From 04bf0f3eb63ddbe6eed351712b8a932c319d8044 Mon Sep 17 00:00:00 2001
From: Campbell Barton <campbell@blender.org>
Date: Sat, 19 Aug 2023 17:41:14 +1000
Subject: [PATCH] License headers: add SPDX copyright entries for '*.msl' files

---
 source/blender/gpu/metal/kernels/compute_texture_read.msl   | 4 ++++
 source/blender/gpu/metal/kernels/compute_texture_update.msl | 4 ++++
 source/blender/gpu/shaders/metal/mtl_shader_common.msl      | 4 +++-
 source/blender/gpu/shaders/metal/mtl_shader_defines.msl     | 4 +++-
 tools/check_source/check_licenses.py                        | 2 ++
 5 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/source/blender/gpu/metal/kernels/compute_texture_read.msl b/source/blender/gpu/metal/kernels/compute_texture_read.msl
index 6c099024f7a..a000b552480 100644
--- a/source/blender/gpu/metal/kernels/compute_texture_read.msl
+++ b/source/blender/gpu/metal/kernels/compute_texture_read.msl
@@ -1,3 +1,7 @@
+/* SPDX-FileCopyrightText: 2022 Blender Authors
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later */
+
 /* MATCHING eGPUTextureType. */
 #define GPU_TEXTURE_1D (1 << 0)
 #define GPU_TEXTURE_2D (1 << 1)
diff --git a/source/blender/gpu/metal/kernels/compute_texture_update.msl b/source/blender/gpu/metal/kernels/compute_texture_update.msl
index 43c746e0afa..cb3e3f11f06 100644
--- a/source/blender/gpu/metal/kernels/compute_texture_update.msl
+++ b/source/blender/gpu/metal/kernels/compute_texture_update.msl
@@ -1,3 +1,7 @@
+/* SPDX-FileCopyrightText: 2022 Blender Authors
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later */
+
 using namespace metal;
 
 /* MATCHING eGPUTextureType. */
diff --git a/source/blender/gpu/shaders/metal/mtl_shader_common.msl b/source/blender/gpu/shaders/metal/mtl_shader_common.msl
index 75d97c89f2c..aaf35ec9990 100644
--- a/source/blender/gpu/shaders/metal/mtl_shader_common.msl
+++ b/source/blender/gpu/shaders/metal/mtl_shader_common.msl
@@ -1,4 +1,6 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* SPDX-FileCopyrightText: 2022 Blender Authors
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later */
 
 /* Common Metal header to be included in all compiled Metal shaders.
  * Both native MSL shaders and GLSL shaders. */
diff --git a/source/blender/gpu/shaders/metal/mtl_shader_defines.msl b/source/blender/gpu/shaders/metal/mtl_shader_defines.msl
index 5e904c9e65b..5597ae0e4e5 100644
--- a/source/blender/gpu/shaders/metal/mtl_shader_defines.msl
+++ b/source/blender/gpu/shaders/metal/mtl_shader_defines.msl
@@ -1,4 +1,6 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* SPDX-FileCopyrightText: 2022 Blender Authors
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later */
 
 /** Special header for mapping commonly defined tokens to API-specific variations.
  * Where possible, this will adhere closely to base GLSL, where semantics are the same.
diff --git a/tools/check_source/check_licenses.py b/tools/check_source/check_licenses.py
index f0fa28346c9..9b55970fa5c 100644
--- a/tools/check_source/check_licenses.py
+++ b/tools/check_source/check_licenses.py
@@ -94,6 +94,8 @@ def filename_is_c_compat(filename: str) -> bool:
             ".cu",
             # Metal.
             ".metal",
+            # Metal Shading Language.
+            ".msl",
             # Open Shading Language.
             ".osl",
             # Cycles uses this extension.