| 1 |
- {"ast":null,"code":"import * as WebGPUConstants from \"./webgpuConstants.js\";\n/** @internal */\nexport class WebGPUDrawContext {\n isDirty(materialContextUpdateId) {\n return this._isDirty || this._materialContextUpdateId !== materialContextUpdateId;\n }\n resetIsDirty(materialContextUpdateId) {\n this._isDirty = false;\n this._materialContextUpdateId = materialContextUpdateId;\n }\n get useInstancing() {\n return this._useInstancing;\n }\n set useInstancing(use) {\n if (this._useInstancing === use) {\n return;\n }\n if (!use) {\n if (this.indirectDrawBuffer) {\n this._bufferManager.releaseBuffer(this.indirectDrawBuffer);\n }\n this.indirectDrawBuffer = undefined;\n this._indirectDrawData = undefined;\n } else {\n this.indirectDrawBuffer = this._bufferManager.createRawBuffer(20, WebGPUConstants.BufferUsage.CopyDst | WebGPUConstants.BufferUsage.Indirect | WebGPUConstants.BufferUsage.Storage, undefined, \"IndirectDrawBuffer\");\n this._indirectDrawData = new Uint32Array(5);\n 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!this._indirectDrawData) {\n // The current buffer is already up to date so do nothing\n // Note that we only check for instanceCount and not indexOrVertexCount nor firstIndexOrVertex because those values\n // are supposed to not change during the lifetime of a draw context\n return;\n }\n this._currentInstanceCount = instanceCount;\n this._indirectDrawData[0] = indexOrVertexCount;\n this._indirectDrawData[1] = instanceCount;\n this._indirectDrawData[2] = firstIndexOrVertex;\n this._bufferManager.setRawData(this.indirectDrawBuffer, 0, this._indirectDrawData, 0, 20);\n }\n dispose() {\n if (this.indirectDrawBuffer) {\n this._bufferManager.releaseBuffer(this.indirectDrawBuffer);\n this.indirectDrawBuffer = undefined;\n this._indirectDrawData = undefined;\n }\n this.fastBundle = undefined;\n this.bindGroups = undefined;\n this.buffers = undefined;\n }\n}\nWebGPUDrawContext._Counter = 0;","map":{"version":3,"names":["WebGPUConstants","WebGPUDrawContext","isDirty","materialContextUpdateId","_isDirty","_materialContextUpdateId","resetIsDirty","useInstancing","_useInstancing","use","indirectDrawBuffer","_bufferManager","releaseBuffer","undefined","_indirectDrawData","createRawBuffer","BufferUsage","CopyDst","Indirect","Storage","Uint32Array","_currentInstanceCount","constructor","bufferManager","uniqueId","_Counter","reset","buffers","fastBundle","bindGroups","setBuffer","name","buffer","_this$buffers$name","setIndirectData","indexOrVertexCount","instanceCount","firstIndexOrVertex","setRawData","dispose"],"sources":["F:/workspace/202226701027/huinongbao-app/node_modules/@babylonjs/core/Engines/WebGPU/webgpuDrawContext.js"],"sourcesContent":["import * as WebGPUConstants from \"./webgpuConstants.js\";\n/** @internal */\nexport class WebGPUDrawContext {\n isDirty(materialContextUpdateId) {\n return this._isDirty || this._materialContextUpdateId !== materialContextUpdateId;\n }\n resetIsDirty(materialContextUpdateId) {\n this._isDirty = false;\n this._materialContextUpdateId = materialContextUpdateId;\n }\n get useInstancing() {\n return this._useInstancing;\n }\n set useInstancing(use) {\n if (this._useInstancing === use) {\n return;\n }\n if (!use) {\n if (this.indirectDrawBuffer) {\n this._bufferManager.releaseBuffer(this.indirectDrawBuffer);\n }\n this.indirectDrawBuffer = undefined;\n this._indirectDrawData = undefined;\n }\n else {\n this.indirectDrawBuffer = this._bufferManager.createRawBuffer(20, WebGPUConstants.BufferUsage.CopyDst | WebGPUConstants.BufferUsage.Indirect | WebGPUConstants.BufferUsage.Storage, undefined, \"IndirectDrawBuffer\");\n this._indirectDrawData = new Uint32Array(5);\n this._indirectDrawData[3] = 0;\n this._indirectDrawData[4] = 0;\n }\n this._useInstancing = use;\n this._currentInstanceCount = -1;\n }\n constructor(bufferManager) {\n this._bufferManager = bufferManager;\n this.uniqueId = WebGPUDrawContext._Counter++;\n this._useInstancing = false;\n this._currentInstanceCount = 0;\n this.reset();\n }\n reset() {\n this.buffers = {};\n this._isDirty = true;\n this._materialContextUpdateId = 0;\n this.fastBundle = undefined;\n this.bindGroups = undefined;\n }\n setBuffer(name, buffer) {\n this._isDirty || (this._isDirty = buffer?.uniqueId !== this.buffers[name]?.uniqueId);\n this.buffers[name] = buffer;\n }\n setIndirectData(indexOrVertexCount, instanceCount, firstIndexOrVertex) {\n if (instanceCount === this._currentInstanceCount || !this.indirectDrawBuffer || !this._indirectDrawData) {\n // The current buffer is already up to date so do nothing\n // Note that we only check for instanceCount and not indexOrVertexCount nor firstIndexOrVertex because those values\n // are supposed to not change during the lifetime of a draw context\n return;\n }\n this._currentInstanceCount = instanceCount;\n this._indirectDrawData[0] = indexOrVertexCount;\n this._indirectDrawData[1] = instanceCount;\n this._indirectDrawData[2] = firstIndexOrVertex;\n this._bufferManager.setRawData(this.indirectDrawBuffer, 0, this._indirectDrawData, 0, 20);\n }\n dispose() {\n if (this.indirectDrawBuffer) {\n this._bufferManager.releaseBuffer(this.indirectDrawBuffer);\n this.indirectDrawBuffer = undefined;\n this._indirectDrawData = undefined;\n }\n this.fastBundle = undefined;\n this.bindGroups = undefined;\n this.buffers = undefined;\n }\n}\nWebGPUDrawContext._Counter = 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