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Ported: Fix 2D MultiMesh hierarchical culling

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Fixes updating local bounds for MultiMeshes used in canvas items by introducing a back link.
- lawnjelly
ad577e3c7e
This commit is contained in:
Relintai 2023-08-27 21:28:30 +02:00
parent 17fa82ac02
commit 26bb16d86e
6 changed files with 85 additions and 3 deletions
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1
drivers/dummy/rasterizer_dummy.h
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@ -448,6 +448,7 @@ public:
AABB _multimesh_get_aabb(RID p_multimesh) const { return AABB(); }
MMInterpolator *_multimesh_get_interpolator(RID p_multimesh) const { return nullptr; }
void multimesh_attach_canvas_item(RID p_multimesh, RID p_canvas_item, bool p_attach) {}
/* IMMEDIATE API */

36
drivers/gles2/rasterizer_storage_gles2.cpp
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@ -3388,6 +3388,24 @@ RasterizerStorage::MMInterpolator *RasterizerStorageGLES2::_multimesh_get_interp
return &multimesh->interpolator;
}
void RasterizerStorageGLES2::multimesh_attach_canvas_item(RID p_multimesh, RID p_canvas_item, bool p_attach) {
MultiMesh *multimesh = multimesh_owner.getornull(p_multimesh);
ERR_FAIL_NULL(multimesh);
ERR_FAIL_COND(!p_canvas_item.is_valid());
if (p_attach) {
int64_t found = multimesh->linked_canvas_items.find(p_canvas_item);
if (found == -1) {
multimesh->linked_canvas_items.push_back(p_canvas_item);
}
} else {
int64_t found = multimesh->linked_canvas_items.find(p_canvas_item);
if (found != -1) {
multimesh->linked_canvas_items.remove_unordered(found);
}
}
}
void RasterizerStorageGLES2::update_dirty_multimeshes() {
while (multimesh_update_list.first()) {
MultiMesh *multimesh = multimesh_update_list.first()->self();
@ -3457,6 +3475,14 @@ void RasterizerStorageGLES2::update_dirty_multimeshes() {
}
multimesh->aabb = aabb;
// Inform any linked canvas items that bounds have changed
// (for hierarchical culling).
int num_linked = multimesh->linked_canvas_items.size();
for (int n = 0; n < num_linked; n++) {
const RID &rid = multimesh->linked_canvas_items[n];
RSG::canvas->_canvas_item_invalidate_local_bound(rid);
}
}
multimesh->dirty_aabb = false;
@ -4129,7 +4155,7 @@ void RasterizerStorageGLES2::update_dirty_skeletons() {
int num_linked = skeleton->linked_canvas_items.size();
for (int n = 0; n < num_linked; n++) {
const RID &rid = skeleton->linked_canvas_items[n];
RSG::canvas->_canvas_item_skeleton_moved(rid);
RSG::canvas->_canvas_item_invalidate_local_bound(rid);
}
ele = ele->next();
@ -5700,6 +5726,14 @@ bool RasterizerStorageGLES2::free(RID p_rid) {
_interpolation_data.notify_free_multimesh(p_rid);
MultiMesh *multimesh = multimesh_owner.get(p_rid);
// remove any references in linked canvas items
int num_linked = multimesh->linked_canvas_items.size();
for (int n = 0; n < num_linked; n++) {
const RID &rid = multimesh->linked_canvas_items[n];
RSG::canvas->_canvas_item_remove_references(rid, p_rid);
}
multimesh->instance_remove_deps();
if (multimesh->mesh.is_valid()) {

2
drivers/gles2/rasterizer_storage_gles2.h
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@ -787,6 +787,7 @@ public:
bool dirty_data;
MMInterpolator interpolator;
LocalVector<RID> linked_canvas_items;
MultiMesh() :
size(0),
@ -833,6 +834,7 @@ public:
virtual AABB _multimesh_get_aabb(RID p_multimesh) const;
virtual MMInterpolator *_multimesh_get_interpolator(RID p_multimesh) const;
virtual void multimesh_attach_canvas_item(RID p_multimesh, RID p_canvas_item, bool p_attach);
void update_dirty_multimeshes();

27
servers/rendering/rasterizer.h
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@ -376,6 +376,7 @@ public:
virtual void multimesh_set_visible_instances(RID p_multimesh, int p_visible);
virtual int multimesh_get_visible_instances(RID p_multimesh) const;
virtual AABB multimesh_get_aabb(RID p_multimesh) const;
virtual void multimesh_attach_canvas_item(RID p_multimesh, RID p_canvas_item, bool p_attach) = 0;
virtual RID _multimesh_create() = 0;
virtual void _multimesh_allocate(RID p_multimesh, int p_instances, RS::MultimeshTransformFormat p_transform_format, RS::MultimeshColorFormat p_color_format, RS::MultimeshCustomDataFormat p_data = RS::MULTIMESH_CUSTOM_DATA_NONE) = 0;
@ -681,6 +682,8 @@ public:
TYPE_MULTIRECT,
};
virtual bool contains_reference(const RID &p_rid) const { return false; }
Type type;
virtual ~Command() {}
};
@ -813,7 +816,17 @@ public:
RID multimesh;
RID texture;
RID normal_map;
RID canvas_item;
virtual bool contains_reference(const RID &p_rid) const { return multimesh == p_rid; }
CommandMultiMesh() { type = TYPE_MULTIMESH; }
virtual ~CommandMultiMesh() {
// Remove any backlinks from multimesh to canvas item.
if (multimesh.is_valid()) {
RasterizerStorage::base_singleton->multimesh_attach_canvas_item(multimesh, canvas_item, false);
}
}
};
struct CommandCircle : public Command {
@ -1052,6 +1065,20 @@ public:
return rect;
}
void remove_references(const RID &p_rid) {
for (int i = commands.size() - 1; i >= 0; i--) {
if (commands[i]->contains_reference(p_rid)) {
memdelete(commands[i]);
// This could possibly be unordered if occurring close
// to canvas_item deletion, but is
// unlikely to make much performance difference,
// and is safer.
commands.remove(i);
}
}
}
void clear() {
for (int i = 0; i < commands.size(); i++) {
memdelete(commands[i]);

18
servers/rendering/rendering_server_canvas.cpp
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@ -1417,10 +1417,17 @@ void RenderingServerCanvas::canvas_item_add_multimesh(RID p_item, RID p_mesh, RI
mm->multimesh = p_mesh;
mm->texture = p_texture;
mm->normal_map = p_normal_map;
mm->canvas_item = p_item;
canvas_item->rect_dirty = true;
canvas_item->commands.push_back(mm);
_make_bound_dirty(canvas_item);
// Attach to multimesh a backlink to enable updating
// the canvas item local bound when the multimesh changes.
if (p_mesh.is_valid()) {
RSG::storage->multimesh_attach_canvas_item(p_mesh, p_item, true);
}
}
void RenderingServerCanvas::canvas_item_add_clip_ignore(RID p_item, bool p_ignore) {
@ -1584,7 +1591,16 @@ void RenderingServerCanvas::canvas_item_attach_skeleton(RID p_item, RID p_skelet
}
}
void RenderingServerCanvas::_canvas_item_skeleton_moved(RID p_item) {
// Canvas items may contain references to other resources (such as MultiMesh).
// If the resources are deleted first, and the canvas_item retains references, it
// will crash / error when it tries to access these.
void RenderingServerCanvas::_canvas_item_remove_references(RID p_item, RID p_rid) {
Item *canvas_item = canvas_item_owner.getornull(p_item);
ERR_FAIL_COND(!canvas_item);
canvas_item->remove_references(p_rid);
}
void RenderingServerCanvas::_canvas_item_invalidate_local_bound(RID p_item) {
Item *canvas_item = canvas_item_owner.getornull(p_item);
ERR_FAIL_COND(!canvas_item);
_make_bound_dirty(canvas_item);

4
servers/rendering/rendering_server_canvas.h
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@ -256,7 +256,6 @@ public:
void canvas_item_set_use_parent_material(RID p_item, bool p_enable);
void canvas_item_attach_skeleton(RID p_item, RID p_skeleton);
void _canvas_item_skeleton_moved(RID p_item);
void canvas_item_set_skeleton_relative_xform(RID p_item, Transform2D p_relative_xform);
Rect2 _debug_canvas_item_get_rect(RID p_item);
Rect2 _debug_canvas_item_get_local_bound(RID p_item);
@ -265,6 +264,9 @@ public:
void canvas_item_reset_physics_interpolation(RID p_item);
void canvas_item_transform_physics_interpolation(RID p_item, Transform2D p_transform);
void _canvas_item_invalidate_local_bound(RID p_item);
void _canvas_item_remove_references(RID p_item, RID p_rid);
RID canvas_light_create();
void canvas_light_attach_to_canvas(RID p_light, RID p_canvas);
void canvas_light_set_enabled(RID p_light, bool p_enabled);