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gpu: decouple SDK from dependencies

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Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2022-08-19 12:04:33 -07:00 • committed by Stephen Gutekanst
parent bfe9408da3
commit 6c401b6067
2 changed files with 55 additions and 37 deletions
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52
gpu/build.zig
View file

@ -1,24 +1,35 @@
const std = @import("std");
const gpu_dawn = @import("libs/mach-gpu-dawn/build.zig");
const glfw = @import("libs/mach-glfw/build.zig");
const gpu_dawn_sdk = @import("libs/mach-gpu-dawn/sdk.zig");
const gpu_sdk = @import("sdk.zig");
const system_sdk = @import("libs/mach-glfw/system_sdk.zig");
pub fn build(b: *std.build.Builder) void {
const mode = b.standardReleaseOptions();
const target = b.standardTargetOptions(.{});
const gpu_dawn = gpu_dawn_sdk.Sdk(.{
.glfw = glfw,
.glfw_include_dir = "libs/mach-glfw/upstream/glfw/include",
.system_sdk = system_sdk,
});
const gpu = gpu_sdk.Sdk(.{
.glfw = glfw,
.gpu_dawn = gpu_dawn,
});
const gpu_dawn_options = gpu_dawn.Options{
.from_source = b.option(bool, "dawn-from-source", "Build Dawn from source") orelse false,
};
const test_step = b.step("test", "Run library tests");
test_step.dependOn(&testStep(b, mode, target, .{ .gpu_dawn_options = gpu_dawn_options }).step);
test_step.dependOn(&gpu.testStep(b, mode, target, .{ .gpu_dawn_options = gpu_dawn_options }).step);
const example = b.addExecutable("gpu-hello-triangle", "examples/main.zig");
example.setBuildMode(mode);
example.setTarget(target);
example.addPackage(pkg);
example.addPackage(gpu.pkg);
example.addPackage(glfw.pkg);
link(b, example, .{ .gpu_dawn_options = gpu_dawn_options });
gpu.link(b, example, .{ .gpu_dawn_options = gpu_dawn_options });
example.install();
const example_run_cmd = example.run();
@ -26,36 +37,3 @@ pub fn build(b: *std.build.Builder) void {
const example_run_step = b.step("run-example", "Run the example");
example_run_step.dependOn(&example_run_cmd.step);
}
pub fn testStep(b: *std.build.Builder, mode: std.builtin.Mode, target: std.zig.CrossTarget, options: Options) *std.build.RunStep {
const main_tests = b.addTestExe("gpu-tests", (comptime thisDir()) ++ "/src/main.zig");
main_tests.setBuildMode(mode);
main_tests.setTarget(target);
link(b, main_tests, options);
main_tests.install();
return main_tests.run();
}
pub const Options = struct {
glfw_options: glfw.Options = .{},
gpu_dawn_options: gpu_dawn.Options = .{},
};
pub const pkg = std.build.Pkg{
.name = "gpu",
.source = .{ .path = thisDir() ++ "/src/main.zig" },
.dependencies = &.{glfw.pkg},
};
pub fn link(b: *std.build.Builder, step: *std.build.LibExeObjStep, options: Options) void {
if (step.target.toTarget().cpu.arch != .wasm32) {
glfw.link(b, step, options.glfw_options);
gpu_dawn.link(b, step, options.gpu_dawn_options);
step.addCSourceFile((comptime thisDir()) ++ "/src/mach_dawn.cpp", &.{"-std=c++17"});
step.addIncludeDir((comptime thisDir()) ++ "/src");
}
}
fn thisDir() []const u8 {
return std.fs.path.dirname(@src().file) orelse ".";
}

40
gpu/sdk.zig Normal file
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@ -0,0 +1,40 @@
const std = @import("std");
// const gpu_dawn = @import("libs/mach-gpu-dawn/build.zig");
// const glfw = @import("libs/mach-glfw/build.zig");
pub fn Sdk(deps: anytype) type {
return struct {
pub fn testStep(b: *std.build.Builder, mode: std.builtin.Mode, target: std.zig.CrossTarget, options: Options) *std.build.RunStep {
const main_tests = b.addTestExe("gpu-tests", (comptime thisDir()) ++ "/src/main.zig");
main_tests.setBuildMode(mode);
main_tests.setTarget(target);
link(b, main_tests, options);
main_tests.install();
return main_tests.run();
}
pub const Options = struct {
glfw_options: deps.glfw.Options = .{},
gpu_dawn_options: deps.gpu_dawn.Options = .{},
};
pub const pkg = std.build.Pkg{
.name = "gpu",
.source = .{ .path = thisDir() ++ "/src/main.zig" },
.dependencies = &.{deps.glfw.pkg},
};
pub fn link(b: *std.build.Builder, step: *std.build.LibExeObjStep, options: Options) void {
if (step.target.toTarget().cpu.arch != .wasm32) {
deps.glfw.link(b, step, options.glfw_options);
deps.gpu_dawn.link(b, step, options.gpu_dawn_options);
step.addCSourceFile((comptime thisDir()) ++ "/src/mach_dawn.cpp", &.{"-std=c++17"});
step.addIncludeDir((comptime thisDir()) ++ "/src");
}
}
fn thisDir() []const u8 {
return std.fs.path.dirname(@src().file) orelse ".";
}
};
}