# LowLevelRenderContext Implementations ## Topics ### Instance Properties [`var device: any MTLDevice`](/documentation/RealityKit/LowLevelRenderContextStandalone/device) The Metal device that backs this render context. ### Instance Methods [`func makeArgumentTable(descriptor: LowLevelArgumentTable.Descriptor, buffers: [LowLevelBufferSlice], textures: [LowLevelTextureResource]) throws -> LowLevelArgumentTable`](/documentation/RealityKit/LowLevelRenderContextStandalone/makeArgumentTable(descriptor:buffers:textures:)) Creates an argument table that binds the provided buffer slices and textures. [`func makeBufferResource(descriptor: LowLevelBufferResource.Descriptor) throws -> LowLevelBufferResource`](/documentation/RealityKit/LowLevelRenderContextStandalone/makeBufferResource(descriptor:)) Creates a GPU-managed buffer resource from the given descriptor. [`func makeDefaultGeometryModifier() -> sending LowLevelMaterialResource.GeometryModifier`](/documentation/RealityKit/LowLevelRenderContextStandalone/makeDefaultGeometryModifier()) Returns a pass-through geometry modifier that performs no vertex transformation. [`func makeGeometryModifier(descriptor:)`](/documentation/RealityKit/LowLevelRenderContextStandalone/makeGeometryModifier(descriptor:)) Synchronous variant of [`makeGeometryModifier(descriptor:)`](/documentation/RealityKit/LowLevelRenderContextStandalone/makeGeometryModifier(descriptor:)). Blocks the current thread until compilation completes. [`func makeGeometryModifier(descriptor: LowLevelMaterialResource.GeometryModifier.Descriptor) async throws -> sending LowLevelMaterialResource.GeometryModifier`](/documentation/RealityKit/LowLevelRenderContextStandalone/makeGeometryModifier(descriptor:)-4p20q) Asynchronously creates a geometry modifier from a user-authored Metal function described by the given descriptor. [`func makeGeometryModifier(descriptor: LowLevelMaterialResource.GeometryModifier.Descriptor) throws -> sending LowLevelMaterialResource.GeometryModifier`](/documentation/RealityKit/LowLevelRenderContextStandalone/makeGeometryModifier(descriptor:)-6cl2f) Synchronous variant of [`makeGeometryModifier(descriptor:)`](/documentation/RealityKit/LowLevelRenderContextStandalone/makeGeometryModifier(descriptor:)-6cl2f). Blocks the current thread until compilation completes. [`func makeInstanceTransformResource(instanceCapacity: Int) throws -> LowLevelInstanceTransformResource`](/documentation/RealityKit/LowLevelRenderContextStandalone/makeInstanceTransformResource(instanceCapacity:)) Creates a transform buffer resource for GPU instancing. [`func makeMaterialResource(descriptor:)`](/documentation/RealityKit/LowLevelRenderContextStandalone/makeMaterialResource(descriptor:)) Synchronous variant of [`makeMaterialResource(descriptor:)`](/documentation/RealityKit/LowLevelRenderContextStandalone/makeMaterialResource(descriptor:)). Blocks the current thread until compilation completes. [`func makeMaterialResource(descriptor: LowLevelMaterialResource.Descriptor) throws -> sending LowLevelMaterialResource`](/documentation/RealityKit/LowLevelRenderContextStandalone/makeMaterialResource(descriptor:)-2qjge) Synchronous variant of [`makeMaterialResource(descriptor:)`](/documentation/RealityKit/LowLevelRenderContextStandalone/makeMaterialResource(descriptor:)-2qjge). Blocks the current thread until compilation completes. [`func makeMaterialResource(descriptor: LowLevelMaterialResource.Descriptor) async throws -> sending LowLevelMaterialResource`](/documentation/RealityKit/LowLevelRenderContextStandalone/makeMaterialResource(descriptor:)-8pruc) Asynchronously compiles a material resource from a geometry modifier, surface shader, and lighting function. [`func makeMeshInstance(meshPart: LowLevelMeshPart, pipeline: LowLevelRenderPipelineState, geometryArguments: LowLevelArgumentTable?, surfaceArguments: LowLevelArgumentTable?, lightingArguments: LowLevelArgumentTable?, transform: simd_float4x4, sortCategory: LowLevelMeshInstance.SortCategory) throws -> LowLevelMeshInstance`](/documentation/RealityKit/LowLevelRenderContextStandalone/makeMeshInstance(meshPart:pipeline:geometryArguments:surfaceArguments:lightingArguments:transform:sortCategory:)) Creates a drawable mesh instance pairing a mesh part with a compiled pipeline state and optional per-draw argument tables. [`func makeMeshInstanceArray(renderTargets: LowLevelRenderTarget.DescriptorSet, count: Int) throws -> LowLevelMeshInstanceArray`](/documentation/RealityKit/LowLevelRenderContextStandalone/makeMeshInstanceArray(renderTargets:count:)) Creates a fixed-capacity ordered collection of mesh instances for the given render targets. [`func makeMeshPart(resource: LowLevelMeshResource, indexOffset: Int, indexCount: Int, primitive: MTLPrimitiveType, windingOrder: MTLWinding, bounds: BoundingSphereBox) throws -> LowLevelMeshPart`](/documentation/RealityKit/LowLevelRenderContextStandalone/makeMeshPart(resource:indexOffset:indexCount:primitive:windingOrder:bounds:)) Creates a mesh part that selects a contiguous range of indices from a mesh resource. [`func makeMeshResource(descriptor: LowLevelMeshResource.Descriptor) throws -> LowLevelMeshResource`](/documentation/RealityKit/LowLevelRenderContextStandalone/makeMeshResource(descriptor:)) Creates a mesh resource from the given descriptor. [`func makeRenderPipelineState(descriptor:)`](/documentation/RealityKit/LowLevelRenderContextStandalone/makeRenderPipelineState(descriptor:)) Synchronous variant of [`makeRenderPipelineState(descriptor:)`](/documentation/RealityKit/LowLevelRenderContextStandalone/makeRenderPipelineState(descriptor:)). Blocks the current thread until compilation completes. [`func makeRenderPipelineState(descriptor: LowLevelRenderPipelineState.Descriptor) throws -> sending LowLevelRenderPipelineState`](/documentation/RealityKit/LowLevelRenderContextStandalone/makeRenderPipelineState(descriptor:)-550yp) Synchronous variant of [`makeRenderPipelineState(descriptor:)`](/documentation/RealityKit/LowLevelRenderContextStandalone/makeRenderPipelineState(descriptor:)-550yp). Blocks the current thread until compilation completes. [`func makeRenderPipelineState(descriptor: LowLevelRenderPipelineState.Descriptor) async throws -> sending LowLevelRenderPipelineState`](/documentation/RealityKit/LowLevelRenderContextStandalone/makeRenderPipelineState(descriptor:)-9x6v9) Asynchronously compiles a Metal render pipeline state from the given descriptor. [`func makeSimpleSurfaceShader(descriptor:)`](/documentation/RealityKit/LowLevelRenderContextStandalone/makeSimpleSurfaceShader(descriptor:)) Synchronous variant of [`makeSimpleSurfaceShader(descriptor:)`](/documentation/RealityKit/LowLevelRenderContextStandalone/makeSimpleSurfaceShader(descriptor:)). Blocks the current thread until compilation completes. [`func makeSimpleSurfaceShader(descriptor: LowLevelMaterialResource.SimpleSurfaceDescriptor) async throws -> sending LowLevelMaterialResource.SurfaceShader`](/documentation/RealityKit/LowLevelRenderContextStandalone/makeSimpleSurfaceShader(descriptor:)-3f0mt) Asynchronously creates a simple surface shader using a built-in tint color or texture implementation, as described by the given descriptor. [`func makeSimpleSurfaceShader(descriptor: LowLevelMaterialResource.SimpleSurfaceDescriptor) throws -> sending LowLevelMaterialResource.SurfaceShader`](/documentation/RealityKit/LowLevelRenderContextStandalone/makeSimpleSurfaceShader(descriptor:)-6filb) Synchronous variant of [`makeSimpleSurfaceShader(descriptor:)`](/documentation/RealityKit/LowLevelRenderContextStandalone/makeSimpleSurfaceShader(descriptor:)-6filb). Blocks the current thread until compilation completes. [`func makeSurfaceShader(descriptor:)`](/documentation/RealityKit/LowLevelRenderContextStandalone/makeSurfaceShader(descriptor:)) Synchronous variant of [`makeSurfaceShader(descriptor:)`](/documentation/RealityKit/LowLevelRenderContextStandalone/makeSurfaceShader(descriptor:)). Blocks the current thread until compilation completes. [`func makeSurfaceShader(descriptor: LowLevelMaterialResource.SurfaceShader.Descriptor) throws -> sending LowLevelMaterialResource.SurfaceShader`](/documentation/RealityKit/LowLevelRenderContextStandalone/makeSurfaceShader(descriptor:)-35raz) Synchronous variant of [`makeSurfaceShader(descriptor:)`](/documentation/RealityKit/LowLevelRenderContextStandalone/makeSurfaceShader(descriptor:)-35raz). Blocks the current thread until compilation completes. [`func makeSurfaceShader(descriptor: LowLevelMaterialResource.SurfaceShader.Descriptor) async throws -> sending LowLevelMaterialResource.SurfaceShader`](/documentation/RealityKit/LowLevelRenderContextStandalone/makeSurfaceShader(descriptor:)-9hqo9) Asynchronously creates a custom surface shader from a user-authored Metal function descriptor. [`func makeTextureResource(descriptor: LowLevelTextureResource.Descriptor) throws -> LowLevelTextureResource`](/documentation/RealityKit/LowLevelRenderContextStandalone/makeTextureResource(descriptor:)) Creates a texture resource from the given descriptor. [`func waitForCommandBuffer(any MTLCommandBuffer)`](/documentation/RealityKit/LowLevelRenderContextStandalone/waitForCommandBuffer(_:)) Adds a command buffer that the renderer should wait on before using resources for rendering. --- Copyright © 2026 Apple Inc. 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