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Complete "Extended" Mode Modern OpenGL Example (SDK 0.4.3)
Hello, Thanks to all of the help from the various posters (jherico and nuclear especially) here is a complete "Extended" mode example of using the latest version of the SDK (0.4.3) with Modern Open...
glGetError() should totally be called in a loop.
https://www.opengl.org/sdk/docs/man/html/glGetError.xhtml
The relevant part:
To allow for distributed implementations, there may be several error flags. If any single error flag has recorded an error, the value of that flag is returned and that flag is reset to GL_NO_ERROR when glGetError is called. If more than one flag has recorded an error, glGetError returns and clears an arbitrary error flag value. Thus, glGetError should always be called in a loop, until it returns GL_NO_ERROR, if all error flags are to be reset.
https://www.opengl.org/sdk/docs/man/html/glGetError.xhtml
The relevant part:
To allow for distributed implementations, there may be several error flags. If any single error flag has recorded an error, the value of that flag is returned and that flag is reset to GL_NO_ERROR when glGetError is called. If more than one flag has recorded an error, glGetError returns and clears an arbitrary error flag value. Thus, glGetError should always be called in a loop, until it returns GL_NO_ERROR, if all error flags are to be reset.