[Mesa-stable] [PATCH 17/21] intel/nir: Add a helper for getting the NoIndirect mask

[Andres Gomez]

Jason, this series of nominated commits landed without mentioning any
specific stable queue.

>From what I'm seeing, they depend on 379b24a40d3 which didn't make it
for 17.2 so I'm dropping the 3 of them for that queue:

7364f080f9a272323ed3491f278a1eed3eb9b1a7 (intel/nir: Add a helper for getting the NoIndirect mask)
3e63cf893f096a7263eb1856d58417dd2d170d4b (intel/nir: Break the linking code into a helper in brw_nir.c)
951a5dc4cc29da996b54ae63eeba1915a3a65b4a (intel/nir: Use the correct indirect lowering masks in link_shaders)

Let me know what you think.


On Sat, 2017-10-28 at 11:36 -0700, Jason Ekstrand wrote:
> Cc: mesa-stable at lists.freedesktop.org
> ---
>  src/intel/compiler/brw_nir.c | 33 +++++++++++++++++++--------------
>  1 file changed, 19 insertions(+), 14 deletions(-)
> 
> diff --git a/src/intel/compiler/brw_nir.c b/src/intel/compiler/brw_nir.c
> index e5ff6de..2d4ab50 100644
> --- a/src/intel/compiler/brw_nir.c
> +++ b/src/intel/compiler/brw_nir.c
> @@ -521,18 +521,29 @@ brw_nir_lower_cs_shared(nir_shader *nir)
>     this_progress;                                          \
>  })
>  
> -nir_shader *
> -brw_nir_optimize(nir_shader *nir, const struct brw_compiler *compiler,
> -                 bool is_scalar)
> +static nir_variable_mode
> +brw_nir_no_indirect_mask(const struct brw_compiler *compiler,
> +                         gl_shader_stage stage)
>  {
>     nir_variable_mode indirect_mask = 0;
> -   if (compiler->glsl_compiler_options[nir->info.stage].EmitNoIndirectInput)
> +
> +   if (compiler->glsl_compiler_options[stage].EmitNoIndirectInput)
>        indirect_mask |= nir_var_shader_in;
> -   if (compiler->glsl_compiler_options[nir->info.stage].EmitNoIndirectOutput)
> +   if (compiler->glsl_compiler_options[stage].EmitNoIndirectOutput)
>        indirect_mask |= nir_var_shader_out;
> -   if (compiler->glsl_compiler_options[nir->info.stage].EmitNoIndirectTemp)
> +   if (compiler->glsl_compiler_options[stage].EmitNoIndirectTemp)
>        indirect_mask |= nir_var_local;
>  
> +   return indirect_mask;
> +}
> +
> +nir_shader *
> +brw_nir_optimize(nir_shader *nir, const struct brw_compiler *compiler,
> +                 bool is_scalar)
> +{
> +   nir_variable_mode indirect_mask =
> +      brw_nir_no_indirect_mask(compiler, nir->info.stage);
> +
>     bool progress;
>     do {
>        progress = false;
> @@ -639,14 +650,8 @@ brw_preprocess_nir(const struct brw_compiler *compiler, nir_shader *nir)
>  
>     OPT(nir_lower_clip_cull_distance_arrays);
>  
> -   nir_variable_mode indirect_mask = 0;
> -   if (compiler->glsl_compiler_options[nir->info.stage].EmitNoIndirectInput)
> -      indirect_mask |= nir_var_shader_in;
> -   if (compiler->glsl_compiler_options[nir->info.stage].EmitNoIndirectOutput)
> -      indirect_mask |= nir_var_shader_out;
> -   if (compiler->glsl_compiler_options[nir->info.stage].EmitNoIndirectTemp)
> -      indirect_mask |= nir_var_local;
> -
> +   nir_variable_mode indirect_mask =
> +      brw_nir_no_indirect_mask(compiler, nir->info.stage);
>     nir_lower_indirect_derefs(nir, indirect_mask);
>  
>     nir_lower_int64(nir, nir_lower_imul64 |
-- 
Br,

Andres