mirror of
https://github.com/w23/xash3d-fwgs
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185 lines
4.5 KiB
C
185 lines
4.5 KiB
C
/*
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vid_common.c - common vid component
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Copyright (C) 2018 a1batross, Uncle Mike
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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*/
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#include "common.h"
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#include "client.h"
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#include "mod_local.h"
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#include "input.h"
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#include "vid_common.h"
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#include "platform/platform.h"
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#define WINDOW_NAME XASH_ENGINE_NAME " Window" // Half-Life
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convar_t *vid_displayfrequency;
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convar_t *vid_fullscreen;
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convar_t *vid_brightness;
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convar_t *vid_gamma;
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convar_t *vid_highdpi;
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glwstate_t glw_state;
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convar_t *window_xpos;
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convar_t *window_ypos;
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/*
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=================
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VID_StartupGamma
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=================
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*/
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void VID_StartupGamma( void )
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{
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BuildGammaTable( vid_gamma->value, vid_brightness->value );
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Con_Reportf( "VID_StartupGamma: gamma %g brightness %g\n", vid_gamma->value, vid_brightness->value );
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ClearBits( vid_brightness->flags, FCVAR_CHANGED );
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ClearBits( vid_gamma->flags, FCVAR_CHANGED );
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}
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/*
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=================
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VID_InitDefaultResolution
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=================
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*/
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void VID_InitDefaultResolution( void )
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{
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// we need to have something valid here
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// until video subsystem initialized
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refState.width = 640;
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refState.height = 480;
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}
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/*
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=================
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R_SaveVideoMode
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=================
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*/
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void R_SaveVideoMode( int w, int h )
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{
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refState.width = w;
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refState.height = h;
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host.window_center_x = w / 2;
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host.window_center_y = h / 2;
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Cvar_SetValue( "width", w );
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Cvar_SetValue( "height", h );
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// check for 4:3 or 5:4
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if( w * 3 != h * 4 && w * 4 != h * 5 )
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refState.wideScreen = true;
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else refState.wideScreen = false;
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}
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/*
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=================
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VID_GetModeString
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=================
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*/
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const char *VID_GetModeString( int vid_mode )
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{
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vidmode_t *vidmode;
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if( vid_mode < 0 || vid_mode > R_MaxVideoModes() )
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return NULL;
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if( !( vidmode = R_GetVideoMode( vid_mode ) ) )
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return NULL;
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return vidmode->desc;
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}
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/*
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==================
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VID_CheckChanges
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check vid modes and fullscreen
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==================
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*/
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void VID_CheckChanges( void )
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{
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if( FBitSet( cl_allow_levelshots->flags, FCVAR_CHANGED ))
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{
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//GL_FreeTexture( cls.loadingBar );
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SCR_RegisterTextures(); // reload 'lambda' image
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ClearBits( cl_allow_levelshots->flags, FCVAR_CHANGED );
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}
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if( host.renderinfo_changed )
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{
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if( VID_SetMode( ))
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{
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SCR_VidInit(); // tell the client.dll what vid_mode has changed
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}
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else
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{
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Sys_Error( "Can't re-initialize video subsystem\n" );
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}
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host.renderinfo_changed = false;
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}
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}
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static void VID_Mode_f( void )
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{
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int w, h;
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switch( Cmd_Argc() )
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{
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case 2:
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{
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vidmode_t *vidmode;
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vidmode = R_GetVideoMode( Q_atoi( Cmd_Argv( 1 )) );
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if( !vidmode )
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{
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Con_Print( S_ERROR "unable to set mode, backend returned null" );
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return;
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}
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w = vidmode->width;
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h = vidmode->height;
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break;
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}
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case 3:
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{
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w = Q_atoi( Cmd_Argv( 1 ));
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h = Q_atoi( Cmd_Argv( 2 ));
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break;
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}
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default:
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Msg( S_USAGE "vid_mode <modenum>|<width height>\n" );
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return;
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}
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R_ChangeDisplaySettings( w, h, Cvar_VariableInteger( "fullscreen" ) );
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}
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void VID_Init( void )
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{
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// system screen width and height (don't suppose for change from console at all)
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Cvar_Get( "width", "0", FCVAR_RENDERINFO|FCVAR_VIDRESTART, "screen width" );
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Cvar_Get( "height", "0", FCVAR_RENDERINFO|FCVAR_VIDRESTART, "screen height" );
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window_xpos = Cvar_Get( "_window_xpos", "130", FCVAR_RENDERINFO, "window position by horizontal" );
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window_ypos = Cvar_Get( "_window_ypos", "48", FCVAR_RENDERINFO, "window position by vertical" );
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vid_gamma = Cvar_Get( "gamma", "2.5", FCVAR_ARCHIVE, "gamma amount" );
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vid_brightness = Cvar_Get( "brightness", "0.0", FCVAR_ARCHIVE, "brightness factor" );
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vid_displayfrequency = Cvar_Get ( "vid_displayfrequency", "0", FCVAR_RENDERINFO|FCVAR_VIDRESTART, "fullscreen refresh rate" );
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vid_fullscreen = Cvar_Get( "fullscreen", "0", FCVAR_RENDERINFO|FCVAR_VIDRESTART, "enable fullscreen mode" );
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vid_highdpi = Cvar_Get( "vid_highdpi", "1", FCVAR_RENDERINFO|FCVAR_VIDRESTART, "enable High-DPI mode" );
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// a1ba: planned to be named vid_mode for compability
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// but supported mode list is filled by backends, so numbers are not portable any more
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Cmd_AddCommand( "vid_setmode", VID_Mode_f, "display video mode" );
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R_Init(); // init renderer
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}
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