public static void PushSoftwareViewport(Viewport viewport)
{
lock (cachedViewportStack)
{
cachedViewportStack.Push(viewport);
}
}
public static void UpdateCurrentViewport()
{
GraphicsContext.Assert();
Viewport viewport = new Viewport();
GL.GetInteger(GetPName.Viewport, out viewport.X);
currentViewport = viewport;
}
public static void UpdateCurrentViewportFromHardware()
{
lock (cachedViewportStack)
{
GraphicsContext.Assert();
Viewport viewport = new Viewport();
GL.GetInteger(GetPName.Viewport, out viewport.X);
cachedViewportStack.Pop();
cachedViewportStack.Push(viewport);
}
}
public static void End()
{
GraphicsContext.Assert();
int current_matrix;
GL.GetInteger(GetPName.MatrixMode, out current_matrix);
viewport = viewport_stack.Pop();
GL.Viewport(viewport.X, viewport.Y, viewport.Width, viewport.Height);
GL.MatrixMode(MatrixMode.Texture);
matrix = texture_stack.Pop();
GL.LoadMatrix(ref matrix);
GL.MatrixMode(MatrixMode.Modelview);
matrix = modelview_stack.Pop();
GL.LoadMatrix(ref matrix);
GL.MatrixMode(MatrixMode.Projection);
matrix = projection_stack.Pop();
GL.LoadMatrix(ref matrix);
GL.MatrixMode((MatrixMode)current_matrix);
}
/// <summary>
/// Use a new viewport. This is more efficient
/// than calling ForceViewportRefresh() or InvalidateViewport()
/// </summary>
/// <param name="viewport"></param>
public static void PushSoftwareViewport(Viewport viewport)
{
ProjectionStack.PushSoftwareViewport(viewport);
}
/// <summary>
/// Use a new viewport. This is more efficient
/// than calling ForceViewportRefresh() or InvalidateViewport()
/// </summary>
/// <param name="viewport"></param>
public static void PushSoftwareViewport(Viewport viewport)
{
ProjectionStack.PushSoftwareViewport(viewport);
}