Add Chromium-only Blender WebEngine parity work

blender-5.2.0/intern/cycles/blender/addon/maketx.py

@@ -0,0 +1,106 @@
+# SPDX-FileCopyrightText: 2026 Blender Authors
+#
+# SPDX-License-Identifier: Apache-2.0
+
+import pathlib
+import sys
+
+
+def argparse_create():
+    import argparse
+
+    parser = argparse.ArgumentParser(
+        prog=pathlib.Path(sys.argv[0]).name + " --command maketx",
+        description=(
+            "Generate Cycles texture cache (.tx) files.\n"
+            "\n"
+            "When a file path is given, generate a tx file for that image.\n"
+            "When no file path is given, a blend file must be loaded and tx\n"
+            "files are generated for all images used by shader node trees."
+        ),
+        formatter_class=argparse.RawDescriptionHelpFormatter,
+    )
+
+    parser.add_argument(
+        "filepath",
+        type=str,
+        nargs="?",
+        default=None,
+        help="Source image file path. If omitted, generate for all images in the blend file.",
+    )
+
+    parser.add_argument(
+        "--colorspace",
+        dest="colorspace",
+        type=str,
+        default="auto",
+        help="Color space name. Auto-detected if omitted. Only used with a file path.",
+    )
+
+    parser.add_argument(
+        "--alpha-type",
+        dest="alpha_type",
+        type=str,
+        default="auto",
+        choices=["straight", "premultiplied", "channel_packed", "none", "auto"],
+        help="Alpha type. Auto-detected if omitted. Only used with a file path.",
+    )
+
+    parser.add_argument(
+        "--cache-dir",
+        dest="cache_dir",
+        type=str,
+        default="",
+        help="Output directory for tx files, relative to source image or absolute.",
+    )
+
+    return parser
+
+
+def maketx_command(argv):
+    parser = argparse_create()
+    args = parser.parse_args(argv)
+
+    if args.filepath is not None:
+        return maketx_file(args)
+    else:
+        return maketx_blend(args, parser)
+
+
+def maketx_file(args):
+    import _cycles
+
+    filepath = str(pathlib.Path(args.filepath).absolute())
+
+    try:
+        out_filepath = _cycles.maketx(
+            filepath,
+            colorspace=args.colorspace,
+            alpha_type=args.alpha_type,
+            cache_dir=args.cache_dir,
+        )
+    except RuntimeError as ex:
+        sys.stderr.write("Error: {:s}\n".format(str(ex)))
+        return 1
+
+    print(out_filepath)
+    return 0
+
+
+def maketx_blend(args, parser):
+    import bpy
+
+    if not bpy.data.filepath:
+        parser.error("No image file path given and no blend file loaded.")
+
+    if args.colorspace != "auto":
+        parser.error("--colorspace is only used with an image file path argument.")
+
+    if args.alpha_type != "auto":
+        parser.error("--alpha-type is only used with an image file path argument.")
+
+    if args.cache_dir:
+        bpy.context.preferences.filepaths.texture_cache_directory = args.cache_dir
+
+    bpy.ops.render.generate_texture_cache()
+    return 0