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Bug 3513

Summary: SDL_GL_SwapWindow does not return error status
Product: SDL Reporter: Intellectual Kitty <IntellectualKitty>
Component: videoAssignee: Sam Lantinga <slouken>
Status: ASSIGNED --- QA Contact: Sam Lantinga <slouken>
Severity: trivial    
Priority: P2 CC: x414e54
Version: HG 2.1   
Hardware: x86   
OS: Other   

Description Intellectual Kitty 2016-12-09 06:21:33 UTC 
SDL_GL_SwapWindow may have errors but does not return error status.  Based on a survey of the code, it is possible to work around this by (1) checking the window's flags to see if it supports OpenGL and (2) checking that the window is current; this is actually what SDL_GL_SwapWindow does internally.  However, this isn't consistent with the SDL standard of returning 0 on success and -1 on failure, and it makes error checking a little more difficult.
Comment 1 Sam Lantinga 2016-12-09 09:48:09 UTC 
Fixed, thanks!
https://hg.libsdl.org/SDL/rev/23a825f341e6
Comment 2 Sam Lantinga 2016-12-11 20:09:52 UTC 
Actually, this changes the ABI, so I'm backing out this change for now.
Comment 3 Sam Lantinga 2016-12-11 20:11:39 UTC 
*** Bug 2936 has been marked as a duplicate of this bug. ***