[Bf-blender-cvs] [1589002793e] temp-link-portals: fix

[Jacques Lucke]

Commit: 1589002793eb516b91aa072095ccdde3e5d5197d
Author: Jacques Lucke
Date:   Mon Nov 8 18:05:11 2021 +0100
Branches: temp-link-portals
https://developer.blender.org/rB1589002793eb516b91aa072095ccdde3e5d5197d

fix

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

M	source/blender/editors/space_node/node_draw.cc

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

diff --git a/source/blender/editors/space_node/node_draw.cc b/source/blender/editors/space_node/node_draw.cc
index 0f6569e3347..29eeec02dc1 100644
--- a/source/blender/editors/space_node/node_draw.cc
+++ b/source/blender/editors/space_node/node_draw.cc
@@ -2167,6 +2167,10 @@ static void draw_portal_link_indicators(ARegion *region, bNodeTree *ntree)
     }
   }
 
+  if (portal_links.is_empty()) {
+    return;
+  }
+
   uint pos = GPU_vertformat_attr_add(immVertexFormat(), "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
   immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
   immUniformColor3f(0.6f, 0.6f, 0.6f);