[EMAIL PROTECTED] wrote: > CVSROOT: /cvs/mesa > Module name: Mesa > Repository: Mesa/src/mesa/drivers/dri/r300/ > Changes by: [EMAIL PROTECTED] 06/11/05 00:47:27 > > Log message: > Add sin instruction to fragment program. > > There is a bug somewhere in fragment program. > tri-cos and tri-sin show the bug. Also we > should not emit multiple time the same constant. > for sin,cos,lit have to fix that.
If you've taken the taylor series expansion from the i915 driver, then the bug is simply that there are too few terms in the series to give a good approximation of sin(x) over the whole 2pi range. It might be worth looking at either adding terms or reducing the range of the function that needs to be approximated. Keith ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ Mesa3d-dev mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/mesa3d-dev
