{"record":{"id":"338d33a99ec612f7","repo":"stride3d/stride","slug":"element-size-must-be-greater-than-zero-for-structured","errorCode":null,"errorMessage":"Element size must be greater than zero for structured buffers","messagePattern":"Element size must be greater than zero for structured buffers","errorType":"exception","errorClass":"ArgumentException","httpStatus":null,"severity":"error","filePath":"sources/engine/Stride.Graphics/Direct3D11/Buffer.Direct3D11.cs","lineNumber":121,"sourceCode":"                    bufferDesc.BindFlags |= (uint) BindFlag.IndexBuffer;\n\n                if (bufferDescription.BufferFlags.HasFlag(BufferFlags.VertexBuffer))\n                    bufferDesc.BindFlags |= (uint) BindFlag.VertexBuffer;\n\n                if (bufferDescription.BufferFlags.HasFlag(BufferFlags.RenderTarget))\n                    bufferDesc.BindFlags |= (uint) BindFlag.RenderTarget;\n\n                if (bufferDescription.BufferFlags.HasFlag(BufferFlags.ShaderResource))\n                    bufferDesc.BindFlags |= (uint) BindFlag.ShaderResource;\n\n                if (bufferDescription.BufferFlags.HasFlag(BufferFlags.UnorderedAccess))\n                    bufferDesc.BindFlags |= (uint) BindFlag.UnorderedAccess;\n\n                if (bufferDescription.BufferFlags.HasFlag(BufferFlags.StructuredBuffer))\n                {\n                    bufferDesc.MiscFlags |= (uint) BufferFlags.StructuredBuffer;\n                    if (bufferDescription.StructureByteStride <= 0)\n                        throw new ArgumentException(\"Element size must be greater than zero for structured buffers\");\n                }\n\n                if (bufferDescription.BufferFlags.HasFlag(BufferFlags.RawBuffer))\n                    bufferDesc.MiscFlags |= (uint) ResourceMiscFlag.BufferAllowRawViews;\n\n                if (bufferDescription.BufferFlags.HasFlag(BufferFlags.ArgumentBuffer))\n                    bufferDesc.MiscFlags |= (uint) ResourceMiscFlag.DrawindirectArgs;\n\n                if (bufferDescription.BufferFlags.HasFlag(BufferFlags.StreamOutput))\n                    bufferDesc.BindFlags |= (uint) BindFlag.StreamOutput;\n\n                if (bufferDesc.Usage == Silk.NET.Direct3D11.Usage.Dynamic)\n                {\n                    bufferDesc.CPUAccessFlags = (uint) CpuAccessFlag.Write;\n                    if (bufferDesc.BindFlags == 0)\n                        bufferDesc.BindFlags = (uint) BindFlag.ConstantBuffer;\n                }\n","sourceCodeStart":103,"sourceCodeEnd":139,"githubUrl":"https://github.com/stride3d/stride/blob/96fad776d210c221682aac1ccdf4c79dc046fc38/sources/engine/Stride.Graphics/Direct3D11/Buffer.Direct3D11.cs#L103-L139","documentation":"A D3D11 structured buffer requires a nonzero element stride (StructureByteStride) so the hardware can index elements. When a Buffer is initialized with BufferFlags.StructuredBuffer and StructureByteStride <= 0, InitializeFromImpl throws ArgumentException because D3D11 cannot create the buffer descriptor without a valid stride.","triggerScenarios":"Calling Buffer.New / Buffer initialization with BufferFlags.StructuredBuffer set while leaving StructureByteStride at its default 0 or passing a negative value.","commonSituations":"Declaring only the StructuredBuffer flag in the buffer description without filling in the stride field; copying a raw-buffer (RawBuffer) description and adding the StructuredBuffer flag; forgetting that unlike raw buffers, structured buffers need explicit element size.","solutions":["Set StructureByteStride to the size of one element (e.g. sizeof(MyStruct) or Marshal.SizeOf<T>()) in the buffer description.","If you do not need typed element indexing, use BufferFlags.RawBuffer instead of StructuredBuffer.","Validate the description before creating the buffer to fail with a clearer message."],"exampleFix":"// before\nvar buffer = Buffer.New(device, byteCount * 4, BufferFlags.StructuredBuffer);\n// after\nvar buffer = Buffer.New(device, byteCount, BufferFlags.StructuredBuffer, structureByteStride: sizeof(float));","handlingStrategy":"validation","validationCode":"if (desc.BufferFlags.HasFlag(BufferFlags.StructuredBuffer) && desc.StructureByteStride <= 0)\n    throw new InvalidOperationException(\"Structured buffers require a positive StructureByteStride\");","typeGuard":"bool IsValidStructuredBuffer(BufferDescription d) => !d.BufferFlags.HasFlag(BufferFlags.StructuredBuffer) || d.StructureByteStride > 0;","tryCatchPattern":"try { buffer = Buffer.New(device, size, BufferFlags.StructuredBuffer); }\ncatch (ArgumentException ex) when (ex.Message.Contains(\"Element size\")) { /* fix stride and retry */ }","preventionTips":["Always set StructureByteStride when using StructuredBuffer flag","Prefer RawBuffer if element size is unknown","Wrap buffer creation in a factory that validates descriptions"],"tags":["direct3d11","buffer","compute-shader","graphics","argument"],"backgroundTag":"missing-required-argument","analyzedSha":"96fad776d210c221682aac1ccdf4c79dc046fc38","analyzedAt":"2026-09-14T02:59:31.279Z","contentChangedAt":"2026-09-14T02:59:31.279Z","schemaVersion":2},"datasetVersion":"2026-09-15T23:17:13.987Z"}