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Graphics stack: Difference between revisions
→Historical Development
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With the introduction of 3-D layered UIs such as Aqua and Aero, the issue of combining things became much more complex, leading to the need for a separate compositor layer. Most major window managers today have a 3-D compositor, and for a time it was almost impossible to get good performance from one without a dedicated GPU, meaning software rendering was out of the question even for the basic GUI, leading to issues that previously were mostly seen in gaming.
However, because this still has a performance cost, there are several Linux window managers which only use 2D compositing, a number of which (e.g., Notion, Awesome) are (or initially were) specifically tiling systems designed to avoid applying significant amounts of compositing. Many of these are also designed to be used keyboard-only, for those who prefer to avoid using the mouse, which is a separate issue but often seen as going hand in hand with the performance matters.
=== Interoperation Layers ===
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