the msaa checks are only needed on windows

Change-Id: Ib5a4012b7365259e08e8d2fd0c1f3b239b46517c

chart2/source/view/main/OpenGLRender.cxx

@@ -761,16 +761,17 @@ OpenGLRender::OpenGLRender(uno::Reference< drawing::XShape > xTarget):
     m_iHeight(0),
     mxRenderTarget(xTarget),
     mbArbMultisampleSupported(false),
+#if defined( _WIN32 )
+    m_iArbMultisampleFormat(0),
+#endif
     m_2DColor(glm::vec4(1.0, 0.0, 0.0, 1.0)),
     m_frameBufferMS(0),
     m_TextVertexID(0),
-    m_TextTexCoordID(1),
+    m_TextTexCoordID(1)
 {
     //TODO: moggi: use STL
     memset(&m_Bubble2DCircle, 0, sizeof(m_Bubble2DCircle));
 
-    m_iArbMultisampleFormat = 0;
-
     //TODO: moggi: use STL
     for (size_t i = 0; i < sizeof(m_BackgroundColor) / sizeof(float); i++)
     {
@@ -950,7 +951,6 @@ bool OpenGLRender::InitMultisample(PIXELFORMATDESCRIPTOR pfd)
     DestroyWindow(hWnd);
     return  mbArbMultisampleSupported;
 }
-#endif
 
 bool OpenGLRender::GetMSAASupport()
 {
@@ -962,7 +962,6 @@ int OpenGLRender::GetMSAAFormat()
     return m_iArbMultisampleFormat;
 }
 
-#if defined( _WIN32 )
 //TODO: moggi: why the hell do we need another implementation here?
 int OpenGLRender::InitTempWindow(HWND *hwnd, int width, int height, PIXELFORMATDESCRIPTOR inPfd)
 {

chart2/source/view/main/OpenGLRender.hxx

@@ -151,9 +151,9 @@ public:
     BitmapEx GetAsBitmap();
 #if defined( _WIN32 )
     bool InitMultisample(PIXELFORMATDESCRIPTOR pfd);
-#endif
     bool GetMSAASupport();
     int GetMSAAFormat();
+#endif
     void SetColor(sal_uInt32 color);
     int Bubble2DShapePoint(float x, float y, float directionX, float directionY);
     int RenderBubble2FBO(int wholeFlag);
@@ -204,7 +204,7 @@ private:
     glm::mat4 m_Projection;
     // Camera matrix
     glm::mat4 m_View;
-    // Model matrix : an identity matrix (model will be at the origin#elif defined( UNX )
+    // Model matrix : an identity matrix (model will be at the origin
     glm::mat4 m_Model;
     // Our ModelViewProjection : multiplication of our 3 matrices
     glm::mat4 m_MVP;
@@ -247,8 +247,11 @@ private:
     std::list <Line2DPointList> m_Line2DShapePointList;
 
     com::sun::star::uno::Reference< com::sun::star::drawing::XShape > mxRenderTarget;
+
     bool mbArbMultisampleSupported;
+#if defined( _WIN32 )
     int m_iArbMultisampleFormat;
+#endif
 
     glm::vec4 m_2DColor;
     GLuint m_frameBufferMS;