[Beignet] Copyright problems in test suite

[Zhigang Gong]

On Thu, Oct 30, 2014 at 11:18:47PM +0000, Rebecca N. Palmer wrote:
> The Beignet test suite contains two groups of files that do not
> appear consistent with the project's LGPL license:
> 
> 1. Derived from the Len(n)a standard test image:
> kernels/lenna128x128.bmp kernels/compiler_box_blur_float_ref.bmp
> kernels/compiler_box_blur_ref.bmp
> This is not generally distributable
> (https://bugs.debian.org/758442), and can simply be replaced by an
> arbitrary input image and its corresponding expected outputs.

Thanks for pointing this out. I just sent two patches to fix this
issue. The solution is to use a picture made by myself. Please check
and review the two patches. Thanks.

> 
> 2. Derived from Shadertoy shaders (stated in
> utests/compiler_shader_toy.cpp):
> kernels/compiler_chocolux.cl kernels/compiler_chocolux_ref.bmp
> kernels/compiler_clod.cl kernels/compiler_clod_function_call.cl
> kernels/compiler_clod_ref.bmp kernels/compiler_julia.cl
> kernels/compiler_julia_function_call.cl
> kernels/compiler_julia_no_break.cl
> kernels/compiler_julia_no_break_ref.bmp
> kernels/compiler_julia_ref.bmp kernels/compiler_mandelbrot.cl
> kernels/compiler_mandelbrot_alternate.cl
> kernels/compiler_mandelbrot_alternate_ref.bmp
> kernels/compiler_mandelbrot_ref.bmp
> kernels/compiler_menger_sponge.cl
> kernels/compiler_menger_sponge_no_shadow.cl
> kernels/compiler_menger_sponge_no_shadow_ref.bmp
> kernels/compiler_menger_sponge_ref.bmp kernels/compiler_nautilus.cl
> kernels/compiler_nautilus_ref.bmp kernels/compiler_ribbon.cl
> kernels/compiler_ribbon_ref.bmp
> These particular shaders are no longer on Shadertoy, but the default
> license there is CC-BY-NC-SA (https://www.shadertoy.com/terms).
> What license are these under?
> As these are tests, they can be removed if necessary.

I just did some search and can't find the original license for
these shaders when Ben introduced them more than 2 years ago.
Is there anybody can find the original license for these shaders?

If finally we can't determin whether it compatible with LGPL,
we will have to remove them.

Thanks,
Zhigang Gong.

> 
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