{"ast":null,"code":"import { InjectStartingAndEndingCode } from \"../../Misc/codeStringParsingTools.js\";\nconst varyingRegex = /(flat\\s)?\\s*varying\\s*.*/;\n/** @internal */\nexport class NativeShaderProcessor {\n  constructor() {\n    this.shaderLanguage = 0 /* ShaderLanguage.GLSL */;\n  }\n  initializeShaders(processingContext) {\n    this._nativeProcessingContext = processingContext;\n    if (this._nativeProcessingContext) {\n      this._nativeProcessingContext.remappedAttributeNames = {};\n      this._nativeProcessingContext.injectInVertexMain = \"\";\n    }\n  }\n  attributeProcessor(attribute) {\n    if (!this._nativeProcessingContext) {\n      return attribute.replace(\"attribute\", \"in\");\n    }\n    const attribRegex = /\\s*(?:attribute|in)\\s+(\\S+)\\s+(\\S+)\\s*;/gm;\n    const match = attribRegex.exec(attribute);\n    if (match !== null) {\n      const attributeType = match[1];\n      const name = match[2];\n      const numComponents = this._nativeProcessingContext.vertexBufferKindToNumberOfComponents[name];\n      if (numComponents !== undefined) {\n        // Special case for an int/ivecX vertex buffer that is used as a float/vecX attribute in the shader.\n        const newType = numComponents < 0 ? numComponents === -1 ? \"int\" : \"ivec\" + -numComponents : numComponents === 1 ? \"uint\" : \"uvec\" + numComponents;\n        const newName = `_int_${name}_`;\n        attribute = attribute.replace(match[0], `in ${newType} ${newName}; ${attributeType} ${name};`);\n        this._nativeProcessingContext.injectInVertexMain += `${name} = ${attributeType}(${newName});\\n`;\n        this._nativeProcessingContext.remappedAttributeNames[name] = newName;\n      } else {\n        attribute = attribute.replace(match[0], `in ${attributeType} ${name};`);\n      }\n    }\n    return attribute;\n  }\n  varyingCheck(varying, _isFragment) {\n    return varyingRegex.test(varying);\n  }\n  varyingProcessor(varying, isFragment) {\n    return varying.replace(\"varying\", isFragment ? \"in\" : \"out\");\n  }\n  postProcessor(code, defines, isFragment) {\n    const hasDrawBuffersExtension = code.search(/#extension.+GL_EXT_draw_buffers.+require/) !== -1;\n    // Remove extensions\n    const regex = /#extension.+(GL_OVR_multiview2|GL_OES_standard_derivatives|GL_EXT_shader_texture_lod|GL_EXT_frag_depth|GL_EXT_draw_buffers).+(enable|require)/g;\n    code = code.replace(regex, \"\");\n    // Replace instructions\n    code = code.replace(/texture2D\\s*\\(/g, \"texture(\");\n    if (isFragment) {\n      const hasOutput = code.search(/layout *\\(location *= *0\\) *out/g) !== -1;\n      code = code.replace(/texture2DLodEXT\\s*\\(/g, \"textureLod(\");\n      code = code.replace(/textureCubeLodEXT\\s*\\(/g, \"textureLod(\");\n      code = code.replace(/textureCube\\s*\\(/g, \"texture(\");\n      code = code.replace(/gl_FragDepthEXT/g, \"gl_FragDepth\");\n      code = code.replace(/gl_FragColor/g, \"glFragColor\");\n      code = code.replace(/gl_FragData/g, \"glFragData\");\n      code = code.replace(/void\\s+?main\\s*\\(/g, (hasDrawBuffersExtension || hasOutput ? \"\" : \"layout(location = 0) out vec4 glFragColor;\\n\") + \"void main(\");\n    } else {\n      var _this$_nativeProcessi;\n      if ((_this$_nativeProcessi = this._nativeProcessingContext) !== null && _this$_nativeProcessi !== void 0 && _this$_nativeProcessi.injectInVertexMain) {\n        code = InjectStartingAndEndingCode(code, \"void main\", this._nativeProcessingContext.injectInVertexMain);\n      }\n      const hasMultiviewExtension = defines.indexOf(\"#define MULTIVIEW\") !== -1;\n      if (hasMultiviewExtension) {\n        return \"#extension GL_OVR_multiview2 : require\\nlayout (num_views = 2) in;\\n\" + code;\n      }\n    }\n    return code;\n  }\n}","map":{"version":3,"names":["InjectStartingAndEndingCode","varyingRegex","NativeShaderProcessor","constructor","shaderLanguage","initializeShaders","processingContext","_nativeProcessingContext","remappedAttributeNames","injectInVertexMain","attributeProcessor","attribute","replace","attribRegex","match","exec","attributeType","name","numComponents","vertexBufferKindToNumberOfComponents","undefined","newType","newName","varyingCheck","varying","_isFragment","test","varyingProcessor","isFragment","postProcessor","code","defines","hasDrawBuffersExtension","search","regex","hasOutput","_this$_nativeProcessi","hasMultiviewExtension","indexOf"],"sources":["F:/workspace/202226701027/huinongbao-app/node_modules/@babylonjs/core/Engines/Native/nativeShaderProcessors.js"],"sourcesContent":["import { InjectStartingAndEndingCode } from \"../../Misc/codeStringParsingTools.js\";\nconst varyingRegex = /(flat\\s)?\\s*varying\\s*.*/;\n/** @internal */\nexport class NativeShaderProcessor {\n    constructor() {\n        this.shaderLanguage = 0 /* ShaderLanguage.GLSL */;\n    }\n    initializeShaders(processingContext) {\n        this._nativeProcessingContext = processingContext;\n        if (this._nativeProcessingContext) {\n            this._nativeProcessingContext.remappedAttributeNames = {};\n            this._nativeProcessingContext.injectInVertexMain = \"\";\n        }\n    }\n    attributeProcessor(attribute) {\n        if (!this._nativeProcessingContext) {\n            return attribute.replace(\"attribute\", \"in\");\n        }\n        const attribRegex = /\\s*(?:attribute|in)\\s+(\\S+)\\s+(\\S+)\\s*;/gm;\n        const match = attribRegex.exec(attribute);\n        if (match !== null) {\n            const attributeType = match[1];\n            const name = match[2];\n            const numComponents = this._nativeProcessingContext.vertexBufferKindToNumberOfComponents[name];\n            if (numComponents !== undefined) {\n                // Special case for an int/ivecX vertex buffer that is used as a float/vecX attribute in the shader.\n                const newType = numComponents < 0 ? 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