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OutputPass.js
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OutputPass.js
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import {
ColorManagement,
RawShaderMaterial,
UniformsUtils,
LinearToneMapping,
ReinhardToneMapping,
CineonToneMapping,
AgXToneMapping,
ACESFilmicToneMapping,
NeutralToneMapping,
SRGBTransfer
} from 'three';
import { Pass, FullScreenQuad } from './Pass.js';
import { OutputShader } from '../shaders/OutputShader.js';
class OutputPass extends Pass {
constructor() {
super();
//
const shader = OutputShader;
this.uniforms = UniformsUtils.clone( shader.uniforms );
this.material = new RawShaderMaterial( {
name: shader.name,
uniforms: this.uniforms,
vertexShader: shader.vertexShader,
fragmentShader: shader.fragmentShader
} );
this.fsQuad = new FullScreenQuad( this.material );
// internal cache
this._outputColorSpace = null;
this._toneMapping = null;
}
render( renderer, writeBuffer, readBuffer/*, deltaTime, maskActive */ ) {
this.uniforms[ 'tDiffuse' ].value = readBuffer.texture;
this.uniforms[ 'toneMappingExposure' ].value = renderer.toneMappingExposure;
// rebuild defines if required
if ( this._outputColorSpace !== renderer.outputColorSpace || this._toneMapping !== renderer.toneMapping ) {
this._outputColorSpace = renderer.outputColorSpace;
this._toneMapping = renderer.toneMapping;
this.material.defines = {};
if ( ColorManagement.getTransfer( this._outputColorSpace ) === SRGBTransfer ) this.material.defines.SRGB_TRANSFER = '';
if ( this._toneMapping === LinearToneMapping ) this.material.defines.LINEAR_TONE_MAPPING = '';
else if ( this._toneMapping === ReinhardToneMapping ) this.material.defines.REINHARD_TONE_MAPPING = '';
else if ( this._toneMapping === CineonToneMapping ) this.material.defines.CINEON_TONE_MAPPING = '';
else if ( this._toneMapping === ACESFilmicToneMapping ) this.material.defines.ACES_FILMIC_TONE_MAPPING = '';
else if ( this._toneMapping === AgXToneMapping ) this.material.defines.AGX_TONE_MAPPING = '';
else if ( this._toneMapping === NeutralToneMapping ) this.material.defines.NEUTRAL_TONE_MAPPING = '';
this.material.needsUpdate = true;
}
//
if ( this.renderToScreen === true ) {
renderer.setRenderTarget( null );
this.fsQuad.render( renderer );
} else {
renderer.setRenderTarget( writeBuffer );
if ( this.clear ) renderer.clear( renderer.autoClearColor, renderer.autoClearDepth, renderer.autoClearStencil );
this.fsQuad.render( renderer );
}
}
dispose() {
this.material.dispose();
this.fsQuad.dispose();
}
}
export { OutputPass };