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- {"ast":null,"code":"import { Observable } from \"../../../Misc/observable.js\";\nimport { WebXRLayerWrapper } from \"../../webXRLayerWrapper.js\";\nimport { WebXRLayerRenderTargetTextureProvider } from \"../../webXRRenderTargetTextureProvider.js\";\n/**\n * Wraps xr composition layers.\n * @internal\n */\nexport class WebXRCompositionLayerWrapper extends WebXRLayerWrapper {\n constructor(getWidth, getHeight, layer, layerType, isMultiview, createRTTProvider, _originalInternalTexture = null) {\n super(getWidth, getHeight, layer, layerType, createRTTProvider);\n this.getWidth = getWidth;\n this.getHeight = getHeight;\n this.layer = layer;\n this.layerType = layerType;\n this.isMultiview = isMultiview;\n this.createRTTProvider = createRTTProvider;\n this._originalInternalTexture = _originalInternalTexture;\n }\n}\n/**\n * Provides render target textures and other important rendering information for a given XRCompositionLayer.\n * @internal\n */\nexport class WebXRCompositionLayerRenderTargetTextureProvider extends WebXRLayerRenderTargetTextureProvider {\n constructor(_xrSessionManager, _xrWebGLBinding, layerWrapper) {\n super(_xrSessionManager.scene, layerWrapper);\n this._xrSessionManager = _xrSessionManager;\n this._xrWebGLBinding = _xrWebGLBinding;\n this.layerWrapper = layerWrapper;\n this._lastSubImages = new Map();\n /**\n * Fires every time a new render target texture is created (either for eye, for view, or for the entire frame)\n */\n this.onRenderTargetTextureCreatedObservable = new Observable();\n this._compositionLayer = layerWrapper.layer;\n }\n _getRenderTargetForSubImage(subImage, eye = \"none\") {\n var _subImage$colorTextur, _subImage$colorTextur2;\n const lastSubImage = this._lastSubImages.get(eye);\n const eyeIndex = eye == \"right\" ? 1 : 0;\n const colorTextureWidth = (_subImage$colorTextur = subImage.colorTextureWidth) !== null && _subImage$colorTextur !== void 0 ? _subImage$colorTextur : subImage.textureWidth;\n const colorTextureHeight = (_subImage$colorTextur2 = subImage.colorTextureHeight) !== null && _subImage$colorTextur2 !== void 0 ? _subImage$colorTextur2 : subImage.textureHeight;\n if (!this._renderTargetTextures[eyeIndex] || (lastSubImage === null || lastSubImage === void 0 ? void 0 : lastSubImage.textureWidth) !== colorTextureWidth || (lastSubImage === null || lastSubImage === void 0 ? void 0 : lastSubImage.textureHeight) !== colorTextureHeight) {\n var _subImage$depthStenci, _subImage$depthStenci2;\n let depthStencilTexture;\n const depthStencilTextureWidth = (_subImage$depthStenci = subImage.depthStencilTextureWidth) !== null && _subImage$depthStenci !== void 0 ? _subImage$depthStenci : colorTextureWidth;\n const depthStencilTextureHeight = (_subImage$depthStenci2 = subImage.depthStencilTextureHeight) !== null && _subImage$depthStenci2 !== void 0 ? _subImage$depthStenci2 : colorTextureHeight;\n if (colorTextureWidth === depthStencilTextureWidth || colorTextureHeight === depthStencilTextureHeight) {\n depthStencilTexture = subImage.depthStencilTexture;\n }\n this._renderTargetTextures[eyeIndex] = this._createRenderTargetTexture(colorTextureWidth, colorTextureHeight, null, subImage.colorTexture, depthStencilTexture, this.layerWrapper.isMultiview);\n this._framebufferDimensions = {\n framebufferWidth: colorTextureWidth,\n framebufferHeight: colorTextureHeight\n };\n this.onRenderTargetTextureCreatedObservable.notifyObservers({\n texture: this._renderTargetTextures[eyeIndex],\n eye\n });\n }\n this._lastSubImages.set(eye, subImage);\n return this._renderTargetTextures[eyeIndex];\n }\n _getSubImageForEye(eye) {\n const currentFrame = this._xrSessionManager.currentFrame;\n if (currentFrame) {\n return this._xrWebGLBinding.getSubImage(this._compositionLayer, currentFrame, eye);\n }\n return null;\n }\n getRenderTargetTextureForEye(eye) {\n const subImage = this._getSubImageForEye(eye);\n if (subImage) {\n return this._getRenderTargetForSubImage(subImage, eye);\n }\n return null;\n }\n getRenderTargetTextureForView(view) {\n return this.getRenderTargetTextureForEye(view === null || view === void 0 ? void 0 : view.eye);\n }\n _setViewportForSubImage(viewport, subImage) {\n var _subImage$colorTextur3, _subImage$colorTextur4;\n const textureWidth = (_subImage$colorTextur3 = subImage.colorTextureWidth) !== null && _subImage$colorTextur3 !== void 0 ? _subImage$colorTextur3 : subImage.textureWidth;\n const textureHeight = (_subImage$colorTextur4 = subImage.colorTextureHeight) !== null && _subImage$colorTextur4 !== void 0 ? _subImage$colorTextur4 : subImage.textureHeight;\n const xrViewport = subImage.viewport;\n viewport.x = xrViewport.x / textureWidth;\n viewport.y = xrViewport.y / textureHeight;\n viewport.width = xrViewport.width / textureWidth;\n viewport.height = xrViewport.height / textureHeight;\n }\n trySetViewportForView(viewport, view) {\n const subImage = this._lastSubImages.get(view.eye) || this._getSubImageForEye(view.eye);\n if (subImage) {\n this._setViewportForSubImage(viewport, subImage);\n return true;\n }\n return false;\n }\n}","map":{"version":3,"names":["Observable","WebXRLayerWrapper","WebXRLayerRenderTargetTextureProvider","WebXRCompositionLayerWrapper","constructor","getWidth","getHeight","layer","layerType","isMultiview","createRTTProvider","_originalInternalTexture","WebXRCompositionLayerRenderTargetTextureProvider","_xrSessionManager","_xrWebGLBinding","layerWrapper","scene","_lastSubImages","Map","onRenderTargetTextureCreatedObservable","_compositionLayer","_getRenderTargetForSubImage","subImage","eye","_subImage$colorTextur","_subImage$colorTextur2","lastSubImage","get","eyeIndex","colorTextureWidth","textureWidth","colorTextureHeight","textureHeight","_renderTargetTextures","_subImage$depthStenci","_subImage$depthStenci2","depthStencilTexture","depthStencilTextureWidth","depthStencilTextureHeight","_createRenderTargetTexture","colorTexture","_framebufferDimensions","framebufferWidth","framebufferHeight","notifyObservers","texture","set","_getSubImageForEye","currentFrame","getSubImage","getRenderTargetTextureForEye","getRenderTargetTextureForView","view","_setViewportForSubImage","viewport","_subImage$colorTextur3","_subImage$colorTextur4","xrViewport","x","y","width","height","trySetViewportForView"],"sources":["F:/workspace/202226701027/huinongbao-app/node_modules/@babylonjs/core/XR/features/Layers/WebXRCompositionLayer.js"],"sourcesContent":["import { Observable } from \"../../../Misc/observable.js\";\nimport { WebXRLayerWrapper } from \"../../webXRLayerWrapper.js\";\nimport { WebXRLayerRenderTargetTextureProvider } from \"../../webXRRenderTargetTextureProvider.js\";\n/**\n * Wraps xr composition layers.\n * @internal\n */\nexport class WebXRCompositionLayerWrapper extends WebXRLayerWrapper {\n constructor(getWidth, getHeight, layer, layerType, isMultiview, createRTTProvider, _originalInternalTexture = null) {\n super(getWidth, getHeight, layer, layerType, createRTTProvider);\n this.getWidth = getWidth;\n this.getHeight = getHeight;\n this.layer = layer;\n this.layerType = layerType;\n this.isMultiview = isMultiview;\n this.createRTTProvider = createRTTProvider;\n this._originalInternalTexture = _originalInternalTexture;\n }\n}\n/**\n * Provides render target textures and other important rendering information for a given XRCompositionLayer.\n * @internal\n */\nexport class WebXRCompositionLayerRenderTargetTextureProvider extends WebXRLayerRenderTargetTextureProvider {\n constructor(_xrSessionManager, _xrWebGLBinding, layerWrapper) {\n super(_xrSessionManager.scene, layerWrapper);\n this._xrSessionManager = _xrSessionManager;\n this._xrWebGLBinding = _xrWebGLBinding;\n this.layerWrapper = layerWrapper;\n this._lastSubImages = new Map();\n /**\n * Fires every time a new render target texture is created (either for eye, for view, or for the entire frame)\n */\n this.onRenderTargetTextureCreatedObservable = new Observable();\n this._compositionLayer = layerWrapper.layer;\n }\n _getRenderTargetForSubImage(subImage, eye = \"none\") {\n const lastSubImage = this._lastSubImages.get(eye);\n const eyeIndex = eye == \"right\" ? 1 : 0;\n const colorTextureWidth = subImage.colorTextureWidth ?? subImage.textureWidth;\n const colorTextureHeight = subImage.colorTextureHeight ?? subImage.textureHeight;\n if (!this._renderTargetTextures[eyeIndex] || lastSubImage?.textureWidth !== colorTextureWidth || lastSubImage?.textureHeight !== colorTextureHeight) {\n let depthStencilTexture;\n const depthStencilTextureWidth = subImage.depthStencilTextureWidth ?? colorTextureWidth;\n const depthStencilTextureHeight = subImage.depthStencilTextureHeight ?? colorTextureHeight;\n if (colorTextureWidth === depthStencilTextureWidth || colorTextureHeight === depthStencilTextureHeight) {\n depthStencilTexture = subImage.depthStencilTexture;\n }\n this._renderTargetTextures[eyeIndex] = this._createRenderTargetTexture(colorTextureWidth, colorTextureHeight, null, subImage.colorTexture, depthStencilTexture, this.layerWrapper.isMultiview);\n this._framebufferDimensions = {\n framebufferWidth: colorTextureWidth,\n framebufferHeight: colorTextureHeight,\n };\n this.onRenderTargetTextureCreatedObservable.notifyObservers({ texture: this._renderTargetTextures[eyeIndex], eye });\n }\n this._lastSubImages.set(eye, subImage);\n return this._renderTargetTextures[eyeIndex];\n }\n _getSubImageForEye(eye) {\n const currentFrame = this._xrSessionManager.currentFrame;\n if (currentFrame) {\n return this._xrWebGLBinding.getSubImage(this._compositionLayer, currentFrame, eye);\n }\n return null;\n }\n getRenderTargetTextureForEye(eye) {\n const subImage = this._getSubImageForEye(eye);\n if (subImage) {\n return this._getRenderTargetForSubImage(subImage, eye);\n }\n return null;\n }\n getRenderTargetTextureForView(view) {\n return this.getRenderTargetTextureForEye(view?.eye);\n }\n _setViewportForSubImage(viewport, subImage) {\n const textureWidth = subImage.colorTextureWidth ?? 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