I am developing applications using Qt5.9 and OpenGL/GLSL (use QOpentGLWidget). My qt application needs to run on OpenGL 2.0, but my PC supports OpenGL 4.3. How do I check whether it works with OpenGL 2.0 (or an error)?
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Do you really mean desktop OpenGL 2.0, or OpenGL ES 2.0? The former seems somewhat unlikely. – Nicol Bolas May 01 '18 at 04:26
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I'd like to do the same thing in OpenGL 2.0 and 4.3. I do not want to create different logic for the opengl versions. I thought Qt5 would work with OpenGL 2.0, but is this a mistake? – Ryuhei Irie May 01 '18 at 08:18
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Qt5 runs OpenGL ***ES*** 2.0. That's why I asked what I did. – Nicol Bolas May 01 '18 at 13:21