File 0002-Guard-GL_LINE_SMOOTH-for-GLES.patch of Package vtk

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File 0002-Guard-GL_LINE_SMOOTH-for-GLES.patch of Package vtk (Revision 8203bb2187750a71732e31c454d18b83)

Currently displaying revision 8203bb2187750a71732e31c454d18b83 , Show latest

From f03ed2c663c30baac698d5b76a8ba4ea63776ce2 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 05:05:55 +0200
Subject: [PATCH 2/2] Guard GL_LINE_SMOOTH for GLES

---
 Rendering/ContextOpenGL2/vtkOpenGLContextDevice2D.cxx | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Rendering/ContextOpenGL2/vtkOpenGLContextDevice2D.cxx b/Rendering/ContextOpenGL2/vtkOpenGLContextDevice2D.cxx
index 7b834fa6e5..cc376934dd 100644
--- a/Rendering/ContextOpenGL2/vtkOpenGLContextDevice2D.cxx
+++ b/Rendering/ContextOpenGL2/vtkOpenGLContextDevice2D.cxx
@@ -332,10 +332,12 @@ void vtkOpenGLContextDevice2D::Begin(vtkViewport* viewport)
   this->RenderWindow->GetShaderCache()->ReleaseCurrentShader();
 
   // Enable simple line smoothing if multisampling is on.
+#ifdef GL_LINE_SMOOTH
   if (this->Renderer->GetRenderWindow()->GetMultiSamples())
   {
     glEnable(GL_LINE_SMOOTH);
   }
+#endif
 
   this->InRender = true;
   vtkOpenGLCheckErrorMacro("failed after Begin");
@@ -359,10 +361,12 @@ void vtkOpenGLContextDevice2D::End()
   this->Storage->RestoreGLState(ostate);
 
   // Disable simple line smoothing if multisampling is on.
+#ifdef GL_LINE_SMOOTH
   if (this->Renderer->GetRenderWindow()->GetMultiSamples())
   {
     glDisable(GL_LINE_SMOOTH);
   }
+#endif
 
   this->PolyDataImpl->HandleEndFrame();
 
-- 
2.27.0

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File 0002-Guard-GL_LINE_SMOOTH-for-GLES.patch of Package vtk (Revision 8203bb2187750a71732e31c454d18b83)

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