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"
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"
59 #ifndef DRM_FORMAT_MOD_INVALID
60 #define DRM_FORMAT_MOD_INVALID ((1ULL<<56) - 1)
63 #ifndef DRM_FORMAT_MOD_LINEAR
64 #define DRM_FORMAT_MOD_LINEAR 0
68 dri_lookup_egl_image(__DRIscreen
*screen
, void *image
, void *data
)
70 struct gbm_dri_device
*dri
= data
;
72 if (dri
->lookup_image
== NULL
)
75 return dri
->lookup_image(screen
, image
, dri
->lookup_user_data
);
79 dri_get_buffers(__DRIdrawable
* driDrawable
,
80 int *width
, int *height
,
81 unsigned int *attachments
, int count
,
82 int *out_count
, void *data
)
84 struct gbm_dri_surface
*surf
= data
;
85 struct gbm_dri_device
*dri
= gbm_dri_device(surf
->base
.gbm
);
87 if (dri
->get_buffers
== NULL
)
90 return dri
->get_buffers(driDrawable
, width
, height
, attachments
,
91 count
, out_count
, surf
->dri_private
);
95 dri_flush_front_buffer(__DRIdrawable
* driDrawable
, void *data
)
97 struct gbm_dri_surface
*surf
= data
;
98 struct gbm_dri_device
*dri
= gbm_dri_device(surf
->base
.gbm
);
100 if (dri
->flush_front_buffer
!= NULL
)
101 dri
->flush_front_buffer(driDrawable
, surf
->dri_private
);
105 dri_get_buffers_with_format(__DRIdrawable
* driDrawable
,
106 int *width
, int *height
,
107 unsigned int *attachments
, int count
,
108 int *out_count
, void *data
)
110 struct gbm_dri_surface
*surf
= data
;
111 struct gbm_dri_device
*dri
= gbm_dri_device(surf
->base
.gbm
);
113 if (dri
->get_buffers_with_format
== NULL
)
117 dri
->get_buffers_with_format(driDrawable
, width
, height
, attachments
,
118 count
, out_count
, surf
->dri_private
);
122 image_get_buffers(__DRIdrawable
*driDrawable
,
126 uint32_t buffer_mask
,
127 struct __DRIimageList
*buffers
)
129 struct gbm_dri_surface
*surf
= loaderPrivate
;
130 struct gbm_dri_device
*dri
= gbm_dri_device(surf
->base
.gbm
);
132 if (dri
->image_get_buffers
== NULL
)
135 return dri
->image_get_buffers(driDrawable
, format
, stamp
,
136 surf
->dri_private
, buffer_mask
, buffers
);
140 swrast_get_drawable_info(__DRIdrawable
*driDrawable
,
147 struct gbm_dri_surface
*surf
= loaderPrivate
;
151 *width
= surf
->base
.width
;
152 *height
= surf
->base
.height
;
156 swrast_put_image2(__DRIdrawable
*driDrawable
,
166 struct gbm_dri_surface
*surf
= loaderPrivate
;
167 struct gbm_dri_device
*dri
= gbm_dri_device(surf
->base
.gbm
);
169 dri
->swrast_put_image2(driDrawable
,
171 width
, height
, stride
,
172 data
, surf
->dri_private
);
176 swrast_put_image(__DRIdrawable
*driDrawable
,
185 return swrast_put_image2(driDrawable
, op
, x
, y
, width
, height
,
186 width
* 4, data
, loaderPrivate
);
190 swrast_get_image(__DRIdrawable
*driDrawable
,
198 struct gbm_dri_surface
*surf
= loaderPrivate
;
199 struct gbm_dri_device
*dri
= gbm_dri_device(surf
->base
.gbm
);
201 dri
->swrast_get_image(driDrawable
,
204 data
, surf
->dri_private
);
207 static const __DRIuseInvalidateExtension use_invalidate
= {
208 .base
= { __DRI_USE_INVALIDATE
, 1 }
211 static const __DRIimageLookupExtension image_lookup_extension
= {
212 .base
= { __DRI_IMAGE_LOOKUP
, 1 },
214 .lookupEGLImage
= dri_lookup_egl_image
217 static const __DRIdri2LoaderExtension dri2_loader_extension
= {
218 .base
= { __DRI_DRI2_LOADER
, 3 },
220 .getBuffers
= dri_get_buffers
,
221 .flushFrontBuffer
= dri_flush_front_buffer
,
222 .getBuffersWithFormat
= dri_get_buffers_with_format
,
225 static const __DRIimageLoaderExtension image_loader_extension
= {
226 .base
= { __DRI_IMAGE_LOADER
, 1 },
228 .getBuffers
= image_get_buffers
,
229 .flushFrontBuffer
= dri_flush_front_buffer
,
232 static const __DRIswrastLoaderExtension swrast_loader_extension
= {
233 .base
= { __DRI_SWRAST_LOADER
, 2 },
235 .getDrawableInfo
= swrast_get_drawable_info
,
236 .putImage
= swrast_put_image
,
237 .getImage
= swrast_get_image
,
238 .putImage2
= swrast_put_image2
241 static const __DRIextension
*gbm_dri_screen_extensions
[] = {
242 &image_lookup_extension
.base
,
243 &use_invalidate
.base
,
244 &dri2_loader_extension
.base
,
245 &image_loader_extension
.base
,
246 &swrast_loader_extension
.base
,
250 struct dri_extension_match
{
257 static struct dri_extension_match dri_core_extensions
[] = {
258 { __DRI2_FLUSH
, 1, offsetof(struct gbm_dri_device
, flush
) },
259 { __DRI_IMAGE
, 1, offsetof(struct gbm_dri_device
, image
) },
260 { __DRI2_FENCE
, 1, offsetof(struct gbm_dri_device
, fence
), 1 },
264 static struct dri_extension_match gbm_dri_device_extensions
[] = {
265 { __DRI_CORE
, 1, offsetof(struct gbm_dri_device
, core
) },
266 { __DRI_DRI2
, 1, offsetof(struct gbm_dri_device
, dri2
) },
270 static struct dri_extension_match gbm_swrast_device_extensions
[] = {
271 { __DRI_CORE
, 1, offsetof(struct gbm_dri_device
, core
), },
272 { __DRI_SWRAST
, 1, offsetof(struct gbm_dri_device
, swrast
) },
277 dri_bind_extensions(struct gbm_dri_device
*dri
,
278 struct dri_extension_match
*matches
,
279 const __DRIextension
**extensions
)
284 for (i
= 0; extensions
[i
]; i
++) {
285 for (j
= 0; matches
[j
].name
; j
++) {
286 if (strcmp(extensions
[i
]->name
, matches
[j
].name
) == 0 &&
287 extensions
[i
]->version
>= matches
[j
].version
) {
288 field
= ((char *) dri
+ matches
[j
].offset
);
289 *(const __DRIextension
**) field
= extensions
[i
];
294 for (j
= 0; matches
[j
].name
; j
++) {
295 field
= ((char *) dri
+ matches
[j
].offset
);
296 if ((*(const __DRIextension
**) field
== NULL
) && !matches
[j
].optional
) {
304 static const __DRIextension
**
305 dri_open_driver(struct gbm_dri_device
*dri
)
307 /* Temporarily work around dri driver libs that need symbols in libglapi
308 * but don't automatically link it in.
310 /* XXX: Library name differs on per platforms basis. Update this as
311 * osx/cygwin/windows/bsd gets support for GBM..
313 dlopen("libglapi.so.0", RTLD_LAZY
| RTLD_GLOBAL
);
315 static const char *search_path_vars
[] = {
316 /* Read GBM_DRIVERS_PATH first for compatibility, but LIBGL_DRIVERS_PATH
317 * is recommended over GBM_DRIVERS_PATH.
320 /* Read LIBGL_DRIVERS_PATH if GBM_DRIVERS_PATH was not set.
321 * LIBGL_DRIVERS_PATH is recommended over GBM_DRIVERS_PATH.
323 "LIBGL_DRIVERS_PATH",
326 return loader_open_driver(dri
->driver_name
, &dri
->driver
, search_path_vars
);
330 dri_load_driver(struct gbm_dri_device
*dri
)
332 const __DRIextension
**extensions
;
334 extensions
= dri_open_driver(dri
);
338 if (dri_bind_extensions(dri
, gbm_dri_device_extensions
, extensions
) < 0) {
339 dlclose(dri
->driver
);
340 fprintf(stderr
, "failed to bind extensions\n");
344 dri
->driver_extensions
= extensions
;
350 dri_load_driver_swrast(struct gbm_dri_device
*dri
)
352 const __DRIextension
**extensions
;
354 extensions
= dri_open_driver(dri
);
358 if (dri_bind_extensions(dri
, gbm_swrast_device_extensions
, extensions
) < 0) {
359 dlclose(dri
->driver
);
360 fprintf(stderr
, "failed to bind extensions\n");
364 dri
->driver_extensions
= extensions
;
370 dri_screen_create_dri2(struct gbm_dri_device
*dri
, char *driver_name
)
372 const __DRIextension
**extensions
;
375 dri
->driver_name
= driver_name
;
376 if (dri
->driver_name
== NULL
)
379 ret
= dri_load_driver(dri
);
381 fprintf(stderr
, "failed to load driver: %s\n", dri
->driver_name
);
385 dri
->loader_extensions
= gbm_dri_screen_extensions
;
387 if (dri
->dri2
== NULL
)
390 if (dri
->dri2
->base
.version
>= 4) {
391 dri
->screen
= dri
->dri2
->createNewScreen2(0, dri
->base
.fd
,
392 dri
->loader_extensions
,
393 dri
->driver_extensions
,
394 &dri
->driver_configs
, dri
);
396 dri
->screen
= dri
->dri2
->createNewScreen(0, dri
->base
.fd
,
397 dri
->loader_extensions
,
398 &dri
->driver_configs
, dri
);
400 if (dri
->screen
== NULL
)
403 extensions
= dri
->core
->getExtensions(dri
->screen
);
404 if (dri_bind_extensions(dri
, dri_core_extensions
, extensions
) < 0) {
409 dri
->lookup_image
= NULL
;
410 dri
->lookup_user_data
= NULL
;
415 dri
->core
->destroyScreen(dri
->screen
);
421 dri_screen_create_swrast(struct gbm_dri_device
*dri
)
425 dri
->driver_name
= strdup("swrast");
426 if (dri
->driver_name
== NULL
)
429 ret
= dri_load_driver_swrast(dri
);
431 fprintf(stderr
, "failed to load swrast driver\n");
435 dri
->loader_extensions
= gbm_dri_screen_extensions
;
437 if (dri
->swrast
== NULL
)
440 if (dri
->swrast
->base
.version
>= 4) {
441 dri
->screen
= dri
->swrast
->createNewScreen2(0, dri
->loader_extensions
,
442 dri
->driver_extensions
,
443 &dri
->driver_configs
, dri
);
445 dri
->screen
= dri
->swrast
->createNewScreen(0, dri
->loader_extensions
,
446 &dri
->driver_configs
, dri
);
448 if (dri
->screen
== NULL
)
451 dri
->lookup_image
= NULL
;
452 dri
->lookup_user_data
= NULL
;
458 dri_screen_create(struct gbm_dri_device
*dri
)
462 driver_name
= loader_get_driver_for_fd(dri
->base
.fd
);
466 return dri_screen_create_dri2(dri
, driver_name
);
470 dri_screen_create_sw(struct gbm_dri_device
*dri
)
475 driver_name
= strdup("kms_swrast");
479 ret
= dri_screen_create_dri2(dri
, driver_name
);
483 return dri_screen_create_swrast(dri
);
486 static const struct gbm_dri_visual gbm_dri_visuals_table
[] = {
488 GBM_FORMAT_R8
, __DRI_IMAGE_FORMAT_R8
,
489 { 0x000000ff, 0x00000000, 0x00000000, 0x00000000 },
492 GBM_FORMAT_GR88
, __DRI_IMAGE_FORMAT_GR88
,
493 { 0x000000ff, 0x0000ff00, 0x00000000, 0x00000000 },
496 GBM_FORMAT_ARGB1555
, __DRI_IMAGE_FORMAT_ARGB1555
,
497 { 0x00007c00, 0x000003e0, 0x0000001f, 0x00008000 },
500 GBM_FORMAT_RGB565
, __DRI_IMAGE_FORMAT_RGB565
,
501 { 0x0000f800, 0x000007e0, 0x0000001f, 0x00000000 },
504 GBM_FORMAT_XRGB8888
, __DRI_IMAGE_FORMAT_XRGB8888
,
505 { 0x00ff0000, 0x0000ff00, 0x000000ff, 0x00000000 },
508 GBM_FORMAT_ARGB8888
, __DRI_IMAGE_FORMAT_ARGB8888
,
509 { 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000 },
512 GBM_FORMAT_XBGR8888
, __DRI_IMAGE_FORMAT_XBGR8888
,
513 { 0x000000ff, 0x0000ff00, 0x00ff0000, 0x00000000 },
516 GBM_FORMAT_ABGR8888
, __DRI_IMAGE_FORMAT_ABGR8888
,
517 { 0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000 },
520 GBM_FORMAT_XRGB2101010
, __DRI_IMAGE_FORMAT_XRGB2101010
,
521 { 0x3ff00000, 0x000ffc00, 0x000003ff, 0x00000000 },
524 GBM_FORMAT_ARGB2101010
, __DRI_IMAGE_FORMAT_ARGB2101010
,
525 { 0x3ff00000, 0x000ffc00, 0x000003ff, 0xc0000000 },
528 GBM_FORMAT_XBGR2101010
, __DRI_IMAGE_FORMAT_XBGR2101010
,
529 { 0x000003ff, 0x000ffc00, 0x3ff00000, 0x00000000 },
532 GBM_FORMAT_ABGR2101010
, __DRI_IMAGE_FORMAT_ABGR2101010
,
533 { 0x000003ff, 0x000ffc00, 0x3ff00000, 0xc0000000 },
538 gbm_format_to_dri_format(uint32_t gbm_format
)
542 gbm_format
= gbm_format_canonicalize(gbm_format
);
543 for (i
= 0; i
< ARRAY_SIZE(gbm_dri_visuals_table
); i
++) {
544 if (gbm_dri_visuals_table
[i
].gbm_format
== gbm_format
)
545 return gbm_dri_visuals_table
[i
].dri_image_format
;
552 gbm_dri_to_gbm_format(int dri_format
)
556 for (i
= 0; i
< ARRAY_SIZE(gbm_dri_visuals_table
); i
++) {
557 if (gbm_dri_visuals_table
[i
].dri_image_format
== dri_format
)
558 return gbm_dri_visuals_table
[i
].gbm_format
;
565 gbm_dri_is_format_supported(struct gbm_device
*gbm
,
569 struct gbm_dri_device
*dri
= gbm_dri_device(gbm
);
572 if ((usage
& GBM_BO_USE_CURSOR
) && (usage
& GBM_BO_USE_RENDERING
))
575 format
= gbm_format_canonicalize(format
);
576 if (gbm_format_to_dri_format(format
) == 0)
579 /* If there is no query, fall back to the small table which was originally
581 if (dri
->image
->base
.version
<= 15 || !dri
->image
->queryDmaBufModifiers
) {
583 case GBM_FORMAT_XRGB8888
:
584 case GBM_FORMAT_ARGB8888
:
585 case GBM_FORMAT_XBGR8888
:
592 /* Check if the driver returns any modifiers for this format; since linear
593 * is counted as a modifier, we will have at least one modifier for any
594 * supported format. */
595 if (!dri
->image
->queryDmaBufModifiers(dri
->screen
, format
, 0, NULL
, NULL
,
603 gbm_dri_get_format_modifier_plane_count(struct gbm_device
*gbm
,
607 struct gbm_dri_device
*dri
= gbm_dri_device(gbm
);
608 uint64_t plane_count
;
610 if (dri
->image
->base
.version
< 16 ||
611 !dri
->image
->queryDmaBufFormatModifierAttribs
)
614 format
= gbm_format_canonicalize(format
);
615 if (gbm_format_to_dri_format(format
) == 0)
618 if (!dri
->image
->queryDmaBufFormatModifierAttribs(
619 dri
->screen
, format
, modifier
,
620 __DRI_IMAGE_FORMAT_MODIFIER_ATTRIB_PLANE_COUNT
, &plane_count
))
627 gbm_dri_bo_write(struct gbm_bo
*_bo
, const void *buf
, size_t count
)
629 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
631 if (bo
->image
!= NULL
) {
636 memcpy(bo
->map
, buf
, count
);
642 gbm_dri_bo_get_fd(struct gbm_bo
*_bo
)
644 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
645 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
648 if (bo
->image
== NULL
)
651 if (!dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_FD
, &fd
))
658 get_number_planes(struct gbm_dri_device
*dri
, __DRIimage
*image
)
662 /* Dumb buffers are single-plane only. */
666 dri
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_NUM_PLANES
, &num_planes
);
675 gbm_dri_bo_get_planes(struct gbm_bo
*_bo
)
677 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
678 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
680 return get_number_planes(dri
, bo
->image
);
683 static union gbm_bo_handle
684 gbm_dri_bo_get_handle_for_plane(struct gbm_bo
*_bo
, int plane
)
686 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
687 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
688 union gbm_bo_handle ret
;
691 if (!dri
->image
|| dri
->image
->base
.version
< 13 || !dri
->image
->fromPlanar
) {
696 if (plane
>= get_number_planes(dri
, bo
->image
)) {
701 /* dumb BOs can only utilize non-planar formats */
704 ret
.s32
= bo
->handle
;
708 __DRIimage
*image
= dri
->image
->fromPlanar(bo
->image
, plane
, NULL
);
710 dri
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_HANDLE
, &ret
.s32
);
711 dri
->image
->destroyImage(image
);
714 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_HANDLE
, &ret
.s32
);
721 gbm_dri_bo_get_stride(struct gbm_bo
*_bo
, int plane
)
723 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
724 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
728 if (!dri
->image
|| dri
->image
->base
.version
< 11 || !dri
->image
->fromPlanar
) {
729 /* Preserve legacy behavior if plane is 0 */
737 if (plane
>= get_number_planes(dri
, bo
->image
)) {
742 if (bo
->image
== NULL
) {
747 image
= dri
->image
->fromPlanar(bo
->image
, plane
, NULL
);
749 dri
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_STRIDE
, &stride
);
750 dri
->image
->destroyImage(image
);
753 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_STRIDE
, &stride
);
756 return (uint32_t)stride
;
760 gbm_dri_bo_get_offset(struct gbm_bo
*_bo
, int plane
)
762 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
763 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
766 /* These error cases do not actually return an error code, as the user
767 * will also fail to obtain the handle/FD from the BO. In that case, the
768 * offset is irrelevant, as they have no buffer to offset into, so
769 * returning 0 is harmless.
771 if (!dri
->image
|| dri
->image
->base
.version
< 13 || !dri
->image
->fromPlanar
)
774 if (plane
>= get_number_planes(dri
, bo
->image
))
777 /* Dumb images have no offset */
778 if (bo
->image
== NULL
) {
783 __DRIimage
*image
= dri
->image
->fromPlanar(bo
->image
, plane
, NULL
);
785 dri
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_OFFSET
, &offset
);
786 dri
->image
->destroyImage(image
);
789 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_OFFSET
, &offset
);
792 return (uint32_t)offset
;
796 gbm_dri_bo_get_modifier(struct gbm_bo
*_bo
)
798 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
799 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
801 if (!dri
->image
|| dri
->image
->base
.version
< 14) {
803 return DRM_FORMAT_MOD_INVALID
;
806 /* Dumb buffers have no modifiers */
808 return DRM_FORMAT_MOD_LINEAR
;
812 if (!dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_MODIFIER_UPPER
,
814 return DRM_FORMAT_MOD_INVALID
;
816 ret
= (uint64_t)mod
<< 32;
818 if (!dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_MODIFIER_LOWER
,
820 return DRM_FORMAT_MOD_INVALID
;
822 ret
|= (uint64_t)(mod
& 0xffffffff);
828 gbm_dri_bo_destroy(struct gbm_bo
*_bo
)
830 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
831 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
832 struct drm_mode_destroy_dumb arg
;
834 if (bo
->image
!= NULL
) {
835 dri
->image
->destroyImage(bo
->image
);
837 gbm_dri_bo_unmap_dumb(bo
);
838 memset(&arg
, 0, sizeof(arg
));
839 arg
.handle
= bo
->handle
;
840 drmIoctl(dri
->base
.fd
, DRM_IOCTL_MODE_DESTROY_DUMB
, &arg
);
846 static struct gbm_bo
*
847 gbm_dri_bo_import(struct gbm_device
*gbm
,
848 uint32_t type
, void *buffer
, uint32_t usage
)
850 struct gbm_dri_device
*dri
= gbm_dri_device(gbm
);
851 struct gbm_dri_bo
*bo
;
853 unsigned dri_use
= 0;
856 /* Required for query image WIDTH & HEIGHT */
857 if (dri
->image
== NULL
|| dri
->image
->base
.version
< 4) {
863 #if HAVE_WAYLAND_PLATFORM
864 case GBM_BO_IMPORT_WL_BUFFER
:
866 struct wl_drm_buffer
*wb
;
873 wb
= wayland_drm_buffer_get(dri
->wl_drm
, (struct wl_resource
*) buffer
);
879 image
= dri
->image
->dupImage(wb
->driver_buffer
, NULL
);
881 /* GBM_FORMAT_* is identical to WL_DRM_FORMAT_*, so no conversion
883 gbm_format
= wb
->format
;
888 case GBM_BO_IMPORT_EGL_IMAGE
:
891 if (dri
->lookup_image
== NULL
) {
896 image
= dri
->lookup_image(dri
->screen
, buffer
, dri
->lookup_user_data
);
897 image
= dri
->image
->dupImage(image
, NULL
);
898 dri
->image
->queryImage(image
, __DRI_IMAGE_ATTRIB_FORMAT
, &dri_format
);
899 gbm_format
= gbm_dri_to_gbm_format(dri_format
);
900 if (gbm_format
== 0) {
902 dri
->image
->destroyImage(image
);
908 case GBM_BO_IMPORT_FD
:
910 struct gbm_import_fd_data
*fd_data
= buffer
;
911 int stride
= fd_data
->stride
, offset
= 0;
914 /* GBM's GBM_FORMAT_* tokens are a strict superset of the DRI FourCC
915 * tokens accepted by createImageFromFds, except for not supporting
916 * the sARGB format. */
917 fourcc
= gbm_format_canonicalize(fd_data
->format
);
919 image
= dri
->image
->createImageFromFds(dri
->screen
,
930 gbm_format
= fd_data
->format
;
934 case GBM_BO_IMPORT_FD_MODIFIER
:
936 struct gbm_import_fd_modifier_data
*fd_data
= buffer
;
940 /* Import with modifier requires createImageFromDmaBufs2 */
941 if (dri
->image
== NULL
|| dri
->image
->base
.version
< 15 ||
942 dri
->image
->createImageFromDmaBufs2
== NULL
) {
947 /* GBM's GBM_FORMAT_* tokens are a strict superset of the DRI FourCC
948 * tokens accepted by createImageFromDmaBufs2, except for not supporting
949 * the sARGB format. */
950 fourcc
= gbm_format_canonicalize(fd_data
->format
);
952 image
= dri
->image
->createImageFromDmaBufs2(dri
->screen
, fd_data
->width
,
953 fd_data
->height
, fourcc
,
976 bo
= calloc(1, sizeof *bo
);
978 dri
->image
->destroyImage(image
);
984 if (usage
& GBM_BO_USE_SCANOUT
)
985 dri_use
|= __DRI_IMAGE_USE_SCANOUT
;
986 if (usage
& GBM_BO_USE_CURSOR
)
987 dri_use
|= __DRI_IMAGE_USE_CURSOR
;
988 if (dri
->image
->base
.version
>= 2 &&
989 !dri
->image
->validateUsage(bo
->image
, dri_use
)) {
991 dri
->image
->destroyImage(bo
->image
);
997 bo
->base
.format
= gbm_format
;
999 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_WIDTH
,
1000 (int*)&bo
->base
.width
);
1001 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_HEIGHT
,
1002 (int*)&bo
->base
.height
);
1003 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_STRIDE
,
1004 (int*)&bo
->base
.stride
);
1005 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_HANDLE
,
1006 &bo
->base
.handle
.s32
);
1011 static struct gbm_bo
*
1012 create_dumb(struct gbm_device
*gbm
,
1013 uint32_t width
, uint32_t height
,
1014 uint32_t format
, uint32_t usage
)
1016 struct gbm_dri_device
*dri
= gbm_dri_device(gbm
);
1017 struct drm_mode_create_dumb create_arg
;
1018 struct gbm_dri_bo
*bo
;
1019 struct drm_mode_destroy_dumb destroy_arg
;
1021 int is_cursor
, is_scanout
;
1023 is_cursor
= (usage
& GBM_BO_USE_CURSOR
) != 0 &&
1024 format
== GBM_FORMAT_ARGB8888
;
1025 is_scanout
= (usage
& GBM_BO_USE_SCANOUT
) != 0 &&
1026 (format
== GBM_FORMAT_XRGB8888
|| format
== GBM_FORMAT_XBGR8888
);
1027 if (!is_cursor
&& !is_scanout
) {
1032 bo
= calloc(1, sizeof *bo
);
1036 memset(&create_arg
, 0, sizeof(create_arg
));
1037 create_arg
.bpp
= 32;
1038 create_arg
.width
= width
;
1039 create_arg
.height
= height
;
1041 ret
= drmIoctl(dri
->base
.fd
, DRM_IOCTL_MODE_CREATE_DUMB
, &create_arg
);
1046 bo
->base
.width
= width
;
1047 bo
->base
.height
= height
;
1048 bo
->base
.stride
= create_arg
.pitch
;
1049 bo
->base
.format
= format
;
1050 bo
->base
.handle
.u32
= create_arg
.handle
;
1051 bo
->handle
= create_arg
.handle
;
1052 bo
->size
= create_arg
.size
;
1054 if (gbm_dri_bo_map_dumb(bo
) == NULL
)
1060 memset(&destroy_arg
, 0, sizeof destroy_arg
);
1061 destroy_arg
.handle
= create_arg
.handle
;
1062 drmIoctl(dri
->base
.fd
, DRM_IOCTL_MODE_DESTROY_DUMB
, &destroy_arg
);
1069 static struct gbm_bo
*
1070 gbm_dri_bo_create(struct gbm_device
*gbm
,
1071 uint32_t width
, uint32_t height
,
1072 uint32_t format
, uint32_t usage
,
1073 const uint64_t *modifiers
,
1074 const unsigned int count
)
1076 struct gbm_dri_device
*dri
= gbm_dri_device(gbm
);
1077 struct gbm_dri_bo
*bo
;
1079 unsigned dri_use
= 0;
1081 /* Callers of this may specify a modifier, or a dri usage, but not both. The
1082 * newer modifier interface deprecates the older usage flags.
1084 assert(!(usage
&& count
));
1086 format
= gbm_format_canonicalize(format
);
1088 if (usage
& GBM_BO_USE_WRITE
|| dri
->image
== NULL
)
1089 return create_dumb(gbm
, width
, height
, format
, usage
);
1091 bo
= calloc(1, sizeof *bo
);
1096 bo
->base
.width
= width
;
1097 bo
->base
.height
= height
;
1098 bo
->base
.format
= format
;
1100 dri_format
= gbm_format_to_dri_format(format
);
1101 if (dri_format
== 0) {
1106 if (usage
& GBM_BO_USE_SCANOUT
)
1107 dri_use
|= __DRI_IMAGE_USE_SCANOUT
;
1108 if (usage
& GBM_BO_USE_CURSOR
)
1109 dri_use
|= __DRI_IMAGE_USE_CURSOR
;
1110 if (usage
& GBM_BO_USE_LINEAR
)
1111 dri_use
|= __DRI_IMAGE_USE_LINEAR
;
1113 /* Gallium drivers requires shared in order to get the handle/stride */
1114 dri_use
|= __DRI_IMAGE_USE_SHARE
;
1117 if (!dri
->image
|| dri
->image
->base
.version
< 14 ||
1118 !dri
->image
->createImageWithModifiers
) {
1119 fprintf(stderr
, "Modifiers specified, but DRI is too old\n");
1124 /* It's acceptable to create an image with INVALID modifier in the list,
1125 * but it cannot be on the only modifier (since it will certainly fail
1126 * later). While we could easily catch this after modifier creation, doing
1127 * the check here is a convenient debug check likely pointing at whatever
1128 * interface the client is using to build its modifier list.
1130 if (count
== 1 && modifiers
[0] == DRM_FORMAT_MOD_INVALID
) {
1131 fprintf(stderr
, "Only invalid modifier specified\n");
1137 dri
->image
->createImageWithModifiers(dri
->screen
,
1144 /* The client passed in a list of invalid modifiers */
1145 assert(gbm_dri_bo_get_modifier(&bo
->base
) != DRM_FORMAT_MOD_INVALID
);
1148 bo
->image
= dri
->image
->createImage(dri
->screen
, width
, height
,
1149 dri_format
, dri_use
, bo
);
1152 if (bo
->image
== NULL
)
1155 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_HANDLE
,
1156 &bo
->base
.handle
.s32
);
1157 dri
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_STRIDE
,
1158 (int *) &bo
->base
.stride
);
1168 gbm_dri_bo_map(struct gbm_bo
*_bo
,
1169 uint32_t x
, uint32_t y
,
1170 uint32_t width
, uint32_t height
,
1171 uint32_t flags
, uint32_t *stride
, void **map_data
)
1173 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
1174 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
1176 /* If it's a dumb buffer, we already have a mapping */
1178 *map_data
= (char *)bo
->map
+ (bo
->base
.stride
* y
) + (x
* 4);
1179 *stride
= bo
->base
.stride
;
1183 if (!dri
->image
|| dri
->image
->base
.version
< 12 || !dri
->image
->mapImage
) {
1188 mtx_lock(&dri
->mutex
);
1190 dri
->context
= dri
->dri2
->createNewContext(dri
->screen
, NULL
,
1192 assert(dri
->context
);
1193 mtx_unlock(&dri
->mutex
);
1195 /* GBM flags and DRI flags are the same, so just pass them on */
1196 return dri
->image
->mapImage(dri
->context
, bo
->image
, x
, y
,
1197 width
, height
, flags
, (int *)stride
,
1202 gbm_dri_bo_unmap(struct gbm_bo
*_bo
, void *map_data
)
1204 struct gbm_dri_device
*dri
= gbm_dri_device(_bo
->gbm
);
1205 struct gbm_dri_bo
*bo
= gbm_dri_bo(_bo
);
1207 /* Check if it's a dumb buffer and check the pointer is in range */
1209 assert(map_data
>= bo
->map
);
1210 assert(map_data
< (bo
->map
+ bo
->size
));
1214 if (!dri
->context
|| !dri
->image
||
1215 dri
->image
->base
.version
< 12 || !dri
->image
->unmapImage
)
1218 dri
->image
->unmapImage(dri
->context
, bo
->image
, map_data
);
1221 * Not all DRI drivers use direct maps. They may queue up DMA operations
1222 * on the mapping context. Since there is no explicit gbm flush
1223 * mechanism, we need to flush here.
1225 if (dri
->flush
->base
.version
>= 4)
1226 dri
->flush
->flush_with_flags(dri
->context
, NULL
, __DRI2_FLUSH_CONTEXT
, 0);
1230 static struct gbm_surface
*
1231 gbm_dri_surface_create(struct gbm_device
*gbm
,
1232 uint32_t width
, uint32_t height
,
1233 uint32_t format
, uint32_t flags
,
1234 const uint64_t *modifiers
, const unsigned count
)
1236 struct gbm_dri_device
*dri
= gbm_dri_device(gbm
);
1237 struct gbm_dri_surface
*surf
;
1240 (!dri
->image
|| dri
->image
->base
.version
< 14 ||
1241 !dri
->image
->createImageWithModifiers
)) {
1249 /* It's acceptable to create an image with INVALID modifier in the list,
1250 * but it cannot be on the only modifier (since it will certainly fail
1251 * later). While we could easily catch this after modifier creation, doing
1252 * the check here is a convenient debug check likely pointing at whatever
1253 * interface the client is using to build its modifier list.
1255 if (count
== 1 && modifiers
[0] == DRM_FORMAT_MOD_INVALID
) {
1256 fprintf(stderr
, "Only invalid modifier specified\n");
1260 surf
= calloc(1, sizeof *surf
);
1266 surf
->base
.gbm
= gbm
;
1267 surf
->base
.width
= width
;
1268 surf
->base
.height
= height
;
1269 surf
->base
.format
= gbm_format_canonicalize(format
);
1270 surf
->base
.flags
= flags
;
1276 surf
->base
.modifiers
= calloc(count
, sizeof(*modifiers
));
1277 if (count
&& !surf
->base
.modifiers
) {
1283 /* TODO: We are deferring validation of modifiers until the image is actually
1284 * created. This deferred creation can fail due to a modifier-format
1285 * mismatch. The result is the client has a surface but no object to back it.
1287 surf
->base
.count
= count
;
1288 memcpy(surf
->base
.modifiers
, modifiers
, count
* sizeof(*modifiers
));
1294 gbm_dri_surface_destroy(struct gbm_surface
*_surf
)
1296 struct gbm_dri_surface
*surf
= gbm_dri_surface(_surf
);
1298 free(surf
->base
.modifiers
);
1303 dri_destroy(struct gbm_device
*gbm
)
1305 struct gbm_dri_device
*dri
= gbm_dri_device(gbm
);
1309 dri
->core
->destroyContext(dri
->context
);
1311 dri
->core
->destroyScreen(dri
->screen
);
1312 for (i
= 0; dri
->driver_configs
[i
]; i
++)
1313 free((__DRIconfig
*) dri
->driver_configs
[i
]);
1314 free(dri
->driver_configs
);
1315 dlclose(dri
->driver
);
1316 free(dri
->driver_name
);
1321 static struct gbm_device
*
1322 dri_device_create(int fd
)
1324 struct gbm_dri_device
*dri
;
1328 dri
= calloc(1, sizeof *dri
);
1333 dri
->base
.bo_create
= gbm_dri_bo_create
;
1334 dri
->base
.bo_import
= gbm_dri_bo_import
;
1335 dri
->base
.bo_map
= gbm_dri_bo_map
;
1336 dri
->base
.bo_unmap
= gbm_dri_bo_unmap
;
1337 dri
->base
.is_format_supported
= gbm_dri_is_format_supported
;
1338 dri
->base
.get_format_modifier_plane_count
=
1339 gbm_dri_get_format_modifier_plane_count
;
1340 dri
->base
.bo_write
= gbm_dri_bo_write
;
1341 dri
->base
.bo_get_fd
= gbm_dri_bo_get_fd
;
1342 dri
->base
.bo_get_planes
= gbm_dri_bo_get_planes
;
1343 dri
->base
.bo_get_handle
= gbm_dri_bo_get_handle_for_plane
;
1344 dri
->base
.bo_get_stride
= gbm_dri_bo_get_stride
;
1345 dri
->base
.bo_get_offset
= gbm_dri_bo_get_offset
;
1346 dri
->base
.bo_get_modifier
= gbm_dri_bo_get_modifier
;
1347 dri
->base
.bo_destroy
= gbm_dri_bo_destroy
;
1348 dri
->base
.destroy
= dri_destroy
;
1349 dri
->base
.surface_create
= gbm_dri_surface_create
;
1350 dri
->base
.surface_destroy
= gbm_dri_surface_destroy
;
1352 dri
->base
.name
= "drm";
1354 dri
->visual_table
= gbm_dri_visuals_table
;
1355 dri
->num_visuals
= ARRAY_SIZE(gbm_dri_visuals_table
);
1357 mtx_init(&dri
->mutex
, mtx_plain
);
1359 force_sw
= env_var_as_boolean("GBM_ALWAYS_SOFTWARE", false);
1361 ret
= dri_screen_create(dri
);
1363 ret
= dri_screen_create_sw(dri
);
1365 ret
= dri_screen_create_sw(dri
);
1379 struct gbm_backend gbm_dri_backend
= {
1380 .backend_name
= "dri",
1381 .create_device
= dri_device_create
,