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Avoid triggering reflow on canvasSize querying

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This commit is contained in:
schmelczerandras 2020-10-25 15:56:20 +01:00
commit 3fb6cc0411
1 changed files with 116 additions and 76 deletions
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18
src/graphics/rendering/renderer/context-aware-renderer.ts
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@ -1,4 +1,4 @@
import { vec2 } from 'gl-matrix';
import { ReadonlyVec2, vec2 } from 'gl-matrix';
import { Drawable } from '../../../drawables/drawable';
import { DrawableDescriptor } from '../../../drawables/drawable-descriptor';
import { RuntimeSettings } from '../settings/runtime-settings';
@ -14,8 +14,8 @@ export class ContextAwareRenderer implements Renderer {
private readyPromise!: Promise<void>;
private runtimeOverrides: Partial<RuntimeSettings> = {};
private ignoreWebGL2?: boolean;
private previousViewAreaTopLeft?: vec2;
private previousViewAreaSize?: vec2;
private previousViewAreaTopLeft?: ReadonlyVec2;
private previousViewAreaSize?: ReadonlyVec2;
private contextRestoredHandler = this.handleContextRestored.bind(this);
private contextLostHandler = this.handleContextLost.bind(this);
@ -102,11 +102,11 @@ export class ContextAwareRenderer implements Renderer {
}
}
public get canvasSize(): vec2 {
public get canvasSize(): ReadonlyVec2 {
return this.handle(() => this.renderer.canvasSize, vec2.create());
}
public get viewAreaSize(): vec2 {
public get viewAreaSize(): ReadonlyVec2 {
return this.handle(() => this.renderer.viewAreaSize, vec2.create());
}
@ -114,7 +114,7 @@ export class ContextAwareRenderer implements Renderer {
return this.handle(() => this.renderer.insights, null);
}
public setViewArea(topLeft: vec2, size: vec2): void {
public setViewArea(topLeft: ReadonlyVec2, size: ReadonlyVec2): void {
this.previousViewAreaTopLeft = topLeft;
this.previousViewAreaSize = size;
return this.handle(() => this.renderer.setViewArea(topLeft, size), undefined);
@ -133,14 +133,14 @@ export class ContextAwareRenderer implements Renderer {
return this.handle(() => this.renderer.addDrawable(drawable), undefined);
}
public displayToWorldCoordinates(displayCoordinates: vec2): vec2 {
public displayToWorldCoordinates(displayCoordinates: ReadonlyVec2): vec2 {
return this.handle(
() => this.renderer.displayToWorldCoordinates(displayCoordinates),
vec2.create()
);
}
public worldToDisplayCoordinates(worldCoordinates: vec2): vec2 {
public worldToDisplayCoordinates(worldCoordinates: ReadonlyVec2): vec2 {
return this.handle(
() => this.renderer.worldToDisplayCoordinates(worldCoordinates),
vec2.create()
@ -159,9 +159,7 @@ export class ContextAwareRenderer implements Renderer {
);
this.canvas.removeEventListener('webglcontextlost', this.contextLostHandler, false);
this.isRendererReady = false;
this.handle(() => this.renderer.destroy(), undefined);
}
}