Alexander von Gluck IV | c9f1217 | 2013-10-01 21:03:48 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2006-2012, Haiku. All rights reserved. |
| 3 | * Distributed under the terms of the MIT License. |
| 4 | * |
| 5 | * Authors: |
| 6 | * Jérôme Duval, korli@users.berlios.de |
| 7 | * Philippe Houdoin, philippe.houdoin@free.fr |
| 8 | * Stefano Ceccherini, burton666@libero.it |
| 9 | */ |
| 10 | |
| 11 | #include <kernel/image.h> |
| 12 | |
| 13 | #include <GLView.h> |
| 14 | |
| 15 | #include <assert.h> |
| 16 | #include <stdio.h> |
| 17 | #include <stdlib.h> |
| 18 | #include <string.h> |
| 19 | |
| 20 | #include <DirectWindow.h> |
| 21 | #include <GLRenderer.h> |
| 22 | |
| 23 | #include "interface/DirectWindowPrivate.h" |
| 24 | #include "GLDispatcher.h" |
| 25 | #include "GLRendererRoster.h" |
| 26 | |
| 27 | |
| 28 | struct glview_direct_info { |
| 29 | direct_buffer_info* direct_info; |
| 30 | bool direct_connected; |
| 31 | bool enable_direct_mode; |
| 32 | |
| 33 | glview_direct_info(); |
| 34 | ~glview_direct_info(); |
| 35 | }; |
| 36 | |
| 37 | |
| 38 | BGLView::BGLView(BRect rect, const char* name, ulong resizingMode, ulong mode, |
| 39 | ulong options) |
| 40 | : |
| 41 | BView(rect, name, B_FOLLOW_ALL_SIDES, mode | B_WILL_DRAW | B_FRAME_EVENTS), |
| 42 | // | B_FULL_UPDATE_ON_RESIZE) |
| 43 | fGc(NULL), |
| 44 | fOptions(options), |
| 45 | fDitherCount(0), |
| 46 | fDrawLock("BGLView draw lock"), |
| 47 | fDisplayLock("BGLView display lock"), |
| 48 | fClipInfo(NULL), |
| 49 | fRenderer(NULL), |
| 50 | fRoster(NULL), |
| 51 | fDitherMap(NULL) |
| 52 | { |
| 53 | fRoster = new GLRendererRoster(this, options); |
| 54 | } |
| 55 | |
| 56 | |
| 57 | BGLView::~BGLView() |
| 58 | { |
| 59 | delete fClipInfo; |
| 60 | if (fRenderer) |
| 61 | fRenderer->Release(); |
| 62 | } |
| 63 | |
| 64 | |
| 65 | void |
| 66 | BGLView::LockGL() |
| 67 | { |
| 68 | // TODO: acquire the OpenGL API lock it on this glview |
| 69 | |
| 70 | fDisplayLock.Lock(); |
| 71 | if (fRenderer) |
| 72 | fRenderer->LockGL(); |
| 73 | } |
| 74 | |
| 75 | |
| 76 | void |
| 77 | BGLView::UnlockGL() |
| 78 | { |
| 79 | if (fRenderer) |
| 80 | fRenderer->UnlockGL(); |
| 81 | fDisplayLock.Unlock(); |
| 82 | |
| 83 | // TODO: release the GL API lock to others glviews |
| 84 | } |
| 85 | |
| 86 | |
| 87 | void |
| 88 | BGLView::SwapBuffers() |
| 89 | { |
| 90 | SwapBuffers(false); |
| 91 | } |
| 92 | |
| 93 | |
| 94 | void |
| 95 | BGLView::SwapBuffers(bool vSync) |
| 96 | { |
| 97 | if (fRenderer) { |
| 98 | _LockDraw(); |
| 99 | fRenderer->SwapBuffers(vSync); |
| 100 | _UnlockDraw(); |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | |
| 105 | BView* |
| 106 | BGLView::EmbeddedView() |
| 107 | { |
| 108 | return NULL; |
| 109 | } |
| 110 | |
| 111 | |
| 112 | void* |
| 113 | BGLView::GetGLProcAddress(const char* procName) |
| 114 | { |
| 115 | BGLDispatcher* glDispatcher = NULL; |
| 116 | |
| 117 | if (fRenderer) |
| 118 | glDispatcher = fRenderer->GLDispatcher(); |
| 119 | |
| 120 | if (glDispatcher) |
| 121 | return (void*)glDispatcher->AddressOf(procName); |
| 122 | |
| 123 | return NULL; |
| 124 | } |
| 125 | |
| 126 | |
| 127 | status_t |
| 128 | BGLView::CopyPixelsOut(BPoint source, BBitmap* dest) |
| 129 | { |
| 130 | if (!fRenderer) |
| 131 | return B_ERROR; |
| 132 | |
| 133 | if (!dest || !dest->Bounds().IsValid()) |
| 134 | return B_BAD_VALUE; |
| 135 | |
| 136 | return fRenderer->CopyPixelsOut(source, dest); |
| 137 | } |
| 138 | |
| 139 | |
| 140 | status_t |
| 141 | BGLView::CopyPixelsIn(BBitmap* source, BPoint dest) |
| 142 | { |
| 143 | if (!fRenderer) |
| 144 | return B_ERROR; |
| 145 | |
| 146 | if (!source || !source->Bounds().IsValid()) |
| 147 | return B_BAD_VALUE; |
| 148 | |
| 149 | return fRenderer->CopyPixelsIn(source, dest); |
| 150 | } |
| 151 | |
| 152 | |
| 153 | /*! Mesa's GLenum is not ulong but uint, so we can't use GLenum |
| 154 | without breaking this method signature. |
| 155 | Instead, we have to use the effective BeOS's SGI OpenGL GLenum type: |
| 156 | unsigned long. |
| 157 | */ |
| 158 | void |
| 159 | BGLView::ErrorCallback(unsigned long errorCode) |
| 160 | { |
| 161 | char msg[32]; |
| 162 | sprintf(msg, "GL: Error code $%04lx.", errorCode); |
| 163 | // TODO: under BeOS R5, it call debugger(msg); |
| 164 | fprintf(stderr, "%s\n", msg); |
| 165 | } |
| 166 | |
| 167 | |
| 168 | void |
| 169 | BGLView::Draw(BRect updateRect) |
| 170 | { |
| 171 | if (fRenderer) { |
| 172 | _LockDraw(); |
| 173 | fRenderer->Draw(updateRect); |
| 174 | _UnlockDraw(); |
| 175 | return; |
| 176 | } |
| 177 | // TODO: auto-size and center the string |
| 178 | MovePenTo(8, 32); |
| 179 | DrawString("No OpenGL renderer available!"); |
| 180 | } |
| 181 | |
| 182 | |
| 183 | void |
| 184 | BGLView::AttachedToWindow() |
| 185 | { |
| 186 | BView::AttachedToWindow(); |
| 187 | |
| 188 | fBounds = Bounds(); |
| 189 | for (BView* view = this; view != NULL; view = view->Parent()) |
| 190 | view->ConvertToParent(&fBounds); |
| 191 | |
| 192 | fRenderer = fRoster->GetRenderer(); |
| 193 | if (fRenderer != NULL) { |
| 194 | // Jackburton: The following code was commented because it doesn't look |
| 195 | // good in "direct" mode: |
| 196 | // when the window is moved, the app_server doesn't paint the view's |
| 197 | // background, and the stuff behind the window itself shows up. |
| 198 | // Setting the view color to black, instead, looks a bit more elegant. |
| 199 | #if 0 |
| 200 | // Don't paint white window background when resized |
| 201 | SetViewColor(B_TRANSPARENT_32_BIT); |
| 202 | #else |
| 203 | SetViewColor(0, 0, 0); |
| 204 | #endif |
| 205 | |
| 206 | // Set default OpenGL viewport: |
| 207 | LockGL(); |
| 208 | glViewport(0, 0, Bounds().IntegerWidth(), Bounds().IntegerHeight()); |
| 209 | UnlockGL(); |
| 210 | fRenderer->FrameResized(Bounds().IntegerWidth(), |
| 211 | Bounds().IntegerHeight()); |
| 212 | |
| 213 | if (fClipInfo) { |
| 214 | fRenderer->DirectConnected(fClipInfo->direct_info); |
| 215 | fRenderer->EnableDirectMode(fClipInfo->enable_direct_mode); |
| 216 | } |
| 217 | |
| 218 | return; |
| 219 | } |
| 220 | |
| 221 | fprintf(stderr, "no renderer found! \n"); |
| 222 | |
| 223 | // No Renderer, no rendering. Setup a minimal "No Renderer" string drawing |
| 224 | // context |
| 225 | SetFont(be_bold_font); |
| 226 | // SetFontSize(16); |
| 227 | } |
| 228 | |
| 229 | |
| 230 | void |
| 231 | BGLView::AllAttached() |
| 232 | { |
| 233 | BView::AllAttached(); |
| 234 | } |
| 235 | |
| 236 | |
| 237 | void |
| 238 | BGLView::DetachedFromWindow() |
| 239 | { |
| 240 | if (fRenderer) |
| 241 | fRenderer->Release(); |
| 242 | fRenderer = NULL; |
| 243 | |
| 244 | BView::DetachedFromWindow(); |
| 245 | } |
| 246 | |
| 247 | |
| 248 | void |
| 249 | BGLView::AllDetached() |
| 250 | { |
| 251 | BView::AllDetached(); |
| 252 | } |
| 253 | |
| 254 | |
| 255 | void |
| 256 | BGLView::FrameResized(float width, float height) |
| 257 | { |
| 258 | fBounds = Bounds(); |
| 259 | for (BView* v = this; v; v = v->Parent()) |
| 260 | v->ConvertToParent(&fBounds); |
| 261 | |
| 262 | if (fRenderer) { |
| 263 | LockGL(); |
| 264 | _LockDraw(); |
| 265 | _CallDirectConnected(); |
| 266 | fRenderer->FrameResized(width, height); |
| 267 | _UnlockDraw(); |
| 268 | UnlockGL(); |
| 269 | } |
| 270 | |
| 271 | BView::FrameResized(width, height); |
| 272 | } |
| 273 | |
| 274 | |
| 275 | status_t |
| 276 | BGLView::Perform(perform_code d, void* arg) |
| 277 | { |
| 278 | return BView::Perform(d, arg); |
| 279 | } |
| 280 | |
| 281 | |
| 282 | status_t |
| 283 | BGLView::Archive(BMessage* data, bool deep) const |
| 284 | { |
| 285 | return BView::Archive(data, deep); |
| 286 | } |
| 287 | |
| 288 | |
| 289 | void |
| 290 | BGLView::MessageReceived(BMessage* msg) |
| 291 | { |
| 292 | BView::MessageReceived(msg); |
| 293 | } |
| 294 | |
| 295 | |
| 296 | void |
| 297 | BGLView::SetResizingMode(uint32 mode) |
| 298 | { |
| 299 | BView::SetResizingMode(mode); |
| 300 | } |
| 301 | |
| 302 | |
| 303 | void |
| 304 | BGLView::GetPreferredSize(float* _width, float* _height) |
| 305 | { |
| 306 | if (_width) |
| 307 | *_width = 0; |
| 308 | if (_height) |
| 309 | *_height = 0; |
| 310 | } |
| 311 | |
| 312 | |
| 313 | void |
| 314 | BGLView::Show() |
| 315 | { |
| 316 | BView::Show(); |
| 317 | } |
| 318 | |
| 319 | |
| 320 | void |
| 321 | BGLView::Hide() |
| 322 | { |
| 323 | BView::Hide(); |
| 324 | } |
| 325 | |
| 326 | |
| 327 | BHandler* |
| 328 | BGLView::ResolveSpecifier(BMessage* msg, int32 index, BMessage* specifier, |
| 329 | int32 form, const char* property) |
| 330 | { |
| 331 | return BView::ResolveSpecifier(msg, index, specifier, form, property); |
| 332 | } |
| 333 | |
| 334 | |
| 335 | status_t |
| 336 | BGLView::GetSupportedSuites(BMessage* data) |
| 337 | { |
| 338 | return BView::GetSupportedSuites(data); |
| 339 | } |
| 340 | |
| 341 | |
| 342 | void |
| 343 | BGLView::DirectConnected(direct_buffer_info* info) |
| 344 | { |
| 345 | if (fClipInfo == NULL) { |
| 346 | fClipInfo = new (std::nothrow) glview_direct_info(); |
| 347 | if (fClipInfo == NULL) |
| 348 | return; |
| 349 | } |
| 350 | |
| 351 | direct_buffer_info* localInfo = fClipInfo->direct_info; |
| 352 | |
| 353 | switch (info->buffer_state & B_DIRECT_MODE_MASK) { |
| 354 | case B_DIRECT_START: |
| 355 | fClipInfo->direct_connected = true; |
| 356 | memcpy(localInfo, info, DIRECT_BUFFER_INFO_AREA_SIZE); |
| 357 | _UnlockDraw(); |
| 358 | break; |
| 359 | |
| 360 | case B_DIRECT_MODIFY: |
| 361 | _LockDraw(); |
| 362 | memcpy(localInfo, info, DIRECT_BUFFER_INFO_AREA_SIZE); |
| 363 | _UnlockDraw(); |
| 364 | break; |
| 365 | |
| 366 | case B_DIRECT_STOP: |
| 367 | fClipInfo->direct_connected = false; |
| 368 | _LockDraw(); |
| 369 | break; |
| 370 | } |
| 371 | |
| 372 | if (fRenderer) |
| 373 | _CallDirectConnected(); |
| 374 | } |
| 375 | |
| 376 | |
| 377 | void |
| 378 | BGLView::EnableDirectMode(bool enabled) |
| 379 | { |
| 380 | if (fRenderer) |
| 381 | fRenderer->EnableDirectMode(enabled); |
| 382 | if (fClipInfo == NULL) { |
| 383 | fClipInfo = new (std::nothrow) glview_direct_info(); |
| 384 | if (fClipInfo == NULL) |
| 385 | return; |
| 386 | } |
| 387 | |
| 388 | fClipInfo->enable_direct_mode = enabled; |
| 389 | } |
| 390 | |
| 391 | |
| 392 | void |
| 393 | BGLView::_LockDraw() |
| 394 | { |
| 395 | if (!fClipInfo || !fClipInfo->enable_direct_mode) |
| 396 | return; |
| 397 | |
| 398 | fDrawLock.Lock(); |
| 399 | } |
| 400 | |
| 401 | |
| 402 | void |
| 403 | BGLView::_UnlockDraw() |
| 404 | { |
| 405 | if (!fClipInfo || !fClipInfo->enable_direct_mode) |
| 406 | return; |
| 407 | |
| 408 | fDrawLock.Unlock(); |
| 409 | } |
| 410 | |
| 411 | |
| 412 | void |
| 413 | BGLView::_CallDirectConnected() |
| 414 | { |
| 415 | if (!fClipInfo) |
| 416 | return; |
| 417 | |
| 418 | direct_buffer_info* localInfo = fClipInfo->direct_info; |
| 419 | direct_buffer_info* info = (direct_buffer_info*)malloc( |
| 420 | DIRECT_BUFFER_INFO_AREA_SIZE); |
| 421 | if (info == NULL) |
| 422 | return; |
| 423 | |
| 424 | memcpy(info, localInfo, DIRECT_BUFFER_INFO_AREA_SIZE); |
| 425 | |
| 426 | // Collect the rects into a BRegion, then clip to the view's bounds |
| 427 | BRegion region; |
| 428 | for (uint32 c = 0; c < localInfo->clip_list_count; c++) |
| 429 | region.Include(localInfo->clip_list[c]); |
| 430 | BRegion boundsRegion = fBounds.OffsetByCopy(localInfo->window_bounds.left, |
| 431 | localInfo->window_bounds.top); |
| 432 | info->window_bounds = boundsRegion.RectAtInt(0); |
| 433 | // window_bounds are now view bounds |
| 434 | region.IntersectWith(&boundsRegion); |
| 435 | |
| 436 | info->clip_list_count = region.CountRects(); |
| 437 | info->clip_bounds = region.FrameInt(); |
| 438 | |
| 439 | for (uint32 c = 0; c < info->clip_list_count; c++) |
| 440 | info->clip_list[c] = region.RectAtInt(c); |
| 441 | fRenderer->DirectConnected(info); |
| 442 | free(info); |
| 443 | } |
| 444 | |
| 445 | |
| 446 | //---- virtual reserved methods ---------- |
| 447 | |
| 448 | |
| 449 | void BGLView::_ReservedGLView1() {} |
| 450 | void BGLView::_ReservedGLView2() {} |
| 451 | void BGLView::_ReservedGLView3() {} |
| 452 | void BGLView::_ReservedGLView4() {} |
| 453 | void BGLView::_ReservedGLView5() {} |
| 454 | void BGLView::_ReservedGLView6() {} |
| 455 | void BGLView::_ReservedGLView7() {} |
| 456 | void BGLView::_ReservedGLView8() {} |
| 457 | |
| 458 | |
| 459 | // #pragma mark - |
| 460 | |
| 461 | |
| 462 | // BeOS compatibility: contrary to others BView's contructors, |
| 463 | // BGLView one wants a non-const name argument. |
| 464 | BGLView::BGLView(BRect rect, char* name, ulong resizingMode, ulong mode, |
| 465 | ulong options) |
| 466 | : |
| 467 | BView(rect, name, B_FOLLOW_ALL_SIDES, mode | B_WILL_DRAW | B_FRAME_EVENTS), |
| 468 | fGc(NULL), |
| 469 | fOptions(options), |
| 470 | fDitherCount(0), |
| 471 | fDrawLock("BGLView draw lock"), |
| 472 | fDisplayLock("BGLView display lock"), |
| 473 | fClipInfo(NULL), |
| 474 | fRenderer(NULL), |
| 475 | fRoster(NULL), |
| 476 | fDitherMap(NULL) |
| 477 | { |
| 478 | fRoster = new GLRendererRoster(this, options); |
| 479 | } |
| 480 | |
| 481 | |
| 482 | #if 0 |
| 483 | // TODO: implement BGLScreen class... |
| 484 | |
| 485 | |
| 486 | BGLScreen::BGLScreen(char* name, ulong screenMode, ulong options, |
| 487 | status_t* error, bool debug) |
| 488 | : |
| 489 | BWindowScreen(name, screenMode, error, debug) |
| 490 | { |
| 491 | } |
| 492 | |
| 493 | |
| 494 | BGLScreen::~BGLScreen() |
| 495 | { |
| 496 | } |
| 497 | |
| 498 | |
| 499 | void |
| 500 | BGLScreen::LockGL() |
| 501 | { |
| 502 | } |
| 503 | |
| 504 | |
| 505 | void |
| 506 | BGLScreen::UnlockGL() |
| 507 | { |
| 508 | } |
| 509 | |
| 510 | |
| 511 | void |
| 512 | BGLScreen::SwapBuffers() |
| 513 | { |
| 514 | } |
| 515 | |
| 516 | |
| 517 | void |
| 518 | BGLScreen::ErrorCallback(unsigned long errorCode) |
| 519 | { |
| 520 | // Mesa's GLenum is not ulong but uint! |
| 521 | char msg[32]; |
| 522 | sprintf(msg, "GL: Error code $%04lx.", errorCode); |
| 523 | // debugger(msg); |
| 524 | fprintf(stderr, "%s\n", msg); |
| 525 | return; |
| 526 | } |
| 527 | |
| 528 | |
| 529 | void |
| 530 | BGLScreen::ScreenConnected(bool enabled) |
| 531 | { |
| 532 | } |
| 533 | |
| 534 | |
| 535 | void |
| 536 | BGLScreen::FrameResized(float width, float height) |
| 537 | { |
| 538 | return BWindowScreen::FrameResized(width, height); |
| 539 | } |
| 540 | |
| 541 | |
| 542 | status_t |
| 543 | BGLScreen::Perform(perform_code d, void* arg) |
| 544 | { |
| 545 | return BWindowScreen::Perform(d, arg); |
| 546 | } |
| 547 | |
| 548 | |
| 549 | status_t |
| 550 | BGLScreen::Archive(BMessage* data, bool deep) const |
| 551 | { |
| 552 | return BWindowScreen::Archive(data, deep); |
| 553 | } |
| 554 | |
| 555 | |
| 556 | void |
| 557 | BGLScreen::MessageReceived(BMessage* msg) |
| 558 | { |
| 559 | BWindowScreen::MessageReceived(msg); |
| 560 | } |
| 561 | |
| 562 | |
| 563 | void |
| 564 | BGLScreen::Show() |
| 565 | { |
| 566 | BWindowScreen::Show(); |
| 567 | } |
| 568 | |
| 569 | |
| 570 | void |
| 571 | BGLScreen::Hide() |
| 572 | { |
| 573 | BWindowScreen::Hide(); |
| 574 | } |
| 575 | |
| 576 | |
| 577 | BHandler* |
| 578 | BGLScreen::ResolveSpecifier(BMessage* msg, int32 index, BMessage* specifier, |
| 579 | int32 form, const char* property) |
| 580 | { |
| 581 | return BWindowScreen::ResolveSpecifier(msg, index, specifier, |
| 582 | form, property); |
| 583 | } |
| 584 | |
| 585 | |
| 586 | status_t |
| 587 | BGLScreen::GetSupportedSuites(BMessage* data) |
| 588 | { |
| 589 | return BWindowScreen::GetSupportedSuites(data); |
| 590 | } |
| 591 | |
| 592 | |
| 593 | //---- virtual reserved methods ---------- |
| 594 | |
| 595 | void BGLScreen::_ReservedGLScreen1() {} |
| 596 | void BGLScreen::_ReservedGLScreen2() {} |
| 597 | void BGLScreen::_ReservedGLScreen3() {} |
| 598 | void BGLScreen::_ReservedGLScreen4() {} |
| 599 | void BGLScreen::_ReservedGLScreen5() {} |
| 600 | void BGLScreen::_ReservedGLScreen6() {} |
| 601 | void BGLScreen::_ReservedGLScreen7() {} |
| 602 | void BGLScreen::_ReservedGLScreen8() {} |
| 603 | #endif |
| 604 | |
| 605 | |
| 606 | const char* color_space_name(color_space space) |
| 607 | { |
| 608 | #define C2N(a) case a: return #a |
| 609 | |
| 610 | switch (space) { |
| 611 | C2N(B_RGB24); |
| 612 | C2N(B_RGB32); |
| 613 | C2N(B_RGBA32); |
| 614 | C2N(B_RGB32_BIG); |
| 615 | C2N(B_RGBA32_BIG); |
| 616 | C2N(B_GRAY8); |
| 617 | C2N(B_GRAY1); |
| 618 | C2N(B_RGB16); |
| 619 | C2N(B_RGB15); |
| 620 | C2N(B_RGBA15); |
| 621 | C2N(B_CMAP8); |
| 622 | default: |
| 623 | return "Unknown!"; |
| 624 | }; |
| 625 | |
| 626 | #undef C2N |
| 627 | }; |
| 628 | |
| 629 | |
| 630 | glview_direct_info::glview_direct_info() |
| 631 | { |
| 632 | // TODO: See direct_window_data() in app_server's ServerWindow.cpp |
| 633 | direct_info = (direct_buffer_info*)calloc(1, DIRECT_BUFFER_INFO_AREA_SIZE); |
| 634 | direct_connected = false; |
| 635 | enable_direct_mode = false; |
| 636 | } |
| 637 | |
| 638 | |
| 639 | glview_direct_info::~glview_direct_info() |
| 640 | { |
| 641 | free(direct_info); |
| 642 | } |
| 643 | |