Mercurial > hg > Members > kono > Cerium
annotate Renderer/Engine/viewer.cc @ 575:0f13810d4492
Linda API worked. (slightly unreliable)
| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Fri, 23 Oct 2009 15:53:24 +0900 |
| parents | 27a826cb2551 |
| children | 1733f3cbfa28 |
| rev | line source |
|---|---|
| 507 | 1 #include <SDL.h> |
| 2 #include "viewer.h" | |
| 3 #include "viewer_types.h" | |
| 4 #include "SceneGraph.h" | |
| 5 #include "SceneGraphRoot.h" | |
| 6 #include "scene_graph_pack.h" | |
| 7 #include "sys.h" | |
| 8 #include "Func.h" | |
| 9 #include "error.h" | |
| 10 #include "TaskManager.h" | |
| 11 #include <wchar.h> | |
| 12 #include "Pad.h" | |
| 511 | 13 #include "Application.h" |
|
575
0f13810d4492
Linda API worked. (slightly unreliable)
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
572
diff
changeset
|
14 #include "lindaapi.h" |
| 507 | 15 |
| 523 | 16 static void post2runLoop(SchedTask *s,void *viewer,void *s1); |
| 17 static void post2runDraw(SchedTask *s,void *viewer,void *s1); | |
| 18 static void post2speRendering(SchedTask *s,void *viewer,void *s1); | |
| 19 static void post2speDraw(SchedTask *s,void *viewer,void *s1); | |
| 20 static void post2runMoveDrawLoop(SchedTask *s,void *viewer,void *s1); | |
| 507 | 21 |
| 22 /* measure for FPS (Frame Per Second) */ | |
| 23 int start_time; | |
| 24 int this_time; | |
| 25 int frames; | |
| 514 | 26 // static void post2speRunLoop(void *viewer); |
| 27 //static void post2runMove(void *viewer); | |
| 28 //static void post2exchange_sgroot(void *viewer); | |
| 29 //static void post2speRunLoop(void *viewer); | |
| 507 | 30 |
| 31 //SceneGraphRootPtr sgroot_2; | |
| 32 | |
| 33 /* Data Pack sent to Other CPUs (ex. SPE) */ | |
| 34 SceneGraphPack *sgpack; | |
| 35 PolygonPack *ppack; | |
| 36 SpanPackPtr spackList; | |
| 37 SpanPackPtr *spackList_ptr; | |
| 38 | |
| 39 int spackList_length; | |
| 40 int spackList_length_align; | |
| 41 | |
| 42 /** | |
| 43 * | |
| 44 */ | |
| 45 | |
| 46 Viewer::Viewer(int b, int w, int h, int _num) | |
| 47 { | |
| 48 bpp = b; | |
| 49 width = w; | |
| 50 height = h; | |
| 51 spe_num = _num; | |
| 52 } | |
| 53 | |
| 54 int | |
| 55 Viewer::get_ticks(void) | |
| 56 { | |
| 57 int time; | |
| 58 time = SDL_GetTicks(); | |
| 59 return time; | |
| 60 } | |
| 61 | |
| 62 bool | |
| 63 Viewer::quit_check(void) | |
| 64 { | |
| 65 SDL_Event event; | |
| 66 | |
| 67 while(SDL_PollEvent(&event)) { | |
| 68 if (event.type==SDL_QUIT) { | |
| 69 return true; | |
| 70 } | |
| 71 } | |
| 72 | |
| 73 Uint8 *keys=SDL_GetKeyState(NULL); | |
| 74 | |
| 75 if (keys[SDLK_q] == SDL_PRESSED) { | |
| 76 return true; | |
| 77 } | |
| 78 | |
| 79 return false; | |
| 80 } | |
| 81 | |
| 82 void | |
| 83 Viewer::quit(void) | |
| 84 { | |
| 85 SDL_Quit(); | |
| 86 } | |
| 87 | |
| 88 void | |
| 89 Viewer::swap_buffers(void) | |
| 90 { | |
| 91 SDL_GL_SwapBuffers(); | |
| 92 } | |
| 93 | |
| 94 | |
| 95 void | |
|
509
8148c81d2660
Cerium Rendering Library
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
507
diff
changeset
|
96 Viewer::run_init(TaskManager *manager, Application *app) |
| 507 | 97 { |
| 98 this->manager = manager; | |
| 99 | |
| 100 start_time = get_ticks(); | |
| 101 this_time = 0; | |
| 102 frames = 0; | |
| 103 | |
| 104 sgroot = new SceneGraphRoot(this->width, this->height); | |
| 572 | 105 sgroot->tmanager = manager; |
|
509
8148c81d2660
Cerium Rendering Library
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
507
diff
changeset
|
106 |
| 511 | 107 MainLoop *mainloop = app->init(this, this->width, this->height); |
| 507 | 108 |
| 511 | 109 mainloop->mainLoop(); |
| 507 | 110 } |
| 111 | |
| 112 | |
| 113 HTaskPtr | |
| 114 Viewer::initLoop() | |
| 115 { | |
| 116 HTaskPtr task_next; | |
| 117 HTaskPtr task_tex; | |
| 118 | |
| 119 sgpack = (SceneGraphPack*)manager->allocate(sizeof(SceneGraphPack)); | |
| 120 sgpack->init(); | |
| 121 ppack = (PolygonPack*)manager->allocate(sizeof(PolygonPack)); | |
| 122 | |
| 123 spackList_length = (this->height + split_screen_h - 1) / split_screen_h; | |
| 124 spackList = (SpanPack*)manager->allocate(sizeof(SpanPack)*spackList_length); | |
| 125 | |
| 126 /** | |
| 127 * SPU に送る address list は 16 バイト倍数でないといけない。 | |
| 128 * spackList_length*sizeof(SpanPack*) が 16 バイト倍数になるような | |
| 129 * length_align を求めている。はみ出した部分は使われない | |
| 130 * (ex) spackList_length が 13 の場合 | |
| 131 * spackList_length_align = 16; | |
| 132 * 実際に送るデータは64バイトになるのでOK | |
| 133 * 14,15,16 の部分は何も入らない。 | |
| 134 */ | |
| 135 spackList_length_align = (spackList_length + 3)&(~3); | |
| 136 | |
| 137 /* 各 SPU が持つ、SpanPack の address list */ | |
| 138 spackList_ptr = | |
| 139 (SpanPack**)manager->allocate(sizeof(SpanPack*)*spackList_length_align); | |
| 140 | |
| 141 for (int i = 0; i < spackList_length; i++) { | |
| 142 spackList_ptr[i] = &spackList[i]; | |
| 143 } | |
| 144 | |
| 145 for (int i = 1; i <= spackList_length; i++) { | |
| 146 spackList[i-1].init(i*split_screen_h); | |
| 147 } | |
| 148 | |
| 149 task_next = manager->create_task(TASK_DUMMY); | |
| 150 | |
| 151 for (int i = 0; i < spe_num; i++) { | |
| 152 task_tex = manager->create_task(TASK_INIT_TEXTURE); | |
| 153 /* | |
| 154 * ここはもう少しわかりやすい使い方がいいかもしれぬ。こんなもん？ | |
| 155 */ | |
| 156 task_tex->set_cpu((CPU_TYPE)((int)SPE_0 + i)); | |
| 157 task_next->wait_for(task_tex); | |
| 158 task_tex->spawn(); | |
| 159 } | |
| 160 | |
| 161 return task_next; | |
| 162 } | |
| 163 | |
| 164 /* Loop って言っても１回しか実行されない */ | |
| 165 void | |
| 166 Viewer::speLoop() | |
| 167 { | |
| 168 HTaskPtr task_next = initLoop(); | |
| 169 // key の情報を格納する領域を確保する (global_alloc(KEY_STATUS)) | |
| 170 HTaskPtr init_key_task = manager->create_task(INIT_KEY_TASK); | |
| 171 init_key_task->set_cpu(SPE_0); | |
| 172 init_key_task->spawn(); | |
| 173 | |
| 174 // SPE に送信する KEY_STATUS の領域確保 | |
| 175 key_stat *key = (key_stat*)manager->allocate(sizeof(key_stat)); | |
| 176 this->keyPtr = key; | |
| 177 | |
| 178 // post2runLoop は旧バージョン用なので post2speRunLoop の様なものを別につくるべき | |
| 179 //task_next->set_post(post2speRunLoop, (void*)this); // set_post(function(this->run_loop()), NULL) | |
| 180 //task_next->spawn(); | |
| 181 // TASK_INIT_TEXTURE が全て終わったら DUMMY_TASK が Viewer::run_loop() を呼ぶ | |
| 182 | |
| 183 /* test */ | |
| 184 | |
| 185 HTaskPtr task_switch = manager->create_task(TASK_SWITCH); | |
| 186 task_switch->wait_for(task_next); | |
| 514 | 187 task_switch->set_post(post2runMoveDrawLoop, (void*)this, 0); |
| 507 | 188 task_switch->spawn(); |
| 189 } | |
| 190 | |
| 191 void | |
| 192 Viewer::getKey() | |
| 193 { | |
| 194 Pad *pad = sgroot->getController(); | |
| 195 if (pad->right.isHold()) { | |
| 196 keyPtr->right = HOLD; | |
| 197 } else if (pad->right.isPush()) { | |
| 198 keyPtr->right = PUSH; | |
| 199 } else { | |
| 200 keyPtr->right = NONE; | |
| 201 } | |
| 202 | |
| 203 if (pad->left.isHold()) { | |
| 204 keyPtr->left = HOLD; | |
| 205 } else if (pad->left.isPush()) { | |
| 206 keyPtr->left = PUSH; | |
| 207 } else { | |
| 208 keyPtr->left = NONE; | |
| 209 } | |
| 210 | |
| 211 if (pad->up.isHold()) { | |
| 212 keyPtr->up = HOLD; | |
| 213 } else if (pad->up.isPush()) { | |
| 214 keyPtr->up = PUSH; | |
| 215 } else { | |
| 216 keyPtr->up = NONE; | |
| 217 } | |
| 218 | |
| 219 if (pad->down.isHold()) { | |
| 220 keyPtr->down = HOLD; | |
| 221 } else if (pad->down.isPush()) { | |
| 222 keyPtr->down = PUSH; | |
| 223 } else { | |
| 224 keyPtr->down = NONE; | |
| 225 } | |
| 226 | |
| 227 if (pad->circle.isHold()) { | |
| 228 keyPtr->circle = HOLD; | |
| 229 } else if (pad->circle.isPush()) { | |
| 230 keyPtr->circle = PUSH; | |
| 231 } else { | |
| 232 keyPtr->circle = NONE; | |
| 233 } | |
| 234 } | |
| 235 | |
| 236 static void | |
| 514 | 237 post2runMoveDrawLoop(SchedTask *m, void *viewer_, void *arg) |
| 507 | 238 { |
| 239 Viewer *viewer = (Viewer*)viewer_; | |
| 240 | |
| 241 // 同じ PPE 上なので sgroot(ポインタ) を add_param で送る。 | |
| 242 //HTaskPtr send_key_task = viewer->manager->create_task(SEND_KEY); | |
| 243 //send_key_task->add_param((int)sgroot); | |
| 244 // set input data -> viewer keyPtr | |
| 245 viewer->getKey(); | |
| 246 HTaskPtr update_key = viewer->manager->create_task(UPDATE_KEY); | |
| 247 update_key->add_inData(viewer->keyPtr, sizeof(key_stat)); | |
| 248 update_key->set_cpu(SPE_0); | |
| 249 update_key->spawn(); | |
| 250 | |
| 251 /* TASK_MOVE は外から引数で取ってくるべき */ | |
| 252 //HTaskPtr move_task = viewer->manager->create_task(viewer->app->move_taskid); | |
| 253 HTaskPtr move_task = viewer->manager->create_task(TASK_MOVE); | |
| 254 //move_task->add_param(sgroot); | |
| 255 | |
| 256 //HTaskPtr draw_task = viewer->manager->create_task(TASK_DRAW); | |
| 257 | |
| 258 /* rendering task test */ | |
| 259 HTaskPtr draw_task = viewer->manager->create_task(TASK_DUMMY); | |
| 260 HTaskPtr draw_dummy = viewer->manager->create_task(TASK_DUMMY); | |
| 261 | |
| 262 HTaskPtr switch_task = viewer->manager->create_task(TASK_SWITCH); | |
| 263 viewer->draw_dummy = draw_dummy; | |
| 264 switch_task->wait_for(draw_dummy); | |
| 514 | 265 draw_task->set_post(post2speRendering, (void*)viewer, 0); |
| 507 | 266 |
| 267 switch_task->wait_for(move_task); | |
| 268 switch_task->wait_for(draw_task); | |
| 269 move_task->spawn(); | |
| 270 draw_task->spawn(); | |
| 271 | |
| 514 | 272 switch_task->set_post(post2runMoveDrawLoop, (void*)viewer, 0); |
| 507 | 273 switch_task->spawn(); |
| 274 | |
| 275 } | |
| 276 | |
| 277 #if 0 | |
| 278 static void | |
| 279 post2speRunLoop(void *viewer_) | |
| 280 { | |
| 281 Viewer *viewer = (Viewer *)viewer_; | |
| 282 HTaskPtr task_next = viewer->manager->create_task(TASK_DUMMY); | |
| 283 viewer->run_move(task_next); | |
| 284 } | |
| 285 #endif | |
| 286 | |
| 287 void | |
| 288 Viewer::mainLoop() | |
| 289 { | |
| 290 HTaskPtr task_next = initLoop(); | |
| 291 | |
| 514 | 292 task_next->set_post(&post2runLoop, (void *)this, 0); // set_post(function(this->run_loop()), NULL) |
| 507 | 293 task_next->spawn(); |
| 294 } | |
| 295 | |
| 296 #if 0 | |
| 297 void | |
| 298 post2runMove(void *viewer_) | |
| 299 { | |
| 300 Viewer *viewer = (Viewer*)viewer_; | |
| 301 HTaskPtr task_next = viewer->manager->create_task(TASK_DUMMY); | |
| 302 viewer->run_move(task_next); | |
| 303 } | |
| 304 #endif | |
| 305 | |
| 306 | |
| 307 void | |
| 308 Viewer::run_move(HTaskPtr task_next) | |
| 309 { | |
| 310 sgroot->updateControllerState(); | |
| 311 sgroot->allExecute(width, height); | |
| 312 } | |
| 313 | |
| 314 void | |
| 315 Viewer::run_collision() | |
| 316 { | |
| 317 } | |
| 318 | |
| 319 void | |
| 514 | 320 post2rendering(SchedTask *s, void *viewer_, void *arg) |
| 507 | 321 { |
| 322 Viewer *viewer = (Viewer *)viewer_; | |
| 323 HTaskPtr task_next = viewer->manager->create_task(TASK_DUMMY); | |
| 324 viewer->rendering(task_next); | |
| 325 } | |
| 326 | |
| 327 void | |
| 328 Viewer::rendering(HTaskPtr task_next) | |
| 329 { | |
| 330 common_rendering(task_next); | |
| 331 | |
| 332 // Barrier 同期 | |
| 333 // run_draw() を呼ぶ post2runDraw | |
| 514 | 334 task_next->set_post(post2runDraw, (void*)this, 0); // set_post(function(this->run_draw()), NULL) |
| 507 | 335 task_next->spawn(); |
| 336 | |
| 337 // TASK_CREATE_SPAN が全て終わったら DUMMY_TASK が Viewer::run_draw() を呼ぶ | |
| 338 } | |
| 339 | |
| 340 static void | |
| 514 | 341 post2runLoop(SchedTask *s, void *viewer_, void *arg) |
| 507 | 342 { |
| 343 Viewer *viewer = (Viewer*)viewer_; | |
| 344 HTaskPtr task_next = viewer->manager->create_task(TASK_DUMMY); | |
| 345 viewer->run_loop(task_next); | |
| 346 | |
|
575
0f13810d4492
Linda API worked. (slightly unreliable)
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
572
diff
changeset
|
347 psx_sync_n(); |
| 507 | 348 } |
| 349 | |
| 350 void | |
| 351 Viewer::run_loop(HTaskPtr task_next) | |
| 352 { | |
| 353 bool quit_flg; | |
| 354 quit_flg = quit_check(); | |
| 355 if (quit_flg == true) { | |
| 356 this_time = get_ticks(); | |
| 357 run_finish(); | |
| 358 return; | |
| 359 } | |
| 360 | |
| 361 clean_pixels(); | |
| 362 | |
| 363 for (int i = 1; i <= spackList_length; i++) { | |
| 364 spackList[i-1].reinit(i*split_screen_h); | |
| 365 } | |
| 366 | |
| 367 //run_move(task_next); | |
| 368 sgroot->updateControllerState(); | |
| 369 sgroot->allExecute(width, height); | |
| 370 //sgroot->checkRemove(); | |
| 371 | |
| 372 // ここから下は Rendering という関数にする | |
| 373 rendering(task_next); | |
| 374 } | |
| 375 | |
| 376 static void | |
| 514 | 377 post2runDraw(SchedTask *s, void *viewer_, void *arg) |
| 507 | 378 { |
| 379 Viewer *viewer = (Viewer*)viewer_; | |
| 380 HTaskPtr task_next = viewer->manager->create_task(TASK_DUMMY); | |
| 381 viewer->run_draw(task_next); | |
| 382 | |
| 383 } | |
| 384 | |
| 385 void | |
| 386 Viewer::run_draw(HTaskPtr task_next) // 引数に post2runLoop を入れるようにする | |
| 387 { | |
| 388 common_draw(task_next); | |
| 389 | |
| 514 | 390 task_next->set_post(post2runLoop, (void*)this, 0); // set_post(function(this->run_loop()), NULL) |
| 507 | 391 task_next->spawn(); |
| 392 // TASK_DRAW_SPAN が全て終わったら DUMMY_TASK が Viewer::run_loop() を呼ぶ | |
| 393 | |
| 394 frames++; | |
| 395 } | |
| 396 | |
| 397 void | |
| 398 Viewer::run_finish(void) | |
| 399 { | |
| 400 if (this_time != start_time) { | |
| 401 printf("%f FPS\n", (((float)frames)/(this_time-start_time))*1000.0); | |
| 402 } | |
| 403 | |
| 404 delete sgroot; | |
| 405 // delete sgroot_2; | |
| 406 quit(); | |
| 407 } | |
| 408 | |
| 409 static void | |
| 514 | 410 post2speRendering(SchedTask *s, void *viewer_, void *arg) |
| 507 | 411 { |
| 412 Viewer *viewer = (Viewer*)viewer_; | |
| 413 HTaskPtr task_next = viewer->manager->create_task(TASK_DUMMY); | |
| 414 viewer->spe_rendering(task_next); | |
| 415 } | |
| 416 | |
| 417 void | |
| 418 Viewer::spe_rendering(HTaskPtr task_next) | |
| 419 { | |
| 420 common_rendering(task_next); | |
| 421 | |
| 422 this->draw_dummy->wait_for(task_next); | |
| 514 | 423 task_next->set_post(post2speDraw, (void*)this, 0); |
| 507 | 424 task_next->spawn(); |
| 425 | |
| 426 } | |
| 427 | |
| 428 static void | |
| 514 | 429 post2speDraw(SchedTask *s, void *viewer_, void *arg) |
| 507 | 430 { |
| 431 Viewer *viewer = (Viewer*)viewer_; | |
| 432 HTaskPtr task_next = viewer->manager->create_task(TASK_DUMMY); | |
| 433 viewer->spe_draw(task_next); | |
| 434 } | |
| 435 | |
| 436 void | |
| 437 Viewer::spe_draw(HTaskPtr task_next) | |
| 438 { | |
| 439 common_draw(task_next); | |
| 440 | |
| 441 this->draw_dummy->wait_for(task_next); | |
| 442 task_next->spawn(); | |
| 443 this->draw_dummy->spawn(); | |
| 444 | |
| 445 frames++; | |
| 446 } | |
| 447 | |
| 448 void | |
| 449 Viewer::common_rendering(HTaskPtr task_next) | |
| 450 { | |
| 451 HTaskPtr task_create_pp = manager->create_task(TASK_CREATE_PP2); | |
| 452 | |
| 453 // SceneGraph(木構造) -> PolygonPack | |
| 454 | |
| 455 task_create_pp->add_param((uint32)sgroot->getDrawSceneGraph()); | |
| 456 task_create_pp->add_param((uint32)ppack); | |
| 457 | |
| 458 task_next->wait_for(task_create_pp); | |
| 459 | |
| 460 int range_base = spe_num; | |
| 461 // 切り上げのつもり | |
| 462 int range = (spackList_length + range_base - 1) / range_base; | |
| 463 | |
| 464 for (int i = 0; i < range_base; i++) { | |
| 465 int index_start = range*i; | |
| 466 int index_end = (index_start + range >= spackList_length) | |
| 467 ? spackList_length : index_start + range; | |
| 468 | |
| 469 HTaskPtr task_create_sp = manager->create_task(TASK_CREATE_SPAN); | |
| 470 task_create_sp->add_inData(ppack, sizeof(PolygonPack)); | |
| 471 task_create_sp->add_inData(spackList_ptr, | |
| 472 sizeof(SpanPack*)*spackList_length_align); | |
| 473 task_create_sp->add_inData(&spackList[index_start], sizeof(SpanPack)); | |
| 474 | |
| 475 task_create_sp->add_param(index_start); | |
| 476 | |
| 477 /** | |
| 478 * ex. screen_height が 480, spenum が 6 の場合、各SPEのy担当範囲 | |
| 479 * [ 1.. 80] [ 81..160] [161..240] | |
| 480 * [241..320] [321..400] [401..480] | |
| 481 * | |
| 482 * ex. screen_height が 1080, spenum が 5 の場合、 | |
| 483 * [ 1..216] [217..432] [433..648] | |
| 484 * [649..864] [865..1080] | |
| 485 */ | |
| 486 task_create_sp->add_param(index_start*split_screen_h + 1); | |
| 487 task_create_sp->add_param(index_end*split_screen_h); | |
| 488 | |
| 489 task_next->wait_for(task_create_sp); | |
| 490 task_create_sp->wait_for(task_create_pp); | |
| 491 | |
| 492 task_create_sp->set_cpu(SPE_ANY); | |
| 493 task_create_sp->spawn(); | |
| 494 } | |
| 495 | |
| 496 task_create_pp->spawn(); | |
| 497 } | |
| 498 | |
| 499 void | |
| 500 Viewer::common_draw(HTaskPtr task_next) | |
| 501 { | |
| 502 HTaskPtr task_draw; | |
| 503 | |
| 504 //task_next = manager->create_task(TASK_DUMMY); | |
| 505 //task_next->set_post(post2runLoop, (void*)this); | |
| 506 | |
| 507 ppack->clear(); | |
| 508 for (int i = 0; i < spackList_length; i++) { | |
| 509 SpanPack *spack = &spackList[i]; | |
| 510 int startx = 1; | |
| 511 int endx = split_screen_w; | |
| 512 | |
| 513 int starty = spack->info.y_top - split_screen_h + 1; | |
| 514 //int endy = spack->info.y_top; | |
| 515 int rangey = (starty + split_screen_h - 1 > this->height) | |
| 516 ? this->height - starty + 1 : split_screen_h; | |
| 517 | |
| 518 while (startx < this->width) { | |
| 519 if (spack->info.size > 0) { | |
| 520 // Draw SpanPack | |
| 521 task_draw = manager->create_task(TASK_DRAW_SPAN); | |
| 522 task_draw->add_inData(spack, sizeof(SpanPack)); | |
| 523 | |
| 524 task_draw->add_param( | |
| 525 (uint32)&pixels[(startx-1) + this->width*(starty-1)]); | |
| 526 task_draw->add_param(this->width); | |
| 527 } else { | |
| 528 // 7.7.3 SL1 Data Cache Range Set to Zero コマンド | |
| 529 // を使って、DMAでclearするべき... ということは、 | |
| 530 // それもSPEでやる方が良い? | |
| 531 memset(&pixels[(startx-1)+this->width*(starty-1)], | |
| 532 0, (this->width)*sizeof(int)*rangey); | |
| 533 break; | |
| 534 } | |
| 535 | |
| 536 task_draw->add_param(startx); | |
| 537 task_draw->add_param(endx); | |
| 538 task_draw->add_param(rangey); | |
| 539 task_draw->set_cpu(SPE_ANY); | |
| 540 task_next->wait_for(task_draw); | |
| 541 task_draw->spawn(); | |
| 542 | |
| 543 startx += split_screen_w; | |
| 544 endx += split_screen_w; | |
| 545 | |
| 546 if (endx > this->width) { | |
| 547 endx = this->width; | |
| 548 } | |
| 549 } | |
| 550 } | |
| 551 } | |
| 552 | |
| 553 /* end */ |