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1 /*
2  * Copyright (C) 2023 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #include "render_frame_sync_vk.h"
17 
18 #include <cinttypes>
19 #include <cstdint>
20 #include <vulkan/vulkan.h>
21 
22 #include <render/namespace.h>
23 
24 #include "device/device.h"
25 #include "device/render_frame_sync.h"
26 #include "util/log.h"
27 #include "vulkan/device_vk.h"
28 #include "vulkan/validate_vk.h"
29 
RENDER_BEGIN_NAMESPACE()30 RENDER_BEGIN_NAMESPACE()
31 RenderFrameSyncVk::RenderFrameSyncVk(Device& dev) : RenderFrameSync(), device_ { dev }
32 {
33     const VkDevice device = ((const DevicePlatformDataVk&)device_.GetPlatformData()).device;
34 
35     frameFences_.resize(device_.GetCommandBufferingCount());
36 
37     constexpr VkFenceCreateFlags fenceCreateFlags { VK_FENCE_CREATE_SIGNALED_BIT };
38     const VkFenceCreateInfo fenceCreateInfo {
39         VK_STRUCTURE_TYPE_FENCE_CREATE_INFO, // sType
40         nullptr,                             // pNext
41         fenceCreateFlags,                    // flags
42     };
43     for (auto& ref : frameFences_) {
44         VALIDATE_VK_RESULT(vkCreateFence(device, // device
45             &fenceCreateInfo,                    // pCreateInfo
46             nullptr,                             // pAllocator
47             &ref.fence));                        // pFence
48     }
49 }
50 
~RenderFrameSyncVk()51 RenderFrameSyncVk::~RenderFrameSyncVk()
52 {
53     const VkDevice device = ((const DevicePlatformDataVk&)device_.GetPlatformData()).device;
54 
55     for (auto& ref : frameFences_) {
56         vkDestroyFence(device, // device
57             ref.fence,         // fence
58             nullptr);          // pAllocator
59     }
60 }
61 
BeginFrame()62 void RenderFrameSyncVk::BeginFrame()
63 {
64     bufferingIndex_ = (bufferingIndex_ + 1) % (uint32_t)frameFences_.size();
65 }
66 
WaitForFrameFence()67 void RenderFrameSyncVk::WaitForFrameFence()
68 {
69     const VkDevice device = ((const DevicePlatformDataVk&)device_.GetPlatformData()).device;
70 
71     if (frameFences_[bufferingIndex_].signalled) {
72         VkFence fence = frameFences_[bufferingIndex_].fence;
73         const VkResult res = vkWaitForFences(device, // device
74             1,                                       // fenceCount
75             &fence,                                  // pFences
76             VK_TRUE,                                 // waitAll
77             UINT64_MAX);                             // timeout
78         if (res == VK_SUCCESS) {
79             VALIDATE_VK_RESULT(vkResetFences(device, // device
80                 1,                                   // fenceCount
81                 &fence));                            // pFences
82 
83             frameFences_[bufferingIndex_].signalled = false;
84         } else {
85             PLUGIN_LOG_E("vkWaitForFences VkResult: %i. Frame count: %" PRIu64 ". Device invalidated.", res,
86                 device_.GetFrameCount());
87             device_.SetDeviceStatus(false);
88             PLUGIN_ASSERT(false);
89         }
90     }
91 }
92 
GetFrameFence() const93 LowLevelFenceVk RenderFrameSyncVk::GetFrameFence() const
94 {
95     return { frameFences_[bufferingIndex_].fence };
96 }
97 
FrameFenceIsSignalled()98 void RenderFrameSyncVk::FrameFenceIsSignalled()
99 {
100     frameFences_[bufferingIndex_].signalled = true;
101 }
102 RENDER_END_NAMESPACE()
103