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-rw-r--r--nixpkgs/pkgs/development/libraries/vulkan-loader/default.nix46
-rw-r--r--nixpkgs/pkgs/development/libraries/vulkan-loader/system-search-path.patch45
2 files changed, 91 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/libraries/vulkan-loader/default.nix b/nixpkgs/pkgs/development/libraries/vulkan-loader/default.nix
new file mode 100644
index 000000000000..a44e91e1bf5c
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/vulkan-loader/default.nix
@@ -0,0 +1,46 @@
+{ stdenv, fetchFromGitHub, cmake, python3, vulkan-headers, pkgconfig
+, xlibsWrapper, libxcb, libXrandr, libXext, wayland, addOpenGLRunpath }:
+
+let
+  version = "1.1.106";
+in
+
+assert version == vulkan-headers.version;
+stdenv.mkDerivation rec {
+  name = "vulkan-loader-${version}";
+  inherit version;
+
+  src = fetchFromGitHub {
+    owner = "KhronosGroup";
+    repo = "Vulkan-Loader";
+    rev = "sdk-${version}";
+    sha256 = "0zhrwj1gi90x2w8gaaaw5h4b969a8gfy244kn0drrplhhb1nqz3b";
+  };
+
+  nativeBuildInputs = [ pkgconfig addOpenGLRunpath ];
+  buildInputs = [ cmake python3 xlibsWrapper libxcb libXrandr libXext wayland ];
+  enableParallelBuilding = true;
+
+  patches = [ ./system-search-path.patch ];
+
+  cmakeFlags = [
+    "-DSYSTEM_SEARCH_PATH=${addOpenGLRunpath.driverLink}/share"
+    "-DVULKAN_HEADERS_INSTALL_DIR=${vulkan-headers}"
+  ];
+
+  outputs = [ "out" "dev" ];
+
+  # Set RUNPATH so that driver libraries in /run/opengl-driver(-32)/lib can be found.
+  # See the explanation in addOpenGLRunpath.
+  postFixup = ''
+    addOpenGLRunpath $out/lib/libvulkan.so
+  '';
+
+  meta = with stdenv.lib; {
+    description = "LunarG Vulkan loader";
+    homepage    = https://www.lunarg.com;
+    platforms   = platforms.linux;
+    license     = licenses.asl20;
+    maintainers = [ maintainers.ralith ];
+  };
+}
diff --git a/nixpkgs/pkgs/development/libraries/vulkan-loader/system-search-path.patch b/nixpkgs/pkgs/development/libraries/vulkan-loader/system-search-path.patch
new file mode 100644
index 000000000000..26f83e6d534f
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/vulkan-loader/system-search-path.patch
@@ -0,0 +1,45 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 9ac5ce835..cbdb0ff56 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -88,6 +88,12 @@ if(UNIX)
+             STRING
+             "Search path to use when XDG_DATA_DIRS is unset or empty or the current process is SUID/SGID. Default is freedesktop compliant."
+         )
++    set(
++        SYSTEM_SEARCH_PATH ""
++        CACHE
++            STRING
++            "Search path to always use, after all other search paths."
++    )
+ endif()
+ 
+ if(UNIX AND NOT APPLE) # i.e.: Linux
+@@ -184,6 +190,7 @@ if(UNIX)
+     add_definitions(-DFALLBACK_CONFIG_DIRS="${FALLBACK_CONFIG_DIRS}")
+     add_definitions(-DFALLBACK_DATA_DIRS="${FALLBACK_DATA_DIRS}")
+     add_definitions(-DSYSCONFDIR="${CMAKE_INSTALL_FULL_SYSCONFDIR}")
++    add_definitions(-DSYSTEM_SEARCH_PATH="${SYSTEM_SEARCH_PATH}")
+ 
+     # Make sure /etc is searched by the loader
+     if(NOT (CMAKE_INSTALL_FULL_SYSCONFDIR STREQUAL "/etc"))
+diff --git a/loader/loader.c b/loader/loader.c
+index 0d3b5a947..abe357004 100644
+--- a/loader/loader.c
++++ b/loader/loader.c
+@@ -3688,6 +3688,7 @@ static VkResult ReadDataFilesInSearchPaths(const struct loader_instance *inst, e
+                 search_path_size += DetermineDataFilePathSize(xdgdatahome, rel_size);
+                 search_path_size += DetermineDataFilePathSize(home_root, rel_size);
+             }
++            search_path_size += DetermineDataFilePathSize(SYSTEM_SEARCH_PATH, rel_size);
+ #endif
+         }
+     }
+@@ -3737,6 +3738,7 @@ static VkResult ReadDataFilesInSearchPaths(const struct loader_instance *inst, e
+                 CopyDataFilePath(xdgdatahome, relative_location, rel_size, &cur_path_ptr);
+                 CopyDataFilePath(home_root, relative_location, rel_size, &cur_path_ptr);
+             }
++            CopyDataFilePath(SYSTEM_SEARCH_PATH, relative_location, rel_size, &cur_path_ptr);
+         }
+ 
+         // Remove the last path separator