diff --git a/gpu/src/Buffer.zig b/gpu/src/Buffer.zig
index 5b131e74..a78a6a2d 100644
--- a/gpu/src/Buffer.zig
+++ b/gpu/src/Buffer.zig
@@ -11,8 +11,9 @@ pub const VTable = struct {
     reference: fn (ptr: *anyopaque) void,
     release: fn (ptr: *anyopaque) void,
     destroy: fn (ptr: *anyopaque) void,
-    // TODO:
+    // TODO: typed buffer pointer?
     // WGPU_EXPORT void const * wgpuBufferGetConstMappedRange(WGPUBuffer buffer, size_t offset, size_t size);
+    // TODO: typed buffer pointer?
     // WGPU_EXPORT void * wgpuBufferGetMappedRange(WGPUBuffer buffer, size_t offset, size_t size);
     setLabel: fn (ptr: *anyopaque, label: [:0]const u8) void,
     mapAsync: fn (
diff --git a/gpu/src/CommandEncoder.zig b/gpu/src/CommandEncoder.zig
index 25df96fe..c933931f 100644
--- a/gpu/src/CommandEncoder.zig
+++ b/gpu/src/CommandEncoder.zig
@@ -12,22 +12,34 @@ pub const VTable = struct {
     reference: fn (ptr: *anyopaque) void,
     release: fn (ptr: *anyopaque) void,
     // TODO:
+    // beginComputePass: fn (ptr: *anyopaque, descriptor: *const ComputePassDescriptor) void,
     // WGPU_EXPORT WGPUComputePassEncoder wgpuCommandEncoderBeginComputePass(WGPUCommandEncoder commandEncoder, WGPUComputePassDescriptor const * descriptor);
     beginRenderPass: fn (ptr: *anyopaque, descriptor: *const RenderPassEncoder.Descriptor) RenderPassEncoder,
+    // clearBuffer: fn (ptr: *anyopaque, buffer: Buffer, offset: u64, size: u64) void,
     // WGPU_EXPORT void wgpuCommandEncoderClearBuffer(WGPUCommandEncoder commandEncoder, WGPUBuffer buffer, uint64_t offset, uint64_t size);
+    // copyBufferToBuffer: fn (ptr: *anyopaque, source: Buffer, source_offset: u64, destination: Buffer, destination_offset: u64, size: u64) void,
     // WGPU_EXPORT void wgpuCommandEncoderCopyBufferToBuffer(WGPUCommandEncoder commandEncoder, WGPUBuffer source, uint64_t sourceOffset, WGPUBuffer destination, uint64_t destinationOffset, uint64_t size);
+    // copyBufferToTexture: fn (ptr: *anyopaque, source: *const ImageCopyBuffer, destination: *const ImageCopyTexture, copy_size: Extent3D) void,
     // WGPU_EXPORT void wgpuCommandEncoderCopyBufferToTexture(WGPUCommandEncoder commandEncoder, WGPUImageCopyBuffer const * source, WGPUImageCopyTexture const * destination, WGPUExtent3D const * copySize);
+    // copyTextureToBuffer: fn (ptr: *anyopaque, source: *const ImageCopyTexture, destination: *const ImageCopyBuffer, copy_size: Extent3D) void,
     // WGPU_EXPORT void wgpuCommandEncoderCopyTextureToBuffer(WGPUCommandEncoder commandEncoder, WGPUImageCopyTexture const * source, WGPUImageCopyBuffer const * destination, WGPUExtent3D const * copySize);
+    // copyTextureToTexture: fn (ptr: *anyopaque, source: *const ImageCopyTexture, destination: *const ImageCopyTexture, copy_size: Extent3D) void,
     // WGPU_EXPORT void wgpuCommandEncoderCopyTextureToTexture(WGPUCommandEncoder commandEncoder, WGPUImageCopyTexture const * source, WGPUImageCopyTexture const * destination, WGPUExtent3D const * copySize);
-    // WGPU_EXPORT void wgpuCommandEncoderCopyTextureToTextureInternal(WGPUCommandEncoder commandEncoder, WGPUImageCopyTexture const * source, WGPUImageCopyTexture const * destination, WGPUExtent3D const * copySize);
     finish: fn (ptr: *anyopaque, descriptor: ?*const CommandBuffer.Descriptor) CommandBuffer,
+    // injectValidationError: fn (ptr: *anyopaque, message: [*:0]const u8) void,
     // WGPU_EXPORT void wgpuCommandEncoderInjectValidationError(WGPUCommandEncoder commandEncoder, char const * message);
+    // insertDebugMarker: fn (ptr: *anyopaque, marker_label: [*:0]const u8) void,
     // WGPU_EXPORT void wgpuCommandEncoderInsertDebugMarker(WGPUCommandEncoder commandEncoder, char const * markerLabel);
+    // popDebugGroup: fn (ptr: *anyopaque) void,
     // WGPU_EXPORT void wgpuCommandEncoderPopDebugGroup(WGPUCommandEncoder commandEncoder);
+    // pushDebugGroup: fn (ptr: *anyopaque, group_label: [*:0]const u8) void,
     // WGPU_EXPORT void wgpuCommandEncoderPushDebugGroup(WGPUCommandEncoder commandEncoder, char const * groupLabel);
+    // resolveQuerySet: fn (ptr: *anyopaque, query_set: QuerySet, first_query: u32, query_count: u32, destination: Buffer, destination_offset: u64) void,
     // WGPU_EXPORT void wgpuCommandEncoderResolveQuerySet(WGPUCommandEncoder commandEncoder, WGPUQuerySet querySet, uint32_t firstQuery, uint32_t queryCount, WGPUBuffer destination, uint64_t destinationOffset);
     setLabel: fn (ptr: *anyopaque, label: [:0]const u8) void,
+    // TODO: typed buffer pointer?
     // WGPU_EXPORT void wgpuCommandEncoderWriteBuffer(WGPUCommandEncoder commandEncoder, WGPUBuffer buffer, uint64_t bufferOffset, uint8_t const * data, uint64_t size);
+    // writeTimestamp: fn (ptr: *anyopaque, query_set: QuerySet, query_index: u32) void,
     // WGPU_EXPORT void wgpuCommandEncoderWriteTimestamp(WGPUCommandEncoder commandEncoder, WGPUQuerySet querySet, uint32_t queryIndex);
 };