build_files/utils/make_utils.py

@@ -115,7 +115,8 @@ def git_branch(git_command: str) -> str:
 
     try:
         branch = subprocess.check_output([git_command, "rev-parse", "--abbrev-ref", "HEAD"])
-    except subprocess.CalledProcessError as e:
+    except subprocess.CalledProcessError:
+        # No need to print the exception, error text is written to the output already.
         sys.stderr.write("Failed to get Blender git branch\n")
         sys.exit(1)
 

doc/python_api/examples/bpy.types.FileHandler.2.py

@@ -16,10 +16,11 @@ This ``directory`` and ``files`` properties now will be used by the
 """
 
 import bpy
+from bpy_extras.io_utils import ImportHelper
 from mathutils import Vector
 
 
-class ShaderScriptImport(bpy.types.Operator):
+class ShaderScriptImport(bpy.types.Operator, ImportHelper):
     """Test importer that creates scripts nodes from .txt files"""
     bl_idname = "shader.script_import"
     bl_label = "Import a text file as a script node"
@@ -28,8 +29,11 @@ class ShaderScriptImport(bpy.types.Operator):
     This Operator can import multiple .txt files, we need following directory and files
     properties that the file handler will use to set files path data
     """
-    directory: bpy.props.StringProperty(subtype='FILE_PATH', options={'SKIP_SAVE'})
-    files: bpy.props.CollectionProperty(type=bpy.types.OperatorFileListElement, options={'SKIP_SAVE'})
+    directory: bpy.props.StringProperty(subtype='FILE_PATH', options={'SKIP_SAVE', 'HIDDEN'})
+    files: bpy.props.CollectionProperty(type=bpy.types.OperatorFileListElement, options={'SKIP_SAVE', 'HIDDEN'})
+
+    """Allow the user to select if the node's label is set or not"""
+    set_label: bpy.props.BoolProperty(name="Set Label", default=False)
 
     @classmethod
     def poll(cls, context):
@@ -57,23 +61,26 @@ class ShaderScriptImport(bpy.types.Operator):
                 filepath = os.path.join(self.directory, file.name)
                 text_node.filepath = filepath
                 text_node.location = Vector((x, y))
+
+                # Set the node's title to the file name
+                if self.set_label:
+                    text_node.label = file.name
+
                 x += 20.0
                 y -= 20.0
         return {'FINISHED'}
 
     """
-    By default the file handler invokes the operator with the directory and files properties set.
-    In this example if this properties are set the operator is executed, if not the
-    file select window is invoked.
-    This depends on setting ``options={'SKIP_SAVE'}`` to the properties options to avoid
-    to reuse filepath data between operator calls.
+    Use ImportHelper's invoke_popup() to handle the invocation so that this operator's properties
+    are shown in a popup. This allows the user to configure additional settings on the operator like
+    the `set_label` property. Consider having a draw() method on the operator in order to layout the
+    properties in the UI appropriately.
+
+    If filepath information is not provided the file select window will be invoked instead.
     """
 
     def invoke(self, context, event):
-        if self.directory:
-            return self.execute(context)
-        context.window_manager.fileselect_add(self)
-        return {'RUNNING_MODAL'}
+        return self.invoke_popup(context)
 
 
 class SHADER_FH_script_import(bpy.types.FileHandler):

intern/cycles/CMakeLists.txt

@@ -219,10 +219,6 @@ endif()
 
 if(WITH_CYCLES_OSL)
   add_definitions(-DWITH_OSL)
-  # osl 1.9.x
-  add_definitions(-DOSL_STATIC_BUILD)
-  # pre 1.9
-  add_definitions(-DOSL_STATIC_LIBRARY)
   include_directories(
     SYSTEM
     ${OSL_INCLUDE_DIR}

intern/cycles/blender/CMakeLists.txt

@@ -142,6 +142,12 @@ if(WITH_OPENIMAGEDENOISE)
   )
 endif()
 
+if(WITH_CYCLES_OSL)
+  list(APPEND LIB
+    ${OSL_LIBRARIES}
+  )
+endif()
+
 blender_add_lib(bf_intern_cycles "${SRC}" "${INC}" "${INC_SYS}" "${LIB}")
 
 add_dependencies(bf_intern_cycles bf_rna)

intern/cycles/device/CMakeLists.txt

@@ -203,6 +203,13 @@ if(WITH_OPENIMAGEDENOISE)
   )
 endif()
 
+if(WITH_CYCLES_OSL)
+  list(APPEND LIB
+    ${OSL_LIBRARIES}
+  )
+endif()
+
+
 include_directories(${INC})
 include_directories(SYSTEM ${INC_SYS})
 

intern/cycles/kernel/osl/shaders/node_noise.h

@@ -7,76 +7,82 @@
 
 #define vector3 point
 
-float safe_noise(float p)
+float safe_noise(float co)
 {
-  float f = noise("noise", p);
-  if (isinf(f)) {
-    return 0.5;
-  }
-  return f;
+  /* Repeat Perlin noise texture every 100000.0 on each axis to prevent floating point
+   * representation issues. */
+  float p = fmod(co, 100000.0);
+
+  return noise("noise", p);
 }
 
-float safe_noise(vector2 p)
+float safe_noise(vector2 co)
 {
-  float f = noise("noise", p.x, p.y);
-  if (isinf(f)) {
-    return 0.5;
-  }
-  return f;
+  /* Repeat Perlin noise texture every 100000.0 on each axis to prevent floating point
+   * representation issues. This causes discontinuities every 100000.0, however at such scales this
+   * usually shouldn't be noticeable. */
+  vector2 p = fmod(co, 100000.0);
+
+  return noise("noise", p.x, p.y);
 }
 
-float safe_noise(vector3 p)
+float safe_noise(vector3 co)
 {
-  float f = noise("noise", p);
-  if (isinf(f)) {
-    return 0.5;
-  }
-  return f;
+  /* Repeat Perlin noise texture every 100000.0 on each axis to prevent floating point
+   * representation issues. This causes discontinuities every 100000.0, however at such scales this
+   * usually shouldn't be noticeable. */
+  vector3 p = fmod(co, 100000.0);
+
+  return noise("noise", p);
 }
 
-float safe_noise(vector4 p)
+float safe_noise(vector4 co)
 {
-  float f = noise("noise", vector3(p.x, p.y, p.z), p.w);
-  if (isinf(f)) {
-    return 0.5;
-  }
-  return f;
+  /* Repeat Perlin noise texture every 100000.0 on each axis to prevent floating point
+   * representation issues. This causes discontinuities every 100000.0, however at such scales this
+   * usually shouldn't be noticeable. */
+  vector4 p = fmod(co, 100000.0);
+
+  return noise("noise", vector3(p.x, p.y, p.z), p.w);
 }
 
-float safe_snoise(float p)
+float safe_snoise(float co)
 {
-  float f = noise("snoise", p);
-  if (isinf(f)) {
-    return 0.0;
-  }
-  return f;
+  /* Repeat Perlin noise texture every 100000.0 on each axis to prevent floating point
+   * representation issues. */
+  float p = fmod(co, 100000.0);
+
+  return noise("snoise", p);
 }
 
-float safe_snoise(vector2 p)
+float safe_snoise(vector2 co)
 {
-  float f = noise("snoise", p.x, p.y);
-  if (isinf(f)) {
-    return 0.0;
-  }
-  return f;
+  /* Repeat Perlin noise texture every 100000.0 on each axis to prevent floating point
+   * representation issues. This causes discontinuities every 100000.0, however at such scales this
+   * usually shouldn't be noticeable. */
+  vector2 p = fmod(co, 100000.0);
+
+  return noise("snoise", p.x, p.y);
 }
 
-float safe_snoise(vector3 p)
+float safe_snoise(vector3 co)
 {
-  float f = noise("snoise", p);
-  if (isinf(f)) {
-    return 0.0;
-  }
-  return f;
+  /* Repeat Perlin noise texture every 100000.0 on each axis to prevent floating point
+   * representation issues. This causes discontinuities every 100000.0, however at such scales this
+   * usually shouldn't be noticeable. */
+  vector3 p = fmod(co, 100000.0);
+
+  return noise("snoise", p);
 }
 
-float safe_snoise(vector4 p)
+float safe_snoise(vector4 co)
 {
-  float f = noise("snoise", vector3(p.x, p.y, p.z), p.w);
-  if (isinf(f)) {
-    return 0.0;
-  }
-  return f;
+  /* Repeat Perlin noise texture every 100000.0 on each axis to prevent floating point
+   * representation issues. This causes discontinuities every 100000.0, however at such scales this
+   * usually shouldn't be noticeable. */
+  vector4 p = fmod(co, 100000.0);
+
+  return noise("snoise", vector3(p.x, p.y, p.z), p.w);
 }
 
 #define NOISE_FBM(T) \

intern/cycles/kernel/svm/noise.h

@@ -684,7 +684,12 @@ ccl_device_inline float noise_scale4(float result)
 
 ccl_device_inline float snoise_1d(float p)
 {
-  return noise_scale1(ensure_finite(perlin_1d(p)));
+  /* Repeat Perlin noise texture every 100000.0 on each axis to prevent floating point
+   * representation issues. */
+  /* The 1D variant of fmod is called fmodf. */
+  p = fmodf(p, 100000.0f);
+
+  return noise_scale1(perlin_1d(p));
 }
 
 ccl_device_inline float noise_1d(float p)
@@ -694,7 +699,12 @@ ccl_device_inline float noise_1d(float p)
 
 ccl_device_inline float snoise_2d(float2 p)
 {
-  return noise_scale2(ensure_finite(perlin_2d(p.x, p.y)));
+  /* Repeat Perlin noise texture every 100000.0f on each axis to prevent floating point
+   * representation issues. This causes discontinuities every 100000.0f, however at such scales
+   * this usually shouldn't be noticeable. */
+  p = fmod(p, 100000.0f);
+
+  return noise_scale2(perlin_2d(p.x, p.y));
 }
 
 ccl_device_inline float noise_2d(float2 p)
@@ -704,7 +714,12 @@ ccl_device_inline float noise_2d(float2 p)
 
 ccl_device_inline float snoise_3d(float3 p)
 {
-  return noise_scale3(ensure_finite(perlin_3d(p.x, p.y, p.z)));
+  /* Repeat Perlin noise texture every 100000.0f on each axis to prevent floating point
+   * representation issues. This causes discontinuities every 100000.0f, however at such scales
+   * this usually shouldn't be noticeable. */
+  p = fmod(p, 100000.0f);
+
+  return noise_scale3(perlin_3d(p.x, p.y, p.z));
 }
 
 ccl_device_inline float noise_3d(float3 p)
@@ -714,7 +729,12 @@ ccl_device_inline float noise_3d(float3 p)
 
 ccl_device_inline float snoise_4d(float4 p)
 {
-  return noise_scale4(ensure_finite(perlin_4d(p.x, p.y, p.z, p.w)));
+  /* Repeat Perlin noise texture every 100000.0f on each axis to prevent floating point
+   * representation issues. This causes discontinuities every 100000.0f, however at such scales
+   * this usually shouldn't be noticeable. */
+  p = fmod(p, 100000.0f);
+
+  return noise_scale4(perlin_4d(p.x, p.y, p.z, p.w));
 }
 
 ccl_device_inline float noise_4d(float4 p)

intern/cycles/scene/CMakeLists.txt

@@ -107,6 +107,7 @@ endif()
 if(WITH_CYCLES_OSL)
   list(APPEND LIB
     cycles_kernel_osl
+    ${OSL_LIBRARIES}
   )
 endif()
 

intern/cycles/util/math_float2.h

@@ -198,6 +198,11 @@ ccl_device_inline float2 clamp(const float2 a, const float2 mn, const float2 mx)
   return min(max(a, mn), mx);
 }
 
+ccl_device_inline float2 fmod(const float2 a, const float b)
+{
+  return make_float2(fmodf(a.x, b), fmodf(a.y, b));
+}
+
 ccl_device_inline float2 fabs(const float2 a)
 {
   return make_float2(fabsf(a.x), fabsf(a.y));

intern/cycles/util/math_float3.h

@@ -309,6 +309,11 @@ ccl_device_inline float3 fabs(const float3 a)
 #  endif
 }
 
+ccl_device_inline float3 fmod(const float3 a, const float b)
+{
+  return make_float3(fmodf(a.x, b), fmodf(a.y, b), fmodf(a.z, b));
+}
+
 ccl_device_inline float3 sqrt(const float3 a)
 {
 #  ifdef __KERNEL_SSE__

intern/cycles/util/math_float4.h

@@ -465,6 +465,11 @@ ccl_device_inline float4 fabs(const float4 a)
 #  endif
 }
 
+ccl_device_inline float4 fmod(const float4 a, const float b)
+{
+  return make_float4(fmodf(a.x, b), fmodf(a.y, b), fmodf(a.z, b), fmodf(a.w, b));
+}
+
 ccl_device_inline float4 floor(const float4 a)
 {
 #  ifdef __KERNEL_SSE__

intern/rigidbody/RBI_api.h

@@ -210,7 +210,7 @@ rbCollisionShape *RB_shape_new_cylinder(float radius, float height);
 /* Setup (Convex Hull) ------------ */
 
 rbCollisionShape *RB_shape_new_convex_hull(
-    float *verts, int stride, int count, float margin, bool *can_embed);
+    const float *verts, int stride, int count, float margin, bool *can_embed);
 
 /* Setup (Triangle Mesh) ---------- */
 
@@ -244,7 +244,7 @@ float RB_shape_get_margin(rbCollisionShape *shape);
 void RB_shape_set_margin(rbCollisionShape *shape, float value);
 
 void RB_shape_trimesh_update(rbCollisionShape *shape,
-                             float *vertices,
+                             const float *vertices,
                              int num_verts,
                              int vert_stride,
                              const float min[3],

intern/rigidbody/rb_bullet_api.cpp

@@ -712,7 +712,7 @@ rbCollisionShape *RB_shape_new_cylinder(float radius, float height)
 /* Setup (Convex Hull) ------------ */
 
 rbCollisionShape *RB_shape_new_convex_hull(
-    float *verts, int stride, int count, float margin, bool *can_embed)
+    const float *verts, int stride, int count, float margin, bool *can_embed)
 {
   btConvexHullComputer hull_computer = btConvexHullComputer();
 
@@ -800,7 +800,7 @@ rbCollisionShape *RB_shape_new_trimesh(rbMeshData *mesh)
 }
 
 void RB_shape_trimesh_update(rbCollisionShape *shape,
-                             float *vertices,
+                             const float *vertices,
                              int num_verts,
                              int vert_stride,
                              const float min[3],

release/datafiles/assets

@@ -1 +1 @@
-Subproject commit 1d44611dd36032c1889c66d673801ef7d699f592
+Subproject commit 0b910c0a718a1d54d07ecf95c63617576ee9a847

scripts/modules/bpy_extras/io_utils.py

@@ -23,7 +23,10 @@ from bpy.props import (
     EnumProperty,
     StringProperty,
 )
-from bpy.app.translations import pgettext_data as data_
+from bpy.app.translations import (
+    pgettext_iface as iface_,
+    pgettext_data as data_,
+)
 
 
 def _check_axis_conversion(op):
@@ -96,12 +99,29 @@ class ImportHelper:
         description="Filepath used for importing the file",
         maxlen=1024,
         subtype='FILE_PATH',
+        options={'SKIP_PRESET', 'HIDDEN'}
     )
 
     def invoke(self, context, _event):
         context.window_manager.fileselect_add(self)
         return {'RUNNING_MODAL'}
 
+    def invoke_popup(self, context, confirm_text=""):
+        if self.properties.is_property_set("filepath"):
+            title = self.filepath
+            if len(self.files) > 1:
+                title = iface_("Import {} files").format(len(self.files))
+
+            if not confirm_text:
+                confirm_text = self.bl_label
+
+            confirm_text = iface_(confirm_text)
+            return context.window_manager.invoke_props_dialog(
+                self, confirm_text=confirm_text, title=title, translate=False)
+
+        context.window_manager.fileselect_add(self)
+        return {'RUNNING_MODAL'}
+
     def check(self, _context):
         return _check_axis_conversion(self)
 
@@ -394,6 +414,19 @@ def unpack_face_list(list_of_tuples):
     return flat_ls
 
 
+def poll_file_object_drop(context):
+    """
+    A default implementation for FileHandler poll_drop methods. Allows for both the 3D Viewport and
+    the Outliner (in ViewLayer display mode) to be targets for file drag and drop.
+    """
+    area = context.area
+    if not area:
+        return False
+    is_v3d = area.type == 'VIEW_3D'
+    is_outliner_view_layer = area.type == 'OUTLINER' and area.spaces.active.display_mode == 'VIEW_LAYER'
+    return is_v3d or is_outliner_view_layer
+
+
 path_reference_mode = EnumProperty(
     name="Path Mode",
     description="Method used to reference paths",

scripts/presets/keyconfig/keymap_data/blender_default.py

@@ -2330,8 +2330,7 @@ def km_file_browser(params):
         ("file.next", {"type": 'BACK_SPACE', "value": 'PRESS', "shift": True}, None),
         ("wm.context_toggle", {"type": 'H', "value": 'PRESS'},
          {"properties": [("data_path", 'space_data.params.show_hidden')]}),
-        ("file.directory_new", {"type": 'I', "value": 'PRESS'},
-         {"properties": [("confirm", False)]}),
+        ("file.directory_new", {"type": 'I', "value": 'PRESS'}, None),
         ("file.rename", {"type": 'F2', "value": 'PRESS'}, None),
         ("file.delete", {"type": 'X', "value": 'PRESS'}, None),
         ("file.delete", {"type": 'DEL', "value": 'PRESS'}, None),
@@ -7917,6 +7916,21 @@ def km_3d_view_tool_sculpt_lasso_hide(params):
     )
 
 
+def km_3d_view_tool_sculpt_line_hide(params):
+    return (
+        "3D View Tool: Sculpt, Line Hide",
+        {"space_type": 'VIEW_3D', "region_type": 'WINDOW'},
+        {"items": [
+            ("paint.hide_show_line_gesture", params.tool_maybe_tweak_event,
+             {"properties": [("action", 'HIDE')]}),
+            ("paint.hide_show_line_gesture", {**params.tool_maybe_tweak_event, "ctrl": True},
+             {"properties": [("action", 'SHOW')]}),
+            ("paint.hide_show_all", {"type": params.select_mouse, "value": params.select_mouse_value},
+             {"properties": [("action", 'SHOW')]}),
+        ]},
+    )
+
+
 def km_3d_view_tool_sculpt_box_mask(params):
     return (
         "3D View Tool: Sculpt, Box Mask",
@@ -8763,6 +8777,7 @@ def generate_keymaps(params=None):
         km_3d_view_tool_edit_curves_draw(params),
         km_3d_view_tool_sculpt_box_hide(params),
         km_3d_view_tool_sculpt_lasso_hide(params),
+        km_3d_view_tool_sculpt_line_hide(params),
         km_3d_view_tool_sculpt_box_mask(params),
         km_3d_view_tool_sculpt_lasso_mask(params),
         km_3d_view_tool_sculpt_box_face_set(params),

scripts/presets/keyconfig/keymap_data/industry_compatible_data.py

@@ -1240,8 +1240,7 @@ def km_file_browser(params):
         ("file.next", {"type": 'BACK_SPACE', "value": 'PRESS', "shift": True}, None),
         ("wm.context_toggle", {"type": 'H', "value": 'PRESS'},
          {"properties": [("data_path", 'space_data.params.show_hidden')]}),
-        ("file.directory_new", {"type": 'I', "value": 'PRESS'},
-         {"properties": [("confirm", False)]}),
+        ("file.directory_new", {"type": 'I', "value": 'PRESS'}, None),
         ("file.rename", {"type": 'F2', "value": 'PRESS'}, None),
         ("file.delete", {"type": 'DEL', "value": 'PRESS'}, None),
         ("file.smoothscroll", {"type": 'TIMER1', "value": 'ANY', "any": True}, None),

scripts/startup/bl_operators/anim.py

@@ -530,11 +530,12 @@ class ARMATURE_OT_copy_bone_color_to_selected(Operator):
 
 
 def _armature_from_context(context):
-    pin_armature = getattr(context, 'armature', None)
+    pin_armature = getattr(context, "armature", None)
     if pin_armature:
         return pin_armature
-    if context.object and context.object.type == 'ARMATURE':
-        return context.object.data
+    ob = context.object
+    if ob and ob.type == 'ARMATURE':
+        return ob.data
     return None
 
 

scripts/startup/bl_operators/file.py

@@ -270,8 +270,8 @@ class WM_OT_blend_strings_utf8_validate(Operator):
                 continue
             if prop.type == 'STRING':
                 val_bytes = item.path_resolve(prop.identifier, False).as_bytes()
-                val_utf8 = val_bytes.decode('utf-8', 'replace')
-                val_bytes_valid = val_utf8.encode('utf-8')
+                val_utf8 = val_bytes.decode("utf-8", "replace")
+                val_bytes_valid = val_utf8.encode("utf-8")
                 if val_bytes_valid != val_bytes:
                     print("found bad utf8 encoded string %r, fixing to %r (%r)..."
                           "" % (val_bytes, val_bytes_valid, val_utf8))

scripts/startup/bl_operators/geometry_nodes.py

@@ -48,7 +48,8 @@ def geometry_node_group_empty_tool_new(context):
     group.use_fake_user = True
     group.is_tool = True
 
-    ob_type = context.object.type if context.object else 'MESH'
+    ob = context.object
+    ob_type = ob.type if ob else 'MESH'
     if ob_type == 'CURVES':
         group.is_type_curve = True
     elif ob_type == 'POINTCLOUD':
@@ -56,7 +57,7 @@ def geometry_node_group_empty_tool_new(context):
     else:
         group.is_type_mesh = True
 
-    mode = context.object.mode if context.object else 'OBJECT'
+    mode = ob.mode if ob else 'OBJECT'
     if mode in {'SCULPT', 'SCULPT_CURVES'}:
         group.is_mode_sculpt = True
     elif mode == 'EDIT':

scripts/startup/bl_operators/presets.py

@@ -145,7 +145,7 @@ class AddPresetBase:
 
                             file_preset.write("%s = %r\n" % (rna_path_step, value))
 
-                    file_preset = open(filepath, 'w', encoding="utf-8")
+                    file_preset = open(filepath, "w", encoding="utf-8")
                     file_preset.write("import bpy\n")
 
                     if hasattr(self, "preset_defines"):

scripts/startup/bl_operators/userpref.py

@@ -674,7 +674,7 @@ class PREFERENCES_OT_addon_install(Operator):
         # check to see if the file is in compressed format (.zip)
         if zipfile.is_zipfile(pyfile):
             try:
-                file_to_extract = zipfile.ZipFile(pyfile, 'r')
+                file_to_extract = zipfile.ZipFile(pyfile, "r")
             except BaseException:
                 traceback.print_exc()
                 return {'CANCELLED'}
@@ -926,7 +926,7 @@ class PREFERENCES_OT_app_template_install(Operator):
         # check to see if the file is in compressed format (.zip)
         if zipfile.is_zipfile(filepath):
             try:
-                file_to_extract = zipfile.ZipFile(filepath, 'r')
+                file_to_extract = zipfile.ZipFile(filepath, "r")
             except BaseException:
                 traceback.print_exc()
                 return {'CANCELLED'}

scripts/startup/bl_operators/view3d.py

@@ -31,10 +31,11 @@ class VIEW3D_OT_edit_mesh_extrude_individual_move(Operator):
     def execute(self, context):
         from bpy_extras.object_utils import object_report_if_active_shape_key_is_locked
 
-        if object_report_if_active_shape_key_is_locked(context.object, self):
+        ob = context.object
+        if object_report_if_active_shape_key_is_locked(ob, self):
             return {'CANCELLED'}
 
-        mesh = context.object.data
+        mesh = ob.data
         select_mode = context.tool_settings.mesh_select_mode
 
         totface = mesh.total_face_sel
@@ -99,10 +100,11 @@ class VIEW3D_OT_edit_mesh_extrude_move(Operator):
     def extrude_region(operator, context, use_vert_normals, dissolve_and_intersect):
         from bpy_extras.object_utils import object_report_if_active_shape_key_is_locked
 
-        if object_report_if_active_shape_key_is_locked(context.object, operator):
+        ob = context.object
+        if object_report_if_active_shape_key_is_locked(ob, operator):
             return {'CANCELLED'}
 
-        mesh = context.object.data
+        mesh = ob.data
 
         totface = mesh.total_face_sel
         totedge = mesh.total_edge_sel

scripts/startup/bl_operators/wm.py

@@ -3367,10 +3367,13 @@ class WM_MT_splash_about(Menu):
         col.scale_y = 0.8
         col.label(text=iface_("Version: %s") % bpy.app.version_string, translate=False)
         col.separator(factor=2.5)
-        col.label(text=iface_("Date: %s %s") % (bpy.app.build_commit_date.decode('utf-8', 'replace'),
-                                                bpy.app.build_commit_time.decode('utf-8', 'replace')), translate=False)
-        col.label(text=iface_("Hash: %s") % bpy.app.build_hash.decode('ascii'), translate=False)
-        col.label(text=iface_("Branch: %s") % bpy.app.build_branch.decode('utf-8', 'replace'), translate=False)
+        col.label(text=iface_("Date: %s %s") % (
+            bpy.app.build_commit_date.decode("utf-8", "replace"),
+            bpy.app.build_commit_time.decode("utf-8", "replace")),
+            translate=False
+        )
+        col.label(text=iface_("Hash: %s") % bpy.app.build_hash.decode("ascii"), translate=False)
+        col.label(text=iface_("Branch: %s") % bpy.app.build_branch.decode("utf-8", "replace"), translate=False)
 
         # This isn't useful information on MS-Windows or Apple systems as dynamically switching
         # between windowing systems is only supported between X11/WAYLAND.

scripts/startup/bl_ui/properties_data_grease_pencil.py

@@ -82,7 +82,8 @@ class GREASE_PENCIL_MT_grease_pencil_add_layer_extra(Menu):
 
     def draw(self, context):
         layout = self.layout
-        grease_pencil = context.object.data
+        ob = context.object
+        grease_pencil = ob.data
         space = context.space_data
 
         if space.type == 'PROPERTIES':

scripts/startup/bl_ui/properties_grease_pencil_common.py

@@ -417,20 +417,23 @@ class AnnotationDataPanel:
     bl_options = {'DEFAULT_CLOSED'}
 
     def draw_header(self, context):
-        if context.space_data.type not in {
+        space = context.space_data
+        if space.type not in {
             'VIEW_3D',
             'TOPBAR',
             'SEQUENCE_EDITOR',
             'IMAGE_EDITOR',
             'NODE_EDITOR',
-                'PROPERTIES'}:
-            self.layout.prop(context.space_data, "show_annotation", text="")
+            'PROPERTIES',
+        }:
+            self.layout.prop(space, "show_annotation", text="")
 
     def draw(self, context):
         layout = self.layout
         layout.use_property_decorate = False
+        space = context.space_data
 
-        is_clip_editor = context.space_data.type == 'CLIP_EDITOR'
+        is_clip_editor = space.type == 'CLIP_EDITOR'
 
         # Grease Pencil owner.
         gpd_owner = context.annotation_data_owner
@@ -441,7 +444,7 @@ class AnnotationDataPanel:
             col = layout.column()
             col.label(text="Data Source:")
             row = col.row()
-            row.prop(context.space_data, "annotation_source", expand=True)
+            row.prop(space, "annotation_source", expand=True)
 
         # Only allow adding annotation ID if its owner exist
         if context.annotation_data_owner is None:

scripts/startup/bl_ui/properties_paint_common.py

@@ -1480,6 +1480,10 @@ def brush_basic_grease_pencil_paint_settings(layout, context, brush, *, compact=
         if gp_settings.eraser_mode == "HARD":
             layout.prop(gp_settings, "use_keep_caps_eraser")
         layout.prop(gp_settings, "use_active_layer_only")
+    elif grease_pencil_tool == 'TINT':
+        layout.prop(gp_settings, "vertex_mode", text="Mode")
+        layout.popover("VIEW3D_PT_tools_brush_settings_advanced", text="Brush")
+        layout.popover("VIEW3D_PT_tools_brush_falloff")
 
 
 def brush_basic_gpencil_sculpt_settings(layout, _context, brush, *, compact=False):

scripts/startup/bl_ui/space_toolsystem_common.py

@@ -258,9 +258,9 @@ class ToolSelectPanelHelper:
 
     # tool flattening
     #
-    # usually 'tools' is already expanded into `ToolDef`
+    # usually "tools" is already expanded into `ToolDef`
     # but when registering a tool, this can still be a function
-    # (_tools_flatten is usually called with cls.tools_from_context(context)
+    # (`_tools_flatten` is usually called with `cls.tools_from_context(context)`
     # [that already yields from the function])
     # so if item is still a function (e.g._defs_XXX.generate_from_brushes)
     # seems like we cannot expand here (have no context yet)

scripts/startup/bl_ui/space_toolsystem_toolbar.py

@@ -1423,6 +1423,21 @@ class _defs_sculpt:
             draw_settings=draw_settings,
         )
 
+    @ToolDef.from_fn
+    def hide_line():
+        def draw_settings(_context, layout, tool):
+            props = tool.operator_properties("paint.hide_show_line_gesture")
+            layout.prop(props, "use_limit_to_segment", expand=False)
+
+        return dict(
+            idname="builtin.line_hide",
+            label="Line Hide",
+            icon="ops.sculpt.line_hide",
+            widget=None,
+            keymap=(),
+            draw_settings=draw_settings,
+        )
+
     @ToolDef.from_fn
     def mask_border():
         def draw_settings(_context, layout, tool):
@@ -1862,6 +1877,15 @@ class _defs_paint_grease_pencil:
             data_block='ERASE',
         )
 
+    @ToolDef.from_fn
+    def tint():
+        return dict(
+            idname="builtin_brush.Tint",
+            label="Tint",
+            icon="brush.gpencil_draw.tint",
+            data_block='TINT',
+        )
+
 
 class _defs_image_generic:
 
@@ -3162,7 +3186,8 @@ class VIEW3D_PT_tools_active(ToolSelectPanelHelper, Panel):
             ),
             (
                 _defs_sculpt.hide_border,
-                _defs_sculpt.hide_lasso
+                _defs_sculpt.hide_lasso,
+                _defs_sculpt.hide_line,
             ),
             (
                 _defs_sculpt.face_set_box,
@@ -3235,6 +3260,7 @@ class VIEW3D_PT_tools_active(ToolSelectPanelHelper, Panel):
             None,
             _defs_paint_grease_pencil.draw,
             _defs_paint_grease_pencil.erase,
+            _defs_paint_grease_pencil.tint,
         ],
         'PAINT_GPENCIL': [
             _defs_view3d_generic.cursor,

scripts/startup/bl_ui/space_userpref.py

@@ -409,27 +409,27 @@ class USERPREF_PT_edit_objects_duplicate_data(EditingPanel, CenterAlignMixIn, Pa
         flow = layout.grid_flow(row_major=False, columns=0, even_columns=True, even_rows=False, align=True)
 
         datablock_types = (
-            ("use_duplicate_action", "Action", 'ACTION', ''),
-            ("use_duplicate_armature", "Armature", 'OUTLINER_DATA_ARMATURE', ''),
-            ("use_duplicate_camera", "Camera", 'OUTLINER_DATA_CAMERA', ''),
-            ("use_duplicate_curve", "Curve", 'OUTLINER_DATA_CURVE', ''),
-            ("use_duplicate_curves", "Curves", 'OUTLINER_DATA_CURVES', ''),
-            ("use_duplicate_grease_pencil", "Grease Pencil", 'OUTLINER_OB_GREASEPENCIL', ''),
-            ("use_duplicate_lattice", "Lattice", 'OUTLINER_DATA_LATTICE', ''),
+            ("use_duplicate_action", "Action", 'ACTION', ""),
+            ("use_duplicate_armature", "Armature", 'OUTLINER_DATA_ARMATURE', ""),
+            ("use_duplicate_camera", "Camera", 'OUTLINER_DATA_CAMERA', ""),
+            ("use_duplicate_curve", "Curve", 'OUTLINER_DATA_CURVE', ""),
+            ("use_duplicate_curves", "Curves", 'OUTLINER_DATA_CURVES', ""),
+            ("use_duplicate_grease_pencil", "Grease Pencil", 'OUTLINER_OB_GREASEPENCIL', ""),
+            ("use_duplicate_lattice", "Lattice", 'OUTLINER_DATA_LATTICE', ""),
             (None, None, None, None),
-            ("use_duplicate_light", "Light", 'OUTLINER_DATA_LIGHT', ''),
-            ("use_duplicate_lightprobe", "Light Probe", 'OUTLINER_DATA_LIGHTPROBE', ''),
-            ("use_duplicate_material", "Material", 'MATERIAL_DATA', ''),
-            ("use_duplicate_mesh", "Mesh", 'OUTLINER_DATA_MESH', ''),
-            ("use_duplicate_metaball", "Metaball", 'OUTLINER_DATA_META', ''),
-            ("use_duplicate_node_tree", "Node Tree", 'NODETREE', ''),
-            ("use_duplicate_particle", "Particle", 'PARTICLES', ''),
+            ("use_duplicate_light", "Light", 'OUTLINER_DATA_LIGHT', ""),
+            ("use_duplicate_lightprobe", "Light Probe", 'OUTLINER_DATA_LIGHTPROBE', ""),
+            ("use_duplicate_material", "Material", 'MATERIAL_DATA', ""),
+            ("use_duplicate_mesh", "Mesh", 'OUTLINER_DATA_MESH', ""),
+            ("use_duplicate_metaball", "Metaball", 'OUTLINER_DATA_META', ""),
+            ("use_duplicate_node_tree", "Node Tree", 'NODETREE', ""),
+            ("use_duplicate_particle", "Particle", 'PARTICLES', ""),
             (None, None, None, None),
-            ("use_duplicate_pointcloud", "Point Cloud", 'OUTLINER_DATA_POINTCLOUD', ''),
-            ("use_duplicate_speaker", "Speaker", 'OUTLINER_DATA_SPEAKER', ''),
-            ("use_duplicate_surface", "Surface", 'OUTLINER_DATA_SURFACE', ''),
-            ("use_duplicate_text", "Text", 'OUTLINER_DATA_FONT', ''),
-            ("use_duplicate_volume", "Volume", 'OUTLINER_DATA_VOLUME', 'i18n_contexts.id_id'),
+            ("use_duplicate_pointcloud", "Point Cloud", 'OUTLINER_DATA_POINTCLOUD', ""),
+            ("use_duplicate_speaker", "Speaker", 'OUTLINER_DATA_SPEAKER', ""),
+            ("use_duplicate_surface", "Surface", 'OUTLINER_DATA_SURFACE', ""),
+            ("use_duplicate_text", "Text", 'OUTLINER_DATA_FONT', ""),
+            ("use_duplicate_volume", "Volume", 'OUTLINER_DATA_VOLUME', "i18n_contexts.id_id"),
         )
 
         col = flow.column()
@@ -2727,7 +2727,7 @@ class USERPREF_PT_experimental_debugging(ExperimentalPanel, Panel):
 # Class Registration
 
 # Order of registration defines order in UI,
-# so dynamically generated classes are 'injected' in the intended order.
+# so dynamically generated classes are "injected" in the intended order.
 classes = (
     USERPREF_PT_theme_user_interface,
     *ThemeGenericClassGenerator.generate_panel_classes_for_wcols(),

scripts/startup/bl_ui/space_view3d.py

@@ -139,17 +139,20 @@ class VIEW3D_HT_tool_header(Header):
             return row, sub
 
         if mode_string == 'EDIT_ARMATURE':
+            ob = context.object
             _row, sub = row_for_mirror()
-            sub.prop(context.object.data, "use_mirror_x", text="X", toggle=True)
+            sub.prop(ob.data, "use_mirror_x", text="X", toggle=True)
         elif mode_string == 'POSE':
+            ob = context.object
             _row, sub = row_for_mirror()
-            sub.prop(context.object.pose, "use_mirror_x", text="X", toggle=True)
+            sub.prop(ob.pose, "use_mirror_x", text="X", toggle=True)
         elif mode_string in {'EDIT_MESH', 'PAINT_WEIGHT', 'SCULPT', 'PAINT_VERTEX', 'PAINT_TEXTURE'}:
             # Mesh Modes, Use Mesh Symmetry
+            ob = context.object
             row, sub = row_for_mirror()
-            sub.prop(context.object, "use_mesh_mirror_x", text="X", toggle=True)
-            sub.prop(context.object, "use_mesh_mirror_y", text="Y", toggle=True)
-            sub.prop(context.object, "use_mesh_mirror_z", text="Z", toggle=True)
+            sub.prop(ob, "use_mesh_mirror_x", text="X", toggle=True)
+            sub.prop(ob, "use_mesh_mirror_y", text="Y", toggle=True)
+            sub.prop(ob, "use_mesh_mirror_z", text="Z", toggle=True)
             if mode_string == 'EDIT_MESH':
                 tool_settings = context.tool_settings
                 layout.prop(tool_settings, "use_mesh_automerge", text="")
@@ -160,12 +163,13 @@ class VIEW3D_HT_tool_header(Header):
             elif mode_string == 'PAINT_VERTEX':
                 row.popover(panel="VIEW3D_PT_tools_vertexpaint_symmetry_for_topbar", text="")
         elif mode_string == 'SCULPT_CURVES':
+            ob = context.object
             _row, sub = row_for_mirror()
-            sub.prop(context.object.data, "use_mirror_x", text="X", toggle=True)
-            sub.prop(context.object.data, "use_mirror_y", text="Y", toggle=True)
-            sub.prop(context.object.data, "use_mirror_z", text="Z", toggle=True)
+            sub.prop(ob.data, "use_mirror_x", text="X", toggle=True)
+            sub.prop(ob.data, "use_mirror_y", text="Y", toggle=True)
+            sub.prop(ob.data, "use_mirror_z", text="Z", toggle=True)
 
-            layout.prop(context.object.data, "use_sculpt_collision", icon='MOD_PHYSICS', icon_only=True, toggle=True)
+            layout.prop(ob.data, "use_sculpt_collision", icon='MOD_PHYSICS', icon_only=True, toggle=True)
 
         # Expand panels from the side-bar as popovers.
         popover_kw = {"space_type": 'VIEW_3D', "region_type": 'UI', "category": "Tool"}
@@ -373,19 +377,20 @@ class _draw_tool_settings_context_mode:
         if brush is None:
             return False
 
+        ob = context.object
         gp_settings = brush.gpencil_settings
 
         row = layout.row(align=True)
         settings = tool_settings.gpencil_paint
         row.template_ID_preview(settings, "brush", rows=3, cols=8, hide_buttons=True)
 
-        if context.object and brush.gpencil_tool in {'FILL', 'DRAW'}:
+        if ob and brush.gpencil_tool in {'FILL', 'DRAW'}:
             from bl_ui.properties_paint_common import (
                 brush_basic__draw_color_selector,
             )
             brush_basic__draw_color_selector(context, layout, brush, gp_settings, None)
 
-        if context.object and brush.gpencil_tool == 'TINT':
+        if ob and brush.gpencil_tool == 'TINT':
             row.separator(factor=0.4)
             row.prop_with_popover(brush, "color", text="", panel="TOPBAR_PT_gpencil_vertexcolor")
 
@@ -604,6 +609,9 @@ class _draw_tool_settings_context_mode:
             )
             brush_basic__draw_color_selector(context, layout, brush, brush.gpencil_settings, None)
 
+        if grease_pencil_tool == 'TINT':
+            UnifiedPaintPanel.prop_unified_color(row, context, brush, "color", text="")
+
         from bl_ui.properties_paint_common import (
             brush_basic__draw_color_selector,
             brush_basic_grease_pencil_paint_settings,
@@ -2717,6 +2725,8 @@ class VIEW3D_MT_object(Menu):
     def draw(self, context):
         layout = self.layout
 
+        ob = context.object
+
         layout.menu("VIEW3D_MT_transform_object")
         layout.operator_menu_enum("object.origin_set", text="Set Origin", property="type")
         layout.menu("VIEW3D_MT_mirror")
@@ -2752,7 +2762,7 @@ class VIEW3D_MT_object(Menu):
         layout.separator()
 
         layout.operator("object.shade_smooth")
-        if context.object and context.object.type == 'MESH':
+        if ob and ob.type == 'MESH':
             layout.operator("object.shade_smooth_by_angle")
         layout.operator("object.shade_flat")
 
@@ -3568,6 +3578,12 @@ class VIEW3D_MT_sculpt(Menu):
         props = layout.operator("paint.hide_show_lasso_gesture", text="Lasso Show")
         props.action = 'SHOW'
 
+        props = layout.operator("paint.hide_show_line_gesture", text="Line Hide")
+        props.action = 'HIDE'
+
+        props = layout.operator("paint.hide_show_line_gesture", text="Line Show")
+        props.action = 'SHOW'
+
         layout.separator()
 
         props = layout.operator("sculpt.face_set_change_visibility", text="Toggle Visibility")
@@ -4078,9 +4094,10 @@ class VIEW3D_MT_bone_collections(Menu):
 
     @classmethod
     def poll(cls, context):
-        if not context.object or context.object.type != 'ARMATURE':
+        ob = context.object
+        if not (ob and ob.type == 'ARMATURE'):
             return False
-        if context.object.data.library:
+        if ob.data.library:
             return False
         return True
 
@@ -4534,7 +4551,8 @@ class VIEW3D_MT_edit_mesh_extrude(Menu):
 
         tool_settings = context.tool_settings
         select_mode = tool_settings.mesh_select_mode
-        mesh = context.object.data
+        ob = context.object
+        mesh = ob.data
 
         if mesh.total_face_sel:
             layout.operator("view3d.edit_mesh_extrude_move_normal", text="Extrude Faces")
@@ -7728,13 +7746,16 @@ class VIEW3D_PT_overlay_gpencil_options(Panel):
 
     @classmethod
     def poll(cls, context):
-        return context.object and context.object.type == 'GPENCIL'
+        ob = context.object
+        return ob and ob.type == 'GPENCIL'
 
     def draw(self, context):
         layout = self.layout
         view = context.space_data
         overlay = view.overlay
 
+        ob = context.object
+
         layout.label(text={
             'PAINT_GPENCIL': iface_("Draw Grease Pencil"),
             'EDIT_GPENCIL': iface_("Edit Grease Pencil"),
@@ -7767,15 +7788,15 @@ class VIEW3D_PT_overlay_gpencil_options(Panel):
         sub.prop(overlay, "gpencil_fade_objects", text="Fade Inactive Objects", slider=True)
         sub.prop(overlay, "use_gpencil_fade_gp_objects", text="", icon='OUTLINER_OB_GREASEPENCIL')
 
-        if context.object.mode in {'EDIT_GPENCIL', 'SCULPT_GPENCIL', 'WEIGHT_GPENCIL', 'VERTEX_GPENCIL'}:
+        if ob.mode in {'EDIT_GPENCIL', 'SCULPT_GPENCIL', 'WEIGHT_GPENCIL', 'VERTEX_GPENCIL'}:
             split = layout.split()
             col = split.column()
             col.prop(overlay, "use_gpencil_edit_lines", text="Edit Lines")
             col = split.column()
             col.prop(overlay, "use_gpencil_multiedit_line_only", text="Only in Multiframe")
 
-            if context.object.mode == 'EDIT_GPENCIL':
-                gpd = context.object.data
+            if ob.mode == 'EDIT_GPENCIL':
+                gpd = ob.data
                 split = layout.split()
                 col = split.column()
                 col.prop(overlay, "use_gpencil_show_directions")
@@ -7788,10 +7809,10 @@ class VIEW3D_PT_overlay_gpencil_options(Panel):
                     # Handles for Curve Edit
                     layout.prop(overlay, "display_handle", text="Handles")
 
-        if context.object.mode == 'SCULPT_GPENCIL':
+        if ob.mode == 'SCULPT_GPENCIL':
             layout.prop(overlay, "vertex_opacity", text="Vertex Opacity", slider=True)
 
-        if context.object.mode in {'PAINT_GPENCIL', 'VERTEX_GPENCIL'}:
+        if ob.mode in {'PAINT_GPENCIL', 'VERTEX_GPENCIL'}:
             layout.label(text="Vertex Paint")
             row = layout.row()
             shading = VIEW3D_PT_shading.get_shading(context)
@@ -7807,20 +7828,23 @@ class VIEW3D_PT_overlay_grease_pencil_options(Panel):
 
     @classmethod
     def poll(cls, context):
-        return context.object and context.object.type == 'GREASEPENCIL'
+        ob = context.object
+        return ob and ob.type == 'GREASEPENCIL'
 
     def draw(self, context):
         layout = self.layout
         view = context.space_data
         overlay = view.overlay
 
+        ob = context.object
+
         layout.label(text={
             'PAINT_GREASE_PENCIL': iface_("Draw Grease Pencil"),
             'EDIT_GREASE_PENCIL': iface_("Edit Grease Pencil"),
             'OBJECT': iface_("Grease Pencil"),
         }[context.mode], translate=False)
 
-        if context.object.mode in {'EDIT'}:
+        if ob.mode in {'EDIT'}:
             split = layout.split()
             col = split.column()
             col.prop(overlay, "use_gpencil_edit_lines", text="Edit Lines")
@@ -8706,7 +8730,7 @@ class TOPBAR_PT_gpencil_materials(GreasePencilMaterialsPanel, Panel):
     @classmethod
     def poll(cls, context):
         ob = context.object
-        return ob and (ob.type == 'GPENCIL' or ob.type == 'GREASEPENCIL')
+        return ob and ob.type in {'GPENCIL', 'GREASEPENCIL'}
 
 
 class TOPBAR_PT_gpencil_vertexcolor(GreasePencilVertexcolorPanel, Panel):

scripts/startup/bl_ui/space_view3d_toolbar.py

@@ -610,7 +610,7 @@ class VIEW3D_PT_slots_paint_canvas(SelectPaintSlotHelper, View3DPanel, Panel):
     def draw_header(self, context):
         paint = context.tool_settings.paint_mode
         ob = context.object
-        me = context.object.data
+        me = ob.data
         mat = ob.active_material
 
         label = iface_("Canvas")
@@ -641,7 +641,8 @@ class VIEW3D_PT_slots_color_attributes(Panel):
         )
 
     def draw(self, context):
-        mesh = context.object.data
+        ob = context.object
+        mesh = ob.data
 
         layout = self.layout
         row = layout.row()
@@ -1119,7 +1120,9 @@ class VIEW3D_PT_sculpt_symmetry(Panel, View3DPaintPanel):
         sculpt = context.tool_settings.sculpt
 
         row = layout.row(align=True, heading="Mirror")
-        mesh = context.object.data
+
+        ob = context.object
+        mesh = ob.data
         row.prop(mesh, "use_mirror_x", text="X", toggle=True)
         row.prop(mesh, "use_mirror_y", text="Y", toggle=True)
         row.prop(mesh, "use_mirror_z", text="Z", toggle=True)
@@ -1162,14 +1165,16 @@ class VIEW3D_PT_curves_sculpt_symmetry(Panel, View3DPaintPanel):
 
     @classmethod
     def poll(cls, context):
-        return context.object and context.object.type == 'CURVES'
+        ob = context.object
+        return ob and ob.type == 'CURVES'
 
     def draw(self, context):
         layout = self.layout
         layout.use_property_split = True
         layout.use_property_decorate = False
 
-        curves = context.object.data
+        ob = context.object
+        curves = ob.data
 
         row = layout.row(align=True, heading="Mirror")
         row.prop(curves, "use_mirror_x", text="X", toggle=True)
@@ -1206,11 +1211,13 @@ class VIEW3D_PT_tools_weightpaint_symmetry(Panel, View3DPaintPanel):
 
         tool_settings = context.tool_settings
         wpaint = tool_settings.weight_paint
-        mesh = context.object.data
+
+        ob = context.object
+        mesh = ob.data
 
         layout.prop(mesh, "use_mirror_vertex_groups")
 
-        draw_vpaint_symmetry(layout, wpaint, context.object)
+        draw_vpaint_symmetry(layout, wpaint, ob)
 
         row = layout.row()
         row.active = mesh.use_mirror_vertex_groups
@@ -1288,7 +1295,9 @@ class VIEW3D_PT_tools_vertexpaint_symmetry(Panel, View3DPaintPanel):
         tool_settings = context.tool_settings
         vpaint = tool_settings.vertex_paint
 
-        draw_vpaint_symmetry(layout, vpaint, context.object)
+        ob = context.object
+
+        draw_vpaint_symmetry(layout, vpaint, ob)
 
 
 class VIEW3D_PT_tools_vertexpaint_symmetry_for_topbar(Panel):
@@ -1353,7 +1362,8 @@ class VIEW3D_PT_tools_imagepaint_symmetry(Panel, View3DPaintPanel):
         col = split.column()
 
         row = col.row(align=True)
-        mesh = context.object.data
+        ob = context.object
+        mesh = ob.data
         row.prop(mesh, "use_mirror_x", text="X", toggle=True)
         row.prop(mesh, "use_mirror_y", text="Y", toggle=True)
         row.prop(mesh, "use_mirror_z", text="Z", toggle=True)
@@ -1933,7 +1943,7 @@ class VIEW3D_PT_tools_grease_pencil_brush_paint_falloff(GreasePencilBrushFalloff
 
         from bl_ui.space_toolsystem_common import ToolSelectPanelHelper
         tool = ToolSelectPanelHelper.tool_active_from_context(context)
-        if tool and tool.idname != 'builtin_brush.Tint':
+        if tool and tool.idname != "builtin_brush.Tint":
             return False
 
         gptool = brush.gpencil_tool
@@ -2344,7 +2354,7 @@ class VIEW3D_PT_tools_grease_pencil_brush_mixcolor(View3DPanel, Panel):
 
         from bl_ui.space_toolsystem_common import ToolSelectPanelHelper
         tool = ToolSelectPanelHelper.tool_active_from_context(context)
-        if tool and tool.idname in {'builtin.cutter', 'builtin.eyedropper', 'builtin.interpolate'}:
+        if tool and tool.idname in {"builtin.cutter", "builtin.eyedropper", "builtin.interpolate"}:
             return False
 
         if brush.gpencil_tool == 'TINT':
@@ -2405,7 +2415,7 @@ class VIEW3D_PT_tools_grease_pencil_brush_mix_palette(View3DPanel, Panel):
 
         from bl_ui.space_toolsystem_common import ToolSelectPanelHelper
         tool = ToolSelectPanelHelper.tool_active_from_context(context)
-        if tool and tool.idname in {'builtin.cutter', 'builtin.eyedropper', 'builtin.interpolate'}:
+        if tool and tool.idname in {"builtin.cutter", "builtin.eyedropper", "builtin.interpolate"}:
             return False
 
         if brush.gpencil_tool == 'TINT':
@@ -2570,7 +2580,7 @@ class VIEW3D_PT_tools_grease_pencil_v3_brush_mixcolor(View3DPanel, Panel):
 
         from bl_ui.space_toolsystem_common import ToolSelectPanelHelper
         tool = ToolSelectPanelHelper.tool_active_from_context(context)
-        if tool and tool.idname in {'builtin.cutter', 'builtin.eyedropper', 'builtin.interpolate'}:
+        if tool and tool.idname in {"builtin.cutter", "builtin.eyedropper", "builtin.interpolate"}:
             return False
 
         if brush.gpencil_tool == 'TINT':
@@ -2627,7 +2637,7 @@ class VIEW3D_PT_tools_grease_pencil_v3_brush_mix_palette(View3DPanel, Panel):
 
         from bl_ui.space_toolsystem_common import ToolSelectPanelHelper
         tool = ToolSelectPanelHelper.tool_active_from_context(context)
-        if tool and tool.idname in {'builtin.cutter', 'builtin.eyedropper', 'builtin.interpolate'}:
+        if tool and tool.idname in {"builtin.cutter", "builtin.eyedropper", "builtin.interpolate"}:
             return False
 
         if brush.gpencil_tool == 'TINT':

source/blender/blenkernel/BKE_editmesh.hh

@@ -15,6 +15,7 @@
 #include <array>
 
 #include "BLI_array.hh"
+#include "BLI_math_vector_types.hh"
 
 #include "DNA_customdata_types.h"
 
@@ -103,14 +104,16 @@ BMEditMesh *BKE_editmesh_from_object(Object *ob);
  */
 void BKE_editmesh_free_data(BMEditMesh *em);
 
-float (*BKE_editmesh_vert_coords_alloc(
-    Depsgraph *depsgraph, BMEditMesh *em, Scene *scene, Object *ob, int *r_vert_len))[3];
-float (*BKE_editmesh_vert_coords_alloc_orco(BMEditMesh *em, int *r_vert_len))[3];
-const float (*BKE_editmesh_vert_coords_when_deformed(Depsgraph *depsgraph,
-                                                     BMEditMesh *em,
-                                                     Scene *scene,
-                                                     Object *obedit,
-                                                     int *r_vert_len,
-                                                     bool *r_is_alloc))[3];
+blender::Array<blender::float3> BKE_editmesh_vert_coords_alloc(Depsgraph *depsgraph,
+                                                               BMEditMesh *em,
+                                                               Scene *scene,
+                                                               Object *ob);
+blender::Array<blender::float3> BKE_editmesh_vert_coords_alloc_orco(BMEditMesh *em);
+blender::Span<blender::float3> BKE_editmesh_vert_coords_when_deformed(
+    Depsgraph *depsgraph,
+    BMEditMesh *em,
+    Scene *scene,
+    Object *obedit,
+    blender::Array<blender::float3> &r_alloc);
 
 void BKE_editmesh_lnorspace_update(BMEditMesh *em);

source/blender/blenkernel/BKE_editmesh_cache.hh

@@ -18,13 +18,13 @@ namespace blender::bke {
 
 struct EditMeshData {
   /** when set, \a vertexNos, faceNos are lazy initialized */
-  Array<float3> vertexCos;
+  Array<float3> vert_positions;
 
-  /** lazy initialize (when \a vertexCos is set) */
-  Array<float3> vertexNos;
-  Array<float3> faceNos;
-  /** also lazy init but don't depend on \a vertexCos */
-  Array<float3> faceCos;
+  /** lazy initialize (when \a vert_positions is set) */
+  Array<float3> vert_normals;
+  Array<float3> face_normals;
+  /** also lazy init but don't depend on \a vert_positions */
+  Array<float3> face_centers;
 };
 
 }  // namespace blender::bke

source/blender/blenkernel/BKE_mesh.h

@@ -199,7 +199,7 @@ Mesh *BKE_mesh_new_from_object_to_bmain(Main *bmain,
 void BKE_mesh_nomain_to_mesh(Mesh *mesh_src, Mesh *mesh_dst, Object *ob);
 void BKE_mesh_nomain_to_meshkey(Mesh *mesh_src, Mesh *mesh_dst, KeyBlock *kb);
 
-/* vertex level transformations & checks (no derived mesh) */
+/* Vertex level transformations & checks (no evaluated mesh). */
 
 /* basic vertex data functions */
 void BKE_mesh_transform(Mesh *mesh, const float mat[4][4], bool do_keys);

source/blender/blenkernel/BKE_mesh_tangent.hh

@@ -53,7 +53,7 @@ void BKE_mesh_calc_loop_tangent_ex(const float (*vert_positions)[3],
                                    uint corner_tris_len,
                                    const blender::Span<bool> sharp_faces,
 
-                                   CustomData *loopdata,
+                                   const CustomData *loopdata,
                                    bool calc_active_tangent,
                                    const char (*tangent_names)[MAX_CUSTOMDATA_LAYER_NAME],
                                    int tangent_names_len,
@@ -72,7 +72,7 @@ void BKE_mesh_calc_loop_tangents(Mesh *mesh_eval,
                                  int tangent_names_len);
 
 /* Helpers */
-void BKE_mesh_add_loop_tangent_named_layer_for_uv(CustomData *uv_data,
+void BKE_mesh_add_loop_tangent_named_layer_for_uv(const CustomData *uv_data,
                                                   CustomData *tan_data,
                                                   int numLoopData,
                                                   const char *layer_name);

source/blender/blenkernel/BKE_mesh_types.hh

@@ -24,7 +24,7 @@
 struct BMEditMesh;
 struct BVHCache;
 struct Mesh;
-struct ShrinkwrapBoundaryData;
+class ShrinkwrapBoundaryData;
 struct SubdivCCG;
 struct SubsurfRuntimeData;
 namespace blender::bke {

source/blender/blenkernel/BKE_mesh_wrapper.hh

@@ -26,15 +26,15 @@ int BKE_mesh_wrapper_face_len(const Mesh *mesh);
 
 /**
  * Return a contiguous array of vertex position values, if available.
- * Otherwise, vertex positions are stored in BMesh vertices.
+ * Otherwise, vertex positions are stored in BMesh vertices and this returns null.
  */
-const float (*BKE_mesh_wrapper_vert_coords(const Mesh *mesh))[3];
+blender::Span<blender::float3> BKE_mesh_wrapper_vert_coords(const Mesh *mesh);
 
 /**
  * Return a contiguous array of face normal values, if available.
- * Otherwise, normals are stored in BMesh faces.
+ * Otherwise, normals are stored in BMesh faces and this returns null.
  */
-const float (*BKE_mesh_wrapper_face_normals(Mesh *mesh))[3];
+blender::Span<blender::float3> BKE_mesh_wrapper_face_normals(Mesh *mesh);
 
 void BKE_mesh_wrapper_tag_positions_changed(Mesh *mesh);
 

source/blender/blenkernel/BKE_modifier.hh

@@ -200,8 +200,8 @@ struct ModifierTypeInfo {
   /********************* Deform modifier functions *********************/
 
   /**
-   * Apply a deformation to the positions in the \a vertexCos array. If the \a mesh argument is
-   * non-null, if will contain proper (not wrapped) mesh data. The \a vertexCos array may or may
+   * Apply a deformation to the positions in the \a positions array. If the \a mesh argument is
+   * non-null, if will contain proper (not wrapped) mesh data. The \a positions array may or may
    * not be the same as the mesh's position attribute.
    */
   void (*deform_verts)(ModifierData *md,

source/blender/blenkernel/BKE_object.hh

@@ -242,11 +242,11 @@ Object *BKE_object_duplicate(Main *bmain,
  */
 void BKE_object_obdata_size_init(Object *ob, float size);
 
-void BKE_object_scale_to_mat3(Object *ob, float r_mat[3][3]);
+void BKE_object_scale_to_mat3(const Object *ob, float r_mat[3][3]);
 void BKE_object_rot_to_mat3(const Object *ob, float r_mat[3][3], bool use_drot);
 void BKE_object_mat3_to_rot(Object *ob, float r_mat[3][3], bool use_compat);
-void BKE_object_to_mat3(Object *ob, float r_mat[3][3]);
-void BKE_object_to_mat4(Object *ob, float r_mat[4][4]);
+void BKE_object_to_mat3(const Object *ob, float r_mat[3][3]);
+void BKE_object_to_mat4(const Object *ob, float r_mat[4][4]);
 /**
  * Applies the global transformation \a mat to the \a ob using a relative parent space if
  * supplied.
@@ -319,7 +319,7 @@ blender::Vector<Base *> BKE_object_pose_base_array_get(const Scene *scene,
                                                        ViewLayer *view_layer,
                                                        View3D *v3d);
 
-void BKE_object_get_parent_matrix(Object *ob, Object *par, float r_parentmat[4][4]);
+void BKE_object_get_parent_matrix(const Object *ob, Object *par, float r_parentmat[4][4]);
 
 /**
  * Compute object world transform and store it in `ob->object_to_world().ptr()`.
@@ -334,7 +334,7 @@ void BKE_object_where_is_calc_time(Depsgraph *depsgraph, Scene *scene, Object *o
  * No changes to object and its parent would be done.
  * Used for bundles orientation in 3d space relative to parented blender camera.
  */
-void BKE_object_where_is_calc_mat4(Object *ob, float r_obmat[4][4]);
+void BKE_object_where_is_calc_mat4(const Object *ob, float r_obmat[4][4]);
 
 /* Possibly belong in its own module? */
 
@@ -522,8 +522,9 @@ Mesh *BKE_object_get_pre_modified_mesh(const Object *object);
  */
 Mesh *BKE_object_get_original_mesh(const Object *object);
 
-Mesh *BKE_object_get_editmesh_eval_final(const Object *object);
-Mesh *BKE_object_get_editmesh_eval_cage(const Object *object);
+const Mesh *BKE_object_get_editmesh_eval_final(const Object *object);
+const Mesh *BKE_object_get_editmesh_eval_cage(const Object *object);
+const Mesh *BKE_object_get_mesh_deform_eval(const Object *object);
 
 /* Lattice accessors.
  * These functions return either the regular lattice, or the edit-mode lattice,
@@ -576,7 +577,7 @@ bool BKE_object_moves_in_time(const Object *object, bool recurse_parent);
 /** Return the number of scenes using (instantiating) that object in their collections. */
 int BKE_object_scenes_users_get(Main *bmain, Object *ob);
 
-MovieClip *BKE_object_movieclip_get(Scene *scene, Object *ob, bool use_default);
+MovieClip *BKE_object_movieclip_get(Scene *scene, const Object *ob, bool use_default);
 
 void BKE_object_runtime_reset(Object *object);
 /**

source/blender/blenkernel/BKE_shrinkwrap.hh

@@ -47,7 +47,15 @@ struct ShrinkwrapBoundaryVertData {
   float normal_plane[3];
 };
 
-struct ShrinkwrapBoundaryData {
+class ShrinkwrapBoundaryData {
+ public:
+  /* Returns true if there is boundary information. If there is no boundary information, then the
+   * mesh from which this data is created from has no boundaries. */
+  inline bool has_boundary() const
+  {
+    return !edge_is_boundary.is_empty();
+  }
+
   /* True if the edge belongs to exactly one face. */
   blender::BitVector<> edge_is_boundary;
   /* True if the triangle has any boundary edges. */

source/blender/blenkernel/BKE_tracking.h

@@ -75,7 +75,7 @@ void BKE_tracking_settings_init(struct MovieTracking *tracking);
  * Get transformation matrix for a given object which is used
  * for parenting motion tracker reconstruction to 3D world.
  */
-void BKE_tracking_get_camera_object_matrix(struct Object *camera_object, float mat[4][4]);
+void BKE_tracking_get_camera_object_matrix(const struct Object *camera_object, float mat[4][4]);
 /**
  * Get projection matrix for camera specified by given tracking object
  * and frame number.

source/blender/blenkernel/intern/DerivedMesh.cc

@@ -981,18 +981,6 @@ static void mesh_calc_modifiers(Depsgraph *depsgraph,
   }
 }
 
-static blender::Array<float3> editbmesh_vert_coords_alloc(const BMEditMesh *em)
-{
-  blender::Array<float3> cos(em->bm->totvert);
-  BMIter iter;
-  BMVert *eve;
-  int i;
-  BM_ITER_MESH_INDEX (eve, &iter, em->bm, BM_VERTS_OF_MESH, i) {
-    cos[i] = eve->co;
-  }
-  return cos;
-}
-
 bool editbmesh_modifier_is_enabled(const Scene *scene,
                                    const Object *ob,
                                    ModifierData *md,
@@ -1022,7 +1010,7 @@ static void editbmesh_calc_modifier_final_normals(Mesh *mesh_final)
     case ME_WRAPPER_TYPE_BMESH: {
       BMEditMesh &em = *mesh_final->runtime->edit_mesh;
       blender::bke::EditMeshData &emd = *mesh_final->runtime->edit_data;
-      if (!emd.vertexCos.is_empty()) {
+      if (!emd.vert_positions.is_empty()) {
         BKE_editmesh_cache_ensure_vert_normals(em, emd);
         BKE_editmesh_cache_ensure_face_normals(em, emd);
       }
@@ -1047,11 +1035,11 @@ static MutableSpan<float3> mesh_wrapper_vert_coords_ensure_for_write(Mesh *mesh)
 {
   switch (mesh->runtime->wrapper_type) {
     case ME_WRAPPER_TYPE_BMESH:
-      if (mesh->runtime->edit_data->vertexCos.is_empty()) {
-        mesh->runtime->edit_data->vertexCos = editbmesh_vert_coords_alloc(
-            mesh->runtime->edit_mesh);
+      if (mesh->runtime->edit_data->vert_positions.is_empty()) {
+        mesh->runtime->edit_data->vert_positions = BM_mesh_vert_coords_alloc(
+            mesh->runtime->edit_mesh->bm);
       }
-      return mesh->runtime->edit_data->vertexCos;
+      return mesh->runtime->edit_data->vert_positions;
     case ME_WRAPPER_TYPE_MDATA:
     case ME_WRAPPER_TYPE_SUBD:
       return mesh->vert_positions_for_write();

source/blender/blenkernel/intern/brush.cc

@@ -1526,13 +1526,11 @@ void BKE_brush_gpencil_vertex_presets(Main *bmain, ToolSettings *ts, const bool
   }
 
   /* Set default Vertex brush. */
-  if (reset || brush_prev == nullptr) {
-    BKE_paint_brush_set(vertexpaint, deft_vertex);
+  if ((reset == false) && (brush_prev != nullptr)) {
+    BKE_paint_brush_set(vertexpaint, brush_prev);
   }
   else {
-    if (brush_prev != nullptr) {
-      BKE_paint_brush_set(vertexpaint, brush_prev);
-    }
+    BKE_paint_brush_set(vertexpaint, deft_vertex);
   }
 }
 
@@ -1603,13 +1601,11 @@ void BKE_brush_gpencil_sculpt_presets(Main *bmain, ToolSettings *ts, const bool
   }
 
   /* Set default brush. */
-  if (reset || brush_prev == nullptr) {
-    BKE_paint_brush_set(sculptpaint, deft_sculpt);
+  if ((reset == false) && (brush_prev != nullptr)) {
+    BKE_paint_brush_set(sculptpaint, brush_prev);
   }
   else {
-    if (brush_prev != nullptr) {
-      BKE_paint_brush_set(sculptpaint, brush_prev);
-    }
+    BKE_paint_brush_set(sculptpaint, deft_sculpt);
   }
 }
 
@@ -1648,13 +1644,11 @@ void BKE_brush_gpencil_weight_presets(Main *bmain, ToolSettings *ts, const bool
   }
 
   /* Set default brush. */
-  if (reset || brush_prev == nullptr) {
-    BKE_paint_brush_set(weightpaint, deft_weight);
+  if ((reset == false) && (brush_prev != nullptr)) {
+    BKE_paint_brush_set(weightpaint, brush_prev);
   }
   else {
-    if (brush_prev != nullptr) {
-      BKE_paint_brush_set(weightpaint, brush_prev);
-    }
+    BKE_paint_brush_set(weightpaint, deft_weight);
   }
 }
 

source/blender/blenkernel/intern/deform.cc

@@ -1424,7 +1424,7 @@ bool data_transfer_layersmapping_vgroups(ListBase *r_map,
   MDeformVert *data_dst = static_cast<MDeformVert *>(
       CustomData_get_layer_for_write(cd_dst, CD_MDEFORMVERT, num_elem_dst));
   if (data_dst && use_dupref_dst && r_map) {
-    /* If dest is a derivedmesh, we do not want to overwrite cdlayers of org mesh! */
+    /* If dest is an evaluated mesh, we do not want to overwrite cdlayers of org mesh! */
     data_dst = static_cast<MDeformVert *>(
         CustomData_get_layer_for_write(cd_dst, CD_MDEFORMVERT, num_elem_dst));
   }

source/blender/blenkernel/intern/dynamicpaint.cc

@@ -218,7 +218,7 @@ struct PaintBakeData {
 /** UV Image sequence format point */
 struct PaintUVPoint {
   /* Pixel / mesh data */
-  /** tri index on domain derived mesh */
+  /** Triangle index on domain evaluated mesh. */
   uint tri_index;
   uint pixel_index;
   /* vertex indexes */
@@ -1825,7 +1825,7 @@ static void dynamic_paint_apply_surface_displace_cb(void *__restrict userdata,
   madd_v3_v3fl(data->vert_positions[i], data->vert_normals[i], -val);
 }
 
-/* apply displacing vertex surface to the derived mesh */
+/** Apply displacing vertex surface to the evaluated-mesh. */
 static void dynamicPaint_applySurfaceDisplace(DynamicPaintSurface *surface, Mesh *result)
 {
   PaintSurfaceData *sData = surface->data;
@@ -1911,8 +1911,8 @@ static void dynamic_paint_apply_surface_wave_cb(void *__restrict userdata,
   madd_v3_v3fl(data->vert_positions[i], data->vert_normals[i], wPoint[i].height);
 }
 
-/*
- * Apply canvas data to the object derived mesh
+/**
+ * Apply canvas data to the object evaluated-mesh.
  */
 static Mesh *dynamicPaint_Modifier_apply(DynamicPaintModifierData *pmd, Object *ob, Mesh *mesh)
 {
@@ -2094,7 +2094,7 @@ static void canvas_copyMesh(DynamicPaintCanvasSettings *canvas, Mesh *mesh)
 }
 
 /*
- * Updates derived mesh copy and processes dynamic paint step / caches.
+ * Updates evaluated-mesh copy and processes dynamic paint step / caches.
  */
 static void dynamicPaint_frameUpdate(
     DynamicPaintModifierData *pmd, Depsgraph *depsgraph, Scene *scene, Object *ob, Mesh *mesh)
@@ -2103,7 +2103,7 @@ static void dynamicPaint_frameUpdate(
     DynamicPaintCanvasSettings *canvas = pmd->canvas;
     DynamicPaintSurface *surface = static_cast<DynamicPaintSurface *>(canvas->surfaces.first);
 
-    /* update derived mesh copy */
+    /* update evaluated-mesh copy */
     canvas_copyMesh(canvas, mesh);
 
     /* in case image sequence baking, stop here */
@@ -3855,7 +3855,8 @@ static void dynamicPaint_brushMeshCalculateVelocity(Depsgraph *depsgraph,
     return;
   }
 
-  /* if mesh is constructive -> num of verts has changed, only use current frame derived mesh */
+  /* If mesh is constructive -> num of verts has changed,
+   * only use current frame evaluated-mesh. */
   if (numOfVerts_p != numOfVerts_c) {
     positions_p = positions_c;
   }
@@ -6174,7 +6175,7 @@ static bool dynamicPaint_generateBakeData(DynamicPaintSurface *surface,
   }
 
   /*
-   * Make a transformed copy of canvas derived mesh vertices to avoid recalculation.
+   * Make a transformed copy of canvas evaluated-mesh vertices to avoid recalculation.
    */
   bData->mesh_bounds.valid = false;
   for (index = 0; index < canvasNumOfVerts; index++) {
@@ -6404,7 +6405,7 @@ int dynamicPaint_calculateFrame(
 {
   float timescale = 1.0f;
 
-  /* apply previous displace on derivedmesh if incremental surface */
+  /* Apply previous displace on evaluated-mesh if incremental surface. */
   if (surface->flags & MOD_DPAINT_DISP_INCREMENTAL) {
     dynamicPaint_applySurfaceDisplace(surface, dynamicPaint_canvas_mesh_get(surface->canvas));
   }

source/blender/blenkernel/intern/editmesh.cc

@@ -27,6 +27,10 @@
 
 #include "DEG_depsgraph_query.hh"
 
+using blender::Array;
+using blender::float3;
+using blender::Span;
+
 BMEditMesh *BKE_editmesh_create(BMesh *bm)
 {
   BMEditMesh *em = MEM_new<BMEditMesh>(__func__);
@@ -124,7 +128,7 @@ void BKE_editmesh_free_data(BMEditMesh *em)
 
 struct CageUserData {
   int totvert;
-  float (*cos_cage)[3];
+  blender::MutableSpan<float3> positions_cage;
   BLI_bitmap *visit_bitmap;
 };
 
@@ -137,16 +141,17 @@ static void cage_mapped_verts_callback(void *user_data,
 
   if ((index >= 0 && index < data->totvert) && !BLI_BITMAP_TEST(data->visit_bitmap, index)) {
     BLI_BITMAP_ENABLE(data->visit_bitmap, index);
-    copy_v3_v3(data->cos_cage[index], co);
+    copy_v3_v3(data->positions_cage[index], co);
   }
 }
 
-float (*BKE_editmesh_vert_coords_alloc(
-    Depsgraph *depsgraph, BMEditMesh *em, Scene *scene, Object *ob, int *r_vert_len))[3]
+Array<float3> BKE_editmesh_vert_coords_alloc(Depsgraph *depsgraph,
+                                             BMEditMesh *em,
+                                             Scene *scene,
+                                             Object *ob)
 {
   Mesh *cage = editbmesh_get_eval_cage(depsgraph, scene, ob, em, &CD_MASK_BAREMESH);
-  float(*cos_cage)[3] = static_cast<float(*)[3]>(
-      MEM_callocN(sizeof(*cos_cage) * em->bm->totvert, __func__));
+  Array<float3> positions_cage(em->bm->totvert);
 
   /* When initializing cage verts, we only want the first cage coordinate for each vertex,
    * so that e.g. mirror or array use original vertex coordinates and not mirrored or duplicate. */
@@ -154,38 +159,29 @@ float (*BKE_editmesh_vert_coords_alloc(
 
   CageUserData data;
   data.totvert = em->bm->totvert;
-  data.cos_cage = cos_cage;
+  data.positions_cage = positions_cage;
   data.visit_bitmap = visit_bitmap;
 
   BKE_mesh_foreach_mapped_vert(cage, cage_mapped_verts_callback, &data, MESH_FOREACH_NOP);
 
   MEM_freeN(visit_bitmap);
 
-  if (r_vert_len) {
-    *r_vert_len = em->bm->totvert;
-  }
-
-  return cos_cage;
+  return positions_cage;
 }
 
-const float (*BKE_editmesh_vert_coords_when_deformed(Depsgraph *depsgraph,
-                                                     BMEditMesh *em,
-                                                     Scene *scene,
-                                                     Object *ob,
-                                                     int *r_vert_len,
-                                                     bool *r_is_alloc))[3]
+Span<float3> BKE_editmesh_vert_coords_when_deformed(
+    Depsgraph *depsgraph, BMEditMesh *em, Scene *scene, Object *ob, Array<float3> &r_alloc)
 {
-  const float(*coords)[3] = nullptr;
-  *r_is_alloc = false;
 
-  Object *object_eval = DEG_get_evaluated_object(depsgraph, ob);
-  Mesh *editmesh_eval_final = BKE_object_get_editmesh_eval_final(object_eval);
-  Mesh *mesh_cage = BKE_object_get_editmesh_eval_cage(ob);
+  const Object *object_eval = DEG_get_evaluated_object(depsgraph, ob);
+  const Mesh *editmesh_eval_final = BKE_object_get_editmesh_eval_final(object_eval);
+  const Mesh *mesh_cage = BKE_object_get_editmesh_eval_cage(ob);
 
+  Span<float3> vert_positions;
   if (mesh_cage && mesh_cage->runtime->deformed_only) {
     BLI_assert(BKE_mesh_wrapper_vert_len(mesh_cage) == em->bm->totvert);
     /* Deformed, and we have deformed coords already. */
-    coords = BKE_mesh_wrapper_vert_coords(mesh_cage);
+    vert_positions = BKE_mesh_wrapper_vert_coords(mesh_cage);
   }
   else if ((editmesh_eval_final != nullptr) &&
            (editmesh_eval_final->runtime->wrapper_type == ME_WRAPPER_TYPE_BMESH))
@@ -194,15 +190,15 @@ const float (*BKE_editmesh_vert_coords_when_deformed(Depsgraph *depsgraph,
   }
   else {
     /* Constructive modifiers have been used, we need to allocate coordinates. */
-    *r_is_alloc = true;
-    coords = BKE_editmesh_vert_coords_alloc(depsgraph, em, scene, ob, r_vert_len);
+    r_alloc = BKE_editmesh_vert_coords_alloc(depsgraph, em, scene, ob);
+    return r_alloc.as_span();
   }
-  return coords;
+  return vert_positions;
 }
 
-float (*BKE_editmesh_vert_coords_alloc_orco(BMEditMesh *em, int *r_vert_len))[3]
+Array<float3> BKE_editmesh_vert_coords_alloc_orco(BMEditMesh *em)
 {
-  return BM_mesh_vert_coords_alloc(em->bm, r_vert_len);
+  return BM_mesh_vert_coords_alloc(em->bm);
 }
 
 void BKE_editmesh_lnorspace_update(BMEditMesh *em)

source/blender/blenkernel/intern/editmesh_cache.cc

@@ -23,12 +23,12 @@
 
 void BKE_editmesh_cache_ensure_face_normals(BMEditMesh &em, blender::bke::EditMeshData &emd)
 {
-  if (emd.vertexCos.is_empty() || !emd.faceNos.is_empty()) {
+  if (emd.vert_positions.is_empty() || !emd.face_normals.is_empty()) {
     return;
   }
   BMesh *bm = em.bm;
 
-  emd.faceNos.reinitialize(bm->totface);
+  emd.face_normals.reinitialize(bm->totface);
 
   BM_mesh_elem_index_ensure(bm, BM_VERT);
   BMFace *efa;
@@ -36,15 +36,17 @@ void BKE_editmesh_cache_ensure_face_normals(BMEditMesh &em, blender::bke::EditMe
   int i;
   BM_ITER_MESH_INDEX (efa, &fiter, bm, BM_FACES_OF_MESH, i) {
     BM_elem_index_set(efa, i); /* set_inline */
-    BM_face_calc_normal_vcos(
-        bm, efa, emd.faceNos[i], reinterpret_cast<const float(*)[3]>(emd.vertexCos.data()));
+    BM_face_calc_normal_vcos(bm,
+                             efa,
+                             emd.face_normals[i],
+                             reinterpret_cast<const float(*)[3]>(emd.vert_positions.data()));
   }
   bm->elem_index_dirty &= ~BM_FACE;
 }
 
 void BKE_editmesh_cache_ensure_vert_normals(BMEditMesh &em, blender::bke::EditMeshData &emd)
 {
-  if (emd.vertexCos.is_empty() || !emd.vertexNos.is_empty()) {
+  if (emd.vert_positions.is_empty() || !emd.vert_normals.is_empty()) {
     return;
   }
   BMesh *bm = em.bm;
@@ -52,37 +54,36 @@ void BKE_editmesh_cache_ensure_vert_normals(BMEditMesh &em, blender::bke::EditMe
   /* Calculate vertex normals from face normals. */
   BKE_editmesh_cache_ensure_face_normals(em, emd);
 
-  emd.vertexNos.reinitialize(bm->totvert);
+  emd.vert_normals.reinitialize(bm->totvert);
 
   BM_mesh_elem_index_ensure(bm, BM_FACE);
   BM_verts_calc_normal_vcos(bm,
-                            reinterpret_cast<const float(*)[3]>(emd.faceNos.data()),
-                            reinterpret_cast<const float(*)[3]>(emd.vertexCos.data()),
-                            reinterpret_cast<float(*)[3]>(emd.vertexNos.data()));
+                            reinterpret_cast<const float(*)[3]>(emd.face_normals.data()),
+                            reinterpret_cast<const float(*)[3]>(emd.vert_positions.data()),
+                            reinterpret_cast<float(*)[3]>(emd.vert_normals.data()));
 }
 
 void BKE_editmesh_cache_ensure_face_centers(BMEditMesh &em, blender::bke::EditMeshData &emd)
 {
-  if (!emd.faceCos.is_empty()) {
+  if (!emd.face_centers.is_empty()) {
     return;
   }
   BMesh *bm = em.bm;
 
-  emd.faceCos.reinitialize(bm->totface);
+  emd.face_centers.reinitialize(bm->totface);
 
   BMFace *efa;
   BMIter fiter;
   int i;
-  if (emd.vertexCos.is_empty()) {
+  if (emd.vert_positions.is_empty()) {
     BM_ITER_MESH_INDEX (efa, &fiter, bm, BM_FACES_OF_MESH, i) {
-      BM_face_calc_center_median(efa, emd.faceCos[i]);
+      BM_face_calc_center_median(efa, emd.face_centers[i]);
     }
   }
   else {
     BM_mesh_elem_index_ensure(bm, BM_VERT);
     BM_ITER_MESH_INDEX (efa, &fiter, bm, BM_FACES_OF_MESH, i) {
-      BM_face_calc_center_median_vcos(
-          bm, efa, emd.faceCos[i], reinterpret_cast<const float(*)[3]>(emd.vertexCos.data()));
+      BM_face_calc_center_median_vcos(bm, efa, emd.face_centers[i], emd.vert_positions);
     }
   }
 }
@@ -102,7 +103,7 @@ std::optional<blender::Bounds<blender::float3>> BKE_editmesh_cache_calc_minmax(
     return std::nullopt;
   }
 
-  if (emd.vertexCos.is_empty()) {
+  if (emd.vert_positions.is_empty()) {
     BMVert *eve;
     BMIter iter;
     float3 min(std::numeric_limits<float>::max());
@@ -113,7 +114,7 @@ std::optional<blender::Bounds<blender::float3>> BKE_editmesh_cache_calc_minmax(
     return Bounds<float3>{min, max};
   }
 
-  return bounds::min_max(emd.vertexCos.as_span());
+  return bounds::min_max(emd.vert_positions.as_span());
 }
 
 /** \} */

source/blender/blenkernel/intern/material.cc

@@ -727,13 +727,13 @@ Material *BKE_object_material_get(Object *ob, short act)
   return ma_p ? *ma_p : nullptr;
 }
 
-static ID *get_evaluated_object_data_with_materials(Object *ob)
+static const ID *get_evaluated_object_data_with_materials(Object *ob)
 {
-  ID *data = static_cast<ID *>(ob->data);
+  const ID *data = static_cast<ID *>(ob->data);
   /* Meshes in edit mode need special handling. */
   if (ob->type == OB_MESH && ob->mode == OB_MODE_EDIT) {
-    Mesh *mesh = static_cast<Mesh *>(ob->data);
-    Mesh *editmesh_eval_final = BKE_object_get_editmesh_eval_final(ob);
+    const Mesh *mesh = static_cast<const Mesh *>(ob->data);
+    const Mesh *editmesh_eval_final = BKE_object_get_editmesh_eval_final(ob);
     if (mesh->runtime->edit_mesh && editmesh_eval_final) {
       data = &editmesh_eval_final->id;
     }
@@ -745,8 +745,8 @@ Material *BKE_object_material_get_eval(Object *ob, short act)
 {
   BLI_assert(DEG_is_evaluated_object(ob));
 
-  ID *data = get_evaluated_object_data_with_materials(ob);
-  const short *tot_slots_data_ptr = BKE_id_material_len_p(data);
+  const ID *data = get_evaluated_object_data_with_materials(ob);
+  const short *tot_slots_data_ptr = BKE_id_material_len_p(const_cast<ID *>(data));
   const int tot_slots_data = tot_slots_data_ptr ? *tot_slots_data_ptr : 0;
 
   if (tot_slots_data == 0) {
@@ -757,7 +757,7 @@ Material *BKE_object_material_get_eval(Object *ob, short act)
   const int slot_index = clamp_i(act - 1, 0, tot_slots_data - 1);
   const int tot_slots_object = ob->totcol;
 
-  Material ***materials_data_ptr = BKE_id_material_array_p(data);
+  Material ***materials_data_ptr = BKE_id_material_array_p(const_cast<ID *>(data));
   Material **materials_data = materials_data_ptr ? *materials_data_ptr : nullptr;
   Material **materials_object = ob->mat;
 

source/blender/blenkernel/intern/mesh_convert.cc

@@ -769,15 +769,15 @@ static Mesh *mesh_new_from_mball_object(Object *object)
   return BKE_mesh_copy_for_eval(mesh_eval);
 }
 
-static Mesh *mesh_new_from_mesh(Object *object, Mesh *mesh)
+static Mesh *mesh_new_from_mesh(Object *object, const Mesh *mesh)
 {
   /* While we could copy this into the new mesh,
    * add the data to 'mesh' so future calls to this function don't need to re-convert the data. */
   if (mesh->runtime->wrapper_type == ME_WRAPPER_TYPE_BMESH) {
-    BKE_mesh_wrapper_ensure_mdata(mesh);
+    BKE_mesh_wrapper_ensure_mdata(const_cast<Mesh *>(mesh));
   }
   else {
-    mesh = BKE_mesh_wrapper_ensure_subdivision(mesh);
+    mesh = BKE_mesh_wrapper_ensure_subdivision(const_cast<Mesh *>(mesh));
   }
 
   Mesh *mesh_result = (Mesh *)BKE_id_copy_ex(
@@ -828,12 +828,11 @@ static Mesh *mesh_new_from_mesh_object(Depsgraph *depsgraph,
   if (preserve_all_data_layers || preserve_origindex) {
     return mesh_new_from_mesh_object_with_layers(depsgraph, object, preserve_origindex);
   }
-  Mesh *mesh_input = (Mesh *)object->data;
+  const Mesh *mesh_input = (const Mesh *)object->data;
   /* If we are in edit mode, use evaluated mesh from edit structure, matching to what
    * viewport is using for visualization. */
   if (mesh_input->runtime->edit_mesh != nullptr) {
-    Mesh *editmesh_eval_final = BKE_object_get_editmesh_eval_final(object);
-    if (editmesh_eval_final != nullptr) {
+    if (const Mesh *editmesh_eval_final = BKE_object_get_editmesh_eval_final(object)) {
       mesh_input = editmesh_eval_final;
     }
   }

source/blender/blenkernel/intern/mesh_iterators.cc

@@ -41,12 +41,12 @@ void BKE_mesh_foreach_mapped_vert(
     BMIter iter;
     BMVert *eve;
     int i;
-    if (!mesh->runtime->edit_data->vertexCos.is_empty()) {
-      const blender::Span<blender::float3> positions = mesh->runtime->edit_data->vertexCos;
+    if (!mesh->runtime->edit_data->vert_positions.is_empty()) {
+      const blender::Span<blender::float3> positions = mesh->runtime->edit_data->vert_positions;
       blender::Span<blender::float3> vert_normals;
       if (flag & MESH_FOREACH_USE_NORMAL) {
         BKE_editmesh_cache_ensure_vert_normals(*em, *mesh->runtime->edit_data);
-        vert_normals = mesh->runtime->edit_data->vertexNos;
+        vert_normals = mesh->runtime->edit_data->vert_normals;
       }
       BM_ITER_MESH_INDEX (eve, &iter, bm, BM_VERTS_OF_MESH, i) {
         const float *no = (flag & MESH_FOREACH_USE_NORMAL) ? &vert_normals[i].x : nullptr;
@@ -100,8 +100,8 @@ void BKE_mesh_foreach_mapped_edge(
     BMIter iter;
     BMEdge *eed;
     int i;
-    if (!mesh->runtime->edit_data->vertexCos.is_empty()) {
-      const blender::Span<blender::float3> positions = mesh->runtime->edit_data->vertexCos;
+    if (!mesh->runtime->edit_data->vert_positions.is_empty()) {
+      const blender::Span<blender::float3> positions = mesh->runtime->edit_data->vert_positions;
       BM_mesh_elem_index_ensure(bm, BM_VERT);
       BM_ITER_MESH_INDEX (eed, &iter, bm, BM_EDGES_OF_MESH, i) {
         func(user_data,
@@ -159,7 +159,7 @@ void BKE_mesh_foreach_mapped_loop(Mesh *mesh,
     BMIter iter;
     BMFace *efa;
 
-    const blender::Span<blender::float3> positions = mesh->runtime->edit_data->vertexCos;
+    const blender::Span<blender::float3> positions = mesh->runtime->edit_data->vert_positions;
 
     /* XXX: investigate using EditMesh data. */
     blender::Span<blender::float3> corner_normals;
@@ -243,11 +243,11 @@ void BKE_mesh_foreach_mapped_face_center(
     int i;
 
     BKE_editmesh_cache_ensure_face_centers(*em, *mesh->runtime->edit_data);
-    face_centers = mesh->runtime->edit_data->faceCos; /* always set */
+    face_centers = mesh->runtime->edit_data->face_centers; /* always set */
 
     if (flag & MESH_FOREACH_USE_NORMAL) {
       BKE_editmesh_cache_ensure_face_normals(*em, *mesh->runtime->edit_data);
-      face_normals = mesh->runtime->edit_data->faceNos; /* maybe nullptr */
+      face_normals = mesh->runtime->edit_data->face_normals; /* maybe nullptr */
     }
 
     if (!face_normals.is_empty()) {

source/blender/blenkernel/intern/mesh_tangent.cc

@@ -297,7 +297,7 @@ static void DM_calc_loop_tangents_thread(TaskPool *__restrict /*pool*/, void *ta
   mikk.genTangSpace();
 }
 
-void BKE_mesh_add_loop_tangent_named_layer_for_uv(CustomData *uv_data,
+void BKE_mesh_add_loop_tangent_named_layer_for_uv(const CustomData *uv_data,
                                                   CustomData *tan_data,
                                                   int numLoopData,
                                                   const char *layer_name)
@@ -393,7 +393,7 @@ void BKE_mesh_calc_loop_tangent_ex(const float (*vert_positions)[3],
                                    const uint corner_tris_len,
                                    const blender::Span<bool> sharp_faces,
 
-                                   CustomData *loopdata,
+                                   const CustomData *loopdata,
                                    bool calc_active_tangent,
                                    const char (*tangent_names)[MAX_CUSTOMDATA_LAYER_NAME],
                                    int tangent_names_len,
@@ -554,7 +554,7 @@ void BKE_mesh_calc_loop_tangent_ex(const float (*vert_positions)[3],
     if (act_uv_index != -1) {
       int tan_index = CustomData_get_named_layer_index(
           loopdata, CD_TANGENT, loopdata->layers[act_uv_index].name);
-      CustomData_set_layer_active_index(loopdata, CD_TANGENT, tan_index);
+      CustomData_set_layer_active_index(loopdata_out, CD_TANGENT, tan_index);
     } /* else tangent has been built from orco */
 
     /* Update render layer index */
@@ -564,7 +564,7 @@ void BKE_mesh_calc_loop_tangent_ex(const float (*vert_positions)[3],
     if (ren_uv_index != -1) {
       int tan_index = CustomData_get_named_layer_index(
           loopdata, CD_TANGENT, loopdata->layers[ren_uv_index].name);
-      CustomData_set_layer_render_index(loopdata, CD_TANGENT, tan_index);
+      CustomData_set_layer_render_index(loopdata_out, CD_TANGENT, tan_index);
     } /* else tangent has been built from orco */
   }
 }

source/blender/blenkernel/intern/mesh_wrapper.cc

@@ -124,8 +124,8 @@ void BKE_mesh_wrapper_ensure_mdata(Mesh *mesh)
         BKE_mesh_ensure_default_orig_index_customdata_no_check(mesh);
 
         blender::bke::EditMeshData &edit_data = *mesh->runtime->edit_data;
-        if (!edit_data.vertexCos.is_empty()) {
-          mesh->vert_positions_for_write().copy_from(edit_data.vertexCos);
+        if (!edit_data.vert_positions.is_empty()) {
+          mesh->vert_positions_for_write().copy_from(edit_data.vert_positions);
           mesh->runtime->is_original_bmesh = false;
         }
 
@@ -148,35 +148,31 @@ void BKE_mesh_wrapper_ensure_mdata(Mesh *mesh)
 /** \name Mesh Coordinate Access
  * \{ */
 
-const float (*BKE_mesh_wrapper_vert_coords(const Mesh *mesh))[3]
+Span<float3> BKE_mesh_wrapper_vert_coords(const Mesh *mesh)
 {
   switch (mesh->runtime->wrapper_type) {
     case ME_WRAPPER_TYPE_BMESH:
-      if (mesh->runtime->edit_data->vertexCos.is_empty()) {
-        return nullptr;
-      }
-      return reinterpret_cast<const float(*)[3]>(mesh->runtime->edit_data->vertexCos.data());
+      return mesh->runtime->edit_data->vert_positions;
     case ME_WRAPPER_TYPE_MDATA:
     case ME_WRAPPER_TYPE_SUBD:
-      return reinterpret_cast<const float(*)[3]>(mesh->vert_positions().data());
+      return mesh->vert_positions();
   }
-  return nullptr;
+  BLI_assert_unreachable();
+  return {};
 }
 
-const float (*BKE_mesh_wrapper_face_normals(Mesh *mesh))[3]
+Span<float3> BKE_mesh_wrapper_face_normals(Mesh *mesh)
 {
   switch (mesh->runtime->wrapper_type) {
     case ME_WRAPPER_TYPE_BMESH:
       BKE_editmesh_cache_ensure_face_normals(*mesh->runtime->edit_mesh, *mesh->runtime->edit_data);
-      if (mesh->runtime->edit_data->faceNos.is_empty()) {
-        return nullptr;
-      }
-      return reinterpret_cast<const float(*)[3]>(mesh->runtime->edit_data->faceNos.data());
+      return mesh->runtime->edit_data->face_normals;
     case ME_WRAPPER_TYPE_MDATA:
     case ME_WRAPPER_TYPE_SUBD:
-      return reinterpret_cast<const float(*)[3]>(mesh->face_normals().data());
+      return mesh->face_normals();
   }
-  return nullptr;
+  BLI_assert_unreachable();
+  return {};
 }
 
 void BKE_mesh_wrapper_tag_positions_changed(Mesh *mesh)
@@ -184,9 +180,9 @@ void BKE_mesh_wrapper_tag_positions_changed(Mesh *mesh)
   switch (mesh->runtime->wrapper_type) {
     case ME_WRAPPER_TYPE_BMESH:
       if (mesh->runtime->edit_data) {
-        mesh->runtime->edit_data->vertexNos = {};
-        mesh->runtime->edit_data->faceCos = {};
-        mesh->runtime->edit_data->faceNos = {};
+        mesh->runtime->edit_data->vert_normals = {};
+        mesh->runtime->edit_data->face_centers = {};
+        mesh->runtime->edit_data->face_normals = {};
       }
       break;
     case ME_WRAPPER_TYPE_MDATA:
@@ -202,8 +198,8 @@ void BKE_mesh_wrapper_vert_coords_copy(const Mesh *mesh, blender::MutableSpan<fl
     case ME_WRAPPER_TYPE_BMESH: {
       BMesh *bm = mesh->runtime->edit_mesh->bm;
       const blender::bke::EditMeshData &edit_data = *mesh->runtime->edit_data;
-      if (!edit_data.vertexCos.is_empty()) {
-        positions.copy_from(edit_data.vertexCos);
+      if (!edit_data.vert_positions.is_empty()) {
+        positions.copy_from(edit_data.vert_positions);
       }
       else {
         BMIter iter;
@@ -234,9 +230,9 @@ void BKE_mesh_wrapper_vert_coords_copy_with_mat4(const Mesh *mesh,
       BMesh *bm = mesh->runtime->edit_mesh->bm;
       BLI_assert(vert_coords_len == bm->totvert);
       const blender::bke::EditMeshData &edit_data = *mesh->runtime->edit_data;
-      if (!edit_data.vertexCos.is_empty()) {
+      if (!edit_data.vert_positions.is_empty()) {
         for (int i = 0; i < vert_coords_len; i++) {
-          mul_v3_m4v3(vert_coords[i], mat, edit_data.vertexCos[i]);
+          mul_v3_m4v3(vert_coords[i], mat, edit_data.vert_positions[i]);
         }
       }
       else {

source/blender/blenkernel/intern/modifier.cc

@@ -879,7 +879,7 @@ static void modwrap_dependsOnNormals(Mesh *mesh)
   switch (mesh->runtime->wrapper_type) {
     case ME_WRAPPER_TYPE_BMESH: {
       blender::bke::EditMeshData &edit_data = *mesh->runtime->edit_data;
-      if (!edit_data.vertexCos.is_empty()) {
+      if (!edit_data.vert_positions.is_empty()) {
         /* Note that 'ensure' is acceptable here since these values aren't modified in-place.
          * If that changes we'll need to recalculate. */
         BKE_editmesh_cache_ensure_vert_normals(*mesh->runtime->edit_mesh, edit_data);
@@ -952,10 +952,10 @@ Mesh *BKE_modifier_get_evaluated_mesh_from_evaluated_object(Object *ob_eval)
 
   if ((ob_eval->type == OB_MESH) && (ob_eval->mode & OB_MODE_EDIT)) {
     /* In EditMode, evaluated mesh is stored in BMEditMesh, not the object... */
-    BMEditMesh *em = BKE_editmesh_from_object(ob_eval);
+    const BMEditMesh *em = BKE_editmesh_from_object(ob_eval);
     /* 'em' might not exist yet in some cases, just after loading a .blend file, see #57878. */
     if (em != nullptr) {
-      mesh = BKE_object_get_editmesh_eval_final(ob_eval);
+      mesh = const_cast<Mesh *>(BKE_object_get_editmesh_eval_final(ob_eval));
     }
   }
   if (mesh == nullptr) {

source/blender/blenkernel/intern/object.cc

@@ -2764,7 +2764,7 @@ void BKE_object_obdata_size_init(Object *ob, const float size)
 /** \name Object Matrix Get/Set API
  * \{ */
 
-void BKE_object_scale_to_mat3(Object *ob, float mat[3][3])
+void BKE_object_scale_to_mat3(const Object *ob, float mat[3][3])
 {
   float3 vec;
   mul_v3_v3v3(vec, ob->scale, ob->dscale);
@@ -2946,7 +2946,7 @@ void BKE_object_tfm_copy(Object *object_dst, const Object *object_src)
 #undef TFMCPY4D
 }
 
-void BKE_object_to_mat3(Object *ob, float r_mat[3][3]) /* no parent */
+void BKE_object_to_mat3(const Object *ob, float r_mat[3][3]) /* no parent */
 {
   float smat[3][3];
   float rmat[3][3];
@@ -2959,7 +2959,7 @@ void BKE_object_to_mat3(Object *ob, float r_mat[3][3]) /* no parent */
   mul_m3_m3m3(r_mat, rmat, smat);
 }
 
-void BKE_object_to_mat4(Object *ob, float r_mat[4][4])
+void BKE_object_to_mat4(const Object *ob, float r_mat[4][4])
 {
   float tmat[3][3];
 
@@ -2987,7 +2987,7 @@ void BKE_object_matrix_local_get(Object *ob, float r_mat[4][4])
 /**
  * \return success if \a mat is set.
  */
-static bool ob_parcurve(Object *ob, Object *par, float r_mat[4][4])
+static bool ob_parcurve(const Object *ob, Object *par, float r_mat[4][4])
 {
   Curve *cu = (Curve *)par->data;
   float vec[4], quat[4], radius, ctime;
@@ -3046,7 +3046,7 @@ static bool ob_parcurve(Object *ob, Object *par, float r_mat[4][4])
   return true;
 }
 
-static void ob_parbone(Object *ob, Object *par, float r_mat[4][4])
+static void ob_parbone(const Object *ob, const Object *par, float r_mat[4][4])
 {
   float3 vec;
 
@@ -3056,7 +3056,7 @@ static void ob_parbone(Object *ob, Object *par, float r_mat[4][4])
   }
 
   /* Make sure the bone is still valid */
-  bPoseChannel *pchan = BKE_pose_channel_find_name(par->pose, ob->parsubstr);
+  const bPoseChannel *pchan = BKE_pose_channel_find_name(par->pose, ob->parsubstr);
   if (!pchan || !pchan->bone) {
     CLOG_WARN(
         &LOG, "Parent Bone: '%s' for Object: '%s' doesn't exist", ob->parsubstr, ob->id.name + 2);
@@ -3080,15 +3080,15 @@ static void ob_parbone(Object *ob, Object *par, float r_mat[4][4])
   }
 }
 
-static void give_parvert(Object *par, int nr, float vec[3])
+static void give_parvert(const Object *par, int nr, float vec[3])
 {
   zero_v3(vec);
 
   if (par->type == OB_MESH) {
-    Mesh *mesh = (Mesh *)par->data;
-    BMEditMesh *em = mesh->runtime->edit_mesh;
-    Mesh *mesh_eval = (em) ? BKE_object_get_editmesh_eval_final(par) :
-                             BKE_object_get_evaluated_mesh(par);
+    const Mesh *mesh = (const Mesh *)par->data;
+    const BMEditMesh *em = mesh->runtime->edit_mesh;
+    const Mesh *mesh_eval = (em) ? BKE_object_get_editmesh_eval_final(par) :
+                                   BKE_object_get_evaluated_mesh(par);
 
     if (mesh_eval) {
       const Span<float3> positions = mesh_eval->vert_positions();
@@ -3111,9 +3111,9 @@ static void give_parvert(Object *par, int nr, float vec[3])
         }
         if (nr < numVerts) {
           if (mesh_eval && mesh_eval->runtime->edit_data &&
-              !mesh_eval->runtime->edit_data->vertexCos.is_empty())
+              !mesh_eval->runtime->edit_data->vert_positions.is_empty())
           {
-            add_v3_v3(vec, mesh_eval->runtime->edit_data->vertexCos[nr]);
+            add_v3_v3(vec, mesh_eval->runtime->edit_data->vert_positions[nr]);
           }
           else {
             const BMVert *v = BM_vert_at_index(em->bm, nr);
@@ -3201,7 +3201,7 @@ static void give_parvert(Object *par, int nr, float vec[3])
   }
 }
 
-static void ob_parvert3(Object *ob, Object *par, float r_mat[4][4])
+static void ob_parvert3(const Object *ob, const Object *par, float r_mat[4][4])
 {
   /* in local ob space */
   if (OB_TYPE_SUPPORT_PARVERT(par->type)) {
@@ -3222,7 +3222,7 @@ static void ob_parvert3(Object *ob, Object *par, float r_mat[4][4])
   }
 }
 
-void BKE_object_get_parent_matrix(Object *ob, Object *par, float r_parentmat[4][4])
+void BKE_object_get_parent_matrix(const Object *ob, Object *par, float r_parentmat[4][4])
 {
   float tmat[4][4];
   float vec[3];
@@ -3277,8 +3277,11 @@ void BKE_object_get_parent_matrix(Object *ob, Object *par, float r_parentmat[4][
  * \param r_originmat: Optional matrix that stores the space the object is in
  * (without its own matrix applied)
  */
-static void solve_parenting(
-    Object *ob, Object *par, const bool set_origin, float r_obmat[4][4], float r_originmat[3][3])
+static void solve_parenting(const Object *ob,
+                            Object *par,
+                            const bool set_origin,
+                            float r_obmat[4][4],
+                            float r_originmat[3][3])
 {
   float totmat[4][4];
   float tmat[4][4];
@@ -3358,7 +3361,7 @@ void BKE_object_where_is_calc_time(Depsgraph *depsgraph, Scene *scene, Object *o
   object_where_is_calc_ex(depsgraph, scene, ob, ctime, nullptr, nullptr);
 }
 
-void BKE_object_where_is_calc_mat4(Object *ob, float r_obmat[4][4])
+void BKE_object_where_is_calc_mat4(const Object *ob, float r_obmat[4][4])
 {
   if (ob->parent) {
     Object *par = ob->parent;
@@ -4202,7 +4205,7 @@ Mesh *BKE_object_get_original_mesh(const Object *object)
   return result;
 }
 
-Mesh *BKE_object_get_editmesh_eval_final(const Object *object)
+const Mesh *BKE_object_get_editmesh_eval_final(const Object *object)
 {
   BLI_assert(!DEG_is_original_id(&object->id));
   BLI_assert(object->type == OB_MESH);
@@ -4217,7 +4220,7 @@ Mesh *BKE_object_get_editmesh_eval_final(const Object *object)
   return reinterpret_cast<Mesh *>(object->runtime->data_eval);
 }
 
-Mesh *BKE_object_get_editmesh_eval_cage(const Object *object)
+const Mesh *BKE_object_get_editmesh_eval_cage(const Object *object)
 {
   BLI_assert(!DEG_is_original_id(&object->id));
   BLI_assert(object->type == OB_MESH);
@@ -4229,6 +4232,13 @@ Mesh *BKE_object_get_editmesh_eval_cage(const Object *object)
   return object->runtime->editmesh_eval_cage;
 }
 
+const Mesh *BKE_object_get_mesh_deform_eval(const Object *object)
+{
+  BLI_assert(!DEG_is_original_id(&object->id));
+  BLI_assert(object->type == OB_MESH);
+  return object->runtime->mesh_deform_eval;
+}
+
 Lattice *BKE_object_get_lattice(const Object *object)
 {
   ID *data = (ID *)object->data;
@@ -4806,7 +4816,7 @@ int BKE_object_scenes_users_get(Main *bmain, Object *ob)
   return num_scenes;
 }
 
-MovieClip *BKE_object_movieclip_get(Scene *scene, Object *ob, bool use_default)
+MovieClip *BKE_object_movieclip_get(Scene *scene, const Object *ob, bool use_default)
 {
   MovieClip *clip = use_default ? scene->clip : nullptr;
   bConstraint *con = (bConstraint *)ob->constraints.first, *scon = nullptr;
@@ -5039,8 +5049,9 @@ KDTree_3d *BKE_object_as_kdtree(Object *ob, int *r_tot)
       Mesh *mesh = (Mesh *)ob->data;
       uint i;
 
-      Mesh *mesh_eval = ob->runtime->mesh_deform_eval ? ob->runtime->mesh_deform_eval :
-                                                        BKE_object_get_evaluated_mesh(ob);
+      const Mesh *mesh_eval = BKE_object_get_mesh_deform_eval(ob) ?
+                                  BKE_object_get_mesh_deform_eval(ob) :
+                                  BKE_object_get_evaluated_mesh(ob);
       const int *index;
 
       if (mesh_eval &&

source/blender/blenkernel/intern/object_dupli.cc

@@ -472,11 +472,11 @@ static const Mesh *mesh_data_from_duplicator_object(Object *ob,
       *r_em = em;
       mesh_eval = nullptr;
 
-      if ((emd != nullptr) && !emd->vertexCos.is_empty()) {
-        *r_vert_coords = reinterpret_cast<const float(*)[3]>(emd->vertexCos.data());
+      if ((emd != nullptr) && !emd->vert_positions.is_empty()) {
+        *r_vert_coords = reinterpret_cast<const float(*)[3]>(emd->vert_positions.data());
         if (r_vert_normals != nullptr) {
           BKE_editmesh_cache_ensure_vert_normals(*em, *emd);
-          *r_vert_normals = reinterpret_cast<const float(*)[3]>(emd->vertexNos.data());
+          *r_vert_normals = reinterpret_cast<const float(*)[3]>(emd->vert_normals.data());
         }
       }
     }

source/blender/blenkernel/intern/paint.cc

@@ -1755,7 +1755,7 @@ static void sculpt_update_object(Depsgraph *depsgraph,
   Scene *scene = DEG_get_input_scene(depsgraph);
   Sculpt *sd = scene->toolsettings->sculpt;
   SculptSession *ss = ob->sculpt;
-  Mesh *mesh = BKE_object_get_original_mesh(ob);
+  Mesh *mesh_orig = BKE_object_get_original_mesh(ob);
   Mesh *mesh_eval = BKE_object_get_evaluated_mesh(ob_eval);
   MultiresModifierData *mmd = sculpt_multires_modifier_get(scene, ob, true);
   const bool use_face_sets = (ob->mode & OB_MODE_SCULPT) != 0;
@@ -1786,28 +1786,28 @@ static void sculpt_update_object(Depsgraph *depsgraph,
     ss->multires.level = mmd->sculptlvl;
     ss->totvert = mesh_eval->verts_num;
     ss->faces_num = mesh_eval->faces_num;
-    ss->totfaces = mesh->faces_num;
+    ss->totfaces = mesh_orig->faces_num;
 
     /* These are assigned to the base mesh in Multires. This is needed because Face Sets operators
      * and tools use the Face Sets data from the base mesh when Multires is active. */
-    ss->vert_positions = mesh->vert_positions_for_write();
-    ss->faces = mesh->faces();
-    ss->corner_verts = mesh->corner_verts();
+    ss->vert_positions = mesh_orig->vert_positions_for_write();
+    ss->faces = mesh_orig->faces();
+    ss->corner_verts = mesh_orig->corner_verts();
   }
   else {
-    ss->totvert = mesh->verts_num;
-    ss->faces_num = mesh->faces_num;
-    ss->totfaces = mesh->faces_num;
-    ss->vert_positions = mesh->vert_positions_for_write();
-    ss->faces = mesh->faces();
-    ss->corner_verts = mesh->corner_verts();
+    ss->totvert = mesh_orig->verts_num;
+    ss->faces_num = mesh_orig->faces_num;
+    ss->totfaces = mesh_orig->faces_num;
+    ss->vert_positions = mesh_orig->vert_positions_for_write();
+    ss->faces = mesh_orig->faces();
+    ss->corner_verts = mesh_orig->corner_verts();
     ss->multires.active = false;
     ss->multires.modifier = nullptr;
     ss->multires.level = 0;
 
     CustomDataLayer *layer;
     AttrDomain domain;
-    if (BKE_pbvh_get_color_layer(mesh, &layer, &domain)) {
+    if (BKE_pbvh_get_color_layer(mesh_orig, &layer, &domain)) {
       if (layer->type == CD_PROP_COLOR) {
         ss->vcol = static_cast<MPropCol *>(layer->data);
       }
@@ -1830,13 +1830,14 @@ static void sculpt_update_object(Depsgraph *depsgraph,
   /* Sculpt Face Sets. */
   if (use_face_sets) {
     ss->face_sets = static_cast<const int *>(
-        CustomData_get_layer_named(&mesh->face_data, CD_PROP_INT32, ".sculpt_face_set"));
+        CustomData_get_layer_named(&mesh_orig->face_data, CD_PROP_INT32, ".sculpt_face_set"));
   }
   else {
     ss->face_sets = nullptr;
   }
 
-  ss->hide_poly = (bool *)CustomData_get_layer_named(&mesh->face_data, CD_PROP_BOOL, ".hide_poly");
+  ss->hide_poly = (bool *)CustomData_get_layer_named(
+      &mesh_orig->face_data, CD_PROP_BOOL, ".hide_poly");
 
   ss->subdiv_ccg = mesh_eval->runtime->subdiv_ccg.get();
 
@@ -1850,7 +1851,7 @@ static void sculpt_update_object(Depsgraph *depsgraph,
   sculpt_update_persistent_base(ob);
 
   if (ob->type == OB_MESH) {
-    ss->vert_to_face_map = mesh->vert_to_face_map();
+    ss->vert_to_face_map = mesh_orig->vert_to_face_map();
   }
 
   if (ss->pbvh) {
@@ -1862,7 +1863,7 @@ static void sculpt_update_object(Depsgraph *depsgraph,
     bool used_me_eval = false;
 
     if (ob->mode & (OB_MODE_VERTEX_PAINT | OB_MODE_WEIGHT_PAINT)) {
-      Mesh *me_eval_deform = ob_eval->runtime->mesh_deform_eval;
+      const Mesh *me_eval_deform = BKE_object_get_mesh_deform_eval(ob_eval);
 
       /* If the fully evaluated mesh has the same topology as the deform-only version, use it.
        * This matters because crazyspace evaluation is very restrictive and excludes even modifiers
@@ -1873,7 +1874,7 @@ static void sculpt_update_object(Depsgraph *depsgraph,
       {
         BKE_sculptsession_free_deformMats(ss);
 
-        BLI_assert(me_eval_deform->verts_num == mesh->verts_num);
+        BLI_assert(me_eval_deform->verts_num == mesh_orig->verts_num);
 
         ss->deform_cos = mesh_eval->vert_positions();
         BKE_pbvh_vert_coords_apply(ss->pbvh, ss->deform_cos);
@@ -1887,8 +1888,8 @@ static void sculpt_update_object(Depsgraph *depsgraph,
 
       ss->orig_cos = (ss->shapekey_active) ?
                          Span(static_cast<const float3 *>(ss->shapekey_active->data),
-                              mesh->verts_num) :
-                         mesh->vert_positions();
+                              mesh_orig->verts_num) :
+                         mesh_orig->vert_positions();
 
       BKE_crazyspace_build_sculpt(depsgraph, scene, ob, ss->deform_imats, ss->deform_cos);
       BKE_pbvh_vert_coords_apply(ss->pbvh, ss->deform_cos);
@@ -1903,14 +1904,16 @@ static void sculpt_update_object(Depsgraph *depsgraph,
   }
 
   if (ss->shapekey_active != nullptr && ss->deform_cos.is_empty()) {
-    ss->deform_cos = Span(static_cast<const float3 *>(ss->shapekey_active->data), mesh->verts_num);
+    ss->deform_cos = Span(static_cast<const float3 *>(ss->shapekey_active->data),
+                          mesh_orig->verts_num);
   }
 
   /* if pbvh is deformed, key block is already applied to it */
   if (ss->shapekey_active) {
     bool pbvh_deformed = BKE_pbvh_is_deformed(ss->pbvh);
     if (!pbvh_deformed || ss->deform_cos.is_empty()) {
-      const Span key_data(static_cast<const float3 *>(ss->shapekey_active->data), mesh->verts_num);
+      const Span key_data(static_cast<const float3 *>(ss->shapekey_active->data),
+                          mesh_orig->verts_num);
 
       if (key_data.data() != nullptr) {
         if (!pbvh_deformed) {
@@ -2220,7 +2223,7 @@ static PBVH *build_pbvh_for_dynamic_topology(Object *ob)
                            ob->sculpt->attrs.dyntopo_node_id_face->bmesh_cd_offset);
 }
 
-static PBVH *build_pbvh_from_regular_mesh(Object *ob, Mesh *me_eval_deform)
+static PBVH *build_pbvh_from_regular_mesh(Object *ob, const Mesh *me_eval_deform)
 {
   Mesh *mesh = BKE_object_get_original_mesh(ob);
   PBVH *pbvh = pbvh::build_mesh(mesh);
@@ -2293,7 +2296,7 @@ PBVH *BKE_sculpt_object_pbvh_ensure(Depsgraph *depsgraph, Object *ob)
       pbvh = build_pbvh_from_ccg(ob, mesh_eval->runtime->subdiv_ccg.get());
     }
     else if (ob->type == OB_MESH) {
-      Mesh *me_eval_deform = object_eval->runtime->mesh_deform_eval;
+      const Mesh *me_eval_deform = BKE_object_get_mesh_deform_eval(object_eval);
       pbvh = build_pbvh_from_regular_mesh(ob, me_eval_deform);
     }
   }

source/blender/blenkernel/intern/rigidbody.cc

@@ -44,7 +44,6 @@
 #include "BKE_mesh.hh"
 #include "BKE_mesh_runtime.hh"
 #include "BKE_object.hh"
-#include "BKE_object_types.hh"
 #include "BKE_pointcache.h"
 #include "BKE_report.hh"
 #include "BKE_rigidbody.h"
@@ -338,13 +337,13 @@ void BKE_rigidbody_object_copy(Main *bmain, Object *ob_dst, const Object *ob_src
 /* Setup Utilities - Validate Sim Instances */
 
 /* get the appropriate evaluated mesh based on rigid body mesh source */
-static Mesh *rigidbody_get_mesh(Object *ob)
+static const Mesh *rigidbody_get_mesh(Object *ob)
 {
   BLI_assert(ob->type == OB_MESH);
 
   switch (ob->rigidbody_object->mesh_source) {
     case RBO_MESH_DEFORM:
-      return ob->runtime->mesh_deform_eval;
+      return BKE_object_get_mesh_deform_eval(ob);
     case RBO_MESH_FINAL:
       return BKE_object_get_evaluated_mesh(ob);
     case RBO_MESH_BASE:
@@ -366,13 +365,13 @@ static rbCollisionShape *rigidbody_get_shape_convexhull_from_mesh(Object *ob,
                                                                   bool *can_embed)
 {
   rbCollisionShape *shape = nullptr;
-  Mesh *mesh = nullptr;
-  float(*positions)[3] = nullptr;
+  const Mesh *mesh = nullptr;
+  const float(*positions)[3] = nullptr;
   int totvert = 0;
 
   if (ob->type == OB_MESH && ob->data) {
     mesh = rigidbody_get_mesh(ob);
-    positions = (mesh) ? reinterpret_cast<float(*)[3]>(mesh->vert_positions_for_write().data()) :
+    positions = (mesh) ? reinterpret_cast<const float(*)[3]>(mesh->vert_positions().data()) :
                          nullptr;
     totvert = (mesh) ? mesh->verts_num : 0;
   }
@@ -399,7 +398,7 @@ static rbCollisionShape *rigidbody_get_shape_trimesh_from_mesh(Object *ob)
   rbCollisionShape *shape = nullptr;
 
   if (ob->type == OB_MESH) {
-    Mesh *mesh = rigidbody_get_mesh(ob);
+    const Mesh *mesh = rigidbody_get_mesh(ob);
     if (mesh == nullptr) {
       return nullptr;
     }
@@ -668,7 +667,7 @@ void BKE_rigidbody_calc_volume(Object *ob, float *r_vol)
     case RB_SHAPE_CONVEXH:
     case RB_SHAPE_TRIMESH: {
       if (ob->type == OB_MESH) {
-        Mesh *mesh = rigidbody_get_mesh(ob);
+        const Mesh *mesh = rigidbody_get_mesh(ob);
         if (mesh == nullptr) {
           return;
         }
@@ -742,7 +741,7 @@ void BKE_rigidbody_calc_center_of_mass(Object *ob, float r_center[3])
     case RB_SHAPE_CONVEXH:
     case RB_SHAPE_TRIMESH: {
       if (ob->type == OB_MESH) {
-        Mesh *mesh = rigidbody_get_mesh(ob);
+        const Mesh *mesh = rigidbody_get_mesh(ob);
         if (mesh == nullptr) {
           return;
         }
@@ -1763,10 +1762,10 @@ static void rigidbody_update_sim_ob(Depsgraph *depsgraph, Object *ob, RigidBodyO
   const bool is_selected = base ? (base->flag & BASE_SELECTED) != 0 : false;
 
   if (rbo->shape == RB_SHAPE_TRIMESH && rbo->flag & RBO_FLAG_USE_DEFORM) {
-    Mesh *mesh = ob->runtime->mesh_deform_eval;
+    const Mesh *mesh = BKE_object_get_mesh_deform_eval(ob);
     if (mesh) {
-      float(*positions)[3] = reinterpret_cast<float(*)[3]>(
-          mesh->vert_positions_for_write().data());
+      const float(*positions)[3] = reinterpret_cast<const float(*)[3]>(
+          mesh->vert_positions().data());
       int totvert = mesh->verts_num;
       const std::optional<blender::Bounds<blender::float3>> bounds = BKE_object_boundbox_get(ob);
 

source/blender/blenkernel/intern/shrinkwrap.cc

@@ -1032,7 +1032,9 @@ static void mesh_corner_tris_target_project(void *userdata,
     update_hit(nearest, index, co, hit_co, hit_no);
   }
   /* Boundary edges */
-  else if (tree->boundary && tree->boundary->tri_has_boundary[index]) {
+  else if (tree->boundary && tree->boundary->has_boundary() &&
+           tree->boundary->tri_has_boundary[index])
+  {
     const BitSpan is_boundary = tree->boundary->edge_is_boundary;
     const int3 edges = bke::mesh::corner_tri_get_real_edges(
         data->edges, data->corner_verts, tree->corner_edges, tri);

source/blender/blenkernel/intern/tracking.cc

@@ -367,7 +367,7 @@ void BKE_tracking_settings_init(MovieTracking *tracking)
   BKE_tracking_object_add(tracking, DATA_("Camera"));
 }
 
-void BKE_tracking_get_camera_object_matrix(Object *camera_object, float mat[4][4])
+void BKE_tracking_get_camera_object_matrix(const Object *camera_object, float mat[4][4])
 {
   BLI_assert(camera_object != nullptr);
   /* NOTE: Construct matrix from scratch rather than using obmat because the camera object here

source/blender/blenlib/intern/noise.cc

@@ -490,21 +490,40 @@ BLI_INLINE float perlin_noise(float4 position)
 
 float perlin_signed(float position)
 {
+  /* Repeat Perlin noise texture every 100000.0 on each axis to prevent floating point
+   * representation issues. */
+  position = math::mod(position, 100000.0f);
+
   return perlin_noise(position) * 0.2500f;
 }
 
 float perlin_signed(float2 position)
 {
+  /* Repeat Perlin noise texture every 100000.0f on each axis to prevent floating point
+   * representation issues. This causes discontinuities every 100000.0f, however at such scales
+   * this usually shouldn't be noticeable. */
+  position = math::mod(position, 100000.0f);
+
   return perlin_noise(position) * 0.6616f;
 }
 
 float perlin_signed(float3 position)
 {
+  /* Repeat Perlin noise texture every 100000.0f on each axis to prevent floating point
+   * representation issues. This causes discontinuities every 100000.0f, however at such scales
+   * this usually shouldn't be noticeable. */
+  position = math::mod(position, 100000.0f);
+
   return perlin_noise(position) * 0.9820f;
 }
 
 float perlin_signed(float4 position)
 {
+  /* Repeat Perlin noise texture every 100000.0f on each axis to prevent floating point
+   * representation issues. This causes discontinuities every 100000.0f, however at such scales
+   * this usually shouldn't be noticeable. */
+  position = math::mod(position, 100000.0f);
+
   return perlin_noise(position) * 0.8344f;
 }
 

source/blender/bmesh/intern/bmesh_mesh.cc

@@ -22,6 +22,10 @@
 
 #include "bmesh.hh"
 
+using blender::Array;
+using blender::float3;
+using blender::MutableSpan;
+
 const BMAllocTemplate bm_mesh_allocsize_default = {512, 1024, 2048, 512};
 const BMAllocTemplate bm_mesh_chunksize_default = {512, 1024, 2048, 512};
 
@@ -1328,23 +1332,21 @@ void BM_mesh_toolflags_set(BMesh *bm, bool use_toolflags)
 /** \name BMesh Coordinate Access
  * \{ */
 
-void BM_mesh_vert_coords_get(BMesh *bm, float (*vert_coords)[3])
+void BM_mesh_vert_coords_get(BMesh *bm, MutableSpan<float3> positions)
 {
   BMIter iter;
   BMVert *v;
   int i;
   BM_ITER_MESH_INDEX (v, &iter, bm, BM_VERTS_OF_MESH, i) {
-    copy_v3_v3(vert_coords[i], v->co);
+    positions[i] = v->co;
   }
 }
 
-float (*BM_mesh_vert_coords_alloc(BMesh *bm, int *r_vert_len))[3]
+Array<float3> BM_mesh_vert_coords_alloc(BMesh *bm)
 {
-  float(*vert_coords)[3] = static_cast<float(*)[3]>(
-      MEM_mallocN(bm->totvert * sizeof(*vert_coords), __func__));
-  BM_mesh_vert_coords_get(bm, vert_coords);
-  *r_vert_len = bm->totvert;
-  return vert_coords;
+  Array<float3> positions(bm->totvert);
+  BM_mesh_vert_coords_get(bm, positions);
+  return positions;
 }
 
 void BM_mesh_vert_coords_apply(BMesh *bm, const float (*vert_coords)[3])

source/blender/bmesh/intern/bmesh_mesh.hh

@@ -8,6 +8,10 @@
  * \ingroup bmesh
  */
 
+#include "BLI_array.hh"
+#include "BLI_math_vector_types.hh"
+#include "BLI_span.hh"
+
 #include "bmesh_class.hh"
 
 struct BMAllocTemplate;
@@ -197,8 +201,8 @@ extern const BMAllocTemplate bm_mesh_chunksize_default;
   VA_NARGS_CALL_OVERLOAD(_VA_BMALLOC_TEMPLATE_FROM_ME_, __VA_ARGS__)
 
 /* Vertex coords access. */
-void BM_mesh_vert_coords_get(BMesh *bm, float (*vert_coords)[3]);
-float (*BM_mesh_vert_coords_alloc(BMesh *bm, int *r_vert_len))[3];
+void BM_mesh_vert_coords_get(BMesh *bm, blender::MutableSpan<blender::float3> positions);
+blender::Array<blender::float3> BM_mesh_vert_coords_alloc(BMesh *bm);
 void BM_mesh_vert_coords_apply(BMesh *bm, const float (*vert_coords)[3]);
 void BM_mesh_vert_coords_apply_with_mat4(BMesh *bm,
                                          const float (*vert_coords)[3],

source/blender/bmesh/intern/bmesh_polygon.cc

@@ -90,9 +90,8 @@ static float bm_face_calc_poly_normal_vertex_cos(const BMFace *f,
 /**
  * \brief COMPUTE POLY CENTER (BMFace)
  */
-static void bm_face_calc_poly_center_median_vertex_cos(const BMFace *f,
-                                                       float r_cent[3],
-                                                       float const (*vertexCos)[3])
+static void bm_face_calc_poly_center_median_vertex_cos(
+    const BMFace *f, float r_cent[3], const blender::Span<blender::float3> vert_positions)
 {
   const BMLoop *l_first, *l_iter;
 
@@ -101,7 +100,7 @@ static void bm_face_calc_poly_center_median_vertex_cos(const BMFace *f,
   /* Newell's Method */
   l_iter = l_first = BM_FACE_FIRST_LOOP(f);
   do {
-    add_v3_v3(r_cent, vertexCos[BM_elem_index_get(l_iter->v)]);
+    add_v3_v3(r_cent, vert_positions[BM_elem_index_get(l_iter->v)]);
   } while ((l_iter = l_iter->next) != l_first);
   mul_v3_fl(r_cent, 1.0f / f->len);
 }
@@ -520,7 +519,7 @@ void BM_face_calc_center_bounds(const BMFace *f, float r_cent[3])
 void BM_face_calc_center_bounds_vcos(const BMesh *bm,
                                      const BMFace *f,
                                      float r_cent[3],
-                                     float const (*vertexCos)[3])
+                                     const blender::Span<blender::float3> vert_positions)
 {
   /* must have valid index data */
   BLI_assert((bm->elem_index_dirty & BM_VERT) == 0);
@@ -533,7 +532,7 @@ void BM_face_calc_center_bounds_vcos(const BMesh *bm,
 
   l_iter = l_first = BM_FACE_FIRST_LOOP(f);
   do {
-    minmax_v3v3_v3(min, max, vertexCos[BM_elem_index_get(l_iter->v)]);
+    minmax_v3v3_v3(min, max, vert_positions[BM_elem_index_get(l_iter->v)]);
   } while ((l_iter = l_iter->next) != l_first);
 
   mid_v3_v3v3(r_cent, min, max);
@@ -900,13 +899,13 @@ float BM_face_calc_normal_subset(const BMLoop *l_first, const BMLoop *l_last, fl
 void BM_face_calc_center_median_vcos(const BMesh *bm,
                                      const BMFace *f,
                                      float r_cent[3],
-                                     float const (*vertexCos)[3])
+                                     const blender::Span<blender::float3> vert_positions)
 {
   /* must have valid index data */
   BLI_assert((bm->elem_index_dirty & BM_VERT) == 0);
   (void)bm;
 
-  bm_face_calc_poly_center_median_vertex_cos(f, r_cent, vertexCos);
+  bm_face_calc_poly_center_median_vertex_cos(f, r_cent, vert_positions);
 }
 
 void BM_face_normal_flip_ex(BMesh *bm,

source/blender/bmesh/intern/bmesh_polygon.hh

@@ -11,6 +11,8 @@
 struct Heap;
 
 #include "BLI_compiler_attrs.h"
+#include "BLI_math_vector_types.hh"
+#include "BLI_span.hh"
 
 /**
  * For tools that insist on using triangles, ideally we would cache this data.
@@ -128,7 +130,7 @@ void BM_face_calc_center_bounds(const BMFace *f, float r_cent[3]) ATTR_NONNULL()
 void BM_face_calc_center_bounds_vcos(const BMesh *bm,
                                      const BMFace *f,
                                      float r_center[3],
-                                     float const (*vertexCos)[3]) ATTR_NONNULL();
+                                     blender::Span<blender::float3> vert_positions) ATTR_NONNULL();
 /**
  * computes the center of a face, using the mean average
  */
@@ -137,7 +139,8 @@ void BM_face_calc_center_median(const BMFace *f, float r_center[3]) ATTR_NONNULL
 void BM_face_calc_center_median_vcos(const BMesh *bm,
                                      const BMFace *f,
                                      float r_center[3],
-                                     float const (*vertexCos)[3]) ATTR_NONNULL();
+                                     const blender::Span<blender::float3> vert_positions)
+    ATTR_NONNULL();
 /**
  * computes the center of a face, using the mean average
  * weighted by edge length

source/blender/draw/CMakeLists.txt

@@ -586,6 +586,7 @@ set(GLSL_SRC
   engines/eevee_next/shaders/eevee_shadow_tag_usage_vert.glsl
   engines/eevee_next/shaders/eevee_shadow_tag_usage_volume_comp.glsl
   engines/eevee_next/shaders/eevee_shadow_test.glsl
+  engines/eevee_next/shaders/eevee_shadow_tilemap_amend_comp.glsl
   engines/eevee_next/shaders/eevee_shadow_tilemap_bounds_comp.glsl
   engines/eevee_next/shaders/eevee_shadow_tilemap_finalize_comp.glsl
   engines/eevee_next/shaders/eevee_shadow_tilemap_init_comp.glsl

source/blender/draw/engines/eevee_next/eevee_defines.hh

@@ -87,6 +87,8 @@
 #define SHADOW_TILEDATA_PER_TILEMAP \
   (SHADOW_TILEMAP_LOD0_LEN + SHADOW_TILEMAP_LOD1_LEN + SHADOW_TILEMAP_LOD2_LEN + \
    SHADOW_TILEMAP_LOD3_LEN + SHADOW_TILEMAP_LOD4_LEN + SHADOW_TILEMAP_LOD5_LEN)
+/* Maximum number of relative LOD distance we can store. */
+#define SHADOW_TILEMAP_MAX_CLIPMAP_LOD 8
 #if 0
 /* Useful for debugging the tile-copy version of the shadow rendering without making debugging
  * tools unresponsive. */

source/blender/draw/engines/eevee_next/eevee_shader.cc

@@ -241,6 +241,8 @@ const char *ShaderModule::static_shader_create_info_name_get(eShaderType shader_
       return "eevee_shadow_page_free";
     case SHADOW_PAGE_MASK:
       return "eevee_shadow_page_mask";
+    case SHADOW_TILEMAP_AMEND:
+      return "eevee_shadow_tilemap_amend";
     case SHADOW_TILEMAP_BOUNDS:
       return "eevee_shadow_tilemap_bounds";
     case SHADOW_TILEMAP_FINALIZE:

source/blender/draw/engines/eevee_next/eevee_shader.hh

@@ -120,6 +120,7 @@ enum eShaderType {
   SHADOW_PAGE_MASK,
   SHADOW_PAGE_TILE_CLEAR,
   SHADOW_PAGE_TILE_STORE,
+  SHADOW_TILEMAP_AMEND,
   SHADOW_TILEMAP_BOUNDS,
   SHADOW_TILEMAP_FINALIZE,
   SHADOW_TILEMAP_INIT,

source/blender/draw/engines/eevee_next/eevee_shader_shared.hh

@@ -1231,8 +1231,6 @@ struct ShadowTileData {
   uint3 page;
   /** Page index inside pages_cached_buf. Only valid if `is_cached` is true. */
   uint cache_index;
-  /** LOD pointed to LOD 0 tile page. (cube-map only). */
-  uint lod;
   /** If the tile is needed for rendering. */
   bool is_used;
   /** True if an update is needed. This persists even if the tile gets unused. */
@@ -1279,8 +1277,7 @@ static inline ShadowTileData shadow_tile_unpack(ShadowTileDataPacked data)
   ShadowTileData tile;
   tile.page = shadow_page_unpack(data);
   /* -- 12 bits -- */
-  BLI_STATIC_ASSERT(SHADOW_TILEMAP_LOD < 8, "Update page packing")
-  tile.lod = (data >> 12u) & 7u;
+  /* Unused bits. */
   /* -- 15 bits -- */
   BLI_STATIC_ASSERT(SHADOW_MAX_PAGE <= 4096, "Update page packing")
   tile.cache_index = (data >> 15u) & 4095u;
@@ -1299,7 +1296,6 @@ static inline ShadowTileDataPacked shadow_tile_pack(ShadowTileData tile)
   /* NOTE: Page might be set to invalid values for tracking invalid usages.
    * So we have to mask the result. */
   data = shadow_page_pack(tile.page) & uint(SHADOW_MAX_PAGE - 1);
-  data |= (tile.lod & 7u) << 12u;
   data |= (tile.cache_index & 4095u) << 15u;
   data |= (tile.is_used ? uint(SHADOW_IS_USED) : 0);
   data |= (tile.is_allocated ? uint(SHADOW_IS_ALLOCATED) : 0);
@@ -1309,6 +1305,89 @@ static inline ShadowTileDataPacked shadow_tile_pack(ShadowTileData tile)
   return data;
 }
 
+/**
+ * Decoded tile data structure.
+ * Similar to ShadowTileData, this one is only used for rendering and packed into `tilemap_tx`.
+ * This allow to reuse some bits for other purpose.
+ */
+struct ShadowSamplingTile {
+  /** Page inside the virtual shadow map atlas. */
+  uint3 page;
+  /** LOD pointed to LOD 0 tile page. */
+  uint lod;
+  /** Offset to the texel position to align with the LOD page start. (directional only). */
+  uint2 lod_offset;
+  /** If the tile is needed for rendering. */
+  bool is_valid;
+};
+/** \note Stored packed as a uint. */
+#define ShadowSamplingTilePacked uint
+
+/* NOTE: Trust the input to be in valid range [0, (1 << SHADOW_TILEMAP_MAX_CLIPMAP_LOD) - 1].
+ * Maximum LOD level index we can store is SHADOW_TILEMAP_MAX_CLIPMAP_LOD,
+ * so we need SHADOW_TILEMAP_MAX_CLIPMAP_LOD bits to store the offset in each dimension.
+ * Result fits into SHADOW_TILEMAP_MAX_CLIPMAP_LOD * 2 bits. */
+static inline uint shadow_lod_offset_pack(uint2 ofs)
+{
+  BLI_STATIC_ASSERT(SHADOW_TILEMAP_MAX_CLIPMAP_LOD <= 8, "Update page packing")
+  return ofs.x | (ofs.y << SHADOW_TILEMAP_MAX_CLIPMAP_LOD);
+}
+static inline uint2 shadow_lod_offset_unpack(uint data)
+{
+  return (uint2(data) >> uint2(0, SHADOW_TILEMAP_MAX_CLIPMAP_LOD)) &
+         uint2((1 << SHADOW_TILEMAP_MAX_CLIPMAP_LOD) - 1);
+}
+
+static inline ShadowSamplingTile shadow_sampling_tile_unpack(ShadowSamplingTilePacked data)
+{
+  ShadowSamplingTile tile;
+  tile.page = shadow_page_unpack(data);
+  /* -- 12 bits -- */
+  /* Max value is actually SHADOW_TILEMAP_MAX_CLIPMAP_LOD but we mask the bits. */
+  tile.lod = (data >> 12u) & 15u;
+  /* -- 16 bits -- */
+  tile.lod_offset = shadow_lod_offset_unpack(data >> 16u);
+  /* -- 32 bits -- */
+  tile.is_valid = data != 0u;
+#ifndef GPU_SHADER
+  /* Make tests pass on CPU but it is not required for proper rendering. */
+  if (tile.lod == 0) {
+    tile.lod_offset.x = 0;
+  }
+#endif
+  return tile;
+}
+
+static inline ShadowSamplingTilePacked shadow_sampling_tile_pack(ShadowSamplingTile tile)
+{
+  if (!tile.is_valid) {
+    return 0u;
+  }
+  /* Tag a valid tile of LOD0 valid by setting their offset to 1.
+   * This doesn't change the sampling and allows to use of all bits for data.
+   * This makes sure no valid packed tile is 0u. */
+  if (tile.lod == 0) {
+    tile.lod_offset.x = 1;
+  }
+  uint data = shadow_page_pack(tile.page);
+  /* Max value is actually SHADOW_TILEMAP_MAX_CLIPMAP_LOD but we mask the bits. */
+  data |= (tile.lod & 15u) << 12u;
+  data |= shadow_lod_offset_pack(tile.lod_offset) << 16u;
+  return data;
+}
+
+static inline ShadowSamplingTile shadow_sampling_tile_create(ShadowTileData tile_data, uint lod)
+{
+  ShadowSamplingTile tile;
+  tile.page = tile_data.page;
+  tile.lod = lod;
+  tile.lod_offset = uint2(0, 0); /* Computed during tilemap amend phase. */
+  /* At this point, it should be the case that all given tiles that have been tagged as used are
+   * ready for sampling. Otherwise tile_data should be SHADOW_NO_DATA. */
+  tile.is_valid = tile_data.is_used;
+  return tile;
+}
+
 struct ShadowSceneData {
   /* Number of shadow rays to shoot for each light. */
   int ray_count;

source/blender/draw/engines/eevee_next/eevee_shadow.cc

@@ -1199,6 +1199,15 @@ void ShadowModule::end_sync()
         sub.barrier(GPU_BARRIER_SHADER_STORAGE | GPU_BARRIER_UNIFORM | GPU_BARRIER_TEXTURE_FETCH |
                     GPU_BARRIER_SHADER_IMAGE_ACCESS);
       }
+      {
+        /* Amend tilemap_tx content to support clipmap LODs. */
+        PassSimple::Sub &sub = pass.sub("Amend");
+        sub.shader_set(inst_.shaders.static_shader_get(SHADOW_TILEMAP_AMEND));
+        sub.bind_image("tilemaps_img", tilemap_pool.tilemap_tx);
+        sub.bind_resources(inst_.lights);
+        sub.dispatch(int3(1));
+        sub.barrier(GPU_BARRIER_TEXTURE_FETCH);
+      }
 
       /* NOTE: We do not need to run the clear pass when using the TBDR update variant, as tiles
        * will be fully cleared as part of the shadow raster step. */

source/blender/draw/engines/eevee_next/shaders/eevee_shadow_debug_frag.glsl

@@ -33,7 +33,6 @@ void debug_tile_print(ShadowTileData tile, ivec4 tile_coord)
 {
 #ifdef DRW_DEBUG_PRINT
   drw_print("Tile (", tile_coord.x, ",", tile_coord.y, ") in Tilemap ", tile_coord.z, " : ");
-  drw_print(tile.lod);
   drw_print(tile.page);
   drw_print(tile.cache_index);
 #endif
@@ -41,10 +40,6 @@ void debug_tile_print(ShadowTileData tile, ivec4 tile_coord)
 
 vec3 debug_tile_state_color(ShadowTileData tile)
 {
-  if (tile.lod > 0) {
-    /* Uses data from another LOD. */
-    return neon_gradient(float(tile.lod) / float(SHADOW_TILEMAP_LOD));
-  }
   if (tile.do_update && tile.is_used) {
     /* Updated. */
     return vec3(0.5, 1, 0);
@@ -63,6 +58,17 @@ vec3 debug_tile_state_color(ShadowTileData tile)
   return col;
 }
 
+vec3 debug_tile_state_color(eLightType type, ShadowSamplingTile tile)
+{
+  if (!tile.is_valid) {
+    return vec3(1, 0, 0);
+  }
+  /* Uses data from another LOD. */
+  return neon_gradient(float(tile.lod) / float((type == LIGHT_SUN) ?
+                                                   SHADOW_TILEMAP_MAX_CLIPMAP_LOD :
+                                                   SHADOW_TILEMAP_LOD));
+}
+
 ShadowSampleParams debug_shadow_sample_get(vec3 P, LightData light)
 {
   if (is_sun_light(light.type)) {
@@ -73,7 +79,7 @@ ShadowSampleParams debug_shadow_sample_get(vec3 P, LightData light)
   }
 }
 
-ShadowTileData debug_tile_get(vec3 P, LightData light)
+ShadowSamplingTile debug_tile_get(vec3 P, LightData light)
 {
   return shadow_tile_data_get(shadow_tilemaps_tx, debug_shadow_sample_get(P, light));
 }
@@ -106,6 +112,26 @@ bool debug_tilemaps(vec3 P, LightData light)
   int tilemap = px.x / SHADOW_TILEMAP_RES;
   int tilemap_index = light.tilemap_index + tilemap;
   if ((px.y < SHADOW_TILEMAP_RES) && (tilemap_index <= light_tilemap_max_get(light))) {
+#if 1
+    /* Debug values in the tilemap_tx. */
+    ivec2 tilemap_texel = shadow_tile_coord_in_atlas(px, tilemap_index);
+    ShadowSamplingTile tile = shadow_sampling_tile_unpack(
+        texelFetch(shadow_tilemaps_tx, tilemap_texel, 0).x);
+    /* Leave 1 px border between tile-maps. */
+    if (!any(equal(ivec2(gl_FragCoord.xy) % (SHADOW_TILEMAP_RES * debug_tile_size_px), ivec2(0))))
+    {
+      gl_FragDepth = 0.0;
+      out_color_add = vec4(debug_tile_state_color(light.type, tile), 0.0);
+      out_color_mul = vec4(0.0);
+
+#  ifdef DRW_DEBUG_PRINT
+      if (all(equal(ivec2(gl_FragCoord.xy), ivec2(0)))) {
+        drw_print(light.object_mat);
+      }
+#  endif
+      return true;
+    }
+#else
     /* Debug actual values in the tile-map buffer. */
     ShadowTileMapData tilemap = tilemaps_buf[tilemap_index];
     int tile_index = shadow_tile_offset(
@@ -118,21 +144,22 @@ bool debug_tilemaps(vec3 P, LightData light)
       out_color_add = vec4(debug_tile_state_color(tile), 0.0);
       out_color_mul = vec4(0.0);
 
-#ifdef DRW_DEBUG_PRINT
+#  ifdef DRW_DEBUG_PRINT
       if (all(equal(ivec2(gl_FragCoord.xy), ivec2(0)))) {
         drw_print(light.object_mat);
       }
-#endif
+#  endif
       return true;
     }
+#endif
   }
   return false;
 }
 
 void debug_tile_state(vec3 P, LightData light)
 {
-  ShadowTileData tile = debug_tile_get(P, light);
-  out_color_add = vec4(debug_tile_state_color(tile), 0) * 0.5;
+  ShadowSamplingTile tile = debug_tile_get(P, light);
+  out_color_add = vec4(debug_tile_state_color(light.type, tile), 0) * 0.5;
   out_color_mul = vec4(0.5);
 }
 
@@ -146,7 +173,7 @@ void debug_atlas_values(vec3 P, LightData light)
 
 void debug_random_tile_color(vec3 P, LightData light)
 {
-  ShadowTileData tile = debug_tile_get(P, light);
+  ShadowSamplingTile tile = debug_tile_get(P, light);
   out_color_add = vec4(debug_random_color(ivec2(tile.page.xy)), 0) * 0.5;
   out_color_mul = vec4(0.5);
 }

source/blender/draw/engines/eevee_next/shaders/eevee_shadow_lib.glsl

@@ -21,7 +21,7 @@ struct ShadowSampleParams {
   float z_range;
 };
 
-ShadowTileData shadow_tile_data_get(usampler2D tilemaps_tx, ShadowSampleParams params)
+ShadowSamplingTile shadow_tile_data_get(usampler2D tilemaps_tx, ShadowSampleParams params)
 {
   /* Prevent out of bound access. Assumes the input is already non negative. */
   vec2 tilemap_uv = min(params.uv.xy, vec2(0.99999));
@@ -46,9 +46,9 @@ float shadow_read_depth(SHADOW_ATLAS_TYPE atlas_tx,
   const int page_shift = SHADOW_PAGE_LOD;
 
   ivec2 tile_coord = texel_coord >> page_shift;
-  ShadowTileData tile = shadow_tile_load(tilemaps_tx, tile_coord, params.tilemap_index);
+  ShadowSamplingTile tile = shadow_tile_load(tilemaps_tx, tile_coord, params.tilemap_index);
 
-  if (!tile.is_allocated) {
+  if (!tile.is_valid) {
     return -1.0;
   }
 

source/blender/draw/engines/eevee_next/shaders/eevee_shadow_page_allocate_comp.glsl

@@ -26,7 +26,6 @@ void main()
       ShadowTileData tile = shadow_tile_unpack(tiles_buf[tile_index]);
       if (tile.is_used && !tile.is_allocated) {
         shadow_page_alloc(tile);
-        tile.lod = lod;
         tiles_buf[tile_index] = shadow_tile_pack(tile);
       }
 

source/blender/draw/engines/eevee_next/shaders/eevee_shadow_tilemap_amend_comp.glsl

@@ -0,0 +1,93 @@
+/* SPDX-FileCopyrightText: 2023 Blender Authors
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later */
+
+/**
+ * Virtual shadow-mapping: Amend sampling tile atlas.
+ *
+ * In order to support sampling different LOD for clipmap shadow projections, we need to scan
+ * through the LOD tilemaps from lowest LOD to highest LOD, gathering the last valid tile along the
+ * way for the current destination tile. For each new level we gather the previous level tiles from
+ * local memory using the correct relative offset from the previous level as they might not be
+ * aligned.
+ *
+ * TODO(fclem): This shader **should** be dispatched for one thread-group per directional light.
+ * Currently this shader is dispatched with one thread-group for all directional light.
+ */
+
+#pragma BLENDER_REQUIRE(gpu_shader_utildefines_lib.glsl)
+#pragma BLENDER_REQUIRE(gpu_shader_math_matrix_lib.glsl)
+#pragma BLENDER_REQUIRE(eevee_light_iter_lib.glsl)
+#pragma BLENDER_REQUIRE(eevee_shadow_tilemap_lib.glsl)
+
+shared ShadowSamplingTilePacked tiles_local[SHADOW_TILEMAP_RES][SHADOW_TILEMAP_RES];
+
+void main()
+{
+  ivec2 tile_co = ivec2(gl_GlobalInvocationID.xy);
+
+  LIGHT_FOREACH_BEGIN_DIRECTIONAL (light_cull_buf, l_idx) {
+    LightData light = light_buf[l_idx];
+    /* This only works on clipmaps. Cascade have already the same LOD for every tilemaps. */
+    if (light.type != LIGHT_SUN) {
+      break;
+    }
+    ivec2 base_offset_neg = light_sun_data_get(light).clipmap_base_offset_neg;
+    ivec2 base_offset_pos = light_sun_data_get(light).clipmap_base_offset_pos;
+    /* LOD relative max with respect to clipmap_lod_min. */
+    int lod_max = light_sun_data_get(light).clipmap_lod_max -
+                  light_sun_data_get(light).clipmap_lod_min;
+    /* Iterate in reverse. */
+    for (int lod = lod_max; lod >= 0; lod--) {
+      int tilemap_index = light.tilemap_index + lod;
+      ivec2 atlas_texel = shadow_tile_coord_in_atlas(tile_co, tilemap_index);
+
+      ShadowSamplingTilePacked tile_packed = imageLoad(tilemaps_img, atlas_texel).x;
+      ShadowSamplingTile tile = shadow_sampling_tile_unpack(tile_packed);
+
+      if (lod != lod_max && !tile.is_valid) {
+        /* Offset this LOD has with the previous one. In unit of tile of the current LOD. */
+        ivec2 offset_binary = ((base_offset_pos >> lod) & 1) - ((base_offset_neg >> lod) & 1);
+        ivec2 offset_centered = ivec2(SHADOW_TILEMAP_RES / 2) + offset_binary;
+        ivec2 tile_co_prev = (tile_co + offset_centered) >> 1;
+
+        /* Load tile from the previous LOD. */
+        ShadowSamplingTilePacked tile_prev_packed = tiles_local[tile_co_prev.y][tile_co_prev.x];
+        ShadowSamplingTile tile_prev = shadow_sampling_tile_unpack(tile_prev_packed);
+
+        /* We can only propagate LODs up to a certain level.
+         * Afterwards we run out of bits to store the offsets. */
+        if (tile_prev.is_valid && tile_prev.lod < SHADOW_TILEMAP_MAX_CLIPMAP_LOD - 1) {
+          /* Relative LOD. Used for reducing pixel rate at sampling time.
+           * Increase with each new invalid level. */
+          tile_prev.lod += 1;
+
+          /* The offset (in tile of current LOD) is equal to the offset from the bottom left corner
+           * of both LODs modulo the size of a tile of the source LOD (in tile of current LOD). */
+
+          /* Offset corner to center. */
+          tile_prev.lod_offset = uvec2(SHADOW_TILEMAP_RES / 2) << tile_prev.lod;
+          /* Align center of both LODs. */
+          tile_prev.lod_offset -= uvec2(SHADOW_TILEMAP_RES / 2);
+          /* Add the offset relative to the source LOD. */
+          tile_prev.lod_offset += uvec2(bitfieldExtract(base_offset_pos, lod, int(tile_prev.lod)) -
+                                        bitfieldExtract(base_offset_neg, lod, int(tile_prev.lod)));
+          /* Wrap to valid range. */
+          tile_prev.lod_offset &= ~(~0u << tile_prev.lod);
+
+          tile_prev_packed = shadow_sampling_tile_pack(tile_prev);
+          /* Replace the missing page with the one from the lower LOD. */
+          imageStore(tilemaps_img, atlas_texel, uvec4(tile_prev_packed));
+          /* Push this amended tile to the local tiles. */
+          tile_packed = tile_prev_packed;
+          tile.is_valid = true;
+        }
+      }
+
+      barrier();
+      tiles_local[tile_co.y][tile_co.x] = (tile.is_valid) ? tile_packed : SHADOW_NO_DATA;
+      barrier();
+    }
+  }
+  LIGHT_FOREACH_END
+}

source/blender/draw/engines/eevee_next/shaders/eevee_shadow_tilemap_finalize_comp.glsl

@@ -57,6 +57,7 @@ void main()
   bool is_cubemap = (tilemap_data.projection_type == SHADOW_PROJECTION_CUBEFACE);
   int lod_max = is_cubemap ? SHADOW_TILEMAP_LOD : 0;
   int valid_tile_index = -1;
+  uint valid_lod = 0u;
   /* With all threads (LOD0 size dispatch) load each lod tile from the highest lod
    * to the lowest, keeping track of the lowest one allocated which will be use for shadowing.
    * This guarantee a O(1) lookup time.
@@ -176,12 +177,17 @@ void main()
     if (tile.is_used && tile.is_allocated && (!tile.do_update || lod_is_rendered)) {
       /* Save highest lod for this thread. */
       valid_tile_index = tile_index;
+      valid_lod = uint(lod);
     }
   }
 
   /* Store the highest LOD valid page for rendering. */
-  uint tile_packed = (valid_tile_index != -1) ? tiles_buf[valid_tile_index] : SHADOW_NO_DATA;
-  imageStore(tilemaps_img, atlas_texel, uvec4(tile_packed));
+  ShadowTileDataPacked tile_packed = (valid_tile_index != -1) ? tiles_buf[valid_tile_index] :
+                                                                SHADOW_NO_DATA;
+  ShadowTileData tile_data = shadow_tile_unpack(tile_packed);
+  ShadowSamplingTile tile_sampling = shadow_sampling_tile_create(tile_data, valid_lod);
+  ShadowSamplingTilePacked tile_sampling_packed = shadow_sampling_tile_pack(tile_sampling);
+  imageStore(tilemaps_img, atlas_texel, uvec4(tile_sampling_packed));
 
   if (all(equal(gl_GlobalInvocationID, uvec3(0)))) {
     /* Clamp it as it can underflow if there is too much tile present on screen. */

source/blender/draw/engines/eevee_next/shaders/eevee_shadow_tilemap_lib.glsl

@@ -91,14 +91,14 @@ int shadow_tile_offset(ivec2 tile, int tiles_index, int lod)
  * \{ */
 
 /** \note: Will clamp if out of bounds. */
-ShadowTileData shadow_tile_load(usampler2D tilemaps_tx, ivec2 tile_co, int tilemap_index)
+ShadowSamplingTile shadow_tile_load(usampler2D tilemaps_tx, ivec2 tile_co, int tilemap_index)
 {
   /* NOTE(@fclem): This clamp can hide some small imprecision at clip-map transition.
    * Can be disabled to check if the clip-map is well centered. */
   tile_co = clamp(tile_co, ivec2(0), ivec2(SHADOW_TILEMAP_RES - 1));
-  uint tile_data =
-      texelFetch(tilemaps_tx, shadow_tile_coord_in_atlas(tile_co, tilemap_index), 0).x;
-  return shadow_tile_unpack(tile_data);
+  ivec2 texel = shadow_tile_coord_in_atlas(tile_co, tilemap_index);
+  uint tile_data = texelFetch(tilemaps_tx, texel, 0).x;
+  return shadow_sampling_tile_unpack(tile_data);
 }
 
 /**

source/blender/draw/engines/eevee_next/shaders/eevee_shadow_tracing_lib.glsl

@@ -23,16 +23,19 @@ float shadow_read_depth_at_tilemap_uv(int tilemap_index, vec2 tilemap_uv)
   ivec2 texel_coord = ivec2(tilemap_uv * float(SHADOW_MAP_MAX_RES));
   /* Using bitwise ops is way faster than integer ops. */
   const int page_shift = SHADOW_PAGE_LOD;
+  const int page_mask = ~(0xFFFFFFFF << SHADOW_PAGE_LOD);
 
   ivec2 tile_coord = texel_coord >> page_shift;
-  ShadowTileData tile = shadow_tile_load(shadow_tilemaps_tx, tile_coord, tilemap_index);
+  ShadowSamplingTile tile = shadow_tile_load(shadow_tilemaps_tx, tile_coord, tilemap_index);
 
-  if (!tile.is_allocated) {
+  if (!tile.is_valid) {
     return -1.0;
   }
-
-  int page_mask = ~(0xFFFFFFFF << (SHADOW_PAGE_LOD + int(tile.lod)));
-  ivec2 texel_page = (texel_coord & page_mask) >> int(tile.lod);
+  /* Shift LOD0 pixels so that they get wrapped at the right position for the given LOD. */
+  /* TODO convert everything to uint to avoid signed int operations. */
+  texel_coord += ivec2(tile.lod_offset << SHADOW_PAGE_LOD);
+  /* Scale to LOD pixels (merge LOD0 pixels together) then mask to get pixel in page. */
+  ivec2 texel_page = (texel_coord >> int(tile.lod)) & page_mask;
   ivec3 texel = ivec3((ivec2(tile.page.xy) << page_shift) | texel_page, tile.page.z);
 
   return uintBitsToFloat(texelFetch(shadow_atlas_tx, texel, 0).r);
@@ -439,8 +442,8 @@ vec3 shadow_pcf_offset(LightData light, const bool is_directional, vec3 P, vec3
   else {
     params = shadow_punctual_sample_params_get(light, P);
   }
-  ShadowTileData tile = shadow_tile_data_get(shadow_tilemaps_tx, params);
-  if (!tile.is_allocated) {
+  ShadowSamplingTile tile = shadow_tile_data_get(shadow_tilemaps_tx, params);
+  if (!tile.is_valid) {
     return vec3(0.0);
   }
 

source/blender/draw/engines/eevee_next/shaders/infos/eevee_shadow_info.hh

@@ -195,6 +195,13 @@ GPU_SHADER_CREATE_INFO(eevee_shadow_tilemap_finalize)
     .additional_info("eevee_shared")
     .compute_source("eevee_shadow_tilemap_finalize_comp.glsl");
 
+GPU_SHADER_CREATE_INFO(eevee_shadow_tilemap_amend)
+    .do_static_compilation(true)
+    .local_group_size(SHADOW_TILEMAP_RES, SHADOW_TILEMAP_RES)
+    .image(0, GPU_R32UI, Qualifier::READ_WRITE, ImageType::UINT_2D, "tilemaps_img")
+    .additional_info("eevee_shared", "eevee_light_data", "draw_view")
+    .compute_source("eevee_shadow_tilemap_amend_comp.glsl");
+
 /* AtomicMin clear implementation. */
 GPU_SHADER_CREATE_INFO(eevee_shadow_page_clear)
     .do_static_compilation(true)

source/blender/draw/engines/overlay/overlay_edit_mesh.cc

@@ -237,8 +237,8 @@ static void overlay_edit_mesh_add_ob_to_pass(OVERLAY_PrivateData *pd, Object *ob
   /* TODO: Should be its own function. */
   Mesh *mesh = (Mesh *)ob->data;
   if (BMEditMesh *em = mesh->runtime->edit_mesh) {
-    Mesh *editmesh_eval_final = BKE_object_get_editmesh_eval_final(ob);
-    Mesh *editmesh_eval_cage = BKE_object_get_editmesh_eval_cage(ob);
+    const Mesh *editmesh_eval_final = BKE_object_get_editmesh_eval_final(ob);
+    const Mesh *editmesh_eval_cage = BKE_object_get_editmesh_eval_cage(ob);
 
     has_edit_mesh_cage = editmesh_eval_cage && (editmesh_eval_cage != editmesh_eval_final);
     has_skin_roots = CustomData_get_offset(&em->bm->vdata, CD_MVERT_SKIN) != -1;

source/blender/draw/engines/overlay/overlay_wireframe.cc

@@ -177,11 +177,11 @@ void OVERLAY_wireframe_cache_populate(OVERLAY_Data *vedata,
   bool is_mesh_verts_only = false;
   if (is_mesh) {
     /* TODO: Should be its own function. */
-    Mesh *mesh = static_cast<Mesh *>(ob->data);
+    const Mesh *mesh = static_cast<const Mesh *>(ob->data);
     if (is_edit_mode) {
       BLI_assert(mesh->runtime->edit_mesh);
-      Mesh *editmesh_eval_final = BKE_object_get_editmesh_eval_final(ob);
-      Mesh *editmesh_eval_cage = BKE_object_get_editmesh_eval_cage(ob);
+      const Mesh *editmesh_eval_final = BKE_object_get_editmesh_eval_final(ob);
+      const Mesh *editmesh_eval_cage = BKE_object_get_editmesh_eval_cage(ob);
       has_edit_mesh_cage = editmesh_eval_cage && (editmesh_eval_cage != editmesh_eval_final);
       if (editmesh_eval_final) {
         mesh = editmesh_eval_final;

source/blender/draw/intern/draw_cache_extract_mesh_render_data.cc

@@ -336,8 +336,7 @@ void mesh_render_data_update_faces_sorted(MeshRenderData &mr,
 const Mesh *editmesh_final_or_this(const Object *object, const Mesh *mesh)
 {
   if (mesh->runtime->edit_mesh != nullptr) {
-    Mesh *editmesh_eval_final = BKE_object_get_editmesh_eval_final(object);
-    if (editmesh_eval_final != nullptr) {
+    if (const Mesh *editmesh_eval_final = BKE_object_get_editmesh_eval_final(object)) {
       return editmesh_eval_final;
     }
   }
@@ -507,7 +506,7 @@ void mesh_render_data_update_normals(MeshRenderData &mr, const eMRDataType data_
       const float(*vert_normals)[3] = nullptr;
       const float(*face_normals)[3] = nullptr;
 
-      if (mr.edit_data && !mr.edit_data->vertexCos.is_empty()) {
+      if (mr.edit_data && !mr.edit_data->vert_positions.is_empty()) {
         vert_coords = reinterpret_cast<const float(*)[3]>(mr.bm_vert_coords.data());
         vert_normals = reinterpret_cast<const float(*)[3]>(mr.bm_vert_normals.data());
         face_normals = reinterpret_cast<const float(*)[3]>(mr.bm_face_normals.data());
@@ -559,8 +558,8 @@ MeshRenderData *mesh_render_data_create(Object *object,
   mr->use_hide = use_hide;
 
   if (is_editmode) {
-    Mesh *editmesh_eval_final = BKE_object_get_editmesh_eval_final(object);
-    Mesh *editmesh_eval_cage = BKE_object_get_editmesh_eval_cage(object);
+    const Mesh *editmesh_eval_final = BKE_object_get_editmesh_eval_final(object);
+    const Mesh *editmesh_eval_cage = BKE_object_get_editmesh_eval_cage(object);
 
     BLI_assert(editmesh_eval_cage && editmesh_eval_final);
     mr->bm = mesh->runtime->edit_mesh->bm;
@@ -573,15 +572,14 @@ MeshRenderData *mesh_render_data_create(Object *object,
 
     if (mr->edit_data) {
       bke::EditMeshData *emd = mr->edit_data;
-      if (!emd->vertexCos.is_empty()) {
+      if (!emd->vert_positions.is_empty()) {
         BKE_editmesh_cache_ensure_vert_normals(*mr->edit_bmesh, *emd);
         BKE_editmesh_cache_ensure_face_normals(*mr->edit_bmesh, *emd);
       }
 
-      mr->bm_vert_coords = mr->edit_data->vertexCos;
-      mr->bm_vert_normals = mr->edit_data->vertexNos;
-      mr->bm_face_normals = mr->edit_data->faceNos;
-      mr->bm_face_centers = mr->edit_data->faceCos;
+      mr->bm_vert_coords = mr->edit_data->vert_positions;
+      mr->bm_vert_normals = mr->edit_data->vert_normals;
+      mr->bm_face_normals = mr->edit_data->face_normals;
     }
 
     int bm_ensure_types = BM_VERT | BM_EDGE | BM_LOOP | BM_FACE;

source/blender/draw/intern/draw_cache_impl_mesh.cc

@@ -1407,7 +1407,8 @@ void DRW_mesh_batch_cache_create_requested(TaskGraph *task_graph,
     /* Modifiers will only generate an orco layer if the mesh is deformed. */
     if (cache.cd_needed.orco != 0) {
       /* Orco is always extracted from final mesh. */
-      Mesh *me_final = (mesh->runtime->edit_mesh) ? BKE_object_get_editmesh_eval_final(ob) : mesh;
+      const Mesh *me_final = (mesh->runtime->edit_mesh) ? BKE_object_get_editmesh_eval_final(ob) :
+                                                          mesh;
       if (CustomData_get_layer(&me_final->vert_data, CD_ORCO) == nullptr) {
         /* Skip orco calculation */
         cache.cd_needed.orco = 0;
@@ -1512,8 +1513,8 @@ void DRW_mesh_batch_cache_create_requested(TaskGraph *task_graph,
 
   bool do_cage = false, do_uvcage = false;
   if (is_editmode && is_mode_active) {
-    Mesh *editmesh_eval_final = BKE_object_get_editmesh_eval_final(ob);
-    Mesh *editmesh_eval_cage = BKE_object_get_editmesh_eval_cage(ob);
+    const Mesh *editmesh_eval_final = BKE_object_get_editmesh_eval_final(ob);
+    const Mesh *editmesh_eval_cage = BKE_object_get_editmesh_eval_cage(ob);
 
     do_cage = editmesh_eval_final != editmesh_eval_cage;
     do_uvcage = !(editmesh_eval_final->runtime->is_original_bmesh &&

source/blender/draw/intern/draw_cache_impl_subdivision.cc

@@ -750,7 +750,7 @@ static void draw_subdiv_cache_extra_coarse_face_data_bm(BMesh *bm,
 }
 
 static void draw_subdiv_cache_extra_coarse_face_data_mesh(const MeshRenderData &mr,
-                                                          Mesh *mesh,
+                                                          const Mesh *mesh,
                                                           uint32_t *flags_data)
 {
   const OffsetIndices faces = mesh->faces();
@@ -771,7 +771,7 @@ static void draw_subdiv_cache_extra_coarse_face_data_mesh(const MeshRenderData &
   }
 }
 
-static void draw_subdiv_cache_extra_coarse_face_data_mapped(Mesh *mesh,
+static void draw_subdiv_cache_extra_coarse_face_data_mapped(const Mesh *mesh,
                                                             BMesh *bm,
                                                             MeshRenderData &mr,
                                                             uint32_t *flags_data)
@@ -797,7 +797,7 @@ static void draw_subdiv_cache_extra_coarse_face_data_mapped(Mesh *mesh,
 }
 
 static void draw_subdiv_cache_update_extra_coarse_face_data(DRWSubdivCache &cache,
-                                                            Mesh *mesh,
+                                                            const Mesh *mesh,
                                                             MeshRenderData &mr)
 {
   if (cache.extra_coarse_face_data == nullptr) {
@@ -839,7 +839,7 @@ static DRWSubdivCache &mesh_batch_cache_ensure_subdiv_cache(MeshBatchCache &mbc)
   return *subdiv_cache;
 }
 
-static void draw_subdiv_invalidate_evaluator_for_orco(Subdiv *subdiv, Mesh *mesh)
+static void draw_subdiv_invalidate_evaluator_for_orco(Subdiv *subdiv, const Mesh *mesh)
 {
   if (!(subdiv && subdiv->evaluator)) {
     return;
@@ -1167,7 +1167,7 @@ static void build_vertex_face_adjacency_maps(DRWSubdivCache &cache)
 
 static bool draw_subdiv_build_cache(DRWSubdivCache &cache,
                                     Subdiv *subdiv,
-                                    Mesh *mesh_eval,
+                                    const Mesh *mesh_eval,
                                     const SubsurfRuntimeData *runtime_data)
 {
   SubdivToMeshSettings to_mesh_settings;
@@ -2020,7 +2020,7 @@ void draw_subdiv_build_edituv_stretch_angle_buffer(const DRWSubdivCache &cache,
  * since all sub-faces are contiguous, they all share the same offset.
  */
 static void draw_subdiv_cache_ensure_mat_offsets(DRWSubdivCache &cache,
-                                                 Mesh *mesh_eval,
+                                                 const Mesh *mesh_eval,
                                                  uint mat_len)
 {
   draw_subdiv_cache_free_material_data(cache);
@@ -2108,7 +2108,7 @@ static bool draw_subdiv_create_requested_buffers(Object *ob,
     return false;
   }
 
-  Mesh *mesh_eval = mesh;
+  const Mesh *mesh_eval = mesh;
   BMesh *bm = nullptr;
   if (mesh->runtime->edit_mesh) {
     mesh_eval = BKE_object_get_editmesh_eval_final(ob);

source/blender/draw/intern/draw_manager_text.cc

@@ -46,6 +46,9 @@
 #include "draw_manager_text.hh"
 #include "intern/bmesh_polygon.hh"
 
+using blender::float3;
+using blender::Span;
+
 struct ViewCachedString {
   float vec[3];
   union {
@@ -255,7 +258,7 @@ void DRW_text_edit_mesh_measure_stats(ARegion *region,
    */
   DRWTextStore *dt = DRW_text_cache_ensure();
   const short txt_flag = DRW_TEXT_CACHE_GLOBALSPACE;
-  Mesh *mesh = BKE_object_get_editmesh_eval_cage(ob);
+  const Mesh *mesh = BKE_object_get_editmesh_eval_cage(ob);
   BMEditMesh *em = mesh->runtime->edit_mesh;
   float v1[3], v2[3], v3[3], vmid[3], fvec[3];
   char numstr[32]; /* Stores the measurement display text here */
@@ -269,8 +272,8 @@ void DRW_text_edit_mesh_measure_stats(ARegion *region,
   float clip_planes[4][4];
   /* allow for displaying shape keys and deform mods */
   BMIter iter;
-  const float(*vert_coords)[3] = BKE_mesh_wrapper_vert_coords(mesh);
-  const bool use_coords = (vert_coords != nullptr);
+  const Span<float3> vert_positions = BKE_mesh_wrapper_vert_coords(mesh);
+  const bool use_coords = !vert_positions.is_empty();
 
   /* when 2 or more edge-info options are enabled, space apart */
   short edge_tex_count = 0;
@@ -329,9 +332,9 @@ void DRW_text_edit_mesh_measure_stats(ARegion *region,
       {
         float v1_clip[3], v2_clip[3];
 
-        if (vert_coords) {
-          copy_v3_v3(v1, vert_coords[BM_elem_index_get(eed->v1)]);
-          copy_v3_v3(v2, vert_coords[BM_elem_index_get(eed->v2)]);
+        if (use_coords) {
+          copy_v3_v3(v1, vert_positions[BM_elem_index_get(eed->v1)]);
+          copy_v3_v3(v2, vert_positions[BM_elem_index_get(eed->v2)]);
         }
         else {
           copy_v3_v3(v1, eed->v1->co);
@@ -373,10 +376,12 @@ void DRW_text_edit_mesh_measure_stats(ARegion *region,
 
     UI_GetThemeColor3ubv(TH_DRAWEXTRA_EDGEANG, col);
 
-    const float(*face_normals)[3] = nullptr;
+    Span<float3> face_normals;
     if (use_coords) {
       BM_mesh_elem_index_ensure(em->bm, BM_VERT | BM_FACE);
-      face_normals = BKE_mesh_wrapper_face_normals(mesh);
+      /* TODO: This is not const correct for wrapper meshes, but it should be okay because
+       * every evaluated object gets its own evaluated cage mesh (they are not shared). */
+      face_normals = BKE_mesh_wrapper_face_normals(const_cast<Mesh *>(mesh));
     }
 
     BM_ITER_MESH (eed, &iter, em->bm, BM_EDGES_OF_MESH) {
@@ -395,9 +400,9 @@ void DRW_text_edit_mesh_measure_stats(ARegion *region,
         {
           float v1_clip[3], v2_clip[3];
 
-          if (vert_coords) {
-            copy_v3_v3(v1, vert_coords[BM_elem_index_get(eed->v1)]);
-            copy_v3_v3(v2, vert_coords[BM_elem_index_get(eed->v2)]);
+          if (use_coords) {
+            copy_v3_v3(v1, vert_positions[BM_elem_index_get(eed->v1)]);
+            copy_v3_v3(v2, vert_positions[BM_elem_index_get(eed->v2)]);
           }
           else {
             copy_v3_v3(v1, eed->v1->co);
@@ -462,9 +467,9 @@ void DRW_text_edit_mesh_measure_stats(ARegion *region,
         for (int j = 0; j < f_corner_tris_len; j++) {
 
           if (use_coords) {
-            copy_v3_v3(v1, vert_coords[BM_elem_index_get(ltri_array[j][0]->v)]);
-            copy_v3_v3(v2, vert_coords[BM_elem_index_get(ltri_array[j][1]->v)]);
-            copy_v3_v3(v3, vert_coords[BM_elem_index_get(ltri_array[j][2]->v)]);
+            copy_v3_v3(v1, vert_positions[BM_elem_index_get(ltri_array[j][0]->v)]);
+            copy_v3_v3(v2, vert_positions[BM_elem_index_get(ltri_array[j][1]->v)]);
+            copy_v3_v3(v3, vert_positions[BM_elem_index_get(ltri_array[j][2]->v)]);
           }
           else {
             copy_v3_v3(v1, ltri_array[j][0]->v->co);
@@ -537,7 +542,7 @@ void DRW_text_edit_mesh_measure_stats(ARegion *region,
             /* lazy init center calc */
             if (is_first) {
               if (use_coords) {
-                BM_face_calc_center_bounds_vcos(em->bm, efa, vmid, vert_coords);
+                BM_face_calc_center_bounds_vcos(em->bm, efa, vmid, vert_positions);
               }
               else {
                 BM_face_calc_center_bounds(efa, vmid);
@@ -545,9 +550,9 @@ void DRW_text_edit_mesh_measure_stats(ARegion *region,
               is_first = false;
             }
             if (use_coords) {
-              copy_v3_v3(v1, vert_coords[BM_elem_index_get(loop->prev->v)]);
-              copy_v3_v3(v2, vert_coords[BM_elem_index_get(loop->v)]);
-              copy_v3_v3(v3, vert_coords[BM_elem_index_get(loop->next->v)]);
+              copy_v3_v3(v1, vert_positions[BM_elem_index_get(loop->prev->v)]);
+              copy_v3_v3(v2, vert_positions[BM_elem_index_get(loop->v)]);
+              copy_v3_v3(v3, vert_positions[BM_elem_index_get(loop->next->v)]);
             }
             else {
               copy_v3_v3(v1, loop->prev->v->co);
@@ -595,7 +600,7 @@ void DRW_text_edit_mesh_measure_stats(ARegion *region,
       BM_ITER_MESH_INDEX (v, &iter, em->bm, BM_VERTS_OF_MESH, i) {
         if (BM_elem_flag_test(v, BM_ELEM_SELECT)) {
           if (use_coords) {
-            copy_v3_v3(v1, vert_coords[BM_elem_index_get(v)]);
+            copy_v3_v3(v1, vert_positions[BM_elem_index_get(v)]);
           }
           else {
             copy_v3_v3(v1, v->co);
@@ -620,8 +625,8 @@ void DRW_text_edit_mesh_measure_stats(ARegion *region,
           float v1_clip[3], v2_clip[3];
 
           if (use_coords) {
-            copy_v3_v3(v1, vert_coords[BM_elem_index_get(eed->v1)]);
-            copy_v3_v3(v2, vert_coords[BM_elem_index_get(eed->v2)]);
+            copy_v3_v3(v1, vert_positions[BM_elem_index_get(eed->v1)]);
+            copy_v3_v3(v2, vert_positions[BM_elem_index_get(eed->v2)]);
           }
           else {
             copy_v3_v3(v1, eed->v1->co);
@@ -658,7 +663,7 @@ void DRW_text_edit_mesh_measure_stats(ARegion *region,
         if (BM_elem_flag_test(f, BM_ELEM_SELECT)) {
 
           if (use_coords) {
-            BM_face_calc_center_median_vcos(em->bm, f, v1, vert_coords);
+            BM_face_calc_center_median_vcos(em->bm, f, v1, vert_positions);
           }
           else {
             BM_face_calc_center_median(f, v1);

source/blender/draw/intern/draw_subdivision.hh

@@ -101,7 +101,7 @@ struct DRWSubdivLooseGeom {
  * \{ */
 
 struct DRWSubdivCache {
-  Mesh *mesh;
+  const Mesh *mesh;
   BMesh *bm;
   Subdiv *subdiv;
   bool optimal_display;

source/blender/draw/intern/draw_volume.cc

@@ -197,7 +197,7 @@ static DRWShadingGroup *drw_volume_object_mesh_init(Scene *scene,
       return nullptr;
     }
 
-    if (fds->fluid && (fds->type == FLUID_DOMAIN_TYPE_GAS)) {
+    if (fds->type == FLUID_DOMAIN_TYPE_GAS) {
       DRW_smoke_ensure(fmd, fds->flags & FLUID_DOMAIN_USE_NOISE);
     }
 
@@ -384,7 +384,7 @@ PassType *drw_volume_object_mesh_init(PassType &ps,
       return nullptr;
     }
 
-    if (fds->fluid && (fds->type == FLUID_DOMAIN_TYPE_GAS)) {
+    if (fds->type == FLUID_DOMAIN_TYPE_GAS) {
       DRW_smoke_ensure(fmd, fds->flags & FLUID_DOMAIN_USE_NOISE);
     }
 

source/blender/draw/intern/mesh_extractors/extract_mesh.hh

@@ -80,7 +80,6 @@ struct MeshRenderData {
   Span<float3> bm_vert_coords;
   Span<float3> bm_vert_normals;
   Span<float3> bm_face_normals;
-  Span<float3> bm_face_centers;
   Array<float3> bm_loop_normals;
 
   const int *v_origindex, *e_origindex, *p_origindex;
@@ -90,7 +89,7 @@ struct MeshRenderData {
   int freestyle_edge_ofs;
   int freestyle_face_ofs;
   /** Mesh */
-  Mesh *mesh;
+  const Mesh *mesh;
   Span<float3> vert_positions;
   Span<int2> edges;
   OffsetIndices<int> faces;

source/blender/draw/intern/mesh_extractors/extract_mesh_vbo_attributes.cc

@@ -268,7 +268,7 @@ static void extract_attr_init_subdiv(const DRWSubdivCache &subdiv_cache,
   const DRW_Attributes *attrs_used = &cache.attr_used;
   const DRW_AttributeRequest &request = attrs_used->requests[index];
 
-  Mesh *coarse_mesh = subdiv_cache.mesh;
+  const Mesh *coarse_mesh = subdiv_cache.mesh;
 
   /* Prepare VBO for coarse data. The compute shader only expects floats. */
   gpu::VertBuf *src_data = GPU_vertbuf_calloc();

source/blender/draw/intern/mesh_extractors/extract_mesh_vbo_edituv_stretch_angle.cc

@@ -253,8 +253,8 @@ static void extract_edituv_stretch_angle_init_subdiv(const DRWSubdivCache &subdi
 
   /* UVs are stored contiguously so we need to compute the offset in the UVs buffer for the active
    * UV layer. */
-  CustomData *cd_ldata = (mr.extract_type == MR_EXTRACT_MESH) ? &mr.mesh->corner_data :
-                                                                &mr.bm->ldata;
+  const CustomData *cd_ldata = (mr.extract_type == MR_EXTRACT_MESH) ? &mr.mesh->corner_data :
+                                                                      &mr.bm->ldata;
 
   uint32_t uv_layers = cache.cd_used.uv;
   /* HACK to fix #68857 */

source/blender/draw/intern/mesh_extractors/extract_mesh_vbo_orco.cc

@@ -37,7 +37,7 @@ static void extract_orco_init(const MeshRenderData &mr,
   GPU_vertbuf_init_with_format(vbo, &format);
   GPU_vertbuf_data_alloc(vbo, mr.corners_num);
 
-  CustomData *cd_vdata = &mr.mesh->vert_data;
+  const CustomData *cd_vdata = &mr.mesh->vert_data;
 
   MeshExtract_Orco_Data *data = static_cast<MeshExtract_Orco_Data *>(tls_data);
   data->vbo_data = (float(*)[4])GPU_vertbuf_get_data(vbo);

source/blender/draw/intern/mesh_extractors/extract_mesh_vbo_pos.cc

@@ -48,14 +48,20 @@ static void extract_pos_init(const MeshRenderData &mr,
   MutableSpan vbo_data(static_cast<float3 *>(GPU_vertbuf_get_data(vbo)),
                        GPU_vertbuf_get_vertex_len(vbo));
   if (mr.extract_type == MR_EXTRACT_MESH) {
-    array_utils::gather(
-        mr.vert_positions, mr.corner_verts, vbo_data.take_front(mr.corner_verts.size()));
-    extract_mesh_loose_edge_positions(mr.vert_positions,
-                                      mr.edges,
-                                      mr.loose_edges,
-                                      vbo_data.slice(mr.corners_num, mr.loose_edges.size() * 2));
-    array_utils::gather(
-        mr.vert_positions, mr.loose_verts, vbo_data.take_back(mr.loose_verts.size()));
+    threading::memory_bandwidth_bound_task(
+        mr.vert_positions.size_in_bytes() + mr.corner_verts.size_in_bytes() +
+            vbo_data.size_in_bytes() + mr.loose_edges.size(),
+        [&]() {
+          array_utils::gather(
+              mr.vert_positions, mr.corner_verts, vbo_data.take_front(mr.corner_verts.size()));
+          extract_mesh_loose_edge_positions(
+              mr.vert_positions,
+              mr.edges,
+              mr.loose_edges,
+              vbo_data.slice(mr.corners_num, mr.loose_edges.size() * 2));
+          array_utils::gather(
+              mr.vert_positions, mr.loose_verts, vbo_data.take_back(mr.loose_verts.size()));
+        });
   }
   else {
     *static_cast<float3 **>(tls_data) = vbo_data.data();

source/blender/draw/intern/mesh_extractors/extract_mesh_vbo_sculpt_data.cc

@@ -117,7 +117,7 @@ static void extract_sculpt_data_init_subdiv(const DRWSubdivCache &subdiv_cache,
 {
   gpu::VertBuf *vbo = static_cast<gpu::VertBuf *>(buffer);
 
-  Mesh *coarse_mesh = mr.mesh;
+  const Mesh *coarse_mesh = mr.mesh;
 
   /* First, interpolate mask if available. */
   gpu::VertBuf *mask_vbo = nullptr;

source/blender/draw/intern/mesh_extractors/extract_mesh_vbo_tan.cc

@@ -38,10 +38,10 @@ static void extract_tan_init_common(const MeshRenderData &mr,
 {
   GPU_vertformat_deinterleave(format);
 
-  CustomData *cd_ldata = (mr.extract_type == MR_EXTRACT_BMESH) ? &mr.bm->ldata :
-                                                                 &mr.mesh->corner_data;
-  CustomData *cd_vdata = (mr.extract_type == MR_EXTRACT_BMESH) ? &mr.bm->vdata :
-                                                                 &mr.mesh->vert_data;
+  const CustomData *cd_ldata = (mr.extract_type == MR_EXTRACT_BMESH) ? &mr.bm->ldata :
+                                                                       &mr.mesh->corner_data;
+  const CustomData *cd_vdata = (mr.extract_type == MR_EXTRACT_BMESH) ? &mr.bm->vdata :
+                                                                       &mr.mesh->vert_data;
   uint32_t tan_layers = cache.cd_used.tan;
   const float(*orco)[3] = (const float(*)[3])CustomData_get_layer(cd_vdata, CD_ORCO);
   float(*orco_allocated)[3] = nullptr;
@@ -96,7 +96,9 @@ static void extract_tan_init_common(const MeshRenderData &mr,
         copy_v3_v3(orco_allocated[v], mr.vert_positions[v]);
       }
     }
-    BKE_mesh_orco_verts_transform(mr.mesh, orco_allocated, mr.verts_num, false);
+    /* TODO: This is not thread-safe. Draw extraction should not modify the mesh. */
+    BKE_mesh_orco_verts_transform(
+        const_cast<Mesh *>(mr.mesh), orco_allocated, mr.verts_num, false);
     orco = orco_allocated;
   }
 
@@ -118,6 +120,7 @@ static void extract_tan_init_common(const MeshRenderData &mr,
                                      &tangent_mask);
     }
     else {
+      /* TODO: This is not thread-safe. Draw extraction should not modify the mesh. */
       BKE_mesh_calc_loop_tangent_ex(reinterpret_cast<const float(*)[3]>(mr.vert_positions.data()),
                                     mr.faces,
                                     mr.corner_verts.data(),

source/blender/draw/intern/mesh_extractors/extract_mesh_vbo_uv.cc

@@ -22,9 +22,9 @@ namespace blender::draw {
 /* Initialize the vertex format to be used for UVs. Return true if any UV layer is
  * found, false otherwise. */
 static bool mesh_extract_uv_format_init(GPUVertFormat *format,
-                                        MeshBatchCache &cache,
-                                        CustomData *cd_ldata,
-                                        eMRExtractType extract_type,
+                                        const MeshBatchCache &cache,
+                                        const CustomData *cd_ldata,
+                                        const eMRExtractType extract_type,
                                         uint32_t &r_uv_layers)
 {
   GPU_vertformat_deinterleave(format);
@@ -89,8 +89,8 @@ static void extract_uv_init(const MeshRenderData &mr,
   gpu::VertBuf *vbo = static_cast<gpu::VertBuf *>(buf);
   GPUVertFormat format = {0};
 
-  CustomData *cd_ldata = (mr.extract_type == MR_EXTRACT_BMESH) ? &mr.bm->ldata :
-                                                                 &mr.mesh->corner_data;
+  const CustomData *cd_ldata = (mr.extract_type == MR_EXTRACT_BMESH) ? &mr.bm->ldata :
+                                                                       &mr.mesh->corner_data;
   int v_len = mr.corners_num;
   uint32_t uv_layers = cache.cd_used.uv;
   if (!mesh_extract_uv_format_init(&format, cache, cd_ldata, mr.extract_type, uv_layers)) {
@@ -136,7 +136,7 @@ static void extract_uv_init_subdiv(const DRWSubdivCache &subdiv_cache,
                                    void *buffer,
                                    void * /*data*/)
 {
-  Mesh *coarse_mesh = subdiv_cache.mesh;
+  const Mesh *coarse_mesh = subdiv_cache.mesh;
   gpu::VertBuf *vbo = static_cast<gpu::VertBuf *>(buffer);
   GPUVertFormat format = {0};
 

source/blender/draw/intern/mesh_extractors/extract_mesh_vbo_weights.cc

@@ -159,7 +159,7 @@ static void extract_weights_init_subdiv(const DRWSubdivCache &subdiv_cache,
                                         void *buffer,
                                         void *_data)
 {
-  Mesh *coarse_mesh = subdiv_cache.mesh;
+  const Mesh *coarse_mesh = subdiv_cache.mesh;
   gpu::VertBuf *vbo = static_cast<gpu::VertBuf *>(buffer);
 
   static GPUVertFormat format = {0};

source/blender/draw/tests/eevee_test.cc

@@ -10,7 +10,7 @@
 #include "BKE_node.hh"
 #include "BKE_object.hh"
 
-#include "DEG_depsgraph.hh"
+#include "BLI_vector.hh"
 
 #include "RNA_define.hh"
 
@@ -1164,6 +1164,375 @@ static void test_eevee_shadow_finalize()
 }
 DRAW_TEST(eevee_shadow_finalize)
 
+static void test_eevee_shadow_tile_packing()
+{
+  Vector<uint> test_values{0x00000000u, 0x00000001u, 0x0000000Fu, 0x000000FFu, 0xABCDEF01u,
+                           0xAAAAAAAAu, 0xBBBBBBBBu, 0xCCCCCCCCu, 0xDDDDDDDDu, 0xEEEEEEEEu,
+                           0xFFFFFFFFu, 0xDEADBEEFu, 0x8BADF00Du, 0xABADCAFEu, 0x0D15EA5Eu,
+                           0xFEE1DEADu, 0xDEADC0DEu, 0xC00010FFu, 0xBBADBEEFu, 0xBAAAAAADu};
+
+  for (auto value : test_values) {
+    EXPECT_EQ(shadow_page_unpack(value),
+              shadow_page_unpack(shadow_page_pack(shadow_page_unpack(value))));
+
+    EXPECT_EQ(shadow_lod_offset_unpack(value),
+              shadow_lod_offset_unpack(shadow_lod_offset_pack(shadow_lod_offset_unpack(value))));
+
+    ShadowTileData expected_tile = shadow_tile_unpack(value);
+    ShadowTileData result_tile = shadow_tile_unpack(shadow_tile_pack(expected_tile));
+    EXPECT_EQ(expected_tile.page, result_tile.page);
+    EXPECT_EQ(expected_tile.cache_index, result_tile.cache_index);
+    EXPECT_EQ(expected_tile.is_used, result_tile.is_used);
+    EXPECT_EQ(expected_tile.do_update, result_tile.do_update);
+    EXPECT_EQ(expected_tile.is_allocated, result_tile.is_allocated);
+    EXPECT_EQ(expected_tile.is_rendered, result_tile.is_rendered);
+    EXPECT_EQ(expected_tile.is_cached, result_tile.is_cached);
+
+    ShadowSamplingTile expected_sampling_tile = shadow_sampling_tile_unpack(value);
+    ShadowSamplingTile result_sampling_tile = shadow_sampling_tile_unpack(
+        shadow_sampling_tile_pack(expected_sampling_tile));
+    EXPECT_EQ(expected_sampling_tile.page, result_sampling_tile.page);
+    EXPECT_EQ(expected_sampling_tile.lod, result_sampling_tile.lod);
+    EXPECT_EQ(expected_sampling_tile.lod_offset, result_sampling_tile.lod_offset);
+    EXPECT_EQ(expected_sampling_tile.is_valid, result_sampling_tile.is_valid);
+  }
+}
+DRAW_TEST(eevee_shadow_tile_packing)
+
+static void test_eevee_shadow_tilemap_amend()
+{
+  GPU_render_begin();
+
+  blender::Vector<uint32_t> tilemap_data(SHADOW_TILEMAP_RES * SHADOW_TILEMAP_RES *
+                                         SHADOW_TILEMAP_PER_ROW);
+  tilemap_data.fill(0);
+
+  auto pixel_get = [&](int x, int y, int tilemap_index) -> uint32_t & {
+    /* Note: assumes that tilemap_index is < SHADOW_TILEMAP_PER_ROW. */
+    return tilemap_data[y * SHADOW_TILEMAP_RES * SHADOW_TILEMAP_PER_ROW + x +
+                        tilemap_index * SHADOW_TILEMAP_RES];
+  };
+  ShadowSamplingTile tile;
+  tile.lod = 0;
+  tile.lod_offset = uint2(0);
+  tile.is_valid = true;
+  tile.page = uint3(1, 0, 0);
+  pixel_get(16, 16, 2) = shadow_sampling_tile_pack(tile);
+  tile.page = uint3(2, 0, 0);
+  pixel_get(17, 16, 2) = shadow_sampling_tile_pack(tile);
+  tile.page = uint3(3, 0, 0);
+  pixel_get(20, 20, 1) = shadow_sampling_tile_pack(tile);
+  tile.page = uint3(4, 0, 0);
+  pixel_get(17, 16, 0) = shadow_sampling_tile_pack(tile);
+
+  Texture tilemap_tx = {"tilemap_tx"};
+  eGPUTextureUsage usage = GPU_TEXTURE_USAGE_HOST_READ | GPU_TEXTURE_USAGE_SHADER_READ |
+                           GPU_TEXTURE_USAGE_SHADER_WRITE;
+  int2 tilemap_res(SHADOW_TILEMAP_RES * SHADOW_TILEMAP_PER_ROW, SHADOW_TILEMAP_RES);
+  tilemap_tx.ensure_2d(GPU_R32UI, tilemap_res, usage);
+  GPU_texture_update_sub(
+      tilemap_tx, GPU_DATA_UINT, tilemap_data.data(), 0, 0, 0, tilemap_res.x, tilemap_res.y, 0);
+
+  /* Setup one directional light with 3 tilemaps. Fill only the needed data. */
+  LightData light;
+  light.type = LIGHT_SUN;
+  light.sun.clipmap_lod_min = 0;
+  light.sun.clipmap_lod_max = 2;
+  /* Shift LOD0 by 1 tile towards bottom. */
+  light.sun.clipmap_base_offset_neg = int2(0, 1 << 0);
+  /* Shift LOD1 by 1 tile towards right. */
+  light.sun.clipmap_base_offset_pos = int2(1 << 1, 0);
+  light.tilemap_index = 0;
+
+  LightDataBuf culling_light_buf = {"Lights_culled"};
+  culling_light_buf[0] = light;
+  culling_light_buf.push_update();
+
+  LightCullingDataBuf culling_data_buf = {"LightCull_data"};
+  culling_data_buf.local_lights_len = 0;
+  culling_data_buf.sun_lights_len = 1;
+  culling_data_buf.items_count = 1;
+  culling_data_buf.push_update();
+
+  /* Needed for validation. But not used since we use directionals. */
+  LightCullingZbinBuf culling_zbin_buf = {"LightCull_zbin"};
+  LightCullingTileBuf culling_tile_buf = {"LightCull_tile"};
+
+  GPUShader *sh = GPU_shader_create_from_info_name("eevee_shadow_tilemap_amend");
+
+  PassSimple pass("Test");
+  pass.shader_set(sh);
+  pass.bind_image("tilemaps_img", tilemap_tx);
+  pass.bind_ssbo(LIGHT_CULL_BUF_SLOT, culling_data_buf);
+  pass.bind_ssbo(LIGHT_BUF_SLOT, culling_light_buf);
+  pass.bind_ssbo(LIGHT_ZBIN_BUF_SLOT, culling_zbin_buf);
+  pass.bind_ssbo(LIGHT_TILE_BUF_SLOT, culling_tile_buf);
+  pass.dispatch(int3(1));
+  pass.barrier(GPU_BARRIER_TEXTURE_UPDATE);
+
+  Manager manager;
+  manager.submit(pass);
+
+  {
+    uint *pixels = tilemap_tx.read<uint32_t>(GPU_DATA_UINT);
+
+    auto stringify_tilemap = [&](int tilemap_index) -> std::string {
+      std::string result = "";
+      for (auto y : IndexRange(SHADOW_TILEMAP_RES)) {
+        for (auto x : IndexRange(SHADOW_TILEMAP_RES)) {
+          /* Note: assumes that tilemap_index is < SHADOW_TILEMAP_PER_ROW. */
+          int tile_ofs = y * SHADOW_TILEMAP_RES * SHADOW_TILEMAP_PER_ROW + x +
+                         tilemap_index * SHADOW_TILEMAP_RES;
+          ShadowSamplingTile tile = shadow_sampling_tile_unpack(pixels[tile_ofs]);
+          result += std::to_string(tile.page.x + tile.page.y * SHADOW_PAGE_PER_ROW);
+          if (x + 1 == SHADOW_TILEMAP_RES / 2) {
+            result += " ";
+          }
+        }
+        result += "\n";
+        if (y + 1 == SHADOW_TILEMAP_RES / 2) {
+          result += "\n";
+        }
+      }
+      return result;
+    };
+
+    auto stringify_lod = [&](int tilemap_index) -> std::string {
+      std::string result = "";
+      for (auto y : IndexRange(SHADOW_TILEMAP_RES)) {
+        for (auto x : IndexRange(SHADOW_TILEMAP_RES)) {
+          /* Note: assumes that tilemap_index is < SHADOW_TILEMAP_PER_ROW. */
+          int tile_ofs = y * SHADOW_TILEMAP_RES * SHADOW_TILEMAP_PER_ROW + x +
+                         tilemap_index * SHADOW_TILEMAP_RES;
+          ShadowSamplingTile tile = shadow_sampling_tile_unpack(pixels[tile_ofs]);
+          result += std::to_string(tile.lod);
+          if (x + 1 == SHADOW_TILEMAP_RES / 2) {
+            result += " ";
+          }
+        }
+        result += "\n";
+        if (y + 1 == SHADOW_TILEMAP_RES / 2) {
+          result += "\n";
+        }
+      }
+      return result;
+    };
+
+    auto stringify_offset = [&](int tilemap_index) -> std::string {
+      std::string result = "";
+      for (auto y : IndexRange(SHADOW_TILEMAP_RES)) {
+        for (auto x : IndexRange(SHADOW_TILEMAP_RES)) {
+          /* Note: assumes that tilemap_index is < SHADOW_TILEMAP_PER_ROW. */
+          int tile_ofs = y * SHADOW_TILEMAP_RES * SHADOW_TILEMAP_PER_ROW + x +
+                         tilemap_index * SHADOW_TILEMAP_RES;
+          ShadowSamplingTile tile = shadow_sampling_tile_unpack(pixels[tile_ofs]);
+          result += std::to_string(tile.lod_offset.x + tile.lod_offset.y);
+          if (x + 1 == SHADOW_TILEMAP_RES / 2) {
+            result += " ";
+          }
+        }
+        result += "\n";
+        if (y + 1 == SHADOW_TILEMAP_RES / 2) {
+          result += "\n";
+        }
+      }
+      return result;
+    };
+
+    /** The layout of these expected strings is Y down. */
+
+    StringRefNull expected_pages_lod2 =
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "\n"
+        "0000000000000000 1200000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n";
+
+    StringRefNull expected_pages_lod1 =
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "\n"
+        "0000000000000001 1220000000000000\n"
+        "0000000000000001 1220000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000300000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n";
+
+    StringRefNull expected_pages_lod0 =
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "\n"
+        "0000000000000000 0400000000000000\n"
+        "0000000000000011 1122220000000000\n"
+        "0000000000000011 1122220000000000\n"
+        "0000000000000011 1122220000000000\n"
+        "0000000000000011 1122220000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000033000000\n"
+        "0000000000000000 0000000033000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n";
+
+    EXPECT_EQ(expected_pages_lod2, stringify_tilemap(2));
+    EXPECT_EQ(expected_pages_lod1, stringify_tilemap(1));
+    EXPECT_EQ(expected_pages_lod0, stringify_tilemap(0));
+
+    StringRefNull expected_lod_lod0 =
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000022 2222220000000000\n"
+        "0000000000000022 2222220000000000\n"
+        "0000000000000022 2222220000000000\n"
+        "0000000000000022 2222220000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000011000000\n"
+        "0000000000000000 0000000011000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n";
+
+    EXPECT_EQ(expected_lod_lod0, stringify_lod(0));
+
+    /* Offset for each axis are added together in this test. */
+    StringRefNull expected_offset_lod0 =
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000055 5555550000000000\n"
+        "0000000000000055 5555550000000000\n"
+        "0000000000000055 5555550000000000\n"
+        "0000000000000055 5555550000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000011000000\n"
+        "0000000000000000 0000000011000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n"
+        "0000000000000000 0000000000000000\n";
+
+    EXPECT_EQ(expected_offset_lod0, stringify_offset(0));
+    MEM_SAFE_FREE(pixels);
+  }
+
+  GPU_shader_free(sh);
+  DRW_shaders_free();
+  GPU_render_end();
+}
+DRAW_TEST(eevee_shadow_tilemap_amend)
+
 static void test_eevee_shadow_page_mask_ex(int max_view_per_tilemap)
 {
   GPU_render_begin();

source/blender/editors/armature/armature_add.cc

@@ -390,46 +390,44 @@ static void updateDuplicateSubtarget(EditBone *dup_bone,
    */
   EditBone *oldtarget, *newtarget;
   bPoseChannel *pchan;
-  ListBase *conlist;
 
   if ((pchan = BKE_pose_channel_ensure(ob->pose, dup_bone->name))) {
-    if ((conlist = &pchan->constraints)) {
-      LISTBASE_FOREACH (bConstraint *, curcon, conlist) {
-        /* does this constraint have a subtarget in
-         * this armature?
-         */
-        ListBase targets = {nullptr, nullptr};
+    ListBase *conlist = &pchan->constraints;
+    LISTBASE_FOREACH (bConstraint *, curcon, conlist) {
+      /* does this constraint have a subtarget in
+       * this armature?
+       */
+      ListBase targets = {nullptr, nullptr};
 
-        if (BKE_constraint_targets_get(curcon, &targets)) {
-          LISTBASE_FOREACH (bConstraintTarget *, ct, &targets) {
-            if ((ct->tar == ob) && (ct->subtarget[0])) {
-              oldtarget = get_named_editbone(editbones, ct->subtarget);
-              if (oldtarget) {
-                /* was the subtarget bone duplicated too? If
-                 * so, update the constraint to point at the
-                 * duplicate of the old subtarget.
-                 */
-                if (oldtarget->temp.ebone) {
-                  newtarget = oldtarget->temp.ebone;
+      if (BKE_constraint_targets_get(curcon, &targets)) {
+        LISTBASE_FOREACH (bConstraintTarget *, ct, &targets) {
+          if ((ct->tar == ob) && (ct->subtarget[0])) {
+            oldtarget = get_named_editbone(editbones, ct->subtarget);
+            if (oldtarget) {
+              /* was the subtarget bone duplicated too? If
+               * so, update the constraint to point at the
+               * duplicate of the old subtarget.
+               */
+              if (oldtarget->temp.ebone) {
+                newtarget = oldtarget->temp.ebone;
+                STRNCPY(ct->subtarget, newtarget->name);
+              }
+              else if (lookup_mirror_subtarget) {
+                /* The subtarget was not selected for duplication, try to see if a mirror bone of
+                 * the current target exists */
+                char name_flip[MAXBONENAME];
+
+                BLI_string_flip_side_name(name_flip, oldtarget->name, false, sizeof(name_flip));
+                newtarget = get_named_editbone(editbones, name_flip);
+                if (newtarget) {
                   STRNCPY(ct->subtarget, newtarget->name);
                 }
-                else if (lookup_mirror_subtarget) {
-                  /* The subtarget was not selected for duplication, try to see if a mirror bone of
-                   * the current target exists */
-                  char name_flip[MAXBONENAME];
-
-                  BLI_string_flip_side_name(name_flip, oldtarget->name, false, sizeof(name_flip));
-                  newtarget = get_named_editbone(editbones, name_flip);
-                  if (newtarget) {
-                    STRNCPY(ct->subtarget, newtarget->name);
-                  }
-                }
               }
             }
           }
-
-          BKE_constraint_targets_flush(curcon, &targets, false);
         }
+
+        BKE_constraint_targets_flush(curcon, &targets, false);
       }
     }
   }

source/blender/editors/armature/armature_relations.cc

@@ -774,20 +774,6 @@ static int separate_armature_exec(bContext *C, wmOperator *op)
   return OPERATOR_FINISHED;
 }
 
-static int separate_armature_invoke(bContext *C, wmOperator *op, const wmEvent * /*event*/)
-{
-  if (RNA_boolean_get(op->ptr, "confirm")) {
-    return WM_operator_confirm_ex(C,
-                                  op,
-                                  IFACE_("Move selected bones to a separate armature?"),
-                                  nullptr,
-                                  IFACE_("Separate"),
-                                  ALERT_ICON_NONE,
-                                  false);
-  }
-  return separate_armature_exec(C, op);
-}
-
 void ARMATURE_OT_separate(wmOperatorType *ot)
 {
   /* identifiers */
@@ -796,13 +782,11 @@ void ARMATURE_OT_separate(wmOperatorType *ot)
   ot->description = "Isolate selected bones into a separate armature";
 
   /* callbacks */
-  ot->invoke = separate_armature_invoke;
   ot->exec = separate_armature_exec;
   ot->poll = ED_operator_editarmature;
 
   /* flags */
   ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
-  WM_operator_properties_confirm_or_exec(ot);
 }
 
 /** \} */