C++ GraphicsPlugin类代码示例

//-----------------------------------------------------------------------------
//* Update Screen
//! This function is called in response to a vsync of the
//! screen where the VI bit in MI_INTR_REG has already been set
//-----------------------------------------------------------------------------
EXPORT void CALL UpdateScreen()
{
    if (g_config.getConfig()->screenUpdateSetting == SCREEN_UPDATE_VI)
        g_graphicsPlugin.drawScreen();
    else if (g_config.getConfig()->screenUpdateSetting == SCREEN_UPDATE_CI)
        g_graphicsPlugin.setDrawScreenSignal();
    else
    {
        Logger::getSingleton().printMsg("Invalid screen update setting!", M64MSG_WARNING);
        g_graphicsPlugin.drawScreen();
    }
}

//-----------------------------------------------------------------------------
//* ProcessDList
//! This function is called when there is a Dlist to be processed. (High level GFX list)
//-----------------------------------------------------------------------------
EXPORT void CALL ProcessDList()
{
    Logger::getSingleton().printMsg("ProcessDList\n");

    try
    {
        g_graphicsPlugin.viStatusChanged();
        g_graphicsPlugin.processDisplayList();
    }
    catch (...)
    {
        Logger::getSingleton().printMsg("Unknown Error processing DisplayList", M64MSG_WARNING); 
        //MessageBox(0, "Unknown Error processing DisplayList", "Arachnoid Graphics Plugin", MB_OK|MB_SETFOREGROUND); 

        g_graphicsPlugin.dispose();
        g_graphicsPlugin.initialize(&g_graphicsInfo);

        //Trigger Interupts
        *(g_graphicsInfo.MI_INTR_REG) |= MI_INTR_DP;
        g_graphicsInfo.CheckInterrupts();
        *(g_graphicsInfo.MI_INTR_REG) |= MI_INTR_SP;
        g_graphicsInfo.CheckInterrupts();    
    }
}

EXPORT m64p_error CALL videoPluginStartup(m64p_dynlib_handle CoreLibHandle, void *Context,
                                   void (*DebugCallback)(void *, int, const char *))
{
    char logMsg[530];
    Logger::getSingleton().initialize(DebugCallback, Context);
    Logger::getSingleton().printMsg("PluginStartup");

    //Read configuration
    if (g_config.initialize())
    {
        g_config.load();
        g_graphicsPlugin.setConfig(g_config.getConfig());
    }

    return M64ERR_SUCCESS;
}

//-----------------------------------------------------------------------------
//* InitiateGFX
//! This function is called when the DLL is started to give
//! information from the emulator that the n64 graphics
//!    uses. This is not called from the emulation thread.
//! @param[in] Gfx_Info Information about rom and emulator
//! @return true on success, FALSE on failure to initialise
//!           
//! @note on interrupts :
//!    To generate an interrupt set the appropriate bit in MI_INTR_REG
//!    and then  the function CheckInterrupts to tell the emulator
//!    that there is a waiting interrupt.
//-----------------------------------------------------------------------------
EXPORT BOOL CALL videoInitiateGFX(GFX_INFO Gfx_Info)
{
    char logMsg[530];
    Logger::getSingleton().initialize(0, 0);
    Logger::getSingleton().printMsg("PluginStartup");

    //Read configuration
//    if (g_config.initialize())
//    {
//        g_config.load();
    g_graphicsPlugin.setConfig(g_config.getConfig());
//    }

    Logger::getSingleton().printMsg("InitiateGFX");

    //Save Graphics Info
    memcpy(&g_graphicsInfo, &Gfx_Info, sizeof(GFX_INFO));
    return true;
}

//-----------------------------------------------------------------------------
//* ReadScreen2
//! This function reads the pixels of the currently displayed screen
//-----------------------------------------------------------------------------
EXPORT void CALL ReadScreen2(void *dest, int *width, int *height, int front)
{
    g_graphicsPlugin.takeScreenshot(dest, width, height, front);
}

//-----------------------------------------------------------------------------
//* ChangeWindow
//! Toggle between fullscreen and window mode
//-----------------------------------------------------------------------------
EXPORT void CALL ChangeWindow()
{
    Logger::getSingleton().printMsg("ChangeWindow\n");
    //Toggle Fullscreen
    g_graphicsPlugin.toggleFullscreen();
}

//-----------------------------------------------------------------------------
//* Rom Closed
//! This function is called when a rom is closed.
//-----------------------------------------------------------------------------
EXPORT void CALL RomClosed()
{
    //Logger::getSingleton().printMsg("RomClosed\n");
    //Destroy 
    g_graphicsPlugin.dispose();
}

//-----------------------------------------------------------------------------
//* Rom Open
//! This function is called when a rom is open. (from the emulation thread)
//-----------------------------------------------------------------------------
EXPORT int CALL RomOpen()
{
    Logger::getSingleton().printMsg("RomOpen\n");
    return g_graphicsPlugin.initialize(&g_graphicsInfo);
}

EXPORT m64p_error CALL PluginStartup(m64p_dynlib_handle CoreLibHandle, void *Context,
                                   void (*DebugCallback)(void *, int, const char *))
{
    char logMsg[530];
    Logger::getSingleton().initialize(DebugCallback, Context);
    Logger::getSingleton().printMsg("PluginStartup");

    /* attach and call the CoreGetAPIVersions function, check Config and Video Extension API versions for compatibility */
    ptr_CoreGetAPIVersions CoreAPIVersionFunc;
    CoreAPIVersionFunc = (ptr_CoreGetAPIVersions) osal_dynlib_getproc(CoreLibHandle, "CoreGetAPIVersions");
    if (CoreAPIVersionFunc == NULL)
    {
        sprintf(logMsg, "Core emulator broken; no CoreAPIVersionFunc() function found.");
        Logger::getSingleton().printMsg(logMsg, M64MSG_ERROR);
        return M64ERR_INCOMPATIBLE;
    }
    int ConfigAPIVersion, DebugAPIVersion, VidextAPIVersion;
    (*CoreAPIVersionFunc)(&ConfigAPIVersion, &DebugAPIVersion, &VidextAPIVersion, NULL);
    if ((ConfigAPIVersion & 0xffff0000) != (CONFIG_API_VERSION & 0xffff0000))
    {
        sprintf(logMsg, "Emulator core Config API (v%i.%i.%i) incompatible with plugin (v%i.%i.%i)",
                VERSION_PRINTF_SPLIT(ConfigAPIVersion), VERSION_PRINTF_SPLIT(CONFIG_API_VERSION));
        Logger::getSingleton().printMsg(logMsg, M64MSG_ERROR);
        return M64ERR_INCOMPATIBLE;
    }
    if ((VidextAPIVersion & 0xffff0000) != (VIDEXT_API_VERSION & 0xffff0000))
    {
        sprintf(logMsg, "Emulator core Video Extension API (v%i.%i.%i) incompatible with plugin (v%i.%i.%i)",
                VERSION_PRINTF_SPLIT(VidextAPIVersion), VERSION_PRINTF_SPLIT(VIDEXT_API_VERSION));
        Logger::getSingleton().printMsg(logMsg, M64MSG_ERROR);
        return M64ERR_INCOMPATIBLE;
    }

    /* Get the core config function pointers from the library handle */
    ConfigOpenSection = (ptr_ConfigOpenSection) osal_dynlib_getproc(CoreLibHandle, "ConfigOpenSection");
    ConfigSetParameter = (ptr_ConfigSetParameter) osal_dynlib_getproc(CoreLibHandle, "ConfigSetParameter");
    ConfigGetParameter = (ptr_ConfigGetParameter) osal_dynlib_getproc(CoreLibHandle, "ConfigGetParameter");
    ConfigSetDefaultInt = (ptr_ConfigSetDefaultInt) osal_dynlib_getproc(CoreLibHandle, "ConfigSetDefaultInt");
    ConfigSetDefaultFloat = (ptr_ConfigSetDefaultFloat) osal_dynlib_getproc(CoreLibHandle, "ConfigSetDefaultFloat");
    ConfigSetDefaultBool = (ptr_ConfigSetDefaultBool) osal_dynlib_getproc(CoreLibHandle, "ConfigSetDefaultBool");
    ConfigSetDefaultString = (ptr_ConfigSetDefaultString) osal_dynlib_getproc(CoreLibHandle, "ConfigSetDefaultString");
    ConfigGetParamInt = (ptr_ConfigGetParamInt) osal_dynlib_getproc(CoreLibHandle, "ConfigGetParamInt");
    ConfigGetParamFloat = (ptr_ConfigGetParamFloat) osal_dynlib_getproc(CoreLibHandle, "ConfigGetParamFloat");
    ConfigGetParamBool = (ptr_ConfigGetParamBool) osal_dynlib_getproc(CoreLibHandle, "ConfigGetParamBool");
    ConfigGetParamString = (ptr_ConfigGetParamString) osal_dynlib_getproc(CoreLibHandle, "ConfigGetParamString");

    ConfigGetSharedDataFilepath = (ptr_ConfigGetSharedDataFilepath) osal_dynlib_getproc(CoreLibHandle, "ConfigGetSharedDataFilepath");
    ConfigGetUserConfigPath = (ptr_ConfigGetUserConfigPath) osal_dynlib_getproc(CoreLibHandle, "ConfigGetUserConfigPath");
    ConfigGetUserDataPath = (ptr_ConfigGetUserDataPath) osal_dynlib_getproc(CoreLibHandle, "ConfigGetUserDataPath");
    ConfigGetUserCachePath = (ptr_ConfigGetUserCachePath) osal_dynlib_getproc(CoreLibHandle, "ConfigGetUserCachePath");

    if (!ConfigOpenSection   || !ConfigSetParameter    || !ConfigGetParameter ||
        !ConfigSetDefaultInt || !ConfigSetDefaultFloat || !ConfigSetDefaultBool || !ConfigSetDefaultString ||
        !ConfigGetParamInt   || !ConfigGetParamFloat   || !ConfigGetParamBool   || !ConfigGetParamString ||
        !ConfigGetSharedDataFilepath || !ConfigGetUserConfigPath || !ConfigGetUserDataPath || !ConfigGetUserCachePath)
    {
        Logger::getSingleton().printMsg("Couldn't connect to Core configuration functions", M64MSG_ERROR);
        return M64ERR_INCOMPATIBLE;
    }

    /* Get the core Video Extension function pointers from the library handle */
    CoreVideo_Init = (ptr_VidExt_Init) osal_dynlib_getproc(CoreLibHandle, "VidExt_Init");
    CoreVideo_Quit = (ptr_VidExt_Quit) osal_dynlib_getproc(CoreLibHandle, "VidExt_Quit");
    CoreVideo_ListFullscreenModes = (ptr_VidExt_ListFullscreenModes) osal_dynlib_getproc(CoreLibHandle, "VidExt_ListFullscreenModes");
    CoreVideo_SetVideoMode = (ptr_VidExt_SetVideoMode) osal_dynlib_getproc(CoreLibHandle, "VidExt_SetVideoMode");
    CoreVideo_SetCaption = (ptr_VidExt_SetCaption) osal_dynlib_getproc(CoreLibHandle, "VidExt_SetCaption");
    CoreVideo_ToggleFullScreen = (ptr_VidExt_ToggleFullScreen) osal_dynlib_getproc(CoreLibHandle, "VidExt_ToggleFullScreen");
    CoreVideo_ResizeWindow = (ptr_VidExt_ResizeWindow) osal_dynlib_getproc(CoreLibHandle, "VidExt_ResizeWindow");
    CoreVideo_GL_GetProcAddress = (ptr_VidExt_GL_GetProcAddress) osal_dynlib_getproc(CoreLibHandle, "VidExt_GL_GetProcAddress");
    CoreVideo_GL_SetAttribute = (ptr_VidExt_GL_SetAttribute) osal_dynlib_getproc(CoreLibHandle, "VidExt_GL_SetAttribute");
    CoreVideo_GL_SwapBuffers = (ptr_VidExt_GL_SwapBuffers) osal_dynlib_getproc(CoreLibHandle, "VidExt_GL_SwapBuffers");

    if (!CoreVideo_Init || !CoreVideo_Quit || !CoreVideo_ListFullscreenModes || !CoreVideo_SetVideoMode ||
        !CoreVideo_SetCaption || !CoreVideo_ToggleFullScreen || !CoreVideo_GL_GetProcAddress ||
        !CoreVideo_GL_SetAttribute || !CoreVideo_GL_SwapBuffers || !CoreVideo_ResizeWindow)
    {
        Logger::getSingleton().printMsg("Couldn't connect to Core video functions", M64MSG_ERROR);
        return M64ERR_INCOMPATIBLE;
    }

    //Read configuration
    if (g_config.initialize())
    {
        g_config.load();
        g_graphicsPlugin.setConfig(g_config.getConfig());
    }

    return M64ERR_SUCCESS;
}