![]() ![]() ![]() The correct behavior is to check for the presence of the extension if you want to use the extension API, and check the GL version if you want to use the core API. One of the possible mistakes related to this is to check for the presence of an extension, but instead using the corresponding core functions. Common Mistakes when using deprecated functionality.Mistakes related to measuring Performance.Unexpected Results you can get when using OpenGL.There are also other articles explaining common mistakes: 31 glGetFloatv glGetBooleanv glGetDoublev glGetIntegerv.30 Disable depth test and allow depth writes.22 Selection and Picking and Feedback Mode.9 Checking For Errors When You Compile Your Shader.
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