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1 | // Created on: 2014-05-14 |
2 | // Created by: Denis BOGOLEPOV |
3 | // Copyright (c) 2014 OPEN CASCADE SAS |
4 | // |
5 | // This file is part of Open CASCADE Technology software library. |
6 | // |
7 | // This library is free software; you can redistribute it and/or modify it under |
8 | // the terms of the GNU Lesser General Public License version 2.1 as published |
9 | // by the Free Software Foundation, with special exception defined in the file |
10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
11 | // distribution for complete text of the license and disclaimer of any warranty. |
12 | // |
13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. |
15 | |
16 | #ifndef _Graphic3d_RenderingParams_HeaderFile |
17 | #define _Graphic3d_RenderingParams_HeaderFile |
18 | |
19 | #include <Graphic3d_RenderingMode.hxx> |
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20 | #include <Graphic3d_StereoMode.hxx> |
21 | #include <Graphic3d_Mat4.hxx> |
22 | #include <Graphic3d_Vec4.hxx> |
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23 | |
24 | //! Helper class to store rendering parameters. |
25 | class Graphic3d_RenderingParams |
26 | { |
27 | public: |
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28 | //! Default pixels density. |
29 | static const unsigned int THE_DEFAULT_RESOLUTION = 72u; |
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30 | |
31 | //! Default ray-tracing depth. |
32 | static const Standard_Integer THE_DEFAULT_DEPTH = 3; |
33 | |
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34 | //! Anaglyph filter presets. |
35 | enum Anaglyph |
36 | { |
37 | Anaglyph_RedCyan_Simple, //!< simple filter for Red-Cyan glasses (R+GB) |
38 | Anaglyph_RedCyan_Optimized, //!< optimized filter for Red-Cyan glasses (R+GB) |
39 | Anaglyph_YellowBlue_Simple, //!< simple filter for Yellow-Blue glasses (RG+B) |
40 | Anaglyph_YellowBlue_Optimized, //!< optimized filter for Yellow-Blue glasses (RG+B) |
41 | Anaglyph_GreenMagenta_Simple, //!< simple filter for Green-Magenta glasses (G+RB) |
42 | Anaglyph_UserDefined //!< use externally specified matrices |
43 | }; |
44 | |
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45 | public: |
46 | |
47 | //! Creates default rendering parameters. |
48 | Graphic3d_RenderingParams() |
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49 | : Method (Graphic3d_RM_RASTERIZATION), |
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50 | NbMsaaSamples (0), |
51 | // ray tracing parameters |
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52 | IsGlobalIlluminationEnabled (Standard_False), |
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53 | RaytracingDepth (THE_DEFAULT_DEPTH), |
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54 | IsShadowEnabled (Standard_True), |
55 | IsReflectionEnabled (Standard_False), |
56 | IsAntialiasingEnabled (Standard_False), |
57 | IsTransparentShadowEnabled (Standard_False), |
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58 | UseEnvironmentMapBackground (Standard_False), |
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59 | CoherentPathTracingMode (Standard_False), |
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60 | AdaptiveScreenSampling (Standard_False), |
61 | ShowSamplingTiles (Standard_False), |
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62 | TwoSidedBsdfModels (Standard_False), |
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63 | RebuildRayTracingShaders (Standard_False), |
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64 | // stereoscopic parameters |
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65 | StereoMode (Graphic3d_StereoMode_QuadBuffer), |
66 | AnaglyphFilter (Anaglyph_RedCyan_Optimized), |
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67 | ToReverseStereo (Standard_False), |
68 | |
69 | Resolution (THE_DEFAULT_RESOLUTION) |
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70 | { |
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71 | const Graphic3d_Vec4 aZero (0.0f, 0.0f, 0.0f, 0.0f); |
72 | AnaglyphLeft .SetRow (0, Graphic3d_Vec4 (1.0f, 0.0f, 0.0f, 0.0f)); |
73 | AnaglyphLeft .SetRow (1, aZero); |
74 | AnaglyphLeft .SetRow (2, aZero); |
75 | AnaglyphLeft .SetRow (3, aZero); |
76 | AnaglyphRight.SetRow (0, aZero); |
77 | AnaglyphRight.SetRow (1, Graphic3d_Vec4 (0.0f, 1.0f, 0.0f, 0.0f)); |
78 | AnaglyphRight.SetRow (2, Graphic3d_Vec4 (0.0f, 0.0f, 1.0f, 0.0f)); |
79 | AnaglyphRight.SetRow (3, aZero); |
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80 | } |
81 | |
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82 | //! Returns resolution ratio. |
83 | Standard_ShortReal ResolutionRatio() const |
84 | { |
85 | return Resolution / static_cast<Standard_ShortReal> (THE_DEFAULT_RESOLUTION); |
86 | } |
87 | |
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88 | public: |
89 | |
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90 | Graphic3d_RenderingMode Method; //!< specifies rendering mode, Graphic3d_RM_RASTERIZATION by default |
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91 | Standard_Integer NbMsaaSamples; //!< number of MSAA samples (should be within 0..GL_MAX_SAMPLES, power-of-two number), 0 by default |
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92 | |
93 | Standard_Boolean IsGlobalIlluminationEnabled; //!< enables/disables global illumination effects (path tracing) |
94 | Standard_Integer SamplesPerPixel; //!< number of samples per pixel (SPP) |
95 | Standard_Integer RaytracingDepth; //!< maximum ray-tracing depth, 3 by default |
96 | Standard_Boolean IsShadowEnabled; //!< enables/disables shadows rendering, True by default |
97 | Standard_Boolean IsReflectionEnabled; //!< enables/disables specular reflections, False by default |
98 | Standard_Boolean IsAntialiasingEnabled; //!< enables/disables adaptive anti-aliasing, False by default |
99 | Standard_Boolean IsTransparentShadowEnabled; //!< enables/disables light propagation through transparent media, False by default |
100 | Standard_Boolean UseEnvironmentMapBackground; //!< enables/disables environment map background |
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101 | Standard_Boolean CoherentPathTracingMode; //!< enables/disables 'coherent' tracing mode (single RNG seed within 16x16 image blocks) |
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102 | Standard_Boolean AdaptiveScreenSampling; //!< enables/disables adaptive screen sampling mode for path tracing, FALSE by default |
103 | Standard_Boolean ShowSamplingTiles; //!< enables/disables debug mode for adaptive screen sampling, FALSE by default |
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104 | Standard_Boolean TwoSidedBsdfModels; //!< forces path tracing to use two-sided versions of original one-sided scattering models |
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105 | Standard_Boolean RebuildRayTracingShaders; //!< forces rebuilding ray tracing shaders at the next frame |
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106 | |
107 | Graphic3d_StereoMode StereoMode; //!< stereoscopic output mode, Graphic3d_StereoMode_QuadBuffer by default |
108 | Anaglyph AnaglyphFilter; //!< filter for anaglyph output, Anaglyph_RedCyan_Optimized by default |
109 | Graphic3d_Mat4 AnaglyphLeft; //!< left anaglyph filter (in normalized colorspace), Color = AnaglyphRight * theColorRight + AnaglyphLeft * theColorLeft; |
110 | Graphic3d_Mat4 AnaglyphRight; //!< right anaglyph filter (in normalized colorspace), Color = AnaglyphRight * theColorRight + AnaglyphLeft * theColorLeft; |
111 | Standard_Boolean ToReverseStereo; //!< flag to reverse stereo pair, FALSE by default |
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112 | |
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113 | unsigned int Resolution; //!< Pixels density (PPI), defines scaling factor for parameters like text size |
114 | //!< (when defined in screen-space units rather than in 3D) to be properly displayed |
115 | //!< on device (screen / printer). 72 is default value. |
116 | //!< Note that using difference resolution in different Views in same Viewer |
117 | //!< will lead to performance regression (for example, text will be recreated every time). |
118 | |
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119 | }; |
120 | |
121 | #endif // _Graphic3d_RenderingParams_HeaderFile |