/// <summary>
/// Applies a new depth information.
/// </summary>
/// <param name="depthInfo">The depth information.</param>
public static void PushDepthInfo(DepthInfo depthInfo)
{
depth_stack.Push(depthInfo);
if (CurrentDepthInfo.Equals(depthInfo))
{
return;
}
CurrentDepthInfo = depthInfo;
setDepthInfo(CurrentDepthInfo);
}
/// <summary>
/// Applies the last depth information.
/// </summary>
public static void PopDepthInfo()
{
Trace.Assert(depth_stack.Count > 1);
depth_stack.Pop();
DepthInfo depthInfo = depth_stack.Peek();
if (CurrentDepthInfo.Equals(depthInfo))
{
return;
}
CurrentDepthInfo = depthInfo;
setDepthInfo(CurrentDepthInfo);
}
private static void setDepthInfo(DepthInfo depthInfo)
{
FlushCurrentBatch();
if (depthInfo.DepthTest)
{
GL.Enable(EnableCap.DepthTest);
GL.DepthFunc(depthInfo.Function);
}
else
{
GL.Disable(EnableCap.DepthTest);
}
GL.DepthMask(depthInfo.WriteDepth);
}