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

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#include "stdafx.h"
#include <Project64-core/N64System/SystemGlobals.h>
#include <Project64-core/N64System/N64Rom.h>
#include <Project64-core/N64System/N64Disk.h>
#include <Project64-core/N64System/Mips/MemoryVirtualMem.h>
#include <Project64-core/N64System/Mips/Register.h>
#include <Project64-core/N64System/N64System.h>
#include "GFXPlugin.h"
CGfxPlugin::CGfxPlugin() :
CaptureScreen(nullptr),
ChangeWindow(nullptr),
DrawScreen(nullptr),
DrawStatus(nullptr),
MoveScreen(nullptr),
ProcessDList(nullptr),
ProcessRDPList(nullptr),
ShowCFB(nullptr),
UpdateScreen(nullptr),
ViStatusChanged(nullptr),
ViWidthChanged(nullptr),
SoftReset(nullptr),
GetRomBrowserMenu(nullptr),
OnRomBrowserMenuItem(nullptr),
GetDebugInfo(nullptr),
InitiateDebugger(nullptr)
{
memset(&m_GFXDebug, 0, sizeof(m_GFXDebug));
}
CGfxPlugin::~CGfxPlugin()
{
WriteTrace(TraceVideoPlugin, TraceDebug, "Start");
Close(nullptr);
UnloadPlugin();
WriteTrace(TraceVideoPlugin, TraceDebug, "Done");
}
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);
#ifdef ANDROID
LoadFunction(SurfaceCreated);
LoadFunction(SurfaceChanged);
#endif
// Version 0x104 functions
_LoadFunction("DrawFullScreenStatus", DrawStatus);
// ROM browser
LoadFunction(GetRomBrowserMenu);
LoadFunction(OnRomBrowserMenuItem);
// Make sure DLL had all needed functions
if (ChangeWindow == nullptr) { UnloadPlugin(); return false; }
if (DrawScreen == nullptr) { DrawScreen = DummyDrawScreen; }
if (InitiateGFX == nullptr) { UnloadPlugin(); return false; }
if (MoveScreen == nullptr) { MoveScreen = DummyMoveScreen; }
if (ProcessDList == nullptr) { UnloadPlugin(); return false; }
if (UpdateScreen == nullptr) { UnloadPlugin(); return false; }
if (ViStatusChanged == nullptr) { ViStatusChanged = DummyViStatusChanged; }
if (ViWidthChanged == nullptr) { ViWidthChanged = DummyViWidthChanged; }
if (SoftReset == nullptr) { SoftReset = DummySoftReset; }
if (m_PluginInfo.Version >= 0x0103)
{
LoadFunction(ProcessRDPList);
LoadFunction(CaptureScreen);
LoadFunction(ShowCFB);
LoadFunction(GetDebugInfo);
_LoadFunction("InitiateGFXDebugger", InitiateDebugger);
if (ProcessRDPList == nullptr) { UnloadPlugin(); return false; }
if (CaptureScreen == nullptr) { UnloadPlugin(); return false; }
if (ShowCFB == nullptr) { UnloadPlugin(); return false; }
}
if (m_PluginInfo.Version >= 0x0104)
{
if (PluginOpened == nullptr) { UnloadPlugin(); return false; }
}
if (GetDebugInfo != nullptr)
{
GetDebugInfo(&m_GFXDebug);
}
return true;
}
bool CGfxPlugin::Initiate(CN64System * System, RenderWindow * Window)
{
WriteTrace(TraceVideoPlugin, TraceDebug, "Start");
if (m_Initialized)
{
Close(Window);
if (PluginOpened)
{
WriteTrace(PluginTraceType(), TraceDebug, "Before plugin opened");
PluginOpened();
WriteTrace(PluginTraceType(), TraceDebug, "After plugin opened");
}
}
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'd on a DWORD (32-bit) boundary
// 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);
#ifdef ANDROID
void(CALL *SwapBuffers)(void);
#endif
} GFX_INFO;
// Get function from DLL
int32_t(CALL *InitiateGFX)(GFX_INFO Gfx_Info);
_LoadFunction("InitiateGFX", InitiateGFX);
if (InitiateGFX == nullptr)
{
WriteTrace(TraceVideoPlugin, TraceDebug, "Failed to find InitiateGFX");
return false;
}
GFX_INFO Info = { 0 };
Info.MemoryBswaped = true;
#if defined(ANDROID) || defined(__ANDROID__)
Info.SwapBuffers = SwapBuffers;
#endif
Info.hWnd = nullptr;
Info.hStatusBar = nullptr;
#ifdef _WIN32
if (Window != nullptr)
{
Info.hWnd = Window->GetWindowHandle();
Info.hStatusBar = Window->GetStatusBar();
}
#endif
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
WriteTrace(TraceVideoPlugin, TraceDebug, "System = %X", System);
if (System == nullptr)
{
static uint8_t Buffer[100];
static 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
{
CMipsMemoryVM & MMU = System->m_MMU_VM;
CRegisters & Reg = System->m_Reg;
if (g_Rom->IsLoadedRomDDIPL() && g_Disk != nullptr)
Info.HEADER = g_Disk->GetDiskHeader();
else
Info.HEADER = g_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;
}
WriteTrace(TraceVideoPlugin, TraceDebug, "Calling InitiateGFX");
m_Initialized = InitiateGFX(Info) != 0;
WriteTrace(TraceVideoPlugin, TraceDebug, "Done (res: %s)", m_Initialized ? "true" : "false");
return m_Initialized;
}
void CGfxPlugin::UnloadPluginDetails(void)
{
WriteTrace(TraceVideoPlugin, TraceDebug, "Start");
if (m_LibHandle != nullptr)
{
DynamicLibraryClose(m_LibHandle);
m_LibHandle = nullptr;
}
memset(&m_GFXDebug, 0, sizeof(m_GFXDebug));
ChangeWindow = nullptr;
GetDebugInfo = nullptr;
DrawScreen = nullptr;
DrawStatus = nullptr;
InitiateDebugger = nullptr;
MoveScreen = nullptr;
ProcessDList = nullptr;
ProcessRDPList = nullptr;
ShowCFB = nullptr;
UpdateScreen = nullptr;
ViStatusChanged = nullptr;
ViWidthChanged = nullptr;
GetRomBrowserMenu = nullptr;
OnRomBrowserMenuItem = nullptr;
WriteTrace(TraceVideoPlugin, TraceDebug, "Done");
}
void CGfxPlugin::ProcessMenuItem(int32_t id)
{
if (m_GFXDebug.ProcessMenuItem)
{
m_GFXDebug.ProcessMenuItem(id);
}
}
#ifdef ANDROID
void CGfxPlugin::SwapBuffers(void)
{
RenderWindow * render = g_Plugins ? g_Plugins->MainWindow() : nullptr;
WriteTrace(TraceVideoPlugin, TraceDebug, "Start (render: %p)",render);
if (render != nullptr)
{
render->SwapWindow();
}
WriteTrace(TraceVideoPlugin, TraceDebug, "Done");
}
#endif
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