d3d8/tests: Fix a test failure with Win10 WARP.

dlls/d3d8/tests/device.c

@@ -6497,6 +6497,7 @@ out:
 
 static void test_update_volumetexture(void)
 {
+    D3DADAPTER_IDENTIFIER8 identifier;
     IDirect3DDevice8 *device;
     IDirect3D8 *d3d8;
     HWND window;
@@ -6506,6 +6507,7 @@ static void test_update_volumetexture(void)
     D3DLOCKED_BOX locked_box;
     ULONG refcount;
     D3DCAPS8 caps;
+    BOOL is_warp;
     static const struct
     {
         D3DPOOL src_pool, dst_pool;
@@ -6554,6 +6556,9 @@ static void test_update_volumetexture(void)
     window = create_window();
     d3d8 = Direct3DCreate8(D3D_SDK_VERSION);
     ok(!!d3d8, "Failed to create a D3D object.\n");
+    hr = IDirect3D8_GetAdapterIdentifier(d3d8, D3DADAPTER_DEFAULT, 0, &identifier);
+    ok(SUCCEEDED(hr), "Failed to get adapter identifier, hr %#x.\n", hr);
+    is_warp = adapter_is_warp(&identifier);
     if (!(device = create_device(d3d8, window, NULL)))
     {
         skip("Failed to create a D3D device, skipping tests.\n");
@@ -6624,7 +6629,8 @@ static void test_update_volumetexture(void)
 
         hr = IDirect3DDevice8_UpdateTexture(device, (IDirect3DBaseTexture8 *)src, (IDirect3DBaseTexture8 *)dst);
         todo_wine_if (FAILED(hr))
-            ok(SUCCEEDED(hr), "Failed to update texture, hr %#x, case %u.\n", hr, i);
+            ok(SUCCEEDED(hr) || (is_warp && (i == 6 || i == 7)), /* Fails with Win10 WARP driver */
+                    "Failed to update texture, hr %#x, case %u.\n", hr, i);
 
         IDirect3DVolumeTexture8_Release(src);
         IDirect3DVolumeTexture8_Release(dst);