/// <summary>
/// Pushes a new render target onto the render target stack.
/// </summary>
/// <param name="viewport">The viewport object.</param>
/// <param name="renderTargets">A structure containing all relevant render targets.</param>
/// <param name="camera">The camera for the new render target.</param>
/// <param name="viewInformation">The view information.</param>
/// <exception cref="System.ObjectDisposedException">RenderState</exception>
internal void PushRenderTarget(
RenderTargets renderTargets,
SharpDX.Mathematics.Interop.RawViewportF viewport,
Camera3DBase camera, ViewInformation viewInformation)
{
if (m_disposed)
{
throw new ObjectDisposedException("RenderState");
}
//Build new render stack entry
RenderStackEntry newEntry = new RenderStackEntry();
newEntry.Matrix4Stack = new Matrix4Stack();
newEntry.Camera = camera;
newEntry.RenderTargets = renderTargets;
newEntry.SingleViewport = viewport;
newEntry.ViewInformation = viewInformation;
//Overtake device settings
newEntry.Apply(m_device.DeviceImmediateContextD3D11);
//Push new entry onto the stack
m_renderSettingsStack.Push(m_currentRenderSettings);
m_currentRenderSettings = newEntry;
}
/// <summary>
/// Applies current render target settings.
/// </summary>
public void ClearState()
{
if (_disposed)
{
throw new ObjectDisposedException("RenderState");
}
// Clear material properties
_lastAppliedMaterial?.Discard(this);
_lastAppliedMaterial = null;
_forcedMaterial = null;
this.Device.DeviceImmediateContextD3D11.ClearState();
_currentRenderSettings?.Apply(this.Device.DeviceImmediateContextD3D11);
}
/// <summary>
/// Pops a render target from the render target stack.
/// </summary>
public void PopRenderTarget()
{
if (m_disposed)
{
throw new ObjectDisposedException("RenderState");
}
if (m_renderSettingsStack.Count < 1)
{
throw new SeeingSharpGraphicsException("There is only one element on the render stack!");
}
//Pop last entry
m_currentRenderSettings = m_renderSettingsStack.Pop();
//Apply old configuration
m_currentRenderSettings.Apply(m_device.DeviceImmediateContextD3D11);
}
/// <summary>
/// Resets the render state.
/// </summary>
/// <param name="viewport">The viewport.</param>
/// <param name="camera">The camera for the new render target.</param>
/// <param name="viewInformation">The view information.</param>
/// <param name="renderTargets">The render targets used for rendering.</param>
internal void Reset(
RenderTargets renderTargets,
SharpDX.Mathematics.Interop.RawViewportF viewport,
Camera3DBase camera, ViewInformation viewInformation)
{
m_renderSettingsStack.Clear();
m_sceneStack.Clear();
m_currentScene = null;
m_world = new Matrix4Stack(Matrix4x4.Identity);
//Inititialize current render properties
m_currentRenderSettings = new RenderStackEntry();
m_currentRenderSettings.Matrix4Stack = new Matrix4Stack();
m_currentRenderSettings.RenderTargets = renderTargets;
m_currentRenderSettings.SingleViewport = viewport;
m_currentRenderSettings.Camera = camera;
m_currentRenderSettings.ViewInformation = viewInformation;
//Apply initial render properties
m_currentRenderSettings.Apply(m_device.DeviceImmediateContextD3D11);
}