{"record":{"id":"79492a085f4fe021","repo":"stride3d/stride","slug":"the-specified-semantic-name-is-too-long-usually-it-should","errorCode":null,"errorMessage":"The specified semantic name is too long. Usually it should not be longer than {MAX_SEMANTIC_NAME_LENGTH} bytes.","messagePattern":"The specified semantic name is too long\\. Usually it should not be longer than (.+?) bytes\\.","errorType":"exception","errorClass":"ArgumentException","httpStatus":null,"severity":"error","filePath":"sources/engine/Stride.Graphics/Direct3D11/PipelineState.Direct3D11.cs","lineNumber":840,"sourceCode":"                            releaseValue?.Invoke(valueComPtr);\n                        }\n\n                    reverse.Clear();\n                    storage.Clear();\n                    referenceCount.Clear();\n                }\n            }\n        }\n\n        #endregion\n\n        #region Throw helpers\n\n        [DoesNotReturn]\n        [MethodImpl(MethodImplOptions.NoInlining)]\n        private static void ThrowSemanticNameTooLong(string semanticName, [CallerArgumentExpression(nameof(semanticName))] string? paramName = null)\n        {\n            throw new ArgumentException($\"The specified semantic name is too long. Usually it should not be longer than {MAX_SEMANTIC_NAME_LENGTH} bytes.\", paramName);\n        }\n\n        #endregion\n    }\n}\n\n#endif\n","sourceCodeStart":822,"sourceCodeEnd":848,"githubUrl":"https://github.com/stride3d/stride/blob/96fad776d210c221682aac1ccdf4c79dc046fc38/sources/engine/Stride.Graphics/Direct3D11/PipelineState.Direct3D11.cs#L822-L848","documentation":"PipelineState validates that each input-element semantic name (HLSL semantic used in InputAssembler descriptions) fits within MAX_SEMANTIC_NAME_LENGTH bytes before converting it to the native D3D11 input layout description. A name longer than that limit triggers this ArgumentException with the offending parameter name attached.","triggerScenarios":"Describing a PipelineState input element with a semantic name exceeding the internal length limit, typically via InputElement/VertexElement declarations passed to a PipelineState builder on the D3D11 backend.","commonSituations":"Hand-written or procedurally generated semantic names that are unusually long; code that prefixes semantic names with long debug namespaces; migrating shaders with verbose semantic naming conventions from other engines.","solutions":["Shorten the semantic name in the input element description to a conventional HLSL semantic (POSITION, NORMAL, TEXCOORD0, etc.).","If the long name encodes data, move the extra information into a separate vertex attribute or constant buffer instead of the semantic.","Validate semantic name length in your pipeline description code before constructing the PipelineState."],"exampleFix":"// before\nnew VertexElement(\"VERY_LONG_ENGINE_SPECIFIC_SEMANTIC_NAME_FOR_COLOR\", PixelFormat.R8G8B8A8_UNorm)\n// after\nnew VertexElement(\"COLOR\", PixelFormat.R8G8B8A8_UNorm)","handlingStrategy":"validation","validationCode":"if (System.Text.Encoding.UTF8.GetByteCount(semanticName) > maxSemanticNameLength)\n    throw new ArgumentException($\"Semantic name '{semanticName}' exceeds {maxSemanticNameLength} bytes.\");","typeGuard":"static bool IsValidSemanticName(string s) => !string.IsNullOrEmpty(s) && System.Text.Encoding.UTF8.GetByteCount(s) <= 64;","tryCatchPattern":"try { pipelineState = BuildPipelineState(elements); }\ncatch (ArgumentException ex) when (ex.ParamName == \"semanticName\") { log.LogError($\"Shorten semantic name: {ex.Message}\"); }","preventionTips":["Use short standard HLSL semantics (POSITION, NORMAL, TEXCOORDn)","Never embed long identifiers or namespaces in semantic names","Validate all vertex element names in a unit test against the byte limit"],"tags":["direct3d11","pipeline-state","semantic-name","argument"],"backgroundTag":"invalid-argument-value","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"}