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gpu: update createInstance optionality

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Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2022-07-26 22:20:14 -07:00 • committed by Stephen Gutekanst
parent 4ffede8caa
commit 4f91682bc2
1 changed files with 3 additions and 3 deletions
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6
gpu/src/interface.zig
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@ -17,7 +17,7 @@ pub const impl = blk: {
/// Verifies that a gpu.Interface implementation exposes the expected function declarations.
pub fn Interface(comptime Impl: type) type {
assertDecl(Impl, "createInstance", fn (descriptor: *const InstanceDescriptor) callconv(.Inline) ?Instance);
assertDecl(Impl, "createInstance", fn (descriptor: ?*const InstanceDescriptor) callconv(.Inline) ?Instance);
assertDecl(Impl, "getProcAddress", fn (device: gpu.Device, proc_name: [*:0]const u8) callconv(.Inline) ?gpu.Proc);
assertDecl(Impl, "adapterCreateDevice", fn (adapter: gpu.Adapter, descriptor: ?*const gpu.DeviceDescriptor) callconv(.Inline) ?gpu.Device);
assertDecl(Impl, "adapterEnumerateFeatures", fn (adapter: gpu.Adapter, features: ?[*]gpu.FeatureName) callconv(.Inline) usize);
@ -232,7 +232,7 @@ pub fn Export(comptime Impl: type) type {
_ = Interface(Impl); // verify implementation is a valid interface
return struct {
// WGPU_EXPORT WGPUInstance wgpuCreateInstance(WGPUInstanceDescriptor const * descriptor);
export fn wgpuCreateInstance(descriptor: *const InstanceDescriptor) ?Instance {
export fn wgpuCreateInstance(descriptor: ?*const InstanceDescriptor) ?Instance {
return Impl.createInstance(descriptor);
}
@ -1245,7 +1245,7 @@ pub fn Export(comptime Impl: type) type {
/// A stub gpu.Interface in which every function is implemented by `unreachable;`
pub const StubInterface = Interface(struct {
pub inline fn createInstance(descriptor: *const InstanceDescriptor) ?Instance {
pub inline fn createInstance(descriptor: ?*const InstanceDescriptor) ?Instance {
_ = descriptor;
unreachable;
}