/
driver.h
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/
driver.h
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/*
Copyright (C) 2009-2018 DeSmuME team
This file is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
This file is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with the this software. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _DRIVER_H_
#define _DRIVER_H_
#include <stdio.h>
#include "types.h"
#include "debug.h"
class VIEW3D_Driver
{
public:
virtual void Launch() {}
virtual void NewFrame() {}
virtual bool IsRunning() { return false; }
};
//each platform needs to implement this, although it doesnt need to implement any functions
class BaseDriver {
public:
BaseDriver();
~BaseDriver();
virtual void AVI_SoundUpdate(void* soundData, int soundLen) {}
virtual bool AVI_IsRecording() { return FALSE; }
virtual bool WAV_IsRecording() { return FALSE; }
virtual void USR_InfoMessage(const char *message) { LOG("%s\n", message); }
virtual void USR_RefreshScreen() {}
virtual void USR_SetDisplayPostpone(int milliseconds, bool drawNextFrame) {} // -1 == indefinitely, 0 == don't pospone, 500 == don't draw for 0.5 seconds
enum eStepMainLoopResult
{
ESTEP_NOT_IMPLEMENTED = -1,
ESTEP_CALL_AGAIN = 0,
ESTEP_DONE = 1
};
virtual eStepMainLoopResult EMU_StepMainLoop(bool allowSleep, bool allowPause, int frameSkip, bool disableUser, bool disableCore) { return ESTEP_NOT_IMPLEMENTED; } // -1 frameSkip == useCurrentDefault
virtual void EMU_PauseEmulation(bool pause) {}
virtual bool EMU_IsEmulationPaused() { return false; }
virtual bool EMU_IsFastForwarding() { return false; }
virtual bool EMU_HasEmulationStarted() { return true; }
virtual bool EMU_IsAtFrameBoundary() { return true; }
virtual void EMU_DebugIdleEnter() {}
virtual void EMU_DebugIdleUpdate() {}
virtual void EMU_DebugIdleWakeUp() {}
enum eDebug_IOReg
{
EDEBUG_IOREG_DMA
};
virtual void DEBUG_UpdateIORegView(eDebug_IOReg category) { }
VIEW3D_Driver* view3d;
void VIEW3D_Shutdown();
void VIEW3D_Init();
virtual void AddLine(const char *fmt, ...);
virtual void SetLineColor(u8 r, u8 b, u8 g);
};
extern BaseDriver* driver;
#endif //_DRIVER_H_