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Fixed: #980 Create a setScreenMode method in OpenGL driver

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This commit is contained in:
kervala 2010-06-12 17:38:03 +02:00
parent 0563292006
commit c6fefbcc4c
2 changed files with 110 additions and 91 deletions
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1
code/nel/src/3d/driver/opengl/driver_opengl.h
View file

@ -846,6 +846,7 @@ private:
bool restoreScreenMode();
bool saveScreenMode();
bool setScreenMode(const GfxMode &mode);
// Get the proj matrix setupped in GL
void refreshProjMatrixFromGL();

200
code/nel/src/3d/driver/opengl/driver_opengl_window.cpp
View file

@ -209,6 +209,9 @@ bool CDriverGL::setDisplay(nlWindow wnd, const GfxMode &mode, bool show, bool re
uint width = mode.Width;
uint height = mode.Height;
if (!setScreenMode(mode))
return false;
#ifdef NL_OS_WINDOWS
// Driver caps.
@ -541,32 +544,6 @@ bool CDriverGL::setDisplay(nlWindow wnd, const GfxMode &mode, bool show, bool re
WndFlags=WS_POPUP;
_FullScreen= true;
DEVMODE devMode;
_OldScreenMode.dmSize= sizeof(DEVMODE);
_OldScreenMode.dmDriverExtra= 0;
EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &_OldScreenMode);
_OldScreenMode.dmFields= DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT | DM_DISPLAYFREQUENCY ;
devMode.dmSize= sizeof(DEVMODE);
devMode.dmDriverExtra= 0;
devMode.dmFields= DM_PELSWIDTH | DM_PELSHEIGHT;
devMode.dmPelsWidth= width;
devMode.dmPelsHeight= height;
if(mode.Depth > 0)
{
devMode.dmBitsPerPel= mode.Depth;
devMode.dmFields |= DM_BITSPERPEL;
}
if(mode.Frequency > 0)
{
devMode.dmDisplayFrequency= mode.Frequency;
devMode.dmFields |= DM_DISPLAYFREQUENCY;
}
if (ChangeDisplaySettings(&devMode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
return false;
}
WndRect.left=0;
WndRect.top=0;
@ -876,52 +853,123 @@ bool CDriverGL::restoreScreenMode()
return res;
}
// --------------------------------------------------
bool CDriverGL::setScreenMode(const GfxMode &mode)
{
H_AUTO_OGL(CDriverGL_setScreenMode)
if (mode.Windowed)
{
// if fullscreen, switch back to desktop screen mode
if (_FullScreen)
restoreScreenMode();
return true;
}
// save previous screen mode only if switching from windowed to fullscreen
if (!_FullScreen)
saveScreenMode();
// if switching exactly to the same screen mode, doesn't change it
GfxMode previousMode;
if (getCurrentScreenMode(previousMode)
&& mode.Width == previousMode.Width
&& mode.Height == previousMode.Height
&& mode.Depth == previousMode.Depth
&& mode.Frequency == previousMode.Frequency)
return true;
#if defined(NL_OS_WINDOWS)
DEVMODE devMode;
memset(&devMode, 0, sizeof(DEVMODE));
devMode.dmSize = sizeof(DEVMODE);
devMode.dmDriverExtra = 0;
devMode.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT;
devMode.dmPelsWidth = mode.Width;
devMode.dmPelsHeight = mode.Height;
if(mode.Depth > 0)
{
devMode.dmBitsPerPel = mode.Depth;
devMode.dmFields |= DM_BITSPERPEL;
}
if(mode.Frequency > 0)
{
devMode.dmDisplayFrequency = mode.Frequency;
devMode.dmFields |= DM_DISPLAYFREQUENCY;
}
if (ChangeDisplaySettings(&devMode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
{
nlwarning("Fullscreen mode switch failed");
return false;
}
#elif defined(NL_OS_MAC) && defined(NL_MAC_NATIVE)
// TODO
#elif defined(NL_OS_UNIX)
#if defined(XF86VIDMODE)
bool found = false;
// Find the requested mode and use it
XF86VidModeModeInfo **modes;
int nmodes;
if (XF86VidModeGetAllModeLines(_dpy, DefaultScreen(_dpy), &nmodes, &modes))
{
for (int i = 0; i < nmodes; i++)
{
nldebug("3D: Available mode - %dx%d", modes[i]->hdisplay, modes[i]->vdisplay);
if (modes[i]->hdisplay == width && modes[i]->vdisplay == height)
{
if (XF86VidModeSwitchToMode(_dpy, DefaultScreen(_dpy), modes[i]))
{
nlinfo("3D: Switching to mode %dx%d", modes[i]->hdisplay, modes[i]->vdisplay);
XF86VidModeSetViewPort(_dpy, DefaultScreen(_dpy), 0, 0);
found = true;
}
break;
}
}
XFree(modes);
}
if (!found)
return false;
#endif // XF86VIDMODE
#endif // NL_OS_WINDOWS
return true;
}
// --------------------------------------------------
bool CDriverGL::setMode(const GfxMode& mode)
{
H_AUTO_OGL(CDriverGL_setMode)
if (!setScreenMode(mode))
return false;
#ifdef NL_OS_WINDOWS
if (mode.Windowed)
{
if (_FullScreen)
{
restoreScreenMode();
modifyStyle(_hWnd, GWL_STYLE, WS_POPUP, WS_OVERLAPPEDWINDOW+WS_CLIPCHILDREN+WS_CLIPSIBLINGS);
}
_WindowWidth = mode.Width;
_WindowHeight = mode.Height;
}
else
{
// get old mode.
if (!_FullScreen)
saveScreenMode();
// setup new mode
DEVMODE newDevMode;
newDevMode.dmSize= sizeof(DEVMODE);
newDevMode.dmDriverExtra= 0;
newDevMode.dmFields= DM_PELSWIDTH | DM_PELSHEIGHT;
newDevMode.dmPelsWidth= mode.Width;
newDevMode.dmPelsHeight= mode.Height;
if(mode.Depth > 0)
{
newDevMode.dmBitsPerPel= mode.Depth;
newDevMode.dmFields |= DM_BITSPERPEL;
}
if(mode.Frequency > 0)
{
newDevMode.dmDisplayFrequency= mode.Frequency;
newDevMode.dmFields |= DM_DISPLAYFREQUENCY;
}
// try to really change the display mode
if (ChangeDisplaySettings(&newDevMode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
return false;
// mode ok => copy changes
_WindowWidth = mode.Width;
_WindowHeight = mode.Height;
@ -961,42 +1009,11 @@ bool CDriverGL::setMode(const GfxMode& mode)
_FullScreen = !mode.Windowed;
#elif defined(NL_OS_MAC) && defined(NL_MAC_NATIVE)
NL3D::MAC::setMode(mode);
#elif defined(NL_OS_UNIX)
#ifdef XF86VIDMODE
if (!mode.Windowed)
{
int screen = DefaultScreen(_dpy);
// Store old mdoe in order to restore it when leaving fullscreen
if (mode.Windowed == _FullScreen)
saveScreenMode();
// Find the requested mode and use it
XF86VidModeModeInfo **modes;
int nmodes;
if (XF86VidModeGetAllModeLines(_dpy, screen, &nmodes, &modes))
{
for (int i = 0; i < nmodes; i++)
{
nldebug("3D: Available mode - %dx%d", modes[i]->hdisplay, modes[i]->vdisplay);
if(modes[i]->hdisplay == mode.Width && modes[i]->vdisplay == mode.Height)
{
if(XF86VidModeSwitchToMode(_dpy, screen, modes[i]))
{
nlinfo("3D: Switching to mode %dx%d", modes[i]->hdisplay, modes[i]->vdisplay);
XF86VidModeSetViewPort(_dpy, screen, 0, 0);
}
break;
}
}
}
}
else if (mode.Windowed == _FullScreen)
restoreScreenMode();
#endif // XF86VIDMODE
// Update WM hints (update size and disallow resizing)
XSizeHints size_hints;
size_hints.x = 0;
@ -1048,6 +1065,7 @@ bool CDriverGL::setMode(const GfxMode& mode)
XMapWindow(_dpy, _win);
#endif // NL_OS_UNIX
return true;
}