Tasks:Gfx Cache

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Overview

The Graphics cache makes sure that images are only loaded once, even when used multiple times in the game.

Dependencies

Graphics

Requirements

• Count references to keeps track of images in use
• Allow to configure maximum cache size
• Keep track of cache memory used
• Keep images cached, even if reference count reaches zero
• When cache size exceeded, delete least frequently used images first
• Empty cache to a certain threshold only, so that frequently used images remain cached
• Allow "manual" or maybe periodic purge of cache

References

Current cache implementation: gfx.cc see surface_cache(...) method