[Bf-blender-cvs] [f06272ab6ac] blender2.8: DRW: Perf: Early out empty passes.

[Clément Foucault]

Commit: f06272ab6ac1c8a593545d91223fa7a3ccdcfbfd
Author: Clément Foucault
Date:   Tue Apr 17 18:26:05 2018 +0200
Branches: blender2.8
https://developer.blender.org/rBf06272ab6ac1c8a593545d91223fa7a3ccdcfbfd

DRW: Perf: Early out empty passes.

===================================================================

M	source/blender/draw/intern/draw_manager_exec.c

===================================================================

diff --git a/source/blender/draw/intern/draw_manager_exec.c b/source/blender/draw/intern/draw_manager_exec.c
index 3716c9d9acf..3208e4e5017 100644
--- a/source/blender/draw/intern/draw_manager_exec.c
+++ b/source/blender/draw/intern/draw_manager_exec.c
@@ -1086,6 +1086,9 @@ static void drw_update_view(void)
 
 static void drw_draw_pass_ex(DRWPass *pass, DRWShadingGroup *start_group, DRWShadingGroup *end_group)
 {
+	if (start_group == NULL)
+		return;
+
 	DST.shader = NULL;
 
 	BLI_assert(DST.buffer_finish_called && "DRW_render_instance_buffer_finish had not been called before drawing");