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~ Reorganized viewport detection for screens and added proper checks for XRandr extension

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Signed-off-by: Alexis Maiquez <almamu@almamu.com>
This commit is contained in:
Alexis Maiquez 2019-09-04 22:23:47 +02:00
parent be68fe209f
commit ce23ca53b1
1 changed files with 61 additions and 48 deletions
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59
main.cpp
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@ -25,33 +25,26 @@ irr::SIrrlichtCreationParameters _irr_params;
irr::f32 g_Time = 0;
int init_irrlicht()
void initialize_viewports ()
{
// prepare basic configuration for irrlicht
_irr_params.AntiAlias = 8;
_irr_params.Bits = 16;
// _irr_params.DeviceType = irr::EIDT_X11;
_irr_params.DriverType = irr::video::EDT_OPENGL;
_irr_params.Doublebuffer = false;
_irr_params.EventReceiver = nullptr;
_irr_params.Fullscreen = false;
_irr_params.HandleSRGB = false;
_irr_params.IgnoreInput = true;
_irr_params.Stencilbuffer = true;
_irr_params.UsePerformanceTimer = false;
_irr_params.Vsync = false;
_irr_params.WithAlphaChannel = false;
_irr_params.ZBufferBits = 24;
_irr_params.LoggingLevel = irr::ELL_DEBUG;
if (IsRootWindow == false || Screens.size () == 0)
return;
if (IsRootWindow == true)
{
Display* display = XOpenDisplay (NULL);
int xrandr_result, xrandr_error;
if (!XRRQueryExtension (display, &xrandr_result, &xrandr_error))
{
std::cerr << "XRandr is not present, cannot detect specified screens, running in window mode" << std::endl;
return;
}
XRRScreenResources* screenResources = XRRGetScreenResources (display, DefaultRootWindow (display));
// there are some situations where xrandr returns null (like screen not using the extension)
if (screenResources != nullptr)
{
if (screenResources == nullptr)
return;
for (int i = 0; i < screenResources->noutput; i ++)
{
XRROutputInfo* info = XRRGetOutputInfo (display, screenResources, screenResources->outputs [i]);
@ -88,10 +81,30 @@ int init_irrlicht()
}
XRRFreeScreenResources (screenResources);
}
_irr_params.WindowId = reinterpret_cast<void*> (DefaultRootWindow (display));
}
}
int init_irrlicht()
{
// prepare basic configuration for irrlicht
_irr_params.AntiAlias = 8;
_irr_params.Bits = 16;
// _irr_params.DeviceType = irr::EIDT_X11;
_irr_params.DriverType = irr::video::EDT_OPENGL;
_irr_params.Doublebuffer = false;
_irr_params.EventReceiver = nullptr;
_irr_params.Fullscreen = false;
_irr_params.HandleSRGB = false;
_irr_params.IgnoreInput = true;
_irr_params.Stencilbuffer = true;
_irr_params.UsePerformanceTimer = false;
_irr_params.Vsync = false;
_irr_params.WithAlphaChannel = false;
_irr_params.ZBufferBits = 24;
_irr_params.LoggingLevel = irr::ELL_DEBUG;
initialize_viewports ();
wp::irrlicht::device = irr::createDeviceEx (_irr_params);