{"record":{"id":"0fce15737ebceadd","repo":"FyroxEngine/Fyrox","slug":"unable-to-use-texture-binding-types-mismatch","errorCode":null,"errorMessage":"Unable to use texture binding {}, types mismatch! Expected {:?} got {:?}","messagePattern":"Unable to use texture binding (.+?), types mismatch! Expected (.+?) got (.+?)","errorType":"console","errorClass":null,"httpStatus":null,"severity":"warning","filePath":"fyrox-impl/src/renderer/bundle.rs","lineNumber":375,"sourceCode":"    texture_cache: &mut TextureCache,\n) -> ResourceBinding {\n    let fallback = renderer_resources.sampler_fallback(fallback);\n    let fallback = (fallback, &renderer_resources.linear_wrap_sampler);\n\n    let texture_sampler_pair =\n        if let Some(binding) = material.binding_ref(resource_definition.name.clone()) {\n            if let material::MaterialResourceBinding::Texture(binding) = binding {\n                binding\n                    .value\n                    .as_ref()\n                    .and_then(|t| {\n                        texture_cache\n                            .get(server, resource_manager, t)\n                            .map(|t| (&t.gpu_texture, &t.gpu_sampler))\n                    })\n                    .unwrap_or(fallback)\n            } else {\n                Log::err(format!(\n                    \"Unable to use texture binding {}, types mismatch! Expected \\\n                                {:?} got {:?}\",\n                    resource_definition.name, resource_definition.kind, binding\n                ));\n\n                fallback\n            }\n        } else {\n            fallback\n        };\n\n    ResourceBinding::texture(\n        texture_sampler_pair.0,\n        texture_sampler_pair.1,\n        resource_definition.binding,\n    )\n}\n","sourceCodeStart":357,"sourceCodeEnd":393,"githubUrl":"https://github.com/FyroxEngine/Fyrox/blob/76c91aad8eca488ce527b1af707be8b3b24ad72d/fyrox-impl/src/renderer/bundle.rs#L357-L393","documentation":"`make_texture_binding` fails when the `ResourceDefinition`'s expected texture kind does not match the actual binding's type in the shader resource binding map. The renderer logs the mismatch and falls back to a default texture, so the mesh renders with the fallback instead of the intended texture.","triggerScenarios":"During `render` or `render_to_frame_buffer`, a texture binding's `BindingType` differs from the resource definition's expected `TextureResourceKind` (e.g. binding a 2D texture where the sampler is declared as a cube map, or vice versa).","commonSituations":"Assigning a regular texture to a skybox/sampler2DArray/cube-map slot; shader changed a texture from 2D to cube map while materials still hold 2D textures; typos/misconfig in material texture assignments; loading old scenes against updated shaders.","solutions":["Check the logged binding name and convert the assigned texture to the expected kind (e.g. build a cube map from 6 faces for samplerCube slots)","Fix the shader's texture declaration to match the texture type actually assigned in materials","Reassign the correct texture resource in the material for that binding name","Resave affected scenes/materials after shader changes so texture kinds re-align"],"exampleFix":"// before: 2D texture assigned to a cube-map binding\nmaterial.set_texture(\"environment\", sky_2d_texture.clone());\n\n// after\nlet cube = TextureResource::from_resource(data.CubeTexture.clone());\nmaterial.set_texture(\"environment\", cube);","handlingStrategy":"validation","validationCode":"fn texture_kind_matches(tex: &TextureResource, expected: TextureKind) -> bool {\n    tex.data_ref().kind() == expected\n}\n// call before assigning: assert texture_kind_matches(&my_tex, TextureKind::Cube);","typeGuard":"fn as_cube_texture(r: &TextureResource) -> Option<&TextureResource> {\n    if r.data_ref().kind() == TextureKind::Cube { Some(r) } else { None }\n}","tryCatchPattern":"if texture_kind_matches(&assigned, TextureKind::Cube) {\n    material.set_texture(\"environment\", assigned);\n} else {\n    eprintln!(\"'environment' requires a cube-map texture\");\n}","preventionTips":["Verify TextureKind before assigning to any shader texture slot","Resave scenes/materials after changing a shader's texture dimensionality","Use correctly generated cube maps for skybox/environment slots","Add editor-time validation of texture bindings against the shader definition"],"tags":["renderer","textures","type-mismatch","shaders","fyrox"],"backgroundTag":"type-mismatch","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"}