[Bug 91114] ES3-CTS.gtf.GL3Tests.shadow.shadow_execution_vert fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91114

--- Comment #3 from Tapani Pälli <lemody at gmail.com> ---
(In reply to Iago Toral from comment #2)
> These are the conformance tests, right? I don't think I have access to them. 

Yep, this is gles3 conformance.

> Tapani, can you check if this change
> inlower_texture_grad_visitor::visit_leave(ir_texture *ir) fixes the problem?:
> 
> -   if (ir->sampler->type->sampler_dimensionality == GLSL_SAMPLER_DIM_CUBE) {
> -      ir->lod_info.lod = expr(ir_binop_add,
> -                              expr(ir_unop_log2, rho),
> -                              new(mem_ctx) ir_constant(-1.0f));
> -   } else {
>        ir->lod_info.lod = expr(ir_unop_log2, rho);
> -   }
> 
> The special case for GLSL_SAMPLER_DIM_CUBE was needed for piglit and deqp
> textureGrad tests to pass, but if this is breaking a conformance test then 
> maybe there is some other factor to consider when adjusting the lod
> computation.

unfortunately did not fix the issue

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