From: Francisco Jerez <currojerez@riseup.net>
Date: Mon, 27 Jul 2015 13:25:55 +0000 (+0300)
Subject: i965/fs: Translate memory barrier NIR intrinsics.
X-Git-Tag: upstream/17.1.0~17312
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7cb60d770fc24bf00b6f7e5898cca1426e55c026;p=platform%2Fupstream%2Fmesa.git

i965/fs: Translate memory barrier NIR intrinsics.

Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
---

diff --git a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
index 6d22faa..722e4e7 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
@@ -1287,6 +1287,13 @@ fs_visitor::nir_emit_intrinsic(const fs_builder &bld, nir_intrinsic_instr *instr
       break;
    }
 
+   case nir_intrinsic_memory_barrier: {
+      const fs_reg tmp = bld.vgrf(BRW_REGISTER_TYPE_UD, 16 / dispatch_width);
+      bld.emit(SHADER_OPCODE_MEMORY_FENCE, tmp)
+         ->regs_written = 2;
+      break;
+   }
+
    case nir_intrinsic_load_front_face:
       bld.MOV(retype(dest, BRW_REGISTER_TYPE_D),
               *emit_frontfacing_interpolation());