From 58c1827f69e395c79dddb1cbcb02624ab2572b16 Mon Sep 17 00:00:00 2001
From: Sam Gateau <sam@highfidelity.io>
Date: Mon, 20 Apr 2015 15:56:44 -0700
Subject: [PATCH] bring back the glPushPop in transform legacy mode

---
 libraries/render-utils/src/Model.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/libraries/render-utils/src/Model.cpp b/libraries/render-utils/src/Model.cpp
index 2bbdf2a8f1..4bc69f1bea 100644
--- a/libraries/render-utils/src/Model.cpp
+++ b/libraries/render-utils/src/Model.cpp
@@ -1754,6 +1754,12 @@ void Model::setupBatchTransform(gpu::Batch& batch, RenderArgs* args) {
 void Model::endScene(RenderMode mode, RenderArgs* args) {
     PROFILE_RANGE(__FUNCTION__);
 
+
+#if (GPU_TRANSFORM_PROFILE == GPU_LEGACY)
+    // with legacy transform profile, we still to protect that transform stack...
+    glPushMatrix();
+#endif 
+
     RenderArgs::RenderSide renderSide = RenderArgs::MONO;
     if (args) {
         renderSide = args->_renderSide;
@@ -1921,6 +1927,12 @@ void Model::endScene(RenderMode mode, RenderArgs* args) {
         backend.render(_sceneRenderBatch);
     }
 
+
+#if (GPU_TRANSFORM_PROFILE == GPU_LEGACY)
+    // with legacy transform profile, we still to protect that transform stack...
+    glPopMatrix();
+#endif 
+
     // restore all the default material settings
     _viewState->setupWorldLight();