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project64/Source/Project64-core/Plugins/GFXPlugin.cpp

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/****************************************************************************
* *
* Project64 - A Nintendo 64 emulator. *
* http://www.pj64-emu.com/ *
* Copyright (C) 2012 Project64. All rights reserved. *
* *
* License: *
* GNU/GPLv2 http://www.gnu.org/licenses/gpl-2.0.html *
* *
****************************************************************************/
#include "stdafx.h"
#include <Project64-core/N64System/SystemGlobals.h>
#include <Project64-core/N64System/N64RomClass.h>
#include <Project64-core/N64System/Mips/MemoryVirtualMem.h>
#include <Project64-core/N64System/Mips/RegisterClass.h>
#include "GFXPlugin.h"
CGfxPlugin::CGfxPlugin() :
CaptureScreen(NULL),
ChangeWindow(NULL),
DrawScreen(NULL),
DrawStatus(NULL),
MoveScreen(NULL),
ProcessDList(NULL),
ProcessRDPList(NULL),
ShowCFB(NULL),
UpdateScreen(NULL),
ViStatusChanged(NULL),
ViWidthChanged(NULL),
SoftReset(NULL),
GetRomBrowserMenu(NULL),
OnRomBrowserMenuItem(NULL),
GetDebugInfo(NULL),
InitiateDebugger(NULL)
{
memset(&m_GFXDebug, 0, sizeof(m_GFXDebug));
}
CGfxPlugin::~CGfxPlugin()
{
Close();
UnloadPlugin();
}
bool CGfxPlugin::LoadFunctions(void)
{
// Find entries for functions in DLL
int32_t(CALL *InitiateGFX) (void * Gfx_Info);
LoadFunction(InitiateGFX);
LoadFunction(ChangeWindow);
LoadFunction(DrawScreen);
LoadFunction(MoveScreen);
LoadFunction(ProcessDList);
LoadFunction(UpdateScreen);
LoadFunction(ViStatusChanged);
LoadFunction(ViWidthChanged);
LoadFunction(SoftReset);
// version 0x104 functions
_LoadFunction("DrawFullScreenStatus", DrawStatus);
// Rom Browser
LoadFunction(GetRomBrowserMenu);
LoadFunction(OnRomBrowserMenuItem);
//Make sure dll had all needed functions
if (ChangeWindow == NULL) { UnloadPlugin(); return false; }
if (DrawScreen == NULL) { DrawScreen = DummyDrawScreen; }
if (InitiateGFX == NULL) { UnloadPlugin(); return false; }
if (MoveScreen == NULL) { MoveScreen = DummyMoveScreen; }
if (ProcessDList == NULL) { UnloadPlugin(); return false; }
if (UpdateScreen == NULL) { UnloadPlugin(); return false; }
if (ViStatusChanged == NULL) { ViStatusChanged = DummyViStatusChanged; }
if (ViWidthChanged == NULL) { ViWidthChanged = DummyViWidthChanged; }
if (SoftReset == NULL) { SoftReset = DummySoftReset; }
if (m_PluginInfo.Version >= 0x0103)
{
LoadFunction(ProcessRDPList);
LoadFunction(CaptureScreen);
LoadFunction(ShowCFB);
LoadFunction(GetDebugInfo);
_LoadFunction("InitiateGFXDebugger", InitiateDebugger);
if (ProcessRDPList == NULL) { UnloadPlugin(); return false; }
if (CaptureScreen == NULL) { UnloadPlugin(); return false; }
if (ShowCFB == NULL) { UnloadPlugin(); return false; }
}
if (m_PluginInfo.Version >= 0x0104)
{
if (PluginOpened == NULL) { UnloadPlugin(); return false; }
}
if (GetDebugInfo != NULL)
{
GetDebugInfo(&m_GFXDebug);
}
return true;
}
bool CGfxPlugin::Initiate(CN64System * System, RenderWindow * Window)
{
if (m_Initialized)
{
Close();
}
typedef struct
{
void * hWnd; /* Render window */
void * hStatusBar; /* if render window does not have a status bar then this is NULL */
int32_t 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
uint8_t * 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.
uint8_t * RDRAM;
uint8_t * DMEM;
uint8_t * IMEM;
uint32_t * MI__INTR_REG;
uint32_t * DPC__START_REG;
uint32_t * DPC__END_REG;
uint32_t * DPC__CURRENT_REG;
uint32_t * DPC__STATUS_REG;
uint32_t * DPC__CLOCK_REG;
uint32_t * DPC__BUFBUSY_REG;
uint32_t * DPC__PIPEBUSY_REG;
uint32_t * DPC__TMEM_REG;
uint32_t * VI__STATUS_REG;
uint32_t * VI__ORIGIN_REG;
uint32_t * VI__WIDTH_REG;
uint32_t * VI__INTR_REG;
uint32_t * VI__V_CURRENT_LINE_REG;
uint32_t * VI__TIMING_REG;
uint32_t * VI__V_SYNC_REG;
uint32_t * VI__H_SYNC_REG;
uint32_t * VI__LEAP_REG;
uint32_t * VI__H_START_REG;
uint32_t * VI__V_START_REG;
uint32_t * VI__V_BURST_REG;
uint32_t * VI__X_SCALE_REG;
uint32_t * VI__Y_SCALE_REG;
void(CALL *CheckInterrupts)(void);
} GFX_INFO;
//Get Function from DLL
int32_t(CALL *InitiateGFX)(GFX_INFO Gfx_Info);
_LoadFunction("InitiateGFX",InitiateGFX);
if (InitiateGFX == NULL) { return false; }
GFX_INFO Info = { 0 };
Info.MemoryBswaped = true;
Info.hWnd = Window->GetWindowHandle();
Info.hStatusBar = Window->GetStatusBar();
Info.CheckInterrupts = DummyCheckInterrupts;
// We are initializing the plugin before any rom is loaded so we do not have any correct
// parameters here.. it's just needed so we can config the DLL.
if (System == NULL)
{
uint8_t Buffer[100];
uint32_t Value = 0;
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;
}
// Send initialization information to the DLL
else
{
Info.HEADER = g_Rom->GetRomAddress();
Info.RDRAM = g_MMU->Rdram();
Info.DMEM = g_MMU->Dmem();
Info.IMEM = g_MMU->Imem();
Info.MI__INTR_REG = &g_Reg->m_GfxIntrReg;
Info.DPC__START_REG = &g_Reg->DPC_START_REG;
Info.DPC__END_REG = &g_Reg->DPC_END_REG;
Info.DPC__CURRENT_REG = &g_Reg->DPC_CURRENT_REG;
Info.DPC__STATUS_REG = &g_Reg->DPC_STATUS_REG;
Info.DPC__CLOCK_REG = &g_Reg->DPC_CLOCK_REG;
Info.DPC__BUFBUSY_REG = &g_Reg->DPC_BUFBUSY_REG;
Info.DPC__PIPEBUSY_REG = &g_Reg->DPC_PIPEBUSY_REG;
Info.DPC__TMEM_REG = &g_Reg->DPC_TMEM_REG;
Info.VI__STATUS_REG = &g_Reg->VI_STATUS_REG;
Info.VI__ORIGIN_REG = &g_Reg->VI_ORIGIN_REG;
Info.VI__WIDTH_REG = &g_Reg->VI_WIDTH_REG;
Info.VI__INTR_REG = &g_Reg->VI_INTR_REG;
Info.VI__V_CURRENT_LINE_REG = &g_Reg->VI_CURRENT_REG;
Info.VI__TIMING_REG = &g_Reg->VI_TIMING_REG;
Info.VI__V_SYNC_REG = &g_Reg->VI_V_SYNC_REG;
Info.VI__H_SYNC_REG = &g_Reg->VI_H_SYNC_REG;
Info.VI__LEAP_REG = &g_Reg->VI_LEAP_REG;
Info.VI__H_START_REG = &g_Reg->VI_H_START_REG;
Info.VI__V_START_REG = &g_Reg->VI_V_START_REG;
Info.VI__V_BURST_REG = &g_Reg->VI_V_BURST_REG;
Info.VI__X_SCALE_REG = &g_Reg->VI_X_SCALE_REG;
Info.VI__Y_SCALE_REG = &g_Reg->VI_Y_SCALE_REG;
}
m_Initialized = InitiateGFX(Info) != 0;
#ifdef _WIN32
//jabo had a bug so I call CreateThread so his dllmain gets called again
pjutil::DynLibCallDllMain();
#endif
return m_Initialized;
}
void CGfxPlugin::UnloadPluginDetails(void)
{
if (m_LibHandle != NULL)
{
pjutil::DynLibClose(m_LibHandle);
m_LibHandle = NULL;
}
memset(&m_GFXDebug, 0, sizeof(m_GFXDebug));
// CaptureScreen = NULL;
ChangeWindow = NULL;
GetDebugInfo = 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;
}
void CGfxPlugin::ProcessMenuItem(int32_t id)
{
if (m_GFXDebug.ProcessMenuItem)
{
m_GFXDebug.ProcessMenuItem(id);
}
}
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