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"
43 * DRI2 flush extension.
46 dri2_flush_drawable(__DRIdrawable
*draw
)
51 dri2_invalidate_drawable(__DRIdrawable
*dPriv
)
53 struct dri_drawable
*drawable
= dri_drawable(dPriv
);
54 struct dri_context
*ctx
= dri_context(dPriv
->driContextPriv
);
56 dri2InvalidateDrawable(dPriv
);
57 drawable
->dPriv
->lastStamp
= *drawable
->dPriv
->pStamp
;
60 ctx
->st
->notify_invalid_framebuffer(ctx
->st
, &drawable
->base
);
63 static const __DRI2flushExtension dri2FlushExtension
= {
64 { __DRI2_FLUSH
, __DRI2_FLUSH_VERSION
},
66 dri2_invalidate_drawable
,
70 * Retrieve __DRIbuffer from the DRI loader.
73 dri2_drawable_get_buffers(struct dri_drawable
*drawable
,
74 const enum st_attachment_type
*statts
,
77 __DRIdrawable
*dri_drawable
= drawable
->dPriv
;
78 struct __DRIdri2LoaderExtensionRec
*loader
= drawable
->sPriv
->dri2
.loader
;
82 unsigned attachments
[10];
83 unsigned num_attachments
, i
;
86 with_format
= dri_with_format(drawable
->sPriv
);
90 /* for Xserver 1.6.0 (DRI2 version 1) we always need to ask for the front */
92 attachments
[num_attachments
++] = __DRI_BUFFER_FRONT_LEFT
;
94 for (i
= 0; i
< *count
; i
++) {
95 enum pipe_format format
;
99 dri_drawable_get_format(drawable
, statts
[i
], &format
, &bind
);
100 if (format
== PIPE_FORMAT_NONE
)
104 case ST_ATTACHMENT_FRONT_LEFT
:
108 att
= __DRI_BUFFER_FRONT_LEFT
;
110 case ST_ATTACHMENT_BACK_LEFT
:
111 att
= __DRI_BUFFER_BACK_LEFT
;
113 case ST_ATTACHMENT_FRONT_RIGHT
:
114 att
= __DRI_BUFFER_FRONT_RIGHT
;
116 case ST_ATTACHMENT_BACK_RIGHT
:
117 att
= __DRI_BUFFER_BACK_RIGHT
;
119 case ST_ATTACHMENT_DEPTH_STENCIL
:
120 att
= __DRI_BUFFER_DEPTH_STENCIL
;
127 bpp
= util_format_get_blocksizebits(format
);
130 attachments
[num_attachments
++] = att
;
132 attachments
[num_attachments
++] = bpp
;
138 num_attachments
/= 2;
139 buffers
= loader
->getBuffersWithFormat(dri_drawable
,
140 &dri_drawable
->w
, &dri_drawable
->h
,
141 attachments
, num_attachments
,
142 &num_buffers
, dri_drawable
->loaderPrivate
);
145 buffers
= loader
->getBuffers(dri_drawable
,
146 &dri_drawable
->w
, &dri_drawable
->h
,
147 attachments
, num_attachments
,
148 &num_buffers
, dri_drawable
->loaderPrivate
);
152 /* set one cliprect to cover the whole dri_drawable */
155 dri_drawable
->backX
= 0;
156 dri_drawable
->backY
= 0;
157 dri_drawable
->numClipRects
= 1;
158 dri_drawable
->pClipRects
[0].x1
= 0;
159 dri_drawable
->pClipRects
[0].y1
= 0;
160 dri_drawable
->pClipRects
[0].x2
= dri_drawable
->w
;
161 dri_drawable
->pClipRects
[0].y2
= dri_drawable
->h
;
162 dri_drawable
->numBackClipRects
= 1;
163 dri_drawable
->pBackClipRects
[0].x1
= 0;
164 dri_drawable
->pBackClipRects
[0].y1
= 0;
165 dri_drawable
->pBackClipRects
[0].x2
= dri_drawable
->w
;
166 dri_drawable
->pBackClipRects
[0].y2
= dri_drawable
->h
;
168 *count
= num_buffers
;
175 * Process __DRIbuffer and convert them into pipe_resources.
178 dri2_drawable_process_buffers(struct dri_drawable
*drawable
,
179 __DRIbuffer
*buffers
, unsigned count
)
181 struct dri_screen
*screen
= dri_screen(drawable
->sPriv
);
182 __DRIdrawable
*dri_drawable
= drawable
->dPriv
;
183 struct pipe_resource templ
;
184 struct winsys_handle whandle
;
185 boolean have_depth
= FALSE
;
188 if (drawable
->old_num
== count
&&
189 drawable
->old_w
== dri_drawable
->w
&&
190 drawable
->old_h
== dri_drawable
->h
&&
191 memcmp(drawable
->old
, buffers
, sizeof(__DRIbuffer
) * count
) == 0)
194 for (i
= 0; i
< ST_ATTACHMENT_COUNT
; i
++)
195 pipe_resource_reference(&drawable
->textures
[i
], NULL
);
197 memset(&templ
, 0, sizeof(templ
));
198 templ
.target
= screen
->target
;
199 templ
.last_level
= 0;
200 templ
.width0
= dri_drawable
->w
;
201 templ
.height0
= dri_drawable
->h
;
204 memset(&whandle
, 0, sizeof(whandle
));
206 for (i
= 0; i
< count
; i
++) {
207 __DRIbuffer
*buf
= &buffers
[i
];
208 enum st_attachment_type statt
;
209 enum pipe_format format
;
211 switch (buf
->attachment
) {
212 case __DRI_BUFFER_FRONT_LEFT
:
213 if (!screen
->auto_fake_front
) {
214 statt
= ST_ATTACHMENT_INVALID
;
218 case __DRI_BUFFER_FAKE_FRONT_LEFT
:
219 statt
= ST_ATTACHMENT_FRONT_LEFT
;
221 case __DRI_BUFFER_BACK_LEFT
:
222 statt
= ST_ATTACHMENT_BACK_LEFT
;
224 case __DRI_BUFFER_DEPTH
:
225 case __DRI_BUFFER_DEPTH_STENCIL
:
226 case __DRI_BUFFER_STENCIL
:
227 /* use only the first depth/stencil buffer */
230 statt
= ST_ATTACHMENT_DEPTH_STENCIL
;
233 statt
= ST_ATTACHMENT_INVALID
;
237 statt
= ST_ATTACHMENT_INVALID
;
241 dri_drawable_get_format(drawable
, statt
, &format
, &bind
);
242 if (statt
== ST_ATTACHMENT_INVALID
|| format
== PIPE_FORMAT_NONE
)
245 templ
.format
= format
;
247 whandle
.handle
= buf
->name
;
248 whandle
.stride
= buf
->pitch
;
250 drawable
->textures
[statt
] =
251 screen
->base
.screen
->resource_from_handle(screen
->base
.screen
,
255 drawable
->old_num
= count
;
256 drawable
->old_w
= dri_drawable
->w
;
257 drawable
->old_h
= dri_drawable
->h
;
258 memcpy(drawable
->old
, buffers
, sizeof(__DRIbuffer
) * count
);
262 * Backend functions for st_framebuffer interface.
266 dri2_allocate_textures(struct dri_drawable
*drawable
,
267 const enum st_attachment_type
*statts
,
270 __DRIbuffer
*buffers
;
271 unsigned num_buffers
= count
;
273 buffers
= dri2_drawable_get_buffers(drawable
, statts
, &num_buffers
);
275 dri2_drawable_process_buffers(drawable
, buffers
, num_buffers
);
279 dri2_flush_frontbuffer(struct dri_drawable
*drawable
,
280 enum st_attachment_type statt
)
282 __DRIdrawable
*dri_drawable
= drawable
->dPriv
;
283 struct __DRIdri2LoaderExtensionRec
*loader
= drawable
->sPriv
->dri2
.loader
;
285 if (loader
->flushFrontBuffer
== NULL
)
288 if (statt
== ST_ATTACHMENT_FRONT_LEFT
) {
289 loader
->flushFrontBuffer(dri_drawable
, dri_drawable
->loaderPrivate
);
294 dri2_lookup_egl_image(struct dri_screen
*screen
, void *handle
)
296 __DRIimageLookupExtension
*loader
= screen
->sPriv
->dri2
.image
;
299 if (!loader
->lookupEGLImage
)
302 img
= loader
->lookupEGLImage(screen
->sPriv
,
303 handle
, screen
->sPriv
->loaderPrivate
);
309 dri2_create_image_from_name(__DRIscreen
*_screen
,
310 int width
, int height
, int format
,
311 int name
, int pitch
, void *loaderPrivate
)
313 struct dri_screen
*screen
= dri_screen(_screen
);
315 struct pipe_resource templ
;
316 struct winsys_handle whandle
;
320 tex_usage
= PIPE_BIND_RENDER_TARGET
| PIPE_BIND_SAMPLER_VIEW
;
323 case __DRI_IMAGE_FORMAT_RGB565
:
324 pf
= PIPE_FORMAT_B5G6R5_UNORM
;
326 case __DRI_IMAGE_FORMAT_XRGB8888
:
327 pf
= PIPE_FORMAT_B8G8R8X8_UNORM
;
329 case __DRI_IMAGE_FORMAT_ARGB8888
:
330 pf
= PIPE_FORMAT_B8G8R8A8_UNORM
;
333 pf
= PIPE_FORMAT_NONE
;
336 if (pf
== PIPE_FORMAT_NONE
)
339 img
= CALLOC_STRUCT(__DRIimageRec
);
343 memset(&templ
, 0, sizeof(templ
));
344 templ
.bind
= tex_usage
;
346 templ
.target
= screen
->target
;
347 templ
.last_level
= 0;
348 templ
.width0
= width
;
349 templ
.height0
= height
;
352 memset(&whandle
, 0, sizeof(whandle
));
353 whandle
.handle
= name
;
354 whandle
.stride
= pitch
* util_format_get_blocksize(pf
);
356 img
->texture
= screen
->base
.screen
->resource_from_handle(screen
->base
.screen
,
366 img
->loader_private
= loaderPrivate
;
372 dri2_create_image_from_renderbuffer(__DRIcontext
*context
,
373 int renderbuffer
, void *loaderPrivate
)
375 struct dri_context
*ctx
= dri_context(context
->driverPrivate
);
377 if (!ctx
->st
->get_resource_for_egl_image
)
385 dri2_create_image(__DRIscreen
*_screen
,
386 int width
, int height
, int format
,
387 unsigned int use
, void *loaderPrivate
)
389 struct dri_screen
*screen
= dri_screen(_screen
);
391 struct pipe_resource templ
;
395 tex_usage
= PIPE_BIND_RENDER_TARGET
| PIPE_BIND_SAMPLER_VIEW
;
398 case __DRI_IMAGE_FORMAT_RGB565
:
399 pf
= PIPE_FORMAT_B5G6R5_UNORM
;
401 case __DRI_IMAGE_FORMAT_XRGB8888
:
402 pf
= PIPE_FORMAT_B8G8R8X8_UNORM
;
404 case __DRI_IMAGE_FORMAT_ARGB8888
:
405 pf
= PIPE_FORMAT_B8G8R8A8_UNORM
;
408 pf
= PIPE_FORMAT_NONE
;
411 if (pf
== PIPE_FORMAT_NONE
)
414 img
= CALLOC_STRUCT(__DRIimageRec
);
418 memset(&templ
, 0, sizeof(templ
));
419 templ
.bind
= tex_usage
;
421 templ
.target
= PIPE_TEXTURE_2D
;
422 templ
.last_level
= 0;
423 templ
.width0
= width
;
424 templ
.height0
= height
;
427 img
->texture
= screen
->base
.screen
->resource_create(screen
->base
.screen
, &templ
);
437 img
->loader_private
= loaderPrivate
;
442 dri2_query_image(__DRIimage
*image
, int attrib
, int *value
)
444 struct winsys_handle whandle
;
445 memset(&whandle
, 0, sizeof(whandle
));
448 case __DRI_IMAGE_ATTRIB_STRIDE
:
449 image
->texture
->screen
->resource_get_handle(image
->texture
->screen
,
450 image
->texture
, &whandle
);
451 *value
= whandle
.stride
;
453 case __DRI_IMAGE_ATTRIB_HANDLE
:
454 whandle
.type
= DRM_API_HANDLE_TYPE_KMS
;
455 image
->texture
->screen
->resource_get_handle(image
->texture
->screen
,
456 image
->texture
, &whandle
);
457 *value
= whandle
.handle
;
459 case __DRI_IMAGE_ATTRIB_NAME
:
460 whandle
.type
= DRM_API_HANDLE_TYPE_SHARED
;
461 image
->texture
->screen
->resource_get_handle(image
->texture
->screen
,
462 image
->texture
, &whandle
);
463 *value
= whandle
.handle
;
471 dri2_destroy_image(__DRIimage
*img
)
473 pipe_resource_reference(&img
->texture
, NULL
);
477 static struct __DRIimageExtensionRec dri2ImageExtension
= {
478 { __DRI_IMAGE
, __DRI_IMAGE_VERSION
},
479 dri2_create_image_from_name
,
480 dri2_create_image_from_renderbuffer
,
487 * Backend function init_screen.
490 static const __DRIextension
*dri_screen_extensions
[] = {
491 &driReadDrawableExtension
,
492 &driCopySubBufferExtension
.base
,
493 &driSwapControlExtension
.base
,
494 &driMediaStreamCounterExtension
.base
,
495 &driTexBufferExtension
.base
,
496 &dri2FlushExtension
.base
,
497 &dri2ImageExtension
.base
,
498 &dri2ConfigQueryExtension
.base
,
503 * This is the driver specific part of the createNewScreen entry point.
505 * Returns the struct gl_config supported by this driver.
507 static const __DRIconfig
**
508 dri2_init_screen(__DRIscreen
* sPriv
)
510 const __DRIconfig
**configs
;
511 struct dri_screen
*screen
;
512 struct pipe_screen
*pscreen
;
514 screen
= CALLOC_STRUCT(dri_screen
);
518 screen
->sPriv
= sPriv
;
519 screen
->fd
= sPriv
->fd
;
521 sPriv
->private = (void *)screen
;
522 sPriv
->extensions
= dri_screen_extensions
;
524 pscreen
= driver_descriptor
.create_screen(screen
->fd
);
525 /* dri_init_screen_helper checks pscreen for us */
527 configs
= dri_init_screen_helper(screen
, pscreen
, 32);
532 if (screen
->st_api
->profile_mask
& ST_PROFILE_DEFAULT_MASK
)
533 sPriv
->api_mask
|= 1 << __DRI_API_OPENGL
;
534 if (screen
->st_api
->profile_mask
& ST_PROFILE_OPENGL_ES1_MASK
)
535 sPriv
->api_mask
|= 1 << __DRI_API_GLES
;
536 if (screen
->st_api
->profile_mask
& ST_PROFILE_OPENGL_ES2_MASK
)
537 sPriv
->api_mask
|= 1 << __DRI_API_GLES2
;
539 screen
->auto_fake_front
= dri_with_format(sPriv
);
540 screen
->broken_invalidate
= !sPriv
->dri2
.useInvalidate
;
541 screen
->lookup_egl_image
= dri2_lookup_egl_image
;
545 dri_destroy_screen_helper(screen
);
551 dri2_create_context(gl_api api
, const struct gl_config
* visual
,
552 __DRIcontext
* cPriv
, void *sharedContextPrivate
)
554 struct dri_context
*ctx
= NULL
;
556 if (!dri_create_context(api
, visual
, cPriv
, sharedContextPrivate
))
559 ctx
= cPriv
->driverPrivate
;
565 dri2_create_buffer(__DRIscreen
* sPriv
,
566 __DRIdrawable
* dPriv
,
567 const struct gl_config
* visual
, boolean isPixmap
)
569 struct dri_drawable
*drawable
= NULL
;
571 if (!dri_create_buffer(sPriv
, dPriv
, visual
, isPixmap
))
574 drawable
= dPriv
->driverPrivate
;
576 drawable
->allocate_textures
= dri2_allocate_textures
;
577 drawable
->flush_frontbuffer
= dri2_flush_frontbuffer
;
583 * DRI driver virtual function table.
585 * DRI versions differ in their implementation of init_screen and swap_buffers.
587 const struct __DriverAPIRec driDriverAPI
= {
589 .InitScreen2
= dri2_init_screen
,
590 .DestroyScreen
= dri_destroy_screen
,
591 .CreateContext
= dri2_create_context
,
592 .DestroyContext
= dri_destroy_context
,
593 .CreateBuffer
= dri2_create_buffer
,
594 .DestroyBuffer
= dri_destroy_buffer
,
595 .MakeCurrent
= dri_make_current
,
596 .UnbindContext
= dri_unbind_context
,
599 .GetDrawableMSC
= NULL
,
603 .CopySubBuffer
= NULL
,
606 /* This is the table of extensions that the loader will dlsym() for. */
607 PUBLIC
const __DRIextension
*__driDriverExtensions
[] = {
608 &driCoreExtension
.base
,
609 &driLegacyExtension
.base
,
610 &driDRI2Extension
.base
,
614 /* vim: set sw=3 ts=8 sts=3 expandtab: */