VertexArrayObject fix for gl 3.3#118
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Signed-off-by: operel <operel@nvidia.com> Extra robustness to missing gl / cugl features Signed-off-by: operel <operel@nvidia.com>
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WispApp uses glumpy with a
glfw_imguibackend, which defaults to OpenGL 2.1 context. However, imgui expects an OpenGL 3.3+ context, which causes errors on some envs.glumpy.app.configuration.get_default(), which effectively takes the correct GL version we put in theWispStateconfig (the previous MR usedapp.configuration.Configuration(), this is not enough).WispAppnow ensures there is a default VAO in place.See also: glumpy/glumpy#310
In addition, the following changes add some extra robustness:
3. World grid gizmo try-except extended to catch more errors in case
GL_TEXTURE_MAX_ANISOTROPYis missing from the feature set.4.
_register_cugl_shared_texturewill now fallback toblitdevice2device=False(WSL mode) if cugl registration failed.Signed-off-by: operel operel@nvidia.com