[fpc-pascal] GLPT v0.1.1 released

[Anthony Walter]

Regarding the RTL OpenGL unit working, that is because it assumes the CORE
profile is the only OpenGL library. If you request an ES profile, those
libraries are no longer valid.

In SDL:

SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_ES);

Which may link to any of:

libGLESv2.so
libGLESv1_CM.so
libGL.so

It's up to the toolkit to choose the correct OpenGL library based on the
context type requested. The is what SDL_GL_GetProcAddress is abstracting.
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