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#ifndef SCHED_H
#define SCHED_H
#include "ultra64.h"
#include "irqmgr.h"
#include "versions.h"
#define OS_SC_NEEDS_RDP 0x0001 // Task uses the RDP
#define OS_SC_NEEDS_RSP 0x0002 // Task uses the RSP
#define OS_SC_DRAM_DLIST 0x0004 // Unimplemented
#define OS_SC_PARALLEL_TASK 0x0010 // Unimplemented
#define OS_SC_LAST_TASK 0x0020 // Unimplemented
#define OS_SC_SWAPBUFFER 0x0040 // Swap framebuffer when done
#define OS_SC_DP OS_SC_NEEDS_RDP // Task is using the RDP
#define OS_SC_SP OS_SC_NEEDS_RSP // Task is using the RSP
#define OS_SC_YIELD 0x0010 // Task has been asked to yield
#define OS_SC_YIELDED 0x0020 // Task has yielded
#define OS_SC_RCP_MASK (OS_SC_NEEDS_RDP | OS_SC_NEEDS_RSP)
#define OS_SC_TYPE_MASK (OS_SC_NEEDS_RDP | OS_SC_NEEDS_RSP | OS_SC_DRAM_DLIST)
typedef struct CfbInfo {
/* 0x00 */ u16* framebuffer; // current framebuffer
/* 0x04 */ u16* swapBuffer; // framebuffer to swap to
/* 0x08 */ OSViMode* viMode;
/* 0x0C */ u32 viFeatures;
/* 0x10 */ u8 unk_10; // set to 0, never read
/* 0x11 */ s8 updateRate; // how many VIs should elapse before next swap
/* 0x12 */ s8 updateTimer; // counts down (in VIs) from updateRate to 0, swaps the framebuffer at 0
#if OOT_VERSION >= PAL_1_0
/* 0x14 */ f32 xScale;
/* 0x18 */ f32 yScale;
#endif
} CfbInfo; // size = 0x1C
typedef struct OSScTask {
/* 0x00 */ struct OSScTask* next;
/* 0x04 */ u32 state;
/* 0x08 */ u32 flags;
/* 0x0C */ CfbInfo* framebuffer; // The original libultra OSScTask had void* here, it would point directly to a framebuffer
/* 0x10 */ OSTask list;
/* 0x50 */ OSMesgQueue* msgQueue; // Notification queue, will receive a message when the task completes
/* 0x54 */ OSMesg msg;
/* 0x58 */ OSTime startTime; // These last two fields are a guess based on the original libultra OSScTask and padding in other structures, they are unused.
/* 0x60 */ OSTime totalTime;
} OSScTask; // size = 0x68
typedef struct Scheduler {
/* 0x0000 */ OSMesgQueue interruptQueue;
/* 0x0018 */ OSMesg interruptMsgBuf[8];
/* 0x0038 */ OSMesgQueue cmdQueue; // queue for receiving OSScTask pointers
/* 0x0050 */ OSMesg cmdMsgBuf[8];
/* 0x0070 */ OSThread thread;
/* 0x0220 */ OSScTask* audioListHead;
/* 0x0224 */ OSScTask* gfxListHead;
/* 0x0228 */ OSScTask* audioListTail;
/* 0x022C */ OSScTask* gfxListTail;
/* 0x0230 */ OSScTask* curRSPTask; // task currently using the RSP
/* 0x0234 */ OSScTask* curRDPTask; // task currently using the RDP
/* 0x0238 */ s32 retraceCount;
/* 0x023C */ s32 doAudio;
/* 0x0240 */ CfbInfo* curBuf; // current framebuffer (taken from buffer 1)
/* 0x0244 */ CfbInfo* pendingSwapBuf1; // buffer 1 (next buffer)
/* 0x0220 */ CfbInfo* pendingSwapBuf2; // buffer 2 (always NULL)
/* 0x0220 */ s32 isFirstSwap;
/* 0x0250 */ IrqMgrClient irqClient;
} Scheduler; // size = 0x258
void Sched_Notify(Scheduler* sc);
void Sched_Init(Scheduler* sc, void* stack, OSPri priority, u8 viModeType, UNK_TYPE arg4, IrqMgr* irqMgr);
void Sched_FlushTaskQueue(void);
extern Scheduler gScheduler;
#endif
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