260 lines
8.0 KiB
C++
260 lines
8.0 KiB
C++
/****************************************************************************
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* *
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* Project 64 - A Nintendo 64 emulator. *
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* http://www.pj64-emu.com/ *
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* Copyright (C) 2012 Project64. All rights reserved. *
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* *
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* License: *
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* GNU/GPLv2 http://www.gnu.org/licenses/gpl-2.0.html *
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* *
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****************************************************************************/
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#include "stdafx.h"
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CGfxPlugin::CGfxPlugin() :
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CaptureScreen(NULL),
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ChangeWindow(NULL),
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DrawScreen(NULL),
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DrawStatus(NULL),
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MoveScreen(NULL),
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ProcessDList(NULL),
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ProcessRDPList(NULL),
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ShowCFB(NULL),
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UpdateScreen(NULL),
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ViStatusChanged(NULL),
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ViWidthChanged(NULL),
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SoftReset(NULL),
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GetRomBrowserMenu(NULL),
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OnRomBrowserMenuItem(NULL),
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GetDebugInfo(NULL),
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InitiateDebugger(NULL)
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{
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memset(&m_GFXDebug, 0, sizeof(m_GFXDebug));
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}
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CGfxPlugin::~CGfxPlugin()
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{
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Close();
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UnloadPlugin();
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}
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bool CGfxPlugin::LoadFunctions ( void )
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{
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// Find entries for functions in DLL
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BOOL (__cdecl *InitiateGFX) ( void * Gfx_Info );
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LoadFunction(InitiateGFX);
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LoadFunction(ChangeWindow);
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LoadFunction(DrawScreen);
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LoadFunction(MoveScreen);
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LoadFunction(ProcessDList);
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LoadFunction(UpdateScreen);
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LoadFunction(ViStatusChanged);
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LoadFunction(ViWidthChanged);
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LoadFunction(SoftReset);
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// version 0x104 functions
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_LoadFunction("DrawFullScreenStatus", DrawStatus);
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// Rom Browser
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LoadFunction(GetRomBrowserMenu);
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LoadFunction(OnRomBrowserMenuItem);
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//Make sure dll had all needed functions
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if (ChangeWindow == NULL) { UnloadPlugin(); return false; }
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if (DrawScreen == NULL) { DrawScreen = DummyDrawScreen; }
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if (InitiateGFX == NULL) { UnloadPlugin(); return false; }
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if (MoveScreen == NULL) { MoveScreen = DummyMoveScreen; }
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if (ProcessDList == NULL) { UnloadPlugin(); return false; }
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if (UpdateScreen == NULL) { UnloadPlugin(); return false; }
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if (ViStatusChanged == NULL) { ViStatusChanged = DummyViStatusChanged; }
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if (ViWidthChanged == NULL) { ViWidthChanged = DummyViWidthChanged; }
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if (SoftReset == NULL) { SoftReset = DummySoftReset; }
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if (m_PluginInfo.Version >= 0x0103)
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{
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LoadFunction(ProcessRDPList);
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LoadFunction(CaptureScreen);
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LoadFunction(ShowCFB);
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LoadFunction(GetDebugInfo);
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_LoadFunction("InitiateGFXDebugger", InitiateDebugger);
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if (ProcessRDPList == NULL) { UnloadPlugin(); return false; }
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if (CaptureScreen == NULL) { UnloadPlugin(); return false; }
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if (ShowCFB == NULL) { UnloadPlugin(); return false; }
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}
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if (m_PluginInfo.Version >= 0x0104)
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{
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if (PluginOpened == NULL) { UnloadPlugin(); return false; }
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}
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if (GetDebugInfo != NULL)
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GetDebugInfo(&m_GFXDebug);
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return true;
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}
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bool CGfxPlugin::Initiate(CN64System * System, CMainGui * RenderWindow)
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{
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if (m_Initialized)
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Close();
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typedef struct {
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HWND hWnd; /* Render window */
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HWND hStatusBar; /* if render window does not have a status bar then this is NULL */
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BOOL MemoryBswaped; // If this is set to TRUE, then the memory has been pre
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// bswap on a dword (32 bits) boundry
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// eg. the first 8 bytes are stored like this:
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// 4 3 2 1 8 7 6 5
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BYTE * HEADER; // This is the rom header (first 40h bytes of the rom
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// This will be in the same memory format as the rest of the memory.
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BYTE * RDRAM;
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BYTE * DMEM;
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BYTE * IMEM;
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DWORD * MI__INTR_REG;
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DWORD * DPC__START_REG;
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DWORD * DPC__END_REG;
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DWORD * DPC__CURRENT_REG;
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DWORD * DPC__STATUS_REG;
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DWORD * DPC__CLOCK_REG;
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DWORD * DPC__BUFBUSY_REG;
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DWORD * DPC__PIPEBUSY_REG;
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DWORD * DPC__TMEM_REG;
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DWORD * VI__STATUS_REG;
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DWORD * VI__ORIGIN_REG;
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DWORD * VI__WIDTH_REG;
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DWORD * VI__INTR_REG;
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DWORD * VI__V_CURRENT_LINE_REG;
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DWORD * VI__TIMING_REG;
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DWORD * VI__V_SYNC_REG;
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DWORD * VI__H_SYNC_REG;
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DWORD * VI__LEAP_REG;
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DWORD * VI__H_START_REG;
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DWORD * VI__V_START_REG;
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DWORD * VI__V_BURST_REG;
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DWORD * VI__X_SCALE_REG;
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DWORD * VI__Y_SCALE_REG;
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void (__cdecl *CheckInterrupts)( void );
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} GFX_INFO;
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//Get Function from DLL
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BOOL (__cdecl *InitiateGFX)( GFX_INFO Gfx_Info );
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InitiateGFX = (BOOL (__cdecl *)(GFX_INFO))GetProcAddress( (HMODULE)m_hDll, "InitiateGFX" );
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if (InitiateGFX == NULL) { return false; }
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GFX_INFO Info = { 0 };
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Info.MemoryBswaped = TRUE;
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Info.hWnd = (HWND)RenderWindow->m_hMainWindow;
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Info.hStatusBar = (HWND)RenderWindow->m_hStatusWnd;
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Info.CheckInterrupts = DummyCheckInterrupts;
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// We are initializing the plugin before any rom is loaded so we do not have any correct
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// parameters here.. it's just needed so we can config the DLL.
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if (System == NULL)
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{
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BYTE Buffer[100];
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DWORD Value = 0;
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Info.HEADER = Buffer;
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Info.RDRAM = Buffer;
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Info.DMEM = Buffer;
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Info.IMEM = Buffer;
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Info.MI__INTR_REG = &Value;
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Info.VI__STATUS_REG = &Value;
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Info.VI__ORIGIN_REG = &Value;
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Info.VI__WIDTH_REG = &Value;
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Info.VI__INTR_REG = &Value;
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Info.VI__V_CURRENT_LINE_REG = &Value;
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Info.VI__TIMING_REG = &Value;
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Info.VI__V_SYNC_REG = &Value;
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Info.VI__H_SYNC_REG = &Value;
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Info.VI__LEAP_REG = &Value;
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Info.VI__H_START_REG = &Value;
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Info.VI__V_START_REG = &Value;
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Info.VI__V_BURST_REG = &Value;
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Info.VI__X_SCALE_REG = &Value;
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Info.VI__Y_SCALE_REG = &Value;
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}
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// Send initialization information to the DLL
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else
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{
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Info.HEADER = g_Rom->GetRomAddress();
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Info.RDRAM = g_MMU->Rdram();
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Info.DMEM = g_MMU->Dmem();
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Info.IMEM = g_MMU->Imem();
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Info.MI__INTR_REG = &g_Reg->m_GfxIntrReg;
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Info.DPC__START_REG = &g_Reg->DPC_START_REG;
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Info.DPC__END_REG = &g_Reg->DPC_END_REG;
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Info.DPC__CURRENT_REG = &g_Reg->DPC_CURRENT_REG;
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Info.DPC__STATUS_REG = &g_Reg->DPC_STATUS_REG;
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Info.DPC__CLOCK_REG = &g_Reg->DPC_CLOCK_REG;
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Info.DPC__BUFBUSY_REG = &g_Reg->DPC_BUFBUSY_REG;
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Info.DPC__PIPEBUSY_REG = &g_Reg->DPC_PIPEBUSY_REG;
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Info.DPC__TMEM_REG = &g_Reg->DPC_TMEM_REG;
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Info.VI__STATUS_REG = &g_Reg->VI_STATUS_REG;
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Info.VI__ORIGIN_REG = &g_Reg->VI_ORIGIN_REG;
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Info.VI__WIDTH_REG = &g_Reg->VI_WIDTH_REG;
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Info.VI__INTR_REG = &g_Reg->VI_INTR_REG;
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Info.VI__V_CURRENT_LINE_REG = &g_Reg->VI_CURRENT_REG;
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Info.VI__TIMING_REG = &g_Reg->VI_TIMING_REG;
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Info.VI__V_SYNC_REG = &g_Reg->VI_V_SYNC_REG;
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Info.VI__H_SYNC_REG = &g_Reg->VI_H_SYNC_REG;
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Info.VI__LEAP_REG = &g_Reg->VI_LEAP_REG;
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Info.VI__H_START_REG = &g_Reg->VI_H_START_REG;
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Info.VI__V_START_REG = &g_Reg->VI_V_START_REG;
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Info.VI__V_BURST_REG = &g_Reg->VI_V_BURST_REG;
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Info.VI__X_SCALE_REG = &g_Reg->VI_X_SCALE_REG;
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Info.VI__Y_SCALE_REG = &g_Reg->VI_Y_SCALE_REG;
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}
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m_Initialized = InitiateGFX(Info) != 0;
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//jabo had a bug so I call CreateThread so his dllmain gets called again
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DWORD ThreadID;
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HANDLE hthread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)DummyFunction, NULL, 0, &ThreadID);
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CloseHandle(hthread);
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return m_Initialized;
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}
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void CGfxPlugin::UnloadPluginDetails(void)
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{
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if (m_hDll != NULL ) {
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FreeLibrary((HMODULE)m_hDll);
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m_hDll = NULL;
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}
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memset(&m_GFXDebug, 0, sizeof(m_GFXDebug));
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// CaptureScreen = NULL;
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ChangeWindow = NULL;
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GetDebugInfo = NULL;
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DrawScreen = NULL;
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DrawStatus = NULL;
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// FrameBufferRead = NULL;
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// FrameBufferWrite = NULL;
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InitiateDebugger = NULL;
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MoveScreen = NULL;
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ProcessDList = NULL;
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ProcessRDPList = NULL;
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ShowCFB = NULL;
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UpdateScreen = NULL;
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ViStatusChanged = NULL;
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ViWidthChanged = NULL;
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GetRomBrowserMenu = NULL;
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OnRomBrowserMenuItem = NULL;
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}
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void CGfxPlugin::ProcessMenuItem(int id)
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{
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if (m_GFXDebug.ProcessMenuItem)
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{
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m_GFXDebug.ProcessMenuItem(id);
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}
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}
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