Fixed: #980 Create a setScreenMode method in OpenGL driver
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kervala
parent
365745a3bf
commit
829e15f5bf
2 changed files with 110 additions and 91 deletions
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@ -846,6 +846,7 @@ private:
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bool restoreScreenMode();
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bool saveScreenMode();
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bool setScreenMode(const GfxMode &mode);
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// Get the proj matrix setupped in GL
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void refreshProjMatrixFromGL();
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@ -209,6 +209,9 @@ bool CDriverGL::setDisplay(nlWindow wnd, const GfxMode &mode, bool show, bool re
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uint width = mode.Width;
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uint height = mode.Height;
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if (!setScreenMode(mode))
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return false;
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#ifdef NL_OS_WINDOWS
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// Driver caps.
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@ -541,32 +544,6 @@ bool CDriverGL::setDisplay(nlWindow wnd, const GfxMode &mode, bool show, bool re
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WndFlags=WS_POPUP;
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_FullScreen= true;
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DEVMODE devMode;
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_OldScreenMode.dmSize= sizeof(DEVMODE);
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_OldScreenMode.dmDriverExtra= 0;
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EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &_OldScreenMode);
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_OldScreenMode.dmFields= DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT | DM_DISPLAYFREQUENCY ;
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devMode.dmSize= sizeof(DEVMODE);
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devMode.dmDriverExtra= 0;
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devMode.dmFields= DM_PELSWIDTH | DM_PELSHEIGHT;
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devMode.dmPelsWidth= width;
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devMode.dmPelsHeight= height;
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if(mode.Depth > 0)
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{
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devMode.dmBitsPerPel= mode.Depth;
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devMode.dmFields |= DM_BITSPERPEL;
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}
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if(mode.Frequency > 0)
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{
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devMode.dmDisplayFrequency= mode.Frequency;
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devMode.dmFields |= DM_DISPLAYFREQUENCY;
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}
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if (ChangeDisplaySettings(&devMode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
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return false;
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}
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WndRect.left=0;
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WndRect.top=0;
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@ -877,51 +854,122 @@ bool CDriverGL::restoreScreenMode()
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}
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// --------------------------------------------------
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bool CDriverGL::setMode(const GfxMode& mode)
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bool CDriverGL::setScreenMode(const GfxMode &mode)
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{
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H_AUTO_OGL(CDriverGL_setMode)
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#ifdef NL_OS_WINDOWS
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H_AUTO_OGL(CDriverGL_setScreenMode)
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if (mode.Windowed)
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{
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// if fullscreen, switch back to desktop screen mode
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if (_FullScreen)
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{
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restoreScreenMode();
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modifyStyle(_hWnd, GWL_STYLE, WS_POPUP, WS_OVERLAPPEDWINDOW+WS_CLIPCHILDREN+WS_CLIPSIBLINGS);
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}
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_WindowWidth = mode.Width;
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_WindowHeight = mode.Height;
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return true;
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}
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else
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{
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// get old mode.
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// save previous screen mode only if switching from windowed to fullscreen
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if (!_FullScreen)
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saveScreenMode();
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// setup new mode
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DEVMODE newDevMode;
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newDevMode.dmSize= sizeof(DEVMODE);
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newDevMode.dmDriverExtra= 0;
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newDevMode.dmFields= DM_PELSWIDTH | DM_PELSHEIGHT;
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newDevMode.dmPelsWidth= mode.Width;
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newDevMode.dmPelsHeight= mode.Height;
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// if switching exactly to the same screen mode, doesn't change it
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GfxMode previousMode;
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if (getCurrentScreenMode(previousMode)
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&& mode.Width == previousMode.Width
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&& mode.Height == previousMode.Height
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&& mode.Depth == previousMode.Depth
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&& mode.Frequency == previousMode.Frequency)
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return true;
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#if defined(NL_OS_WINDOWS)
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DEVMODE devMode;
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memset(&devMode, 0, sizeof(DEVMODE));
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devMode.dmSize = sizeof(DEVMODE);
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devMode.dmDriverExtra = 0;
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devMode.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT;
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devMode.dmPelsWidth = mode.Width;
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devMode.dmPelsHeight = mode.Height;
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if(mode.Depth > 0)
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{
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newDevMode.dmBitsPerPel= mode.Depth;
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newDevMode.dmFields |= DM_BITSPERPEL;
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devMode.dmBitsPerPel = mode.Depth;
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devMode.dmFields |= DM_BITSPERPEL;
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}
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if(mode.Frequency > 0)
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{
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newDevMode.dmDisplayFrequency= mode.Frequency;
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newDevMode.dmFields |= DM_DISPLAYFREQUENCY;
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devMode.dmDisplayFrequency = mode.Frequency;
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devMode.dmFields |= DM_DISPLAYFREQUENCY;
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}
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// try to really change the display mode
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if (ChangeDisplaySettings(&newDevMode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
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if (ChangeDisplaySettings(&devMode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
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{
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nlwarning("Fullscreen mode switch failed");
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return false;
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}
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#elif defined(NL_OS_MAC) && defined(NL_MAC_NATIVE)
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// TODO
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#elif defined(NL_OS_UNIX)
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#if defined(XF86VIDMODE)
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bool found = false;
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// Find the requested mode and use it
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XF86VidModeModeInfo **modes;
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int nmodes;
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if (XF86VidModeGetAllModeLines(_dpy, DefaultScreen(_dpy), &nmodes, &modes))
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{
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for (int i = 0; i < nmodes; i++)
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{
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nldebug("3D: Available mode - %dx%d", modes[i]->hdisplay, modes[i]->vdisplay);
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if (modes[i]->hdisplay == width && modes[i]->vdisplay == height)
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{
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if (XF86VidModeSwitchToMode(_dpy, DefaultScreen(_dpy), modes[i]))
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{
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nlinfo("3D: Switching to mode %dx%d", modes[i]->hdisplay, modes[i]->vdisplay);
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XF86VidModeSetViewPort(_dpy, DefaultScreen(_dpy), 0, 0);
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found = true;
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}
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break;
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}
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}
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XFree(modes);
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}
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if (!found)
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return false;
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#endif // XF86VIDMODE
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#endif // NL_OS_WINDOWS
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return true;
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}
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// --------------------------------------------------
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bool CDriverGL::setMode(const GfxMode& mode)
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{
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H_AUTO_OGL(CDriverGL_setMode)
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if (!setScreenMode(mode))
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return false;
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#ifdef NL_OS_WINDOWS
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if (mode.Windowed)
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{
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if (_FullScreen)
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modifyStyle(_hWnd, GWL_STYLE, WS_POPUP, WS_OVERLAPPEDWINDOW+WS_CLIPCHILDREN+WS_CLIPSIBLINGS);
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_WindowWidth = mode.Width;
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_WindowHeight = mode.Height;
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}
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else
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{
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// mode ok => copy changes
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_WindowWidth = mode.Width;
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_WindowHeight = mode.Height;
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@ -961,42 +1009,11 @@ bool CDriverGL::setMode(const GfxMode& mode)
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_FullScreen = !mode.Windowed;
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#elif defined(NL_OS_MAC) && defined(NL_MAC_NATIVE)
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NL3D::MAC::setMode(mode);
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#elif defined(NL_OS_UNIX)
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#ifdef XF86VIDMODE
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if (!mode.Windowed)
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{
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int screen = DefaultScreen(_dpy);
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// Store old mdoe in order to restore it when leaving fullscreen
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if (mode.Windowed == _FullScreen)
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saveScreenMode();
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// Find the requested mode and use it
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XF86VidModeModeInfo **modes;
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int nmodes;
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if (XF86VidModeGetAllModeLines(_dpy, screen, &nmodes, &modes))
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{
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for (int i = 0; i < nmodes; i++)
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{
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nldebug("3D: Available mode - %dx%d", modes[i]->hdisplay, modes[i]->vdisplay);
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if(modes[i]->hdisplay == mode.Width && modes[i]->vdisplay == mode.Height)
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{
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if(XF86VidModeSwitchToMode(_dpy, screen, modes[i]))
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{
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nlinfo("3D: Switching to mode %dx%d", modes[i]->hdisplay, modes[i]->vdisplay);
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XF86VidModeSetViewPort(_dpy, screen, 0, 0);
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}
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break;
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}
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}
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}
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}
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else if (mode.Windowed == _FullScreen)
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restoreScreenMode();
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#endif // XF86VIDMODE
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// Update WM hints (update size and disallow resizing)
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XSizeHints size_hints;
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size_hints.x = 0;
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@ -1048,6 +1065,7 @@ bool CDriverGL::setMode(const GfxMode& mode)
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XMapWindow(_dpy, _win);
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#endif // NL_OS_UNIX
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return true;
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}
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