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Bug 3770

Summary: XStoreColor returns zero on failure
Product: SDL Reporter: Thorsten Otto <halgara>
Component: videoAssignee: Sam Lantinga <slouken>
Status: RESOLVED FIXED QA Contact: Sam Lantinga <slouken>
Severity: normal    
Priority: P2    
Version: 1.2.15   
Hardware: x86_64   
OS: Linux   
Attachments: short example & suggested patch

Description Thorsten Otto 2017-08-22 23:24:04 UTC 
Created attachment 2878 [details]
short example & suggested patch

The fix done in http://hg.libsdl.org/SDL/rev/3665bc284271 is wrong. The current code returns -1 if the calls *succeeds*, and does not call XSync(). The outcome of this is that the whole screen turns black when trying to open a 640x480x8 window on a true-color display (short example attached). I suggest to add the attached patch to fix this (yes i know that the 1.2 branch is obsolete, but the faulty patch causes really bad behaviour for a very common scenario).
Comment 1 Sam Lantinga 2017-08-28 02:03:40 UTC 
Fixed, thanks!
https://hg.libsdl.org/SDL/rev/464908ca2d22