1/*
2 * Copyright (C) 2016 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 RSOV_CONTEXT_H
18#define RSOV_CONTEXT_H
19
20#include <vulkan/vulkan.h>
21#include <mutex>
22
23namespace android {
24namespace renderscript {
25
26namespace rsov {
27
28class RSoVContext {
29 public:
30  static RSoVContext* create();
31  ~RSoVContext();
32
33  VkDevice getDevice() const { return mDevice; }
34  VkQueue getQueue() const { return mQueue; }
35  VkCommandPool getCmdPool() const { return mCmdPool; }
36
37  bool MemoryTypeFromProperties(uint32_t typeBits, VkFlags requirements_mask,
38                                uint32_t* typeIndex);
39
40 private:
41  RSoVContext();
42
43  bool Initialize(char const* const name);
44
45  static RSoVContext* mContext;
46  static std::once_flag mInitFlag;
47
48  VkInstance mInstance;
49  VkPhysicalDevice mGPU;
50  VkDevice mDevice;
51  VkPhysicalDeviceMemoryProperties mMemoryProperties;
52  VkQueue mQueue;
53  VkCommandPool mCmdPool;
54};
55
56}  // namespace rsov
57}  // namespace renderscript
58}  // namespace android
59
60#endif  // RSOV_CONTEXT_H
61