diff options
Diffstat (limited to 'third_party/aom/av1/common/arm/blend_a64_hmask_neon.c')
-rw-r--r-- | third_party/aom/av1/common/arm/blend_a64_hmask_neon.c | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/arm/blend_a64_hmask_neon.c b/third_party/aom/av1/common/arm/blend_a64_hmask_neon.c new file mode 100644 index 0000000000..7afb1a909d --- /dev/null +++ b/third_party/aom/av1/common/arm/blend_a64_hmask_neon.c @@ -0,0 +1,102 @@ +/* + * + * Copyright (c) 2018, 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_dsp_rtcd.h" + +#include "aom/aom_integer.h" +#include "aom_dsp/aom_dsp_common.h" +#include "aom_dsp/arm/blend_neon.h" +#include "aom_dsp/arm/mem_neon.h" + +void aom_blend_a64_hmask_neon(uint8_t *dst, uint32_t dst_stride, + const uint8_t *src0, uint32_t src0_stride, + const uint8_t *src1, uint32_t src1_stride, + const uint8_t *mask, int w, int h) { + assert(IMPLIES(src0 == dst, src0_stride == dst_stride)); + assert(IMPLIES(src1 == dst, src1_stride == dst_stride)); + + assert(h >= 2); + assert(w >= 2); + assert(IS_POWER_OF_TWO(h)); + assert(IS_POWER_OF_TWO(w)); + + if (w > 8) { + do { + int i = 0; + do { + uint8x16_t m0 = vld1q_u8(mask + i); + uint8x16_t s0 = vld1q_u8(src0 + i); + uint8x16_t s1 = vld1q_u8(src1 + i); + + uint8x16_t blend = alpha_blend_a64_u8x16(m0, s0, s1); + + vst1q_u8(dst + i, blend); + + i += 16; + } while (i < w); + + src0 += src0_stride; + src1 += src1_stride; + dst += dst_stride; + } while (--h != 0); + } else if (w == 8) { + const uint8x8_t m0 = vld1_u8(mask); + do { + uint8x8_t s0 = vld1_u8(src0); + uint8x8_t s1 = vld1_u8(src1); + + uint8x8_t blend = alpha_blend_a64_u8x8(m0, s0, s1); + + vst1_u8(dst, blend); + + src0 += src0_stride; + src1 += src1_stride; + dst += dst_stride; + } while (--h != 0); + } else if (w == 4) { + const uint8x8_t m0 = load_unaligned_dup_u8_4x2(mask); + do { + uint8x8_t s0 = load_unaligned_u8_4x2(src0, src0_stride); + uint8x8_t s1 = load_unaligned_u8_4x2(src1, src1_stride); + + uint8x8_t blend = alpha_blend_a64_u8x8(m0, s0, s1); + + store_u8x4_strided_x2(dst, dst_stride, blend); + + src0 += 2 * src0_stride; + src1 += 2 * src1_stride; + dst += 2 * dst_stride; + h -= 2; + } while (h != 0); + } else if (w == 2 && h >= 16) { + const uint8x8_t m0 = vreinterpret_u8_u16(vld1_dup_u16((uint16_t *)mask)); + do { + uint8x8_t s0 = load_unaligned_u8_2x2(src0, src0_stride); + uint8x8_t s1 = load_unaligned_u8_2x2(src1, src1_stride); + + uint8x8_t blend = alpha_blend_a64_u8x8(m0, s0, s1); + + store_u8x2_strided_x2(dst, dst_stride, blend); + + src0 += 2 * src0_stride; + src1 += 2 * src1_stride; + dst += 2 * dst_stride; + h -= 2; + } while (h != 0); + } else { + aom_blend_a64_hmask_c(dst, dst_stride, src0, src0_stride, src1, src1_stride, + mask, w, h); + } +} |