void StimulusDisplay::addContext(int _context_id){
context_ids.push_back(_context_id);
int contextIndex = context_ids.size() - 1;
OpenGLContextLock ctxLock = opengl_context_manager->setCurrent(_context_id);
getCurrentViewportSize(bufferWidths[contextIndex], bufferHeights[contextIndex]);
CVDisplayLinkRef dl;
if (kCVReturnSuccess != CVDisplayLinkCreateWithActiveCGDisplays(&dl)) {
throw SimpleException("Unable to create display link");
}
displayLinks.push_back(dl);
displayLinkContexts.emplace_back(new DisplayLinkContext(this, contextIndex));
if (kCVReturnSuccess != CVDisplayLinkSetOutputCallback(dl,
&StimulusDisplay::displayLinkCallback,
displayLinkContexts.back().get()))
{
throw SimpleException("Unable to set display link output callback");
}
if (kCVReturnSuccess != opengl_context_manager->prepareDisplayLinkForContext(dl, _context_id)) {
throw SimpleException("Unable to associate display link with OpenGL context");
}
if (0 == contextIndex) {
setMainDisplayRefreshRate();
allocateBufferStorage();
}
}
void StimulusDisplay::addContext(int _context_id){
context_ids.push_back(_context_id);
int contextIndex = getNContexts() - 1;
if (0 == contextIndex) {
if (kCVReturnSuccess != opengl_context_manager->prepareDisplayLinkForMainDisplay(displayLink))
{
throw SimpleException("Unable to associate display link with main display");
}
setMainDisplayRefreshRate();
}
if (drawEveryFrame) {
OpenGLContextLock ctxLock = setCurrent(contextIndex);
allocateBufferStorage(contextIndex);
}
}
