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/platformsupport/eglconvenience/qeglplatformcontext_p.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/platformsupport/eglconvenience/qeglplatformcontext_p.h')

diff --git a/src/platformsupport/eglconvenience/qeglplatformcontext_p.h b/src/platformsupport/eglconvenience/qeglplatformcontext_p.h
index 952f5a856a..3d81a1c56e 100644
--- a/src/platformsupport/eglconvenience/qeglplatformcontext_p.h
+++ b/src/platformsupport/eglconvenience/qeglplatformcontext_p.h
@@ -80,6 +80,9 @@ private:
     EGLenum m_eglApi;
     EGLConfig m_eglConfig;
     QSurfaceFormat m_format;
+    int m_swapInterval;
+    bool m_swapIntervalEnvChecked;
+    int m_swapIntervalFromEnv;
 };
 
 #endif //QEGLPLATFORMCONTEXT_H
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