config.json

{
  "fullScreen": false,
  "vsync": false,
  "windowWidth": 1280,
  "windowHeight": 800,
  "sampleCount": 4, // multisample anti-aliasing
  "lodBias": 0, // sampler bias. positive is blurrier
  "anisotropy": 4, // sampler anisotropy

  "directStorage": true, // use directstorage vs. dedicated thread with ReadFile() and CopyTiles()
  "stagingSizeMB": 256, // size of the staging buffer for DirectStorage or reference streaming code

  "addAliasingBarriers": false, //// adds a barrier for each streaming resource: alias(nullptr, pResource)

  "adapter": "", // in a multi-adapter system, searches description for substring ignoring case e.g. "intel"

  "animationrate": 0, // rotation of individual objects
  "cameraRate": 0, // camera motion rate
  "rollerCoaster": false, // fly through, vs. orbiting, planets

  "mediaDir": "media", // media directory
  "texture": "", // setting this overrides all textures, invalidates mediadir
  "skyTexture": "", // add a sky sphere. path relative to mediadir
  "earthTexture": "", // when this texture is encountered, treat it as spherically projected (no uv mirror)
  "terrainTexture": "4kTiles.xet", // use this texture only for the terrain, no planets
  "maxNumObjects": 985, // maximum total number of objects in the scene
  "numSpheres": 0, // number of objects besides the terrain
  "lightFromView": false, // light direction is look direction

  "maxFeedbackTime": 5.0, // maximum milliseconds for GPU to resolve feedback

  "visualizeMinMip": false, // color overlayed onto texture by PS corresponding to mip level
  "hideFeedback": false, // hide the terrain feedback windows
  "hideUI": false, // hide the UI
  "miniUI": false, // use "lite" UI (bandwidth & heap occupancy only)

  "updateAll": false, // update feedback for every object every frame

  "heapSizeTiles": 24576, // size for each heap. 64KB per tile * 16384 tiles -> 1GB heap
  "numHeaps": 1, // number of heaps. objects will be distributed among heaps
  "maxTileUpdatesPerApiCall": 4096, // limit to # tiles passed to D3D12 UpdateTileMappings()

  // maximum number of in-flight command lists
  // note a command list can only target a single resource
  // based on guidance around maximum outstanding SSD read requests: drives aren't expected to benefit from lots of queueing
  // more queueing is counter-productive, as copies might arrive after the target is no longer visible
  "numStreamingBatches": 64,

  "waitForAssetLoad": false,

  "timingStart": 0, // start recording statistics this frame
  "timingStop": 0, // stop recording statistics this frame
  "timingFileFrames": "", // file name for per-frame statistics. no statistics unless set. ".csv" will be appended
  "exitImageFile": "", // if set, outputs final image on exit. extension (e.g. .png) will be appended

  // sphere geometry
  "sphereLong": 64, // # steps vertically. must be even
  "sphereLat": 65, // # steps around. must be odd

  // terrain (heightmap) geometry
  "terrainSideSize": 128, // resolution of terrain vertex buffer, e.g. 256x256 grid
  "heightScale": 50,
  "noiseScale": 25,
  "octaves": 8,
  "mountainSize": 4000
}