1 files changed, 77 insertions, 0 deletions
diff --git a/modules/vulkan/vk_instance.h b/modules/vulkan/vk_instance.h
new file mode 100644
index 0000000..b4b51d4
--- /dev/null
+++ b/modules/vulkan/vk_instance.h
@@ -0,0 +1,77 @@
+/*
+ * vk_instance.h - vulkan instance
+ *
+ *  Copyright (c) 2018 Intel Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Author: Wind Yuan <feng.yuan@intel.com>
+ */
+
+#ifndef XCAM_VK_INSTANCE_H
+#define XCAM_VK_INSTANCE_H
+
+#include <vulkan/vulkan_std.h>
+#include <xcam_mutex.h>
+
+namespace XCam {
+
+class VKInstance
+{
+public:
+    ~VKInstance ();
+    static SmartPtr<VKInstance> get_instance ();
+
+    VkInstance get_id () const {
+        return _instance_id;
+    }
+    VkPhysicalDevice get_physical_dev () const {
+        return _physical_device;
+    }
+    uint32_t get_compute_queue_family_idx () const {
+        return _compute_queue_family_idx;
+    }
+    uint32_t get_graphics_queue_family_idx () const {
+        return _graphics_queue_family_idx;
+    }
+    uint32_t get_mem_type_index (VkMemoryPropertyFlags prop) const;
+
+    SmartPtr<VkAllocationCallbacks> get_allocator () const {
+        return _allocator;
+    }
+
+private:
+    explicit VKInstance (VkInstance id, VkAllocationCallbacks *allocator);
+    static SmartPtr<VKInstance> create_instance ();
+    XCamReturn query_physical_info ();
+    XCamReturn query_queue_info ();
+
+private:
+    XCAM_DEAD_COPY (VKInstance);
+
+private:
+    static SmartPtr<VKInstance>      _instance;
+    static Mutex                     _instance_mutex;
+
+    VkInstance                       _instance_id;
+    SmartPtr<VkAllocationCallbacks>  _allocator;
+    VkPhysicalDevice                 _physical_device;
+    VkPhysicalDeviceProperties       _device_properties;
+    VkPhysicalDeviceMemoryProperties _dev_mem_properties;
+    uint32_t                         _compute_queue_family_idx;
+    uint32_t                         _graphics_queue_family_idx;
+};
+
+}
+
+#endif  //XCAM_VK_INSTANCE_H