Mesa (master): i965/fs: Implement load_layer_id for fragment shaders

[Jason Ekstrand]

Module: Mesa
Branch: master
Commit: 2e311e421122e0232987fdca3645c6bd39fe2470
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=2e311e421122e0232987fdca3645c6bd39fe2470

Author: Jason Ekstrand <jason.ekstrand at intel.com>
Date:   Tue Nov 15 15:18:32 2016 -0800

i965/fs: Implement load_layer_id for fragment shaders

Reviewed-by: Jordan Justen <jordan.l.justen at intel.com>

---

 src/mesa/drivers/dri/i965/brw_fs_nir.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
index 82e22c2..c88fa77 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
@@ -3259,6 +3259,11 @@ fs_visitor::nir_emit_fs_intrinsic(const fs_builder &bld,
       break;
    }
 
+   case nir_intrinsic_load_layer_id:
+      dest.type = BRW_REGISTER_TYPE_UD;
+      bld.MOV(dest, fetch_render_target_array_index(bld));
+      break;
+
    case nir_intrinsic_load_helper_invocation:
    case nir_intrinsic_load_sample_mask_in:
    case nir_intrinsic_load_sample_id: {