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Instant program crash?

Started by ParanoiaComplex Jul 7, 2004 at 1:43 AM 4 replies 1.1k views

Original Post

Jul 7, 2004 at 1:43 AM

When I try to call my g_pDDSBack surface (my back buffer), my program crashes entirely. What gives? I call it right before in another function, and it works perfectly.

Quote:
hRet = g_pDDSBack->BltFast(xPos, yPos, g_pDDSOne, &rcRect, DDBLTFAST_SRCCOLORKEY);

And yes, those are all valid values being passed. I checked. Believe me, I checked.

Delryn

Jul 7, 2004 at 2:03 AM

Try as an additional parameter DDBLTFAST_WAIT and, if you havent done this already ;) check with if(Function == DDERR_...) whats going on!

Pipo DeClown

156

Pipo DeClown

Jul 7, 2004 at 5:35 AM

if( g_pDDSBack == NULL )
. . SureCrash();
else
. . YupDirectDrawError();

ParanoiaComplex

Author

ParanoiaComplex

Jul 7, 2004 at 12:56 PM

That isn't the problem. Whenever I even attempt to call it, it crashes.

SSJCORY

Jul 7, 2004 at 2:56 PM

I've had errors like that. The first time i had one because i didn't zero out the d3d present parameters struct. I don't know why its doing it for you hope you figure it out.

ParanoiaComplex

Author

ParanoiaComplex

Jul 7, 2004 at 3:04 PM

Ever since I tried to put my program into many files, this didn't work.

I can write to the backbuffer in other files, but as soon as I try to access it within my cObject class, it fails.

And I'm using DX7 and directdraw, so I have no idea what you are talking about when you say present parameters :P

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