diff options
Diffstat (limited to 'build.zig')
| -rw-r--r-- | build.zig | 28 |
1 files changed, 23 insertions, 5 deletions
@@ -50,7 +50,11 @@ const gui_shaders = [_][]const u8{ "decor.frag", "overlay.vert", "overlay.frag", "image.vert", "image.frag", - "crt.vert", "crt.frag", + "post.vert", + // The bundled post passes: shaders/post/<name>.glsl behind the Shadertoy + // prefix (shaderSource). + "post-crt.frag", "post-ripple.frag", + "post-glitch.frag", }; pub fn build(b: *std.Build) void { @@ -161,7 +165,7 @@ pub fn build(b: *std.Build) void { for (gui_shaders) |name| { update_shaders.addCopyFileToSource(compileGlsl(b, name), b.fmt("shaders/prebuilt/{s}.spv", .{name})); update_shaders.addCopyFileToSource( - b.path(b.fmt("shaders/{s}.glsl", .{name})), + shaderSource(b, name), b.fmt("shaders/prebuilt/{s}.glsl", .{name}), ); } @@ -691,7 +695,7 @@ pub fn build(b: *std.Build) void { mod.addOptions("pardes_isolation", if (isolated_mod == mod) iso_on else iso_off); if (shell == .gui) for (gui_shaders) |name| mod.addAnonymousImport( b.fmt("effect-source-{s}.glsl", .{name}), - .{ .root_source_file = b.path(b.fmt("{s}/{s}.glsl", .{ gui_effect_source_dir, name })) }, + .{ .root_source_file = if (prebuilt_shaders) b.path(b.fmt("{s}/{s}.glsl", .{ gui_effect_source_dir, name })) else shaderSource(b, name) }, ); if (shell == .macos) mod.addAnonymousImport("effect-source-crt.ci.metal", .{ .root_source_file = b.path("shaders/crt.ci.metal"), @@ -756,6 +760,8 @@ pub fn build(b: *std.Build) void { gm.addAnonymousImport("AdwaitaMono-Regular.ttf", .{ .root_source_file = b.path("assets/AdwaitaMono-Regular.ttf"), }); + // Put before a user's Shadertoy file when the gui compiles it. + gm.addAnonymousImport("post-prefix.glsl", .{ .root_source_file = b.path("shaders/post/prefix.glsl") }); for (gui_shaders) |name| gm.addAnonymousImport(b.fmt("{s}.spv", .{name}), .{ .root_source_file = if (prebuilt_shaders) b.path(b.fmt("shaders/prebuilt/{s}.spv", .{name})) @@ -1444,7 +1450,6 @@ pub fn build(b: *std.Build) void { .{ .path = "src/esp32p4/input_rescue.zig", .libc = false }, .{ .path = "src/fonts.zig", .libc = true }, .{ .path = "src/c_heap.zig", .libc = false }, - .{ .path = "src/gui/crt.zig", .libc = false }, }) |entry| { const tests = b.addTest(.{ .root_module = b.createModule(.{ @@ -1626,10 +1631,23 @@ fn reindexed(b: *std.Build, archive: std.Build.LazyPath, index: usize) std.Build // glslc shaders/<name>.glsl -fshader-stage=<vertex|fragment> -o <name>.spv, // returned as a LazyPath for @embedFile. The stage is the name's own suffix. +/// The GLSL a shader is compiled from: shaders/<name>.glsl, or for a bundled +/// post pass (post-<name>.frag) shaders/post/<name>.glsl behind the Shadertoy +/// prefix, the one the gui puts before a user's file at run time. +fn shaderSource(b: *std.Build, name: []const u8) std.Build.LazyPath { + if (!std.mem.startsWith(u8, name, "post-")) return b.path(b.fmt("shaders/{s}.glsl", .{name})); + const joined = b.addSystemCommand(&.{"cat"}); + joined.addFileArg(b.path("shaders/post/prefix.glsl")); + joined.addFileArg(b.path(b.fmt("shaders/post/{s}.glsl", .{name["post-".len .. name.len - ".frag".len]}))); + return joined.captureStdOut(.{}); +} + +/// The one glslc invocation every shader is compiled with, at build time here +/// and at run time for a user's post pass (src/gui/Post.zig). fn compileGlsl(b: *std.Build, name: []const u8) std.Build.LazyPath { const stage = if (std.mem.endsWith(u8, name, ".vert")) "vertex" else "fragment"; const cmd = b.addSystemCommand(&.{ "glslc", b.fmt("-fshader-stage={s}", .{stage}) }); - cmd.addFileArg(b.path(b.fmt("shaders/{s}.glsl", .{name}))); + cmd.addFileArg(shaderSource(b, name)); cmd.addArg("-o"); return cmd.addOutputFileArg(b.fmt("{s}.spv", .{name})); } |