#include "CoreVideo.h"
#include "CVDisplayLink.h"
#include <util/debug.h>

CVReturn CVDisplayLinkCreateWithActiveCGDisplays(CVDisplayLinkRef* displayLinkOut)
{
	*displayLinkOut = new CVDisplayLink;
	return kCVReturnSuccess;
}

CVReturn CVDisplayLinkStart(CVDisplayLinkRef displayLink)
{
	if (!displayLink)
		return kCVReturnInvalidArgument;
	return displayLink->start();
}

CVReturn CVDisplayLinkStop(CVDisplayLinkRef displayLink)
{
	if (!displayLink)
		return kCVReturnInvalidArgument;
	return displayLink->stop();
}

Boolean CVDisplayLinkIsRunning(CVDisplayLinkRef displayLink)
{
	if (!displayLink)
		return false;
	return displayLink->isRunning();
}

void CVDisplayLinkRelease(CVDisplayLinkRef displayLink)
{
	delete displayLink;
}

CVReturn CVDisplayLinkSetOutputCallback(CVDisplayLinkRef displayLink, CVDisplayLinkOutputCallback callback, void *userInfo)
{
	STUB();
	return kCVReturnSuccess;
}

CVReturn CVDisplayLinkSetCurrentCGDisplayFromOpenGLContext(CVDisplayLinkRef displayLink, CGLContextObj cglContext, CGLPixelFormatObj cglPixelFormat)
{
	if (!displayLink)
		return kCVReturnInvalidArgument;
	return displayLink->setDisplay(cglContext, cglPixelFormat);
}