Re: LuaJIT FFI only bindings for glfw, OpenCL, OpenGL

[Mike Pall <mikelu-1101@...>]

David Given wrote:
> GL_APICALL void GL_APIENTRY glExtGetShadersQCOM (GLuint *shaders, GLint
> maxShaders, GLint *numShaders);
> 
> The GL_APICALL and GP_APIENTRY macros can be defined by the platform to
> provide platform-specific tweaks to the ABI. Normally GL_APICALL is
> defined to 'extern' or '__declspec(dllimport)' and GL_APIENTRY to a
> compiler-specific calling convention specifier like '__stdcall' or
> '__ccall'. Which of course means that the ABI can vary drastically
> depending on how your OpenGL library has been built, even on a single
> platform, which means that maintaining an FFI-compatible repository of
> function prototypes isn't adequate.

Neither should be a problem for the LuaJIT FFI. The import stubs
are not needed and __stdcall is automatically detected. So just
omit any calling convention in the declaration and the FFI will
figure it out for you.

--Mike