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55 lines
1.9 KiB
C++
55 lines
1.9 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#ifndef CUBE_MAP_BUILDER_H
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#define CUBE_MAP_BUILDER_H
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#include "nel/misc/rgba.h"
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namespace NLMISC
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{
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class CVector;
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}
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namespace NL3D
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{
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class CTextureCube;
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/** A cube map functor should return a color from a vector (with each coordinate ranging from [-1..1]
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*/
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struct ICubeMapFunctor
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{
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virtual ~ICubeMapFunctor() {}
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virtual NLMISC::CRGBA operator()(const NLMISC::CVector &v) = 0;
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};
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/** Build a cube map by using the given functor. This also avoid headaches :)
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* Each face is encoded in a memory texture
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* \param mapSize the size of each tface of the cube map
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* \param f a functor that helps to build the cube map.
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* \param luminanceOnly When set to true, a luminance cube map is build. The luminance is taken from the alpha component of the color produced by the functor.
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* Warning : this isn't supported anywhere.
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* \param shareName a prefix for sharename. If not empty this allow each face of the cube map to be sharable (a number is appended to the given string)
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*/
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CTextureCube *BuildCubeMap(sint mapSize, ICubeMapFunctor &f, bool luminanceOnly = false, const std::string &shareName = "");
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}
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#endif
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