wined3d: Do not copy surface region when empty box is passed.

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

wined3d: Do not copy surface region when empty box is passed.
cd243969 · Józef Kucia · Alexandre Julliard · ccbe3a58 · cd243969
Commit cd243969 authored Jan 19, 2016 by Józef Kucia Committed by Alexandre Julliard Jan 22, 2016
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device.c dlls/wined3d/device.c +8 -0

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--- a/dlls/wined3d/device.c
+++ b/dlls/wined3d/device.c
@@ -4004,6 +4004,14 @@ HRESULT CDECL wined3d_device_copy_sub_resource_region(struct wined3d_device *dev

    if (src_box)
    {
+        if (src_box->front >= src_box->back)
+        {
+            WARN("Invalid box (%u, %u, %u)->(%u, %u, %u) specified.\n",
+                    src_box->left, src_box->top, src_box->front,
+                    src_box->right, src_box->bottom, src_box->back);
+            return WINED3DERR_INVALIDCALL;
+        }
+
        src_rect.left = src_box->left;
        src_rect.top = src_box->top;
        src_rect.right = src_box->right;