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oitResolveTask.h
1 //
2 // Copyright 2019 Pixar
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5 // with the following modification; you may not use this file except in
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24 #ifndef PXR_IMAGING_HDX_OIT_RESOLVE_TASK_H
25 #define PXR_IMAGING_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 #include <memory>
35 
36 PXR_NAMESPACE_OPEN_SCOPE
37 
38 
39 class HdSceneDelegate;
40 
41 using HdStRenderPassStateSharedPtr = std::shared_ptr<class HdStRenderPassState>;
42 
43 using HdRenderPassSharedPtr = std::shared_ptr<class HdRenderPass>;
44 typedef boost::shared_ptr<class HdStRenderPassShader>
45  HdStRenderPassShaderSharedPtr;
46 
56 class HdxOitResolveTask : public HdTask
57 {
58 public:
59  HDX_API
60  static bool IsOitEnabled();
61 
62  HDX_API
63  HdxOitResolveTask(HdSceneDelegate* delegate, SdfPath const& id);
64 
65  HDX_API
66  virtual ~HdxOitResolveTask();
67 
69  HDX_API
70  virtual void Sync(HdSceneDelegate* delegate,
71  HdTaskContext* ctx,
72  HdDirtyBits* dirtyBits) override;
73 
77  HDX_API
78  virtual void Prepare(HdTaskContext* ctx,
79  HdRenderIndex* renderIndex) override;
80 
84  HDX_API
85  virtual void Execute(HdTaskContext* ctx) override;
86 
87 private:
88  HdxOitResolveTask() = delete;
89  HdxOitResolveTask(const HdxOitResolveTask &) = delete;
90  HdxOitResolveTask &operator =(const HdxOitResolveTask &) = delete;
91 
92  void _PrepareOitBuffers(
93  HdTaskContext* ctx,
94  HdRenderIndex* renderIndex,
95  GfVec2i const& screenSize);
96 
97  void _PrepareAovBindings(
98  HdTaskContext* ctx,
99  HdRenderIndex* renderIndex);
100 
101  HdRenderPassSharedPtr _renderPass;
102  HdStRenderPassStateSharedPtr _renderPassState;
103  HdStRenderPassShaderSharedPtr _renderPassShader;
104 
105  GfVec2i _screenSize;
106  HdBufferArrayRangeSharedPtr _counterBar;
107  HdBufferArrayRangeSharedPtr _dataBar;
108  HdBufferArrayRangeSharedPtr _depthBar;
109  HdBufferArrayRangeSharedPtr _indexBar;
110  HdBufferArrayRangeSharedPtr _uniformBar;
111 };
112 
113 PXR_NAMESPACE_CLOSE_SCOPE
114 
115 #endif
The Hydra render index is a flattened representation of the client scene graph, which may be composed...
Definition: renderIndex.h:121
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:288
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.