dri2.c revision 115651241b7f04e7ec274c267e7de5d1c8fb8c9f
1/*
2 * Mesa 3-D graphics library
3 * Version:  7.9
4 *
5 * Copyright 2009, VMware, Inc.
6 * All Rights Reserved.
7 * Copyright (C) 2010 LunarG Inc.
8 *
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:
15 *
16 * The above copyright notice and this permission notice shall be included
17 * in all copies or substantial portions of the Software.
18 *
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.
25 *
26 * Authors:
27 *    Keith Whitwell <keithw@vmware.com>
28 *    Jakob Bornecrantz <wallbraker@gmail.com>
29 *    Chia-I Wu <olv@lunarg.com>
30 */
31
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"
37
38#include "dri_screen.h"
39#include "dri_context.h"
40#include "dri_drawable.h"
41#include "dri2_buffer.h"
42
43/**
44 * DRI2 flush extension.
45 */
46static void
47dri2_flush_drawable(__DRIdrawable *draw)
48{
49}
50
51static void
52dri2_invalidate_drawable(__DRIdrawable *dPriv)
53{
54   struct dri_drawable *drawable = dri_drawable(dPriv);
55
56   dri2InvalidateDrawable(dPriv);
57   drawable->dPriv->lastStamp = *drawable->dPriv->pStamp;
58
59   p_atomic_inc(&drawable->base.stamp);
60}
61
62static const __DRI2flushExtension dri2FlushExtension = {
63    { __DRI2_FLUSH, __DRI2_FLUSH_VERSION },
64    dri2_flush_drawable,
65    dri2_invalidate_drawable,
66};
67
68/**
69 * Retrieve __DRIbuffer from the DRI loader.
70 */
71static __DRIbuffer *
72dri2_drawable_get_buffers(struct dri_drawable *drawable,
73                          const enum st_attachment_type *statts,
74                          unsigned *count)
75{
76   __DRIdrawable *dri_drawable = drawable->dPriv;
77   struct __DRIdri2LoaderExtensionRec *loader = drawable->sPriv->dri2.loader;
78   boolean with_format;
79   __DRIbuffer *buffers;
80   int num_buffers;
81   unsigned attachments[10];
82   unsigned num_attachments, i;
83
84   assert(loader);
85   with_format = dri_with_format(drawable->sPriv);
86
87   num_attachments = 0;
88
89   /* for Xserver 1.6.0 (DRI2 version 1) we always need to ask for the front */
90   if (!with_format)
91      attachments[num_attachments++] = __DRI_BUFFER_FRONT_LEFT;
92
93   for (i = 0; i < *count; i++) {
94      enum pipe_format format;
95      unsigned bind;
96      int att, bpp;
97
98      dri_drawable_get_format(drawable, statts[i], &format, &bind);
99      if (format == PIPE_FORMAT_NONE)
100         continue;
101
102      switch (statts[i]) {
103      case ST_ATTACHMENT_FRONT_LEFT:
104         /* already added */
105         if (!with_format)
106            continue;
107         att = __DRI_BUFFER_FRONT_LEFT;
108         break;
109      case ST_ATTACHMENT_BACK_LEFT:
110         att = __DRI_BUFFER_BACK_LEFT;
111         break;
112      case ST_ATTACHMENT_FRONT_RIGHT:
113         att = __DRI_BUFFER_FRONT_RIGHT;
114         break;
115      case ST_ATTACHMENT_BACK_RIGHT:
116         att = __DRI_BUFFER_BACK_RIGHT;
117         break;
118      case ST_ATTACHMENT_DEPTH_STENCIL:
119         att = __DRI_BUFFER_DEPTH_STENCIL;
120         break;
121      default:
122         att = -1;
123         break;
124      }
125
126      bpp = util_format_get_blocksizebits(format);
127
128      if (att >= 0) {
129         attachments[num_attachments++] = att;
130         if (with_format) {
131            attachments[num_attachments++] = bpp;
132         }
133      }
134   }
135
136   if (with_format) {
137      num_attachments /= 2;
138      buffers = loader->getBuffersWithFormat(dri_drawable,
139            &dri_drawable->w, &dri_drawable->h,
140            attachments, num_attachments,
141            &num_buffers, dri_drawable->loaderPrivate);
142   }
143   else {
144      buffers = loader->getBuffers(dri_drawable,
145            &dri_drawable->w, &dri_drawable->h,
146            attachments, num_attachments,
147            &num_buffers, dri_drawable->loaderPrivate);
148   }
149
150   if (buffers) {
151      /* set one cliprect to cover the whole dri_drawable */
152      dri_drawable->x = 0;
153      dri_drawable->y = 0;
154      dri_drawable->backX = 0;
155      dri_drawable->backY = 0;
156      dri_drawable->numClipRects = 1;
157      dri_drawable->pClipRects[0].x1 = 0;
158      dri_drawable->pClipRects[0].y1 = 0;
159      dri_drawable->pClipRects[0].x2 = dri_drawable->w;
160      dri_drawable->pClipRects[0].y2 = dri_drawable->h;
161      dri_drawable->numBackClipRects = 1;
162      dri_drawable->pBackClipRects[0].x1 = 0;
163      dri_drawable->pBackClipRects[0].y1 = 0;
164      dri_drawable->pBackClipRects[0].x2 = dri_drawable->w;
165      dri_drawable->pBackClipRects[0].y2 = dri_drawable->h;
166
167      *count = num_buffers;
168   }
169
170   return buffers;
171}
172
173/**
174 * Process __DRIbuffer and convert them into pipe_resources.
175 */
176static void
177dri2_drawable_process_buffers(struct dri_drawable *drawable,
178                              __DRIbuffer *buffers, unsigned count)
179{
180   struct dri_screen *screen = dri_screen(drawable->sPriv);
181   __DRIdrawable *dri_drawable = drawable->dPriv;
182   struct pipe_resource templ;
183   struct winsys_handle whandle;
184   boolean have_depth = FALSE;
185   unsigned i, bind;
186
187   if (drawable->old_num == count &&
188       drawable->old_w == dri_drawable->w &&
189       drawable->old_h == dri_drawable->h &&
190       memcmp(drawable->old, buffers, sizeof(__DRIbuffer) * count) == 0)
191      return;
192
193   for (i = 0; i < ST_ATTACHMENT_COUNT; i++)
194      pipe_resource_reference(&drawable->textures[i], NULL);
195
196   memset(&templ, 0, sizeof(templ));
197   templ.target = screen->target;
198   templ.last_level = 0;
199   templ.width0 = dri_drawable->w;
200   templ.height0 = dri_drawable->h;
201   templ.depth0 = 1;
202   templ.array_size = 1;
203
204   memset(&whandle, 0, sizeof(whandle));
205
206   for (i = 0; i < count; i++) {
207      __DRIbuffer *buf = &buffers[i];
208      enum st_attachment_type statt;
209      enum pipe_format format;
210
211      switch (buf->attachment) {
212      case __DRI_BUFFER_FRONT_LEFT:
213         if (!screen->auto_fake_front) {
214            statt = ST_ATTACHMENT_INVALID;
215            break;
216         }
217         /* fallthrough */
218      case __DRI_BUFFER_FAKE_FRONT_LEFT:
219         statt = ST_ATTACHMENT_FRONT_LEFT;
220         break;
221      case __DRI_BUFFER_BACK_LEFT:
222         statt = ST_ATTACHMENT_BACK_LEFT;
223         break;
224      case __DRI_BUFFER_DEPTH:
225      case __DRI_BUFFER_DEPTH_STENCIL:
226      case __DRI_BUFFER_STENCIL:
227         /* use only the first depth/stencil buffer */
228         if (!have_depth) {
229            have_depth = TRUE;
230            statt = ST_ATTACHMENT_DEPTH_STENCIL;
231         }
232         else {
233            statt = ST_ATTACHMENT_INVALID;
234         }
235         break;
236      default:
237         statt = ST_ATTACHMENT_INVALID;
238         break;
239      }
240
241      dri_drawable_get_format(drawable, statt, &format, &bind);
242      if (statt == ST_ATTACHMENT_INVALID || format == PIPE_FORMAT_NONE)
243         continue;
244
245      templ.format = format;
246      templ.bind = bind;
247      whandle.handle = buf->name;
248      whandle.stride = buf->pitch;
249
250      drawable->textures[statt] =
251         screen->base.screen->resource_from_handle(screen->base.screen,
252               &templ, &whandle);
253   }
254
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);
259}
260
261static __DRIbuffer *
262dri2_allocate_buffer(__DRIscreen *sPriv,
263                     unsigned attachment, unsigned format,
264                     int width, int height)
265{
266   struct dri_screen *screen = dri_screen(sPriv);
267   struct dri2_buffer *buffer;
268   struct pipe_resource templ;
269   enum pipe_format pf;
270   unsigned bind = 0;
271   struct winsys_handle whandle;
272
273   switch (attachment) {
274      case __DRI_BUFFER_FRONT_LEFT:
275      case __DRI_BUFFER_FAKE_FRONT_LEFT:
276         bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
277         break;
278      case __DRI_BUFFER_BACK_LEFT:
279         bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
280         break;
281      case __DRI_BUFFER_DEPTH:
282      case __DRI_BUFFER_DEPTH_STENCIL:
283      case __DRI_BUFFER_STENCIL:
284            bind = PIPE_BIND_DEPTH_STENCIL; /* XXX sampler? */
285         break;
286   }
287
288   switch (format) {
289      case 32:
290         pf = PIPE_FORMAT_B8G8R8X8_UNORM;
291         break;
292      case 16:
293         pf = PIPE_FORMAT_Z16_UNORM;
294         break;
295      default:
296         return NULL;
297   }
298
299   buffer = CALLOC_STRUCT(dri2_buffer);
300   if (!buffer)
301      return NULL;
302
303   memset(&templ, 0, sizeof(templ));
304   templ.bind = bind;
305   templ.format = pf;
306   templ.target = PIPE_TEXTURE_2D;
307   templ.last_level = 0;
308   templ.width0 = width;
309   templ.height0 = height;
310   templ.depth0 = 1;
311   templ.array_size = 1;
312
313   buffer->resource =
314      screen->base.screen->resource_create(screen->base.screen, &templ);
315   if (!buffer->resource)
316      return NULL;
317
318   memset(&whandle, 0, sizeof(whandle));
319   whandle.type = DRM_API_HANDLE_TYPE_SHARED;
320   screen->base.screen->resource_get_handle(screen->base.screen,
321         buffer->resource, &whandle);
322
323   buffer->base.attachment = attachment;
324   buffer->base.name = whandle.handle;
325   buffer->base.cpp = util_format_get_blocksize(pf);
326   buffer->base.pitch = whandle.stride;
327
328   return &buffer->base;
329}
330
331static void
332dri2_release_buffer(__DRIscreen *sPriv, __DRIbuffer *bPriv)
333{
334   struct dri2_buffer *buffer = dri2_buffer(bPriv);
335
336   pipe_resource_reference(&buffer->resource, NULL);
337   FREE(buffer);
338}
339
340/*
341 * Backend functions for st_framebuffer interface.
342 */
343
344static void
345dri2_allocate_textures(struct dri_drawable *drawable,
346                       const enum st_attachment_type *statts,
347                       unsigned count)
348{
349   __DRIbuffer *buffers;
350   unsigned num_buffers = count;
351
352   buffers = dri2_drawable_get_buffers(drawable, statts, &num_buffers);
353   if (buffers)
354      dri2_drawable_process_buffers(drawable, buffers, num_buffers);
355}
356
357static void
358dri2_flush_frontbuffer(struct dri_drawable *drawable,
359                       enum st_attachment_type statt)
360{
361   __DRIdrawable *dri_drawable = drawable->dPriv;
362   struct __DRIdri2LoaderExtensionRec *loader = drawable->sPriv->dri2.loader;
363
364   if (loader->flushFrontBuffer == NULL)
365      return;
366
367   if (statt == ST_ATTACHMENT_FRONT_LEFT) {
368      loader->flushFrontBuffer(dri_drawable, dri_drawable->loaderPrivate);
369   }
370}
371
372static __DRIimage *
373dri2_lookup_egl_image(struct dri_screen *screen, void *handle)
374{
375   __DRIimageLookupExtension *loader = screen->sPriv->dri2.image;
376   __DRIimage *img;
377
378   if (!loader->lookupEGLImage)
379      return NULL;
380
381   img = loader->lookupEGLImage(screen->sPriv,
382				handle, screen->sPriv->loaderPrivate);
383
384   return img;
385}
386
387static __DRIimage *
388dri2_create_image_from_name(__DRIscreen *_screen,
389                            int width, int height, int format,
390                            int name, int pitch, void *loaderPrivate)
391{
392   struct dri_screen *screen = dri_screen(_screen);
393   __DRIimage *img;
394   struct pipe_resource templ;
395   struct winsys_handle whandle;
396   unsigned tex_usage;
397   enum pipe_format pf;
398
399   tex_usage = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
400
401   switch (format) {
402   case __DRI_IMAGE_FORMAT_RGB565:
403      pf = PIPE_FORMAT_B5G6R5_UNORM;
404      break;
405   case __DRI_IMAGE_FORMAT_XRGB8888:
406      pf = PIPE_FORMAT_B8G8R8X8_UNORM;
407      break;
408   case __DRI_IMAGE_FORMAT_ARGB8888:
409      pf = PIPE_FORMAT_B8G8R8A8_UNORM;
410      break;
411   default:
412      pf = PIPE_FORMAT_NONE;
413      break;
414   }
415   if (pf == PIPE_FORMAT_NONE)
416      return NULL;
417
418   img = CALLOC_STRUCT(__DRIimageRec);
419   if (!img)
420      return NULL;
421
422   memset(&templ, 0, sizeof(templ));
423   templ.bind = tex_usage;
424   templ.format = pf;
425   templ.target = screen->target;
426   templ.last_level = 0;
427   templ.width0 = width;
428   templ.height0 = height;
429   templ.depth0 = 1;
430   templ.array_size = 1;
431
432   memset(&whandle, 0, sizeof(whandle));
433   whandle.handle = name;
434   whandle.stride = pitch * util_format_get_blocksize(pf);
435
436   img->texture = screen->base.screen->resource_from_handle(screen->base.screen,
437         &templ, &whandle);
438   if (!img->texture) {
439      FREE(img);
440      return NULL;
441   }
442
443   img->level = 0;
444   img->layer = 0;
445   img->loader_private = loaderPrivate;
446
447   return img;
448}
449
450static __DRIimage *
451dri2_create_image_from_renderbuffer(__DRIcontext *context,
452				    int renderbuffer, void *loaderPrivate)
453{
454   struct dri_context *ctx = dri_context(context);
455
456   if (!ctx->st->get_resource_for_egl_image)
457      return NULL;
458
459   /* TODO */
460   return NULL;
461}
462
463static __DRIimage *
464dri2_create_image(__DRIscreen *_screen,
465                   int width, int height, int format,
466                   unsigned int use, void *loaderPrivate)
467{
468   struct dri_screen *screen = dri_screen(_screen);
469   __DRIimage *img;
470   struct pipe_resource templ;
471   unsigned tex_usage;
472   enum pipe_format pf;
473
474   tex_usage = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
475   if (use & __DRI_IMAGE_USE_SCANOUT)
476      tex_usage |= PIPE_BIND_SCANOUT;
477   if (use & __DRI_IMAGE_USE_SHARE)
478      tex_usage |= PIPE_BIND_SHARED;
479   if (use & __DRI_IMAGE_USE_CURSOR) {
480      if (width != 64 || height != 64)
481         return NULL;
482      tex_usage |= PIPE_BIND_CURSOR;
483   }
484
485   switch (format) {
486   case __DRI_IMAGE_FORMAT_RGB565:
487      pf = PIPE_FORMAT_B5G6R5_UNORM;
488      break;
489   case __DRI_IMAGE_FORMAT_XRGB8888:
490      pf = PIPE_FORMAT_B8G8R8X8_UNORM;
491      break;
492   case __DRI_IMAGE_FORMAT_ARGB8888:
493      pf = PIPE_FORMAT_B8G8R8A8_UNORM;
494      break;
495   default:
496      pf = PIPE_FORMAT_NONE;
497      break;
498   }
499   if (pf == PIPE_FORMAT_NONE)
500      return NULL;
501
502   img = CALLOC_STRUCT(__DRIimageRec);
503   if (!img)
504      return NULL;
505
506   memset(&templ, 0, sizeof(templ));
507   templ.bind = tex_usage;
508   templ.format = pf;
509   templ.target = PIPE_TEXTURE_2D;
510   templ.last_level = 0;
511   templ.width0 = width;
512   templ.height0 = height;
513   templ.depth0 = 1;
514   templ.array_size = 1;
515
516   img->texture = screen->base.screen->resource_create(screen->base.screen, &templ);
517   if (!img->texture) {
518      FREE(img);
519      return NULL;
520   }
521
522   img->level = 0;
523   img->layer = 0;
524
525   img->loader_private = loaderPrivate;
526   return img;
527}
528
529static GLboolean
530dri2_query_image(__DRIimage *image, int attrib, int *value)
531{
532   struct winsys_handle whandle;
533   memset(&whandle, 0, sizeof(whandle));
534
535   switch (attrib) {
536   case __DRI_IMAGE_ATTRIB_STRIDE:
537      image->texture->screen->resource_get_handle(image->texture->screen,
538            image->texture, &whandle);
539      *value = whandle.stride;
540      return GL_TRUE;
541   case __DRI_IMAGE_ATTRIB_HANDLE:
542      whandle.type = DRM_API_HANDLE_TYPE_KMS;
543      image->texture->screen->resource_get_handle(image->texture->screen,
544         image->texture, &whandle);
545      *value = whandle.handle;
546      return GL_TRUE;
547   case __DRI_IMAGE_ATTRIB_NAME:
548      whandle.type = DRM_API_HANDLE_TYPE_SHARED;
549      image->texture->screen->resource_get_handle(image->texture->screen,
550         image->texture, &whandle);
551      *value = whandle.handle;
552      return GL_TRUE;
553   default:
554      return GL_FALSE;
555   }
556}
557
558static __DRIimage *
559dri2_dup_image(__DRIimage *image, void *loaderPrivate)
560{
561   __DRIimage *img;
562
563   img = CALLOC_STRUCT(__DRIimageRec);
564   if (!img)
565      return NULL;
566
567   img->texture = NULL;
568   pipe_resource_reference(&img->texture, image->texture);
569   img->level = image->level;
570   img->layer = image->layer;
571   img->loader_private = loaderPrivate;
572
573   return img;
574}
575
576static void
577dri2_destroy_image(__DRIimage *img)
578{
579   pipe_resource_reference(&img->texture, NULL);
580   FREE(img);
581}
582
583static struct __DRIimageExtensionRec dri2ImageExtension = {
584    { __DRI_IMAGE, __DRI_IMAGE_VERSION },
585    dri2_create_image_from_name,
586    dri2_create_image_from_renderbuffer,
587    dri2_destroy_image,
588    dri2_create_image,
589    dri2_query_image,
590    dri2_dup_image,
591};
592
593/*
594 * Backend function init_screen.
595 */
596
597static const __DRIextension *dri_screen_extensions[] = {
598   &driReadDrawableExtension,
599   &driCopySubBufferExtension.base,
600   &driSwapControlExtension.base,
601   &driMediaStreamCounterExtension.base,
602   &driTexBufferExtension.base,
603   &dri2FlushExtension.base,
604   &dri2ImageExtension.base,
605   &dri2ConfigQueryExtension.base,
606   NULL
607};
608
609/**
610 * This is the driver specific part of the createNewScreen entry point.
611 *
612 * Returns the struct gl_config supported by this driver.
613 */
614static const __DRIconfig **
615dri2_init_screen(__DRIscreen * sPriv)
616{
617   const __DRIconfig **configs;
618   struct dri_screen *screen;
619   struct pipe_screen *pscreen;
620
621   screen = CALLOC_STRUCT(dri_screen);
622   if (!screen)
623      return NULL;
624
625   screen->sPriv = sPriv;
626   screen->fd = sPriv->fd;
627
628   sPriv->private = (void *)screen;
629   sPriv->extensions = dri_screen_extensions;
630
631   pscreen = driver_descriptor.create_screen(screen->fd);
632   /* dri_init_screen_helper checks pscreen for us */
633
634   configs = dri_init_screen_helper(screen, pscreen, 32);
635   if (!configs)
636      goto fail;
637
638   sPriv->api_mask = 0;
639   if (screen->st_api->profile_mask & ST_PROFILE_DEFAULT_MASK)
640      sPriv->api_mask |= 1 << __DRI_API_OPENGL;
641   if (screen->st_api->profile_mask & ST_PROFILE_OPENGL_ES1_MASK)
642      sPriv->api_mask |= 1 << __DRI_API_GLES;
643   if (screen->st_api->profile_mask & ST_PROFILE_OPENGL_ES2_MASK)
644      sPriv->api_mask |= 1 << __DRI_API_GLES2;
645
646   screen->auto_fake_front = dri_with_format(sPriv);
647   screen->broken_invalidate = !sPriv->dri2.useInvalidate;
648   screen->lookup_egl_image = dri2_lookup_egl_image;
649
650   return configs;
651fail:
652   dri_destroy_screen_helper(screen);
653   FREE(screen);
654   return NULL;
655}
656
657static boolean
658dri2_create_buffer(__DRIscreen * sPriv,
659                   __DRIdrawable * dPriv,
660                   const struct gl_config * visual, boolean isPixmap)
661{
662   struct dri_drawable *drawable = NULL;
663
664   if (!dri_create_buffer(sPriv, dPriv, visual, isPixmap))
665      return FALSE;
666
667   drawable = dPriv->driverPrivate;
668
669   drawable->allocate_textures = dri2_allocate_textures;
670   drawable->flush_frontbuffer = dri2_flush_frontbuffer;
671
672   return TRUE;
673}
674
675/**
676 * DRI driver virtual function table.
677 *
678 * DRI versions differ in their implementation of init_screen and swap_buffers.
679 */
680const struct __DriverAPIRec driDriverAPI = {
681   .InitScreen = NULL,
682   .InitScreen2 = dri2_init_screen,
683   .DestroyScreen = dri_destroy_screen,
684   .CreateContext = dri_create_context,
685   .DestroyContext = dri_destroy_context,
686   .CreateBuffer = dri2_create_buffer,
687   .DestroyBuffer = dri_destroy_buffer,
688   .MakeCurrent = dri_make_current,
689   .UnbindContext = dri_unbind_context,
690
691   .GetSwapInfo = NULL,
692   .GetDrawableMSC = NULL,
693   .WaitForMSC = NULL,
694
695   .SwapBuffers = NULL,
696   .CopySubBuffer = NULL,
697
698   .AllocateBuffer = dri2_allocate_buffer,
699   .ReleaseBuffer  = dri2_release_buffer,
700};
701
702/* This is the table of extensions that the loader will dlsym() for. */
703PUBLIC const __DRIextension *__driDriverExtensions[] = {
704    &driCoreExtension.base,
705    &driLegacyExtension.base,
706    &driDRI2Extension.base,
707    NULL
708};
709
710/* vim: set sw=3 ts=8 sts=3 expandtab: */
711