- Added vid_asyncblit for Linux and OS X. It defaults to true and sets SDL_AYNCBLIT on the frame buffer. This allows for ZDoom to obtain ~100% CPU usage with an uncapped frame rate on Linux like it should. (Not sure if it does anything for OS X yet.) It also makes uncapped play smoothly for me (as long as the frame rate is >= 2*refresh rate), but I'm not sure if capped feels more jittery or not. I could use some feedback here. Do note that vid_asyncblit requires a restart after the value is changed.

src/sdl/i_video.h

@@ -1,64 +0,0 @@
-// Emacs style mode select   -*- C++ -*- 
-//-----------------------------------------------------------------------------
-//
-// $Id:$
-//
-// Copyright (C) 1993-1996 by id Software, Inc.
-//
-// This source is available for distribution and/or modification
-// only under the terms of the DOOM Source Code License as
-// published by id Software. All rights reserved.
-//
-// The source is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License
-// for more details.
-//
-// DESCRIPTION:
-//		System specific interface stuff.
-//
-//-----------------------------------------------------------------------------
-
-
-#ifndef __I_VIDEO_H__
-#define __I_VIDEO_H__
-
-#include "basictypes.h"
-
-class DCanvas;
-
-// [RH] Set the display mode
-void I_SetMode (int &width, int &height, int &bits);
-
-// Takes full 8 bit values.
-void I_SetPalette (DWORD *palette);
-
-void I_BeginUpdate (void);		// [RH] Locks screen[0]
-void I_FinishUpdate (void);
-void I_FinishUpdateNoBlit (void);
-
-// Wait for vertical retrace or pause a bit.
-void I_WaitVBL(int count);
-
-void I_ReadScreen (BYTE *scr);
-
-bool I_CheckResolution (int width, int height, int bits);
-void I_ClosestResolution (int *width, int *height, int bits);
-bool I_SetResolution (int width, int height, int bits);
-
-bool I_AllocateScreen (DCanvas *canvas, int width, int height, int bits);
-void I_FreeScreen (DCanvas *canvas);
-
-void I_LockScreen (DCanvas *canvas);
-void I_UnlockScreen (DCanvas *canvas);
-void I_Blit (DCanvas *from, int srcx, int srcy, int srcwidth, int srcheight,
-			 DCanvas *to, int destx, int desty, int destwidth, int destheight);
-
-enum EDisplayType
-{
-	DISPLAY_WindowOnly,
-	DISPLAY_FullscreenOnly,
-	DISPLAY_Both
-};
-
-#endif // __I_VIDEO_H__