[Bf-blender-cvs] [58e20b432a2] master: Fix memory leak in recent panel drag widget cache

[Campbell Barton]

Commit: 58e20b432a2bd7fbff7ebb7aa1f49a6662dc6e7c
Author: Campbell Barton
Date:   Tue Apr 7 21:30:18 2020 +1000
Branches: master
https://developer.blender.org/rB58e20b432a2bd7fbff7ebb7aa1f49a6662dc6e7c

Fix memory leak in recent panel drag widget cache

Memory leak from 60d873bd22121.

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

M	source/blender/gpu/intern/gpu_batch_presets.c

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

diff --git a/source/blender/gpu/intern/gpu_batch_presets.c b/source/blender/gpu/intern/gpu_batch_presets.c
index 34bd921992c..9a282e95664 100644
--- a/source/blender/gpu/intern/gpu_batch_presets.c
+++ b/source/blender/gpu/intern/gpu_batch_presets.c
@@ -309,6 +309,7 @@ GPUBatch *GPU_batch_preset_panel_drag_widget(const float pixelsize,
                                   !equals_v4v4(g_presets_2d.panel_drag_widget_col_dark, col_dark);
 
   if (g_presets_2d.batch.panel_drag_widget && parameters_changed) {
+    GPU_batch_discard(g_presets_2d.batch.panel_drag_widget);
     gpu_batch_presets_unregister(g_presets_2d.batch.panel_drag_widget);
     GPU_batch_discard(g_presets_2d.batch.panel_drag_widget);
     g_presets_2d.batch.panel_drag_widget = NULL;