1 /* 2 * This file generated automatically from dbe.xml by c_client.py. 3 * Edit at your peril. 4 */ 5 6 /** 7 * @defgroup XCB_Dbe_API XCB Dbe API 8 * @brief Dbe XCB Protocol Implementation. 9 * @{ 10 **/ 11 12 #ifndef __DBE_H 13 #define __DBE_H 14 15 #include "xcb.h" 16 #include "xproto.h" 17 18 #ifdef __cplusplus 19 extern "C" { 20 #endif 21 22 #define XCB_DBE_MAJOR_VERSION 1 23 #define XCB_DBE_MINOR_VERSION 0 24 25 extern xcb_extension_t xcb_dbe_id; 26 27 typedef uint32_t xcb_dbe_back_buffer_t; 28 29 /** 30 * @brief xcb_dbe_back_buffer_iterator_t 31 **/ 32 typedef struct xcb_dbe_back_buffer_iterator_t { 33 xcb_dbe_back_buffer_t *data; 34 int rem; 35 int index; 36 } xcb_dbe_back_buffer_iterator_t; 37 38 typedef enum xcb_dbe_swap_action_t { 39 XCB_DBE_SWAP_ACTION_UNDEFINED = 0, 40 /**< Discard the buffer. The buffer may be reallocated and end up with random VRAM content. */ 41 42 XCB_DBE_SWAP_ACTION_BACKGROUND = 1, 43 /**< Erase with window background. */ 44 45 XCB_DBE_SWAP_ACTION_UNTOUCHED = 2, 46 /**< Leave untouched. */ 47 48 XCB_DBE_SWAP_ACTION_COPIED = 3 49 /**< Copy the newly displayed front buffer. */ 50 51 } xcb_dbe_swap_action_t; 52 53 /** 54 * @brief xcb_dbe_swap_info_t 55 **/ 56 typedef struct xcb_dbe_swap_info_t { 57 xcb_window_t window; 58 uint8_t swap_action; 59 uint8_t pad0[3]; 60 } xcb_dbe_swap_info_t; 61 62 /** 63 * @brief xcb_dbe_swap_info_iterator_t 64 **/ 65 typedef struct xcb_dbe_swap_info_iterator_t { 66 xcb_dbe_swap_info_t *data; 67 int rem; 68 int index; 69 } xcb_dbe_swap_info_iterator_t; 70 71 /** 72 * @brief xcb_dbe_buffer_attributes_t 73 **/ 74 typedef struct xcb_dbe_buffer_attributes_t { 75 xcb_window_t window; 76 } xcb_dbe_buffer_attributes_t; 77 78 /** 79 * @brief xcb_dbe_buffer_attributes_iterator_t 80 **/ 81 typedef struct xcb_dbe_buffer_attributes_iterator_t { 82 xcb_dbe_buffer_attributes_t *data; 83 int rem; 84 int index; 85 } xcb_dbe_buffer_attributes_iterator_t; 86 87 /** 88 * @brief xcb_dbe_visual_info_t 89 **/ 90 typedef struct xcb_dbe_visual_info_t { 91 xcb_visualid_t visual_id; 92 uint8_t depth; 93 uint8_t perf_level; 94 uint8_t pad0[2]; 95 } xcb_dbe_visual_info_t; 96 97 /** 98 * @brief xcb_dbe_visual_info_iterator_t 99 **/ 100 typedef struct xcb_dbe_visual_info_iterator_t { 101 xcb_dbe_visual_info_t *data; 102 int rem; 103 int index; 104 } xcb_dbe_visual_info_iterator_t; 105 106 /** 107 * @brief xcb_dbe_visual_infos_t 108 **/ 109 typedef struct xcb_dbe_visual_infos_t { 110 uint32_t n_infos; 111 } xcb_dbe_visual_infos_t; 112 113 /** 114 * @brief xcb_dbe_visual_infos_iterator_t 115 **/ 116 typedef struct xcb_dbe_visual_infos_iterator_t { 117 xcb_dbe_visual_infos_t *data; 118 int rem; 119 int index; 120 } xcb_dbe_visual_infos_iterator_t; 121 122 /** Opcode for xcb_dbe_bad_buffer. */ 123 #define XCB_DBE_BAD_BUFFER 0 124 125 /** 126 * @brief xcb_dbe_bad_buffer_error_t 127 **/ 128 typedef struct xcb_dbe_bad_buffer_error_t { 129 uint8_t response_type; 130 uint8_t error_code; 131 uint16_t sequence; 132 xcb_dbe_back_buffer_t bad_buffer; 133 uint16_t minor_opcode; 134 uint8_t major_opcode; 135 } xcb_dbe_bad_buffer_error_t; 136 137 /** 138 * @brief xcb_dbe_query_version_cookie_t 139 **/ 140 typedef struct xcb_dbe_query_version_cookie_t { 141 unsigned int sequence; 142 } xcb_dbe_query_version_cookie_t; 143 144 /** Opcode for xcb_dbe_query_version. */ 145 #define XCB_DBE_QUERY_VERSION 0 146 147 /** 148 * @brief xcb_dbe_query_version_request_t 149 **/ 150 typedef struct xcb_dbe_query_version_request_t { 151 uint8_t major_opcode; 152 uint8_t minor_opcode; 153 uint16_t length; 154 uint8_t major_version; 155 uint8_t minor_version; 156 uint8_t pad0[2]; 157 } xcb_dbe_query_version_request_t; 158 159 /** 160 * @brief xcb_dbe_query_version_reply_t 161 **/ 162 typedef struct xcb_dbe_query_version_reply_t { 163 uint8_t response_type; 164 uint8_t pad0; 165 uint16_t sequence; 166 uint32_t length; 167 uint8_t major_version; 168 uint8_t minor_version; 169 uint8_t pad1[22]; 170 } xcb_dbe_query_version_reply_t; 171 172 /** Opcode for xcb_dbe_allocate_back_buffer. */ 173 #define XCB_DBE_ALLOCATE_BACK_BUFFER 1 174 175 /** 176 * @brief xcb_dbe_allocate_back_buffer_request_t 177 **/ 178 typedef struct xcb_dbe_allocate_back_buffer_request_t { 179 uint8_t major_opcode; 180 uint8_t minor_opcode; 181 uint16_t length; 182 xcb_window_t window; 183 xcb_dbe_back_buffer_t buffer; 184 uint8_t swap_action; 185 uint8_t pad0[3]; 186 } xcb_dbe_allocate_back_buffer_request_t; 187 188 /** Opcode for xcb_dbe_deallocate_back_buffer. */ 189 #define XCB_DBE_DEALLOCATE_BACK_BUFFER 2 190 191 /** 192 * @brief xcb_dbe_deallocate_back_buffer_request_t 193 **/ 194 typedef struct xcb_dbe_deallocate_back_buffer_request_t { 195 uint8_t major_opcode; 196 uint8_t minor_opcode; 197 uint16_t length; 198 xcb_dbe_back_buffer_t buffer; 199 } xcb_dbe_deallocate_back_buffer_request_t; 200 201 /** Opcode for xcb_dbe_swap_buffers. */ 202 #define XCB_DBE_SWAP_BUFFERS 3 203 204 /** 205 * @brief xcb_dbe_swap_buffers_request_t 206 **/ 207 typedef struct xcb_dbe_swap_buffers_request_t { 208 uint8_t major_opcode; 209 uint8_t minor_opcode; 210 uint16_t length; 211 uint32_t n_actions; 212 } xcb_dbe_swap_buffers_request_t; 213 214 /** Opcode for xcb_dbe_begin_idiom. */ 215 #define XCB_DBE_BEGIN_IDIOM 4 216 217 /** 218 * @brief xcb_dbe_begin_idiom_request_t 219 **/ 220 typedef struct xcb_dbe_begin_idiom_request_t { 221 uint8_t major_opcode; 222 uint8_t minor_opcode; 223 uint16_t length; 224 } xcb_dbe_begin_idiom_request_t; 225 226 /** Opcode for xcb_dbe_end_idiom. */ 227 #define XCB_DBE_END_IDIOM 5 228 229 /** 230 * @brief xcb_dbe_end_idiom_request_t 231 **/ 232 typedef struct xcb_dbe_end_idiom_request_t { 233 uint8_t major_opcode; 234 uint8_t minor_opcode; 235 uint16_t length; 236 } xcb_dbe_end_idiom_request_t; 237 238 /** 239 * @brief xcb_dbe_get_visual_info_cookie_t 240 **/ 241 typedef struct xcb_dbe_get_visual_info_cookie_t { 242 unsigned int sequence; 243 } xcb_dbe_get_visual_info_cookie_t; 244 245 /** Opcode for xcb_dbe_get_visual_info. */ 246 #define XCB_DBE_GET_VISUAL_INFO 6 247 248 /** 249 * @brief xcb_dbe_get_visual_info_request_t 250 **/ 251 typedef struct xcb_dbe_get_visual_info_request_t { 252 uint8_t major_opcode; 253 uint8_t minor_opcode; 254 uint16_t length; 255 uint32_t n_drawables; 256 } xcb_dbe_get_visual_info_request_t; 257 258 /** 259 * @brief xcb_dbe_get_visual_info_reply_t 260 **/ 261 typedef struct xcb_dbe_get_visual_info_reply_t { 262 uint8_t response_type; 263 uint8_t pad0; 264 uint16_t sequence; 265 uint32_t length; 266 uint32_t n_supported_visuals; 267 uint8_t pad1[20]; 268 } xcb_dbe_get_visual_info_reply_t; 269 270 /** 271 * @brief xcb_dbe_get_back_buffer_attributes_cookie_t 272 **/ 273 typedef struct xcb_dbe_get_back_buffer_attributes_cookie_t { 274 unsigned int sequence; 275 } xcb_dbe_get_back_buffer_attributes_cookie_t; 276 277 /** Opcode for xcb_dbe_get_back_buffer_attributes. */ 278 #define XCB_DBE_GET_BACK_BUFFER_ATTRIBUTES 7 279 280 /** 281 * @brief xcb_dbe_get_back_buffer_attributes_request_t 282 **/ 283 typedef struct xcb_dbe_get_back_buffer_attributes_request_t { 284 uint8_t major_opcode; 285 uint8_t minor_opcode; 286 uint16_t length; 287 xcb_dbe_back_buffer_t buffer; 288 } xcb_dbe_get_back_buffer_attributes_request_t; 289 290 /** 291 * @brief xcb_dbe_get_back_buffer_attributes_reply_t 292 **/ 293 typedef struct xcb_dbe_get_back_buffer_attributes_reply_t { 294 uint8_t response_type; 295 uint8_t pad0; 296 uint16_t sequence; 297 uint32_t length; 298 xcb_dbe_buffer_attributes_t attributes; 299 uint8_t pad1[20]; 300 } xcb_dbe_get_back_buffer_attributes_reply_t; 301 302 /** 303 * Get the next element of the iterator 304 * @param i Pointer to a xcb_dbe_back_buffer_iterator_t 305 * 306 * Get the next element in the iterator. The member rem is 307 * decreased by one. The member data points to the next 308 * element. The member index is increased by sizeof(xcb_dbe_back_buffer_t) 309 */ 310 void 311 xcb_dbe_back_buffer_next (xcb_dbe_back_buffer_iterator_t *i); 312 313 /** 314 * Return the iterator pointing to the last element 315 * @param i An xcb_dbe_back_buffer_iterator_t 316 * @return The iterator pointing to the last element 317 * 318 * Set the current element in the iterator to the last element. 319 * The member rem is set to 0. The member data points to the 320 * last element. 321 */ 322 xcb_generic_iterator_t 323 xcb_dbe_back_buffer_end (xcb_dbe_back_buffer_iterator_t i); 324 325 /** 326 * Get the next element of the iterator 327 * @param i Pointer to a xcb_dbe_swap_info_iterator_t 328 * 329 * Get the next element in the iterator. The member rem is 330 * decreased by one. The member data points to the next 331 * element. The member index is increased by sizeof(xcb_dbe_swap_info_t) 332 */ 333 void 334 xcb_dbe_swap_info_next (xcb_dbe_swap_info_iterator_t *i); 335 336 /** 337 * Return the iterator pointing to the last element 338 * @param i An xcb_dbe_swap_info_iterator_t 339 * @return The iterator pointing to the last element 340 * 341 * Set the current element in the iterator to the last element. 342 * The member rem is set to 0. The member data points to the 343 * last element. 344 */ 345 xcb_generic_iterator_t 346 xcb_dbe_swap_info_end (xcb_dbe_swap_info_iterator_t i); 347 348 /** 349 * Get the next element of the iterator 350 * @param i Pointer to a xcb_dbe_buffer_attributes_iterator_t 351 * 352 * Get the next element in the iterator. The member rem is 353 * decreased by one. The member data points to the next 354 * element. The member index is increased by sizeof(xcb_dbe_buffer_attributes_t) 355 */ 356 void 357 xcb_dbe_buffer_attributes_next (xcb_dbe_buffer_attributes_iterator_t *i); 358 359 /** 360 * Return the iterator pointing to the last element 361 * @param i An xcb_dbe_buffer_attributes_iterator_t 362 * @return The iterator pointing to the last element 363 * 364 * Set the current element in the iterator to the last element. 365 * The member rem is set to 0. The member data points to the 366 * last element. 367 */ 368 xcb_generic_iterator_t 369 xcb_dbe_buffer_attributes_end (xcb_dbe_buffer_attributes_iterator_t i); 370 371 /** 372 * Get the next element of the iterator 373 * @param i Pointer to a xcb_dbe_visual_info_iterator_t 374 * 375 * Get the next element in the iterator. The member rem is 376 * decreased by one. The member data points to the next 377 * element. The member index is increased by sizeof(xcb_dbe_visual_info_t) 378 */ 379 void 380 xcb_dbe_visual_info_next (xcb_dbe_visual_info_iterator_t *i); 381 382 /** 383 * Return the iterator pointing to the last element 384 * @param i An xcb_dbe_visual_info_iterator_t 385 * @return The iterator pointing to the last element 386 * 387 * Set the current element in the iterator to the last element. 388 * The member rem is set to 0. The member data points to the 389 * last element. 390 */ 391 xcb_generic_iterator_t 392 xcb_dbe_visual_info_end (xcb_dbe_visual_info_iterator_t i); 393 394 int 395 xcb_dbe_visual_infos_sizeof (const void *_buffer); 396 397 xcb_dbe_visual_info_t * 398 xcb_dbe_visual_infos_infos (const xcb_dbe_visual_infos_t *R); 399 400 int 401 xcb_dbe_visual_infos_infos_length (const xcb_dbe_visual_infos_t *R); 402 403 xcb_dbe_visual_info_iterator_t 404 xcb_dbe_visual_infos_infos_iterator (const xcb_dbe_visual_infos_t *R); 405 406 /** 407 * Get the next element of the iterator 408 * @param i Pointer to a xcb_dbe_visual_infos_iterator_t 409 * 410 * Get the next element in the iterator. The member rem is 411 * decreased by one. The member data points to the next 412 * element. The member index is increased by sizeof(xcb_dbe_visual_infos_t) 413 */ 414 void 415 xcb_dbe_visual_infos_next (xcb_dbe_visual_infos_iterator_t *i); 416 417 /** 418 * Return the iterator pointing to the last element 419 * @param i An xcb_dbe_visual_infos_iterator_t 420 * @return The iterator pointing to the last element 421 * 422 * Set the current element in the iterator to the last element. 423 * The member rem is set to 0. The member data points to the 424 * last element. 425 */ 426 xcb_generic_iterator_t 427 xcb_dbe_visual_infos_end (xcb_dbe_visual_infos_iterator_t i); 428 429 /** 430 * @brief Queries the version of this extension 431 * 432 * @param c The connection 433 * @param major_version The major version of the extension. Check that it is compatible with the XCB_DBE_MAJOR_VERSION that your code is compiled with. 434 * @param minor_version The minor version of the extension. Check that it is compatible with the XCB_DBE_MINOR_VERSION that your code is compiled with. 435 * @return A cookie 436 * 437 * Queries the version of this extension. You must do this before using any functionality it provides. 438 * 439 */ 440 xcb_dbe_query_version_cookie_t 441 xcb_dbe_query_version (xcb_connection_t *c, 442 uint8_t major_version, 443 uint8_t minor_version); 444 445 /** 446 * @brief Queries the version of this extension 447 * 448 * @param c The connection 449 * @param major_version The major version of the extension. Check that it is compatible with the XCB_DBE_MAJOR_VERSION that your code is compiled with. 450 * @param minor_version The minor version of the extension. Check that it is compatible with the XCB_DBE_MINOR_VERSION that your code is compiled with. 451 * @return A cookie 452 * 453 * Queries the version of this extension. You must do this before using any functionality it provides. 454 * 455 * This form can be used only if the request will cause 456 * a reply to be generated. Any returned error will be 457 * placed in the event queue. 458 */ 459 xcb_dbe_query_version_cookie_t 460 xcb_dbe_query_version_unchecked (xcb_connection_t *c, 461 uint8_t major_version, 462 uint8_t minor_version); 463 464 /** 465 * Return the reply 466 * @param c The connection 467 * @param cookie The cookie 468 * @param e The xcb_generic_error_t supplied 469 * 470 * Returns the reply of the request asked by 471 * 472 * The parameter @p e supplied to this function must be NULL if 473 * xcb_dbe_query_version_unchecked(). is used. 474 * Otherwise, it stores the error if any. 475 * 476 * The returned value must be freed by the caller using free(). 477 */ 478 xcb_dbe_query_version_reply_t * 479 xcb_dbe_query_version_reply (xcb_connection_t *c, 480 xcb_dbe_query_version_cookie_t cookie /**< */, 481 xcb_generic_error_t **e); 482 483 /** 484 * @brief Allocates a back buffer 485 * 486 * @param c The connection 487 * @param window The window to which to add the back buffer. 488 * @param buffer The buffer id to associate with the back buffer. 489 * @param swap_action The swap action most likely to be used to present this back buffer. This is only a hint, and does not preclude the use of other swap actions. 490 * @return A cookie 491 * 492 * Associates \a buffer with the back buffer of \a window. Multiple ids may be associated with the back buffer, which is created by the first allocate call and destroyed by the last deallocate. 493 * 494 * This form can be used only if the request will not cause 495 * a reply to be generated. Any returned error will be 496 * saved for handling by xcb_request_check(). 497 */ 498 xcb_void_cookie_t 499 xcb_dbe_allocate_back_buffer_checked (xcb_connection_t *c, 500 xcb_window_t window, 501 xcb_dbe_back_buffer_t buffer, 502 uint8_t swap_action); 503 504 /** 505 * @brief Allocates a back buffer 506 * 507 * @param c The connection 508 * @param window The window to which to add the back buffer. 509 * @param buffer The buffer id to associate with the back buffer. 510 * @param swap_action The swap action most likely to be used to present this back buffer. This is only a hint, and does not preclude the use of other swap actions. 511 * @return A cookie 512 * 513 * Associates \a buffer with the back buffer of \a window. Multiple ids may be associated with the back buffer, which is created by the first allocate call and destroyed by the last deallocate. 514 * 515 */ 516 xcb_void_cookie_t 517 xcb_dbe_allocate_back_buffer (xcb_connection_t *c, 518 xcb_window_t window, 519 xcb_dbe_back_buffer_t buffer, 520 uint8_t swap_action); 521 522 /** 523 * @brief Deallocates a back buffer 524 * 525 * @param c The connection 526 * @param buffer The back buffer to deallocate. 527 * @return A cookie 528 * 529 * Deallocates the given \a buffer. If \a buffer is an invalid id, a `BadBuffer` error is returned. Because a window may have allocated multiple back buffer ids, the back buffer itself is not deleted until all these ids are deallocated by this call. 530 * 531 * This form can be used only if the request will not cause 532 * a reply to be generated. Any returned error will be 533 * saved for handling by xcb_request_check(). 534 */ 535 xcb_void_cookie_t 536 xcb_dbe_deallocate_back_buffer_checked (xcb_connection_t *c, 537 xcb_dbe_back_buffer_t buffer); 538 539 /** 540 * @brief Deallocates a back buffer 541 * 542 * @param c The connection 543 * @param buffer The back buffer to deallocate. 544 * @return A cookie 545 * 546 * Deallocates the given \a buffer. If \a buffer is an invalid id, a `BadBuffer` error is returned. Because a window may have allocated multiple back buffer ids, the back buffer itself is not deleted until all these ids are deallocated by this call. 547 * 548 */ 549 xcb_void_cookie_t 550 xcb_dbe_deallocate_back_buffer (xcb_connection_t *c, 551 xcb_dbe_back_buffer_t buffer); 552 553 int 554 xcb_dbe_swap_buffers_sizeof (const void *_buffer); 555 556 /** 557 * @brief Swaps front and back buffers 558 * 559 * @param c The connection 560 * @param n_actions Number of swap actions in \a actions. 561 * @param actions List of windows on which to swap buffers. 562 * @return A cookie 563 * 564 * Swaps the front and back buffers on the specified windows. The front and back buffers retain their ids, so that the window id continues to refer to the front buffer, while the back buffer id created by this extension continues to refer to the back buffer. Back buffer contents is moved to the front buffer. Back buffer contents after the operation depends on the given swap action. The optimal swap action depends on how each frame is rendered. For example, if the buffer is cleared and fully overwritten on every frame, the "untouched" action, which throws away the buffer contents, would provide the best performance. To eliminate visual artifacts, the swap will occure during the monitor VSync, if the X server supports detecting it. 565 * 566 * This form can be used only if the request will not cause 567 * a reply to be generated. Any returned error will be 568 * saved for handling by xcb_request_check(). 569 */ 570 xcb_void_cookie_t 571 xcb_dbe_swap_buffers_checked (xcb_connection_t *c, 572 uint32_t n_actions, 573 const xcb_dbe_swap_info_t *actions); 574 575 /** 576 * @brief Swaps front and back buffers 577 * 578 * @param c The connection 579 * @param n_actions Number of swap actions in \a actions. 580 * @param actions List of windows on which to swap buffers. 581 * @return A cookie 582 * 583 * Swaps the front and back buffers on the specified windows. The front and back buffers retain their ids, so that the window id continues to refer to the front buffer, while the back buffer id created by this extension continues to refer to the back buffer. Back buffer contents is moved to the front buffer. Back buffer contents after the operation depends on the given swap action. The optimal swap action depends on how each frame is rendered. For example, if the buffer is cleared and fully overwritten on every frame, the "untouched" action, which throws away the buffer contents, would provide the best performance. To eliminate visual artifacts, the swap will occure during the monitor VSync, if the X server supports detecting it. 584 * 585 */ 586 xcb_void_cookie_t 587 xcb_dbe_swap_buffers (xcb_connection_t *c, 588 uint32_t n_actions, 589 const xcb_dbe_swap_info_t *actions); 590 591 xcb_dbe_swap_info_t * 592 xcb_dbe_swap_buffers_actions (const xcb_dbe_swap_buffers_request_t *R); 593 594 int 595 xcb_dbe_swap_buffers_actions_length (const xcb_dbe_swap_buffers_request_t *R); 596 597 xcb_dbe_swap_info_iterator_t 598 xcb_dbe_swap_buffers_actions_iterator (const xcb_dbe_swap_buffers_request_t *R); 599 600 /** 601 * @brief Begins a logical swap block 602 * 603 * @param c The connection 604 * @return A cookie 605 * 606 * Creates a block of operations intended to occur together. This may be needed if window presentation requires changing buffers unknown to this extension, such as depth or stencil buffers. 607 * 608 * This form can be used only if the request will not cause 609 * a reply to be generated. Any returned error will be 610 * saved for handling by xcb_request_check(). 611 */ 612 xcb_void_cookie_t 613 xcb_dbe_begin_idiom_checked (xcb_connection_t *c); 614 615 /** 616 * @brief Begins a logical swap block 617 * 618 * @param c The connection 619 * @return A cookie 620 * 621 * Creates a block of operations intended to occur together. This may be needed if window presentation requires changing buffers unknown to this extension, such as depth or stencil buffers. 622 * 623 */ 624 xcb_void_cookie_t 625 xcb_dbe_begin_idiom (xcb_connection_t *c); 626 627 /** 628 * @brief Ends a logical swap block 629 * 630 * @param c The connection 631 * @return A cookie 632 * 633 * No description yet 634 * 635 * This form can be used only if the request will not cause 636 * a reply to be generated. Any returned error will be 637 * saved for handling by xcb_request_check(). 638 */ 639 xcb_void_cookie_t 640 xcb_dbe_end_idiom_checked (xcb_connection_t *c); 641 642 /** 643 * @brief Ends a logical swap block 644 * 645 * @param c The connection 646 * @return A cookie 647 * 648 * No description yet 649 * 650 */ 651 xcb_void_cookie_t 652 xcb_dbe_end_idiom (xcb_connection_t *c); 653 654 int 655 xcb_dbe_get_visual_info_sizeof (const void *_buffer); 656 657 /** 658 * @brief Requests visuals that support double buffering 659 * 660 * @param c The connection 661 * @return A cookie 662 * 663 * No description yet 664 * 665 */ 666 xcb_dbe_get_visual_info_cookie_t 667 xcb_dbe_get_visual_info (xcb_connection_t *c, 668 uint32_t n_drawables, 669 const xcb_drawable_t *drawables); 670 671 /** 672 * @brief Requests visuals that support double buffering 673 * 674 * @param c The connection 675 * @return A cookie 676 * 677 * No description yet 678 * 679 * This form can be used only if the request will cause 680 * a reply to be generated. Any returned error will be 681 * placed in the event queue. 682 */ 683 xcb_dbe_get_visual_info_cookie_t 684 xcb_dbe_get_visual_info_unchecked (xcb_connection_t *c, 685 uint32_t n_drawables, 686 const xcb_drawable_t *drawables); 687 688 int 689 xcb_dbe_get_visual_info_supported_visuals_length (const xcb_dbe_get_visual_info_reply_t *R); 690 691 xcb_dbe_visual_infos_iterator_t 692 xcb_dbe_get_visual_info_supported_visuals_iterator (const xcb_dbe_get_visual_info_reply_t *R); 693 694 /** 695 * Return the reply 696 * @param c The connection 697 * @param cookie The cookie 698 * @param e The xcb_generic_error_t supplied 699 * 700 * Returns the reply of the request asked by 701 * 702 * The parameter @p e supplied to this function must be NULL if 703 * xcb_dbe_get_visual_info_unchecked(). is used. 704 * Otherwise, it stores the error if any. 705 * 706 * The returned value must be freed by the caller using free(). 707 */ 708 xcb_dbe_get_visual_info_reply_t * 709 xcb_dbe_get_visual_info_reply (xcb_connection_t *c, 710 xcb_dbe_get_visual_info_cookie_t cookie /**< */, 711 xcb_generic_error_t **e); 712 713 /** 714 * @brief Gets back buffer attributes 715 * 716 * @param c The connection 717 * @param buffer The back buffer to query. 718 * @return A cookie 719 * 720 * Returns the attributes of the specified \a buffer. 721 * 722 */ 723 xcb_dbe_get_back_buffer_attributes_cookie_t 724 xcb_dbe_get_back_buffer_attributes (xcb_connection_t *c, 725 xcb_dbe_back_buffer_t buffer); 726 727 /** 728 * @brief Gets back buffer attributes 729 * 730 * @param c The connection 731 * @param buffer The back buffer to query. 732 * @return A cookie 733 * 734 * Returns the attributes of the specified \a buffer. 735 * 736 * This form can be used only if the request will cause 737 * a reply to be generated. Any returned error will be 738 * placed in the event queue. 739 */ 740 xcb_dbe_get_back_buffer_attributes_cookie_t 741 xcb_dbe_get_back_buffer_attributes_unchecked (xcb_connection_t *c, 742 xcb_dbe_back_buffer_t buffer); 743 744 /** 745 * Return the reply 746 * @param c The connection 747 * @param cookie The cookie 748 * @param e The xcb_generic_error_t supplied 749 * 750 * Returns the reply of the request asked by 751 * 752 * The parameter @p e supplied to this function must be NULL if 753 * xcb_dbe_get_back_buffer_attributes_unchecked(). is used. 754 * Otherwise, it stores the error if any. 755 * 756 * The returned value must be freed by the caller using free(). 757 */ 758 xcb_dbe_get_back_buffer_attributes_reply_t * 759 xcb_dbe_get_back_buffer_attributes_reply (xcb_connection_t *c, 760 xcb_dbe_get_back_buffer_attributes_cookie_t cookie /**< */, 761 xcb_generic_error_t **e); 762 763 764 #ifdef __cplusplus 765 } 766 #endif 767 768 #endif 769 770 /** 771 * @} 772 */ 773