|
| 1 | +package = { |
| 2 | + spec = "1", |
| 3 | + namespace = "compat", |
| 4 | + name = "compat.glx-runtime", |
| 5 | + description = "Host GLVND/GLX/OpenGL runtime adapter for mcpp Linux window applications", |
| 6 | + licenses = {"MIT"}, |
| 7 | + repo = "https://github.com/KhronosGroup/OpenGL-Registry", |
| 8 | + type = "package", |
| 9 | + |
| 10 | + xpm = { |
| 11 | + linux = { |
| 12 | + ["2026.06.03"] = { |
| 13 | + url = "https://raw.githubusercontent.com/KhronosGroup/OpenGL-Registry/a30033d3e812c9bf10094f1010374a6b15e192eb/README.adoc", |
| 14 | + sha256 = "ea68efce197e68413ebb62c51ab4bccfb2309a2fca776d31b49d972f59f3640e", |
| 15 | + }, |
| 16 | + }, |
| 17 | + }, |
| 18 | + |
| 19 | + mcpp = { |
| 20 | + language = "c++23", |
| 21 | + import_std = false, |
| 22 | + c_standard = "c11", |
| 23 | + generated_files = { |
| 24 | + ["mcpp_generated/glx_runtime_empty.c"] = "int mcpp_compat_glx_runtime_anchor(void) { return 0; }\n", |
| 25 | + }, |
| 26 | + sources = {"mcpp_generated/glx_runtime_empty.c"}, |
| 27 | + targets = { ["glx_runtime"] = { kind = "lib" } }, |
| 28 | + runtime = { |
| 29 | + library_dirs = { "mcpp_generated/glx_runtime/lib" }, |
| 30 | + dlopen_libs = { "libGLX.so.0", "libGL.so.1", "libGL.so" }, |
| 31 | + capabilities = { "x11.display", "opengl.glx.driver" }, |
| 32 | + }, |
| 33 | + deps = { |
| 34 | + ["compat.xext"] = "1.3.7", |
| 35 | + }, |
| 36 | + }, |
| 37 | +} |
| 38 | + |
| 39 | +import("xim.libxpkg.pkginfo") |
| 40 | +import("xim.libxpkg.log") |
| 41 | + |
| 42 | +local function sh_quote(value) |
| 43 | + return "'" .. tostring(value):gsub("'", "'\\''") .. "'" |
| 44 | +end |
| 45 | + |
| 46 | +local function split_paths(value) |
| 47 | + local out = {} |
| 48 | + if not value or value == "" then |
| 49 | + return out |
| 50 | + end |
| 51 | + for item in tostring(value):gmatch("[^:]+") do |
| 52 | + if item ~= "" then |
| 53 | + table.insert(out, item) |
| 54 | + end |
| 55 | + end |
| 56 | + return out |
| 57 | +end |
| 58 | + |
| 59 | +local function candidate_dirs() |
| 60 | + local out = {} |
| 61 | + local seen = {} |
| 62 | + local function add(dir) |
| 63 | + if dir and dir ~= "" and not seen[dir] and os.isdir(dir) then |
| 64 | + seen[dir] = true |
| 65 | + table.insert(out, dir) |
| 66 | + end |
| 67 | + end |
| 68 | + |
| 69 | + for _, dir in ipairs(split_paths(os.getenv("MCPP_HOST_GL_LIBRARY_PATH"))) do |
| 70 | + add(dir) |
| 71 | + end |
| 72 | + add("/lib/x86_64-linux-gnu") |
| 73 | + add("/usr/lib/x86_64-linux-gnu") |
| 74 | + add("/lib64") |
| 75 | + add("/usr/lib64") |
| 76 | + add("/usr/lib") |
| 77 | + return out |
| 78 | +end |
| 79 | + |
| 80 | +local host_gl_patterns = { |
| 81 | + "libGL.so*", |
| 82 | + "libGLX.so*", |
| 83 | + "libGLX_*.so*", |
| 84 | + "libGLdispatch.so*", |
| 85 | + "libOpenGL.so*", |
| 86 | + "libEGL.so*", |
| 87 | + "libEGL_*.so*", |
| 88 | + "libGLES*.so*", |
| 89 | + "libnvidia*.so*", |
| 90 | + "libglapi.so*", |
| 91 | + "libdrm*.so*", |
| 92 | + "libexpat.so*", |
| 93 | + "libxshmfence.so*", |
| 94 | + "libbsd.so*", |
| 95 | + "libmd.so*", |
| 96 | +} |
| 97 | + |
| 98 | +local required = { |
| 99 | + ["libGLX.so.0"] = false, |
| 100 | + ["libGL.so.1"] = false, |
| 101 | +} |
| 102 | + |
| 103 | +local function link_runtime_libs(outdir) |
| 104 | + os.mkdir(outdir) |
| 105 | + for _, dir in ipairs(candidate_dirs()) do |
| 106 | + for _, pattern in ipairs(host_gl_patterns) do |
| 107 | + os.exec( |
| 108 | + "for lib in " .. sh_quote(dir) .. "/" .. pattern .. |
| 109 | + "; do [ -e \"$lib\" ] || continue; " .. |
| 110 | + "ln -sf \"$lib\" " .. sh_quote(outdir) .. "/\"$(basename \"$lib\")\"; " .. |
| 111 | + "done" |
| 112 | + ) |
| 113 | + end |
| 114 | + end |
| 115 | + |
| 116 | + for name, _ in pairs(required) do |
| 117 | + if not os.isfile(path.join(outdir, name)) then |
| 118 | + log.error("required host GL runtime library not found: %s", name) |
| 119 | + return false |
| 120 | + end |
| 121 | + end |
| 122 | + return true |
| 123 | +end |
| 124 | + |
| 125 | +function install() |
| 126 | + os.tryrm(pkginfo.install_dir()) |
| 127 | + os.mkdir(pkginfo.install_dir()) |
| 128 | + |
| 129 | + local generated = path.join(pkginfo.install_dir(), "mcpp_generated") |
| 130 | + os.mkdir(generated) |
| 131 | + io.writefile(path.join(generated, "glx_runtime_empty.c"), |
| 132 | + "int mcpp_compat_glx_runtime_anchor(void) { return 0; }\n") |
| 133 | + |
| 134 | + return link_runtime_libs(path.join(generated, "glx_runtime", "lib")) |
| 135 | +end |
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