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webgpu: build abseil-cpp 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 06:18:19 -07:00 • committed by Stephen Gutekanst
parent 9387981c22
commit 3c5be625af
1 changed files with 17 additions and 6 deletions
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23
webgpu/build_dawn.zig
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@ -1,6 +1,7 @@
const std = @import("std");
const Builder = std.build.Builder;
const glfw = @import("libs/mach-glfw/build.zig");
const system_sdk = @import("libs/mach-glfw/system_sdk.zig");
pub const LinuxWindowManager = enum {
X11,
@ -26,6 +27,10 @@ pub fn link(b: *Builder, step: *std.build.LibExeObjStep, options: Options) void
const lib_mach_dawn_native = buildLibMachDawnNative(b, step);
step.linkLibrary(lib_mach_dawn_native);
// dawn-native dependencies
const lib_abseil_cpp = buildLibAbseilCpp(b, step);
step.linkLibrary(lib_abseil_cpp);
const lib = buildLibDawn(b, step, options);
step.linkLibrary(lib);
}
@ -110,7 +115,6 @@ fn addDawnPlatformSources(b: *Builder, step: *std.build.LibExeObjStep, options:
// Adds dawn native sources; derived from src/dawn_native/BUILD.gn
fn addDawnNativeSources(b: *Builder, step: *std.build.LibExeObjStep, options: Options, target: std.Target) void {
AddThirdPartyAbseilCppSources(b, step, options, target);
const flags = &.{
"-DDAWN_ENABLE_BACKEND_METAL",
//"-DDAWN_ENABLE_BACKEND_NULL",
@ -1032,15 +1036,21 @@ fn addThirdPartyVulkanDepsSPIRVTools(b: *Builder, step: *std.build.LibExeObjStep
}
}
// Adds third_party/abseil sources; derived from:
// Builds third_party/abseil sources; derived from:
//
// ```
// $ find third_party/abseil-cpp/absl | grep '\.cc' | grep -v 'test' | grep -v 'benchmark' | grep -v gaussian_distribution_gentables | grep -v print_hash_of | grep -v chi_square
// ```
//
fn AddThirdPartyAbseilCppSources(b: *Builder, step: *std.build.LibExeObjStep, options: Options, target: std.Target) void {
_ = options;
_ = target;
fn buildLibAbseilCpp(b: *Builder, step: *std.build.LibExeObjStep) *std.build.LibExeObjStep {
var main_abs = std.fs.path.join(b.allocator, &.{ thisDir(), "src/dawn/dummy.zig" }) catch unreachable;
const lib = b.addStaticLibrary("abseil-cpp", main_abs);
lib.setBuildMode(step.build_mode);
lib.setTarget(step.target);
lib.linkLibCpp();
system_sdk.include(b, lib, .{});
lib.linkFramework("CoreFoundation");
const flags = &.{include("libs/dawn/third_party/abseil-cpp")};
// absl
@ -1165,8 +1175,9 @@ fn AddThirdPartyAbseilCppSources(b: *Builder, step: *std.build.LibExeObjStep, op
"third_party/abseil-cpp/absl/base/log_severity.cc",
}) |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);
}
return lib;
}
// Adds dawn wire sources; derived from src/dawn_wire/BUILD.gn