Clay Engine: Started Armature drawing

This should give the overall direction to whom wants to finish it.

- Renamed EDIT mode engine to EDIT_MESH mode engine
- Introduce EDIT_ARMATURE mode engine
- Started to port legacy drawarmature.c to draw_armature.c

1 files changed, 114 insertions, 0 deletions

diff --git a/source/blender/draw/modes/edit_armature_mode.c b/source/blender/draw/modes/edit_armature_mode.c
new file mode 100644
index 00000000000..016c392e515
--- /dev/null
+++ b/source/blender/draw/modes/edit_armature_mode.c
@@ -0,0 +1,114 @@
+/*
+ * Copyright 2016, Blender Foundation.
+ *
+ * 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.
+ *
+ * Contributor(s): Blender Institute
+ *
+ */
+
+/** \file blender/draw/modes/edit_armature_mode.c
+ *  \ingroup draw
+ */
+
+#include "DRW_engine.h"
+#include "DRW_render.h"
+
+#include "DNA_armature_types.h"
+
+#include "draw_mode_pass.h"
+
+#include "edit_armature_mode.h"
+
+/* keep it under MAX_PASSES */
+typedef struct EDIT_ARMATURE_PassList{
+	struct DRWPass *non_meshes_pass;
+	struct DRWPass *ob_center_pass;
+	struct DRWPass *wire_outline_pass;
+	struct DRWPass *bone_solid_pass;
+	struct DRWPass *bone_wire_pass;
+} EDIT_ARMATURE_PassList;
+
+void EDIT_ARMATURE_cache_init(void)
+{
+	EDIT_ARMATURE_PassList *psl = DRW_mode_pass_list_get();
+	static struct GPUShader *depth_sh;
+
+	if (!depth_sh) {
+		depth_sh = DRW_shader_create_3D_depth_only();
+	}
+
+	DRW_mode_passes_setup(NULL,
+	                      NULL,
+	                      &psl->wire_outline_pass,
+	                      &psl->non_meshes_pass,
+	                      &psl->ob_center_pass,
+	                      &psl->bone_solid_pass,
+	                      &psl->bone_wire_pass);
+}
+
+void EDIT_ARMATURE_cache_populate(Object *ob)
+{
+	bArmature *arm = ob->data;
+
+	switch (ob->type) {
+		case OB_ARMATURE:
+			/* detect Edit Armature mode */
+			if (arm->edbo)
+				DRW_shgroup_armature_edit(ob);
+			else
+				DRW_shgroup_armature_object(ob);
+			break;
+		case OB_MESH:
+			break;
+		case OB_LAMP:
+			DRW_shgroup_lamp(ob);
+			break;
+		case OB_CAMERA:
+		case OB_EMPTY:
+			DRW_shgroup_empty(ob);
+			break;
+		case OB_SPEAKER:
+			DRW_shgroup_speaker(ob);
+			break;
+		default:
+			break;
+	}
+
+	DRW_shgroup_object_center(ob);
+	DRW_shgroup_relationship_lines(ob);
+}
+
+void EDIT_ARMATURE_cache_finish(void)
+{
+	/* Do nothing */
+}
+
+void EDIT_ARMATURE_draw(void)
+{
+	EDIT_ARMATURE_PassList *psl = DRW_mode_pass_list_get();
+
+	DRW_draw_pass(psl->bone_solid_pass);
+	DRW_draw_pass(psl->bone_wire_pass);
+	DRW_draw_pass(psl->wire_outline_pass);
+	DRW_draw_pass(psl->non_meshes_pass);
+	DRW_draw_pass(psl->ob_center_pass);
+}
+
+void EDIT_ARMATURE_collection_settings_create(CollectionEngineSettings *ces)
+{
+	BLI_assert(ces);
+	//BKE_collection_engine_property_add_int(ces, "show_occlude_wire", false);
+}