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

[Jason Ekstrand]

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 |
-- 
2.5.0.400.gff86faf