From 5dd94b75e37930e9941aaea06497d7e41c9c921f Mon Sep 17 00:00:00 2001
From: Laszlo Agocs <laszlo.agocs@digia.com>
Date: Wed, 6 Nov 2013 16:00:23 +0100
Subject: Add swapInterval to QSurfaceFormat

Implement swap interval support for EGL, GLX and WGL.

The environment variable QT_QPA_EGLFS_SWAPINTERVAL is renamed to
QT_QPA_EGL_SWAPINTERVAL and can be used to override the applications'
setting of the swap interval.

Task-number: QTBUG-31939

Change-Id: I644325d5d3306b7604bffd7efccda3c00ed37d36
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Reviewed-by: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
Reviewed-by: Gunnar Sletta <gunnar.sletta@digia.com>
---
 src/gui/kernel/qsurfaceformat.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/gui/kernel/qsurfaceformat.h')

diff --git a/src/gui/kernel/qsurfaceformat.h b/src/gui/kernel/qsurfaceformat.h
index d182aa9f13..453beac5cd 100644
--- a/src/gui/kernel/qsurfaceformat.h
+++ b/src/gui/kernel/qsurfaceformat.h
@@ -135,6 +135,9 @@ public:
     bool testOption(FormatOption option) const;
     QSurfaceFormat::FormatOptions options() const;
 
+    int swapInterval() const;
+    void setSwapInterval(int interval);
+
 private:
     QSurfaceFormatPrivate *d;
 
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