From d585f8c7073a55915c3de4a76e89c769b18f42d7 Mon Sep 17 00:00:00 2001
From: ZappoMan <bradh@konamoxt.com>
Date: Fri, 19 Dec 2014 12:10:40 -0800
Subject: [PATCH] replace gluOrtho2D() with glOrtho()

---
 interface/src/devices/OculusManager.cpp | 2 +-
 interface/src/ui/ApplicationOverlay.cpp | 4 ++--
 interface/src/ui/RearMirrorTools.cpp    | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/interface/src/devices/OculusManager.cpp b/interface/src/devices/OculusManager.cpp
index 1854c9539d..76a54eb9d8 100644
--- a/interface/src/devices/OculusManager.cpp
+++ b/interface/src/devices/OculusManager.cpp
@@ -582,7 +582,7 @@ void OculusManager::renderDistortionMesh(ovrPosef eyeRenderPose[ovrEye_Count]) {
 
     glLoadIdentity();
     GLCanvas::SharedPointer glCanvas = DependencyManager::get<GLCanvas>();
-    gluOrtho2D(0, glCanvas->getDeviceWidth(), 0, glCanvas->getDeviceHeight());
+    glOrtho(0, glCanvas->getDeviceWidth(), 0, glCanvas->getDeviceHeight(), -1.0f, 1.0f);
 
     glDisable(GL_DEPTH_TEST);
 
diff --git a/interface/src/ui/ApplicationOverlay.cpp b/interface/src/ui/ApplicationOverlay.cpp
index ab85da125c..0350726d9c 100644
--- a/interface/src/ui/ApplicationOverlay.cpp
+++ b/interface/src/ui/ApplicationOverlay.cpp
@@ -180,7 +180,7 @@ void ApplicationOverlay::renderOverlay(bool renderToTexture) {
     
     glPushMatrix(); {
         glLoadIdentity();
-        gluOrtho2D(0, glCanvas->width(), glCanvas->height(), 0);
+        glOrtho(0, glCanvas->width(), glCanvas->height(), 0, -1.0f, 1.0f);
         
         renderAudioMeter();
         
@@ -224,7 +224,7 @@ void ApplicationOverlay::displayOverlayTexture() {
     glMatrixMode(GL_PROJECTION);
     glPushMatrix(); {
         glLoadIdentity();
-        gluOrtho2D(0, glCanvas->getDeviceWidth(), glCanvas->getDeviceHeight(), 0);
+        glOrtho(0, glCanvas->getDeviceWidth(), glCanvas->getDeviceHeight(), 0, -1.0f, 1.0f);
         glDisable(GL_DEPTH_TEST);
         glDisable(GL_LIGHTING);
         glEnable(GL_BLEND);
diff --git a/interface/src/ui/RearMirrorTools.cpp b/interface/src/ui/RearMirrorTools.cpp
index fd3fc34adb..2287324656 100644
--- a/interface/src/ui/RearMirrorTools.cpp
+++ b/interface/src/ui/RearMirrorTools.cpp
@@ -128,7 +128,7 @@ void RearMirrorTools::displayIcon(QRect bounds, QRect iconBounds, GLuint texture
     glPushMatrix();
     glLoadIdentity();
     
-    gluOrtho2D(bounds.left(), bounds.right(), bounds.bottom(), bounds.top());
+    glOrtho(bounds.left(), bounds.right(), bounds.bottom(), bounds.top(), -1.0f, 1.0f);
     glDisable(GL_DEPTH_TEST);
     glDisable(GL_LIGHTING);
     glEnable(GL_TEXTURE_2D);