diff --git a/gpu/src/CommandEncoder.zig b/gpu/src/CommandEncoder.zig
index 7e094586..efb88238 100644
--- a/gpu/src/CommandEncoder.zig
+++ b/gpu/src/CommandEncoder.zig
@@ -31,8 +31,7 @@ pub const VTable = struct {
     pushDebugGroup: fn (ptr: *anyopaque, group_label: [*:0]const u8) void,
     resolveQuerySet: fn (ptr: *anyopaque, query_set: QuerySet, first_query: u32, query_count: u32, destination: Buffer, destination_offset: u64) void,
     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);
+    writeBuffer: fn (ptr: *anyopaque, buffer: Buffer, buffer_offset: u64, data: *const u8, size: u64) void,
     writeTimestamp: fn (ptr: *anyopaque, query_set: QuerySet, query_index: u32) void,
 };
 
@@ -129,6 +128,10 @@ pub inline fn setLabel(enc: CommandEncoder, label: [:0]const u8) void {
     enc.vtable.setLabel(enc.ptr, label);
 }
 
+pub inline fn writeBuffer(pass: RenderPassEncoder, buffer: Buffer, buffer_offset: u64, data: anytype) void {
+    pass.vtable.writeBuffer(pass.ptr, buffer, buffer_offset, @ptrCast(*const u8, &data[0]), @intCast(u64, data.len));
+}
+
 pub inline fn writeTimestamp(pass: RenderPassEncoder, query_set: QuerySet, query_index: u32) void {
     pass.vtable.writeTimestamp(pass.ptr, query_set, query_index);
 }
@@ -155,6 +158,7 @@ test {
     _ = pushDebugGroup;
     _ = resolveQuerySet;
     _ = setLabel;
+    _ = writeBuffer;
     _ = writeTimestamp;
     _ = Descriptor;
 }
diff --git a/gpu/src/NativeInstance.zig b/gpu/src/NativeInstance.zig
index 0e0aa89b..635127b3 100644
--- a/gpu/src/NativeInstance.zig
+++ b/gpu/src/NativeInstance.zig
@@ -2006,6 +2006,17 @@ const command_encoder_vtable = CommandEncoder.VTable{
             c.wgpuCommandEncoderPushDebugGroup(@ptrCast(c.WGPUCommandEncoder, ptr), group_label);
         }
     }).pushDebugGroup,
+    .writeBuffer = (struct {
+        pub fn writeBuffer(ptr: *anyopaque, buffer: Buffer, buffer_offset: u64, data: *const u8, size: u64) void {
+            c.wgpuCommandEncoderWriteBuffer(
+                @ptrCast(c.WGPUCommandEncoder, ptr),
+                @ptrCast(c.WGPUBuffer, buffer.ptr),
+                buffer_offset,
+                data,
+                size,
+            );
+        }
+    }).writeBuffer,
     .writeTimestamp = (struct {
         pub fn writeTimestamp(ptr: *anyopaque, query_set: QuerySet, query_index: u32) void {
             c.wgpuCommandEncoderWriteTimestamp(