public override void Build(HDRenderPipelineAsset hdAsset, HDRenderPipelineRuntimeResources defaultResources)
{
// Create Materials
m_preIntegratedFGDMaterial_Ward = CoreUtils.CreateEngineMaterial(defaultResources.shaders.preIntegratedFGD_WardPS);
if (m_preIntegratedFGDMaterial_Ward == null)
{
throw new Exception("Failed to create material for Ward BRDF pre-integration!");
}
m_preIntegratedFGDMaterial_CookTorrance = CoreUtils.CreateEngineMaterial(defaultResources.shaders.preIntegratedFGD_CookTorrancePS);
if (m_preIntegratedFGDMaterial_CookTorrance == null)
{
throw new Exception("Failed to create material for Cook-Torrance BRDF pre-integration!");
}
// Create render textures where we will render the FGD tables
m_preIntegratedFGD_Ward = new RenderTexture(128, 128, 0, GraphicsFormat.A2B10G10R10_UNormPack32);
m_preIntegratedFGD_Ward.hideFlags = HideFlags.HideAndDontSave;
m_preIntegratedFGD_Ward.filterMode = FilterMode.Bilinear;
m_preIntegratedFGD_Ward.wrapMode = TextureWrapMode.Clamp;
m_preIntegratedFGD_Ward.hideFlags = HideFlags.DontSave;
m_preIntegratedFGD_Ward.name = CoreUtils.GetRenderTargetAutoName(128, 128, 1, GraphicsFormat.A2B10G10R10_UNormPack32, "PreIntegratedFGD_Ward");
m_preIntegratedFGD_Ward.Create();
m_preIntegratedFGD_CookTorrance = new RenderTexture(128, 128, 0, GraphicsFormat.A2B10G10R10_UNormPack32);
m_preIntegratedFGD_CookTorrance.hideFlags = HideFlags.HideAndDontSave;
m_preIntegratedFGD_CookTorrance.filterMode = FilterMode.Bilinear;
m_preIntegratedFGD_CookTorrance.wrapMode = TextureWrapMode.Clamp;
m_preIntegratedFGD_CookTorrance.hideFlags = HideFlags.DontSave;
m_preIntegratedFGD_CookTorrance.name = CoreUtils.GetRenderTargetAutoName(128, 128, 1, GraphicsFormat.A2B10G10R10_UNormPack32, "PreIntegratedFGD_CookTorrance");
m_preIntegratedFGD_CookTorrance.Create();
// LTC data
m_LtcData = new Texture2DArray(LTCAreaLight.k_LtcLUTResolution, LTCAreaLight.k_LtcLUTResolution, 3, GraphicsFormat.R16G16B16A16_SFloat, TextureCreationFlags.None)
{
hideFlags = HideFlags.HideAndDontSave,
wrapMode = TextureWrapMode.Clamp,
filterMode = FilterMode.Bilinear,
name = CoreUtils.GetTextureAutoName(LTCAreaLight.k_LtcLUTResolution, LTCAreaLight.k_LtcLUTResolution, GraphicsFormat.R16G16B16A16_SFloat, depth: 2, dim: TextureDimension.Tex2DArray, name: "LTC_LUT")
};
// Caution: This need to match order define in AxFLTCAreaLight
LTCAreaLight.LoadLUT(m_LtcData, 0, GraphicsFormat.R16G16B16A16_SFloat, LTCAreaLight.s_LtcMatrixData_GGX);
// Warning: check /Material/AxF/AxFLTCAreaLight/LtcData.GGX2.cs: 5 columns are needed, the entries are NOT normalized!
// For now, we patch for this in LoadLUT, which should affect the loading of s_LtcGGXMatrixData for the rest of the materials
// (Lit, etc.)
m_LtcData.Apply();
// TODO BugFix:
// We still bind the original data for now, see AxFLTCAreaLight.hlsl: when using a local table, results differ,
// even if we patch the non-normalization error in the 8th column when calling the LTCInvMatrix loading routine (LoadLUT).
LTCAreaLight.instance.Build();
}
public override void Build(HDRenderPipelineAsset hdAsset, RenderPipelineResources defaultResources)
{
var hdrp = GraphicsSettings.renderPipelineAsset as HDRenderPipelineAsset;
// Create Materials
m_preIntegratedFGDMaterial_Ward = CoreUtils.CreateEngineMaterial(defaultResources.shaders.preIntegratedFGD_WardPS);
if (m_preIntegratedFGDMaterial_Ward == null)
{
throw new Exception("Failed to create material for Ward BRDF pre-integration!");
}
m_preIntegratedFGDMaterial_CookTorrance = CoreUtils.CreateEngineMaterial(defaultResources.shaders.preIntegratedFGD_CookTorrancePS);
if (m_preIntegratedFGDMaterial_CookTorrance == null)
{
throw new Exception("Failed to create material for Cook-Torrance BRDF pre-integration!");
}
// Create render textures where we will render the FGD tables
m_preIntegratedFGD_Ward = new RenderTexture(128, 128, 0, RenderTextureFormat.ARGB2101010, RenderTextureReadWrite.Linear);
m_preIntegratedFGD_Ward.hideFlags = HideFlags.HideAndDontSave;
m_preIntegratedFGD_Ward.filterMode = FilterMode.Bilinear;
m_preIntegratedFGD_Ward.wrapMode = TextureWrapMode.Clamp;
m_preIntegratedFGD_Ward.hideFlags = HideFlags.DontSave;
m_preIntegratedFGD_Ward.name = CoreUtils.GetRenderTargetAutoName(128, 128, 1, RenderTextureFormat.ARGB2101010, "PreIntegratedFGD_Ward");
m_preIntegratedFGD_Ward.Create();
m_preIntegratedFGD_CookTorrance = new RenderTexture(128, 128, 0, RenderTextureFormat.ARGB2101010, RenderTextureReadWrite.Linear);
m_preIntegratedFGD_CookTorrance.hideFlags = HideFlags.HideAndDontSave;
m_preIntegratedFGD_CookTorrance.filterMode = FilterMode.Bilinear;
m_preIntegratedFGD_CookTorrance.wrapMode = TextureWrapMode.Clamp;
m_preIntegratedFGD_CookTorrance.hideFlags = HideFlags.DontSave;
m_preIntegratedFGD_CookTorrance.name = CoreUtils.GetRenderTargetAutoName(128, 128, 1, RenderTextureFormat.ARGB2101010, "PreIntegratedFGD_CookTorrance");
m_preIntegratedFGD_CookTorrance.Create();
// LTC data
m_LtcData = new Texture2DArray(LTCAreaLight.k_LtcLUTResolution, LTCAreaLight.k_LtcLUTResolution, 3, TextureFormat.RGBAHalf, false /*mipmap*/, true /* linear */)
{
hideFlags = HideFlags.HideAndDontSave,
wrapMode = TextureWrapMode.Clamp,
filterMode = FilterMode.Bilinear,
name = CoreUtils.GetTextureAutoName(LTCAreaLight.k_LtcLUTResolution, LTCAreaLight.k_LtcLUTResolution, TextureFormat.RGBAHalf, depth: 2, dim: TextureDimension.Tex2DArray, name: "LTC_LUT")
};
// Caution: This need to match order define in AxFLTCAreaLight
LTCAreaLight.LoadLUT(m_LtcData, 0, TextureFormat.RGBAHalf, LTCAreaLight.s_LtcMatrixData_GGX);
m_LtcData.Apply();
}