1 /*
2 * Copyright (c) 2024 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_dotfield.h"
17
18 #include <algorithm>
19 #include <cstdint>
20 #include <vector>
21
22 #include <base/containers/array_view.h>
23 #include <core/intf_engine.h>
24 #include <core/namespace.h>
25 #include <render/device/intf_gpu_resource_manager.h>
26 #include <render/resource_handle.h>
27
28 #include "app/shaders/common/dotfield_common.h"
29 #include "app/shaders/common/dotfield_struct_common.h"
30
31 using namespace BASE_NS;
32 using namespace CORE_NS;
33 using namespace RENDER_NS;
34
35 namespace Dotfield {
RenderDataStoreDefaultDotfield(IRenderContext & context,const string_view name)36 RenderDataStoreDefaultDotfield::RenderDataStoreDefaultDotfield(IRenderContext& context, const string_view name)
37 : context_(context), name_(name), gpuResourceMgr_(context_.GetDevice().GetGpuResourceManager())
38 {}
39
40 RenderDataStoreDefaultDotfield::~RenderDataStoreDefaultDotfield() = default;
41
PostRender()42 void RenderDataStoreDefaultDotfield::PostRender()
43 {
44 Clear();
45 bufferData_.currFrameIndex = 1u - bufferData_.currFrameIndex;
46 }
47
Clear()48 void RenderDataStoreDefaultDotfield::Clear() {}
49
Ref()50 void RenderDataStoreDefaultDotfield::Ref()
51 {
52 refcnt_.fetch_add(1, std::memory_order_relaxed);
53 }
54
Unref()55 void RenderDataStoreDefaultDotfield::Unref()
56 {
57 if (std::atomic_fetch_sub_explicit(&refcnt_, 1, std::memory_order_release) == 1) {
58 std::atomic_thread_fence(std::memory_order_acquire);
59 delete this;
60 }
61 }
62
GetRefCount()63 int32_t RenderDataStoreDefaultDotfield::GetRefCount()
64 {
65 return refcnt_;
66 }
67
AddDotfieldPrimitive(const RenderDataDefaultDotfield::DotfieldPrimitive & primitive)68 void RenderDataStoreDefaultDotfield::AddDotfieldPrimitive(const RenderDataDefaultDotfield::DotfieldPrimitive& primitive)
69 {
70 primitives_.emplace_back(primitive);
71
72 const uint32_t dotfieldCount = primitive.size.x * primitive.size.y;
73
74 // data buffers
75 const GpuBufferDesc desc {
76 BufferUsageFlagBits::CORE_BUFFER_USAGE_STORAGE_BUFFER_BIT |
77 BufferUsageFlagBits::CORE_BUFFER_USAGE_VERTEX_BUFFER_BIT,
78 MemoryPropertyFlagBits::CORE_MEMORY_PROPERTY_DEVICE_LOCAL_BIT,
79 EngineBufferCreationFlagBits::CORE_ENGINE_BUFFER_CREATION_DYNAMIC_BARRIERS,
80 static_cast<uint32_t>(sizeof(float) * 2 * dotfieldCount),
81 };
82 RenderDataDefaultDotfield::BufferData::Buffer buffer;
83 buffer.dataBuffer[0] = gpuResourceMgr_.Create(desc);
84 buffer.dataBuffer[1] = gpuResourceMgr_.Create(desc);
85 bufferData_.buffers.emplace_back(buffer);
86 }
87
GetDotfieldPrimitives()88 array_view<RenderDataDefaultDotfield::DotfieldPrimitive> RenderDataStoreDefaultDotfield::GetDotfieldPrimitives()
89 {
90 return { primitives_.data(), primitives_.size() };
91 }
92
GetDotfieldPrimitives() const93 array_view<const RenderDataDefaultDotfield::DotfieldPrimitive> RenderDataStoreDefaultDotfield::GetDotfieldPrimitives()
94 const
95 {
96 return {primitives_.data(), primitives_.size()};
97 }
98
RemoveDotfieldPrimitive(const Entity & entity)99 void RenderDataStoreDefaultDotfield::RemoveDotfieldPrimitive(const Entity& entity)
100 {
101 for (auto it = primitives_.cbegin(); it != primitives_.cend(); ++it) {
102 if (it->entity == entity) {
103 const auto index = it - primitives_.cbegin();
104 primitives_.erase(it);
105 bufferData_.buffers.erase(bufferData_.buffers.cbegin() + index);
106 break;
107 }
108 }
109 }
110
GetBufferData() const111 const RenderDataDefaultDotfield::BufferData& RenderDataStoreDefaultDotfield::GetBufferData() const
112 {
113 return bufferData_;
114 }
115
GetTimeStep() const116 float RenderDataStoreDefaultDotfield::GetTimeStep() const noexcept
117 {
118 return timeStep_;
119 }
120
SetTimeStep(float time)121 void RenderDataStoreDefaultDotfield::SetTimeStep(float time) noexcept
122 {
123 timeStep_ = time;
124 }
125
GetTime() const126 float RenderDataStoreDefaultDotfield::GetTime() const noexcept
127 {
128 return time_;
129 }
130
SetTime(float time)131 void RenderDataStoreDefaultDotfield::SetTime(float time) noexcept
132 {
133 time_ = time;
134 }
135
136 // for plugin / factory interface
Create(IRenderContext & context,char const * name)137 refcnt_ptr<IRenderDataStore> RenderDataStoreDefaultDotfield::Create(IRenderContext& context, char const* name)
138 {
139 return refcnt_ptr<IRenderDataStore>(new RenderDataStoreDefaultDotfield(context, name));
140 }
141 } // namespace Dotfield
142