Method readback

server/VirtualPixmap.cpp:72–94

void VirtualPixmap::readback(void)
{
	if(!checkRenderMode()) return;

	fconfig_reloadenv();

	CriticalSection::SafeLock l(mutex);
	int width = oglDraw->getWidth(), height = oglDraw->getHeight();

	rrframeheader hdr;
	memset(&hdr, 0, sizeof(hdr));
	hdr.x = hdr.y = 0;
	hdr.width = hdr.framew = width;
	hdr.height = hdr.frameh = height;
	frame->init(hdr);

	frame->flags |= FRAME_BOTTOMUP;
	readPixels(0, 0, min(width, frame->hdr.framew), frame->pitch,
		min(height, frame->hdr.frameh), GL_NONE, frame->pf, frame->bits, GL_FRONT,
		false);

	frame->redraw();
}