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Fix #109885: Check if BVH tree is null in correct place #109892

Merged
Hans Goudey merged 1 commits from mod_moder/blender:tmp_fix_null_result_of_constructor into main 2023-07-10 18:12:48 +02:00
Conversation 1 Commits 1 Files Changed 4 +18 -11
4 changed files with 18 additions and 11 deletions
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8
source/blender/blenkernel/BKE_bvhutils.h
View File

@ -247,9 +247,11 @@ typedef struct BVHTreeFromPointCloud {
const float (*coords)[3];
} BVHTreeFromPointCloud;
BVHTree *BKE_bvhtree_from_pointcloud_get(struct BVHTreeFromPointCloud *data,
const struct PointCloud *pointcloud,
int tree_type);
#ifdef __cplusplus
[[nodiscard]] BVHTree *BKE_bvhtree_from_pointcloud_get(BVHTreeFromPointCloud *data,
const PointCloud *pointcloud,
int tree_type);
#endif
void free_bvhtree_from_pointcloud(struct BVHTreeFromPointCloud *data);

6
source/blender/blenkernel/intern/bvhutils.cc
View File

@ -1369,9 +1369,9 @@ void free_bvhtree_from_mesh(BVHTreeFromMesh *data)
/** \name Point Cloud BVH Building
* \{ */
BVHTree *BKE_bvhtree_from_pointcloud_get(BVHTreeFromPointCloud *data,
const PointCloud *pointcloud,
const int tree_type)
[[nodiscard]] BVHTree *BKE_bvhtree_from_pointcloud_get(BVHTreeFromPointCloud *data,
const PointCloud *pointcloud,
const int tree_type)
{
int tot_point = pointcloud->totpoint;
BVHTree *tree = bvhtree_new_common(0.0f, tree_type, 6, tot_point, tot_point);

4
source/blender/nodes/geometry/nodes/node_geo_proximity.cc
View File

@ -95,8 +95,8 @@ static bool calculate_pointcloud_proximity(const VArray<float3> &positions,
MutableSpan<float3> r_locations)
{
BVHTreeFromPointCloud bvh_data;
BKE_bvhtree_from_pointcloud_get(&bvh_data, &pointcloud, 2);
if (bvh_data.tree == nullptr) {
const BVHTree *tree = BKE_bvhtree_from_pointcloud_get(&bvh_data, &pointcloud, 2);
if (tree == nullptr) {
return false;
}

11
source/blender/nodes/geometry/nodes/node_geo_sample_nearest.cc
View File

@ -72,14 +72,19 @@ static void node_init(bNodeTree * /*tree*/, bNode *node)
static void get_closest_pointcloud_points(const PointCloud &pointcloud,
const VArray<float3> &positions,
const IndexMask &mask,
const MutableSpan<int> r_indices,
const MutableSpan<float> r_distances_sq)
MutableSpan<int> r_indices,
MutableSpan<float> r_distances_sq)
{
BLI_assert(positions.size() >= r_indices.size());
BLI_assert(pointcloud.totpoint > 0);
BVHTreeFromPointCloud tree_data;
BKE_bvhtree_from_pointcloud_get(&tree_data, &pointcloud, 2);
const BVHTree *tree = BKE_bvhtree_from_pointcloud_get(&tree_data, &pointcloud, 2);
if (tree == nullptr) {
r_indices.fill(0);
r_distances_sq.fill(0.0f);
return;
}
mask.foreach_index([&](const int i) {
BVHTreeNearest nearest;