62 lines
1.4 KiB
JavaScript
62 lines
1.4 KiB
JavaScript
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import framebuffer from '../framebuffer.js';
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import sampler2D from '../sampler2D.js';
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import {math, vector3, matrix4} from '../math.js';
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import samplerCube from '../samplerCube.js';
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import shader from '../shader.js';
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class highpassFilter {
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constructor( ) {
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}
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setViewport( viewport ){
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this.viewport = viewport;
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this.gl = viewport.gl;
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}
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prepare() {
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this.gl = this.engine.gl;
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this.width = this.viewport.width;
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this.height = this.viewport.height;
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this.targetSampler = new sampler2D();
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this.targetSampler.type = this.gl.FLOAT;
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this.framebuffer = new framebuffer();
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this.framebuffer.width = this.width;
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this.framebuffer.height = this.height;
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this.framebuffer.addSampler( this.targetSampler );
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this.framebuffer.create();
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this.shader = new shader();
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this.shader.createFromFile("shaders/highpass.shader");
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this.shader.setUniform("viewProjection", this.viewport.quad.viewProjection );
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this.shader.setUniform("screenSize", [this.width, this.height] );
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}
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render() {
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this.gl.bindFramebuffer(this.gl.FRAMEBUFFER, this.framebuffer.glFramebuffer);
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this.gl.bindFramebuffer(this.gl.FRAMEBUFFER, null);
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this.gl.clearColor( 0, 0, 0, 1 );
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this.gl.clear(this.gl.COLOR_BUFFER_BIT | this.gl.DEPTH_BUFFER_BIT);
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this.shader.update();
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this.viewport.quad.draw( this.shader, null );
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}
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}
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export {highpassFilter as default};
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