void OnPreCull()
{
// All the per-frame initialization logic has to be done in OnPreCull instead of Update
// because [ImageEffectAllowedInSceneView] doesn't trigger Update events...
m_Camera = GetComponent <Camera>();
if (profile == null || m_Camera == null)
{
return;
}
#if UNITY_EDITOR
// Track the scene view camera to disable some effects we don't want to see in the
// scene view
// Currently disabled effects :
// - Temporal Antialiasing
// - Depth of Field
// - Motion blur
m_RenderingInSceneView = UnityEditor.SceneView.currentDrawingSceneView != null &&
UnityEditor.SceneView.currentDrawingSceneView.camera == m_Camera;
#endif
// Prepare context
var context = m_Context.Reset();
context.profile = profile;
context.renderTextureFactory = m_RenderTextureFactory;
context.materialFactory = m_MaterialFactory;
context.camera = m_Camera;
// Prepare components
m_DebugViews.Init(context, profile.debugViews);
m_AmbientOcclusion.Init(context, profile.ambientOcclusion);
m_ScreenSpaceReflection.Init(context, profile.screenSpaceReflection);
m_FogComponent.Init(context, profile.fog);
m_MotionBlur.Init(context, profile.motionBlur);
m_Taa.Init(context, profile.antialiasing);
m_EyeAdaptation.Init(context, profile.eyeAdaptation);
m_DepthOfField.Init(context, profile.depthOfField);
m_Bloom.Init(context, profile.bloom);
m_ChromaticAberration.Init(context, profile.chromaticAberration);
m_ColorGrading.Init(context, profile.colorGrading);
m_UserLut.Init(context, profile.userLut);
m_Grain.Init(context, profile.grain);
m_Vignette.Init(context, profile.vignette);
m_Dithering.Init(context, profile.dithering);
m_Fxaa.Init(context, profile.antialiasing);
// Handles profile change and 'enable' state observers
if (m_PreviousProfile != profile)
{
DisableComponents();
m_PreviousProfile = profile;
}
CheckObservers();
// Find out which camera flags are needed before rendering begins
// Note that motion vectors will only be available one frame after being enabled
var flags = context.camera.depthTextureMode;
foreach (var component in m_Components)
{
if (component.active)
{
flags |= component.GetCameraFlags();
}
}
context.camera.depthTextureMode = flags;
// Temporal antialiasing jittering, needs to happen before culling
if (!m_RenderingInSceneView && m_Taa.active && !profile.debugViews.willInterrupt)
{
m_Taa.SetProjectionMatrix(jitteredMatrixFunc);
}
}