From 72757afe1b63dfabe70be6a83baa8b46aab6d99c Mon Sep 17 00:00:00 2001
From: Maxime Graulich <maxime.graulich@gmail.com>
Date: Thu, 20 Mar 2014 10:36:11 +0000
Subject: [PATCH] iOS: fix openGL on retina display
---
contrib/mobile/iOS/Onelab/EAGLView.mm | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/contrib/mobile/iOS/Onelab/EAGLView.mm b/contrib/mobile/iOS/Onelab/EAGLView.mm
index 62b72b02bc..31f2ecd152 100644
--- a/contrib/mobile/iOS/Onelab/EAGLView.mm
+++ b/contrib/mobile/iOS/Onelab/EAGLView.mm
@@ -28,9 +28,24 @@
//The GL view is stored in the nib file. When it's unarchived it's sent -initWithCoder:
- (id)initWithCoder:(NSCoder*)coder
{
+ int w = 320;
+ int h = 480;
+
+ float ver = [[[UIDevice currentDevice] systemVersion] floatValue];
+ // You can't detect screen resolutions in pre 3.2 devices, but they are all 320x480
+ if (ver >= 3.2f)
+ {
+ UIScreen* mainscr = [UIScreen mainScreen];
+ w = mainscr.currentMode.size.width;
+ h = mainscr.currentMode.size.height;
+ }
if ((self = [super initWithCoder:coder])) {
// Get the layer
CAEAGLLayer *eaglLayer = (CAEAGLLayer *)self.layer;
+ if ((w == 640 && h == 960) || (h == 1536 && w == 2048)) { // Retina display detected
+ self.contentScaleFactor = 2.0;
+ eaglLayer.contentsScale=2;
+ }
eaglLayer.opaque = YES;
eaglLayer.drawableProperties =
[NSDictionary dictionaryWithObjectsAndKeys:[NSNumber numberWithBool:NO],
--
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