[solved] OpenGL glext does not work on Windows
lazarus / 70-OpenGL

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Ocye · 2015-01-19 16:06

I want to use mipmapping per glGenerateMipmap(GL_TEXTURE_2D); In order
to use this extension I have to load it first via
FCanUseMipmaps:=Load_GL_VERSION_3_0; defined in the unit glext. This
works like a charm on Linux but not on Windows. Neither the 3.0
extensions nor the 1.2 can be loaded. So I guess there is something
completely wrong.

Can anyone check confirm the issue, or help me to get on track?

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Ocye · 2015-01-20 10:29

Seems to be related where I call the function. On Linux it was
possible to call it from the unit with my textures list, on Windows it
works now after I moved the function to the initialization section of
the OpenGL context.

Edit: Init procedure contains of MakeCurrent() which might be relevant
for Windows.