public bool Swap()
{
bool ret = egl.EglSwapBuffers(window.Display, window.Surface);
if (!ret)
{
int err = egl.EglGetError();
switch (err)
{
case EGL11.EglContextLost:
throw EglContextLostException.GenerateException("EglSwapBuffers", egl, err);
case EGL11.EglBadAlloc:
throw EglBadAllocException.GenerateException("EglSwapBuffers", egl, err);
default:
throw EglException.GenerateException("EglSwapBuffers", egl, err);
}
}
return(ret);
}
public void MakeCurrent(IWindowInfo win)
{
if (win == null)
{
ClearCurrent();
return;
}
var w = win as AndroidWindow;
if (w == null)
{
w = window;
}
var surf = surface == null ? w.Surface : surface;
var ctx = EGLContext;
if (win == null)
{
surf = EGL10.EglNoSurface;
ctx = EGL10.EglNoContext;
}
if (!egl.EglMakeCurrent(window.Display, surf, surf, ctx))
{
int err = egl.EglGetError();
switch (err)
{
case EGL11.EglContextLost:
throw EglContextLostException.GenerateException("MakeCurrent", egl, err);
case EGL11.EglBadAlloc:
throw EglBadAllocException.GenerateException("MakeCurrent", egl, err);
default:
throw EglException.GenerateException("MakeCurrent", egl, err);
}
}
}