public LightCookieManager(HDRenderPipelineAsset hdAsset, int maxCacheSize)
{
// Keep track of the render pipeline asset
m_RenderPipelineAsset = hdAsset;
var hdResources = HDRenderPipeline.defaultAsset.renderPipelineResources;
// Create the texture cookie cache that we shall be using for the area lights
GlobalLightLoopSettings gLightLoopSettings = hdAsset.currentPlatformRenderPipelineSettings.lightLoopSettings;
// Also make sure to create the engine material that is used for the filtering
m_MaterialFilterAreaLights = CoreUtils.CreateEngineMaterial(hdResources.shaders.filterAreaLightCookiesPS);
int cookieCubeSize = gLightLoopSettings.cubeCookieTexArraySize;
int cookieAtlasSize = (int)gLightLoopSettings.cookieAtlasSize;
cookieFormat = (GraphicsFormat)gLightLoopSettings.cookieFormat;
cookieAtlasLastValidMip = gLightLoopSettings.cookieAtlasLastValidMip;
m_CookieAtlas = new PowerOfTwoTextureAtlas(cookieAtlasSize, gLightLoopSettings.cookieAtlasLastValidMip, cookieFormat, name: "Cookie Atlas (Punctual Lights)", useMipMap: true);
m_CubeToPanoMaterial = CoreUtils.CreateEngineMaterial(hdResources.shaders.cubeToPanoPS);
m_CubeCookieTexArray = new TextureCacheCubemap("Cookie");
int cookieCubeResolution = (int)gLightLoopSettings.pointCookieSize;
if (TextureCacheCubemap.GetApproxCacheSizeInByte(cookieCubeSize, cookieCubeResolution, 1) > HDRenderPipeline.k_MaxCacheSize)
{
cookieCubeSize = TextureCacheCubemap.GetMaxCacheSizeForWeightInByte(HDRenderPipeline.k_MaxCacheSize, cookieCubeResolution, 1);
}
// For now the cubemap cookie array format is hardcoded to R8G8B8A8 SRGB.
m_CubeCookieTexArray.AllocTextureArray(cookieCubeSize, cookieCubeResolution, cookieFormat, true, m_CubeToPanoMaterial);
}
public void Release()
{
CoreUtils.Destroy(m_MaterialFilterAreaLights);
CoreUtils.Destroy(m_CubeToPanoMaterial);
if (m_TempRenderTexture0 != null)
{
m_TempRenderTexture0.Release();
m_TempRenderTexture0 = null;
}
if (m_TempRenderTexture1 != null)
{
m_TempRenderTexture1.Release();
m_TempRenderTexture1 = null;
}
if (m_CookieAtlas != null)
{
m_CookieAtlas.Release();
m_CookieAtlas = null;
}
if (m_CubeCookieTexArray != null)
{
m_CubeCookieTexArray.Release();
m_CubeCookieTexArray = null;
}
}
public PlanarReflectionProbeCache(RenderPipelineResources defaultResources, IBLFilterGGX iblFilter, int atlasResolution, GraphicsFormat probeFormat, bool isMipmaped)
{
m_ConvertTextureMaterial = CoreUtils.CreateEngineMaterial(defaultResources.shaders.blitCubeTextureFacePS);
m_ConvertTextureMPB = new MaterialPropertyBlock();
m_ProbeSize = atlasResolution;
m_TextureAtlas = new PowerOfTwoTextureAtlas(atlasResolution, 0, probeFormat, useMipMap: isMipmaped, name: "PlanarReflectionProbe Atlas");
m_IBLFilterGGX = iblFilter;
m_ProbeFormat = probeFormat;
}
public PlanarReflectionProbeCache(RenderPipelineResources defaultResources, IBLFilterGGX iblFilter, int atlasResolution, GraphicsFormat probeFormat, bool isMipmaped)
{
m_ConvertTextureMaterial = CoreUtils.CreateEngineMaterial(defaultResources.shaders.blitCubeTextureFacePS);
m_ConvertTextureMPB = new MaterialPropertyBlock();
// BC6H requires CPP feature not yet available
probeFormat = GraphicsFormat.R16G16B16A16_SFloat;
Debug.Assert(probeFormat == GraphicsFormat.RGB_BC6H_SFloat || probeFormat == GraphicsFormat.R16G16B16A16_SFloat, "Reflection Probe Cache format for HDRP can only be BC6H or FP16.");
m_ProbeSize = atlasResolution;
m_TextureAtlas = new PowerOfTwoTextureAtlas(atlasResolution, 0, probeFormat, useMipMap: isMipmaped, name: "PlanarReflectionProbe Atlas");
m_IBLFilterGGX = iblFilter;
m_PerformBC6HCompression = probeFormat == GraphicsFormat.RGB_BC6H_SFloat;
}
public LightCookieManager(HDRenderPipelineAsset hdAsset, int maxCacheSize)
{
// Keep track of the render pipeline asset
m_RenderPipelineAsset = hdAsset;
var hdResources = HDRenderPipeline.defaultAsset.renderPipelineResources;
// Create the texture cookie cache that we shall be using for the area lights
GlobalLightLoopSettings gLightLoopSettings = hdAsset.currentPlatformRenderPipelineSettings.lightLoopSettings;
// Also make sure to create the engine material that is used for the filtering
m_MaterialFilterAreaLights = CoreUtils.CreateEngineMaterial(hdResources.shaders.filterAreaLightCookiesPS);
int cookieAtlasSize = (int)gLightLoopSettings.cookieAtlasSize;
cookieFormat = (GraphicsFormat)gLightLoopSettings.cookieFormat;
cookieAtlasLastValidMip = gLightLoopSettings.cookieAtlasLastValidMip;
m_CookieAtlas = new PowerOfTwoTextureAtlas(cookieAtlasSize, gLightLoopSettings.cookieAtlasLastValidMip, cookieFormat, name: "Cookie Atlas (Punctual Lights)", useMipMap: true);
m_CookieCubeResolution = (int)gLightLoopSettings.pointCookieSize;
}
internal static int GetMaxCacheSizeForWeightInByte(int weight, GraphicsFormat format) => PowerOfTwoTextureAtlas.GetMaxCacheSizeForWeightInByte(weight, true, format);
internal static long GetApproxCacheSizeInByte(int nbElement, int atlasResolution, GraphicsFormat format) => PowerOfTwoTextureAtlas.GetApproxCacheSizeInByte(nbElement, atlasResolution, true, format);
