2 * Mesa 3-D graphics library
5 * Copyright 2009, VMware, Inc.
7 * Copyright (C) 2010 LunarG Inc.
9 * Permission is hereby granted, free of charge, to any person obtaining a
10 * copy of this software and associated documentation files (the "Software"),
11 * to deal in the Software without restriction, including without limitation
12 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
13 * and/or sell copies of the Software, and to permit persons to whom the
14 * Software is furnished to do so, subject to the following conditions:
16 * The above copyright notice and this permission notice shall be included
17 * in all copies or substantial portions of the Software.
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
22 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
23 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
24 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 * Keith Whitwell <keithw@vmware.com>
28 * Jakob Bornecrantz <wallbraker@gmail.com>
29 * Chia-I Wu <olv@lunarg.com>
32 #include "util/u_memory.h"
33 #include "util/u_inlines.h"
34 #include "util/u_format.h"
35 #include "util/u_debug.h"
36 #include "state_tracker/drm_driver.h"
38 #include "dri_screen.h"
39 #include "dri_context.h"
40 #include "dri_drawable.h"
41 #include "dri2_buffer.h"
44 * DRI2 flush extension.
47 dri2_flush_drawable(__DRIdrawable
*dPriv
)
49 struct dri_context
*ctx
= dri_get_current(dPriv
->driScreenPriv
);
50 struct dri_drawable
*drawable
= dri_drawable(dPriv
);
52 struct pipe_resource
*ptex
= drawable
->textures
[ST_ATTACHMENT_BACK_LEFT
];
55 if (ptex
&& ctx
->pp
&& drawable
->textures
[ST_ATTACHMENT_DEPTH_STENCIL
])
56 pp_run(ctx
->pp
, ptex
, ptex
, drawable
->textures
[ST_ATTACHMENT_DEPTH_STENCIL
]);
58 ctx
->st
->flush(ctx
->st
, 0, NULL
);
63 dri2_invalidate_drawable(__DRIdrawable
*dPriv
)
65 struct dri_drawable
*drawable
= dri_drawable(dPriv
);
67 dri2InvalidateDrawable(dPriv
);
68 drawable
->dPriv
->lastStamp
= drawable
->dPriv
->dri2
.stamp
;
70 p_atomic_inc(&drawable
->base
.stamp
);
73 static const __DRI2flushExtension dri2FlushExtension
= {
74 { __DRI2_FLUSH
, __DRI2_FLUSH_VERSION
},
76 dri2_invalidate_drawable
,
80 * Retrieve __DRIbuffer from the DRI loader.
83 dri2_drawable_get_buffers(struct dri_drawable
*drawable
,
84 const enum st_attachment_type
*statts
,
87 __DRIdrawable
*dri_drawable
= drawable
->dPriv
;
88 struct __DRIdri2LoaderExtensionRec
*loader
= drawable
->sPriv
->dri2
.loader
;
92 unsigned attachments
[10];
93 unsigned num_attachments
, i
;
96 with_format
= dri_with_format(drawable
->sPriv
);
100 /* for Xserver 1.6.0 (DRI2 version 1) we always need to ask for the front */
102 attachments
[num_attachments
++] = __DRI_BUFFER_FRONT_LEFT
;
104 for (i
= 0; i
< *count
; i
++) {
105 enum pipe_format format
;
109 dri_drawable_get_format(drawable
, statts
[i
], &format
, &bind
);
110 if (format
== PIPE_FORMAT_NONE
)
114 case ST_ATTACHMENT_FRONT_LEFT
:
118 att
= __DRI_BUFFER_FRONT_LEFT
;
120 case ST_ATTACHMENT_BACK_LEFT
:
121 att
= __DRI_BUFFER_BACK_LEFT
;
123 case ST_ATTACHMENT_FRONT_RIGHT
:
124 att
= __DRI_BUFFER_FRONT_RIGHT
;
126 case ST_ATTACHMENT_BACK_RIGHT
:
127 att
= __DRI_BUFFER_BACK_RIGHT
;
129 case ST_ATTACHMENT_DEPTH_STENCIL
:
130 att
= __DRI_BUFFER_DEPTH_STENCIL
;
137 bpp
= util_format_get_blocksizebits(format
);
140 attachments
[num_attachments
++] = att
;
142 attachments
[num_attachments
++] = bpp
;
148 num_attachments
/= 2;
149 buffers
= loader
->getBuffersWithFormat(dri_drawable
,
150 &dri_drawable
->w
, &dri_drawable
->h
,
151 attachments
, num_attachments
,
152 &num_buffers
, dri_drawable
->loaderPrivate
);
155 buffers
= loader
->getBuffers(dri_drawable
,
156 &dri_drawable
->w
, &dri_drawable
->h
,
157 attachments
, num_attachments
,
158 &num_buffers
, dri_drawable
->loaderPrivate
);
162 *count
= num_buffers
;
168 * Process __DRIbuffer and convert them into pipe_resources.
171 dri2_drawable_process_buffers(struct dri_drawable
*drawable
,
172 __DRIbuffer
*buffers
, unsigned count
)
174 struct dri_screen
*screen
= dri_screen(drawable
->sPriv
);
175 __DRIdrawable
*dri_drawable
= drawable
->dPriv
;
176 struct pipe_resource templ
;
177 struct winsys_handle whandle
;
178 boolean have_depth
= FALSE
;
181 if (drawable
->old_num
== count
&&
182 drawable
->old_w
== dri_drawable
->w
&&
183 drawable
->old_h
== dri_drawable
->h
&&
184 memcmp(drawable
->old
, buffers
, sizeof(__DRIbuffer
) * count
) == 0)
187 for (i
= 0; i
< ST_ATTACHMENT_COUNT
; i
++)
188 pipe_resource_reference(&drawable
->textures
[i
], NULL
);
190 memset(&templ
, 0, sizeof(templ
));
191 templ
.target
= screen
->target
;
192 templ
.last_level
= 0;
193 templ
.width0
= dri_drawable
->w
;
194 templ
.height0
= dri_drawable
->h
;
196 templ
.array_size
= 1;
198 memset(&whandle
, 0, sizeof(whandle
));
200 for (i
= 0; i
< count
; i
++) {
201 __DRIbuffer
*buf
= &buffers
[i
];
202 enum st_attachment_type statt
;
203 enum pipe_format format
;
205 switch (buf
->attachment
) {
206 case __DRI_BUFFER_FRONT_LEFT
:
207 if (!screen
->auto_fake_front
) {
208 statt
= ST_ATTACHMENT_INVALID
;
212 case __DRI_BUFFER_FAKE_FRONT_LEFT
:
213 statt
= ST_ATTACHMENT_FRONT_LEFT
;
215 case __DRI_BUFFER_BACK_LEFT
:
216 statt
= ST_ATTACHMENT_BACK_LEFT
;
218 case __DRI_BUFFER_DEPTH
:
219 case __DRI_BUFFER_DEPTH_STENCIL
:
220 case __DRI_BUFFER_STENCIL
:
221 /* use only the first depth/stencil buffer */
224 statt
= ST_ATTACHMENT_DEPTH_STENCIL
;
227 statt
= ST_ATTACHMENT_INVALID
;
231 statt
= ST_ATTACHMENT_INVALID
;
235 dri_drawable_get_format(drawable
, statt
, &format
, &bind
);
236 if (statt
== ST_ATTACHMENT_INVALID
|| format
== PIPE_FORMAT_NONE
)
239 templ
.format
= format
;
241 whandle
.handle
= buf
->name
;
242 whandle
.stride
= buf
->pitch
;
244 drawable
->textures
[statt
] =
245 screen
->base
.screen
->resource_from_handle(screen
->base
.screen
,
249 drawable
->old_num
= count
;
250 drawable
->old_w
= dri_drawable
->w
;
251 drawable
->old_h
= dri_drawable
->h
;
252 memcpy(drawable
->old
, buffers
, sizeof(__DRIbuffer
) * count
);
256 dri2_allocate_buffer(__DRIscreen
*sPriv
,
257 unsigned attachment
, unsigned format
,
258 int width
, int height
)
260 struct dri_screen
*screen
= dri_screen(sPriv
);
261 struct dri2_buffer
*buffer
;
262 struct pipe_resource templ
;
265 struct winsys_handle whandle
;
267 switch (attachment
) {
268 case __DRI_BUFFER_FRONT_LEFT
:
269 case __DRI_BUFFER_FAKE_FRONT_LEFT
:
270 bind
= PIPE_BIND_RENDER_TARGET
| PIPE_BIND_SAMPLER_VIEW
;
272 case __DRI_BUFFER_BACK_LEFT
:
273 bind
= PIPE_BIND_RENDER_TARGET
| PIPE_BIND_SAMPLER_VIEW
;
275 case __DRI_BUFFER_DEPTH
:
276 case __DRI_BUFFER_DEPTH_STENCIL
:
277 case __DRI_BUFFER_STENCIL
:
278 bind
= PIPE_BIND_DEPTH_STENCIL
; /* XXX sampler? */
284 pf
= PIPE_FORMAT_B8G8R8X8_UNORM
;
287 pf
= PIPE_FORMAT_Z16_UNORM
;
293 buffer
= CALLOC_STRUCT(dri2_buffer
);
297 memset(&templ
, 0, sizeof(templ
));
300 templ
.target
= PIPE_TEXTURE_2D
;
301 templ
.last_level
= 0;
302 templ
.width0
= width
;
303 templ
.height0
= height
;
305 templ
.array_size
= 1;
308 screen
->base
.screen
->resource_create(screen
->base
.screen
, &templ
);
309 if (!buffer
->resource
)
312 memset(&whandle
, 0, sizeof(whandle
));
313 whandle
.type
= DRM_API_HANDLE_TYPE_SHARED
;
314 screen
->base
.screen
->resource_get_handle(screen
->base
.screen
,
315 buffer
->resource
, &whandle
);
317 buffer
->base
.attachment
= attachment
;
318 buffer
->base
.name
= whandle
.handle
;
319 buffer
->base
.cpp
= util_format_get_blocksize(pf
);
320 buffer
->base
.pitch
= whandle
.stride
;
322 return &buffer
->base
;
326 dri2_release_buffer(__DRIscreen
*sPriv
, __DRIbuffer
*bPriv
)
328 struct dri2_buffer
*buffer
= dri2_buffer(bPriv
);
330 pipe_resource_reference(&buffer
->resource
, NULL
);
335 * Backend functions for st_framebuffer interface.
339 dri2_allocate_textures(struct dri_drawable
*drawable
,
340 const enum st_attachment_type
*statts
,
343 __DRIbuffer
*buffers
;
344 unsigned num_buffers
= count
;
346 buffers
= dri2_drawable_get_buffers(drawable
, statts
, &num_buffers
);
348 dri2_drawable_process_buffers(drawable
, buffers
, num_buffers
);
352 dri2_flush_frontbuffer(struct dri_drawable
*drawable
,
353 enum st_attachment_type statt
)
355 __DRIdrawable
*dri_drawable
= drawable
->dPriv
;
356 struct __DRIdri2LoaderExtensionRec
*loader
= drawable
->sPriv
->dri2
.loader
;
358 if (loader
->flushFrontBuffer
== NULL
)
361 if (statt
== ST_ATTACHMENT_FRONT_LEFT
) {
362 loader
->flushFrontBuffer(dri_drawable
, dri_drawable
->loaderPrivate
);
367 dri2_update_tex_buffer(struct dri_drawable
*drawable
,
368 struct dri_context
*ctx
,
369 struct pipe_resource
*res
)
375 dri2_lookup_egl_image(struct dri_screen
*screen
, void *handle
)
377 __DRIimageLookupExtension
*loader
= screen
->sPriv
->dri2
.image
;
380 if (!loader
->lookupEGLImage
)
383 img
= loader
->lookupEGLImage(screen
->sPriv
,
384 handle
, screen
->sPriv
->loaderPrivate
);
390 dri2_create_image_from_name(__DRIscreen
*_screen
,
391 int width
, int height
, int format
,
392 int name
, int pitch
, void *loaderPrivate
)
394 struct dri_screen
*screen
= dri_screen(_screen
);
396 struct pipe_resource templ
;
397 struct winsys_handle whandle
;
401 tex_usage
= PIPE_BIND_RENDER_TARGET
| PIPE_BIND_SAMPLER_VIEW
;
404 case __DRI_IMAGE_FORMAT_RGB565
:
405 pf
= PIPE_FORMAT_B5G6R5_UNORM
;
407 case __DRI_IMAGE_FORMAT_XRGB8888
:
408 pf
= PIPE_FORMAT_B8G8R8X8_UNORM
;
410 case __DRI_IMAGE_FORMAT_ARGB8888
:
411 pf
= PIPE_FORMAT_B8G8R8A8_UNORM
;
413 case __DRI_IMAGE_FORMAT_ABGR8888
:
414 pf
= PIPE_FORMAT_R8G8B8A8_UNORM
;
417 pf
= PIPE_FORMAT_NONE
;
420 if (pf
== PIPE_FORMAT_NONE
)
423 img
= CALLOC_STRUCT(__DRIimageRec
);
427 memset(&templ
, 0, sizeof(templ
));
428 templ
.bind
= tex_usage
;
430 templ
.target
= screen
->target
;
431 templ
.last_level
= 0;
432 templ
.width0
= width
;
433 templ
.height0
= height
;
435 templ
.array_size
= 1;
437 memset(&whandle
, 0, sizeof(whandle
));
438 whandle
.handle
= name
;
439 whandle
.stride
= pitch
* util_format_get_blocksize(pf
);
441 img
->texture
= screen
->base
.screen
->resource_from_handle(screen
->base
.screen
,
450 img
->loader_private
= loaderPrivate
;
456 dri2_create_image_from_renderbuffer(__DRIcontext
*context
,
457 int renderbuffer
, void *loaderPrivate
)
459 struct dri_context
*ctx
= dri_context(context
);
461 if (!ctx
->st
->get_resource_for_egl_image
)
469 dri2_create_image(__DRIscreen
*_screen
,
470 int width
, int height
, int format
,
471 unsigned int use
, void *loaderPrivate
)
473 struct dri_screen
*screen
= dri_screen(_screen
);
475 struct pipe_resource templ
;
479 tex_usage
= PIPE_BIND_RENDER_TARGET
| PIPE_BIND_SAMPLER_VIEW
;
480 if (use
& __DRI_IMAGE_USE_SCANOUT
)
481 tex_usage
|= PIPE_BIND_SCANOUT
;
482 if (use
& __DRI_IMAGE_USE_SHARE
)
483 tex_usage
|= PIPE_BIND_SHARED
;
484 if (use
& __DRI_IMAGE_USE_CURSOR
) {
485 if (width
!= 64 || height
!= 64)
487 tex_usage
|= PIPE_BIND_CURSOR
;
491 case __DRI_IMAGE_FORMAT_RGB565
:
492 pf
= PIPE_FORMAT_B5G6R5_UNORM
;
494 case __DRI_IMAGE_FORMAT_XRGB8888
:
495 pf
= PIPE_FORMAT_B8G8R8X8_UNORM
;
497 case __DRI_IMAGE_FORMAT_ARGB8888
:
498 pf
= PIPE_FORMAT_B8G8R8A8_UNORM
;
500 case __DRI_IMAGE_FORMAT_ABGR8888
:
501 pf
= PIPE_FORMAT_R8G8B8A8_UNORM
;
504 pf
= PIPE_FORMAT_NONE
;
507 if (pf
== PIPE_FORMAT_NONE
)
510 img
= CALLOC_STRUCT(__DRIimageRec
);
514 memset(&templ
, 0, sizeof(templ
));
515 templ
.bind
= tex_usage
;
517 templ
.target
= PIPE_TEXTURE_2D
;
518 templ
.last_level
= 0;
519 templ
.width0
= width
;
520 templ
.height0
= height
;
522 templ
.array_size
= 1;
524 img
->texture
= screen
->base
.screen
->resource_create(screen
->base
.screen
, &templ
);
533 img
->loader_private
= loaderPrivate
;
538 dri2_query_image(__DRIimage
*image
, int attrib
, int *value
)
540 struct winsys_handle whandle
;
541 memset(&whandle
, 0, sizeof(whandle
));
544 case __DRI_IMAGE_ATTRIB_STRIDE
:
545 image
->texture
->screen
->resource_get_handle(image
->texture
->screen
,
546 image
->texture
, &whandle
);
547 *value
= whandle
.stride
;
549 case __DRI_IMAGE_ATTRIB_HANDLE
:
550 whandle
.type
= DRM_API_HANDLE_TYPE_KMS
;
551 image
->texture
->screen
->resource_get_handle(image
->texture
->screen
,
552 image
->texture
, &whandle
);
553 *value
= whandle
.handle
;
555 case __DRI_IMAGE_ATTRIB_NAME
:
556 whandle
.type
= DRM_API_HANDLE_TYPE_SHARED
;
557 image
->texture
->screen
->resource_get_handle(image
->texture
->screen
,
558 image
->texture
, &whandle
);
559 *value
= whandle
.handle
;
567 dri2_dup_image(__DRIimage
*image
, void *loaderPrivate
)
571 img
= CALLOC_STRUCT(__DRIimageRec
);
576 pipe_resource_reference(&img
->texture
, image
->texture
);
577 img
->level
= image
->level
;
578 img
->layer
= image
->layer
;
579 img
->loader_private
= loaderPrivate
;
585 dri2_destroy_image(__DRIimage
*img
)
587 pipe_resource_reference(&img
->texture
, NULL
);
591 static struct __DRIimageExtensionRec dri2ImageExtension
= {
592 { __DRI_IMAGE
, __DRI_IMAGE_VERSION
},
593 dri2_create_image_from_name
,
594 dri2_create_image_from_renderbuffer
,
602 * Backend function init_screen.
605 static const __DRIextension
*dri_screen_extensions
[] = {
606 &driTexBufferExtension
.base
,
607 &dri2FlushExtension
.base
,
608 &dri2ImageExtension
.base
,
609 &dri2ConfigQueryExtension
.base
,
613 static const __DRIextension
*dri_screen_extensions_throttle
[] = {
614 &driTexBufferExtension
.base
,
615 &dri2FlushExtension
.base
,
616 &dri2ImageExtension
.base
,
617 &dri2ConfigQueryExtension
.base
,
618 &dri2ThrottleExtension
.base
,
623 * This is the driver specific part of the createNewScreen entry point.
625 * Returns the struct gl_config supported by this driver.
627 static const __DRIconfig
**
628 dri2_init_screen(__DRIscreen
* sPriv
)
630 const __DRIconfig
**configs
;
631 struct dri_screen
*screen
;
632 struct pipe_screen
*pscreen
;
633 const struct drm_conf_ret
*throttle_ret
= NULL
;
635 screen
= CALLOC_STRUCT(dri_screen
);
639 screen
->sPriv
= sPriv
;
640 screen
->fd
= sPriv
->fd
;
642 sPriv
->private = (void *)screen
;
644 pscreen
= driver_descriptor
.create_screen(screen
->fd
);
645 if (driver_descriptor
.configuration
)
646 throttle_ret
= driver_descriptor
.configuration(DRM_CONF_THROTTLE
);
648 if (throttle_ret
&& throttle_ret
->val
.val_int
!= -1) {
649 sPriv
->extensions
= dri_screen_extensions_throttle
;
650 screen
->default_throttle_frames
= throttle_ret
->val
.val_int
;
652 sPriv
->extensions
= dri_screen_extensions
;
654 /* dri_init_screen_helper checks pscreen for us */
656 configs
= dri_init_screen_helper(screen
, pscreen
, 32);
661 if (screen
->st_api
->profile_mask
& ST_PROFILE_DEFAULT_MASK
)
662 sPriv
->api_mask
|= 1 << __DRI_API_OPENGL
;
663 if (screen
->st_api
->profile_mask
& ST_PROFILE_OPENGL_ES1_MASK
)
664 sPriv
->api_mask
|= 1 << __DRI_API_GLES
;
665 if (screen
->st_api
->profile_mask
& ST_PROFILE_OPENGL_ES2_MASK
)
666 sPriv
->api_mask
|= 1 << __DRI_API_GLES2
;
668 screen
->auto_fake_front
= dri_with_format(sPriv
);
669 screen
->broken_invalidate
= !sPriv
->dri2
.useInvalidate
;
670 screen
->lookup_egl_image
= dri2_lookup_egl_image
;
674 dri_destroy_screen_helper(screen
);
680 dri2_create_buffer(__DRIscreen
* sPriv
,
681 __DRIdrawable
* dPriv
,
682 const struct gl_config
* visual
, boolean isPixmap
)
684 struct dri_drawable
*drawable
= NULL
;
686 if (!dri_create_buffer(sPriv
, dPriv
, visual
, isPixmap
))
689 drawable
= dPriv
->driverPrivate
;
691 drawable
->allocate_textures
= dri2_allocate_textures
;
692 drawable
->flush_frontbuffer
= dri2_flush_frontbuffer
;
693 drawable
->update_tex_buffer
= dri2_update_tex_buffer
;
699 * DRI driver virtual function table.
701 * DRI versions differ in their implementation of init_screen and swap_buffers.
703 const struct __DriverAPIRec driDriverAPI
= {
705 .InitScreen2
= dri2_init_screen
,
706 .DestroyScreen
= dri_destroy_screen
,
707 .CreateContext
= dri_create_context
,
708 .DestroyContext
= dri_destroy_context
,
709 .CreateBuffer
= dri2_create_buffer
,
710 .DestroyBuffer
= dri_destroy_buffer
,
711 .MakeCurrent
= dri_make_current
,
712 .UnbindContext
= dri_unbind_context
,
715 .GetDrawableMSC
= NULL
,
719 .CopySubBuffer
= NULL
,
721 .AllocateBuffer
= dri2_allocate_buffer
,
722 .ReleaseBuffer
= dri2_release_buffer
,
725 /* This is the table of extensions that the loader will dlsym() for. */
726 PUBLIC
const __DRIextension
*__driDriverExtensions
[] = {
727 &driCoreExtension
.base
,
728 &driDRI2Extension
.base
,
732 /* vim: set sw=3 ts=8 sts=3 expandtab: */