New answers tagged image
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In general terms you'll have the following bottlenecks for texture image loading (since you mention MacBooks I'm going to assume that you're using OpenGL):
Disk I/O
Decompression
Load to GL/hardware
Disk I/O can be solved by using faster hard disks or smaller image file sizes (this includes those that compress well) and from your question you appear to ...
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Create an ImageLibrary class responsible for loading images from disk, and supplying them to the front-end on demand.
Have the ImageLibrary manage background task(s) to load images from disk steadily (individually, so they can be retargeted if necessary as the front end demands specific images that have not been loaded yet).
I suspect the bottleneck is ...
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