26 lines
788 B
C++
26 lines
788 B
C++
// Copyright (c) the JPEG XL Project Authors. All rights reserved.
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//
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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#ifndef LIB_JXL_OPSIN_PARAMS_H_
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#define LIB_JXL_OPSIN_PARAMS_H_
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// Constants that define the XYB color space.
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#include "lib/jxl/base/compiler_specific.h"
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#include "lib/jxl/base/matrix_ops.h"
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namespace jxl {
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// Returns 3x3 row-major matrix inverse of kOpsinAbsorbanceMatrix.
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// opsin_image_test verifies this is actually the inverse.
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const Matrix3x3& GetOpsinAbsorbanceInverseMatrix();
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void InitSIMDInverseMatrix(const Matrix3x3& inverse,
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float* JXL_RESTRICT simd_inverse,
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float intensity_target);
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} // namespace jxl
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#endif // LIB_JXL_OPSIN_PARAMS_H_
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