{"record":{"id":"40fb5959215502bb","repo":"FyroxEngine/Fyrox","slug":"uniform-block-resource-name-is-empty-and-will-be","errorCode":null,"errorMessage":"Uniform block {resource_name} is empty and will be ignored!","messagePattern":"Uniform block (.+?) is empty and will be ignored!","errorType":"console","errorClass":null,"httpStatus":null,"severity":"warning","filePath":"fyrox-graphics-gl/src/program.rs","lineNumber":203,"sourceCode":"                    }\n                }\n            }\n        }\n\n        // Generate appropriate texture binding points and uniform blocks for the specified properties.\n\n        let mut texture_bindings = String::new();\n\n        for property in resources {\n            let resource_name = &property.name;\n            match property.kind {\n                ShaderResourceKind::Texture { kind, .. } => {\n                    let glsl_name = glsl_sampler_name(kind);\n                    texture_bindings += &format!(\"uniform {glsl_name} {resource_name};\\n\");\n                }\n                ShaderResourceKind::PropertyGroup(ref fields) => {\n                    if fields.is_empty() {\n                        Log::warn(format!(\n                            \"Uniform block {resource_name} is empty and will be ignored!\"\n                        ));\n                        continue;\n                    }\n                    let mut block = format!(\"struct T{resource_name}{{\\n\");\n                    for field in fields {\n                        let field_name = &field.name;\n                        match field.kind {\n                            ShaderPropertyKind::Float { .. } => {\n                                block += &format!(\"\\tfloat {field_name};\\n\");\n                            }\n                            ShaderPropertyKind::FloatArray { max_len, .. } => {\n                                block += &format!(\"\\tfloat {field_name}[{max_len}];\\n\");\n                            }\n                            ShaderPropertyKind::Int { .. } => {\n                                block += &format!(\"\\tint {field_name};\\n\");\n                            }\n                            ShaderPropertyKind::IntArray { max_len, .. } => {","sourceCodeStart":185,"sourceCodeEnd":221,"githubUrl":"https://github.com/FyroxEngine/Fyrox/blob/76c91aad8eca488ce527b1af707be8b3b24ad72d/fyrox-graphics-gl/src/program.rs#L185-L221","documentation":"In the GL backend, shader resource definitions of kind PropertyGroup are translated into GLSL uniform blocks. When the PropertyGroup has no fields, no meaningful uniform block can be emitted, so the shader compiler skips it and logs this warning instead of generating invalid GLSL.","triggerScenarios":"Declaring a ShaderResourceDefinition with ShaderResourceKind::PropertyGroup backed by an empty fields vec in a custom shader (e.g. via ShaderBuilder or a .shader file with an empty property group).","commonSituations":"Hand-written shaders where a property group was created but no properties were ever added; shader code generated or refactored so all fields were removed but the group definition was left behind.","solutions":["Add at least one property to the PropertyGroup in the shader definition","Remove the empty resource definition from the shader entirely","If the group is conditionally filled, guard its creation so empty groups are never registered"],"exampleFix":"// before\nShaderResourceDefinition { name: \"Uniforms\", kind: ShaderResourceKind::PropertyGroup(vec![]) }\n// after\nShaderResourceDefinition { name: \"Uniforms\", kind: ShaderResourceKind::PropertyGroup(vec![ShaderProperty::Color(\"Tint\".into())]) }","handlingStrategy":"validation","validationCode":"// before building the shader\nassert!(!fields.is_empty(), \"property group '{}' has no fields; it will be ignored\", name);","typeGuard":null,"tryCatchPattern":null,"preventionTips":["Always populate property groups with at least one property before registering them","Watch the engine log for 'is empty and will be ignored' during shader loading","Remove unused resource definitions during shader refactors"],"tags":["opengl","shader","uniform-block"],"backgroundTag":"empty-required-field","analyzedSha":"76c91aad8eca488ce527b1af707be8b3b24ad72d","analyzedAt":"2026-09-10T16:04:01.633Z","contentChangedAt":"2026-09-10T16:04:01.633Z","schemaVersion":2},"datasetVersion":"2026-09-16T09:17:16.951Z"}