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Starting with 3DF 23.00 and HPS 2018 (and following), “opengl” means “opengl2” and the driver “opengl1_deprecated” was introduced. The 3DF release notes (or HPS) provide additional information:
Important: OpenGL is not supported for screen rendering. The legacy fixed-function OpenGL driver is no longer supported as a high-performance screen driver. The driver name "opengl" will now use the "opengl2" shader driver. For offscreen rendering, applications can use the legacy fixed-function OpenGL driver using the driver name "opengl1_deprecated".
Starting with 3DF 25.00 and HPS 2020, “opengl2” requires OpenGL 3.2+ capability.
Troubleshooting
Have you tried using the 3DF Automatic Driver ‘3ddriver’ (or HPS Default3D)?
We strongly recommend that you utilize '3ddriver' for your onscreen viewports, rather than manually selecting a specific driver.
Finally, if you’re still having display problems, go through the troubleshooting steps for 3DF Generic vs 3D-API specific Problems (or HPS). This information will help us support you, if you need to submit a support portal issue.
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