internal X11GLContext(int[] attributeList,
X11GLContext share,
IntPtr gdkDrawable)
{
// choose the visual based on attribute list
xdisplay = gdk_x11_get_default_xdisplay();
if (xdisplay == IntPtr.Zero)
throw new SystemException("Couldn't get default display.");
IntPtr visualInfo = glXChooseVisual (xdisplay,
gdk_x11_get_default_screen(),
attributeList);
if (visualInfo == IntPtr.Zero)
throw new SystemException ("No suitable glx-visual found.");
// create glxcontext using visual
try {
IntPtr glxshare = IntPtr.Zero;
if (share != null)
glxshare = share.glxcontext;
bool directRendering = true;
//bool directRendering = false;
glxcontext = glXCreateContext (xdisplay,
visualInfo,
glxshare,
directRendering);
if (glxcontext == IntPtr.Zero)
throw new SystemException ("Failed to create glx-context.");
} finally {
XFree (visualInfo);
}
}
internal X11GLContext(int[] attributeList,
X11GLContext share,
IntPtr gdkDrawable)
{
// choose the visual based on attribute list
xdisplay = gdk_x11_get_default_xdisplay();
if (xdisplay == IntPtr.Zero)
{
throw new SystemException("Couldn't get default display.");
}
IntPtr visualInfo = glXChooseVisual(xdisplay,
gdk_x11_get_default_screen(),
attributeList);
if (visualInfo == IntPtr.Zero)
{
throw new SystemException("No suitable glx-visual found.");
}
// create glxcontext using visual
try {
IntPtr glxshare = IntPtr.Zero;
if (share != null)
{
glxshare = share.glxcontext;
}
bool directRendering = true;
//bool directRendering = false;
glxcontext = glXCreateContext(xdisplay,
visualInfo,
glxshare,
directRendering);
if (glxcontext == IntPtr.Zero)
{
throw new SystemException("Failed to create glx-context.");
}
} finally {
XFree(visualInfo);
}
}