From b5bc4fd8b470cfe4198206e75c713dd71a22ffaa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Konstantin=20K=C3=A4fer?= <mail@kkaefer.com>
Date: Tue, 24 Jan 2017 22:08:17 +0100
Subject: [macos] allow using the integrated GPU on dual-GPU machines

---
 platform/darwin/src/headless_display_cgl.cpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'platform/darwin/src/headless_display_cgl.cpp')

diff --git a/platform/darwin/src/headless_display_cgl.cpp b/platform/darwin/src/headless_display_cgl.cpp
index 90d187d3db..b38eb6b62c 100644
--- a/platform/darwin/src/headless_display_cgl.cpp
+++ b/platform/darwin/src/headless_display_cgl.cpp
@@ -20,6 +20,8 @@ HeadlessDisplay::Impl::Impl() {
     CGLPixelFormatAttribute attributes[] = {
         kCGLPFAOpenGLProfile,
         static_cast<CGLPixelFormatAttribute>(kCGLOGLPVersion_Legacy),
+        kCGLPFASupportsAutomaticGraphicsSwitching,
+        kCGLPFAAllowOfflineRenderers, // Allows using the integrated GPU
         static_cast<CGLPixelFormatAttribute>(0)
     };
 
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