VESA Video Modes: Difference between revisions

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m (Remove comment about VESA being obsolete as it is confusing beginners. VESA is a perfectly viable interface for most systems as CSM (which is still shipped with most UEFI-capable PCs) supports it fine. Only note that UEFI uses GOP instead.)
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Under legacy BIOS you can access the video card functions using the standardized VESA/VBE functions. On modern systems with UEFI (in lack of BIOS), you'll have to use [[GOP]] (Graphics Output Protocol) to access the video card in a standardized way. As of 2020 VESA is considered obsolete.
Under legacy BIOS (and CSM-capable UEFI systems in legacy BIOS mode) you can access the video card functions using the standardized VESA/VBE functions.

In UEFI mode, instead, one uses the [[GOP]] (Graphics Output Protocol) to access the video card in a standardized way.

== VESA Functions ==
== VESA Functions ==
You'll want to look in the VESA VBE docs for these functions:
You'll want to look in the VESA VBE docs for these functions:
Retrieved from "https://osdev.wiki/wiki/VESA_Video_Modes"