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https://git.dev.opencascade.org/repos/occt.git
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72f6dc612c
OpenGl_ShaderManager - metallic-roughness, emissive, occlusion and normal texture maps are now supported by PBR. Emissive, occlusion and normal texture maps are now supported by Phong shading model. Path-Tracing now handles metallic-roughness and emissive texture maps. Graphic3d_TextureUnit enumeration has been extended by new values corresponding to supported texture maps. OpenGl_TextureSet and OpenGl_ShaderProgram have been extended with bitmask Graphic3d_TextureSetBits identifying texture slots read from GLSL Program and slots defined within Texture Set to avoid undefined behavior by binding mock textures. OpenGl_TextureSet now duplicates texture unit information to handle textures shared across multiple slots (like Occlusion [R] + Metallic-Roughness [GB]). OpenGl_Context::BindTextures() has been extended with active GLSL program paramter to set mock textures to texture units used by program but undefined by texture set. OpenGl_Workspace::ApplyAspects() has been extended with parameter to avoid bining texture set.
75 lines
2.5 KiB
C++
75 lines
2.5 KiB
C++
// Created by: Kirill GAVRILOV
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// Copyright (c) 2013-2014 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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#include <OpenGl_TextureSet.hxx>
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#include <OpenGl_Texture.hxx>
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IMPLEMENT_STANDARD_RTTIEXT(OpenGl_TextureSet, Standard_Transient)
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// =======================================================================
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// function : OpenGl_TextureSet
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// purpose :
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// =======================================================================
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OpenGl_TextureSet::OpenGl_TextureSet (const Handle(OpenGl_Texture)& theTexture)
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: myTextures (0, 0),
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myTextureSetBits (Graphic3d_TextureSetBits_NONE)
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{
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if (!theTexture.IsNull())
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{
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myTextures.ChangeFirst().Texture = theTexture;
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myTextures.ChangeFirst().Unit = theTexture->Sampler()->Parameters()->TextureUnit();
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}
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}
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// =======================================================================
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// function : IsModulate
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// purpose :
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// =======================================================================
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bool OpenGl_TextureSet::IsModulate() const
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{
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return myTextures.IsEmpty()
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|| myTextures.First().Texture.IsNull()
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|| myTextures.First().Texture->Sampler()->Parameters()->IsModulate();
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}
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// =======================================================================
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// function : HasNonPointSprite
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// purpose :
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// =======================================================================
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bool OpenGl_TextureSet::HasNonPointSprite() const
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{
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if (myTextures.IsEmpty())
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{
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return false;
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}
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else if (myTextures.Size() == 1)
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{
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return !myTextures.First().Texture.IsNull()
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&& !myTextures.First().Texture->IsPointSprite();
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}
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return !myTextures.First().Texture.IsNull();
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}
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// =======================================================================
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// function : HasPointSprite
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// purpose :
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// =======================================================================
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bool OpenGl_TextureSet::HasPointSprite() const
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{
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return !myTextures.IsEmpty()
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&& !myTextures.Last().Texture.IsNull()
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&& myTextures.Last().Texture->IsPointSprite();
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}
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