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60 lines
2.1 KiB
C++
60 lines
2.1 KiB
C++
// Copyright NVIDIA Corporation 2007 -- Ignacio Castano <icastano@nvidia.com>
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//
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// Permission is hereby granted, free of charge, to any person
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// obtaining a copy of this software and associated documentation
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// files (the "Software"), to deal in the Software without
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// restriction, including without limitation the rights to use,
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// copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following
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// conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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// OTHER DEALINGS IN THE SOFTWARE.
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#pragma once
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#ifndef NV_IMAGE_NORMALMAP_H
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#define NV_IMAGE_NORMALMAP_H
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#include "nvimage.h"
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#include "FloatImage.h"
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#include "nvmath/Vector.h"
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namespace nv
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{
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class Image;
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enum NormalMapFilter
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{
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NormalMapFilter_Sobel3x3, // fine detail
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NormalMapFilter_Sobel5x5, // medium detail
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NormalMapFilter_Sobel7x7, // large detail
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NormalMapFilter_Sobel9x9, // very large
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};
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// @@ These two functions should be deprecated:
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FloatImage * createNormalMap(const Image * img, FloatImage::WrapMode wm, Vector4::Arg heightWeights, NormalMapFilter filter = NormalMapFilter_Sobel3x3);
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FloatImage * createNormalMap(const Image * img, FloatImage::WrapMode wm, Vector4::Arg heightWeights, Vector4::Arg filterWeights);
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FloatImage * createNormalMap(const FloatImage * img, FloatImage::WrapMode wm, Vector4::Arg filterWeights);
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void normalizeNormalMap(FloatImage * img);
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// @@ Add generation of DU/DV maps.
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} // nv namespace
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#endif // NV_IMAGE_NORMALMAP_H
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