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2dfe276a73
Only initialise OpenGL if the user intends to load it (for real this time) See merge request STJr/SRB2!796
154 lines
3 KiB
C
154 lines
3 KiB
C
// SONIC ROBO BLAST 2
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//-----------------------------------------------------------------------------
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// Copyright (C) 1993-1996 by id Software, Inc.
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// Copyright (C) 1998-2000 by DooM Legacy Team.
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// Copyright (C) 1999-2020 by Sonic Team Junior.
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//
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// This program is free software distributed under the
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// terms of the GNU General Public License, version 2.
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// See the 'LICENSE' file for more details.
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//-----------------------------------------------------------------------------
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/// \file i_video.h
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/// \brief System specific interface stuff.
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#ifndef __I_VIDEO__
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#define __I_VIDEO__
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#include "doomtype.h"
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#ifdef __GNUG__
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#pragma interface
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#endif
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typedef enum
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{
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/// Software
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render_soft = 1,
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/// OpenGL
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render_opengl = 2,
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/// Dedicated
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render_none = 3 // for dedicated server
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} rendermode_t;
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/** \brief current render mode
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*/
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extern rendermode_t rendermode;
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/** \brief OpenGL state
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0 = never loaded, 1 = loaded successfully, -1 = failed loading
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*/
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extern INT32 vid_opengl_state;
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/** \brief use highcolor modes if true
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*/
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extern boolean highcolor;
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/** \brief setup video mode
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*/
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void I_StartupGraphics(void);
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/** \brief shutdown video mode
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*/
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void I_ShutdownGraphics(void);
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/** \brief The I_SetPalette function
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\param palette Takes full 8 bit values
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\return void
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*/
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void I_SetPalette(RGBA_t *palette);
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/** \brief return the number of video modes
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*/
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INT32 VID_NumModes(void);
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/** \brief The VID_GetModeForSize function
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\param w width
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\param h height
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\return vidmode closest to w : h
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*/
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INT32 VID_GetModeForSize(INT32 w, INT32 h);
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/** \brief The VID_SetMode function
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Set the video mode right now,
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the video mode change is delayed until the start of the next refresh
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by setting the setmodeneeded to a value >0
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setup a video mode, this is to be called from the menu
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\param modenum video mode to set to
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\return current video mode
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*/
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INT32 VID_SetMode(INT32 modenum);
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/** \brief Checks the render state
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*/
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void VID_CheckRenderer(void);
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/** \brief Load OpenGL mode
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*/
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void VID_StartupOpenGL(void);
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/** \brief Checks if OpenGL loaded
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*/
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void VID_CheckGLLoaded(rendermode_t oldrender);
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/** \brief The VID_GetModeName function
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\param modenum video mode number
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\return name of video mode
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*/
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const char *VID_GetModeName(INT32 modenum);
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void VID_PrepareModeList(void); /// note hack for SDL
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/** \brief can video system do fullscreen
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*/
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extern boolean allow_fullscreen;
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/** \brief Update video system without updating frame
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*/
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void I_UpdateNoBlit(void);
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/** \brief Update video system with updating frame
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*/
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void I_FinishUpdate(void);
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/** \brief I_FinishUpdate(), but vsync disabled
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*/
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void I_UpdateNoVsync(void);
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/** \brief Wait for vertical retrace or pause a bit.
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\param count max wait
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\return void
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*/
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void I_WaitVBL(INT32 count);
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/** \brief The I_ReadScreen function
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\param scr buffer to copy screen to
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\return void
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*/
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void I_ReadScreen(UINT8 *scr);
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/** \brief Start disk icon
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*/
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void I_BeginRead(void);
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/** \brief Stop disk icon
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*/
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void I_EndRead(void);
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#endif
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