[Bf-blender-cvs] [38bfa8902b2] blender-v2.93-release: Fix T87771: Immediate Crash on "Edit Source" in Compositor

[Philipp Oeser]

Commit: 38bfa8902b241d67deb93eda85a0f0a143d73a6e
Author: Philipp Oeser
Date:   Mon Apr 26 12:02:25 2021 +0200
Branches: blender-v2.93-release
https://developer.blender.org/rB38bfa8902b241d67deb93eda85a0f0a143d73a6e

Fix T87771: Immediate Crash on "Edit Source" in Compositor

Caused by {rB278011e44d43}.

Framebuffer management since above commit now seems to require region
bind/unbind in for the operator to be able to redraw correctly without
using the same framebuffer in multiple contexts.

Maniphest Tasks: T87771

Differential Revision: https://developer.blender.org/D11084

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

M	source/blender/editors/interface/interface_ops.c

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

diff --git a/source/blender/editors/interface/interface_ops.c b/source/blender/editors/interface/interface_ops.c
index 62be13c11c9..1fb7a931c08 100644
--- a/source/blender/editors/interface/interface_ops.c
+++ b/source/blender/editors/interface/interface_ops.c
@@ -1380,7 +1380,9 @@ static int editsource_exec(bContext *C, wmOperator *op)
 
     /* redraw and get active button python info */
     ED_region_do_layout(C, region);
+    WM_draw_region_viewport_bind(region);
     ED_region_do_draw(C, region);
+    WM_draw_region_viewport_unbind(region);
     region->do_draw = false;
 
     for (BLI_ghashIterator_init(&ghi, ui_editsource_info->hash);