summaryrefslogtreecommitdiffstats
path: root/third_party/aom/aom_dsp/arm/blend_a64_mask_neon.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--third_party/aom/aom_dsp/arm/blend_a64_mask_neon.c492
1 files changed, 492 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/arm/blend_a64_mask_neon.c b/third_party/aom/aom_dsp/arm/blend_a64_mask_neon.c
new file mode 100644
index 0000000000..1bc3b80310
--- /dev/null
+++ b/third_party/aom/aom_dsp/arm/blend_a64_mask_neon.c
@@ -0,0 +1,492 @@
+/*
+ * 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"
+#include "aom_dsp/blend.h"
+
+uint8x8_t alpha_blend_a64_d16_u16x8(uint16x8_t m, uint16x8_t a, uint16x8_t b,
+ uint16x8_t round_offset) {
+ const uint16x8_t m_inv = vsubq_u16(vdupq_n_u16(AOM_BLEND_A64_MAX_ALPHA), m);
+
+ uint32x4_t blend_u32_lo = vmull_u16(vget_low_u16(m), vget_low_u16(a));
+ uint32x4_t blend_u32_hi = vmull_u16(vget_high_u16(m), vget_high_u16(a));
+
+ blend_u32_lo = vmlal_u16(blend_u32_lo, vget_low_u16(m_inv), vget_low_u16(b));
+ blend_u32_hi =
+ vmlal_u16(blend_u32_hi, vget_high_u16(m_inv), vget_high_u16(b));
+
+ uint16x4_t blend_u16_lo = vshrn_n_u32(blend_u32_lo, AOM_BLEND_A64_ROUND_BITS);
+ uint16x4_t blend_u16_hi = vshrn_n_u32(blend_u32_hi, AOM_BLEND_A64_ROUND_BITS);
+
+ uint16x8_t res = vcombine_u16(blend_u16_lo, blend_u16_hi);
+
+ res = vqsubq_u16(res, round_offset);
+
+ return vqrshrn_n_u16(res,
+ 2 * FILTER_BITS - ROUND0_BITS - COMPOUND_ROUND1_BITS);
+}
+
+void aom_lowbd_blend_a64_d16_mask_neon(
+ uint8_t *dst, uint32_t dst_stride, const CONV_BUF_TYPE *src0,
+ uint32_t src0_stride, const CONV_BUF_TYPE *src1, uint32_t src1_stride,
+ const uint8_t *mask, uint32_t mask_stride, int w, int h, int subw, int subh,
+ ConvolveParams *conv_params) {
+ (void)conv_params;
+
+ const int bd = 8;
+ const int offset_bits = bd + 2 * FILTER_BITS - ROUND0_BITS;
+ const int round_offset = (1 << (offset_bits - COMPOUND_ROUND1_BITS)) +
+ (1 << (offset_bits - COMPOUND_ROUND1_BITS - 1));
+ const uint16x8_t offset_vec = vdupq_n_u16(round_offset);
+
+ assert(IMPLIES((void *)src0 == dst, src0_stride == dst_stride));
+ assert(IMPLIES((void *)src1 == dst, src1_stride == dst_stride));
+
+ assert(h >= 4);
+ assert(w >= 4);
+ assert(IS_POWER_OF_TWO(h));
+ assert(IS_POWER_OF_TWO(w));
+
+ if (subw == 0 && subh == 0) {
+ if (w >= 8) {
+ do {
+ int i = 0;
+ do {
+ uint16x8_t m0 = vmovl_u8(vld1_u8(mask + i));
+ uint16x8_t s0 = vld1q_u16(src0 + i);
+ uint16x8_t s1 = vld1q_u16(src1 + i);
+
+ uint8x8_t blend = alpha_blend_a64_d16_u16x8(m0, s0, s1, offset_vec);
+
+ vst1_u8(dst + i, blend);
+ i += 8;
+ } while (i < w);
+
+ mask += mask_stride;
+ src0 += src0_stride;
+ src1 += src1_stride;
+ dst += dst_stride;
+ } while (--h != 0);
+ } else {
+ do {
+ uint16x8_t m0 = vmovl_u8(load_unaligned_u8_4x2(mask, mask_stride));
+ uint16x8_t s0 = load_unaligned_u16_4x2(src0, src0_stride);
+ uint16x8_t s1 = load_unaligned_u16_4x2(src1, src1_stride);
+
+ uint8x8_t blend = alpha_blend_a64_d16_u16x8(m0, s0, s1, offset_vec);
+
+ store_u8x4_strided_x2(dst, dst_stride, blend);
+
+ mask += 2 * mask_stride;
+ src0 += 2 * src0_stride;
+ src1 += 2 * src1_stride;
+ dst += 2 * dst_stride;
+ h -= 2;
+ } while (h != 0);
+ }
+ } else if (subw == 1 && subh == 1) {
+ if (w >= 8) {
+ do {
+ int i = 0;
+ do {
+ uint8x8_t m0 = vld1_u8(mask + 0 * mask_stride + 2 * i);
+ uint8x8_t m1 = vld1_u8(mask + 1 * mask_stride + 2 * i);
+ uint8x8_t m2 = vld1_u8(mask + 0 * mask_stride + 2 * i + 8);
+ uint8x8_t m3 = vld1_u8(mask + 1 * mask_stride + 2 * i + 8);
+ uint16x8_t s0 = vld1q_u16(src0 + i);
+ uint16x8_t s1 = vld1q_u16(src1 + i);
+
+ uint16x8_t m_avg =
+ vmovl_u8(avg_blend_pairwise_u8x8_4(m0, m1, m2, m3));
+
+ uint8x8_t blend =
+ alpha_blend_a64_d16_u16x8(m_avg, s0, s1, offset_vec);
+
+ vst1_u8(dst + i, blend);
+ i += 8;
+ } while (i < w);
+
+ mask += 2 * mask_stride;
+ src0 += src0_stride;
+ src1 += src1_stride;
+ dst += dst_stride;
+ } while (--h != 0);
+ } else {
+ do {
+ uint8x8_t m0 = vld1_u8(mask + 0 * mask_stride);
+ uint8x8_t m1 = vld1_u8(mask + 1 * mask_stride);
+ uint8x8_t m2 = vld1_u8(mask + 2 * mask_stride);
+ uint8x8_t m3 = vld1_u8(mask + 3 * mask_stride);
+ uint16x8_t s0 = load_unaligned_u16_4x2(src0, src0_stride);
+ uint16x8_t s1 = load_unaligned_u16_4x2(src1, src1_stride);
+
+ uint16x8_t m_avg = vmovl_u8(avg_blend_pairwise_u8x8_4(m0, m1, m2, m3));
+ uint8x8_t blend = alpha_blend_a64_d16_u16x8(m_avg, s0, s1, offset_vec);
+
+ store_u8x4_strided_x2(dst, dst_stride, blend);
+
+ mask += 4 * mask_stride;
+ src0 += 2 * src0_stride;
+ src1 += 2 * src1_stride;
+ dst += 2 * dst_stride;
+ h -= 2;
+ } while (h != 0);
+ }
+ } else if (subw == 1 && subh == 0) {
+ if (w >= 8) {
+ do {
+ int i = 0;
+ do {
+ uint8x8_t m0 = vld1_u8(mask + 2 * i);
+ uint8x8_t m1 = vld1_u8(mask + 2 * i + 8);
+ uint16x8_t s0 = vld1q_u16(src0 + i);
+ uint16x8_t s1 = vld1q_u16(src1 + i);
+
+ uint16x8_t m_avg = vmovl_u8(avg_blend_pairwise_u8x8(m0, m1));
+ uint8x8_t blend =
+ alpha_blend_a64_d16_u16x8(m_avg, s0, s1, offset_vec);
+
+ vst1_u8(dst + i, blend);
+ i += 8;
+ } while (i < w);
+
+ mask += mask_stride;
+ src0 += src0_stride;
+ src1 += src1_stride;
+ dst += dst_stride;
+ } while (--h != 0);
+ } else {
+ do {
+ uint8x8_t m0 = vld1_u8(mask + 0 * mask_stride);
+ uint8x8_t m1 = vld1_u8(mask + 1 * mask_stride);
+ uint16x8_t s0 = load_unaligned_u16_4x2(src0, src0_stride);
+ uint16x8_t s1 = load_unaligned_u16_4x2(src1, src1_stride);
+
+ uint16x8_t m_avg = vmovl_u8(avg_blend_pairwise_u8x8(m0, m1));
+ uint8x8_t blend = alpha_blend_a64_d16_u16x8(m_avg, s0, s1, offset_vec);
+
+ store_u8x4_strided_x2(dst, dst_stride, blend);
+
+ mask += 2 * mask_stride;
+ src0 += 2 * src0_stride;
+ src1 += 2 * src1_stride;
+ dst += 2 * dst_stride;
+ h -= 2;
+ } while (h != 0);
+ }
+ } else {
+ if (w >= 8) {
+ do {
+ int i = 0;
+ do {
+ uint8x8_t m0 = vld1_u8(mask + 0 * mask_stride + i);
+ uint8x8_t m1 = vld1_u8(mask + 1 * mask_stride + i);
+ uint16x8_t s0 = vld1q_u16(src0 + i);
+ uint16x8_t s1 = vld1q_u16(src1 + i);
+
+ uint16x8_t m_avg = vmovl_u8(avg_blend_u8x8(m0, m1));
+ uint8x8_t blend =
+ alpha_blend_a64_d16_u16x8(m_avg, s0, s1, offset_vec);
+
+ vst1_u8(dst + i, blend);
+ i += 8;
+ } while (i < w);
+
+ mask += 2 * mask_stride;
+ src0 += src0_stride;
+ src1 += src1_stride;
+ dst += dst_stride;
+ } while (--h != 0);
+ } else {
+ do {
+ uint8x8_t m0_2 =
+ load_unaligned_u8_4x2(mask + 0 * mask_stride, 2 * mask_stride);
+ uint8x8_t m1_3 =
+ load_unaligned_u8_4x2(mask + 1 * mask_stride, 2 * mask_stride);
+ uint16x8_t s0 = load_unaligned_u16_4x2(src0, src0_stride);
+ uint16x8_t s1 = load_unaligned_u16_4x2(src1, src1_stride);
+
+ uint16x8_t m_avg = vmovl_u8(avg_blend_u8x8(m0_2, m1_3));
+ uint8x8_t blend = alpha_blend_a64_d16_u16x8(m_avg, s0, s1, offset_vec);
+
+ store_u8x4_strided_x2(dst, dst_stride, blend);
+
+ mask += 4 * mask_stride;
+ src0 += 2 * src0_stride;
+ src1 += 2 * src1_stride;
+ dst += 2 * dst_stride;
+ h -= 2;
+ } while (h != 0);
+ }
+ }
+}
+
+void aom_blend_a64_mask_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, uint32_t mask_stride, int w,
+ int h, int subw, int subh) {
+ 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));
+
+ if ((subw | subh) == 0) {
+ 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);
+
+ mask += mask_stride;
+ src0 += src0_stride;
+ src1 += src1_stride;
+ dst += dst_stride;
+ } while (--h != 0);
+ } else if (w == 8) {
+ do {
+ uint8x8_t m0 = vld1_u8(mask);
+ 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);
+
+ mask += mask_stride;
+ src0 += src0_stride;
+ src1 += src1_stride;
+ dst += dst_stride;
+ } while (--h != 0);
+ } else {
+ do {
+ uint8x8_t m0 = load_unaligned_u8_4x2(mask, mask_stride);
+ 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);
+
+ mask += 2 * mask_stride;
+ src0 += 2 * src0_stride;
+ src1 += 2 * src1_stride;
+ dst += 2 * dst_stride;
+ h -= 2;
+ } while (h != 0);
+ }
+ } else if ((subw & subh) == 1) {
+ if (w > 8) {
+ do {
+ int i = 0;
+ do {
+ uint8x16_t m0 = vld1q_u8(mask + 0 * mask_stride + 2 * i);
+ uint8x16_t m1 = vld1q_u8(mask + 1 * mask_stride + 2 * i);
+ uint8x16_t m2 = vld1q_u8(mask + 0 * mask_stride + 2 * i + 16);
+ uint8x16_t m3 = vld1q_u8(mask + 1 * mask_stride + 2 * i + 16);
+ uint8x16_t s0 = vld1q_u8(src0 + i);
+ uint8x16_t s1 = vld1q_u8(src1 + i);
+
+ uint8x16_t m_avg = avg_blend_pairwise_u8x16_4(m0, m1, m2, m3);
+ uint8x16_t blend = alpha_blend_a64_u8x16(m_avg, s0, s1);
+
+ vst1q_u8(dst + i, blend);
+
+ i += 16;
+ } while (i < w);
+
+ mask += 2 * mask_stride;
+ src0 += src0_stride;
+ src1 += src1_stride;
+ dst += dst_stride;
+ } while (--h != 0);
+ } else if (w == 8) {
+ do {
+ uint8x8_t m0 = vld1_u8(mask + 0 * mask_stride);
+ uint8x8_t m1 = vld1_u8(mask + 1 * mask_stride);
+ uint8x8_t m2 = vld1_u8(mask + 0 * mask_stride + 8);
+ uint8x8_t m3 = vld1_u8(mask + 1 * mask_stride + 8);
+ uint8x8_t s0 = vld1_u8(src0);
+ uint8x8_t s1 = vld1_u8(src1);
+
+ uint8x8_t m_avg = avg_blend_pairwise_u8x8_4(m0, m1, m2, m3);
+ uint8x8_t blend = alpha_blend_a64_u8x8(m_avg, s0, s1);
+
+ vst1_u8(dst, blend);
+
+ mask += 2 * mask_stride;
+ src0 += src0_stride;
+ src1 += src1_stride;
+ dst += dst_stride;
+ } while (--h != 0);
+ } else {
+ do {
+ uint8x8_t m0 = vld1_u8(mask + 0 * mask_stride);
+ uint8x8_t m1 = vld1_u8(mask + 1 * mask_stride);
+ uint8x8_t m2 = vld1_u8(mask + 2 * mask_stride);
+ uint8x8_t m3 = vld1_u8(mask + 3 * mask_stride);
+ uint8x8_t s0 = load_unaligned_u8_4x2(src0, src0_stride);
+ uint8x8_t s1 = load_unaligned_u8_4x2(src1, src1_stride);
+
+ uint8x8_t m_avg = avg_blend_pairwise_u8x8_4(m0, m1, m2, m3);
+ uint8x8_t blend = alpha_blend_a64_u8x8(m_avg, s0, s1);
+
+ store_u8x4_strided_x2(dst, dst_stride, blend);
+
+ mask += 4 * mask_stride;
+ src0 += 2 * src0_stride;
+ src1 += 2 * src1_stride;
+ dst += 2 * dst_stride;
+ h -= 2;
+ } while (h != 0);
+ }
+ } else if (subw == 1 && subh == 0) {
+ if (w > 8) {
+ do {
+ int i = 0;
+
+ do {
+ uint8x16_t m0 = vld1q_u8(mask + 2 * i);
+ uint8x16_t m1 = vld1q_u8(mask + 2 * i + 16);
+ uint8x16_t s0 = vld1q_u8(src0 + i);
+ uint8x16_t s1 = vld1q_u8(src1 + i);
+
+ uint8x16_t m_avg = avg_blend_pairwise_u8x16(m0, m1);
+ uint8x16_t blend = alpha_blend_a64_u8x16(m_avg, s0, s1);
+
+ vst1q_u8(dst + i, blend);
+
+ i += 16;
+ } while (i < w);
+
+ mask += mask_stride;
+ src0 += src0_stride;
+ src1 += src1_stride;
+ dst += dst_stride;
+ } while (--h != 0);
+ } else if (w == 8) {
+ do {
+ uint8x8_t m0 = vld1_u8(mask);
+ uint8x8_t m1 = vld1_u8(mask + 8);
+ uint8x8_t s0 = vld1_u8(src0);
+ uint8x8_t s1 = vld1_u8(src1);
+
+ uint8x8_t m_avg = avg_blend_pairwise_u8x8(m0, m1);
+ uint8x8_t blend = alpha_blend_a64_u8x8(m_avg, s0, s1);
+
+ vst1_u8(dst, blend);
+
+ mask += mask_stride;
+ src0 += src0_stride;
+ src1 += src1_stride;
+ dst += dst_stride;
+ } while (--h != 0);
+ } else {
+ do {
+ uint8x8_t m0 = vld1_u8(mask + 0 * mask_stride);
+ uint8x8_t m1 = vld1_u8(mask + 1 * mask_stride);
+ uint8x8_t s0 = load_unaligned_u8_4x2(src0, src0_stride);
+ uint8x8_t s1 = load_unaligned_u8_4x2(src1, src1_stride);
+
+ uint8x8_t m_avg = avg_blend_pairwise_u8x8(m0, m1);
+ uint8x8_t blend = alpha_blend_a64_u8x8(m_avg, s0, s1);
+
+ store_u8x4_strided_x2(dst, dst_stride, blend);
+
+ mask += 2 * mask_stride;
+ src0 += 2 * src0_stride;
+ src1 += 2 * src1_stride;
+ dst += 2 * dst_stride;
+ h -= 2;
+ } while (h != 0);
+ }
+ } else {
+ if (w > 8) {
+ do {
+ int i = 0;
+ do {
+ uint8x16_t m0 = vld1q_u8(mask + 0 * mask_stride + i);
+ uint8x16_t m1 = vld1q_u8(mask + 1 * mask_stride + i);
+ uint8x16_t s0 = vld1q_u8(src0 + i);
+ uint8x16_t s1 = vld1q_u8(src1 + i);
+
+ uint8x16_t m_avg = avg_blend_u8x16(m0, m1);
+ uint8x16_t blend = alpha_blend_a64_u8x16(m_avg, s0, s1);
+
+ vst1q_u8(dst + i, blend);
+
+ i += 16;
+ } while (i < w);
+
+ mask += 2 * mask_stride;
+ src0 += src0_stride;
+ src1 += src1_stride;
+ dst += dst_stride;
+ } while (--h != 0);
+ } else if (w == 8) {
+ do {
+ uint8x8_t m0 = vld1_u8(mask + 0 * mask_stride);
+ uint8x8_t m1 = vld1_u8(mask + 1 * mask_stride);
+ uint8x8_t s0 = vld1_u8(src0);
+ uint8x8_t s1 = vld1_u8(src1);
+
+ uint8x8_t m_avg = avg_blend_u8x8(m0, m1);
+ uint8x8_t blend = alpha_blend_a64_u8x8(m_avg, s0, s1);
+
+ vst1_u8(dst, blend);
+
+ mask += 2 * mask_stride;
+ src0 += src0_stride;
+ src1 += src1_stride;
+ dst += dst_stride;
+ } while (--h != 0);
+ } else {
+ do {
+ uint8x8_t m0_2 =
+ load_unaligned_u8_4x2(mask + 0 * mask_stride, 2 * mask_stride);
+ uint8x8_t m1_3 =
+ load_unaligned_u8_4x2(mask + 1 * mask_stride, 2 * mask_stride);
+ uint8x8_t s0 = load_unaligned_u8_4x2(src0, src0_stride);
+ uint8x8_t s1 = load_unaligned_u8_4x2(src1, src1_stride);
+
+ uint8x8_t m_avg = avg_blend_u8x8(m0_2, m1_3);
+ uint8x8_t blend = alpha_blend_a64_u8x8(m_avg, s0, s1);
+
+ store_u8x4_strided_x2(dst, dst_stride, blend);
+
+ mask += 4 * mask_stride;
+ src0 += 2 * src0_stride;
+ src1 += 2 * src1_stride;
+ dst += 2 * dst_stride;
+ h -= 2;
+ } while (h != 0);
+ }
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-08-27 22:02:51 +0000