[PATCH 1/7] wined3d: Validate render state in wined3d_device_set_render_state().

[Józef Kucia]

Signed-off-by: Józef Kucia <jkucia at codeweavers.com>
---
For bug 33988.
---
 dlls/wined3d/device.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/dlls/wined3d/device.c b/dlls/wined3d/device.c
index 97586f4..e937abc 100644
--- a/dlls/wined3d/device.c
+++ b/dlls/wined3d/device.c
@@ -2032,10 +2032,17 @@ static void resolve_depth_buffer(struct wined3d_state *state)
 void CDECL wined3d_device_set_render_state(struct wined3d_device *device,
         enum wined3d_render_state state, DWORD value)
 {
-    DWORD old_value = device->state.render_states[state];
+    DWORD old_value;
 
     TRACE("device %p, state %s (%#x), value %#x.\n", device, debug_d3drenderstate(state), state, value);
 
+    if (state > WINEHIGHEST_RENDER_STATE)
+    {
+        WARN("Unhandled render state %#x.\n", state);
+        return;
+    }
+
+    old_value = device->state.render_states[state];
     device->update_state->render_states[state] = value;
 
     /* Handle recording of state blocks. */
-- 
2.4.10