65 lines
2.2 KiB
Zig
65 lines
2.2 KiB
Zig
const ChainedStruct = @import("main.zig").ChainedStruct;
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const RequestAdapterStatus = @import("main.zig").RequestAdapterStatus;
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const Surface = @import("surface.zig").Surface;
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const Adapter = @import("adapter.zig").Adapter;
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const RequestAdapterOptions = @import("main.zig").RequestAdapterOptions;
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const RequestAdapterCallback = @import("main.zig").RequestAdapterCallback;
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const Impl = @import("interface.zig").Impl;
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const dawn = @import("dawn.zig");
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pub const Instance = opaque {
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pub const Descriptor = extern struct {
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pub const NextInChain = extern union {
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generic: ?*const ChainedStruct,
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dawn_toggles_descriptor: *const dawn.TogglesDescriptor,
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};
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next_in_chain: NextInChain = .{ .generic = null },
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};
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pub inline fn createSurface(instance: *Instance, descriptor: *const Surface.Descriptor) *Surface {
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return Impl.instanceCreateSurface(instance, descriptor);
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}
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pub inline fn processEvents(instance: *Instance) void {
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Impl.instanceProcessEvents(instance);
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}
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pub inline fn requestAdapter(
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instance: *Instance,
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options: ?*const RequestAdapterOptions,
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context: anytype,
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comptime callback: fn (
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ctx: @TypeOf(context),
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status: RequestAdapterStatus,
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adapter: *Adapter,
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message: ?[*:0]const u8,
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) callconv(.Inline) void,
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) void {
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const Context = @TypeOf(context);
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const Helper = struct {
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pub fn cCallback(
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status: RequestAdapterStatus,
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adapter: *Adapter,
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message: ?[*:0]const u8,
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userdata: ?*anyopaque,
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) callconv(.C) void {
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callback(
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if (Context == void) {} else @as(Context, @ptrCast(@alignCast(userdata))),
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status,
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adapter,
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message,
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);
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}
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};
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Impl.instanceRequestAdapter(instance, options, Helper.cCallback, if (Context == void) null else context);
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}
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pub inline fn reference(instance: *Instance) void {
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Impl.instanceReference(instance);
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}
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pub inline fn release(instance: *Instance) void {
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Impl.instanceRelease(instance);
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}
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};
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