nir: Store gl_shader_stage in nir_shader.

This makes it easy for NIR passes to inspect what kind of shader they're
operating on.

Thanks to Michel Dänzer for helping me figure out where TGSI stores the
shader stage information.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
Reviewed-by: Eric Anholt <eric@anholt.net>

1 files changed, 3 insertions, 1 deletions

diff --git a/src/mesa/program/prog_to_nir.c b/src/mesa/program/prog_to_nir.c
index 9d4af12..29ff638 100644
--- a/src/mesa/program/prog_to_nir.c
+++ b/src/mesa/program/prog_to_nir.c
@@ -33,6 +33,7 @@
 #include "prog_instruction.h"
 #include "prog_parameter.h"
 #include "prog_print.h"
+#include "program.h"
 
 /**
  * \file prog_to_nir.c
@@ -1081,11 +1082,12 @@ prog_to_nir(const struct gl_program *prog,
 {
    struct ptn_compile *c;
    struct nir_shader *s;
+   gl_shader_stage stage = _mesa_program_enum_to_shader_stage(prog->Target);
 
    c = rzalloc(NULL, struct ptn_compile);
    if (!c)
       return NULL;
-   s = nir_shader_create(NULL, options);
+   s = nir_shader_create(NULL, stage, options);
    if (!s)
       goto fail;
    c->prog = prog;