wined3d: Require independent blending to create a feature level 9.3 device.

dlls/wined3d/adapter_vk.c

@@ -2246,6 +2246,12 @@ static bool adapter_vk_init_driver_info(struct wined3d_adapter_vk *adapter_vk,
             adapter_vk->a.d3d_info.feature_level, vram_bytes, sysmem_bytes);
 }
 
+static bool feature_level_9_3_supported(const struct wined3d_physical_device_info *info, unsigned int shader_model)
+{
+    return shader_model >= 3
+            && info->features2.features.independentBlend;
+}
+
 static bool feature_level_10_supported(const struct wined3d_physical_device_info *info, unsigned int shader_model)
 {
     return shader_model >= 4
@@ -2269,7 +2275,7 @@ static enum wined3d_feature_level feature_level_from_caps(const struct wined3d_p
     if (shader_model <= 1)
         return WINED3D_FEATURE_LEVEL_8;
 
-    if (shader_model <= 2)
+    if (!feature_level_9_3_supported(info, shader_model))
         return WINED3D_FEATURE_LEVEL_9_2;
 
     if (!feature_level_10_supported(info, shader_model))