Module: Mesa
Branch: master
Commit: 49f999b9cb6ecb32cb27d10b47d234a176ae4c77
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=49f999b9cb6ecb32cb27d10b47d234a176ae4c77

Author: Jordan Justen <[email protected]>
Date:   Fri Mar 13 11:34:48 2015 -0700

i965/nir: Support gl_LocalInvocationID variable

Signed-off-by: Jordan Justen <[email protected]>
Reviewed-by: Kristian Høgsberg <[email protected]>

---

 src/mesa/drivers/dri/i965/brw_fs_nir.cpp |   17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp 
b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
index 8c3c4ae..286ec28 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
@@ -337,6 +337,13 @@ emit_system_values_block(nir_block *block, void 
*void_visitor)
                                  BRW_REGISTER_TYPE_D));
          break;
 
+      case nir_intrinsic_load_local_invocation_id:
+         assert(v->stage == MESA_SHADER_COMPUTE);
+         reg = &v->nir_system_values[SYSTEM_VALUE_LOCAL_INVOCATION_ID];
+         if (reg->file == BAD_FILE)
+            *reg = *v->emit_cs_local_invocation_id_setup();
+         break;
+
       default:
          break;
       }
@@ -1709,6 +1716,16 @@ fs_visitor::nir_emit_intrinsic(const fs_builder &bld, 
nir_intrinsic_instr *instr
          ((struct brw_cs_prog_data *) prog_data)->uses_barrier = true;
       break;
 
+   case nir_intrinsic_load_local_invocation_id: {
+      gl_system_value sv = nir_system_value_from_intrinsic(instr->intrinsic);
+      fs_reg val = nir_system_values[sv];
+      assert(val.file != BAD_FILE);
+      dest.type = val.type;
+      for (unsigned i = 0; i < 3; i++)
+         bld.MOV(offset(dest, bld, i), offset(val, bld, i));
+      break;
+   }
+
    default:
       unreachable("unknown intrinsic");
    }

_______________________________________________
mesa-commit mailing list
[email protected]
http://lists.freedesktop.org/mailman/listinfo/mesa-commit

Reply via email to