Games/Doom/v_video.h

   1 // Emacs style mode select   -*- C++ -*-
   2 //-----------------------------------------------------------------------------
   3 //
   4 // $Id$
   5 //
   6 // Copyright (C) 1993-1996 by id Software, Inc.
   7 //
   8 // This source is available for distribution and/or modification
   9 // only under the terms of the DOOM Source Code License as
  10 // published by id Software. All rights reserved.
  11 //
  12 // The source is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License
  15 // for more details.
  16 //
  17 // DESCRIPTION:
  18 //      Gamma correction LUT.
  19 //      Functions to draw patches (by post) directly to screen.
  20 //      Functions to blit a block to the screen.
  21 //
  22 //-----------------------------------------------------------------------------
  23
  24
  25 #ifndef __V_VIDEO__
  26 #define __V_VIDEO__
  27
  28 #include "doomtype.h"
  29
  30 #include "doomdef.h"
  31
  32 // Needed because we are refering to patches.
  33 #include "r_data.h"
  34
  35 //
  36 // VIDEO
  37 //
  38
  39 #define CENTERY                 (SCREENHEIGHT/2)
  40
  41
  42 // Screen 0 is the screen updated by I_Update screen.
  43 // Screen 1 is an extra buffer.
  44
  45
  46
  47 extern  byte*           screens[5];
  48
  49 extern  int     dirtybox[4];
  50
  51 extern  byte    gammatable[5][256];
  52 extern  int     usegamma;
  53
  54
  55
  56 // Allocates buffer screens, call before R_Init.
  57 void V_Init (void);
  58
  59
  60 void
  61 V_CopyRect
  62 ( int           srcx,
  63   int           srcy,
  64   int           srcscrn,
  65   int           width,
  66   int           height,
  67   int           destx,
  68   int           desty,
  69   int           destscrn );
  70
  71 void
  72 V_DrawPatch
  73 ( int           x,
  74   int           y,
  75   int           scrn,
  76   patch_t*      patch);
  77
  78 void
  79 V_DrawPatchDirect
  80 ( int           x,
  81   int           y,
  82   int           scrn,
  83   patch_t*      patch );
  84
  85
  86 void    //stretches bitmap to fill screen
  87 V_DrawPatchInDirect
  88 ( int           x,
  89   int           y,
  90   int           scrn,
  91   patch_t*      patch   );
  92
  93 void    //stretches bitmap to fill screen
  94 V_DrawPatchInDirectFlipped
  95 ( int           x,
  96   int           y,
  97   int           scrn,
  98   patch_t*      patch   );
  99
 100 // Draw a linear block of pixels into the view buffer.
 101 void
 102 V_DrawBlock
 103 ( int           x,
 104   int           y,
 105   int           scrn,
 106   int           width,
 107   int           height,
 108   byte*         src );
 109
 110 // Reads a linear block of pixels into the view buffer.
 111 void
 112 V_GetBlock
 113 ( int           x,
 114   int           y,
 115   int           scrn,
 116   int           width,
 117   int           height,
 118   byte*         dest );
 119
 120
 121 //void
 122 //V_MarkRect
 123 //( int         x,
 124 //  int         y,
 125 //  int         width,
 126 //  int         height );
 127
 128 #endif
 129 //-----------------------------------------------------------------------------
 130 //
 131 // $Log$
 132 // Revision 1.1  2000/02/29 18:21:07  stegerg
 133 // Doom port based on ADoomPPC. Read README.AROS!
 134 //
 135 //
 136 //-----------------------------------------------------------------------------