3D View: Move selection API to a Selection engine.

This commit moves the API of selecting faces, vertices and edges to a DRW manager engine.

Reviewers: campbellbarton, fclem

Subscribers: jbakker, brecht

Differential Revision: https://developer.blender.org/D5090

2 files changed, 11 insertions, 21 deletions

diff --git a/source/blender/editors/mesh/CMakeLists.txt b/source/blender/editors/mesh/CMakeLists.txt
index 57bf67e825e..9a779db4812 100644
--- a/source/blender/editors/mesh/CMakeLists.txt
+++ b/source/blender/editors/mesh/CMakeLists.txt
@@ -23,6 +23,7 @@ set(INC
   ../../blentranslation
   ../../bmesh
   ../../depsgraph
+  ../../draw
   ../../gpu
   ../../imbuf
   ../../makesdna
diff --git a/source/blender/editors/mesh/editmesh_select.c b/source/blender/editors/mesh/editmesh_select.c
index 7b770f055b4..12b5a36c510 100644
--- a/source/blender/editors/mesh/editmesh_select.c
+++ b/source/blender/editors/mesh/editmesh_select.c
@@ -68,6 +68,8 @@
 #include "DEG_depsgraph.h"
 #include "DEG_depsgraph_query.h"
 
+#include "DRW_engine.h"
+
 #include "mesh_intern.h" /* own include */
 
 /* use bmesh operator flags for a few operators */
@@ -197,15 +199,11 @@ void EDBM_automerge(Scene *scene, Object *obedit, bool update, const char hflag)
 /** \name Back-Buffer OpenGL Selection
  * \{ */
 
-static BMElem *EDBM_select_id_bm_elem_get(struct EDSelectID_Context *sel_id_ctx,
-                                          Base **bases,
-                                          const uint sel_id,
-                                          uint *r_base_index)
+static BMElem *edbm_select_id_bm_elem_get(Base **bases, const uint sel_id, uint *r_base_index)
 {
   uint elem_id;
   char elem_type = 0;
-  bool success = ED_view3d_select_id_elem_get(
-      sel_id_ctx, sel_id, &elem_id, r_base_index, &elem_type);
+  bool success = DRW_select_elem_get(sel_id, &elem_id, r_base_index, &elem_type);
 
   if (success) {
     Object *obedit = bases[*r_base_index]->object;
@@ -335,20 +333,17 @@ BMVert *EDBM_vert_find_nearest_ex(ViewContext *vc,
     {
       FAKE_SELECT_MODE_BEGIN(vc, fake_select_mode, select_mode, SCE_SELECT_VERTEX);
 
-      struct EDSelectID_Context *sel_id_ctx = ED_view3d_select_id_context_create(
-          vc, bases, bases_len, select_mode);
+      DRW_draw_select_id(vc->depsgraph, vc->ar, vc->v3d, bases, bases_len, select_mode);
 
       index = ED_select_buffer_find_nearest_to_point(vc->mval, 1, UINT_MAX, &dist_px);
 
       if (index) {
-        eve = (BMVert *)EDBM_select_id_bm_elem_get(sel_id_ctx, bases, index, &base_index);
+        eve = (BMVert *)edbm_select_id_bm_elem_get(bases, index, &base_index);
       }
       else {
         eve = NULL;
       }
 
-      ED_view3d_select_id_context_destroy(sel_id_ctx);
-
       FAKE_SELECT_MODE_END(vc, fake_select_mode);
     }
 
@@ -564,20 +559,17 @@ BMEdge *EDBM_edge_find_nearest_ex(ViewContext *vc,
     {
       FAKE_SELECT_MODE_BEGIN(vc, fake_select_mode, select_mode, SCE_SELECT_EDGE);
 
-      struct EDSelectID_Context *sel_id_ctx = ED_view3d_select_id_context_create(
-          vc, bases, bases_len, select_mode);
+      DRW_draw_select_id(vc->depsgraph, vc->ar, vc->v3d, bases, bases_len, select_mode);
 
       index = ED_select_buffer_find_nearest_to_point(vc->mval, 1, UINT_MAX, &dist_px);
 
       if (index) {
-        eed = (BMEdge *)EDBM_select_id_bm_elem_get(sel_id_ctx, bases, index, &base_index);
+        eed = (BMEdge *)edbm_select_id_bm_elem_get(bases, index, &base_index);
       }
       else {
         eed = NULL;
       }
 
-      ED_view3d_select_id_context_destroy(sel_id_ctx);
-
       FAKE_SELECT_MODE_END(vc, fake_select_mode);
     }
 
@@ -777,20 +769,17 @@ BMFace *EDBM_face_find_nearest_ex(ViewContext *vc,
     {
       FAKE_SELECT_MODE_BEGIN(vc, fake_select_mode, select_mode, SCE_SELECT_FACE);
 
-      struct EDSelectID_Context *sel_id_ctx = ED_view3d_select_id_context_create(
-          vc, bases, bases_len, select_mode);
+      DRW_draw_select_id(vc->depsgraph, vc->ar, vc->v3d, bases, bases_len, select_mode);
 
       index = ED_select_buffer_sample_point(vc->mval);
 
       if (index) {
-        efa = (BMFace *)EDBM_select_id_bm_elem_get(sel_id_ctx, bases, index, &base_index);
+        efa = (BMFace *)edbm_select_id_bm_elem_get(bases, index, &base_index);
       }
       else {
         efa = NULL;
       }
 
-      ED_view3d_select_id_context_destroy(sel_id_ctx);
-
       FAKE_SELECT_MODE_END(vc, fake_select_mode);
     }