Method sendPlugin

server/VirtualWin.cpp:392–477

void VirtualWin::sendPlugin(GLint drawBuf, bool spoilLast, bool sync,
	bool doStereo, int stereoMode)
{
	Frame f;
	int w = oglDraw->getWidth(), h = oglDraw->getHeight();
	RRFrame *rrframe = NULL;
	TempContext *tc = NULL;

	try
	{
		if(!plugin)
		{
			tc = setupPluginTempContext(drawBuf);
			plugin = new TransPlugin(dpy, x11Draw, fconfig.transport);
			plugin->connect(
				strlen(fconfig.client) > 0 ? fconfig.client : DisplayString(dpy),
				fconfig.port);
		}

		if(spoilLast && fconfig.spoil && !plugin->ready())
		{
			delete tc;  return;
		}
		if(!tc) tc = setupPluginTempContext(drawBuf);
		if(!fconfig.spoil) plugin->synchronize();

		if(oglDraw->getRGBSize() != 24)
			THROW("Transport plugins require 8 bits per component");
		int desiredFormat = RRTRANS_RGB;
		if(oglDraw->getFormat() == GL_BGR) desiredFormat = RRTRANS_BGR;
		else if(oglDraw->getFormat() == GL_BGRA) desiredFormat = RRTRANS_BGRA;
		else if(oglDraw->getFormat() == GL_RGBA) desiredFormat = RRTRANS_RGBA;

		rrframe = plugin->getFrame(w, h, desiredFormat,
			doStereo && stereoMode == RRSTEREO_QUADBUF);
		if(rrframe->bits)
		{
			f.init(rrframe->bits, rrframe->w, rrframe->pitch, rrframe->h,
				trans2pf[rrframe->format], FRAME_BOTTOMUP);

			if(doStereo && stereoMode == RRSTEREO_QUADBUF && rrframe->rbits == NULL)
			{
				static bool message = false;
				if(!message)
				{
					vglout.println("[VGL] NOTICE: Quad-buffered stereo is not supported by the plugin.");
					vglout.println("[VGL]    Using anaglyphic stereo instead.");
					message = true;
				}
				stereoMode = RRSTEREO_REDCYAN;
			}
			if(doStereo && IS_ANAGLYPHIC(stereoMode))
			{
				stereoFrame.deInit();
				makeAnaglyph(&f, drawBuf, stereoMode);
			}
			else if(doStereo && IS_PASSIVE(stereoMode))
			{