From 6b675d1fbb130480725ae5ed3f3bdd995e9b336a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stefan=20Br=C3=BCns?= <stefan.bruens@rwth-aachen.de>
Date: Fri, 17 Jul 2020 05:00:04 +0200
Subject: [PATCH 1/2] GL_POINT_SPRITE is only available for Compatibility
 Profiles and GLES 1.0

---
 Rendering/ContextOpenGL2/vtkOpenGLContextDevice2D.cxx | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Rendering/ContextOpenGL2/vtkOpenGLContextDevice2D.cxx b/Rendering/ContextOpenGL2/vtkOpenGLContextDevice2D.cxx
index 6cd90e0306..7b834fa6e5 100644
--- a/Rendering/ContextOpenGL2/vtkOpenGLContextDevice2D.cxx
+++ b/Rendering/ContextOpenGL2/vtkOpenGLContextDevice2D.cxx
@@ -1126,22 +1126,28 @@ void vtkOpenGLContextDevice2D::DrawPointSprites(
     }
 
     // We can actually use point sprites here
+#ifdef GL_POINT_SPRITE
     if (this->RenderWindow->IsPointSpriteBugPresent())
     {
       glEnable(GL_POINT_SPRITE);
       glTexEnvi(GL_POINT_SPRITE, GL_COORD_REPLACE, GL_TRUE);
     }
+#endif
+#ifdef GL_POINT_SPRITE_COORD_ORIGIN
     glPointParameteri(GL_POINT_SPRITE_COORD_ORIGIN, GL_LOWER_LEFT);
+#endif
 
     glDrawArrays(GL_POINTS, 0, n);
 
     // free everything
     cbo->ReleaseGraphicsResources(this->RenderWindow);
+#ifdef GL_POINT_SPRITE
     if (this->RenderWindow->IsPointSpriteBugPresent())
     {
       glTexEnvi(GL_POINT_SPRITE, GL_COORD_REPLACE, GL_FALSE);
       glDisable(GL_POINT_SPRITE);
     }
+#endif
 
     if (sprite)
     {
-- 
2.27.0