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 * Kristian Høgsberg <krh@bitplanet.net>
33 #include <sys/types.h>
39 #include "egl_dri2_fallbacks.h"
42 static struct gbm_bo
*
43 lock_front_buffer(struct gbm_surface
*_surf
)
45 struct gbm_dri_surface
*surf
= (struct gbm_dri_surface
*) _surf
;
46 struct dri2_egl_surface
*dri2_surf
= surf
->dri_private
;
49 if (dri2_surf
->current
== NULL
) {
50 _eglError(EGL_BAD_SURFACE
, "no front buffer");
54 bo
= dri2_surf
->current
->bo
;
55 dri2_surf
->current
->locked
= 1;
56 dri2_surf
->current
= NULL
;
62 release_buffer(struct gbm_surface
*_surf
, struct gbm_bo
*bo
)
64 struct gbm_dri_surface
*surf
= (struct gbm_dri_surface
*) _surf
;
65 struct dri2_egl_surface
*dri2_surf
= surf
->dri_private
;
68 for (i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++) {
69 if (dri2_surf
->color_buffers
[i
].bo
== bo
) {
70 dri2_surf
->color_buffers
[i
].locked
= 0;
76 has_free_buffers(struct gbm_surface
*_surf
)
78 struct gbm_dri_surface
*surf
= (struct gbm_dri_surface
*) _surf
;
79 struct dri2_egl_surface
*dri2_surf
= surf
->dri_private
;
82 for (i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++)
83 if (!dri2_surf
->color_buffers
[i
].locked
)
90 dri2_drm_create_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
, EGLint type
,
91 _EGLConfig
*conf
, EGLNativeWindowType window
,
92 const EGLint
*attrib_list
)
94 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
95 struct dri2_egl_config
*dri2_conf
= dri2_egl_config(conf
);
96 struct dri2_egl_surface
*dri2_surf
;
97 struct gbm_dri_surface
*surf
;
101 dri2_surf
= calloc(1, sizeof *dri2_surf
);
103 _eglError(EGL_BAD_ALLOC
, "dri2_create_surface");
107 if (!_eglInitSurface(&dri2_surf
->base
, disp
, type
, conf
, attrib_list
))
114 surf
= gbm_dri_surface((struct gbm_surface
*) window
);
115 dri2_surf
->gbm_surf
= surf
;
116 dri2_surf
->base
.Width
= surf
->base
.width
;
117 dri2_surf
->base
.Height
= surf
->base
.height
;
118 surf
->dri_private
= dri2_surf
;
124 dri2_surf
->dri_drawable
=
125 (*dri2_dpy
->dri2
->createNewDrawable
) (dri2_dpy
->dri_screen
,
126 dri2_conf
->dri_double_config
,
127 dri2_surf
->gbm_surf
);
129 if (dri2_surf
->dri_drawable
== NULL
) {
130 _eglError(EGL_BAD_ALLOC
, "dri2->createNewDrawable");
134 return &dri2_surf
->base
;
143 dri2_drm_create_window_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
144 _EGLConfig
*conf
, EGLNativeWindowType window
,
145 const EGLint
*attrib_list
)
147 return dri2_drm_create_surface(drv
, disp
, EGL_WINDOW_BIT
, conf
,
148 window
, attrib_list
);
152 dri2_drm_destroy_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
)
154 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
155 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
158 if (!_eglPutSurface(surf
))
161 (*dri2_dpy
->core
->destroyDrawable
)(dri2_surf
->dri_drawable
);
163 for (i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++) {
164 if (dri2_surf
->color_buffers
[i
].bo
)
165 gbm_bo_destroy(dri2_surf
->color_buffers
[i
].bo
);
168 for (i
= 0; i
< __DRI_BUFFER_COUNT
; i
++) {
169 if (dri2_surf
->dri_buffers
[i
])
170 dri2_dpy
->dri2
->releaseBuffer(dri2_dpy
->dri_screen
,
171 dri2_surf
->dri_buffers
[i
]);
180 get_back_bo(struct dri2_egl_surface
*dri2_surf
)
182 struct dri2_egl_display
*dri2_dpy
=
183 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
184 struct gbm_dri_surface
*surf
= dri2_surf
->gbm_surf
;
187 if (dri2_surf
->back
== NULL
) {
188 for (i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++) {
189 if (!dri2_surf
->color_buffers
[i
].locked
) {
190 dri2_surf
->back
= &dri2_surf
->color_buffers
[i
];
196 if (dri2_surf
->back
== NULL
)
198 if (dri2_surf
->back
->bo
== NULL
)
199 dri2_surf
->back
->bo
= gbm_bo_create(&dri2_dpy
->gbm_dri
->base
.base
,
200 surf
->base
.width
, surf
->base
.height
,
201 surf
->base
.format
, surf
->base
.flags
);
202 if (dri2_surf
->back
->bo
== NULL
)
209 back_bo_to_dri_buffer(struct dri2_egl_surface
*dri2_surf
, __DRIbuffer
*buffer
)
211 struct dri2_egl_display
*dri2_dpy
=
212 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
213 struct gbm_dri_bo
*bo
;
216 bo
= (struct gbm_dri_bo
*) dri2_surf
->back
->bo
;
218 dri2_dpy
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_NAME
, &name
);
219 dri2_dpy
->image
->queryImage(bo
->image
, __DRI_IMAGE_ATTRIB_STRIDE
, &pitch
);
221 buffer
->attachment
= __DRI_BUFFER_BACK_LEFT
;
223 buffer
->pitch
= pitch
;
229 get_aux_bo(struct dri2_egl_surface
*dri2_surf
,
230 unsigned int attachment
, unsigned int format
, __DRIbuffer
*buffer
)
232 struct dri2_egl_display
*dri2_dpy
=
233 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
234 __DRIbuffer
*b
= dri2_surf
->dri_buffers
[attachment
];
237 b
= dri2_dpy
->dri2
->allocateBuffer(dri2_dpy
->dri_screen
,
239 dri2_surf
->base
.Width
,
240 dri2_surf
->base
.Height
);
241 dri2_surf
->dri_buffers
[attachment
] = b
;
246 memcpy(buffer
, b
, sizeof *buffer
);
252 dri2_drm_get_buffers_with_format(__DRIdrawable
*driDrawable
,
253 int *width
, int *height
,
254 unsigned int *attachments
, int count
,
255 int *out_count
, void *loaderPrivate
)
257 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
260 dri2_surf
->buffer_count
= 0;
261 for (i
= 0, j
= 0; i
< 2 * count
; i
+= 2, j
++) {
262 assert(attachments
[i
] < __DRI_BUFFER_COUNT
);
263 assert(dri2_surf
->buffer_count
< 5);
265 switch (attachments
[i
]) {
266 case __DRI_BUFFER_BACK_LEFT
:
267 if (get_back_bo(dri2_surf
) < 0) {
268 _eglError(EGL_BAD_ALLOC
, "failed to allocate color buffer");
271 back_bo_to_dri_buffer(dri2_surf
, &dri2_surf
->buffers
[j
]);
274 if (get_aux_bo(dri2_surf
, attachments
[i
], attachments
[i
+ 1],
275 &dri2_surf
->buffers
[j
]) < 0) {
276 _eglError(EGL_BAD_ALLOC
, "failed to allocate aux buffer");
287 *width
= dri2_surf
->base
.Width
;
288 *height
= dri2_surf
->base
.Height
;
290 return dri2_surf
->buffers
;
294 dri2_drm_get_buffers(__DRIdrawable
* driDrawable
,
295 int *width
, int *height
,
296 unsigned int *attachments
, int count
,
297 int *out_count
, void *loaderPrivate
)
299 unsigned int *attachments_with_format
;
301 const unsigned int format
= 32;
304 attachments_with_format
= calloc(count
* 2, sizeof(unsigned int));
305 if (!attachments_with_format
) {
310 for (i
= 0; i
< count
; ++i
) {
311 attachments_with_format
[2*i
] = attachments
[i
];
312 attachments_with_format
[2*i
+ 1] = format
;
316 dri2_drm_get_buffers_with_format(driDrawable
,
318 attachments_with_format
, count
,
319 out_count
, loaderPrivate
);
321 free(attachments_with_format
);
327 dri2_drm_image_get_buffers(__DRIdrawable
*driDrawable
,
331 uint32_t buffer_mask
,
332 struct __DRIimageList
*buffers
)
334 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
335 struct gbm_dri_bo
*bo
;
337 if (get_back_bo(dri2_surf
) < 0)
340 bo
= (struct gbm_dri_bo
*) dri2_surf
->back
->bo
;
341 buffers
->image_mask
= __DRI_IMAGE_BUFFER_BACK
;
342 buffers
->back
= bo
->image
;
348 dri2_drm_flush_front_buffer(__DRIdrawable
* driDrawable
, void *loaderPrivate
)
351 (void) loaderPrivate
;
355 dri2_drm_swap_buffers(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*draw
)
357 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
358 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(draw
);
361 if (dri2_surf
->base
.Type
== EGL_WINDOW_BIT
) {
362 if (dri2_surf
->current
)
363 _eglError(EGL_BAD_SURFACE
, "dri2_swap_buffers");
364 for (i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++)
365 if (dri2_surf
->color_buffers
[i
].age
> 0)
366 dri2_surf
->color_buffers
[i
].age
++;
367 dri2_surf
->current
= dri2_surf
->back
;
368 dri2_surf
->current
->age
= 1;
369 dri2_surf
->back
= NULL
;
372 (*dri2_dpy
->flush
->flush
)(dri2_surf
->dri_drawable
);
373 (*dri2_dpy
->flush
->invalidate
)(dri2_surf
->dri_drawable
);
379 dri2_drm_query_buffer_age(_EGLDriver
*drv
,
380 _EGLDisplay
*disp
, _EGLSurface
*surface
)
382 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surface
);
384 if (get_back_bo(dri2_surf
) < 0) {
385 _eglError(EGL_BAD_ALLOC
, "dri2_query_buffer_age");
389 return dri2_surf
->back
->age
;
393 dri2_drm_create_image_khr_pixmap(_EGLDisplay
*disp
, _EGLContext
*ctx
,
394 EGLClientBuffer buffer
, const EGLint
*attr_list
)
396 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
397 struct gbm_dri_bo
*dri_bo
= gbm_dri_bo((struct gbm_bo
*) buffer
);
398 struct dri2_egl_image
*dri2_img
;
400 dri2_img
= malloc(sizeof *dri2_img
);
402 _eglError(EGL_BAD_ALLOC
, "dri2_create_image_khr_pixmap");
406 if (!_eglInitImage(&dri2_img
->base
, disp
)) {
411 dri2_img
->dri_image
= dri2_dpy
->image
->dupImage(dri_bo
->image
, dri2_img
);
412 if (dri2_img
->dri_image
== NULL
) {
414 _eglError(EGL_BAD_ALLOC
, "dri2_create_image_khr_pixmap");
418 return &dri2_img
->base
;
422 dri2_drm_create_image_khr(_EGLDriver
*drv
, _EGLDisplay
*disp
,
423 _EGLContext
*ctx
, EGLenum target
,
424 EGLClientBuffer buffer
, const EGLint
*attr_list
)
429 case EGL_NATIVE_PIXMAP_KHR
:
430 return dri2_drm_create_image_khr_pixmap(disp
, ctx
, buffer
, attr_list
);
432 return dri2_create_image_khr(drv
, disp
, ctx
, target
, buffer
, attr_list
);
437 dri2_drm_authenticate(_EGLDisplay
*disp
, uint32_t id
)
439 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
441 return drmAuthMagic(dri2_dpy
->fd
, id
);
444 static struct dri2_egl_display_vtbl dri2_drm_display_vtbl
= {
445 .authenticate
= dri2_drm_authenticate
,
446 .create_window_surface
= dri2_drm_create_window_surface
,
447 .create_pixmap_surface
= dri2_fallback_create_pixmap_surface
,
448 .create_pbuffer_surface
= dri2_fallback_create_pbuffer_surface
,
449 .swap_interval
= dri2_fallback_swap_interval
,
450 .swap_buffers
= dri2_drm_swap_buffers
,
451 .swap_buffers_with_damage
= dri2_fallback_swap_buffers_with_damage
,
455 dri2_initialize_drm(_EGLDriver
*drv
, _EGLDisplay
*disp
)
457 struct dri2_egl_display
*dri2_dpy
;
458 struct gbm_device
*gbm
;
462 loader_set_logger(_eglLog
);
464 dri2_dpy
= calloc(1, sizeof *dri2_dpy
);
466 return _eglError(EGL_BAD_ALLOC
, "eglInitialize");
468 disp
->DriverData
= (void *) dri2_dpy
;
470 gbm
= disp
->PlatformDisplay
;
472 fd
= open("/dev/dri/card0", O_RDWR
);
473 dri2_dpy
->own_device
= 1;
474 gbm
= gbm_create_device(fd
);
479 if (strcmp(gbm_device_get_backend_name(gbm
), "drm") != 0) {
484 dri2_dpy
->gbm_dri
= gbm_dri_device(gbm
);
485 if (dri2_dpy
->gbm_dri
->base
.type
!= GBM_DRM_DRIVER_TYPE_DRI
) {
491 fd
= dup(gbm_device_get_fd(gbm
));
499 dri2_dpy
->device_name
= loader_get_device_name_for_fd(dri2_dpy
->fd
);
500 dri2_dpy
->driver_name
= dri2_dpy
->gbm_dri
->base
.driver_name
;
502 dri2_dpy
->dri_screen
= dri2_dpy
->gbm_dri
->screen
;
503 dri2_dpy
->core
= dri2_dpy
->gbm_dri
->core
;
504 dri2_dpy
->dri2
= dri2_dpy
->gbm_dri
->dri2
;
505 dri2_dpy
->image
= dri2_dpy
->gbm_dri
->image
;
506 dri2_dpy
->flush
= dri2_dpy
->gbm_dri
->flush
;
507 dri2_dpy
->driver_configs
= dri2_dpy
->gbm_dri
->driver_configs
;
509 dri2_dpy
->gbm_dri
->lookup_image
= dri2_lookup_egl_image
;
510 dri2_dpy
->gbm_dri
->lookup_user_data
= disp
;
512 dri2_dpy
->gbm_dri
->get_buffers
= dri2_drm_get_buffers
;
513 dri2_dpy
->gbm_dri
->flush_front_buffer
= dri2_drm_flush_front_buffer
;
514 dri2_dpy
->gbm_dri
->get_buffers_with_format
= dri2_drm_get_buffers_with_format
;
515 dri2_dpy
->gbm_dri
->image_get_buffers
= dri2_drm_image_get_buffers
;
517 dri2_dpy
->gbm_dri
->base
.base
.surface_lock_front_buffer
= lock_front_buffer
;
518 dri2_dpy
->gbm_dri
->base
.base
.surface_release_buffer
= release_buffer
;
519 dri2_dpy
->gbm_dri
->base
.base
.surface_has_free_buffers
= has_free_buffers
;
521 dri2_setup_screen(disp
);
523 for (i
= 0; dri2_dpy
->driver_configs
[i
]; i
++) {
524 EGLint format
, attr_list
[3];
527 dri2_dpy
->core
->getConfigAttrib(dri2_dpy
->driver_configs
[i
],
528 __DRI_ATTRIB_RED_MASK
, &mask
);
529 if (mask
== 0x3ff00000)
530 format
= GBM_FORMAT_XRGB2101010
;
531 else if (mask
== 0x00ff0000)
532 format
= GBM_FORMAT_XRGB8888
;
533 else if (mask
== 0xf800)
534 format
= GBM_FORMAT_RGB565
;
538 attr_list
[0] = EGL_NATIVE_VISUAL_ID
;
539 attr_list
[1] = format
;
540 attr_list
[2] = EGL_NONE
;
542 dri2_add_config(disp
, dri2_dpy
->driver_configs
[i
],
543 i
+ 1, EGL_WINDOW_BIT
, attr_list
, NULL
);
546 drv
->API
.DestroySurface
= dri2_drm_destroy_surface
;
547 drv
->API
.CreateImageKHR
= dri2_drm_create_image_khr
;
548 drv
->API
.QueryBufferAge
= dri2_drm_query_buffer_age
;
550 disp
->Extensions
.EXT_buffer_age
= EGL_TRUE
;
552 #ifdef HAVE_WAYLAND_PLATFORM
553 disp
->Extensions
.WL_bind_wayland_display
= EGL_TRUE
;
556 /* we're supporting EGL 1.4 */
557 disp
->VersionMajor
= 1;
558 disp
->VersionMinor
= 4;
560 /* Fill vtbl last to prevent accidentally calling virtual function during
563 dri2_dpy
->vtbl
= &dri2_drm_display_vtbl
;