28 lines
1.3 KiB
Zig
28 lines
1.3 KiB
Zig
const std = @import("std");
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pub const message_addresses = @import("message_addresses.zig");
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pub const message_lowering = @import("message_lowering.zig");
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pub const message_payloads = @import("message_payloads.zig");
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pub const resource_layout = @import("resource_layout.zig");
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pub const resource_lowering = @import("resource_lowering.zig");
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pub const ResourceLayout = resource_layout.Layout;
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pub const Error = error{UnsupportedWorkgroupSize};
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pub fn validateWorkgroupSize(size: [3]u32) Error!void {
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if (size[0] == 0 or size[1] == 0 or size[2] == 0 or size[0] > 128 or size[1] > 128 or size[2] > 64)
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return Error.UnsupportedWorkgroupSize;
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const xy = std.math.mul(u32, size[0], size[1]) catch return Error.UnsupportedWorkgroupSize;
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const invocations = std.math.mul(u32, xy, size[2]) catch return Error.UnsupportedWorkgroupSize;
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if (invocations > 128)
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return Error.UnsupportedWorkgroupSize;
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}
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test "[gen9] compute: validate workgroup limits" {
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try validateWorkgroupSize(.{ 1, 1, 1 });
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try validateWorkgroupSize(.{ 128, 1, 1 });
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try std.testing.expectError(Error.UnsupportedWorkgroupSize, validateWorkgroupSize(.{ 0, 1, 1 }));
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try std.testing.expectError(Error.UnsupportedWorkgroupSize, validateWorkgroupSize(.{ 129, 1, 1 }));
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try std.testing.expectError(Error.UnsupportedWorkgroupSize, validateWorkgroupSize(.{ 64, 3, 1 }));
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}
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