Cleanup: GPv3: Small tweaks to modifiers

- Fix modifier icon
- Remove unused includes
- Remove unused argument
- Change function name
- Use `eval_frame` for retrieving drawings
- Avoid unnecessary cast
- Remove unnecessary parentheses
- Declare some variables const

Pull Request: https://projects.blender.org/blender/blender/pulls/117281

source/blender/makesrna/intern/rna_modifier.cc

@@ -203,7 +203,7 @@ const EnumPropertyItem rna_enum_object_modifier_type_items[] = {
      "Convert faces into thickened edges"},
     {eModifierType_GreasePencilSubdiv,
      "GREASEPENCIL_SUBDIV",
-     ICON_GREASEPENCIL,
+     ICON_MOD_SUBSURF,
      "Subdivide strokes",
      "Grease Pencil subdivide modifier"},
 

source/blender/modifiers/intern/MOD_grease_pencil_opacity.cc

@@ -20,8 +20,6 @@
 
 #include "BLO_read_write.hh"
 
-#include "DEG_depsgraph_query.hh"
-
 #include "UI_interface.hh"
 #include "UI_resources.hh"
 
@@ -143,11 +141,9 @@ static void modify_fill_color(const GreasePencilOpacityModifierData &omd,
   /* Fill color opacity per stroke. */
   bke::SpanAttributeWriter<float> fill_opacities = attributes.lookup_or_add_for_write_span<float>(
       "fill_opacity", bke::AttrDomain::Curve);
-  VArray<float> vgroup_weights = attributes
-                                     .lookup_or_default<float>(omd.influence.vertex_group_name,
-                                                               bke::AttrDomain::Point,
-                                                               1.0f)
-                                     .varray;
+  const StringRef vgroup_name = omd.influence.vertex_group_name;
+  const VArray<float> vgroup_weights =
+      attributes.lookup_or_default<float>(vgroup_name, bke::AttrDomain::Point, 1.0f).varray;
 
   curves_mask.foreach_index(GrainSize(512), [&](int64_t curve_i) {
     if (use_vgroup_opacity) {
@@ -188,10 +184,10 @@ static void modify_curves(ModifierData *md,
                           const ModifierEvalContext *ctx,
                           bke::CurvesGeometry &curves)
 {
-  auto *omd = reinterpret_cast<GreasePencilOpacityModifierData *>(md);
+  const auto *omd = reinterpret_cast<GreasePencilOpacityModifierData *>(md);
 
   IndexMaskMemory mask_memory;
-  IndexMask curves_mask = modifier::greasepencil::get_filtered_stroke_mask(
+  const IndexMask curves_mask = modifier::greasepencil::get_filtered_stroke_mask(
       ctx->object, curves, omd->influence, mask_memory);
 
   switch (omd->color_mode) {
@@ -215,9 +211,7 @@ static void modify_geometry_set(ModifierData *md,
                                 const ModifierEvalContext *ctx,
                                 bke::GeometrySet *geometry_set)
 {
-  auto *omd = reinterpret_cast<GreasePencilOpacityModifierData *>(md);
-  const Scene *scene = DEG_get_evaluated_scene(ctx->depsgraph);
-  const int frame = scene->r.cfra;
+  const auto *omd = reinterpret_cast<GreasePencilOpacityModifierData *>(md);
 
   GreasePencil *grease_pencil = geometry_set->get_grease_pencil_for_write();
   if (grease_pencil == nullptr) {
@@ -225,9 +219,10 @@ static void modify_geometry_set(ModifierData *md,
   }
 
   IndexMaskMemory mask_memory;
-  IndexMask layer_mask = modifier::greasepencil::get_filtered_layer_mask(
+  const IndexMask layer_mask = modifier::greasepencil::get_filtered_layer_mask(
       *grease_pencil, omd->influence, mask_memory);
-  Vector<Drawing *> drawings = modifier::greasepencil::get_drawings_for_write(
+  const int frame = grease_pencil->runtime->eval_frame;
+  const Vector<Drawing *> drawings = modifier::greasepencil::get_drawings_for_write(
       *grease_pencil, layer_mask, frame);
   threading::parallel_for_each(
       drawings, [&](Drawing *drawing) { modify_curves(md, ctx, drawing->strokes_for_write()); });
@@ -309,9 +304,8 @@ ModifierTypeInfo modifierType_GreasePencilOpacity = {
     /*srna*/ &RNA_GreasePencilOpacityModifier,
     /*type*/ ModifierTypeType::Nonconstructive,
     /*flags*/
-    static_cast<ModifierTypeFlag>(
-        eModifierTypeFlag_AcceptsGreasePencil | eModifierTypeFlag_SupportsEditmode |
-        eModifierTypeFlag_EnableInEditmode | eModifierTypeFlag_SupportsMapping),
+    eModifierTypeFlag_AcceptsGreasePencil | eModifierTypeFlag_SupportsEditmode |
+        eModifierTypeFlag_EnableInEditmode | eModifierTypeFlag_SupportsMapping,
     /*icon*/ ICON_MOD_OPACITY,
 
     /*copy_data*/ blender::copy_data,

source/blender/modifiers/intern/MOD_grease_pencil_subdiv.cc

@@ -6,11 +6,7 @@
  * \ingroup modifiers
  */
 
-#include "BLI_array.hh"
 #include "BLI_index_mask.hh"
-#include "BLI_math_vector_types.hh"
-#include "BLI_task.h"
-#include "BLI_utildefines.h"
 
 #include "BLT_translation.h"
 
@@ -18,33 +14,23 @@
 
 #include "DNA_defaults.h"
 #include "DNA_modifier_types.h"
-#include "DNA_scene_types.h"
 #include "DNA_screen_types.h"
 
-#include "BKE_context.hh"
-#include "BKE_curves.hh"
 #include "BKE_geometry_set.hh"
 #include "BKE_grease_pencil.hh"
-#include "BKE_lib_query.hh"
 #include "BKE_modifier.hh"
-#include "BKE_screen.hh"
 
 #include "GEO_subdivide_curves.hh"
 
 #include "UI_interface.hh"
 #include "UI_resources.hh"
 
-#include "ED_grease_pencil.hh"
-
 #include "MOD_grease_pencil_util.hh"
 #include "MOD_modifiertypes.hh"
 #include "MOD_ui_common.hh"
 
 #include "RNA_prototypes.h"
 
-#include "DEG_depsgraph.hh"
-#include "DEG_depsgraph_query.hh"
-
 namespace blender {
 
 static void init_data(ModifierData *md)
@@ -91,10 +77,7 @@ static void blend_read(BlendDataReader *reader, ModifierData *md)
   modifier::greasepencil::read_influence_data(reader, &mmd->influence);
 }
 
-static void deform_drawing(ModifierData &md,
-                           Depsgraph * /*depsgraph*/,
-                           Object &ob,
-                           bke::greasepencil::Drawing &drawing)
+static void subdivide_drawing(ModifierData &md, Object &ob, bke::greasepencil::Drawing &drawing)
 {
   GreasePencilSubdivModifierData &mmd = reinterpret_cast<GreasePencilSubdivModifierData &>(md);
 
@@ -102,7 +85,7 @@ static void deform_drawing(ModifierData &md,
   const IndexMask strokes = modifier::greasepencil::get_filtered_stroke_mask(
       &ob, drawing.strokes_for_write(), mmd.influence, memory);
 
-  VArray<int> cuts = VArray<int>::ForSingle(mmd.level, drawing.strokes().points_num());
+  const VArray<int> cuts = VArray<int>::ForSingle(mmd.level, drawing.strokes().points_num());
 
   drawing.strokes_for_write() = geometry::subdivide_curves(
       drawing.strokes(), strokes, std::move(cuts), {});
@@ -120,7 +103,7 @@ static void modify_geometry_set(ModifierData *md,
   }
 
   GreasePencil &grease_pencil = *geometry_set->get_grease_pencil_for_write();
-  const int current_frame = DEG_get_evaluated_scene(ctx->depsgraph)->r.cfra;
+  const int current_frame = grease_pencil.runtime->eval_frame;
 
   IndexMaskMemory mask_memory;
   const IndexMask layer_mask = modifier::greasepencil::get_filtered_layer_mask(
@@ -129,7 +112,7 @@ static void modify_geometry_set(ModifierData *md,
       modifier::greasepencil::get_drawings_for_write(grease_pencil, layer_mask, current_frame);
 
   threading::parallel_for_each(drawings, [&](bke::greasepencil::Drawing *drawing) {
-    deform_drawing(*md, ctx->depsgraph, *ctx->object, *drawing);
+    subdivide_drawing(*md, *ctx->object, *drawing);
   });
 }
 
@@ -176,8 +159,8 @@ ModifierTypeInfo modifierType_GreasePencilSubdiv = {
     /*srna*/ &RNA_GreasePencilSubdivModifier,
     /*type*/ ModifierTypeType::Constructive,
     /*flags*/
-    (eModifierTypeFlag_AcceptsGreasePencil | eModifierTypeFlag_SupportsEditmode |
-     eModifierTypeFlag_EnableInEditmode),
+    eModifierTypeFlag_AcceptsGreasePencil | eModifierTypeFlag_SupportsEditmode |
+        eModifierTypeFlag_EnableInEditmode,
     /*icon*/ ICON_MOD_SUBSURF,
 
     /*copy_data*/ blender::copy_data,