Details
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Bug
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Resolution: Cannot Reproduce
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P3: Somewhat important
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None
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5.10.1, 5.11.3, 5.12.0
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None
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Ubuntu 16.04, fedora, VMWare Workstation 12 player
Description
The rendered triangle is flipped about the y axis when render mode is wireframe and face culling is enabled.
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE) glEnable(GL_CULL_FACE);
It only occurred when rendering with a QOpenGLWidget but it did not occur with the QOpenGLWindow. The render is correct when GL_CULL_FACE is disabled. I have attached demo code when you run it you should see s1.png and when you switch to wireframe (view > show wireframe) you should see s2.png