Source/WindowSystem/EGL/OSGEGLWindow.cpp

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  37 \*---------------------------------------------------------------------------*/
  38
  39 //---------------------------------------------------------------------------
  40 //  Includes
  41 //---------------------------------------------------------------------------
  42
  43 #include <cstdlib>
  44 #include <cstdio>
  45
  46 #include "OSGConfig.h"
  47
  48 // Forget everything if we're not doing a windows compile
  49 #ifdef OSG_USE_EGL
  50
  51 #include "OSGEGLWindow.h"
  52
  53 #include "gles/egl.h"
  54
  55 OSG_USING_NAMESPACE
  56
  57 // Documentation for this class is emited in the
  58 // OSGEGLWindowBase.cpp file.
  59 // To modify it, please change the .fcd file (OSGEGLWindow.fcd) and
  60 // regenerate the base file.
  61
  62 /*----------------------- constructors & destructors ----------------------*/
  63
  64 //! Constructor
  65
  66 EGLWindow::EGLWindow(void) :
  67     Inherited()
  68 {
  69 }
  70
  71 //! Copy Constructor
  72
  73 EGLWindow::EGLWindow(const EGLWindow &source) :
  74     Inherited(source)
  75 {
  76 }
  77
  78 //! Destructor
  79
  80 EGLWindow::~EGLWindow(void)
  81 {
  82 #if 0
  83     if(getHglrc() != NULL)
  84         wglDeleteContext(getHglrc());
  85 #endif
  86 }
  87
  88 /*----------------------------- class specific ----------------------------*/
  89
  90 //! initialize the static features of the class, e.g. action callbacks
  91
  92 void EGLWindow::initMethod(InitPhase ePhase)
  93 {
  94     Inherited::initMethod(ePhase);
  95 }
  96
  97 //! react to field changes
  98
  99 void EGLWindow::changed(ConstFieldMaskArg whichField,
 100                         UInt32            origin,
 101                         BitVector         details)
 102 {
 103     Inherited::changed(whichField, origin, details);
 104 }
 105
 106 //! output the instance for debug purposes
 107
 108 void EGLWindow::dump(      UInt32    ,
 109                      const BitVector ) const
 110 {
 111     SLOG << "Dump EGLWindow NI" << std::endl;
 112 }
 113
 114 /*-------------------------- your_category---------------------------------*/
 115
 116 /*! init the window: create the HDC and HGLRC
 117 */
 118 void EGLWindow::init( void )
 119 {
 120     activate();
 121     setupGL();
 122 }
 123
 124 /*! activate the window: set the HDC and bind the OGL context
 125 */
 126 void EGLWindow::activate(void)
 127 {
 128     if(!eglMakeCurrent(getDisplay(), getWindow(), getWindow(), getContext()))
 129     {
 130 /*
 131         std::cerr << "EGLWindow::activate: failed: "
 132                   << GetLastError()
 133                   << std::endl;
 134 */
 135     }
 136 }
 137
 138 void EGLWindow::deactivate(void)
 139 {
 140     eglMakeCurrent(getDisplay(),
 141                    EGL_NO_SURFACE,
 142                    EGL_NO_SURFACE,
 143                    EGL_NO_CONTEXT);
 144 }
 145
 146 // swap front and back buffers
 147 bool EGLWindow::swap( void )
 148 {
 149     return eglSwapBuffers(getDisplay(), getWindow());
 150 }
 151
 152 #endif // OSG_USE_EGL