dri2.c revision 421235d42ad9921fd45332ec7b33bcee5c1ad33d
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 *dPriv) 48{ 49 struct dri_context *ctx = dri_get_current(dPriv->driScreenPriv); 50 struct dri_drawable *drawable = dri_drawable(dPriv); 51 52 struct pipe_resource *ptex = drawable->textures[ST_ATTACHMENT_BACK_LEFT]; 53 54 if (ctx) { 55 if (ptex && ctx->pp && drawable->textures[ST_ATTACHMENT_DEPTH_STENCIL]) 56 pp_run(ctx->pp, ptex, ptex, drawable->textures[ST_ATTACHMENT_DEPTH_STENCIL]); 57 58 ctx->st->flush(ctx->st, 0, NULL); 59 } 60} 61 62static void 63dri2_invalidate_drawable(__DRIdrawable *dPriv) 64{ 65 struct dri_drawable *drawable = dri_drawable(dPriv); 66 67 dri2InvalidateDrawable(dPriv); 68 drawable->dPriv->lastStamp = *drawable->dPriv->pStamp; 69 70 p_atomic_inc(&drawable->base.stamp); 71} 72 73static const __DRI2flushExtension dri2FlushExtension = { 74 { __DRI2_FLUSH, __DRI2_FLUSH_VERSION }, 75 dri2_flush_drawable, 76 dri2_invalidate_drawable, 77}; 78 79/** 80 * Retrieve __DRIbuffer from the DRI loader. 81 */ 82static __DRIbuffer * 83dri2_drawable_get_buffers(struct dri_drawable *drawable, 84 const enum st_attachment_type *statts, 85 unsigned *count) 86{ 87 __DRIdrawable *dri_drawable = drawable->dPriv; 88 struct __DRIdri2LoaderExtensionRec *loader = drawable->sPriv->dri2.loader; 89 boolean with_format; 90 __DRIbuffer *buffers; 91 int num_buffers; 92 unsigned attachments[10]; 93 unsigned num_attachments, i; 94 95 assert(loader); 96 with_format = dri_with_format(drawable->sPriv); 97 98 num_attachments = 0; 99 100 /* for Xserver 1.6.0 (DRI2 version 1) we always need to ask for the front */ 101 if (!with_format) 102 attachments[num_attachments++] = __DRI_BUFFER_FRONT_LEFT; 103 104 for (i = 0; i < *count; i++) { 105 enum pipe_format format; 106 unsigned bind; 107 int att, bpp; 108 109 dri_drawable_get_format(drawable, statts[i], &format, &bind); 110 if (format == PIPE_FORMAT_NONE) 111 continue; 112 113 switch (statts[i]) { 114 case ST_ATTACHMENT_FRONT_LEFT: 115 /* already added */ 116 if (!with_format) 117 continue; 118 att = __DRI_BUFFER_FRONT_LEFT; 119 break; 120 case ST_ATTACHMENT_BACK_LEFT: 121 att = __DRI_BUFFER_BACK_LEFT; 122 break; 123 case ST_ATTACHMENT_FRONT_RIGHT: 124 att = __DRI_BUFFER_FRONT_RIGHT; 125 break; 126 case ST_ATTACHMENT_BACK_RIGHT: 127 att = __DRI_BUFFER_BACK_RIGHT; 128 break; 129 case ST_ATTACHMENT_DEPTH_STENCIL: 130 att = __DRI_BUFFER_DEPTH_STENCIL; 131 break; 132 default: 133 att = -1; 134 break; 135 } 136 137 bpp = util_format_get_blocksizebits(format); 138 139 if (att >= 0) { 140 attachments[num_attachments++] = att; 141 if (with_format) { 142 attachments[num_attachments++] = bpp; 143 } 144 } 145 } 146 147 if (with_format) { 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); 153 } 154 else { 155 buffers = loader->getBuffers(dri_drawable, 156 &dri_drawable->w, &dri_drawable->h, 157 attachments, num_attachments, 158 &num_buffers, dri_drawable->loaderPrivate); 159 } 160 161 if (buffers) { 162 /* set one cliprect to cover the whole dri_drawable */ 163 dri_drawable->x = 0; 164 dri_drawable->y = 0; 165 dri_drawable->backX = 0; 166 dri_drawable->backY = 0; 167 dri_drawable->numClipRects = 1; 168 dri_drawable->pClipRects[0].x1 = 0; 169 dri_drawable->pClipRects[0].y1 = 0; 170 dri_drawable->pClipRects[0].x2 = dri_drawable->w; 171 dri_drawable->pClipRects[0].y2 = dri_drawable->h; 172 dri_drawable->numBackClipRects = 1; 173 dri_drawable->pBackClipRects[0].x1 = 0; 174 dri_drawable->pBackClipRects[0].y1 = 0; 175 dri_drawable->pBackClipRects[0].x2 = dri_drawable->w; 176 dri_drawable->pBackClipRects[0].y2 = dri_drawable->h; 177 178 *count = num_buffers; 179 } 180 181 return buffers; 182} 183 184/** 185 * Process __DRIbuffer and convert them into pipe_resources. 186 */ 187static void 188dri2_drawable_process_buffers(struct dri_drawable *drawable, 189 __DRIbuffer *buffers, unsigned count) 190{ 191 struct dri_screen *screen = dri_screen(drawable->sPriv); 192 __DRIdrawable *dri_drawable = drawable->dPriv; 193 struct pipe_resource templ; 194 struct winsys_handle whandle; 195 boolean have_depth = FALSE; 196 unsigned i, bind; 197 198 if (drawable->old_num == count && 199 drawable->old_w == dri_drawable->w && 200 drawable->old_h == dri_drawable->h && 201 memcmp(drawable->old, buffers, sizeof(__DRIbuffer) * count) == 0) 202 return; 203 204 for (i = 0; i < ST_ATTACHMENT_COUNT; i++) 205 pipe_resource_reference(&drawable->textures[i], NULL); 206 207 memset(&templ, 0, sizeof(templ)); 208 templ.target = screen->target; 209 templ.last_level = 0; 210 templ.width0 = dri_drawable->w; 211 templ.height0 = dri_drawable->h; 212 templ.depth0 = 1; 213 templ.array_size = 1; 214 215 memset(&whandle, 0, sizeof(whandle)); 216 217 for (i = 0; i < count; i++) { 218 __DRIbuffer *buf = &buffers[i]; 219 enum st_attachment_type statt; 220 enum pipe_format format; 221 222 switch (buf->attachment) { 223 case __DRI_BUFFER_FRONT_LEFT: 224 if (!screen->auto_fake_front) { 225 statt = ST_ATTACHMENT_INVALID; 226 break; 227 } 228 /* fallthrough */ 229 case __DRI_BUFFER_FAKE_FRONT_LEFT: 230 statt = ST_ATTACHMENT_FRONT_LEFT; 231 break; 232 case __DRI_BUFFER_BACK_LEFT: 233 statt = ST_ATTACHMENT_BACK_LEFT; 234 break; 235 case __DRI_BUFFER_DEPTH: 236 case __DRI_BUFFER_DEPTH_STENCIL: 237 case __DRI_BUFFER_STENCIL: 238 /* use only the first depth/stencil buffer */ 239 if (!have_depth) { 240 have_depth = TRUE; 241 statt = ST_ATTACHMENT_DEPTH_STENCIL; 242 } 243 else { 244 statt = ST_ATTACHMENT_INVALID; 245 } 246 break; 247 default: 248 statt = ST_ATTACHMENT_INVALID; 249 break; 250 } 251 252 dri_drawable_get_format(drawable, statt, &format, &bind); 253 if (statt == ST_ATTACHMENT_INVALID || format == PIPE_FORMAT_NONE) 254 continue; 255 256 templ.format = format; 257 templ.bind = bind; 258 whandle.handle = buf->name; 259 whandle.stride = buf->pitch; 260 261 drawable->textures[statt] = 262 screen->base.screen->resource_from_handle(screen->base.screen, 263 &templ, &whandle); 264 } 265 266 drawable->old_num = count; 267 drawable->old_w = dri_drawable->w; 268 drawable->old_h = dri_drawable->h; 269 memcpy(drawable->old, buffers, sizeof(__DRIbuffer) * count); 270} 271 272static __DRIbuffer * 273dri2_allocate_buffer(__DRIscreen *sPriv, 274 unsigned attachment, unsigned format, 275 int width, int height) 276{ 277 struct dri_screen *screen = dri_screen(sPriv); 278 struct dri2_buffer *buffer; 279 struct pipe_resource templ; 280 enum pipe_format pf; 281 unsigned bind = 0; 282 struct winsys_handle whandle; 283 284 switch (attachment) { 285 case __DRI_BUFFER_FRONT_LEFT: 286 case __DRI_BUFFER_FAKE_FRONT_LEFT: 287 bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW; 288 break; 289 case __DRI_BUFFER_BACK_LEFT: 290 bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW; 291 break; 292 case __DRI_BUFFER_DEPTH: 293 case __DRI_BUFFER_DEPTH_STENCIL: 294 case __DRI_BUFFER_STENCIL: 295 bind = PIPE_BIND_DEPTH_STENCIL; /* XXX sampler? */ 296 break; 297 } 298 299 switch (format) { 300 case 32: 301 pf = PIPE_FORMAT_B8G8R8X8_UNORM; 302 break; 303 case 16: 304 pf = PIPE_FORMAT_Z16_UNORM; 305 break; 306 default: 307 return NULL; 308 } 309 310 buffer = CALLOC_STRUCT(dri2_buffer); 311 if (!buffer) 312 return NULL; 313 314 memset(&templ, 0, sizeof(templ)); 315 templ.bind = bind; 316 templ.format = pf; 317 templ.target = PIPE_TEXTURE_2D; 318 templ.last_level = 0; 319 templ.width0 = width; 320 templ.height0 = height; 321 templ.depth0 = 1; 322 templ.array_size = 1; 323 324 buffer->resource = 325 screen->base.screen->resource_create(screen->base.screen, &templ); 326 if (!buffer->resource) 327 return NULL; 328 329 memset(&whandle, 0, sizeof(whandle)); 330 whandle.type = DRM_API_HANDLE_TYPE_SHARED; 331 screen->base.screen->resource_get_handle(screen->base.screen, 332 buffer->resource, &whandle); 333 334 buffer->base.attachment = attachment; 335 buffer->base.name = whandle.handle; 336 buffer->base.cpp = util_format_get_blocksize(pf); 337 buffer->base.pitch = whandle.stride; 338 339 return &buffer->base; 340} 341 342static void 343dri2_release_buffer(__DRIscreen *sPriv, __DRIbuffer *bPriv) 344{ 345 struct dri2_buffer *buffer = dri2_buffer(bPriv); 346 347 pipe_resource_reference(&buffer->resource, NULL); 348 FREE(buffer); 349} 350 351/* 352 * Backend functions for st_framebuffer interface. 353 */ 354 355static void 356dri2_allocate_textures(struct dri_drawable *drawable, 357 const enum st_attachment_type *statts, 358 unsigned count) 359{ 360 __DRIbuffer *buffers; 361 unsigned num_buffers = count; 362 363 buffers = dri2_drawable_get_buffers(drawable, statts, &num_buffers); 364 if (buffers) 365 dri2_drawable_process_buffers(drawable, buffers, num_buffers); 366} 367 368static void 369dri2_flush_frontbuffer(struct dri_drawable *drawable, 370 enum st_attachment_type statt) 371{ 372 __DRIdrawable *dri_drawable = drawable->dPriv; 373 struct __DRIdri2LoaderExtensionRec *loader = drawable->sPriv->dri2.loader; 374 375 if (loader->flushFrontBuffer == NULL) 376 return; 377 378 if (statt == ST_ATTACHMENT_FRONT_LEFT) { 379 loader->flushFrontBuffer(dri_drawable, dri_drawable->loaderPrivate); 380 } 381} 382 383static __DRIimage * 384dri2_lookup_egl_image(struct dri_screen *screen, void *handle) 385{ 386 __DRIimageLookupExtension *loader = screen->sPriv->dri2.image; 387 __DRIimage *img; 388 389 if (!loader->lookupEGLImage) 390 return NULL; 391 392 img = loader->lookupEGLImage(screen->sPriv, 393 handle, screen->sPriv->loaderPrivate); 394 395 return img; 396} 397 398static __DRIimage * 399dri2_create_image_from_name(__DRIscreen *_screen, 400 int width, int height, int format, 401 int name, int pitch, void *loaderPrivate) 402{ 403 struct dri_screen *screen = dri_screen(_screen); 404 __DRIimage *img; 405 struct pipe_resource templ; 406 struct winsys_handle whandle; 407 unsigned tex_usage; 408 enum pipe_format pf; 409 410 tex_usage = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW; 411 412 switch (format) { 413 case __DRI_IMAGE_FORMAT_RGB565: 414 pf = PIPE_FORMAT_B5G6R5_UNORM; 415 break; 416 case __DRI_IMAGE_FORMAT_XRGB8888: 417 pf = PIPE_FORMAT_B8G8R8X8_UNORM; 418 break; 419 case __DRI_IMAGE_FORMAT_ARGB8888: 420 pf = PIPE_FORMAT_B8G8R8A8_UNORM; 421 break; 422 default: 423 pf = PIPE_FORMAT_NONE; 424 break; 425 } 426 if (pf == PIPE_FORMAT_NONE) 427 return NULL; 428 429 img = CALLOC_STRUCT(__DRIimageRec); 430 if (!img) 431 return NULL; 432 433 memset(&templ, 0, sizeof(templ)); 434 templ.bind = tex_usage; 435 templ.format = pf; 436 templ.target = screen->target; 437 templ.last_level = 0; 438 templ.width0 = width; 439 templ.height0 = height; 440 templ.depth0 = 1; 441 templ.array_size = 1; 442 443 memset(&whandle, 0, sizeof(whandle)); 444 whandle.handle = name; 445 whandle.stride = pitch * util_format_get_blocksize(pf); 446 447 img->texture = screen->base.screen->resource_from_handle(screen->base.screen, 448 &templ, &whandle); 449 if (!img->texture) { 450 FREE(img); 451 return NULL; 452 } 453 454 img->level = 0; 455 img->layer = 0; 456 img->loader_private = loaderPrivate; 457 458 return img; 459} 460 461static __DRIimage * 462dri2_create_image_from_renderbuffer(__DRIcontext *context, 463 int renderbuffer, void *loaderPrivate) 464{ 465 struct dri_context *ctx = dri_context(context); 466 467 if (!ctx->st->get_resource_for_egl_image) 468 return NULL; 469 470 /* TODO */ 471 return NULL; 472} 473 474static __DRIimage * 475dri2_create_image(__DRIscreen *_screen, 476 int width, int height, int format, 477 unsigned int use, void *loaderPrivate) 478{ 479 struct dri_screen *screen = dri_screen(_screen); 480 __DRIimage *img; 481 struct pipe_resource templ; 482 unsigned tex_usage; 483 enum pipe_format pf; 484 485 tex_usage = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW; 486 if (use & __DRI_IMAGE_USE_SCANOUT) 487 tex_usage |= PIPE_BIND_SCANOUT; 488 if (use & __DRI_IMAGE_USE_SHARE) 489 tex_usage |= PIPE_BIND_SHARED; 490 if (use & __DRI_IMAGE_USE_CURSOR) { 491 if (width != 64 || height != 64) 492 return NULL; 493 tex_usage |= PIPE_BIND_CURSOR; 494 } 495 496 switch (format) { 497 case __DRI_IMAGE_FORMAT_RGB565: 498 pf = PIPE_FORMAT_B5G6R5_UNORM; 499 break; 500 case __DRI_IMAGE_FORMAT_XRGB8888: 501 pf = PIPE_FORMAT_B8G8R8X8_UNORM; 502 break; 503 case __DRI_IMAGE_FORMAT_ARGB8888: 504 pf = PIPE_FORMAT_B8G8R8A8_UNORM; 505 break; 506 default: 507 pf = PIPE_FORMAT_NONE; 508 break; 509 } 510 if (pf == PIPE_FORMAT_NONE) 511 return NULL; 512 513 img = CALLOC_STRUCT(__DRIimageRec); 514 if (!img) 515 return NULL; 516 517 memset(&templ, 0, sizeof(templ)); 518 templ.bind = tex_usage; 519 templ.format = pf; 520 templ.target = PIPE_TEXTURE_2D; 521 templ.last_level = 0; 522 templ.width0 = width; 523 templ.height0 = height; 524 templ.depth0 = 1; 525 templ.array_size = 1; 526 527 img->texture = screen->base.screen->resource_create(screen->base.screen, &templ); 528 if (!img->texture) { 529 FREE(img); 530 return NULL; 531 } 532 533 img->level = 0; 534 img->layer = 0; 535 536 img->loader_private = loaderPrivate; 537 return img; 538} 539 540static GLboolean 541dri2_query_image(__DRIimage *image, int attrib, int *value) 542{ 543 struct winsys_handle whandle; 544 memset(&whandle, 0, sizeof(whandle)); 545 546 switch (attrib) { 547 case __DRI_IMAGE_ATTRIB_STRIDE: 548 image->texture->screen->resource_get_handle(image->texture->screen, 549 image->texture, &whandle); 550 *value = whandle.stride; 551 return GL_TRUE; 552 case __DRI_IMAGE_ATTRIB_HANDLE: 553 whandle.type = DRM_API_HANDLE_TYPE_KMS; 554 image->texture->screen->resource_get_handle(image->texture->screen, 555 image->texture, &whandle); 556 *value = whandle.handle; 557 return GL_TRUE; 558 case __DRI_IMAGE_ATTRIB_NAME: 559 whandle.type = DRM_API_HANDLE_TYPE_SHARED; 560 image->texture->screen->resource_get_handle(image->texture->screen, 561 image->texture, &whandle); 562 *value = whandle.handle; 563 return GL_TRUE; 564 default: 565 return GL_FALSE; 566 } 567} 568 569static __DRIimage * 570dri2_dup_image(__DRIimage *image, void *loaderPrivate) 571{ 572 __DRIimage *img; 573 574 img = CALLOC_STRUCT(__DRIimageRec); 575 if (!img) 576 return NULL; 577 578 img->texture = NULL; 579 pipe_resource_reference(&img->texture, image->texture); 580 img->level = image->level; 581 img->layer = image->layer; 582 img->loader_private = loaderPrivate; 583 584 return img; 585} 586 587static void 588dri2_destroy_image(__DRIimage *img) 589{ 590 pipe_resource_reference(&img->texture, NULL); 591 FREE(img); 592} 593 594static struct __DRIimageExtensionRec dri2ImageExtension = { 595 { __DRI_IMAGE, __DRI_IMAGE_VERSION }, 596 dri2_create_image_from_name, 597 dri2_create_image_from_renderbuffer, 598 dri2_destroy_image, 599 dri2_create_image, 600 dri2_query_image, 601 dri2_dup_image, 602}; 603 604/* 605 * Backend function init_screen. 606 */ 607 608static const __DRIextension *dri_screen_extensions[] = { 609 &driReadDrawableExtension, 610 &driCopySubBufferExtension.base, 611 &driSwapControlExtension.base, 612 &driMediaStreamCounterExtension.base, 613 &driTexBufferExtension.base, 614 &dri2FlushExtension.base, 615 &dri2ImageExtension.base, 616 &dri2ConfigQueryExtension.base, 617 NULL 618}; 619 620/** 621 * This is the driver specific part of the createNewScreen entry point. 622 * 623 * Returns the struct gl_config supported by this driver. 624 */ 625static const __DRIconfig ** 626dri2_init_screen(__DRIscreen * sPriv) 627{ 628 const __DRIconfig **configs; 629 struct dri_screen *screen; 630 struct pipe_screen *pscreen; 631 632 screen = CALLOC_STRUCT(dri_screen); 633 if (!screen) 634 return NULL; 635 636 screen->sPriv = sPriv; 637 screen->fd = sPriv->fd; 638 639 sPriv->private = (void *)screen; 640 sPriv->extensions = dri_screen_extensions; 641 642 pscreen = driver_descriptor.create_screen(screen->fd); 643 /* dri_init_screen_helper checks pscreen for us */ 644 645 configs = dri_init_screen_helper(screen, pscreen, 32); 646 if (!configs) 647 goto fail; 648 649 sPriv->api_mask = 0; 650 if (screen->st_api->profile_mask & ST_PROFILE_DEFAULT_MASK) 651 sPriv->api_mask |= 1 << __DRI_API_OPENGL; 652 if (screen->st_api->profile_mask & ST_PROFILE_OPENGL_ES1_MASK) 653 sPriv->api_mask |= 1 << __DRI_API_GLES; 654 if (screen->st_api->profile_mask & ST_PROFILE_OPENGL_ES2_MASK) 655 sPriv->api_mask |= 1 << __DRI_API_GLES2; 656 657 screen->auto_fake_front = dri_with_format(sPriv); 658 screen->broken_invalidate = !sPriv->dri2.useInvalidate; 659 screen->lookup_egl_image = dri2_lookup_egl_image; 660 661 return configs; 662fail: 663 dri_destroy_screen_helper(screen); 664 FREE(screen); 665 return NULL; 666} 667 668static boolean 669dri2_create_buffer(__DRIscreen * sPriv, 670 __DRIdrawable * dPriv, 671 const struct gl_config * visual, boolean isPixmap) 672{ 673 struct dri_drawable *drawable = NULL; 674 675 if (!dri_create_buffer(sPriv, dPriv, visual, isPixmap)) 676 return FALSE; 677 678 drawable = dPriv->driverPrivate; 679 680 drawable->allocate_textures = dri2_allocate_textures; 681 drawable->flush_frontbuffer = dri2_flush_frontbuffer; 682 683 return TRUE; 684} 685 686/** 687 * DRI driver virtual function table. 688 * 689 * DRI versions differ in their implementation of init_screen and swap_buffers. 690 */ 691const struct __DriverAPIRec driDriverAPI = { 692 .InitScreen = NULL, 693 .InitScreen2 = dri2_init_screen, 694 .DestroyScreen = dri_destroy_screen, 695 .CreateContext = dri_create_context, 696 .DestroyContext = dri_destroy_context, 697 .CreateBuffer = dri2_create_buffer, 698 .DestroyBuffer = dri_destroy_buffer, 699 .MakeCurrent = dri_make_current, 700 .UnbindContext = dri_unbind_context, 701 702 .GetSwapInfo = NULL, 703 .GetDrawableMSC = NULL, 704 .WaitForMSC = NULL, 705 706 .SwapBuffers = NULL, 707 .CopySubBuffer = NULL, 708 709 .AllocateBuffer = dri2_allocate_buffer, 710 .ReleaseBuffer = dri2_release_buffer, 711}; 712 713/* This is the table of extensions that the loader will dlsym() for. */ 714PUBLIC const __DRIextension *__driDriverExtensions[] = { 715 &driCoreExtension.base, 716 &driLegacyExtension.base, 717 &driDRI2Extension.base, 718 NULL 719}; 720 721/* vim: set sw=3 ts=8 sts=3 expandtab: */ 722