native_dri2.c revision cf588ab3f1edb89be4cd57045a3888ff482fa817
1/* 2 * Mesa 3-D graphics library 3 * Version: 7.8 4 * 5 * Copyright (C) 2009-2010 Chia-I Wu <olv@0xlab.org> 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the "Software"), 9 * to deal in the Software without restriction, including without limitation 10 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 11 * and/or sell copies of the Software, and to permit persons to whom the 12 * Software is furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included 15 * in all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 22 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 23 * DEALINGS IN THE SOFTWARE. 24 */ 25 26#include "util/u_memory.h" 27#include "util/u_math.h" 28#include "util/u_format.h" 29#include "util/u_inlines.h" 30#include "util/u_hash_table.h" 31#include "pipe/p_compiler.h" 32#include "pipe/p_screen.h" 33#include "pipe/p_context.h" 34#include "pipe/p_state.h" 35#include "state_tracker/drm_driver.h" 36#include "egllog.h" 37 38#include "native_x11.h" 39#include "x11_screen.h" 40 41#ifdef GLX_DIRECT_RENDERING 42 43enum dri2_surface_type { 44 DRI2_SURFACE_TYPE_WINDOW, 45 DRI2_SURFACE_TYPE_PIXMAP, 46}; 47 48struct dri2_display { 49 struct native_display base; 50 Display *dpy; 51 boolean own_dpy; 52 53 struct native_event_handler *event_handler; 54 55 struct x11_screen *xscr; 56 int xscr_number; 57 const char *dri_driver; 58 int dri_major, dri_minor; 59 60 struct dri2_config *configs; 61 int num_configs; 62 63 struct util_hash_table *surfaces; 64}; 65 66struct dri2_surface { 67 struct native_surface base; 68 Drawable drawable; 69 enum dri2_surface_type type; 70 enum pipe_format color_format; 71 struct dri2_display *dri2dpy; 72 73 unsigned int server_stamp; 74 unsigned int client_stamp; 75 int width, height; 76 struct pipe_resource *textures[NUM_NATIVE_ATTACHMENTS]; 77 uint valid_mask; 78 79 boolean have_back, have_fake; 80 81 struct x11_drawable_buffer *last_xbufs; 82 int last_num_xbufs; 83}; 84 85struct dri2_config { 86 struct native_config base; 87}; 88 89static INLINE struct dri2_display * 90dri2_display(const struct native_display *ndpy) 91{ 92 return (struct dri2_display *) ndpy; 93} 94 95static INLINE struct dri2_surface * 96dri2_surface(const struct native_surface *nsurf) 97{ 98 return (struct dri2_surface *) nsurf; 99} 100 101static INLINE struct dri2_config * 102dri2_config(const struct native_config *nconf) 103{ 104 return (struct dri2_config *) nconf; 105} 106 107/** 108 * Process the buffers returned by the server. 109 */ 110static void 111dri2_surface_process_drawable_buffers(struct native_surface *nsurf, 112 struct x11_drawable_buffer *xbufs, 113 int num_xbufs) 114{ 115 struct dri2_surface *dri2surf = dri2_surface(nsurf); 116 struct dri2_display *dri2dpy = dri2surf->dri2dpy; 117 struct pipe_resource templ; 118 struct winsys_handle whandle; 119 uint valid_mask; 120 int i; 121 122 /* free the old textures */ 123 for (i = 0; i < NUM_NATIVE_ATTACHMENTS; i++) 124 pipe_resource_reference(&dri2surf->textures[i], NULL); 125 dri2surf->valid_mask = 0x0; 126 127 dri2surf->have_back = FALSE; 128 dri2surf->have_fake = FALSE; 129 130 if (!xbufs) 131 return; 132 133 memset(&templ, 0, sizeof(templ)); 134 templ.target = PIPE_TEXTURE_2D; 135 templ.last_level = 0; 136 templ.width0 = dri2surf->width; 137 templ.height0 = dri2surf->height; 138 templ.depth0 = 1; 139 templ.format = dri2surf->color_format; 140 templ.bind = PIPE_BIND_RENDER_TARGET; 141 142 valid_mask = 0x0; 143 for (i = 0; i < num_xbufs; i++) { 144 struct x11_drawable_buffer *xbuf = &xbufs[i]; 145 const char *desc; 146 enum native_attachment natt; 147 148 switch (xbuf->attachment) { 149 case DRI2BufferFrontLeft: 150 natt = NATIVE_ATTACHMENT_FRONT_LEFT; 151 desc = "DRI2 Front Buffer"; 152 break; 153 case DRI2BufferFakeFrontLeft: 154 natt = NATIVE_ATTACHMENT_FRONT_LEFT; 155 desc = "DRI2 Fake Front Buffer"; 156 dri2surf->have_fake = TRUE; 157 break; 158 case DRI2BufferBackLeft: 159 natt = NATIVE_ATTACHMENT_BACK_LEFT; 160 desc = "DRI2 Back Buffer"; 161 dri2surf->have_back = TRUE; 162 break; 163 default: 164 desc = NULL; 165 break; 166 } 167 168 if (!desc || dri2surf->textures[natt]) { 169 if (!desc) 170 _eglLog(_EGL_WARNING, "unknown buffer %d", xbuf->attachment); 171 else 172 _eglLog(_EGL_WARNING, "both real and fake front buffers are listed"); 173 continue; 174 } 175 176 memset(&whandle, 0, sizeof(whandle)); 177 whandle.stride = xbuf->pitch; 178 whandle.handle = xbuf->name; 179 dri2surf->textures[natt] = dri2dpy->base.screen->resource_from_handle( 180 dri2dpy->base.screen, &templ, &whandle); 181 if (dri2surf->textures[natt]) 182 valid_mask |= 1 << natt; 183 } 184 185 dri2surf->valid_mask = valid_mask; 186} 187 188/** 189 * Get the buffers from the server. 190 */ 191static void 192dri2_surface_get_buffers(struct native_surface *nsurf, uint buffer_mask) 193{ 194 struct dri2_surface *dri2surf = dri2_surface(nsurf); 195 struct dri2_display *dri2dpy = dri2surf->dri2dpy; 196 unsigned int dri2atts[NUM_NATIVE_ATTACHMENTS * 2]; 197 int num_ins, num_outs, att; 198 struct x11_drawable_buffer *xbufs; 199 uint bpp = util_format_get_blocksizebits(dri2surf->color_format); 200 boolean with_format = FALSE; /* never ask for depth/stencil */ 201 202 /* We must get the front on servers which doesn't support with format 203 * due to a silly bug in core dri2. You can't copy to/from a buffer 204 * that you haven't requested and you recive BadValue errors */ 205 if (dri2surf->dri2dpy->dri_minor < 1) { 206 with_format = FALSE; 207 buffer_mask |= (1 << NATIVE_ATTACHMENT_FRONT_LEFT); 208 } 209 210 /* prepare the attachments */ 211 num_ins = 0; 212 for (att = 0; att < NUM_NATIVE_ATTACHMENTS; att++) { 213 if (native_attachment_mask_test(buffer_mask, att)) { 214 unsigned int dri2att; 215 216 switch (att) { 217 case NATIVE_ATTACHMENT_FRONT_LEFT: 218 dri2att = DRI2BufferFrontLeft; 219 break; 220 case NATIVE_ATTACHMENT_BACK_LEFT: 221 dri2att = DRI2BufferBackLeft; 222 break; 223 case NATIVE_ATTACHMENT_FRONT_RIGHT: 224 dri2att = DRI2BufferFrontRight; 225 break; 226 case NATIVE_ATTACHMENT_BACK_RIGHT: 227 dri2att = DRI2BufferBackRight; 228 break; 229 default: 230 assert(0); 231 dri2att = 0; 232 break; 233 } 234 235 dri2atts[num_ins++] = dri2att; 236 if (with_format) 237 dri2atts[num_ins++] = bpp; 238 } 239 } 240 if (with_format) 241 num_ins /= 2; 242 243 xbufs = x11_drawable_get_buffers(dri2dpy->xscr, dri2surf->drawable, 244 &dri2surf->width, &dri2surf->height, 245 dri2atts, with_format, num_ins, &num_outs); 246 247 /* we should be able to do better... */ 248 if (xbufs && dri2surf->last_num_xbufs == num_outs && 249 memcmp(dri2surf->last_xbufs, xbufs, sizeof(*xbufs) * num_outs) == 0) { 250 FREE(xbufs); 251 dri2surf->client_stamp = dri2surf->server_stamp; 252 return; 253 } 254 255 dri2_surface_process_drawable_buffers(&dri2surf->base, xbufs, num_outs); 256 257 dri2surf->server_stamp++; 258 dri2surf->client_stamp = dri2surf->server_stamp; 259 260 if (dri2surf->last_xbufs) 261 FREE(dri2surf->last_xbufs); 262 dri2surf->last_xbufs = xbufs; 263 dri2surf->last_num_xbufs = num_outs; 264} 265 266/** 267 * Update the buffers of the surface. This is a slow function due to the 268 * round-trip to the server. 269 */ 270static boolean 271dri2_surface_update_buffers(struct native_surface *nsurf, uint buffer_mask) 272{ 273 struct dri2_surface *dri2surf = dri2_surface(nsurf); 274 275 dri2_surface_get_buffers(&dri2surf->base, buffer_mask); 276 277 return ((dri2surf->valid_mask & buffer_mask) == buffer_mask); 278} 279 280/** 281 * Return TRUE if the surface receives DRI2_InvalidateBuffers events. 282 */ 283static INLINE boolean 284dri2_surface_receive_events(struct native_surface *nsurf) 285{ 286 struct dri2_surface *dri2surf = dri2_surface(nsurf); 287 return (dri2surf->dri2dpy->dri_minor >= 3); 288} 289 290static boolean 291dri2_surface_flush_frontbuffer(struct native_surface *nsurf) 292{ 293 struct dri2_surface *dri2surf = dri2_surface(nsurf); 294 struct dri2_display *dri2dpy = dri2surf->dri2dpy; 295 296 /* copy to real front buffer */ 297 if (dri2surf->have_fake) 298 x11_drawable_copy_buffers(dri2dpy->xscr, dri2surf->drawable, 299 0, 0, dri2surf->width, dri2surf->height, 300 DRI2BufferFakeFrontLeft, DRI2BufferFrontLeft); 301 302 /* force buffers to be updated in next validation call */ 303 if (!dri2_surface_receive_events(&dri2surf->base)) { 304 dri2surf->server_stamp++; 305 dri2dpy->event_handler->invalid_surface(&dri2dpy->base, 306 &dri2surf->base, dri2surf->server_stamp); 307 } 308 309 return TRUE; 310} 311 312static boolean 313dri2_surface_swap_buffers(struct native_surface *nsurf) 314{ 315 struct dri2_surface *dri2surf = dri2_surface(nsurf); 316 struct dri2_display *dri2dpy = dri2surf->dri2dpy; 317 318 /* copy to front buffer */ 319 if (dri2surf->have_back) 320 x11_drawable_copy_buffers(dri2dpy->xscr, dri2surf->drawable, 321 0, 0, dri2surf->width, dri2surf->height, 322 DRI2BufferBackLeft, DRI2BufferFrontLeft); 323 324 /* and update fake front buffer */ 325 if (dri2surf->have_fake) 326 x11_drawable_copy_buffers(dri2dpy->xscr, dri2surf->drawable, 327 0, 0, dri2surf->width, dri2surf->height, 328 DRI2BufferFrontLeft, DRI2BufferFakeFrontLeft); 329 330 /* force buffers to be updated in next validation call */ 331 if (!dri2_surface_receive_events(&dri2surf->base)) { 332 dri2surf->server_stamp++; 333 dri2dpy->event_handler->invalid_surface(&dri2dpy->base, 334 &dri2surf->base, dri2surf->server_stamp); 335 } 336 337 return TRUE; 338} 339 340static boolean 341dri2_surface_validate(struct native_surface *nsurf, uint attachment_mask, 342 unsigned int *seq_num, struct pipe_resource **textures, 343 int *width, int *height) 344{ 345 struct dri2_surface *dri2surf = dri2_surface(nsurf); 346 347 if (dri2surf->server_stamp != dri2surf->client_stamp || 348 (dri2surf->valid_mask & attachment_mask) != attachment_mask) { 349 if (!dri2_surface_update_buffers(&dri2surf->base, attachment_mask)) 350 return FALSE; 351 } 352 353 if (seq_num) 354 *seq_num = dri2surf->client_stamp; 355 356 if (textures) { 357 int att; 358 for (att = 0; att < NUM_NATIVE_ATTACHMENTS; att++) { 359 if (native_attachment_mask_test(attachment_mask, att)) { 360 struct pipe_resource *ptex = dri2surf->textures[att]; 361 362 textures[att] = NULL; 363 pipe_resource_reference(&textures[att], ptex); 364 } 365 } 366 } 367 368 if (width) 369 *width = dri2surf->width; 370 if (height) 371 *height = dri2surf->height; 372 373 return TRUE; 374} 375 376static void 377dri2_surface_wait(struct native_surface *nsurf) 378{ 379 struct dri2_surface *dri2surf = dri2_surface(nsurf); 380 struct dri2_display *dri2dpy = dri2surf->dri2dpy; 381 382 if (dri2surf->have_fake) { 383 x11_drawable_copy_buffers(dri2dpy->xscr, dri2surf->drawable, 384 0, 0, dri2surf->width, dri2surf->height, 385 DRI2BufferFrontLeft, DRI2BufferFakeFrontLeft); 386 } 387} 388 389static void 390dri2_surface_destroy(struct native_surface *nsurf) 391{ 392 struct dri2_surface *dri2surf = dri2_surface(nsurf); 393 int i; 394 395 if (dri2surf->last_xbufs) 396 FREE(dri2surf->last_xbufs); 397 398 for (i = 0; i < NUM_NATIVE_ATTACHMENTS; i++) { 399 struct pipe_resource *ptex = dri2surf->textures[i]; 400 pipe_resource_reference(&ptex, NULL); 401 } 402 403 if (dri2surf->drawable) { 404 x11_drawable_enable_dri2(dri2surf->dri2dpy->xscr, 405 dri2surf->drawable, FALSE); 406 407 util_hash_table_remove(dri2surf->dri2dpy->surfaces, 408 (void *) dri2surf->drawable); 409 } 410 FREE(dri2surf); 411} 412 413static struct dri2_surface * 414dri2_display_create_surface(struct native_display *ndpy, 415 enum dri2_surface_type type, 416 Drawable drawable, 417 const struct native_config *nconf) 418{ 419 struct dri2_display *dri2dpy = dri2_display(ndpy); 420 struct dri2_config *dri2conf = dri2_config(nconf); 421 struct dri2_surface *dri2surf; 422 423 dri2surf = CALLOC_STRUCT(dri2_surface); 424 if (!dri2surf) 425 return NULL; 426 427 dri2surf->dri2dpy = dri2dpy; 428 dri2surf->type = type; 429 dri2surf->drawable = drawable; 430 dri2surf->color_format = dri2conf->base.color_format; 431 432 dri2surf->base.destroy = dri2_surface_destroy; 433 dri2surf->base.swap_buffers = dri2_surface_swap_buffers; 434 dri2surf->base.flush_frontbuffer = dri2_surface_flush_frontbuffer; 435 dri2surf->base.validate = dri2_surface_validate; 436 dri2surf->base.wait = dri2_surface_wait; 437 438 if (drawable) { 439 x11_drawable_enable_dri2(dri2dpy->xscr, drawable, TRUE); 440 /* initialize the geometry */ 441 dri2_surface_update_buffers(&dri2surf->base, 0x0); 442 443 util_hash_table_set(dri2surf->dri2dpy->surfaces, 444 (void *) dri2surf->drawable, (void *) &dri2surf->base); 445 } 446 447 return dri2surf; 448} 449 450static struct native_surface * 451dri2_display_create_window_surface(struct native_display *ndpy, 452 EGLNativeWindowType win, 453 const struct native_config *nconf) 454{ 455 struct dri2_surface *dri2surf; 456 457 dri2surf = dri2_display_create_surface(ndpy, DRI2_SURFACE_TYPE_WINDOW, 458 (Drawable) win, nconf); 459 return (dri2surf) ? &dri2surf->base : NULL; 460} 461 462static struct native_surface * 463dri2_display_create_pixmap_surface(struct native_display *ndpy, 464 EGLNativePixmapType pix, 465 const struct native_config *nconf) 466{ 467 struct dri2_surface *dri2surf; 468 469 dri2surf = dri2_display_create_surface(ndpy, DRI2_SURFACE_TYPE_PIXMAP, 470 (Drawable) pix, nconf); 471 return (dri2surf) ? &dri2surf->base : NULL; 472} 473 474static int 475choose_color_format(const __GLcontextModes *mode, enum pipe_format formats[32]) 476{ 477 int count = 0; 478 479 switch (mode->rgbBits) { 480 case 32: 481 formats[count++] = PIPE_FORMAT_B8G8R8A8_UNORM; 482 formats[count++] = PIPE_FORMAT_A8R8G8B8_UNORM; 483 break; 484 case 24: 485 formats[count++] = PIPE_FORMAT_B8G8R8X8_UNORM; 486 formats[count++] = PIPE_FORMAT_X8R8G8B8_UNORM; 487 formats[count++] = PIPE_FORMAT_B8G8R8A8_UNORM; 488 formats[count++] = PIPE_FORMAT_A8R8G8B8_UNORM; 489 break; 490 case 16: 491 formats[count++] = PIPE_FORMAT_B5G6R5_UNORM; 492 break; 493 default: 494 break; 495 } 496 497 return count; 498} 499 500static boolean 501is_format_supported(struct pipe_screen *screen, 502 enum pipe_format fmt, unsigned sample_count, boolean is_color) 503{ 504 return screen->is_format_supported(screen, fmt, PIPE_TEXTURE_2D, sample_count, 505 (is_color) ? PIPE_BIND_RENDER_TARGET : 506 PIPE_BIND_DEPTH_STENCIL, 0); 507} 508 509static boolean 510dri2_display_convert_config(struct native_display *ndpy, 511 const __GLcontextModes *mode, 512 struct native_config *nconf) 513{ 514 enum pipe_format formats[32]; 515 int num_formats, i; 516 int sample_count = 0; 517 518 if (!(mode->renderType & GLX_RGBA_BIT) || !mode->rgbMode) 519 return FALSE; 520 521 /* skip single-buffered configs */ 522 if (!mode->doubleBufferMode) 523 return FALSE; 524 525 /* only interested in native renderable configs */ 526 if (!mode->xRenderable || !mode->drawableType) 527 return FALSE; 528 529 nconf->buffer_mask = 1 << NATIVE_ATTACHMENT_FRONT_LEFT; 530 if (mode->doubleBufferMode) 531 nconf->buffer_mask |= 1 << NATIVE_ATTACHMENT_BACK_LEFT; 532 if (mode->stereoMode) { 533 nconf->buffer_mask |= 1 << NATIVE_ATTACHMENT_FRONT_RIGHT; 534 if (mode->doubleBufferMode) 535 nconf->buffer_mask |= 1 << NATIVE_ATTACHMENT_BACK_RIGHT; 536 } 537 538 /* choose color format */ 539 num_formats = choose_color_format(mode, formats); 540 for (i = 0; i < num_formats; i++) { 541 if (is_format_supported(ndpy->screen, formats[i], sample_count, TRUE)) { 542 nconf->color_format = formats[i]; 543 break; 544 } 545 } 546 if (nconf->color_format == PIPE_FORMAT_NONE) 547 return FALSE; 548 549 if (mode->drawableType & GLX_WINDOW_BIT) 550 nconf->window_bit = TRUE; 551 if (mode->drawableType & GLX_PIXMAP_BIT) 552 nconf->pixmap_bit = TRUE; 553 554 nconf->native_visual_id = mode->visualID; 555 nconf->native_visual_type = mode->visualType; 556 nconf->level = mode->level; 557 nconf->samples = mode->samples; 558 559 nconf->slow_config = (mode->visualRating == GLX_SLOW_CONFIG); 560 561 if (mode->transparentPixel == GLX_TRANSPARENT_RGB) { 562 nconf->transparent_rgb = TRUE; 563 nconf->transparent_rgb_values[0] = mode->transparentRed; 564 nconf->transparent_rgb_values[1] = mode->transparentGreen; 565 nconf->transparent_rgb_values[2] = mode->transparentBlue; 566 } 567 568 return TRUE; 569} 570 571static const struct native_config ** 572dri2_display_get_configs(struct native_display *ndpy, int *num_configs) 573{ 574 struct dri2_display *dri2dpy = dri2_display(ndpy); 575 const struct native_config **configs; 576 int i; 577 578 /* first time */ 579 if (!dri2dpy->configs) { 580 const __GLcontextModes *modes; 581 int num_modes, count; 582 583 modes = x11_screen_get_glx_configs(dri2dpy->xscr); 584 if (!modes) 585 return NULL; 586 num_modes = x11_context_modes_count(modes); 587 588 dri2dpy->configs = CALLOC(num_modes, sizeof(*dri2dpy->configs)); 589 if (!dri2dpy->configs) 590 return NULL; 591 592 count = 0; 593 for (i = 0; i < num_modes; i++) { 594 struct native_config *nconf = &dri2dpy->configs[count].base; 595 if (dri2_display_convert_config(&dri2dpy->base, modes, nconf)) 596 count++; 597 modes = modes->next; 598 } 599 600 dri2dpy->num_configs = count; 601 } 602 603 configs = MALLOC(dri2dpy->num_configs * sizeof(*configs)); 604 if (configs) { 605 for (i = 0; i < dri2dpy->num_configs; i++) 606 configs[i] = (const struct native_config *) &dri2dpy->configs[i]; 607 if (num_configs) 608 *num_configs = dri2dpy->num_configs; 609 } 610 611 return configs; 612} 613 614static boolean 615dri2_display_is_pixmap_supported(struct native_display *ndpy, 616 EGLNativePixmapType pix, 617 const struct native_config *nconf) 618{ 619 struct dri2_display *dri2dpy = dri2_display(ndpy); 620 uint depth, nconf_depth; 621 622 depth = x11_drawable_get_depth(dri2dpy->xscr, (Drawable) pix); 623 nconf_depth = util_format_get_blocksizebits(nconf->color_format); 624 625 /* simple depth match for now */ 626 return (depth == nconf_depth || (depth == 24 && depth + 8 == nconf_depth)); 627} 628 629static int 630dri2_display_get_param(struct native_display *ndpy, 631 enum native_param_type param) 632{ 633 int val; 634 635 switch (param) { 636 case NATIVE_PARAM_USE_NATIVE_BUFFER: 637 /* DRI2GetBuffers use the native buffers */ 638 val = TRUE; 639 break; 640 default: 641 val = 0; 642 break; 643 } 644 645 return val; 646} 647 648static void 649dri2_display_destroy(struct native_display *ndpy) 650{ 651 struct dri2_display *dri2dpy = dri2_display(ndpy); 652 653 if (dri2dpy->configs) 654 FREE(dri2dpy->configs); 655 656 if (dri2dpy->base.screen) 657 dri2dpy->base.screen->destroy(dri2dpy->base.screen); 658 659 if (dri2dpy->surfaces) 660 util_hash_table_destroy(dri2dpy->surfaces); 661 662 if (dri2dpy->xscr) 663 x11_screen_destroy(dri2dpy->xscr); 664 if (dri2dpy->own_dpy) 665 XCloseDisplay(dri2dpy->dpy); 666 FREE(dri2dpy); 667} 668 669static void 670dri2_display_invalidate_buffers(struct x11_screen *xscr, Drawable drawable, 671 void *user_data) 672{ 673 struct native_display *ndpy = (struct native_display* ) user_data; 674 struct dri2_display *dri2dpy = dri2_display(ndpy); 675 struct native_surface *nsurf; 676 struct dri2_surface *dri2surf; 677 678 nsurf = (struct native_surface *) 679 util_hash_table_get(dri2dpy->surfaces, (void *) drawable); 680 if (!nsurf) 681 return; 682 683 dri2surf = dri2_surface(nsurf); 684 685 dri2surf->server_stamp++; 686 dri2dpy->event_handler->invalid_surface(&dri2dpy->base, 687 &dri2surf->base, dri2surf->server_stamp); 688} 689 690/** 691 * Initialize DRI2 and pipe screen. 692 */ 693static boolean 694dri2_display_init_screen(struct native_display *ndpy) 695{ 696 struct dri2_display *dri2dpy = dri2_display(ndpy); 697 int fd; 698 699 if (!x11_screen_support(dri2dpy->xscr, X11_SCREEN_EXTENSION_DRI2) || 700 !x11_screen_support(dri2dpy->xscr, X11_SCREEN_EXTENSION_GLX)) { 701 _eglLog(_EGL_WARNING, "GLX/DRI2 is not supported"); 702 return FALSE; 703 } 704 705 dri2dpy->dri_driver = x11_screen_probe_dri2(dri2dpy->xscr, 706 &dri2dpy->dri_major, &dri2dpy->dri_minor); 707 708 fd = x11_screen_enable_dri2(dri2dpy->xscr, 709 dri2_display_invalidate_buffers, &dri2dpy->base); 710 if (fd < 0) 711 return FALSE; 712 713 dri2dpy->base.screen = 714 dri2dpy->event_handler->new_drm_screen(&dri2dpy->base, 715 dri2dpy->dri_driver, fd); 716 if (!dri2dpy->base.screen) { 717 _eglLog(_EGL_WARNING, "failed to create DRM screen"); 718 return FALSE; 719 } 720 721 return TRUE; 722} 723 724static unsigned 725dri2_display_hash_table_hash(void *key) 726{ 727 XID drawable = pointer_to_uintptr(key); 728 return (unsigned) drawable; 729} 730 731static int 732dri2_display_hash_table_compare(void *key1, void *key2) 733{ 734 return (key1 - key2); 735} 736 737struct native_display * 738x11_create_dri2_display(Display *dpy, 739 struct native_event_handler *event_handler, 740 void *user_data) 741{ 742 struct dri2_display *dri2dpy; 743 744 dri2dpy = CALLOC_STRUCT(dri2_display); 745 if (!dri2dpy) 746 return NULL; 747 748 dri2dpy->event_handler = event_handler; 749 dri2dpy->base.user_data = user_data; 750 751 dri2dpy->dpy = dpy; 752 if (!dri2dpy->dpy) { 753 dri2dpy->dpy = XOpenDisplay(NULL); 754 if (!dri2dpy->dpy) { 755 dri2_display_destroy(&dri2dpy->base); 756 return NULL; 757 } 758 dri2dpy->own_dpy = TRUE; 759 } 760 761 dri2dpy->xscr_number = DefaultScreen(dri2dpy->dpy); 762 dri2dpy->xscr = x11_screen_create(dri2dpy->dpy, dri2dpy->xscr_number); 763 if (!dri2dpy->xscr) { 764 dri2_display_destroy(&dri2dpy->base); 765 return NULL; 766 } 767 768 if (!dri2_display_init_screen(&dri2dpy->base)) { 769 dri2_display_destroy(&dri2dpy->base); 770 return NULL; 771 } 772 773 dri2dpy->surfaces = util_hash_table_create(dri2_display_hash_table_hash, 774 dri2_display_hash_table_compare); 775 if (!dri2dpy->surfaces) { 776 dri2_display_destroy(&dri2dpy->base); 777 return NULL; 778 } 779 780 dri2dpy->base.destroy = dri2_display_destroy; 781 dri2dpy->base.get_param = dri2_display_get_param; 782 dri2dpy->base.get_configs = dri2_display_get_configs; 783 dri2dpy->base.is_pixmap_supported = dri2_display_is_pixmap_supported; 784 dri2dpy->base.create_window_surface = dri2_display_create_window_surface; 785 dri2dpy->base.create_pixmap_surface = dri2_display_create_pixmap_surface; 786 787 return &dri2dpy->base; 788} 789 790#else /* GLX_DIRECT_RENDERING */ 791 792struct native_display * 793x11_create_dri2_display(Display *dpy, 794 struct native_event_handler *event_handler, 795 void *user_data) 796{ 797 return NULL; 798} 799 800#endif /* GLX_DIRECT_RENDERING */ 801