| 1 |
- {"ast":null,"code":"import { WebGPUShaderProcessingContext } from \"./webgpuShaderProcessingContext.js\";\nimport { Logger } from \"../../Misc/logger.js\";\nimport { WebGPUShaderProcessor } from \"./webgpuShaderProcessor.js\";\nimport { InjectStartingAndEndingCode } from \"../../Misc/codeStringParsingTools.js\";\n\n/** @internal */\nexport class WebGPUShaderProcessorGLSL extends WebGPUShaderProcessor {\n constructor() {\n super(...arguments);\n this._missingVaryings = [];\n this._textureArrayProcessing = [];\n this._vertexIsGLES3 = false;\n this._fragmentIsGLES3 = false;\n this.shaderLanguage = 0 /* ShaderLanguage.GLSL */;\n this.parseGLES3 = true;\n }\n _getArraySize(name, type, preProcessors) {\n let length = 0;\n const startArray = name.indexOf(\"[\");\n const endArray = name.indexOf(\"]\");\n if (startArray > 0 && endArray > 0) {\n const lengthInString = name.substring(startArray + 1, endArray);\n length = +lengthInString;\n if (isNaN(length)) {\n length = +preProcessors[lengthInString.trim()];\n }\n name = name.substring(0, startArray);\n }\n return [name, type, length];\n }\n initializeShaders(processingContext) {\n this._webgpuProcessingContext = processingContext;\n this._missingVaryings.length = 0;\n this._textureArrayProcessing.length = 0;\n this.attributeKeywordName = undefined;\n this.varyingVertexKeywordName = undefined;\n this.varyingFragmentKeywordName = undefined;\n }\n preProcessShaderCode(code, isFragment) {\n const ubDeclaration = `// Internals UBO\\nuniform ${WebGPUShaderProcessor.InternalsUBOName} {\\nfloat yFactor_;\\nfloat textureOutputHeight_;\\n};\\n`;\n const alreadyInjected = code.indexOf(\"// Internals UBO\") !== -1;\n if (isFragment) {\n this._fragmentIsGLES3 = code.indexOf(\"#version 3\") !== -1;\n if (this._fragmentIsGLES3) {\n this.varyingFragmentKeywordName = \"in\";\n }\n return alreadyInjected ? code : ubDeclaration + \"##INJECTCODE##\\n\" + code;\n }\n this._vertexIsGLES3 = code.indexOf(\"#version 3\") !== -1;\n if (this._vertexIsGLES3) {\n this.attributeKeywordName = \"in\";\n this.varyingVertexKeywordName = \"out\";\n }\n return alreadyInjected ? code : ubDeclaration + code;\n }\n varyingCheck(varying, isFragment) {\n const outRegex = /(flat\\s)?\\s*\\bout\\b/;\n const inRegex = /(flat\\s)?\\s*\\bin\\b/;\n const varyingRegex = /(flat\\s)?\\s*\\bvarying\\b/;\n const regex = isFragment && this._fragmentIsGLES3 ? inRegex : !isFragment && this._vertexIsGLES3 ? outRegex : varyingRegex;\n return regex.test(varying);\n }\n varyingProcessor(varying, isFragment, preProcessors) {\n this._preProcessors = preProcessors;\n const outRegex = /\\s*(flat)?\\s*out\\s+(?:(?:highp)?|(?:lowp)?)\\s*(\\S+)\\s+(\\S+)\\s*;/gm;\n const inRegex = /\\s*(flat)?\\s*in\\s+(?:(?:highp)?|(?:lowp)?)\\s*(\\S+)\\s+(\\S+)\\s*;/gm;\n const varyingRegex = /\\s*(flat)?\\s*varying\\s+(?:(?:highp)?|(?:lowp)?)\\s*(\\S+)\\s+(\\S+)\\s*;/gm;\n const regex = isFragment && this._fragmentIsGLES3 ? inRegex : !isFragment && this._vertexIsGLES3 ? outRegex : varyingRegex;\n const match = regex.exec(varying);\n if (match !== null) {\n var _match$;\n const interpolationQualifier = (_match$ = match[1]) !== null && _match$ !== void 0 ? _match$ : \"\";\n const varyingType = match[2];\n const name = match[3];\n let location;\n if (isFragment) {\n location = this._webgpuProcessingContext.availableVaryings[name];\n this._missingVaryings[location] = \"\";\n if (location === undefined) {\n Logger.Warn(`Invalid fragment shader: The varying named \"${name}\" is not declared in the vertex shader! This declaration will be ignored.`);\n }\n } else {\n location = this._webgpuProcessingContext.getVaryingNextLocation(varyingType, this._getArraySize(name, varyingType, preProcessors)[2]);\n this._webgpuProcessingContext.availableVaryings[name] = location;\n this._missingVaryings[location] = `layout(location = ${location}) ${interpolationQualifier} in ${varyingType} ${name};`;\n }\n varying = varying.replace(match[0], location === undefined ? \"\" : `layout(location = ${location}) ${interpolationQualifier} ${isFragment ? \"in\" : \"out\"} ${varyingType} ${name};`);\n }\n return varying;\n }\n attributeProcessor(attribute, preProcessors) {\n this._preProcessors = preProcessors;\n const inRegex = /\\s*in\\s+(\\S+)\\s+(\\S+)\\s*;/gm;\n const attribRegex = /\\s*attribute\\s+(\\S+)\\s+(\\S+)\\s*;/gm;\n const regex = this._vertexIsGLES3 ? inRegex : attribRegex;\n const match = regex.exec(attribute);\n if (match !== null) {\n const attributeType = match[1];\n const name = match[2];\n const location = this._webgpuProcessingContext.getAttributeNextLocation(attributeType, this._getArraySize(name, attributeType, preProcessors)[2]);\n this._webgpuProcessingContext.availableAttributes[name] = location;\n this._webgpuProcessingContext.orderedAttributes[location] = name;\n const numComponents = this._webgpuProcessingContext.vertexBufferKindToNumberOfComponents[name];\n if (numComponents !== undefined) {\n // Special case for an int/ivecX vertex buffer that is used as a float/vecX attribute in the shader.\n const newType = numComponents < 0 ? numComponents === -1 ? \"int\" : \"ivec\" + -numComponents : numComponents === 1 ? \"uint\" : \"uvec\" + numComponents;\n const newName = `_int_${name}_`;\n attribute = attribute.replace(match[0], `layout(location = ${location}) in ${newType} ${newName}; ${attributeType} ${name} = ${attributeType}(${newName});`);\n } else {\n attribute = attribute.replace(match[0], `layout(location = ${location}) in ${attributeType} ${name};`);\n }\n }\n return attribute;\n }\n uniformProcessor(uniform, isFragment, preProcessors) {\n this._preProcessors = preProcessors;\n const uniformRegex = /\\s*uniform\\s+(?:(?:highp)?|(?:lowp)?)\\s*(\\S+)\\s+(\\S+)\\s*;/gm;\n const match = uniformRegex.exec(uniform);\n if (match !== null) {\n let uniformType = match[1];\n let name = match[2];\n if (uniformType.indexOf(\"sampler\") === 0 || uniformType.indexOf(\"sampler\") === 1) {\n var _WebGPUShaderProcesso;\n let arraySize = 0; // 0 means the texture is not declared as an array\n [name, uniformType, arraySize] = this._getArraySize(name, uniformType, preProcessors);\n let textureInfo = this._webgpuProcessingContext.availableTextures[name];\n if (!textureInfo) {\n textureInfo = {\n autoBindSampler: true,\n isTextureArray: arraySize > 0,\n isStorageTexture: false,\n textures: [],\n sampleType: \"float\" /* WebGPUConstants.TextureSampleType.Float */\n };\n for (let i = 0; i < (arraySize || 1); ++i) {\n textureInfo.textures.push(this._webgpuProcessingContext.getNextFreeUBOBinding());\n }\n }\n const samplerType = (_WebGPUShaderProcesso = WebGPUShaderProcessor._SamplerTypeByWebGLSamplerType[uniformType]) !== null && _WebGPUShaderProcesso !== void 0 ? _WebGPUShaderProcesso : \"sampler\";\n const isComparisonSampler = !!WebGPUShaderProcessor._IsComparisonSamplerByWebGPUSamplerType[samplerType];\n const samplerBindingType = isComparisonSampler ? \"comparison\" /* WebGPUConstants.SamplerBindingType.Comparison */ : \"filtering\" /* WebGPUConstants.SamplerBindingType.Filtering */;\n const samplerName = name + `Sampler`;\n let samplerInfo = this._webgpuProcessingContext.availableSamplers[samplerName];\n if (!samplerInfo) {\n samplerInfo = {\n binding: this._webgpuProcessingContext.getNextFreeUBOBinding(),\n type: samplerBindingType\n };\n }\n const componentType = uniformType.charAt(0) === \"u\" ? \"u\" : uniformType.charAt(0) === \"i\" ? \"i\" : \"\";\n if (componentType) {\n uniformType = uniformType.substring(1);\n }\n const sampleType = isComparisonSampler ? \"depth\" /* WebGPUConstants.TextureSampleType.Depth */ : componentType === \"u\" ? \"uint\" /* WebGPUConstants.TextureSampleType.Uint */ : componentType === \"i\" ? \"sint\" /* WebGPUConstants.TextureSampleType.Sint */ : \"float\" /* WebGPUConstants.TextureSampleType.Float */;\n textureInfo.sampleType = sampleType;\n const isTextureArray = arraySize > 0;\n const samplerGroupIndex = samplerInfo.binding.groupIndex;\n const samplerBindingIndex = samplerInfo.binding.bindingIndex;\n const samplerFunction = WebGPUShaderProcessor._SamplerFunctionByWebGLSamplerType[uniformType];\n const textureType = WebGPUShaderProcessor._TextureTypeByWebGLSamplerType[uniformType];\n const textureDimension = WebGPUShaderProcessor._GpuTextureViewDimensionByWebGPUTextureType[textureType];\n // Manage textures and samplers.\n if (!isTextureArray) {\n arraySize = 1;\n uniform = `layout(set = ${samplerGroupIndex}, binding = ${samplerBindingIndex}) uniform ${samplerType} ${samplerName};\n layout(set = ${textureInfo.textures[0].groupIndex}, binding = ${textureInfo.textures[0].bindingIndex}) uniform ${componentType}${textureType} ${name}Texture;\n #define ${name} ${componentType}${samplerFunction}(${name}Texture, ${samplerName})`;\n } else {\n const layouts = [];\n layouts.push(`layout(set = ${samplerGroupIndex}, binding = ${samplerBindingIndex}) uniform ${componentType}${samplerType} ${samplerName};`);\n uniform = `\\n`;\n for (let i = 0; i < arraySize; ++i) {\n const textureSetIndex = textureInfo.textures[i].groupIndex;\n const textureBindingIndex = textureInfo.textures[i].bindingIndex;\n layouts.push(`layout(set = ${textureSetIndex}, binding = ${textureBindingIndex}) uniform ${textureType} ${name}Texture${i};`);\n uniform += `${i > 0 ? \"\\n\" : \"\"}#define ${name}${i} ${componentType}${samplerFunction}(${name}Texture${i}, ${samplerName})`;\n }\n uniform = layouts.join(\"\\n\") + uniform;\n this._textureArrayProcessing.push(name);\n }\n this._webgpuProcessingContext.availableTextures[name] = textureInfo;\n this._webgpuProcessingContext.availableSamplers[samplerName] = samplerInfo;\n this._addSamplerBindingDescription(samplerName, samplerInfo, !isFragment);\n for (let i = 0; i < arraySize; ++i) {\n this._addTextureBindingDescription(name, textureInfo, i, textureDimension, null, !isFragment);\n }\n } else {\n this._addUniformToLeftOverUBO(name, uniformType, preProcessors);\n uniform = \"\";\n }\n }\n return uniform;\n }\n uniformBufferProcessor(uniformBuffer, isFragment) {\n const uboRegex = /uniform\\s+(\\w+)/gm;\n const match = uboRegex.exec(uniformBuffer);\n if (match !== null) {\n const name = match[1];\n let uniformBufferInfo = this._webgpuProcessingContext.availableBuffers[name];\n if (!uniformBufferInfo) {\n const knownUBO = WebGPUShaderProcessingContext.KnownUBOs[name];\n let binding;\n if (knownUBO && knownUBO.binding.groupIndex !== -1) {\n binding = knownUBO.binding;\n } else {\n binding = this._webgpuProcessingContext.getNextFreeUBOBinding();\n }\n uniformBufferInfo = {\n binding\n };\n this._webgpuProcessingContext.availableBuffers[name] = uniformBufferInfo;\n }\n this._addBufferBindingDescription(name, uniformBufferInfo, \"uniform\" /* WebGPUConstants.BufferBindingType.Uniform */, !isFragment);\n uniformBuffer = uniformBuffer.replace(\"uniform\", `layout(set = ${uniformBufferInfo.binding.groupIndex}, binding = ${uniformBufferInfo.binding.bindingIndex}) uniform`);\n }\n return uniformBuffer;\n }\n postProcessor(code, defines, isFragment, _processingContext, _parameters) {\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 hasFragCoord = code.indexOf(\"gl_FragCoord\") >= 0;\n const fragCoordCode = `\n glFragCoord_ = gl_FragCoord;\n if (yFactor_ == 1.) {\n glFragCoord_.y = textureOutputHeight_ - glFragCoord_.y;\n }\n `;\n const injectCode = hasFragCoord ? \"vec4 glFragCoord_;\\n\" : \"\";\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(/gl_FragCoord/g, \"glFragCoord_\");\n if (!this._fragmentIsGLES3) {\n code = code.replace(/void\\s+?main\\s*\\(/g, (hasDrawBuffersExtension || hasOutput ? \"\" : \"layout(location = 0) out vec4 glFragColor;\\n\") + \"void main(\");\n } else {\n const match = /^\\s*out\\s+\\S+\\s+\\S+\\s*;/gm.exec(code);\n if (match !== null) {\n code = code.substring(0, match.index) + \"layout(location = 0) \" + code.substring(match.index);\n }\n }\n code = code.replace(/dFdy/g, \"(-yFactor_)*dFdy\"); // will also handle dFdyCoarse and dFdyFine\n code = code.replace(\"##INJECTCODE##\", injectCode);\n if (hasFragCoord) {\n code = InjectStartingAndEndingCode(code, \"void main\", fragCoordCode);\n }\n } else {\n code = code.replace(/gl_InstanceID/g, \"gl_InstanceIndex\");\n code = code.replace(/gl_VertexID/g, \"gl_VertexIndex\");\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 // Flip Y + convert z range from [-1,1] to [0,1]\n if (!isFragment) {\n const lastClosingCurly = code.lastIndexOf(\"}\");\n code = code.substring(0, lastClosingCurly);\n code += \"gl_Position.y *= yFactor_;\\n\";\n // isNDCHalfZRange is always true in WebGPU\n code += \"}\";\n }\n return code;\n }\n _applyTextureArrayProcessing(code, name) {\n // Replaces the occurrences of name[XX] by nameXX\n const regex = new RegExp(name + \"\\\\s*\\\\[(.+)?\\\\]\", \"gm\");\n let match = regex.exec(code);\n while (match !== null) {\n const index = match[1];\n let iindex = +index;\n if (this._preProcessors && isNaN(iindex)) {\n iindex = +this._preProcessors[index.trim()];\n }\n code = code.replace(match[0], name + iindex);\n match = regex.exec(code);\n }\n return code;\n }\n _generateLeftOverUBOCode(name, uniformBufferDescription) {\n let ubo = `layout(set = ${uniformBufferDescription.binding.groupIndex}, binding = ${uniformBufferDescription.binding.bindingIndex}) uniform ${name} {\\n `;\n for (const leftOverUniform of this._webgpuProcessingContext.leftOverUniforms) {\n if (leftOverUniform.length > 0) {\n ubo += ` ${leftOverUniform.type} ${leftOverUniform.name}[${leftOverUniform.length}];\\n`;\n } else {\n ubo += ` ${leftOverUniform.type} ${leftOverUniform.name};\\n`;\n }\n }\n ubo += \"};\\n\\n\";\n return ubo;\n }\n finalizeShaders(vertexCode, fragmentCode) {\n // make replacements for texture names in the texture array case\n for (let i = 0; i < this._textureArrayProcessing.length; ++i) {\n const name = this._textureArrayProcessing[i];\n vertexCode = this._applyTextureArrayProcessing(vertexCode, name);\n fragmentCode = this._applyTextureArrayProcessing(fragmentCode, name);\n }\n // inject the missing varying in the fragment shader\n for (let i = 0; i < this._missingVaryings.length; ++i) {\n const decl = this._missingVaryings[i];\n if (decl && decl.length > 0) {\n fragmentCode = decl + \"\\n\" + fragmentCode;\n }\n }\n // Builds the leftover UBOs.\n const leftOverUBO = this._buildLeftOverUBO();\n vertexCode = leftOverUBO + vertexCode;\n fragmentCode = leftOverUBO + fragmentCode;\n this._collectBindingNames();\n this._preCreateBindGroupEntries();\n this._preProcessors = null;\n this._webgpuProcessingContext.vertexBufferKindToNumberOfComponents = {};\n return {\n vertexCode,\n fragmentCode\n };\n }\n}","map":{"version":3,"names":["WebGPUShaderProcessingContext","Logger","WebGPUShaderProcessor","InjectStartingAndEndingCode","WebGPUShaderProcessorGLSL","constructor","arguments","_missingVaryings","_textureArrayProcessing","_vertexIsGLES3","_fragmentIsGLES3","shaderLanguage","parseGLES3","_getArraySize","name","type","preProcessors","length","startArray","indexOf","endArray","lengthInString","substring","isNaN","trim","initializeShaders","processingContext","_webgpuProcessingContext","attributeKeywordName","undefined","varyingVertexKeywordName","varyingFragmentKeywordName","preProcessShaderCode","code","isFragment","ubDeclaration","InternalsUBOName","alreadyInjected","varyingCheck","varying","outRegex","inRegex","varyingRegex","regex","test","varyingProcessor","_preProcessors","match","exec","_match$","interpolationQualifier","varyingType","location","availableVaryings","Warn","getVaryingNextLocation","replace","attributeProcessor","attribute","attribRegex","attributeType","getAttributeNextLocation","availableAttributes","orderedAttributes","numComponents","vertexBufferKindToNumberOfComponents","newType","newName","uniformProcessor","uniform","uniformRegex","uniformType","_WebGPUShaderProcesso","arraySize","textureInfo","availableTextures","autoBindSampler","isTextureArray","isStorageTexture","textures","sampleType","i","push","getNextFreeUBOBinding","samplerType","_SamplerTypeByWebGLSamplerType","isComparisonSampler","_IsComparisonSamplerByWebGPUSamplerType","samplerBindingType","samplerName","samplerInfo","availableSamplers","binding","componentType","charAt","samplerGroupIndex","groupIndex","samplerBindingIndex","bindingIndex","samplerFunction","_SamplerFunctionByWebGLSamplerType","textureType","_TextureTypeByWebGLSamplerType","textureDimension","_GpuTextureViewDimensionByWebGPUTextureType","layouts","textureSetIndex","textureBindingIndex","join","_addSamplerBindingDescription","_addTextureBindingDescription","_addUniformToLeftOverUBO","uniformBufferProcessor","uniformBuffer","uboRegex","uniformBufferInfo","availableBuffers","knownUBO","KnownUBOs","_addBufferBindingDescription","postProcessor","defines","_processingContext","_parameters","hasDrawBuffersExtension","search","hasFragCoord","fragCoordCode","injectCode","hasOutput","index","hasMultiviewExtension","lastClosingCurly","lastIndexOf","_applyTextureArrayProcessing","RegExp","iindex","_generateLeftOverUBOCode","uniformBufferDescription","ubo","leftOverUniform","leftOverUniforms","finalizeShaders","vertexCode","fragmentCode","decl","leftOverUBO","_buildLeftOverUBO","_collectBindingNames","_preCreateBindGroupEntries"],"sources":["F:/workspace/202226701027/huinongbao-app/node_modules/@babylonjs/core/Engines/WebGPU/webgpuShaderProcessorsGLSL.js"],"sourcesContent":["import { WebGPUShaderProcessingContext } from \"./webgpuShaderProcessingContext.js\";\nimport { Logger } from \"../../Misc/logger.js\";\nimport { WebGPUShaderProcessor } from \"./webgpuShaderProcessor.js\";\nimport { InjectStartingAndEndingCode } from \"../../Misc/codeStringParsingTools.js\";\n\n/** @internal */\nexport class WebGPUShaderProcessorGLSL extends WebGPUShaderProcessor {\n constructor() {\n super(...arguments);\n this._missingVaryings = [];\n this._textureArrayProcessing = [];\n this._vertexIsGLES3 = false;\n this._fragmentIsGLES3 = false;\n this.shaderLanguage = 0 /* ShaderLanguage.GLSL */;\n this.parseGLES3 = true;\n }\n _getArraySize(name, type, preProcessors) {\n let length = 0;\n const startArray = name.indexOf(\"[\");\n const endArray = name.indexOf(\"]\");\n if (startArray > 0 && endArray > 0) {\n const lengthInString = name.substring(startArray + 1, endArray);\n length = +lengthInString;\n if (isNaN(length)) {\n length = +preProcessors[lengthInString.trim()];\n }\n name = name.substring(0, startArray);\n }\n return [name, type, length];\n }\n initializeShaders(processingContext) {\n this._webgpuProcessingContext = processingContext;\n this._missingVaryings.length = 0;\n this._textureArrayProcessing.length = 0;\n this.attributeKeywordName = undefined;\n this.varyingVertexKeywordName = undefined;\n this.varyingFragmentKeywordName = undefined;\n }\n preProcessShaderCode(code, isFragment) {\n const ubDeclaration = `// Internals UBO\\nuniform ${WebGPUShaderProcessor.InternalsUBOName} {\\nfloat yFactor_;\\nfloat textureOutputHeight_;\\n};\\n`;\n const alreadyInjected = code.indexOf(\"// Internals UBO\") !== -1;\n if (isFragment) {\n this._fragmentIsGLES3 = code.indexOf(\"#version 3\") !== -1;\n if (this._fragmentIsGLES3) {\n this.varyingFragmentKeywordName = \"in\";\n }\n return alreadyInjected ? code : ubDeclaration + \"##INJECTCODE##\\n\" + code;\n }\n this._vertexIsGLES3 = code.indexOf(\"#version 3\") !== -1;\n if (this._vertexIsGLES3) {\n this.attributeKeywordName = \"in\";\n this.varyingVertexKeywordName = \"out\";\n }\n return alreadyInjected ? code : ubDeclaration + code;\n }\n varyingCheck(varying, isFragment) {\n const outRegex = /(flat\\s)?\\s*\\bout\\b/;\n const inRegex = /(flat\\s)?\\s*\\bin\\b/;\n const varyingRegex = /(flat\\s)?\\s*\\bvarying\\b/;\n const regex = isFragment && this._fragmentIsGLES3 ? inRegex : !isFragment && this._vertexIsGLES3 ? outRegex : varyingRegex;\n return regex.test(varying);\n }\n varyingProcessor(varying, isFragment, preProcessors) {\n this._preProcessors = preProcessors;\n const outRegex = /\\s*(flat)?\\s*out\\s+(?:(?:highp)?|(?:lowp)?)\\s*(\\S+)\\s+(\\S+)\\s*;/gm;\n const inRegex = /\\s*(flat)?\\s*in\\s+(?:(?:highp)?|(?:lowp)?)\\s*(\\S+)\\s+(\\S+)\\s*;/gm;\n const varyingRegex = /\\s*(flat)?\\s*varying\\s+(?:(?:highp)?|(?:lowp)?)\\s*(\\S+)\\s+(\\S+)\\s*;/gm;\n const regex = isFragment && this._fragmentIsGLES3 ? inRegex : !isFragment && this._vertexIsGLES3 ? outRegex : varyingRegex;\n const match = regex.exec(varying);\n if (match !== null) {\n const interpolationQualifier = match[1] ?? \"\";\n const varyingType = match[2];\n const name = match[3];\n let location;\n if (isFragment) {\n location = this._webgpuProcessingContext.availableVaryings[name];\n this._missingVaryings[location] = \"\";\n if (location === undefined) {\n Logger.Warn(`Invalid fragment shader: The varying named \"${name}\" is not declared in the vertex shader! This declaration will be ignored.`);\n }\n }\n else {\n location = this._webgpuProcessingContext.getVaryingNextLocation(varyingType, this._getArraySize(name, varyingType, preProcessors)[2]);\n this._webgpuProcessingContext.availableVaryings[name] = location;\n this._missingVaryings[location] = `layout(location = ${location}) ${interpolationQualifier} in ${varyingType} ${name};`;\n }\n varying = varying.replace(match[0], location === undefined ? \"\" : `layout(location = ${location}) ${interpolationQualifier} ${isFragment ? \"in\" : \"out\"} ${varyingType} ${name};`);\n }\n return varying;\n }\n attributeProcessor(attribute, preProcessors) {\n this._preProcessors = preProcessors;\n const inRegex = /\\s*in\\s+(\\S+)\\s+(\\S+)\\s*;/gm;\n const attribRegex = /\\s*attribute\\s+(\\S+)\\s+(\\S+)\\s*;/gm;\n const regex = this._vertexIsGLES3 ? inRegex : attribRegex;\n const match = regex.exec(attribute);\n if (match !== null) {\n const attributeType = match[1];\n const name = match[2];\n const location = this._webgpuProcessingContext.getAttributeNextLocation(attributeType, this._getArraySize(name, attributeType, preProcessors)[2]);\n this._webgpuProcessingContext.availableAttributes[name] = location;\n this._webgpuProcessingContext.orderedAttributes[location] = name;\n const numComponents = this._webgpuProcessingContext.vertexBufferKindToNumberOfComponents[name];\n if (numComponents !== undefined) {\n // Special case for an int/ivecX vertex buffer that is used as a float/vecX attribute in the shader.\n const newType = numComponents < 0 ? (numComponents === -1 ? \"int\" : \"ivec\" + -numComponents) : numComponents === 1 ? \"uint\" : \"uvec\" + numComponents;\n const newName = `_int_${name}_`;\n attribute = attribute.replace(match[0], `layout(location = ${location}) in ${newType} ${newName}; ${attributeType} ${name} = ${attributeType}(${newName});`);\n }\n else {\n attribute = attribute.replace(match[0], `layout(location = ${location}) in ${attributeType} ${name};`);\n }\n }\n return attribute;\n }\n uniformProcessor(uniform, isFragment, preProcessors) {\n this._preProcessors = preProcessors;\n const uniformRegex = /\\s*uniform\\s+(?:(?:highp)?|(?:lowp)?)\\s*(\\S+)\\s+(\\S+)\\s*;/gm;\n const match = uniformRegex.exec(uniform);\n if (match !== null) {\n let uniformType = match[1];\n let name = match[2];\n if (uniformType.indexOf(\"sampler\") === 0 || uniformType.indexOf(\"sampler\") === 1) {\n let arraySize = 0; // 0 means the texture is not declared as an array\n [name, uniformType, arraySize] = this._getArraySize(name, uniformType, preProcessors);\n let textureInfo = this._webgpuProcessingContext.availableTextures[name];\n if (!textureInfo) {\n textureInfo = {\n autoBindSampler: true,\n isTextureArray: arraySize > 0,\n isStorageTexture: false,\n textures: [],\n sampleType: \"float\" /* WebGPUConstants.TextureSampleType.Float */,\n };\n for (let i = 0; i < (arraySize || 1); ++i) {\n textureInfo.textures.push(this._webgpuProcessingContext.getNextFreeUBOBinding());\n }\n }\n const samplerType = WebGPUShaderProcessor._SamplerTypeByWebGLSamplerType[uniformType] ?? \"sampler\";\n const isComparisonSampler = !!WebGPUShaderProcessor._IsComparisonSamplerByWebGPUSamplerType[samplerType];\n const samplerBindingType = isComparisonSampler ? \"comparison\" /* WebGPUConstants.SamplerBindingType.Comparison */ : \"filtering\" /* WebGPUConstants.SamplerBindingType.Filtering */;\n const samplerName = name + `Sampler`;\n let samplerInfo = this._webgpuProcessingContext.availableSamplers[samplerName];\n if (!samplerInfo) {\n samplerInfo = {\n binding: this._webgpuProcessingContext.getNextFreeUBOBinding(),\n type: samplerBindingType,\n };\n }\n const componentType = uniformType.charAt(0) === \"u\" ? \"u\" : uniformType.charAt(0) === \"i\" ? \"i\" : \"\";\n if (componentType) {\n uniformType = uniformType.substring(1);\n }\n const sampleType = isComparisonSampler\n ? \"depth\" /* WebGPUConstants.TextureSampleType.Depth */\n : componentType === \"u\"\n ? \"uint\" /* WebGPUConstants.TextureSampleType.Uint */\n : componentType === \"i\"\n ? \"sint\" /* WebGPUConstants.TextureSampleType.Sint */\n : \"float\" /* WebGPUConstants.TextureSampleType.Float */;\n textureInfo.sampleType = sampleType;\n const isTextureArray = arraySize > 0;\n const samplerGroupIndex = samplerInfo.binding.groupIndex;\n const samplerBindingIndex = samplerInfo.binding.bindingIndex;\n const samplerFunction = WebGPUShaderProcessor._SamplerFunctionByWebGLSamplerType[uniformType];\n const textureType = WebGPUShaderProcessor._TextureTypeByWebGLSamplerType[uniformType];\n const textureDimension = WebGPUShaderProcessor._GpuTextureViewDimensionByWebGPUTextureType[textureType];\n // Manage textures and samplers.\n if (!isTextureArray) {\n arraySize = 1;\n uniform = `layout(set = ${samplerGroupIndex}, binding = ${samplerBindingIndex}) uniform ${samplerType} ${samplerName};\r\n layout(set = ${textureInfo.textures[0].groupIndex}, binding = ${textureInfo.textures[0].bindingIndex}) uniform ${componentType}${textureType} ${name}Texture;\r\n #define ${name} ${componentType}${samplerFunction}(${name}Texture, ${samplerName})`;\n }\n else {\n const layouts = [];\n layouts.push(`layout(set = ${samplerGroupIndex}, binding = ${samplerBindingIndex}) uniform ${componentType}${samplerType} ${samplerName};`);\n uniform = `\\n`;\n for (let i = 0; i < arraySize; ++i) {\n const textureSetIndex = textureInfo.textures[i].groupIndex;\n const textureBindingIndex = textureInfo.textures[i].bindingIndex;\n layouts.push(`layout(set = ${textureSetIndex}, binding = ${textureBindingIndex}) uniform ${textureType} ${name}Texture${i};`);\n uniform += `${i > 0 ? \"\\n\" : \"\"}#define ${name}${i} ${componentType}${samplerFunction}(${name}Texture${i}, ${samplerName})`;\n }\n uniform = layouts.join(\"\\n\") + uniform;\n this._textureArrayProcessing.push(name);\n }\n this._webgpuProcessingContext.availableTextures[name] = textureInfo;\n this._webgpuProcessingContext.availableSamplers[samplerName] = samplerInfo;\n this._addSamplerBindingDescription(samplerName, samplerInfo, !isFragment);\n for (let i = 0; i < arraySize; ++i) {\n this._addTextureBindingDescription(name, textureInfo, i, textureDimension, null, !isFragment);\n }\n }\n else {\n this._addUniformToLeftOverUBO(name, uniformType, preProcessors);\n uniform = \"\";\n }\n }\n return uniform;\n }\n uniformBufferProcessor(uniformBuffer, isFragment) {\n const uboRegex = /uniform\\s+(\\w+)/gm;\n const match = uboRegex.exec(uniformBuffer);\n if 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\"gl_FragDepth\");\n code = code.replace(/gl_FragColor/g, \"glFragColor\");\n code = code.replace(/gl_FragData/g, \"glFragData\");\n code = code.replace(/gl_FragCoord/g, \"glFragCoord_\");\n if (!this._fragmentIsGLES3) {\n code = code.replace(/void\\s+?main\\s*\\(/g, (hasDrawBuffersExtension || hasOutput ? \"\" : \"layout(location = 0) out vec4 glFragColor;\\n\") + \"void main(\");\n }\n else {\n const match = /^\\s*out\\s+\\S+\\s+\\S+\\s*;/gm.exec(code);\n if (match !== null) {\n code = code.substring(0, match.index) + \"layout(location = 0) \" + code.substring(match.index);\n }\n }\n code = code.replace(/dFdy/g, \"(-yFactor_)*dFdy\"); // will also handle dFdyCoarse and dFdyFine\n code = code.replace(\"##INJECTCODE##\", injectCode);\n if (hasFragCoord) {\n code = InjectStartingAndEndingCode(code, \"void main\", fragCoordCode);\n }\n }\n else {\n code = code.replace(/gl_InstanceID/g, \"gl_InstanceIndex\");\n code = code.replace(/gl_VertexID/g, \"gl_VertexIndex\");\n const 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< this._missingVaryings.length; ++i) {\n const decl = this._missingVaryings[i];\n if (decl && decl.length > 0) {\n fragmentCode = decl + \"\\n\" + fragmentCode;\n }\n }\n // Builds the leftover UBOs.\n const leftOverUBO = this._buildLeftOverUBO();\n vertexCode = leftOverUBO + vertexCode;\n fragmentCode = leftOverUBO + fragmentCode;\n this._collectBindingNames();\n this._preCreateBindGroupEntries();\n this._preProcessors = null;\n this._webgpuProcessingContext.vertexBufferKindToNumberOfComponents = {};\n return { vertexCode, fragmentCode };\n 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