[PATCH v3 3/6] win32u: Keep a list of vulkan GPUS in the device manager context.

[Rémi Bernon]

From: Rémi Bernon

---
 dlls/win32u/d3dkmt.c         | 59 ++++++++++++++++++++++++++++++------
 dlls/win32u/sysparams.c      | 12 +++++++-
 dlls/win32u/win32u_private.h | 11 +++++++
 3 files changed, 72 insertions(+), 10 deletions(-)

diff --git a/dlls/win32u/d3dkmt.c b/dlls/win32u/d3dkmt.c
index e75a29e0934..a016c735f13 100644
--- a/dlls/win32u/d3dkmt.c
+++ b/dlls/win32u/d3dkmt.c
@@ -189,28 +189,36 @@ NTSTATUS WINAPI NtGdiDdDDIOpenAdapterFromDeviceName( D3DKMT_OPENADAPTERFROMDEVIC
     return STATUS_SUCCESS;
 }

-static VkPhysicalDevice get_vulkan_physical_device( const GUID *uuid )
+static UINT get_vulkan_physical_devices( VkPhysicalDevice **devices )
 {
-    VkPhysicalDevice *devices, device;
-    UINT device_count, i;
+    UINT device_count;
     VkResult vr;

if ((vr = pvkEnumeratePhysicalDevices( d3dkmt_vk_instance, &device_count, NULL )))
     {
         WARN( "vkEnumeratePhysicalDevices returned %d\n", vr );
-        return VK_NULL_HANDLE;
+        return 0;
     }

-    if (!device_count || !(devices = malloc( device_count * sizeof(*devices) )))
-        return VK_NULL_HANDLE;
+    if (!device_count || !(*devices = malloc( device_count * sizeof(**devices) ))) return 0;

-    if ((vr = pvkEnumeratePhysicalDevices( d3dkmt_vk_instance, &device_count, devices )))
+    if ((vr = pvkEnumeratePhysicalDevices( d3dkmt_vk_instance, &device_count, *devices )))
     {
         WARN( "vkEnumeratePhysicalDevices returned %d\n", vr );
-        free( devices );
-        return VK_NULL_HANDLE;
+        free( *devices );
+        return 0;
     }

+    return device_count;
+}
+
+static VkPhysicalDevice get_vulkan_physical_device( const GUID *uuid )
+{
+    VkPhysicalDevice *devices, device;
+    UINT device_count, i;
+
+    if (!(device_count = get_vulkan_physical_devices( &devices ))) return VK_NULL_HANDLE;
+
     for (i = 0, device = VK_NULL_HANDLE; i < device_count; ++i)
     {
         VkPhysicalDeviceIDProperties id = {.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_ID_PROPERTIES};
@@ -549,3 +557,36 @@ NTSTATUS WINAPI NtGdiDdDDICheckVidPnExclusiveOwnership( const D3DKMT_CHECKVIDPNE
     pthread_mutex_unlock( &d3dkmt_lock );
     return STATUS_SUCCESS;
 }
+
+BOOL get_vulkan_gpus( struct list *gpus )
+{
+    VkPhysicalDevice *devices;
+    UINT i, count;
+
+    if (!d3dkmt_use_vulkan()) return FALSE;
+    if (!(count = get_vulkan_physical_devices( &devices ))) return FALSE;
+
+    for (i = 0; i < count; ++i)
+    {
+        VkPhysicalDeviceIDProperties id = {.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_ID_PROPERTIES};
+        VkPhysicalDeviceProperties2 properties2 = {.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROPERTIES_2, .pNext = &id};
+        struct vulkan_gpu *gpu;
+
+        if (!(gpu = calloc( 1, sizeof(*gpu) ))) break;
+        pvkGetPhysicalDeviceProperties2KHR( devices[i], &properties2 );
+        memcpy( &gpu->uuid, id.deviceUUID, sizeof(gpu->uuid) );
+        gpu->name = strdup( properties2.properties.deviceName );
+        gpu->pci_id.vendor = properties2.properties.vendorID;
+        gpu->pci_id.device = properties2.properties.deviceID;
+        list_add_tail( gpus, &gpu->entry );
+    }
+
+    free( devices );
+    return TRUE;
+}
+
+void free_vulkan_gpu( struct vulkan_gpu *gpu )
+{
+    free( gpu->name );
+    free( gpu );
+}
diff --git a/dlls/win32u/sysparams.c b/dlls/win32u/sysparams.c
index 02d9a30f29f..5fd31275837 100644
--- a/dlls/win32u/sysparams.c
+++ b/dlls/win32u/sysparams.c
@@ -932,6 +932,7 @@ struct device_manager_ctx
     struct gpu gpu;
     struct source source;
     HKEY source_key;
+    struct list vulkan_gpus;
     /* for the virtual desktop settings */
     BOOL is_primary;
     DEVMODEW primary;
@@ -1487,6 +1488,13 @@ static void release_display_manager_ctx( struct device_manager_ctx *ctx )
         last_query_display_time = 0;
     }
     if (ctx->gpu_count) cleanup_devices();
+
+    while (!list_empty( &ctx->vulkan_gpus ))
+    {
+        struct vulkan_gpu *gpu = LIST_ENTRY( list_head( &ctx->vulkan_gpus ), struct vulkan_gpu, entry );
+        list_remove( &gpu->entry );
+        free_vulkan_gpu( gpu );
+    }
 }

static void clear_display_devices(void)
@@ -1938,7 +1946,7 @@ BOOL update_display_cache( BOOL force )
     static const WCHAR wine_service_station_name[] =
         {'_','_','w','i','n','e','s','e','r','v','i','c','e','_','w','i','n','s','t','a','t','i','o','n',0};
     HWINSTA winstation = NtUserGetProcessWindowStation();
-    struct device_manager_ctx ctx = {0};
+    struct device_manager_ctx ctx = {.vulkan_gpus = LIST_INIT(ctx.vulkan_gpus)};
     UINT status;
     WCHAR name[MAX_PATH];

@@ -1953,6 +1961,8 @@ BOOL update_display_cache( BOOL force )
         return TRUE;
     }

+    if (!get_vulkan_gpus( &ctx.vulkan_gpus )) WARN( "Failed to find any vulkan GPU\n" );
+
     status = update_display_devices( force, &ctx );

release_display_manager_ctx( &ctx );
diff --git a/dlls/win32u/win32u_private.h b/dlls/win32u/win32u_private.h
index 24e8b1b498d..849c39e65da 100644
--- a/dlls/win32u/win32u_private.h
+++ b/dlls/win32u/win32u_private.h
@@ -190,6 +190,17 @@ extern BOOL update_display_cache( BOOL force );
 extern void user_lock(void);
 extern void user_unlock(void);
 extern void user_check_not_lock(void);
+
+struct vulkan_gpu
+{
+    struct list entry;
+    struct pci_id pci_id;
+    char *name;
+    GUID uuid;
+};
+
+extern BOOL get_vulkan_gpus( struct list *gpus );
+extern void free_vulkan_gpu( struct vulkan_gpu *gpu );
 extern BOOL get_vulkan_uuid_from_luid( const LUID *luid, GUID *uuid );

/* winstation.c */