[try 2] wined3d: add zero/near zero vertex rhw special case

[Alexander Dorofeyev]

Thanks for feedback! Patch updated. I'll see what I can do with the test case.

H. Verbeet wrote:
   > On 25/12/2007, Alexander Dorofeyev <alexd4 at inbox.lv> wrote:
   >> +    if ((pos[3] < 1e-8) && (pos[3] > -1e-8))
   > You should probably use eps and -eps there, like the rest of the code does.
   > Also, please write a test case to prevent this from regressing in the future.

---
    dlls/wined3d/directx.c |    9 +++++++--
    1 files changed, 7 insertions(+), 2 deletions(-)


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