dri2.c revision d14a1071582c9a802f0b37556665b79f38f7eaae
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->dri2.stamp; 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 *count = num_buffers; 163 164 return buffers; 165} 166 167/** 168 * Process __DRIbuffer and convert them into pipe_resources. 169 */ 170static void 171dri2_drawable_process_buffers(struct dri_drawable *drawable, 172 __DRIbuffer *buffers, unsigned count) 173{ 174 struct dri_screen *screen = dri_screen(drawable->sPriv); 175 __DRIdrawable *dri_drawable = drawable->dPriv; 176 struct pipe_resource templ; 177 struct winsys_handle whandle; 178 boolean have_depth = FALSE; 179 unsigned i, bind; 180 181 if (drawable->old_num == count && 182 drawable->old_w == dri_drawable->w && 183 drawable->old_h == dri_drawable->h && 184 memcmp(drawable->old, buffers, sizeof(__DRIbuffer) * count) == 0) 185 return; 186 187 for (i = 0; i < ST_ATTACHMENT_COUNT; i++) 188 pipe_resource_reference(&drawable->textures[i], NULL); 189 190 memset(&templ, 0, sizeof(templ)); 191 templ.target = screen->target; 192 templ.last_level = 0; 193 templ.width0 = dri_drawable->w; 194 templ.height0 = dri_drawable->h; 195 templ.depth0 = 1; 196 templ.array_size = 1; 197 198 memset(&whandle, 0, sizeof(whandle)); 199 200 for (i = 0; i < count; i++) { 201 __DRIbuffer *buf = &buffers[i]; 202 enum st_attachment_type statt; 203 enum pipe_format format; 204 205 switch (buf->attachment) { 206 case __DRI_BUFFER_FRONT_LEFT: 207 if (!screen->auto_fake_front) { 208 statt = ST_ATTACHMENT_INVALID; 209 break; 210 } 211 /* fallthrough */ 212 case __DRI_BUFFER_FAKE_FRONT_LEFT: 213 statt = ST_ATTACHMENT_FRONT_LEFT; 214 break; 215 case __DRI_BUFFER_BACK_LEFT: 216 statt = ST_ATTACHMENT_BACK_LEFT; 217 break; 218 case __DRI_BUFFER_DEPTH: 219 case __DRI_BUFFER_DEPTH_STENCIL: 220 case __DRI_BUFFER_STENCIL: 221 /* use only the first depth/stencil buffer */ 222 if (!have_depth) { 223 have_depth = TRUE; 224 statt = ST_ATTACHMENT_DEPTH_STENCIL; 225 } 226 else { 227 statt = ST_ATTACHMENT_INVALID; 228 } 229 break; 230 default: 231 statt = ST_ATTACHMENT_INVALID; 232 break; 233 } 234 235 dri_drawable_get_format(drawable, statt, &format, &bind); 236 if (statt == ST_ATTACHMENT_INVALID || format == PIPE_FORMAT_NONE) 237 continue; 238 239 templ.format = format; 240 templ.bind = bind; 241 whandle.handle = buf->name; 242 whandle.stride = buf->pitch; 243 244 drawable->textures[statt] = 245 screen->base.screen->resource_from_handle(screen->base.screen, 246 &templ, &whandle); 247 } 248 249 drawable->old_num = count; 250 drawable->old_w = dri_drawable->w; 251 drawable->old_h = dri_drawable->h; 252 memcpy(drawable->old, buffers, sizeof(__DRIbuffer) * count); 253} 254 255static __DRIbuffer * 256dri2_allocate_buffer(__DRIscreen *sPriv, 257 unsigned attachment, unsigned format, 258 int width, int height) 259{ 260 struct dri_screen *screen = dri_screen(sPriv); 261 struct dri2_buffer *buffer; 262 struct pipe_resource templ; 263 enum pipe_format pf; 264 unsigned bind = 0; 265 struct winsys_handle whandle; 266 267 switch (attachment) { 268 case __DRI_BUFFER_FRONT_LEFT: 269 case __DRI_BUFFER_FAKE_FRONT_LEFT: 270 bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW; 271 break; 272 case __DRI_BUFFER_BACK_LEFT: 273 bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW; 274 break; 275 case __DRI_BUFFER_DEPTH: 276 case __DRI_BUFFER_DEPTH_STENCIL: 277 case __DRI_BUFFER_STENCIL: 278 bind = PIPE_BIND_DEPTH_STENCIL; /* XXX sampler? */ 279 break; 280 } 281 282 switch (format) { 283 case 32: 284 pf = PIPE_FORMAT_B8G8R8X8_UNORM; 285 break; 286 case 16: 287 pf = PIPE_FORMAT_Z16_UNORM; 288 break; 289 default: 290 return NULL; 291 } 292 293 buffer = CALLOC_STRUCT(dri2_buffer); 294 if (!buffer) 295 return NULL; 296 297 memset(&templ, 0, sizeof(templ)); 298 templ.bind = bind; 299 templ.format = pf; 300 templ.target = PIPE_TEXTURE_2D; 301 templ.last_level = 0; 302 templ.width0 = width; 303 templ.height0 = height; 304 templ.depth0 = 1; 305 templ.array_size = 1; 306 307 buffer->resource = 308 screen->base.screen->resource_create(screen->base.screen, &templ); 309 if (!buffer->resource) 310 return NULL; 311 312 memset(&whandle, 0, sizeof(whandle)); 313 whandle.type = DRM_API_HANDLE_TYPE_SHARED; 314 screen->base.screen->resource_get_handle(screen->base.screen, 315 buffer->resource, &whandle); 316 317 buffer->base.attachment = attachment; 318 buffer->base.name = whandle.handle; 319 buffer->base.cpp = util_format_get_blocksize(pf); 320 buffer->base.pitch = whandle.stride; 321 322 return &buffer->base; 323} 324 325static void 326dri2_release_buffer(__DRIscreen *sPriv, __DRIbuffer *bPriv) 327{ 328 struct dri2_buffer *buffer = dri2_buffer(bPriv); 329 330 pipe_resource_reference(&buffer->resource, NULL); 331 FREE(buffer); 332} 333 334/* 335 * Backend functions for st_framebuffer interface. 336 */ 337 338static void 339dri2_allocate_textures(struct dri_drawable *drawable, 340 const enum st_attachment_type *statts, 341 unsigned count) 342{ 343 __DRIbuffer *buffers; 344 unsigned num_buffers = count; 345 346 buffers = dri2_drawable_get_buffers(drawable, statts, &num_buffers); 347 if (buffers) 348 dri2_drawable_process_buffers(drawable, buffers, num_buffers); 349} 350 351static void 352dri2_flush_frontbuffer(struct dri_drawable *drawable, 353 enum st_attachment_type statt) 354{ 355 __DRIdrawable *dri_drawable = drawable->dPriv; 356 struct __DRIdri2LoaderExtensionRec *loader = drawable->sPriv->dri2.loader; 357 358 if (loader->flushFrontBuffer == NULL) 359 return; 360 361 if (statt == ST_ATTACHMENT_FRONT_LEFT) { 362 loader->flushFrontBuffer(dri_drawable, dri_drawable->loaderPrivate); 363 } 364} 365 366static void 367dri2_update_tex_buffer(struct dri_drawable *drawable, 368 struct dri_context *ctx, 369 struct pipe_resource *res) 370{ 371 /* no-op */ 372} 373 374static __DRIimage * 375dri2_lookup_egl_image(struct dri_screen *screen, void *handle) 376{ 377 __DRIimageLookupExtension *loader = screen->sPriv->dri2.image; 378 __DRIimage *img; 379 380 if (!loader->lookupEGLImage) 381 return NULL; 382 383 img = loader->lookupEGLImage(screen->sPriv, 384 handle, screen->sPriv->loaderPrivate); 385 386 return img; 387} 388 389static __DRIimage * 390dri2_create_image_from_name(__DRIscreen *_screen, 391 int width, int height, int format, 392 int name, int pitch, void *loaderPrivate) 393{ 394 struct dri_screen *screen = dri_screen(_screen); 395 __DRIimage *img; 396 struct pipe_resource templ; 397 struct winsys_handle whandle; 398 unsigned tex_usage; 399 enum pipe_format pf; 400 401 tex_usage = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW; 402 403 switch (format) { 404 case __DRI_IMAGE_FORMAT_RGB565: 405 pf = PIPE_FORMAT_B5G6R5_UNORM; 406 break; 407 case __DRI_IMAGE_FORMAT_XRGB8888: 408 pf = PIPE_FORMAT_B8G8R8X8_UNORM; 409 break; 410 case __DRI_IMAGE_FORMAT_ARGB8888: 411 pf = PIPE_FORMAT_B8G8R8A8_UNORM; 412 break; 413 case __DRI_IMAGE_FORMAT_ABGR8888: 414 pf = PIPE_FORMAT_R8G8B8A8_UNORM; 415 break; 416 default: 417 pf = PIPE_FORMAT_NONE; 418 break; 419 } 420 if (pf == PIPE_FORMAT_NONE) 421 return NULL; 422 423 img = CALLOC_STRUCT(__DRIimageRec); 424 if (!img) 425 return NULL; 426 427 memset(&templ, 0, sizeof(templ)); 428 templ.bind = tex_usage; 429 templ.format = pf; 430 templ.target = screen->target; 431 templ.last_level = 0; 432 templ.width0 = width; 433 templ.height0 = height; 434 templ.depth0 = 1; 435 templ.array_size = 1; 436 437 memset(&whandle, 0, sizeof(whandle)); 438 whandle.handle = name; 439 whandle.stride = pitch * util_format_get_blocksize(pf); 440 441 img->texture = screen->base.screen->resource_from_handle(screen->base.screen, 442 &templ, &whandle); 443 if (!img->texture) { 444 FREE(img); 445 return NULL; 446 } 447 448 img->level = 0; 449 img->layer = 0; 450 img->loader_private = loaderPrivate; 451 452 return img; 453} 454 455static __DRIimage * 456dri2_create_image_from_renderbuffer(__DRIcontext *context, 457 int renderbuffer, void *loaderPrivate) 458{ 459 struct dri_context *ctx = dri_context(context); 460 461 if (!ctx->st->get_resource_for_egl_image) 462 return NULL; 463 464 /* TODO */ 465 return NULL; 466} 467 468static __DRIimage * 469dri2_create_image(__DRIscreen *_screen, 470 int width, int height, int format, 471 unsigned int use, void *loaderPrivate) 472{ 473 struct dri_screen *screen = dri_screen(_screen); 474 __DRIimage *img; 475 struct pipe_resource templ; 476 unsigned tex_usage; 477 enum pipe_format pf; 478 479 tex_usage = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW; 480 if (use & __DRI_IMAGE_USE_SCANOUT) 481 tex_usage |= PIPE_BIND_SCANOUT; 482 if (use & __DRI_IMAGE_USE_SHARE) 483 tex_usage |= PIPE_BIND_SHARED; 484 if (use & __DRI_IMAGE_USE_CURSOR) { 485 if (width != 64 || height != 64) 486 return NULL; 487 tex_usage |= PIPE_BIND_CURSOR; 488 } 489 490 switch (format) { 491 case __DRI_IMAGE_FORMAT_RGB565: 492 pf = PIPE_FORMAT_B5G6R5_UNORM; 493 break; 494 case __DRI_IMAGE_FORMAT_XRGB8888: 495 pf = PIPE_FORMAT_B8G8R8X8_UNORM; 496 break; 497 case __DRI_IMAGE_FORMAT_ARGB8888: 498 pf = PIPE_FORMAT_B8G8R8A8_UNORM; 499 break; 500 case __DRI_IMAGE_FORMAT_ABGR8888: 501 pf = PIPE_FORMAT_R8G8B8A8_UNORM; 502 break; 503 default: 504 pf = PIPE_FORMAT_NONE; 505 break; 506 } 507 if (pf == PIPE_FORMAT_NONE) 508 return NULL; 509 510 img = CALLOC_STRUCT(__DRIimageRec); 511 if (!img) 512 return NULL; 513 514 memset(&templ, 0, sizeof(templ)); 515 templ.bind = tex_usage; 516 templ.format = pf; 517 templ.target = PIPE_TEXTURE_2D; 518 templ.last_level = 0; 519 templ.width0 = width; 520 templ.height0 = height; 521 templ.depth0 = 1; 522 templ.array_size = 1; 523 524 img->texture = screen->base.screen->resource_create(screen->base.screen, &templ); 525 if (!img->texture) { 526 FREE(img); 527 return NULL; 528 } 529 530 img->level = 0; 531 img->layer = 0; 532 533 img->loader_private = loaderPrivate; 534 return img; 535} 536 537static GLboolean 538dri2_query_image(__DRIimage *image, int attrib, int *value) 539{ 540 struct winsys_handle whandle; 541 memset(&whandle, 0, sizeof(whandle)); 542 543 switch (attrib) { 544 case __DRI_IMAGE_ATTRIB_STRIDE: 545 image->texture->screen->resource_get_handle(image->texture->screen, 546 image->texture, &whandle); 547 *value = whandle.stride; 548 return GL_TRUE; 549 case __DRI_IMAGE_ATTRIB_HANDLE: 550 whandle.type = DRM_API_HANDLE_TYPE_KMS; 551 image->texture->screen->resource_get_handle(image->texture->screen, 552 image->texture, &whandle); 553 *value = whandle.handle; 554 return GL_TRUE; 555 case __DRI_IMAGE_ATTRIB_NAME: 556 whandle.type = DRM_API_HANDLE_TYPE_SHARED; 557 image->texture->screen->resource_get_handle(image->texture->screen, 558 image->texture, &whandle); 559 *value = whandle.handle; 560 return GL_TRUE; 561 default: 562 return GL_FALSE; 563 } 564} 565 566static __DRIimage * 567dri2_dup_image(__DRIimage *image, void *loaderPrivate) 568{ 569 __DRIimage *img; 570 571 img = CALLOC_STRUCT(__DRIimageRec); 572 if (!img) 573 return NULL; 574 575 img->texture = NULL; 576 pipe_resource_reference(&img->texture, image->texture); 577 img->level = image->level; 578 img->layer = image->layer; 579 img->loader_private = loaderPrivate; 580 581 return img; 582} 583 584static void 585dri2_destroy_image(__DRIimage *img) 586{ 587 pipe_resource_reference(&img->texture, NULL); 588 FREE(img); 589} 590 591static struct __DRIimageExtensionRec dri2ImageExtension = { 592 { __DRI_IMAGE, __DRI_IMAGE_VERSION }, 593 dri2_create_image_from_name, 594 dri2_create_image_from_renderbuffer, 595 dri2_destroy_image, 596 dri2_create_image, 597 dri2_query_image, 598 dri2_dup_image, 599}; 600 601/* 602 * Backend function init_screen. 603 */ 604 605static const __DRIextension *dri_screen_extensions[] = { 606 &driTexBufferExtension.base, 607 &dri2FlushExtension.base, 608 &dri2ImageExtension.base, 609 &dri2ConfigQueryExtension.base, 610 NULL 611}; 612 613static const __DRIextension *dri_screen_extensions_throttle[] = { 614 &driTexBufferExtension.base, 615 &dri2FlushExtension.base, 616 &dri2ImageExtension.base, 617 &dri2ConfigQueryExtension.base, 618 &dri2ThrottleExtension.base, 619 NULL 620}; 621 622/** 623 * This is the driver specific part of the createNewScreen entry point. 624 * 625 * Returns the struct gl_config supported by this driver. 626 */ 627static const __DRIconfig ** 628dri2_init_screen(__DRIscreen * sPriv) 629{ 630 const __DRIconfig **configs; 631 struct dri_screen *screen; 632 struct pipe_screen *pscreen; 633 const struct drm_conf_ret *throttle_ret = NULL; 634 635 screen = CALLOC_STRUCT(dri_screen); 636 if (!screen) 637 return NULL; 638 639 screen->sPriv = sPriv; 640 screen->fd = sPriv->fd; 641 642 sPriv->private = (void *)screen; 643 644 pscreen = driver_descriptor.create_screen(screen->fd); 645 if (driver_descriptor.configuration) 646 throttle_ret = driver_descriptor.configuration(DRM_CONF_THROTTLE); 647 648 if (throttle_ret && throttle_ret->val.val_int != -1) { 649 sPriv->extensions = dri_screen_extensions_throttle; 650 screen->default_throttle_frames = throttle_ret->val.val_int; 651 } else 652 sPriv->extensions = dri_screen_extensions; 653 654 /* dri_init_screen_helper checks pscreen for us */ 655 656 configs = dri_init_screen_helper(screen, pscreen, 32); 657 if (!configs) 658 goto fail; 659 660 sPriv->api_mask = 0; 661 if (screen->st_api->profile_mask & ST_PROFILE_DEFAULT_MASK) 662 sPriv->api_mask |= 1 << __DRI_API_OPENGL; 663 if (screen->st_api->profile_mask & ST_PROFILE_OPENGL_ES1_MASK) 664 sPriv->api_mask |= 1 << __DRI_API_GLES; 665 if (screen->st_api->profile_mask & ST_PROFILE_OPENGL_ES2_MASK) 666 sPriv->api_mask |= 1 << __DRI_API_GLES2; 667 668 screen->auto_fake_front = dri_with_format(sPriv); 669 screen->broken_invalidate = !sPriv->dri2.useInvalidate; 670 screen->lookup_egl_image = dri2_lookup_egl_image; 671 672 return configs; 673fail: 674 dri_destroy_screen_helper(screen); 675 FREE(screen); 676 return NULL; 677} 678 679static boolean 680dri2_create_buffer(__DRIscreen * sPriv, 681 __DRIdrawable * dPriv, 682 const struct gl_config * visual, boolean isPixmap) 683{ 684 struct dri_drawable *drawable = NULL; 685 686 if (!dri_create_buffer(sPriv, dPriv, visual, isPixmap)) 687 return FALSE; 688 689 drawable = dPriv->driverPrivate; 690 691 drawable->allocate_textures = dri2_allocate_textures; 692 drawable->flush_frontbuffer = dri2_flush_frontbuffer; 693 drawable->update_tex_buffer = dri2_update_tex_buffer; 694 695 return TRUE; 696} 697 698/** 699 * DRI driver virtual function table. 700 * 701 * DRI versions differ in their implementation of init_screen and swap_buffers. 702 */ 703const struct __DriverAPIRec driDriverAPI = { 704 .InitScreen2 = dri2_init_screen, 705 .DestroyScreen = dri_destroy_screen, 706 .CreateContext = dri_create_context, 707 .DestroyContext = dri_destroy_context, 708 .CreateBuffer = dri2_create_buffer, 709 .DestroyBuffer = dri_destroy_buffer, 710 .MakeCurrent = dri_make_current, 711 .UnbindContext = dri_unbind_context, 712 713 .AllocateBuffer = dri2_allocate_buffer, 714 .ReleaseBuffer = dri2_release_buffer, 715}; 716 717/* This is the table of extensions that the loader will dlsym() for. */ 718PUBLIC const __DRIextension *__driDriverExtensions[] = { 719 &driCoreExtension.base, 720 &driDRI2Extension.base, 721 NULL 722}; 723 724/* vim: set sw=3 ts=8 sts=3 expandtab: */ 725