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Create the GraphicsWindowSDL2 directly

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This commit is contained in:
scrawl 2015-05-13 15:08:47 +02:00
parent 0498e6e5f0
commit 298b3ed2ef
3 changed files with 3 additions and 113 deletions
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106
components/sdlutil/sdlgraphicswindow.cpp
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@ -163,110 +163,4 @@ void GraphicsWindowSDL2::raiseWindow()
SDL_RaiseWindow(mWindow);
}
class SDL2WindowingSystemInterface : public osg::GraphicsContext::WindowingSystemInterface
{
public:
SDL2WindowingSystemInterface()
{
OSG_INFO<< "SDL2WindowingSystemInterface()" <<std::endl;
}
virtual ~SDL2WindowingSystemInterface()
{
if(osg::Referenced::getDeleteHandler())
{
osg::Referenced::getDeleteHandler()->setNumFramesToRetainObjects(0);
osg::Referenced::getDeleteHandler()->flushAll();
}
//OSG_NOTICE<< "~SDL2WindowingSystemInterface()" <<std::endl;
}
virtual unsigned int getNumScreens(const osg::GraphicsContext::ScreenIdentifier&/*si*/)
{
return SDL_GetNumVideoDisplays();
}
virtual void getScreenSettings(const osg::GraphicsContext::ScreenIdentifier &si, osg::GraphicsContext::ScreenSettings &resolution)
{
SDL_DisplayMode mode;
if(SDL_GetCurrentDisplayMode(si.screenNum, &mode) == 0)
{
int bpp = 32;
Uint32 rmask, gmask, bmask, amask;
SDL_PixelFormatEnumToMasks(mode.format, &bpp, &rmask, &gmask, &bmask, &amask);
resolution.width = mode.w;
resolution.height = mode.h;
resolution.colorDepth = bpp;
resolution.refreshRate = mode.refresh_rate;
}
else
{
OSG_NOTICE<< "Unable to query screen \""<<si.screenNum<<"\"." <<std::endl;
resolution.width = 0;
resolution.height = 0;
resolution.colorDepth = 0;
resolution.refreshRate = 0;
}
}
virtual bool setScreenSettings(const osg::GraphicsContext::ScreenIdentifier&/*si*/, const osg::GraphicsContext::ScreenSettings&/*resolution*/)
{
// FIXME: SDL sets a new video mode by having the fullscreen flag on an
// appropriately-sized window, rather than changing it 'raw'.
return false;
}
virtual void enumerateScreenSettings(const osg::GraphicsContext::ScreenIdentifier &si, osg::GraphicsContext::ScreenSettingsList &resolutionList)
{
osg::GraphicsContext::ScreenSettingsList().swap(resolutionList);
int num_modes = SDL_GetNumDisplayModes(si.screenNum);
resolutionList.reserve(num_modes);
for(int i = 0;i < num_modes;++i)
{
SDL_DisplayMode mode;
if(SDL_GetDisplayMode(si.screenNum, i, &mode) != 0)
{
OSG_NOTICE<< "Failed to get info for display mode "<<i <<std::endl;
continue;
}
int bpp = 32;
Uint32 rmask, gmask, bmask, amask;
if(SDL_PixelFormatEnumToMasks(mode.format, &bpp, &rmask, &gmask, &bmask, &amask) == SDL_FALSE)
{
OSG_NOTICE<< "Failed to get pixel format info for format ID "<<mode.format <<std::endl;
continue;
}
resolutionList.push_back(osg::GraphicsContext::ScreenSettings(mode.w, mode.h, mode.refresh_rate, bpp));
}
if(resolutionList.empty())
{
OSG_NOTICE<< "SDL2WindowingSystemInterface::enumerateScreenSettings() not supported." <<std::endl;
}
}
virtual osg::GraphicsContext* createGraphicsContext(osg::GraphicsContext::Traits *traits)
{
// No PBuffer support (you should use FBOs anyway)
if(traits->pbuffer)
return NULL;
osg::ref_ptr<GraphicsWindowSDL2> window = new GraphicsWindowSDL2(traits);
if(window->valid()) return window.release();
return NULL;
}
};
void setupWindowingSystemInterface()
{
osg::GraphicsContext::setWindowingSystemInterface(new SDL2WindowingSystemInterface);
}
}