webgpu: build dawn-native into a library
Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst
Stephen Gutekanst
parent
eb1936a98d
commit
698d4f6bc4
1 changed files with 38 additions and 24 deletions
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@ -37,6 +37,9 @@ pub fn link(b: *Builder, step: *std.build.LibExeObjStep, options: Options) void
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const lib_abseil_cpp = buildLibAbseilCpp(b, step);
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step.linkLibrary(lib_abseil_cpp);
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const lib_dawn_native = buildLibDawnNative(b, step, options);
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step.linkLibrary(lib_dawn_native);
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const lib = buildLibDawn(b, step, options);
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step.linkLibrary(lib);
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}
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@ -49,7 +52,6 @@ fn buildLibDawn(b: *Builder, step: *std.build.LibExeObjStep, options: Options) *
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lib.linkLibCpp();
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const target = (std.zig.system.NativeTargetInfo.detect(b.allocator, step.target) catch unreachable).target;
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addDawnNativeSources(b, lib, options, target);
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addDawnWireSources(b, lib, options, target);
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addDawnUtilsSources(b, lib, options, target);
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addThirdPartyTintSources(b, lib, options, target);
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@ -125,15 +127,22 @@ fn buildLibDawnPlatform(b: *Builder, step: *std.build.LibExeObjStep) *std.build.
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include("libs/dawn/src"),
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include("libs/dawn/src/include"),
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// TODO: should we commit generated dawn/webgpu.h somewhere to avoid people needing depot_tools (ninja, gn, gclient, etc.)
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include("libs/dawn/out/Debug/gen/src/include"),
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});
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}
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return lib;
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}
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// Adds dawn native sources; derived from src/dawn_native/BUILD.gn
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fn addDawnNativeSources(b: *Builder, step: *std.build.LibExeObjStep, options: Options, target: std.Target) void {
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// Builds dawn native sources; derived from src/dawn_native/BUILD.gn
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fn buildLibDawnNative(b: *Builder, step: *std.build.LibExeObjStep, options: Options) *std.build.LibExeObjStep {
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var main_abs = std.fs.path.join(b.allocator, &.{ thisDir(), "src/dawn/dummy.zig" }) catch unreachable;
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const lib = b.addStaticLibrary("dawn-native", main_abs);
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lib.setBuildMode(step.build_mode);
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lib.setTarget(step.target);
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lib.linkLibCpp();
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const target = (std.zig.system.NativeTargetInfo.detect(b.allocator, step.target) catch unreachable).target;
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const flags = &.{
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"-DDAWN_ENABLE_BACKEND_METAL",
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//"-DDAWN_ENABLE_BACKEND_NULL",
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@ -151,7 +160,6 @@ fn addDawnNativeSources(b: *Builder, step: *std.build.LibExeObjStep, options: Op
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include("libs/dawn/third_party/tint"),
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include("libs/dawn/third_party/tint/include"),
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// TODO: should we commit generated dawn/webgpu.h somewhere to avoid people needing depot_tools (ninja, gn, gclient, etc.)
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include("libs/dawn/out/Debug/gen/src/include"),
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include("libs/dawn/out/Debug/gen/src"),
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};
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@ -169,7 +177,7 @@ fn addDawnNativeSources(b: *Builder, step: *std.build.LibExeObjStep, options: Op
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"out/Debug/gen/src/dawn/webgpu_cpp.cpp",
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}) |path| {
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var abs_path = std.fs.path.join(b.allocator, &.{ thisDir(), "libs/dawn", path }) catch unreachable;
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step.addCSourceFile(abs_path, flags);
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lib.addCSourceFile(abs_path, flags);
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}
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for ([_][]const u8{
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@ -244,7 +252,7 @@ fn addDawnNativeSources(b: *Builder, step: *std.build.LibExeObjStep, options: Op
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"src/dawn_native/VertexFormat.cpp",
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}) |path| {
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var abs_path = std.fs.path.join(b.allocator, &.{ thisDir(), "libs/dawn", path }) catch unreachable;
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step.addCSourceFile(abs_path, flags);
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lib.addCSourceFile(abs_path, flags);
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}
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// dawn_native_utils_gen
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@ -257,7 +265,7 @@ fn addDawnNativeSources(b: *Builder, step: *std.build.LibExeObjStep, options: Op
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"out/Debug/gen/src/dawn_native/ObjectType_autogen.cpp",
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}) |path| {
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var abs_path = std.fs.path.join(b.allocator, &.{ thisDir(), "libs/dawn", path }) catch unreachable;
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step.addCSourceFile(abs_path, flags);
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lib.addCSourceFile(abs_path, flags);
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}
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// TODO: could allow enable_vulkan_validation_layers here. See src/dawn_native/BUILD.gn
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@ -270,7 +278,7 @@ fn addDawnNativeSources(b: *Builder, step: *std.build.LibExeObjStep, options: Op
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switch (target.os.tag) {
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.windows => {
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if (options.windows_uwp_app) {
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if (step.build_mode == .Debug) {
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if (lib.build_mode == .Debug) {
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// DXGIGetDebugInterface1 is defined in dxgi.lib
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// But this API is tagged as a development-only capability
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// which implies that linking to this function will cause
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@ -278,9 +286,9 @@ fn addDawnNativeSources(b: *Builder, step: *std.build.LibExeObjStep, options: Op
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// So we only link to it in debug build when compiling for UWP.
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// In win32 we load dxgi.dll using LoadLibrary
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// so no need for static linking.
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step.linkSystemLibrary("dxgi.lib");
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lib.linkSystemLibrary("dxgi.lib");
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}
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step.linkSystemLibrary("user32.lib");
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lib.linkSystemLibrary("user32.lib");
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}
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// TODO:
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@ -330,13 +338,12 @@ fn addDawnNativeSources(b: *Builder, step: *std.build.LibExeObjStep, options: Op
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},
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.macos => {
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if (options.metal) {
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step.linkFramework("Metal");
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step.linkFramework("CoreGraphics");
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step.linkFramework("Foundation");
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// step.linkFramework("Cocoa");
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step.linkFramework("IOKit");
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step.linkFramework("IOSurface");
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step.linkFramework("QuartzCore");
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lib.linkFramework("Metal");
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lib.linkFramework("CoreGraphics");
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lib.linkFramework("Foundation");
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lib.linkFramework("IOKit");
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lib.linkFramework("IOSurface");
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lib.linkFramework("QuartzCore");
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for ([_][]const u8{
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"src/dawn_native/metal/MetalBackend.mm",
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@ -361,18 +368,18 @@ fn addDawnNativeSources(b: *Builder, step: *std.build.LibExeObjStep, options: Op
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"src/dawn_native/metal/UtilsMetal.mm",
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}) |path| {
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var abs_path = std.fs.path.join(b.allocator, &.{ thisDir(), "libs/dawn", path }) catch unreachable;
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step.addCSourceFile(abs_path, flags);
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lib.addCSourceFile(abs_path, flags);
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}
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}
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},
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else => {
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if (options.linux_window_manager == .X11) {
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step.linkSystemLibrary("X11");
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lib.linkSystemLibrary("X11");
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for ([_][]const u8{
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"src/dawn_native/XlibXcbFunctions.cpp",
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}) |path| {
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var abs_path = std.fs.path.join(b.allocator, &.{ thisDir(), "libs/dawn", path }) catch unreachable;
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step.addCSourceFile(abs_path, flags);
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lib.addCSourceFile(abs_path, flags);
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}
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}
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},
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@ -382,7 +389,7 @@ fn addDawnNativeSources(b: *Builder, step: *std.build.LibExeObjStep, options: Op
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"src/dawn_native/null/DeviceNull.cpp",
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}) |path| {
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var abs_path = std.fs.path.join(b.allocator, &.{ thisDir(), "libs/dawn", path }) catch unreachable;
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step.addCSourceFile(abs_path, flags);
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lib.addCSourceFile(abs_path, flags);
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}
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// TODO: no vulkan on macos
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@ -534,7 +541,7 @@ fn addDawnNativeSources(b: *Builder, step: *std.build.LibExeObjStep, options: Op
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"src/dawn_native/null/NullBackend.cpp",
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}) |path| {
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var abs_path = std.fs.path.join(b.allocator, &.{ thisDir(), "libs/dawn", path }) catch unreachable;
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step.addCSourceFile(abs_path, flags);
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lib.addCSourceFile(abs_path, flags);
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}
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// if (dawn_enable_d3d12) {
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@ -556,6 +563,7 @@ fn addDawnNativeSources(b: *Builder, step: *std.build.LibExeObjStep, options: Op
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// }
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// }
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// }
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return lib;
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}
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// Adds third party tint sources; derived from third_party/tint/src/BUILD.gn
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@ -1203,7 +1211,13 @@ fn buildLibAbseilCpp(b: *Builder, step: *std.build.LibExeObjStep) *std.build.Lib
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fn addDawnWireSources(b: *Builder, step: *std.build.LibExeObjStep, options: Options, target: std.Target) void {
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_ = options;
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_ = target;
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const flags = &.{};
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const flags = &.{
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include("libs/dawn/src"),
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include("libs/dawn/src/include"),
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include("libs/dawn/out/Debug/gen/src/include"),
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include("libs/dawn/out/Debug/gen/src"),
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};
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// dawn_wire_gen
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for ([_][]const u8{
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