I recently started using ModernGL, and today I would like to start working with texture arrays. I'm just stuck on how to pass the individual subtextures in Moderngl? In OpenGL I would call glTexSubImage3D
. However, in the ModernGL documentation, Context.texture_array
takes 3 arguments: size
, components
, and data
. I think data
is supposed to be all the images stacked? How would I go about this using PIL and possibly numpy?
Using a TextureArray in ModernGL
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You can read each image separately and append the images to a list. Finally convert the list to an
numpy.array
.In the following snippet
imageList
is a list of filenames andwidth
andheight
is the size of an individual image (the images must all be the same size):