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); }
internal static long GetApproxCacheSizeInByte(int nbElement, int resolution, int sliceSize) { return(TextureCacheCubemap.GetApproxCacheSizeInByte(nbElement, resolution, sliceSize)); }