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Mac: allows apps to use OpenGL on a slower, integrated GPU.

This is often useful for SDL apps that aren't meant to be games: the
integrated GPU starts up faster, uses less power, and is often more than
fast enough.

Note that even with this change, the app will still default to the more
powerful, discrete GPU if one is available; an app that prefers the integrated
GPU will still need the NSSupportsAutomaticGraphicsSwitching key properly
set in its Info.plist and Mac OS X 10.7 or later.
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icculus committed Jan 5, 2016
1 parent 7678b1d commit 15bc7aea648958c173654046fa66f3cda94144a5
Showing with 2 additions and 0 deletions.
  1. +2 −0 src/video/cocoa/SDL_cocoaopengl.m
@@ -173,6 +173,8 @@ - (void)setWindow:(SDL_Window *)newWindow
return NULL;

attr[i++] = NSOpenGLPFAAllowOfflineRenderers;

/* specify a profile if we're on Lion (10.7) or later. */
if (lion_or_later) {
NSOpenGLPixelFormatAttribute profile = NSOpenGLProfileVersionLegacy;

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