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const std = @import("std");
pub fn build(b: *std.Build) void {
const optimize = b.standardOptimizeOption(.{});
const target = b.standardTargetOptions(.{});
const have_ffmpeg = b.option(bool, "ffmpeg", "enable image/video support (needs ffmpeg)") orelse true;
const have_hap = have_ffmpeg and b.option(bool, "hap", "enable HAP GPU upload support (needs snappy)") orelse true;
const have_tsv = b.option(bool, "texture-share-vk", "enable GPU image sharing (needs texture-share-vk)") orelse false;
const have_renderdoc = b.option(bool, "renderdoc", "enable OpenGL dbeugging (needs renderdoc)") orelse false;
const exe = b.addExecutable(.{
.name = "glsl-view",
.root_source_file = b.path("src/main.zig"),
.target = target,
.optimize = optimize,
});
const options = b.addOptions();
options.addOption(bool, "have_ffmpeg", have_ffmpeg);
options.addOption(bool, "have_hap", have_hap);
options.addOption(bool, "have_tsv", have_tsv);
options.addOption(bool, "have_renderdoc", have_renderdoc);
exe.root_module.addOptions("build_config", options);
exe.linkLibC();
exe.linkSystemLibrary("glfw3");
exe.linkSystemLibrary("epoxy");
exe.linkSystemLibrary("liblo");
if (have_ffmpeg) {
exe.linkSystemLibrary("libavcodec");
exe.linkSystemLibrary("libavformat");
exe.linkSystemLibrary("libavdevice");
exe.linkSystemLibrary("libavutil");
exe.linkSystemLibrary("libswscale");
}
if (have_ffmpeg and have_hap) {
exe.addIncludePath(b.path("lib"));
exe.addCSourceFile(.{ .file = b.path("lib/hap.c") });
exe.linkSystemLibrary("snappy");
}
if (have_tsv) {
exe.linkSystemLibrary("texture_share_gl_client");
}
b.installArtifact(exe);
const run_cmd = b.addRunArtifact(exe);
run_cmd.step.dependOn(b.getInstallStep());
if (b.args) |args| {
run_cmd.addArgs(args);
}
const run_step = b.step("run", "Run the app");
run_step.dependOn(&run_cmd.step);
}
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