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| 1 /* | |
| 2 * Copyright (C) 2012 University of Szeged | |
| 3 * Copyright (C) 2012 Gabor Rapcsanyi | |
| 4 * | |
| 5 * Redistribution and use in source and binary forms, with or without | |
| 6 * modification, are permitted provided that the following conditions | |
| 7 * are met: | |
| 8 * 1. Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * 2. Redistributions in binary form must reproduce the above copyright | |
| 11 * notice, this list of conditions and the following disclaimer in the | |
| 12 * documentation and/or other materials provided with the distribution. | |
| 13 * | |
| 14 * THIS SOFTWARE IS PROVIDED BY UNIVERSITY OF SZEGED ``AS IS'' AND ANY | |
| 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL UNIVERSITY OF SZEGED OR | |
| 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 25 */ | |
| 26 | |
| 27 #ifndef NEONHelpers_h | |
| 28 #define NEONHelpers_h | |
| 29 | |
| 30 #if HAVE(ARM_NEON_INTRINSICS) | |
| 31 | |
| 32 #include <arm_neon.h> | |
| 33 | |
| 34 namespace WebCore { | |
| 35 | |
| 36 inline float32x4_t loadRGBA8AsFloat(uint32_t* source) | |
| 37 { | |
| 38 uint32x2_t temporary1 = {0, 0}; | |
| 39 temporary1 = vset_lane_u32(*source, temporary1, 0); | |
| 40 uint16x4_t temporary2 = vget_low_u16(vmovl_u8(vreinterpret_u8_u32(temporary1
))); | |
| 41 return vcvtq_f32_u32(vmovl_u16(temporary2)); | |
| 42 } | |
| 43 | |
| 44 inline void storeFloatAsRGBA8(float32x4_t data, uint32_t* destination) | |
| 45 { | |
| 46 uint16x4_t temporary1 = vmovn_u32(vcvtq_u32_f32(data)); | |
| 47 uint8x8_t temporary2 = vmovn_u16(vcombine_u16(temporary1, temporary1)); | |
| 48 *destination = vget_lane_u32(vreinterpret_u32_u8(temporary2), 0); | |
| 49 } | |
| 50 | |
| 51 } // namespace WebCore | |
| 52 | |
| 53 #endif // HAVE(ARM_NEON_INTRINSICS) | |
| 54 | |
| 55 #endif // NEONHelpers_h | |
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Chromium Code Reviews
Issue 99103006:
Moving GraphicsContext and dependencies from core to platform. (Closed)
Base URL: svn://svn.chromium.org/blink/trunk