Derelict, SDL, and OpenGL3: Triangle Tribulations

[BBasile via Digitalmars-d-learn]

On Wednesday, 12 August 2015 at 05:46:27 UTC, Mike Parker wrote:
> On Wednesday, 12 August 2015 at 05:34:22 UTC, BBasile wrote:
>> [...]
>
>
> It seems to me that your driver is doing things it isn't 
> actually supposed to do. This code is binding a vertex buffer 
> object with a function which is supposed to bind a vertex array 
> object. The only reason the vbo is bound at all is because of 
> the call to glBindBuffer in the misnamed initVAO -- a function 
> which never even initializes a vao. The spec actually requires 
> a vao to be created and a shader program to be bound, so I 
> would expect a conforming driver to show nothing.
>
> I expect a couple of calls to glError will not come up empty.

Right, the triangle is well drawn but glGetError returns 1282. 
Maybe the OP has a different OGL implementation. At least NVidia 
driver renders a triangle for this code.