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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 #ifndef RENDER_RENDER__NODE__RENDER_NODE_FULLSCREEN_GENERIC_H
17 #define RENDER_RENDER__NODE__RENDER_NODE_FULLSCREEN_GENERIC_H
18 
19 #include <base/util/uid.h>
20 #include <render/namespace.h>
21 #include <render/nodecontext/intf_pipeline_descriptor_set_binder.h>
22 #include <render/nodecontext/intf_render_node.h>
23 #include <render/render_data_structures.h>
24 #include <render/resource_handle.h>
25 
26 RENDER_BEGIN_NAMESPACE()
27 class IRenderCommandList;
28 struct RenderNodeGraphInputs;
29 
30 class RenderNodeFullscreenGeneric final : public IRenderNode {
31 public:
32     RenderNodeFullscreenGeneric() = default;
33     ~RenderNodeFullscreenGeneric() override = default;
34 
35     void InitNode(IRenderNodeContextManager& renderNodeContextMgr) override;
36     void PreExecuteFrame() override;
37     void ExecuteFrame(IRenderCommandList& cmdList) override;
38 
39     // for plugin / factory interface
40     static constexpr BASE_NS::Uid UID { "ea17a490-c3b7-453a-851f-79a20e324159" };
41     static constexpr char const* TYPE_NAME = "RenderNodeFullscreenGeneric";
42     static constexpr IRenderNode::BackendFlags BACKEND_FLAGS = IRenderNode::BackendFlagBits::BACKEND_FLAG_BITS_DEFAULT;
43     static constexpr IRenderNode::ClassType CLASS_TYPE = IRenderNode::ClassType::CLASS_TYPE_NODE;
44     static IRenderNode* Create();
45     static void Destroy(IRenderNode* instance);
46 
47 private:
48     IRenderNodeContextManager* renderNodeContextMgr_ { nullptr };
49 
50     void ParseRenderNodeInputs();
51     RenderHandle GetPsoHandle(IRenderNodeContextManager& renderNodeContextMgr);
52 
53     // Json resources which might need re-fetching
54     struct JsonInputs {
55         RenderNodeGraphInputs::InputRenderPass renderPass;
56         RenderNodeGraphInputs::InputResources resources;
57 
58         RenderNodeGraphInputs::RenderDataStore renderDataStore;
59         RenderNodeGraphInputs::RenderDataStore renderDataStoreSpecialization;
60 
61         bool hasChangeableRenderPassHandles { false };
62         bool hasChangeableResourceHandles { false };
63     };
64     JsonInputs jsonInputs_;
65 
66     RenderNodeHandles::InputRenderPass inputRenderPass_;
67     RenderNodeHandles::InputResources inputResources_;
68     RenderHandle shader_;
69     PipelineLayout pipelineLayout_;
70     RenderHandle psoHandle_;
71 
72     // data store push constant
73     bool useDataStorePushConstant_ { false };
74 
75     // data store shader specialization
76     bool useDataStoreShaderSpecialization_ { false };
77     struct ShaderSpecilizationData {
78         BASE_NS::vector<ShaderSpecialization::Constant> constants;
79         BASE_NS::vector<uint32_t> data;
80     };
81     ShaderSpecilizationData shaderSpecializationData_;
82 
83     IPipelineDescriptorSetBinder::Ptr pipelineDescriptorSetBinder_;
84 };
85 RENDER_END_NAMESPACE()
86 
87 #endif // CORE__RENDER__NODE__RENDER_NODE_FULLSCREEN_GENERIC_H
88