[Piglit] [PATCH 0/6] First batch of geometry shader tests.

Anuj Phogat anuj.phogat at gmail.com
Fri Feb 15 13:14:58 PST 2013

On Thu, Feb 14, 2013 at 8:50 AM, Paul Berry <stereotype441 at gmail.com> wrote:
> This patch series modifies shader_runner and glslparsertest to be able
> to test geometry shaders.  Then it adds basic geometry shader sanity
> tests.  Finally, the code-generated tests for built-in functions are
> modified so that they produce geometry shader variants.
> This is by no means a thorough test of geometry shader functionality,
> but it should be sufficient to let us start doing basic geometry
> shader development in Mesa.
> Note that there are two ways in which an implementation may expose
> geometry shader support: via GLSL 1.50 or via ARB_geometry_shader4.
> After some discussion on IRC yesterday, I've provisionally decided to
> write most of the geometry shader tests using ARB_geometry_shader4,
> and then only supply GLSL-1.50-based tests for basic santy testing and
> to cover the cases where GLSL 1.50 and ARB_geometry_shader4 differ.
> Rationale: (a) Mesa is likely to implement ARB_geometry_shader4
> support before GLSL 1.50 support (since Bryan Cain already has some
> work-in-progress geometry shader patches that use
> ARB_geometry_shader4).  (b) there are likely to be some
> implementations that support geometry shaders but not GLSL 1.50
> (e.g. Mesa softpipe, or i965 Gen5); writing most of the tests for
> ARB_geometry_shader4 ensures that those implementations are
> well-covered.
> Accordingly, in this patch series, patch 5/6 (which adds basic sanity
> tests) adds tests for both ARB_geometry_shader4 and GLSL 1.50, but
> patch 6/6 (which adds code-generated tests for built-in functions and
> operations) is written entirely using ARB_geometry_shader4.
> [PATCH 1/6] shader_runner and glslparsertest: choose GL version more accurately.
> [PATCH 2/6] shader_runner: Remove unimplemented geometry_program vestiges.
> [PATCH 3/6] shader_runner: Add support for testing geometry shaders.
> [PATCH 4/6] glslparsertest: Add support for testing geometry shaders.
> [PATCH 5/6] Basic geometry shader sanity tests.
> [PATCH 6/6] Add geometry testing to code-generated tests.
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Patches 1-5 are Reviewed-by: Anuj Phogat <anuj.phogat at gmail.com>
I'm not familiar with code-generated tests in piglit. So, I'm not planning to
review PATCH 6/6.

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