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eb85ed3649
Added enum Graphic3d_ToneMappingMethod for choosing tone mapping mode. Added new rendering parameters. Added tone mapping to Display.fs shader.
141 lines
8.5 KiB
C++
141 lines
8.5 KiB
C++
// Created on: 2014-05-14
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// Created by: Denis BOGOLEPOV
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// Copyright (c) 2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _Graphic3d_RenderingParams_HeaderFile
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#define _Graphic3d_RenderingParams_HeaderFile
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#include <Graphic3d_Mat4.hxx>
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#include <Graphic3d_RenderTransparentMethod.hxx>
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#include <Graphic3d_RenderingMode.hxx>
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#include <Graphic3d_StereoMode.hxx>
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#include <Graphic3d_ToneMappingMethod.hxx>
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#include <Graphic3d_Vec4.hxx>
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//! Helper class to store rendering parameters.
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class Graphic3d_RenderingParams
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{
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public:
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//! Default pixels density.
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static const unsigned int THE_DEFAULT_RESOLUTION = 72u;
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//! Default ray-tracing depth.
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static const Standard_Integer THE_DEFAULT_DEPTH = 3;
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//! Anaglyph filter presets.
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enum Anaglyph
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{
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Anaglyph_RedCyan_Simple, //!< simple filter for Red-Cyan glasses (R+GB)
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Anaglyph_RedCyan_Optimized, //!< optimized filter for Red-Cyan glasses (R+GB)
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Anaglyph_YellowBlue_Simple, //!< simple filter for Yellow-Blue glasses (RG+B)
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Anaglyph_YellowBlue_Optimized, //!< optimized filter for Yellow-Blue glasses (RG+B)
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Anaglyph_GreenMagenta_Simple, //!< simple filter for Green-Magenta glasses (G+RB)
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Anaglyph_UserDefined //!< use externally specified matrices
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};
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public:
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//! Creates default rendering parameters.
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Graphic3d_RenderingParams()
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: Method (Graphic3d_RM_RASTERIZATION),
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TransparencyMethod (Graphic3d_RTM_BLEND_UNORDERED),
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OitDepthFactor (0.0f),
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NbMsaaSamples (0),
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RenderResolutionScale (1.0f),
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// ray tracing parameters
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IsGlobalIlluminationEnabled (Standard_False),
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RaytracingDepth (THE_DEFAULT_DEPTH),
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IsShadowEnabled (Standard_True),
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IsReflectionEnabled (Standard_False),
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IsAntialiasingEnabled (Standard_False),
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IsTransparentShadowEnabled (Standard_False),
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UseEnvironmentMapBackground (Standard_False),
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CoherentPathTracingMode (Standard_False),
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AdaptiveScreenSampling (Standard_False),
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ShowSamplingTiles (Standard_False),
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TwoSidedBsdfModels (Standard_False),
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RadianceClampingValue (30.0),
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RebuildRayTracingShaders (Standard_False),
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NbRayTracingTiles (16 * 16),
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ToneMappingMethod (Graphic3d_ToneMappingMethod_Disabled),
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Exposure (0.f),
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WhitePoint (1.f),
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// stereoscopic parameters
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StereoMode (Graphic3d_StereoMode_QuadBuffer),
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AnaglyphFilter (Anaglyph_RedCyan_Optimized),
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ToReverseStereo (Standard_False),
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Resolution (THE_DEFAULT_RESOLUTION)
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{
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const Graphic3d_Vec4 aZero (0.0f, 0.0f, 0.0f, 0.0f);
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AnaglyphLeft .SetRow (0, Graphic3d_Vec4 (1.0f, 0.0f, 0.0f, 0.0f));
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AnaglyphLeft .SetRow (1, aZero);
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AnaglyphLeft .SetRow (2, aZero);
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AnaglyphLeft .SetRow (3, aZero);
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AnaglyphRight.SetRow (0, aZero);
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AnaglyphRight.SetRow (1, Graphic3d_Vec4 (0.0f, 1.0f, 0.0f, 0.0f));
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AnaglyphRight.SetRow (2, Graphic3d_Vec4 (0.0f, 0.0f, 1.0f, 0.0f));
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AnaglyphRight.SetRow (3, aZero);
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}
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//! Returns resolution ratio.
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Standard_ShortReal ResolutionRatio() const
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{
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return Resolution / static_cast<Standard_ShortReal> (THE_DEFAULT_RESOLUTION);
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}
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public:
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Graphic3d_RenderingMode Method; //!< specifies rendering mode, Graphic3d_RM_RASTERIZATION by default
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Graphic3d_RenderTransparentMethod TransparencyMethod; //!< specifies rendering method for transparent graphics
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Standard_ShortReal OitDepthFactor; //!< scalar factor [0-1] controlling influence of depth of a fragment to its final coverage
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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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Standard_ShortReal RenderResolutionScale; //!< rendering resolution scale factor, 1 by default;
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//! incompatible with MSAA (e.g. NbMsaaSamples should be set to 0)
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Standard_Boolean IsGlobalIlluminationEnabled; //!< enables/disables global illumination effects (path tracing)
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Standard_Integer SamplesPerPixel; //!< number of samples per pixel (SPP)
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Standard_Integer RaytracingDepth; //!< maximum ray-tracing depth, 3 by default
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Standard_Boolean IsShadowEnabled; //!< enables/disables shadows rendering, True by default
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Standard_Boolean IsReflectionEnabled; //!< enables/disables specular reflections, False by default
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Standard_Boolean IsAntialiasingEnabled; //!< enables/disables adaptive anti-aliasing, False by default
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Standard_Boolean IsTransparentShadowEnabled; //!< enables/disables light propagation through transparent media, False by default
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Standard_Boolean UseEnvironmentMapBackground; //!< enables/disables environment map background
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Standard_Boolean CoherentPathTracingMode; //!< enables/disables 'coherent' tracing mode (single RNG seed within 16x16 image blocks)
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Standard_Boolean AdaptiveScreenSampling; //!< enables/disables adaptive screen sampling mode for path tracing, FALSE by default
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Standard_Boolean ShowSamplingTiles; //!< enables/disables debug mode for adaptive screen sampling, FALSE by default
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Standard_Boolean TwoSidedBsdfModels; //!< forces path tracing to use two-sided versions of original one-sided scattering models
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Standard_ShortReal RadianceClampingValue; //!< maximum radiance value used for clamping radiance estimation.
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Standard_Boolean RebuildRayTracingShaders; //!< forces rebuilding ray tracing shaders at the next frame
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Standard_Integer NbRayTracingTiles; //!< total number of screen tiles used in adaptive sampling mode (PT only)
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Graphic3d_ToneMappingMethod ToneMappingMethod; //!< specifies tone mapping method for path tracing, Graphic3d_ToneMappingMethod_Disabled by default
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Standard_ShortReal Exposure; //!< exposure value used for tone mapping (path tracing), 0.0 by default
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Standard_ShortReal WhitePoint; //!< white point value used in filmic tone mapping (path tracing), 1.0 by default
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Graphic3d_StereoMode StereoMode; //!< stereoscopic output mode, Graphic3d_StereoMode_QuadBuffer by default
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Anaglyph AnaglyphFilter; //!< filter for anaglyph output, Anaglyph_RedCyan_Optimized by default
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Graphic3d_Mat4 AnaglyphLeft; //!< left anaglyph filter (in normalized colorspace), Color = AnaglyphRight * theColorRight + AnaglyphLeft * theColorLeft;
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Graphic3d_Mat4 AnaglyphRight; //!< right anaglyph filter (in normalized colorspace), Color = AnaglyphRight * theColorRight + AnaglyphLeft * theColorLeft;
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Standard_Boolean ToReverseStereo; //!< flag to reverse stereo pair, FALSE by default
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unsigned int Resolution; //!< Pixels density (PPI), defines scaling factor for parameters like text size
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//! (when defined in screen-space units rather than in 3D) to be properly displayed
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//! on device (screen / printer). 72 is default value.
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//! Note that using difference resolution in different Views in same Viewer
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//! will lead to performance regression (for example, text will be recreated every time).
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};
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#endif // _Graphic3d_RenderingParams_HeaderFile
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