diff options
Diffstat (limited to 'media/libvpx/vp9/common/arm/neon/vp9_copy_neon.c')
-rw-r--r-- | media/libvpx/vp9/common/arm/neon/vp9_copy_neon.c | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/media/libvpx/vp9/common/arm/neon/vp9_copy_neon.c b/media/libvpx/vp9/common/arm/neon/vp9_copy_neon.c new file mode 100644 index 000000000..f334abe11 --- /dev/null +++ b/media/libvpx/vp9/common/arm/neon/vp9_copy_neon.c @@ -0,0 +1,92 @@ +/* + * Copyright (c) 2014 The WebM project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#include <stddef.h> +#include <arm_neon.h> + +void vp9_convolve_copy_neon( + const uint8_t *src, // r0 + ptrdiff_t src_stride, // r1 + uint8_t *dst, // r2 + ptrdiff_t dst_stride, // r3 + const int16_t *filter_x, + int filter_x_stride, + const int16_t *filter_y, + int filter_y_stride, + int w, + int h) { + uint8x8_t d0u8, d2u8; + uint8x16_t q0u8, q1u8, q2u8, q3u8; + (void)filter_x; (void)filter_x_stride; + (void)filter_y; (void)filter_y_stride; + + if (w > 32) { // copy64 + for (; h > 0; h--) { + q0u8 = vld1q_u8(src); + q1u8 = vld1q_u8(src + 16); + q2u8 = vld1q_u8(src + 32); + q3u8 = vld1q_u8(src + 48); + src += src_stride; + + vst1q_u8(dst, q0u8); + vst1q_u8(dst + 16, q1u8); + vst1q_u8(dst + 32, q2u8); + vst1q_u8(dst + 48, q3u8); + dst += dst_stride; + } + } else if (w == 32) { // copy32 + for (; h > 0; h -= 2) { + q0u8 = vld1q_u8(src); + q1u8 = vld1q_u8(src + 16); + src += src_stride; + q2u8 = vld1q_u8(src); + q3u8 = vld1q_u8(src + 16); + src += src_stride; + + vst1q_u8(dst, q0u8); + vst1q_u8(dst + 16, q1u8); + dst += dst_stride; + vst1q_u8(dst, q2u8); + vst1q_u8(dst + 16, q3u8); + dst += dst_stride; + } + } else if (w > 8) { // copy16 + for (; h > 0; h -= 2) { + q0u8 = vld1q_u8(src); + src += src_stride; + q1u8 = vld1q_u8(src); + src += src_stride; + + vst1q_u8(dst, q0u8); + dst += dst_stride; + vst1q_u8(dst, q1u8); + dst += dst_stride; + } + } else if (w == 8) { // copy8 + for (; h > 0; h -= 2) { + d0u8 = vld1_u8(src); + src += src_stride; + d2u8 = vld1_u8(src); + src += src_stride; + + vst1_u8(dst, d0u8); + dst += dst_stride; + vst1_u8(dst, d2u8); + dst += dst_stride; + } + } else { // copy4 + for (; h > 0; h--) { + *(uint32_t *)dst = *(const uint32_t *)src; + src += src_stride; + dst += dst_stride; + } + } + return; +} |