/*
* Descent 3
* Copyright (C) 2024 Parallax Software
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
--- HISTORICAL COMMENTS FOLLOW ---
* $Logfile: /DescentIII/Main/renderer/lnxscreenmode.cpp $
* $Revision: 1.6 $
* $Date: 2000/06/29 18:48:13 $
* $Author: icculus $
*
*
*
* $Log: lnxscreenmode.cpp,v $
* Revision 1.6 2000/06/29 18:48:13 icculus
* Dumb typo fixed.
*
* Revision 1.5 2000/06/29 06:41:24 icculus
* mad commits.
*
* Revision 1.4 2000/06/24 01:15:15 icculus
* patched to compile.
*
* Revision 1.3 2000/05/29 05:25:57 icculus
* Command line fix: Changed "--nofullscreen" to "--windowed" (or "-w").
*
* Revision 1.2 2000/04/28 20:25:51 icculus
* Updates, cleanups, and SDLification.
*
* Revision 1.1.1.1 2000/04/18 00:00:49 icculus
* initial checkin
*
*
* 4 9/09/99 4:38p Jeff
* fixed crashes if lib not loaded
*
* 3 9/06/99 9:21p Jeff
* lock video mode switching, don't set viewport when restoring (causing a
* bunch of screen garbage)
*
* 2 9/05/99 9:41p Jeff
* first checkin of Linux Screen manager
*
* $NoKeywords: $
*/
#include
#include
#include
#include "lnxscreenmode.h"
#include "pserror.h"
#include "args.h"
CLnxVideoModes LinuxVideoMode;
/*
typedef Bool (*VidModeQueryExtension_fp)(Display* dpy,int* event_base,int* error_base);
typedef Bool (*VidModeGetAllModeLines_fp)(Display* dpy,int screen,int* modecount,XF86VidModeModeInfo*** modelinesPtr);
typedef Bool (*VidModeSwitchToMode_fp)(Display* dpy,int screen,XF86VidModeModeInfo* modeline);
typedef Bool (*VidModeSetViewPort_fp)(Display* dpy,int screen,int x,int y);
typedef void (*VidModeFreeData_fp)(int num_modes,XF86VidModeModeInfo** modelinePtr);
typedef Bool (*VidModeGetModeLine_fp)(Display* dpy,int screen,int* dotclock,XF86VidModeModeLine* modeline);
typedef Bool (*VidModeLockModeSwitch_fp)(Display* dpy,int screen,int lock);
VidModeQueryExtension_fp VidModeQueryExtension;
VidModeGetAllModeLines_fp VidModeGetAllModeLines;
VidModeSwitchToMode_fp VidModeSwitchToMode;
VidModeSetViewPort_fp VidModeSetViewPort;
VidModeFreeData_fp VidModeFreeData;
VidModeGetModeLine_fp VidModeGetModeLine;
VidModeLockModeSwitch_fp VidModeLockModeSwitch;
*/
CLnxVideoModes::CLnxVideoModes() {
m_Inited = false;
m_NumVideoModes = 0;
m_ModeInfoList = NULL;
// m_Display = NULL;
m_VideoResolutionChanged = false;
/*
VidModeQueryExtension = NULL;
VidModeGetAllModeLines = NULL;
VidModeSwitchToMode = NULL;
VidModeSetViewPort = NULL;
VidModeFreeData = NULL;
VidModeGetModeLine = NULL;
VidModeLockModeSwitch = NULL;
*/
}
CLnxVideoModes::~CLnxVideoModes() {
if (!m_Inited)
return;
// shutdown and free the memory
RestoreVideoMode();
// VidModeFreeData(m_NumVideoModes,m_ModeInfoList);
}
// enumerate all the possible video modes
bool CLnxVideoModes::Init(void) // Display *dpy,int screen)
{
#if 0 // with SDL2, we'll just use FULLSCREEN_DESKTOP and never change the physical vidmode
if (m_Inited)
return true;
// m_Display = dpy;
// m_Screen = screen;
m_NumVideoModes = 0;
m_ModeInfoList = NULL;
m_Inited = true;
sdlflags = 0;
/*
if(!LoadLibraries())
{
m_Inited = false;
fprintf(stdout,"LoadLib: Unable to load VideoMode libraries\n");
return false;
}
int dummy;
if(!VidModeQueryExtension(dpy,&dummy,&dummy))
return false;
if(!VidModeGetAllModeLines(m_Display,m_Screen,&m_NumVideoModes,&m_ModeInfoList))
{
m_NumVideoModes = 0;
}else
{
*/
const SDL_VideoInfo *vidInfo = NULL;
sdlflags = SDL_HWSURFACE | SDL_FULLSCREEN;
sdlflags = SDL_OPENGL | SDL_FULLSCREEN;
if (FindArgChar("-windowed", 'w'))
sdlflags &= ~SDL_FULLSCREEN;
vidInfo = SDL_GetVideoInfo();
m_ModeInfoList = SDL_ListModes(vidInfo->vfmt, sdlflags);
if (m_ModeInfoList == NULL) {
sdlflags &= ~SDL_FULLSCREEN;
m_ModeInfoList = SDL_ListModes(vidInfo->vfmt, sdlflags); // try without fullscreen.
if (m_ModeInfoList == NULL) {
sdlflags = 0;
m_ModeInfoList = SDL_ListModes(vidInfo->vfmt, sdlflags); // give me ANYTHING.
if (m_ModeInfoList == NULL) {
fprintf(stderr, "SDL: SDL_ListModes() failed.\n");
return -3;
} // if
} // if
} // if
if (m_ModeInfoList == (SDL_Rect **)-1) // anything is fine.
{
mprintf(0, "Windowed surface is probably going to be used.");
m_NumVideoModes = 0;
} // if
else {
mprintf(0, "-------------------------\n");
mprintf(0, "Supported Mode Lines:\n");
for (int i = 0; m_ModeInfoList[i] != NULL; i++) {
//,m_ModeInfoList[i]->hdisplay,m_ModeInfoList[i]->vdisplay);
mprintf(0, " Mode %d: %dX%d\n", i, m_ModeInfoList[i]->w, m_ModeInfoList[i]->h);
m_NumVideoModes++;
} // for
mprintf(0, "-------------------------\n");
} // else
#endif
return true;
}
bool CLnxVideoModes::SwitchResolution(int width, int height) {
/*
if(!m_Inited)
return false;
int i;
for(i=0;ihdisplay==width && m_ModeInfoList[i]->vdisplay==height)
{
// found a matching resolution, try to change to it
if(SwitchToMode(m_ModeInfoList[i]))
{
fprintf(stdout,"Mode switch to %dX%d OK!\n",width,height);
m_VideoResolutionChanged = (i==0)?false:true;
return true;
}
}
}
return false;
*/
return (true);
}
void CLnxVideoModes::RestoreVideoMode(void) {
/*
if(!m_Inited)
return;
if(!m_VideoResolutionChanged)
return;
// index 0 is the original mode
if(m_NumVideoModes<=1)
return;
m_VideoResolutionChanged = false;
VidModeSwitchToMode(m_Display,m_Screen,m_ModeInfoList[0]);
*/
return;
}
/*
bool CLnxVideoModes::SwitchToMode(XF86VidModeModeInfo *mode)
{
if(!m_Inited)
return false;
if(!VidModeSwitchToMode(m_Display,m_Screen,mode))
{
fprintf(stdout,"Video: Unable to switch mode to %dX%d\n",mode->hdisplay,mode->vdisplay);
return false;
}
VidModeSetViewPort(m_Display,m_Screen,0,0);
return true;
}
bool CLnxVideoModes::QueryExtension(Display *dpy)
{
if(!m_Inited)
return false;
int dummy;
if(!VidModeQueryExtension(dpy,&dummy,&dummy))
return false;
return true;
}
void CLnxVideoModes::GetModeLine(Display *dpy,int screen,int *dotclock,XF86VidModeModeLine *modeline)
{
if(!m_Inited)
return;
VidModeGetModeLine(dpy,screen,dotclock,modeline);
}
*/
void CLnxVideoModes::Lock(bool lock) {
/*
if(!m_Inited)
return;
VidModeLockModeSwitch(m_Display,m_Screen,(lock)?1:0);
*/
}
bool CLnxVideoModes::LoadLibraries(void) {
/*
void *handle;
char *libname = "OutrageDynXLib.so";
handle = dlopen(libname,RTLD_NOW|RTLD_GLOBAL);
if(!handle)
{
fprintf(stderr,"Library Load Failed: %s (%s)\n",libname,dlerror());
return false;
}
VidModeQueryExtension = (VidModeQueryExtension_fp)dlsym(handle,"VidModeQueryExtension");
VidModeGetAllModeLines = (VidModeGetAllModeLines_fp)dlsym(handle,"VidModeGetAllModeLines");
VidModeSwitchToMode = (VidModeSwitchToMode_fp)dlsym(handle,"VidModeSwitchToMode");
VidModeSetViewPort = (VidModeSetViewPort_fp)dlsym(handle,"VidModeSetViewPort");
VidModeFreeData = (VidModeFreeData_fp)dlsym(handle,"VidModeFreeData");
VidModeGetModeLine = (VidModeGetModeLine_fp)dlsym(handle,"VidModeGetModeLine");
VidModeLockModeSwitch = (VidModeLockModeSwitch_fp)dlsym(handle,"VidModeLockModeSwitch");
if( !VidModeQueryExtension ||
!VidModeGetAllModeLines ||
!VidModeSwitchToMode ||
!VidModeSetViewPort ||
!VidModeFreeData ||
!VidModeGetModeLine ||
!VidModeLockModeSwitch)
{
fprintf(stderr,"Symbol Resolve Error: %s\n",libname);
return false;
}
*/
return true;
}