1 // Created on: 2011-10-20
2 // Created by: Sergey ZERCHANINOV
3 // Copyright (c) 2011-2012 OPEN CASCADE SAS
5 // The content of this file is subject to the Open CASCADE Technology Public
6 // License Version 6.5 (the "License"). You may not use the content of this file
7 // except in compliance with the License. Please obtain a copy of the License
8 // at http://www.opencascade.org and read it completely before using this file.
10 // The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
11 // main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
13 // The Original Code and all software distributed under the License is
14 // distributed on an "AS IS" basis, without warranty of any kind, and the
15 // Initial Developer hereby disclaims all such warranties, including without
16 // limitation, any warranties of merchantability, fitness for a particular
17 // purpose or non-infringement. Please see the License for the specific terms
18 // and conditions governing the rights and limitations under the License.
21 #include <OpenGl_GlCore11.hxx>
23 #include <OpenGl_GraphicDriver.hxx>
25 #include <OpenGl_Display.hxx>
26 #include <OpenGl_CView.hxx>
28 Standard_Integer OpenGl_GraphicDriver::InquireLightLimit ()
30 return (myGlDisplay.IsNull() ? 0 : myGlDisplay->Facilities().MaxLights);
33 void OpenGl_GraphicDriver::InquireMat (const Graphic3d_CView& ACView, TColStd_Array2OfReal& AMatO, TColStd_Array2OfReal& AMatM)
35 const OpenGl_CView *aCView = (const OpenGl_CView *)ACView.ptrView;
37 aCView->View->GetMatrices(AMatO,AMatM,ACView.Orientation.IsCustomMatrix);
40 Standard_Integer OpenGl_GraphicDriver::InquireViewLimit ()
42 return (myGlDisplay.IsNull() ? 0 : myGlDisplay->Facilities().MaxViews);
45 Standard_Integer OpenGl_GraphicDriver::InquirePlaneLimit ()
50 glGetIntegerv (GL_MAX_CLIP_PLANES, &aMaxPlanes);
51 aMaxPlanes -= 2; // NOTE the 2 first planes are reserved for ZClipping