What am I doing Wrong (OpenGL & SDL)

[Mike Parker via Digitalmars-d-learn]

On 7/4/2014 6:39 PM, Sean Campbell wrote:
> On Friday, 4 July 2014 at 08:02:59 UTC, Misu wrote:
>> Can you try to add DerelictGL3.reload(); after SDL_GL_CreateContext ?
>
> yes this solved the problem. however why? is it a problem with the SDL
> binding?

OpenGL on Windows requires a context be created before attempting to 
load any extensions or any later versions of OpenGL beyond 1.1. Although 
this is not an issue on other platforms, the Derelict binding makes it a 
requirement for consistency. DerelictGL3.load loads the DLL into memory 
along with the 1.0 & 1.1 function addresses. You can call that at any 
time, before or after creating a context. If you do not call 
DerelictGL3.reload, you will never load the extensions and 1.2+ 
functions. If you attempt to call it before creating a context, Derelict 
will throw an exception.

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