vblank.h

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/*
# _____     ___ ____     ___ ____
#  ____|   |    ____|   |        | |____|
# |     ___|   |____ ___|    ____| |    \    PS2DEV Open Source Project.
#-----------------------------------------------------------------------
# Copyright 2001-2004, ps2dev - http://www.ps2dev.org
# Licenced under Academic Free License version 2.0
# Review ps2sdk README & LICENSE files for further details.
*/

 
#ifndef __VBLANK_H__
#define __VBLANK_H__
 
#include <irx.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef struct vblank_ll_
{
    struct vblank_ll_ *next;
    struct vblank_ll_ *prev;
} vblank_ll_t;
 
typedef struct vblank_item_
{
    vblank_ll_t ll;
    int priority;
    int (*callback)(void *userdata);
    void *userdata;
} vblank_item_t;
 
typedef struct vblank_internals_
{
    int ef;
    int item_count;
    vblank_ll_t list_00;
    vblank_ll_t list_11;
    vblank_ll_t list_free;
    vblank_item_t list_items[16];
} vblank_internals_t;
 
extern vblank_internals_t *GetVblankInternalData(void);
 
extern void WaitVblankStart();
extern void WaitVblankEnd();
extern void WaitVblank();
extern void WaitNonVblank();
 
extern int RegisterVblankHandler(int startend, int priority, int (*handler)(void *userdata),
        void *arg);
extern int ReleaseVblankHandler(int startend, int (*handler)(void *userdata));
 
#define vblank_IMPORTS_start DECLARE_IMPORT_TABLE(vblank, 1, 1)
#define vblank_IMPORTS_end END_IMPORT_TABLE
 
#define I_WaitVblankStart DECLARE_IMPORT(4, WaitVblankStart)
#define I_WaitVblankEnd DECLARE_IMPORT(5, WaitVblankEnd)
#define I_WaitVblank DECLARE_IMPORT(6, WaitVblank)
#define I_WaitNonVblank DECLARE_IMPORT(7, WaitNonVblank)
#define I_RegisterVblankHandler DECLARE_IMPORT(8, RegisterVblankHandler)
#define I_ReleaseVblankHandler DECLARE_IMPORT(9, ReleaseVblankHandler)
 
#ifdef __cplusplus
}
#endif
 
#endif /* __VBLANK_H__ */