Path: chuka.playstation.co.uk!news
From: sosman@terratron.com (Steven Osman)
Newsgroups: scee.yaroze.freetalk.english,scea.yaroze.freetalk.english
Subject: Re: Consecutive VSync(0) calls...
Date: Thu, 20 Jan 2000 22:20:40 GMT
Organization: PlayStation Net Yaroze (SCEE)
Lines: 42
Message-ID: <388789d2.1771807@news.playstation.co.uk>
References: <388742d7.3707031359@news.playstation.co.uk> <867qvv$d281@chuka.playstation.co.uk>
NNTP-Posting-Host: 209.27.57.69
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
X-Newsreader: Forte Agent 1.5/32.452

Actually, I'm writing a library that works with both Direct-X 7 and
yaroze.

I am not interested in actually doing this, but I wanted to make sure
that the DX part of the library would behave similarly to it's NY
counterpart.

Thanks for the feedback.

Steven


On Thu, 20 Jan 2000 20:34:14 -0000, "Alex Herbert"
<alex@herbs.dabsol.co.uk> wrote:

>Steven Osman <sosman@terratron.com> wrote in message
>news:388742d7.3707031359@news.playstation.co.uk...
>> Hey,
>>
>> I was curious, what does the following bit of code do?
>>
>> VSync(0);
>> VSync(0);
>>
>> The first call clearly waits for a vsync...  Does the second call
>> return immediately, or wait for the next vsync?
>>
>> Steven
>>
>
>Hi,
>
>The second call should wait for the next vsync, thus dropping the frame
>rate.  I wouldn't advise doing this though because you would always loose
>1/50th second (1/60th for NTSC) of CPU/GPU time.  If you need to run at a
>lower frame rate it would be far better to use VSync(2).
>
>
>Herbs
>
>