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Cleanup: Use BitVector instead of BLI_bitmap for subsurf face dot tags

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For better type safety and more automatic memory management.
This commit is contained in:
Hans Goudey
2023-02-06 13:24:40 -05:00
parent 2d994de77c
commit 75db4c082b
12 changed files with 53 additions and 31 deletions
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8
source/blender/blenkernel/BKE_mesh_types.h
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@@ -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();

8
source/blender/blenkernel/intern/mesh.cc
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@@ -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;

7
source/blender/blenkernel/intern/mesh_iterators.cc
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@@ -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],

5
source/blender/blenkernel/intern/mesh_runtime.cc
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@@ -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)

9
source/blender/blenkernel/intern/subdiv_mesh.cc
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@@ -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();
}
}

22
source/blender/blenlib/BLI_bit_vector.hh
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@@ -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()
{

3
source/blender/draw/intern/draw_cache_extract_mesh.cc
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@@ -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

4
source/blender/draw/intern/mesh_extractors/extract_mesh_ibo_edituv.cc
View File

@@ -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 = facedot_tags[ml->v];
edituv_facedot_add(data, mp_hidden || !real_fdot || !subd_fdot, mp_select, mp_index);
}
}

4
source/blender/draw/intern/mesh_extractors/extract_mesh_ibo_fdots.cc
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@@ -46,13 +46,13 @@ static void extract_fdots_iter_poly_mesh(const MeshRenderData *mr,
GPUIndexBufBuilder *elb = static_cast<GPUIndexBufBuilder *>(_userdata);
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;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
const MLoop *ml = &mloop[ml_index];
if (BLI_BITMAP_TEST(facedot_tags, ml->v) && !hidden) {
if (facedot_tags[ml->v] && !hidden) {
GPU_indexbuf_set_point_vert(elb, mp_index, mp_index);
return;
}

4
source/blender/draw/intern/mesh_extractors/extract_mesh_vbo_fdots_pos.cc
View File

@@ -76,13 +76,13 @@ static void extract_fdots_pos_iter_poly_mesh(const MeshRenderData *mr,
zero_v3(co);
const MLoop *mloop = mr->mloop;
const BLI_bitmap *facedot_tags = mr->me->runtime->subsurf_face_dot_tags;
const BitVector<> &facedot_tags = mr->me->runtime->subsurf_face_dot_tags;
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
const MLoop *ml = &mloop[ml_index];
if (mr->use_subsurf_fdots) {
if (BLI_BITMAP_TEST(facedot_tags, ml->v)) {
if (facedot_tags[ml->v]) {
copy_v3_v3(center[mp_index], mr->vert_positions[ml->v]);
break;
}

4
source/blender/draw/intern/mesh_extractors/extract_mesh_vbo_fdots_uv.cc
View File

@@ -74,14 +74,14 @@ static void extract_fdots_uv_iter_poly_mesh(const MeshRenderData *mr,
void *_data)
{
MeshExtract_FdotUV_Data *data = static_cast<MeshExtract_FdotUV_Data *>(_data);
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;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
const MLoop *ml = &mloop[ml_index];
if (mr->use_subsurf_fdots) {
if (BLI_BITMAP_TEST(facedot_tags, ml->v)) {
if (facedot_tags[ml->v]) {
copy_v2_v2(data->vbo_data[mp_index], data->uv_data[ml_index]);
}
}

6
source/blender/editors/space_view3d/view3d_iterators.cc
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@@ -577,12 +577,12 @@ void mesh_foreachScreenFace(
BM_mesh_elem_table_ensure(vc->em->bm, BM_FACE);
if (me->runtime->subsurf_face_dot_tags != nullptr) {
BKE_mesh_foreach_mapped_subdiv_face_center(
if (me->runtime->subsurf_face_dot_tags.size() == me->totvert) {
BKE_mesh_foreach_mapped_face_center(
me, mesh_foreachScreenFace__mapFunc, &data, MESH_FOREACH_NOP);
}
else {
BKE_mesh_foreach_mapped_face_center(
BKE_mesh_foreach_mapped_subdiv_face_center(
me, mesh_foreachScreenFace__mapFunc, &data, MESH_FOREACH_NOP);
}
}