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Bug 2407

Summary: Support for OpenGL ES 3 contexts on iOS
Product: SDL Reporter: Alex Szpakowski <amaranth72>
Component: videoAssignee: Sam Lantinga <slouken>
Status: RESOLVED FIXED QA Contact: Sam Lantinga <slouken>
Severity: enhancement    
Priority: P2 CC: gabomdq
Version: HG 2.1   
Hardware: iPhone/iPod touch   
OS: iOS (All)   
Attachments: Patch to add support for OpenGL ES 3 on iOS

Description Alex Szpakowski 2014-02-19 21:59:15 UTC 
Created attachment 1564 [details]
Patch to add support for OpenGL ES 3 on iOS

Currently the UIKit/EAGL backend for SDL's OpenGL context creation API doesn't support OpenGL ES 3, despite iOS 7+ being capable (on devices with the necessary hardware.)

I have attached a patch to add support. It's also slightly more future-proof, so eventual OpenGL ES 4+ capability on iOS should hopefully work without requiring changes to SDL's UIKit/EAGL backend.
Comment 1 Gabriel Jacobo 2014-02-20 14:04:06 UTC 
Looks good to me. As a suggestion, it may be better to move the initialization entirely to the switch statement and error out in the "default" case (in which case the "case 3" should be entirely guarded by #ifdef __IPHONE_7_0)
Comment 2 Sam Lantinga 2014-02-22 23:23:49 UTC 
Fixed, thanks!
https://hg.libsdl.org/SDL/rev/ffece8ab18a6