[Mesa-dev] GL/GLSL tests for GL 4.0 and newer

[Marek Olšák]

ARB_tessellation_shader

We have some tests, but it's not enough to say that it works.

Marek

On Wed, Mar 11, 2015 at 11:25 PM, Ilia Mirkin <imirkin at alum.mit.edu> wrote:
> On Wed, Mar 11, 2015 at 6:17 PM, Dave Airlie <airlied at gmail.com> wrote:
>> On 12 March 2015 at 08:07, Ian Romanick <idr at freedesktop.org> wrote:
>>> On 03/09/2015 12:18 AM, Ishara Abeysekera wrote:
>>>> /I am interested on write tests for OpenGL 4.0 /GLSL 4.00 .
>>>> /
>>>> /But can you be more specify what areas you are expecting to be tested,
>>>
>>> I haven't examined the API side very closely, but I know of a few things
>>> in the shading language that need tests.  For most of the things, there
>>> is absolutely no support in Mesa yet.
>>>
>>> We have no tests for GL_ARB_shader_subroutine.
>>>
>>> It would also be good to have tests to verify that features from other
>>> extensions (e.g., GL_ARB_gpu_shader5 and GL_ARB_gpu_shader_fp64) are
>>> enabled in #version 400 shaders.  The should be simple "touch" tests
>>> since we already have good tests for the extensions.  For example, you
>>> might add a glslparsertest test that tries every possible overload of
>>> uaddCarry.
>>>
>>> I don't think we have any tests for GL_ARB_vertex_attrib_64bit.  It's a
>>> GL 4.1 feature, but it will probably get done before the other missing
>>> 4.0 features.
>>
>> there are some initial ones I posted and in my piglit tree somewhere,
>> but there is definitely a need for more and validated against the
>> binary drivers.
>>
>> also thing like internal_format_query2 need a truck of tests,
>> and probably enhanced_layouts.
>
> Other fun extensions that will need a ton of tests:
>
> ARB_shader_storage_buffer_object
> ARB_compute_shader (which is somewhat in progress AFAIK, but very
> limited test coverage atm)
>
> And smaller extensions... would probably have to do a bunch of them up
> to make a single GSoC:
>
> ARB_get_texture_sub_image
> ARB_query_buffer_object
> ARB_texture_stencil8
> ARB_framebuffer_no_attachments
>
> You can look at
> http://cgit.freedesktop.org/mesa/mesa/tree/docs/GL3.txt to see which
> core extensions mesa supports. It's most common that there are tests
> for supported extensions and no tests for unsupported extensions (but
> check the piglit repo before assuming that... e.g. there are a lot of
> ARB_shader_image_load_store tests even though it's not presently
> supported by any driver).
>
>   -ilia
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