Kenneth Graunke <kenn...@whitecape.org> writes: > Compute shaders require reconfiguring the L3 for shared local memory > support. We have to be able to write the L3 registers to do that. > > This effectively turns off compute shaders prior to Kernel 4.2. > > (Previously, the extension enable was in an API_OPENGL_CORE conditional. > However, that isn't necessary - core Mesa extension handling already > restricts it properly. I've moved it out in this patch.) > > Signed-off-by: Kenneth Graunke <kenn...@whitecape.org>
LGTM, Reviewed-by: Francisco Jerez <curroje...@riseup.net> > --- > src/mesa/drivers/dri/i965/intel_extensions.c | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) > > Tested with Kernel 3.18 (no longer enabled) and 4.3 (still enabled) > on a Haswell laptop. > > diff --git a/src/mesa/drivers/dri/i965/intel_extensions.c > b/src/mesa/drivers/dri/i965/intel_extensions.c > index e1338e9..889f7cb 100644 > --- a/src/mesa/drivers/dri/i965/intel_extensions.c > +++ b/src/mesa/drivers/dri/i965/intel_extensions.c > @@ -346,6 +346,9 @@ intelInitExtensions(struct gl_context *ctx) > ctx->Extensions.ARB_transform_feedback3 = true; > ctx->Extensions.ARB_transform_feedback_instanced = true; > > + if (ctx->Const.MaxComputeWorkGroupSize[0] >= 1024) > + ctx->Extensions.ARB_compute_shader = true; > + > if (brw->intelScreen->cmd_parser_version >= 2) > brw->predicate.supported = true; > } > @@ -357,8 +360,6 @@ intelInitExtensions(struct gl_context *ctx) > ctx->Extensions.ARB_viewport_array = true; > ctx->Extensions.AMD_vertex_shader_viewport_index = true; > ctx->Extensions.ARB_shader_subroutine = true; > - if (ctx->Const.MaxComputeWorkGroupSize[0] >= 1024) > - ctx->Extensions.ARB_compute_shader = true; > } > } > > -- > 2.2.2 > > _______________________________________________ > mesa-dev mailing list > mesa-dev@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/mesa-dev
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