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Core: WebGLRenderTarget extends RenderTarget (#26468)
* Core: Add RenderTarget * WebGPU: Update examples.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,122 @@ | ||
| import { EventDispatcher } from './EventDispatcher.js'; | ||
| import { Texture } from '../textures/Texture.js'; | ||
| import { LinearFilter, NoColorSpace, SRGBColorSpace, sRGBEncoding } from '../constants.js'; | ||
| import { Vector4 } from '../math/Vector4.js'; | ||
| import { Source } from '../textures/Source.js'; | ||
| import { warnOnce } from '../utils.js'; | ||
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| /* | ||
| In options, we can specify: | ||
| * Texture parameters for an auto-generated target texture | ||
| * depthBuffer/stencilBuffer: Booleans to indicate if we should generate these buffers | ||
| */ | ||
| class RenderTarget extends EventDispatcher { | ||
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| constructor( width = 1, height = 1, options = {} ) { | ||
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| super(); | ||
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| this.isRenderTarget = true; | ||
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| this.width = width; | ||
| this.height = height; | ||
| this.depth = 1; | ||
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| this.scissor = new Vector4( 0, 0, width, height ); | ||
| this.scissorTest = false; | ||
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| this.viewport = new Vector4( 0, 0, width, height ); | ||
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| const image = { width: width, height: height, depth: 1 }; | ||
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| if ( options.encoding !== undefined ) { | ||
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| // @deprecated, r152 | ||
| warnOnce( 'THREE.WebGLRenderTarget: option.encoding has been replaced by option.colorSpace.' ); | ||
| options.colorSpace = options.encoding === sRGBEncoding ? SRGBColorSpace : NoColorSpace; | ||
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| } | ||
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| this.texture = new Texture( image, options.mapping, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.colorSpace ); | ||
| this.texture.isRenderTargetTexture = true; | ||
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| this.texture.flipY = false; | ||
| this.texture.generateMipmaps = options.generateMipmaps !== undefined ? options.generateMipmaps : false; | ||
| this.texture.internalFormat = options.internalFormat !== undefined ? options.internalFormat : null; | ||
| this.texture.minFilter = options.minFilter !== undefined ? options.minFilter : LinearFilter; | ||
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| this.depthBuffer = options.depthBuffer !== undefined ? options.depthBuffer : true; | ||
| this.stencilBuffer = options.stencilBuffer !== undefined ? options.stencilBuffer : false; | ||
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| this.depthTexture = options.depthTexture !== undefined ? options.depthTexture : null; | ||
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| this.samples = options.samples !== undefined ? options.samples : 0; | ||
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| } | ||
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| setSize( width, height, depth = 1 ) { | ||
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| if ( this.width !== width || this.height !== height || this.depth !== depth ) { | ||
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| this.width = width; | ||
| this.height = height; | ||
| this.depth = depth; | ||
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| this.texture.image.width = width; | ||
| this.texture.image.height = height; | ||
| this.texture.image.depth = depth; | ||
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| this.dispose(); | ||
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| } | ||
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| this.viewport.set( 0, 0, width, height ); | ||
| this.scissor.set( 0, 0, width, height ); | ||
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| } | ||
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| clone() { | ||
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| return new this.constructor().copy( this ); | ||
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| } | ||
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| copy( source ) { | ||
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| this.width = source.width; | ||
| this.height = source.height; | ||
| this.depth = source.depth; | ||
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| this.scissor.copy( source.scissor ); | ||
| this.scissorTest = source.scissorTest; | ||
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| this.viewport.copy( source.viewport ); | ||
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| this.texture = source.texture.clone(); | ||
| this.texture.isRenderTargetTexture = true; | ||
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| // ensure image object is not shared, see #20328 | ||
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| const image = Object.assign( {}, source.texture.image ); | ||
| this.texture.source = new Source( image ); | ||
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| this.depthBuffer = source.depthBuffer; | ||
| this.stencilBuffer = source.stencilBuffer; | ||
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| if ( source.depthTexture !== null ) this.depthTexture = source.depthTexture.clone(); | ||
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| this.samples = source.samples; | ||
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| return this; | ||
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| } | ||
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| dispose() { | ||
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| this.dispatchEvent( { type: 'dispose' } ); | ||
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| } | ||
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| } | ||
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| export { RenderTarget }; |
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