util/glsl2spirv: add support for include directive

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Ivan Briano <ivan.briano@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20497>

1 files changed, 10 insertions, 0 deletions

diff --git a/src/util/glsl2spirv.py b/src/util/glsl2spirv.py
index 78d8dc94a1e..4df5abd4e27 100644
--- a/src/util/glsl2spirv.py
+++ b/src/util/glsl2spirv.py
@@ -72,6 +72,13 @@ def get_args() -> 'Arguments':
                         default="vert",
                         choices=['vert', 'tesc', 'tese', 'geom', 'frag', 'comp'],
                         help="Uses specified stage rather than parsing the file extension")
+
+    parser.add_argument("-I",
+                        dest="includes",
+                        default=[],
+                        action='append',
+                        help="Include directory")
+
     args = parser.parse_args()
     return args
 
@@ -157,6 +164,9 @@ def process_file(args: 'Arguments') -> None:
     if args.create_entry is not None:
         cmd_list.extend(["--entry-point", args.create_entry])
 
+    for f in args.includes:
+        cmd_list.append('-I' + f)
+
     cmd_list.extend([
         '-V',
         '-o', args.output,