[Mesa-dev] [PATCH v3 12/12] nvc0: enable compute shaders on GK104 and GM107+

Ilia Mirkin imirkin at alum.mit.edu
Fri Apr 1 17:28:24 UTC 2016

On Fri, Apr 1, 2016 at 1:26 PM, Martin Peres <martin.peres at free.fr> wrote:
> On 01/04/16 19:56, Samuel Pitoiset wrote:
>> Compute support on GK110 is still unstable for weird reasons, but
>> this can be fixed later as the NVF0_COMPUTE envvar prevent using
>> compute.
>> Note that GL3.txt is not updated yet because GL_ARB_compute_shader is
>> a bit useless without ARB_shader_image_load_store.
> That does not seem like a good reason to me, GL3.txt is for developers, not
> users.  So it actually is misleading if the feature is there, but not shown
> in GL3.txt.
> Moreover, you can use SSBO and atomics on it so the feature *is* usable.

Sure, it's usable, but we don't expose the ext for now (due to the ext
requiring GL 4.2, and GL 4.2 having images -- every compute shader
I've seen uses images). So it's only usable with overrides. I'd be
fine with flipping it in GL3.txt though... wtvr.

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