project64/Source/Project64/Plugins/GFX plugin.cpp

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#include "stdafx.h"
void FixUPXIssue ( BYTE * ProgramLocation );
CGfxPlugin::CGfxPlugin ( const char * FileName) {
//Make sure all parts of the class are initialized
m_Initilized = false;
m_RomOpen = false;
hDll = NULL;
UnloadPlugin();
//Try to load the DLL library
UINT LastErrorMode = SetErrorMode( SEM_FAILCRITICALERRORS );
hDll = LoadLibrary(FileName);
SetErrorMode(LastErrorMode);
if (hDll == NULL) {
UnloadPlugin();
return;
}
FixUPXIssue((BYTE *)hDll);
//Get DLL information
void (__cdecl *GetDllInfo) ( PLUGIN_INFO * PluginInfo );
GetDllInfo = (void (__cdecl *)(PLUGIN_INFO *))GetProcAddress( (HMODULE)hDll, "GetDllInfo" );
if (GetDllInfo == NULL) { UnloadPlugin(); return; }
GetDllInfo(&m_PluginInfo);
if (!ValidPluginVersion(&m_PluginInfo)) { UnloadPlugin(); return; }
//Find entries for functions in DLL
BOOL (__cdecl *InitFunc) ( void * Gfx_Info );
CloseDLL = (void (__cdecl *)(void)) GetProcAddress( (HMODULE)hDll, "CloseDLL" );
ChangeWindow = (void (__cdecl *)(void)) GetProcAddress( (HMODULE)hDll, "ChangeWindow" );
Config = (void (__cdecl *)(DWORD)) GetProcAddress( (HMODULE)hDll, "DllConfig" );
DrawScreen = (void (__cdecl *)(void)) GetProcAddress( (HMODULE)hDll, "DrawScreen" );
InitFunc = (BOOL (__cdecl *)(void *)) GetProcAddress( (HMODULE)hDll, "InitiateGFX" );
MoveScreen = (void (__cdecl *)(int, int))GetProcAddress( (HMODULE)hDll, "MoveScreen" );
ProcessDList = (void (__cdecl *)(void)) GetProcAddress( (HMODULE)hDll, "ProcessDList" );
RomClosed = (void (__cdecl *)(void)) GetProcAddress( (HMODULE)hDll, "RomClosed" );
RomOpen = (void (__cdecl *)(void)) GetProcAddress( (HMODULE)hDll, "RomOpen" );
UpdateScreen = (void (__cdecl *)(void)) GetProcAddress( (HMODULE)hDll, "UpdateScreen" );
ViStatusChanged = (void (__cdecl *)(void)) GetProcAddress( (HMODULE)hDll, "ViStatusChanged" );
ViWidthChanged = (void (__cdecl *)(void)) GetProcAddress( (HMODULE)hDll, "ViWidthChanged" );
SoftReset = (void (__cdecl *)(void)) GetProcAddress( (HMODULE)hDll, "SoftReset" );
//version 104 functions
PluginOpened = (void (__cdecl *)(void))GetProcAddress( (HMODULE)hDll, "PluginLoaded" );
DrawStatus = (void (__cdecl *)(const char *, BOOL ))GetProcAddress((HMODULE)hDll, "DrawFullScreenStatus");
// Rom Browser
GetRomBrowserMenu = (MENU_HANDLE (__cdecl *)( void ))GetProcAddress( (HMODULE)hDll, "GetRomBrowserMenu" );
OnRomBrowserMenuItem = (void (__cdecl *) ( int, WND_HANDLE, BYTE * ))GetProcAddress( (HMODULE)hDll, "OnRomBrowserMenuItem" );
//Make sure dll had all needed functions
if (ChangeWindow == NULL) { UnloadPlugin(); return; }
if (DrawScreen == NULL) { DrawScreen = DummyDrawScreen; }
if (InitFunc == NULL) { UnloadPlugin(); return; }
if (MoveScreen == NULL) { MoveScreen = DummyMoveScreen; }
if (ProcessDList == NULL) { UnloadPlugin(); return; }
if (RomClosed == NULL) { UnloadPlugin(); return; }
if (RomOpen == NULL) { UnloadPlugin(); return; }
if (UpdateScreen == NULL) { UnloadPlugin(); return; }
if (ViStatusChanged == NULL) { ViStatusChanged = DummyViStatusChanged; }
if (ViWidthChanged == NULL) { ViWidthChanged = DummyViWidthChanged; }
if (CloseDLL == NULL) { UnloadPlugin(); return; }
if (SoftReset == NULL) { SoftReset = DummySoftReset; }
if (m_PluginInfo.Version >= 0x0103 ){
ProcessRDPList = (void (__cdecl *)(void))GetProcAddress( (HMODULE)hDll, "ProcessRDPList" );
CaptureScreen = (void (__cdecl *)(const char *))GetProcAddress( (HMODULE)hDll, "CaptureScreen" );
ShowCFB = (void (__cdecl *)(void))GetProcAddress( (HMODULE)hDll, "ShowCFB" );
GetDebugInfo = (void (__cdecl *)(GFXDEBUG_INFO *))GetProcAddress( (HMODULE)hDll, "GetGfxDebugInfo" );
InitiateDebugger = (void (__cdecl *)(DEBUG_INFO))GetProcAddress( (HMODULE)hDll, "InitiateGFXDebugger" );
if (ProcessRDPList == NULL) { UnloadPlugin(); return; }
if (CaptureScreen == NULL) { UnloadPlugin(); return; }
if (ShowCFB == NULL) { UnloadPlugin(); return; }
if (GetDebugInfo != NULL) { GetDebugInfo(&m_GFXDebug); }
}
SetSettingInfo2 = (void (__cdecl *)(PLUGIN_SETTINGS2 *))GetProcAddress( (HMODULE)hDll, "SetSettingInfo2" );
if (SetSettingInfo2)
{
PLUGIN_SETTINGS2 info;
info.FindSystemSettingId = (unsigned int (*)( void * handle, const char * ))CSettings::FindGameSetting;
SetSettingInfo2(&info);
}
SetSettingInfo = (void (__cdecl *)(PLUGIN_SETTINGS *))GetProcAddress( (HMODULE)hDll, "SetSettingInfo" );
if (SetSettingInfo)
{
PLUGIN_SETTINGS info;
info.dwSize = sizeof(PLUGIN_SETTINGS);
info.DefaultStartRange = FirstGfxDefaultSet;
info.SettingStartRange = FirstGfxSettings;
info.MaximumSettings = MaxPluginSetting;
info.NoDefault = Default_None;
info.DefaultLocation = _Settings->LoadDword(Setting_UseFromRegistry) ? SettingType_Registry : SettingType_CfgFile;
info.handle = _Settings;
info.RegisterSetting = (void (*)(void *,int,int,SettingDataType,SettingType,const char *,const char *, DWORD))CSettings::RegisterSetting;
info.GetSetting = (unsigned int (*)( void * handle, int ID ))CSettings::GetSetting;
info.GetSettingSz = (const char * (*)( void *, int, char *, int ))CSettings::GetSettingSz;
info.SetSetting = (void (*)(void *,int,unsigned int))CSettings::SetSetting;
info.SetSettingSz = (void (*)(void *,int,const char *))CSettings::SetSettingSz;
info.UseUnregisteredSetting = NULL;
SetSettingInfo(&info);
// _Settings->UnknownSetting_GFX = info.UseUnregisteredSetting;
}
if (m_PluginInfo.Version >= 0x0104)
{
if (PluginOpened == NULL) { UnloadPlugin(); return; }
PluginOpened();
}
// FrameBufferRead = (void (__cdecl *)(DWORD))GetProcAddress( (HMODULE)hDll, "FBRead" );
// FrameBufferWrite = (void (__cdecl *)(DWORD, DWORD))GetProcAddress( (HMODULE)hDll, "FBWrite" );
}
CGfxPlugin::~CGfxPlugin (void) {
Close();
UnloadPlugin();
}
bool CGfxPlugin::Initiate ( CN64System * System, CMainGui * RenderWindow ) {
typedef struct {
HWND hWnd; /* Render window */
HWND hStatusBar; /* if render window does not have a status bar then this is NULL */
BOOL MemoryBswaped; // If this is set to TRUE, then the memory has been pre
// bswap on a dword (32 bits) boundry
// eg. the first 8 bytes are stored like this:
// 4 3 2 1 8 7 6 5
BYTE * HEADER; // This is the rom header (first 40h bytes of the rom
// This will be in the same memory format as the rest of the memory.
BYTE * RDRAM;
BYTE * DMEM;
BYTE * IMEM;
DWORD * MI__INTR_REG;
DWORD * DPC__START_REG;
DWORD * DPC__END_REG;
DWORD * DPC__CURRENT_REG;
DWORD * DPC__STATUS_REG;
DWORD * DPC__CLOCK_REG;
DWORD * DPC__BUFBUSY_REG;
DWORD * DPC__PIPEBUSY_REG;
DWORD * DPC__TMEM_REG;
DWORD * VI__STATUS_REG;
DWORD * VI__ORIGIN_REG;
DWORD * VI__WIDTH_REG;
DWORD * VI__INTR_REG;
DWORD * VI__V_CURRENT_LINE_REG;
DWORD * VI__TIMING_REG;
DWORD * VI__V_SYNC_REG;
DWORD * VI__H_SYNC_REG;
DWORD * VI__LEAP_REG;
DWORD * VI__H_START_REG;
DWORD * VI__V_START_REG;
DWORD * VI__V_BURST_REG;
DWORD * VI__X_SCALE_REG;
DWORD * VI__Y_SCALE_REG;
void (__cdecl *CheckInterrupts)( void );
} GFX_INFO;
//Get Function from DLL
BOOL (__cdecl *InitiateGFX)( GFX_INFO Gfx_Info );
InitiateGFX = (BOOL (__cdecl *)(GFX_INFO))GetProcAddress( (HMODULE)hDll, "InitiateGFX" );
if (InitiateGFX == NULL) { return false; }
GFX_INFO Info;
memset(&Info,0,sizeof(Info));
//We are initilizing the plugin before any rom is loaded so we do not have any correct
//paramaters here .. just needed to we can config the DLL
if (System == NULL) {
BYTE Buffer[100];
DWORD Value = 0;
Info.MemoryBswaped = TRUE;
Info.hWnd = (HWND)RenderWindow->m_hMainWindow;
Info.hStatusBar = (HWND)RenderWindow->m_hStatusWnd;
Info.CheckInterrupts = DummyCheckInterrupts;
Info.HEADER = Buffer;
Info.RDRAM = Buffer;
Info.DMEM = Buffer;
Info.IMEM = Buffer;
Info.MI__INTR_REG = &Value;
Info.VI__STATUS_REG = &Value;
Info.VI__ORIGIN_REG = &Value;
Info.VI__WIDTH_REG = &Value;
Info.VI__INTR_REG = &Value;
Info.VI__V_CURRENT_LINE_REG = &Value;
Info.VI__TIMING_REG = &Value;
Info.VI__V_SYNC_REG = &Value;
Info.VI__H_SYNC_REG = &Value;
Info.VI__LEAP_REG = &Value;
Info.VI__H_START_REG = &Value;
Info.VI__V_START_REG = &Value;
Info.VI__V_BURST_REG = &Value;
Info.VI__X_SCALE_REG = &Value;
Info.VI__Y_SCALE_REG = &Value;
m_Initilized = InitiateGFX(Info) != 0;
//jabo had a bug so I call CreateThread so his dllmain gets called again
DWORD ThreadID;
HANDLE hthread = CreateThread(NULL,0,(LPTHREAD_START_ROUTINE)DummyFunction,NULL,0, &ThreadID);
CloseHandle(hthread);
Sleep(100);
return m_Initilized;
}
//Send Initilization information to the DLL
Info.MemoryBswaped = TRUE;
Info.CheckInterrupts = DummyCheckInterrupts;
Info.hWnd = (HWND)RenderWindow->m_hMainWindow;
Info.hStatusBar = (HWND)RenderWindow->m_hStatusWnd;
Info.HEADER = _Rom->GetRomAddress();
Info.RDRAM = _MMU->Rdram();
Info.DMEM = _MMU->Dmem();
Info.IMEM = _MMU->Imem();
Info.MI__INTR_REG = &_Reg->m_GfxIntrReg;
Info.DPC__START_REG = &_Reg->DPC_START_REG;
Info.DPC__END_REG = &_Reg->DPC_END_REG;
Info.DPC__CURRENT_REG = &_Reg->DPC_CURRENT_REG;
Info.DPC__STATUS_REG = &_Reg->DPC_STATUS_REG;
Info.DPC__CLOCK_REG = &_Reg->DPC_CLOCK_REG;
Info.DPC__BUFBUSY_REG = &_Reg->DPC_BUFBUSY_REG;
Info.DPC__PIPEBUSY_REG = &_Reg->DPC_PIPEBUSY_REG;
Info.DPC__TMEM_REG = &_Reg->DPC_TMEM_REG;
Info.VI__STATUS_REG = &_Reg->VI_STATUS_REG;
Info.VI__ORIGIN_REG = &_Reg->VI_ORIGIN_REG;
Info.VI__WIDTH_REG = &_Reg->VI_WIDTH_REG;
Info.VI__INTR_REG = &_Reg->VI_INTR_REG;
Info.VI__V_CURRENT_LINE_REG = &_Reg->VI_CURRENT_REG;
Info.VI__TIMING_REG = &_Reg->VI_TIMING_REG;
Info.VI__V_SYNC_REG = &_Reg->VI_V_SYNC_REG;
Info.VI__H_SYNC_REG = &_Reg->VI_H_SYNC_REG;
Info.VI__LEAP_REG = &_Reg->VI_LEAP_REG;
Info.VI__H_START_REG = &_Reg->VI_H_START_REG;
Info.VI__V_START_REG = &_Reg->VI_V_START_REG;
Info.VI__V_BURST_REG = &_Reg->VI_V_BURST_REG;
Info.VI__X_SCALE_REG = &_Reg->VI_X_SCALE_REG;
Info.VI__Y_SCALE_REG = &_Reg->VI_Y_SCALE_REG;
m_Initilized = InitiateGFX(Info) != 0;
//jabo had a bug so I call CreateThread so his dllmain gets called again
DWORD ThreadID;
HANDLE hthread = CreateThread(NULL,0,(LPTHREAD_START_ROUTINE)DummyFunction,NULL,0, &ThreadID);
CloseHandle(hthread);
return m_Initilized;
}
void CGfxPlugin::Close(void) {
if (m_RomOpen) {
RomClosed();
m_RomOpen = false;
}
if (m_Initilized) {
CloseDLL();
m_Initilized = false;
}
}
void CGfxPlugin::RomOpened ( void )
{
//Real system ... then make the file as open
if (!m_RomOpen)
{
RomOpen();
m_RomOpen = true;
}
}
void CGfxPlugin::GameReset(void)
{
if (m_RomOpen)
{
WriteTrace(TraceGfxPlugin,"RomClosed: Starting");
RomClosed();
WriteTrace(TraceGfxPlugin,"RomClosed: Done");
WriteTrace(TraceGfxPlugin,"RomOpen: Starting");
RomOpen();
WriteTrace(TraceGfxPlugin,"RomOpen: Done");
}
}
bool CGfxPlugin::ValidPluginVersion(PLUGIN_INFO * PluginInfo) {
switch (PluginInfo->Type) {
case PLUGIN_TYPE_GFX:
if (PluginInfo->MemoryBswaped == FALSE) { return FALSE; }
if (PluginInfo->Version == 0x0102) { return TRUE; }
if (PluginInfo->Version == 0x0103) { return TRUE; }
if (PluginInfo->Version == 0x0104) { return TRUE; }
break;
}
return FALSE;
}
void CGfxPlugin::UnloadPlugin(void) {
if (hDll != NULL ) {
FreeLibrary((HMODULE)hDll);
hDll = NULL;
}
memset(&m_GFXDebug,0,sizeof(m_GFXDebug));
memset(&m_PluginInfo,0,sizeof(m_PluginInfo));
// CaptureScreen = NULL;
ChangeWindow = NULL;
GetDebugInfo = NULL;
CloseDLL = NULL;
// DllAbout = NULL;
Config = NULL;
RomClosed = NULL;
RomOpen = NULL;
DrawScreen = NULL;
DrawStatus = NULL;
// FrameBufferRead = NULL;
// FrameBufferWrite = NULL;
InitiateDebugger = NULL;
MoveScreen = NULL;
ProcessDList = NULL;
ProcessRDPList = NULL;
ShowCFB = NULL;
UpdateScreen = NULL;
ViStatusChanged = NULL;
ViWidthChanged = NULL;
GetRomBrowserMenu = NULL;
OnRomBrowserMenuItem = NULL;
}