756f12c994
Add support for color offsets. Add support for special swizzles that select default const values.
124 lines
3.1 KiB
C++
124 lines
3.1 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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#ifndef NV_TT_INPUTOPTIONS_H
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#define NV_TT_INPUTOPTIONS_H
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#include <nvcore/Ptr.h>
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#include <nvmath/Vector.h>
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#include <nvmath/Matrix.h>
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#include <nvimage/Image.h>
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#include <nvimage/FloatImage.h>
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#include "nvtt.h"
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namespace nvtt
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{
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struct InputOptions::Private
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{
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Private() : images(NULL) {}
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WrapMode wrapMode;
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TextureType textureType;
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InputFormat inputFormat;
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AlphaMode alphaMode;
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uint faceCount;
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uint mipmapCount;
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uint imageCount;
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struct InputImage;
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InputImage * images;
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// Gamma conversion.
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float inputGamma;
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float outputGamma;
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// Color transform.
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ColorTransform colorTransform;
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nv::Matrix linearTransform;
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float colorOffsets[4];
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uint swizzleTransform[4];
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// Mipmap generation options.
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bool generateMipmaps;
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int maxLevel;
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MipmapFilter mipmapFilter;
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// Kaiser filter parameters.
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float kaiserWidth;
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float kaiserAlpha;
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float kaiserStretch;
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// Normal map options.
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bool isNormalMap;
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bool normalizeMipmaps;
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bool convertToNormalMap;
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nv::Vector4 heightFactors;
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nv::Vector4 bumpFrequencyScale;
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// Adjust extents.
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uint maxExtent;
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RoundMode roundMode;
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bool premultiplyAlpha;
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// @@ These are computed in nvtt::compress, so they should be mutable or stored elsewhere...
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mutable uint targetWidth;
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mutable uint targetHeight;
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mutable uint targetDepth;
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mutable uint targetMipmapCount;
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void computeTargetExtents() const;
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int realMipmapCount() const;
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const nv::Image * image(uint face, uint mipmap) const;
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const nv::Image * image(uint idx) const;
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const nv::FloatImage * floatImage(uint idx) const;
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};
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// Internal image structure.
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struct InputOptions::Private::InputImage
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{
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InputImage() {}
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bool hasValidData() const { return uint8data != NULL || floatdata != NULL; }
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int mipLevel;
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int face;
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int width;
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int height;
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int depth;
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nv::AutoPtr<nv::Image> uint8data;
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nv::AutoPtr<nv::FloatImage> floatdata;
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};
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} // nvtt namespace
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#endif // NV_TT_INPUTOPTIONS_H
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