Axiom.RenderSystems.OpenGL.GLHardwareOcclusionQuery.Begin C# (CSharp) 메소드

		public override void Begin()
		{
			if ( isSupportedNV )
			{
				Gl.glBeginOcclusionQueryNV( this.queryId );
			}
			else if ( isSupportedARB )
			{
				Gl.glBeginQueryARB( Gl.GL_SAMPLES_PASSED_ARB, this.queryId );
			}
		}