21261550644

Committed 22 Jan 2026 07:13PM UTC coverage: 91.105% (-0.01%) from 91.115%

Build # 21261550644

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Pull #9955

github

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web-flow

Commit Message

Merge c9393dee3 into 83ac41278

Pull Request Pull Request #9955: chore(mapbox): Remove internal deck mode from `MapboxLayer`

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/modules/mapbox/src/deck-utils.ts

// deck.gl
// SPDX-License-Identifier: MIT
// Copyright (c) vis.gl contributors

import {Deck, MapView, _GlobeView as GlobeView, _flatten as flatten} from '@deck.gl/core';
import type {Viewport, MapViewState, Layer} from '@deck.gl/core';
import type {Parameters} from '@luma.gl/core';
import type MapboxLayer from './mapbox-layer';
import type MapboxLayerGroup from './mapbox-layer-group';
import type {LayerOverlayProps, Map} from './types';

import {lngLatToWorld, unitsPerMeter} from '@math.gl/web-mercator';

const MAPBOX_VIEW_ID = 'mapbox';

type UserData = {
  currentViewport?: Viewport | null;
  mapboxLayers: Set<MapboxLayer<any>>;
  // mapboxVersion: {minor: number; major: number};
};

// Mercator constants
const TILE_SIZE = 512;
const DEGREES_TO_RADIANS = Math.PI / 180;

// Create an interleaved deck instance.
export function getDeckInstance({
  map,
  deck
}: {
  map: Map & {__deck?: Deck<any> | null};
  deck: Deck<any>;
}): Deck<any> {
  // Only create one deck instance per context
  if (map.__deck) {
    return map.__deck;
  }

  // Only initialize certain props once per context
  const customRender = deck.props._customRender;
  const onLoad = deck.props.onLoad;

  const deckProps = {
    ...deck.props,
    _customRender: () => {
      map.triggerRepaint();
      // customRender may be subscribed by DeckGL React component to update child props
      // make sure it is still called
      // Hack - do not pass a redraw reason here to prevent the React component from clearing the context
      // Rerender will be triggered by MapboxLayer's render()
      customRender?.('');
    }
  };
  deckProps.views ||= getDefaultView(map);

  // deck is using the WebGLContext created by mapbox,
  // block deck from setting the canvas size, and use the map's viewState to drive deck.
  Object.assign(deckProps, {
    width: null,
    height: null,
    touchAction: 'unset',
    viewState: getViewState(map)
  });
  if (deck.isInitialized) {
    watchMapMove(deck, map);
  } else {
    deckProps.onLoad = () => {
      onLoad?.();
      watchMapMove(deck, map);
    };
  }

  deck.setProps(deckProps);

  (deck.userData as UserData).mapboxLayers = new Set();
  map.__deck = deck;
  map.on('render', () => {
    if (deck.isInitialized) afterRender(deck, map);
  });

  return deck;
}

function watchMapMove(deck: Deck, map: Map & {__deck?: Deck | null}) {
  const _handleMapMove = () => {
    if (deck.isInitialized) {
      // call view state methods
      onMapMove(deck, map);
    } else {
      // deregister itself when deck is finalized
      map.off('move', _handleMapMove);
    }
  };
  map.on('move', _handleMapMove);
}

export function removeDeckInstance(map: Map & {__deck?: Deck | null}) {
  map.__deck?.finalize();
  map.__deck = null;
}

export function getDefaultParameters(map: Map, interleaved: boolean): Parameters {
  const result: Parameters = interleaved
    ? {
        depthWriteEnabled: true,
        depthCompare: 'less-equal',
        depthBias: 0,
        blend: true,
        blendColorSrcFactor: 'src-alpha',
        blendColorDstFactor: 'one-minus-src-alpha',
        blendAlphaSrcFactor: 'one',
        blendAlphaDstFactor: 'one-minus-src-alpha',
        blendColorOperation: 'add',
        blendAlphaOperation: 'add'
      }
    : {};
  if (getProjection(map) === 'globe') {
    result.cullMode = 'back';
  }
  return result;
}

export function addLayer(deck: Deck, layer: MapboxLayer<any>): void {
  (deck.userData as UserData).mapboxLayers.add(layer);
}

export function removeLayer(deck: Deck, layer: MapboxLayer<any>): void {
  (deck.userData as UserData).mapboxLayers.delete(layer);
}

export function drawLayer(
  deck: Deck,
  map: Map,
  layer: MapboxLayer<any>,
  renderParameters: any
): void {
  let {currentViewport} = deck.userData as UserData;
  let clearStack: boolean = false;
  if (!currentViewport) {
    // This is the first layer drawn in this render cycle.
    // Generate viewport from the current map state.
    currentViewport = getViewport(deck, map, renderParameters);
    (deck.userData as UserData).currentViewport = currentViewport;
    clearStack = true;
  }

  if (!deck.isInitialized) {
    return;
  }

  deck._drawLayers('mapbox-repaint', {
    viewports: [currentViewport],
    layerFilter: params =>
      (!deck.props.layerFilter || deck.props.layerFilter(params)) &&
      (layer.id === params.layer.id || params.layer.props.operation.includes('terrain')),
    clearStack,
    clearCanvas: false
  });
}

export function drawLayerGroup(
  deck: Deck,
  map: Map,
  group: MapboxLayerGroup,
  renderParameters: any
): void {
  let {currentViewport} = deck.userData as UserData;
  let clearStack: boolean = false;
  if (!currentViewport) {
    // This is the first layer drawn in this render cycle.
    // Generate viewport from the current map state.
    currentViewport = getViewport(deck, map, renderParameters);
    (deck.userData as UserData).currentViewport = currentViewport;
    clearStack = true;
  }

  if (!deck.isInitialized) {
    return;
  }

  deck._drawLayers('mapbox-repaint', {
    viewports: [currentViewport],
    layerFilter: params => {
      if (deck.props.layerFilter && !deck.props.layerFilter(params)) {
        return false;
      }

      const layer = params.layer as Layer<LayerOverlayProps>;
      if (layer.props.beforeId === group.beforeId && layer.props.slot === group.slot) {
        return true;
      }
      return false;
    },
    clearStack,
    clearCanvas: false
  });
}

export function getProjection(map: Map): 'mercator' | 'globe' {
  const projection = map.getProjection?.();
  const type =
    // maplibre projection spec
    projection?.type ||
    // mapbox projection spec
    projection?.name;
  if (type === 'globe') {
    return 'globe';
  }
  if (type && type !== 'mercator') {
    throw new Error('Unsupported projection');
  }
  return 'mercator';
}

export function getDefaultView(map: Map): GlobeView | MapView {
  if (getProjection(map) === 'globe') {
    return new GlobeView({id: MAPBOX_VIEW_ID});
  }
  return new MapView({id: MAPBOX_VIEW_ID});
}

export function getViewState(map: Map): MapViewState & {
  repeat: boolean;
  padding: {
    left: number;
    right: number;
    top: number;
    bottom: number;
  };
} {
  const {lng, lat} = map.getCenter();

  const viewState: MapViewState & {
    repeat: boolean;
    padding: {
      left: number;
      right: number;
      top: number;
      bottom: number;
    };
  } = {
    // Longitude returned by getCenter can be outside of [-180, 180] when zooming near the anti meridian
    // https://github.com/visgl/deck.gl/issues/6894
    longitude: ((lng + 540) % 360) - 180,
    latitude: lat,
    zoom: map.getZoom(),
    bearing: map.getBearing(),
    pitch: map.getPitch(),
    padding: map.getPadding(),
    repeat: map.getRenderWorldCopies()
  };

  if (map.getTerrain?.()) {
    // When the base map has terrain, we need to target the camera at the terrain surface
    centerCameraOnTerrain(map, viewState);
  }

  return viewState;
}

function centerCameraOnTerrain(map: Map, viewState: MapViewState) {
  if (map.getFreeCameraOptions) {
    // mapbox-gl v2
    const {position} = map.getFreeCameraOptions();
    if (!position || position.z === undefined) {
      return;
    }

    // @ts-ignore transform is not typed
    const height = map.transform.height;
    const {longitude, latitude, pitch} = viewState;

    // Convert mapbox mercator coordinate to deck common space
    const cameraX = position.x * TILE_SIZE;
    const cameraY = (1 - position.y) * TILE_SIZE;
    const cameraZ = position.z * TILE_SIZE;

    // Mapbox manipulates zoom in terrain mode, see discussion here: https://github.com/mapbox/mapbox-gl-js/issues/12040
    const center = lngLatToWorld([longitude, latitude]);
    const dx = cameraX - center[0];
    const dy = cameraY - center[1];
    const cameraToCenterDistanceGround = Math.sqrt(dx * dx + dy * dy);

    const pitchRadians = pitch! * DEGREES_TO_RADIANS;
    const altitudePixels = 1.5 * height;
    const scale =
      pitchRadians < 0.001
        ? // Pitch angle too small to deduce the look at point, assume elevation is 0
          (altitudePixels * Math.cos(pitchRadians)) / cameraZ
        : (altitudePixels * Math.sin(pitchRadians)) / cameraToCenterDistanceGround;
    viewState.zoom = Math.log2(scale);

    const cameraZFromSurface = (altitudePixels * Math.cos(pitchRadians)) / scale;
    const surfaceElevation = cameraZ - cameraZFromSurface;
    viewState.position = [0, 0, surfaceElevation / unitsPerMeter(latitude)];
  }
  // @ts-ignore transform is not typed
  else if (typeof map.transform.elevation === 'number') {
    // maplibre-gl
    // @ts-ignore transform is not typed
    viewState.position = [0, 0, map.transform.elevation];
  }
}

// Since maplibre-gl@5
// https://github.com/maplibre/maplibre-gl-js/blob/main/src/style/style_layer/custom_style_layer.ts
type MaplibreRenderParameters = {
  farZ: number;
  nearZ: number;
  fov: number;
  modelViewProjectionMatrix: number[];
  projectionMatrix: number[];
};

function getViewport(deck: Deck, map: Map, renderParameters?: unknown): Viewport {
  const viewState = getViewState(map);
  const {views} = deck.props;
  const view =
    (views && flatten(views).find((v: {id: string}) => v.id === MAPBOX_VIEW_ID)) ||
    getDefaultView(map);

  if (renderParameters) {
    // Called from MapboxLayer.render
    // Magic number, matches mapbox-gl@>=1.3.0's projection matrix
    view.props.nearZMultiplier = 0.2;
  }

  // Get the base map near/far plane
  // renderParameters is maplibre API but not mapbox
  // Transform is not an official API, properties could be undefined for older versions
  const nearZ = (renderParameters as MaplibreRenderParameters)?.nearZ ?? map.transform._nearZ;
  const farZ = (renderParameters as MaplibreRenderParameters)?.farZ ?? map.transform._farZ;
  if (Number.isFinite(nearZ)) {
    viewState.nearZ = nearZ / map.transform.height;
    viewState.farZ = farZ / map.transform.height;
  }
  // Otherwise fallback to default calculation using nearZMultiplier/farZMultiplier

  return view.makeViewport({
    width: deck.width,
    height: deck.height,
    viewState
  }) as Viewport;
}

function afterRender(deck: Deck, map: Map): void {
  const {mapboxLayers} = deck.userData as UserData;

  // Draw non-Mapbox layers
  const mapboxLayerIds = Array.from(mapboxLayers, layer => layer.id);
  const deckLayers = flatten(deck.props.layers, Boolean) as Layer[];
  const hasNonMapboxLayers = deckLayers.some(layer => layer && !mapboxLayerIds.includes(layer.id));
  let viewports = deck.getViewports();
  const mapboxViewportIdx = viewports.findIndex(vp => vp.id === MAPBOX_VIEW_ID);
  const hasNonMapboxViews = viewports.length > 1 || mapboxViewportIdx < 0;

  if (hasNonMapboxLayers || hasNonMapboxViews) {
    if (mapboxViewportIdx >= 0) {
      viewports = viewports.slice();
      viewports[mapboxViewportIdx] = getViewport(deck, map);
    }

    deck._drawLayers('mapbox-repaint', {
      viewports,
      layerFilter: params =>
        (!deck.props.layerFilter || deck.props.layerFilter(params)) &&
        (params.viewport.id !== MAPBOX_VIEW_ID || !mapboxLayerIds.includes(params.layer.id)),
      clearCanvas: false
    });
  }

  // End of render cycle, clear generated viewport
  (deck.userData as UserData).currentViewport = null;
}

function onMapMove(deck: Deck, map: Map): void {
  deck.setProps({
    viewState: getViewState(map)
  });
  // Camera changed, will trigger a map repaint right after this
  // Clear any change flag triggered by setting viewState so that deck does not request
  // a second repaint
  deck.needsRedraw({clearRedrawFlags: true});
}

1	// deck.gl	1✔
2	// SPDX-License-Identifier: MIT	1✔
3	// Copyright (c) vis.gl contributors	1✔
4		1✔
5	import {Deck, MapView, _GlobeView as GlobeView, _flatten as flatten} from '@deck.gl/core';	1✔
6	import type {Viewport, MapViewState, Layer} from '@deck.gl/core';	1✔
7	import type {Parameters} from '@luma.gl/core';	1✔
8	import type MapboxLayer from './mapbox-layer';	1✔
9	import type MapboxLayerGroup from './mapbox-layer-group';	1✔
10	import type {LayerOverlayProps, Map} from './types';	1✔
11		1✔
12	import {lngLatToWorld, unitsPerMeter} from '@math.gl/web-mercator';	1✔
13		1✔
14	const MAPBOX_VIEW_ID = 'mapbox';	1✔
15		1✔
16	type UserData = {	1✔
17	currentViewport?: Viewport \| null;	1✔
18	mapboxLayers: Set<MapboxLayer<any>>;	1✔
19	// mapboxVersion: {minor: number; major: number};	1✔
20	};	1✔
21		1✔
22	// Mercator constants	1✔
23	const TILE_SIZE = 512;	1✔
24	const DEGREES_TO_RADIANS = Math.PI / 180;	1✔
25		1✔
26	// Create an interleaved deck instance.	1✔
27	export function getDeckInstance({	1✔
28	map,	14✔
29	deck	14✔
30	}: {	14✔
31	map: Map & {__deck?: Deck<any> \| null};	14✔
32	deck: Deck<any>;	14✔
33	}): Deck<any> {	14✔
34	// Only create one deck instance per context	14✔
35	if (map.__deck) {	14!
UNCOV 36	return map.__deck;	×
UNCOV 37	}	×
38		14✔
39	// Only initialize certain props once per context	14✔
40	const customRender = deck.props._customRender;	14✔
41	const onLoad = deck.props.onLoad;	14✔
42		14✔
43	const deckProps = {	14✔
44	...deck.props,	14✔
45	_customRender: () => {	14✔
46	map.triggerRepaint();	15✔
47	// customRender may be subscribed by DeckGL React component to update child props	15✔
48	// make sure it is still called	15✔
49	// Hack - do not pass a redraw reason here to prevent the React component from clearing the context	15✔
50	// Rerender will be triggered by MapboxLayer's render()	15✔
51	customRender?.('');	15!
52	}	15✔
53	};	14✔
54	deckProps.views \|\|= getDefaultView(map);	14✔
55		14✔
56	// deck is using the WebGLContext created by mapbox,	14✔
57	// block deck from setting the canvas size, and use the map's viewState to drive deck.	14✔
58	Object.assign(deckProps, {	14✔
59	width: null,	14✔
60	height: null,	14✔
61	touchAction: 'unset',	14✔
62	viewState: getViewState(map)	14✔
63	});	14✔
64	if (deck.isInitialized) {	14✔
65	watchMapMove(deck, map);	2✔
66	} else {	14✔
67	deckProps.onLoad = () => {	12✔
68	onLoad?.();	10✔
69	watchMapMove(deck, map);	10✔
70	};	10✔
71	}	12✔
72		14✔
73	deck.setProps(deckProps);	14✔
74		14✔
75	(deck.userData as UserData).mapboxLayers = new Set();	14✔
76	map.__deck = deck;	14✔
77	map.on('render', () => {	14✔
78	if (deck.isInitialized) afterRender(deck, map);	17✔
79	});	14✔
80		14✔
81	return deck;	14✔
82	}	14✔
83		1✔
84	function watchMapMove(deck: Deck, map: Map & {__deck?: Deck \| null}) {	12✔
85	const _handleMapMove = () => {	12✔
86	if (deck.isInitialized) {	1!
87	// call view state methods	×
88	onMapMove(deck, map);	×
89	} else {	1✔
90	// deregister itself when deck is finalized	1✔
91	map.off('move', _handleMapMove);	1✔
92	}	1✔
93	};	1✔
94	map.on('move', _handleMapMove);	12✔
95	}	12✔
96		1✔
97	export function removeDeckInstance(map: Map & {__deck?: Deck \| null}) {	1✔
98	map.__deck?.finalize();	10✔
99	map.__deck = null;	10✔
100	}	10✔
101		1✔
102	export function getDefaultParameters(map: Map, interleaved: boolean): Parameters {	1✔
103	const result: Parameters = interleaved	18✔
104	? {	14✔
105	depthWriteEnabled: true,	14✔
106	depthCompare: 'less-equal',	14✔
107	depthBias: 0,	14✔
108	blend: true,	14✔
109	blendColorSrcFactor: 'src-alpha',	14✔
110	blendColorDstFactor: 'one-minus-src-alpha',	14✔
111	blendAlphaSrcFactor: 'one',	14✔
112	blendAlphaDstFactor: 'one-minus-src-alpha',	14✔
113	blendColorOperation: 'add',	14✔
114	blendAlphaOperation: 'add'	14✔
115	}	14✔
116	: {};	4✔
117	if (getProjection(map) === 'globe') {	18✔
118	result.cullMode = 'back';	1✔
119	}	1✔
120	return result;	18✔
121	}	18✔
122		1✔
123	export function addLayer(deck: Deck, layer: MapboxLayer<any>): void {	1✔
124	(deck.userData as UserData).mapboxLayers.add(layer);	18✔
125	}	18✔
126		1✔
127	export function removeLayer(deck: Deck, layer: MapboxLayer<any>): void {	1✔
128	(deck.userData as UserData).mapboxLayers.delete(layer);	12✔
129	}	12✔
130		1✔
131	export function drawLayer(	1✔
132	deck: Deck,	11✔
133	map: Map,	11✔
134	layer: MapboxLayer<any>,	11✔
135	renderParameters: any	11✔
136	): void {	11✔
137	let {currentViewport} = deck.userData as UserData;	11✔
138	let clearStack: boolean = false;	11✔
139	if (!currentViewport) {	11✔
140	// This is the first layer drawn in this render cycle.	10✔
141	// Generate viewport from the current map state.	10✔
142	currentViewport = getViewport(deck, map, renderParameters);	10✔
143	(deck.userData as UserData).currentViewport = currentViewport;	10✔
144	clearStack = true;	10✔
145	}	10✔
146		11✔
147	if (!deck.isInitialized) {	11✔
148	return;	1✔
149	}	1✔
150		10✔
151	deck._drawLayers('mapbox-repaint', {	10✔
152	viewports: [currentViewport],	10✔
153	layerFilter: params =>	10✔
154	(!deck.props.layerFilter \|\| deck.props.layerFilter(params)) &&	13✔
155	(layer.id === params.layer.id \|\| params.layer.props.operation.includes('terrain')),	10✔
156	clearStack,	10✔
157	clearCanvas: false	10✔
158	});	10✔
159	}	10✔
160		1✔
161	export function drawLayerGroup(	1✔
162	deck: Deck,	3✔
163	map: Map,	3✔
164	group: MapboxLayerGroup,	3✔
165	renderParameters: any	3✔
166	): void {	3✔
167	let {currentViewport} = deck.userData as UserData;	3✔
168	let clearStack: boolean = false;	3✔
169	if (!currentViewport) {	3✔
170	// This is the first layer drawn in this render cycle.	3✔
171	// Generate viewport from the current map state.	3✔
172	currentViewport = getViewport(deck, map, renderParameters);	3✔
173	(deck.userData as UserData).currentViewport = currentViewport;	3✔
174	clearStack = true;	3✔
175	}	3✔
176		3✔
177	if (!deck.isInitialized) {	3!
178	return;	×
179	}	×
180		3✔
181	deck._drawLayers('mapbox-repaint', {	3✔
182	viewports: [currentViewport],	3✔
183	layerFilter: params => {	3✔
184	if (deck.props.layerFilter && !deck.props.layerFilter(params)) {	4!
185	return false;	×
186	}	×
187		4✔
188	const layer = params.layer as Layer<LayerOverlayProps>;	4✔
189	if (layer.props.beforeId === group.beforeId && layer.props.slot === group.slot) {	4✔
190	return true;	4✔
191	}	4!
192	return false;	×
193	},	4✔
194	clearStack,	3✔
195	clearCanvas: false	3✔
196	});	3✔
197	}	3✔
198		1✔
199	export function getProjection(map: Map): 'mercator' \| 'globe' {	1✔
200	const projection = map.getProjection?.();	51✔
201	const type =	51✔
202	// maplibre projection spec	51✔
203	projection?.type \|\|	51!
204	// mapbox projection spec	×
205	projection?.name;	×
206	if (type === 'globe') {	51✔
207	return 'globe';	4✔
208	}	4✔
209	if (type && type !== 'mercator') {	51!
210	throw new Error('Unsupported projection');	×
211	}	✔
212	return 'mercator';	47✔
213	}	47✔
214		1✔
215	export function getDefaultView(map: Map): GlobeView \| MapView {	1✔
216	if (getProjection(map) === 'globe') {	25✔
217	return new GlobeView({id: MAPBOX_VIEW_ID});	2✔
218	}	2✔
219	return new MapView({id: MAPBOX_VIEW_ID});	23✔
220	}	23✔
221		1✔
222	export function getViewState(map: Map): MapViewState & {	1✔
223	repeat: boolean;	35✔
224	padding: {	35✔
225	left: number;	35✔
226	right: number;	35✔
227	top: number;	35✔
228	bottom: number;	35✔
229	};	35✔
230	} {	35✔
231	const {lng, lat} = map.getCenter();	35✔
232		35✔
233	const viewState: MapViewState & {	35✔
234	repeat: boolean;	35✔
235	padding: {	35✔
236	left: number;	35✔
237	right: number;	35✔
238	top: number;	35✔
239	bottom: number;	35✔
240	};	35✔
241	} = {	35✔
242	// Longitude returned by getCenter can be outside of [-180, 180] when zooming near the anti meridian	35✔
243	// https://github.com/visgl/deck.gl/issues/6894	35✔
244	longitude: ((lng + 540) % 360) - 180,	35✔
245	latitude: lat,	35✔
246	zoom: map.getZoom(),	35✔
247	bearing: map.getBearing(),	35✔
248	pitch: map.getPitch(),	35✔
249	padding: map.getPadding(),	35✔
250	repeat: map.getRenderWorldCopies()	35✔
251	};	35✔
252		35✔
253	if (map.getTerrain?.()) {	35!
254	// When the base map has terrain, we need to target the camera at the terrain surface	×
255	centerCameraOnTerrain(map, viewState);	×
256	}	×
257		35✔
258	return viewState;	35✔
259	}	35✔
260		1✔
261	function centerCameraOnTerrain(map: Map, viewState: MapViewState) {	×
262	if (map.getFreeCameraOptions) {	×
263	// mapbox-gl v2	×
264	const {position} = map.getFreeCameraOptions();	×
265	if (!position \|\| position.z === undefined) {	×
266	return;	×
267	}	×
268		×
269	// @ts-ignore transform is not typed	×
270	const height = map.transform.height;	×
271	const {longitude, latitude, pitch} = viewState;	×
272		×
273	// Convert mapbox mercator coordinate to deck common space	×
274	const cameraX = position.x * TILE_SIZE;	×
275	const cameraY = (1 - position.y) * TILE_SIZE;	×
276	const cameraZ = position.z * TILE_SIZE;	×
277		×
278	// Mapbox manipulates zoom in terrain mode, see discussion here: https://github.com/mapbox/mapbox-gl-js/issues/12040	×
279	const center = lngLatToWorld([longitude, latitude]);	×
280	const dx = cameraX - center[0];	×
281	const dy = cameraY - center[1];	×
282	const cameraToCenterDistanceGround = Math.sqrt(dx * dx + dy * dy);	×
283		×
284	const pitchRadians = pitch! * DEGREES_TO_RADIANS;	×
285	const altitudePixels = 1.5 * height;	×
286	const scale =	×
287	pitchRadians < 0.001	×
288	? // Pitch angle too small to deduce the look at point, assume elevation is 0	×
289	(altitudePixels * Math.cos(pitchRadians)) / cameraZ	×
290	: (altitudePixels * Math.sin(pitchRadians)) / cameraToCenterDistanceGround;	×
291	viewState.zoom = Math.log2(scale);	×
292		×
293	const cameraZFromSurface = (altitudePixels * Math.cos(pitchRadians)) / scale;	×
294	const surfaceElevation = cameraZ - cameraZFromSurface;	×
295	viewState.position = [0, 0, surfaceElevation / unitsPerMeter(latitude)];	×
296	}	×
297	// @ts-ignore transform is not typed	×
298	else if (typeof map.transform.elevation === 'number') {	×
299	// maplibre-gl	×
300	// @ts-ignore transform is not typed	×
301	viewState.position = [0, 0, map.transform.elevation];	×
302	}	×
303	}	×
304		1✔
305	// Since maplibre-gl@5	1✔
306	// https://github.com/maplibre/maplibre-gl-js/blob/main/src/style/style_layer/custom_style_layer.ts	1✔
307	type MaplibreRenderParameters = {	1✔
308	farZ: number;	1✔
309	nearZ: number;	1✔
310	fov: number;	1✔
311	modelViewProjectionMatrix: number[];	1✔
312	projectionMatrix: number[];	1✔
313	};	1✔
314		1✔
315	function getViewport(deck: Deck, map: Map, renderParameters?: unknown): Viewport {	17✔
316	const viewState = getViewState(map);	17✔
317	const {views} = deck.props;	17✔
318	const view =	17✔
319	(views && flatten(views).find((v: {id: string}) => v.id === MAPBOX_VIEW_ID)) \|\|	17✔
320	getDefaultView(map);	1✔
321		17✔
322	if (renderParameters) {	17!
323	// Called from MapboxLayer.render	×
324	// Magic number, matches mapbox-gl@>=1.3.0's projection matrix	×
325	view.props.nearZMultiplier = 0.2;	×
326	}	×
327		17✔
328	// Get the base map near/far plane	17✔
329	// renderParameters is maplibre API but not mapbox	17✔
330	// Transform is not an official API, properties could be undefined for older versions	17✔
331	const nearZ = (renderParameters as MaplibreRenderParameters)?.nearZ ?? map.transform._nearZ;	17!
332	const farZ = (renderParameters as MaplibreRenderParameters)?.farZ ?? map.transform._farZ;	17!
333	if (Number.isFinite(nearZ)) {	17!
334	viewState.nearZ = nearZ / map.transform.height;	×
335	viewState.farZ = farZ / map.transform.height;	×
336	}	×
337	// Otherwise fallback to default calculation using nearZMultiplier/farZMultiplier	17✔
338		17✔
339	return view.makeViewport({	17✔
340	width: deck.width,	17✔
341	height: deck.height,	17✔
342	viewState	17✔
343	}) as Viewport;	17✔
344	}	17✔
345		1✔
346	function afterRender(deck: Deck, map: Map): void {	16✔
347	const {mapboxLayers} = deck.userData as UserData;	16✔
348		16✔
349	// Draw non-Mapbox layers	16✔
350	const mapboxLayerIds = Array.from(mapboxLayers, layer => layer.id);	16✔
351	const deckLayers = flatten(deck.props.layers, Boolean) as Layer[];	16✔
352	const hasNonMapboxLayers = deckLayers.some(layer => layer && !mapboxLayerIds.includes(layer.id));	16✔
353	let viewports = deck.getViewports();	16✔
354	const mapboxViewportIdx = viewports.findIndex(vp => vp.id === MAPBOX_VIEW_ID);	16✔
355	const hasNonMapboxViews = viewports.length > 1 \|\| mapboxViewportIdx < 0;	16✔
356		16✔
357	if (hasNonMapboxLayers \|\| hasNonMapboxViews) {	16✔
358	if (mapboxViewportIdx >= 0) {	5✔
359	viewports = viewports.slice();	4✔
360	viewports[mapboxViewportIdx] = getViewport(deck, map);	4✔
361	}	4✔
362		5✔
363	deck._drawLayers('mapbox-repaint', {	5✔
364	viewports,	5✔
365	layerFilter: params =>	5✔
366	(!deck.props.layerFilter \|\| deck.props.layerFilter(params)) &&	9✔
367	(params.viewport.id !== MAPBOX_VIEW_ID \|\| !mapboxLayerIds.includes(params.layer.id)),	7✔
368	clearCanvas: false	5✔
369	});	5✔
370	}	5✔
371		16✔
372	// End of render cycle, clear generated viewport	16✔
373	(deck.userData as UserData).currentViewport = null;	16✔
374	}	16✔
375		1✔
376	function onMapMove(deck: Deck, map: Map): void {	×
377	deck.setProps({	×
378	viewState: getViewState(map)	×
379	});	×
380	// Camera changed, will trigger a map repaint right after this	×
381	// Clear any change flag triggered by setting viewState so that deck does not request	×
382	// a second repaint	×
383	deck.needsRedraw({clearRedrawFlags: true});	×
384	}	×

visgl / deck.gl / 21261550644

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