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
);
359 buffer
->base
.attachment
= attachment
;
360 buffer
->base
.name
= whandle
.handle
;
361 buffer
->base
.cpp
= util_format_get_blocksize(pf
);
362 buffer
->base
.pitch
= whandle
.stride
;
364 return &buffer
->base
;
368 dri2_release_buffer(__DRIscreen
*sPriv
, __DRIbuffer
*bPriv
)
370 struct dri2_buffer
*buffer
= dri2_buffer(bPriv
);
372 pipe_resource_reference(&buffer
->resource
, NULL
);
377 * Backend functions for st_framebuffer interface.
381 dri2_allocate_textures(struct dri_context
*ctx
,
382 struct dri_drawable
*drawable
,
383 const enum st_attachment_type
*statts
,
384 unsigned statts_count
)
386 __DRIscreen
*sPriv
= drawable
->sPriv
;
387 __DRIdrawable
*dri_drawable
= drawable
->dPriv
;
388 struct dri_screen
*screen
= dri_screen(sPriv
);
389 struct pipe_resource templ
;
390 boolean alloc_depthstencil
= FALSE
;
392 const __DRIimageLoaderExtension
*image
= sPriv
->image
.loader
;
393 /* Image specific variables */
394 struct __DRIimageList images
;
395 /* Dri2 specific variables */
396 __DRIbuffer
*buffers
= NULL
;
397 struct winsys_handle whandle
;
398 unsigned num_buffers
= statts_count
;
400 /* First get the buffers from the loader */
402 if (!dri_image_drawable_get_buffers(drawable
, &images
,
403 statts
, statts_count
))
407 buffers
= dri2_drawable_get_buffers(drawable
, statts
, &num_buffers
);
408 if (!buffers
|| (drawable
->old_num
== num_buffers
&&
409 drawable
->old_w
== dri_drawable
->w
&&
410 drawable
->old_h
== dri_drawable
->h
&&
411 memcmp(drawable
->old
, buffers
,
412 sizeof(__DRIbuffer
) * num_buffers
) == 0))
416 /* Second clean useless resources*/
418 /* See if we need a depth-stencil buffer. */
419 for (i
= 0; i
< statts_count
; i
++) {
420 if (statts
[i
] == ST_ATTACHMENT_DEPTH_STENCIL
) {
421 alloc_depthstencil
= TRUE
;
426 /* Delete the resources we won't need. */
427 for (i
= 0; i
< ST_ATTACHMENT_COUNT
; i
++) {
428 /* Don't delete the depth-stencil buffer, we can reuse it. */
429 if (i
== ST_ATTACHMENT_DEPTH_STENCIL
&& alloc_depthstencil
)
432 /* Flush the texture before unreferencing, so that other clients can
433 * see what the driver has rendered.
435 if (i
!= ST_ATTACHMENT_DEPTH_STENCIL
&& drawable
->textures
[i
]) {
436 struct pipe_context
*pipe
= ctx
->st
->pipe
;
437 pipe
->flush_resource(pipe
, drawable
->textures
[i
]);
440 pipe_resource_reference(&drawable
->textures
[i
], NULL
);
443 if (drawable
->stvis
.samples
> 1) {
444 for (i
= 0; i
< ST_ATTACHMENT_COUNT
; i
++) {
447 /* Don't delete MSAA resources for the attachments which are enabled,
448 * we can reuse them. */
449 for (j
= 0; j
< statts_count
; j
++) {
450 if (i
== statts
[j
]) {
457 pipe_resource_reference(&drawable
->msaa_textures
[i
], NULL
);
462 /* Third use the buffers retrieved to fill the drawable info */
464 memset(&templ
, 0, sizeof(templ
));
465 templ
.target
= screen
->target
;
466 templ
.last_level
= 0;
468 templ
.array_size
= 1;
471 if (images
.image_mask
& __DRI_IMAGE_BUFFER_FRONT
) {
472 struct pipe_resource
**buf
=
473 &drawable
->textures
[ST_ATTACHMENT_FRONT_LEFT
];
474 struct pipe_resource
*texture
= images
.front
->texture
;
476 dri_drawable
->w
= texture
->width0
;
477 dri_drawable
->h
= texture
->height0
;
479 pipe_resource_reference(buf
, texture
);
482 if (images
.image_mask
& __DRI_IMAGE_BUFFER_BACK
) {
483 struct pipe_resource
**buf
=
484 &drawable
->textures
[ST_ATTACHMENT_BACK_LEFT
];
485 struct pipe_resource
*texture
= images
.back
->texture
;
487 dri_drawable
->w
= texture
->width0
;
488 dri_drawable
->h
= texture
->height0
;
490 pipe_resource_reference(buf
, texture
);
493 /* Note: if there is both a back and a front buffer,
494 * then they have the same size.
496 templ
.width0
= dri_drawable
->w
;
497 templ
.height0
= dri_drawable
->h
;
500 memset(&whandle
, 0, sizeof(whandle
));
502 /* Process DRI-provided buffers and get pipe_resources. */
503 for (i
= 0; i
< num_buffers
; i
++) {
504 __DRIbuffer
*buf
= &buffers
[i
];
505 enum st_attachment_type statt
;
506 enum pipe_format format
;
508 switch (buf
->attachment
) {
509 case __DRI_BUFFER_FRONT_LEFT
:
510 if (!screen
->auto_fake_front
) {
511 continue; /* invalid attachment */
514 case __DRI_BUFFER_FAKE_FRONT_LEFT
:
515 statt
= ST_ATTACHMENT_FRONT_LEFT
;
517 case __DRI_BUFFER_BACK_LEFT
:
518 statt
= ST_ATTACHMENT_BACK_LEFT
;
521 continue; /* invalid attachment */
524 dri_drawable_get_format(drawable
, statt
, &format
, &bind
);
525 if (format
== PIPE_FORMAT_NONE
)
528 /* dri2_drawable_get_buffers has already filled dri_drawable->w
529 * and dri_drawable->h */
530 templ
.width0
= dri_drawable
->w
;
531 templ
.height0
= dri_drawable
->h
;
532 templ
.format
= format
;
534 whandle
.handle
= buf
->name
;
535 whandle
.stride
= buf
->pitch
;
536 if (screen
->can_share_buffer
)
537 whandle
.type
= DRM_API_HANDLE_TYPE_SHARED
;
539 whandle
.type
= DRM_API_HANDLE_TYPE_KMS
;
540 drawable
->textures
[statt
] =
541 screen
->base
.screen
->resource_from_handle(screen
->base
.screen
,
543 assert(drawable
->textures
[statt
]);
547 /* Allocate private MSAA colorbuffers. */
548 if (drawable
->stvis
.samples
> 1) {
549 for (i
= 0; i
< statts_count
; i
++) {
550 enum st_attachment_type statt
= statts
[i
];
552 if (statt
== ST_ATTACHMENT_DEPTH_STENCIL
)
555 if (drawable
->textures
[statt
]) {
556 templ
.format
= drawable
->textures
[statt
]->format
;
557 templ
.bind
= drawable
->textures
[statt
]->bind
& ~PIPE_BIND_SCANOUT
;
558 templ
.nr_samples
= drawable
->stvis
.samples
;
560 /* Try to reuse the resource.
561 * (the other resource parameters should be constant)
563 if (!drawable
->msaa_textures
[statt
] ||
564 drawable
->msaa_textures
[statt
]->width0
!= templ
.width0
||
565 drawable
->msaa_textures
[statt
]->height0
!= templ
.height0
) {
566 /* Allocate a new one. */
567 pipe_resource_reference(&drawable
->msaa_textures
[statt
], NULL
);
569 drawable
->msaa_textures
[statt
] =
570 screen
->base
.screen
->resource_create(screen
->base
.screen
,
572 assert(drawable
->msaa_textures
[statt
]);
574 /* If there are any MSAA resources, we should initialize them
575 * such that they contain the same data as the single-sample
576 * resources we just got from the X server.
578 * The reason for this is that the state tracker (and
579 * therefore the app) can access the MSAA resources only.
580 * The single-sample resources are not exposed
581 * to the state tracker.
584 dri_pipe_blit(ctx
->st
->pipe
,
585 drawable
->msaa_textures
[statt
],
586 drawable
->textures
[statt
]);
590 pipe_resource_reference(&drawable
->msaa_textures
[statt
], NULL
);
595 /* Allocate a private depth-stencil buffer. */
596 if (alloc_depthstencil
) {
597 enum st_attachment_type statt
= ST_ATTACHMENT_DEPTH_STENCIL
;
598 struct pipe_resource
**zsbuf
;
599 enum pipe_format format
;
602 dri_drawable_get_format(drawable
, statt
, &format
, &bind
);
605 templ
.format
= format
;
608 if (drawable
->stvis
.samples
> 1) {
609 templ
.nr_samples
= drawable
->stvis
.samples
;
610 zsbuf
= &drawable
->msaa_textures
[statt
];
613 templ
.nr_samples
= 0;
614 zsbuf
= &drawable
->textures
[statt
];
617 /* Try to reuse the resource.
618 * (the other resource parameters should be constant)
621 (*zsbuf
)->width0
!= templ
.width0
||
622 (*zsbuf
)->height0
!= templ
.height0
) {
623 /* Allocate a new one. */
624 pipe_resource_reference(zsbuf
, NULL
);
625 *zsbuf
= screen
->base
.screen
->resource_create(screen
->base
.screen
,
631 pipe_resource_reference(&drawable
->msaa_textures
[statt
], NULL
);
632 pipe_resource_reference(&drawable
->textures
[statt
], NULL
);
636 /* For DRI2, we may get the same buffers again from the server.
637 * To prevent useless imports of gem names, drawable->old* is used
638 * to bypass the import if we get the same buffers. This doesn't apply
639 * to DRI3/Wayland, users of image.loader, since the buffer is managed
640 * by the client (no import), and the back buffer is going to change
644 drawable
->old_num
= num_buffers
;
645 drawable
->old_w
= dri_drawable
->w
;
646 drawable
->old_h
= dri_drawable
->h
;
647 memcpy(drawable
->old
, buffers
, sizeof(__DRIbuffer
) * num_buffers
);
652 dri2_flush_frontbuffer(struct dri_context
*ctx
,
653 struct dri_drawable
*drawable
,
654 enum st_attachment_type statt
)
656 __DRIdrawable
*dri_drawable
= drawable
->dPriv
;
657 const __DRIimageLoaderExtension
*image
= drawable
->sPriv
->image
.loader
;
658 const __DRIdri2LoaderExtension
*loader
= drawable
->sPriv
->dri2
.loader
;
659 struct pipe_context
*pipe
= ctx
->st
->pipe
;
661 if (statt
!= ST_ATTACHMENT_FRONT_LEFT
)
664 if (drawable
->stvis
.samples
> 1) {
665 /* Resolve the front buffer. */
666 dri_pipe_blit(ctx
->st
->pipe
,
667 drawable
->textures
[ST_ATTACHMENT_FRONT_LEFT
],
668 drawable
->msaa_textures
[ST_ATTACHMENT_FRONT_LEFT
]);
671 if (drawable
->textures
[ST_ATTACHMENT_FRONT_LEFT
]) {
672 pipe
->flush_resource(pipe
, drawable
->textures
[ST_ATTACHMENT_FRONT_LEFT
]);
675 pipe
->flush(pipe
, NULL
, 0);
678 image
->flushFrontBuffer(dri_drawable
, dri_drawable
->loaderPrivate
);
680 else if (loader
->flushFrontBuffer
) {
681 loader
->flushFrontBuffer(dri_drawable
, dri_drawable
->loaderPrivate
);
686 dri2_update_tex_buffer(struct dri_drawable
*drawable
,
687 struct dri_context
*ctx
,
688 struct pipe_resource
*res
)
694 dri2_lookup_egl_image(struct dri_screen
*screen
, void *handle
)
696 const __DRIimageLookupExtension
*loader
= screen
->sPriv
->dri2
.image
;
699 if (!loader
->lookupEGLImage
)
702 img
= loader
->lookupEGLImage(screen
->sPriv
,
703 handle
, screen
->sPriv
->loaderPrivate
);
709 dri2_create_image_from_winsys(__DRIscreen
*_screen
,
710 int width
, int height
, int format
,
711 struct winsys_handle
*whandle
, int pitch
,
714 struct dri_screen
*screen
= dri_screen(_screen
);
716 struct pipe_resource templ
;
720 tex_usage
= PIPE_BIND_RENDER_TARGET
| PIPE_BIND_SAMPLER_VIEW
;
723 case __DRI_IMAGE_FORMAT_RGB565
:
724 pf
= PIPE_FORMAT_B5G6R5_UNORM
;
726 case __DRI_IMAGE_FORMAT_XRGB8888
:
727 pf
= PIPE_FORMAT_BGRX8888_UNORM
;
729 case __DRI_IMAGE_FORMAT_ARGB8888
:
730 pf
= PIPE_FORMAT_BGRA8888_UNORM
;
732 case __DRI_IMAGE_FORMAT_ABGR8888
:
733 pf
= PIPE_FORMAT_RGBA8888_UNORM
;
736 pf
= PIPE_FORMAT_NONE
;
739 if (pf
== PIPE_FORMAT_NONE
)
742 img
= CALLOC_STRUCT(__DRIimageRec
);
746 memset(&templ
, 0, sizeof(templ
));
747 templ
.bind
= tex_usage
;
749 templ
.target
= screen
->target
;
750 templ
.last_level
= 0;
751 templ
.width0
= width
;
752 templ
.height0
= height
;
754 templ
.array_size
= 1;
756 whandle
->stride
= pitch
* util_format_get_blocksize(pf
);
758 img
->texture
= screen
->base
.screen
->resource_from_handle(screen
->base
.screen
,
767 img
->dri_format
= format
;
768 img
->loader_private
= loaderPrivate
;
774 dri2_create_image_from_name(__DRIscreen
*_screen
,
775 int width
, int height
, int format
,
776 int name
, int pitch
, void *loaderPrivate
)
778 struct winsys_handle whandle
;
780 memset(&whandle
, 0, sizeof(whandle
));
781 whandle
.type
= DRM_API_HANDLE_TYPE_SHARED
;
782 whandle
.handle
= name
;
784 return dri2_create_image_from_winsys(_screen
, width
, height
, format
,
785 &whandle
, pitch
, loaderPrivate
);
789 dri2_create_image_from_fd(__DRIscreen
*_screen
,
790 int width
, int height
, int format
,
791 int fd
, int pitch
, void *loaderPrivate
)
793 struct winsys_handle whandle
;
798 memset(&whandle
, 0, sizeof(whandle
));
799 whandle
.type
= DRM_API_HANDLE_TYPE_FD
;
800 whandle
.handle
= (unsigned)fd
;
802 return dri2_create_image_from_winsys(_screen
, width
, height
, format
,
803 &whandle
, pitch
, loaderPrivate
);
807 dri2_create_image_from_renderbuffer(__DRIcontext
*context
,
808 int renderbuffer
, void *loaderPrivate
)
810 struct dri_context
*ctx
= dri_context(context
);
812 if (!ctx
->st
->get_resource_for_egl_image
)
820 dri2_create_image(__DRIscreen
*_screen
,
821 int width
, int height
, int format
,
822 unsigned int use
, void *loaderPrivate
)
824 struct dri_screen
*screen
= dri_screen(_screen
);
826 struct pipe_resource templ
;
830 tex_usage
= PIPE_BIND_RENDER_TARGET
| PIPE_BIND_SAMPLER_VIEW
;
831 if (use
& __DRI_IMAGE_USE_SCANOUT
)
832 tex_usage
|= PIPE_BIND_SCANOUT
;
833 if (use
& __DRI_IMAGE_USE_SHARE
)
834 tex_usage
|= PIPE_BIND_SHARED
;
835 if (use
& __DRI_IMAGE_USE_LINEAR
)
836 tex_usage
|= PIPE_BIND_LINEAR
;
837 if (use
& __DRI_IMAGE_USE_CURSOR
) {
838 if (width
!= 64 || height
!= 64)
840 tex_usage
|= PIPE_BIND_CURSOR
;
844 case __DRI_IMAGE_FORMAT_RGB565
:
845 pf
= PIPE_FORMAT_B5G6R5_UNORM
;
847 case __DRI_IMAGE_FORMAT_XRGB8888
:
848 pf
= PIPE_FORMAT_BGRX8888_UNORM
;
850 case __DRI_IMAGE_FORMAT_ARGB8888
:
851 pf
= PIPE_FORMAT_BGRA8888_UNORM
;
853 case __DRI_IMAGE_FORMAT_ABGR8888
:
854 pf
= PIPE_FORMAT_RGBA8888_UNORM
;
857 pf
= PIPE_FORMAT_NONE
;
860 if (pf
== PIPE_FORMAT_NONE
)
863 img
= CALLOC_STRUCT(__DRIimageRec
);
867 memset(&templ
, 0, sizeof(templ
));
868 templ
.bind
= tex_usage
;
870 templ
.target
= PIPE_TEXTURE_2D
;
871 templ
.last_level
= 0;
872 templ
.width0
= width
;
873 templ
.height0
= height
;
875 templ
.array_size
= 1;
877 img
->texture
= screen
->base
.screen
->resource_create(screen
->base
.screen
, &templ
);
885 img
->dri_format
= format
;
886 img
->dri_components
= 0;
888 img
->loader_private
= loaderPrivate
;
893 dri2_query_image(__DRIimage
*image
, int attrib
, int *value
)
895 struct winsys_handle whandle
;
896 memset(&whandle
, 0, sizeof(whandle
));
899 case __DRI_IMAGE_ATTRIB_STRIDE
:
900 whandle
.type
= DRM_API_HANDLE_TYPE_KMS
;
901 image
->texture
->screen
->resource_get_handle(image
->texture
->screen
,
902 image
->texture
, &whandle
);
903 *value
= whandle
.stride
;
905 case __DRI_IMAGE_ATTRIB_HANDLE
:
906 whandle
.type
= DRM_API_HANDLE_TYPE_KMS
;
907 image
->texture
->screen
->resource_get_handle(image
->texture
->screen
,
908 image
->texture
, &whandle
);
909 *value
= whandle
.handle
;
911 case __DRI_IMAGE_ATTRIB_NAME
:
912 whandle
.type
= DRM_API_HANDLE_TYPE_SHARED
;
913 image
->texture
->screen
->resource_get_handle(image
->texture
->screen
,
914 image
->texture
, &whandle
);
915 *value
= whandle
.handle
;
917 case __DRI_IMAGE_ATTRIB_FD
:
918 whandle
.type
= DRM_API_HANDLE_TYPE_FD
;
919 image
->texture
->screen
->resource_get_handle(image
->texture
->screen
,
920 image
->texture
, &whandle
);
921 *value
= whandle
.handle
;
923 case __DRI_IMAGE_ATTRIB_FORMAT
:
924 *value
= image
->dri_format
;
926 case __DRI_IMAGE_ATTRIB_WIDTH
:
927 *value
= image
->texture
->width0
;
929 case __DRI_IMAGE_ATTRIB_HEIGHT
:
930 *value
= image
->texture
->height0
;
932 case __DRI_IMAGE_ATTRIB_COMPONENTS
:
933 if (image
->dri_components
== 0)
935 *value
= image
->dri_components
;
937 case __DRI_IMAGE_ATTRIB_FOURCC
:
938 *value
= convert_to_fourcc(image
->dri_format
);
940 case __DRI_IMAGE_ATTRIB_NUM_PLANES
:
949 dri2_dup_image(__DRIimage
*image
, void *loaderPrivate
)
953 img
= CALLOC_STRUCT(__DRIimageRec
);
958 pipe_resource_reference(&img
->texture
, image
->texture
);
959 img
->level
= image
->level
;
960 img
->layer
= image
->layer
;
961 img
->dri_format
= image
->dri_format
;
962 /* This should be 0 for sub images, but dup is also used for base images. */
963 img
->dri_components
= image
->dri_components
;
964 img
->loader_private
= loaderPrivate
;
970 dri2_validate_usage(__DRIimage
*image
, unsigned int use
)
973 * Gallium drivers are bad at adding usages to the resources
974 * once opened again in another process, which is the main use
975 * case for this, so we have to lie.
984 dri2_from_names(__DRIscreen
*screen
, int width
, int height
, int format
,
985 int *names
, int num_names
, int *strides
, int *offsets
,
989 int stride
, dri_components
;
996 format
= convert_fourcc(format
, &dri_components
);
1000 /* Strides are in bytes not pixels. */
1001 stride
= strides
[0] /4;
1003 img
= dri2_create_image_from_name(screen
, width
, height
, format
,
1004 names
[0], stride
, loaderPrivate
);
1008 img
->dri_components
= dri_components
;
1013 dri2_from_planar(__DRIimage
*image
, int plane
, void *loaderPrivate
)
1020 if (image
->dri_components
== 0)
1023 img
= dri2_dup_image(image
, loaderPrivate
);
1027 /* set this to 0 for sub images. */
1028 img
->dri_components
= 0;
1033 dri2_create_from_texture(__DRIcontext
*context
, int target
, unsigned texture
,
1034 int depth
, int level
, unsigned *error
,
1035 void *loaderPrivate
)
1038 struct gl_context
*ctx
= ((struct st_context
*)dri_context(context
)->st
)->ctx
;
1039 struct gl_texture_object
*obj
;
1040 struct pipe_resource
*tex
;
1043 obj
= _mesa_lookup_texture(ctx
, texture
);
1044 if (!obj
|| obj
->Target
!= target
) {
1045 *error
= __DRI_IMAGE_ERROR_BAD_PARAMETER
;
1049 tex
= st_get_texobj_resource(obj
);
1051 *error
= __DRI_IMAGE_ERROR_BAD_PARAMETER
;
1055 if (target
== GL_TEXTURE_CUBE_MAP
)
1058 _mesa_test_texobj_completeness(ctx
, obj
);
1059 if (!obj
->_BaseComplete
|| (level
> 0 && !obj
->_MipmapComplete
)) {
1060 *error
= __DRI_IMAGE_ERROR_BAD_PARAMETER
;
1064 if (level
< obj
->BaseLevel
|| level
> obj
->_MaxLevel
) {
1065 *error
= __DRI_IMAGE_ERROR_BAD_MATCH
;
1069 if (target
== GL_TEXTURE_3D
&& obj
->Image
[face
][level
]->Depth
< depth
) {
1070 *error
= __DRI_IMAGE_ERROR_BAD_MATCH
;
1074 img
= CALLOC_STRUCT(__DRIimageRec
);
1076 *error
= __DRI_IMAGE_ERROR_BAD_ALLOC
;
1082 img
->dri_format
= driGLFormatToImageFormat(obj
->Image
[face
][level
]->TexFormat
);
1084 img
->loader_private
= loaderPrivate
;
1086 if (img
->dri_format
== __DRI_IMAGE_FORMAT_NONE
) {
1087 *error
= __DRI_IMAGE_ERROR_BAD_PARAMETER
;
1092 pipe_resource_reference(&img
->texture
, tex
);
1094 *error
= __DRI_IMAGE_ERROR_SUCCESS
;
1099 dri2_from_fds(__DRIscreen
*screen
, int width
, int height
, int fourcc
,
1100 int *fds
, int num_fds
, int *strides
, int *offsets
,
1101 void *loaderPrivate
)
1104 int format
, stride
, dri_components
;
1108 if (offsets
[0] != 0)
1111 format
= convert_fourcc(fourcc
, &dri_components
);
1115 /* Strides are in bytes not pixels. */
1116 stride
= strides
[0] /4;
1118 img
= dri2_create_image_from_fd(screen
, width
, height
, format
,
1119 fds
[0], stride
, loaderPrivate
);
1123 img
->dri_components
= dri_components
;
1128 dri2_from_dma_bufs(__DRIscreen
*screen
,
1129 int width
, int height
, int fourcc
,
1130 int *fds
, int num_fds
,
1131 int *strides
, int *offsets
,
1132 enum __DRIYUVColorSpace yuv_color_space
,
1133 enum __DRISampleRange sample_range
,
1134 enum __DRIChromaSiting horizontal_siting
,
1135 enum __DRIChromaSiting vertical_siting
,
1137 void *loaderPrivate
)
1140 int format
, stride
, dri_components
;
1142 if (num_fds
!= 1 || offsets
[0] != 0) {
1143 *error
= __DRI_IMAGE_ERROR_BAD_MATCH
;
1147 format
= convert_fourcc(fourcc
, &dri_components
);
1149 *error
= __DRI_IMAGE_ERROR_BAD_MATCH
;
1153 /* Strides are in bytes not pixels. */
1154 stride
= strides
[0] /4;
1156 img
= dri2_create_image_from_fd(screen
, width
, height
, format
,
1157 fds
[0], stride
, loaderPrivate
);
1159 *error
= __DRI_IMAGE_ERROR_BAD_ALLOC
;
1163 img
->yuv_color_space
= yuv_color_space
;
1164 img
->sample_range
= sample_range
;
1165 img
->horizontal_siting
= horizontal_siting
;
1166 img
->vertical_siting
= vertical_siting
;
1167 img
->dri_components
= dri_components
;
1169 *error
= __DRI_IMAGE_ERROR_SUCCESS
;
1174 dri2_blit_image(__DRIcontext
*context
, __DRIimage
*dst
, __DRIimage
*src
,
1175 int dstx0
, int dsty0
, int dstwidth
, int dstheight
,
1176 int srcx0
, int srcy0
, int srcwidth
, int srcheight
,
1179 struct dri_context
*ctx
= dri_context(context
);
1180 struct pipe_context
*pipe
= ctx
->st
->pipe
;
1181 struct pipe_screen
*screen
;
1182 struct pipe_fence_handle
*fence
;
1183 struct pipe_blit_info blit
;
1188 memset(&blit
, 0, sizeof(blit
));
1189 blit
.dst
.resource
= dst
->texture
;
1190 blit
.dst
.box
.x
= dstx0
;
1191 blit
.dst
.box
.y
= dsty0
;
1192 blit
.dst
.box
.width
= dstwidth
;
1193 blit
.dst
.box
.height
= dstheight
;
1194 blit
.dst
.box
.depth
= 1;
1195 blit
.dst
.format
= dst
->texture
->format
;
1196 blit
.src
.resource
= src
->texture
;
1197 blit
.src
.box
.x
= srcx0
;
1198 blit
.src
.box
.y
= srcy0
;
1199 blit
.src
.box
.width
= srcwidth
;
1200 blit
.src
.box
.height
= srcheight
;
1201 blit
.src
.box
.depth
= 1;
1202 blit
.src
.format
= src
->texture
->format
;
1203 blit
.mask
= PIPE_MASK_RGBA
;
1204 blit
.filter
= PIPE_TEX_FILTER_NEAREST
;
1206 pipe
->blit(pipe
, &blit
);
1208 if (flush_flag
== __BLIT_FLAG_FLUSH
) {
1209 pipe
->flush_resource(pipe
, dst
->texture
);
1210 ctx
->st
->flush(ctx
->st
, 0, NULL
);
1211 } else if (flush_flag
== __BLIT_FLAG_FINISH
) {
1212 screen
= dri_screen(ctx
->sPriv
)->base
.screen
;
1213 pipe
->flush_resource(pipe
, dst
->texture
);
1214 ctx
->st
->flush(ctx
->st
, 0, &fence
);
1215 (void) screen
->fence_finish(screen
, fence
, PIPE_TIMEOUT_INFINITE
);
1216 screen
->fence_reference(screen
, &fence
, NULL
);
1221 dri2_destroy_image(__DRIimage
*img
)
1223 pipe_resource_reference(&img
->texture
, NULL
);
1228 dri2_get_capabilities(__DRIscreen
*_screen
)
1230 struct dri_screen
*screen
= dri_screen(_screen
);
1232 return (screen
->can_share_buffer
? __DRI_IMAGE_CAP_GLOBAL_NAMES
: 0);
1235 /* The extension is modified during runtime if DRI_PRIME is detected */
1236 static __DRIimageExtension dri2ImageExtension
= {
1237 .base
= { __DRI_IMAGE
, 11 },
1239 .createImageFromName
= dri2_create_image_from_name
,
1240 .createImageFromRenderbuffer
= dri2_create_image_from_renderbuffer
,
1241 .destroyImage
= dri2_destroy_image
,
1242 .createImage
= dri2_create_image
,
1243 .queryImage
= dri2_query_image
,
1244 .dupImage
= dri2_dup_image
,
1245 .validateUsage
= dri2_validate_usage
,
1246 .createImageFromNames
= dri2_from_names
,
1247 .fromPlanar
= dri2_from_planar
,
1248 .createImageFromTexture
= dri2_create_from_texture
,
1249 .createImageFromFds
= NULL
,
1250 .createImageFromDmaBufs
= NULL
,
1251 .blitImage
= dri2_blit_image
,
1252 .getCapabilities
= dri2_get_capabilities
,
1257 dri2_is_opencl_interop_loaded_locked(struct dri_screen
*screen
)
1259 return screen
->opencl_dri_event_add_ref
&&
1260 screen
->opencl_dri_event_release
&&
1261 screen
->opencl_dri_event_wait
&&
1262 screen
->opencl_dri_event_get_fence
;
1266 dri2_load_opencl_interop(struct dri_screen
*screen
)
1268 #if defined(RTLD_DEFAULT)
1271 pipe_mutex_lock(screen
->opencl_func_mutex
);
1273 if (dri2_is_opencl_interop_loaded_locked(screen
)) {
1274 pipe_mutex_unlock(screen
->opencl_func_mutex
);
1278 screen
->opencl_dri_event_add_ref
=
1279 dlsym(RTLD_DEFAULT
, "opencl_dri_event_add_ref");
1280 screen
->opencl_dri_event_release
=
1281 dlsym(RTLD_DEFAULT
, "opencl_dri_event_release");
1282 screen
->opencl_dri_event_wait
=
1283 dlsym(RTLD_DEFAULT
, "opencl_dri_event_wait");
1284 screen
->opencl_dri_event_get_fence
=
1285 dlsym(RTLD_DEFAULT
, "opencl_dri_event_get_fence");
1287 success
= dri2_is_opencl_interop_loaded_locked(screen
);
1288 pipe_mutex_unlock(screen
->opencl_func_mutex
);
1296 struct dri_screen
*driscreen
;
1297 struct pipe_fence_handle
*pipe_fence
;
1302 dri2_create_fence(__DRIcontext
*_ctx
)
1304 struct pipe_context
*ctx
= dri_context(_ctx
)->st
->pipe
;
1305 struct dri2_fence
*fence
= CALLOC_STRUCT(dri2_fence
);
1310 ctx
->flush(ctx
, &fence
->pipe_fence
, 0);
1312 if (!fence
->pipe_fence
) {
1317 fence
->driscreen
= dri_screen(_ctx
->driScreenPriv
);
1322 dri2_get_fence_from_cl_event(__DRIscreen
*_screen
, intptr_t cl_event
)
1324 struct dri_screen
*driscreen
= dri_screen(_screen
);
1325 struct dri2_fence
*fence
;
1327 if (!dri2_load_opencl_interop(driscreen
))
1330 fence
= CALLOC_STRUCT(dri2_fence
);
1334 fence
->cl_event
= (void*)cl_event
;
1336 if (!driscreen
->opencl_dri_event_add_ref(fence
->cl_event
)) {
1341 fence
->driscreen
= driscreen
;
1346 dri2_destroy_fence(__DRIscreen
*_screen
, void *_fence
)
1348 struct dri_screen
*driscreen
= dri_screen(_screen
);
1349 struct pipe_screen
*screen
= driscreen
->base
.screen
;
1350 struct dri2_fence
*fence
= (struct dri2_fence
*)_fence
;
1352 if (fence
->pipe_fence
)
1353 screen
->fence_reference(screen
, &fence
->pipe_fence
, NULL
);
1354 else if (fence
->cl_event
)
1355 driscreen
->opencl_dri_event_release(fence
->cl_event
);
1363 dri2_client_wait_sync(__DRIcontext
*_ctx
, void *_fence
, unsigned flags
,
1366 struct dri2_fence
*fence
= (struct dri2_fence
*)_fence
;
1367 struct dri_screen
*driscreen
= fence
->driscreen
;
1368 struct pipe_screen
*screen
= driscreen
->base
.screen
;
1370 /* No need to flush. The context was flushed when the fence was created. */
1372 if (fence
->pipe_fence
)
1373 return screen
->fence_finish(screen
, fence
->pipe_fence
, timeout
);
1374 else if (fence
->cl_event
) {
1375 struct pipe_fence_handle
*pipe_fence
=
1376 driscreen
->opencl_dri_event_get_fence(fence
->cl_event
);
1379 return screen
->fence_finish(screen
, pipe_fence
, timeout
);
1381 return driscreen
->opencl_dri_event_wait(fence
->cl_event
, timeout
);
1390 dri2_server_wait_sync(__DRIcontext
*_ctx
, void *_fence
, unsigned flags
)
1392 /* AFAIK, no driver currently supports parallel context execution. */
1395 static __DRI2fenceExtension dri2FenceExtension
= {
1396 .base
= { __DRI2_FENCE
, 1 },
1398 .create_fence
= dri2_create_fence
,
1399 .get_fence_from_cl_event
= dri2_get_fence_from_cl_event
,
1400 .destroy_fence
= dri2_destroy_fence
,
1401 .client_wait_sync
= dri2_client_wait_sync
,
1402 .server_wait_sync
= dri2_server_wait_sync
1405 static const __DRIrobustnessExtension dri2Robustness
= {
1406 .base
= { __DRI2_ROBUSTNESS
, 1 }
1410 * Backend function init_screen.
1413 static const __DRIextension
*dri_screen_extensions
[] = {
1414 &driTexBufferExtension
.base
,
1415 &dri2FlushExtension
.base
,
1416 &dri2ImageExtension
.base
,
1417 &dri2RendererQueryExtension
.base
,
1418 &dri2ConfigQueryExtension
.base
,
1419 &dri2ThrottleExtension
.base
,
1420 &dri2FenceExtension
.base
,
1424 static const __DRIextension
*dri_robust_screen_extensions
[] = {
1425 &driTexBufferExtension
.base
,
1426 &dri2FlushExtension
.base
,
1427 &dri2ImageExtension
.base
,
1428 &dri2RendererQueryExtension
.base
,
1429 &dri2ConfigQueryExtension
.base
,
1430 &dri2ThrottleExtension
.base
,
1431 &dri2FenceExtension
.base
,
1432 &dri2Robustness
.base
,
1437 * This is the driver specific part of the createNewScreen entry point.
1439 * Returns the struct gl_config supported by this driver.
1441 static const __DRIconfig
**
1442 dri2_init_screen(__DRIscreen
* sPriv
)
1444 const __DRIconfig
**configs
;
1445 struct dri_screen
*screen
;
1446 struct pipe_screen
*pscreen
= NULL
;
1447 const struct drm_conf_ret
*throttle_ret
= NULL
;
1448 const struct drm_conf_ret
*dmabuf_ret
= NULL
;
1450 screen
= CALLOC_STRUCT(dri_screen
);
1454 screen
->sPriv
= sPriv
;
1455 screen
->fd
= sPriv
->fd
;
1456 pipe_mutex_init(screen
->opencl_func_mutex
);
1458 sPriv
->driverPrivate
= (void *)screen
;
1460 #if GALLIUM_STATIC_TARGETS
1461 pscreen
= dd_create_screen(screen
->fd
);
1463 throttle_ret
= dd_configuration(DRM_CONF_THROTTLE
);
1464 dmabuf_ret
= dd_configuration(DRM_CONF_SHARE_FD
);
1466 if (pipe_loader_drm_probe_fd(&screen
->dev
, screen
->fd
)) {
1467 pscreen
= pipe_loader_create_screen(screen
->dev
, PIPE_SEARCH_DIR
);
1469 throttle_ret
= pipe_loader_configuration(screen
->dev
, DRM_CONF_THROTTLE
);
1470 dmabuf_ret
= pipe_loader_configuration(screen
->dev
, DRM_CONF_SHARE_FD
);
1472 #endif // GALLIUM_STATIC_TARGETS
1474 if (throttle_ret
&& throttle_ret
->val
.val_int
!= -1) {
1475 screen
->throttling_enabled
= TRUE
;
1476 screen
->default_throttle_frames
= throttle_ret
->val
.val_int
;
1479 if (dmabuf_ret
&& dmabuf_ret
->val
.val_bool
) {
1482 if (drmGetCap(sPriv
->fd
, DRM_CAP_PRIME
, &cap
) == 0 &&
1483 (cap
& DRM_PRIME_CAP_IMPORT
)) {
1484 dri2ImageExtension
.createImageFromFds
= dri2_from_fds
;
1485 dri2ImageExtension
.createImageFromDmaBufs
= dri2_from_dma_bufs
;
1489 if (pscreen
&& pscreen
->get_param(pscreen
, PIPE_CAP_DEVICE_RESET_STATUS_QUERY
)) {
1490 sPriv
->extensions
= dri_robust_screen_extensions
;
1491 screen
->has_reset_status_query
= true;
1494 sPriv
->extensions
= dri_screen_extensions
;
1496 /* dri_init_screen_helper checks pscreen for us */
1498 #if GALLIUM_STATIC_TARGETS
1499 configs
= dri_init_screen_helper(screen
, pscreen
, dd_driver_name());
1501 configs
= dri_init_screen_helper(screen
, pscreen
, screen
->dev
->driver_name
);
1502 #endif // GALLIUM_STATIC_TARGETS
1506 screen
->can_share_buffer
= true;
1507 screen
->auto_fake_front
= dri_with_format(sPriv
);
1508 screen
->broken_invalidate
= !sPriv
->dri2
.useInvalidate
;
1509 screen
->lookup_egl_image
= dri2_lookup_egl_image
;
1513 dri_destroy_screen_helper(screen
);
1514 #if !GALLIUM_STATIC_TARGETS
1516 pipe_loader_release(&screen
->dev
, 1);
1517 #endif // !GALLIUM_STATIC_TARGETS
1523 * This is the driver specific part of the createNewScreen entry point.
1525 * Returns the struct gl_config supported by this driver.
1527 static const __DRIconfig
**
1528 dri_kms_init_screen(__DRIscreen
* sPriv
)
1530 #if GALLIUM_STATIC_TARGETS
1531 #if defined(GALLIUM_SOFTPIPE)
1532 const __DRIconfig
**configs
;
1533 struct dri_screen
*screen
;
1534 struct pipe_screen
*pscreen
= NULL
;
1537 screen
= CALLOC_STRUCT(dri_screen
);
1541 screen
->sPriv
= sPriv
;
1542 screen
->fd
= sPriv
->fd
;
1544 sPriv
->driverPrivate
= (void *)screen
;
1546 pscreen
= kms_swrast_create_screen(screen
->fd
);
1548 if (drmGetCap(sPriv
->fd
, DRM_CAP_PRIME
, &cap
) == 0 &&
1549 (cap
& DRM_PRIME_CAP_IMPORT
)) {
1550 dri2ImageExtension
.createImageFromFds
= dri2_from_fds
;
1551 dri2ImageExtension
.createImageFromDmaBufs
= dri2_from_dma_bufs
;
1554 sPriv
->extensions
= dri_screen_extensions
;
1556 /* dri_init_screen_helper checks pscreen for us */
1557 configs
= dri_init_screen_helper(screen
, pscreen
, "swrast");
1561 screen
->can_share_buffer
= false;
1562 screen
->auto_fake_front
= dri_with_format(sPriv
);
1563 screen
->broken_invalidate
= !sPriv
->dri2
.useInvalidate
;
1564 screen
->lookup_egl_image
= dri2_lookup_egl_image
;
1568 dri_destroy_screen_helper(screen
);
1570 #endif // GALLIUM_SOFTPIPE
1571 #endif // GALLIUM_STATIC_TARGETS
1576 dri2_create_buffer(__DRIscreen
* sPriv
,
1577 __DRIdrawable
* dPriv
,
1578 const struct gl_config
* visual
, boolean isPixmap
)
1580 struct dri_drawable
*drawable
= NULL
;
1582 if (!dri_create_buffer(sPriv
, dPriv
, visual
, isPixmap
))
1585 drawable
= dPriv
->driverPrivate
;
1587 drawable
->allocate_textures
= dri2_allocate_textures
;
1588 drawable
->flush_frontbuffer
= dri2_flush_frontbuffer
;
1589 drawable
->update_tex_buffer
= dri2_update_tex_buffer
;
1595 * DRI driver virtual function table.
1597 * DRI versions differ in their implementation of init_screen and swap_buffers.
1599 const struct __DriverAPIRec galliumdrm_driver_api
= {
1600 .InitScreen
= dri2_init_screen
,
1601 .DestroyScreen
= dri_destroy_screen
,
1602 .CreateContext
= dri_create_context
,
1603 .DestroyContext
= dri_destroy_context
,
1604 .CreateBuffer
= dri2_create_buffer
,
1605 .DestroyBuffer
= dri_destroy_buffer
,
1606 .MakeCurrent
= dri_make_current
,
1607 .UnbindContext
= dri_unbind_context
,
1609 .AllocateBuffer
= dri2_allocate_buffer
,
1610 .ReleaseBuffer
= dri2_release_buffer
,
1614 * DRI driver virtual function table.
1616 * KMS/DRM version of the DriverAPI above sporting a different InitScreen
1617 * hook. The latter is used to explicitly initialise the kms_swrast driver
1618 * rather than selecting the approapriate driver as suggested by the loader.
1620 const struct __DriverAPIRec dri_kms_driver_api
= {
1621 .InitScreen
= dri_kms_init_screen
,
1622 .DestroyScreen
= dri_destroy_screen
,
1623 .CreateContext
= dri_create_context
,
1624 .DestroyContext
= dri_destroy_context
,
1625 .CreateBuffer
= dri2_create_buffer
,
1626 .DestroyBuffer
= dri_destroy_buffer
,
1627 .MakeCurrent
= dri_make_current
,
1628 .UnbindContext
= dri_unbind_context
,
1630 .AllocateBuffer
= dri2_allocate_buffer
,
1631 .ReleaseBuffer
= dri2_release_buffer
,
1634 /* This is the table of extensions that the loader will dlsym() for. */
1635 const __DRIextension
*galliumdrm_driver_extensions
[] = {
1636 &driCoreExtension
.base
,
1637 &driImageDriverExtension
.base
,
1638 &driDRI2Extension
.base
,
1639 &gallium_config_options
.base
,
1643 /* vim: set sw=3 ts=8 sts=3 expandtab: */