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- THREE.ShaderPass = function ( shader, textureID ) {
- THREE.Pass.call( this );
- this.textureID = ( textureID !== undefined ) ? textureID : 'tDiffuse';
- if ( shader instanceof THREE.ShaderMaterial ) {
- this.uniforms = shader.uniforms;
- this.material = shader;
- } else if ( shader ) {
- this.uniforms = THREE.UniformsUtils.clone( shader.uniforms );
- this.material = new THREE.ShaderMaterial( {
- defines: Object.assign( {}, shader.defines ),
- uniforms: this.uniforms,
- vertexShader: shader.vertexShader,
- fragmentShader: shader.fragmentShader
- } );
- }
- this.fsQuad = new THREE.Pass.FullScreenQuad( this.material );
- };
- THREE.ShaderPass.prototype = Object.assign( Object.create( THREE.Pass.prototype ), {
- constructor: THREE.ShaderPass,
- render: function ( renderer, writeBuffer, readBuffer /*, deltaTime, maskActive */ ) {
- if ( this.uniforms[ this.textureID ] ) {
- this.uniforms[ this.textureID ].value = readBuffer.texture;
- }
- this.fsQuad.material = this.material;
- if ( this.renderToScreen ) {
- renderer.setRenderTarget( null );
- this.fsQuad.render( renderer );
- } else {
- renderer.setRenderTarget( writeBuffer );
- // TODO: Avoid using autoClear properties, see https://github.com/mrdoob/three.js/pull/15571#issuecomment-465669600
- if ( this.clear ) renderer.clear( renderer.autoClearColor, renderer.autoClearDepth, renderer.autoClearStencil );
- this.fsQuad.render( renderer );
- }
- }
- } );
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