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oitResolveTask.h
1 //
2 // Copyright 2019 Pixar
3 //
4 // Licensed under the Apache License, Version 2.0 (the "Apache License")
5 // with the following modification; you may not use this file except in
6 // compliance with the Apache License and the following modification to it:
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14 // You may obtain a copy of the Apache License at
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24 #ifndef HDX_OIT_RESOLVE_TASK_H
25 #define HDX_OIT_RESOLVE_TASK_H
26 
27 #include "pxr/pxr.h"
28 #include "pxr/imaging/hdx/api.h"
29 #include "pxr/imaging/hdx/version.h"
30 #include "pxr/imaging/hd/task.h"
31 
32 #include <boost/shared_ptr.hpp>
33 
34 PXR_NAMESPACE_OPEN_SCOPE
35 
36 
37 class HdSceneDelegate;
38 
39 typedef boost::shared_ptr<class HdStRenderPassState>
40  HdStRenderPassStateSharedPtr;
41 typedef boost::shared_ptr<class HdRenderPass>
42  HdRenderPassSharedPtr;
43 typedef boost::shared_ptr<class HdStRenderPassShader>
44  HdStRenderPassShaderSharedPtr;
45 
55 class HdxOitResolveTask : public HdTask
56 {
57 public:
58  HDX_API
59  static bool IsOitEnabled();
60 
61  HDX_API
62  HdxOitResolveTask(HdSceneDelegate* delegate, SdfPath const& id);
63 
64  HDX_API
65  virtual ~HdxOitResolveTask();
66 
68  HDX_API
69  virtual void Sync(HdSceneDelegate* delegate,
70  HdTaskContext* ctx,
71  HdDirtyBits* dirtyBits) override;
72 
76  HDX_API
77  virtual void Prepare(HdTaskContext* ctx,
78  HdRenderIndex* renderIndex) override;
79 
83  HDX_API
84  virtual void Execute(HdTaskContext* ctx) override;
85 
86 private:
87  HdxOitResolveTask() = delete;
88  HdxOitResolveTask(const HdxOitResolveTask &) = delete;
89  HdxOitResolveTask &operator =(const HdxOitResolveTask &) = delete;
90 
91  void _PrepareOitBuffers(
92  HdTaskContext* ctx,
93  HdRenderIndex* renderIndex,
94  GfVec2i const& screenSize);
95 
96  void _PrepareAovBindings(
97  HdTaskContext* ctx,
98  HdRenderIndex* renderIndex);
99 
100  HdRenderPassSharedPtr _renderPass;
101  HdStRenderPassStateSharedPtr _renderPassState;
102  HdStRenderPassShaderSharedPtr _renderPassShader;
103 
104  GfVec2i _screenSize;
105  HdBufferArrayRangeSharedPtr _counterBar;
106  HdBufferArrayRangeSharedPtr _dataBar;
107  HdBufferArrayRangeSharedPtr _depthBar;
108  HdBufferArrayRangeSharedPtr _indexBar;
109  HdBufferArrayRangeSharedPtr _uniformBar;
110 };
111 
112 PXR_NAMESPACE_CLOSE_SCOPE
113 
114 #endif
The Hydra render index is a flattened representation of the client scene graph, which may be composed...
Definition: renderIndex.h:119
Basic type for a vector of 2 int components.
Definition: vec2i.h:61
virtual HDX_API void Prepare(HdTaskContext *ctx, HdRenderIndex *renderIndex) override
Prepare the tasks resources.
Adapter class providing data exchange with the client scene graph.
A path value used to locate objects in layers or scenegraphs.
Definition: path.h:287
A task for resolving previous passes to pixels.
virtual HDX_API void Sync(HdSceneDelegate *delegate, HdTaskContext *ctx, HdDirtyBits *dirtyBits) override
Sync the resolve pass resources.
virtual HDX_API void Execute(HdTaskContext *ctx) override
Execute render pass task.