Cleanup: Avoid error prone pointer storage in SnapObjectParams
eed48a7322 caused the `SnapObjectParams` to be stored in the `SnapObjectContext`.
As this pointer is always passing in stack memory, so it seems error prone to keep a reference to this in `SnapObjectContext` since failure to set this will reference undefined stack memory.
So avoid this by moving params out of `SnapObjectContext`.
Differential Revision: https://developer.blender.org/D13401This commit is contained in:
Campbell Barton
parent
98bb8e6955
commit
5e9dba822d
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@ -125,8 +125,6 @@ struct SnapObjectContext {
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const ARegion *region;
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const View3D *v3d;
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const struct SnapObjectParams *params;
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float mval[2];
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float pmat[4][4]; /* perspective matrix */
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float win_size[2]; /* win x and y */
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@ -444,6 +442,7 @@ static SnapObjectData *snap_object_data_editmesh_get(SnapObjectContext *sctx,
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* \{ */
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typedef void (*IterSnapObjsCallback)(SnapObjectContext *sctx,
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const struct SnapObjectParams *params,
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Object *ob_eval,
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float obmat[4][4],
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bool is_object_active,
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@ -453,16 +452,17 @@ typedef void (*IterSnapObjsCallback)(SnapObjectContext *sctx,
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* Walks through all objects in the scene to create the list of objects to snap.
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*/
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static void iter_snap_objects(SnapObjectContext *sctx,
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const struct SnapObjectParams *params,
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IterSnapObjsCallback sob_callback,
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void *data)
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{
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ViewLayer *view_layer = DEG_get_input_view_layer(sctx->runtime.depsgraph);
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const eSnapSelect snap_select = sctx->runtime.params->snap_select;
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const eSnapSelect snap_select = params->snap_select;
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Base *base_act = view_layer->basact;
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if (snap_select == SNAP_ONLY_ACTIVE) {
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Object *obj_eval = DEG_get_evaluated_object(sctx->runtime.depsgraph, base_act->object);
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sob_callback(sctx, obj_eval, obj_eval->obmat, true, data);
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sob_callback(sctx, params, obj_eval, obj_eval->obmat, true, data);
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return;
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}
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@ -500,12 +500,12 @@ static void iter_snap_objects(SnapObjectContext *sctx,
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ListBase *lb = object_duplilist(sctx->runtime.depsgraph, sctx->scene, obj_eval);
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for (DupliObject *dupli_ob = lb->first; dupli_ob; dupli_ob = dupli_ob->next) {
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BLI_assert(DEG_is_evaluated_object(dupli_ob->ob));
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sob_callback(sctx, dupli_ob->ob, dupli_ob->mat, is_object_active, data);
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sob_callback(sctx, params, dupli_ob->ob, dupli_ob->mat, is_object_active, data);
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}
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free_object_duplilist(lb);
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}
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sob_callback(sctx, obj_eval, obj_eval->obmat, is_object_active, data);
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sob_callback(sctx, params, obj_eval, obj_eval->obmat, is_object_active, data);
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}
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}
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@ -665,6 +665,7 @@ static void editmesh_looptri_raycast_backface_culling_cb(void *userdata,
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}
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static bool raycastMesh(SnapObjectContext *sctx,
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const struct SnapObjectParams *params,
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const float ray_start[3],
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const float ray_dir[3],
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Object *ob_eval,
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@ -773,7 +774,7 @@ static bool raycastMesh(SnapObjectContext *sctx,
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ray_normal_local,
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0.0f,
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&hit,
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sctx->runtime.params->use_backface_culling ?
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params->use_backface_culling ?
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mesh_looptri_raycast_backface_culling_cb :
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treedata->raycast_callback,
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treedata) != -1) {
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@ -805,6 +806,7 @@ static bool raycastMesh(SnapObjectContext *sctx,
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}
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static bool raycastEditMesh(SnapObjectContext *sctx,
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const struct SnapObjectParams *params,
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const float ray_start[3],
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const float ray_dir[3],
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Object *ob_eval,
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@ -943,7 +945,7 @@ static bool raycastEditMesh(SnapObjectContext *sctx,
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ray_normal_local,
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0.0f,
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&hit,
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sctx->runtime.params->use_backface_culling ?
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params->use_backface_culling ?
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editmesh_looptri_raycast_backface_culling_cb :
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treedata->raycast_callback,
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treedata) != -1) {
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@ -998,8 +1000,12 @@ struct RaycastObjUserData {
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*
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* \note Duplicate args here are documented at #snapObjectsRay
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*/
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static void raycast_obj_fn(
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SnapObjectContext *sctx, Object *ob_eval, float obmat[4][4], bool is_object_active, void *data)
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static void raycast_obj_fn(SnapObjectContext *sctx,
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const struct SnapObjectParams *params,
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Object *ob_eval,
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float obmat[4][4],
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bool is_object_active,
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void *data)
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{
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struct RaycastObjUserData *dt = data;
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const uint ob_index = dt->ob_index++;
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@ -1018,13 +1024,14 @@ static void raycast_obj_fn(
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switch (ob_eval->type) {
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case OB_MESH: {
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const eSnapEditType edit_mode_type = sctx->runtime.params->edit_mode_type;
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const eSnapEditType edit_mode_type = params->edit_mode_type;
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bool use_hide = false;
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Mesh *me_eval = mesh_for_snap(ob_eval, edit_mode_type, &use_hide);
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if (me_eval == NULL) {
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/* Operators only update the editmesh looptris of the original mesh. */
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BMEditMesh *em_orig = BKE_editmesh_from_object(DEG_get_original_object(ob_eval));
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retval = raycastEditMesh(sctx,
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params,
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dt->ray_start,
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dt->ray_dir,
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ob_eval,
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@ -1039,6 +1046,7 @@ static void raycast_obj_fn(
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break;
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}
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retval = raycastMesh(sctx,
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params,
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dt->ray_start,
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dt->ray_dir,
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ob_eval,
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@ -1060,6 +1068,7 @@ static void raycast_obj_fn(
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const Mesh *mesh_eval = BKE_object_get_evaluated_mesh(ob_eval);
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if (mesh_eval) {
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retval = raycastMesh(sctx,
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params,
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dt->ray_start,
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dt->ray_dir,
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ob_eval,
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@ -1115,6 +1124,7 @@ static void raycast_obj_fn(
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* \param r_hit_list: List of #SnapObjectHitDepth (caller must free).
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*/
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static bool raycastObjects(SnapObjectContext *sctx,
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const struct SnapObjectParams *params,
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const float ray_start[3],
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const float ray_dir[3],
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/* read/write args */
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@ -1129,7 +1139,6 @@ static bool raycastObjects(SnapObjectContext *sctx,
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float r_obmat[4][4],
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ListBase *r_hit_list)
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{
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const struct SnapObjectParams *params = sctx->runtime.params;
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const View3D *v3d = sctx->runtime.v3d;
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if (params->use_occlusion_test && v3d && XRAY_FLAG_ENABLED(v3d)) {
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/* General testing of occlusion geometry is disabled if the snap is not intended for the edit
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@ -1154,7 +1163,7 @@ static bool raycastObjects(SnapObjectContext *sctx,
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.ret = false,
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};
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iter_snap_objects(sctx, raycast_obj_fn, &data);
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iter_snap_objects(sctx, params, raycast_obj_fn, &data);
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return data.ret;
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}
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@ -1531,6 +1540,7 @@ static void cb_snap_tri_verts(void *userdata,
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* \{ */
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static short snap_mesh_polygon(SnapObjectContext *sctx,
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const struct SnapObjectParams *params,
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Object *ob_eval,
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const float obmat[4][4],
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/* read/write args */
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@ -1564,10 +1574,8 @@ static short snap_mesh_polygon(SnapObjectContext *sctx,
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BLI_assert(sod != NULL);
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Nearest2dUserData nearest2d;
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nearest2d_data_init(sod,
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sctx->runtime.view_proj == VIEW_PROJ_PERSP,
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sctx->runtime.params->use_backface_culling,
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&nearest2d);
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nearest2d_data_init(
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sod, sctx->runtime.view_proj == VIEW_PROJ_PERSP, params->use_backface_culling, &nearest2d);
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if (sod->type == SNAP_MESH) {
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BVHTreeFromMesh *treedata = &sod->treedata_mesh;
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@ -1657,6 +1665,7 @@ static short snap_mesh_polygon(SnapObjectContext *sctx,
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}
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static short snap_mesh_edge_verts_mixed(SnapObjectContext *sctx,
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const struct SnapObjectParams *params,
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Object *ob_eval,
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const float obmat[4][4],
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float original_dist_px,
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@ -1678,10 +1687,8 @@ static short snap_mesh_edge_verts_mixed(SnapObjectContext *sctx,
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BLI_assert(sod != NULL);
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Nearest2dUserData nearest2d;
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nearest2d_data_init(sod,
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sctx->runtime.view_proj == VIEW_PROJ_PERSP,
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sctx->runtime.params->use_backface_culling,
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&nearest2d);
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nearest2d_data_init(
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sod, sctx->runtime.view_proj == VIEW_PROJ_PERSP, params->use_backface_culling, &nearest2d);
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int vindex[2];
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nearest2d.get_edge_verts_index(*r_index, nearest2d.userdata, vindex);
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@ -1806,6 +1813,7 @@ static short snap_mesh_edge_verts_mixed(SnapObjectContext *sctx,
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}
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static short snapArmature(SnapObjectContext *sctx,
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const struct SnapObjectParams *params,
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Object *ob_eval,
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const float obmat[4][4],
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/* read/write args */
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@ -1849,7 +1857,7 @@ static short snapArmature(SnapObjectContext *sctx,
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mul_v4_m4v4(clip_planes_local[i], tobmat, sctx->runtime.clip_plane[i]);
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}
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const eSnapSelect snap_select = sctx->runtime.params->snap_select;
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const eSnapSelect snap_select = params->snap_select;
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bool is_persp = sctx->runtime.view_proj == VIEW_PROJ_PERSP;
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bArmature *arm = ob_eval->data;
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@ -1963,6 +1971,7 @@ static short snapArmature(SnapObjectContext *sctx,
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}
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static short snapCurve(SnapObjectContext *sctx,
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const struct SnapObjectParams *params,
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Object *ob_eval,
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const float obmat[4][4],
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/* read/write args */
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@ -2022,7 +2031,7 @@ static short snapCurve(SnapObjectContext *sctx,
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}
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bool is_persp = sctx->runtime.view_proj == VIEW_PROJ_PERSP;
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bool skip_selected = sctx->runtime.params->snap_select == SNAP_NOT_SELECTED;
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bool skip_selected = params->snap_select == SNAP_NOT_SELECTED;
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for (Nurb *nu = (use_obedit ? cu->editnurb->nurbs.first : cu->nurb.first); nu; nu = nu->next) {
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for (int u = 0; u < nu->pntsu; u++) {
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@ -2284,6 +2293,7 @@ static short snapCamera(const SnapObjectContext *sctx,
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}
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static short snapMesh(SnapObjectContext *sctx,
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const struct SnapObjectParams *params,
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Object *ob_eval,
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Mesh *me_eval,
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const float obmat[4][4],
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@ -2358,10 +2368,8 @@ static short snapMesh(SnapObjectContext *sctx,
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}
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Nearest2dUserData nearest2d;
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nearest2d_data_init(sod,
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sctx->runtime.view_proj == VIEW_PROJ_PERSP,
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sctx->runtime.params->use_backface_culling,
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&nearest2d);
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nearest2d_data_init(
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sod, sctx->runtime.view_proj == VIEW_PROJ_PERSP, params->use_backface_culling, &nearest2d);
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BVHTreeNearest nearest = {
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.index = -1,
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@ -2476,6 +2484,7 @@ static short snapMesh(SnapObjectContext *sctx,
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}
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static short snapEditMesh(SnapObjectContext *sctx,
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const struct SnapObjectParams *params,
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Object *ob_eval,
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BMEditMesh *em,
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const float obmat[4][4],
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@ -2579,10 +2588,8 @@ static short snapEditMesh(SnapObjectContext *sctx,
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}
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Nearest2dUserData nearest2d;
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nearest2d_data_init(sod,
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sctx->runtime.view_proj == VIEW_PROJ_PERSP,
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sctx->runtime.params->use_backface_culling,
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&nearest2d);
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nearest2d_data_init(
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sod, sctx->runtime.view_proj == VIEW_PROJ_PERSP, params->use_backface_culling, &nearest2d);
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BVHTreeNearest nearest = {
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.index = -1,
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@ -2675,6 +2682,7 @@ struct SnapObjUserData {
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* \note Duplicate args here are documented at #snapObjectsRay
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*/
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static void snap_obj_fn(SnapObjectContext *sctx,
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const struct SnapObjectParams *params,
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Object *ob_eval,
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float obmat[4][4],
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bool UNUSED(is_object_active),
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@ -2685,14 +2693,14 @@ static void snap_obj_fn(SnapObjectContext *sctx,
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switch (ob_eval->type) {
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case OB_MESH: {
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const eSnapEditType edit_mode_type = sctx->runtime.params->edit_mode_type;
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const eSnapEditType edit_mode_type = params->edit_mode_type;
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bool use_hide;
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Mesh *me_eval = mesh_for_snap(ob_eval, edit_mode_type, &use_hide);
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if (me_eval == NULL) {
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/* Operators only update the editmesh looptris of the original mesh. */
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BMEditMesh *em_orig = BKE_editmesh_from_object(DEG_get_original_object(ob_eval));
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retval = snapEditMesh(
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sctx, ob_eval, em_orig, obmat, dt->dist_px, dt->r_loc, dt->r_no, dt->r_index);
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sctx, params, ob_eval, em_orig, obmat, dt->dist_px, dt->r_loc, dt->r_no, dt->r_index);
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break;
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}
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if (ob_eval->dt == OB_BOUNDBOX) {
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@ -2700,22 +2708,40 @@ static void snap_obj_fn(SnapObjectContext *sctx,
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return;
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}
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retval = snapMesh(
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sctx, ob_eval, me_eval, obmat, use_hide, dt->dist_px, dt->r_loc, dt->r_no, dt->r_index);
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retval = snapMesh(sctx,
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params,
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ob_eval,
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me_eval,
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obmat,
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use_hide,
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dt->dist_px,
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dt->r_loc,
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dt->r_no,
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dt->r_index);
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break;
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}
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case OB_ARMATURE:
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retval = snapArmature(sctx, ob_eval, obmat, dt->dist_px, dt->r_loc, dt->r_no, dt->r_index);
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retval = snapArmature(
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sctx, params, ob_eval, obmat, dt->dist_px, dt->r_loc, dt->r_no, dt->r_index);
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break;
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case OB_CURVE:
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retval = snapCurve(sctx, ob_eval, obmat, dt->dist_px, dt->r_loc, dt->r_no, dt->r_index);
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retval = snapCurve(
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sctx, params, ob_eval, obmat, dt->dist_px, dt->r_loc, dt->r_no, dt->r_index);
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break; /* Use ATTR_FALLTHROUGH if we want to snap to the generated mesh. */
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case OB_SURF:
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case OB_FONT: {
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Mesh *mesh_eval = BKE_object_get_evaluated_mesh(ob_eval);
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if (mesh_eval) {
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retval |= snapMesh(
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sctx, ob_eval, mesh_eval, obmat, false, dt->dist_px, dt->r_loc, dt->r_no, dt->r_index);
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retval |= snapMesh(sctx,
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params,
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ob_eval,
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mesh_eval,
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obmat,
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false,
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dt->dist_px,
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dt->r_loc,
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dt->r_no,
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dt->r_index);
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}
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break;
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}
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@ -2765,6 +2791,7 @@ static void snap_obj_fn(SnapObjectContext *sctx,
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* \param r_obmat: Object matrix (may not be #Object.obmat with dupli-instances).
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*/
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static short snapObjectsRay(SnapObjectContext *sctx,
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const struct SnapObjectParams *params,
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/* read/write args */
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/* Parameters below cannot be const, because they are assigned to a
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* non-const variable (readability-non-const-parameter). */
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@ -2786,7 +2813,7 @@ static short snapObjectsRay(SnapObjectContext *sctx,
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.ret = 0,
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};
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iter_snap_objects(sctx, snap_obj_fn, &data);
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iter_snap_objects(sctx, params, snap_obj_fn, &data);
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return data.ret;
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}
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@ -2857,12 +2884,11 @@ bool ED_transform_snap_object_project_ray_ex(SnapObjectContext *sctx,
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Object **r_ob,
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float r_obmat[4][4])
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{
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sctx->runtime.params = params;
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sctx->runtime.depsgraph = depsgraph;
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sctx->runtime.v3d = v3d;
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return raycastObjects(
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sctx, ray_start, ray_normal, ray_depth, r_loc, r_no, r_index, r_ob, r_obmat, NULL);
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sctx, params, ray_start, ray_normal, ray_depth, r_loc, r_no, r_index, r_ob, r_obmat, NULL);
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}
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bool ED_transform_snap_object_project_ray_all(SnapObjectContext *sctx,
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@ -2875,7 +2901,6 @@ bool ED_transform_snap_object_project_ray_all(SnapObjectContext *sctx,
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bool sort,
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ListBase *r_hit_list)
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{
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sctx->runtime.params = params;
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sctx->runtime.depsgraph = depsgraph;
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||||
sctx->runtime.v3d = v3d;
|
||||
|
||||
|
|
@ -2888,7 +2913,7 @@ bool ED_transform_snap_object_project_ray_all(SnapObjectContext *sctx,
|
|||
#endif
|
||||
|
||||
bool retval = raycastObjects(
|
||||
sctx, ray_start, ray_normal, &ray_depth, NULL, NULL, NULL, NULL, NULL, r_hit_list);
|
||||
sctx, params, ray_start, ray_normal, &ray_depth, NULL, NULL, NULL, NULL, NULL, r_hit_list);
|
||||
|
||||
/* meant to be readonly for 'all' hits, ensure it is */
|
||||
#ifdef DEBUG
|
||||
|
|
@ -2975,7 +3000,6 @@ static short transform_snap_context_project_view3d_mixed_impl(
|
|||
float r_obmat[4][4],
|
||||
float r_face_nor[3])
|
||||
{
|
||||
sctx->runtime.params = params;
|
||||
sctx->runtime.depsgraph = depsgraph;
|
||||
sctx->runtime.region = region;
|
||||
sctx->runtime.v3d = v3d;
|
||||
|
|
@ -3008,8 +3032,17 @@ static short transform_snap_context_project_view3d_mixed_impl(
|
|||
|
||||
float dummy_ray_depth = BVH_RAYCAST_DIST_MAX;
|
||||
|
||||
has_hit = raycastObjects(
|
||||
sctx, ray_start, ray_normal, &dummy_ray_depth, loc, no, &index, &ob_eval, obmat, NULL);
|
||||
has_hit = raycastObjects(sctx,
|
||||
params,
|
||||
ray_start,
|
||||
ray_normal,
|
||||
&dummy_ray_depth,
|
||||
loc,
|
||||
no,
|
||||
&index,
|
||||
&ob_eval,
|
||||
obmat,
|
||||
NULL);
|
||||
|
||||
if (has_hit) {
|
||||
if (r_face_nor) {
|
||||
|
|
@ -3079,7 +3112,7 @@ static short transform_snap_context_project_view3d_mixed_impl(
|
|||
new_clipplane[3] += 0.01f;
|
||||
|
||||
/* Try to snap only to the polygon. */
|
||||
elem_test = snap_mesh_polygon(sctx, ob_eval, obmat, &dist_px_tmp, loc, no, &index);
|
||||
elem_test = snap_mesh_polygon(sctx, params, ob_eval, obmat, &dist_px_tmp, loc, no, &index);
|
||||
if (elem_test) {
|
||||
elem = elem_test;
|
||||
}
|
||||
|
|
@ -3093,7 +3126,7 @@ static short transform_snap_context_project_view3d_mixed_impl(
|
|||
sctx->runtime.has_occlusion_plane = true;
|
||||
}
|
||||
|
||||
elem_test = snapObjectsRay(sctx, &dist_px_tmp, loc, no, &index, &ob_eval, obmat);
|
||||
elem_test = snapObjectsRay(sctx, params, &dist_px_tmp, loc, no, &index, &ob_eval, obmat);
|
||||
if (elem_test) {
|
||||
elem = elem_test;
|
||||
}
|
||||
|
|
@ -3103,7 +3136,7 @@ static short transform_snap_context_project_view3d_mixed_impl(
|
|||
SCE_SNAP_MODE_EDGE_PERPENDICULAR))) {
|
||||
sctx->runtime.snap_to_flag = snap_to_flag;
|
||||
elem = snap_mesh_edge_verts_mixed(
|
||||
sctx, ob_eval, obmat, *dist_px, prev_co, &dist_px_tmp, loc, no, &index);
|
||||
sctx, params, ob_eval, obmat, *dist_px, prev_co, &dist_px_tmp, loc, no, &index);
|
||||
}
|
||||
|
||||
if (elem & snap_to_flag) {
|
||||
|
|
|
|||
Loading…
Reference in New Issue