Hello,

today i implemented OpenGL instancing, and it crashed when calling glVertexAttribDivisor (OpenGL 3.3).

So i checked DerelictGL3.reload() and it returned GLVersion.GL32, not GL33.

My graphic card (NVidia GT 240) should support GL33 and an OpenGL Extensions Viewer tool confirmed, that it supports OpenGL 3.3 fully.

Did i overlook something?

On Sunday, 29 March 2015 at 01:27:01 UTC, Koi wrote:
> Hello,
>
> today i implemented OpenGL instancing, and it crashed when calling glVertexAttribDivisor (OpenGL 3.3).
>
> So i checked DerelictGL3.reload() and it returned GLVersion.GL32, not GL33.
>
> My graphic card (NVidia GT 240) should support GL33 and an OpenGL Extensions Viewer tool confirmed, that it supports OpenGL 3.3 fully.
>
> Did i overlook something?

How do you create your context? OpenGL version needs to be specified when creating it, for example when using GLFW:

glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);

auto windowHandle = glfwCreateWindow(...);

On 3/29/2015 10:26 AM, Koi wrote:
> Hello,
>
> today i implemented OpenGL instancing, and it crashed when calling
> glVertexAttribDivisor (OpenGL 3.3).
>
> So i checked DerelictGL3.reload() and it returned GLVersion.GL32, not GL33.
>
> My graphic card (NVidia GT 240) should support GL33 and an OpenGL
> Extensions Viewer tool confirmed, that it supports OpenGL 3.3 fully.
>
> Did i overlook something?

It isn't reporting what your driver supports, but the version of the context that is actually loaded. What do you get when you call glGetString(GL_VERSION)?

On Sunday, 29 March 2015 at 14:34:39 UTC, Rene Zwanenburg wrote:
> On Sunday, 29 March 2015 at 01:27:01 UTC, Koi wrote:
> How do you create your context? OpenGL version needs to be specified when creating it, for example when using GLFW:
>
> glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
> glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
>
> auto windowHandle = glfwCreateWindow(...);

thanks Rene and Mike. Didn't remember that.

i'm not sure what's more weighting, being glad that it's just a small thing or being annoyed with myself. Grrrrr.

thanks again!