diff --git a/scripts/code_generation_hashes/ANGLE_format.json b/scripts/code_generation_hashes/ANGLE_format.json
index bcdafe03a..f29aad95c 100644
--- a/scripts/code_generation_hashes/ANGLE_format.json
+++ b/scripts/code_generation_hashes/ANGLE_format.json
@@ -2,7 +2,7 @@
   "src/libANGLE/renderer/FormatID_autogen.h":
     "40f92bcbd9100ebcbac0fa77db1a23be",
   "src/libANGLE/renderer/Format_table_autogen.cpp":
-    "afe82012cba43b1bab4b40f890b1eb89",
+    "5cb817bc8865f58824c6a412645e8876",
   "src/libANGLE/renderer/angle_format.py":
     "2f8fa768088e22b0963bbdf842d3e725",
   "src/libANGLE/renderer/angle_format_data.json":
@@ -10,5 +10,5 @@
   "src/libANGLE/renderer/angle_format_map.json":
     "951e1bceaba86eecb5c23173e897d092",
   "src/libANGLE/renderer/gen_angle_format_table.py":
-    "70bdbceee30506d4b14bf52f2bbd8f2b"
+    "2ec32d6ad86d2dece50bc7db3cd0d807"
 }
\ No newline at end of file
diff --git a/scripts/code_generation_hashes/D3D11_format.json b/scripts/code_generation_hashes/D3D11_format.json
index d09b099ca..26b6a9fdd 100644
--- a/scripts/code_generation_hashes/D3D11_format.json
+++ b/scripts/code_generation_hashes/D3D11_format.json
@@ -2,7 +2,7 @@
   "src/libANGLE/renderer/angle_format.py":
     "2f8fa768088e22b0963bbdf842d3e725",
   "src/libANGLE/renderer/d3d/d3d11/gen_texture_format_table.py":
-    "b281bb7e6149acdd7e76d8432c537672",
+    "1c50b4b5c46af329e72eaa07f51be6c9",
   "src/libANGLE/renderer/d3d/d3d11/texture_format_data.json":
     "6e48f8d410a6cee0423608336154e420",
   "src/libANGLE/renderer/d3d/d3d11/texture_format_map.json":
diff --git a/scripts/code_generation_hashes/DXGI_format.json b/scripts/code_generation_hashes/DXGI_format.json
index 3bf197dd4..c1a2991bc 100644
--- a/scripts/code_generation_hashes/DXGI_format.json
+++ b/scripts/code_generation_hashes/DXGI_format.json
@@ -8,5 +8,5 @@
   "src/libANGLE/renderer/dxgi_format_map_autogen.cpp":
     "974308ca798476dfaa076fb864478310",
   "src/libANGLE/renderer/gen_dxgi_format_table.py":
-    "317faa90fd375c39cc8fbefe897604b3"
+    "88fbd6be85ea84da8e6fdb709b6a54b7"
 }
\ No newline at end of file
diff --git a/scripts/code_generation_hashes/Emulated_HLSL_functions.json b/scripts/code_generation_hashes/Emulated_HLSL_functions.json
index 62ae16a8d..9c1931202 100644
--- a/scripts/code_generation_hashes/Emulated_HLSL_functions.json
+++ b/scripts/code_generation_hashes/Emulated_HLSL_functions.json
@@ -4,5 +4,5 @@
   "src/compiler/translator/emulated_builtin_functions_hlsl_autogen.cpp":
     "eeb085d4abc08e7dd15a1db8807efed6",
   "src/compiler/translator/gen_emulated_builtin_function_tables.py":
-    "0150347bc316e7c3772a7c1492c588b8"
+    "cdeb72610aefe2e87ecf46cf7617e487"
 }
\ No newline at end of file
diff --git a/scripts/code_generation_hashes/GL_copy_conversion_table.json b/scripts/code_generation_hashes/GL_copy_conversion_table.json
index e6d72e41e..8358615fe 100644
--- a/scripts/code_generation_hashes/GL_copy_conversion_table.json
+++ b/scripts/code_generation_hashes/GL_copy_conversion_table.json
@@ -4,7 +4,7 @@
   "src/libANGLE/es3_copy_conversion_table_autogen.cpp":
     "c8418c317a331e54a6913c407e47aafb",
   "src/libANGLE/gen_copy_conversion_table.py":
-    "0a73b7580342b9e27d4c71ade3af55e5",
+    "3b1f0182a41af78b44930fb415ff0fb6",
   "src/libANGLE/renderer/angle_format.py":
     "2f8fa768088e22b0963bbdf842d3e725"
 }
\ No newline at end of file
diff --git a/scripts/code_generation_hashes/GL_format_map.json b/scripts/code_generation_hashes/GL_format_map.json
index 42e51ec23..60b4d6cff 100644
--- a/scripts/code_generation_hashes/GL_format_map.json
+++ b/scripts/code_generation_hashes/GL_format_map.json
@@ -6,7 +6,7 @@
   "src/libANGLE/format_map_data.json":
     "2e5db33b6d6b142b569123f614f3ddb7",
   "src/libANGLE/gen_format_map.py":
-    "2421e2cfb4e074ae3fa6baa031c6394e",
+    "32b43aedcbad2aa5eaa47052cc8573ac",
   "src/libANGLE/renderer/angle_format.py":
     "2f8fa768088e22b0963bbdf842d3e725"
 }
\ No newline at end of file
diff --git a/scripts/code_generation_hashes/Metal_default_shaders.json b/scripts/code_generation_hashes/Metal_default_shaders.json
index cd36ebb74..3282197f0 100644
--- a/scripts/code_generation_hashes/Metal_default_shaders.json
+++ b/scripts/code_generation_hashes/Metal_default_shaders.json
@@ -4,7 +4,7 @@
   "src/libANGLE/renderer/angle_format_map.json":
     "951e1bceaba86eecb5c23173e897d092",
   "src/libANGLE/renderer/gen_angle_format_table.py":
-    "70bdbceee30506d4b14bf52f2bbd8f2b",
+    "2ec32d6ad86d2dece50bc7db3cd0d807",
   "src/libANGLE/renderer/metal/shaders/blit.metal":
     "b35da1cf7e949d02e5a44c6a432c1f06",
   "src/libANGLE/renderer/metal/shaders/clear.metal":
@@ -22,9 +22,9 @@
   "src/libANGLE/renderer/metal/shaders/gen_mipmap.metal":
     "fab35deec42fd89ae7a11d2f87b6e0b4",
   "src/libANGLE/renderer/metal/shaders/gen_mtl_internal_shaders.py":
-    "f6f2e180f73efd8f2ee3aaaaf34a71e4",
+    "039f57f41009d70dacdc3c38449054c8",
   "src/libANGLE/renderer/metal/shaders/mtl_default_shaders_src_autogen.inc":
-    "656682dbae2e5eeb940077dcd60a1fd6",
+    "809dafcfa740027ba1410952432fb0bb",
   "src/libANGLE/renderer/metal/shaders/rewrite_indices.metal":
     "a29210b023ed3393e1342d94e338d449",
   "src/libANGLE/renderer/metal/shaders/visibility.metal":
diff --git a/scripts/code_generation_hashes/Metal_format_table.json b/scripts/code_generation_hashes/Metal_format_table.json
index 69650a18d..a90ad5c36 100644
--- a/scripts/code_generation_hashes/Metal_format_table.json
+++ b/scripts/code_generation_hashes/Metal_format_table.json
@@ -4,7 +4,7 @@
   "src/libANGLE/renderer/angle_format_map.json":
     "951e1bceaba86eecb5c23173e897d092",
   "src/libANGLE/renderer/metal/gen_mtl_format_table.py":
-    "abb2300e5d9d70931e2497f820f64bd5",
+    "4be55bb374ce9dc939eb2b0bcb177109",
   "src/libANGLE/renderer/metal/mtl_format_map.json":
     "06930f9f23c7a3da6a72a1013d39bbf8",
   "src/libANGLE/renderer/metal/mtl_format_table_autogen.mm":
diff --git a/scripts/code_generation_hashes/SPIR-V_helpers.json b/scripts/code_generation_hashes/SPIR-V_helpers.json
index cabf277f7..2ebde6d3d 100644
--- a/scripts/code_generation_hashes/SPIR-V_helpers.json
+++ b/scripts/code_generation_hashes/SPIR-V_helpers.json
@@ -1,6 +1,6 @@
 {
   "src/common/spirv/gen_spirv_builder_and_parser.py":
-    "a1df0a9b252507533ca7ed4e76b8bdd9",
+    "e95670a30a4eda80a146b61c986fb03c",
   "src/common/spirv/spirv_instruction_builder_autogen.cpp":
     "1b5f60a24d459e7a30c29cf7acfa2106",
   "src/common/spirv/spirv_instruction_builder_autogen.h":
diff --git a/scripts/code_generation_hashes/overlay_fonts.json b/scripts/code_generation_hashes/overlay_fonts.json
index 699cc588e..9c4aa53c4 100644
--- a/scripts/code_generation_hashes/overlay_fonts.json
+++ b/scripts/code_generation_hashes/overlay_fonts.json
@@ -4,5 +4,5 @@
   "src/libANGLE/Overlay_font_autogen.h":
     "ea11ceeb31a33a1230aad15e46411819",
   "src/libANGLE/gen_overlay_fonts.py":
-    "6387f1a232d03025dd067511f8bc1b00"
+    "c8fc1c07dff51c29bc7d501e8a60edf4"
 }
\ No newline at end of file
diff --git a/scripts/code_generation_hashes/packed_enum.json b/scripts/code_generation_hashes/packed_enum.json
index f9965b4ea..0ccf2dbd4 100644
--- a/scripts/code_generation_hashes/packed_enum.json
+++ b/scripts/code_generation_hashes/packed_enum.json
@@ -12,7 +12,7 @@
   "src/common/PackedGLEnums_autogen.h":
     "81e65899f1a783d0be372b54fadb07be",
   "src/common/gen_packed_gl_enums.py":
-    "27df356513bc2f377b78655113d17c7e",
+    "3334498103ee8b13fe721519dd8e0742",
   "src/common/packed_cl_enums.json":
     "65150f52de0ece8f4280bbe4db52bf6f",
   "src/common/packed_egl_enums.json":
diff --git a/scripts/code_generation_hashes/proc_table.json b/scripts/code_generation_hashes/proc_table.json
index e398b02c7..70ccc0b20 100644
--- a/scripts/code_generation_hashes/proc_table.json
+++ b/scripts/code_generation_hashes/proc_table.json
@@ -2,7 +2,7 @@
   "scripts/egl_angle_ext.xml":
     "083c37ee3e2a2ae047a2344195220629",
   "scripts/gen_proc_table.py":
-    "101d1ce8880be0c061c05c20420d92f5",
+    "073351265b085943f816498cecaa281c",
   "scripts/gl.xml":
     "c79f59912f42e96ea958dddb5e029d47",
   "scripts/gl_angle_ext.xml":
diff --git a/scripts/code_generation_hashes/uniform_type.json b/scripts/code_generation_hashes/uniform_type.json
index 9c1335b54..f25afc56c 100644
--- a/scripts/code_generation_hashes/uniform_type.json
+++ b/scripts/code_generation_hashes/uniform_type.json
@@ -1,6 +1,6 @@
 {
   "src/common/gen_uniform_type_table.py":
-    "f57829d5e5b97ac1dcb8a95316736de9",
+    "8837f9f3fb0bc37adf015f3a2e446d11",
   "src/common/uniform_type_info_autogen.cpp":
     "85b351f2d5525d1af422a880e361a2bd"
 }
\ No newline at end of file
diff --git a/scripts/gen_proc_table.py b/scripts/gen_proc_table.py
index 4be953a2d..a7228f900 100644
--- a/scripts/gen_proc_table.py
+++ b/scripts/gen_proc_table.py
@@ -7,6 +7,7 @@
 #  Code generation for entry point loading tables.
 #  NOTE: don't run this script directly. Run scripts/run_code_generation.py.
 
+import os
 import sys
 import registry_xml
 
@@ -254,7 +255,7 @@ def main():
 
     with open(out_file_name_gles, 'w') as out_file:
         output_cpp = template_cpp.format(
-            script_name=sys.argv[0],
+            script_name=os.path.basename(sys.argv[0]),
             data_source_name="gl.xml, gl_angle_ext.xml, egl.xml, egl_angle_ext.xml",
             includes=includes_gles,
             cast="__eglMustCastToProperFunctionPointerType",
@@ -291,7 +292,7 @@ def main():
 
         with open(out_file_name, 'w') as out_file:
             output_cpp = template_cpp.format(
-                script_name=sys.argv[0],
+                script_name=os.path.basename(sys.argv[0]),
                 data_source_name="gl.xml, gl_angle_ext.xml, {}".format(xml_file_name),
                 includes=includes,
                 cast=cast,
@@ -330,7 +331,7 @@ def main():
 
     with open(out_file_name_cl, 'w') as out_file:
         output_cpp = template_map_cpp.format(
-            script_name=sys.argv[0],
+            script_name=os.path.basename(sys.argv[0]),
             data_source_name="cl.xml",
             includes=includes_cl,
             cast="void *",
@@ -341,7 +342,9 @@ def main():
 
     with open(out_file_name_cl_map, 'w') as out_file:
         output_map = template_map.format(
-            script_name=sys.argv[0], data_source_name="cl.xml", symbol_maps="\n".join(symbol_maps))
+            script_name=os.path.basename(sys.argv[0]),
+            data_source_name="cl.xml",
+            symbol_maps="\n".join(symbol_maps))
         out_file.write(output_map)
         out_file.close()
 
diff --git a/src/common/gen_packed_gl_enums.py b/src/common/gen_packed_gl_enums.py
index 3394f8a60..433b7ec1d 100644
--- a/src/common/gen_packed_gl_enums.py
+++ b/src/common/gen_packed_gl_enums.py
@@ -133,7 +133,7 @@ def write_header(enums, path_prefix, file_name, data_source_name, includes, name
     header = header_template.format(
         content=''.join(content),
         data_source_name=data_source_name,
-        script_name=sys.argv[0],
+        script_name=os.path.basename(sys.argv[0]),
         file_name=file_name,
         include_guard=generate_include_guard(file_name),
         includes=includes,
@@ -229,7 +229,7 @@ def write_cpp(enums, path_prefix, file_name, data_source_name, namespace, api_en
     cpp = cpp_template.format(
         content=''.join(content),
         data_source_name=data_source_name,
-        script_name=sys.argv[0],
+        script_name=os.path.basename(sys.argv[0]),
         file_name=file_name,
         header_name=header_name_from_cpp_name(file_name),
         namespace=namespace,
diff --git a/src/common/gen_uniform_type_table.py b/src/common/gen_uniform_type_table.py
index f47685f4b..a975efb53 100644
--- a/src/common/gen_uniform_type_table.py
+++ b/src/common/gen_uniform_type_table.py
@@ -7,6 +7,7 @@
 #  Code generation for OpenGL uniform type info tables.
 #  NOTE: don't run this script directly. Run scripts/run_code_generation.py.
 
+import os
 import sys
 
 all_uniform_types = [
@@ -272,7 +273,7 @@ def main():
 
     with open('uniform_type_info_autogen.cpp', 'wt') as out_file:
         output_cpp = template_cpp.format(
-            script_name=sys.argv[0],
+            script_name=os.path.basename(sys.argv[0]),
             total_count=len(all_uniform_types),
             uniform_type_info_data=uniform_type_info_data,
             uniform_type_index_cases=uniform_type_index_cases)
diff --git a/src/common/spirv/gen_spirv_builder_and_parser.py b/src/common/spirv/gen_spirv_builder_and_parser.py
index af271395f..5e8e9bc4e 100755
--- a/src/common/spirv/gen_spirv_builder_and_parser.py
+++ b/src/common/spirv/gen_spirv_builder_and_parser.py
@@ -224,7 +224,7 @@ class Writer:
         # Write out the files.
         data_source_base_name = os.path.basename(SPIRV_GRAMMAR_FILE)
         builder_template_args = {
-            'script_name': sys.argv[0],
+            'script_name': os.path.basename(sys.argv[0]),
             'data_source_name': data_source_base_name,
             'file_name': SPIRV_BUILDER_FILE,
             'file_name_capitalized': remove_chars(SPIRV_BUILDER_FILE.upper(), '_'),
@@ -234,7 +234,7 @@ class Writer:
             'function_list': ''.join(self.instruction_builder_impl)
         }
         parser_template_args = {
-            'script_name': sys.argv[0],
+            'script_name': os.path.basename(sys.argv[0]),
             'data_source_name': data_source_base_name,
             'file_name': SPIRV_PARSER_FILE,
             'file_name_capitalized': remove_chars(SPIRV_PARSER_FILE.upper(), '_'),
diff --git a/src/compiler/translator/gen_emulated_builtin_function_tables.py b/src/compiler/translator/gen_emulated_builtin_function_tables.py
index b59afeef8..2e758e39b 100644
--- a/src/compiler/translator/gen_emulated_builtin_function_tables.py
+++ b/src/compiler/translator/gen_emulated_builtin_function_tables.py
@@ -137,7 +137,7 @@ def main():
         emulated_functions += gen_emulated_function(item)
 
     hlsl_gen = template_emulated_builtin_functions_hlsl.format(
-        script_name=sys.argv[0],
+        script_name=os.path.basename(sys.argv[0]),
         data_source_name=input_script,
         emulated_functions="".join(emulated_functions))
 
diff --git a/src/libANGLE/gen_copy_conversion_table.py b/src/libANGLE/gen_copy_conversion_table.py
index b95750e13..de842e539 100644
--- a/src/libANGLE/gen_copy_conversion_table.py
+++ b/src/libANGLE/gen_copy_conversion_table.py
@@ -8,6 +8,7 @@
 #  NOTE: don't run this script directly. Run scripts/run_code_generation.py.
 
 import sys
+import os
 
 sys.path.append('renderer')
 import angle_format
@@ -102,7 +103,7 @@ def main():
 
     with open(out_file_name, 'wt') as out_file:
         output_cpp = template_cpp.format(
-            script_name=sys.argv[0],
+            script_name=os.path.basename(sys.argv[0]),
             data_source_name=data_source_name,
             texture_format_cases=texture_format_cases)
         out_file.write(output_cpp)
diff --git a/src/libANGLE/gen_format_map.py b/src/libANGLE/gen_format_map.py
index eb9e46a00..fef457f15 100644
--- a/src/libANGLE/gen_format_map.py
+++ b/src/libANGLE/gen_format_map.py
@@ -9,6 +9,7 @@
 #  NOTE: don't run this script directly. Run scripts/run_code_generation.py.
 
 import sys
+import os
 
 sys.path.append('renderer')
 import angle_format
@@ -193,7 +194,7 @@ def main():
 
     with open('format_map_autogen.cpp', 'wt') as out_file:
         output_cpp = template_cpp.format(
-            script_name=sys.argv[0],
+            script_name=os.path.basename(sys.argv[0]),
             data_source_name=input_script,
             es3_data_source_name=combo_data_file,
             format_cases=format_cases,
diff --git a/src/libANGLE/gen_overlay_fonts.py b/src/libANGLE/gen_overlay_fonts.py
index e0bc9f408..dce3b1317 100644
--- a/src/libANGLE/gen_overlay_fonts.py
+++ b/src/libANGLE/gen_overlay_fonts.py
@@ -203,7 +203,7 @@ def main():
     with open(out_file_h, 'w') as outfile:
         outfile.write(
             template_out_file_h.format(
-                script_name=__file__,
+                script_name=os.path.basename(__file__),
                 font_file=font_file,
                 out_file_name=out_file_h,
                 font_count=len(font_defs),
@@ -219,7 +219,7 @@ def main():
     with open(out_file_cpp, 'w') as outfile:
         outfile.write(
             template_out_file_cpp.format(
-                script_name=__file__,
+                script_name=os.path.basename(__file__),
                 font_file=font_file,
                 out_file_name=out_file_cpp,
                 total_font_data_size=total_font_data_size,
diff --git a/src/libANGLE/renderer/Format_table_autogen.cpp b/src/libANGLE/renderer/Format_table_autogen.cpp
index 4953bb95a..e2f6d41a4 100644
--- a/src/libANGLE/renderer/Format_table_autogen.cpp
+++ b/src/libANGLE/renderer/Format_table_autogen.cpp
@@ -18,7 +18,7 @@ namespace angle
 {
 
 static constexpr rx::FastCopyFunctionMap::Entry BGRAEntry  = {angle::FormatID::R8G8B8A8_UNORM,
-                                                             CopyBGRA8ToRGBA8};
+                                                              CopyBGRA8ToRGBA8};
 static constexpr rx::FastCopyFunctionMap BGRACopyFunctions = {&BGRAEntry, 1};
 static constexpr rx::FastCopyFunctionMap NoCopyFunctions;
 
diff --git a/src/libANGLE/renderer/d3d/d3d11/gen_texture_format_table.py b/src/libANGLE/renderer/d3d/d3d11/gen_texture_format_table.py
index b1a202b88..3912601ac 100644
--- a/src/libANGLE/renderer/d3d/d3d11/gen_texture_format_table.py
+++ b/src/libANGLE/renderer/d3d/d3d11/gen_texture_format_table.py
@@ -322,7 +322,7 @@ def main():
 
     angle_format_cases = parse_json_into_switch_angle_format_string(json_map, json_data)
     output_cpp = template_texture_format_table_autogen_cpp.format(
-        script_name=sys.argv[0],
+        script_name=os.path.basename(sys.argv[0]),
         angle_format_info_cases=angle_format_cases,
         data_source_name=data_source_name)
     with open('texture_format_table_autogen.cpp', 'wt') as out_file:
diff --git a/src/libANGLE/renderer/gen_angle_format_table.py b/src/libANGLE/renderer/gen_angle_format_table.py
index 8650950e1..1a7b19502 100644
--- a/src/libANGLE/renderer/gen_angle_format_table.py
+++ b/src/libANGLE/renderer/gen_angle_format_table.py
@@ -11,6 +11,7 @@
 import angle_format
 import json
 import math
+import os
 import pprint
 import re
 import sys
@@ -424,7 +425,7 @@ def main():
     angle_format_cases = parse_angle_format_table(all_angle, json_data, angle_to_gl)
     switch_data = gen_map_switch_string(gl_to_angle)
     output_cpp = template_autogen_inl.format(
-        script_name=sys.argv[0],
+        script_name=os.path.basename(sys.argv[0]),
         angle_format_info_cases=angle_format_cases,
         angle_format_switch=switch_data,
         data_source_name=data_source_name)
@@ -435,7 +436,7 @@ def main():
     enum_data = gen_enum_string(all_angle)
     num_angle_formats = len(all_angle)
     output_h = template_autogen_h.format(
-        script_name=sys.argv[0],
+        script_name=os.path.basename(sys.argv[0]),
         angle_format_enum=enum_data,
         data_source_name=data_source_name,
         num_angle_formats=num_angle_formats)
diff --git a/src/libANGLE/renderer/gen_dxgi_format_table.py b/src/libANGLE/renderer/gen_dxgi_format_table.py
index 1e1390aa1..17ca53b91 100644
--- a/src/libANGLE/renderer/gen_dxgi_format_table.py
+++ b/src/libANGLE/renderer/gen_dxgi_format_table.py
@@ -9,6 +9,7 @@
 
 import sys
 import angle_format
+import os
 
 from functools import reduce
 
@@ -146,7 +147,7 @@ def main():
 
     with open('dxgi_format_map_autogen.cpp', 'wt') as out_file:
         output_cpp = template_cpp.format(
-            script_name=sys.argv[0],
+            script_name=os.path.basename(sys.argv[0]),
             data_source_name=input_data,
             component_type_cases=component_cases,
             format_cases=format_cases)
diff --git a/src/libANGLE/renderer/metal/gen_mtl_format_table.py b/src/libANGLE/renderer/metal/gen_mtl_format_table.py
index 8db364b51..9409a4150 100644
--- a/src/libANGLE/renderer/metal/gen_mtl_format_table.py
+++ b/src/libANGLE/renderer/metal/gen_mtl_format_table.py
@@ -16,6 +16,7 @@
 
 import json
 import math
+import os
 import pprint
 import re
 import sys
@@ -706,7 +707,7 @@ def main():
     caps_init_str = gen_mtl_format_caps_init_string(map_image)
 
     output_cpp = template_autogen_inl.format(
-        script_name=sys.argv[0],
+        script_name=os.path.basename(sys.argv[0]),
         data_source_name=data_source_name,
         angle_image_format_switch=image_switch_data,
         mtl_pixel_format_switch=image_mtl_to_angle_switch_data,
diff --git a/src/libANGLE/renderer/metal/shaders/create_mtl_internal_shaders.py b/src/libANGLE/renderer/metal/shaders/create_mtl_internal_shaders.py
index 4ebe99266..cf9985944 100644
--- a/src/libANGLE/renderer/metal/shaders/create_mtl_internal_shaders.py
+++ b/src/libANGLE/renderer/metal/shaders/create_mtl_internal_shaders.py
@@ -56,7 +56,7 @@ def main():
     os.chdir(sys.path[0])
 
     boilerplate_code = template_header_boilerplate.format(
-        script_name=sys.argv[0], copyright_year=datetime.today().year)
+        script_name=os.path.basename(sys.argv[0]), copyright_year=datetime.today().year)
 
     # -------- Compile shaders -----------
     # boiler plate code
diff --git a/src/libANGLE/renderer/metal/shaders/gen_mtl_internal_shaders.py b/src/libANGLE/renderer/metal/shaders/gen_mtl_internal_shaders.py
index ca3b013c2..8c1245475 100644
--- a/src/libANGLE/renderer/metal/shaders/gen_mtl_internal_shaders.py
+++ b/src/libANGLE/renderer/metal/shaders/gen_mtl_internal_shaders.py
@@ -95,7 +95,8 @@ def main():
 
     os.chdir(sys.path[0])
 
-    boilerplate_code = template_header_boilerplate.format(script_name=sys.argv[0])
+    boilerplate_code = template_header_boilerplate.format(
+        script_name=os.path.basename(sys.argv[0]))
 
     # -------- Generate shader constants -----------
     angle_to_gl = angle_format.load_inverse_table('../../angle_format_map.json')
diff --git a/src/libANGLE/renderer/metal/shaders/mtl_default_shaders_src_autogen.inc b/src/libANGLE/renderer/metal/shaders/mtl_default_shaders_src_autogen.inc
index a97e0e26a..e8b3563de 100644
--- a/src/libANGLE/renderer/metal/shaders/mtl_default_shaders_src_autogen.inc
+++ b/src/libANGLE/renderer/metal/shaders/mtl_default_shaders_src_autogen.inc
@@ -14,7 +14,7 @@ static char gDefaultMetallibSrc[] = R"(
 # 1 "temp_master_source.metal"
 # 1 "<built-in>" 1
 # 1 "<built-in>" 3
-# 451 "<built-in>" 3
+# 453 "<built-in>" 3
 # 1 "<command line>" 1
 # 1 "<built-in>" 2
 # 1 "temp_master_source.metal" 2
diff --git a/src/libANGLE/renderer/metal/shaders/mtl_default_shaders_src_autogen.metal b/src/libANGLE/renderer/metal/shaders/mtl_default_shaders_src_autogen.metal
index 08efb0da6..6bef2ae61 100644
--- a/src/libANGLE/renderer/metal/shaders/mtl_default_shaders_src_autogen.metal
+++ b/src/libANGLE/renderer/metal/shaders/mtl_default_shaders_src_autogen.metal
@@ -11,7 +11,7 @@
 # 1 "temp_master_source.metal"
 # 1 "<built-in>" 1
 # 1 "<built-in>" 3
-# 451 "<built-in>" 3
+# 453 "<built-in>" 3
 # 1 "<command line>" 1
 # 1 "<built-in>" 2
 # 1 "temp_master_source.metal" 2