223 lines
6.0 KiB
C
223 lines
6.0 KiB
C
// SONIC ROBO BLAST 2
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//-----------------------------------------------------------------------------
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// Copyright (C) 1998-2000 by DooM Legacy Team.
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// Copyright (C) 1999-2021 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 screen.h
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/// \brief Handles multiple resolutions, 8bpp/16bpp(highcolor) modes
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#ifndef __SCREEN_H__
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#define __SCREEN_H__
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#include "command.h"
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#if defined (_WIN32) && !defined (__CYGWIN__)
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#define RPC_NO_WINDOWS_H
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#include <windows.h>
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#define DNWH HWND
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#else
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#define DNWH void * // unused in DOS version
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#endif
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// quickhack for V_Init()... to be cleaned up
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#ifdef NOPOSTPROCESSING
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#define NUMSCREENS 2
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#else
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#define NUMSCREENS 5
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#endif
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// Size of statusbar.
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#define ST_HEIGHT 32
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#define ST_WIDTH 320
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// used now as a maximum video mode size for extra vesa modes.
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// we try to re-allocate a minimum of buffers for stability of the memory,
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// so all the small-enough tables based on screen size, are allocated once
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// and for all at the maximum size.
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#define MAXVIDWIDTH 1920 // don't set this too high because actually
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#define MAXVIDHEIGHT 1200 // lots of tables are allocated with the MAX size.
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#define BASEVIDWIDTH 320 // NEVER CHANGE THIS! This is the original
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#define BASEVIDHEIGHT 200 // resolution of the graphics.
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// global video state
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typedef struct viddef_s
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{
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INT32 modenum; // vidmode num indexes videomodes list
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UINT8 *buffer; // invisible screens buffer
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size_t rowbytes; // bytes per scanline of the VIDEO mode
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INT32 width; // PIXELS per scanline
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INT32 height;
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union { // don't need numpages for OpenGL, so we can use it for fullscreen/windowed mode
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INT32 numpages; // always 1, page flipping todo
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INT32 windowed; // windowed or fullscren mode?
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} u;
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INT32 recalc; // if true, recalc vid-based stuff
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UINT8 *direct; // linear frame buffer, or vga base mem.
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INT32 dupx, dupy; // scale 1, 2, 3 value for menus & overlays
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INT32/*fixed_t*/ fdupx, fdupy; // same as dupx, dupy, but exact value when aspect ratio isn't 320/200
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INT32 bpp; // BYTES per pixel: 1 = 256color, 2 = highcolor
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INT32 baseratio; // Used to get the correct value for lighting walls
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// for Win32 version
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DNWH WndParent; // handle of the application's window
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UINT8 smalldupx, smalldupy; // factor for a little bit of scaling
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UINT8 meddupx, meddupy; // factor for moderate, but not full, scaling
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#ifdef HWRENDER
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INT32/*fixed_t*/ fsmalldupx, fsmalldupy;
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INT32/*fixed_t*/ fmeddupx, fmeddupy;
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INT32 glstate;
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#endif
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} viddef_t;
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enum
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{
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VID_GL_LIBRARY_NOTLOADED = 0,
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VID_GL_LIBRARY_LOADED = 1,
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VID_GL_LIBRARY_ERROR = -1,
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};
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// internal additional info for vesa modes only
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typedef struct
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{
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INT32 vesamode; // vesa mode number plus LINEAR_MODE bit
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void *plinearmem; // linear address of start of frame buffer
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} vesa_extra_t;
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// a video modes from the video modes list,
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// note: video mode 0 is always standard VGA320x200.
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typedef struct vmode_s
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{
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struct vmode_s *pnext;
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char *name;
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UINT32 width, height;
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UINT32 rowbytes; // bytes per scanline
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UINT32 bytesperpixel; // 1 for 256c, 2 for highcolor
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INT32 windowed; // if true this is a windowed mode
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INT32 numpages;
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vesa_extra_t *pextradata; // vesa mode extra data
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#ifdef _WIN32
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INT32 (WINAPI *setmode)(viddef_t *lvid, struct vmode_s *pcurrentmode);
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#else
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INT32 (*setmode)(viddef_t *lvid, struct vmode_s *pcurrentmode);
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#endif
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INT32 misc; // misc for display driver (r_opengl.dll etc)
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} vmode_t;
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#define NUMSPECIALMODES 4
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extern vmode_t specialmodes[NUMSPECIALMODES];
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// ---------------------------------------------
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// color mode dependent drawer function pointers
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// ---------------------------------------------
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#define BASEDRAWFUNC 0
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enum
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{
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COLDRAWFUNC_BASE = BASEDRAWFUNC,
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COLDRAWFUNC_FUZZY,
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COLDRAWFUNC_TRANS,
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COLDRAWFUNC_SHADE,
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COLDRAWFUNC_SHADOWED,
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COLDRAWFUNC_TRANSTRANS,
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COLDRAWFUNC_TWOSMULTIPATCH,
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COLDRAWFUNC_TWOSMULTIPATCHTRANS,
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COLDRAWFUNC_FOG,
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COLDRAWFUNC_MAX
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};
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extern void (*colfunc)(void);
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extern void (*colfuncs[COLDRAWFUNC_MAX])(void);
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enum
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{
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SPANDRAWFUNC_BASE = BASEDRAWFUNC,
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SPANDRAWFUNC_TRANS,
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SPANDRAWFUNC_TILTED,
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SPANDRAWFUNC_TILTEDTRANS,
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SPANDRAWFUNC_SPLAT,
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SPANDRAWFUNC_TRANSSPLAT,
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SPANDRAWFUNC_TILTEDSPLAT,
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SPANDRAWFUNC_SPRITE,
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SPANDRAWFUNC_TRANSSPRITE,
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SPANDRAWFUNC_TILTEDSPRITE,
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SPANDRAWFUNC_TILTEDTRANSSPRITE,
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SPANDRAWFUNC_WATER,
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SPANDRAWFUNC_TILTEDWATER,
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SPANDRAWFUNC_FOG,
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SPANDRAWFUNC_MAX
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};
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extern void (*spanfunc)(void);
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extern void (*spanfuncs[SPANDRAWFUNC_MAX])(void);
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extern void (*spanfuncs_npo2[SPANDRAWFUNC_MAX])(void);
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// -----
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// CPUID
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// -----
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extern boolean R_ASM;
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extern boolean R_486;
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extern boolean R_586;
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extern boolean R_MMX;
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extern boolean R_3DNow;
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extern boolean R_MMXExt;
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extern boolean R_SSE2;
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// ----------------
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// screen variables
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// ----------------
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extern viddef_t vid;
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extern INT32 setmodeneeded; // mode number to set if needed, or 0
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extern UINT8 setrenderneeded;
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void SCR_ChangeRenderer(void);
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extern CV_PossibleValue_t cv_renderer_t[];
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extern INT32 scr_bpp;
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extern UINT8 *scr_borderpatch; // patch used to fill the view borders
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extern consvar_t cv_scr_width, cv_scr_height, cv_scr_depth, cv_renderview, cv_renderer, cv_fullscreen;
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// wait for page flipping to end or not
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extern consvar_t cv_vidwait;
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// Initialize the screen
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void SCR_Startup(void);
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// Change video mode, only at the start of a refresh.
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void SCR_SetMode(void);
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// Set drawer functions for Software
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void SCR_SetDrawFuncs(void);
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// Recalc screen size dependent stuff
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void SCR_Recalc(void);
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// Check parms once at startup
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void SCR_CheckDefaultMode(void);
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// Set the mode number which is saved in the config
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void SCR_SetDefaultMode(void);
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FUNCMATH boolean SCR_IsAspectCorrect(INT32 width, INT32 height);
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// move out to main code for consistency
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void SCR_DisplayTicRate(void);
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void SCR_ClosedCaptions(void);
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void SCR_DisplayLocalPing(void);
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void SCR_DisplayMarathonInfo(void);
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#undef DNWH
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#endif //__SCREEN_H__
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