Path: chuka.playstation.co.uk!news
From: James Russell <James_Russell@scee.sony.co.uk>
Newsgroups: scee.yaroze.programming.2d_graphics
Subject: Re: argh
Date: Thu, 26 Nov 1998 13:24:21 +0000
Organization: Sony Computer Entertainment Europe
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References: <73i0rg$9ia6@chuka.playstation.co.uk> <73j1ld$9ia11@chuka.playstation.co.uk> <73jj6i$9ia13@chuka.playstation.co.uk>
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Nigel Critten wrote:
> 
> below is what I'm doing to allocate the memory
> 
> u_long *image = (u_long *)malloc ((grabwidth*grabheight/2+5)*4);
> 
> this causes a freeze.

Have you called InitHeap? You must do this before using malloc.

BTW the correct size for storing the result of a StoreImage is:

Width * Height * 2;

The times 2 is because each pixel in the VRAM is 16 bits, not 8.

Cheers,

James

-- 
== James_Russell@scee.sony.co.uk                +44 (171) 447-1626
== Developer Support Engineer - Sony Computer Entertainment Europe

If at first you don't succeed, destroy all evidence that you tried.