A little confused

Gary · 2001-08-07T14:58:16

I've never worked with HW Tnl before and I'm a little confused. Here's what's going on. I have a large flat (textured) rectangle. I also a much smaller (textured) rectangle about 300 to 400 units above the the larger one. The camera is placed above the smaller rectangle. So it should render the small rectangle over the larger one. The large rectangle is just plain textured and the smaller one is lightmap add. When I have PR_SetD3DPipeline(0) set it works fine and the small rectangle is drawn above the larger one as it should with it's lightmap add effect. However, with PR_SetD3DPipeline(1) the larger rectangle gets drawn ON TOP of the smaller rectangle. Why is this happening? It can't be a ZBuffer issue as the rectangles are upwards of 400 units apart. However, this problem occcures with all lightmap add items. They are getting drawn below the larger non-lightmap rectangle even though they are a great distance above it. Also I've noticed that wireframe doesn't work in TnL mode either. Is there a way to get the wireframe rendering in TnL without contstantly turning TnL on and off? Gary Edited by - Gary on August 6, 2001 6:20:10 PM

Power Render API Affiliates

Started by Gary August 06, 2001 05:11 PM

9 comments, last by Gary 22 years, 8 months ago

ChrisE

184

August 07, 2001 02:58 PM

The pixel format will be this:

dwFVF = D3DFVF_XYZ | D3DFVF_NORMAL | D3DFVF_DIFFUSE;

and also the flag for the number of texture coordinates:
if (NumTexCoords == 1)
dwFVF |= D3DFVF_TEX1;
else if (NumTexCoords == 2)
dwFVF |= D3DFVF_TEX2;
...

D3D always uses a specific order for the elements. In this case it''s position, normal, diffuse color, then texture coordinates.

Author of Power Render (http:/www.powerrender.com)

A little confused

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A little confused

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