use SystemWindowData to request a NSOpenGLWindow

Change-Id: Ief50a2fc533846cd61be66b1ea166a992942083b

include/vcl/sysdata.hxx

@@ -51,6 +51,7 @@ struct SystemEnvData
     HWND                hWnd;           // the window hwnd
 #elif defined( MACOSX )
     NSView*             mpNSView;       // the cocoa (NSView *) implementing this object
+    bool                mbOpenGL;       // use a OpenGL providing NSView
 #elif defined( ANDROID )
     // Nothing
 #elif defined( IOS )
@@ -75,6 +76,7 @@ struct SystemEnvData
         , hWnd(0)
 #elif defined( MACOSX )
         , mpNSView(NULL)
+        , mbOpenGL(false)
 #elif defined( ANDROID )
 #elif defined( IOS )
 #elif defined( UNX )
@@ -174,7 +176,8 @@ struct SystemWindowData
 {
     unsigned long   nSize;          // size in bytes of this structure
 #if defined( WNT )                  // meaningless on Windows
-#elif defined( MACOSX )             // meaningless on Mac OS X
+#elif defined( MACOSX )
+    bool            bOpenGL;        // create a OpenGL providing NSView
     // Nothing
 #elif defined( ANDROID )
     // Nothing

vcl/inc/osx/salobj.h

@@ -52,7 +52,7 @@ public:
 
     void setClippedPosSize();
 
-    AquaSalObject( AquaSalFrame* pFrame );
+    AquaSalObject( AquaSalFrame* pFrame, SystemWindowData* pWinData );
     virtual ~AquaSalObject();
 
     virtual void                    ResetClipRegion() SAL_OVERRIDE;

vcl/osx/salinst.cxx

@@ -757,13 +757,12 @@ void AquaSalInstance::DestroyFrame( SalFrame* pFrame )
     delete pFrame;
 }
 
-SalObject* AquaSalInstance::CreateObject( SalFrame* pParent, SystemWindowData* /* pWindowData */, bool /* bShow */ )
+SalObject* AquaSalInstance::CreateObject( SalFrame* pParent, SystemWindowData* pWindowData, bool /* bShow */ )
 {
-    // SystemWindowData is meaningless on Mac OS X
     AquaSalObject *pObject = NULL;
 
     if ( pParent )
-        pObject = new AquaSalObject( static_cast<AquaSalFrame*>(pParent) );
+        pObject = new AquaSalObject( static_cast<AquaSalFrame*>(pParent), pWindowData );
 
     return pObject;
 }

vcl/osx/salobj.cxx

@@ -22,8 +22,9 @@
 #include "osx/saldata.hxx"
 #include "osx/salobj.h"
 #include "osx/salframe.h"
+#include <AppKit/NSOpenGLView.h>
 
-AquaSalObject::AquaSalObject( AquaSalFrame* pFrame ) :
+AquaSalObject::AquaSalObject( AquaSalFrame* pFrame, SystemWindowData* pWindowData ) :
     mpFrame( pFrame ),
     mnClipX( -1 ),
     mnClipY( -1 ),
@@ -37,6 +38,7 @@ AquaSalObject::AquaSalObject( AquaSalFrame* pFrame ) :
 {
     maSysData.nSize = sizeof( maSysData );
     maSysData.mpNSView = NULL;
+    maSysData.mbOpenGL = pWindowData->bOpenGL;
 
     NSRect aInitFrame = { NSZeroPoint, { 20, 20 } };
     mpClipView = [[NSClipView alloc] initWithFrame: aInitFrame ];
@@ -45,8 +47,25 @@ AquaSalObject::AquaSalObject( AquaSalFrame* pFrame ) :
         [mpFrame->getNSView() addSubview: mpClipView];
         [mpClipView setHidden: YES];
     }
-    maSysData.mpNSView = [[NSView alloc] initWithFrame: aInitFrame];
-    if( maSysData.mpNSView )
+    if (pWindowData->bOpenGL)
+    {
+        NSOpenGLPixelFormatAttribute aAttributes[] =
+        {
+            NSOpenGLPFADoubleBuffer,
+            NSOpenGLPFAAlphaSize, 8,
+            NSOpenGLPFAColorSize, 24,
+            0
+        };
+
+        NSOpenGLPixelFormat* pixFormat = [[NSOpenGLPixelFormat alloc] initWithAttributes:aAttributes];
+        maSysData.mpNSView = [[NSOpenGLView alloc] initWithFrame: aInitFrame pixelFormat:pixFormat];
+
+    }
+    else
+    {
+        maSysData.mpNSView = [[NSView alloc] initWithFrame: aInitFrame];
+    }
+        if( maSysData.mpNSView )
     {
         if( mpClipView )
             [mpClipView setDocumentView: maSysData.mpNSView];

vcl/source/opengl/OpenGLContext.cxx

@@ -724,6 +724,9 @@ bool OpenGLContext::initWindow()
 SystemWindowData OpenGLContext::generateWinData(Window* /*pParent*/)
 {
     SystemWindowData aWinData;
+#if defined(MACOSX)
+    aWinData.bOpenGL = true;
+#endif
     aWinData.nSize = sizeof(aWinData);
     return aWinData;
 }