nir: Store num_direct_uniforms in the nir_shader.

Storing this here is pretty sketchy - I don't know if any driver other
than i965 will want to use it.  But this will make it a lot easier to
generate NIR code at link time.  We'll probably rework it anyway.

(Ian suggested making nir_assign_var_locations_scalar_direct_first
 simply modify the nir_shader's fields, rather than passing pointers
 to them.  If this stays long term, we should do that.  But Jason and
 I suspect we'll be reworking this area again in the near future.)

Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]>

1 files changed, 3 insertions, 0 deletions

diff --git a/src/glsl/nir/nir.h b/src/glsl/nir/nir.h
index 653123780ff..2d1d870b1f8 100644
--- a/src/glsl/nir/nir.h
+++ b/src/glsl/nir/nir.h
@@ -1431,6 +1431,9 @@ typedef struct nir_shader {
     * access plus one
     */
    unsigned num_inputs, num_uniforms, num_outputs;
+
+   /** the number of uniforms that are only accessed directly */
+   unsigned num_direct_uniforms;
 } nir_shader;
 
 #define nir_foreach_overload(shader, overload)                        \