Józef Kucia : libs/vkd3d-shader: Introduce VKD3DSPR_INVALID.

[Alexandre Julliard]

Module: vkd3d
Branch: master
Commit: 83ce4553ea2bf08e2957b7ab2eb6833d93dbf377
URL:    https://source.winehq.org/git/vkd3d.git/?a=commit;h=83ce4553ea2bf08e2957b7ab...

Author: Józef Kucia <jkucia(a)codeweavers.com>
Date:   Fri Apr 13 12:37:37 2018 +0200

libs/vkd3d-shader: Introduce VKD3DSPR_INVALID.

Fixes clang warnings.

Signed-off-by: Józef Kucia <jkucia(a)codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet(a)codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>

---

 libs/vkd3d-shader/dxbc.c                 | 4 ++--
 libs/vkd3d-shader/vkd3d_shader_private.h | 2 ++
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/libs/vkd3d-shader/dxbc.c b/libs/vkd3d-shader/dxbc.c
index 0b5c3cf..5f87eae 100644
--- a/libs/vkd3d-shader/dxbc.c
+++ b/libs/vkd3d-shader/dxbc.c
@@ -1378,8 +1378,8 @@ static BOOL shader_sm4_read_param(struct vkd3d_sm4_data *priv, const DWORD **ptr
     token = *(*ptr)++;
 
     register_type = (token & VKD3D_SM4_REGISTER_TYPE_MASK) >> VKD3D_SM4_REGISTER_TYPE_SHIFT;
-    if (register_type >= sizeof(register_type_table) / sizeof(*register_type_table)
-            || register_type_table[register_type] == ~0u)
+    if (register_type >= ARRAY_SIZE(register_type_table)
+            || register_type_table[register_type] == VKD3DSPR_INVALID)
     {
         FIXME("Unhandled register type %#x.\n", register_type);
         param->type = VKD3DSPR_TEMP;
diff --git a/libs/vkd3d-shader/vkd3d_shader_private.h b/libs/vkd3d-shader/vkd3d_shader_private.h
index 04e6b09..09c2e1d 100644
--- a/libs/vkd3d-shader/vkd3d_shader_private.h
+++ b/libs/vkd3d-shader/vkd3d_shader_private.h
@@ -352,6 +352,8 @@ enum vkd3d_shader_register_type
     VKD3DSPR_COVERAGE,
     VKD3DSPR_SAMPLEMASK,
     VKD3DSPR_GSINSTID,
+
+    VKD3DSPR_INVALID = ~0u,
 };
 
 enum vkd3d_shader_resource_type