Method sendVGL

server/VirtualWin.cpp:480–536

void VirtualWin::sendVGL(GLint drawBuf, bool spoilLast, bool doStereo,
	int stereoMode, int compress, int qual, int subsamp)
{
	int w = oglDraw->getWidth(), h = oglDraw->getHeight();

	if(spoilLast && fconfig.spoil && !vglconn->isReady())
		return;
	Frame *f;

	if(oglDraw->getRGBSize() != 24)
		THROW("The VGL Transport requires 8 bits per component");
	int glFormat = GL_RGB, pixelFormat = PF_RGB;
	if(compress != RRCOMP_RGB)
	{
		glFormat = oglDraw->getFormat();
		if(glFormat == GL_RGBA) pixelFormat = PF_RGBX;
		else if(glFormat == GL_BGR) pixelFormat = PF_BGR;
		else if(glFormat == GL_BGRA) pixelFormat = PF_BGRX;
	}

	if(!fconfig.spoil) vglconn->synchronize();
	ERRIFNOT(f = vglconn->getFrame(w, h, pixelFormat, FRAME_BOTTOMUP,
		doStereo && stereoMode == RRSTEREO_QUADBUF));
	if(doStereo && IS_ANAGLYPHIC(stereoMode))
	{
		stereoFrame.deInit();
		makeAnaglyph(f, drawBuf, stereoMode);
	}
	else if(doStereo && IS_PASSIVE(stereoMode))
	{
		rFrame.deInit();  gFrame.deInit();  bFrame.deInit();
		makePassive(f, drawBuf, glFormat, stereoMode);
	}
	else
	{
		rFrame.deInit();  gFrame.deInit();  bFrame.deInit();  stereoFrame.deInit();
		GLint readBuf = drawBuf;
		if(doStereo || stereoMode == RRSTEREO_LEYE) readBuf = LEYE(drawBuf);
		if(stereoMode == RRSTEREO_REYE) readBuf = REYE(drawBuf);
		readPixels(0, 0, f->hdr.framew, f->pitch, f->hdr.frameh, glFormat, f->pf,
			f->bits, readBuf, doStereo);
		if(doStereo && f->rbits)
			readPixels(0, 0, f->hdr.framew, f->pitch, f->hdr.frameh, glFormat, f->pf,
				f->rbits, REYE(drawBuf), doStereo);
	}
	f->hdr.winid = x11Draw;
	f->hdr.framew = f->hdr.width;
	f->hdr.frameh = f->hdr.height;
	f->hdr.x = 0;
	f->hdr.y = 0;
	f->hdr.qual = qual;
	f->hdr.subsamp = subsamp;
	f->hdr.compress = (unsigned char)compress;
	if(!syncdpy) { XSync(dpy, False);  syncdpy = true; }
	if(fconfig.logo) f->addLogo();
	vglconn->sendFrame(f);
}