Game Development Community

Quad Performance Hit

by T. John Laird · in Technical Issues · 02/02/2008 (7:52 pm) · 2 replies

How much (if any) of a performance hit do you get when you draw both quads and triangles? The reason I'm asking is that I'm going to make a screensaver to teach myself OpenGL and it would be much less tedious to code if I used both quads and triangles instead of just triangles.

sp
NextNext Thread
PrevPrevious Thread
More from Technical Issues


Torque Owner Edward Smith
Silencersoft
#1
02/02/2008 (9:45 pm)
Well Quads are just converted in to Triangles on the GPU. The difference to having just triangles would be very minimal. You should look in to strips and fans, to speed it up :-)

Torque 3D Owner Pat Wilson
#2
02/03/2008 (8:00 am)
The biggest speed boost is from indexed primitives that have good vertex cache usage. The number of primitives, and the type of primitives, is not nearly as important (anymore) as it is that they are indexed, and indexed in a reasonable order.