1 files changed, 110 insertions, 0 deletions
diff --git a/source/blender/draw/engines/select/select_private.h b/source/blender/draw/engines/select/select_private.h
new file mode 100644
index 00000000000..2104f1485e7
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+++ b/source/blender/draw/engines/select/select_private.h
@@ -0,0 +1,110 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * Copyright 2019, Blender Foundation.
+ */
+
+/** \file
+ * \ingroup draw_engine
+ */
+
+#ifndef __SELECT_PRIVATE_H__
+#define __SELECT_PRIVATE_H__
+
+#include "DRW_render.h"
+
+/* GPUViewport.storage
+ * Is freed everytime the viewport engine changes */
+typedef struct SELECTID_StorageList {
+  struct SELECTID_PrivateData *g_data;
+} SELECTID_StorageList;
+
+typedef struct SELECTID_PassList {
+  struct DRWPass *select_id_face_pass;
+  struct DRWPass *select_id_edge_pass;
+  struct DRWPass *select_id_vert_pass;
+} SELECTID_PassList;
+
+typedef struct SELECTID_Data {
+  void *engine_type;
+  DRWViewportEmptyList *fbl;
+  DRWViewportEmptyList *txl;
+  SELECTID_PassList *psl;
+  SELECTID_StorageList *stl;
+} SELECTID_Data;
+
+typedef struct SELECTID_Shaders {
+  /* Depth Pre Pass */
+  struct GPUShader *select_id_flat;
+  struct GPUShader *select_id_uniform;
+} SELECTID_Shaders;
+
+typedef struct SELECTID_PrivateData {
+  DRWShadingGroup *shgrp_face_unif;
+  DRWShadingGroup *shgrp_face_flat;
+  DRWShadingGroup *shgrp_edge;
+  DRWShadingGroup *shgrp_vert;
+
+  DRWView *view_faces;
+  DRWView *view_edges;
+  DRWView *view_verts;
+} SELECTID_PrivateData; /* Transient data */
+
+struct BaseOffset {
+  /* For convenience only. */
+  union {
+    uint offset;
+    uint face_start;
+  };
+  union {
+    uint face;
+    uint edge_start;
+  };
+  union {
+    uint edge;
+    uint vert_start;
+  };
+  uint vert;
+};
+
+struct SELECTID_Context {
+  struct GPUFrameBuffer *framebuffer_select_id;
+  struct GPUTexture *texture_u32;
+
+  struct BaseOffset *index_offsets;
+  uint objects_len;
+  uint last_object_drawn;
+  /** Total number of items `base_array_index_offsets[bases_len - 1].vert`. */
+  uint last_index_drawn;
+
+  short select_mode;
+};
+
+/* select_engine.c */
+struct SELECTID_Context *select_context_get(void);
+
+/* select_draw_utils.c */
+void draw_select_framebuffer_select_id_setup(struct SELECTID_Context *r_select_ctx);
+short select_id_get_object_select_mode(Scene *scene, Object *ob);
+void select_id_draw_object(void *vedata,
+                           View3D *v3d,
+                           Object *ob,
+                           short select_mode,
+                           uint initial_offset,
+                           uint *r_vert_offset,
+                           uint *r_edge_offset,
+                           uint *r_face_offset);
+
+#endif /* __SELECT_PRIVATE_H__ */