pkg/spirv-cross

pkg/spirv-cross/build.zig

@@ -0,0 +1,85 @@
+const std = @import("std");
+
+pub fn build(b: *std.Build) !void {
+    const target = b.standardTargetOptions(.{});
+    const optimize = b.standardOptimizeOption(.{});
+
+    _ = b.addModule("spirv-cross", .{ .source_file = .{ .path = "main.zig" } });
+
+    const upstream = b.dependency("spirv_cross", .{});
+    const lib = try buildSpirvCross(b, upstream, target, optimize);
+    b.installArtifact(lib);
+
+    {
+        const test_exe = b.addTest(.{
+            .name = "test",
+            .root_source_file = .{ .path = "main.zig" },
+            .target = target,
+            .optimize = optimize,
+        });
+        test_exe.linkLibrary(lib);
+        const tests_run = b.addRunArtifact(test_exe);
+        const test_step = b.step("test", "Run tests");
+        test_step.dependOn(&tests_run.step);
+
+        // Uncomment this if we're debugging tests
+        // b.installArtifact(test_exe);
+    }
+}
+
+fn buildSpirvCross(
+    b: *std.Build,
+    upstream: *std.Build.Dependency,
+    target: std.zig.CrossTarget,
+    optimize: std.builtin.OptimizeMode,
+) !*std.Build.Step.Compile {
+    const lib = b.addStaticLibrary(.{
+        .name = "spirv-cross",
+        .target = target,
+        .optimize = optimize,
+    });
+    lib.linkLibC();
+    lib.linkLibCpp();
+    //lib.addIncludePath(upstream.path(""));
+    //lib.addIncludePath(.{ .path = "override" });
+
+    var flags = std.ArrayList([]const u8).init(b.allocator);
+    defer flags.deinit();
+    try flags.appendSlice(&.{
+        "-DSPIRV_CROSS_C_API_GLSL=1",
+        "-DSPIRV_CROSS_C_API_MSL=1",
+
+        "-fno-sanitize=undefined",
+        "-fno-sanitize-trap=undefined",
+    });
+
+    lib.addCSourceFiles(.{
+        .dependency = upstream,
+        .flags = flags.items,
+        .files = &.{
+            // Core
+            "spirv_cross.cpp",
+            "spirv_parser.cpp",
+            "spirv_cross_parsed_ir.cpp",
+            "spirv_cfg.cpp",
+
+            // C
+            "spirv_cross_c.cpp",
+
+            // GLSL
+            "spirv_glsl.cpp",
+
+            // MSL
+            "spirv_msl.cpp",
+        },
+    });
+
+    lib.installHeadersDirectoryOptions(.{
+        .source_dir = upstream.path("include"),
+        .install_dir = .header,
+        .install_subdir = "",
+        .include_extensions = &.{".h"},
+    });
+
+    return lib;
+}

pkg/spirv-cross/build.zig.zon

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+.{
+    .name = "spirv-cross",
+    .version = "13.1.1",
+    .paths = .{""},
+    .dependencies = .{
+        .spirv_cross = .{
+            .url = "https://github.com/KhronosGroup/SPIRV-Cross/archive/4818f7e7ef7b7078a3a7a5a52c4a338e0dda22f4.tar.gz",
+            .hash = "1220b2d8a6cff1926ef28a29e312a0a503b555ebc2f082230b882410f49e672ac9c6",
+        },
+    },
+}

pkg/spirv-cross/c.zig

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+pub usingnamespace @cImport({
+    @cInclude("spriv_cross/external_interface.h");
+});

pkg/spirv-cross/main.zig

@@ -0,0 +1 @@
+pub const c = @import("c.zig");