submit method
void
submit()
Implementation
void submit() {
final cmdBuf = _wgpu.wgpuCommandEncoderFinish(_handle, nullptr);
using((arena) {
final ptr = arena<Pointer<Void>>();
ptr.value = cmdBuf.cast();
_wgpu.wgpuQueueSubmit(WebgpuRend.instance.queue, 1, ptr.cast());
});
_wgpu.wgpuCommandBufferRelease(cmdBuf);
_wgpu.wgpuCommandEncoderRelease(_handle);
}