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35 lines
943 B
C++
35 lines
943 B
C++
#pragma once
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#include "Texture.h"
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#include <functional>
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#include <memory>
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namespace image
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{
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class TextureConverter
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{
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public:
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TextureConverter(const Texture* inputTexture, const ImageFormat* targetFormat);
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std::unique_ptr<Texture> Convert();
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private:
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static constexpr uint64_t Mask1(unsigned length);
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void SetPixelFunctions(unsigned inBitCount, unsigned outBitCount);
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void CreateOutputTexture();
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void ReorderUnsignedToUnsigned() const;
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void ConvertUnsignedToUnsigned();
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std::function<uint64_t(const void* offset, unsigned bitCount)> m_read_pixel_func;
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std::function<void(void* offset, uint64_t pixel, unsigned bitCount)> m_write_pixel_func;
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const Texture* m_input_texture;
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std::unique_ptr<Texture> m_output_texture;
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const ImageFormat* m_input_format;
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const ImageFormat* m_output_format;
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};
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} // namespace image
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