1 /* -*- mode: c; tab-width: 3; indent-tabs-mode: nil; c-basic-offset: 3; coding: utf-8-unix -*- */
3 * Copyright © 2008 Red Hat, Inc.
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Soft-
7 * ware"), to deal in the Software without restriction, including without
8 * limitation the rights to use, copy, modify, merge, publish, distribute,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, provided that the above copyright
11 * notice(s) and this permission notice appear in all copies of the Soft-
12 * ware and that both the above copyright notice(s) and this permission
13 * notice appear in supporting documentation.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
17 * ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY
18 * RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN
19 * THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSE-
20 * QUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
21 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
22 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFOR-
23 * MANCE OF THIS SOFTWARE.
25 * Except as contained in this notice, the name of a copyright holder shall
26 * not be used in advertising or otherwise to promote the sale, use or
27 * other dealings in this Software without prior written authorization of
28 * the copyright holder.
31 * Kristian Høgsberg (krh@redhat.com)
34 #ifdef GLX_DIRECT_RENDERING
37 #include <X11/extensions/Xfixes.h>
38 #include <X11/extensions/Xdamage.h>
39 #include "glxclient.h"
40 #include "glcontextmodes.h"
44 #include <sys/types.h>
48 #include "dri_common.h"
50 typedef struct __GLXDRIdisplayPrivateRec __GLXDRIdisplayPrivate
;
51 typedef struct __GLXDRIcontextPrivateRec __GLXDRIcontextPrivate
;
52 typedef struct __GLXDRIdrawablePrivateRec __GLXDRIdrawablePrivate
;
54 struct __GLXDRIdisplayPrivateRec
59 ** XFree86-DRI version information
66 struct __GLXDRIcontextPrivateRec
69 __DRIcontext
*driContext
;
70 __GLXscreenConfigs
*psc
;
73 struct __GLXDRIdrawablePrivateRec
75 __GLXDRIdrawable base
;
76 __DRIbuffer buffers
[5];
82 dri2DestroyContext(__GLXDRIcontext
* context
,
83 __GLXscreenConfigs
* psc
, Display
* dpy
)
85 __GLXDRIcontextPrivate
*pcp
= (__GLXDRIcontextPrivate
*) context
;
86 const __DRIcoreExtension
*core
= pcp
->psc
->core
;
88 (*core
->destroyContext
) (pcp
->driContext
);
94 dri2BindContext(__GLXDRIcontext
* context
,
95 __GLXDRIdrawable
* draw
, __GLXDRIdrawable
* read
)
97 __GLXDRIcontextPrivate
*pcp
= (__GLXDRIcontextPrivate
*) context
;
98 const __DRIcoreExtension
*core
= pcp
->psc
->core
;
100 return (*core
->bindContext
) (pcp
->driContext
,
101 draw
->driDrawable
, read
->driDrawable
);
105 dri2UnbindContext(__GLXDRIcontext
* context
)
107 __GLXDRIcontextPrivate
*pcp
= (__GLXDRIcontextPrivate
*) context
;
108 const __DRIcoreExtension
*core
= pcp
->psc
->core
;
110 (*core
->unbindContext
) (pcp
->driContext
);
113 static __GLXDRIcontext
*
114 dri2CreateContext(__GLXscreenConfigs
* psc
,
115 const __GLcontextModes
* mode
,
116 GLXContext gc
, GLXContext shareList
, int renderType
)
118 __GLXDRIcontextPrivate
*pcp
, *pcp_shared
;
119 __GLXDRIconfigPrivate
*config
= (__GLXDRIconfigPrivate
*) mode
;
120 __DRIcontext
*shared
= NULL
;
123 pcp_shared
= (__GLXDRIcontextPrivate
*) shareList
->driContext
;
124 shared
= pcp_shared
->driContext
;
127 pcp
= Xmalloc(sizeof *pcp
);
133 (*psc
->dri2
->createNewContext
) (psc
->__driScreen
,
134 config
->driConfig
, shared
, pcp
);
135 gc
->__driContext
= pcp
->driContext
;
137 if (pcp
->driContext
== NULL
) {
142 pcp
->base
.destroyContext
= dri2DestroyContext
;
143 pcp
->base
.bindContext
= dri2BindContext
;
144 pcp
->base
.unbindContext
= dri2UnbindContext
;
150 dri2DestroyDrawable(__GLXDRIdrawable
* pdraw
)
152 const __DRIcoreExtension
*core
= pdraw
->psc
->core
;
154 (*core
->destroyDrawable
) (pdraw
->driDrawable
);
155 DRI2DestroyDrawable(pdraw
->psc
->dpy
, pdraw
->drawable
);
159 static __GLXDRIdrawable
*
160 dri2CreateDrawable(__GLXscreenConfigs
* psc
,
162 GLXDrawable drawable
, const __GLcontextModes
* modes
)
164 __GLXDRIdrawablePrivate
*pdraw
;
165 __GLXDRIconfigPrivate
*config
= (__GLXDRIconfigPrivate
*) modes
;
167 pdraw
= Xmalloc(sizeof(*pdraw
));
171 pdraw
->base
.destroyDrawable
= dri2DestroyDrawable
;
172 pdraw
->base
.xDrawable
= xDrawable
;
173 pdraw
->base
.drawable
= drawable
;
174 pdraw
->base
.psc
= psc
;
176 DRI2CreateDrawable(psc
->dpy
, xDrawable
);
178 /* Create a new drawable */
179 pdraw
->base
.driDrawable
=
180 (*psc
->dri2
->createNewDrawable
) (psc
->__driScreen
,
181 config
->driConfig
, pdraw
);
183 if (!pdraw
->base
.driDrawable
) {
184 DRI2DestroyDrawable(psc
->dpy
, drawable
);
193 dri2SwapBuffers(__GLXDRIdrawable
* pdraw
)
195 __GLXDRIdrawablePrivate
*priv
= (__GLXDRIdrawablePrivate
*) pdraw
;
197 DRI2SwapBuffers(pdraw
->psc
->dpy
, pdraw
->drawable
,
198 0, 0, priv
->width
, priv
->height
);
202 dri2DestroyScreen(__GLXscreenConfigs
* psc
)
204 /* Free the direct rendering per screen data */
205 (*psc
->core
->destroyScreen
) (psc
->__driScreen
);
207 psc
->__driScreen
= NULL
;
211 dri2GetBuffers(__DRIdrawable
* driDrawable
,
212 int *width
, int *height
,
213 unsigned int *attachments
, int count
,
214 int *out_count
, void *loaderPrivate
)
216 __GLXDRIdrawablePrivate
*pdraw
= loaderPrivate
;
220 buffers
= DRI2GetBuffers(pdraw
->base
.psc
->dpy
, pdraw
->base
.xDrawable
,
221 width
, height
, attachments
, count
, out_count
);
225 pdraw
->width
= *width
;
226 pdraw
->height
= *height
;
228 /* This assumes the DRI2 buffer attachment tokens matches the
229 * __DRIbuffer tokens. */
230 for (i
= 0; i
< *out_count
; i
++) {
231 pdraw
->buffers
[i
].attachment
= buffers
[i
].attachment
;
232 pdraw
->buffers
[i
].name
= buffers
[i
].name
;
233 pdraw
->buffers
[i
].pitch
= buffers
[i
].pitch
;
234 pdraw
->buffers
[i
].cpp
= buffers
[i
].cpp
;
235 pdraw
->buffers
[i
].flags
= buffers
[i
].flags
;
240 return pdraw
->buffers
;
243 static const __DRIdri2LoaderExtension dri2LoaderExtension
= {
244 {__DRI_DRI2_LOADER
, __DRI_DRI2_LOADER_VERSION
},
248 static const __DRIextension
*loader_extensions
[] = {
249 &dri2LoaderExtension
.base
,
250 &systemTimeExtension
.base
,
254 static __GLXDRIscreen
*
255 dri2CreateScreen(__GLXscreenConfigs
* psc
, int screen
,
256 __GLXdisplayPrivate
* priv
)
258 const __DRIconfig
**driver_configs
;
259 const __DRIextension
**extensions
;
261 unsigned int sareaHandle
;
262 char *driverName
, *busID
;
266 psp
= Xmalloc(sizeof *psp
);
270 /* Initialize per screen dynamic client GLX extensions */
271 psc
->ext_list_first_time
= GL_TRUE
;
273 if (!DRI2Connect(psc
->dpy
, screen
, &driverName
, &busID
, &sareaHandle
))
276 psc
->driver
= driOpenDriver(driverName
);
277 if (psc
->driver
== NULL
)
280 extensions
= dlsym(psc
->driver
, __DRI_DRIVER_EXTENSIONS
);
281 if (extensions
== NULL
) {
282 ErrorMessageF("driver exports no extensions (%s)\n", dlerror());
286 for (i
= 0; extensions
[i
]; i
++) {
287 if (strcmp(extensions
[i
]->name
, __DRI_CORE
) == 0)
288 psc
->core
= (__DRIcoreExtension
*) extensions
[i
];
289 if (strcmp(extensions
[i
]->name
, __DRI_DRI2
) == 0)
290 psc
->dri2
= (__DRIdri2Extension
*) extensions
[i
];
293 if (psc
->core
== NULL
|| psc
->dri2
== NULL
) {
294 ErrorMessageF("core dri or dri2 extension not found\n");
298 psc
->fd
= drmOpen(NULL
, busID
);
300 ErrorMessageF("failed to open drm device: %s\n", strerror(errno
));
304 if (drmGetMagic(psc
->fd
, &magic
))
307 if (!DRI2AuthConnection(psc
->dpy
, screen
, magic
)) {
308 ErrorMessageF("failed to authenticate drm access\n");
313 psc
->dri2
->createNewScreen(screen
, psc
->fd
,
314 loader_extensions
, &driver_configs
, psc
);
315 if (psc
->__driScreen
== NULL
) {
316 ErrorMessageF("failed to create dri screen\n");
320 driBindExtensions(psc
, 1);
322 psc
->configs
= driConvertConfigs(psc
->core
, psc
->configs
, driver_configs
);
323 psc
->visuals
= driConvertConfigs(psc
->core
, psc
->visuals
, driver_configs
);
325 psp
->destroyScreen
= dri2DestroyScreen
;
326 psp
->createContext
= dri2CreateContext
;
327 psp
->createDrawable
= dri2CreateDrawable
;
328 psp
->swapBuffers
= dri2SwapBuffers
;
339 /* FIXME: clean up here */
344 /* Called from __glXFreeDisplayPrivate.
347 dri2DestroyDisplay(__GLXDRIdisplay
* dpy
)
353 * Allocate, initialize and return a __DRIdisplayPrivate object.
354 * This is called from __glXInitialize() when we are given a new
357 _X_HIDDEN __GLXDRIdisplay
*
358 dri2CreateDisplay(Display
* dpy
)
360 __GLXDRIdisplayPrivate
*pdp
;
361 int eventBase
, errorBase
;
363 if (!DRI2QueryExtension(dpy
, &eventBase
, &errorBase
))
366 pdp
= Xmalloc(sizeof *pdp
);
370 if (!DRI2QueryVersion(dpy
, &pdp
->driMajor
, &pdp
->driMinor
)) {
377 pdp
->base
.destroyDisplay
= dri2DestroyDisplay
;
378 pdp
->base
.createScreen
= dri2CreateScreen
;
383 #endif /* GLX_DIRECT_RENDERING */