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 #ifndef RENDER_RENDER__NODE__RENDER_NODE_CREATE_GPU_BUFFERS_H
17 #define RENDER_RENDER__NODE__RENDER_NODE_CREATE_GPU_BUFFERS_H
18 
19 #include <base/containers/string.h>
20 #include <base/containers/vector.h>
21 #include <base/util/uid.h>
22 #include <render/device/gpu_resource_desc.h>
23 #include <render/namespace.h>
24 #include <render/nodecontext/intf_render_node.h>
25 #include <render/render_data_structures.h>
26 #include <render/resource_handle.h>
27 
28 RENDER_BEGIN_NAMESPACE()
29 class IRenderCommandList;
30 class IRenderNodeContextManager;
31 struct RenderNodeGraphInputs;
32 
33 class RenderNodeCreateGpuBuffers final : public IRenderNode {
34 public:
35     RenderNodeCreateGpuBuffers() = default;
36     ~RenderNodeCreateGpuBuffers() override = default;
37 
38     void InitNode(IRenderNodeContextManager& renderNodeContextMgr) override;
39     void PreExecuteFrame() override;
ExecuteFrame(IRenderCommandList & cmdList)40     void ExecuteFrame(IRenderCommandList& cmdList) override {};
GetExecuteFlags()41     ExecuteFlags GetExecuteFlags() const override
42     {
43         // no work in execute
44         return IRenderNode::ExecuteFlagBits::EXECUTE_FLAG_BITS_DO_NOT_EXECUTE;
45     }
46 
47     // for plugin / factory interface
48     static constexpr BASE_NS::Uid UID { "7c5b99c1-7b2f-4c9f-af9a-80cbf24efbbf" };
49     static constexpr char const* TYPE_NAME = "RenderNodeCreateGpuBuffers";
50     static constexpr IRenderNode::BackendFlags BACKEND_FLAGS = IRenderNode::BackendFlagBits::BACKEND_FLAG_BITS_DEFAULT;
51     static constexpr IRenderNode::ClassType CLASS_TYPE = IRenderNode::ClassType::CLASS_TYPE_NODE;
52     static IRenderNode* Create();
53     static void Destroy(IRenderNode* instance);
54 
55 private:
56     IRenderNodeContextManager* renderNodeContextMgr_ { nullptr };
57 
58     void ParseRenderNodeInputs();
59 
60     struct JsonInputs {
61         BASE_NS::vector<RenderNodeGraphInputs::RenderNodeGraphGpuBufferDesc> gpuBufferDescs;
62     };
63     JsonInputs jsonInputs_;
64 
65     struct Names {
66         BASE_NS::string globalName;
67         BASE_NS::string shareName;
68     };
69     BASE_NS::vector<Names> names_;
70     BASE_NS::vector<GpuBufferDesc> descs_;
71     BASE_NS::vector<RenderHandleReference> resourceHandles_;
72 
73     BASE_NS::vector<RenderHandle> dependencyHandles_;
74 };
75 RENDER_END_NAMESPACE()
76 
77 #endif // RENDER_RENDER__NODE__RENDER_NODE_CREATE_GPU_BUFFERS_H
78