Jump to content
  • Advertisement
Sign in to follow this  
Moldie

Projection of vertices

This topic is 4108 days old which is more than the 365 day threshold we allow for new replies. Please post a new topic.

If you intended to correct an error in the post then please contact us.

Recommended Posts

Which step in the transformation process does the actual projection of vertices onto the screen in Direct3D? The perspective matrix, as far as I see, just transforms the points into homogenous coordinates for clipping purposes. But the projection itself?

Share this post


Link to post
Share on other sites
Advertisement
The projection would be done whenever the hardware performs the homogeneous divide on each fragment location to get client window coordinates (assuming the viewport transformation has been applied already). I'm not really sure what stage this happens in, since you can do the division at any time and still keep the homogeneous coordinates around for clipping and texture purposes. Sometime after the vertex shader of course, but otherwise up to the hardware I suppose.

I hope that's what you meant by projection :)

Share this post


Link to post
Share on other sites
Sign in to follow this  

  • Advertisement
×

Important Information

By using GameDev.net, you agree to our community Guidelines, Terms of Use, and Privacy Policy.

We are the game development community.

Whether you are an indie, hobbyist, AAA developer, or just trying to learn, GameDev.net is the place for you to learn, share, and connect with the games industry. Learn more About Us or sign up!

Sign me up!