1 files changed, 10 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
index d6941fa..25240ad 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
@@ -59,6 +59,16 @@ fs_visitor::emit_vs_system_value(int location)
       reg->reg_offset = 3;
       vs_prog_data->uses_instanceid = true;
       break;
+   case SYSTEM_VALUE_DRAW_ID:
+      if (nir->info.system_values_read &
+          (BITFIELD64_BIT(SYSTEM_VALUE_BASE_VERTEX) |
+           BITFIELD64_BIT(SYSTEM_VALUE_BASE_INSTANCE) |
+           BITFIELD64_BIT(SYSTEM_VALUE_VERTEX_ID_ZERO_BASE) |
+           BITFIELD64_BIT(SYSTEM_VALUE_INSTANCE_ID)))
+         reg->nr += 4;
+      reg->reg_offset = 0;
+      vs_prog_data->uses_drawid = true;
+      break;
    default:
       unreachable("not reached");
    }