//--------------------//
#region Apply
/// <summary>
/// Applies the shader to the content in the render delegate.
/// </summary>
/// <param name="render">The render delegate (is called once for every shader pass).</param>
/// <param name="material">The material to be used by this shader; <c>null</c> for device texture.</param>
/// <param name="camera">The camera for transformation information.</param>
/// <param name="lights">An array of all lights this shader should consider; should be <c>null</c>.</param>
public override void Apply(Action render, XMaterial material, Camera camera, params LightSource[] lights)
{
#region Sanity checks
if (render == null)
{
throw new ArgumentNullException(nameof(render));
}
if (camera == null)
{
throw new ArgumentNullException(nameof(camera));
}
if (lights == null)
{
throw new ArgumentNullException(nameof(lights));
}
#endregion
// Always reset the textures since they might change their memory address at a device reset
Effect.SetTexture(_normalTextureHandle, _normalTexture);
if (_refractionView != null)
{
Effect.SetTexture(_refractionMapHandle, _refractionView.GetRenderTarget());
}
if (_waterTexture == null)
{
Effect.SetTexture(_reflectionMapHandle, _reflectionView.GetRenderTarget());
}
else
{
Effect.SetTexture(_reflectionMapHandle, _waterTexture);
}
base.Apply(render, material, camera, lights);
}
/// <summary>
/// Runs the actual shader passes
/// </summary>
/// <param name="render">The render delegate (is called once for every shader pass)</param>
/// <param name="sceneSize">The size of the scene on the screen - leave empty for fullscreen</param>
/// <param name="sceneMap">Should be <c>null</c> because a glow map is used instead</param>
protected override void RunPasses(Action render, Size sceneSize, RenderTarget sceneMap)
{
// Pass the glow map instead of the scene map to the blurring filter
base.RunPasses(render, sceneSize, _glowView.GetRenderTarget());
}