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

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

import { FullscreenPass } from "./FullscreenPass.js";
//#region src/lib/passes/BlitPass.ts
var FULLSCREEN_BLIT_SHADER = `
struct MotionGPUVertexOut {
	@builtin(position) position: vec4f,
	@location(0) uv: vec2f,
};

@group(0) @binding(0) var motiongpuBlitSampler: sampler;
@group(0) @binding(1) var motiongpuBlitTexture: texture_2d<f32>;

@vertex
fn motiongpuBlitVertex(@builtin(vertex_index) index: u32) -> MotionGPUVertexOut {
	var positions = array<vec2f, 3>(
		vec2f(-1.0, -3.0),
		vec2f(-1.0, 1.0),
		vec2f(3.0, 1.0)
	);

	let position = positions[index];
	var out: MotionGPUVertexOut;
	out.position = vec4f(position, 0.0, 1.0);
	out.uv = (position + vec2f(1.0, 1.0)) * 0.5;
	return out;
}

@fragment
fn motiongpuBlitFragment(in: MotionGPUVertexOut) -> @location(0) vec4f {
	return textureSample(motiongpuBlitTexture, motiongpuBlitSampler, in.uv);
}
`;
/**
* Fullscreen texture blit pass.
*/
var BlitPass = class extends FullscreenPass {
	getProgram() {
		return FULLSCREEN_BLIT_SHADER;
	}
	constructor(options = {}) {
		super(options);
	}
	getVertexEntryPoint() {
		return "motiongpuBlitVertex";
	}
	getFragmentEntryPoint() {
		return "motiongpuBlitFragment";
	}
};
//#endregion
export { BlitPass };

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