Commit: 75db4c082ba7bd3d311bd0f65b75934109199ee6
Author: Hans Goudey
Date: Mon Feb 6 13:24:40 2023 -0500
Branches: master
https://developer.blender.org/rB75db4c082ba7bd3d311bd0f65b75934109199ee6
Cleanup: Use BitVector instead of BLI_bitmap for subsurf face dot tags
For better type safety and more automatic memory management.
===================================================================
M source/blender/blenkernel/BKE_mesh_types.h
M source/blender/blenkernel/intern/mesh.cc
M source/blender/blenkernel/intern/mesh_iterators.cc
M source/blender/blenkernel/intern/mesh_runtime.cc
M source/blender/blenkernel/intern/subdiv_mesh.cc
M source/blender/blenlib/BLI_bit_vector.hh
M source/blender/draw/intern/draw_cache_extract_mesh.cc
M source/blender/draw/intern/mesh_extractors/extract_mesh_ibo_edituv.cc
M source/blender/draw/intern/mesh_extractors/extract_mesh_ibo_fdots.cc
M source/blender/draw/intern/mesh_extractors/extract_mesh_vbo_fdots_pos.cc
M source/blender/draw/intern/mesh_extractors/extract_mesh_vbo_fdots_uv.cc
M source/blender/editors/space_view3d/view3d_iterators.cc
===================================================================
diff --git a/source/blender/blenkernel/BKE_mesh_types.h
b/source/blender/blenkernel/BKE_mesh_types.h
index 0e0bced37ec..c9992a5e3d7 100644
--- a/source/blender/blenkernel/BKE_mesh_types.h
+++ b/source/blender/blenkernel/BKE_mesh_types.h
@@ -25,6 +25,7 @@
struct BVHCache;
struct EditMeshData;
+struct Mesh;
struct MLoopTri;
struct ShrinkwrapBoundaryData;
struct SubdivCCG;
@@ -167,10 +168,11 @@ struct MeshRuntime {
SharedCache<LooseEdgeCache> loose_edges_cache;
/**
- * A #BLI_bitmap containing tags for the center vertices of subdivided
polygons, set by the
- * subdivision surface modifier and used by drawing code instead of polygon
center face dots.
+ * A bit vector the size of the number of vertices, set to true for the
center vertices of
+ * subdivided polygons. The values are set by the subdivision surface
modifier and used by
+ * drawing code instead of polygon center face dots. Otherwise this will be
empty.
*/
- uint32_t *subsurf_face_dot_tags = nullptr;
+ BitVector<> subsurf_face_dot_tags;
MeshRuntime() = default;
~MeshRuntime();
diff --git a/source/blender/blenkernel/intern/mesh.cc
b/source/blender/blenkernel/intern/mesh.cc
index dfdad20cc48..f588bfb1326 100644
--- a/source/blender/blenkernel/intern/mesh.cc
+++ b/source/blender/blenkernel/intern/mesh.cc
@@ -107,10 +107,10 @@ static void mesh_copy_data(Main *bmain, ID *id_dst, const
ID *id_src, const int
mesh_dst->runtime->wrapper_type_finalize =
mesh_src->runtime->wrapper_type_finalize;
mesh_dst->runtime->subsurf_runtime_data =
mesh_src->runtime->subsurf_runtime_data;
mesh_dst->runtime->cd_mask_extra = mesh_src->runtime->cd_mask_extra;
- /* Copy face dot tags, since meshes may be duplicated after a subsurf
modifier
- * or node, but we still need to be able to draw face center vertices. */
- mesh_dst->runtime->subsurf_face_dot_tags = static_cast<uint32_t *>(
- MEM_dupallocN(mesh_src->runtime->subsurf_face_dot_tags));
+ /* Copy face dot tags, since meshes may be duplicated after a subsurf
modifier or node, but we
+ * still need to be able to draw face center vertices. The tags may be
cleared explicitly when
+ * the topology is changed. */
+ mesh_dst->runtime->subsurf_face_dot_tags =
mesh_src->runtime->subsurf_face_dot_tags;
if ((mesh_src->id.tag & LIB_TAG_NO_MAIN) == 0) {
/* This is a direct copy of a main mesh, so for now it has the same
topology. */
mesh_dst->runtime->deformed_only = true;
diff --git a/source/blender/blenkernel/intern/mesh_iterators.cc
b/source/blender/blenkernel/intern/mesh_iterators.cc
index b1aa4dcec53..45ad8f2b626 100644
--- a/source/blender/blenkernel/intern/mesh_iterators.cc
+++ b/source/blender/blenkernel/intern/mesh_iterators.cc
@@ -316,8 +316,7 @@ void BKE_mesh_foreach_mapped_subdiv_face_center(
BKE_mesh_vertex_normals_ensure(mesh) :
nullptr;
const int *index = static_cast<const int
*>(CustomData_get_layer(&mesh->pdata, CD_ORIGINDEX));
- const BLI_bitmap *facedot_tags = mesh->runtime->subsurf_face_dot_tags;
- BLI_assert(facedot_tags != nullptr);
+ const blender::BitVector<> &facedot_tags =
mesh->runtime->subsurf_face_dot_tags;
if (index) {
for (int i = 0; i < mesh->totpoly; i++, mp++) {
@@ -327,7 +326,7 @@ void BKE_mesh_foreach_mapped_subdiv_face_center(
}
ml = &loops[mp->loopstart];
for (int j = 0; j < mp->totloop; j++, ml++) {
- if (BLI_BITMAP_TEST(facedot_tags, ml->v)) {
+ if (facedot_tags[ml->v]) {
func(userData,
orig,
positions[ml->v],
@@ -340,7 +339,7 @@ void BKE_mesh_foreach_mapped_subdiv_face_center(
for (int i = 0; i < mesh->totpoly; i++, mp++) {
ml = &loops[mp->loopstart];
for (int j = 0; j < mp->totloop; j++, ml++) {
- if (BLI_BITMAP_TEST(facedot_tags, ml->v)) {
+ if (facedot_tags[ml->v]) {
func(userData,
i,
positions[ml->v],
diff --git a/source/blender/blenkernel/intern/mesh_runtime.cc
b/source/blender/blenkernel/intern/mesh_runtime.cc
index 9509eea39e0..3c64d7f3742 100644
--- a/source/blender/blenkernel/intern/mesh_runtime.cc
+++ b/source/blender/blenkernel/intern/mesh_runtime.cc
@@ -105,7 +105,6 @@ MeshRuntime::~MeshRuntime()
if (this->shrinkwrap_data) {
BKE_shrinkwrap_boundary_data_free(this->shrinkwrap_data);
}
- MEM_SAFE_FREE(this->subsurf_face_dot_tags);
}
} // namespace blender::bke
@@ -230,10 +229,10 @@ void BKE_mesh_runtime_clear_geometry(Mesh *mesh)
mesh->runtime->bounds_cache.tag_dirty();
mesh->runtime->loose_edges_cache.tag_dirty();
mesh->runtime->looptris_cache.tag_dirty();
+ mesh->runtime->subsurf_face_dot_tags.clear_and_shrink();
if (mesh->runtime->shrinkwrap_data) {
BKE_shrinkwrap_boundary_data_free(mesh->runtime->shrinkwrap_data);
}
- MEM_SAFE_FREE(mesh->runtime->subsurf_face_dot_tags);
}
void BKE_mesh_tag_edges_split(struct Mesh *mesh)
@@ -245,10 +244,10 @@ void BKE_mesh_tag_edges_split(struct Mesh *mesh)
free_normals(*mesh->runtime);
free_subdiv_ccg(*mesh->runtime);
mesh->runtime->loose_edges_cache.tag_dirty();
+ mesh->runtime->subsurf_face_dot_tags.clear_and_shrink();
if (mesh->runtime->shrinkwrap_data) {
BKE_shrinkwrap_boundary_data_free(mesh->runtime->shrinkwrap_data);
}
- MEM_SAFE_FREE(mesh->runtime->subsurf_face_dot_tags);
}
void BKE_mesh_tag_coords_changed(Mesh *mesh)
diff --git a/source/blender/blenkernel/intern/subdiv_mesh.cc
b/source/blender/blenkernel/intern/subdiv_mesh.cc
index e0ca6a12c4e..0f735f06b42 100644
--- a/source/blender/blenkernel/intern/subdiv_mesh.cc
+++ b/source/blender/blenkernel/intern/subdiv_mesh.cc
@@ -534,9 +534,8 @@ static bool subdiv_mesh_topology_info(const
SubdivForeachContext *foreach_contex
subdiv_context->coarse_mesh, num_vertices, num_edges, 0, num_loops,
num_polygons, mask);
subdiv_mesh_ctx_cache_custom_data_layers(subdiv_context);
subdiv_mesh_prepare_accumulator(subdiv_context, num_vertices);
- MEM_SAFE_FREE(subdiv_context->subdiv_mesh->runtime->subsurf_face_dot_tags);
- subdiv_context->subdiv_mesh->runtime->subsurf_face_dot_tags =
BLI_BITMAP_NEW(num_vertices,
-
__func__);
+ subdiv_context->subdiv_mesh->runtime->subsurf_face_dot_tags.clear();
+
subdiv_context->subdiv_mesh->runtime->subsurf_face_dot_tags.resize(num_vertices);
return true;
}
@@ -598,7 +597,7 @@ static void
evaluate_vertex_and_apply_displacement_copy(const SubdivMeshContext
/* Evaluate undeformed texture coordinate. */
subdiv_vertex_orco_evaluate(ctx, ptex_face_index, u, v, subdiv_vertex_index);
/* Remove face-dot flag. This can happen if there is more than one subsurf
modifier. */
- BLI_BITMAP_DISABLE(ctx->subdiv_mesh->runtime->subsurf_face_dot_tags,
subdiv_vertex_index);
+
ctx->subdiv_mesh->runtime->subsurf_face_dot_tags[subdiv_vertex_index].reset();
}
static void evaluate_vertex_and_apply_displacement_interpolate(
@@ -752,7 +751,7 @@ static void subdiv_mesh_tag_center_vertex(const MPoly
*coarse_poly,
Mesh *subdiv_mesh)
{
if (subdiv_mesh_is_center_vertex(coarse_poly, u, v)) {
- BLI_BITMAP_ENABLE(subdiv_mesh->runtime->subsurf_face_dot_tags,
subdiv_vertex_index);
+ subdiv_mesh->runtime->subsurf_face_dot_tags[subdiv_vertex_index].set();
}
}
diff --git a/source/blender/blenlib/BLI_bit_vector.hh
b/source/blender/blenlib/BLI_bit_vector.hh
index eddfbaf4528..bad371fc88a 100644
--- a/source/blender/blenlib/BLI_bit_vector.hh
+++ b/source/blender/blenlib/BLI_bit_vector.hh
@@ -478,6 +478,28 @@ class BitVector {
this->realloc_to_at_least(new_capacity_in_bits);
}
+ /**
+ * Reset the size of the vector to zero elements, but keep the same memory
capacity to be
+ * refilled again.
+ */
+ void clear()
+ {
+ size_in_bits_ = 0;
+ }
+
+ /**
+ * Free memory and reset the vector to zero elements.
+ */
+ void clear_and_shrink()
+ {
+ size_in_bits_ = 0;
+ capacity_in_bits_ = 0;
+ if (!this->is_inline()) {
+ allocator_.deallocate(data_);
+ }
+ data_ = inline_buffer_;
+ }
+
private:
void ensure_space_for_one()
{
diff --git a/source/blender/draw/intern/draw_cache_extract_mesh.cc
b/source/blender/draw/intern/draw_cache_extract_mesh.cc
index ab89436f636..5626b782802 100644
--- a/source/blender/draw/intern/draw_cache_extract_mesh.cc
+++ b/source/blender/draw/intern/draw_cache_extract_mesh.cc
@@ -684,7 +684,8 @@ void mesh_buffer_cache_create_requested(struct TaskGraph
*task_graph,
MeshRenderData *mr = mesh_render_data_create(
object, me, is_editmode, is_paint_mode, is_mode_active, obmat, do_final,
do_uvedit, ts);
mr->use_hide = use_hide;
- mr->use_subsurf_fdots = mr->me && mr->me->runtime->subsurf_face_dot_tags !=
nullptr;
+ mr->use_subsurf_fdots = mr->me &&
+ mr->me->runtime->subsurf_face_dot_tags.size() ==
mr->me->totvert;
mr->use_final_mesh = do_final;
#ifdef DEBUG_TIME
diff --git
a/source/blender/draw/intern/mesh_extractors/extract_mesh_ibo_edituv.cc
b/source/blender/draw/intern/mesh_extractors/extract_mesh_ibo_edituv.cc
index e40503a9707..233241ad776 100644
--- a/source/blender/draw/intern/mesh_extractors/extract_mesh_ibo_edituv.cc
+++ b/source/blender/draw/intern/mesh_extractors/extract_mesh_ibo_edituv.cc
@@ -557,7 +557,7 @@ static void extract_edituv_fdots_iter_poly_mesh(const
MeshRenderData *mr,
const bool mp_select = (efa) ? BM_elem_flag_test_bool(efa, BM_ELEM_SELECT) :
false;
if (mr->use_subsurf_fdots) {
- const BLI_bitmap *facedot_tags = mr->me->runtime->subsurf_face_dot_tags;
+ const BitVector<> &facedot_tags = mr->me->runtime->subsurf_face_dot_tags;
const MLoop *mloop = mr->mloop;
const int ml_index_end = mp->loopstart + mp->totloop;
@@ -565,7 +565,7 @@ static void extract_edituv_fdots_iter_poly_mesh(const
MeshRenderData *mr,
const MLoop *ml = &mloop[ml_index];
const bool real_fdot = !mr->p_origindex || (mr->p_origindex[mp_index] !=
ORIGINDEX_NONE);
- const bool subd_fdot = BLI_BITMAP_TEST(facedot_tags, ml->v);
+ const bool subd_fdot = f
@@ Diff output truncated at 10240 characters. @@
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