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gpu: add InstanceDescriptor slice helper

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Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2022-08-16 17:21:19 -07:00
parent c3bb1683a6
commit cb80cfc3c2
3 changed files with 13 additions and 2 deletions
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13
gpu/src/dawn.zig
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@ -17,9 +17,20 @@ pub const EncoderInternalUsageDescriptor = extern struct {
/// TODO: Can be chained in gpu.Instance.Descriptor
pub const InstanceDescriptor = extern struct {
chain: ChainedStruct,
// TODO: slice helper
additional_runtime_search_paths_count: u32 = 0,
additional_runtime_search_paths: ?[*]const u8 = null,
/// Provides a slightly friendlier Zig API to initialize this structure.
pub fn init(v: struct {
chain: ChainedStruct,
additional_runtime_search_paths: ?[]const u8 = null,
}) InstanceDescriptor {
return .{
.chain = v.chain,
.additional_runtime_search_paths_count = if (v.additional_runtime_search_paths) |e| @intCast(u32, e.len) else 0,
.additional_runtime_search_paths = if (v.additional_runtime_search_paths) |e| e.ptr else null,
};
}
};
/// TODO: Can be chained in gpu.Texture.Descriptor