Add Chromium-only Blender WebEngine parity work

tools/web/generate-attribute-fixture.py

@@ -0,0 +1,92 @@
+import sys
+
+import bpy
+
+
+def main(output_path: str) -> None:
+    bpy.ops.wm.read_factory_settings(use_empty=True)
+
+    vertices = [
+        (-1.0, -1.0, 0.0),
+        (1.0, -1.0, 0.0),
+        (1.0, 1.0, 0.0),
+        (-1.0, 1.0, 0.0),
+        (0.0, 0.0, 1.0),
+    ]
+    faces = [(0, 1, 2, 3), (0, 3, 4)]
+    mesh = bpy.data.meshes.new("AttributeMesh")
+    mesh.from_pydata(vertices, [], faces)
+    mesh.update()
+
+    uv_layer = mesh.uv_layers.new(name="UVMap")
+    uv_values = [
+        (0.0, 0.0),
+        (1.0, 0.0),
+        (1.0, 1.0),
+        (0.0, 1.0),
+        (0.0, 1.0),
+        (0.5, 0.0),
+        (1.0, 1.0),
+    ]
+    for loop, uv in zip(uv_layer.data, uv_values):
+        loop.uv = uv
+
+    color_layer = mesh.color_attributes.new(name="CornerColor", type="FLOAT_COLOR", domain="CORNER")
+    colors = [
+        (1.0, 0.0, 0.0, 1.0),
+        (0.0, 1.0, 0.0, 1.0),
+        (0.0, 0.0, 1.0, 1.0),
+        (1.0, 1.0, 0.0, 1.0),
+        (1.0, 0.0, 1.0, 1.0),
+        (0.0, 1.0, 1.0, 1.0),
+        (1.0, 1.0, 1.0, 1.0),
+    ]
+    for color, value in zip(color_layer.data, colors):
+        color.color = value
+
+    first = bpy.data.materials.new("AttributeRed")
+    first.diffuse_color = (1.0, 0.1, 0.1, 1.0)
+    first.use_nodes = True
+    principled = first.node_tree.nodes.get("Principled BSDF")
+    if principled:
+        principled.inputs["Base Color"].default_value = (0.8, 0.05, 0.02, 1.0)
+        principled.inputs["Metallic"].default_value = 0.25
+        principled.inputs["Roughness"].default_value = 0.35
+        if principled.inputs.get("IOR"):
+            principled.inputs["IOR"].default_value = 1.33
+        if principled.inputs.get("Alpha"):
+            principled.inputs["Alpha"].default_value = 0.8
+        if principled.inputs.get("Emission Color"):
+            principled.inputs["Emission Color"].default_value = (0.02, 0.01, 0.0, 1.0)
+        elif principled.inputs.get("Emission"):
+            principled.inputs["Emission"].default_value = (0.02, 0.01, 0.0, 1.0)
+        image = bpy.data.images.new("AttributeTexture", width=2, height=2)
+        image.source = "FILE"
+        image.filepath = "textures/attribute.png"
+        texture = first.node_tree.nodes.new("ShaderNodeTexImage")
+        texture.image = image
+        first.node_tree.links.new(texture.outputs["Color"], principled.inputs["Base Color"])
+    second = bpy.data.materials.new("AttributeBlue")
+    second.diffuse_color = (0.1, 0.1, 1.0, 1.0)
+    mesh.materials.append(first)
+    mesh.materials.append(second)
+    mesh.polygons[0].material_index = 0
+    mesh.polygons[1].material_index = 1
+
+    obj = bpy.data.objects.new("AttributeMeshObject", mesh)
+    bpy.context.collection.objects.link(obj)
+    obj.scale = (-1.0, 1.0, 1.0)
+    obj.select_set(True)
+    bpy.context.view_layer.objects.active = obj
+
+    scene = bpy.context.scene
+    scene.frame_start = 1
+    scene.frame_end = 24
+    scene.render.fps = 24
+    bpy.ops.wm.save_as_mainfile(filepath=output_path, compress=True)
+
+
+if __name__ == "__main__":
+    if "--" not in sys.argv or len(sys.argv) <= sys.argv.index("--") + 1:
+        raise SystemExit("usage: blender -b --python generate-attribute-fixture.py -- output.blend")
+    main(sys.argv[sys.argv.index("--") + 1])