[Piglit] [PATCH] glean: remove line drawing code from fbo test

[Eric Anholt]

Brian Paul <brianp at vmware.com> writes:

> The glean fbo test exercises rendering to 1D, 2D, 3D and cube images
> attached to FBOs.  For the 1D texture case, the rendering is done with
> a line, rather than a polygon.  Since the 1D image is one pixel high,
> the slightest mis-rasterization of the line will cause it to be clipped
> and the test to fail.
>
> Just fall through to the polygon drawing code to avoid that issue.
> Less code too.

If you just remove the whole switch statement around the POLYGON drawing
code, this would get my r-b. :)

I like this.  Test line rasterization only in something that's about
lines -- they're tricky to test well, and we've had plenty of trouble
with this draw call.
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