2 * Mesa 3-D graphics library
5 * Copyright (C) 2010 Chia-I Wu <olv@0xlab.org>
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included
15 * in all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
21 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
28 #include "pipe/p_screen.h"
29 #include "pipe/p_context.h"
30 #include "util/u_debug.h"
31 #include "util/u_memory.h"
32 #include "util/u_inlines.h"
35 #include "native_kms.h"
38 kms_surface_validate(struct native_surface
*nsurf
, uint attachment_mask
,
39 unsigned int *seq_num
, struct pipe_texture
**textures
,
40 int *width
, int *height
)
42 struct kms_surface
*ksurf
= kms_surface(nsurf
);
43 struct kms_display
*kdpy
= ksurf
->kdpy
;
44 struct pipe_screen
*screen
= kdpy
->base
.screen
;
45 struct pipe_texture templ
, *ptex
;
48 if (attachment_mask
) {
49 memset(&templ
, 0, sizeof(templ
));
50 templ
.target
= PIPE_TEXTURE_2D
;
52 templ
.width0
= ksurf
->width
;
53 templ
.height0
= ksurf
->height
;
55 templ
.format
= ksurf
->color_format
;
56 templ
.tex_usage
= PIPE_TEXTURE_USAGE_RENDER_TARGET
;
57 if (ksurf
->type
== KMS_SURFACE_TYPE_SCANOUT
)
58 templ
.tex_usage
|= PIPE_TEXTURE_SCANOUT
;
62 for (att
= 0; att
< NUM_NATIVE_ATTACHMENTS
; att
++) {
63 /* delay the allocation */
64 if (!native_attachment_mask_test(attachment_mask
, att
))
67 ptex
= ksurf
->textures
[att
];
69 ptex
= screen
->texture_create(screen
, &templ
);
70 ksurf
->textures
[att
] = ptex
;
75 pipe_texture_reference(&textures
[att
], ptex
);
80 *seq_num
= ksurf
->sequence_number
;
82 *width
= ksurf
->width
;
84 *height
= ksurf
->height
;
90 * Add textures as DRM framebuffers.
93 kms_surface_init_framebuffers(struct native_surface
*nsurf
, boolean need_back
)
95 struct kms_surface
*ksurf
= kms_surface(nsurf
);
96 struct kms_display
*kdpy
= ksurf
->kdpy
;
97 int num_framebuffers
= (need_back
) ? 2 : 1;
100 for (i
= 0; i
< num_framebuffers
; i
++) {
101 struct kms_framebuffer
*fb
;
102 enum native_attachment natt
;
103 unsigned int handle
, stride
;
107 fb
= &ksurf
->front_fb
;
108 natt
= NATIVE_ATTACHMENT_FRONT_LEFT
;
111 fb
= &ksurf
->back_fb
;
112 natt
= NATIVE_ATTACHMENT_BACK_LEFT
;
116 /* make sure the texture has been allocated */
117 kms_surface_validate(&ksurf
->base
, 1 << natt
, NULL
, NULL
, NULL
, NULL
);
118 if (!ksurf
->textures
[natt
])
121 pipe_texture_reference(&fb
->texture
, ksurf
->textures
[natt
]);
124 /* already initialized */
128 /* TODO detect the real value */
129 fb
->is_passive
= TRUE
;
131 if (!kdpy
->api
->local_handle_from_texture(kdpy
->api
,
132 kdpy
->base
.screen
, fb
->texture
, &stride
, &handle
))
135 block_bits
= util_format_get_blocksizebits(ksurf
->color_format
);
136 err
= drmModeAddFB(kdpy
->fd
, ksurf
->width
, ksurf
->height
,
137 block_bits
, block_bits
, stride
, handle
, &fb
->buffer_id
);
148 kms_surface_flush_frontbuffer(struct native_surface
*nsurf
)
150 #ifdef DRM_MODE_FEATURE_DIRTYFB
151 struct kms_surface
*ksurf
= kms_surface(nsurf
);
152 struct kms_display
*kdpy
= ksurf
->kdpy
;
154 /* pbuffer is private */
155 if (ksurf
->type
== KMS_SURFACE_TYPE_PBUFFER
)
158 if (ksurf
->front_fb
.is_passive
)
159 drmModeDirtyFB(kdpy
->fd
, ksurf
->front_fb
.buffer_id
, NULL
, 0);
166 kms_surface_swap_buffers(struct native_surface
*nsurf
)
168 struct kms_surface
*ksurf
= kms_surface(nsurf
);
169 struct kms_crtc
*kcrtc
= &ksurf
->current_crtc
;
170 struct kms_display
*kdpy
= ksurf
->kdpy
;
171 struct kms_framebuffer tmp_fb
;
172 struct pipe_texture
*tmp_texture
;
175 /* pbuffer is private */
176 if (ksurf
->type
== KMS_SURFACE_TYPE_PBUFFER
)
179 if (!ksurf
->back_fb
.buffer_id
) {
180 if (!kms_surface_init_framebuffers(&ksurf
->base
, TRUE
))
184 if (ksurf
->is_shown
&& kcrtc
->crtc
) {
185 err
= drmModeSetCrtc(kdpy
->fd
, kcrtc
->crtc
->crtc_id
,
186 ksurf
->back_fb
.buffer_id
, kcrtc
->crtc
->x
, kcrtc
->crtc
->y
,
187 kcrtc
->connectors
, kcrtc
->num_connectors
, &kcrtc
->crtc
->mode
);
192 /* swap the buffers */
193 tmp_fb
= ksurf
->front_fb
;
194 ksurf
->front_fb
= ksurf
->back_fb
;
195 ksurf
->back_fb
= tmp_fb
;
197 tmp_texture
= ksurf
->textures
[NATIVE_ATTACHMENT_FRONT_LEFT
];
198 ksurf
->textures
[NATIVE_ATTACHMENT_FRONT_LEFT
] =
199 ksurf
->textures
[NATIVE_ATTACHMENT_BACK_LEFT
];
200 ksurf
->textures
[NATIVE_ATTACHMENT_BACK_LEFT
] = tmp_texture
;
202 /* the front/back textures are swapped */
203 ksurf
->sequence_number
++;
204 kdpy
->event_handler
->invalid_surface(&kdpy
->base
,
205 &ksurf
->base
, ksurf
->sequence_number
);
211 kms_surface_wait(struct native_surface
*nsurf
)
217 kms_surface_destroy(struct native_surface
*nsurf
)
219 struct kms_surface
*ksurf
= kms_surface(nsurf
);
222 if (ksurf
->current_crtc
.crtc
)
223 drmModeFreeCrtc(ksurf
->current_crtc
.crtc
);
225 if (ksurf
->front_fb
.buffer_id
)
226 drmModeRmFB(ksurf
->kdpy
->fd
, ksurf
->front_fb
.buffer_id
);
227 pipe_texture_reference(&ksurf
->front_fb
.texture
, NULL
);
229 if (ksurf
->back_fb
.buffer_id
)
230 drmModeRmFB(ksurf
->kdpy
->fd
, ksurf
->back_fb
.buffer_id
);
231 pipe_texture_reference(&ksurf
->back_fb
.texture
, NULL
);
233 for (i
= 0; i
< NUM_NATIVE_ATTACHMENTS
; i
++) {
234 struct pipe_texture
*ptex
= ksurf
->textures
[i
];
235 pipe_texture_reference(&ptex
, NULL
);
241 static struct kms_surface
*
242 kms_display_create_surface(struct native_display
*ndpy
,
243 enum kms_surface_type type
,
244 const struct native_config
*nconf
,
245 uint width
, uint height
)
247 struct kms_display
*kdpy
= kms_display(ndpy
);
248 struct kms_config
*kconf
= kms_config(nconf
);
249 struct kms_surface
*ksurf
;
251 ksurf
= CALLOC_STRUCT(kms_surface
);
257 ksurf
->color_format
= kconf
->base
.color_format
;
258 ksurf
->width
= width
;
259 ksurf
->height
= height
;
261 ksurf
->base
.destroy
= kms_surface_destroy
;
262 ksurf
->base
.swap_buffers
= kms_surface_swap_buffers
;
263 ksurf
->base
.flush_frontbuffer
= kms_surface_flush_frontbuffer
;
264 ksurf
->base
.validate
= kms_surface_validate
;
265 ksurf
->base
.wait
= kms_surface_wait
;
271 * Choose a CRTC that supports all given connectors.
274 kms_display_choose_crtc(struct native_display
*ndpy
,
275 uint32_t *connectors
, int num_connectors
)
277 struct kms_display
*kdpy
= kms_display(ndpy
);
280 for (idx
= 0; idx
< kdpy
->resources
->count_crtcs
; idx
++) {
281 boolean found_crtc
= TRUE
;
284 for (i
= 0; i
< num_connectors
; i
++) {
285 drmModeConnectorPtr connector
;
286 int encoder_idx
= -1;
288 connector
= drmModeGetConnector(kdpy
->fd
, connectors
[i
]);
294 /* find an encoder the CRTC supports */
295 for (j
= 0; j
< connector
->count_encoders
; j
++) {
296 drmModeEncoderPtr encoder
=
297 drmModeGetEncoder(kdpy
->fd
, connector
->encoders
[j
]);
298 if (encoder
->possible_crtcs
& (1 << idx
)) {
302 drmModeFreeEncoder(encoder
);
305 drmModeFreeConnector(connector
);
306 if (encoder_idx
< 0) {
316 if (idx
>= kdpy
->resources
->count_crtcs
) {
317 _eglLog(_EGL_WARNING
,
318 "failed to find a CRTC that supports the given %d connectors",
323 return kdpy
->resources
->crtcs
[idx
];
327 * Remember the original CRTC status and set the CRTC
330 kms_display_set_crtc(struct native_display
*ndpy
, int crtc_idx
,
331 uint32_t buffer_id
, uint32_t x
, uint32_t y
,
332 uint32_t *connectors
, int num_connectors
,
333 drmModeModeInfoPtr mode
)
335 struct kms_display
*kdpy
= kms_display(ndpy
);
336 struct kms_crtc
*kcrtc
= &kdpy
->saved_crtcs
[crtc_idx
];
341 crtc_id
= kcrtc
->crtc
->crtc_id
;
347 * Choose the CRTC once. It could be more dynamic, but let's keep it
350 crtc_id
= kms_display_choose_crtc(&kdpy
->base
,
351 connectors
, num_connectors
);
353 /* save the original CRTC status */
354 kcrtc
->crtc
= drmModeGetCrtc(kdpy
->fd
, crtc_id
);
358 for (i
= 0; i
< kdpy
->num_connectors
; i
++) {
359 struct kms_connector
*kconn
= &kdpy
->connectors
[i
];
360 drmModeConnectorPtr connector
= kconn
->connector
;
361 drmModeEncoderPtr encoder
;
363 encoder
= drmModeGetEncoder(kdpy
->fd
, connector
->encoder_id
);
365 if (encoder
->crtc_id
== crtc_id
) {
366 kcrtc
->connectors
[count
++] = connector
->connector_id
;
367 if (count
>= Elements(kcrtc
->connectors
))
370 drmModeFreeEncoder(encoder
);
374 kcrtc
->num_connectors
= count
;
377 err
= drmModeSetCrtc(kdpy
->fd
, crtc_id
, buffer_id
, x
, y
,
378 connectors
, num_connectors
, mode
);
380 drmModeFreeCrtc(kcrtc
->crtc
);
382 kcrtc
->num_connectors
= 0;
391 kms_display_program(struct native_display
*ndpy
, int crtc_idx
,
392 struct native_surface
*nsurf
, uint x
, uint y
,
393 const struct native_connector
**nconns
, int num_nconns
,
394 const struct native_mode
*nmode
)
396 struct kms_display
*kdpy
= kms_display(ndpy
);
397 struct kms_surface
*ksurf
= kms_surface(nsurf
);
398 const struct kms_mode
*kmode
= kms_mode(nmode
);
399 uint32_t connector_ids
[32];
401 drmModeModeInfo mode_tmp
, *mode
;
404 if (num_nconns
> Elements(connector_ids
)) {
405 _eglLog(_EGL_WARNING
, "too many connectors (%d)", num_nconns
);
406 num_nconns
= Elements(connector_ids
);
410 if (!kms_surface_init_framebuffers(&ksurf
->base
, FALSE
))
413 buffer_id
= ksurf
->front_fb
.buffer_id
;
414 /* the mode argument of drmModeSetCrtc is not constified */
415 mode_tmp
= kmode
->mode
;
419 /* disable the CRTC */
425 for (i
= 0; i
< num_nconns
; i
++) {
426 struct kms_connector
*kconn
= kms_connector(nconns
[i
]);
427 connector_ids
[i
] = kconn
->connector
->connector_id
;
430 if (!kms_display_set_crtc(&kdpy
->base
, crtc_idx
, buffer_id
, x
, y
,
431 connector_ids
, num_nconns
, mode
)) {
432 _eglLog(_EGL_WARNING
, "failed to set CRTC %d", crtc_idx
);
437 if (kdpy
->shown_surfaces
[crtc_idx
])
438 kdpy
->shown_surfaces
[crtc_idx
]->is_shown
= FALSE
;
439 kdpy
->shown_surfaces
[crtc_idx
] = ksurf
;
441 /* remember the settings for buffer swapping */
443 uint32_t crtc_id
= kdpy
->saved_crtcs
[crtc_idx
].crtc
->crtc_id
;
444 struct kms_crtc
*kcrtc
= &ksurf
->current_crtc
;
447 drmModeFreeCrtc(kcrtc
->crtc
);
448 kcrtc
->crtc
= drmModeGetCrtc(kdpy
->fd
, crtc_id
);
450 assert(num_nconns
< Elements(kcrtc
->connectors
));
451 memcpy(kcrtc
->connectors
, connector_ids
,
452 sizeof(*connector_ids
) * num_nconns
);
453 kcrtc
->num_connectors
= num_nconns
;
455 ksurf
->is_shown
= TRUE
;
461 static const struct native_mode
**
462 kms_display_get_modes(struct native_display
*ndpy
,
463 const struct native_connector
*nconn
,
466 struct kms_display
*kdpy
= kms_display(ndpy
);
467 struct kms_connector
*kconn
= kms_connector(nconn
);
468 const struct native_mode
**nmodes_return
;
471 /* delete old data */
472 if (kconn
->connector
) {
473 drmModeFreeConnector(kconn
->connector
);
474 free(kconn
->kms_modes
);
476 kconn
->connector
= NULL
;
477 kconn
->kms_modes
= NULL
;
478 kconn
->num_modes
= 0;
482 kconn
->connector
= drmModeGetConnector(kdpy
->fd
, kconn
->connector_id
);
483 if (!kconn
->connector
)
486 count
= kconn
->connector
->count_modes
;
487 kconn
->kms_modes
= calloc(count
, sizeof(*kconn
->kms_modes
));
488 if (!kconn
->kms_modes
) {
489 drmModeFreeConnector(kconn
->connector
);
490 kconn
->connector
= NULL
;
495 for (i
= 0; i
< count
; i
++) {
496 struct kms_mode
*kmode
= &kconn
->kms_modes
[i
];
497 drmModeModeInfoPtr mode
= &kconn
->connector
->modes
[i
];
501 kmode
->base
.desc
= kmode
->mode
.name
;
502 kmode
->base
.width
= kmode
->mode
.hdisplay
;
503 kmode
->base
.height
= kmode
->mode
.vdisplay
;
504 kmode
->base
.refresh_rate
= kmode
->mode
.vrefresh
;
505 /* not all kernels have vrefresh = refresh_rate * 1000 */
506 if (kmode
->base
.refresh_rate
> 1000)
507 kmode
->base
.refresh_rate
= (kmode
->base
.refresh_rate
+ 500) / 1000;
510 nmodes_return
= malloc(count
* sizeof(*nmodes_return
));
512 for (i
= 0; i
< count
; i
++)
513 nmodes_return
[i
] = &kconn
->kms_modes
[i
].base
;
518 return nmodes_return
;
521 static const struct native_connector
**
522 kms_display_get_connectors(struct native_display
*ndpy
, int *num_connectors
,
525 struct kms_display
*kdpy
= kms_display(ndpy
);
526 const struct native_connector
**connectors
;
529 if (!kdpy
->connectors
) {
531 calloc(kdpy
->resources
->count_connectors
, sizeof(*kdpy
->connectors
));
532 if (!kdpy
->connectors
)
535 for (i
= 0; i
< kdpy
->resources
->count_connectors
; i
++) {
536 struct kms_connector
*kconn
= &kdpy
->connectors
[i
];
538 kconn
->connector_id
= kdpy
->resources
->connectors
[i
];
539 /* kconn->connector is allocated when the modes are asked */
542 kdpy
->num_connectors
= kdpy
->resources
->count_connectors
;
545 connectors
= malloc(kdpy
->num_connectors
* sizeof(*connectors
));
547 for (i
= 0; i
< kdpy
->num_connectors
; i
++)
548 connectors
[i
] = &kdpy
->connectors
[i
].base
;
550 *num_connectors
= kdpy
->num_connectors
;
554 *num_crtc
= kdpy
->resources
->count_crtcs
;
559 static struct native_surface
*
560 kms_display_create_scanout_surface(struct native_display
*ndpy
,
561 const struct native_config
*nconf
,
562 uint width
, uint height
)
564 struct kms_surface
*ksurf
;
566 ksurf
= kms_display_create_surface(ndpy
,
567 KMS_SURFACE_TYPE_SCANOUT
, nconf
, width
, height
);
571 static struct native_surface
*
572 kms_display_create_pbuffer_surface(struct native_display
*ndpy
,
573 const struct native_config
*nconf
,
574 uint width
, uint height
)
576 struct kms_surface
*ksurf
;
578 ksurf
= kms_display_create_surface(ndpy
,
579 KMS_SURFACE_TYPE_PBUFFER
, nconf
, width
, height
);
585 kms_display_is_format_supported(struct native_display
*ndpy
,
586 enum pipe_format fmt
, boolean is_color
)
588 return ndpy
->screen
->is_format_supported(ndpy
->screen
,
589 fmt
, PIPE_TEXTURE_2D
,
590 (is_color
) ? PIPE_TEXTURE_USAGE_RENDER_TARGET
:
591 PIPE_TEXTURE_USAGE_DEPTH_STENCIL
, 0);
594 static const struct native_config
**
595 kms_display_get_configs(struct native_display
*ndpy
, int *num_configs
)
597 struct kms_display
*kdpy
= kms_display(ndpy
);
598 const struct native_config
**configs
;
602 struct native_config
*nconf
;
603 enum pipe_format format
;
605 kdpy
->config
= calloc(1, sizeof(*kdpy
->config
));
609 nconf
= &kdpy
->config
->base
;
611 /* always double-buffered */
612 nconf
->mode
.doubleBufferMode
= TRUE
;
614 format
= PIPE_FORMAT_B8G8R8A8_UNORM
;
615 if (!kms_display_is_format_supported(&kdpy
->base
, format
, TRUE
)) {
616 format
= PIPE_FORMAT_A8R8G8B8_UNORM
;
617 if (!kms_display_is_format_supported(&kdpy
->base
, format
, TRUE
))
618 format
= PIPE_FORMAT_NONE
;
620 if (format
== PIPE_FORMAT_NONE
)
623 nconf
->color_format
= format
;
624 nconf
->mode
.redBits
= 8;
625 nconf
->mode
.greenBits
= 8;
626 nconf
->mode
.blueBits
= 8;
627 nconf
->mode
.alphaBits
= 8;
628 nconf
->mode
.rgbBits
= 32;
630 format
= PIPE_FORMAT_Z24S8_UNORM
;
631 if (!kms_display_is_format_supported(&kdpy
->base
, format
, FALSE
)) {
632 format
= PIPE_FORMAT_S8Z24_UNORM
;
633 if (!kms_display_is_format_supported(&kdpy
->base
, format
, FALSE
))
634 format
= PIPE_FORMAT_NONE
;
636 if (format
!= PIPE_FORMAT_NONE
) {
637 nconf
->depth_format
= format
;
638 nconf
->stencil_format
= format
;
640 nconf
->mode
.depthBits
= 24;
641 nconf
->mode
.stencilBits
= 8;
642 nconf
->mode
.haveDepthBuffer
= TRUE
;
643 nconf
->mode
.haveStencilBuffer
= TRUE
;
646 nconf
->scanout_bit
= TRUE
;
647 nconf
->mode
.drawableType
= GLX_PBUFFER_BIT
;
648 nconf
->mode
.swapMethod
= GLX_SWAP_EXCHANGE_OML
;
650 nconf
->mode
.visualID
= 0;
651 nconf
->mode
.visualType
= EGL_NONE
;
653 nconf
->mode
.renderType
= GLX_RGBA_BIT
;
654 nconf
->mode
.rgbMode
= TRUE
;
655 nconf
->mode
.xRenderable
= FALSE
;
658 configs
= malloc(sizeof(*configs
));
660 configs
[0] = &kdpy
->config
->base
;
669 kms_display_get_param(struct native_display
*ndpy
,
670 enum native_param_type param
)
684 kms_display_destroy(struct native_display
*ndpy
)
686 struct kms_display
*kdpy
= kms_display(ndpy
);
692 if (kdpy
->connectors
) {
693 for (i
= 0; i
< kdpy
->num_connectors
; i
++) {
694 struct kms_connector
*kconn
= &kdpy
->connectors
[i
];
695 if (kconn
->connector
) {
696 drmModeFreeConnector(kconn
->connector
);
697 free(kconn
->kms_modes
);
700 free(kdpy
->connectors
);
703 if (kdpy
->shown_surfaces
)
704 free(kdpy
->shown_surfaces
);
706 if (kdpy
->saved_crtcs
) {
707 for (i
= 0; i
< kdpy
->resources
->count_crtcs
; i
++) {
708 struct kms_crtc
*kcrtc
= &kdpy
->saved_crtcs
[i
];
712 drmModeSetCrtc(kdpy
->fd
, kcrtc
->crtc
->crtc_id
,
713 kcrtc
->crtc
->buffer_id
, kcrtc
->crtc
->x
, kcrtc
->crtc
->y
,
714 kcrtc
->connectors
, kcrtc
->num_connectors
,
717 drmModeFreeCrtc(kcrtc
->crtc
);
720 free(kdpy
->saved_crtcs
);
724 drmModeFreeResources(kdpy
->resources
);
726 if (kdpy
->base
.screen
)
727 kdpy
->base
.screen
->destroy(kdpy
->base
.screen
);
733 kdpy
->api
->destroy(kdpy
->api
);
738 * Initialize KMS and pipe screen.
741 kms_display_init_screen(struct native_display
*ndpy
)
743 struct kms_display
*kdpy
= kms_display(ndpy
);
744 struct drm_create_screen_arg arg
;
747 fd
= drmOpen(kdpy
->api
->name
, NULL
);
749 _eglLog(_EGL_WARNING
, "failed to open DRM device");
754 if (drmSetMaster(fd
)) {
755 _eglLog(_EGL_WARNING
, "failed to become DRM master");
760 memset(&arg
, 0, sizeof(arg
));
761 arg
.mode
= DRM_CREATE_NORMAL
;
762 kdpy
->base
.screen
= kdpy
->api
->create_screen(kdpy
->api
, fd
, &arg
);
763 if (!kdpy
->base
.screen
) {
764 _eglLog(_EGL_WARNING
, "failed to create DRM screen");
774 static struct native_display_modeset kms_display_modeset
= {
775 .get_connectors
= kms_display_get_connectors
,
776 .get_modes
= kms_display_get_modes
,
777 .create_scanout_surface
= kms_display_create_scanout_surface
,
778 .program
= kms_display_program
781 static struct native_display
*
782 kms_create_display(EGLNativeDisplayType dpy
,
783 struct native_event_handler
*event_handler
,
786 struct kms_display
*kdpy
;
788 kdpy
= CALLOC_STRUCT(kms_display
);
792 kdpy
->event_handler
= event_handler
;
796 _eglLog(_EGL_WARNING
, "failed to create DRM API");
802 if (!kms_display_init_screen(&kdpy
->base
)) {
803 kms_display_destroy(&kdpy
->base
);
807 /* resources are fixed, unlike crtc, connector, or encoder */
808 kdpy
->resources
= drmModeGetResources(kdpy
->fd
);
809 if (!kdpy
->resources
) {
810 kms_display_destroy(&kdpy
->base
);
815 calloc(kdpy
->resources
->count_crtcs
, sizeof(*kdpy
->saved_crtcs
));
816 if (!kdpy
->saved_crtcs
) {
817 kms_display_destroy(&kdpy
->base
);
821 kdpy
->shown_surfaces
=
822 calloc(kdpy
->resources
->count_crtcs
, sizeof(*kdpy
->shown_surfaces
));
823 if (!kdpy
->shown_surfaces
) {
824 kms_display_destroy(&kdpy
->base
);
828 kdpy
->base
.destroy
= kms_display_destroy
;
829 kdpy
->base
.get_param
= kms_display_get_param
;
830 kdpy
->base
.get_configs
= kms_display_get_configs
;
831 kdpy
->base
.create_pbuffer_surface
= kms_display_create_pbuffer_surface
;
833 kdpy
->base
.modeset
= &kms_display_modeset
;
838 struct native_probe
*
839 native_create_probe(EGLNativeDisplayType dpy
)
844 enum native_probe_result
845 native_get_probe_result(struct native_probe
*nprobe
)
847 return NATIVE_PROBE_UNKNOWN
;
850 /* the api is destroyed with the native display */
851 static struct drm_api
*drm_api
;
854 native_get_name(void)
856 static char kms_name
[32];
859 drm_api
= drm_api_create();
862 snprintf(kms_name
, sizeof(kms_name
), "KMS/%s", drm_api
->name
);
864 snprintf(kms_name
, sizeof(kms_name
), "KMS");
869 struct native_display
*
870 native_create_display(EGLNativeDisplayType dpy
,
871 struct native_event_handler
*event_handler
)
873 struct native_display
*ndpy
= NULL
;
876 drm_api
= drm_api_create();
879 ndpy
= kms_create_display(dpy
, event_handler
, drm_api
);