diff --git a/packages/mesa/pkgbuild.py b/packages/mesa/pkgbuild.py
new file mode 100644
index 0000000..8822a36
--- /dev/null
+++ b/packages/mesa/pkgbuild.py
@@ -0,0 +1,258 @@
+import glob
+import os
+
+from lib.make import *
+from lib import cpp, arch
+
+
+version("26.2.0")
+description("Open source implementations of OpenGL, OpenGL ES, Vulkan, OpenCL, and more")
+maintainer("sisungo <sisungo@icloud.com>")
+source_url("https://archive.mesa3d.org/mesa-26.2.0.tar.xz")
+
+builddep("shortcut/meson")
+builddep("shortcut/c++")
+builddep(f"libwayland-dev @{arch.get_target()}")
+builddep(f"libffi-dev @{arch.get_target()}")
+builddep(f"libexpat-dev @{arch.get_target()}")
+builddep(f"pkgconf @{arch.get_target()}")
+builddep(f"libllvm-dev @{arch.get_target()}")
+builddep(f"libclang-dev @{arch.get_target()}")
+builddep(f"libunwind-dev @{arch.get_target()}")
+builddep(f"libz-ng-dev @{arch.get_target()}")
+builddep(f"libzstd-dev @{arch.get_target()}")
+builddep(f"libgldispatch-dev @{arch.get_target()}")
+builddep(f"libegl-dev @{arch.get_target()}")
+builddep(f"libopengl-dev @{arch.get_target()}")
+builddep(f"libglesv2-dev @{arch.get_target()}")
+builddep(f"libva-dev @{arch.get_target()}")
+builddep(f"libdrm-dev @{arch.get_target()}")
+builddep(f"libllvmspirv-dev @{arch.get_target()}")
+builddep(f"spirv-tools-dev @{arch.get_target()}")
+builddep(f"libpng-dev @{arch.get_target()}")
+builddep(f"libarchive-dev @{arch.get_target()}")
+builddep(f"aws-lc-dev @{arch.get_target()}")
+builddep(f"libxml2-dev @{arch.get_target()}")
+builddep(f"linux-dev @{arch.get_target()}")
+builddep("bison")
+builddep("flex")
+builddep("PyYAML.py")
+builddep("Mako.py")
+builddep("packaging.py")
+builddep("pycparser.py")
+builddep("glslang")
+
+archspec = {
+    "aarch64-semios-linux": {
+        "vulkan_drivers": [
+            "mesa-vulkan-asahi",
+            "mesa-vulkan-freedreno",
+            "mesa-vulkan-intel",
+            "mesa-vulkan-lvp",
+            "mesa-vulkan-panfrost",
+        ],
+    }
+}
+
+
+def build():
+    cpp.meson_setup([
+        # Generic directories
+        f"--libdir=/lib/{arch.get_target()}",
+        f"--includedir=/lib/{arch.get_target()}/include",
+        f"--datadir=/share",
+
+        # Platform selection
+        "-Dplatforms=wayland",
+
+        # User Features
+        "-Dshader-cache=enabled",
+        "-Dxmlconfig=enabled",
+
+        # Gallium
+        "-Dgallium-drivers=auto",
+        "-Dgallium-va=enabled",
+        f"-Dva-libs-path=/lib/{arch.get_target()}/dri",
+
+        # Vulkan
+        "-Dvulkan-drivers=auto",
+        "-Dvulkan-layers=device-select,overlay,screenshot,anti-lag,vram-report-limit",
+        f"-Dvulkan-icd-dir=/lib/{arch.get_target()}/vulkan/icd.d",
+        "-Dvulkan-manifest-per-architecture=false",
+        f"-Dvulkan-loader-rpath=/lib/{arch.get_target()}",
+
+        # GLES
+        "-Dgles1=disabled",
+        "-Dgles2=enabled",
+
+        # GBM
+        "-Dgbm=enabled",
+        f"-Dgbm-backends-path=/lib/{arch.get_target()}/gbm",
+        f"-Ddri-drivers-path=/lib/{arch.get_target()}/dri",
+
+        # EGL
+        "-Degl=enabled",
+        "-Degl-native-platform=surfaceless",
+
+        # GLVND
+        "-Dglvnd=enabled",
+
+        # Hardware Video Decoding
+        "-Dvideo-codecs=all_free",
+
+        # Intel
+        "-Dintel-rt=enabled",
+
+        # LLVM Configuration
+        "-Dllvm=enabled",
+        "-Dshared-llvm=enabled",
+        "-Dllvm-orcjit=true",
+
+        # Libraries to use
+        "-Dexpat=enabled",
+        "-Dzstd=enabled",
+        "-Dzlib=enabled",
+
+        # X11-related stuff
+        # We don't have X11 yet, so leave them disabled.
+        "-Dxlib-lease=disabled",
+        "-Dglx=disabled",
+    ])
+    cpp.meson_compile()
+    cpp.meson_install(move=False)
+
+on_build(build)
+
+
+libdir = f"lib/{arch.get_target()}"
+includedir = f"{libdir}/include"
+
+def composer_add(composer, src, dst):
+    if os.path.isdir(src):
+        composer.add_dir(src, dst)
+    else:
+        composer.addfile(src, dst)
+
+def pack_lib_simple(composer, name):
+    composer.makedir("lib")
+    for i in os.listdir(libdir):
+        if name in i:
+            composer_add(composer, f"{libdir}/{i}", f"lib/{i}")
+
+def pack_dev_simple(composer, name):
+    composer.makedirs("lib/pkgconfig")
+    composer.makedir("include")
+    for i in os.listdir(f"{libdir}/pkgconfig"):
+        if name in i:
+            composer.addfile(f"{libdir}/pkgconfig/{i}", f"lib/pkgconfig/{i}")
+    for i in os.listdir(includedir):
+        if name in i:
+            composer_add(composer, f"{includedir}/{i}", f"include/{i}")
+
+def pack_dri_dev(composer):
+    composer.makedir("include")
+    composer.add_dir(f"{includedir}/GL", "include/GL")
+    composer.makedirs("lib/pkgconfig")
+    composer.addfile(f"{libdir}/pkgconfig/dri.pc", "lib/pkgconfig/dri.pc")
+
+def pack_libgallium(composer):
+    pack_lib_simple(composer, "gallium")
+    composer.add_dir(f"{libdir}/dri", "lib/dri")
+    composer.add_dir("share/drirc.d", "share/drirc.d")
+
+def pack_libegl(composer):
+    pack_lib_simple(composer, "EGL")
+    composer.add_dir("share/glvnd", "share/glvnd")
+
+def pack_vulkan(composer, name):
+    composer.makedir("lib")
+    composer.addfile(f"{libdir}/libvulkan_{name}.so", f"lib/libvulkan_{name}.so")
+    composer.makedirs("lib/vulkan/icd.d")
+    composer.addfile(f"{libdir}/vulkan/icd.d/{name}_icd.json", f"lib/vulkan/icd.d/{name}_icd.json")
+
+def hasvulkan(name):
+    return name in archspec[arch.get_target()]["vulkan_drivers"]
+
+
+package("libgbm")
+dep("libdrm @same-arch")
+dep("semi-libc @same-arch")
+on_pack(lambda composer: pack_lib_simple(composer, "gbm"))
+
+package("libgbm-dev")
+dep("libdrm-dev @same-arch")
+dep("libgbm (same)")
+on_pack(lambda composer: pack_dev_simple(composer, "gbm"))
+
+package("libgallium")
+dep("libdrm @same-arch")
+dep("libllvm @same-arch")
+dep("libexpat @same-arch")
+dep("libz @same-arch")
+dep("libzstd @same-arch")
+dep("libcxx @same-arch")
+on_pack(pack_libgallium)
+
+package("mesa-dri-dev")
+on_pack(pack_dri_dev)
+
+package("libegl-mesa")
+dep("libgallium (same)")
+dep("libgbm (same)")
+dep("libexpat @same-arch")
+dep("libdrm @same-arch")
+dep("libwayland @same-arch")
+on_pack(pack_libegl)
+
+package("libegl-mesa-dev")
+dep("libgbm-dev (same)")
+dep("libexpat-dev @same-arch")
+dep("libdrm-dev @same-arch")
+dep("libwayland-dev @same-arch")
+dep("libegl-mesa (same)")
+on_pack(lambda composer: pack_dev_simple(composer, "EGL"))
+
+if hasvulkan("mesa-vulkan-asahi"):
+    package("mesa-vulkan-asahi")
+    dep("libdrm @same-arch")
+    dep("libwayland @same-arch")
+    dep("libz @same-arch")
+    dep("libzstd @same-arch")
+    dep("libcxx @same-arch")
+    on_pack(lambda composer: pack_vulkan(composer, "asahi"))
+
+if hasvulkan("mesa-vulkan-freedreno"):
+    package("mesa-vulkan-freedreno")
+    dep("libdrm @same-arch")
+    dep("libwayland @same-arch")
+    dep("libz @same-arch")
+    dep("libzstd @same-arch")
+    dep("libcxx @same-arch")
+    on_pack(lambda composer: pack_vulkan(composer, "freedreno"))
+
+if hasvulkan("mesa-vulkan-intel"):
+    package("mesa-vulkan-intel")
+    dep("libdrm @same-arch")
+    dep("libwayland @same-arch")
+    dep("libz @same-arch")
+    dep("libzstd @same-arch")
+    dep("libcxx @same-arch")
+    on_pack(lambda composer: pack_vulkan(composer, "intel"))
+
+if hasvulkan("mesa-vulkan-lvp"):
+    package("mesa-vulkan-lvp")
+    dep("libdrm @same-arch")
+    dep("libwayland @same-arch")
+    dep("libz @same-arch")
+    dep("libzstd @same-arch")
+    dep("libcxx @same-arch")
+    on_pack(lambda composer: pack_vulkan(composer, "lvp"))
+
+if hasvulkan("mesa-vulkan-panfrost"):
+    package("mesa-vulkan-panfrost")
+    dep("libdrm @same-arch")
+    dep("libwayland @same-arch")
+    dep("libz @same-arch")
+    dep("libzstd @same-arch")
+    dep("libcxx @same-arch")
+    on_pack(lambda composer: pack_vulkan(composer, "panfrost"))