94 lines
2.9 KiB
Zig
94 lines
2.9 KiB
Zig
const std = @import("std");
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pub fn addShaderDefinition(
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b: *std.Build,
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comptime sdl3Path: []const u8,
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target: std.Build.ResolvedTarget,
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optimize: std.builtin.OptimizeMode,
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shaderName: []const u8,
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jsonPath: std.Build.LazyPath,
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) *std.Build.Module {
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const reflectedZig = b.addSystemCommand(&[_][]const u8{"python"});
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reflectedZig.addArg(sdl3Path ++ "/spvreflect/spvreflect.py");
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reflectedZig.addFileArg(jsonPath);
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reflectedZig.addArg("--output");
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const reflectedZigOut = reflectedZig.addOutputFileArg(b.fmt("reflected/{s}.zig", .{shaderName}));
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const module = b.createModule(.{ .root_source_file = reflectedZigOut, .optimize = optimize });
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const dep = b.dependency("shaderTypes", .{
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.target = target,
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.optimize = optimize,
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});
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module.addImport("shaderTypes", dep.module("shaderTypes"));
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return module;
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}
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pub fn shaderDefintion(
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b: *std.Build,
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module: *std.Build.Module,
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comptime sdl3Path: []const u8,
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target: std.Build.ResolvedTarget,
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optimize: std.builtin.OptimizeMode,
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shaderName: []const u8,
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jsonPath: std.Build.LazyPath,
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) void {
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const mod = addShaderDefinition(b, sdl3Path, target, optimize, shaderName, jsonPath);
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module.addImport(shaderName, mod);
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}
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pub fn build(b: *std.Build) void {
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const target = b.standardTargetOptions(.{});
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const optimize = b.standardOptimizeOption(.{});
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const sdl_dep = b.dependency("sdl", .{
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.target = target,
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.optimize = optimize,
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});
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const sdl3_lib = sdl_dep.artifact("SDL3");
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const sdl3_fwd = b.addModule("sdl3_lib", .{
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.target = target,
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.optimize = optimize,
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.root_source_file = b.path("src/sdl3_lib_fwd.zig"),
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});
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sdl3_fwd.linkLibrary(sdl3_lib);
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const mod = b.addModule("sdl3", .{
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.target = target,
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.optimize = optimize,
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.root_source_file = b.path("src/sdl3.zig"),
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});
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const shaderTypes = b.dependency("shaderTypes", .{
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.target = target,
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.optimize = optimize,
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});
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mod.addImport("shaderTypes", shaderTypes.module("shaderTypes"));
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mod.addIncludePath(b.path("SDL/include"));
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mod.linkLibrary(sdl3_lib);
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const test_step = b.step("test", "run unit tests for sdl3");
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const tests = b.addExecutable(.{
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.name = "hello-triangle",
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.target = target,
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.optimize = optimize,
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.root_source_file = b.path("src/samples/hello-triangle.zig"),
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.link_libc = true,
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});
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tests.root_module.addImport("sdl3", mod);
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const vertexDefinitions = addShaderDefinition(b, ".", target, optimize, "hello-triangle.vert", b.path("content/hello-triangle.vert.json"));
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tests.root_module.addImport("hello-triangle.vert", vertexDefinitions);
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const runArtifact = b.addRunArtifact(tests);
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test_step.dependOn(&runArtifact.step);
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b.installArtifact(sdl3_lib);
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b.installArtifact(tests);
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}
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