src/platform/qt/CoreController.cpp (view raw)
1/* Copyright (c) 2013-2017 Jeffrey Pfau
2 *
3 * This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6#include "CoreController.h"
7
8#include "ConfigController.h"
9#include "InputController.h"
10#include "LogController.h"
11#include "MultiplayerController.h"
12#include "Override.h"
13
14#include <QDateTime>
15#include <QMutexLocker>
16
17#include <mgba/core/serialize.h>
18#include <mgba/feature/video-logger.h>
19#ifdef M_CORE_GBA
20#include <mgba/internal/gba/gba.h>
21#include <mgba/internal/gba/renderers/cache-set.h>
22#include <mgba/internal/gba/sharkport.h>
23#endif
24#ifdef M_CORE_GB
25#include <mgba/internal/gb/gb.h>
26#include <mgba/internal/gb/renderers/cache-set.h>
27#endif
28#include <mgba-util/math.h>
29#include <mgba-util/vfs.h>
30
31#define AUTOSAVE_GRANULARITY 600
32
33using namespace QGBA;
34
35CoreController::CoreController(mCore* core, QObject* parent)
36 : QObject(parent)
37 , m_saveStateFlags(SAVESTATE_SCREENSHOT | SAVESTATE_SAVEDATA | SAVESTATE_CHEATS | SAVESTATE_RTC)
38 , m_loadStateFlags(SAVESTATE_SCREENSHOT | SAVESTATE_RTC)
39{
40 m_threadContext.core = core;
41 m_threadContext.userData = this;
42
43 QSize size(256, 512);
44 m_buffers[0].resize(size.width() * size.height() * sizeof(color_t));
45 m_buffers[1].resize(size.width() * size.height() * sizeof(color_t));
46 m_buffers[0].fill(0xFF);
47 m_buffers[1].fill(0xFF);
48 m_activeBuffer = &m_buffers[0];
49
50 m_threadContext.core->setVideoBuffer(m_threadContext.core, reinterpret_cast<color_t*>(m_activeBuffer->data()), size.width());
51
52 m_resetActions.append([this]() {
53 if (m_autoload) {
54 mCoreLoadState(m_threadContext.core, 0, m_loadStateFlags);
55 }
56 });
57
58 m_threadContext.startCallback = [](mCoreThread* context) {
59 CoreController* controller = static_cast<CoreController*>(context->userData);
60
61 switch (context->core->platform(context->core)) {
62#ifdef M_CORE_GBA
63 case PLATFORM_GBA:
64 context->core->setPeripheral(context->core, mPERIPH_GBA_LUMINANCE, controller->m_inputController->luminance());
65 break;
66#endif
67 default:
68 break;
69 }
70
71 controller->updateFastForward();
72
73 if (controller->m_multiplayer) {
74 controller->m_multiplayer->attachGame(controller);
75 }
76
77 QMetaObject::invokeMethod(controller, "started");
78 };
79
80 m_threadContext.resetCallback = [](mCoreThread* context) {
81 CoreController* controller = static_cast<CoreController*>(context->userData);
82 for (auto action : controller->m_resetActions) {
83 action();
84 }
85
86 if (controller->m_override) {
87 controller->m_override->identify(context->core);
88 controller->m_override->apply(context->core);
89 }
90
91 controller->m_resetActions.clear();
92
93 QSize size = controller->screenDimensions();
94 controller->m_buffers[0].resize(size.width() * size.height() * sizeof(color_t));
95 controller->m_buffers[1].resize(size.width() * size.height() * sizeof(color_t));
96 controller->m_buffers[0].fill(0xFF);
97 controller->m_buffers[1].fill(0xFF);
98 controller->m_activeBuffer = &controller->m_buffers[0];
99
100 context->core->setVideoBuffer(context->core, reinterpret_cast<color_t*>(controller->m_activeBuffer->data()), size.width());
101
102 controller->finishFrame();
103 };
104
105 m_threadContext.frameCallback = [](mCoreThread* context) {
106 CoreController* controller = static_cast<CoreController*>(context->userData);
107
108 if (controller->m_autosaveCounter == AUTOSAVE_GRANULARITY) {
109 if (controller->m_autosave) {
110 mCoreSaveState(context->core, 0, controller->m_saveStateFlags);
111 }
112 controller->m_autosaveCounter = 0;
113 }
114 ++controller->m_autosaveCounter;
115
116 controller->finishFrame();
117 };
118
119 m_threadContext.cleanCallback = [](mCoreThread* context) {
120 CoreController* controller = static_cast<CoreController*>(context->userData);
121
122 if (controller->m_autosave) {
123 mCoreSaveState(context->core, 0, controller->m_saveStateFlags);
124 }
125
126 controller->clearMultiplayerController();
127 QMetaObject::invokeMethod(controller, "stopping");
128 };
129
130 m_threadContext.pauseCallback = [](mCoreThread* context) {
131 CoreController* controller = static_cast<CoreController*>(context->userData);
132
133 QMetaObject::invokeMethod(controller, "paused");
134 };
135
136 m_threadContext.unpauseCallback = [](mCoreThread* context) {
137 CoreController* controller = static_cast<CoreController*>(context->userData);
138
139 QMetaObject::invokeMethod(controller, "unpaused");
140 };
141
142 m_threadContext.logger.d.log = [](mLogger* logger, int category, enum mLogLevel level, const char* format, va_list args) {
143 mThreadLogger* logContext = reinterpret_cast<mThreadLogger*>(logger);
144 mCoreThread* context = logContext->p;
145
146 static const char* savestateMessage = "State %i saved";
147 static const char* loadstateMessage = "State %i loaded";
148 static const char* savestateFailedMessage = "State %i failed to load";
149 static int biosCat = -1;
150 static int statusCat = -1;
151 if (!context) {
152 return;
153 }
154 CoreController* controller = static_cast<CoreController*>(context->userData);
155 QString message;
156 if (biosCat < 0) {
157 biosCat = mLogCategoryById("gba.bios");
158 }
159 if (statusCat < 0) {
160 statusCat = mLogCategoryById("core.status");
161 }
162#ifdef M_CORE_GBA
163 if (level == mLOG_STUB && category == biosCat) {
164 va_list argc;
165 va_copy(argc, args);
166 int immediate = va_arg(argc, int);
167 va_end(argc);
168 QMetaObject::invokeMethod(controller, "unimplementedBiosCall", Q_ARG(int, immediate));
169 } else
170#endif
171 if (category == statusCat) {
172 // Slot 0 is reserved for suspend points
173 if (strncmp(loadstateMessage, format, strlen(loadstateMessage)) == 0) {
174 va_list argc;
175 va_copy(argc, args);
176 int slot = va_arg(argc, int);
177 va_end(argc);
178 if (slot == 0) {
179 format = "Loaded suspend state";
180 }
181 } else if (strncmp(savestateFailedMessage, format, strlen(savestateFailedMessage)) == 0 || strncmp(savestateMessage, format, strlen(savestateMessage)) == 0) {
182 va_list argc;
183 va_copy(argc, args);
184 int slot = va_arg(argc, int);
185 va_end(argc);
186 if (slot == 0) {
187 return;
188 }
189 }
190 message = QString().vsprintf(format, args);
191 QMetaObject::invokeMethod(controller, "statusPosted", Q_ARG(const QString&, message));
192 }
193 if (level == mLOG_FATAL) {
194 mCoreThreadMarkCrashed(controller->thread());
195 QMetaObject::invokeMethod(controller, "crashed", Q_ARG(const QString&, QString().vsprintf(format, args)));
196 }
197 message = QString().vsprintf(format, args);
198 QMetaObject::invokeMethod(controller, "logPosted", Q_ARG(int, level), Q_ARG(int, category), Q_ARG(const QString&, message));
199 };
200}
201
202CoreController::~CoreController() {
203 endVideoLog();
204 stop();
205 disconnect();
206
207 mCoreThreadJoin(&m_threadContext);
208
209 if (m_cacheSet) {
210 mCacheSetDeinit(m_cacheSet.get());
211 m_cacheSet.reset();
212 }
213
214 mCoreConfigDeinit(&m_threadContext.core->config);
215 m_threadContext.core->deinit(m_threadContext.core);
216}
217
218color_t* CoreController::drawContext() {
219 QMutexLocker locker(&m_mutex);
220 if (!m_completeBuffer) {
221 return nullptr;
222 }
223 return reinterpret_cast<color_t*>(m_completeBuffer->data());
224}
225
226bool CoreController::isPaused() {
227 return mCoreThreadIsPaused(&m_threadContext);
228}
229
230bool CoreController::hasStarted() {
231 return mCoreThreadHasStarted(&m_threadContext);
232}
233
234mPlatform CoreController::platform() const {
235 return m_threadContext.core->platform(m_threadContext.core);
236}
237
238QSize CoreController::screenDimensions() const {
239 unsigned width, height;
240 m_threadContext.core->desiredVideoDimensions(m_threadContext.core, &width, &height);
241
242 return QSize(width, height);
243}
244
245QPair<unsigned, unsigned> CoreController::frameRate() const {
246 return qMakePair(m_threadContext.core->frameCycles(m_threadContext.core), m_threadContext.core->frequency(m_threadContext.core));
247}
248
249void CoreController::loadConfig(ConfigController* config) {
250 Interrupter interrupter(this);
251 m_loadStateFlags = config->getOption("loadStateExtdata", m_loadStateFlags).toInt();
252 m_saveStateFlags = config->getOption("saveStateExtdata", m_saveStateFlags).toInt();
253 m_fastForwardRatio = config->getOption("fastForwardRatio", m_fastForwardRatio).toFloat();
254 m_videoSync = config->getOption("videoSync", m_videoSync).toInt();
255 m_audioSync = config->getOption("audioSync", m_audioSync).toInt();
256 m_fpsTarget = config->getOption("fpsTarget").toFloat();
257 m_autosave = config->getOption("autosave", false).toInt();
258 m_autoload = config->getOption("autoload", true).toInt();
259 m_autofireThreshold = config->getOption("autofireThreshold", m_autofireThreshold).toInt();
260 mCoreLoadForeignConfig(m_threadContext.core, config->config());
261 if (hasStarted()) {
262 updateFastForward();
263 mCoreThreadRewindParamsChanged(&m_threadContext);
264 }
265}
266
267#ifdef USE_DEBUGGERS
268void CoreController::setDebugger(mDebugger* debugger) {
269 Interrupter interrupter(this);
270 if (debugger) {
271 mDebuggerAttach(debugger, m_threadContext.core);
272 } else {
273 m_threadContext.core->detachDebugger(m_threadContext.core);
274 }
275}
276#endif
277
278void CoreController::setMultiplayerController(MultiplayerController* controller) {
279 if (controller == m_multiplayer) {
280 return;
281 }
282 clearMultiplayerController();
283 m_multiplayer = controller;
284 if (!mCoreThreadHasStarted(&m_threadContext)) {
285 return;
286 }
287 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* thread) {
288 CoreController* controller = static_cast<CoreController*>(thread->userData);
289 controller->m_multiplayer->attachGame(controller);
290 });
291}
292
293void CoreController::clearMultiplayerController() {
294 if (!m_multiplayer) {
295 return;
296 }
297 m_multiplayer->detachGame(this);
298 m_multiplayer = nullptr;
299}
300
301mCacheSet* CoreController::graphicCaches() {
302 if (m_cacheSet) {
303 return m_cacheSet.get();
304 }
305 Interrupter interrupter(this);
306 switch (platform()) {
307#ifdef M_CORE_GBA
308 case PLATFORM_GBA: {
309 GBA* gba = static_cast<GBA*>(m_threadContext.core->board);
310 m_cacheSet = std::make_unique<mCacheSet>();
311 GBAVideoCacheInit(m_cacheSet.get());
312 GBAVideoCacheAssociate(m_cacheSet.get(), &gba->video);
313 break;
314 }
315#endif
316#ifdef M_CORE_GB
317 case PLATFORM_GB: {
318 GB* gb = static_cast<GB*>(m_threadContext.core->board);
319 m_cacheSet = std::make_unique<mCacheSet>();
320 GBVideoCacheInit(m_cacheSet.get());
321 GBVideoCacheAssociate(m_cacheSet.get(), &gb->video);
322 break;
323 }
324#endif
325 default:
326 return nullptr;
327 }
328 return m_cacheSet.get();
329}
330
331void CoreController::setOverride(std::unique_ptr<Override> override) {
332 Interrupter interrupter(this);
333 m_override = std::move(override);
334 m_override->identify(m_threadContext.core);
335}
336
337void CoreController::setInputController(InputController* inputController) {
338 m_inputController = inputController;
339 m_inputController->setPlatform(platform());
340 m_threadContext.core->setPeripheral(m_threadContext.core, mPERIPH_ROTATION, m_inputController->rotationSource());
341 m_threadContext.core->setPeripheral(m_threadContext.core, mPERIPH_RUMBLE, m_inputController->rumble());
342 m_threadContext.core->setPeripheral(m_threadContext.core, mPERIPH_IMAGE_SOURCE, m_inputController->imageSource());
343}
344
345void CoreController::setLogger(LogController* logger) {
346 disconnect(m_log);
347 m_log = logger;
348 m_threadContext.logger.d.filter = logger->filter();
349 connect(this, &CoreController::logPosted, m_log, &LogController::postLog);
350}
351
352void CoreController::start() {
353 if (!m_patched) {
354 mCoreAutoloadPatch(m_threadContext.core);
355 }
356 if (!mCoreThreadStart(&m_threadContext)) {
357 emit failed();
358 emit stopping();
359 }
360}
361
362void CoreController::stop() {
363 setSync(false);
364#ifdef USE_DEBUGGERS
365 setDebugger(nullptr);
366#endif
367 setPaused(false);
368 mCoreThreadEnd(&m_threadContext);
369 emit stopping();
370}
371
372void CoreController::reset() {
373 bool wasPaused = isPaused();
374 setPaused(false);
375 Interrupter interrupter(this);
376 mCoreThreadReset(&m_threadContext);
377 if (wasPaused) {
378 setPaused(true);
379 }
380}
381
382void CoreController::setPaused(bool paused) {
383 if (paused == isPaused()) {
384 return;
385 }
386 if (paused) {
387 QMutexLocker locker(&m_mutex);
388 m_frameActions.append([this]() {
389 mCoreThreadPauseFromThread(&m_threadContext);
390 });
391 } else {
392 mCoreThreadUnpause(&m_threadContext);
393 }
394}
395
396void CoreController::frameAdvance() {
397 QMutexLocker locker(&m_mutex);
398 m_frameActions.append([this]() {
399 mCoreThreadPauseFromThread(&m_threadContext);
400 });
401 setPaused(false);
402}
403
404void CoreController::setSync(bool sync) {
405 if (sync) {
406 m_threadContext.impl->sync.audioWait = m_audioSync;
407 m_threadContext.impl->sync.videoFrameWait = m_videoSync;
408 } else {
409 m_threadContext.impl->sync.audioWait = false;
410 m_threadContext.impl->sync.videoFrameWait = false;
411 }
412}
413
414void CoreController::setRewinding(bool rewind) {
415 if (!m_threadContext.core->opts.rewindEnable) {
416 return;
417 }
418 if (rewind && m_multiplayer && m_multiplayer->attached() > 1) {
419 return;
420 }
421
422 if (rewind && isPaused()) {
423 setPaused(false);
424 // TODO: restore autopausing
425 }
426 mCoreThreadSetRewinding(&m_threadContext, rewind);
427}
428
429void CoreController::rewind(int states) {
430 {
431 Interrupter interrupter(this);
432 if (!states) {
433 states = INT_MAX;
434 }
435 for (int i = 0; i < states; ++i) {
436 if (!mCoreRewindRestore(&m_threadContext.impl->rewind, m_threadContext.core)) {
437 break;
438 }
439 }
440 }
441 emit frameAvailable();
442 emit rewound();
443}
444
445void CoreController::setFastForward(bool enable) {
446 m_fastForward = enable;
447 updateFastForward();
448}
449
450void CoreController::forceFastForward(bool enable) {
451 m_fastForwardForced = enable;
452 updateFastForward();
453}
454
455void CoreController::loadState(int slot) {
456 if (slot > 0 && slot != m_stateSlot) {
457 m_stateSlot = slot;
458 m_backupSaveState.clear();
459 }
460 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
461 CoreController* controller = static_cast<CoreController*>(context->userData);
462 if (!controller->m_backupLoadState.isOpen()) {
463 controller->m_backupLoadState = VFileMemChunk(nullptr, 0);
464 }
465 mCoreSaveStateNamed(context->core, controller->m_backupLoadState, controller->m_saveStateFlags);
466 if (mCoreLoadState(context->core, controller->m_stateSlot, controller->m_loadStateFlags)) {
467 emit controller->frameAvailable();
468 emit controller->stateLoaded();
469 }
470 });
471}
472
473void CoreController::loadState(const QString& path) {
474 m_statePath = path;
475 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
476 CoreController* controller = static_cast<CoreController*>(context->userData);
477 VFile* vf = VFileDevice::open(controller->m_statePath, O_RDONLY);
478 if (!vf) {
479 return;
480 }
481 if (!controller->m_backupLoadState.isOpen()) {
482 controller->m_backupLoadState = VFileMemChunk(nullptr, 0);
483 }
484 mCoreSaveStateNamed(context->core, controller->m_backupLoadState, controller->m_saveStateFlags);
485 if (mCoreLoadStateNamed(context->core, vf, controller->m_loadStateFlags)) {
486 emit controller->frameAvailable();
487 emit controller->stateLoaded();
488 }
489 vf->close(vf);
490 });
491}
492
493void CoreController::saveState(int slot) {
494 if (slot > 0) {
495 m_stateSlot = slot;
496 }
497 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
498 CoreController* controller = static_cast<CoreController*>(context->userData);
499 VFile* vf = mCoreGetState(context->core, controller->m_stateSlot, false);
500 if (vf) {
501 controller->m_backupSaveState.resize(vf->size(vf));
502 vf->read(vf, controller->m_backupSaveState.data(), controller->m_backupSaveState.size());
503 vf->close(vf);
504 }
505 mCoreSaveState(context->core, controller->m_stateSlot, controller->m_saveStateFlags);
506 });
507}
508
509void CoreController::saveState(const QString& path) {
510 m_statePath = path;
511 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
512 CoreController* controller = static_cast<CoreController*>(context->userData);
513 VFile* vf = VFileDevice::open(controller->m_statePath, O_RDONLY);
514 if (vf) {
515 controller->m_backupSaveState.resize(vf->size(vf));
516 vf->read(vf, controller->m_backupSaveState.data(), controller->m_backupSaveState.size());
517 vf->close(vf);
518 }
519 vf = VFileDevice::open(controller->m_statePath, O_WRONLY | O_CREAT | O_TRUNC);
520 if (!vf) {
521 return;
522 }
523 mCoreSaveStateNamed(context->core, vf, controller->m_saveStateFlags);
524 vf->close(vf);
525 });
526}
527
528void CoreController::loadBackupState() {
529 if (!m_backupLoadState.isOpen()) {
530 return;
531 }
532
533 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
534 CoreController* controller = static_cast<CoreController*>(context->userData);
535 controller->m_backupLoadState.seek(0);
536 if (mCoreLoadStateNamed(context->core, controller->m_backupLoadState, controller->m_loadStateFlags)) {
537 mLOG(STATUS, INFO, "Undid state load");
538 controller->frameAvailable();
539 controller->stateLoaded();
540 }
541 controller->m_backupLoadState.close();
542 });
543}
544
545void CoreController::saveBackupState() {
546 if (m_backupSaveState.isEmpty()) {
547 return;
548 }
549
550 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
551 CoreController* controller = static_cast<CoreController*>(context->userData);
552 VFile* vf = mCoreGetState(context->core, controller->m_stateSlot, true);
553 if (vf) {
554 vf->write(vf, controller->m_backupSaveState.constData(), controller->m_backupSaveState.size());
555 vf->close(vf);
556 mLOG(STATUS, INFO, "Undid state save");
557 }
558 controller->m_backupSaveState.clear();
559 });
560}
561
562void CoreController::loadSave(const QString& path, bool temporary) {
563 m_resetActions.append([this, path, temporary]() {
564 VFile* vf = VFileDevice::open(path, temporary ? O_RDONLY : O_RDWR);
565 if (!vf) {
566 LOG(QT, ERROR) << tr("Failed to open save file: %1").arg(path);
567 return;
568 }
569
570 if (temporary) {
571 m_threadContext.core->loadTemporarySave(m_threadContext.core, vf);
572 } else {
573 m_threadContext.core->loadSave(m_threadContext.core, vf);
574 }
575 });
576 reset();
577}
578
579void CoreController::loadPatch(const QString& patchPath) {
580 Interrupter interrupter(this);
581 VFile* patch = VFileDevice::open(patchPath, O_RDONLY);
582 if (patch) {
583 m_threadContext.core->loadPatch(m_threadContext.core, patch);
584 m_patched = true;
585 }
586 patch->close(patch);
587 if (mCoreThreadHasStarted(&m_threadContext)) {
588 reset();
589 }
590}
591
592void CoreController::replaceGame(const QString& path) {
593 QFileInfo info(path);
594 if (!info.isReadable()) {
595 LOG(QT, ERROR) << tr("Failed to open game file: %1").arg(path);
596 return;
597 }
598 QString fname = info.canonicalFilePath();
599 Interrupter interrupter(this);
600 mDirectorySetDetachBase(&m_threadContext.core->dirs);
601 mCoreLoadFile(m_threadContext.core, fname.toUtf8().constData());
602}
603
604void CoreController::yankPak() {
605#ifdef M_CORE_GBA
606 if (platform() != PLATFORM_GBA) {
607 return;
608 }
609 Interrupter interrupter(this);
610 GBAYankROM(static_cast<GBA*>(m_threadContext.core->board));
611#endif
612}
613
614#ifdef USE_PNG
615void CoreController::screenshot() {
616 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
617 mCoreTakeScreenshot(context->core);
618 });
619}
620#endif
621
622void CoreController::setRealTime() {
623 m_threadContext.core->rtc.override = RTC_NO_OVERRIDE;
624}
625
626void CoreController::setFixedTime(const QDateTime& time) {
627 m_threadContext.core->rtc.override = RTC_FIXED;
628 m_threadContext.core->rtc.value = time.toMSecsSinceEpoch();
629}
630
631void CoreController::setFakeEpoch(const QDateTime& time) {
632 m_threadContext.core->rtc.override = RTC_FAKE_EPOCH;
633 m_threadContext.core->rtc.value = time.toMSecsSinceEpoch();
634}
635
636void CoreController::importSharkport(const QString& path) {
637#ifdef M_CORE_GBA
638 if (platform() != PLATFORM_GBA) {
639 return;
640 }
641 VFile* vf = VFileDevice::open(path, O_RDONLY);
642 if (!vf) {
643 LOG(QT, ERROR) << tr("Failed to open snapshot file for reading: %1").arg(path);
644 return;
645 }
646 Interrupter interrupter(this);
647 GBASavedataImportSharkPort(static_cast<GBA*>(m_threadContext.core->board), vf, false);
648 vf->close(vf);
649#endif
650}
651
652void CoreController::exportSharkport(const QString& path) {
653#ifdef M_CORE_GBA
654 if (platform() != PLATFORM_GBA) {
655 return;
656 }
657 VFile* vf = VFileDevice::open(path, O_WRONLY | O_CREAT | O_TRUNC);
658 if (!vf) {
659 LOG(QT, ERROR) << tr("Failed to open snapshot file for writing: %1").arg(path);
660 return;
661 }
662 Interrupter interrupter(this);
663 GBASavedataExportSharkPort(static_cast<GBA*>(m_threadContext.core->board), vf);
664 vf->close(vf);
665#endif
666}
667
668void CoreController::attachPrinter() {
669#ifdef M_CORE_GB
670 if (platform() != PLATFORM_GB) {
671 return;
672 }
673 GB* gb = static_cast<GB*>(m_threadContext.core->board);
674 clearMultiplayerController();
675 GBPrinterCreate(&m_printer.d);
676 m_printer.parent = this;
677 m_printer.d.print = [](GBPrinter* printer, int height, const uint8_t* data) {
678 QGBPrinter* qPrinter = reinterpret_cast<QGBPrinter*>(printer);
679 QImage image(GB_VIDEO_HORIZONTAL_PIXELS, height, QImage::Format_Indexed8);
680 QVector<QRgb> colors;
681 colors.append(qRgb(0xF8, 0xF8, 0xF8));
682 colors.append(qRgb(0xA8, 0xA8, 0xA8));
683 colors.append(qRgb(0x50, 0x50, 0x50));
684 colors.append(qRgb(0x00, 0x00, 0x00));
685 image.setColorTable(colors);
686 for (int y = 0; y < height; ++y) {
687 for (int x = 0; x < GB_VIDEO_HORIZONTAL_PIXELS; x += 4) {
688 uint8_t byte = data[(x + y * GB_VIDEO_HORIZONTAL_PIXELS) / 4];
689 image.setPixel(x + 0, y, (byte & 0xC0) >> 6);
690 image.setPixel(x + 1, y, (byte & 0x30) >> 4);
691 image.setPixel(x + 2, y, (byte & 0x0C) >> 2);
692 image.setPixel(x + 3, y, (byte & 0x03) >> 0);
693 }
694 }
695 QMetaObject::invokeMethod(qPrinter->parent, "imagePrinted", Q_ARG(const QImage&, image));
696 };
697 Interrupter interrupter(this);
698 GBSIOSetDriver(&gb->sio, &m_printer.d.d);
699#endif
700}
701
702void CoreController::detachPrinter() {
703#ifdef M_CORE_GB
704 if (platform() != PLATFORM_GB) {
705 return;
706 }
707 Interrupter interrupter(this);
708 GB* gb = static_cast<GB*>(m_threadContext.core->board);
709 GBPrinterDonePrinting(&m_printer.d);
710 GBSIOSetDriver(&gb->sio, nullptr);
711#endif
712}
713
714void CoreController::endPrint() {
715#ifdef M_CORE_GB
716 if (platform() != PLATFORM_GB) {
717 return;
718 }
719 Interrupter interrupter(this);
720 GBPrinterDonePrinting(&m_printer.d);
721#endif
722}
723
724void CoreController::setAVStream(mAVStream* stream) {
725 Interrupter interrupter(this);
726 m_threadContext.core->setAVStream(m_threadContext.core, stream);
727}
728
729void CoreController::clearAVStream() {
730 Interrupter interrupter(this);
731 m_threadContext.core->setAVStream(m_threadContext.core, nullptr);
732}
733
734void CoreController::clearOverride() {
735 m_override.reset();
736}
737
738void CoreController::startVideoLog(const QString& path) {
739 if (m_vl) {
740 return;
741 }
742
743 Interrupter interrupter(this);
744 m_vl = mVideoLogContextCreate(m_threadContext.core);
745 m_vlVf = VFileDevice::open(path, O_WRONLY | O_CREAT | O_TRUNC);
746 mVideoLogContextSetOutput(m_vl, m_vlVf);
747 mVideoLogContextWriteHeader(m_vl, m_threadContext.core);
748}
749
750void CoreController::endVideoLog() {
751 if (!m_vl) {
752 return;
753 }
754
755 Interrupter interrupter(this);
756 mVideoLogContextDestroy(m_threadContext.core, m_vl);
757 if (m_vlVf) {
758 m_vlVf->close(m_vlVf);
759 m_vlVf = nullptr;
760 }
761 m_vl = nullptr;
762}
763
764void CoreController::updateKeys() {
765 int activeKeys = m_inputController->updateAutofire() | m_inputController->pollEvents();
766 m_threadContext.core->setKeys(m_threadContext.core, activeKeys);
767}
768
769void CoreController::finishFrame() {
770 QMutexLocker locker(&m_mutex);
771 m_completeBuffer = m_activeBuffer;
772
773 // TODO: Generalize this to triple buffering?
774 m_activeBuffer = &m_buffers[0];
775 if (m_activeBuffer == m_completeBuffer) {
776 m_activeBuffer = &m_buffers[1];
777 }
778 // Copy contents to avoid issues when doing frameskip
779 *m_activeBuffer = *m_completeBuffer;
780 m_threadContext.core->setVideoBuffer(m_threadContext.core, reinterpret_cast<color_t*>(m_activeBuffer->data()), screenDimensions().width());
781
782 for (auto& action : m_frameActions) {
783 action();
784 }
785 m_frameActions.clear();
786 updateKeys();
787
788 QMetaObject::invokeMethod(this, "frameAvailable");
789}
790
791void CoreController::updateFastForward() {
792 if (m_fastForward || m_fastForwardForced) {
793 if (m_fastForwardRatio > 0) {
794 m_threadContext.impl->sync.fpsTarget = m_fpsTarget * m_fastForwardRatio;
795 } else {
796 setSync(false);
797 }
798 } else {
799 m_threadContext.impl->sync.fpsTarget = m_fpsTarget;
800 setSync(true);
801 }
802}
803
804CoreController::Interrupter::Interrupter(CoreController* parent, bool fromThread)
805 : m_parent(parent)
806{
807 if (!m_parent->thread()->impl) {
808 return;
809 }
810 if (!fromThread) {
811 mCoreThreadInterrupt(m_parent->thread());
812 } else {
813 mCoreThreadInterruptFromThread(m_parent->thread());
814 }
815}
816
817CoreController::Interrupter::Interrupter(std::shared_ptr<CoreController> parent, bool fromThread)
818 : m_parent(parent.get())
819{
820 if (!m_parent->thread()->impl) {
821 return;
822 }
823 if (!fromThread) {
824 mCoreThreadInterrupt(m_parent->thread());
825 } else {
826 mCoreThreadInterruptFromThread(m_parent->thread());
827 }
828}
829
830CoreController::Interrupter::Interrupter(const Interrupter& other)
831 : m_parent(other.m_parent)
832{
833 if (!m_parent->thread()->impl) {
834 return;
835 }
836 mCoreThreadInterrupt(m_parent->thread());
837}
838
839CoreController::Interrupter::~Interrupter() {
840 if (!m_parent->thread()->impl) {
841 return;
842 }
843 mCoreThreadContinue(m_parent->thread());
844}