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_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;
GetExecuteFlags()38     ExecuteFlags GetExecuteFlags() const override
39     {
40         return 0U;
41     }
42 
43     // for plugin / factory interface
44     static constexpr BASE_NS::Uid UID { "ea17a490-c3b7-453a-851f-79a20e324159" };
45     static constexpr char const* TYPE_NAME = "RenderNodeFullscreenGeneric";
46     static constexpr IRenderNode::BackendFlags BACKEND_FLAGS = IRenderNode::BackendFlagBits::BACKEND_FLAG_BITS_DEFAULT;
47     static constexpr IRenderNode::ClassType CLASS_TYPE = IRenderNode::ClassType::CLASS_TYPE_NODE;
48     static IRenderNode* Create();
49     static void Destroy(IRenderNode* instance);
50 
51 private:
52     IRenderNodeContextManager* renderNodeContextMgr_ { nullptr };
53 
54     void ParseRenderNodeInputs();
55     RenderHandle GetPsoHandle();
56 
57     // Json resources which might need re-fetching
58     struct JsonInputs {
59         RenderNodeGraphInputs::InputRenderPass renderPass;
60         RenderNodeGraphInputs::InputResources resources;
61 
62         RenderNodeGraphInputs::RenderDataStore renderDataStore;
63         RenderNodeGraphInputs::RenderDataStore renderDataStoreSpecialization;
64 
65         bool hasChangeableRenderPassHandles { false };
66         bool hasChangeableResourceHandles { false };
67     };
68     JsonInputs jsonInputs_;
69 
70     RenderNodeHandles::InputRenderPass inputRenderPass_;
71     RenderNodeHandles::InputResources inputResources_;
72     struct PipelineData {
73         RenderHandle shader;
74         RenderHandle graphicsState;
75         RenderHandle pso;
76         RenderHandle pipelineLayout;
77 
78         PipelineLayout pipelineLayoutData;
79     };
80     PipelineData pipelineData_;
81 
82     // data store push constant
83     bool useDataStorePushConstant_ { false };
84 
85     // data store shader specialization
86     bool useDataStoreShaderSpecialization_ { false };
87     struct ShaderSpecilizationData {
88         BASE_NS::vector<ShaderSpecialization::Constant> constants;
89         BASE_NS::vector<uint32_t> data;
90     };
91     ShaderSpecilizationData shaderSpecializationData_;
92 
93     IPipelineDescriptorSetBinder::Ptr pipelineDescriptorSetBinder_;
94 };
95 RENDER_END_NAMESPACE()
96 
97 #endif // CORE__RENDER__NODE__RENDER_NODE_FULLSCREEN_GENERIC_H
98