1 /*
2 * Copyright (c) 2022 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_data_store_default_gpu_resource_data_copy.h"
17
18 #include <cstdint>
19 #include <mutex>
20
21 #include <base/containers/vector.h>
22 #include <render/datastore/intf_render_data_store_default_gpu_resource_data_copy.h>
23 #include <render/intf_render_context.h>
24 #include <render/namespace.h>
25 #include <render/resource_handle.h>
26
27 #include "device/gpu_resource_manager.h"
28 #include "device/gpu_resource_util.h"
29 #include "util/log.h"
30
31 using namespace BASE_NS;
32
RENDER_BEGIN_NAMESPACE()33 RENDER_BEGIN_NAMESPACE()
34 RenderDataStoreDefaultGpuResourceDataCopy::RenderDataStoreDefaultGpuResourceDataCopy(
35 IRenderContext& renderContext, const string_view name)
36 : device_(renderContext.GetDevice()), gpuResourceMgr_((GpuResourceManager&)device_.GetGpuResourceManager()),
37 name_(name)
38 {}
39
PostRenderBackend()40 void RenderDataStoreDefaultGpuResourceDataCopy::PostRenderBackend()
41 {
42 std::lock_guard<std::mutex> lock(mutex_);
43
44 if (!copyData_.empty() && waitForIdle_) {
45 PLUGIN_LOG_W("RENDER_PERFORMANCE_WARNING: wait for idle called for device");
46 device_.WaitForIdle();
47 }
48 for (const auto& ref : copyData_) {
49 if (ref.gpuHandle && ref.byteArray) {
50 GpuResourceUtil::CopyGpuResource(device_, gpuResourceMgr_, ref.gpuHandle.GetHandle(), *ref.byteArray);
51 }
52 }
53
54 copyData_.clear();
55 waitForIdle_ = false;
56 }
57
Clear()58 void RenderDataStoreDefaultGpuResourceDataCopy::Clear()
59 {
60 // data cannot be cleared
61 }
62
Ref()63 void RenderDataStoreDefaultGpuResourceDataCopy::Ref()
64 {
65 refcnt_.fetch_add(1, std::memory_order_relaxed);
66 }
67
Unref()68 void RenderDataStoreDefaultGpuResourceDataCopy::Unref()
69 {
70 if (std::atomic_fetch_sub_explicit(&refcnt_, 1, std::memory_order_release) == 1) {
71 std::atomic_thread_fence(std::memory_order_acquire);
72 delete this;
73 }
74 }
75
GetRefCount()76 int32_t RenderDataStoreDefaultGpuResourceDataCopy::GetRefCount()
77 {
78 return refcnt_;
79 }
80
AddCopyOperation(const GpuResourceDataCopy & copyOp)81 void RenderDataStoreDefaultGpuResourceDataCopy::AddCopyOperation(const GpuResourceDataCopy& copyOp)
82 {
83 std::lock_guard<std::mutex> lock(mutex_);
84
85 // NOTE: one could add support for GPU image copies
86 // process the image -> buffer in render node staging
87
88 if (gpuResourceMgr_.IsGpuBuffer(copyOp.gpuHandle)) {
89 if (copyOp.copyType == CopyType::WAIT_FOR_IDLE) {
90 waitForIdle_ = true;
91 }
92 copyData_.push_back(copyOp);
93 } else {
94 PLUGIN_LOG_E("Copy operation only supported for GPU buffers");
95 }
96 }
97
98 // for plugin / factory interface
Create(IRenderContext & renderContext,const char * name)99 refcnt_ptr<IRenderDataStore> RenderDataStoreDefaultGpuResourceDataCopy::Create(
100 IRenderContext& renderContext, const char* name)
101 {
102 return refcnt_ptr<IRenderDataStore>(new RenderDataStoreDefaultGpuResourceDataCopy(renderContext, name));
103 }
104 RENDER_END_NAMESPACE()
105