[PATCH v2 3/3] win32u: Prefer Vulkan UUIDs over empty ones.

[Krzysztof Bogacki]

From: Krzysztof Bogacki

Signed-off-by: Krzysztof Bogacki 
---
 dlls/win32u/sysparams.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/dlls/win32u/sysparams.c b/dlls/win32u/sysparams.c
index 6492eef8266..357e9af3c2a 100644
--- a/dlls/win32u/sysparams.c
+++ b/dlls/win32u/sysparams.c
@@ -1217,6 +1217,8 @@ static void add_gpu( const char *name, const struct pci_id *pci_id, const GUID *
     HKEY hkey, subkey;
     DWORD len;

+    static const GUID empty_uuid;
+
     TRACE( "%s %04X %04X %08X %02X\n", debugstr_a( name ), pci_id->vendor, pci_id->device,
            pci_id->subsystem, pci_id->revision );

@@ -1246,7 +1248,7 @@ static void add_gpu( const char *name, const struct pci_id *pci_id, const GUID *
                debugstr_guid(&vulkan_gpu->uuid), debugstr_a(vulkan_gpu->name));
     }

-    if (vulkan_uuid) ctx->gpu.vulkan_uuid = *vulkan_uuid;
+    if (vulkan_uuid && !IsEqualGUID( vulkan_uuid, &empty_uuid )) ctx->gpu.vulkan_uuid = *vulkan_uuid;
     else if (vulkan_gpu) ctx->gpu.vulkan_uuid = vulkan_gpu->uuid;

if (!pci_id->vendor && !pci_id->device && vulkan_gpu) pci_id = &vulkan_gpu->pci_id;