mach/gpu/src/query_set.zig
Stephen Gutekanst c82f640296 gpu: add QuerySet.Descriptor.init slice helper
Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
2022-08-16 17:56:47 -07:00

57 lines
1.9 KiB
Zig

const ChainedStruct = @import("types.zig").ChainedStruct;
const PipelineStatisticName = @import("types.zig").PipelineStatisticName;
const QueryType = @import("types.zig").QueryType;
const Impl = @import("interface.zig").Impl;
pub const QuerySet = opaque {
pub const Descriptor = extern struct {
next_in_chain: ?*const ChainedStruct = null,
label: ?[*:0]const u8 = null,
type: QueryType,
count: u32,
pipeline_statistics: ?[*]const PipelineStatisticName = null,
pipeline_statistics_count: u32 = 0,
/// Provides a slightly friendlier Zig API to initialize this structure.
pub inline fn init(v: struct {
next_in_chain: ?*const ChainedStruct = null,
label: ?[*:0]const u8 = null,
type: QueryType,
count: u32,
pipeline_statistics: ?[]const PipelineStatisticName = null,
}) Descriptor {
return .{
.next_in_chain = v.next_in_chain,
.label = v.label,
.type = v.type,
.count = v.count,
.pipeline_statistics_count = if (v.pipeline_statistics) |e| @intCast(u32, e.len) else 0,
.pipeline_statistics = if (v.pipeline_statistics) |e| e.ptr else null,
};
}
};
pub inline fn destroy(query_set: *QuerySet) void {
Impl.querySetDestroy(query_set);
}
pub inline fn getCount(query_set: *QuerySet) u32 {
return Impl.querySetGetCount(query_set);
}
pub inline fn getType(query_set: *QuerySet) QueryType {
return Impl.querySetGetType(query_set);
}
pub inline fn setLabel(query_set: *QuerySet, label: [*:0]const u8) void {
Impl.querySetSetLabel(query_set, label);
}
pub inline fn reference(query_set: *QuerySet) void {
Impl.querySetReference(query_set);
}
pub inline fn release(query_set: *QuerySet) void {
Impl.querySetRelease(query_set);
}
};