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73 lines
2.4 KiB
C++
73 lines
2.4 KiB
C++
/* Python-rgbcx Texture Compression Library
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Copyright (C) 2021 Andrew Cassidy <drewcassidy@me.com>
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Partially derived from rgbcx.h written by Richard Geldreich <richgel99@gmail.com>
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and licenced under the public domain
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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 Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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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 Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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namespace rgbcx {
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class Interpolator {
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public:
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virtual int Interpolate5(int v0, int v1) = 0;
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virtual int Interpolate6(int v0, int v1) = 0;
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virtual int InterpolateHalf5(int v0, int v1) = 0;
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virtual int InterpolateHalf6(int v0, int v1) = 0;
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virtual ~Interpolator() noexcept = default;
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};
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class InterpolatorIdeal : public Interpolator {
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public:
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virtual int Interpolate5(int v0, int v1);
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virtual int Interpolate6(int v0, int v1);
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virtual int InterpolateHalf5(int v0, int v1);
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virtual int InterpolateHalf6(int v0, int v1);
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private:
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int Interpolate5or6(int v0, int v1);
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int InterpolateHalf5or6(int v0, int v1);
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};
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class InterpolatorIdealRound : public InterpolatorIdeal {
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public:
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virtual int Interpolate5(int v0, int v1);
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virtual int Interpolate6(int v0, int v1);
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private:
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int Interpolate5or6Round(int v0, int v1);
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};
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class InterpolatorNvidia : public Interpolator {
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public:
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virtual int Interpolate5(int v0, int v1);
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virtual int Interpolate6(int v0, int v1);
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virtual int InterpolateHalf5(int v0, int v1);
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virtual int InterpolateHalf6(int v0, int v1);
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};
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class InterpolatorAMD : public Interpolator {
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public:
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virtual int Interpolate5(int v0, int v1);
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virtual int Interpolate6(int v0, int v1);
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virtual int InterpolateHalf5(int v0, int v1);
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virtual int InterpolateHalf6(int v0, int v1);
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private:
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int Interpolate5or6(int v0, int v1);
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int InterpolateHalf5or6(int v0, int v1);
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};
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} // namespace rgbcx
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