From af1dbfd2239c7834187f3a702fb2029dc78d4526 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Morten=20Johan=20S=C3=B8rvig?= <morten.sorvig@digia.com>
Date: Thu, 28 Nov 2013 23:45:36 +0100
Subject: Make OpenGL examples work on retina displays.

glViewport expects device pixels, but the various
geometry accessors returns values in device-independent
pixels.

Change-Id: I8004692de82251e4f1f25bf8f2698895f222ede3
Reviewed-by: Gunnar Sletta <gunnar.sletta@digia.com>
---
 examples/opengl/hellowindow/hellowindow.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'examples/opengl/hellowindow')

diff --git a/examples/opengl/hellowindow/hellowindow.cpp b/examples/opengl/hellowindow/hellowindow.cpp
index b5ffbd63a2..2864883f5e 100644
--- a/examples/opengl/hellowindow/hellowindow.cpp
+++ b/examples/opengl/hellowindow/hellowindow.cpp
@@ -142,7 +142,7 @@ void Renderer::render()
         m_initialized = true;
     }
 
-    glViewport(0, 0, viewSize.width(), viewSize.height());
+    glViewport(0, 0, viewSize.width() * surface->devicePixelRatio(), viewSize.height() * surface->devicePixelRatio());
 
     glClearColor(0.1f, 0.1f, 0.2f, 1.0f);
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-- 
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