24 lines
1.2 KiB
C++
24 lines
1.2 KiB
C++
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namespace nv {
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class Color32;
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struct ColorBlock;
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struct BlockDXT1;
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class Vector3;
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class Vector4;
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// All these functions return MSE.
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float compress_dxt1_single_color_optimal(Color32 c, BlockDXT1 * output);
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float compress_dxt1_single_color_optimal(const Vector3 & color, BlockDXT1 * output);
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float compress_dxt1_single_color(const Vector3 * colors, const float * weights, int count, const Vector3 & color_weights, BlockDXT1 * output);
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float compress_dxt1_least_squares_fit(const Vector4 input_colors[16], const Vector3 * colors, const float * weights, int count, const Vector3 & color_weights, BlockDXT1 * output);
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float compress_dxt1_bounding_box_exhaustive(const Vector4 input_colors[16], const Vector3 * colors, const float * weights, int count, const Vector3 & color_weights, bool three_color_mode, int search_limit, BlockDXT1 * output);
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void compress_dxt1_cluster_fit(const Vector4 input_colors[16], const Vector3 * colors, const float * weights, int count, const Vector3 & color_weights, bool three_color_mode, BlockDXT1 * output);
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float compress_dxt1(const Vector4 input_colors[16], const float input_weights[16], const Vector3 & color_weights, bool three_color_mode, BlockDXT1 * output);
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}
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