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Bug 1958 - Cocoa SwapWindow doesn't swap the specified window
Summary: Cocoa SwapWindow doesn't swap the specified window
Status: RESOLVED FIXED
Alias: None
Product: SDL
Classification: Unclassified
Component: video (show other bugs)
Version: HG 2.0
Hardware: All Mac OS X (All)
: P2 normal
Assignee: Sam Lantinga
QA Contact: Sam Lantinga
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2013-07-11 12:41 UTC by Ryan C. Gordon
Modified: 2013-07-12 00:51 UTC (History)
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Description Ryan C. Gordon 2013-07-11 12:41:26 UTC 
We have this in Cocoa_GL_SwapWindow()...

    /* FIXME: Do we need to get the context for the window? */
    [[NSOpenGLContext currentContext] flushBuffer];

...which means if the current GL context is not the one in (window), we swap a different one than requested.

Right now, we don't store information about which context is assigned to which window, and the OS doesn't give you a way to retrieve it from an NSView. We would have to track this per-window during SDL_GL_MakeCurrent() (and SDL_GL_CreateContext) calls.

--ryan.
Comment 1 Sam Lantinga 2013-07-12 00:51:39 UTC 
Fixed!
http://hg.libsdl.org/SDL/rev/c50e165abfdf