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webgpu: begin building Dawn with Zig

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* MacOS support functional
* C shims for dawn_native functionality, e.g. required utilities for binding to a GLFW window.
* Fully building with Zig, but depends on ziglang/zig#10096 for Obj-C++ support.

Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2021-11-05 03:32:34 -07:00 • committed by Stephen Gutekanst
parent 564248c09b
commit b2aca7fdde
8 changed files with 2251 additions and 0 deletions
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24
webgpu/build.zig
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@ -1,14 +1,38 @@
const Builder = @import("std").build.Builder;
const dawn = @import("build_dawn.zig");
const glfw = @import("./libs/dawn/mach-old/glfw/build.zig"); // TODO: mach-old path
pub fn build(b: *Builder) void {
const mode = b.standardReleaseOptions();
const target = b.standardTargetOptions(.{});
const lib = b.addStaticLibrary("webgpu", "src/main.zig");
lib.setBuildMode(mode);
lib.setTarget(target);
lib.install();
dawn.link(b, lib, .{});
var main_tests = b.addTest("src/main.zig");
main_tests.setBuildMode(mode);
const test_step = b.step("test", "Run library tests");
test_step.dependOn(&main_tests.step);
const dawn_example = b.addExecutable("dawn-example", "src/dawn/hello_triangle.zig");
dawn_example.setBuildMode(mode);
dawn_example.setTarget(target);
dawn.link(b, dawn_example, .{});
glfw.link(b, dawn_example, .{.system_sdk = .{.set_sysroot = false}});
dawn_example.addPackagePath("glfw", "./libs/dawn/mach-old/glfw/src/main.zig"); // TODO: mach-old path
dawn_example.addIncludeDir("libs/dawn/out/Debug/gen/src/include");
dawn_example.addIncludeDir("libs/dawn/out/Debug/gen/src");
dawn_example.addIncludeDir("libs/dawn/src/include");
dawn_example.addIncludeDir("src/dawn");
dawn_example.install();
const dawn_example_run_cmd = dawn_example.run();
dawn_example_run_cmd.step.dependOn(b.getInstallStep());
const dawn_example_run_step = b.step("run-dawn-example", "Run the dawn example");
dawn_example_run_step.dependOn(&dawn_example_run_cmd.step);
}