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0028794: Visualization, Ray tracing - Implement tone mapping

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Added enum Graphic3d_ToneMappingMethod for choosing tone mapping mode.
Added new rendering parameters.
Added tone mapping to Display.fs shader.
This commit is contained in:
age
2017-05-25 14:34:34 +03:00
committed by bugmaster
parent d6b4d3d0d5
commit eb85ed3649
8 changed files with 239 additions and 4 deletions
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1
src/Graphic3d/FILES
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@@ -130,6 +130,7 @@ Graphic3d_TextureParams.cxx
Graphic3d_TextureParams.hxx
Graphic3d_TextureRoot.cxx
Graphic3d_TextureRoot.hxx
Graphic3d_ToneMappingMethod.hxx
Graphic3d_TransformError.hxx
Graphic3d_TransformPers.hxx
Graphic3d_TransformPers.cxx

8
src/Graphic3d/Graphic3d_RenderingParams.hxx
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@@ -20,6 +20,7 @@
#include <Graphic3d_RenderTransparentMethod.hxx>
#include <Graphic3d_RenderingMode.hxx>
#include <Graphic3d_StereoMode.hxx>
#include <Graphic3d_ToneMappingMethod.hxx>
#include <Graphic3d_Vec4.hxx>
//! Helper class to store rendering parameters.
@@ -67,6 +68,9 @@ public:
RadianceClampingValue (30.0),
RebuildRayTracingShaders (Standard_False),
NbRayTracingTiles (16 * 16),
ToneMappingMethod (Graphic3d_ToneMappingMethod_Disabled),
Exposure (0.f),
WhitePoint (1.f),
// stereoscopic parameters
StereoMode (Graphic3d_StereoMode_QuadBuffer),
AnaglyphFilter (Anaglyph_RedCyan_Optimized),
@@ -116,6 +120,10 @@ public:
Standard_Boolean RebuildRayTracingShaders; //!< forces rebuilding ray tracing shaders at the next frame
Standard_Integer NbRayTracingTiles; //!< total number of screen tiles used in adaptive sampling mode (PT only)
Graphic3d_ToneMappingMethod ToneMappingMethod; //!< specifies tone mapping method for path tracing, Graphic3d_ToneMappingMethod_Disabled by default
Standard_ShortReal Exposure; //!< exposure value used for tone mapping (path tracing), 0.0 by default
Standard_ShortReal WhitePoint; //!< white point value used in filmic tone mapping (path tracing), 1.0 by default
Graphic3d_StereoMode StereoMode; //!< stereoscopic output mode, Graphic3d_StereoMode_QuadBuffer by default
Anaglyph AnaglyphFilter; //!< filter for anaglyph output, Anaglyph_RedCyan_Optimized by default
Graphic3d_Mat4 AnaglyphLeft; //!< left anaglyph filter (in normalized colorspace), Color = AnaglyphRight * theColorRight + AnaglyphLeft * theColorLeft;

26
src/Graphic3d/Graphic3d_ToneMappingMethod.hxx Normal file
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@@ -0,0 +1,26 @@
// Created on: 2017-05-26
// Created by: Andrey GOLODYAEV
// Copyright (c) 2017 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#ifndef _Graphic3d_ToneMappingMethod_HeaderFile
#define _Graphic3d_ToneMappingMethod_HeaderFile
//! Enumerates tone mapping methods.
enum Graphic3d_ToneMappingMethod
{
Graphic3d_ToneMappingMethod_Disabled, //!< Don't use tone mapping
Graphic3d_ToneMappingMethod_Filmic //!< Use filmic tone mapping
};
#endif // _Graphic3d_ToneMappingMethod_HeaderFile