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 CORE_INTERFACE_H
  7#define CORE_INTERFACE_H
  8
  9#include <mgba-util/common.h>
 10
 11CXX_GUARD_START
 12
 13#include <mgba-util/vector.h>
 14
 15struct mCore;
 16struct mStateExtdataItem;
 17
 18#ifdef COLOR_16_BIT
 19typedef uint16_t color_t;
 20#define BYTES_PER_PIXEL 2
 21#else
 22typedef uint32_t color_t;
 23#define BYTES_PER_PIXEL 4
 24#endif
 25
 26#define M_R5(X) ((X) & 0x1F)
 27#define M_G5(X) (((X) >> 5) & 0x1F)
 28#define M_B5(X) (((X) >> 10) & 0x1F)
 29
 30#define M_R8(X) (((((X) << 3) & 0xF8) * 0x21) >> 5)
 31#define M_G8(X) (((((X) >> 2) & 0xF8) * 0x21) >> 5)
 32#define M_B8(X) (((((X) >> 7) & 0xF8) * 0x21) >> 5)
 33
 34struct blip_t;
 35
 36struct mCoreCallbacks {
 37	void* context;
 38	void (*videoFrameStarted)(void* context);
 39	void (*videoFrameEnded)(void* context);
 40	void (*coreCrashed)(void* context);
 41	void (*sleep)(void* context);
 42};
 43
 44DECLARE_VECTOR(mCoreCallbacksList, struct mCoreCallbacks);
 45
 46struct mAVStream {
 47	void (*videoDimensionsChanged)(struct mAVStream*, unsigned width, unsigned height);
 48	void (*postVideoFrame)(struct mAVStream*, const color_t* buffer, size_t stride);
 49	void (*postAudioFrame)(struct mAVStream*, int16_t left, int16_t right);
 50	void (*postAudioBuffer)(struct mAVStream*, struct blip_t* left, struct blip_t* right);
 51	void (*videoFrameRateChanged)(struct mAVStream*, unsigned numerator, unsigned denominator);
 52};
 53
 54struct mKeyCallback {
 55	uint16_t (*readKeys)(struct mKeyCallback*);
 56};
 57
 58enum mPeripheral {
 59	mPERIPH_ROTATION = 1,
 60	mPERIPH_RUMBLE,
 61	mPERIPH_CUSTOM = 0x1000
 62};
 63
 64struct mRotationSource {
 65	void (*sample)(struct mRotationSource*);
 66
 67	int32_t (*readTiltX)(struct mRotationSource*);
 68	int32_t (*readTiltY)(struct mRotationSource*);
 69
 70	int32_t (*readGyroZ)(struct mRotationSource*);
 71};
 72
 73struct mRTCSource {
 74	void (*sample)(struct mRTCSource*);
 75
 76	time_t (*unixTime)(struct mRTCSource*);
 77
 78	void (*serialize)(struct mRTCSource*, struct mStateExtdataItem*);
 79	bool (*deserialize)(struct mRTCSource*, const struct mStateExtdataItem*);
 80};
 81
 82enum mRTCGenericType {
 83	RTC_NO_OVERRIDE,
 84	RTC_FIXED,
 85	RTC_FAKE_EPOCH,
 86	RTC_CUSTOM_START = 0x1000
 87};
 88
 89struct mRTCGenericSource {
 90	struct mRTCSource d;
 91	struct mCore* p;
 92	enum mRTCGenericType override;
 93	int64_t value;
 94	struct mRTCSource* custom;
 95};
 96
 97struct mRTCGenericState {
 98	int32_t type;
 99	int32_t padding;
100	int64_t value;
101};
102
103void mRTCGenericSourceInit(struct mRTCGenericSource* rtc, struct mCore* core);
104
105struct mRumble {
106	void (*setRumble)(struct mRumble*, int enable);
107};
108
109struct mCoreChannelInfo {
110	size_t id;
111	const char* internalName;
112	const char* visibleName;
113	const char* visibleType;
114};
115
116CXX_GUARD_END
117
118#endif