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Diffstat (limited to '')
-rw-r--r-- | third_party/aom/aom_dsp/arm/highbd_blend_a64_vmask_neon.c | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/arm/highbd_blend_a64_vmask_neon.c b/third_party/aom/aom_dsp/arm/highbd_blend_a64_vmask_neon.c new file mode 100644 index 0000000000..1292e20342 --- /dev/null +++ b/third_party/aom/aom_dsp/arm/highbd_blend_a64_vmask_neon.c @@ -0,0 +1,105 @@ +/* + * Copyright (c) 2023, Alliance for Open Media. All rights reserved + * + * This source code is subject to the terms of the BSD 2 Clause License and + * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License + * was not distributed with this source code in the LICENSE file, you can + * obtain it at www.aomedia.org/license/software. If the Alliance for Open + * Media Patent License 1.0 was not distributed with this source code in the + * PATENTS file, you can obtain it at www.aomedia.org/license/patent. + */ + +#include <arm_neon.h> +#include <assert.h> + +#include "config/aom_config.h" +#include "config/aom_dsp_rtcd.h" + +#include "aom_dsp/arm/blend_neon.h" +#include "aom_dsp/arm/mem_neon.h" +#include "aom_dsp/blend.h" + +void aom_highbd_blend_a64_vmask_neon(uint8_t *dst_8, uint32_t dst_stride, + const uint8_t *src0_8, + uint32_t src0_stride, + const uint8_t *src1_8, + uint32_t src1_stride, const uint8_t *mask, + int w, int h, int bd) { + (void)bd; + + const uint16_t *src0 = CONVERT_TO_SHORTPTR(src0_8); + const uint16_t *src1 = CONVERT_TO_SHORTPTR(src1_8); + uint16_t *dst = CONVERT_TO_SHORTPTR(dst_8); + + assert(IMPLIES(src0 == dst, src0_stride == dst_stride)); + assert(IMPLIES(src1 == dst, src1_stride == dst_stride)); + + assert(h >= 1); + assert(w >= 1); + assert(IS_POWER_OF_TWO(h)); + assert(IS_POWER_OF_TWO(w)); + + assert(bd == 8 || bd == 10 || bd == 12); + + if (w >= 8) { + do { + uint16x8_t m = vmovl_u8(vdup_n_u8(mask[0])); + int i = 0; + do { + uint16x8_t s0 = vld1q_u16(src0 + i); + uint16x8_t s1 = vld1q_u16(src1 + i); + + uint16x8_t blend = alpha_blend_a64_u16x8(m, s0, s1); + + vst1q_u16(dst + i, blend); + i += 8; + } while (i < w); + + mask += 1; + src0 += src0_stride; + src1 += src1_stride; + dst += dst_stride; + } while (--h != 0); + } else if (w == 4) { + do { + uint16x4_t m1 = vdup_n_u16((uint16_t)mask[0]); + uint16x4_t m2 = vdup_n_u16((uint16_t)mask[1]); + uint16x8_t m = vcombine_u16(m1, m2); + uint16x8_t s0 = load_unaligned_u16_4x2(src0, src0_stride); + uint16x8_t s1 = load_unaligned_u16_4x2(src1, src1_stride); + + uint16x8_t blend = alpha_blend_a64_u16x8(m, s0, s1); + + store_u16x4_strided_x2(dst, dst_stride, blend); + + mask += 2; + src0 += 2 * src0_stride; + src1 += 2 * src1_stride; + dst += 2 * dst_stride; + h -= 2; + } while (h != 0); + } else if (w == 2 && h >= 8) { + do { + uint16x4_t m0 = vdup_n_u16(0); + m0 = vld1_lane_u16((uint16_t *)mask, m0, 0); + uint8x8_t m0_zip = + vzip_u8(vreinterpret_u8_u16(m0), vreinterpret_u8_u16(m0)).val[0]; + m0 = vget_low_u16(vmovl_u8(m0_zip)); + uint16x4_t s0 = load_unaligned_u16_2x2(src0, src0_stride); + uint16x4_t s1 = load_unaligned_u16_2x2(src1, src1_stride); + + uint16x4_t blend = alpha_blend_a64_u16x4(m0, s0, s1); + + store_u16x2_strided_x2(dst, dst_stride, blend); + + mask += 2; + src0 += 2 * src0_stride; + src1 += 2 * src1_stride; + dst += 2 * dst_stride; + h -= 2; + } while (h != 0); + } else { + aom_highbd_blend_a64_vmask_c(dst_8, dst_stride, src0_8, src0_stride, src1_8, + src1_stride, mask, w, h, bd); + } +} |