/// <summary>
/// This hook allows HDRP to apply some changes before the LookDev's Camera render.
/// Should mainly be used for view isolation.
/// </summary>
/// <param name="SRI">The StageRuntimeInterface allowing to communicate with the LookDev</param>
void IDataProvider.OnBeginRendering(StageRuntimeInterface SRI)
{
LookDevDataForHDRP data = (LookDevDataForHDRP)SRI.SRPData;
#if UNITY_EDITOR
// The default volume can change in the HDRP asset so if it does we need to re-instantiate it.
if (UpdateVolumeProfile(data.volume, out var visualEnv, out var sky))
{
data.sky = sky;
data.visualEnvironment = visualEnv;
SRI.SRPData = data;
}
#endif
data.volume.enabled = true;
}
/// <summary>
/// This hook allows HDRP to provide a shadow mask in order for LookDev to perform a self shadow composition.
/// </summary>
/// <param name="output">The created shadow mask</param>
/// <param name="SRI">The StageRuntimeInterface allowing to communicate with the LookDev</param>
void IDataProvider.GetShadowMask(ref RenderTexture output, StageRuntimeInterface SRI)
{
LookDevDataForHDRP data = (LookDevDataForHDRP)SRI.SRPData;
Color oldBackgroundColor = data.additionalCameraData.backgroundColorHDR;
var oldClearMode = data.additionalCameraData.clearColorMode;
data.additionalCameraData.backgroundColorHDR = Color.white;
data.additionalCameraData.clearColorMode = HDAdditionalCameraData.ClearColorMode.Color;
data.additionalLightData.intensity = 1f;
debugDisplaySettings.SetShadowDebugMode(ShadowMapDebugMode.SingleShadow);
SRI.camera.targetTexture = output;
SRI.camera.Render();
debugDisplaySettings.SetShadowDebugMode(ShadowMapDebugMode.None);
data.additionalLightData.intensity = 0f;
data.additionalCameraData.backgroundColorHDR = oldBackgroundColor;
data.additionalCameraData.clearColorMode = oldClearMode;
}
/// <summary>
/// This hook allows HDRP to apply the sky as it is requested by the LookDev
/// </summary>
/// <param name="camera">The Camera rendering in the LookDev</param>
/// <param name="sky">The requested Sky to use</param>
/// <param name="SRI">The StageRuntimeInterface allowing to communicate with the LookDev</param>
void IDataProvider.UpdateSky(Camera camera, Sky sky, StageRuntimeInterface SRI)
{
LookDevDataForHDRP data = (LookDevDataForHDRP)SRI.SRPData;
if (sky.cubemap == null)
{
data.visualEnvironment.skyType.Override((int)0); //Skytype.None do not really exist
data.additionalCameraData.clearColorMode = HDAdditionalCameraData.ClearColorMode.Color;
}
else
{
data.visualEnvironment.skyType.Override((int)SkyType.HDRI);
data.sky.hdriSky.Override(sky.cubemap);
data.sky.rotation.Override(sky.longitudeOffset);
data.additionalCameraData.clearColorMode = HDAdditionalCameraData.ClearColorMode.Sky;
}
}
void IDataProvider.UpdateSky(Camera camera, Cubemap skybox, StageRuntimeInterface SRI)
{
//[TODO: add rotation and intensity]
LookDevDataForHDRP data = (LookDevDataForHDRP)SRI.SRPData;
if (skybox == null)
{
data.visualEnvironment.skyType.Override((int)0); //Skytype.None do not really exist
data.additionalCameraData.clearColorMode = HDAdditionalCameraData.ClearColorMode.Color;
}
else
{
data.visualEnvironment.skyType.Override((int)SkyType.HDRISky);
data.sky.hdriSky.Override(skybox);
data.additionalCameraData.clearColorMode = HDAdditionalCameraData.ClearColorMode.Sky;
}
}
/// <summary>
/// The HDRP implementation for the callback that the look dev raises to process any necessary cleanup.
/// </summary>
/// <param name="SRI">Access element of the LookDev's scene</param>
void IDataProvider.Cleanup(StageRuntimeInterface SRI)
{
LookDevDataForHDRP data = (LookDevDataForHDRP)SRI.SRPData;
CoreUtils.Destroy(data.volume.sharedProfile);
}
/// <summary>
/// This hook allows HDRP to apply some changes after the LookDev's Camera render.
/// Should mainly be used for view isolation.
/// </summary>
/// <param name="SRI">The StageRuntimeInterface allowing to communicate with the LookDev</param>
void IDataProvider.OnEndRendering(StageRuntimeInterface SRI)
{
LookDevDataForHDRP data = (LookDevDataForHDRP)SRI.SRPData;
data.volume.enabled = false;
}
