NaCl SDK: Demonstrate use of pp::View::GetDeviceScale for 3D

native_client_sdk/src/examples/api/graphics_3d/graphics_3d.cc

Index: native_client_sdk/src/examples/api/graphics_3d/graphics_3d.cc
diff --git a/native_client_sdk/src/examples/api/graphics_3d/graphics_3d.cc b/native_client_sdk/src/examples/api/graphics_3d/graphics_3d.cc
index abe5aec3a13252a8cb29f808703a829fddea56d5..01992c93e009b3ffcd91fab59a099bd930545f96 100644
--- a/native_client_sdk/src/examples/api/graphics_3d/graphics_3d.cc
+++ b/native_client_sdk/src/examples/api/graphics_3d/graphics_3d.cc
@@ -247,8 +247,8 @@ class Graphics3DInstance : public pp::Instance {
   }
 
   virtual void DidChangeView(const pp::View& view) {
-    int32_t new_width = view.GetRect().width();
-    int32_t new_height = view.GetRect().height();
+    int32_t new_width = view.GetRect().width() * view.GetDeviceScale();

[binji, 2014/07/17 00:05:36]

maybe a quick comment here?

[Josh Horwich, 2014/07/17 00:46:13]

Done. WDYT?

+    int32_t new_height = view.GetRect().height() * view.GetDeviceScale();
 
     if (context_.is_null()) {
       if (!InitGL(new_width, new_height)) {