Function interp_5_6_amd

external/basisu/encoder/basisu_gpu_texture.cpp:220–220

	}

	static inline int interp_5_6_amd(int c0, int c1) { assert(c0 < 256 && c1 < 256); return (c0 * 43 + c1 * 21 + 32) >> 6; }
	static inline int interp_half_5_6_amd(int c0, int c1) { assert(c0 < 256 && c1 < 256); return (c0 + c1 + 1) >> 1; }

	bool unpack_bc1_amd(const void *pBlock_bits, color_rgba *pPixels, bool set_alpha)