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Include WebGL context in render events for WebGL layers

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This commit is contained in:
Tim Schaub
2021-10-28 18:43:04 -06:00
parent aff751bdf0
commit 2adf74ece4
8 changed files with 172 additions and 20 deletions
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9
src/ol/render/Event.js
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@@ -10,7 +10,7 @@ class RenderEvent extends Event {
* @param {import("../transform.js").Transform} [opt_inversePixelTransform] Transform for
* CSS pixels to rendered pixels.
* @param {import("../PluggableMap.js").FrameState} [opt_frameState] Frame state.
* @param {?CanvasRenderingContext2D} [opt_context] Context.
* @param {?(CanvasRenderingContext2D|WebGLRenderingContext)} [opt_context] Context.
*/
constructor(type, opt_inversePixelTransform, opt_frameState, opt_context) {
super(type);
@@ -31,9 +31,10 @@ class RenderEvent extends Event {
this.frameState = opt_frameState;
/**
* Canvas context. Not available when the event is dispatched by the map. Only available
* when a Canvas renderer is used, null otherwise.
* @type {CanvasRenderingContext2D|null|undefined}
* Canvas context. Not available when the event is dispatched by the map. For Canvas 2D layers,
* the context will be the 2D rendering context. For WebGL layers, the context will be the WebGL
* context.
* @type {CanvasRenderingContext2D|WebGLRenderingContext|undefined}
* @api
*/
this.context = opt_context;