The DOOM sources as originally released on December 23, 1997

linuxdoom-1.10/v_video.h

@@ -0,0 +1,119 @@
+// 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:
+//	Gamma correction LUT.
+//	Functions to draw patches (by post) directly to screen.
+//	Functions to blit a block to the screen.
+//
+//-----------------------------------------------------------------------------
+
+
+#ifndef __V_VIDEO__
+#define __V_VIDEO__
+
+#include "doomtype.h"
+
+#include "doomdef.h"
+
+// Needed because we are refering to patches.
+#include "r_data.h"
+
+//
+// VIDEO
+//
+
+#define CENTERY			(SCREENHEIGHT/2)
+
+
+// Screen 0 is the screen updated by I_Update screen.
+// Screen 1 is an extra buffer.
+
+
+
+extern	byte*		screens[5];
+
+extern  int	dirtybox[4];
+
+extern	byte	gammatable[5][256];
+extern	int	usegamma;
+
+
+
+// Allocates buffer screens, call before R_Init.
+void V_Init (void);
+
+
+void
+V_CopyRect
+( int		srcx,
+  int		srcy,
+  int		srcscrn,
+  int		width,
+  int		height,
+  int		destx,
+  int		desty,
+  int		destscrn );
+
+void
+V_DrawPatch
+( int		x,
+  int		y,
+  int		scrn,
+  patch_t*	patch);
+
+void
+V_DrawPatchDirect
+( int		x,
+  int		y,
+  int		scrn,
+  patch_t*	patch );
+
+
+// Draw a linear block of pixels into the view buffer.
+void
+V_DrawBlock
+( int		x,
+  int		y,
+  int		scrn,
+  int		width,
+  int		height,
+  byte*		src );
+
+// Reads a linear block of pixels into the view buffer.
+void
+V_GetBlock
+( int		x,
+  int		y,
+  int		scrn,
+  int		width,
+  int		height,
+  byte*		dest );
+
+
+void
+V_MarkRect
+( int		x,
+  int		y,
+  int		width,
+  int		height );
+
+#endif
+//-----------------------------------------------------------------------------
+//
+// $Log:$
+//
+//-----------------------------------------------------------------------------