1 // Created on: 2011-09-20
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 #if (defined(_WIN32) || defined(__WIN32__))
24 #include <OpenGl_AVIWriter.hxx>
27 #include <OpenGl_FrameBuffer.hxx>
28 #include <OpenGl_ResourceCleaner.hxx>
29 #include <InterfaceGraphic_Graphic3d.hxx>
30 #include <InterfaceGraphic_Visual3d.hxx>
32 #include <OpenGl_Workspace.hxx>
35 void OpenGl_Workspace::Redraw (const Graphic3d_CView& theCView,
36 const Aspect_CLayer2d& theCUnderLayer,
37 const Aspect_CLayer2d& theCOverLayer)
42 // release pending GL resources
43 OpenGl_ResourceCleaner::GetInstance()->Cleanup (GetGlContext());
45 Tint toSwap = 1; // swap buffers
46 GLint aViewPortBack[4];
47 OpenGl_FrameBuffer* aFrameBuffer = (OpenGl_FrameBuffer* )theCView.ptrFBO;
48 if (aFrameBuffer != NULL)
50 glGetIntegerv (GL_VIEWPORT, aViewPortBack);
51 aFrameBuffer->SetupViewport();
52 aFrameBuffer->BindBuffer (GetGlContext());
53 toSwap = 0; // no need to swap buffers
56 Redraw1 (theCView, theCUnderLayer, theCOverLayer, toSwap);
59 if (aFrameBuffer != NULL)
61 aFrameBuffer->UnbindBuffer (GetGlContext());
62 // move back original viewport
63 glViewport (aViewPortBack[0], aViewPortBack[1], aViewPortBack[2], aViewPortBack[3]);
66 #if (defined(_WIN32) || defined(__WIN32__))
67 if (OpenGl_AVIWriter_AllowWriting (theCView.DefWindow.XWindow))
70 glGetIntegerv (GL_VIEWPORT, params);
71 int nWidth = params[2] & ~0x7;
72 int nHeight = params[3] & ~0x7;
74 const int nBitsPerPixel = 24;
75 GLubyte* aDumpData = new GLubyte[nWidth * nHeight * nBitsPerPixel / 8];
77 glPixelStorei (GL_PACK_ALIGNMENT, 1);
78 glReadPixels (0, 0, nWidth, nHeight, GL_BGR_EXT, GL_UNSIGNED_BYTE, aDumpData);
79 OpenGl_AVIWriter_AVIWriter (aDumpData, nWidth, nHeight, nBitsPerPixel);