[Piglit] [PATCH] Test case on rendering with only fragment shader but no vertex shader.

[Zhao, Jian J]

> -----Original Message-----
> From: Ian Romanick [mailto:idr at freedesktop.org]
> Sent: Thursday, November 03, 2011 5:27 AM
> To: Zhao, Jian J
> Cc: piglit at lists.freedesktop.org
> Subject: Re: [Piglit] [PATCH] Test case on rendering with only fragment
> shader but no vertex shader.
> 
> Hi guys.
> 
> As my comments in Mesa bug #42461 say, this test is just plain broken.
> Specifically, the call to piglit_ortho_projection causes the draw call
> to draw a quarter pixel at the lower left corner of the window.  Since
> the probe call checks the pixel in the middle of the window, it
> naturally fails.  Deleting the call to piglit_ortho_projection causes
> the test to pass.
> 
> For the time being, I'm going to NAK the whole test.  I think we need a
> comprehensive set of "missing" stage shader tests.  I don't think adding
> a single, one-off test now does much for us.  Does that seem reasonable?

Hi Ian, 
 Yes, you are right. Thanks for your help! 


Best regards
ZhaoJian