[Bf-extensions-cvs] [11094515] blender-v2.90-release: Fix T80102: MeasureIt alpha missing

[Philipp Oeser]

Commit: 1109451590954116ba66c8c4efbb1dd85cfe6ecb
Author: Philipp Oeser
Date:   Tue Aug 25 14:22:21 2020 +0200
Branches: blender-v2.90-release
https://developer.blender.org/rBA1109451590954116ba66c8c4efbb1dd85cfe6ecb

Fix T80102: MeasureIt alpha missing

bgl.glClearColor needs to be called prior bgl.glClear in 2.90.

Maniphest Tasks: T80102

Differential Revision: https://developer.blender.org/D8703

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M	measureit/measureit_render.py

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

diff --git a/measureit/measureit_render.py b/measureit/measureit_render.py
index dd7826a4..fb33289c 100644
--- a/measureit/measureit_render.py
+++ b/measureit/measureit_render.py
@@ -72,6 +72,7 @@ def render_main(self, context, animation=False):
         [0, 0, 0, 1]])
 
     with offscreen.bind():
+        bgl.glClearColor(0.0, 0.0, 0.0, 0.0)
         bgl.glClear(bgl.GL_COLOR_BUFFER_BIT)
         gpu.matrix.reset()
         gpu.matrix.load_matrix(view_matrix)