freeCameraSceneDelegate.h
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24 #ifndef PXR_IMAGING_HDX_FREE_CAMERA_SCENE_DELEGATE_H
25 #define PXR_IMAGING_HDX_FREE_CAMERA_SCENE_DELEGATE_H
26 
27 #include "pxr/pxr.h"
28 
29 #include "pxr/imaging/hdx/api.h"
30 
31 #include "pxr/imaging/hd/sceneDelegate.h"
32 #include "pxr/base/gf/camera.h"
33 #include "pxr/imaging/cameraUtil/conformWindow.h"
34 
35 PXR_NAMESPACE_OPEN_SCOPE
36 
43 {
44 public:
47  HDX_API
49  SdfPath const &delegateId);
50 
51  HDX_API
52  ~HdxFreeCameraSceneDelegate() override;
53 
56  const SdfPath &GetCameraId() const {
57  return _cameraId;
58  }
59 
61  HDX_API
62  void SetCamera(const GfCamera &camera);
64  HDX_API
65  void SetWindowPolicy(CameraUtilConformWindowPolicy policy);
66 
69  HDX_API
70  void SetMatrices(GfMatrix4d const &viewMatrix,
71  GfMatrix4d const &projMatrix);
72 
74  HDX_API
75  void SetClipPlanes(std::vector<GfVec4f> const &clipPlanes);
76 
77  // HdSceneDelegate interface
78  HDX_API
79  GfMatrix4d GetTransform(SdfPath const &id) override;
80  HDX_API
82  TfToken const &key) override;
83 
84 private:
85  // Mark camera dirty in render index.
86  void _MarkDirty(HdDirtyBits bits);
87 
88  // Path of camera in render index.
89  const SdfPath _cameraId;
90 
91  // State of camera
92  GfCamera _camera;
93  // Window policy of camera.
94  CameraUtilConformWindowPolicy _policy;
95 };
96 
97 PXR_NAMESPACE_CLOSE_SCOPE
98 
99 #endif // PXR_IMAGING_HDX_FREE_CAMERA_SCENE_DELEGATE_H
The Hydra render index is a flattened representation of the client scene graph, which may be composed...
Definition: renderIndex.h:120
HDX_API void SetClipPlanes(std::vector< GfVec4f > const &clipPlanes)
For transition, set clip planes for camera. GfCamera is preferred.
HDX_API void SetWindowPolicy(CameraUtilConformWindowPolicy policy)
Set window policy of camera.
Object-based representation of a camera.
Definition: camera.h:49
HDX_API VtValue GetCameraParamValue(SdfPath const &id, TfToken const &key) override
Returns a single value for a given camera and parameter.
HDX_API HdxFreeCameraSceneDelegate(HdRenderIndex *renderIndex, SdfPath const &delegateId)
Constructs delegate and adds camera to render index if cameras are supported by render delegate.
const SdfPath & GetCameraId() const
Path of added camera (in render index).
Token for efficient comparison, assignment, and hashing of known strings.
Definition: token.h:87
HDX_API GfMatrix4d GetTransform(SdfPath const &id) override
Returns the object space transform, including all parent transforms.
Stores a 4x4 matrix of double elements.
Definition: matrix4d.h:88
Adapter class providing data exchange with the client scene graph.
HDX_API void SetMatrices(GfMatrix4d const &viewMatrix, GfMatrix4d const &projMatrix)
For transition, set camera state from OpenGL-style view and projection matrix.
A path value used to locate objects in layers or scenegraphs.
Definition: path.h:290
A simple scene delegate adding a camera prim to the given render index.
HDX_API void SetCamera(const GfCamera &camera)
Set state of camera from GfCamera.
Provides a container which may hold any type, and provides introspection and iteration over array typ...
Definition: value.h:166