import BoundingSphere from "../Core/BoundingSphere.js";
|
import BoxOutlineGeometry from "../Core/BoxOutlineGeometry.js";
|
import Cartesian2 from "../Core/Cartesian2.js";
|
import Cartesian3 from "../Core/Cartesian3.js";
|
import Cartesian4 from "../Core/Cartesian4.js";
|
import Cartographic from "../Core/Cartographic.js";
|
import clone from "../Core/clone.js";
|
import Color from "../Core/Color.js";
|
import ColorGeometryInstanceAttribute from "../Core/ColorGeometryInstanceAttribute.js";
|
import combine from "../Core/combine.js";
|
import defaultValue from "../Core/defaultValue.js";
|
import defined from "../Core/defined.js";
|
import destroyObject from "../Core/destroyObject.js";
|
import DeveloperError from "../Core/DeveloperError.js";
|
import Event from "../Core/Event.js";
|
import GeometryInstance from "../Core/GeometryInstance.js";
|
import GeometryPipeline from "../Core/GeometryPipeline.js";
|
import IndexDatatype from "../Core/IndexDatatype.js";
|
import Intersect from "../Core/Intersect.js";
|
import CesiumMath from "../Core/Math.js";
|
import Matrix4 from "../Core/Matrix4.js";
|
import NearFarScalar from "../Core/NearFarScalar.js";
|
import OrientedBoundingBox from "../Core/OrientedBoundingBox.js";
|
import OrthographicFrustum from "../Core/OrthographicFrustum.js";
|
import PrimitiveType from "../Core/PrimitiveType.js";
|
import Rectangle from "../Core/Rectangle.js";
|
import SphereOutlineGeometry from "../Core/SphereOutlineGeometry.js";
|
import TerrainExaggeration from "../Core/TerrainExaggeration.js";
|
import TerrainQuantization from "../Core/TerrainQuantization.js";
|
import Visibility from "../Core/Visibility.js";
|
import WebMercatorProjection from "../Core/WebMercatorProjection.js";
|
import Buffer from "../Renderer/Buffer.js";
|
import BufferUsage from "../Renderer/BufferUsage.js";
|
import ContextLimits from "../Renderer/ContextLimits.js";
|
import DrawCommand from "../Renderer/DrawCommand.js";
|
import Pass from "../Renderer/Pass.js";
|
import RenderState from "../Renderer/RenderState.js";
|
import VertexArray from "../Renderer/VertexArray.js";
|
import BlendingState from "./BlendingState.js";
|
import ClippingPlaneCollection from "./ClippingPlaneCollection.js";
|
import DepthFunction from "./DepthFunction.js";
|
import GlobeSurfaceTile from "./GlobeSurfaceTile.js";
|
import ImageryLayer from "./ImageryLayer.js";
|
import ImageryState from "./ImageryState.js";
|
import PerInstanceColorAppearance from "./PerInstanceColorAppearance.js";
|
import Primitive from "./Primitive.js";
|
import QuadtreeTileLoadState from "./QuadtreeTileLoadState.js";
|
import SceneMode from "./SceneMode.js";
|
import ShadowMode from "./ShadowMode.js";
|
import TerrainFillMesh from "./TerrainFillMesh.js";
|
import TerrainState from "./TerrainState.js";
|
import TileBoundingRegion from "./TileBoundingRegion.js";
|
import TileSelectionResult from "./TileSelectionResult.js";
|
|
/**
|
* Provides quadtree tiles representing the surface of the globe. This type is intended to be used
|
* with {@link QuadtreePrimitive}.
|
*
|
* @alias GlobeSurfaceTileProvider
|
* @constructor
|
*
|
* @param {TerrainProvider} options.terrainProvider The terrain provider that describes the surface geometry.
|
* @param {ImageryLayerCollection} option.imageryLayers The collection of imagery layers describing the shading of the surface.
|
* @param {GlobeSurfaceShaderSet} options.surfaceShaderSet The set of shaders used to render the surface.
|
*
|
* @private
|
*/
|
function GlobeSurfaceTileProvider(options) {
|
//>>includeStart('debug', pragmas.debug);
|
if (!defined(options)) {
|
throw new DeveloperError("options is required.");
|
}
|
if (!defined(options.terrainProvider)) {
|
throw new DeveloperError("options.terrainProvider is required.");
|
} else if (!defined(options.imageryLayers)) {
|
throw new DeveloperError("options.imageryLayers is required.");
|
} else if (!defined(options.surfaceShaderSet)) {
|
throw new DeveloperError("options.surfaceShaderSet is required.");
|
}
|
//>>includeEnd('debug');
|
|
this.lightingFadeOutDistance = 6500000.0;
|
this.lightingFadeInDistance = 9000000.0;
|
this.hasWaterMask = false;
|
this.oceanNormalMap = undefined;
|
this.zoomedOutOceanSpecularIntensity = 0.5;
|
this.enableLighting = false;
|
this.dynamicAtmosphereLighting = false;
|
this.dynamicAtmosphereLightingFromSun = false;
|
this.showGroundAtmosphere = false;
|
this.shadows = ShadowMode.RECEIVE_ONLY;
|
|
/**
|
* The color to use to highlight terrain fill tiles. If undefined, fill tiles are not
|
* highlighted at all. The alpha value is used to alpha blend with the tile's
|
* actual color. Because terrain fill tiles do not represent the actual terrain surface,
|
* it may be useful in some applications to indicate visually that they are not to be trusted.
|
* @type {Color}
|
* @default undefined
|
*/
|
this.fillHighlightColor = undefined;
|
|
this.hueShift = 0.0;
|
this.saturationShift = 0.0;
|
this.brightnessShift = 0.0;
|
|
this.showSkirts = true;
|
this.backFaceCulling = true;
|
this.undergroundColor = undefined;
|
this.undergroundColorAlphaByDistance = undefined;
|
|
this.materialUniformMap = undefined;
|
this._materialUniformMap = undefined;
|
|
this._quadtree = undefined;
|
this._terrainProvider = options.terrainProvider;
|
this._imageryLayers = options.imageryLayers;
|
this._surfaceShaderSet = options.surfaceShaderSet;
|
|
this._renderState = undefined;
|
this._blendRenderState = undefined;
|
this._disableCullingRenderState = undefined;
|
this._disableCullingBlendRenderState = undefined;
|
|
this._errorEvent = new Event();
|
|
this._imageryLayers.layerAdded.addEventListener(
|
GlobeSurfaceTileProvider.prototype._onLayerAdded,
|
this
|
);
|
this._imageryLayers.layerRemoved.addEventListener(
|
GlobeSurfaceTileProvider.prototype._onLayerRemoved,
|
this
|
);
|
this._imageryLayers.layerMoved.addEventListener(
|
GlobeSurfaceTileProvider.prototype._onLayerMoved,
|
this
|
);
|
this._imageryLayers.layerShownOrHidden.addEventListener(
|
GlobeSurfaceTileProvider.prototype._onLayerShownOrHidden,
|
this
|
);
|
this._imageryLayersUpdatedEvent = new Event();
|
|
this._layerOrderChanged = false;
|
|
this._tilesToRenderByTextureCount = [];
|
this._drawCommands = [];
|
this._uniformMaps = [];
|
this._usedDrawCommands = 0;
|
|
this._vertexArraysToDestroy = [];
|
|
this._debug = {
|
wireframe: false,
|
boundingSphereTile: undefined,
|
};
|
|
this._baseColor = undefined;
|
this._firstPassInitialColor = undefined;
|
this.baseColor = new Color(0.0, 0.0, 0.5, 1.0);
|
|
/**
|
* A property specifying a {@link ClippingPlaneCollection} used to selectively disable rendering on the outside of each plane.
|
* @type {ClippingPlaneCollection}
|
* @private
|
*/
|
this._clippingPlanes = undefined;
|
|
/**
|
* A property specifying a {@link Rectangle} used to selectively limit terrain and imagery rendering.
|
* @type {Rectangle}
|
*/
|
this.cartographicLimitRectangle = Rectangle.clone(Rectangle.MAX_VALUE);
|
|
this._hasLoadedTilesThisFrame = false;
|
this._hasFillTilesThisFrame = false;
|
|
this._oldTerrainExaggeration = undefined;
|
this._oldTerrainExaggerationRelativeHeight = undefined;
|
}
|
|
Object.defineProperties(GlobeSurfaceTileProvider.prototype, {
|
/**
|
* Gets or sets the color of the globe when no imagery is available.
|
* @memberof GlobeSurfaceTileProvider.prototype
|
* @type {Color}
|
*/
|
baseColor: {
|
get: function () {
|
return this._baseColor;
|
},
|
set: function (value) {
|
//>>includeStart('debug', pragmas.debug);
|
if (!defined(value)) {
|
throw new DeveloperError("value is required.");
|
}
|
//>>includeEnd('debug');
|
|
this._baseColor = value;
|
this._firstPassInitialColor = Cartesian4.fromColor(
|
value,
|
this._firstPassInitialColor
|
);
|
},
|
},
|
/**
|
* Gets or sets the {@link QuadtreePrimitive} for which this provider is
|
* providing tiles. This property may be undefined if the provider is not yet associated
|
* with a {@link QuadtreePrimitive}.
|
* @memberof GlobeSurfaceTileProvider.prototype
|
* @type {QuadtreePrimitive}
|
*/
|
quadtree: {
|
get: function () {
|
return this._quadtree;
|
},
|
set: function (value) {
|
//>>includeStart('debug', pragmas.debug);
|
if (!defined(value)) {
|
throw new DeveloperError("value is required.");
|
}
|
//>>includeEnd('debug');
|
|
this._quadtree = value;
|
},
|
},
|
|
/**
|
* Gets a value indicating whether or not the provider is ready for use.
|
* @memberof GlobeSurfaceTileProvider.prototype
|
* @type {Boolean}
|
*/
|
ready: {
|
get: function () {
|
return (
|
this._terrainProvider.ready &&
|
(this._imageryLayers.length === 0 ||
|
this._imageryLayers.get(0).imageryProvider.ready)
|
);
|
},
|
},
|
|
/**
|
* Gets the tiling scheme used by the provider. This property should
|
* not be accessed before {@link GlobeSurfaceTileProvider#ready} returns true.
|
* @memberof GlobeSurfaceTileProvider.prototype
|
* @type {TilingScheme}
|
*/
|
tilingScheme: {
|
get: function () {
|
return this._terrainProvider.tilingScheme;
|
},
|
},
|
|
/**
|
* Gets an event that is raised when the geometry provider encounters an asynchronous error. By subscribing
|
* to the event, you will be notified of the error and can potentially recover from it. Event listeners
|
* are passed an instance of {@link TileProviderError}.
|
* @memberof GlobeSurfaceTileProvider.prototype
|
* @type {Event}
|
*/
|
errorEvent: {
|
get: function () {
|
return this._errorEvent;
|
},
|
},
|
|
/**
|
* Gets an event that is raised when an imagery layer is added, shown, hidden, moved, or removed.
|
* @memberof GlobeSurfaceTileProvider.prototype
|
* @type {Event}
|
*/
|
imageryLayersUpdatedEvent: {
|
get: function () {
|
return this._imageryLayersUpdatedEvent;
|
},
|
},
|
|
/**
|
* Gets or sets the terrain provider that describes the surface geometry.
|
* @memberof GlobeSurfaceTileProvider.prototype
|
* @type {TerrainProvider}
|
*/
|
terrainProvider: {
|
get: function () {
|
return this._terrainProvider;
|
},
|
set: function (terrainProvider) {
|
if (this._terrainProvider === terrainProvider) {
|
return;
|
}
|
|
//>>includeStart('debug', pragmas.debug);
|
if (!defined(terrainProvider)) {
|
throw new DeveloperError("terrainProvider is required.");
|
}
|
//>>includeEnd('debug');
|
|
this._terrainProvider = terrainProvider;
|
|
if (defined(this._quadtree)) {
|
this._quadtree.invalidateAllTiles();
|
}
|
},
|
},
|
/**
|
* The {@link ClippingPlaneCollection} used to selectively disable rendering the tileset.
|
*
|
* @type {ClippingPlaneCollection}
|
*
|
* @private
|
*/
|
clippingPlanes: {
|
get: function () {
|
return this._clippingPlanes;
|
},
|
set: function (value) {
|
ClippingPlaneCollection.setOwner(value, this, "_clippingPlanes");
|
},
|
},
|
});
|
|
function sortTileImageryByLayerIndex(a, b) {
|
var aImagery = a.loadingImagery;
|
if (!defined(aImagery)) {
|
aImagery = a.readyImagery;
|
}
|
|
var bImagery = b.loadingImagery;
|
if (!defined(bImagery)) {
|
bImagery = b.readyImagery;
|
}
|
|
return aImagery.imageryLayer._layerIndex - bImagery.imageryLayer._layerIndex;
|
}
|
|
/**
|
* Make updates to the tile provider that are not involved in rendering. Called before the render update cycle.
|
*/
|
GlobeSurfaceTileProvider.prototype.update = function (frameState) {
|
// update collection: imagery indices, base layers, raise layer show/hide event
|
this._imageryLayers._update();
|
};
|
|
function updateCredits(surface, frameState) {
|
var creditDisplay = frameState.creditDisplay;
|
if (
|
surface._terrainProvider.ready &&
|
defined(surface._terrainProvider.credit)
|
) {
|
creditDisplay.addCredit(surface._terrainProvider.credit);
|
}
|
|
var imageryLayers = surface._imageryLayers;
|
for (var i = 0, len = imageryLayers.length; i < len; ++i) {
|
var imageryProvider = imageryLayers.get(i).imageryProvider;
|
if (imageryProvider.ready && defined(imageryProvider.credit)) {
|
creditDisplay.addCredit(imageryProvider.credit);
|
}
|
}
|
}
|
|
/**
|
* Called at the beginning of each render frame, before {@link QuadtreeTileProvider#showTileThisFrame}
|
* @param {FrameState} frameState The frame state.
|
*/
|
GlobeSurfaceTileProvider.prototype.initialize = function (frameState) {
|
// update each layer for texture reprojection.
|
this._imageryLayers.queueReprojectionCommands(frameState);
|
|
if (this._layerOrderChanged) {
|
this._layerOrderChanged = false;
|
|
// Sort the TileImagery instances in each tile by the layer index.
|
this._quadtree.forEachLoadedTile(function (tile) {
|
tile.data.imagery.sort(sortTileImageryByLayerIndex);
|
});
|
}
|
|
// Add credits for terrain and imagery providers.
|
updateCredits(this, frameState);
|
|
var vertexArraysToDestroy = this._vertexArraysToDestroy;
|
var length = vertexArraysToDestroy.length;
|
for (var j = 0; j < length; ++j) {
|
GlobeSurfaceTile._freeVertexArray(vertexArraysToDestroy[j]);
|
}
|
vertexArraysToDestroy.length = 0;
|
};
|
|
/**
|
* Called at the beginning of the update cycle for each render frame, before {@link QuadtreeTileProvider#showTileThisFrame}
|
* or any other functions.
|
*
|
* @param {FrameState} frameState The frame state.
|
*/
|
GlobeSurfaceTileProvider.prototype.beginUpdate = function (frameState) {
|
var tilesToRenderByTextureCount = this._tilesToRenderByTextureCount;
|
for (var i = 0, len = tilesToRenderByTextureCount.length; i < len; ++i) {
|
var tiles = tilesToRenderByTextureCount[i];
|
if (defined(tiles)) {
|
tiles.length = 0;
|
}
|
}
|
// update clipping planes
|
var clippingPlanes = this._clippingPlanes;
|
if (defined(clippingPlanes) && clippingPlanes.enabled) {
|
clippingPlanes.update(frameState);
|
}
|
this._usedDrawCommands = 0;
|
|
this._hasLoadedTilesThisFrame = false;
|
this._hasFillTilesThisFrame = false;
|
};
|
|
/**
|
* Called at the end of the update cycle for each render frame, after {@link QuadtreeTileProvider#showTileThisFrame}
|
* and any other functions.
|
*
|
* @param {FrameState} frameState The frame state.
|
*/
|
GlobeSurfaceTileProvider.prototype.endUpdate = function (frameState) {
|
if (!defined(this._renderState)) {
|
this._renderState = RenderState.fromCache({
|
// Write color and depth
|
cull: {
|
enabled: true,
|
},
|
depthTest: {
|
enabled: true,
|
func: DepthFunction.LESS,
|
},
|
});
|
|
this._blendRenderState = RenderState.fromCache({
|
// Write color and depth
|
cull: {
|
enabled: true,
|
},
|
depthTest: {
|
enabled: true,
|
func: DepthFunction.LESS_OR_EQUAL,
|
},
|
blending: BlendingState.ALPHA_BLEND,
|
});
|
|
var rs = clone(this._renderState, true);
|
rs.cull.enabled = false;
|
this._disableCullingRenderState = RenderState.fromCache(rs);
|
|
rs = clone(this._blendRenderState, true);
|
rs.cull.enabled = false;
|
this._disableCullingBlendRenderState = RenderState.fromCache(rs);
|
}
|
|
// If this frame has a mix of loaded and fill tiles, we need to propagate
|
// loaded heights to the fill tiles.
|
if (this._hasFillTilesThisFrame && this._hasLoadedTilesThisFrame) {
|
TerrainFillMesh.updateFillTiles(
|
this,
|
this._quadtree._tilesToRender,
|
frameState,
|
this._vertexArraysToDestroy
|
);
|
}
|
|
// When terrain exaggeration changes, all of the loaded tiles need to generate
|
// geodetic surface normals so they can scale properly when rendered.
|
// When exaggeration is reset, geodetic surface normals are removed to decrease
|
// memory usage. Some tiles might have been constructed with the correct
|
// exaggeration already, so skip over them.
|
|
// If the geodetic surface normals can't be created because the tile doesn't
|
// have a mesh, keep checking until the tile does have a mesh. This can happen
|
// if the tile's mesh starts construction in a worker thread right before the
|
// exaggeration changes.
|
|
var quadtree = this.quadtree;
|
var exaggeration = frameState.terrainExaggeration;
|
var exaggerationRelativeHeight = frameState.terrainExaggerationRelativeHeight;
|
var exaggerationChanged =
|
this._oldTerrainExaggeration !== exaggeration ||
|
this._oldTerrainExaggerationRelativeHeight !== exaggerationRelativeHeight;
|
|
// Keep track of the next time there is a change in exaggeration
|
this._oldTerrainExaggeration = exaggeration;
|
this._oldTerrainExaggerationRelativeHeight = exaggerationRelativeHeight;
|
|
if (exaggerationChanged) {
|
quadtree.forEachLoadedTile(function (tile) {
|
var surfaceTile = tile.data;
|
surfaceTile.updateExaggeration(tile, frameState, quadtree);
|
});
|
}
|
|
// Add the tile render commands to the command list, sorted by texture count.
|
var tilesToRenderByTextureCount = this._tilesToRenderByTextureCount;
|
for (
|
var textureCountIndex = 0,
|
textureCountLength = tilesToRenderByTextureCount.length;
|
textureCountIndex < textureCountLength;
|
++textureCountIndex
|
) {
|
var tilesToRender = tilesToRenderByTextureCount[textureCountIndex];
|
if (!defined(tilesToRender)) {
|
continue;
|
}
|
|
for (
|
var tileIndex = 0, tileLength = tilesToRender.length;
|
tileIndex < tileLength;
|
++tileIndex
|
) {
|
var tile = tilesToRender[tileIndex];
|
var tileBoundingRegion = tile.data.tileBoundingRegion;
|
addDrawCommandsForTile(this, tile, frameState);
|
frameState.minimumTerrainHeight = Math.min(
|
frameState.minimumTerrainHeight,
|
tileBoundingRegion.minimumHeight
|
);
|
}
|
}
|
};
|
|
function pushCommand(command, frameState) {
|
var globeTranslucencyState = frameState.globeTranslucencyState;
|
if (globeTranslucencyState.translucent) {
|
var isBlendCommand = command.renderState.blending.enabled;
|
globeTranslucencyState.pushDerivedCommands(
|
command,
|
isBlendCommand,
|
frameState
|
);
|
} else {
|
frameState.commandList.push(command);
|
}
|
}
|
|
/**
|
* Adds draw commands for tiles rendered in the previous frame for a pick pass.
|
*
|
* @param {FrameState} frameState The frame state.
|
*/
|
GlobeSurfaceTileProvider.prototype.updateForPick = function (frameState) {
|
// Add the tile pick commands from the tiles drawn last frame.
|
var drawCommands = this._drawCommands;
|
for (var i = 0, length = this._usedDrawCommands; i < length; ++i) {
|
pushCommand(drawCommands[i], frameState);
|
}
|
};
|
|
/**
|
* Cancels any imagery re-projections in the queue.
|
*/
|
GlobeSurfaceTileProvider.prototype.cancelReprojections = function () {
|
this._imageryLayers.cancelReprojections();
|
};
|
|
/**
|
* Gets the maximum geometric error allowed in a tile at a given level, in meters. This function should not be
|
* called before {@link GlobeSurfaceTileProvider#ready} returns true.
|
*
|
* @param {Number} level The tile level for which to get the maximum geometric error.
|
* @returns {Number} The maximum geometric error in meters.
|
*/
|
GlobeSurfaceTileProvider.prototype.getLevelMaximumGeometricError = function (
|
level
|
) {
|
return this._terrainProvider.getLevelMaximumGeometricError(level);
|
};
|
|
/**
|
* Loads, or continues loading, a given tile. This function will continue to be called
|
* until {@link QuadtreeTile#state} is no longer {@link QuadtreeTileLoadState#LOADING}. This function should
|
* not be called before {@link GlobeSurfaceTileProvider#ready} returns true.
|
*
|
* @param {FrameState} frameState The frame state.
|
* @param {QuadtreeTile} tile The tile to load.
|
*
|
* @exception {DeveloperError} <code>loadTile</code> must not be called before the tile provider is ready.
|
*/
|
GlobeSurfaceTileProvider.prototype.loadTile = function (frameState, tile) {
|
// We don't want to load imagery until we're certain that the terrain tiles are actually visible.
|
// So if our bounding volume isn't accurate because it came from another tile, load terrain only
|
// initially. If we load some terrain and suddenly have a more accurate bounding volume and the
|
// tile is _still_ visible, give the tile a chance to load imagery immediately rather than
|
// waiting for next frame.
|
|
var surfaceTile = tile.data;
|
var terrainOnly = true;
|
var terrainStateBefore;
|
if (defined(surfaceTile)) {
|
terrainOnly =
|
surfaceTile.boundingVolumeSourceTile !== tile ||
|
tile._lastSelectionResult === TileSelectionResult.CULLED_BUT_NEEDED;
|
terrainStateBefore = surfaceTile.terrainState;
|
}
|
|
GlobeSurfaceTile.processStateMachine(
|
tile,
|
frameState,
|
this.terrainProvider,
|
this._imageryLayers,
|
this.quadtree,
|
this._vertexArraysToDestroy,
|
terrainOnly
|
);
|
|
surfaceTile = tile.data;
|
if (terrainOnly && terrainStateBefore !== tile.data.terrainState) {
|
// Terrain state changed. If:
|
// a) The tile is visible, and
|
// b) The bounding volume is accurate (updated as a side effect of computing visibility)
|
// Then we'll load imagery, too.
|
if (
|
this.computeTileVisibility(tile, frameState, this.quadtree.occluders) !==
|
Visibility.NONE &&
|
surfaceTile.boundingVolumeSourceTile === tile
|
) {
|
terrainOnly = false;
|
GlobeSurfaceTile.processStateMachine(
|
tile,
|
frameState,
|
this.terrainProvider,
|
this._imageryLayers,
|
this.quadtree,
|
this._vertexArraysToDestroy,
|
terrainOnly
|
);
|
}
|
}
|
};
|
|
var boundingSphereScratch = new BoundingSphere();
|
var rectangleIntersectionScratch = new Rectangle();
|
var splitCartographicLimitRectangleScratch = new Rectangle();
|
var rectangleCenterScratch = new Cartographic();
|
|
// cartographicLimitRectangle may span the IDL, but tiles never will.
|
function clipRectangleAntimeridian(tileRectangle, cartographicLimitRectangle) {
|
if (cartographicLimitRectangle.west < cartographicLimitRectangle.east) {
|
return cartographicLimitRectangle;
|
}
|
var splitRectangle = Rectangle.clone(
|
cartographicLimitRectangle,
|
splitCartographicLimitRectangleScratch
|
);
|
var tileCenter = Rectangle.center(tileRectangle, rectangleCenterScratch);
|
if (tileCenter.longitude > 0.0) {
|
splitRectangle.east = CesiumMath.PI;
|
} else {
|
splitRectangle.west = -CesiumMath.PI;
|
}
|
return splitRectangle;
|
}
|
|
function isUndergroundVisible(tileProvider, frameState) {
|
if (frameState.cameraUnderground) {
|
return true;
|
}
|
|
if (frameState.globeTranslucencyState.translucent) {
|
return true;
|
}
|
|
if (tileProvider.backFaceCulling) {
|
return false;
|
}
|
|
var clippingPlanes = tileProvider._clippingPlanes;
|
if (defined(clippingPlanes) && clippingPlanes.enabled) {
|
return true;
|
}
|
|
if (
|
!Rectangle.equals(
|
tileProvider.cartographicLimitRectangle,
|
Rectangle.MAX_VALUE
|
)
|
) {
|
return true;
|
}
|
|
return false;
|
}
|
|
/**
|
* Determines the visibility of a given tile. The tile may be fully visible, partially visible, or not
|
* visible at all. Tiles that are renderable and are at least partially visible will be shown by a call
|
* to {@link GlobeSurfaceTileProvider#showTileThisFrame}.
|
*
|
* @param {QuadtreeTile} tile The tile instance.
|
* @param {FrameState} frameState The state information about the current frame.
|
* @param {QuadtreeOccluders} occluders The objects that may occlude this tile.
|
*
|
* @returns {Visibility} Visibility.NONE if the tile is not visible,
|
* Visibility.PARTIAL if the tile is partially visible, or
|
* Visibility.FULL if the tile is fully visible.
|
*/
|
GlobeSurfaceTileProvider.prototype.computeTileVisibility = function (
|
tile,
|
frameState,
|
occluders
|
) {
|
var distance = this.computeDistanceToTile(tile, frameState);
|
tile._distance = distance;
|
|
var undergroundVisible = isUndergroundVisible(this, frameState);
|
|
if (frameState.fog.enabled && !undergroundVisible) {
|
if (CesiumMath.fog(distance, frameState.fog.density) >= 1.0) {
|
// Tile is completely in fog so return that it is not visible.
|
return Visibility.NONE;
|
}
|
}
|
|
var surfaceTile = tile.data;
|
var tileBoundingRegion = surfaceTile.tileBoundingRegion;
|
|
if (surfaceTile.boundingVolumeSourceTile === undefined) {
|
// We have no idea where this tile is, so let's just call it partially visible.
|
return Visibility.PARTIAL;
|
}
|
|
var cullingVolume = frameState.cullingVolume;
|
var boundingVolume = tileBoundingRegion.boundingVolume;
|
|
if (!defined(boundingVolume)) {
|
boundingVolume = tileBoundingRegion.boundingSphere;
|
}
|
|
// Check if the tile is outside the limit area in cartographic space
|
surfaceTile.clippedByBoundaries = false;
|
var clippedCartographicLimitRectangle = clipRectangleAntimeridian(
|
tile.rectangle,
|
this.cartographicLimitRectangle
|
);
|
var areaLimitIntersection = Rectangle.simpleIntersection(
|
clippedCartographicLimitRectangle,
|
tile.rectangle,
|
rectangleIntersectionScratch
|
);
|
if (!defined(areaLimitIntersection)) {
|
return Visibility.NONE;
|
}
|
if (!Rectangle.equals(areaLimitIntersection, tile.rectangle)) {
|
surfaceTile.clippedByBoundaries = true;
|
}
|
|
if (frameState.mode !== SceneMode.SCENE3D) {
|
boundingVolume = boundingSphereScratch;
|
BoundingSphere.fromRectangleWithHeights2D(
|
tile.rectangle,
|
frameState.mapProjection,
|
tileBoundingRegion.minimumHeight,
|
tileBoundingRegion.maximumHeight,
|
boundingVolume
|
);
|
Cartesian3.fromElements(
|
boundingVolume.center.z,
|
boundingVolume.center.x,
|
boundingVolume.center.y,
|
boundingVolume.center
|
);
|
|
if (
|
frameState.mode === SceneMode.MORPHING &&
|
defined(surfaceTile.renderedMesh)
|
) {
|
boundingVolume = BoundingSphere.union(
|
tileBoundingRegion.boundingSphere,
|
boundingVolume,
|
boundingVolume
|
);
|
}
|
}
|
|
if (!defined(boundingVolume)) {
|
return Visibility.PARTIAL;
|
}
|
|
var clippingPlanes = this._clippingPlanes;
|
if (defined(clippingPlanes) && clippingPlanes.enabled) {
|
var planeIntersection = clippingPlanes.computeIntersectionWithBoundingVolume(
|
boundingVolume
|
);
|
tile.isClipped = planeIntersection !== Intersect.INSIDE;
|
if (planeIntersection === Intersect.OUTSIDE) {
|
return Visibility.NONE;
|
}
|
}
|
|
var visibility;
|
var intersection = cullingVolume.computeVisibility(boundingVolume);
|
|
if (intersection === Intersect.OUTSIDE) {
|
visibility = Visibility.NONE;
|
} else if (intersection === Intersect.INTERSECTING) {
|
visibility = Visibility.PARTIAL;
|
} else if (intersection === Intersect.INSIDE) {
|
visibility = Visibility.FULL;
|
}
|
|
if (visibility === Visibility.NONE) {
|
return visibility;
|
}
|
|
var ortho3D =
|
frameState.mode === SceneMode.SCENE3D &&
|
frameState.camera.frustum instanceof OrthographicFrustum;
|
if (
|
frameState.mode === SceneMode.SCENE3D &&
|
!ortho3D &&
|
defined(occluders) &&
|
!undergroundVisible
|
) {
|
var occludeePointInScaledSpace = surfaceTile.occludeePointInScaledSpace;
|
if (!defined(occludeePointInScaledSpace)) {
|
return visibility;
|
}
|
|
if (
|
occluders.ellipsoid.isScaledSpacePointVisiblePossiblyUnderEllipsoid(
|
occludeePointInScaledSpace,
|
tileBoundingRegion.minimumHeight
|
)
|
) {
|
return visibility;
|
}
|
|
return Visibility.NONE;
|
}
|
|
return visibility;
|
};
|
|
/**
|
* Determines if the given tile can be refined
|
* @param {QuadtreeTile} tile The tile to check.
|
* @returns {boolean} True if the tile can be refined, false if it cannot.
|
*/
|
GlobeSurfaceTileProvider.prototype.canRefine = function (tile) {
|
// Only allow refinement it we know whether or not the children of this tile exist.
|
// For a tileset with `availability`, we'll always be able to refine.
|
// We can ask for availability of _any_ child tile because we only need to confirm
|
// that we get a yes or no answer, it doesn't matter what the answer is.
|
if (defined(tile.data.terrainData)) {
|
return true;
|
}
|
var childAvailable = this.terrainProvider.getTileDataAvailable(
|
tile.x * 2,
|
tile.y * 2,
|
tile.level + 1
|
);
|
return childAvailable !== undefined;
|
};
|
|
var readyImageryScratch = [];
|
var canRenderTraversalStack = [];
|
|
/**
|
* Determines if the given not-fully-loaded tile can be rendered without losing detail that
|
* was present last frame as a result of rendering descendant tiles. This method will only be
|
* called if this tile's descendants were rendered last frame. If the tile is fully loaded,
|
* it is assumed that this method will return true and it will not be called.
|
* @param {QuadtreeTile} tile The tile to check.
|
* @returns {boolean} True if the tile can be rendered without losing detail.
|
*/
|
GlobeSurfaceTileProvider.prototype.canRenderWithoutLosingDetail = function (
|
tile,
|
frameState
|
) {
|
var surfaceTile = tile.data;
|
|
var readyImagery = readyImageryScratch;
|
readyImagery.length = this._imageryLayers.length;
|
|
var terrainReady = false;
|
var initialImageryState = false;
|
var imagery;
|
|
if (defined(surfaceTile)) {
|
// We can render even with non-ready terrain as long as all our rendered descendants
|
// are missing terrain geometry too. i.e. if we rendered fills for more detailed tiles
|
// last frame, it's ok to render a fill for this tile this frame.
|
terrainReady = surfaceTile.terrainState === TerrainState.READY;
|
|
// Initially assume all imagery layers are ready, unless imagery hasn't been initialized at all.
|
initialImageryState = true;
|
|
imagery = surfaceTile.imagery;
|
}
|
|
var i;
|
var len;
|
|
for (i = 0, len = readyImagery.length; i < len; ++i) {
|
readyImagery[i] = initialImageryState;
|
}
|
|
if (defined(imagery)) {
|
for (i = 0, len = imagery.length; i < len; ++i) {
|
var tileImagery = imagery[i];
|
var loadingImagery = tileImagery.loadingImagery;
|
var isReady =
|
!defined(loadingImagery) ||
|
loadingImagery.state === ImageryState.FAILED ||
|
loadingImagery.state === ImageryState.INVALID;
|
var layerIndex = (tileImagery.loadingImagery || tileImagery.readyImagery)
|
.imageryLayer._layerIndex;
|
|
// For a layer to be ready, all tiles belonging to that layer must be ready.
|
readyImagery[layerIndex] = isReady && readyImagery[layerIndex];
|
}
|
}
|
|
var lastFrame = this.quadtree._lastSelectionFrameNumber;
|
|
// Traverse the descendants looking for one with terrain or imagery that is not loaded on this tile.
|
var stack = canRenderTraversalStack;
|
stack.length = 0;
|
stack.push(
|
tile.southwestChild,
|
tile.southeastChild,
|
tile.northwestChild,
|
tile.northeastChild
|
);
|
|
while (stack.length > 0) {
|
var descendant = stack.pop();
|
var lastFrameSelectionResult =
|
descendant._lastSelectionResultFrame === lastFrame
|
? descendant._lastSelectionResult
|
: TileSelectionResult.NONE;
|
|
if (lastFrameSelectionResult === TileSelectionResult.RENDERED) {
|
var descendantSurface = descendant.data;
|
|
if (!defined(descendantSurface)) {
|
// Descendant has no data, so it can't block rendering.
|
continue;
|
}
|
|
if (
|
!terrainReady &&
|
descendant.data.terrainState === TerrainState.READY
|
) {
|
// Rendered descendant has real terrain, but we don't. Rendering is blocked.
|
return false;
|
}
|
|
var descendantImagery = descendant.data.imagery;
|
for (i = 0, len = descendantImagery.length; i < len; ++i) {
|
var descendantTileImagery = descendantImagery[i];
|
var descendantLoadingImagery = descendantTileImagery.loadingImagery;
|
var descendantIsReady =
|
!defined(descendantLoadingImagery) ||
|
descendantLoadingImagery.state === ImageryState.FAILED ||
|
descendantLoadingImagery.state === ImageryState.INVALID;
|
var descendantLayerIndex = (
|
descendantTileImagery.loadingImagery ||
|
descendantTileImagery.readyImagery
|
).imageryLayer._layerIndex;
|
|
// If this imagery tile of a descendant is ready but the layer isn't ready in this tile,
|
// then rendering is blocked.
|
if (descendantIsReady && !readyImagery[descendantLayerIndex]) {
|
return false;
|
}
|
}
|
} else if (lastFrameSelectionResult === TileSelectionResult.REFINED) {
|
stack.push(
|
descendant.southwestChild,
|
descendant.southeastChild,
|
descendant.northwestChild,
|
descendant.northeastChild
|
);
|
}
|
}
|
|
return true;
|
};
|
|
var tileDirectionScratch = new Cartesian3();
|
|
/**
|
* Determines the priority for loading this tile. Lower priority values load sooner.
|
* @param {QuadtreeTile} tile The tile.
|
* @param {FrameState} frameState The frame state.
|
* @returns {Number} The load priority value.
|
*/
|
GlobeSurfaceTileProvider.prototype.computeTileLoadPriority = function (
|
tile,
|
frameState
|
) {
|
var surfaceTile = tile.data;
|
if (surfaceTile === undefined) {
|
return 0.0;
|
}
|
|
var obb = surfaceTile.tileBoundingRegion.boundingVolume;
|
if (obb === undefined) {
|
return 0.0;
|
}
|
|
var cameraPosition = frameState.camera.positionWC;
|
var cameraDirection = frameState.camera.directionWC;
|
var tileDirection = Cartesian3.subtract(
|
obb.center,
|
cameraPosition,
|
tileDirectionScratch
|
);
|
var magnitude = Cartesian3.magnitude(tileDirection);
|
if (magnitude < CesiumMath.EPSILON5) {
|
return 0.0;
|
}
|
Cartesian3.divideByScalar(tileDirection, magnitude, tileDirection);
|
return (
|
(1.0 - Cartesian3.dot(tileDirection, cameraDirection)) * tile._distance
|
);
|
};
|
|
var modifiedModelViewScratch = new Matrix4();
|
var modifiedModelViewProjectionScratch = new Matrix4();
|
var tileRectangleScratch = new Cartesian4();
|
var localizedCartographicLimitRectangleScratch = new Cartesian4();
|
var localizedTranslucencyRectangleScratch = new Cartesian4();
|
var rtcScratch = new Cartesian3();
|
var centerEyeScratch = new Cartesian3();
|
var southwestScratch = new Cartesian3();
|
var northeastScratch = new Cartesian3();
|
|
/**
|
* Shows a specified tile in this frame. The provider can cause the tile to be shown by adding
|
* render commands to the commandList, or use any other method as appropriate. The tile is not
|
* expected to be visible next frame as well, unless this method is called next frame, too.
|
*
|
* @param {QuadtreeTile} tile The tile instance.
|
* @param {FrameState} frameState The state information of the current rendering frame.
|
*/
|
GlobeSurfaceTileProvider.prototype.showTileThisFrame = function (
|
tile,
|
frameState
|
) {
|
var readyTextureCount = 0;
|
var tileImageryCollection = tile.data.imagery;
|
for (var i = 0, len = tileImageryCollection.length; i < len; ++i) {
|
var tileImagery = tileImageryCollection[i];
|
if (
|
defined(tileImagery.readyImagery) &&
|
tileImagery.readyImagery.imageryLayer.alpha !== 0.0
|
) {
|
++readyTextureCount;
|
}
|
}
|
|
var tileSet = this._tilesToRenderByTextureCount[readyTextureCount];
|
if (!defined(tileSet)) {
|
tileSet = [];
|
this._tilesToRenderByTextureCount[readyTextureCount] = tileSet;
|
}
|
|
tileSet.push(tile);
|
|
var surfaceTile = tile.data;
|
if (!defined(surfaceTile.vertexArray)) {
|
this._hasFillTilesThisFrame = true;
|
} else {
|
this._hasLoadedTilesThisFrame = true;
|
}
|
|
var debug = this._debug;
|
++debug.tilesRendered;
|
debug.texturesRendered += readyTextureCount;
|
};
|
|
var cornerPositionsScratch = [
|
new Cartesian3(),
|
new Cartesian3(),
|
new Cartesian3(),
|
new Cartesian3(),
|
];
|
|
function computeOccludeePoint(
|
tileProvider,
|
center,
|
rectangle,
|
minimumHeight,
|
maximumHeight,
|
result
|
) {
|
var ellipsoidalOccluder = tileProvider.quadtree._occluders.ellipsoid;
|
var ellipsoid = ellipsoidalOccluder.ellipsoid;
|
|
var cornerPositions = cornerPositionsScratch;
|
Cartesian3.fromRadians(
|
rectangle.west,
|
rectangle.south,
|
maximumHeight,
|
ellipsoid,
|
cornerPositions[0]
|
);
|
Cartesian3.fromRadians(
|
rectangle.east,
|
rectangle.south,
|
maximumHeight,
|
ellipsoid,
|
cornerPositions[1]
|
);
|
Cartesian3.fromRadians(
|
rectangle.west,
|
rectangle.north,
|
maximumHeight,
|
ellipsoid,
|
cornerPositions[2]
|
);
|
Cartesian3.fromRadians(
|
rectangle.east,
|
rectangle.north,
|
maximumHeight,
|
ellipsoid,
|
cornerPositions[3]
|
);
|
|
return ellipsoidalOccluder.computeHorizonCullingPointPossiblyUnderEllipsoid(
|
center,
|
cornerPositions,
|
minimumHeight,
|
result
|
);
|
}
|
|
/**
|
* Gets the distance from the camera to the closest point on the tile. This is used for level-of-detail selection.
|
*
|
* @param {QuadtreeTile} tile The tile instance.
|
* @param {FrameState} frameState The state information of the current rendering frame.
|
*
|
* @returns {Number} The distance from the camera to the closest point on the tile, in meters.
|
*/
|
GlobeSurfaceTileProvider.prototype.computeDistanceToTile = function (
|
tile,
|
frameState
|
) {
|
// The distance should be:
|
// 1. the actual distance to the tight-fitting bounding volume, or
|
// 2. a distance that is equal to or greater than the actual distance to the tight-fitting bounding volume.
|
//
|
// When we don't know the min/max heights for a tile, but we do know the min/max of an ancestor tile, we can
|
// build a tight-fitting bounding volume horizontally, but not vertically. The min/max heights from the
|
// ancestor will likely form a volume that is much bigger than it needs to be. This means that the volume may
|
// be deemed to be much closer to the camera than it really is, causing us to select tiles that are too detailed.
|
// Loading too-detailed tiles is super expensive, so we don't want to do that. We don't know where the child
|
// tile really lies within the parent range of heights, but we _do_ know the child tile can't be any closer than
|
// the ancestor height surface (min or max) that is _farthest away_ from the camera. So if we compute distance
|
// based on that conservative metric, we may end up loading tiles that are not detailed enough, but that's much
|
// better (faster) than loading tiles that are too detailed.
|
|
updateTileBoundingRegion(tile, this, frameState);
|
|
var surfaceTile = tile.data;
|
var boundingVolumeSourceTile = surfaceTile.boundingVolumeSourceTile;
|
if (boundingVolumeSourceTile === undefined) {
|
// Can't find any min/max heights anywhere? Ok, let's just say the
|
// tile is really far away so we'll load and render it rather than
|
// refining.
|
return 9999999999.0;
|
}
|
|
var tileBoundingRegion = surfaceTile.tileBoundingRegion;
|
var min = tileBoundingRegion.minimumHeight;
|
var max = tileBoundingRegion.maximumHeight;
|
|
if (surfaceTile.boundingVolumeSourceTile !== tile) {
|
var cameraHeight = frameState.camera.positionCartographic.height;
|
var distanceToMin = Math.abs(cameraHeight - min);
|
var distanceToMax = Math.abs(cameraHeight - max);
|
if (distanceToMin > distanceToMax) {
|
tileBoundingRegion.minimumHeight = min;
|
tileBoundingRegion.maximumHeight = min;
|
} else {
|
tileBoundingRegion.minimumHeight = max;
|
tileBoundingRegion.maximumHeight = max;
|
}
|
}
|
|
var result = tileBoundingRegion.distanceToCamera(frameState);
|
|
tileBoundingRegion.minimumHeight = min;
|
tileBoundingRegion.maximumHeight = max;
|
|
return result;
|
};
|
|
function updateTileBoundingRegion(tile, tileProvider, frameState) {
|
var surfaceTile = tile.data;
|
if (surfaceTile === undefined) {
|
surfaceTile = tile.data = new GlobeSurfaceTile();
|
}
|
|
var ellipsoid = tile.tilingScheme.ellipsoid;
|
if (surfaceTile.tileBoundingRegion === undefined) {
|
surfaceTile.tileBoundingRegion = new TileBoundingRegion({
|
computeBoundingVolumes: false,
|
rectangle: tile.rectangle,
|
ellipsoid: ellipsoid,
|
minimumHeight: 0.0,
|
maximumHeight: 0.0,
|
});
|
}
|
|
var tileBoundingRegion = surfaceTile.tileBoundingRegion;
|
var oldMinimumHeight = tileBoundingRegion.minimumHeight;
|
var oldMaximumHeight = tileBoundingRegion.maximumHeight;
|
var hasBoundingVolumesFromMesh = false;
|
var sourceTile = tile;
|
|
// Get min and max heights from the mesh.
|
// If the mesh is not available, get them from the terrain data.
|
// If the terrain data is not available either, get them from an ancestor.
|
// If none of the ancestors are available, then there are no min and max heights for this tile at this time.
|
var mesh = surfaceTile.mesh;
|
var terrainData = surfaceTile.terrainData;
|
if (
|
mesh !== undefined &&
|
mesh.minimumHeight !== undefined &&
|
mesh.maximumHeight !== undefined
|
) {
|
tileBoundingRegion.minimumHeight = mesh.minimumHeight;
|
tileBoundingRegion.maximumHeight = mesh.maximumHeight;
|
hasBoundingVolumesFromMesh = true;
|
} else if (
|
terrainData !== undefined &&
|
terrainData._minimumHeight !== undefined &&
|
terrainData._maximumHeight !== undefined
|
) {
|
tileBoundingRegion.minimumHeight = terrainData._minimumHeight;
|
tileBoundingRegion.maximumHeight = terrainData._maximumHeight;
|
} else {
|
// No accurate min/max heights available, so we're stuck with min/max heights from an ancestor tile.
|
tileBoundingRegion.minimumHeight = Number.NaN;
|
tileBoundingRegion.maximumHeight = Number.NaN;
|
|
var ancestorTile = tile.parent;
|
while (ancestorTile !== undefined) {
|
var ancestorSurfaceTile = ancestorTile.data;
|
if (ancestorSurfaceTile !== undefined) {
|
var ancestorMesh = ancestorSurfaceTile.mesh;
|
var ancestorTerrainData = ancestorSurfaceTile.terrainData;
|
if (
|
ancestorMesh !== undefined &&
|
ancestorMesh.minimumHeight !== undefined &&
|
ancestorMesh.maximumHeight !== undefined
|
) {
|
tileBoundingRegion.minimumHeight = ancestorMesh.minimumHeight;
|
tileBoundingRegion.maximumHeight = ancestorMesh.maximumHeight;
|
break;
|
} else if (
|
ancestorTerrainData !== undefined &&
|
ancestorTerrainData._minimumHeight !== undefined &&
|
ancestorTerrainData._maximumHeight !== undefined
|
) {
|
tileBoundingRegion.minimumHeight = ancestorTerrainData._minimumHeight;
|
tileBoundingRegion.maximumHeight = ancestorTerrainData._maximumHeight;
|
break;
|
}
|
}
|
ancestorTile = ancestorTile.parent;
|
}
|
sourceTile = ancestorTile;
|
}
|
|
// Update bounding regions from the min and max heights
|
if (sourceTile !== undefined) {
|
var exaggeration = frameState.terrainExaggeration;
|
var exaggerationRelativeHeight =
|
frameState.terrainExaggerationRelativeHeight;
|
var hasExaggeration = exaggeration !== 1.0;
|
if (hasExaggeration) {
|
hasBoundingVolumesFromMesh = false;
|
tileBoundingRegion.minimumHeight = TerrainExaggeration.getHeight(
|
tileBoundingRegion.minimumHeight,
|
exaggeration,
|
exaggerationRelativeHeight
|
);
|
tileBoundingRegion.maximumHeight = TerrainExaggeration.getHeight(
|
tileBoundingRegion.maximumHeight,
|
exaggeration,
|
exaggerationRelativeHeight
|
);
|
}
|
|
if (hasBoundingVolumesFromMesh) {
|
if (!surfaceTile.boundingVolumeIsFromMesh) {
|
tileBoundingRegion._orientedBoundingBox = OrientedBoundingBox.clone(
|
mesh.orientedBoundingBox,
|
tileBoundingRegion._orientedBoundingBox
|
);
|
tileBoundingRegion._boundingSphere = BoundingSphere.clone(
|
mesh.boundingSphere3D,
|
tileBoundingRegion._boundingSphere
|
);
|
surfaceTile.occludeePointInScaledSpace = Cartesian3.clone(
|
mesh.occludeePointInScaledSpace,
|
surfaceTile.occludeePointInScaledSpace
|
);
|
|
// If the occludee point is not defined, fallback to calculating it from the OBB
|
if (!defined(surfaceTile.occludeePointInScaledSpace)) {
|
surfaceTile.occludeePointInScaledSpace = computeOccludeePoint(
|
tileProvider,
|
tileBoundingRegion._orientedBoundingBox.center,
|
tile.rectangle,
|
tileBoundingRegion.minimumHeight,
|
tileBoundingRegion.maximumHeight,
|
surfaceTile.occludeePointInScaledSpace
|
);
|
}
|
}
|
} else {
|
var needsBounds =
|
tileBoundingRegion._orientedBoundingBox === undefined ||
|
tileBoundingRegion._boundingSphere === undefined;
|
var heightChanged =
|
tileBoundingRegion.minimumHeight !== oldMinimumHeight ||
|
tileBoundingRegion.maximumHeight !== oldMaximumHeight;
|
if (heightChanged || needsBounds) {
|
// Bounding volumes need to be recomputed in some circumstances
|
tileBoundingRegion.computeBoundingVolumes(ellipsoid);
|
surfaceTile.occludeePointInScaledSpace = computeOccludeePoint(
|
tileProvider,
|
tileBoundingRegion._orientedBoundingBox.center,
|
tile.rectangle,
|
tileBoundingRegion.minimumHeight,
|
tileBoundingRegion.maximumHeight,
|
surfaceTile.occludeePointInScaledSpace
|
);
|
}
|
}
|
surfaceTile.boundingVolumeSourceTile = sourceTile;
|
surfaceTile.boundingVolumeIsFromMesh = hasBoundingVolumesFromMesh;
|
} else {
|
surfaceTile.boundingVolumeSourceTile = undefined;
|
surfaceTile.boundingVolumeIsFromMesh = false;
|
}
|
}
|
|
/**
|
* Returns true if this object was destroyed; otherwise, false.
|
* <br /><br />
|
* If this object was destroyed, it should not be used; calling any function other than
|
* <code>isDestroyed</code> will result in a {@link DeveloperError} exception.
|
*
|
* @returns {Boolean} True if this object was destroyed; otherwise, false.
|
*
|
* @see GlobeSurfaceTileProvider#destroy
|
*/
|
GlobeSurfaceTileProvider.prototype.isDestroyed = function () {
|
return false;
|
};
|
|
/**
|
* Destroys the WebGL resources held by this object. Destroying an object allows for deterministic
|
* release of WebGL resources, instead of relying on the garbage collector to destroy this object.
|
* <br /><br />
|
* Once an object is destroyed, it should not be used; calling any function other than
|
* <code>isDestroyed</code> will result in a {@link DeveloperError} exception. Therefore,
|
* assign the return value (<code>undefined</code>) to the object as done in the example.
|
*
|
* @exception {DeveloperError} This object was destroyed, i.e., destroy() was called.
|
*
|
*
|
* @example
|
* provider = provider && provider();
|
*
|
* @see GlobeSurfaceTileProvider#isDestroyed
|
*/
|
GlobeSurfaceTileProvider.prototype.destroy = function () {
|
this._tileProvider = this._tileProvider && this._tileProvider.destroy();
|
this._clippingPlanes = this._clippingPlanes && this._clippingPlanes.destroy();
|
|
return destroyObject(this);
|
};
|
|
function getTileReadyCallback(tileImageriesToFree, layer, terrainProvider) {
|
return function (tile) {
|
var tileImagery;
|
var imagery;
|
var startIndex = -1;
|
var tileImageryCollection = tile.data.imagery;
|
var length = tileImageryCollection.length;
|
var i;
|
for (i = 0; i < length; ++i) {
|
tileImagery = tileImageryCollection[i];
|
imagery = defaultValue(
|
tileImagery.readyImagery,
|
tileImagery.loadingImagery
|
);
|
if (imagery.imageryLayer === layer) {
|
startIndex = i;
|
break;
|
}
|
}
|
|
if (startIndex !== -1) {
|
var endIndex = startIndex + tileImageriesToFree;
|
tileImagery = tileImageryCollection[endIndex];
|
imagery = defined(tileImagery)
|
? defaultValue(tileImagery.readyImagery, tileImagery.loadingImagery)
|
: undefined;
|
if (!defined(imagery) || imagery.imageryLayer !== layer) {
|
// Return false to keep the callback if we have to wait on the skeletons
|
// Return true to remove the callback if something went wrong
|
return !layer._createTileImagerySkeletons(
|
tile,
|
terrainProvider,
|
endIndex
|
);
|
}
|
|
for (i = startIndex; i < endIndex; ++i) {
|
tileImageryCollection[i].freeResources();
|
}
|
|
tileImageryCollection.splice(startIndex, tileImageriesToFree);
|
}
|
|
return true; // Everything is done, so remove the callback
|
};
|
}
|
|
GlobeSurfaceTileProvider.prototype._onLayerAdded = function (layer, index) {
|
if (layer.show) {
|
var terrainProvider = this._terrainProvider;
|
|
var that = this;
|
var imageryProvider = layer.imageryProvider;
|
var tileImageryUpdatedEvent = this._imageryLayersUpdatedEvent;
|
imageryProvider._reload = function () {
|
// Clear the layer's cache
|
layer._imageryCache = {};
|
|
that._quadtree.forEachLoadedTile(function (tile) {
|
// If this layer is still waiting to for the loaded callback, just return
|
if (defined(tile._loadedCallbacks[layer._layerIndex])) {
|
return;
|
}
|
|
var i;
|
|
// Figure out how many TileImageries we will need to remove and where to insert new ones
|
var tileImageryCollection = tile.data.imagery;
|
var length = tileImageryCollection.length;
|
var startIndex = -1;
|
var tileImageriesToFree = 0;
|
for (i = 0; i < length; ++i) {
|
var tileImagery = tileImageryCollection[i];
|
var imagery = defaultValue(
|
tileImagery.readyImagery,
|
tileImagery.loadingImagery
|
);
|
if (imagery.imageryLayer === layer) {
|
if (startIndex === -1) {
|
startIndex = i;
|
}
|
|
++tileImageriesToFree;
|
} else if (startIndex !== -1) {
|
// iterated past the section of TileImageries belonging to this layer, no need to continue.
|
break;
|
}
|
}
|
|
if (startIndex === -1) {
|
return;
|
}
|
|
// Insert immediately after existing TileImageries
|
var insertionPoint = startIndex + tileImageriesToFree;
|
|
// Create new TileImageries for all loaded tiles
|
if (
|
layer._createTileImagerySkeletons(
|
tile,
|
terrainProvider,
|
insertionPoint
|
)
|
) {
|
// Add callback to remove old TileImageries when the new TileImageries are ready
|
tile._loadedCallbacks[layer._layerIndex] = getTileReadyCallback(
|
tileImageriesToFree,
|
layer,
|
terrainProvider
|
);
|
|
tile.state = QuadtreeTileLoadState.LOADING;
|
}
|
});
|
};
|
|
// create TileImageries for this layer for all previously loaded tiles
|
this._quadtree.forEachLoadedTile(function (tile) {
|
if (layer._createTileImagerySkeletons(tile, terrainProvider)) {
|
tile.state = QuadtreeTileLoadState.LOADING;
|
|
// Tiles that are not currently being rendered need to load the new layer before they're renderable.
|
// We don't mark the rendered tiles non-renderable, though, because that would make the globe disappear.
|
if (
|
tile.level !== 0 &&
|
(tile._lastSelectionResultFrame !==
|
that.quadtree._lastSelectionFrameNumber ||
|
tile._lastSelectionResult !== TileSelectionResult.RENDERED)
|
) {
|
tile.renderable = false;
|
}
|
}
|
});
|
|
this._layerOrderChanged = true;
|
tileImageryUpdatedEvent.raiseEvent();
|
}
|
};
|
|
GlobeSurfaceTileProvider.prototype._onLayerRemoved = function (layer, index) {
|
// destroy TileImagerys for this layer for all previously loaded tiles
|
this._quadtree.forEachLoadedTile(function (tile) {
|
var tileImageryCollection = tile.data.imagery;
|
|
var startIndex = -1;
|
var numDestroyed = 0;
|
for (var i = 0, len = tileImageryCollection.length; i < len; ++i) {
|
var tileImagery = tileImageryCollection[i];
|
var imagery = tileImagery.loadingImagery;
|
if (!defined(imagery)) {
|
imagery = tileImagery.readyImagery;
|
}
|
if (imagery.imageryLayer === layer) {
|
if (startIndex === -1) {
|
startIndex = i;
|
}
|
|
tileImagery.freeResources();
|
++numDestroyed;
|
} else if (startIndex !== -1) {
|
// iterated past the section of TileImagerys belonging to this layer, no need to continue.
|
break;
|
}
|
}
|
|
if (startIndex !== -1) {
|
tileImageryCollection.splice(startIndex, numDestroyed);
|
}
|
});
|
|
if (defined(layer.imageryProvider)) {
|
layer.imageryProvider._reload = undefined;
|
}
|
|
this._imageryLayersUpdatedEvent.raiseEvent();
|
};
|
|
GlobeSurfaceTileProvider.prototype._onLayerMoved = function (
|
layer,
|
newIndex,
|
oldIndex
|
) {
|
this._layerOrderChanged = true;
|
this._imageryLayersUpdatedEvent.raiseEvent();
|
};
|
|
GlobeSurfaceTileProvider.prototype._onLayerShownOrHidden = function (
|
layer,
|
index,
|
show
|
) {
|
if (show) {
|
this._onLayerAdded(layer, index);
|
} else {
|
this._onLayerRemoved(layer, index);
|
}
|
};
|
|
var scratchClippingPlanesMatrix = new Matrix4();
|
var scratchInverseTransposeClippingPlanesMatrix = new Matrix4();
|
function createTileUniformMap(frameState, globeSurfaceTileProvider) {
|
var uniformMap = {
|
u_initialColor: function () {
|
return this.properties.initialColor;
|
},
|
u_fillHighlightColor: function () {
|
return this.properties.fillHighlightColor;
|
},
|
u_zoomedOutOceanSpecularIntensity: function () {
|
return this.properties.zoomedOutOceanSpecularIntensity;
|
},
|
u_oceanNormalMap: function () {
|
return this.properties.oceanNormalMap;
|
},
|
u_lightingFadeDistance: function () {
|
return this.properties.lightingFadeDistance;
|
},
|
u_nightFadeDistance: function () {
|
return this.properties.nightFadeDistance;
|
},
|
u_center3D: function () {
|
return this.properties.center3D;
|
},
|
u_terrainExaggerationAndRelativeHeight: function () {
|
return this.properties.terrainExaggerationAndRelativeHeight;
|
},
|
u_tileRectangle: function () {
|
return this.properties.tileRectangle;
|
},
|
u_modifiedModelView: function () {
|
var viewMatrix = frameState.context.uniformState.view;
|
var centerEye = Matrix4.multiplyByPoint(
|
viewMatrix,
|
this.properties.rtc,
|
centerEyeScratch
|
);
|
Matrix4.setTranslation(viewMatrix, centerEye, modifiedModelViewScratch);
|
return modifiedModelViewScratch;
|
},
|
u_modifiedModelViewProjection: function () {
|
var viewMatrix = frameState.context.uniformState.view;
|
var projectionMatrix = frameState.context.uniformState.projection;
|
var centerEye = Matrix4.multiplyByPoint(
|
viewMatrix,
|
this.properties.rtc,
|
centerEyeScratch
|
);
|
Matrix4.setTranslation(
|
viewMatrix,
|
centerEye,
|
modifiedModelViewProjectionScratch
|
);
|
Matrix4.multiply(
|
projectionMatrix,
|
modifiedModelViewProjectionScratch,
|
modifiedModelViewProjectionScratch
|
);
|
return modifiedModelViewProjectionScratch;
|
},
|
u_dayTextures: function () {
|
return this.properties.dayTextures;
|
},
|
u_dayTextureTranslationAndScale: function () {
|
return this.properties.dayTextureTranslationAndScale;
|
},
|
u_dayTextureTexCoordsRectangle: function () {
|
return this.properties.dayTextureTexCoordsRectangle;
|
},
|
u_dayTextureUseWebMercatorT: function () {
|
return this.properties.dayTextureUseWebMercatorT;
|
},
|
u_dayTextureAlpha: function () {
|
return this.properties.dayTextureAlpha;
|
},
|
u_dayTextureNightAlpha: function () {
|
return this.properties.dayTextureNightAlpha;
|
},
|
u_dayTextureDayAlpha: function () {
|
return this.properties.dayTextureDayAlpha;
|
},
|
u_dayTextureBrightness: function () {
|
return this.properties.dayTextureBrightness;
|
},
|
u_dayTextureContrast: function () {
|
return this.properties.dayTextureContrast;
|
},
|
u_dayTextureHue: function () {
|
return this.properties.dayTextureHue;
|
},
|
u_dayTextureSaturation: function () {
|
return this.properties.dayTextureSaturation;
|
},
|
u_dayTextureOneOverGamma: function () {
|
return this.properties.dayTextureOneOverGamma;
|
},
|
u_dayIntensity: function () {
|
return this.properties.dayIntensity;
|
},
|
u_southAndNorthLatitude: function () {
|
return this.properties.southAndNorthLatitude;
|
},
|
u_southMercatorYAndOneOverHeight: function () {
|
return this.properties.southMercatorYAndOneOverHeight;
|
},
|
u_waterMask: function () {
|
return this.properties.waterMask;
|
},
|
u_waterMaskTranslationAndScale: function () {
|
return this.properties.waterMaskTranslationAndScale;
|
},
|
u_minMaxHeight: function () {
|
return this.properties.minMaxHeight;
|
},
|
u_scaleAndBias: function () {
|
return this.properties.scaleAndBias;
|
},
|
u_dayTextureSplit: function () {
|
return this.properties.dayTextureSplit;
|
},
|
u_dayTextureCutoutRectangles: function () {
|
return this.properties.dayTextureCutoutRectangles;
|
},
|
u_clippingPlanes: function () {
|
var clippingPlanes = globeSurfaceTileProvider._clippingPlanes;
|
if (defined(clippingPlanes) && defined(clippingPlanes.texture)) {
|
// Check in case clippingPlanes hasn't been updated yet.
|
return clippingPlanes.texture;
|
}
|
return frameState.context.defaultTexture;
|
},
|
u_cartographicLimitRectangle: function () {
|
return this.properties.localizedCartographicLimitRectangle;
|
},
|
u_clippingPlanesMatrix: function () {
|
var clippingPlanes = globeSurfaceTileProvider._clippingPlanes;
|
var transform = defined(clippingPlanes)
|
? Matrix4.multiply(
|
frameState.context.uniformState.view,
|
clippingPlanes.modelMatrix,
|
scratchClippingPlanesMatrix
|
)
|
: Matrix4.IDENTITY;
|
|
return Matrix4.inverseTranspose(
|
transform,
|
scratchInverseTransposeClippingPlanesMatrix
|
);
|
},
|
u_clippingPlanesEdgeStyle: function () {
|
var style = this.properties.clippingPlanesEdgeColor;
|
style.alpha = this.properties.clippingPlanesEdgeWidth;
|
return style;
|
},
|
u_minimumBrightness: function () {
|
return frameState.fog.minimumBrightness;
|
},
|
u_hsbShift: function () {
|
return this.properties.hsbShift;
|
},
|
u_colorsToAlpha: function () {
|
return this.properties.colorsToAlpha;
|
},
|
u_frontFaceAlphaByDistance: function () {
|
return this.properties.frontFaceAlphaByDistance;
|
},
|
u_backFaceAlphaByDistance: function () {
|
return this.properties.backFaceAlphaByDistance;
|
},
|
u_translucencyRectangle: function () {
|
return this.properties.localizedTranslucencyRectangle;
|
},
|
u_undergroundColor: function () {
|
return this.properties.undergroundColor;
|
},
|
u_undergroundColorAlphaByDistance: function () {
|
return this.properties.undergroundColorAlphaByDistance;
|
},
|
|
// make a separate object so that changes to the properties are seen on
|
// derived commands that combine another uniform map with this one.
|
properties: {
|
initialColor: new Cartesian4(0.0, 0.0, 0.5, 1.0),
|
fillHighlightColor: new Color(0.0, 0.0, 0.0, 0.0),
|
zoomedOutOceanSpecularIntensity: 0.5,
|
oceanNormalMap: undefined,
|
lightingFadeDistance: new Cartesian2(6500000.0, 9000000.0),
|
nightFadeDistance: new Cartesian2(10000000.0, 40000000.0),
|
hsbShift: new Cartesian3(),
|
|
center3D: undefined,
|
rtc: new Cartesian3(),
|
modifiedModelView: new Matrix4(),
|
tileRectangle: new Cartesian4(),
|
|
terrainExaggerationAndRelativeHeight: new Cartesian2(1.0, 0.0),
|
|
dayTextures: [],
|
dayTextureTranslationAndScale: [],
|
dayTextureTexCoordsRectangle: [],
|
dayTextureUseWebMercatorT: [],
|
dayTextureAlpha: [],
|
dayTextureNightAlpha: [],
|
dayTextureDayAlpha: [],
|
dayTextureBrightness: [],
|
dayTextureContrast: [],
|
dayTextureHue: [],
|
dayTextureSaturation: [],
|
dayTextureOneOverGamma: [],
|
dayTextureSplit: [],
|
dayTextureCutoutRectangles: [],
|
dayIntensity: 0.0,
|
colorsToAlpha: [],
|
|
southAndNorthLatitude: new Cartesian2(),
|
southMercatorYAndOneOverHeight: new Cartesian2(),
|
|
waterMask: undefined,
|
waterMaskTranslationAndScale: new Cartesian4(),
|
|
minMaxHeight: new Cartesian2(),
|
scaleAndBias: new Matrix4(),
|
clippingPlanesEdgeColor: Color.clone(Color.WHITE),
|
clippingPlanesEdgeWidth: 0.0,
|
|
localizedCartographicLimitRectangle: new Cartesian4(),
|
|
frontFaceAlphaByDistance: new Cartesian4(),
|
backFaceAlphaByDistance: new Cartesian4(),
|
localizedTranslucencyRectangle: new Cartesian4(),
|
undergroundColor: Color.clone(Color.TRANSPARENT),
|
undergroundColorAlphaByDistance: new Cartesian4(),
|
},
|
};
|
|
if (defined(globeSurfaceTileProvider.materialUniformMap)) {
|
return combine(uniformMap, globeSurfaceTileProvider.materialUniformMap);
|
}
|
|
return uniformMap;
|
}
|
|
function createWireframeVertexArrayIfNecessary(context, provider, tile) {
|
var surfaceTile = tile.data;
|
|
var mesh;
|
var vertexArray;
|
|
if (defined(surfaceTile.vertexArray)) {
|
mesh = surfaceTile.mesh;
|
vertexArray = surfaceTile.vertexArray;
|
} else if (
|
defined(surfaceTile.fill) &&
|
defined(surfaceTile.fill.vertexArray)
|
) {
|
mesh = surfaceTile.fill.mesh;
|
vertexArray = surfaceTile.fill.vertexArray;
|
}
|
|
if (!defined(mesh) || !defined(vertexArray)) {
|
return;
|
}
|
|
if (defined(surfaceTile.wireframeVertexArray)) {
|
if (surfaceTile.wireframeVertexArray.mesh === mesh) {
|
return;
|
}
|
|
surfaceTile.wireframeVertexArray.destroy();
|
surfaceTile.wireframeVertexArray = undefined;
|
}
|
|
surfaceTile.wireframeVertexArray = createWireframeVertexArray(
|
context,
|
vertexArray,
|
mesh
|
);
|
surfaceTile.wireframeVertexArray.mesh = mesh;
|
}
|
|
/**
|
* Creates a vertex array for wireframe rendering of a terrain tile.
|
*
|
* @private
|
*
|
* @param {Context} context The context in which to create the vertex array.
|
* @param {VertexArray} vertexArray The existing, non-wireframe vertex array. The new vertex array
|
* will share vertex buffers with this existing one.
|
* @param {TerrainMesh} terrainMesh The terrain mesh containing non-wireframe indices.
|
* @returns {VertexArray} The vertex array for wireframe rendering.
|
*/
|
function createWireframeVertexArray(context, vertexArray, terrainMesh) {
|
var indices = terrainMesh.indices;
|
|
var geometry = {
|
indices: indices,
|
primitiveType: PrimitiveType.TRIANGLES,
|
};
|
|
GeometryPipeline.toWireframe(geometry);
|
|
var wireframeIndices = geometry.indices;
|
var wireframeIndexBuffer = Buffer.createIndexBuffer({
|
context: context,
|
typedArray: wireframeIndices,
|
usage: BufferUsage.STATIC_DRAW,
|
indexDatatype: IndexDatatype.fromSizeInBytes(
|
wireframeIndices.BYTES_PER_ELEMENT
|
),
|
});
|
return new VertexArray({
|
context: context,
|
attributes: vertexArray._attributes,
|
indexBuffer: wireframeIndexBuffer,
|
});
|
}
|
|
var getDebugOrientedBoundingBox;
|
var getDebugBoundingSphere;
|
var debugDestroyPrimitive;
|
|
(function () {
|
var instanceOBB = new GeometryInstance({
|
geometry: BoxOutlineGeometry.fromDimensions({
|
dimensions: new Cartesian3(2.0, 2.0, 2.0),
|
}),
|
});
|
var instanceSphere = new GeometryInstance({
|
geometry: new SphereOutlineGeometry({ radius: 1.0 }),
|
});
|
var modelMatrix = new Matrix4();
|
var previousVolume;
|
var primitive;
|
|
function createDebugPrimitive(instance) {
|
return new Primitive({
|
geometryInstances: instance,
|
appearance: new PerInstanceColorAppearance({
|
translucent: false,
|
flat: true,
|
}),
|
asynchronous: false,
|
});
|
}
|
|
getDebugOrientedBoundingBox = function (obb, color) {
|
if (obb === previousVolume) {
|
return primitive;
|
}
|
debugDestroyPrimitive();
|
|
previousVolume = obb;
|
modelMatrix = Matrix4.fromRotationTranslation(
|
obb.halfAxes,
|
obb.center,
|
modelMatrix
|
);
|
|
instanceOBB.modelMatrix = modelMatrix;
|
instanceOBB.attributes.color = ColorGeometryInstanceAttribute.fromColor(
|
color
|
);
|
|
primitive = createDebugPrimitive(instanceOBB);
|
return primitive;
|
};
|
|
getDebugBoundingSphere = function (sphere, color) {
|
if (sphere === previousVolume) {
|
return primitive;
|
}
|
debugDestroyPrimitive();
|
|
previousVolume = sphere;
|
modelMatrix = Matrix4.fromTranslation(sphere.center, modelMatrix);
|
modelMatrix = Matrix4.multiplyByUniformScale(
|
modelMatrix,
|
sphere.radius,
|
modelMatrix
|
);
|
|
instanceSphere.modelMatrix = modelMatrix;
|
instanceSphere.attributes.color = ColorGeometryInstanceAttribute.fromColor(
|
color
|
);
|
|
primitive = createDebugPrimitive(instanceSphere);
|
return primitive;
|
};
|
|
debugDestroyPrimitive = function () {
|
if (defined(primitive)) {
|
primitive.destroy();
|
primitive = undefined;
|
previousVolume = undefined;
|
}
|
};
|
})();
|
|
var otherPassesInitialColor = new Cartesian4(0.0, 0.0, 0.0, 0.0);
|
var surfaceShaderSetOptionsScratch = {
|
frameState: undefined,
|
surfaceTile: undefined,
|
numberOfDayTextures: undefined,
|
applyBrightness: undefined,
|
applyContrast: undefined,
|
applyHue: undefined,
|
applySaturation: undefined,
|
applyGamma: undefined,
|
applyAlpha: undefined,
|
applyDayNightAlpha: undefined,
|
applySplit: undefined,
|
showReflectiveOcean: undefined,
|
showOceanWaves: undefined,
|
enableLighting: undefined,
|
dynamicAtmosphereLighting: undefined,
|
dynamicAtmosphereLightingFromSun: undefined,
|
showGroundAtmosphere: undefined,
|
perFragmentGroundAtmosphere: undefined,
|
hasVertexNormals: undefined,
|
useWebMercatorProjection: undefined,
|
enableFog: undefined,
|
enableClippingPlanes: undefined,
|
clippingPlanes: undefined,
|
clippedByBoundaries: undefined,
|
hasImageryLayerCutout: undefined,
|
colorCorrect: undefined,
|
colorToAlpha: undefined,
|
hasGeodeticSurfaceNormals: undefined,
|
hasExaggeration: undefined,
|
};
|
|
var defaultUndergroundColor = Color.TRANSPARENT;
|
var defaultundergroundColorAlphaByDistance = new NearFarScalar();
|
|
function addDrawCommandsForTile(tileProvider, tile, frameState) {
|
var surfaceTile = tile.data;
|
|
if (!defined(surfaceTile.vertexArray)) {
|
if (surfaceTile.fill === undefined) {
|
// No fill was created for this tile, probably because this tile is not connected to
|
// any renderable tiles. So create a simple tile in the middle of the tile's possible
|
// height range.
|
surfaceTile.fill = new TerrainFillMesh(tile);
|
}
|
surfaceTile.fill.update(tileProvider, frameState);
|
}
|
|
var creditDisplay = frameState.creditDisplay;
|
|
var terrainData = surfaceTile.terrainData;
|
if (defined(terrainData) && defined(terrainData.credits)) {
|
var tileCredits = terrainData.credits;
|
for (
|
var tileCreditIndex = 0, tileCreditLength = tileCredits.length;
|
tileCreditIndex < tileCreditLength;
|
++tileCreditIndex
|
) {
|
creditDisplay.addCredit(tileCredits[tileCreditIndex]);
|
}
|
}
|
|
var maxTextures = ContextLimits.maximumTextureImageUnits;
|
|
var waterMaskTexture = surfaceTile.waterMaskTexture;
|
var waterMaskTranslationAndScale = surfaceTile.waterMaskTranslationAndScale;
|
if (!defined(waterMaskTexture) && defined(surfaceTile.fill)) {
|
waterMaskTexture = surfaceTile.fill.waterMaskTexture;
|
waterMaskTranslationAndScale =
|
surfaceTile.fill.waterMaskTranslationAndScale;
|
}
|
|
var cameraUnderground = frameState.cameraUnderground;
|
|
var globeTranslucencyState = frameState.globeTranslucencyState;
|
var translucent = globeTranslucencyState.translucent;
|
var frontFaceAlphaByDistance =
|
globeTranslucencyState.frontFaceAlphaByDistance;
|
var backFaceAlphaByDistance = globeTranslucencyState.backFaceAlphaByDistance;
|
var translucencyRectangle = globeTranslucencyState.rectangle;
|
|
var undergroundColor = defaultValue(
|
tileProvider.undergroundColor,
|
defaultUndergroundColor
|
);
|
var undergroundColorAlphaByDistance = defaultValue(
|
tileProvider.undergroundColorAlphaByDistance,
|
defaultundergroundColorAlphaByDistance
|
);
|
var showUndergroundColor =
|
isUndergroundVisible(tileProvider, frameState) &&
|
frameState.mode === SceneMode.SCENE3D &&
|
undergroundColor.alpha > 0.0 &&
|
(undergroundColorAlphaByDistance.nearValue > 0.0 ||
|
undergroundColorAlphaByDistance.farValue > 0.0);
|
|
var showReflectiveOcean =
|
tileProvider.hasWaterMask && defined(waterMaskTexture);
|
var oceanNormalMap = tileProvider.oceanNormalMap;
|
var showOceanWaves = showReflectiveOcean && defined(oceanNormalMap);
|
var hasVertexNormals =
|
tileProvider.terrainProvider.ready &&
|
tileProvider.terrainProvider.hasVertexNormals;
|
var enableFog = frameState.fog.enabled && !cameraUnderground;
|
var showGroundAtmosphere =
|
tileProvider.showGroundAtmosphere && frameState.mode === SceneMode.SCENE3D;
|
var castShadows =
|
ShadowMode.castShadows(tileProvider.shadows) && !translucent;
|
var receiveShadows =
|
ShadowMode.receiveShadows(tileProvider.shadows) && !translucent;
|
|
var hueShift = tileProvider.hueShift;
|
var saturationShift = tileProvider.saturationShift;
|
var brightnessShift = tileProvider.brightnessShift;
|
|
var colorCorrect = !(
|
CesiumMath.equalsEpsilon(hueShift, 0.0, CesiumMath.EPSILON7) &&
|
CesiumMath.equalsEpsilon(saturationShift, 0.0, CesiumMath.EPSILON7) &&
|
CesiumMath.equalsEpsilon(brightnessShift, 0.0, CesiumMath.EPSILON7)
|
);
|
|
var perFragmentGroundAtmosphere = false;
|
if (showGroundAtmosphere) {
|
var cameraDistance = Cartesian3.magnitude(frameState.camera.positionWC);
|
var fadeOutDistance = tileProvider.nightFadeOutDistance;
|
perFragmentGroundAtmosphere = cameraDistance > fadeOutDistance;
|
}
|
|
if (showReflectiveOcean) {
|
--maxTextures;
|
}
|
if (showOceanWaves) {
|
--maxTextures;
|
}
|
if (
|
defined(frameState.shadowState) &&
|
frameState.shadowState.shadowsEnabled
|
) {
|
--maxTextures;
|
}
|
if (
|
defined(tileProvider.clippingPlanes) &&
|
tileProvider.clippingPlanes.enabled
|
) {
|
--maxTextures;
|
}
|
|
maxTextures -= globeTranslucencyState.numberOfTextureUniforms;
|
|
var mesh = surfaceTile.renderedMesh;
|
var rtc = mesh.center;
|
var encoding = mesh.encoding;
|
var tileBoundingRegion = surfaceTile.tileBoundingRegion;
|
|
var exaggeration = frameState.terrainExaggeration;
|
var exaggerationRelativeHeight = frameState.terrainExaggerationRelativeHeight;
|
var hasExaggeration = exaggeration !== 1.0;
|
var hasGeodeticSurfaceNormals = encoding.hasGeodeticSurfaceNormals;
|
|
// Not used in 3D.
|
var tileRectangle = tileRectangleScratch;
|
|
// Only used for Mercator projections.
|
var southLatitude = 0.0;
|
var northLatitude = 0.0;
|
var southMercatorY = 0.0;
|
var oneOverMercatorHeight = 0.0;
|
|
var useWebMercatorProjection = false;
|
|
if (frameState.mode !== SceneMode.SCENE3D) {
|
var projection = frameState.mapProjection;
|
var southwest = projection.project(
|
Rectangle.southwest(tile.rectangle),
|
southwestScratch
|
);
|
var northeast = projection.project(
|
Rectangle.northeast(tile.rectangle),
|
northeastScratch
|
);
|
|
tileRectangle.x = southwest.x;
|
tileRectangle.y = southwest.y;
|
tileRectangle.z = northeast.x;
|
tileRectangle.w = northeast.y;
|
|
// In 2D and Columbus View, use the center of the tile for RTC rendering.
|
if (frameState.mode !== SceneMode.MORPHING) {
|
rtc = rtcScratch;
|
rtc.x = 0.0;
|
rtc.y = (tileRectangle.z + tileRectangle.x) * 0.5;
|
rtc.z = (tileRectangle.w + tileRectangle.y) * 0.5;
|
tileRectangle.x -= rtc.y;
|
tileRectangle.y -= rtc.z;
|
tileRectangle.z -= rtc.y;
|
tileRectangle.w -= rtc.z;
|
}
|
|
if (
|
frameState.mode === SceneMode.SCENE2D &&
|
encoding.quantization === TerrainQuantization.BITS12
|
) {
|
// In 2D, the texture coordinates of the tile are interpolated over the rectangle to get the position in the vertex shader.
|
// When the texture coordinates are quantized, error is introduced. This can be seen through the 1px wide cracking
|
// between the quantized tiles in 2D. To compensate for the error, move the expand the rectangle in each direction by
|
// half the error amount.
|
var epsilon = (1.0 / (Math.pow(2.0, 12.0) - 1.0)) * 0.5;
|
var widthEpsilon = (tileRectangle.z - tileRectangle.x) * epsilon;
|
var heightEpsilon = (tileRectangle.w - tileRectangle.y) * epsilon;
|
tileRectangle.x -= widthEpsilon;
|
tileRectangle.y -= heightEpsilon;
|
tileRectangle.z += widthEpsilon;
|
tileRectangle.w += heightEpsilon;
|
}
|
|
if (projection instanceof WebMercatorProjection) {
|
southLatitude = tile.rectangle.south;
|
northLatitude = tile.rectangle.north;
|
|
southMercatorY = WebMercatorProjection.geodeticLatitudeToMercatorAngle(
|
southLatitude
|
);
|
|
oneOverMercatorHeight =
|
1.0 /
|
(WebMercatorProjection.geodeticLatitudeToMercatorAngle(northLatitude) -
|
southMercatorY);
|
|
useWebMercatorProjection = true;
|
}
|
}
|
|
var surfaceShaderSetOptions = surfaceShaderSetOptionsScratch;
|
surfaceShaderSetOptions.frameState = frameState;
|
surfaceShaderSetOptions.surfaceTile = surfaceTile;
|
surfaceShaderSetOptions.showReflectiveOcean = showReflectiveOcean;
|
surfaceShaderSetOptions.showOceanWaves = showOceanWaves;
|
surfaceShaderSetOptions.enableLighting = tileProvider.enableLighting;
|
surfaceShaderSetOptions.dynamicAtmosphereLighting =
|
tileProvider.dynamicAtmosphereLighting;
|
surfaceShaderSetOptions.dynamicAtmosphereLightingFromSun =
|
tileProvider.dynamicAtmosphereLightingFromSun;
|
surfaceShaderSetOptions.showGroundAtmosphere = showGroundAtmosphere;
|
surfaceShaderSetOptions.perFragmentGroundAtmosphere = perFragmentGroundAtmosphere;
|
surfaceShaderSetOptions.hasVertexNormals = hasVertexNormals;
|
surfaceShaderSetOptions.useWebMercatorProjection = useWebMercatorProjection;
|
surfaceShaderSetOptions.clippedByBoundaries = surfaceTile.clippedByBoundaries;
|
surfaceShaderSetOptions.hasGeodeticSurfaceNormals = hasGeodeticSurfaceNormals;
|
surfaceShaderSetOptions.hasExaggeration = hasExaggeration;
|
|
var tileImageryCollection = surfaceTile.imagery;
|
var imageryIndex = 0;
|
var imageryLen = tileImageryCollection.length;
|
|
var showSkirts =
|
tileProvider.showSkirts && !cameraUnderground && !translucent;
|
var backFaceCulling =
|
tileProvider.backFaceCulling && !cameraUnderground && !translucent;
|
var firstPassRenderState = backFaceCulling
|
? tileProvider._renderState
|
: tileProvider._disableCullingRenderState;
|
var otherPassesRenderState = backFaceCulling
|
? tileProvider._blendRenderState
|
: tileProvider._disableCullingBlendRenderState;
|
var renderState = firstPassRenderState;
|
|
var initialColor = tileProvider._firstPassInitialColor;
|
|
var context = frameState.context;
|
|
if (!defined(tileProvider._debug.boundingSphereTile)) {
|
debugDestroyPrimitive();
|
}
|
|
var materialUniformMapChanged =
|
tileProvider._materialUniformMap !== tileProvider.materialUniformMap;
|
if (materialUniformMapChanged) {
|
tileProvider._materialUniformMap = tileProvider.materialUniformMap;
|
var drawCommandsLength = tileProvider._drawCommands.length;
|
for (var i = 0; i < drawCommandsLength; ++i) {
|
tileProvider._uniformMaps[i] = createTileUniformMap(
|
frameState,
|
tileProvider
|
);
|
}
|
}
|
|
do {
|
var numberOfDayTextures = 0;
|
|
var command;
|
var uniformMap;
|
|
if (tileProvider._drawCommands.length <= tileProvider._usedDrawCommands) {
|
command = new DrawCommand();
|
command.owner = tile;
|
command.cull = false;
|
command.boundingVolume = new BoundingSphere();
|
command.orientedBoundingBox = undefined;
|
|
uniformMap = createTileUniformMap(frameState, tileProvider);
|
|
tileProvider._drawCommands.push(command);
|
tileProvider._uniformMaps.push(uniformMap);
|
} else {
|
command = tileProvider._drawCommands[tileProvider._usedDrawCommands];
|
uniformMap = tileProvider._uniformMaps[tileProvider._usedDrawCommands];
|
}
|
|
command.owner = tile;
|
|
++tileProvider._usedDrawCommands;
|
|
if (tile === tileProvider._debug.boundingSphereTile) {
|
var obb = tileBoundingRegion.boundingVolume;
|
var boundingSphere = tileBoundingRegion.boundingSphere;
|
// If a debug primitive already exists for this tile, it will not be
|
// re-created, to avoid allocation every frame. If it were possible
|
// to have more than one selected tile, this would have to change.
|
if (defined(obb)) {
|
getDebugOrientedBoundingBox(obb, Color.RED).update(frameState);
|
} else if (defined(boundingSphere)) {
|
getDebugBoundingSphere(boundingSphere, Color.RED).update(frameState);
|
}
|
}
|
|
var uniformMapProperties = uniformMap.properties;
|
Cartesian4.clone(initialColor, uniformMapProperties.initialColor);
|
uniformMapProperties.oceanNormalMap = oceanNormalMap;
|
uniformMapProperties.lightingFadeDistance.x =
|
tileProvider.lightingFadeOutDistance;
|
uniformMapProperties.lightingFadeDistance.y =
|
tileProvider.lightingFadeInDistance;
|
uniformMapProperties.nightFadeDistance.x =
|
tileProvider.nightFadeOutDistance;
|
uniformMapProperties.nightFadeDistance.y = tileProvider.nightFadeInDistance;
|
uniformMapProperties.zoomedOutOceanSpecularIntensity =
|
tileProvider.zoomedOutOceanSpecularIntensity;
|
|
var frontFaceAlphaByDistanceFinal = cameraUnderground
|
? backFaceAlphaByDistance
|
: frontFaceAlphaByDistance;
|
var backFaceAlphaByDistanceFinal = cameraUnderground
|
? frontFaceAlphaByDistance
|
: backFaceAlphaByDistance;
|
|
if (defined(frontFaceAlphaByDistanceFinal)) {
|
Cartesian4.fromElements(
|
frontFaceAlphaByDistanceFinal.near,
|
frontFaceAlphaByDistanceFinal.nearValue,
|
frontFaceAlphaByDistanceFinal.far,
|
frontFaceAlphaByDistanceFinal.farValue,
|
uniformMapProperties.frontFaceAlphaByDistance
|
);
|
Cartesian4.fromElements(
|
backFaceAlphaByDistanceFinal.near,
|
backFaceAlphaByDistanceFinal.nearValue,
|
backFaceAlphaByDistanceFinal.far,
|
backFaceAlphaByDistanceFinal.farValue,
|
uniformMapProperties.backFaceAlphaByDistance
|
);
|
}
|
|
Cartesian4.fromElements(
|
undergroundColorAlphaByDistance.near,
|
undergroundColorAlphaByDistance.nearValue,
|
undergroundColorAlphaByDistance.far,
|
undergroundColorAlphaByDistance.farValue,
|
uniformMapProperties.undergroundColorAlphaByDistance
|
);
|
Color.clone(undergroundColor, uniformMapProperties.undergroundColor);
|
|
var highlightFillTile =
|
!defined(surfaceTile.vertexArray) &&
|
defined(tileProvider.fillHighlightColor) &&
|
tileProvider.fillHighlightColor.alpha > 0.0;
|
if (highlightFillTile) {
|
Color.clone(
|
tileProvider.fillHighlightColor,
|
uniformMapProperties.fillHighlightColor
|
);
|
}
|
|
uniformMapProperties.terrainExaggerationAndRelativeHeight.x = exaggeration;
|
uniformMapProperties.terrainExaggerationAndRelativeHeight.y = exaggerationRelativeHeight;
|
|
uniformMapProperties.center3D = mesh.center;
|
Cartesian3.clone(rtc, uniformMapProperties.rtc);
|
|
Cartesian4.clone(tileRectangle, uniformMapProperties.tileRectangle);
|
uniformMapProperties.southAndNorthLatitude.x = southLatitude;
|
uniformMapProperties.southAndNorthLatitude.y = northLatitude;
|
uniformMapProperties.southMercatorYAndOneOverHeight.x = southMercatorY;
|
uniformMapProperties.southMercatorYAndOneOverHeight.y = oneOverMercatorHeight;
|
|
// Convert tile limiter rectangle from cartographic to texture space using the tileRectangle.
|
var localizedCartographicLimitRectangle = localizedCartographicLimitRectangleScratch;
|
var cartographicLimitRectangle = clipRectangleAntimeridian(
|
tile.rectangle,
|
tileProvider.cartographicLimitRectangle
|
);
|
|
var localizedTranslucencyRectangle = localizedTranslucencyRectangleScratch;
|
var clippedTranslucencyRectangle = clipRectangleAntimeridian(
|
tile.rectangle,
|
translucencyRectangle
|
);
|
|
Cartesian3.fromElements(
|
hueShift,
|
saturationShift,
|
brightnessShift,
|
uniformMapProperties.hsbShift
|
);
|
|
var cartographicTileRectangle = tile.rectangle;
|
var inverseTileWidth = 1.0 / cartographicTileRectangle.width;
|
var inverseTileHeight = 1.0 / cartographicTileRectangle.height;
|
localizedCartographicLimitRectangle.x =
|
(cartographicLimitRectangle.west - cartographicTileRectangle.west) *
|
inverseTileWidth;
|
localizedCartographicLimitRectangle.y =
|
(cartographicLimitRectangle.south - cartographicTileRectangle.south) *
|
inverseTileHeight;
|
localizedCartographicLimitRectangle.z =
|
(cartographicLimitRectangle.east - cartographicTileRectangle.west) *
|
inverseTileWidth;
|
localizedCartographicLimitRectangle.w =
|
(cartographicLimitRectangle.north - cartographicTileRectangle.south) *
|
inverseTileHeight;
|
|
Cartesian4.clone(
|
localizedCartographicLimitRectangle,
|
uniformMapProperties.localizedCartographicLimitRectangle
|
);
|
|
localizedTranslucencyRectangle.x =
|
(clippedTranslucencyRectangle.west - cartographicTileRectangle.west) *
|
inverseTileWidth;
|
localizedTranslucencyRectangle.y =
|
(clippedTranslucencyRectangle.south - cartographicTileRectangle.south) *
|
inverseTileHeight;
|
localizedTranslucencyRectangle.z =
|
(clippedTranslucencyRectangle.east - cartographicTileRectangle.west) *
|
inverseTileWidth;
|
localizedTranslucencyRectangle.w =
|
(clippedTranslucencyRectangle.north - cartographicTileRectangle.south) *
|
inverseTileHeight;
|
|
Cartesian4.clone(
|
localizedTranslucencyRectangle,
|
uniformMapProperties.localizedTranslucencyRectangle
|
);
|
|
// For performance, use fog in the shader only when the tile is in fog.
|
var applyFog =
|
enableFog &&
|
CesiumMath.fog(tile._distance, frameState.fog.density) >
|
CesiumMath.EPSILON3;
|
colorCorrect = colorCorrect && (applyFog || showGroundAtmosphere);
|
|
var applyBrightness = false;
|
var applyContrast = false;
|
var applyHue = false;
|
var applySaturation = false;
|
var applyGamma = false;
|
var applyAlpha = false;
|
var applyDayNightAlpha = false;
|
var applySplit = false;
|
var applyCutout = false;
|
var applyColorToAlpha = false;
|
|
while (numberOfDayTextures < maxTextures && imageryIndex < imageryLen) {
|
var tileImagery = tileImageryCollection[imageryIndex];
|
var imagery = tileImagery.readyImagery;
|
++imageryIndex;
|
|
if (!defined(imagery) || imagery.imageryLayer.alpha === 0.0) {
|
continue;
|
}
|
|
var texture = tileImagery.useWebMercatorT
|
? imagery.textureWebMercator
|
: imagery.texture;
|
|
//>>includeStart('debug', pragmas.debug);
|
if (!defined(texture)) {
|
// Our "ready" texture isn't actually ready. This should never happen.
|
//
|
// Side note: It IS possible for it to not be in the READY ImageryState, though.
|
// This can happen when a single imagery tile is shared by two terrain tiles (common)
|
// and one of them (A) needs a geographic version of the tile because it is near the poles,
|
// and the other (B) does not. B can and will transition the imagery tile to the READY state
|
// without reprojecting to geographic. Then, later, A will deem that same tile not-ready-yet
|
// because it only has the Web Mercator texture, and flip it back to the TRANSITIONING state.
|
// The imagery tile won't be in the READY state anymore, but it's still READY enough for B's
|
// purposes.
|
throw new DeveloperError("readyImagery is not actually ready!");
|
}
|
//>>includeEnd('debug');
|
|
var imageryLayer = imagery.imageryLayer;
|
|
if (!defined(tileImagery.textureTranslationAndScale)) {
|
tileImagery.textureTranslationAndScale = imageryLayer._calculateTextureTranslationAndScale(
|
tile,
|
tileImagery
|
);
|
}
|
|
uniformMapProperties.dayTextures[numberOfDayTextures] = texture;
|
uniformMapProperties.dayTextureTranslationAndScale[numberOfDayTextures] =
|
tileImagery.textureTranslationAndScale;
|
uniformMapProperties.dayTextureTexCoordsRectangle[numberOfDayTextures] =
|
tileImagery.textureCoordinateRectangle;
|
uniformMapProperties.dayTextureUseWebMercatorT[numberOfDayTextures] =
|
tileImagery.useWebMercatorT;
|
|
uniformMapProperties.dayTextureAlpha[numberOfDayTextures] =
|
imageryLayer.alpha;
|
applyAlpha =
|
applyAlpha ||
|
uniformMapProperties.dayTextureAlpha[numberOfDayTextures] !== 1.0;
|
|
uniformMapProperties.dayTextureNightAlpha[numberOfDayTextures] =
|
imageryLayer.nightAlpha;
|
applyDayNightAlpha =
|
applyDayNightAlpha ||
|
uniformMapProperties.dayTextureNightAlpha[numberOfDayTextures] !== 1.0;
|
|
uniformMapProperties.dayTextureDayAlpha[numberOfDayTextures] =
|
imageryLayer.dayAlpha;
|
applyDayNightAlpha =
|
applyDayNightAlpha ||
|
uniformMapProperties.dayTextureDayAlpha[numberOfDayTextures] !== 1.0;
|
|
uniformMapProperties.dayTextureBrightness[numberOfDayTextures] =
|
imageryLayer.brightness;
|
applyBrightness =
|
applyBrightness ||
|
uniformMapProperties.dayTextureBrightness[numberOfDayTextures] !==
|
ImageryLayer.DEFAULT_BRIGHTNESS;
|
|
uniformMapProperties.dayTextureContrast[numberOfDayTextures] =
|
imageryLayer.contrast;
|
applyContrast =
|
applyContrast ||
|
uniformMapProperties.dayTextureContrast[numberOfDayTextures] !==
|
ImageryLayer.DEFAULT_CONTRAST;
|
|
uniformMapProperties.dayTextureHue[numberOfDayTextures] =
|
imageryLayer.hue;
|
applyHue =
|
applyHue ||
|
uniformMapProperties.dayTextureHue[numberOfDayTextures] !==
|
ImageryLayer.DEFAULT_HUE;
|
|
uniformMapProperties.dayTextureSaturation[numberOfDayTextures] =
|
imageryLayer.saturation;
|
applySaturation =
|
applySaturation ||
|
uniformMapProperties.dayTextureSaturation[numberOfDayTextures] !==
|
ImageryLayer.DEFAULT_SATURATION;
|
|
uniformMapProperties.dayTextureOneOverGamma[numberOfDayTextures] =
|
1.0 / imageryLayer.gamma;
|
applyGamma =
|
applyGamma ||
|
uniformMapProperties.dayTextureOneOverGamma[numberOfDayTextures] !==
|
1.0 / ImageryLayer.DEFAULT_GAMMA;
|
|
uniformMapProperties.dayTextureSplit[numberOfDayTextures] =
|
imageryLayer.splitDirection;
|
applySplit =
|
applySplit ||
|
uniformMapProperties.dayTextureSplit[numberOfDayTextures] !== 0.0;
|
|
// Update cutout rectangle
|
var dayTextureCutoutRectangle =
|
uniformMapProperties.dayTextureCutoutRectangles[numberOfDayTextures];
|
if (!defined(dayTextureCutoutRectangle)) {
|
dayTextureCutoutRectangle = uniformMapProperties.dayTextureCutoutRectangles[
|
numberOfDayTextures
|
] = new Cartesian4();
|
}
|
|
Cartesian4.clone(Cartesian4.ZERO, dayTextureCutoutRectangle);
|
if (defined(imageryLayer.cutoutRectangle)) {
|
var cutoutRectangle = clipRectangleAntimeridian(
|
cartographicTileRectangle,
|
imageryLayer.cutoutRectangle
|
);
|
var intersection = Rectangle.simpleIntersection(
|
cutoutRectangle,
|
cartographicTileRectangle,
|
rectangleIntersectionScratch
|
);
|
applyCutout = defined(intersection) || applyCutout;
|
|
dayTextureCutoutRectangle.x =
|
(cutoutRectangle.west - cartographicTileRectangle.west) *
|
inverseTileWidth;
|
dayTextureCutoutRectangle.y =
|
(cutoutRectangle.south - cartographicTileRectangle.south) *
|
inverseTileHeight;
|
dayTextureCutoutRectangle.z =
|
(cutoutRectangle.east - cartographicTileRectangle.west) *
|
inverseTileWidth;
|
dayTextureCutoutRectangle.w =
|
(cutoutRectangle.north - cartographicTileRectangle.south) *
|
inverseTileHeight;
|
}
|
|
// Update color to alpha
|
var colorToAlpha =
|
uniformMapProperties.colorsToAlpha[numberOfDayTextures];
|
if (!defined(colorToAlpha)) {
|
colorToAlpha = uniformMapProperties.colorsToAlpha[
|
numberOfDayTextures
|
] = new Cartesian4();
|
}
|
|
var hasColorToAlpha =
|
defined(imageryLayer.colorToAlpha) &&
|
imageryLayer.colorToAlphaThreshold > 0.0;
|
applyColorToAlpha = applyColorToAlpha || hasColorToAlpha;
|
|
if (hasColorToAlpha) {
|
var color = imageryLayer.colorToAlpha;
|
colorToAlpha.x = color.red;
|
colorToAlpha.y = color.green;
|
colorToAlpha.z = color.blue;
|
colorToAlpha.w = imageryLayer.colorToAlphaThreshold;
|
} else {
|
colorToAlpha.w = -1.0;
|
}
|
|
if (defined(imagery.credits)) {
|
var credits = imagery.credits;
|
for (
|
var creditIndex = 0, creditLength = credits.length;
|
creditIndex < creditLength;
|
++creditIndex
|
) {
|
creditDisplay.addCredit(credits[creditIndex]);
|
}
|
}
|
|
++numberOfDayTextures;
|
}
|
|
// trim texture array to the used length so we don't end up using old textures
|
// which might get destroyed eventually
|
uniformMapProperties.dayTextures.length = numberOfDayTextures;
|
uniformMapProperties.waterMask = waterMaskTexture;
|
Cartesian4.clone(
|
waterMaskTranslationAndScale,
|
uniformMapProperties.waterMaskTranslationAndScale
|
);
|
|
uniformMapProperties.minMaxHeight.x = encoding.minimumHeight;
|
uniformMapProperties.minMaxHeight.y = encoding.maximumHeight;
|
Matrix4.clone(encoding.matrix, uniformMapProperties.scaleAndBias);
|
|
// update clipping planes
|
var clippingPlanes = tileProvider._clippingPlanes;
|
var clippingPlanesEnabled =
|
defined(clippingPlanes) && clippingPlanes.enabled && tile.isClipped;
|
if (clippingPlanesEnabled) {
|
uniformMapProperties.clippingPlanesEdgeColor = Color.clone(
|
clippingPlanes.edgeColor,
|
uniformMapProperties.clippingPlanesEdgeColor
|
);
|
uniformMapProperties.clippingPlanesEdgeWidth = clippingPlanes.edgeWidth;
|
}
|
|
surfaceShaderSetOptions.numberOfDayTextures = numberOfDayTextures;
|
surfaceShaderSetOptions.applyBrightness = applyBrightness;
|
surfaceShaderSetOptions.applyContrast = applyContrast;
|
surfaceShaderSetOptions.applyHue = applyHue;
|
surfaceShaderSetOptions.applySaturation = applySaturation;
|
surfaceShaderSetOptions.applyGamma = applyGamma;
|
surfaceShaderSetOptions.applyAlpha = applyAlpha;
|
surfaceShaderSetOptions.applyDayNightAlpha = applyDayNightAlpha;
|
surfaceShaderSetOptions.applySplit = applySplit;
|
surfaceShaderSetOptions.enableFog = applyFog;
|
surfaceShaderSetOptions.enableClippingPlanes = clippingPlanesEnabled;
|
surfaceShaderSetOptions.clippingPlanes = clippingPlanes;
|
surfaceShaderSetOptions.hasImageryLayerCutout = applyCutout;
|
surfaceShaderSetOptions.colorCorrect = colorCorrect;
|
surfaceShaderSetOptions.highlightFillTile = highlightFillTile;
|
surfaceShaderSetOptions.colorToAlpha = applyColorToAlpha;
|
surfaceShaderSetOptions.showUndergroundColor = showUndergroundColor;
|
surfaceShaderSetOptions.translucent = translucent;
|
|
var count = surfaceTile.renderedMesh.indices.length;
|
if (!showSkirts) {
|
count = surfaceTile.renderedMesh.indexCountWithoutSkirts;
|
}
|
|
command.shaderProgram = tileProvider._surfaceShaderSet.getShaderProgram(
|
surfaceShaderSetOptions
|
);
|
command.castShadows = castShadows;
|
command.receiveShadows = receiveShadows;
|
command.renderState = renderState;
|
command.primitiveType = PrimitiveType.TRIANGLES;
|
command.vertexArray =
|
surfaceTile.vertexArray || surfaceTile.fill.vertexArray;
|
command.count = count;
|
command.uniformMap = uniformMap;
|
command.pass = Pass.GLOBE;
|
|
if (tileProvider._debug.wireframe) {
|
createWireframeVertexArrayIfNecessary(context, tileProvider, tile);
|
if (defined(surfaceTile.wireframeVertexArray)) {
|
command.vertexArray = surfaceTile.wireframeVertexArray;
|
command.primitiveType = PrimitiveType.LINES;
|
command.count = count * 2;
|
}
|
}
|
|
var boundingVolume = command.boundingVolume;
|
var orientedBoundingBox = command.orientedBoundingBox;
|
|
if (frameState.mode !== SceneMode.SCENE3D) {
|
BoundingSphere.fromRectangleWithHeights2D(
|
tile.rectangle,
|
frameState.mapProjection,
|
tileBoundingRegion.minimumHeight,
|
tileBoundingRegion.maximumHeight,
|
boundingVolume
|
);
|
Cartesian3.fromElements(
|
boundingVolume.center.z,
|
boundingVolume.center.x,
|
boundingVolume.center.y,
|
boundingVolume.center
|
);
|
|
if (frameState.mode === SceneMode.MORPHING) {
|
boundingVolume = BoundingSphere.union(
|
tileBoundingRegion.boundingSphere,
|
boundingVolume,
|
boundingVolume
|
);
|
}
|
} else {
|
command.boundingVolume = BoundingSphere.clone(
|
tileBoundingRegion.boundingSphere,
|
boundingVolume
|
);
|
command.orientedBoundingBox = OrientedBoundingBox.clone(
|
tileBoundingRegion.boundingVolume,
|
orientedBoundingBox
|
);
|
}
|
|
command.dirty = true;
|
|
if (translucent) {
|
globeTranslucencyState.updateDerivedCommands(command, frameState);
|
}
|
|
pushCommand(command, frameState);
|
|
renderState = otherPassesRenderState;
|
initialColor = otherPassesInitialColor;
|
} while (imageryIndex < imageryLen);
|
}
|
export default GlobeSurfaceTileProvider;
|
