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49 lines
1.8 KiB
C++
49 lines
1.8 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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#include <memory>
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#include <type_traits>
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#include "../../BlockDecoder.h"
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#include "../../BlockView.h"
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#include "../../ndebug.h"
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#include "../Interpolator.h"
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#include "BC1Block.h"
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namespace quicktex {
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class BC1Decoder final : public BlockDecoderTemplate<BC1Block, 4, 4> {
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public:
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using InterpolatorPtr = std::shared_ptr<Interpolator>;
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BC1Decoder(Interpolator::Type type = Interpolator::Type::Ideal, bool write_alpha = false)
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: write_alpha(write_alpha), _interpolator(Interpolator::MakeInterpolator(type)) {}
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void DecodeBlock(Color4x4 dest, BC1Block *const block) const noexcept(ndebug) override;
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Interpolator::Type GetInterpolatorType() const { return _interpolator->GetType(); }
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constexpr bool WritesAlpha() const { return write_alpha; }
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bool write_alpha;
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private:
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const InterpolatorPtr _interpolator;
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};
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} // namespace quicktex
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