@motion-core/motion-gpu/dist/passes/CopyPass.js

Framework-agnostic WebGPU runtime for fullscreen WGSL shaders with explicit Svelte, React, and Vue adapter entrypoints.

import { BlitPass } from "./BlitPass.js";
//#region src/lib/passes/CopyPass.ts
/**
* Texture copy pass with fullscreen-blit fallback.
*/
var CopyPass = class {
	enabled;
	needsSwap;
	input;
	output;
	clear;
	clearColor;
	preserve;
	fallbackBlit;
	constructor(options = {}) {
		this.enabled = options.enabled ?? true;
		this.needsSwap = options.needsSwap ?? true;
		this.input = options.input ?? "source";
		this.output = options.output ?? (this.needsSwap ? "target" : "source");
		this.clear = options.clear ?? false;
		this.clearColor = options.clearColor ?? [
			0,
			0,
			0,
			1
		];
		this.preserve = options.preserve ?? true;
		this.fallbackBlit = new BlitPass({
			enabled: true,
			needsSwap: false,
			input: this.input,
			output: this.output,
			...options.filter !== void 0 ? { filter: options.filter } : {}
		});
	}
	setSize(width, height) {
		this.fallbackBlit.setSize(width, height);
	}
	render(context) {
		const source = context.input;
		const target = context.output;
		if (context.clear === false && context.preserve === true && source.texture !== target.texture && source.texture !== context.canvas.texture && target.texture !== context.canvas.texture && source.width === target.width && source.height === target.height && source.format === target.format) {
			context.commandEncoder.copyTextureToTexture({ texture: source.texture }, { texture: target.texture }, {
				width: source.width,
				height: source.height,
				depthOrArrayLayers: 1
			});
			return;
		}
		this.fallbackBlit.render(context);
	}
	dispose() {
		this.fallbackBlit.dispose();
	}
};
//#endregion
export { CopyPass };

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