projects / occt.git / blame
| Commit | Line | Data |
|---|---|---|
| 2166f0fa SK |
1 | // File: OpenGl_Workspace_3.cxx |
| 2 | // Created: 20 September 2011 | |
| 3 | // Author: Sergey ZERCHANINOV | |
| 4 | // Copyright: OPEN CASCADE 2011 | |
| 5 | ||
| 6 | #if (defined(_WIN32) || defined(__WIN32__)) | |
| 7 | #include <OpenGl_AVIWriter.hxx> | |
| 8 | #else | |
| 9 | #define CALL_DEF_STRING_LENGTH 132 | |
| 10 | #endif | |
| 11 | #include <OpenGl_tgl_all.hxx> | |
| 12 | ||
| 13 | #include <OpenGl_FrameBuffer.hxx> | |
| 14 | #include <OpenGl_ResourceCleaner.hxx> | |
| 15 | #include <InterfaceGraphic_Graphic3d.hxx> | |
| 16 | #include <InterfaceGraphic_Visual3d.hxx> | |
| 17 | ||
| 18 | #include <OpenGl_Workspace.hxx> | |
| 19 | ||
| 20 | //call_togl_redraw | |
| 21 | void OpenGl_Workspace::Redraw (const Graphic3d_CView& theCView, | |
| 22 | const Aspect_CLayer2d& theCUnderLayer, | |
| 23 | const Aspect_CLayer2d& theCOverLayer) | |
| 24 | { | |
| 25 | if (!Activate()) | |
| 26 | return; | |
| 27 | ||
| 28 | // release pending GL resources | |
| 29 | OpenGl_ResourceCleaner::GetInstance()->Cleanup (GetGlContext()); | |
| 30 | ||
| 31 | Tint toSwap = 1; // swap buffers | |
| 32 | GLint aViewPortBack[4]; | |
| 33 | OpenGl_FrameBuffer* aFrameBuffer = (OpenGl_FrameBuffer* )theCView.ptrFBO; | |
| 34 | if (aFrameBuffer != NULL) | |
| 35 | { | |
| 36 | glGetIntegerv (GL_VIEWPORT, aViewPortBack); | |
| 37 | aFrameBuffer->SetupViewport(); | |
| 38 | aFrameBuffer->BindBuffer (GetGlContext()); | |
| 39 | toSwap = 0; // no need to swap buffers | |
| 40 | } | |
| 41 | ||
| 42 | Redraw1 (theCView, theCUnderLayer, theCOverLayer, toSwap); | |
| 43 | RedrawImmediatMode(); | |
| 44 | ||
| 45 | if (aFrameBuffer != NULL) | |
| 46 | { | |
| 47 | aFrameBuffer->UnbindBuffer (GetGlContext()); | |
| 48 | // move back original viewport | |
| 49 | glViewport (aViewPortBack[0], aViewPortBack[1], aViewPortBack[2], aViewPortBack[3]); | |
| 50 | } | |
| 51 | ||
| 52 | #if (defined(_WIN32) || defined(__WIN32__)) | |
| 53 | if (OpenGl_AVIWriter_AllowWriting (theCView.DefWindow.XWindow)) | |
| 54 | { | |
| 55 | GLint params[4]; | |
| 56 | glGetIntegerv (GL_VIEWPORT, params); | |
| 57 | int nWidth = params[2] & ~0x7; | |
| 58 | int nHeight = params[3] & ~0x7; | |
| 59 | ||
| 60 | const int nBitsPerPixel = 24; | |
| 61 | GLubyte* aDumpData = new GLubyte[nWidth * nHeight * nBitsPerPixel / 8]; | |
| 62 | ||
| 63 | glPixelStorei (GL_PACK_ALIGNMENT, 1); | |
| 64 | glReadPixels (0, 0, nWidth, nHeight, GL_BGR_EXT, GL_UNSIGNED_BYTE, aDumpData); | |
| 65 | OpenGl_AVIWriter_AVIWriter (aDumpData, nWidth, nHeight, nBitsPerPixel); | |
| 66 | delete[] aDumpData; | |
| 67 | } | |
| 68 | #endif | |
| 69 | } |