61 lines
1.6 KiB
JavaScript
61 lines
1.6 KiB
JavaScript
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import Matrix4 from 'claygl/src/math/Matrix4';
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import Vector3 from 'claygl/src/math/Vector3';
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import Texture2D from 'claygl/src/Texture2D';
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import Texture from 'claygl/src/Texture';
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import Pass from 'claygl/src/compositor/Pass';
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import Shader from 'claygl/src/Shader';
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import FrameBuffer from 'claygl/src/FrameBuffer';
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function EdgePass(opt) {
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opt = opt || {};
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this._edgePass = new Pass({
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fragment: Shader.source('ecgl.edge')
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});
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this._edgePass.setUniform('normalTexture', opt.normalTexture);
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this._edgePass.setUniform('depthTexture', opt.depthTexture);
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this._targetTexture = new Texture2D({
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type: Texture.HALF_FLOAT
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});
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this._frameBuffer = new FrameBuffer();
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this._frameBuffer.attach(this._targetTexture);
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}
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EdgePass.prototype.update = function (renderer, camera, sourceTexture, frame) {
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var width = renderer.getWidth();
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var height = renderer.getHeight();
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var texture = this._targetTexture;
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texture.width = width;
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texture.height = height;
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var frameBuffer = this._frameBuffer;
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frameBuffer.bind(renderer);
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this._edgePass.setUniform('projectionInv', camera.invProjectionMatrix.array);
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this._edgePass.setUniform('textureSize', [width, height]);
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this._edgePass.setUniform('texture', sourceTexture);
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this._edgePass.render(renderer);
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frameBuffer.unbind(renderer);
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};
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EdgePass.prototype.getTargetTexture = function () {
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return this._targetTexture;
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};
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EdgePass.prototype.setParameter = function (name, val) {
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this._edgePass.setUniform(name, val);
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};
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EdgePass.prototype.dispose = function (renderer) {
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this._targetTexture.dispose(renderer);
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this._frameBuffer.dispose(renderer);
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};
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export default EdgePass;
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