Add Chromium-only Blender WebEngine parity work

blender-5.2.0/tests/python/overlay_render_tests.py

@@ -0,0 +1,102 @@
+#!/usr/bin/env python3
+# SPDX-FileCopyrightText: 2025 Blender Authors
+#
+# SPDX-License-Identifier: Apache-2.0
+
+import argparse
+import importlib.util
+import os
+import platform
+import subprocess
+import sys
+from pathlib import Path
+import sys
+
+from modules import render_report
+
+
+class OverlayReport(render_report.Report):
+    def __init__(self, title, output_dir, oiiotool, variation=None, blocklist=[]):
+        super().__init__(title, output_dir, oiiotool, variation=variation, blocklist=blocklist)
+        self.gpu_backend = variation
+
+    def _get_render_arguments(self, arguments_cb, filepath, base_output_filepath):
+        return arguments_cb(filepath, base_output_filepath, gpu_backend=self.gpu_backend)
+
+
+def get_arguments(filepath, output_filepath, gpu_backend):
+    arguments = [
+        "--no-window-focus",
+        "--window-geometry",
+        "0", "0", "128", "128",
+        "-noaudio",
+        "--factory-startup",
+        "--no-native-pixels",
+        "--enable-autoexec",
+        "--debug-memory",
+        "--console-crash-handler",
+        "--debug-exit-on-error"]
+
+    if gpu_backend:
+        arguments.extend(["--gpu-backend", gpu_backend])
+
+    # Windows separators get messed up when passing them inside the python expression
+    output_filepath = output_filepath.replace("\\", "/")
+
+    script_name = Path(filepath).stem + ".py"
+    current_dir = os.path.dirname(os.path.realpath(__file__))
+    script_filepath = os.path.join(current_dir, "overlay", script_name)
+
+    arguments.extend([
+        filepath,
+        "--python-expr",
+        f'import bpy; bpy.context.scene.render.filepath = "{output_filepath}"',
+        "-P",
+        script_filepath])
+
+    return arguments
+
+
+def create_argparse():
+    parser = argparse.ArgumentParser(
+        description="Run test script for each blend file in TESTDIR, comparing the render result with known output."
+    )
+    parser.add_argument("--blender", required=True)
+    parser.add_argument("--testdir", required=True)
+    parser.add_argument("--outdir", required=True)
+    parser.add_argument("--oiiotool", required=True)
+    parser.add_argument('--batch', default=False, action='store_true')
+    parser.add_argument('--gpu-backend')
+    return parser
+
+
+def main():
+    parser = create_argparse()
+    args = parser.parse_args()
+
+    report = OverlayReport("Overlay", args.outdir, args.oiiotool, variation=args.gpu_backend)
+    if args.gpu_backend == "vulkan":
+        report.set_compare_engine('overlay', 'opengl')
+    else:
+        report.set_compare_engine('workbench', 'opengl')
+    report.set_pixelated(True)
+    report.set_reference_dir("overlay_renders")
+
+    test_dir_name = Path(args.testdir).name
+    gpu_vendor = render_report.get_gpu_device_vendor(args.blender)
+
+    if gpu_vendor == 'INTEL':
+        # Intel shows larger differences in Point Primitive coordinates,
+        # affecting the coverage of FaceDots and similar overlays.
+        # This means reference images should not be rendered on Intel.
+        report.set_fail_threshold(0.05)
+    else:
+        report.set_fail_threshold(0.02)
+
+    ok = report.run(args.testdir, args.blender, get_arguments, batch=args.batch)
+
+    sys.exit(not ok)
+
+
+if __name__ == "__main__":
+    main()