1/*
2 * Copyright 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef LIBVULKAN_LAYERS_EXTENSIONS_H
18#define LIBVULKAN_LAYERS_EXTENSIONS_H 1
19
20#include <vulkan/vulkan.h>
21
22namespace vulkan {
23namespace api {
24
25struct Layer;
26
27class LayerRef {
28   public:
29    LayerRef(const Layer* layer);
30    LayerRef(LayerRef&& other);
31    ~LayerRef();
32    LayerRef(const LayerRef&) = delete;
33    LayerRef& operator=(const LayerRef&) = delete;
34
35    // provides bool-like behavior
36    operator const Layer*() const { return layer_; }
37
38    PFN_vkGetInstanceProcAddr GetGetInstanceProcAddr() const;
39    PFN_vkGetDeviceProcAddr GetGetDeviceProcAddr() const;
40
41   private:
42    const Layer* layer_;
43};
44
45void DiscoverLayers();
46
47uint32_t GetLayerCount();
48const Layer& GetLayer(uint32_t index);
49const Layer* FindLayer(const char* name);
50
51const VkLayerProperties& GetLayerProperties(const Layer& layer);
52bool IsLayerGlobal(const Layer& layer);
53const VkExtensionProperties* GetLayerInstanceExtensions(const Layer& layer,
54                                                        uint32_t& count);
55const VkExtensionProperties* GetLayerDeviceExtensions(const Layer& layer,
56                                                      uint32_t& count);
57
58const VkExtensionProperties* FindLayerInstanceExtension(const Layer& layer,
59                                                        const char* name);
60const VkExtensionProperties* FindLayerDeviceExtension(const Layer& layer,
61                                                      const char* name);
62
63LayerRef GetLayerRef(const Layer& layer);
64
65}  // namespace api
66}  // namespace vulkan
67
68#endif  // LIBVULKAN_LAYERS_EXTENSIONS_H
69