This article lists some effective fixes for the “This program requires a graphics card and video drivers which support OpenGL 2.1 or OpenGL ES 2” error on Windows ...
For OpenGL 2 capable hardware, these new extensions are provided: * ARB_texture_swizzle (also in core OpenGL 3.3) * ARB_sampler_objects (also in core OpenGL 3.3) * ARB_occlusion_query2 (also in core ...
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