int screen_CloseCapture( demux_t *p_demux )
{
screen_data_t *p_data = ( screen_data_t * )p_demux->p_sys->p_data;
CGLSetCurrentContext( NULL );
/* Cursor */
glBindTexture( GL_TEXTURE_2D, 0 );
glDeleteTextures( 1, &( p_data->cursor_texture ) );
CGSReleaseConnection( p_data->connection );
/* Screen Image */
if( p_data->screen_image != NULL )
{
free( p_data->screen_image );
p_data->screen_image = NULL;
}
/* Clipped Image */
if( p_data->clipped_image != NULL )
{
free( p_data->clipped_image );
p_data->clipped_image = NULL;
}
/* Clipped Context */
CGLClearDrawable( p_data->clipped );
CGLDestroyContext( p_data->clipped );
/* Screen Context */
if( p_data->myCGDisplayCreateImageForRect == NULL )
{
CGLClearDrawable( p_data->screen );
CGLDestroyContext( p_data->screen );
}
/* CGImage */
CFRelease( p_data->bundle );
free( p_data );
return VLC_SUCCESS;
}
/* Cleans up CGLContext created by createFullScreenCGLContext(); */
static void destroyFullScreenCGLContext(CGLContextObj glContext)
{
glPopClientAttrib(); /* Clear attributes previously set. */
CGLSetCurrentContext(NULL); /* Reset context. */
CGLClearDrawable(glContext); /* Disassociate from full-screen. */
CGLDestroyContext(glContext); /* Release memory. */
}
OSXCGLContext::~OSXCGLContext()
{
CGLClearDrawable(mCGLContext);
CGLDestroyContext(mCGLContext);
if(mPixelFormat != NULL)
CGLDestroyPixelFormat(mPixelFormat);
}
void macosx_opengl_fini(void) {
if (!macosx_read_opengl) {
return;
}
CGLSetCurrentContext(NULL);
CGLClearDrawable(glContextObj);
CGLDestroyContext(glContextObj);
}
static void RLXAPI ReleaseSurfaces(void)
{
if (!g_pCGLC)
return;
CGLSetCurrentContext( NULL );
CGLClearDrawable( g_pCGLC );
CGLDestroyContext( g_pCGLC );
g_pCGLC = 0;
g_pRLX->pGX->Surfaces.maxSurface = 0;
}
int screen_CloseCapture( demux_t *p_demux )
{
screen_data_t *p_data = ( screen_data_t * )p_demux->p_sys->p_data;
CGSReleaseConnection( p_data->connection );
CGLSetCurrentContext( NULL );
CGLClearDrawable( p_data->screen );
CGLDestroyContext( p_data->screen );
return VLC_SUCCESS;
}
void _glfwPlatformCloseWindow( void )
{
if( _glfwWin.WindowFunctions != NULL )
{
if( _glfwWin.WindowUPP != NULL )
{
DisposeEventHandlerUPP( _glfwWin.WindowUPP );
_glfwWin.WindowUPP = NULL;
}
_glfwWin.WindowFunctions->CloseWindow();
if( !_glfwWin.Fullscreen && _glfwWin.AGLContext != NULL )
{
aglSetCurrentContext( NULL );
aglSetDrawable( _glfwWin.AGLContext, NULL );
aglDestroyContext( _glfwWin.AGLContext );
_glfwWin.AGLContext = NULL;
}
if( _glfwWin.Fullscreen && _glfwWin.CGLContext != NULL )
{
CGLSetCurrentContext( NULL );
CGLClearDrawable( _glfwWin.CGLContext );
CGLDestroyContext( _glfwWin.CGLContext );
CGReleaseAllDisplays();
_glfwWin.CGLContext = NULL;
}
if( _glfwWin.MacWindow != NULL )
{
ReleaseWindow( _glfwWin.MacWindow );
_glfwWin.MacWindow = NULL;
}
_glfwWin.WindowFunctions = NULL;
}
}
screenshot* capture() {
CGContextRef bitmap;
CGImageRef image;
void * data;
long bytewidth;
GLint width, height;
long bytes;
CGColorSpaceRef cSpace = CGColorSpaceCreateWithName (kCGColorSpaceGenericRGB);
CGLContextObj glContextObj;
CGLPixelFormatObj pixelFormatObj ;
long numPixelFormats ;
CGLPixelFormatAttribute attribs[] =
{
kCGLPFAFullScreen,
kCGLPFADisplayMask,
0, /* Display mask bit goes here */
0
} ;
if ( display == kCGNullDirectDisplay )
display = CGMainDisplayID();
attribs[2] = CGDisplayIDToOpenGLDisplayMask(display);
/* Build a full-screen GL context */
CGLChoosePixelFormat( attribs, &pixelFormatObj, &numPixelFormats );
if ( pixelFormatObj == NULL ) // No full screen context support
return NULL;
CGLCreateContext( pixelFormatObj, NULL, &glContextObj ) ;
CGLDestroyPixelFormat( pixelFormatObj ) ;
if ( glContextObj == NULL )
return NULL;
CGLSetCurrentContext( glContextObj ) ;
CGLSetFullScreen( glContextObj ) ;
glReadBuffer(GL_FRONT);
width = srcRect.size.width;
height = srcRect.size.height;
bytewidth = width * 4; // Assume 4 bytes/pixel for now
bytewidth = (bytewidth + 3) & ~3; // Align to 4 bytes
bytes = bytewidth * height; // width * height
/* Build bitmap context */
data = malloc(height * bytewidth);
if ( data == NULL )
{
CGLSetCurrentContext( NULL );
CGLClearDrawable( glContextObj ); // disassociate from full screen
CGLDestroyContext( glContextObj ); // and destroy the context
return NULL;
}
bitmap = CGBitmapContextCreate(data, width, height, 8, bytewidth,
cSpace, kCGImageAlphaNoneSkipFirst /* XRGB */);
CFRelease(cSpace);
/* Read framebuffer into our bitmap */
glFinish(); /* Finish all OpenGL commands */
glPixelStorei(GL_PACK_ALIGNMENT, 4); /* Force 4-byte alignment */
glPixelStorei(GL_PACK_ROW_LENGTH, 0);
glPixelStorei(GL_PACK_SKIP_ROWS, 0);
glPixelStorei(GL_PACK_SKIP_PIXELS, 0);
/*
* Fetch the data in XRGB format, matching the bitmap context.
*/
glReadPixels(
(GLint) srcRect.origin.x,
(GLint)srcRect.origin.y,
width,
height,
GL_BGRA,
#ifdef __BIG_ENDIAN__
GL_UNSIGNED_INT_8_8_8_8_REV, // for PPC
#else
GL_UNSIGNED_INT_8_8_8_8, // for Intel! http://lists.apple.com/archives/quartz-dev/2006/May/msg00100.html
#endif
data);
/*
* glReadPixels generates a quadrant I raster, with origin in the lower left
* This isn't a problem for signal processing routines such as compressors,
* as they can simply use a negative 'advance' to move between scanlines.
* CGImageRef and CGBitmapContext assume a quadrant III raster, though, so we need to
* invert it. Pixel reformatting can also be done here.
*/
swizzleBitmap(data, bytewidth, height);
/* Make an image out of our bitmap; does a cheap vm_copy of the bitmap */
image = CGBitmapContextCreateImage(bitmap);
/* Get rid of bitmap */
CFRelease(bitmap);
free(data);
/* Get rid of GL context */
CGLSetCurrentContext( NULL );
CGLClearDrawable( glContextObj ); // disassociate from full screen
CGLDestroyContext( glContextObj ); // and destroy the context
/* Returned image has a reference count of 1 */
return image;
}
void _glfwPlatformCloseWindow( void )
{
if( _glfwWin.mouseUPP != NULL )
{
DisposeEventHandlerUPP( _glfwWin.mouseUPP );
_glfwWin.mouseUPP = NULL;
}
if( _glfwWin.commandUPP != NULL )
{
DisposeEventHandlerUPP( _glfwWin.commandUPP );
_glfwWin.commandUPP = NULL;
}
if( _glfwWin.keyboardUPP != NULL )
{
DisposeEventHandlerUPP( _glfwWin.keyboardUPP );
_glfwWin.keyboardUPP = NULL;
}
if( _glfwWin.windowUPP != NULL )
{
DisposeEventHandlerUPP( _glfwWin.windowUPP );
_glfwWin.windowUPP = NULL;
}
if( _glfwWin.fullscreen )
{
if( _glfwWin.cglContext != NULL )
{
CGLSetCurrentContext( NULL );
CGLClearDrawable( _glfwWin.cglContext );
CGLDestroyContext( _glfwWin.cglContext );
CGReleaseAllDisplays();
_glfwWin.cglContext = NULL;
}
if( _glfwWin.cglPixelFormat != NULL )
{
CGLDestroyPixelFormat( _glfwWin.cglPixelFormat );
_glfwWin.cglPixelFormat = NULL;
}
}
else
{
if( _glfwWin.aglContext != NULL )
{
aglSetCurrentContext( NULL );
aglSetDrawable( _glfwWin.aglContext, NULL );
aglDestroyContext( _glfwWin.aglContext );
_glfwWin.aglContext = NULL;
}
if( _glfwWin.aglPixelFormat != NULL )
{
aglDestroyPixelFormat( _glfwWin.aglPixelFormat );
_glfwWin.aglPixelFormat = NULL;
}
}
if( _glfwWin.window != NULL )
{
ReleaseWindow( _glfwWin.window );
_glfwWin.window = NULL;
}
}
int doMain (int argc, char **argv)
{
int dummy;
// OSG init
OSG::osgInit(argc, argv);
// create the graph
// beacon for camera and light
OSG::NodeUnrecPtr b1n = OSG::Node::create();
OSG::GroupUnrecPtr b1 = OSG::Group::create();
b1n->setCore( b1 );
// transformation
OSG::NodeUnrecPtr t1n = OSG::Node::create();
OSG::TransformUnrecPtr t1 = OSG::Transform::create();
t1n->setCore( t1 );
t1n->addChild( b1n );
cam_trans = t1;
// light
OSG::NodeUnrecPtr dlight = OSG::Node::create();
OSG::DirectionalLightUnrecPtr dl = OSG::DirectionalLight::create();
dlight->setCore( dl );
dl->setAmbient( .3, .3, .3, 1 );
dl->setDiffuse( 1, 1, 1, 1 );
dl->setDirection(0,0,1);
dl->setBeacon( b1n);
// root
root = OSG::Node::create();
OSG::GroupUnrecPtr gr1 = OSG::Group::create();
root->setCore( gr1 );
root->addChild( t1n );
root->addChild( dlight );
// Load the file
OSG::NodeUnrecPtr file = NULL;
if ( argc > 1 )
file = OSG::SceneFileHandler::the()->read(argv[1]);
if ( file == NULL )
{
std::cerr << "Couldn't load file, ignoring" << std::endl;
file = OSG::makeTorus( .5, 2, 16, 16 );
}
OSG::Thread::getCurrentChangeList()->commitChanges();
file->updateVolume();
OSG::Vec3f min,max;
file->getVolume().getBounds( min, max );
std::cout << "Volume: from " << min << " to " << max << std::endl;
dlight->addChild( file );
std::cerr << "Tree: " << std::endl;
//root->dump();
// Camera
cam = OSG::PerspectiveCamera::create();
cam->setBeacon( b1n );
cam->setFov( OSG::osgDegree2Rad( 90 ) );
cam->setNear( 0.1 );
cam->setFar( 100000 );
// Background
OSG::SolidBackgroundUnrecPtr bkgnd = OSG::SolidBackground::create();
bkgnd->setColor(OSG::Color3f(0,0,1));
// Viewport
vp = OSG::Viewport::create();
vp->setCamera( cam );
vp->setBackground( bkgnd );
vp->setRoot( root );
vp->setSize( 0,0, 1,1 );
// Action
ract = OSG::RenderAction::create();
// tball
OSG::Vec3f pos;
pos.setValues(min[0] + ((max[0] - min[0]) * 0.5),
min[1] + ((max[1] - min[1]) * 0.5),
max[2] + ( max[2] - min[2] ) * 1.5 );
float scale = (max[2] - min[2] + max[1] - min[1] + max[0] - min[0]) / 6;
OSG::Pnt3f tCenter(min[0] + (max[0] - min[0]) / 2,
min[1] + (max[1] - min[1]) / 2,
min[2] + (max[2] - min[2]) / 2);
tball.setMode( OSG::Trackball::OSGObject );
tball.setStartPosition( pos, true );
tball.setSum( true );
tball.setTranslationMode( OSG::Trackball::OSGFree );
tball.setTranslationScale(scale);
tball.setRotationCenter(tCenter);
// CoreGL init
// Install event handler
EventHandlerUPP eventHandlerUPP = NewEventHandlerUPP(eventHandler);
EventTypeSpec eventList[] =
{
{ kEventClassTextInput, kEventTextInputUnicodeForKeyEvent },
{ kEventClassMouse, kEventMouseDown },
{ kEventClassMouse, kEventMouseUp },
{ kEventClassMouse, kEventMouseDragged }
};
InstallApplicationEventHandler(eventHandlerUPP, GetEventTypeCount(eventList), eventList, 0, 0);
CGDisplayCapture(kCGDirectMainDisplay);
CGLPixelFormatAttribute attribs[] =
{
kCGLPFADoubleBuffer,
kCGLPFAFullScreen,
kCGLPFADepthSize,
(CGLPixelFormatAttribute)16,
kCGLPFADisplayMask,
(CGLPixelFormatAttribute)CGDisplayIDToOpenGLDisplayMask(kCGDirectMainDisplay),
(CGLPixelFormatAttribute)0
};
CGLPixelFormatObj pixelFormatObj;
GLint numPixelFormats;
CGLChoosePixelFormat(attribs, &pixelFormatObj, &numPixelFormats);
CGLContextObj contextObj;
CGLCreateContext(pixelFormatObj, 0, &contextObj);
CGLDestroyPixelFormat(pixelFormatObj);
CGLSetCurrentContext(contextObj);
CGLSetFullScreen(contextObj);
// Create OpenSG window
win = OSG::CoreGLWindow::create();
win->addPort( vp );
win->setContext ( contextObj );
win->init();
win->resize( CGDisplayPixelsWide(kCGDirectMainDisplay), CGDisplayPixelsHigh(kCGDirectMainDisplay) );
win->activate();
// do some OpenGL init. Will move into State Chunks later.
glEnable( GL_DEPTH_TEST );
glEnable( GL_LIGHTING );
glEnable( GL_LIGHT0 );
redraw();
// Main loop ( event dispatching )
RunApplicationEventLoop();
// Cleanup
CGLSetCurrentContext(0);
CGLClearDrawable(contextObj);
CGLDestroyContext(contextObj);
CGReleaseAllDisplays();
DisposeEventHandlerUPP(eventHandlerUPP);
ract = NULL;
win = NULL;
root = NULL;
file = NULL;
vp = NULL;
cam_trans = NULL;
cam = NULL;
return 0;
}