2 * Mesa 3-D graphics library
4 * Copyright 2009, VMware, Inc.
6 * Copyright (C) 2010 LunarG Inc.
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
15 * The above copyright notice and this permission notice shall be included
16 * in all copies or substantial portions of the Software.
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
22 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
23 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
24 * OTHER DEALINGS IN THE SOFTWARE.
27 * Keith Whitwell <keithw@vmware.com> Jakob Bornecrantz
28 * <wallbraker@gmail.com> Chia-I Wu <olv@lunarg.com>
33 #include "util/u_memory.h"
34 #include "util/u_inlines.h"
35 #include "util/u_format.h"
36 #include "util/u_debug.h"
37 #include "state_tracker/drm_driver.h"
38 #include "state_tracker/st_texture.h"
39 #include "state_tracker/st_context.h"
40 #include "pipe-loader/pipe_loader.h"
41 #include "main/texobj.h"
43 #include "dri_screen.h"
44 #include "dri_context.h"
45 #include "dri_drawable.h"
46 #include "dri_query_renderer.h"
47 #include "dri2_buffer.h"
49 static int convert_fourcc(int format
, int *dri_components_p
)
53 case __DRI_IMAGE_FOURCC_RGB565
:
54 format
= __DRI_IMAGE_FORMAT_RGB565
;
55 dri_components
= __DRI_IMAGE_COMPONENTS_RGB
;
57 case __DRI_IMAGE_FOURCC_ARGB8888
:
58 format
= __DRI_IMAGE_FORMAT_ARGB8888
;
59 dri_components
= __DRI_IMAGE_COMPONENTS_RGBA
;
61 case __DRI_IMAGE_FOURCC_XRGB8888
:
62 format
= __DRI_IMAGE_FORMAT_XRGB8888
;
63 dri_components
= __DRI_IMAGE_COMPONENTS_RGB
;
65 case __DRI_IMAGE_FOURCC_ABGR8888
:
66 format
= __DRI_IMAGE_FORMAT_ABGR8888
;
67 dri_components
= __DRI_IMAGE_COMPONENTS_RGBA
;
69 case __DRI_IMAGE_FOURCC_XBGR8888
:
70 format
= __DRI_IMAGE_FORMAT_XBGR8888
;
71 dri_components
= __DRI_IMAGE_COMPONENTS_RGB
;
76 *dri_components_p
= dri_components
;
80 static int convert_to_fourcc(int format
)
83 case __DRI_IMAGE_FORMAT_RGB565
:
84 format
= __DRI_IMAGE_FOURCC_RGB565
;
86 case __DRI_IMAGE_FORMAT_ARGB8888
:
87 format
= __DRI_IMAGE_FOURCC_ARGB8888
;
89 case __DRI_IMAGE_FORMAT_XRGB8888
:
90 format
= __DRI_IMAGE_FOURCC_XRGB8888
;
92 case __DRI_IMAGE_FORMAT_ABGR8888
:
93 format
= __DRI_IMAGE_FOURCC_ABGR8888
;
95 case __DRI_IMAGE_FORMAT_XBGR8888
:
96 format
= __DRI_IMAGE_FOURCC_XBGR8888
;
105 * DRI2 flush extension.
108 dri2_flush_drawable(__DRIdrawable
*dPriv
)
110 dri_flush(dPriv
->driContextPriv
, dPriv
, __DRI2_FLUSH_DRAWABLE
, -1);
114 dri2_invalidate_drawable(__DRIdrawable
*dPriv
)
116 struct dri_drawable
*drawable
= dri_drawable(dPriv
);
118 dri2InvalidateDrawable(dPriv
);
119 drawable
->dPriv
->lastStamp
= drawable
->dPriv
->dri2
.stamp
;
121 p_atomic_inc(&drawable
->base
.stamp
);
124 static const __DRI2flushExtension dri2FlushExtension
= {
125 .base
= { __DRI2_FLUSH
, 4 },
127 .flush
= dri2_flush_drawable
,
128 .invalidate
= dri2_invalidate_drawable
,
129 .flush_with_flags
= dri_flush
,
133 * Retrieve __DRIbuffer from the DRI loader.
136 dri2_drawable_get_buffers(struct dri_drawable
*drawable
,
137 const enum st_attachment_type
*atts
,
140 __DRIdrawable
*dri_drawable
= drawable
->dPriv
;
141 const __DRIdri2LoaderExtension
*loader
= drawable
->sPriv
->dri2
.loader
;
143 __DRIbuffer
*buffers
;
145 unsigned attachments
[10];
146 unsigned num_attachments
, i
;
149 with_format
= dri_with_format(drawable
->sPriv
);
153 /* for Xserver 1.6.0 (DRI2 version 1) we always need to ask for the front */
155 attachments
[num_attachments
++] = __DRI_BUFFER_FRONT_LEFT
;
157 for (i
= 0; i
< *count
; i
++) {
158 enum pipe_format format
;
162 dri_drawable_get_format(drawable
, atts
[i
], &format
, &bind
);
163 if (format
== PIPE_FORMAT_NONE
)
167 case ST_ATTACHMENT_FRONT_LEFT
:
171 att
= __DRI_BUFFER_FRONT_LEFT
;
173 case ST_ATTACHMENT_BACK_LEFT
:
174 att
= __DRI_BUFFER_BACK_LEFT
;
176 case ST_ATTACHMENT_FRONT_RIGHT
:
177 att
= __DRI_BUFFER_FRONT_RIGHT
;
179 case ST_ATTACHMENT_BACK_RIGHT
:
180 att
= __DRI_BUFFER_BACK_RIGHT
;
187 * In this switch statement we must support all formats that
188 * may occur as the stvis->color_format.
191 case PIPE_FORMAT_BGRA8888_UNORM
:
194 case PIPE_FORMAT_BGRX8888_UNORM
:
197 case PIPE_FORMAT_B5G6R5_UNORM
:
201 depth
= util_format_get_blocksizebits(format
);
202 assert(!"Unexpected format in dri2_drawable_get_buffers()");
205 attachments
[num_attachments
++] = att
;
207 attachments
[num_attachments
++] = depth
;
212 num_attachments
/= 2;
213 buffers
= loader
->getBuffersWithFormat(dri_drawable
,
214 &dri_drawable
->w
, &dri_drawable
->h
,
215 attachments
, num_attachments
,
216 &num_buffers
, dri_drawable
->loaderPrivate
);
219 buffers
= loader
->getBuffers(dri_drawable
,
220 &dri_drawable
->w
, &dri_drawable
->h
,
221 attachments
, num_attachments
,
222 &num_buffers
, dri_drawable
->loaderPrivate
);
226 *count
= num_buffers
;
232 dri_image_drawable_get_buffers(struct dri_drawable
*drawable
,
233 struct __DRIimageList
*images
,
234 const enum st_attachment_type
*statts
,
235 unsigned statts_count
)
237 __DRIdrawable
*dPriv
= drawable
->dPriv
;
238 __DRIscreen
*sPriv
= drawable
->sPriv
;
239 unsigned int image_format
= __DRI_IMAGE_FORMAT_NONE
;
241 uint32_t buffer_mask
= 0;
244 for (i
= 0; i
< statts_count
; i
++) {
245 dri_drawable_get_format(drawable
, statts
[i
], &pf
, &bind
);
246 if (pf
== PIPE_FORMAT_NONE
)
250 case ST_ATTACHMENT_FRONT_LEFT
:
251 buffer_mask
|= __DRI_IMAGE_BUFFER_FRONT
;
253 case ST_ATTACHMENT_BACK_LEFT
:
254 buffer_mask
|= __DRI_IMAGE_BUFFER_BACK
;
261 case PIPE_FORMAT_B5G6R5_UNORM
:
262 image_format
= __DRI_IMAGE_FORMAT_RGB565
;
264 case PIPE_FORMAT_BGRX8888_UNORM
:
265 image_format
= __DRI_IMAGE_FORMAT_XRGB8888
;
267 case PIPE_FORMAT_BGRA8888_UNORM
:
268 image_format
= __DRI_IMAGE_FORMAT_ARGB8888
;
270 case PIPE_FORMAT_RGBA8888_UNORM
:
271 image_format
= __DRI_IMAGE_FORMAT_ABGR8888
;
274 image_format
= __DRI_IMAGE_FORMAT_NONE
;
279 return (*sPriv
->image
.loader
->getBuffers
) (dPriv
, image_format
,
280 (uint32_t *) &drawable
->base
.stamp
,
281 dPriv
->loaderPrivate
, buffer_mask
,
286 dri2_allocate_buffer(__DRIscreen
*sPriv
,
287 unsigned attachment
, unsigned format
,
288 int width
, int height
)
290 struct dri_screen
*screen
= dri_screen(sPriv
);
291 struct dri2_buffer
*buffer
;
292 struct pipe_resource templ
;
295 struct winsys_handle whandle
;
297 switch (attachment
) {
298 case __DRI_BUFFER_FRONT_LEFT
:
299 case __DRI_BUFFER_FAKE_FRONT_LEFT
:
300 bind
= PIPE_BIND_RENDER_TARGET
| PIPE_BIND_SAMPLER_VIEW
;
302 case __DRI_BUFFER_BACK_LEFT
:
303 bind
= PIPE_BIND_RENDER_TARGET
| PIPE_BIND_SAMPLER_VIEW
;
305 case __DRI_BUFFER_DEPTH
:
306 case __DRI_BUFFER_DEPTH_STENCIL
:
307 case __DRI_BUFFER_STENCIL
:
308 bind
= PIPE_BIND_DEPTH_STENCIL
; /* XXX sampler? */
312 /* because we get the handle and stride */
313 bind
|= PIPE_BIND_SHARED
;
317 pf
= PIPE_FORMAT_BGRA8888_UNORM
;
320 pf
= PIPE_FORMAT_BGRX8888_UNORM
;
323 pf
= PIPE_FORMAT_Z16_UNORM
;
329 buffer
= CALLOC_STRUCT(dri2_buffer
);
333 memset(&templ
, 0, sizeof(templ
));
336 templ
.target
= PIPE_TEXTURE_2D
;
337 templ
.last_level
= 0;
338 templ
.width0
= width
;
339 templ
.height0
= height
;
341 templ
.array_size
= 1;
344 screen
->base
.screen
->resource_create(screen
->base
.screen
, &templ
);
345 if (!buffer
->resource
) {
350 memset(&whandle
, 0, sizeof(whandle
));
351 if (screen
->can_share_buffer
)
352 whandle
.type
= DRM_API_HANDLE_TYPE_SHARED
;
354 whandle
.type
= DRM_API_HANDLE_TYPE_KMS
;
356 screen
->base
.screen
->resource_get_handle(screen
->base
.screen
,
357 buffer
->resource
, &whandle
,
358 PIPE_HANDLE_USAGE_EXPLICIT_FLUSH
| PIPE_HANDLE_USAGE_READ
);
360 buffer
->base
.attachment
= attachment
;
361 buffer
->base
.name
= whandle
.handle
;
362 buffer
->base
.cpp
= util_format_get_blocksize(pf
);
363 buffer
->base
.pitch
= whandle
.stride
;
365 return &buffer
->base
;
369 dri2_release_buffer(__DRIscreen
*sPriv
, __DRIbuffer
*bPriv
)
371 struct dri2_buffer
*buffer
= dri2_buffer(bPriv
);
373 pipe_resource_reference(&buffer
->resource
, NULL
);
378 * Backend functions for st_framebuffer interface.
382 dri2_allocate_textures(struct dri_context
*ctx
,
383 struct dri_drawable
*drawable
,
384 const enum st_attachment_type
*statts
,
385 unsigned statts_count
)
387 __DRIscreen
*sPriv
= drawable
->sPriv
;
388 __DRIdrawable
*dri_drawable
= drawable
->dPriv
;
389 struct dri_screen
*screen
= dri_screen(sPriv
);
390 struct pipe_resource templ
;
391 boolean alloc_depthstencil
= FALSE
;
393 const __DRIimageLoaderExtension
*image
= sPriv
->image
.loader
;
394 /* Image specific variables */
395 struct __DRIimageList images
;
396 /* Dri2 specific variables */
397 __DRIbuffer
*buffers
= NULL
;
398 struct winsys_handle whandle
;
399 unsigned num_buffers
= statts_count
;
401 /* First get the buffers from the loader */
403 if (!dri_image_drawable_get_buffers(drawable
, &images
,
404 statts
, statts_count
))
408 buffers
= dri2_drawable_get_buffers(drawable
, statts
, &num_buffers
);
409 if (!buffers
|| (drawable
->old_num
== num_buffers
&&
410 drawable
->old_w
== dri_drawable
->w
&&
411 drawable
->old_h
== dri_drawable
->h
&&
412 memcmp(drawable
->old
, buffers
,
413 sizeof(__DRIbuffer
) * num_buffers
) == 0))
417 /* Second clean useless resources*/
419 /* See if we need a depth-stencil buffer. */
420 for (i
= 0; i
< statts_count
; i
++) {
421 if (statts
[i
] == ST_ATTACHMENT_DEPTH_STENCIL
) {
422 alloc_depthstencil
= TRUE
;
427 /* Delete the resources we won't need. */
428 for (i
= 0; i
< ST_ATTACHMENT_COUNT
; i
++) {
429 /* Don't delete the depth-stencil buffer, we can reuse it. */
430 if (i
== ST_ATTACHMENT_DEPTH_STENCIL
&& alloc_depthstencil
)
433 /* Flush the texture before unreferencing, so that other clients can
434 * see what the driver has rendered.
436 if (i
!= ST_ATTACHMENT_DEPTH_STENCIL
&& drawable
->textures
[i
]) {
437 struct pipe_context
*pipe
= ctx
->st
->pipe
;
438 pipe
->flush_resource(pipe
, drawable
->textures
[i
]);
441 pipe_resource_reference(&drawable
->textures
[i
], NULL
);
444 if (drawable
->stvis
.samples
> 1) {
445 for (i
= 0; i
< ST_ATTACHMENT_COUNT
; i
++) {
448 /* Don't delete MSAA resources for the attachments which are enabled,
449 * we can reuse them. */
450 for (j
= 0; j
< statts_count
; j
++) {
451 if (i
== statts
[j
]) {
458 pipe_resource_reference(&drawable
->msaa_textures
[i
], NULL
);
463 /* Third use the buffers retrieved to fill the drawable info */
465 memset(&templ
, 0, sizeof(templ
));
466 templ
.target
= screen
->target
;
467 templ
.last_level
= 0;
469 templ
.array_size
= 1;
472 if (images
.image_mask
& __DRI_IMAGE_BUFFER_FRONT
) {
473 struct pipe_resource
**buf
=
474 &drawable
->textures
[ST_ATTACHMENT_FRONT_LEFT
];
475 struct pipe_resource
*texture
= images
.front
->texture
;
477 dri_drawable
->w
= texture
->width0
;
478 dri_drawable
->h
= texture
->height0
;
480 pipe_resource_reference(buf
, texture
);
483 if (images
.image_mask
& __DRI_IMAGE_BUFFER_BACK
) {
484 struct pipe_resource
**buf
=
485 &drawable
->textures
[ST_ATTACHMENT_BACK_LEFT
];
486 struct pipe_resource
*texture
= images
.back
->texture
;
488 dri_drawable
->w
= texture
->width0
;
489 dri_drawable
->h
= texture
->height0
;
491 pipe_resource_reference(buf
, texture
);
494 /* Note: if there is both a back and a front buffer,
495 * then they have the same size.
497 templ
.width0
= dri_drawable
->w
;
498 templ
.height0
= dri_drawable
->h
;
501 memset(&whandle
, 0, sizeof(whandle
));
503 /* Process DRI-provided buffers and get pipe_resources. */
504 for (i
= 0; i
< num_buffers
; i
++) {
505 __DRIbuffer
*buf
= &buffers
[i
];
506 enum st_attachment_type statt
;
507 enum pipe_format format
;
509 switch (buf
->attachment
) {
510 case __DRI_BUFFER_FRONT_LEFT
:
511 if (!screen
->auto_fake_front
) {
512 continue; /* invalid attachment */
515 case __DRI_BUFFER_FAKE_FRONT_LEFT
:
516 statt
= ST_ATTACHMENT_FRONT_LEFT
;
518 case __DRI_BUFFER_BACK_LEFT
:
519 statt
= ST_ATTACHMENT_BACK_LEFT
;
522 continue; /* invalid attachment */
525 dri_drawable_get_format(drawable
, statt
, &format
, &bind
);
526 if (format
== PIPE_FORMAT_NONE
)
529 /* dri2_drawable_get_buffers has already filled dri_drawable->w
530 * and dri_drawable->h */
531 templ
.width0
= dri_drawable
->w
;
532 templ
.height0
= dri_drawable
->h
;
533 templ
.format
= format
;
535 whandle
.handle
= buf
->name
;
536 whandle
.stride
= buf
->pitch
;
538 if (screen
->can_share_buffer
)
539 whandle
.type
= DRM_API_HANDLE_TYPE_SHARED
;
541 whandle
.type
= DRM_API_HANDLE_TYPE_KMS
;
542 drawable
->textures
[statt
] =
543 screen
->base
.screen
->resource_from_handle(screen
->base
.screen
,
545 PIPE_HANDLE_USAGE_EXPLICIT_FLUSH
| PIPE_HANDLE_USAGE_READ
);
546 assert(drawable
->textures
[statt
]);
550 /* Allocate private MSAA colorbuffers. */
551 if (drawable
->stvis
.samples
> 1) {
552 for (i
= 0; i
< statts_count
; i
++) {
553 enum st_attachment_type statt
= statts
[i
];
555 if (statt
== ST_ATTACHMENT_DEPTH_STENCIL
)
558 if (drawable
->textures
[statt
]) {
559 templ
.format
= drawable
->textures
[statt
]->format
;
560 templ
.bind
= drawable
->textures
[statt
]->bind
& ~PIPE_BIND_SCANOUT
;
561 templ
.nr_samples
= drawable
->stvis
.samples
;
563 /* Try to reuse the resource.
564 * (the other resource parameters should be constant)
566 if (!drawable
->msaa_textures
[statt
] ||
567 drawable
->msaa_textures
[statt
]->width0
!= templ
.width0
||
568 drawable
->msaa_textures
[statt
]->height0
!= templ
.height0
) {
569 /* Allocate a new one. */
570 pipe_resource_reference(&drawable
->msaa_textures
[statt
], NULL
);
572 drawable
->msaa_textures
[statt
] =
573 screen
->base
.screen
->resource_create(screen
->base
.screen
,
575 assert(drawable
->msaa_textures
[statt
]);
577 /* If there are any MSAA resources, we should initialize them
578 * such that they contain the same data as the single-sample
579 * resources we just got from the X server.
581 * The reason for this is that the state tracker (and
582 * therefore the app) can access the MSAA resources only.
583 * The single-sample resources are not exposed
584 * to the state tracker.
587 dri_pipe_blit(ctx
->st
->pipe
,
588 drawable
->msaa_textures
[statt
],
589 drawable
->textures
[statt
]);
593 pipe_resource_reference(&drawable
->msaa_textures
[statt
], NULL
);
598 /* Allocate a private depth-stencil buffer. */
599 if (alloc_depthstencil
) {
600 enum st_attachment_type statt
= ST_ATTACHMENT_DEPTH_STENCIL
;
601 struct pipe_resource
**zsbuf
;
602 enum pipe_format format
;
605 dri_drawable_get_format(drawable
, statt
, &format
, &bind
);
608 templ
.format
= format
;
611 if (drawable
->stvis
.samples
> 1) {
612 templ
.nr_samples
= drawable
->stvis
.samples
;
613 zsbuf
= &drawable
->msaa_textures
[statt
];
616 templ
.nr_samples
= 0;
617 zsbuf
= &drawable
->textures
[statt
];
620 /* Try to reuse the resource.
621 * (the other resource parameters should be constant)
624 (*zsbuf
)->width0
!= templ
.width0
||
625 (*zsbuf
)->height0
!= templ
.height0
) {
626 /* Allocate a new one. */
627 pipe_resource_reference(zsbuf
, NULL
);
628 *zsbuf
= screen
->base
.screen
->resource_create(screen
->base
.screen
,
634 pipe_resource_reference(&drawable
->msaa_textures
[statt
], NULL
);
635 pipe_resource_reference(&drawable
->textures
[statt
], NULL
);
639 /* For DRI2, we may get the same buffers again from the server.
640 * To prevent useless imports of gem names, drawable->old* is used
641 * to bypass the import if we get the same buffers. This doesn't apply
642 * to DRI3/Wayland, users of image.loader, since the buffer is managed
643 * by the client (no import), and the back buffer is going to change
647 drawable
->old_num
= num_buffers
;
648 drawable
->old_w
= dri_drawable
->w
;
649 drawable
->old_h
= dri_drawable
->h
;
650 memcpy(drawable
->old
, buffers
, sizeof(__DRIbuffer
) * num_buffers
);
655 dri2_flush_frontbuffer(struct dri_context
*ctx
,
656 struct dri_drawable
*drawable
,
657 enum st_attachment_type statt
)
659 __DRIdrawable
*dri_drawable
= drawable
->dPriv
;
660 const __DRIimageLoaderExtension
*image
= drawable
->sPriv
->image
.loader
;
661 const __DRIdri2LoaderExtension
*loader
= drawable
->sPriv
->dri2
.loader
;
662 struct pipe_context
*pipe
= ctx
->st
->pipe
;
664 if (statt
!= ST_ATTACHMENT_FRONT_LEFT
)
667 if (drawable
->stvis
.samples
> 1) {
668 /* Resolve the front buffer. */
669 dri_pipe_blit(ctx
->st
->pipe
,
670 drawable
->textures
[ST_ATTACHMENT_FRONT_LEFT
],
671 drawable
->msaa_textures
[ST_ATTACHMENT_FRONT_LEFT
]);
674 if (drawable
->textures
[ST_ATTACHMENT_FRONT_LEFT
]) {
675 pipe
->flush_resource(pipe
, drawable
->textures
[ST_ATTACHMENT_FRONT_LEFT
]);
678 pipe
->flush(pipe
, NULL
, 0);
681 image
->flushFrontBuffer(dri_drawable
, dri_drawable
->loaderPrivate
);
683 else if (loader
->flushFrontBuffer
) {
684 loader
->flushFrontBuffer(dri_drawable
, dri_drawable
->loaderPrivate
);
689 dri2_update_tex_buffer(struct dri_drawable
*drawable
,
690 struct dri_context
*ctx
,
691 struct pipe_resource
*res
)
697 dri2_lookup_egl_image(struct dri_screen
*screen
, void *handle
)
699 const __DRIimageLookupExtension
*loader
= screen
->sPriv
->dri2
.image
;
702 if (!loader
->lookupEGLImage
)
705 img
= loader
->lookupEGLImage(screen
->sPriv
,
706 handle
, screen
->sPriv
->loaderPrivate
);
712 dri2_create_image_from_winsys(__DRIscreen
*_screen
,
713 int width
, int height
, int format
,
714 struct winsys_handle
*whandle
, int pitch
,
717 struct dri_screen
*screen
= dri_screen(_screen
);
719 struct pipe_resource templ
;
723 tex_usage
= PIPE_BIND_RENDER_TARGET
| PIPE_BIND_SAMPLER_VIEW
;
726 case __DRI_IMAGE_FORMAT_RGB565
:
727 pf
= PIPE_FORMAT_B5G6R5_UNORM
;
729 case __DRI_IMAGE_FORMAT_XRGB8888
:
730 pf
= PIPE_FORMAT_BGRX8888_UNORM
;
732 case __DRI_IMAGE_FORMAT_ARGB8888
:
733 pf
= PIPE_FORMAT_BGRA8888_UNORM
;
735 case __DRI_IMAGE_FORMAT_ABGR8888
:
736 pf
= PIPE_FORMAT_RGBA8888_UNORM
;
739 pf
= PIPE_FORMAT_NONE
;
742 if (pf
== PIPE_FORMAT_NONE
)
745 img
= CALLOC_STRUCT(__DRIimageRec
);
749 memset(&templ
, 0, sizeof(templ
));
750 templ
.bind
= tex_usage
;
752 templ
.target
= screen
->target
;
753 templ
.last_level
= 0;
754 templ
.width0
= width
;
755 templ
.height0
= height
;
757 templ
.array_size
= 1;
759 whandle
->stride
= pitch
* util_format_get_blocksize(pf
);
762 img
->texture
= screen
->base
.screen
->resource_from_handle(screen
->base
.screen
,
763 &templ
, whandle
, PIPE_HANDLE_USAGE_READ_WRITE
);
771 img
->dri_format
= format
;
773 img
->loader_private
= loaderPrivate
;
779 dri2_create_image_from_name(__DRIscreen
*_screen
,
780 int width
, int height
, int format
,
781 int name
, int pitch
, void *loaderPrivate
)
783 struct winsys_handle whandle
;
785 memset(&whandle
, 0, sizeof(whandle
));
786 whandle
.type
= DRM_API_HANDLE_TYPE_SHARED
;
787 whandle
.handle
= name
;
789 return dri2_create_image_from_winsys(_screen
, width
, height
, format
,
790 &whandle
, pitch
, loaderPrivate
);
794 dri2_create_image_from_fd(__DRIscreen
*_screen
,
795 int width
, int height
, int format
,
796 int fd
, int pitch
, void *loaderPrivate
)
798 struct winsys_handle whandle
;
803 memset(&whandle
, 0, sizeof(whandle
));
804 whandle
.type
= DRM_API_HANDLE_TYPE_FD
;
805 whandle
.handle
= (unsigned)fd
;
807 return dri2_create_image_from_winsys(_screen
, width
, height
, format
,
808 &whandle
, pitch
, loaderPrivate
);
812 dri2_create_image_from_renderbuffer(__DRIcontext
*context
,
813 int renderbuffer
, void *loaderPrivate
)
815 struct dri_context
*ctx
= dri_context(context
);
817 if (!ctx
->st
->get_resource_for_egl_image
)
825 dri2_create_image(__DRIscreen
*_screen
,
826 int width
, int height
, int format
,
827 unsigned int use
, void *loaderPrivate
)
829 struct dri_screen
*screen
= dri_screen(_screen
);
831 struct pipe_resource templ
;
835 tex_usage
= PIPE_BIND_RENDER_TARGET
| PIPE_BIND_SAMPLER_VIEW
;
836 if (use
& __DRI_IMAGE_USE_SCANOUT
)
837 tex_usage
|= PIPE_BIND_SCANOUT
;
838 if (use
& __DRI_IMAGE_USE_SHARE
)
839 tex_usage
|= PIPE_BIND_SHARED
;
840 if (use
& __DRI_IMAGE_USE_LINEAR
)
841 tex_usage
|= PIPE_BIND_LINEAR
;
842 if (use
& __DRI_IMAGE_USE_CURSOR
) {
843 if (width
!= 64 || height
!= 64)
845 tex_usage
|= PIPE_BIND_CURSOR
;
849 case __DRI_IMAGE_FORMAT_RGB565
:
850 pf
= PIPE_FORMAT_B5G6R5_UNORM
;
852 case __DRI_IMAGE_FORMAT_XRGB8888
:
853 pf
= PIPE_FORMAT_BGRX8888_UNORM
;
855 case __DRI_IMAGE_FORMAT_ARGB8888
:
856 pf
= PIPE_FORMAT_BGRA8888_UNORM
;
858 case __DRI_IMAGE_FORMAT_ABGR8888
:
859 pf
= PIPE_FORMAT_RGBA8888_UNORM
;
862 pf
= PIPE_FORMAT_NONE
;
865 if (pf
== PIPE_FORMAT_NONE
)
868 img
= CALLOC_STRUCT(__DRIimageRec
);
872 memset(&templ
, 0, sizeof(templ
));
873 templ
.bind
= tex_usage
;
875 templ
.target
= PIPE_TEXTURE_2D
;
876 templ
.last_level
= 0;
877 templ
.width0
= width
;
878 templ
.height0
= height
;
880 templ
.array_size
= 1;
882 img
->texture
= screen
->base
.screen
->resource_create(screen
->base
.screen
, &templ
);
890 img
->dri_format
= format
;
891 img
->dri_components
= 0;
894 img
->loader_private
= loaderPrivate
;
899 dri2_query_image(__DRIimage
*image
, int attrib
, int *value
)
901 struct winsys_handle whandle
;
904 if (image
->use
& __DRI_IMAGE_USE_BACKBUFFER
)
905 usage
= PIPE_HANDLE_USAGE_EXPLICIT_FLUSH
| PIPE_HANDLE_USAGE_READ
;
907 usage
= PIPE_HANDLE_USAGE_READ_WRITE
;
909 memset(&whandle
, 0, sizeof(whandle
));
912 case __DRI_IMAGE_ATTRIB_STRIDE
:
913 whandle
.type
= DRM_API_HANDLE_TYPE_KMS
;
914 image
->texture
->screen
->resource_get_handle(image
->texture
->screen
,
915 image
->texture
, &whandle
, usage
);
916 *value
= whandle
.stride
;
918 case __DRI_IMAGE_ATTRIB_HANDLE
:
919 whandle
.type
= DRM_API_HANDLE_TYPE_KMS
;
920 image
->texture
->screen
->resource_get_handle(image
->texture
->screen
,
921 image
->texture
, &whandle
, usage
);
922 *value
= whandle
.handle
;
924 case __DRI_IMAGE_ATTRIB_NAME
:
925 whandle
.type
= DRM_API_HANDLE_TYPE_SHARED
;
926 image
->texture
->screen
->resource_get_handle(image
->texture
->screen
,
927 image
->texture
, &whandle
, usage
);
928 *value
= whandle
.handle
;
930 case __DRI_IMAGE_ATTRIB_FD
:
931 whandle
.type
= DRM_API_HANDLE_TYPE_FD
;
932 image
->texture
->screen
->resource_get_handle(image
->texture
->screen
,
933 image
->texture
, &whandle
, usage
);
934 *value
= whandle
.handle
;
936 case __DRI_IMAGE_ATTRIB_FORMAT
:
937 *value
= image
->dri_format
;
939 case __DRI_IMAGE_ATTRIB_WIDTH
:
940 *value
= image
->texture
->width0
;
942 case __DRI_IMAGE_ATTRIB_HEIGHT
:
943 *value
= image
->texture
->height0
;
945 case __DRI_IMAGE_ATTRIB_COMPONENTS
:
946 if (image
->dri_components
== 0)
948 *value
= image
->dri_components
;
950 case __DRI_IMAGE_ATTRIB_FOURCC
:
951 *value
= convert_to_fourcc(image
->dri_format
);
953 case __DRI_IMAGE_ATTRIB_NUM_PLANES
:
962 dri2_dup_image(__DRIimage
*image
, void *loaderPrivate
)
966 img
= CALLOC_STRUCT(__DRIimageRec
);
971 pipe_resource_reference(&img
->texture
, image
->texture
);
972 img
->level
= image
->level
;
973 img
->layer
= image
->layer
;
974 img
->dri_format
= image
->dri_format
;
975 /* This should be 0 for sub images, but dup is also used for base images. */
976 img
->dri_components
= image
->dri_components
;
977 img
->loader_private
= loaderPrivate
;
983 dri2_validate_usage(__DRIimage
*image
, unsigned int use
)
986 * Gallium drivers are bad at adding usages to the resources
987 * once opened again in another process, which is the main use
988 * case for this, so we have to lie.
997 dri2_from_names(__DRIscreen
*screen
, int width
, int height
, int format
,
998 int *names
, int num_names
, int *strides
, int *offsets
,
1002 int stride
, dri_components
;
1006 if (offsets
[0] != 0)
1009 format
= convert_fourcc(format
, &dri_components
);
1013 /* Strides are in bytes not pixels. */
1014 stride
= strides
[0] /4;
1016 img
= dri2_create_image_from_name(screen
, width
, height
, format
,
1017 names
[0], stride
, loaderPrivate
);
1021 img
->dri_components
= dri_components
;
1026 dri2_from_planar(__DRIimage
*image
, int plane
, void *loaderPrivate
)
1033 if (image
->dri_components
== 0)
1036 img
= dri2_dup_image(image
, loaderPrivate
);
1040 /* set this to 0 for sub images. */
1041 img
->dri_components
= 0;
1046 dri2_create_from_texture(__DRIcontext
*context
, int target
, unsigned texture
,
1047 int depth
, int level
, unsigned *error
,
1048 void *loaderPrivate
)
1051 struct gl_context
*ctx
= ((struct st_context
*)dri_context(context
)->st
)->ctx
;
1052 struct gl_texture_object
*obj
;
1053 struct pipe_resource
*tex
;
1056 obj
= _mesa_lookup_texture(ctx
, texture
);
1057 if (!obj
|| obj
->Target
!= target
) {
1058 *error
= __DRI_IMAGE_ERROR_BAD_PARAMETER
;
1062 tex
= st_get_texobj_resource(obj
);
1064 *error
= __DRI_IMAGE_ERROR_BAD_PARAMETER
;
1068 if (target
== GL_TEXTURE_CUBE_MAP
)
1071 _mesa_test_texobj_completeness(ctx
, obj
);
1072 if (!obj
->_BaseComplete
|| (level
> 0 && !obj
->_MipmapComplete
)) {
1073 *error
= __DRI_IMAGE_ERROR_BAD_PARAMETER
;
1077 if (level
< obj
->BaseLevel
|| level
> obj
->_MaxLevel
) {
1078 *error
= __DRI_IMAGE_ERROR_BAD_MATCH
;
1082 if (target
== GL_TEXTURE_3D
&& obj
->Image
[face
][level
]->Depth
< depth
) {
1083 *error
= __DRI_IMAGE_ERROR_BAD_MATCH
;
1087 img
= CALLOC_STRUCT(__DRIimageRec
);
1089 *error
= __DRI_IMAGE_ERROR_BAD_ALLOC
;
1095 img
->dri_format
= driGLFormatToImageFormat(obj
->Image
[face
][level
]->TexFormat
);
1097 img
->loader_private
= loaderPrivate
;
1099 if (img
->dri_format
== __DRI_IMAGE_FORMAT_NONE
) {
1100 *error
= __DRI_IMAGE_ERROR_BAD_PARAMETER
;
1105 pipe_resource_reference(&img
->texture
, tex
);
1107 *error
= __DRI_IMAGE_ERROR_SUCCESS
;
1112 dri2_from_fds(__DRIscreen
*screen
, int width
, int height
, int fourcc
,
1113 int *fds
, int num_fds
, int *strides
, int *offsets
,
1114 void *loaderPrivate
)
1117 int format
, stride
, dri_components
;
1121 if (offsets
[0] != 0)
1124 format
= convert_fourcc(fourcc
, &dri_components
);
1128 /* Strides are in bytes not pixels. */
1129 stride
= strides
[0] /4;
1131 img
= dri2_create_image_from_fd(screen
, width
, height
, format
,
1132 fds
[0], stride
, loaderPrivate
);
1136 img
->dri_components
= dri_components
;
1141 dri2_from_dma_bufs(__DRIscreen
*screen
,
1142 int width
, int height
, int fourcc
,
1143 int *fds
, int num_fds
,
1144 int *strides
, int *offsets
,
1145 enum __DRIYUVColorSpace yuv_color_space
,
1146 enum __DRISampleRange sample_range
,
1147 enum __DRIChromaSiting horizontal_siting
,
1148 enum __DRIChromaSiting vertical_siting
,
1150 void *loaderPrivate
)
1153 int format
, stride
, dri_components
;
1155 if (num_fds
!= 1 || offsets
[0] != 0) {
1156 *error
= __DRI_IMAGE_ERROR_BAD_MATCH
;
1160 format
= convert_fourcc(fourcc
, &dri_components
);
1162 *error
= __DRI_IMAGE_ERROR_BAD_MATCH
;
1166 /* Strides are in bytes not pixels. */
1167 stride
= strides
[0] /4;
1169 img
= dri2_create_image_from_fd(screen
, width
, height
, format
,
1170 fds
[0], stride
, loaderPrivate
);
1172 *error
= __DRI_IMAGE_ERROR_BAD_ALLOC
;
1176 img
->yuv_color_space
= yuv_color_space
;
1177 img
->sample_range
= sample_range
;
1178 img
->horizontal_siting
= horizontal_siting
;
1179 img
->vertical_siting
= vertical_siting
;
1180 img
->dri_components
= dri_components
;
1182 *error
= __DRI_IMAGE_ERROR_SUCCESS
;
1187 dri2_blit_image(__DRIcontext
*context
, __DRIimage
*dst
, __DRIimage
*src
,
1188 int dstx0
, int dsty0
, int dstwidth
, int dstheight
,
1189 int srcx0
, int srcy0
, int srcwidth
, int srcheight
,
1192 struct dri_context
*ctx
= dri_context(context
);
1193 struct pipe_context
*pipe
= ctx
->st
->pipe
;
1194 struct pipe_screen
*screen
;
1195 struct pipe_fence_handle
*fence
;
1196 struct pipe_blit_info blit
;
1201 memset(&blit
, 0, sizeof(blit
));
1202 blit
.dst
.resource
= dst
->texture
;
1203 blit
.dst
.box
.x
= dstx0
;
1204 blit
.dst
.box
.y
= dsty0
;
1205 blit
.dst
.box
.width
= dstwidth
;
1206 blit
.dst
.box
.height
= dstheight
;
1207 blit
.dst
.box
.depth
= 1;
1208 blit
.dst
.format
= dst
->texture
->format
;
1209 blit
.src
.resource
= src
->texture
;
1210 blit
.src
.box
.x
= srcx0
;
1211 blit
.src
.box
.y
= srcy0
;
1212 blit
.src
.box
.width
= srcwidth
;
1213 blit
.src
.box
.height
= srcheight
;
1214 blit
.src
.box
.depth
= 1;
1215 blit
.src
.format
= src
->texture
->format
;
1216 blit
.mask
= PIPE_MASK_RGBA
;
1217 blit
.filter
= PIPE_TEX_FILTER_NEAREST
;
1219 pipe
->blit(pipe
, &blit
);
1221 if (flush_flag
== __BLIT_FLAG_FLUSH
) {
1222 pipe
->flush_resource(pipe
, dst
->texture
);
1223 ctx
->st
->flush(ctx
->st
, 0, NULL
);
1224 } else if (flush_flag
== __BLIT_FLAG_FINISH
) {
1225 screen
= dri_screen(ctx
->sPriv
)->base
.screen
;
1226 pipe
->flush_resource(pipe
, dst
->texture
);
1227 ctx
->st
->flush(ctx
->st
, 0, &fence
);
1228 (void) screen
->fence_finish(screen
, fence
, PIPE_TIMEOUT_INFINITE
);
1229 screen
->fence_reference(screen
, &fence
, NULL
);
1234 dri2_destroy_image(__DRIimage
*img
)
1236 pipe_resource_reference(&img
->texture
, NULL
);
1241 dri2_get_capabilities(__DRIscreen
*_screen
)
1243 struct dri_screen
*screen
= dri_screen(_screen
);
1245 return (screen
->can_share_buffer
? __DRI_IMAGE_CAP_GLOBAL_NAMES
: 0);
1248 /* The extension is modified during runtime if DRI_PRIME is detected */
1249 static __DRIimageExtension dri2ImageExtension
= {
1250 .base
= { __DRI_IMAGE
, 11 },
1252 .createImageFromName
= dri2_create_image_from_name
,
1253 .createImageFromRenderbuffer
= dri2_create_image_from_renderbuffer
,
1254 .destroyImage
= dri2_destroy_image
,
1255 .createImage
= dri2_create_image
,
1256 .queryImage
= dri2_query_image
,
1257 .dupImage
= dri2_dup_image
,
1258 .validateUsage
= dri2_validate_usage
,
1259 .createImageFromNames
= dri2_from_names
,
1260 .fromPlanar
= dri2_from_planar
,
1261 .createImageFromTexture
= dri2_create_from_texture
,
1262 .createImageFromFds
= NULL
,
1263 .createImageFromDmaBufs
= NULL
,
1264 .blitImage
= dri2_blit_image
,
1265 .getCapabilities
= dri2_get_capabilities
,
1270 dri2_is_opencl_interop_loaded_locked(struct dri_screen
*screen
)
1272 return screen
->opencl_dri_event_add_ref
&&
1273 screen
->opencl_dri_event_release
&&
1274 screen
->opencl_dri_event_wait
&&
1275 screen
->opencl_dri_event_get_fence
;
1279 dri2_load_opencl_interop(struct dri_screen
*screen
)
1281 #if defined(RTLD_DEFAULT)
1284 pipe_mutex_lock(screen
->opencl_func_mutex
);
1286 if (dri2_is_opencl_interop_loaded_locked(screen
)) {
1287 pipe_mutex_unlock(screen
->opencl_func_mutex
);
1291 screen
->opencl_dri_event_add_ref
=
1292 dlsym(RTLD_DEFAULT
, "opencl_dri_event_add_ref");
1293 screen
->opencl_dri_event_release
=
1294 dlsym(RTLD_DEFAULT
, "opencl_dri_event_release");
1295 screen
->opencl_dri_event_wait
=
1296 dlsym(RTLD_DEFAULT
, "opencl_dri_event_wait");
1297 screen
->opencl_dri_event_get_fence
=
1298 dlsym(RTLD_DEFAULT
, "opencl_dri_event_get_fence");
1300 success
= dri2_is_opencl_interop_loaded_locked(screen
);
1301 pipe_mutex_unlock(screen
->opencl_func_mutex
);
1309 struct dri_screen
*driscreen
;
1310 struct pipe_fence_handle
*pipe_fence
;
1315 dri2_create_fence(__DRIcontext
*_ctx
)
1317 struct pipe_context
*ctx
= dri_context(_ctx
)->st
->pipe
;
1318 struct dri2_fence
*fence
= CALLOC_STRUCT(dri2_fence
);
1323 ctx
->flush(ctx
, &fence
->pipe_fence
, 0);
1325 if (!fence
->pipe_fence
) {
1330 fence
->driscreen
= dri_screen(_ctx
->driScreenPriv
);
1335 dri2_get_fence_from_cl_event(__DRIscreen
*_screen
, intptr_t cl_event
)
1337 struct dri_screen
*driscreen
= dri_screen(_screen
);
1338 struct dri2_fence
*fence
;
1340 if (!dri2_load_opencl_interop(driscreen
))
1343 fence
= CALLOC_STRUCT(dri2_fence
);
1347 fence
->cl_event
= (void*)cl_event
;
1349 if (!driscreen
->opencl_dri_event_add_ref(fence
->cl_event
)) {
1354 fence
->driscreen
= driscreen
;
1359 dri2_destroy_fence(__DRIscreen
*_screen
, void *_fence
)
1361 struct dri_screen
*driscreen
= dri_screen(_screen
);
1362 struct pipe_screen
*screen
= driscreen
->base
.screen
;
1363 struct dri2_fence
*fence
= (struct dri2_fence
*)_fence
;
1365 if (fence
->pipe_fence
)
1366 screen
->fence_reference(screen
, &fence
->pipe_fence
, NULL
);
1367 else if (fence
->cl_event
)
1368 driscreen
->opencl_dri_event_release(fence
->cl_event
);
1376 dri2_client_wait_sync(__DRIcontext
*_ctx
, void *_fence
, unsigned flags
,
1379 struct dri2_fence
*fence
= (struct dri2_fence
*)_fence
;
1380 struct dri_screen
*driscreen
= fence
->driscreen
;
1381 struct pipe_screen
*screen
= driscreen
->base
.screen
;
1383 /* No need to flush. The context was flushed when the fence was created. */
1385 if (fence
->pipe_fence
)
1386 return screen
->fence_finish(screen
, fence
->pipe_fence
, timeout
);
1387 else if (fence
->cl_event
) {
1388 struct pipe_fence_handle
*pipe_fence
=
1389 driscreen
->opencl_dri_event_get_fence(fence
->cl_event
);
1392 return screen
->fence_finish(screen
, pipe_fence
, timeout
);
1394 return driscreen
->opencl_dri_event_wait(fence
->cl_event
, timeout
);
1403 dri2_server_wait_sync(__DRIcontext
*_ctx
, void *_fence
, unsigned flags
)
1405 /* AFAIK, no driver currently supports parallel context execution. */
1408 static __DRI2fenceExtension dri2FenceExtension
= {
1409 .base
= { __DRI2_FENCE
, 1 },
1411 .create_fence
= dri2_create_fence
,
1412 .get_fence_from_cl_event
= dri2_get_fence_from_cl_event
,
1413 .destroy_fence
= dri2_destroy_fence
,
1414 .client_wait_sync
= dri2_client_wait_sync
,
1415 .server_wait_sync
= dri2_server_wait_sync
1418 static const __DRIrobustnessExtension dri2Robustness
= {
1419 .base
= { __DRI2_ROBUSTNESS
, 1 }
1423 * Backend function init_screen.
1426 static const __DRIextension
*dri_screen_extensions
[] = {
1427 &driTexBufferExtension
.base
,
1428 &dri2FlushExtension
.base
,
1429 &dri2ImageExtension
.base
,
1430 &dri2RendererQueryExtension
.base
,
1431 &dri2ConfigQueryExtension
.base
,
1432 &dri2ThrottleExtension
.base
,
1433 &dri2FenceExtension
.base
,
1437 static const __DRIextension
*dri_robust_screen_extensions
[] = {
1438 &driTexBufferExtension
.base
,
1439 &dri2FlushExtension
.base
,
1440 &dri2ImageExtension
.base
,
1441 &dri2RendererQueryExtension
.base
,
1442 &dri2ConfigQueryExtension
.base
,
1443 &dri2ThrottleExtension
.base
,
1444 &dri2FenceExtension
.base
,
1445 &dri2Robustness
.base
,
1450 * This is the driver specific part of the createNewScreen entry point.
1452 * Returns the struct gl_config supported by this driver.
1454 static const __DRIconfig
**
1455 dri2_init_screen(__DRIscreen
* sPriv
)
1457 const __DRIconfig
**configs
;
1458 struct dri_screen
*screen
;
1459 struct pipe_screen
*pscreen
= NULL
;
1460 const struct drm_conf_ret
*throttle_ret
;
1461 const struct drm_conf_ret
*dmabuf_ret
;
1464 screen
= CALLOC_STRUCT(dri_screen
);
1468 screen
->sPriv
= sPriv
;
1469 screen
->fd
= sPriv
->fd
;
1470 pipe_mutex_init(screen
->opencl_func_mutex
);
1472 sPriv
->driverPrivate
= (void *)screen
;
1474 if (screen
->fd
< 0 || (fd
= dup(screen
->fd
)) < 0)
1477 if (pipe_loader_drm_probe_fd(&screen
->dev
, fd
))
1478 pscreen
= pipe_loader_create_screen(screen
->dev
);
1483 throttle_ret
= pipe_loader_configuration(screen
->dev
, DRM_CONF_THROTTLE
);
1484 dmabuf_ret
= pipe_loader_configuration(screen
->dev
, DRM_CONF_SHARE_FD
);
1486 if (throttle_ret
&& throttle_ret
->val
.val_int
!= -1) {
1487 screen
->throttling_enabled
= TRUE
;
1488 screen
->default_throttle_frames
= throttle_ret
->val
.val_int
;
1491 if (dmabuf_ret
&& dmabuf_ret
->val
.val_bool
) {
1494 if (drmGetCap(sPriv
->fd
, DRM_CAP_PRIME
, &cap
) == 0 &&
1495 (cap
& DRM_PRIME_CAP_IMPORT
)) {
1496 dri2ImageExtension
.createImageFromFds
= dri2_from_fds
;
1497 dri2ImageExtension
.createImageFromDmaBufs
= dri2_from_dma_bufs
;
1501 if (pscreen
->get_param(pscreen
, PIPE_CAP_DEVICE_RESET_STATUS_QUERY
)) {
1502 sPriv
->extensions
= dri_robust_screen_extensions
;
1503 screen
->has_reset_status_query
= true;
1506 sPriv
->extensions
= dri_screen_extensions
;
1508 configs
= dri_init_screen_helper(screen
, pscreen
, screen
->dev
->driver_name
);
1512 screen
->can_share_buffer
= true;
1513 screen
->auto_fake_front
= dri_with_format(sPriv
);
1514 screen
->broken_invalidate
= !sPriv
->dri2
.useInvalidate
;
1515 screen
->lookup_egl_image
= dri2_lookup_egl_image
;
1519 dri_destroy_screen_helper(screen
);
1521 pipe_loader_release(&screen
->dev
, 1);
1529 * This is the driver specific part of the createNewScreen entry point.
1531 * Returns the struct gl_config supported by this driver.
1533 static const __DRIconfig
**
1534 dri_kms_init_screen(__DRIscreen
* sPriv
)
1536 #if defined(GALLIUM_SOFTPIPE)
1537 const __DRIconfig
**configs
;
1538 struct dri_screen
*screen
;
1539 struct pipe_screen
*pscreen
= NULL
;
1543 screen
= CALLOC_STRUCT(dri_screen
);
1547 screen
->sPriv
= sPriv
;
1548 screen
->fd
= sPriv
->fd
;
1550 sPriv
->driverPrivate
= (void *)screen
;
1552 if (screen
->fd
< 0 || (fd
= dup(screen
->fd
)) < 0)
1555 if (pipe_loader_sw_probe_kms(&screen
->dev
, fd
))
1556 pscreen
= pipe_loader_create_screen(screen
->dev
);
1561 if (drmGetCap(sPriv
->fd
, DRM_CAP_PRIME
, &cap
) == 0 &&
1562 (cap
& DRM_PRIME_CAP_IMPORT
)) {
1563 dri2ImageExtension
.createImageFromFds
= dri2_from_fds
;
1564 dri2ImageExtension
.createImageFromDmaBufs
= dri2_from_dma_bufs
;
1567 sPriv
->extensions
= dri_screen_extensions
;
1569 configs
= dri_init_screen_helper(screen
, pscreen
, "swrast");
1573 screen
->can_share_buffer
= false;
1574 screen
->auto_fake_front
= dri_with_format(sPriv
);
1575 screen
->broken_invalidate
= !sPriv
->dri2
.useInvalidate
;
1576 screen
->lookup_egl_image
= dri2_lookup_egl_image
;
1580 dri_destroy_screen_helper(screen
);
1582 pipe_loader_release(&screen
->dev
, 1);
1586 #endif // GALLIUM_SOFTPIPE
1591 dri2_create_buffer(__DRIscreen
* sPriv
,
1592 __DRIdrawable
* dPriv
,
1593 const struct gl_config
* visual
, boolean isPixmap
)
1595 struct dri_drawable
*drawable
= NULL
;
1597 if (!dri_create_buffer(sPriv
, dPriv
, visual
, isPixmap
))
1600 drawable
= dPriv
->driverPrivate
;
1602 drawable
->allocate_textures
= dri2_allocate_textures
;
1603 drawable
->flush_frontbuffer
= dri2_flush_frontbuffer
;
1604 drawable
->update_tex_buffer
= dri2_update_tex_buffer
;
1610 * DRI driver virtual function table.
1612 * DRI versions differ in their implementation of init_screen and swap_buffers.
1614 const struct __DriverAPIRec galliumdrm_driver_api
= {
1615 .InitScreen
= dri2_init_screen
,
1616 .DestroyScreen
= dri_destroy_screen
,
1617 .CreateContext
= dri_create_context
,
1618 .DestroyContext
= dri_destroy_context
,
1619 .CreateBuffer
= dri2_create_buffer
,
1620 .DestroyBuffer
= dri_destroy_buffer
,
1621 .MakeCurrent
= dri_make_current
,
1622 .UnbindContext
= dri_unbind_context
,
1624 .AllocateBuffer
= dri2_allocate_buffer
,
1625 .ReleaseBuffer
= dri2_release_buffer
,
1629 * DRI driver virtual function table.
1631 * KMS/DRM version of the DriverAPI above sporting a different InitScreen
1632 * hook. The latter is used to explicitly initialise the kms_swrast driver
1633 * rather than selecting the approapriate driver as suggested by the loader.
1635 const struct __DriverAPIRec dri_kms_driver_api
= {
1636 .InitScreen
= dri_kms_init_screen
,
1637 .DestroyScreen
= dri_destroy_screen
,
1638 .CreateContext
= dri_create_context
,
1639 .DestroyContext
= dri_destroy_context
,
1640 .CreateBuffer
= dri2_create_buffer
,
1641 .DestroyBuffer
= dri_destroy_buffer
,
1642 .MakeCurrent
= dri_make_current
,
1643 .UnbindContext
= dri_unbind_context
,
1645 .AllocateBuffer
= dri2_allocate_buffer
,
1646 .ReleaseBuffer
= dri2_release_buffer
,
1649 /* This is the table of extensions that the loader will dlsym() for. */
1650 const __DRIextension
*galliumdrm_driver_extensions
[] = {
1651 &driCoreExtension
.base
,
1652 &driImageDriverExtension
.base
,
1653 &driDRI2Extension
.base
,
1654 &gallium_config_options
.base
,
1658 /* vim: set sw=3 ts=8 sts=3 expandtab: */