane_count(struct gbm_device
*gbm
,
636 struct gbm_dri_device
*dri
= gbm_dri_device(gbm
);
637 uint64_t plane_count
;
639 if (dri
->image
->base
.version
< 16 ||
640 !dri
->image
->queryDmaBufFormatModifierAttribs
)
643 format
= gbm_format_canonicalize(format
);
644 if (gbm_format_to_dri_format(format
) == 0)
647 if (!dri
->image
->queryDmaBufFormatModifierAttribs(
648 dri
->screen
, format
, modifier
,
649 __DRI_IMAGE_FORMAT_MODIFIER_ATTRIB_PLANE_COUNT
, &plane_count
))
656 gbm_dri_bo_write(struct gbm_bo
*_bo
, const void *buf
, size_t count
)
658 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
660 if (bo
->image
!= NULL
) {
665 memcpy(bo
->map
, buf
, count
);
671 gbm_dri_bo_get_fd(struct gbm_bo
*_bo
)
673 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
674 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
677 if (bo
->image
== NULL
)
680 if (!dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_FD
, &fd
))
687 get_number_planes(struct gbm_dri_device
*dri
, __DRIimage
*image
)
691 /* Dumb buffers are single-plane only. */
695 dri
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_NUM_PLANES
, &num_planes
);
704 gbm_dri_bo_get_planes(struct gbm_bo
*_bo
)
706 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
707 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
709 return get_number_planes(dri
, bo
->image
);
712 static union gbm_bo_handle
713 gbm_dri_bo_get_handle_for_plane(struct gbm_bo
*_bo
, int plane
)
715 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
716 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
717 union gbm_bo_handle ret
;
720 if (!dri
->image
|| dri
->image
->base
.version
< 13 || !dri
->image
->fromPlanar
) {
721 /* Preserve legacy behavior if plane is 0 */
723 /* NOTE: return _bo->handle, *NOT* bo->handle which is invalid at this point */
731 if (plane
>= get_number_planes(dri
, bo
->image
)) {
736 /* dumb BOs can only utilize non-planar formats */
739 ret
.s32
= bo
->handle
;
743 __DRIimage
*image
= dri
->image
->fromPlanar(bo
->image
, plane
, NULL
);
745 dri
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_HANDLE
, &ret
.s32
);
746 dri
->image
->destroyImage(image
);
749 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_HANDLE
, &ret
.s32
);
756 gbm_dri_bo_get_stride(struct gbm_bo
*_bo
, int plane
)
758 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
759 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
763 if (!dri
->image
|| dri
->image
->base
.version
< 11 || !dri
->image
->fromPlanar
) {
764 /* Preserve legacy behavior if plane is 0 */
772 if (plane
>= get_number_planes(dri
, bo
->image
)) {
777 if (bo
->image
== NULL
) {
782 image
= dri
->image
->fromPlanar(bo
->image
, plane
, NULL
);
784 dri
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_STRIDE
, &stride
);
785 dri
->image
->destroyImage(image
);
788 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_STRIDE
, &stride
);
791 return (uint32_t)stride
;
795 gbm_dri_bo_get_offset(struct gbm_bo
*_bo
, int plane
)
797 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
798 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
801 /* These error cases do not actually return an error code, as the user
802 * will also fail to obtain the handle/FD from the BO. In that case, the
803 * offset is irrelevant, as they have no buffer to offset into, so
804 * returning 0 is harmless.
806 if (!dri
->image
|| dri
->image
->base
.version
< 13 || !dri
->image
->fromPlanar
)
809 if (plane
>= get_number_planes(dri
, bo
->image
))
812 /* Dumb images have no offset */
813 if (bo
->image
== NULL
) {
818 __DRIimage
*image
= dri
->image
->fromPlanar(bo
->image
, plane
, NULL
);
820 dri
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_OFFSET
, &offset
);
821 dri
->image
->destroyImage(image
);
824 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_OFFSET
, &offset
);
827 return (uint32_t)offset
;
831 gbm_dri_bo_get_modifier(struct gbm_bo
*_bo
)
833 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
834 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
836 if (!dri
->image
|| dri
->image
->base
.version
< 14) {
838 return DRM_FORMAT_MOD_INVALID
;
841 /* Dumb buffers have no modifiers */
843 return DRM_FORMAT_MOD_LINEAR
;
847 if (!dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_MODIFIER_UPPER
,
849 return DRM_FORMAT_MOD_INVALID
;
851 ret
= (uint64_t)mod
<< 32;
853 if (!dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_MODIFIER_LOWER
,
855 return DRM_FORMAT_MOD_INVALID
;
857 ret
|= (uint64_t)(mod
& 0xffffffff);
863 gbm_dri_bo_destroy(struct gbm_bo
*_bo
)
865 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
866 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
867 struct drm_mode_destroy_dumb arg
;
869 if (bo
->image
!= NULL
) {
870 dri
->image
->destroyImage(bo
->image
);
872 gbm_dri_bo_unmap_dumb(bo
);
873 memset(&arg
, 0, sizeof(arg
));
874 arg
.handle
= bo
->handle
;
875 drmIoctl(dri
->base
.fd
, DRM_IOCTL_MODE_DESTROY_DUMB
, &arg
);
881 static struct gbm_bo
*
882 gbm_dri_bo_import(struct gbm_device
*gbm
,
883 uint32_t type
, void *buffer
, uint32_t usage
)
885 struct gbm_dri_device
*dri
= gbm_dri_device(gbm
);
886 struct gbm_dri_bo
*bo
;
888 unsigned dri_use
= 0;
891 /* Required for query image WIDTH & HEIGHT */
892 if (dri
->image
== NULL
|| dri
->image
->base
.version
< 4) {
898 #if HAVE_WAYLAND_PLATFORM
899 case GBM_BO_IMPORT_WL_BUFFER
:
901 struct wl_drm_buffer
*wb
;
908 wb
= wayland_drm_buffer_get(dri
->wl_drm
, (struct wl_resource
*) buffer
);
914 image
= dri
->image
->dupImage(wb
->driver_buffer
, NULL
);
916 /* GBM_FORMAT_* is identical to WL_DRM_FORMAT_*, so no conversion
918 gbm_format
= wb
->format
;
923 case GBM_BO_IMPORT_EGL_IMAGE
:
926 if (dri
->lookup_image
== NULL
) {
931 image
= dri
->lookup_image(dri
->screen
, buffer
, dri
->lookup_user_data
);
932 image
= dri
->image
->dupImage(image
, NULL
);
933 dri
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_FORMAT
, &dri_format
);
934 gbm_format
= gbm_dri_to_gbm_format(dri_format
);
935 if (gbm_format
== 0) {
937 dri
->image
->destroyImage(image
);
943 case GBM_BO_IMPORT_FD
:
945 struct gbm_import_fd_data
*fd_data
= buffer
;
946 int stride
= fd_data
->stride
, offset
= 0;
949 /* GBM's GBM_FORMAT_* tokens are a strict superset of the DRI FourCC
950 * tokens accepted by createImageFromFds, except for not supporting
951 * the sARGB format. */
952 fourcc
= gbm_format_canonicalize(fd_data
->format
);
954 image
= dri
->image
->createImageFromFds(dri
->screen
,
965 gbm_format
= fd_data
->format
;
969 case GBM_BO_IMPORT_FD_MODIFIER
:
971 struct gbm_import_fd_modifier_data
*fd_data
= buffer
;
975 /* Import with modifier requires createImageFromDmaBufs2 */
976 if (dri
->image
== NULL
|| dri
->image
->base
.version
< 15 ||
977 dri
->image
->createImageFromDmaBufs2
== NULL
) {
982 /* GBM's GBM_FORMAT_* tokens are a strict superset of the DRI FourCC
983 * tokens accepted by createImageFromDmaBufs2, except for not supporting
984 * the sARGB format. */
985 fourcc
= gbm_format_canonicalize(fd_data
->format
);
987 image
= dri
->image
->createImageFromDmaBufs2(dri
->screen
, fd_data
->width
,
988 fd_data
->height
, fourcc
,
1001 gbm_format
= fourcc
;
1011 bo
= calloc(1, sizeof *bo
);
1013 dri
->image
->destroyImage(image
);
1019 if (usage
& GBM_BO_USE_SCANOUT
)
1020 dri_use
|= __DRI_IMAGE_USE_SCANOUT
;
1021 if (usage
& GBM_BO_USE_CURSOR
)
1022 dri_use
|= __DRI_IMAGE_USE_CURSOR
;
1023 if (dri
->image
->base
.version
>= 2 &&
1024 !dri
->image
->validateUsage(bo
->image
, dri_use
)) {
1026 dri
->image
->destroyImage(bo
->image
);
1032 bo
->base
.format
= gbm_format
;
1034 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_WIDTH
,
1035 (int*)&bo
->base
.width
);
1036 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_HEIGHT
,
1037 (int*)&bo
->base
.height
);
1038 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_STRIDE
,
1039 (int*)&bo
->base
.stride
);
1040 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_HANDLE
,
1041 &bo
->base
.handle
.s32
);
1046 static struct gbm_bo
*
1047 create_dumb(struct gbm_device
*gbm
,
1048 uint32_t width
, uint32_t height
,
1049 uint32_t format
, uint32_t usage
)
1051 struct gbm_dri_device
*dri
= gbm_dri_device(gbm
);
1052 struct drm_mode_create_dumb create_arg
;
1053 struct gbm_dri_bo
*bo
;
1054 struct drm_mode_destroy_dumb destroy_arg
;
1056 int is_cursor
, is_scanout
;
1058 is_cursor
= (usage
& GBM_BO_USE_CURSOR
) != 0 &&
1059 format
== GBM_FORMAT_ARGB8888
;
1060 is_scanout
= (usage
& GBM_BO_USE_SCANOUT
) != 0 &&
1061 (format
== GBM_FORMAT_XRGB8888
|| format
== GBM_FORMAT_XBGR8888
);
1062 if (!is_cursor
&& !is_scanout
) {
1067 bo
= calloc(1, sizeof *bo
);
1071 memset(&create_arg
, 0, sizeof(create_arg
));
1072 create_arg
.bpp
= 32;
1073 create_arg
.width
= width
;
1074 create_arg
.height
= height
;
1076 ret
= drmIoctl(dri
->base
.fd
, DRM_IOCTL_MODE_CREATE_DUMB
, &create_arg
);
1081 bo
->base
.width
= width
;
1082 bo
->base
.height
= height
;
1083 bo
->base
.stride
= create_arg
.pitch
;
1084 bo
->base
.format
= format
;
1085 bo
->base
.handle
.u32
= create_arg
.handle
;
1086 bo
->handle
= create_arg
.handle
;
1087 bo
->size
= create_arg
.size
;
1089 if (gbm_dri_bo_map_dumb(bo
) == NULL
)
1095 memset(&destroy_arg
, 0, sizeof destroy_arg
);
1096 destroy_arg
.handle
= create_arg
.handle
;
1097 drmIoctl(dri
->base
.fd
, DRM_IOCTL_MODE_DESTROY_DUMB
, &destroy_arg
);
1104 static struct gbm_bo
*
1105 gbm_dri_bo_create(struct gbm_device
*gbm
,
1106 uint32_t width
, uint32_t height
,
1107 uint32_t format
, uint32_t usage
,
1108 const uint64_t *modifiers
,
1109 const unsigned int count
)
1111 struct gbm_dri_device
*dri
= gbm_dri_device(gbm
);
1112 struct gbm_dri_bo
*bo
;
1114 unsigned dri_use
= 0;
1116 /* Callers of this may specify a modifier, or a dri usage, but not both. The
1117 * newer modifier interface deprecates the older usage flags.
1119 assert(!(usage
&& count
));
1121 format
= gbm_format_canonicalize(format
);
1123 if (usage
& GBM_BO_USE_WRITE
|| dri
->image
== NULL
)
1124 return create_dumb(gbm
, width
, height
, format
, usage
);
1126 bo
= calloc(1, sizeof *bo
);
1131 bo
->base
.width
= width
;
1132 bo
->base
.height
= height
;
1133 bo
->base
.format
= format
;
1135 dri_format
= gbm_format_to_dri_format(format
);
1136 if (dri_format
== 0) {
1141 if (usage
& GBM_BO_USE_SCANOUT
)
1142 dri_use
|= __DRI_IMAGE_USE_SCANOUT
;
1143 if (usage
& GBM_BO_USE_CURSOR
)
1144 dri_use
|= __DRI_IMAGE_USE_CURSOR
;
1145 if (usage
& GBM_BO_USE_LINEAR
)
1146 dri_use
|= __DRI_IMAGE_USE_LINEAR
;
1148 /* Gallium drivers requires shared in order to get the handle/stride */
1149 dri_use
|= __DRI_IMAGE_USE_SHARE
;
1152 if (!dri
->image
|| dri
->image
->base
.version
< 14 ||
1153 !dri
->image
->createImageWithModifiers
) {
1154 fprintf(stderr
, "Modifiers specified, but DRI is too old\n");
1159 /* It's acceptable to create an image with INVALID modifier in the list,
1160 * but it cannot be on the only modifier (since it will certainly fail
1161 * later). While we could easily catch this after modifier creation, doing
1162 * the check here is a convenient debug check likely pointing at whatever
1163 * interface the client is using to build its modifier list.
1165 if (count
== 1 && modifiers
[0] == DRM_FORMAT_MOD_INVALID
) {
1166 fprintf(stderr
, "Only invalid modifier specified\n");
1172 dri
->image
->createImageWithModifiers(dri
->screen
,
1179 /* The client passed in a list of invalid modifiers */
1180 assert(gbm_dri_bo_get_modifier(&bo
->base
) != DRM_FORMAT_MOD_INVALID
);
1183 bo
->image
= dri
->image
->createImage(dri
->screen
, width
, height
,
1184 dri_format
, dri_use
, bo
);
1187 if (bo
->image
== NULL
)
1190 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_HANDLE
,
1191 &bo
->base
.handle
.s32
);
1192 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_STRIDE
,
1193 (int *) &bo
->base
.stride
);
1203 gbm_dri_bo_map(struct gbm_bo
*_bo
,
1204 uint32_t x
, uint32_t y
,
1205 uint32_t width
, uint32_t height
,
1206 uint32_t flags
, uint32_t *stride
, void **map_data
)
1208 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
1209 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
1211 /* If it's a dumb buffer, we already have a mapping */
1213 *map_data
= (char *)bo
->map
+ (bo
->base
.stride
* y
) + (x
* 4);
1214 *stride
= bo
->base
.stride
;
1218 if (!dri
->image
|| dri
->image
->base
.version
< 12 || !dri
->image
->mapImage
) {
1223 mtx_lock(&dri
->mutex
);
1225 dri
->context
= dri
->dri2
->createNewContext(dri
->screen
, NULL
,
1227 assert(dri
->context
);
1228 mtx_unlock(&dri
->mutex
);
1230 /* GBM flags and DRI flags are the same, so just pass them on */
1231 return dri
->image
->mapImage(dri
->context
, bo
->image
, x
, y
,
1232 width
, height
, flags
, (int *)stride
,
1237 gbm_dri_bo_unmap(struct gbm_bo
*_bo
, void *map_data
)
1239 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
1240 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
1242 /* Check if it's a dumb buffer and check the pointer is in range */
1244 assert(map_data
>= bo
->map
);
1245 assert(map_data
< (bo
->map
+ bo
->size
));
1249 if (!dri
->context
|| !dri
->image
||
1250 dri
->image
->base
.version
< 12 || !dri
->image
->unmapImage
)
1253 dri
->image
->unmapImage(dri
->context
, bo
->image
, map_data
);
1256 * Not all DRI drivers use direct maps. They may queue up DMA operations
1257 * on the mapping context. Since there is no explicit gbm flush
1258 * mechanism, we need to flush here.
1260 if (dri
->flush
->base
.version
>= 4)
1261 dri
->flush
->flush_with_flags(dri
->context
, NULL
, __DRI2_FLUSH_CONTEXT
, 0);
1265 static struct gbm_surface
*
1266 gbm_dri_surface_create(struct gbm_device
*gbm
,
1267 uint32_t width
, uint32_t height
,
1268 uint32_t format
, uint32_t flags
,
1269 const uint64_t *modifiers
, const unsigned count
)
1271 struct gbm_dri_device
*dri
= gbm_dri_device(gbm
);
1272 struct gbm_dri_surface
*surf
;
1275 (!dri
->image
|| dri
->image
->base
.version
< 14 ||
1276 !dri
->image
->createImageWithModifiers
)) {
1284 /* It's acceptable to create an image with INVALID modifier in the list,
1285 * but it cannot be on the only modifier (since it will certainly fail
1286 * later). While we could easily catch this after modifier creation, doing
1287 * the check here is a convenient debug check likely pointing at whatever
1288 * interface the client is using to build its modifier list.
1290 if (count
== 1 && modifiers
[0] == DRM_FORMAT_MOD_INVALID
) {
1291 fprintf(stderr
, "Only invalid modifier specified\n");
1295 surf
= calloc(1, sizeof *surf
);
1301 surf
->base
.gbm
= gbm
;
1302 surf
->base
.width
= width
;
1303 surf
->base
.height
= height
;
1304 surf
->base
.format
= gbm_format_canonicalize(format
);
1305 surf
->base
.flags
= flags
;
1311 surf
->base
.modifiers
= calloc(count
, sizeof(*modifiers
));
1312 if (count
&& !surf
->base
.modifiers
) {
1318 /* TODO: We are deferring validation of modifiers until the image is actually
1319 * created. This deferred creation can fail due to a modifier-format
1320 * mismatch. The result is the client has a surface but no object to back it.
1322 surf
->base
.count
= count
;
1323 memcpy(surf
->base
.modifiers
, modifiers
, count
* sizeof(*modifiers
));
1329 gbm_dri_surface_destroy(struct gbm_surface
*_surf
)
1331 struct gbm_dri_surface
*surf
= gbm_dri_surface(_surf
);
1333 free(surf
->base
.modifiers
);
1338 dri_destroy(struct gbm_device
*gbm
)
1340 struct gbm_dri_device
*dri
= gbm_dri_device(gbm
);
1344 dri
->core
->destroyContext(dri
->context
);
1346 dri
->core
->destroyScreen(dri
->screen
);
1347 for (i
= 0; dri
->driver_configs
[i
]; i
++)
1348 free((__DRIconfig
*) dri
->driver_configs
[i
]);
1349 free(dri
->driver_configs
);
1350 dlclose(dri
->driver
);
1351 free(dri
->driver_name
);
1356 static struct gbm_device
*
1357 dri_device_create(int fd
)
1359 struct gbm_dri_device
*dri
;
1363 dri
= calloc(1, sizeof *dri
);
1368 dri
->base
.bo_create
= gbm_dri_bo_create
;
1369 dri
->base
.bo_import
= gbm_dri_bo_import
;
1370 dri
->base
.bo_map
= gbm_dri_bo_map
;
1371 dri
->base
.bo_unmap
= gbm_dri_bo_unmap
;
1372 dri
->base
.is_format_supported
= gbm_dri_is_format_supported
;
1373 dri
->base
.get_format_modifier_plane_count
=
1374 gbm_dri_get_format_modifier_plane_count
;
1375 dri
->base
.bo_write
= gbm_dri_bo_write
;
1376 dri
->base
.bo_get_fd
= gbm_dri_bo_get_fd
;
1377 dri
->base
.bo_get_planes
= gbm_dri_bo_get_planes
;
1378 dri
->base
.bo_get_handle
= gbm_dri_bo_get_handle_for_plane
;
1379 dri
->base
.bo_get_stride
= gbm_dri_bo_get_stride
;
1380 dri
->base
.bo_get_offset
= gbm_dri_bo_get_offset
;
1381 dri
->base
.bo_get_modifier
= gbm_dri_bo_get_modifier
;
1382 dri
->base
.bo_destroy
= gbm_dri_bo_destroy
;
1383 dri
->base
.destroy
= dri_destroy
;
1384 dri
->base
.surface_create
= gbm_dri_surface_create
;
1385 dri
->base
.surface_destroy
= gbm_dri_surface_destroy
;
1387 dri
->base
.name
= "drm";
1389 dri
->visual_table
= gbm_dri_visuals_table
;
1390 dri
->num_visuals
= ARRAY_SIZE(gbm_dri_visuals_table
);
1392 mtx_init(&dri
->mutex
, mtx_plain
);
1394 force_sw
= env_var_as_boolean("GBM_ALWAYS_SOFTWARE", false);
1396 ret
= dri_screen_create(dri
);
1398 ret
= dri_screen_create_sw(dri
);
1400 ret
= dri_screen_create_sw(dri
);
1414 struct gbm_backend gbm_dri_backend
= {
1415 .backend_name
= "dri",
1416 .create_device
= dri_device_create
,