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gpu: add adapter.enumerateFeaturesOwned helper

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Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
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Stephen Gutekanst 2022-07-31 10:09:13 -07:00 • committed by Stephen Gutekanst
parent 9568bff8ab
commit 185a4231e6
1 changed files with 13 additions and 1 deletions
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14
gpu/src/adapter.zig
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@ -1,4 +1,5 @@
const testing = @import("std").testing;
const std = @import("std");
const testing = std.testing;
const ChainedStructOut = @import("types.zig").ChainedStructOut;
const Device = @import("device.zig").Device;
const FeatureName = @import("types.zig").FeatureName;
@ -42,10 +43,21 @@ pub const Adapter = opaque {
}
/// Call once with null to determine the array length, and again to fetch the feature list.
///
/// Consider using the enumerateFeaturesOwned helper.
pub inline fn enumerateFeatures(adapter: *Adapter, features: ?[*]FeatureName) usize {
return Impl.adapterEnumerateFeatures(adapter, features);
}
/// Enumerates the adapter features, storing the result in an allocated slice which is owned by
/// the caller.
pub inline fn enumerateFeaturesOwned(adapter: *Adapter, allocator: std.mem.Allocator) ![]FeatureName {
const count = adapter.enumerateFeatures(null);
var data = try allocator.alloc(FeatureName, count);
_ = adapter.enumerateFeatures(data.ptr);
return data;
}
pub inline fn getLimits(adapter: *Adapter, limits: *SupportedLimits) bool {
return Impl.adapterGetLimits(adapter, limits);
}