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  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. //      System specific interface stuff.
  19. //
  20. //-----------------------------------------------------------------------------
  21.  
  22.  
  23. #ifndef __I_VIDEO__
  24. #define __I_VIDEO__
  25.  
  26.  
  27. #include "doomtype.h"
  28.  
  29. #ifdef __GNUG__
  30. #pragma interface
  31. #endif
  32.  
  33.  
  34. // Called by D_DoomMain,
  35. // determines the hardware configuration
  36. // and sets up the video mode
  37. void I_InitGraphics (void);
  38.  
  39.  
  40. void I_ShutdownGraphics(void);
  41.  
  42. // Takes full 8 bit values.
  43. void I_SetPalette (byte* palette);
  44.  
  45. void I_UpdateNoBlit (void);
  46. void I_FinishUpdate (void);
  47.  
  48. // Wait for vertical retrace or pause a bit.
  49. void I_WaitVBL(int count);
  50.  
  51. void I_ReadScreen (byte* scr);
  52.  
  53. void I_BeginRead (void);
  54. void I_EndRead (void);
  55.  
  56.  
  57.  
  58. #endif
  59. //-----------------------------------------------------------------------------
  60. //
  61. // $Log:$
  62. //
  63. //-----------------------------------------------------------------------------
  64.