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gpu: implement Queue.on_submitted_work_done callback

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Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2022-03-08 11:50:21 -07:00 • committed by Stephen Gutekanst
parent 687fb132ab
commit 0be5cae328
2 changed files with 54 additions and 17 deletions
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26
gpu/src/NativeInstance.zig
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@ -354,9 +354,31 @@ const queue_vtable = Queue.VTable{
}
}).release,
.submit = (struct {
pub fn submit(ptr: *anyopaque, command_count: u32, commands: *const CommandBuffer) void {
pub fn submit(queue: Queue, command_count: u32, commands: *const CommandBuffer) void {
const wgpu_queue = @ptrCast(c.WGPUQueue, queue.ptr);
if (queue.on_submitted_work_done) |on_submitted_work_done| {
// Note: signalValue is not available in the web API, and it's usage is undocumented
// kainino says "It's basically reserved for future use, though it's been suggested
// to remove it instead"
const signal_value: u64 = 0;
const callback = (struct {
pub fn callback(status: c.WGPUQueueWorkDoneStatus, userdata: ?*anyopaque) callconv(.C) void {
const _on_submitted_work_done = @ptrCast(*Queue.OnSubmittedWorkDone, @alignCast(@alignOf(*Queue.OnSubmittedWorkDone), userdata));
_on_submitted_work_done.callback(
@intToEnum(Queue.WorkDoneStatus, status),
_on_submitted_work_done.userdata,
);
}
}).callback;
var mut_on_submitted_work_done = on_submitted_work_done;
c.wgpuQueueOnSubmittedWorkDone(wgpu_queue, signal_value, callback, &mut_on_submitted_work_done);
}
c.wgpuQueueSubmit(
@ptrCast(c.WGPUQueue, ptr),
wgpu_queue,
command_count,
@ptrCast(*c.WGPUCommandBuffer, @alignCast(@alignOf(*c.WGPUCommandBuffer), commands.ptr)),
);