/// <summary>
/// Query the GLX version supported by current implementation.
/// </summary>
private void QueryVersion()
{
using (Glx.XLock xLock = new Glx.XLock(Display)) {
int[] majorArg = new int[1], minorArg = new int[1];
Glx.QueryVersion(Display, majorArg, minorArg);
_GlxVersion = new KhronosVersion(majorArg[0], minorArg[0], KhronosVersion.ApiGlx);
}
}
/// <summary>
/// Query the extensions supported by current platform.
/// </summary>
/// <param name="deviceContext">
/// A <see cref="XServerDeviceContext"/> that specifies the device context to query extensions for.
/// </param>
public void Query(XServerDeviceContext deviceContext)
{
if (deviceContext == null)
{
throw new ArgumentNullException("deviceContext");
}
LogComment("Query GLX extensions.");
string glxExtensions = null;
int[] majorArg = new int[1], minorArg = new int[1];
using (Glx.XLock xLock = new Glx.XLock(deviceContext.Display)) {
Glx.QueryVersion(deviceContext.Display, majorArg, minorArg);
if ((majorArg[0] >= 1) && (minorArg[0] >= 1))
{
glxExtensions = Glx.QueryExtensionsString(deviceContext.Display, 0);
}
}
Query(new KhronosVersion(majorArg[0], minorArg[1], KhronosVersion.ApiGlx), glxExtensions ?? String.Empty);
}