/* * Copyright (C) 2012 University of Szeged * Copyright (C) 2012 Gabor Rapcsanyi * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY UNIVERSITY OF SZEGED ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL UNIVERSITY OF SZEGED OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef NEONHelpers_h #define NEONHelpers_h #if HAVE(ARM_NEON_INTRINSICS) #include <arm_neon.h> namespace WebCore { inline float32x4_t loadRGBA8AsFloat(uint32_t* source) { uint32x2_t temporary1 = {0, 0}; temporary1 = vset_lane_u32(*source, temporary1, 0); uint16x4_t temporary2 = vget_low_u16(vmovl_u8(vreinterpret_u8_u32(temporary1))); return vcvtq_f32_u32(vmovl_u16(temporary2)); } inline void storeFloatAsRGBA8(float32x4_t data, uint32_t* destination) { uint16x4_t temporary1 = vmovn_u32(vcvtq_u32_f32(data)); uint8x8_t temporary2 = vmovn_u16(vcombine_u16(temporary1, temporary1)); *destination = vget_lane_u32(vreinterpret_u32_u8(temporary2), 0); } } // namespace WebCore #endif // HAVE(ARM_NEON_INTRINSICS) #endif // NEONHelpers_h