Matteo Bruni : wined3d: Fix stateblock viewports memcmp() size.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 993c85050e7830cedf8512e143b554d1107a85e9
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=993c85050e7830cedf8512e143b554d1107a85e9

Author: Matteo Bruni <mbruni at codeweavers.com>
Date:   Wed Apr 18 01:32:15 2018 +0200

wined3d: Fix stateblock viewports memcmp() size.

Signed-off-by: Matteo Bruni <mbruni at codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/wined3d/stateblock.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/dlls/wined3d/stateblock.c b/dlls/wined3d/stateblock.c
index 23a615f..4ad0331 100644
--- a/dlls/wined3d/stateblock.c
+++ b/dlls/wined3d/stateblock.c
@@ -810,9 +810,12 @@ void CDECL wined3d_stateblock_capture(struct wined3d_stateblock *stateblock)
         stateblock->state.material = src_state->material;
     }
 
+    assert(src_state->viewport_count <= 1);
+
     if (stateblock->changed.viewport
             && (src_state->viewport_count != stateblock->state.viewport_count
-            || memcmp(src_state->viewports, stateblock->state.viewports, src_state->viewport_count * sizeof(stateblock->state.viewports))))
+            || memcmp(src_state->viewports, stateblock->state.viewports,
+            src_state->viewport_count * sizeof(*stateblock->state.viewports))))
     {
         TRACE("Updating viewports.\n");