| /* |
| * 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 |
| |
| #include <wtf/Platform.h> |
| |
| #if ENABLE(FILTERS) && 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 // ENABLE(FILTERS) && HAVE(ARM_NEON_INTRINSICS) |
| |
| #endif // NEONHelpers_h |
