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_fourcc.h>
44 #include <GL/gl.h> /* dri_interface needs GL types */
45 #include <GL/internal/dri_interface.h>
47 #include "gbm_driint.h"
52 /* For importing wl_buffer */
53 #if HAVE_WAYLAND_PLATFORM
54 #include "../../../egl/wayland/wayland-drm/wayland-drm.h"
57 #ifndef DRM_FORMAT_MOD_INVALID
58 #define DRM_FORMAT_MOD_INVALID ((1ULL<<56) - 1)
61 #ifndef DRM_FORMAT_MOD_LINEAR
62 #define DRM_FORMAT_MOD_LINEAR 0
66 dri_lookup_egl_image(__DRIscreen
*screen
, void *image
, void *data
)
68 struct gbm_dri_device
*dri
= data
;
70 if (dri
->lookup_image
== NULL
)
73 return dri
->lookup_image(screen
, image
, dri
->lookup_user_data
);
77 dri_get_buffers(__DRIdrawable
* driDrawable
,
78 int *width
, int *height
,
79 unsigned int *attachments
, int count
,
80 int *out_count
, void *data
)
82 struct gbm_dri_surface
*surf
= data
;
83 struct gbm_dri_device
*dri
= gbm_dri_device(surf
->base
.gbm
);
85 if (dri
->get_buffers
== NULL
)
88 return dri
->get_buffers(driDrawable
, width
, height
, attachments
,
89 count
, out_count
, surf
->dri_private
);
93 dri_flush_front_buffer(__DRIdrawable
* driDrawable
, void *data
)
95 struct gbm_dri_surface
*surf
= data
;
96 struct gbm_dri_device
*dri
= gbm_dri_device(surf
->base
.gbm
);
98 if (dri
->flush_front_buffer
!= NULL
)
99 dri
->flush_front_buffer(driDrawable
, surf
->dri_private
);
103 dri_get_buffers_with_format(__DRIdrawable
* driDrawable
,
104 int *width
, int *height
,
105 unsigned int *attachments
, int count
,
106 int *out_count
, void *data
)
108 struct gbm_dri_surface
*surf
= data
;
109 struct gbm_dri_device
*dri
= gbm_dri_device(surf
->base
.gbm
);
111 if (dri
->get_buffers_with_format
== NULL
)
115 dri
->get_buffers_with_format(driDrawable
, width
, height
, attachments
,
116 count
, out_count
, surf
->dri_private
);
120 image_get_buffers(__DRIdrawable
*driDrawable
,
124 uint32_t buffer_mask
,
125 struct __DRIimageList
*buffers
)
127 struct gbm_dri_surface
*surf
= loaderPrivate
;
128 struct gbm_dri_device
*dri
= gbm_dri_device(surf
->base
.gbm
);
130 if (dri
->image_get_buffers
== NULL
)
133 return dri
->image_get_buffers(driDrawable
, format
, stamp
,
134 surf
->dri_private
, buffer_mask
, buffers
);
138 swrast_get_drawable_info(__DRIdrawable
*driDrawable
,
145 struct gbm_dri_surface
*surf
= loaderPrivate
;
149 *width
= surf
->base
.width
;
150 *height
= surf
->base
.height
;
154 swrast_put_image2(__DRIdrawable
*driDrawable
,
164 struct gbm_dri_surface
*surf
= loaderPrivate
;
165 struct gbm_dri_device
*dri
= gbm_dri_device(surf
->base
.gbm
);
167 dri
->swrast_put_image2(driDrawable
,
169 width
, height
, stride
,
170 data
, surf
->dri_private
);
174 swrast_put_image(__DRIdrawable
*driDrawable
,
183 return swrast_put_image2(driDrawable
, op
, x
, y
, width
, height
,
184 width
* 4, data
, loaderPrivate
);
188 swrast_get_image(__DRIdrawable
*driDrawable
,
196 struct gbm_dri_surface
*surf
= loaderPrivate
;
197 struct gbm_dri_device
*dri
= gbm_dri_device(surf
->base
.gbm
);
199 dri
->swrast_get_image(driDrawable
,
202 data
, surf
->dri_private
);
205 static const __DRIuseInvalidateExtension use_invalidate
= {
206 .base
= { __DRI_USE_INVALIDATE
, 1 }
209 static const __DRIimageLookupExtension image_lookup_extension
= {
210 .base
= { __DRI_IMAGE_LOOKUP
, 1 },
212 .lookupEGLImage
= dri_lookup_egl_image
215 static const __DRIdri2LoaderExtension dri2_loader_extension
= {
216 .base
= { __DRI_DRI2_LOADER
, 3 },
218 .getBuffers
= dri_get_buffers
,
219 .flushFrontBuffer
= dri_flush_front_buffer
,
220 .getBuffersWithFormat
= dri_get_buffers_with_format
,
223 static const __DRIimageLoaderExtension image_loader_extension
= {
224 .base
= { __DRI_IMAGE_LOADER
, 1 },
226 .getBuffers
= image_get_buffers
,
227 .flushFrontBuffer
= dri_flush_front_buffer
,
230 static const __DRIswrastLoaderExtension swrast_loader_extension
= {
231 .base
= { __DRI_SWRAST_LOADER
, 2 },
233 .getDrawableInfo
= swrast_get_drawable_info
,
234 .putImage
= swrast_put_image
,
235 .getImage
= swrast_get_image
,
236 .putImage2
= swrast_put_image2
239 static const __DRIextension
*gbm_dri_screen_extensions
[] = {
240 &image_lookup_extension
.base
,
241 &use_invalidate
.base
,
242 &dri2_loader_extension
.base
,
243 &image_loader_extension
.base
,
244 &swrast_loader_extension
.base
,
248 struct dri_extension_match
{
255 static struct dri_extension_match dri_core_extensions
[] = {
256 { __DRI2_FLUSH
, 1, offsetof(struct gbm_dri_device
, flush
) },
257 { __DRI_IMAGE
, 1, offsetof(struct gbm_dri_device
, image
) },
258 { __DRI2_FENCE
, 1, offsetof(struct gbm_dri_device
, fence
), 1 },
259 { __DRI2_INTEROP
, 1, offsetof(struct gbm_dri_device
, interop
), 1 },
263 static struct dri_extension_match gbm_dri_device_extensions
[] = {
264 { __DRI_CORE
, 1, offsetof(struct gbm_dri_device
, core
) },
265 { __DRI_DRI2
, 1, offsetof(struct gbm_dri_device
, dri2
) },
269 static struct dri_extension_match gbm_swrast_device_extensions
[] = {
270 { __DRI_CORE
, 1, offsetof(struct gbm_dri_device
, core
), },
271 { __DRI_SWRAST
, 1, offsetof(struct gbm_dri_device
, swrast
) },
276 dri_bind_extensions(struct gbm_dri_device
*dri
,
277 struct dri_extension_match
*matches
,
278 const __DRIextension
**extensions
)
283 for (i
= 0; extensions
[i
]; i
++) {
284 for (j
= 0; matches
[j
].name
; j
++) {
285 if (strcmp(extensions
[i
]->name
, matches
[j
].name
) == 0 &&
286 extensions
[i
]->version
>= matches
[j
].version
) {
287 field
= ((char *) dri
+ matches
[j
].offset
);
288 *(const __DRIextension
**) field
= extensions
[i
];
293 for (j
= 0; matches
[j
].name
; j
++) {
294 field
= ((char *) dri
+ matches
[j
].offset
);
295 if ((*(const __DRIextension
**) field
== NULL
) && !matches
[j
].optional
) {
303 static const __DRIextension
**
304 dri_open_driver(struct gbm_dri_device
*dri
)
306 const __DRIextension
**extensions
= NULL
;
307 char path
[PATH_MAX
], *search_paths
, *p
, *next
, *end
;
308 char *get_extensions_name
;
311 /* don't allow setuid apps to use LIBGL_DRIVERS_PATH or GBM_DRIVERS_PATH */
312 if (geteuid() == getuid()) {
313 /* Read GBM_DRIVERS_PATH first for compatibility, but LIBGL_DRIVERS_PATH
314 * is recommended over GBM_DRIVERS_PATH.
316 search_paths
= getenv("GBM_DRIVERS_PATH");
318 /* Read LIBGL_DRIVERS_PATH if GBM_DRIVERS_PATH was not set.
319 * LIBGL_DRIVERS_PATH is recommended over GBM_DRIVERS_PATH.
321 if (search_paths
== NULL
) {
322 search_paths
= getenv("LIBGL_DRIVERS_PATH");
325 if (search_paths
== NULL
)
326 search_paths
= DEFAULT_DRIVER_DIR
;
328 /* Temporarily work around dri driver libs that need symbols in libglapi
329 * but don't automatically link it in.
331 /* XXX: Library name differs on per platforms basis. Update this as
332 * osx/cygwin/windows/bsd gets support for GBM..
334 dlopen("libglapi.so.0", RTLD_LAZY
| RTLD_GLOBAL
);
337 end
= search_paths
+ strlen(search_paths
);
338 for (p
= search_paths
; p
< end
&& dri
->driver
== NULL
; p
= next
+ 1) {
340 next
= strchr(p
, ':');
346 snprintf(path
, sizeof path
,
347 "%.*s/tls/%s_dri.so", len
, p
, dri
->base
.driver_name
);
348 dri
->driver
= dlopen(path
, RTLD_NOW
| RTLD_GLOBAL
);
350 if (dri
->driver
== NULL
) {
351 snprintf(path
, sizeof path
,
352 "%.*s/%s_dri.so", len
, p
, dri
->base
.driver_name
);
353 dri
->driver
= dlopen(path
, RTLD_NOW
| RTLD_GLOBAL
);
355 /* not need continue to loop all paths once the driver is found */
356 if (dri
->driver
!= NULL
)
360 snprintf(path
, sizeof path
, "%.*s/gallium_dri.so", len
, p
);
361 dri
->driver
= dlopen(path
, RTLD_NOW
| RTLD_GLOBAL
);
362 if (dri
->driver
== NULL
)
363 sprintf("failed to open %s: %s\n", path
, dlerror());
369 if (dri
->driver
== NULL
) {
370 fprintf(stderr
, "gbm: failed to open any driver (search paths %s)\n",
372 fprintf(stderr
, "gbm: Last dlopen error: %s\n", dlerror());
376 get_extensions_name
= loader_get_extensions_name(dri
->base
.driver_name
);
377 if (get_extensions_name
) {
378 const __DRIextension
**(*get_extensions
)(void);
380 get_extensions
= dlsym(dri
->driver
, get_extensions_name
);
381 free(get_extensions_name
);
384 extensions
= get_extensions();
388 extensions
= dlsym(dri
->driver
, __DRI_DRIVER_EXTENSIONS
);
389 if (extensions
== NULL
) {
390 fprintf(stderr
, "gbm: driver exports no extensions (%s)", dlerror());
391 dlclose(dri
->driver
);
398 dri_load_driver(struct gbm_dri_device
*dri
)
400 const __DRIextension
**extensions
;
402 extensions
= dri_open_driver(dri
);
406 if (dri_bind_extensions(dri
, gbm_dri_device_extensions
, extensions
) < 0) {
407 dlclose(dri
->driver
);
408 fprintf(stderr
, "failed to bind extensions\n");
412 dri
->driver_extensions
= extensions
;
418 dri_load_driver_swrast(struct gbm_dri_device
*dri
)
420 const __DRIextension
**extensions
;
422 extensions
= dri_open_driver(dri
);
426 if (dri_bind_extensions(dri
, gbm_swrast_device_extensions
, extensions
) < 0) {
427 dlclose(dri
->driver
);
428 fprintf(stderr
, "failed to bind extensions\n");
432 dri
->driver_extensions
= extensions
;
438 dri_screen_create_dri2(struct gbm_dri_device
*dri
, char *driver_name
)
440 const __DRIextension
**extensions
;
443 dri
->base
.driver_name
= driver_name
;
444 if (dri
->base
.driver_name
== NULL
)
447 ret
= dri_load_driver(dri
);
449 fprintf(stderr
, "failed to load driver: %s\n", dri
->base
.driver_name
);
453 dri
->loader_extensions
= gbm_dri_screen_extensions
;
455 if (dri
->dri2
== NULL
)
458 if (dri
->dri2
->base
.version
>= 4) {
459 dri
->screen
= dri
->dri2
->createNewScreen2(0, dri
->base
.base
.fd
,
460 dri
->loader_extensions
,
461 dri
->driver_extensions
,
462 &dri
->driver_configs
, dri
);
464 dri
->screen
= dri
->dri2
->createNewScreen(0, dri
->base
.base
.fd
,
465 dri
->loader_extensions
,
466 &dri
->driver_configs
, dri
);
468 if (dri
->screen
== NULL
)
471 extensions
= dri
->core
->getExtensions(dri
->screen
);
472 if (dri_bind_extensions(dri
, dri_core_extensions
, extensions
) < 0) {
477 dri
->lookup_image
= NULL
;
478 dri
->lookup_user_data
= NULL
;
483 dri
->core
->destroyScreen(dri
->screen
);
489 dri_screen_create_swrast(struct gbm_dri_device
*dri
)
493 dri
->base
.driver_name
= strdup("swrast");
494 if (dri
->base
.driver_name
== NULL
)
497 ret
= dri_load_driver_swrast(dri
);
499 fprintf(stderr
, "failed to load swrast driver\n");
503 dri
->loader_extensions
= gbm_dri_screen_extensions
;
505 if (dri
->swrast
== NULL
)
508 if (dri
->swrast
->base
.version
>= 4) {
509 dri
->screen
= dri
->swrast
->createNewScreen2(0, dri
->loader_extensions
,
510 dri
->driver_extensions
,
511 &dri
->driver_configs
, dri
);
513 dri
->screen
= dri
->swrast
->createNewScreen(0, dri
->loader_extensions
,
514 &dri
->driver_configs
, dri
);
516 if (dri
->screen
== NULL
)
519 dri
->lookup_image
= NULL
;
520 dri
->lookup_user_data
= NULL
;
526 dri_screen_create(struct gbm_dri_device
*dri
)
530 driver_name
= loader_get_driver_for_fd(dri
->base
.base
.fd
);
534 return dri_screen_create_dri2(dri
, driver_name
);
538 dri_screen_create_sw(struct gbm_dri_device
*dri
)
543 driver_name
= strdup("kms_swrast");
547 ret
= dri_screen_create_dri2(dri
, driver_name
);
551 return dri_screen_create_swrast(dri
);
555 gbm_dri_is_format_supported(struct gbm_device
*gbm
,
560 case GBM_BO_FORMAT_XRGB8888
:
561 case GBM_FORMAT_XBGR8888
:
562 case GBM_FORMAT_XRGB8888
:
564 case GBM_BO_FORMAT_ARGB8888
:
565 case GBM_FORMAT_ARGB8888
:
566 if (usage
& GBM_BO_USE_SCANOUT
)
573 if (usage
& GBM_BO_USE_CURSOR
&&
574 usage
& GBM_BO_USE_RENDERING
)
581 gbm_dri_bo_write(struct gbm_bo
*_bo
, const void *buf
, size_t count
)
583 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
585 if (bo
->image
!= NULL
) {
590 memcpy(bo
->map
, buf
, count
);
596 gbm_dri_bo_get_fd(struct gbm_bo
*_bo
)
598 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
599 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
602 if (bo
->image
== NULL
)
605 if (!dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_FD
, &fd
))
612 get_number_planes(struct gbm_dri_device
*dri
, __DRIimage
*image
)
616 /* Dumb buffers are single-plane only. */
620 dri
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_NUM_PLANES
, &num_planes
);
629 gbm_dri_bo_get_planes(struct gbm_bo
*_bo
)
631 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
632 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
634 return get_number_planes(dri
, bo
->image
);
637 static union gbm_bo_handle
638 gbm_dri_bo_get_handle_for_plane(struct gbm_bo
*_bo
, int plane
)
640 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
641 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
642 union gbm_bo_handle ret
;
645 if (!dri
->image
|| dri
->image
->base
.version
< 13 || !dri
->image
->fromPlanar
) {
650 if (plane
>= get_number_planes(dri
, bo
->image
)) {
655 /* dumb BOs can only utilize non-planar formats */
658 ret
.s32
= bo
->handle
;
662 __DRIimage
*image
= dri
->image
->fromPlanar(bo
->image
, plane
, NULL
);
664 dri
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_HANDLE
, &ret
.s32
);
665 dri
->image
->destroyImage(image
);
668 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_HANDLE
, &ret
.s32
);
675 gbm_dri_bo_get_stride(struct gbm_bo
*_bo
, int plane
)
677 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
678 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
682 if (!dri
->image
|| dri
->image
->base
.version
< 11 || !dri
->image
->fromPlanar
) {
683 /* Preserve legacy behavior if plane is 0 */
691 if (plane
>= get_number_planes(dri
, bo
->image
)) {
696 if (bo
->image
== NULL
) {
701 image
= dri
->image
->fromPlanar(bo
->image
, plane
, NULL
);
703 dri
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_STRIDE
, &stride
);
704 dri
->image
->destroyImage(image
);
707 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_STRIDE
, &stride
);
710 return (uint32_t)stride
;
714 gbm_dri_bo_get_offset(struct gbm_bo
*_bo
, int plane
)
716 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
717 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
720 /* These error cases do not actually return an error code, as the user
721 * will also fail to obtain the handle/FD from the BO. In that case, the
722 * offset is irrelevant, as they have no buffer to offset into, so
723 * returning 0 is harmless.
725 if (!dri
->image
|| dri
->image
->base
.version
< 13 || !dri
->image
->fromPlanar
)
728 if (plane
>= get_number_planes(dri
, bo
->image
))
731 /* Dumb images have no offset */
732 if (bo
->image
== NULL
) {
737 __DRIimage
*image
= dri
->image
->fromPlanar(bo
->image
, plane
, NULL
);
739 dri
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_OFFSET
, &offset
);
740 dri
->image
->destroyImage(image
);
742 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_OFFSET
, &offset
);
745 return (uint32_t)offset
;
749 gbm_dri_bo_get_modifier(struct gbm_bo
*_bo
)
751 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
752 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
754 if (!dri
->image
|| dri
->image
->base
.version
< 14) {
756 return DRM_FORMAT_MOD_INVALID
;
759 /* Dumb buffers have no modifiers */
761 return DRM_FORMAT_MOD_LINEAR
;
765 if (!dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_MODIFIER_UPPER
,
767 return DRM_FORMAT_MOD_INVALID
;
769 ret
= (uint64_t)mod
<< 32;
771 if (!dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_MODIFIER_LOWER
,
773 return DRM_FORMAT_MOD_INVALID
;
775 ret
|= (uint64_t)(mod
& 0xffffffff);
781 gbm_dri_bo_destroy(struct gbm_bo
*_bo
)
783 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
784 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
785 struct drm_mode_destroy_dumb arg
;
787 if (bo
->image
!= NULL
) {
788 dri
->image
->destroyImage(bo
->image
);
790 gbm_dri_bo_unmap_dumb(bo
);
791 memset(&arg
, 0, sizeof(arg
));
792 arg
.handle
= bo
->handle
;
793 drmIoctl(dri
->base
.base
.fd
, DRM_IOCTL_MODE_DESTROY_DUMB
, &arg
);
800 gbm_dri_to_gbm_format(uint32_t dri_format
)
804 switch (dri_format
) {
805 case __DRI_IMAGE_FORMAT_RGB565
:
806 ret
= GBM_FORMAT_RGB565
;
808 case __DRI_IMAGE_FORMAT_XRGB8888
:
809 ret
= GBM_FORMAT_XRGB8888
;
811 case __DRI_IMAGE_FORMAT_ARGB8888
:
812 ret
= GBM_FORMAT_ARGB8888
;
814 case __DRI_IMAGE_FORMAT_XBGR8888
:
815 ret
= GBM_FORMAT_XBGR8888
;
817 case __DRI_IMAGE_FORMAT_ABGR8888
:
818 ret
= GBM_FORMAT_ABGR8888
;
828 static struct gbm_bo
*
829 gbm_dri_bo_import(struct gbm_device
*gbm
,
830 uint32_t type
, void *buffer
, uint32_t usage
)
832 struct gbm_dri_device
*dri
= gbm_dri_device(gbm
);
833 struct gbm_dri_bo
*bo
;
835 unsigned dri_use
= 0;
838 /* Required for query image WIDTH & HEIGHT */
839 if (dri
->image
== NULL
|| dri
->image
->base
.version
< 4) {
845 #if HAVE_WAYLAND_PLATFORM
846 case GBM_BO_IMPORT_WL_BUFFER
:
848 struct wl_drm_buffer
*wb
;
855 wb
= wayland_drm_buffer_get(dri
->wl_drm
, (struct wl_resource
*) buffer
);
861 image
= dri
->image
->dupImage(wb
->driver_buffer
, NULL
);
863 switch (wb
->format
) {
864 case WL_DRM_FORMAT_XRGB8888
:
865 gbm_format
= GBM_FORMAT_XRGB8888
;
867 case WL_DRM_FORMAT_ARGB8888
:
868 gbm_format
= GBM_FORMAT_ARGB8888
;
870 case WL_DRM_FORMAT_RGB565
:
871 gbm_format
= GBM_FORMAT_RGB565
;
873 case WL_DRM_FORMAT_YUYV
:
874 gbm_format
= GBM_FORMAT_YUYV
;
877 dri
->image
->destroyImage(image
);
884 case GBM_BO_IMPORT_EGL_IMAGE
:
887 if (dri
->lookup_image
== NULL
) {
892 image
= dri
->lookup_image(dri
->screen
, buffer
, dri
->lookup_user_data
);
893 image
= dri
->image
->dupImage(image
, NULL
);
894 dri
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_FORMAT
, &dri_format
);
895 gbm_format
= gbm_dri_to_gbm_format(dri_format
);
896 if (gbm_format
== 0) {
898 dri
->image
->destroyImage(image
);
904 case GBM_BO_IMPORT_FD
:
906 struct gbm_import_fd_data
*fd_data
= buffer
;
907 int stride
= fd_data
->stride
, offset
= 0;
910 switch (fd_data
->format
) {
911 case GBM_BO_FORMAT_XRGB8888
:
912 dri_format
= GBM_FORMAT_XRGB8888
;
914 case GBM_BO_FORMAT_ARGB8888
:
915 dri_format
= GBM_FORMAT_ARGB8888
;
918 dri_format
= fd_data
->format
;
921 image
= dri
->image
->createImageFromFds(dri
->screen
,
932 gbm_format
= fd_data
->format
;
942 bo
= calloc(1, sizeof *bo
);
944 dri
->image
->destroyImage(image
);
950 if (usage
& GBM_BO_USE_SCANOUT
)
951 dri_use
|= __DRI_IMAGE_USE_SCANOUT
;
952 if (usage
& GBM_BO_USE_CURSOR
)
953 dri_use
|= __DRI_IMAGE_USE_CURSOR
;
954 if (dri
->image
->base
.version
>= 2 &&
955 !dri
->image
->validateUsage(bo
->image
, dri_use
)) {
957 dri
->image
->destroyImage(bo
->image
);
963 bo
->base
.format
= gbm_format
;
965 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_WIDTH
,
966 (int*)&bo
->base
.width
);
967 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_HEIGHT
,
968 (int*)&bo
->base
.height
);
969 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_STRIDE
,
970 (int*)&bo
->base
.stride
);
971 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_HANDLE
,
972 &bo
->base
.handle
.s32
);
978 is_planar_format(uint32_t format
)
981 case GBM_FORMAT_NV12
:
982 case GBM_FORMAT_NV21
:
983 case GBM_FORMAT_NV16
:
984 case GBM_FORMAT_NV61
:
985 case GBM_FORMAT_YUV410
:
986 case GBM_FORMAT_YVU410
:
987 case GBM_FORMAT_YUV411
:
988 case GBM_FORMAT_YVU411
:
989 case GBM_FORMAT_YUV420
:
990 case GBM_FORMAT_YVU420
:
991 case GBM_FORMAT_YUV422
:
992 case GBM_FORMAT_YVU422
:
993 case GBM_FORMAT_YUV444
:
994 case GBM_FORMAT_YVU444
:
1002 static struct gbm_bo
*
1003 create_dumb(struct gbm_device
*gbm
,
1004 uint32_t width
, uint32_t height
,
1005 uint32_t format
, uint32_t usage
)
1007 struct gbm_dri_device
*dri
= gbm_dri_device(gbm
);
1008 struct drm_mode_create_dumb create_arg
;
1009 struct gbm_dri_bo
*bo
;
1010 struct drm_mode_destroy_dumb destroy_arg
;
1012 int is_cursor
, is_scanout
;
1014 is_cursor
= (usage
& GBM_BO_USE_CURSOR
) != 0 &&
1015 format
== GBM_FORMAT_ARGB8888
;
1016 is_scanout
= (usage
& GBM_BO_USE_SCANOUT
) != 0 &&
1017 format
== GBM_FORMAT_XRGB8888
;
1018 if (!is_cursor
&& !is_scanout
) {
1023 if (is_planar_format(format
)) {
1028 bo
= calloc(1, sizeof *bo
);
1032 memset(&create_arg
, 0, sizeof(create_arg
));
1033 create_arg
.bpp
= 32;
1034 create_arg
.width
= width
;
1035 create_arg
.height
= height
;
1037 ret
= drmIoctl(dri
->base
.base
.fd
, DRM_IOCTL_MODE_CREATE_DUMB
, &create_arg
);
1042 bo
->base
.width
= width
;
1043 bo
->base
.height
= height
;
1044 bo
->base
.stride
= create_arg
.pitch
;
1045 bo
->base
.format
= format
;
1046 bo
->base
.handle
.u32
= create_arg
.handle
;
1047 bo
->handle
= create_arg
.handle
;
1048 bo
->size
= create_arg
.size
;
1050 if (gbm_dri_bo_map_dumb(bo
) == NULL
)
1056 memset(&destroy_arg
, 0, sizeof destroy_arg
);
1057 destroy_arg
.handle
= create_arg
.handle
;
1058 drmIoctl(dri
->base
.base
.fd
, DRM_IOCTL_MODE_DESTROY_DUMB
, &destroy_arg
);
1065 static struct gbm_bo
*
1066 gbm_dri_bo_create(struct gbm_device
*gbm
,
1067 uint32_t width
, uint32_t height
,
1068 uint32_t format
, uint32_t usage
,
1069 const uint64_t *modifiers
,
1070 const unsigned int count
)
1072 struct gbm_dri_device
*dri
= gbm_dri_device(gbm
);
1073 struct gbm_dri_bo
*bo
;
1075 unsigned dri_use
= 0;
1077 /* Callers of this may specify a modifier, or a dri usage, but not both. The
1078 * newer modifier interface deprecates the older usage flags.
1080 assert(!(usage
&& count
));
1082 if (usage
& GBM_BO_USE_WRITE
|| dri
->image
== NULL
)
1083 return create_dumb(gbm
, width
, height
, format
, usage
);
1085 bo
= calloc(1, sizeof *bo
);
1090 bo
->base
.width
= width
;
1091 bo
->base
.height
= height
;
1092 bo
->base
.format
= format
;
1096 dri_format
= __DRI_IMAGE_FORMAT_R8
;
1098 case GBM_FORMAT_GR88
:
1099 dri_format
= __DRI_IMAGE_FORMAT_GR88
;
1101 case GBM_FORMAT_RGB565
:
1102 dri_format
= __DRI_IMAGE_FORMAT_RGB565
;
1104 case GBM_FORMAT_XRGB8888
:
1105 case GBM_BO_FORMAT_XRGB8888
:
1106 dri_format
= __DRI_IMAGE_FORMAT_XRGB8888
;
1108 case GBM_FORMAT_ARGB8888
:
1109 case GBM_BO_FORMAT_ARGB8888
:
1110 dri_format
= __DRI_IMAGE_FORMAT_ARGB8888
;
1112 case GBM_FORMAT_ABGR8888
:
1113 dri_format
= __DRI_IMAGE_FORMAT_ABGR8888
;
1115 case GBM_FORMAT_XBGR8888
:
1116 dri_format
= __DRI_IMAGE_FORMAT_XBGR8888
;
1118 case GBM_FORMAT_ARGB2101010
:
1119 dri_format
= __DRI_IMAGE_FORMAT_ARGB2101010
;
1121 case GBM_FORMAT_XRGB2101010
:
1122 dri_format
= __DRI_IMAGE_FORMAT_XRGB2101010
;
1129 if (usage
& GBM_BO_USE_SCANOUT
)
1130 dri_use
|= __DRI_IMAGE_USE_SCANOUT
;
1131 if (usage
& GBM_BO_USE_CURSOR
)
1132 dri_use
|= __DRI_IMAGE_USE_CURSOR
;
1133 if (usage
& GBM_BO_USE_LINEAR
)
1134 dri_use
|= __DRI_IMAGE_USE_LINEAR
;
1136 /* Gallium drivers requires shared in order to get the handle/stride */
1137 dri_use
|= __DRI_IMAGE_USE_SHARE
;
1140 if (!dri
->image
|| dri
->image
->base
.version
< 14 ||
1141 !dri
->image
->createImageWithModifiers
) {
1142 fprintf(stderr
, "Modifiers specified, but DRI is too old\n");
1147 /* It's acceptable to create an image with INVALID modifier in the list,
1148 * but it cannot be on the only modifier (since it will certainly fail
1149 * later). While we could easily catch this after modifier creation, doing
1150 * the check here is a convenient debug check likely pointing at whatever
1151 * interface the client is using to build its modifier list.
1153 if (count
== 1 && modifiers
[0] == DRM_FORMAT_MOD_INVALID
) {
1154 fprintf(stderr
, "Only invalid modifier specified\n");
1160 dri
->image
->createImageWithModifiers(dri
->screen
,
1167 /* The client passed in a list of invalid modifiers */
1168 assert(gbm_dri_bo_get_modifier(&bo
->base
) != DRM_FORMAT_MOD_INVALID
);
1171 bo
->image
= dri
->image
->createImage(dri
->screen
, width
, height
,
1172 dri_format
, dri_use
, bo
);
1175 if (bo
->image
== NULL
)
1178 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_HANDLE
,
1179 &bo
->base
.handle
.s32
);
1180 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_STRIDE
,
1181 (int *) &bo
->base
.stride
);
1191 gbm_dri_bo_map(struct gbm_bo
*_bo
,
1192 uint32_t x
, uint32_t y
,
1193 uint32_t width
, uint32_t height
,
1194 uint32_t flags
, uint32_t *stride
, void **map_data
)
1196 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
1197 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
1199 /* If it's a dumb buffer, we already have a mapping */
1201 *map_data
= (char *)bo
->map
+ (bo
->base
.stride
* y
) + (x
* 4);
1202 *stride
= bo
->base
.stride
;
1206 if (!dri
->image
|| dri
->image
->base
.version
< 12 || !dri
->image
->mapImage
) {
1211 mtx_lock(&dri
->mutex
);
1213 dri
->context
= dri
->dri2
->createNewContext(dri
->screen
, NULL
,
1215 assert(dri
->context
);
1216 mtx_unlock(&dri
->mutex
);
1218 /* GBM flags and DRI flags are the same, so just pass them on */
1219 return dri
->image
->mapImage(dri
->context
, bo
->image
, x
, y
,
1220 width
, height
, flags
, (int *)stride
,
1225 gbm_dri_bo_unmap(struct gbm_bo
*_bo
, void *map_data
)
1227 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
1228 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
1230 /* Check if it's a dumb buffer and check the pointer is in range */
1232 assert(map_data
>= bo
->map
);
1233 assert(map_data
< (bo
->map
+ bo
->size
));
1237 if (!dri
->context
|| !dri
->image
||
1238 dri
->image
->base
.version
< 12 || !dri
->image
->unmapImage
)
1241 dri
->image
->unmapImage(dri
->context
, bo
->image
, map_data
);
1244 * Not all DRI drivers use direct maps. They may queue up DMA operations
1245 * on the mapping context. Since there is no explicit gbm flush
1246 * mechanism, we need to flush here.
1248 if (dri
->flush
->base
.version
>= 4)
1249 dri
->flush
->flush_with_flags(dri
->context
, NULL
, __DRI2_FLUSH_CONTEXT
, 0);
1253 static struct gbm_surface
*
1254 gbm_dri_surface_create(struct gbm_device
*gbm
,
1255 uint32_t width
, uint32_t height
,
1256 uint32_t format
, uint32_t flags
,
1257 const uint64_t *modifiers
, const unsigned count
)
1259 struct gbm_dri_device
*dri
= gbm_dri_device(gbm
);
1260 struct gbm_dri_surface
*surf
;
1263 (!dri
->image
|| dri
->image
->base
.version
< 14 ||
1264 !dri
->image
->createImageWithModifiers
)) {
1272 /* It's acceptable to create an image with INVALID modifier in the list,
1273 * but it cannot be on the only modifier (since it will certainly fail
1274 * later). While we could easily catch this after modifier creation, doing
1275 * the check here is a convenient debug check likely pointing at whatever
1276 * interface the client is using to build its modifier list.
1278 if (count
== 1 && modifiers
[0] == DRM_FORMAT_MOD_INVALID
) {
1279 fprintf(stderr
, "Only invalid modifier specified\n");
1283 surf
= calloc(1, sizeof *surf
);
1289 surf
->base
.gbm
= gbm
;
1290 surf
->base
.width
= width
;
1291 surf
->base
.height
= height
;
1292 surf
->base
.format
= format
;
1293 surf
->base
.flags
= flags
;
1299 surf
->base
.modifiers
= calloc(count
, sizeof(*modifiers
));
1300 if (count
&& !surf
->base
.modifiers
) {
1306 /* TODO: We are deferring validation of modifiers until the image is actually
1307 * created. This deferred creation can fail due to a modifier-format
1308 * mismatch. The result is the client has a surface but no object to back it.
1310 surf
->base
.count
= count
;
1311 memcpy(surf
->base
.modifiers
, modifiers
, count
* sizeof(*modifiers
));
1317 gbm_dri_surface_destroy(struct gbm_surface
*_surf
)
1319 struct gbm_dri_surface
*surf
= gbm_dri_surface(_surf
);
1321 free(surf
->base
.modifiers
);
1326 dri_destroy(struct gbm_device
*gbm
)
1328 struct gbm_dri_device
*dri
= gbm_dri_device(gbm
);
1332 dri
->core
->destroyContext(dri
->context
);
1334 dri
->core
->destroyScreen(dri
->screen
);
1335 for (i
= 0; dri
->driver_configs
[i
]; i
++)
1336 free((__DRIconfig
*) dri
->driver_configs
[i
]);
1337 free(dri
->driver_configs
);
1338 dlclose(dri
->driver
);
1339 free(dri
->base
.driver_name
);
1344 static struct gbm_device
*
1345 dri_device_create(int fd
)
1347 struct gbm_dri_device
*dri
;
1350 dri
= calloc(1, sizeof *dri
);
1354 dri
->base
.base
.fd
= fd
;
1355 dri
->base
.base
.bo_create
= gbm_dri_bo_create
;
1356 dri
->base
.base
.bo_import
= gbm_dri_bo_import
;
1357 dri
->base
.base
.bo_map
= gbm_dri_bo_map
;
1358 dri
->base
.base
.bo_unmap
= gbm_dri_bo_unmap
;
1359 dri
->base
.base
.is_format_supported
= gbm_dri_is_format_supported
;
1360 dri
->base
.base
.bo_write
= gbm_dri_bo_write
;
1361 dri
->base
.base
.bo_get_fd
= gbm_dri_bo_get_fd
;
1362 dri
->base
.base
.bo_get_planes
= gbm_dri_bo_get_planes
;
1363 dri
->base
.base
.bo_get_handle
= gbm_dri_bo_get_handle_for_plane
;
1364 dri
->base
.base
.bo_get_stride
= gbm_dri_bo_get_stride
;
1365 dri
->base
.base
.bo_get_offset
= gbm_dri_bo_get_offset
;
1366 dri
->base
.base
.bo_get_modifier
= gbm_dri_bo_get_modifier
;
1367 dri
->base
.base
.bo_destroy
= gbm_dri_bo_destroy
;
1368 dri
->base
.base
.destroy
= dri_destroy
;
1369 dri
->base
.base
.surface_create
= gbm_dri_surface_create
;
1370 dri
->base
.base
.surface_destroy
= gbm_dri_surface_destroy
;
1372 dri
->base
.type
= GBM_DRM_DRIVER_TYPE_DRI
;
1373 dri
->base
.base
.name
= "drm";
1375 mtx_init(&dri
->mutex
, mtx_plain
);
1377 force_sw
= getenv("GBM_ALWAYS_SOFTWARE") != NULL
;
1379 ret
= dri_screen_create(dri
);
1381 ret
= dri_screen_create_sw(dri
);
1383 ret
= dri_screen_create_sw(dri
);
1389 return &dri
->base
.base
;
1397 struct gbm_backend gbm_dri_backend
= {
1398 .backend_name
= "dri",
1399 .create_device
= dri_device_create
,