2 * Copyright © 2008 Red Hat, Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Soft-
6 * ware"), to deal in the Software without restriction, including without
7 * limitation the rights to use, copy, modify, merge, publish, distribute,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, provided that the above copyright
10 * notice(s) and this permission notice appear in all copies of the Soft-
11 * ware and that both the above copyright notice(s) and this permission
12 * notice appear in supporting documentation.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
16 * ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY
17 * RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN
18 * THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSE-
19 * QUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
20 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
21 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFOR-
22 * MANCE OF THIS SOFTWARE.
24 * Except as contained in this notice, the name of a copyright holder shall
25 * not be used in advertising or otherwise to promote the sale, use or
26 * other dealings in this Software without prior written authorization of
27 * the copyright holder.
30 * Kristian Høgsberg (krh@redhat.com)
33 #ifdef GLX_DIRECT_RENDERING
36 #include <X11/extensions/Xfixes.h>
37 #include <X11/extensions/Xdamage.h>
39 #include "glxclient.h"
40 #include <X11/extensions/dri2proto.h>
45 #include <sys/types.h>
49 #include "dri_common.h"
50 #include "../../mesa/drivers/dri/common/dri_util.h"
55 typedef struct __GLXDRIdisplayPrivateRec __GLXDRIdisplayPrivate
;
56 typedef struct __GLXDRIcontextPrivateRec __GLXDRIcontextPrivate
;
57 typedef struct __GLXDRIdrawablePrivateRec __GLXDRIdrawablePrivate
;
59 struct __GLXDRIdisplayPrivateRec
64 ** XFree86-DRI version information
70 int invalidateAvailable
;
73 struct __GLXDRIcontextPrivateRec
76 __DRIcontext
*driContext
;
77 __GLXscreenConfigs
*psc
;
80 struct __GLXDRIdrawablePrivateRec
82 __GLXDRIdrawable base
;
83 __DRIbuffer buffers
[5];
91 static void dri2WaitX(__GLXDRIdrawable
* pdraw
);
94 dri2DestroyContext(__GLXDRIcontext
* context
,
95 __GLXscreenConfigs
* psc
, Display
* dpy
)
97 __GLXDRIcontextPrivate
*pcp
= (__GLXDRIcontextPrivate
*) context
;
98 const __DRIcoreExtension
*core
= pcp
->psc
->core
;
100 (*core
->destroyContext
) (pcp
->driContext
);
106 dri2BindContext(__GLXDRIcontext
* context
,
107 __GLXDRIdrawable
* draw
, __GLXDRIdrawable
* read
)
109 __GLXDRIcontextPrivate
*pcp
= (__GLXDRIcontextPrivate
*) context
;
110 const __DRIcoreExtension
*core
= pcp
->psc
->core
;
112 return (*core
->bindContext
) (pcp
->driContext
,
113 draw
->driDrawable
, read
->driDrawable
);
117 dri2UnbindContext(__GLXDRIcontext
* context
)
119 __GLXDRIcontextPrivate
*pcp
= (__GLXDRIcontextPrivate
*) context
;
120 const __DRIcoreExtension
*core
= pcp
->psc
->core
;
122 (*core
->unbindContext
) (pcp
->driContext
);
125 static __GLXDRIcontext
*
126 dri2CreateContext(__GLXscreenConfigs
* psc
,
127 const __GLcontextModes
* mode
,
128 GLXContext gc
, GLXContext shareList
, int renderType
)
130 __GLXDRIcontextPrivate
*pcp
, *pcp_shared
;
131 __GLXDRIconfigPrivate
*config
= (__GLXDRIconfigPrivate
*) mode
;
132 __DRIcontext
*shared
= NULL
;
135 pcp_shared
= (__GLXDRIcontextPrivate
*) shareList
->driContext
;
136 shared
= pcp_shared
->driContext
;
139 pcp
= Xmalloc(sizeof *pcp
);
145 (*psc
->dri2
->createNewContext
) (psc
->__driScreen
,
146 config
->driConfig
, shared
, pcp
);
147 gc
->__driContext
= pcp
->driContext
;
149 if (pcp
->driContext
== NULL
) {
154 pcp
->base
.destroyContext
= dri2DestroyContext
;
155 pcp
->base
.bindContext
= dri2BindContext
;
156 pcp
->base
.unbindContext
= dri2UnbindContext
;
162 dri2DestroyDrawable(__GLXDRIdrawable
* pdraw
)
164 const __DRIcoreExtension
*core
= pdraw
->psc
->core
;
166 (*core
->destroyDrawable
) (pdraw
->driDrawable
);
167 DRI2DestroyDrawable(pdraw
->psc
->dpy
, pdraw
->xDrawable
);
171 static __GLXDRIdrawable
*
172 dri2CreateDrawable(__GLXscreenConfigs
* psc
,
174 GLXDrawable drawable
, const __GLcontextModes
* modes
)
176 __GLXDRIdrawablePrivate
*pdraw
;
177 __GLXDRIconfigPrivate
*config
= (__GLXDRIconfigPrivate
*) modes
;
179 pdraw
= Xmalloc(sizeof(*pdraw
));
183 pdraw
->base
.destroyDrawable
= dri2DestroyDrawable
;
184 pdraw
->base
.xDrawable
= xDrawable
;
185 pdraw
->base
.drawable
= drawable
;
186 pdraw
->base
.psc
= psc
;
187 pdraw
->bufferCount
= 0;
189 DRI2CreateDrawable(psc
->dpy
, xDrawable
);
191 /* Create a new drawable */
192 pdraw
->base
.driDrawable
=
193 (*psc
->dri2
->createNewDrawable
) (psc
->__driScreen
,
194 config
->driConfig
, pdraw
);
196 if (!pdraw
->base
.driDrawable
) {
197 DRI2DestroyDrawable(psc
->dpy
, xDrawable
);
208 dri2DrawableGetMSC(__GLXscreenConfigs
*psc
, __GLXDRIdrawable
*pdraw
,
209 int64_t *ust
, int64_t *msc
, int64_t *sbc
)
211 return DRI2GetMSC(psc
->dpy
, pdraw
->xDrawable
, ust
, msc
, sbc
);
220 dri2WaitForMSC(__GLXDRIdrawable
*pdraw
, int64_t target_msc
, int64_t divisor
,
221 int64_t remainder
, int64_t *ust
, int64_t *msc
, int64_t *sbc
)
223 return DRI2WaitMSC(pdraw
->psc
->dpy
, pdraw
->xDrawable
, target_msc
, divisor
,
224 remainder
, ust
, msc
, sbc
);
228 dri2WaitForSBC(__GLXDRIdrawable
*pdraw
, int64_t target_sbc
, int64_t *ust
,
229 int64_t *msc
, int64_t *sbc
)
231 return DRI2WaitSBC(pdraw
->psc
->dpy
, pdraw
->xDrawable
, target_sbc
, ust
, msc
,
235 #endif /* X_DRI2WaitMSC */
238 dri2CopySubBuffer(__GLXDRIdrawable
*pdraw
, int x
, int y
, int width
, int height
)
240 __GLXDRIdrawablePrivate
*priv
= (__GLXDRIdrawablePrivate
*) pdraw
;
242 XserverRegion region
;
244 /* Check we have the right attachments */
245 if (!priv
->have_back
)
249 xrect
.y
= priv
->height
- y
- height
;
251 xrect
.height
= height
;
255 (*pdraw
->psc
->f
->flush
) (pdraw
->driDrawable
);
258 region
= XFixesCreateRegion(pdraw
->psc
->dpy
, &xrect
, 1);
259 /* should get a fence ID back from here at some point */
260 DRI2CopyRegion(pdraw
->psc
->dpy
, pdraw
->xDrawable
, region
,
261 DRI2BufferFrontLeft
, DRI2BufferBackLeft
);
262 XFixesDestroyRegion(pdraw
->psc
->dpy
, region
);
264 /* Refresh the fake front (if present) after we just damaged the real
271 dri2WaitX(__GLXDRIdrawable
*pdraw
)
273 __GLXDRIdrawablePrivate
*priv
= (__GLXDRIdrawablePrivate
*) pdraw
;
275 XserverRegion region
;
277 /* Check we have the right attachments */
278 if (!priv
->have_fake_front
)
283 xrect
.width
= priv
->width
;
284 xrect
.height
= priv
->height
;
288 (*pdraw
->psc
->f
->flush
) (pdraw
->driDrawable
);
291 region
= XFixesCreateRegion(pdraw
->psc
->dpy
, &xrect
, 1);
292 DRI2CopyRegion(pdraw
->psc
->dpy
, pdraw
->xDrawable
, region
,
293 DRI2BufferFakeFrontLeft
, DRI2BufferFrontLeft
);
294 XFixesDestroyRegion(pdraw
->psc
->dpy
, region
);
298 dri2WaitGL(__GLXDRIdrawable
* pdraw
)
300 __GLXDRIdrawablePrivate
*priv
= (__GLXDRIdrawablePrivate
*) pdraw
;
302 XserverRegion region
;
304 if (!priv
->have_fake_front
)
309 xrect
.width
= priv
->width
;
310 xrect
.height
= priv
->height
;
314 (*pdraw
->psc
->f
->flush
) (pdraw
->driDrawable
);
317 region
= XFixesCreateRegion(pdraw
->psc
->dpy
, &xrect
, 1);
318 DRI2CopyRegion(pdraw
->psc
->dpy
, pdraw
->xDrawable
, region
,
319 DRI2BufferFrontLeft
, DRI2BufferFakeFrontLeft
);
320 XFixesDestroyRegion(pdraw
->psc
->dpy
, region
);
324 dri2FlushFrontBuffer(__DRIdrawable
*driDrawable
, void *loaderPrivate
)
326 __GLXDRIdrawablePrivate
*pdraw
= loaderPrivate
;
327 __GLXdisplayPrivate
*priv
= __glXInitialize(pdraw
->base
.psc
->dpy
);
328 __GLXDRIdisplayPrivate
*pdp
= (__GLXDRIdisplayPrivate
*)priv
->dri2Display
;
330 /* Old servers don't send invalidate events */
331 if (!pdp
->invalidateAvailable
)
332 dri2InvalidateBuffers(priv
->dpy
, pdraw
->base
.drawable
);
334 dri2WaitGL(loaderPrivate
);
339 dri2DestroyScreen(__GLXscreenConfigs
* psc
)
341 /* Free the direct rendering per screen data */
342 (*psc
->core
->destroyScreen
) (psc
->__driScreen
);
344 psc
->__driScreen
= NULL
;
348 * Process list of buffer received from the server
350 * Processes the list of buffers received in a reply from the server to either
351 * \c DRI2GetBuffers or \c DRI2GetBuffersWithFormat.
354 process_buffers(__GLXDRIdrawablePrivate
* pdraw
, DRI2Buffer
* buffers
,
359 pdraw
->bufferCount
= count
;
360 pdraw
->have_fake_front
= 0;
361 pdraw
->have_back
= 0;
363 /* This assumes the DRI2 buffer attachment tokens matches the
364 * __DRIbuffer tokens. */
365 for (i
= 0; i
< count
; i
++) {
366 pdraw
->buffers
[i
].attachment
= buffers
[i
].attachment
;
367 pdraw
->buffers
[i
].name
= buffers
[i
].name
;
368 pdraw
->buffers
[i
].pitch
= buffers
[i
].pitch
;
369 pdraw
->buffers
[i
].cpp
= buffers
[i
].cpp
;
370 pdraw
->buffers
[i
].flags
= buffers
[i
].flags
;
371 if (pdraw
->buffers
[i
].attachment
== __DRI_BUFFER_FAKE_FRONT_LEFT
)
372 pdraw
->have_fake_front
= 1;
373 if (pdraw
->buffers
[i
].attachment
== __DRI_BUFFER_BACK_LEFT
)
374 pdraw
->have_back
= 1;
380 dri2SwapBuffers(__GLXDRIdrawable
*pdraw
, int64_t target_msc
, int64_t divisor
,
383 __GLXDRIdrawablePrivate
*priv
= (__GLXDRIdrawablePrivate
*) pdraw
;
384 __GLXdisplayPrivate
*dpyPriv
= __glXInitialize(priv
->base
.psc
->dpy
);
385 __GLXDRIdisplayPrivate
*pdp
=
386 (__GLXDRIdisplayPrivate
*)dpyPriv
->dri2Display
;
391 (*pdraw
->psc
->f
->flush
)(pdraw
->driDrawable
);
394 /* Old servers don't send invalidate events */
395 if (!pdp
->invalidateAvailable
)
396 dri2InvalidateBuffers(dpyPriv
->dpy
, pdraw
->drawable
);
398 /* Old servers can't handle swapbuffers */
399 if (!pdp
->swapAvailable
) {
400 dri2CopySubBuffer(pdraw
, 0, 0, priv
->width
, priv
->height
);
404 #ifdef X_DRI2SwapBuffers
405 DRI2SwapBuffers(pdraw
->psc
->dpy
, pdraw
->xDrawable
, target_msc
, divisor
,
413 dri2GetBuffers(__DRIdrawable
* driDrawable
,
414 int *width
, int *height
,
415 unsigned int *attachments
, int count
,
416 int *out_count
, void *loaderPrivate
)
418 __GLXDRIdrawablePrivate
*pdraw
= loaderPrivate
;
421 buffers
= DRI2GetBuffers(pdraw
->base
.psc
->dpy
, pdraw
->base
.xDrawable
,
422 width
, height
, attachments
, count
, out_count
);
426 pdraw
->width
= *width
;
427 pdraw
->height
= *height
;
428 process_buffers(pdraw
, buffers
, *out_count
);
432 return pdraw
->buffers
;
436 dri2GetBuffersWithFormat(__DRIdrawable
* driDrawable
,
437 int *width
, int *height
,
438 unsigned int *attachments
, int count
,
439 int *out_count
, void *loaderPrivate
)
441 __GLXDRIdrawablePrivate
*pdraw
= loaderPrivate
;
444 buffers
= DRI2GetBuffersWithFormat(pdraw
->base
.psc
->dpy
,
445 pdraw
->base
.xDrawable
,
446 width
, height
, attachments
,
451 pdraw
->width
= *width
;
452 pdraw
->height
= *height
;
453 process_buffers(pdraw
, buffers
, *out_count
);
457 return pdraw
->buffers
;
460 #ifdef X_DRI2SwapInterval
463 dri2SetSwapInterval(__GLXDRIdrawable
*pdraw
, int interval
)
465 __GLXDRIdrawablePrivate
*priv
= (__GLXDRIdrawablePrivate
*) pdraw
;
467 DRI2SwapInterval(priv
->base
.psc
->dpy
, pdraw
->xDrawable
, interval
);
468 priv
->swap_interval
= interval
;
472 dri2GetSwapInterval(__GLXDRIdrawable
*pdraw
)
474 __GLXDRIdrawablePrivate
*priv
= (__GLXDRIdrawablePrivate
*) pdraw
;
476 return priv
->swap_interval
;
479 #endif /* X_DRI2SwapInterval */
481 static const __DRIdri2LoaderExtension dri2LoaderExtension
= {
482 {__DRI_DRI2_LOADER
, __DRI_DRI2_LOADER_VERSION
},
484 dri2FlushFrontBuffer
,
485 dri2GetBuffersWithFormat
,
488 static const __DRIdri2LoaderExtension dri2LoaderExtension_old
= {
489 {__DRI_DRI2_LOADER
, __DRI_DRI2_LOADER_VERSION
},
491 dri2FlushFrontBuffer
,
495 static const __DRIextension
*loader_extensions
[] = {
496 &dri2LoaderExtension
.base
,
497 &systemTimeExtension
.base
,
501 static const __DRIextension
*loader_extensions_old
[] = {
502 &dri2LoaderExtension_old
.base
,
503 &systemTimeExtension
.base
,
508 dri2InvalidateBuffers(Display
*dpy
, XID drawable
)
510 __GLXDRIdrawable
*pdraw
= GetGLXDRIDrawable(dpy
, drawable
, NULL
);
512 #if __DRI2_FLUSH_VERSION >= 3
513 if (pdraw
&& pdraw
->psc
->f
)
514 pdraw
->psc
->f
->invalidate(pdraw
->driDrawable
);
518 static __GLXDRIscreen
*
519 dri2CreateScreen(__GLXscreenConfigs
* psc
, int screen
,
520 __GLXdisplayPrivate
* priv
)
522 const __DRIconfig
**driver_configs
;
523 const __DRIextension
**extensions
;
524 const __GLXDRIdisplayPrivate
*const pdp
= (__GLXDRIdisplayPrivate
*)
527 char *driverName
, *deviceName
;
531 psp
= Xmalloc(sizeof *psp
);
535 if (!DRI2Connect(psc
->dpy
, RootWindow(psc
->dpy
, screen
),
536 &driverName
, &deviceName
)) {
541 psc
->driver
= driOpenDriver(driverName
);
542 if (psc
->driver
== NULL
) {
543 ErrorMessageF("driver pointer missing\n");
547 extensions
= dlsym(psc
->driver
, __DRI_DRIVER_EXTENSIONS
);
548 if (extensions
== NULL
) {
549 ErrorMessageF("driver exports no extensions (%s)\n", dlerror());
553 for (i
= 0; extensions
[i
]; i
++) {
554 if (strcmp(extensions
[i
]->name
, __DRI_CORE
) == 0)
555 psc
->core
= (__DRIcoreExtension
*) extensions
[i
];
556 if (strcmp(extensions
[i
]->name
, __DRI_DRI2
) == 0)
557 psc
->dri2
= (__DRIdri2Extension
*) extensions
[i
];
560 if (psc
->core
== NULL
|| psc
->dri2
== NULL
) {
561 ErrorMessageF("core dri or dri2 extension not found\n");
565 psc
->fd
= open(deviceName
, O_RDWR
);
567 ErrorMessageF("failed to open drm device: %s\n", strerror(errno
));
571 if (drmGetMagic(psc
->fd
, &magic
)) {
572 ErrorMessageF("failed to get magic\n");
576 if (!DRI2Authenticate(psc
->dpy
, RootWindow(psc
->dpy
, screen
), magic
)) {
577 ErrorMessageF("failed to authenticate magic %d\n", magic
);
581 /* If the server does not support the protocol for
582 * DRI2GetBuffersWithFormat, don't supply that interface to the driver.
585 psc
->dri2
->createNewScreen(screen
, psc
->fd
, ((pdp
->driMinor
< 1)
586 ? loader_extensions_old
587 : loader_extensions
),
588 &driver_configs
, psc
);
590 if (psc
->__driScreen
== NULL
) {
591 ErrorMessageF("failed to create dri screen\n");
595 driBindCommonExtensions(psc
);
596 dri2BindExtensions(psc
);
598 psc
->configs
= driConvertConfigs(psc
->core
, psc
->configs
, driver_configs
);
599 psc
->visuals
= driConvertConfigs(psc
->core
, psc
->visuals
, driver_configs
);
601 psc
->driver_configs
= driver_configs
;
603 psp
->destroyScreen
= dri2DestroyScreen
;
604 psp
->createContext
= dri2CreateContext
;
605 psp
->createDrawable
= dri2CreateDrawable
;
606 psp
->swapBuffers
= dri2SwapBuffers
;
607 psp
->waitGL
= dri2WaitGL
;
608 psp
->waitX
= dri2WaitX
;
609 psp
->getDrawableMSC
= NULL
;
610 psp
->waitForMSC
= NULL
;
611 psp
->waitForSBC
= NULL
;
612 psp
->setSwapInterval
= NULL
;
613 psp
->getSwapInterval
= NULL
;
615 if (pdp
->driMinor
>= 2) {
617 psp
->getDrawableMSC
= dri2DrawableGetMSC
;
620 psp
->waitForMSC
= dri2WaitForMSC
;
621 psp
->waitForSBC
= dri2WaitForSBC
;
623 #ifdef X_DRI2SwapInterval
624 psp
->setSwapInterval
= dri2SetSwapInterval
;
625 psp
->getSwapInterval
= dri2GetSwapInterval
;
627 #if defined(X_DRI2GetMSC) && defined(X_DRI2WaitMSC) && defined(X_DRI2SwapInterval)
628 __glXEnableDirectExtension(psc
, "GLX_OML_sync_control");
632 /* DRI2 suports SubBuffer through DRI2CopyRegion, so it's always
634 psp
->copySubBuffer
= dri2CopySubBuffer
;
635 __glXEnableDirectExtension(psc
, "GLX_MESA_copy_sub_buffer");
647 /* FIXME: clean up here */
652 /* Called from __glXFreeDisplayPrivate.
655 dri2DestroyDisplay(__GLXDRIdisplay
* dpy
)
661 * Allocate, initialize and return a __DRIdisplayPrivate object.
662 * This is called from __glXInitialize() when we are given a new
665 _X_HIDDEN __GLXDRIdisplay
*
666 dri2CreateDisplay(Display
* dpy
)
668 __GLXDRIdisplayPrivate
*pdp
;
669 int eventBase
, errorBase
;
671 if (!DRI2QueryExtension(dpy
, &eventBase
, &errorBase
))
674 pdp
= Xmalloc(sizeof *pdp
);
678 if (!DRI2QueryVersion(dpy
, &pdp
->driMajor
, &pdp
->driMinor
)) {
684 pdp
->swapAvailable
= (pdp
->driMinor
>= 2);
685 pdp
->invalidateAvailable
= (pdp
->driMinor
>= 3);
687 pdp
->base
.destroyDisplay
= dri2DestroyDisplay
;
688 pdp
->base
.createScreen
= dri2CreateScreen
;
693 #endif /* GLX_DIRECT_RENDERING */