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unitTestUtils.h
1 //
2 // Copyright 2017 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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25 #ifndef HDX_UNIT_TEST_UTILS
26 #define HDX_UNIT_TEST_UTILS
27 
28 #include "pxr/pxr.h"
29 
30 #include "pxr/base/gf/frustum.h"
31 #include "pxr/base/gf/matrix4d.h"
32 #include "pxr/base/gf/vec2i.h"
33 
34 #include "pxr/imaging/glf/glew.h"
35 #include "pxr/imaging/hdx/pickTask.h"
36 #include "pxr/imaging/hdx/selectionTracker.h"
37 
38 #include <memory>
39 
40 PXR_NAMESPACE_OPEN_SCOPE
41 
42 class HdEngine;
43 class HdRprimCollection;
44 
45 namespace HdxUnitTestUtils
46 {
47  HdSelectionSharedPtr TranslateHitsToSelection(
48  TfToken const& pickTarget,
49  HdSelection::HighlightMode highlightMode,
50  HdxPickHitVector const& allHits);
51 
52  // For a drag-select from start to end, with given pick radius, what size
53  // ID buffer should we ask for?
54  GfVec2i CalculatePickResolution(
55  GfVec2i const& start, GfVec2i const& end, GfVec2i const& pickRadius);
56 
57  GfMatrix4d ComputePickingProjectionMatrix(
58  GfVec2i const& start, GfVec2i const& end, GfVec2i const& screen,
59  GfFrustum const& viewFrustum);
60 
61  class Marquee {
62  public:
63  Marquee();
64  ~Marquee();
65 
66  void InitGLResources();
67  void DestroyGLResources();
68  void Draw(float width, float height,
69  GfVec2f const& startPos, GfVec2f const& endPos);
70 
71  private:
72  GLuint _vbo;
73  GLuint _program;
74  };
75 }
76 
77 PXR_NAMESPACE_CLOSE_SCOPE
78 
79 #endif // HDX_UNIT_TEST_UTILS
Basic type for a vector of 2 int components.
Definition: vec2i.h:61
HighlightMode
Selection modes allow differentiation in selection highlight behavior.
Definition: selection.h:53
Token for efficient comparison, assignment, and hashing of known strings.
Definition: token.h:89
Stores a 4x4 matrix of double elements.
Definition: matrix4d.h:88
The application-facing entry point top-level entry point for accessing Hydra.
Definition: engine.h:48
Basic type: View frustum.
Definition: frustum.h:87
A named, semantic collection of objects.
Basic type for a vector of 2 float components.
Definition: vec2f.h:63