コード例 #1
0
ファイル: vdraw_ddraw.cpp プロジェクト: PhilrocWP/gens
/**
 * vdraw_ddraw_init(): Initialize the DirectDraw video subsystem.
 * @return 0 on success; non-zero on error.
 */
int vdraw_ddraw_init(void)
{
	DDSURFACEDESC2 ddsd;
	
	vdraw_ddraw_end();
	
	mdp_render_t *rendMode = get_mdp_render_t();
	const int scale = rendMode->scale;
	
	// Determine the window size using the scaling factor.
	if (scale <= 0)
		return -1;
	const int w = 320 * scale;
	const int h = 240 * scale;
	
	if (vdraw_get_fullscreen())
	{
		Res_X = w;
		Res_Y = h;
	}
	
	// Return value.
	int rval;
	
	// Initialize DirectDraw.
	// TODO: Initialize DirectDraw on the monitor with most of Gens/GS onscreen.
	LPDIRECTDRAW lpDD_Init;
	rval = DirectDrawCreate(NULL, &lpDD_Init, NULL);
	if (FAILED(rval))
	{
		LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
			"DirectDrawCreate() failed: 0x%08X", rval);
		return -2;
	}
	
	rval = lpDD_Init->QueryInterface(IID_IDirectDraw7, (LPVOID*)&lpDD);
	if (FAILED(rval))
	{
		if (lpDD_Init)
			lpDD_Init->Release();
		
		LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
			"lpDD_Init->QueryInterface(IID_IDirectDraw4) failed: 0x%08X", rval);
		LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
			"This can usually be fixed by upgrading DirectX.");
		return -3;
	}
	
	// Free the DirectDraw initialization object.
	lpDD_Init->Release();
	
	// Set the cooperative level.
	vdraw_ddraw_set_cooperative_level();
	
	// TODO: 15-bit color override. ("Force 555" or "Force 565" in the config file.)
	memset(&ddsd, 0, sizeof(ddsd));
	ddsd.dwSize = sizeof(ddsd);
	
	// TODO: Figure out what FS_No_Res_Change is for.
	// TODO: Figure out if this is correct.
	if (vdraw_get_fullscreen() /* && !FS_No_Res_Change*/)
	{
		// Use the color depth setting.
		// NOTE: "15-bit" color requires 16-bit to be specified.
		rval = lpDD->SetDisplayMode(Res_X, Res_Y, (bppOut == 15 ? 16 : bppOut), 0, 0);
		if (FAILED(rval))
		{
			vdraw_ddraw_free_all(false);
			LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
				"lpDD->SetDisplayMode() failed: 0x%08X", rval);
			
			// If render mode is set to Normal, try using Double instead.
			if (rendMode_FS == RenderMgr::begin() && rendMode_FS != RenderMgr::end())
			{
				LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
					"Renderer is set to Normal; attempting to use Double instead.");
				rendMode_FS++;
				vdraw_set_renderer(rendMode_FS);
				vdraw_text_write("Normal rendering failed. Using Double.", 1500);
				Sync_Gens_Window_GraphicsMenu();
			}
			
			return -4;
		}
	}
	
#if 0
	// Check the current color depth.
	unsigned char newBpp;
	lpDD->GetDisplayMode(&ddsd);
	switch (ddsd.ddpfPixelFormat.dwGBitMask)
	{
		case 0x03E0:
			// 15-bit color.
			newBpp = 15;
			break;
		case 0x07E0:
			// 16-bit color.
			newBpp = 16;
			break;
		case 0x00FF00:
		default:
			// 32-bit color.
			newBpp = 32;
			break;
	}
	
	if (newBpp != bppOut)
		vdraw_set_bpp(newBpp, false);
#endif
	
	// Clear ddsd.
	memset(&ddsd, 0x00, sizeof(ddsd));
	ddsd.dwSize = sizeof(ddsd);
	
	if (vdraw_get_fullscreen() && Video.VSync_FS)
	{
		ddsd.dwFlags = DDSD_CAPS | DDSD_BACKBUFFERCOUNT;
		ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_FLIP | DDSCAPS_COMPLEX;
		ddsd.dwBackBufferCount = 2;
	}
	else
	{
		ddsd.dwFlags = DDSD_CAPS;
		ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;
	}
	
	// Create the primary surface.
	rval = lpDD->CreateSurface(&ddsd, &lpDDS_Primary, NULL);
	if (FAILED(rval))
	{
		vdraw_ddraw_free_all(false);
		LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
			"lpDD->CreateSurface(&lpDDS_Primary) failed: 0x%08X", rval);
		return -5;
	}
	
	if (vdraw_get_fullscreen())
	{
		if (Video.VSync_FS)
		{
			ddsd.ddsCaps.dwCaps = DDSCAPS_BACKBUFFER;
			
			rval = lpDDS_Primary->GetAttachedSurface(&ddsd.ddsCaps, &lpDDS_Flip);
			if (FAILED(rval))
			{
				vdraw_ddraw_free_all(false);
				LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
					"lpDDS_Primary->GetAttachSurface() failed: 0x%08X", rval);
				return -6;
			}
			
			lpDDS_Blit = lpDDS_Flip;
		}
		else
		{
			lpDDS_Blit = lpDDS_Primary;
		}
	}
	else
	{
		rval = lpDD->CreateClipper(0, &lpDDC_Clipper, NULL);
		if (FAILED(rval))
		{
			vdraw_ddraw_free_all(false);
			LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
				"lpDD->CreateClipper() failed: 0x%08X", rval);
			return -7;
		}
		
		rval = lpDDC_Clipper->SetHWnd(0, gens_window);
		if (FAILED(rval))
		{
			vdraw_ddraw_free_all(false);
			LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
				"lpDDC_Clipper->SetHWnd() failed: 0x%08X", rval);
			return -8;
		}
		
		rval = lpDDS_Primary->SetClipper(lpDDC_Clipper);
		if (FAILED(rval))
		{
			vdraw_ddraw_free_all(false);
			LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
				"lpDDC_Primary->SetClipper() failed: 0x%08X", rval);
			return -9;
		}
	}
	
	// Clear ddsd again.
	memset(&ddsd, 0, sizeof(ddsd));
	ddsd.dwSize = sizeof(ddsd);
	ddsd.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH;
	
	// Determine the width and height.
	// NOTE: For DirectDraw, the actual 336 width is used.
	if (vdraw_ddraw_is_hw_render())
	{
		// Normal render mode. 320x240 [336x240]
		ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_SYSTEMMEMORY;
		ddsd.dwWidth = 336;
		ddsd.dwHeight = 240;
	}
	else
	{
		// Larger than 1x.
		ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_VIDEOMEMORY;
		ddsd.dwWidth = w;
		ddsd.dwHeight = h;
	}
	
	// Set the pixel format.
	ddsd.dwFlags |= DDSD_PIXELFORMAT;
	ddsd.ddpfPixelFormat.dwSize = sizeof(ddsd.ddpfPixelFormat);
	ddsd.ddpfPixelFormat.dwFlags = DDPF_RGB;
	ddsd.ddpfPixelFormat.dwFourCC = 0; // RGB
	ddsd.ddpfPixelFormat.dwRGBAlphaBitMask = 0;
	
	// Bits per component.
	switch (bppOut)
	{
		case 15:
			// 15-bit color. (555)
			ddsd.ddpfPixelFormat.dwRGBBitCount = 16;
			ddsd.ddpfPixelFormat.dwRBitMask = 0x7C00;
			ddsd.ddpfPixelFormat.dwGBitMask = 0x03E0;
			ddsd.ddpfPixelFormat.dwBBitMask = 0x001F;
			break;
		
		case 16:
			// 16-bit color. (555)
			ddsd.ddpfPixelFormat.dwRGBBitCount = 16;
			ddsd.ddpfPixelFormat.dwRBitMask = 0xF800;
			ddsd.ddpfPixelFormat.dwGBitMask = 0x07E0;
			ddsd.ddpfPixelFormat.dwBBitMask = 0x001F;
			break;
		
		case 32:
		default:
			// 32-bit color.
			ddsd.ddpfPixelFormat.dwRGBBitCount = 32;
			ddsd.ddpfPixelFormat.dwRBitMask = 0xFF0000;
			ddsd.ddpfPixelFormat.dwGBitMask = 0x00FF00;
			ddsd.ddpfPixelFormat.dwBBitMask = 0x0000FF;
			break;
	}
	
	// Create the back surface.
	rval = lpDD->CreateSurface(&ddsd, &lpDDS_Back, NULL);
	if (FAILED(rval))
	{
		// Failed to create the back surface.
		// If we attempted to create it in video memory, try system memory instead.
		if (ddsd.ddsCaps.dwCaps & DDSCAPS_VIDEOMEMORY)
		{
			LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
				"lpDD->CreateSurface(&lpDDS_Back, DDSCAPS_VIDEOMEMORY) failed: 0x%08X", rval);
			LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
				"Attempting to use DDSCAPS_SYSTEMMEMORY instead.");
			ddsd.ddsCaps.dwCaps &= ~DDSCAPS_VIDEOMEMORY;
			ddsd.ddsCaps.dwCaps |= DDSCAPS_SYSTEMMEMORY;
			rval = lpDD->CreateSurface(&ddsd, &lpDDS_Back, NULL);
			if (FAILED(rval))
			{
				// Failed to create the back surface in system memory.
				vdraw_ddraw_free_all(false);
				LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
					"lpDD->CreateSurface(&lpDDS_Back, DDSCAPS_SYSTEMMEMORY) failed: 0x%08X", rval);
				return -10;
			}
		}
		else
		{
			vdraw_ddraw_free_all(false);
			LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
				"lpDD->CreateSurface(&lpDDS_Back, DDSCAPS_SYSTEMMEMORY) failed: 0x%08X", rval);
			return -11;
		}
	}
	
	// TODO: Check if this is right.
	// I think this might be causing the frame counter flicker in full screen mode.
	//if (!vdraw_get_fullscreen() || (rendMode >= 1 && (/*FS_No_Res_Change ||*/ Res_X != 640 || Res_Y != 480)))
	if (!vdraw_get_fullscreen() || !vdraw_ddraw_is_hw_render())
		lpDDS_Blit = lpDDS_Back;
	
	if (vdraw_ddraw_is_hw_render())
	{
		// Normal rendering mode uses MD_Screen directly.
		memset(&ddsd, 0, sizeof(ddsd));
		ddsd.dwSize = sizeof(ddsd);
		
		// TODO: This causes issues if the selected color depth isn't the
		// same as the desktop color depth. This only affects windowed mode,
		// since in fullscreen, the desktop color depth is changed.
		rval = lpDDS_Back->GetSurfaceDesc(&ddsd);
		if (FAILED(rval))
		{
			vdraw_ddraw_free_all(false);
			LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
				"lpDDS_Back->GetSurfaceDesc() failed: 0x%08X", rval);
			return -12;
		}
		
		ddsd.dwFlags = DDSD_WIDTH | DDSD_HEIGHT | DDSD_PITCH | DDSD_LPSURFACE | DDSD_PIXELFORMAT;
		ddsd.dwWidth = 336;
		ddsd.dwHeight = 240;
		
		if (ddsd.ddpfPixelFormat.dwRGBBitCount > 16)
		{
			// 32-bit color.
			ddsd.lpSurface = MD_Screen.u32;
			ddsd.lPitch = 336 * 4;
		}
		else
		{
			// 15-bit or 16-bit color.
			ddsd.lpSurface = MD_Screen.u16;
			ddsd.lPitch = 336 * 2;
		}
		
		rval = lpDDS_Back->SetSurfaceDesc(&ddsd, 0);
		if (FAILED(rval))
		{
			vdraw_ddraw_free_all(false);
			LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
				"lpDDS_Back->SetSurfaceDesc() failed: 0x%08X", rval);
			return -13;
		}
	}
	
	// Initialize the destination rectangle.
	vdraw_ddraw_adjust_RectDest();
	
	// Reset the render mode.
	vdraw_reset_renderer(false);
	
	// Synchronize menus.
	Sync_Gens_Window();
	
	// vdraw_ddraw initialized.
	return 0;
}
コード例 #2
0
//-----------------------------------------------------------------------------
// Name: dx_Initialise (...)
// Desc: Initialise et configure DirectX (DirectDraw)
//-----------------------------------------------------------------------------
bool dx_Initialise (uint8  pNombreSurfaces,
                    HWND   pFenetre,
                    uint16 pResolutionX,
                    uint16 pResolutionY,
                    uint16 pBitsParPixel,
                    uint16 pFrequence,
                    bool   pPleinEcran,
                    bool   pTailleFenetre,
                    void   (*pRestaure)())
{
    // InitialiseDX a déjà été appelé

    if (DirectDraw7 != NULL) {
        return dx_Finalise (ERR_NO_UTILISATEUR);
    }

    dx_InitVars ();

    // Initialise toutes les variables

    Fenetre = pFenetre;

    NombreSurfaces = pNombreSurfaces;

    ResolutionX   = pResolutionX;
    ResolutionY   = pResolutionY;
    BitsParPixel  = pBitsParPixel;
    Frequence     = pFrequence;
    PleinEcran    = pPleinEcran;
    TailleFenetre = pTailleFenetre;

    Restaure = pRestaure;

    Surfaces = new LPDIRECTDRAWSURFACE7[NombreSurfaces];

    // Initialisation de directdraw

    ErrDd = DirectDrawCreateEx (0,(LPVOID*)&DirectDraw7,IID_IDirectDraw7,0);

    if (ErrDd != DD_OK) return dx_Finalise (ERR_NO_CREATION);

    ModeCoop = PleinEcran ? COOP_PLEIN_ECRAN : COOP_FENETRE;

    // Utilisation de la résolution active ou donnée

    if (ResolutionX  == 0 || ResolutionY == 0 ||
            BitsParPixel == 0 || Frequence   == 0)
    {
        DDSURFACEDESC2 ModeActif;
        ZeroMemory (&ModeActif, sizeof(ModeActif));
        ModeActif.dwSize = sizeof(ModeActif);

        ErrDd = DirectDraw7->GetDisplayMode (&ModeActif);

        if (ErrDd != DD_OK) return dx_Finalise (ERR_NO_MODE_ACTIF);

        if (ResolutionX  == 0) ResolutionX = ModeActif.dwWidth;
        if (ResolutionY  == 0) ResolutionY = ModeActif.dwHeight;
        if (BitsParPixel == 0) BitsParPixel = ModeActif.
                                                  ddpfPixelFormat.dwRGBBitCount;
        if (Frequence == 0) Frequence = ModeActif.dwRefreshRate;
    }

    // Sélection du mode de coopération

    ErrDd = DirectDraw7->SetCooperativeLevel (Fenetre, ModeCoop);

    if (ErrDd != DD_OK) return dx_Finalise (ERR_NO_COOPERATION);

    ErrDd = DirectDraw7->SetDisplayMode (ResolutionX,
                                         ResolutionY,BitsParPixel,0,0);

    if (ErrDd != DD_OK) return dx_Finalise (ERR_NO_MODE_AFFICHAGE);

    // Création des surfaces d'affichage

    SurfaceDesc.dwFlags = DDSD_CAPS;
    SurfaceDesc.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;

    if (PleinEcran)
    {   // Surface avec backbuffer
        SurfaceDesc.dwFlags	|= DDSD_BACKBUFFERCOUNT;
        SurfaceDesc.ddsCaps.dwCaps |= DDSCAPS_FLIP | DDSCAPS_COMPLEX;
        SurfaceDesc.dwBackBufferCount = 1;
    }

    ErrDd = DirectDraw7->CreateSurface (&SurfaceDesc,&SurfacePrimaire,NULL);

    if (ErrDd != DD_OK) return dx_Finalise (ERR_NO_PRIMAIRE);

    if (PleinEcran)
    {
        SurfaceCaps.dwCaps = DDSCAPS_BACKBUFFER;

        ErrDd = SurfacePrimaire->GetAttachedSurface (&SurfaceCaps,&SurfaceBack);

        if (ErrDd != DD_OK) return dx_Finalise (ERR_NO_BACKBUFFER);
    }
    else
    {
        // Surface avec clipper pour dessiner que dans la fenêtre
        ErrDd = DirectDraw7->CreateClipper (0, &SurfaceClipper, NULL);

        if (ErrDd != DD_OK) return dx_Finalise (ERR_NO_CLIPPER);

        // Coordonnées de la fenêtre dans le clipper
        ErrDd = SurfaceClipper->SetHWnd (0, Fenetre);

        if (ErrDd != DD_OK) return dx_Finalise (ERR_NO_CLIPPER_HWND);

        // Attache le clipper à la surface primaire
        ErrDd = SurfacePrimaire->SetClipper (SurfaceClipper);

        if (ErrDd != DD_OK) return dx_Finalise (ERR_NO_CLIPPER_PRIMAIRE);

        ZeroMemory (&SurfaceDesc, sizeof(SurfaceDesc));
        SurfaceDesc.dwSize = sizeof(SurfaceDesc);
        SurfaceDesc.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH;
        SurfaceDesc.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN;
        SurfaceDesc.dwWidth  = ResolutionX;
        SurfaceDesc.dwHeight = ResolutionY;

        // Création du backbuffer séparément
        ErrDd = DirectDraw7->CreateSurface (&SurfaceDesc,&SurfaceBack,NULL);

        if (ErrDd != DD_OK) return dx_Finalise (ERR_NO_BACKBUFFER);
    }

    if (PleinEcran) ShowCursor (false);

    return true;
}