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gpu: correctly allow unsetting Device.setLostCallback

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Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2022-08-16 21:13:36 -07:00
parent b28a01d2e8
commit 612c4420d6
3 changed files with 17 additions and 13 deletions
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2
gpu/src/dawn_impl.zig
View file

@ -599,7 +599,7 @@ pub const Interface = struct {
);
}
pub inline fn deviceSetDeviceLostCallback(device: *gpu.Device, callback: gpu.Device.LostCallback, userdata: ?*anyopaque) void {
pub inline fn deviceSetDeviceLostCallback(device: *gpu.Device, callback: ?gpu.Device.LostCallback, userdata: ?*anyopaque) void {
procs.deviceSetDeviceLostCallback.?(
@ptrCast(c.WGPUDevice, device),
@ptrCast(c.WGPUDeviceLostCallback, callback),

21
gpu/src/device.zig
View file

@ -260,19 +260,22 @@ pub const Device = opaque {
Impl.devicePushErrorScope(device, filter);
}
// TODO: presumably callback should be nullable for unsetting
pub inline fn setDeviceLostCallback(
device: *Device,
context: anytype,
comptime callback: fn (ctx: @TypeOf(context), reason: LostReason, message: [*:0]const u8) callconv(.Inline) void,
comptime callback: ?fn (ctx: @TypeOf(context), reason: LostReason, message: [*:0]const u8) callconv(.Inline) void,
) void {
const Context = @TypeOf(context);
const Helper = struct {
pub fn callback(reason: LostReason, message: [*:0]const u8, userdata: ?*anyopaque) callconv(.C) void {
callback(if (Context == void) {} else @ptrCast(Context, @alignCast(@alignOf(std.meta.Child(Context)), userdata)), reason, message);
}
};
Impl.deviceSetDeviceLostCallback(device, Helper.callback, if (Context == void) null else context);
if (callback) |cb| {
const Context = @TypeOf(context);
const Helper = struct {
pub fn callback(reason: LostReason, message: [*:0]const u8, userdata: ?*anyopaque) callconv(.C) void {
cb(if (Context == void) {} else @ptrCast(Context, @alignCast(@alignOf(std.meta.Child(Context)), userdata)), reason, message);
}
};
Impl.deviceSetDeviceLostCallback(device, Helper.callback, if (Context == void) null else context);
} else {
Impl.deviceSetDeviceLostCallback(device, null, null);
}
}
pub inline fn setLabel(device: *Device, label: [*:0]const u8) void {

7
gpu/src/interface.zig
View file

@ -109,7 +109,7 @@ pub fn Interface(comptime T: type) type {
assertDecl(T, "deviceLoseForTesting", fn (device: *gpu.Device) callconv(.Inline) void);
assertDecl(T, "devicePopErrorScope", fn (device: *gpu.Device, callback: gpu.ErrorCallback, userdata: ?*anyopaque) callconv(.Inline) bool);
assertDecl(T, "devicePushErrorScope", fn (device: *gpu.Device, filter: gpu.ErrorFilter) callconv(.Inline) void);
assertDecl(T, "deviceSetDeviceLostCallback", fn (device: *gpu.Device, callback: gpu.Device.LostCallback, userdata: ?*anyopaque) callconv(.Inline) void);
assertDecl(T, "deviceSetDeviceLostCallback", fn (device: *gpu.Device, callback: ?gpu.Device.LostCallback, userdata: ?*anyopaque) callconv(.Inline) void);
assertDecl(T, "deviceSetLabel", fn (device: *gpu.Device, label: [*:0]const u8) callconv(.Inline) void);
assertDecl(T, "deviceSetLoggingCallback", fn (device: *gpu.Device, callback: gpu.LoggingCallback, userdata: ?*anyopaque) callconv(.Inline) void);
assertDecl(T, "deviceSetUncapturedErrorCallback", fn (device: *gpu.Device, callback: gpu.ErrorCallback, userdata: ?*anyopaque) callconv(.Inline) void);
@ -688,8 +688,9 @@ pub fn Export(comptime T: type) type {
T.devicePushErrorScope(device, filter);
}
// TODO: dawn: callback not marked as nullable in dawn.json but in fact is.
// WGPU_EXPORT void wgpuDeviceSetDeviceLostCallback(WGPUDevice device, WGPUDeviceLostCallback callback, void * userdata);
export fn wgpuDeviceSetDeviceLostCallback(device: *gpu.Device, callback: gpu.Device.LostCallback, userdata: ?*anyopaque) void {
export fn wgpuDeviceSetDeviceLostCallback(device: *gpu.Device, callback: ?gpu.Device.LostCallback, userdata: ?*anyopaque) void {
T.deviceSetDeviceLostCallback(device, callback, userdata);
}
@ -1791,7 +1792,7 @@ pub const StubInterface = Interface(struct {
unreachable;
}
pub inline fn deviceSetDeviceLostCallback(device: *gpu.Device, callback: gpu.Device.LostCallback, userdata: ?*anyopaque) void {
pub inline fn deviceSetDeviceLostCallback(device: *gpu.Device, callback: ?gpu.Device.LostCallback, userdata: ?*anyopaque) void {
_ = device;
_ = callback;
_ = userdata;