1/* Copyright (c) 2013-2015 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#ifndef GBA_THREAD_H
  7#define GBA_THREAD_H
  8
  9#include "util/common.h"
 10
 11#include "core/directories.h"
 12#include "core/sync.h"
 13#include "core/thread.h"
 14#include "gba/gba.h"
 15#include "gba/input.h"
 16#include "gba/context/overrides.h"
 17
 18#include "util/threading.h"
 19
 20struct GBAThread;
 21struct mArguments;
 22struct GBACheatSet;
 23struct mCoreOptions;
 24
 25typedef void (*GBAThreadCallback)(struct GBAThread* threadContext);
 26typedef bool (*ThreadStopCallback)(struct GBAThread* threadContext);
 27
 28struct GBAThread {
 29	// Output
 30	enum mCoreThreadState state;
 31	struct GBA* gba;
 32	struct ARMCore* cpu;
 33
 34	// Input
 35	struct GBAVideoRenderer* renderer;
 36	struct GBASIODriverSet sioDrivers;
 37	struct Debugger* debugger;
 38#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
 39	struct mDirectorySet dirs;
 40#endif
 41	struct VFile* rom;
 42	struct VFile* save;
 43	struct VFile* bios;
 44	struct VFile* patch;
 45	struct VFile* cheatsFile;
 46	const char* fname;
 47	const char* movie;
 48	int activeKeys;
 49	struct mAVStream* stream;
 50	struct Configuration* overrides;
 51	enum GBAIdleLoopOptimization idleOptimization;
 52	bool bootBios;
 53
 54	bool hasOverride;
 55	struct GBACartridgeOverride override;
 56
 57	// Run-time options
 58	int frameskip;
 59	float fpsTarget;
 60	size_t audioBuffers;
 61	bool skipBios;
 62	int volume;
 63	bool mute;
 64
 65	// Threading state
 66	Thread thread;
 67
 68	Mutex stateMutex;
 69	Condition stateCond;
 70	enum mCoreThreadState savedState;
 71	int interruptDepth;
 72	bool frameWasOn;
 73
 74	GBALogHandler logHandler;
 75	int logLevel;
 76	GBAThreadCallback startCallback;
 77	GBAThreadCallback cleanCallback;
 78	GBAThreadCallback frameCallback;
 79	ThreadStopCallback stopCallback;
 80	void* userData;
 81	void (*run)(struct GBAThread*);
 82
 83	struct mCoreSync sync;
 84
 85	int rewindBufferSize;
 86	int rewindBufferCapacity;
 87	int rewindBufferInterval;
 88	int rewindBufferNext;
 89	struct GBASerializedState** rewindBuffer;
 90	int rewindBufferWriteOffset;
 91	uint8_t* rewindScreenBuffer;
 92
 93	struct GBACheatDevice* cheats;
 94};
 95
 96void GBAMapOptionsToContext(const struct mCoreOptions*, struct GBAThread*);
 97void GBAMapArgumentsToContext(const struct mArguments*, struct GBAThread*);
 98
 99bool GBAThreadStart(struct GBAThread* threadContext);
100bool GBAThreadHasStarted(struct GBAThread* threadContext);
101bool GBAThreadHasExited(struct GBAThread* threadContext);
102bool GBAThreadHasCrashed(struct GBAThread* threadContext);
103void GBAThreadEnd(struct GBAThread* threadContext);
104void GBAThreadReset(struct GBAThread* threadContext);
105void GBAThreadJoin(struct GBAThread* threadContext);
106
107bool GBAThreadIsActive(struct GBAThread* threadContext);
108void GBAThreadInterrupt(struct GBAThread* threadContext);
109void GBAThreadContinue(struct GBAThread* threadContext);
110
111void GBARunOnThread(struct GBAThread* threadContext, void (*run)(struct GBAThread*));
112
113void GBAThreadPause(struct GBAThread* threadContext);
114void GBAThreadUnpause(struct GBAThread* threadContext);
115bool GBAThreadIsPaused(struct GBAThread* threadContext);
116void GBAThreadTogglePause(struct GBAThread* threadContext);
117void GBAThreadPauseFromThread(struct GBAThread* threadContext);
118struct GBAThread* GBAThreadGetContext(void);
119
120void GBAThreadLoadROM(struct GBAThread* threadContext, const char* fname);
121void GBAThreadReplaceROM(struct GBAThread* threadContext, const char* fname);
122
123#ifdef USE_PNG
124void GBAThreadTakeScreenshot(struct GBAThread* threadContext);
125#endif
126
127#endif