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webgpu: build dawn-utils into a library

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Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2021-11-16 07:22:46 -07:00 • committed by Stephen Gutekanst
parent 9793bb7de0
commit b2ad2f4f21
1 changed files with 17 additions and 9 deletions
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26
webgpu/build_dawn.zig
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@ -42,6 +42,9 @@ pub fn link(b: *Builder, step: *std.build.LibExeObjStep, options: Options) void
const lib_dawn_wire = buildLibDawnWire(b, step);
step.linkLibrary(lib_dawn_wire);
const lib_dawn_utils = buildLibDawnUtils(b, step, options);
step.linkLibrary(lib_dawn_utils);
const lib = buildLibDawn(b, step, options);
step.linkLibrary(lib);
}
@ -54,7 +57,6 @@ fn buildLibDawn(b: *Builder, step: *std.build.LibExeObjStep, options: Options) *
lib.linkLibCpp();
const target = (std.zig.system.NativeTargetInfo.detect(b.allocator, step.target) catch unreachable).target;
addDawnUtilsSources(b, lib, options, target);
addThirdPartyTintSources(b, lib, options, target);
return lib;
}
@ -1264,11 +1266,15 @@ fn buildLibDawnWire(b: *Builder, step: *std.build.LibExeObjStep) *std.build.LibE
return lib;
}
// Adds dawn utils sources; derived from src/utils/BUILD.gn
fn addDawnUtilsSources(b: *Builder, step: *std.build.LibExeObjStep, options: Options, target: std.Target) void {
_ = options;
_ = target;
glfw.link(b, step, .{ .system_sdk = .{ .set_sysroot = false } });
// Builds dawn utils sources; derived from src/utils/BUILD.gn
fn buildLibDawnUtils(b: *Builder, step: *std.build.LibExeObjStep, options: Options) *std.build.LibExeObjStep {
var main_abs = std.fs.path.join(b.allocator, &.{ thisDir(), "src/dawn/dummy.zig" }) catch unreachable;
const lib = b.addStaticLibrary("dawn-utils", main_abs);
lib.setBuildMode(step.build_mode);
lib.setTarget(step.target);
lib.linkLibCpp();
glfw.link(b, lib, .{ .system_sdk = .{ .set_sysroot = false } });
const flags = &.{
"-DDAWN_ENABLE_BACKEND_METAL",
//"-DDAWN_ENABLE_BACKEND_NULL",
@ -1283,9 +1289,10 @@ fn addDawnUtilsSources(b: *Builder, step: *std.build.LibExeObjStep, options: Opt
"src/utils/NullBinding.cpp",
}) |path| {
var abs_path = std.fs.path.join(b.allocator, &.{ thisDir(), "libs/dawn", path }) catch unreachable;
step.addCSourceFile(abs_path, flags);
lib.addCSourceFile(abs_path, flags);
}
const target = (std.zig.system.NativeTargetInfo.detect(b.allocator, step.target) catch unreachable).target;
switch (target.os.tag) {
.windows => {
if (options.d3d12) {
@ -1293,7 +1300,7 @@ fn addDawnUtilsSources(b: *Builder, step: *std.build.LibExeObjStep, options: Opt
"src/utils/D3D12Binding.cpp",
}) |path| {
var abs_path = std.fs.path.join(b.allocator, &.{ thisDir(), "libs/dawn", path }) catch unreachable;
step.addCSourceFile(abs_path, flags);
lib.addCSourceFile(abs_path, flags);
}
}
},
@ -1303,7 +1310,7 @@ fn addDawnUtilsSources(b: *Builder, step: *std.build.LibExeObjStep, options: Opt
"src/utils/MetalBinding.mm",
}) |path| {
var abs_path = std.fs.path.join(b.allocator, &.{ thisDir(), "libs/dawn", path }) catch unreachable;
step.addCSourceFile(abs_path, flags);
lib.addCSourceFile(abs_path, flags);
}
}
},
@ -1319,6 +1326,7 @@ fn addDawnUtilsSources(b: *Builder, step: *std.build.LibExeObjStep, options: Opt
// if (dawn_enable_vulkan) {
// sources += [ "VulkanBinding.cpp" ]
// }
return lib;
}
fn include(comptime rel: []const u8) []const u8 {