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-rw-r--r--media/libvpx/libvpx/vpx_dsp/arm/highbd_variance_neon.c509
1 files changed, 509 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vpx_dsp/arm/highbd_variance_neon.c b/media/libvpx/libvpx/vpx_dsp/arm/highbd_variance_neon.c
new file mode 100644
index 0000000000..75fde676a0
--- /dev/null
+++ b/media/libvpx/libvpx/vpx_dsp/arm/highbd_variance_neon.c
@@ -0,0 +1,509 @@
+/*
+ * Copyright (c) 2022 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 <arm_neon.h>
+
+#include "./vpx_dsp_rtcd.h"
+#include "./vpx_config.h"
+
+#include "vpx/vpx_integer.h"
+#include "vpx_dsp/arm/mem_neon.h"
+#include "vpx_dsp/arm/sum_neon.h"
+#include "vpx_ports/mem.h"
+
+// Process a block of width 4 two rows at a time.
+static INLINE void highbd_variance_4xh_neon(const uint16_t *src_ptr,
+ int src_stride,
+ const uint16_t *ref_ptr,
+ int ref_stride, int h,
+ uint64_t *sse, int64_t *sum) {
+ int16x8_t sum_s16 = vdupq_n_s16(0);
+ int32x4_t sse_s32 = vdupq_n_s32(0);
+
+ int i = h;
+ do {
+ const uint16x8_t s = load_unaligned_u16q(src_ptr, src_stride);
+ const uint16x8_t r = load_unaligned_u16q(ref_ptr, ref_stride);
+
+ int16x8_t diff = vreinterpretq_s16_u16(vsubq_u16(s, r));
+ sum_s16 = vaddq_s16(sum_s16, diff);
+
+ sse_s32 = vmlal_s16(sse_s32, vget_low_s16(diff), vget_low_s16(diff));
+ sse_s32 = vmlal_s16(sse_s32, vget_high_s16(diff), vget_high_s16(diff));
+
+ src_ptr += 2 * src_stride;
+ ref_ptr += 2 * ref_stride;
+ i -= 2;
+ } while (i != 0);
+
+ *sum = horizontal_add_int16x8(sum_s16);
+ *sse = horizontal_add_int32x4(sse_s32);
+}
+
+// For 8-bit and 10-bit data, since we're using two int32x4 accumulators, all
+// block sizes can be processed in 32-bit elements (1023*1023*64*16 = 1071645696
+// for a 64x64 block).
+static INLINE void highbd_variance_large_neon(const uint16_t *src_ptr,
+ int src_stride,
+ const uint16_t *ref_ptr,
+ int ref_stride, int w, int h,
+ uint64_t *sse, int64_t *sum) {
+ int32x4_t sum_s32 = vdupq_n_s32(0);
+ int32x4_t sse_s32[2] = { vdupq_n_s32(0), vdupq_n_s32(0) };
+
+ int i = h;
+ do {
+ int j = 0;
+ do {
+ const uint16x8_t s = vld1q_u16(src_ptr + j);
+ const uint16x8_t r = vld1q_u16(ref_ptr + j);
+
+ const int16x8_t diff = vreinterpretq_s16_u16(vsubq_u16(s, r));
+ sum_s32 = vpadalq_s16(sum_s32, diff);
+
+ sse_s32[0] =
+ vmlal_s16(sse_s32[0], vget_low_s16(diff), vget_low_s16(diff));
+ sse_s32[1] =
+ vmlal_s16(sse_s32[1], vget_high_s16(diff), vget_high_s16(diff));
+
+ j += 8;
+ } while (j < w);
+
+ src_ptr += src_stride;
+ ref_ptr += ref_stride;
+ } while (--i != 0);
+
+ *sum = horizontal_add_int32x4(sum_s32);
+ *sse = horizontal_long_add_uint32x4(vaddq_u32(
+ vreinterpretq_u32_s32(sse_s32[0]), vreinterpretq_u32_s32(sse_s32[1])));
+}
+
+static INLINE void highbd_variance_8xh_neon(const uint16_t *src, int src_stride,
+ const uint16_t *ref, int ref_stride,
+ int h, uint64_t *sse,
+ int64_t *sum) {
+ highbd_variance_large_neon(src, src_stride, ref, ref_stride, 8, h, sse, sum);
+}
+
+static INLINE void highbd_variance_16xh_neon(const uint16_t *src,
+ int src_stride,
+ const uint16_t *ref,
+ int ref_stride, int h,
+ uint64_t *sse, int64_t *sum) {
+ highbd_variance_large_neon(src, src_stride, ref, ref_stride, 16, h, sse, sum);
+}
+
+static INLINE void highbd_variance_32xh_neon(const uint16_t *src,
+ int src_stride,
+ const uint16_t *ref,
+ int ref_stride, int h,
+ uint64_t *sse, int64_t *sum) {
+ highbd_variance_large_neon(src, src_stride, ref, ref_stride, 32, h, sse, sum);
+}
+
+static INLINE void highbd_variance_64xh_neon(const uint16_t *src,
+ int src_stride,
+ const uint16_t *ref,
+ int ref_stride, int h,
+ uint64_t *sse, int64_t *sum) {
+ highbd_variance_large_neon(src, src_stride, ref, ref_stride, 64, h, sse, sum);
+}
+
+// For 12-bit data, we can only accumulate up to 128 elements in the sum of
+// squares (4095*4095*128 = 2146435200), and because we're using two int32x4
+// accumulators, we can only process up to 32 32-element rows (32*32/8 = 128)
+// or 16 64-element rows before we have to accumulate into 64-bit elements.
+// Therefore blocks of size 32x64, 64x32 and 64x64 are processed in a different
+// helper function.
+
+// Process a block of any size where the width is divisible by 8, with
+// accumulation into 64-bit elements.
+static INLINE void highbd_variance_xlarge_neon(
+ const uint16_t *src_ptr, int src_stride, const uint16_t *ref_ptr,
+ int ref_stride, int w, int h, int h_limit, uint64_t *sse, int64_t *sum) {
+ int32x4_t sum_s32 = vdupq_n_s32(0);
+ int64x2_t sse_s64 = vdupq_n_s64(0);
+
+ // 'h_limit' is the number of 'w'-width rows we can process before our 32-bit
+ // accumulator overflows. After hitting this limit we accumulate into 64-bit
+ // elements.
+ int h_tmp = h > h_limit ? h_limit : h;
+
+ int i = 0;
+ do {
+ int32x4_t sse_s32[2] = { vdupq_n_s32(0), vdupq_n_s32(0) };
+ do {
+ int j = 0;
+ do {
+ const uint16x8_t s0 = vld1q_u16(src_ptr + j);
+ const uint16x8_t r0 = vld1q_u16(ref_ptr + j);
+
+ const int16x8_t diff = vreinterpretq_s16_u16(vsubq_u16(s0, r0));
+ sum_s32 = vpadalq_s16(sum_s32, diff);
+
+ sse_s32[0] =
+ vmlal_s16(sse_s32[0], vget_low_s16(diff), vget_low_s16(diff));
+ sse_s32[1] =
+ vmlal_s16(sse_s32[1], vget_high_s16(diff), vget_high_s16(diff));
+
+ j += 8;
+ } while (j < w);
+
+ src_ptr += src_stride;
+ ref_ptr += ref_stride;
+ i++;
+ } while (i < h_tmp);
+
+ sse_s64 = vpadalq_s32(sse_s64, sse_s32[0]);
+ sse_s64 = vpadalq_s32(sse_s64, sse_s32[1]);
+ h_tmp += h_limit;
+ } while (i < h);
+
+ *sum = horizontal_add_int32x4(sum_s32);
+ *sse = (uint64_t)horizontal_add_int64x2(sse_s64);
+}
+
+static INLINE void highbd_variance_32xh_xlarge_neon(
+ const uint16_t *src, int src_stride, const uint16_t *ref, int ref_stride,
+ int h, uint64_t *sse, int64_t *sum) {
+ highbd_variance_xlarge_neon(src, src_stride, ref, ref_stride, 32, h, 32, sse,
+ sum);
+}
+
+static INLINE void highbd_variance_64xh_xlarge_neon(
+ const uint16_t *src, int src_stride, const uint16_t *ref, int ref_stride,
+ int h, uint64_t *sse, int64_t *sum) {
+ highbd_variance_xlarge_neon(src, src_stride, ref, ref_stride, 64, h, 16, sse,
+ sum);
+}
+
+#define HBD_VARIANCE_WXH_8_NEON(w, h) \
+ uint32_t vpx_highbd_8_variance##w##x##h##_neon( \
+ const uint8_t *src_ptr, int src_stride, const uint8_t *ref_ptr, \
+ int ref_stride, uint32_t *sse) { \
+ int sum; \
+ uint64_t sse_long = 0; \
+ int64_t sum_long = 0; \
+ uint16_t *src = CONVERT_TO_SHORTPTR(src_ptr); \
+ uint16_t *ref = CONVERT_TO_SHORTPTR(ref_ptr); \
+ highbd_variance_##w##xh_neon(src, src_stride, ref, ref_stride, h, \
+ &sse_long, &sum_long); \
+ *sse = (uint32_t)sse_long; \
+ sum = (int)sum_long; \
+ return *sse - (uint32_t)(((int64_t)sum * sum) / (w * h)); \
+ }
+
+#define HBD_VARIANCE_WXH_10_NEON(w, h) \
+ uint32_t vpx_highbd_10_variance##w##x##h##_neon( \
+ const uint8_t *src_ptr, int src_stride, const uint8_t *ref_ptr, \
+ int ref_stride, uint32_t *sse) { \
+ int sum; \
+ int64_t var; \
+ uint64_t sse_long = 0; \
+ int64_t sum_long = 0; \
+ uint16_t *src = CONVERT_TO_SHORTPTR(src_ptr); \
+ uint16_t *ref = CONVERT_TO_SHORTPTR(ref_ptr); \
+ highbd_variance_##w##xh_neon(src, src_stride, ref, ref_stride, h, \
+ &sse_long, &sum_long); \
+ *sse = (uint32_t)ROUND_POWER_OF_TWO(sse_long, 4); \
+ sum = (int)ROUND_POWER_OF_TWO(sum_long, 2); \
+ var = (int64_t)(*sse) - (((int64_t)sum * sum) / (w * h)); \
+ return (var >= 0) ? (uint32_t)var : 0; \
+ }
+
+#define HBD_VARIANCE_WXH_12_NEON(w, h) \
+ uint32_t vpx_highbd_12_variance##w##x##h##_neon( \
+ const uint8_t *src_ptr, int src_stride, const uint8_t *ref_ptr, \
+ int ref_stride, uint32_t *sse) { \
+ int sum; \
+ int64_t var; \
+ uint64_t sse_long = 0; \
+ int64_t sum_long = 0; \
+ uint16_t *src = CONVERT_TO_SHORTPTR(src_ptr); \
+ uint16_t *ref = CONVERT_TO_SHORTPTR(ref_ptr); \
+ highbd_variance_##w##xh_neon(src, src_stride, ref, ref_stride, h, \
+ &sse_long, &sum_long); \
+ *sse = (uint32_t)ROUND_POWER_OF_TWO(sse_long, 8); \
+ sum = (int)ROUND_POWER_OF_TWO(sum_long, 4); \
+ var = (int64_t)(*sse) - (((int64_t)sum * sum) / (w * h)); \
+ return (var >= 0) ? (uint32_t)var : 0; \
+ }
+
+#define HBD_VARIANCE_WXH_12_XLARGE_NEON(w, h) \
+ uint32_t vpx_highbd_12_variance##w##x##h##_neon( \
+ const uint8_t *src_ptr, int src_stride, const uint8_t *ref_ptr, \
+ int ref_stride, uint32_t *sse) { \
+ int sum; \
+ int64_t var; \
+ uint64_t sse_long = 0; \
+ int64_t sum_long = 0; \
+ uint16_t *src = CONVERT_TO_SHORTPTR(src_ptr); \
+ uint16_t *ref = CONVERT_TO_SHORTPTR(ref_ptr); \
+ highbd_variance_##w##xh_xlarge_neon(src, src_stride, ref, ref_stride, h, \
+ &sse_long, &sum_long); \
+ *sse = (uint32_t)ROUND_POWER_OF_TWO(sse_long, 8); \
+ sum = (int)ROUND_POWER_OF_TWO(sum_long, 4); \
+ var = (int64_t)(*sse) - (((int64_t)sum * sum) / (w * h)); \
+ return (var >= 0) ? (uint32_t)var : 0; \
+ }
+
+// 8-bit
+HBD_VARIANCE_WXH_8_NEON(4, 4)
+HBD_VARIANCE_WXH_8_NEON(4, 8)
+
+HBD_VARIANCE_WXH_8_NEON(8, 4)
+HBD_VARIANCE_WXH_8_NEON(8, 8)
+HBD_VARIANCE_WXH_8_NEON(8, 16)
+
+HBD_VARIANCE_WXH_8_NEON(16, 8)
+HBD_VARIANCE_WXH_8_NEON(16, 16)
+HBD_VARIANCE_WXH_8_NEON(16, 32)
+
+HBD_VARIANCE_WXH_8_NEON(32, 16)
+HBD_VARIANCE_WXH_8_NEON(32, 32)
+HBD_VARIANCE_WXH_8_NEON(32, 64)
+
+HBD_VARIANCE_WXH_8_NEON(64, 32)
+HBD_VARIANCE_WXH_8_NEON(64, 64)
+
+// 10-bit
+HBD_VARIANCE_WXH_10_NEON(4, 4)
+HBD_VARIANCE_WXH_10_NEON(4, 8)
+
+HBD_VARIANCE_WXH_10_NEON(8, 4)
+HBD_VARIANCE_WXH_10_NEON(8, 8)
+HBD_VARIANCE_WXH_10_NEON(8, 16)
+
+HBD_VARIANCE_WXH_10_NEON(16, 8)
+HBD_VARIANCE_WXH_10_NEON(16, 16)
+HBD_VARIANCE_WXH_10_NEON(16, 32)
+
+HBD_VARIANCE_WXH_10_NEON(32, 16)
+HBD_VARIANCE_WXH_10_NEON(32, 32)
+HBD_VARIANCE_WXH_10_NEON(32, 64)
+
+HBD_VARIANCE_WXH_10_NEON(64, 32)
+HBD_VARIANCE_WXH_10_NEON(64, 64)
+
+// 12-bit
+HBD_VARIANCE_WXH_12_NEON(4, 4)
+HBD_VARIANCE_WXH_12_NEON(4, 8)
+
+HBD_VARIANCE_WXH_12_NEON(8, 4)
+HBD_VARIANCE_WXH_12_NEON(8, 8)
+HBD_VARIANCE_WXH_12_NEON(8, 16)
+
+HBD_VARIANCE_WXH_12_NEON(16, 8)
+HBD_VARIANCE_WXH_12_NEON(16, 16)
+HBD_VARIANCE_WXH_12_NEON(16, 32)
+
+HBD_VARIANCE_WXH_12_NEON(32, 16)
+HBD_VARIANCE_WXH_12_NEON(32, 32)
+HBD_VARIANCE_WXH_12_XLARGE_NEON(32, 64)
+
+HBD_VARIANCE_WXH_12_XLARGE_NEON(64, 32)
+HBD_VARIANCE_WXH_12_XLARGE_NEON(64, 64)
+
+#define HIGHBD_GET_VAR(S) \
+ void vpx_highbd_8_get##S##x##S##var_neon( \
+ const uint8_t *src_ptr, int src_stride, const uint8_t *ref_ptr, \
+ int ref_stride, uint32_t *sse, int *sum) { \
+ uint64_t sse_long = 0; \
+ int64_t sum_long = 0; \
+ uint16_t *src = CONVERT_TO_SHORTPTR(src_ptr); \
+ uint16_t *ref = CONVERT_TO_SHORTPTR(ref_ptr); \
+ highbd_variance_##S##xh_neon(src, src_stride, ref, ref_stride, S, \
+ &sse_long, &sum_long); \
+ *sse = (uint32_t)sse_long; \
+ *sum = (int)sum_long; \
+ } \
+ \
+ void vpx_highbd_10_get##S##x##S##var_neon( \
+ const uint8_t *src_ptr, int src_stride, const uint8_t *ref_ptr, \
+ int ref_stride, uint32_t *sse, int *sum) { \
+ uint64_t sse_long = 0; \
+ int64_t sum_long = 0; \
+ uint16_t *src = CONVERT_TO_SHORTPTR(src_ptr); \
+ uint16_t *ref = CONVERT_TO_SHORTPTR(ref_ptr); \
+ highbd_variance_##S##xh_neon(src, src_stride, ref, ref_stride, S, \
+ &sse_long, &sum_long); \
+ *sse = (uint32_t)ROUND_POWER_OF_TWO(sse_long, 4); \
+ *sum = (int)ROUND_POWER_OF_TWO(sum_long, 2); \
+ } \
+ \
+ void vpx_highbd_12_get##S##x##S##var_neon( \
+ const uint8_t *src_ptr, int src_stride, const uint8_t *ref_ptr, \
+ int ref_stride, uint32_t *sse, int *sum) { \
+ uint64_t sse_long = 0; \
+ int64_t sum_long = 0; \
+ uint16_t *src = CONVERT_TO_SHORTPTR(src_ptr); \
+ uint16_t *ref = CONVERT_TO_SHORTPTR(ref_ptr); \
+ highbd_variance_##S##xh_neon(src, src_stride, ref, ref_stride, S, \
+ &sse_long, &sum_long); \
+ *sse = (uint32_t)ROUND_POWER_OF_TWO(sse_long, 8); \
+ *sum = (int)ROUND_POWER_OF_TWO(sum_long, 4); \
+ }
+
+HIGHBD_GET_VAR(8)
+HIGHBD_GET_VAR(16)
+
+static INLINE uint32_t highbd_mse_wxh_neon(const uint16_t *src_ptr,
+ int src_stride,
+ const uint16_t *ref_ptr,
+ int ref_stride, int w, int h,
+ unsigned int *sse) {
+ uint32x4_t sse_u32[2] = { vdupq_n_u32(0), vdupq_n_u32(0) };
+
+ int i = h;
+ do {
+ int j = 0;
+ do {
+ uint16x8_t s = vld1q_u16(src_ptr + j);
+ uint16x8_t r = vld1q_u16(ref_ptr + j);
+
+ uint16x8_t diff = vabdq_u16(s, r);
+
+ sse_u32[0] =
+ vmlal_u16(sse_u32[0], vget_low_u16(diff), vget_low_u16(diff));
+ sse_u32[1] =
+ vmlal_u16(sse_u32[1], vget_high_u16(diff), vget_high_u16(diff));
+
+ j += 8;
+ } while (j < w);
+
+ src_ptr += src_stride;
+ ref_ptr += ref_stride;
+ } while (--i != 0);
+
+ *sse = horizontal_add_uint32x4(vaddq_u32(sse_u32[0], sse_u32[1]));
+ return *sse;
+}
+
+#if defined(__ARM_FEATURE_DOTPROD)
+
+static INLINE uint32_t highbd_mse8_8xh_neon(const uint16_t *src_ptr,
+ int src_stride,
+ const uint16_t *ref_ptr,
+ int ref_stride, int h,
+ unsigned int *sse) {
+ uint32x4_t sse_u32 = vdupq_n_u32(0);
+
+ int i = h / 2;
+ do {
+ uint16x8_t s0, s1, r0, r1;
+ uint8x16_t s, r, diff;
+
+ s0 = vld1q_u16(src_ptr);
+ src_ptr += src_stride;
+ s1 = vld1q_u16(src_ptr);
+ src_ptr += src_stride;
+ r0 = vld1q_u16(ref_ptr);
+ ref_ptr += ref_stride;
+ r1 = vld1q_u16(ref_ptr);
+ ref_ptr += ref_stride;
+
+ s = vcombine_u8(vmovn_u16(s0), vmovn_u16(s1));
+ r = vcombine_u8(vmovn_u16(r0), vmovn_u16(r1));
+
+ diff = vabdq_u8(s, r);
+ sse_u32 = vdotq_u32(sse_u32, diff, diff);
+ } while (--i != 0);
+
+ *sse = horizontal_add_uint32x4(sse_u32);
+ return *sse;
+}
+
+static INLINE uint32_t highbd_mse8_16xh_neon(const uint16_t *src_ptr,
+ int src_stride,
+ const uint16_t *ref_ptr,
+ int ref_stride, int h,
+ unsigned int *sse) {
+ uint32x4_t sse_u32 = vdupq_n_u32(0);
+
+ int i = h;
+ do {
+ uint16x8_t s0, s1, r0, r1;
+ uint8x16_t s, r, diff;
+
+ s0 = vld1q_u16(src_ptr);
+ s1 = vld1q_u16(src_ptr + 8);
+ r0 = vld1q_u16(ref_ptr);
+ r1 = vld1q_u16(ref_ptr + 8);
+
+ s = vcombine_u8(vmovn_u16(s0), vmovn_u16(s1));
+ r = vcombine_u8(vmovn_u16(r0), vmovn_u16(r1));
+
+ diff = vabdq_u8(s, r);
+ sse_u32 = vdotq_u32(sse_u32, diff, diff);
+
+ src_ptr += src_stride;
+ ref_ptr += ref_stride;
+ } while (--i != 0);
+
+ *sse = horizontal_add_uint32x4(sse_u32);
+ return *sse;
+}
+
+#else // !defined(__ARM_FEATURE_DOTPROD)
+
+static INLINE uint32_t highbd_mse8_8xh_neon(const uint16_t *src_ptr,
+ int src_stride,
+ const uint16_t *ref_ptr,
+ int ref_stride, int h,
+ unsigned int *sse) {
+ return highbd_mse_wxh_neon(src_ptr, src_stride, ref_ptr, ref_stride, 8, h,
+ sse);
+}
+
+static INLINE uint32_t highbd_mse8_16xh_neon(const uint16_t *src_ptr,
+ int src_stride,
+ const uint16_t *ref_ptr,
+ int ref_stride, int h,
+ unsigned int *sse) {
+ return highbd_mse_wxh_neon(src_ptr, src_stride, ref_ptr, ref_stride, 16, h,
+ sse);
+}
+
+#endif // defined(__ARM_FEATURE_DOTPROD)
+
+#define HIGHBD_MSE_WXH_NEON(w, h) \
+ uint32_t vpx_highbd_8_mse##w##x##h##_neon( \
+ const uint8_t *src_ptr, int src_stride, const uint8_t *ref_ptr, \
+ int ref_stride, uint32_t *sse) { \
+ uint16_t *src = CONVERT_TO_SHORTPTR(src_ptr); \
+ uint16_t *ref = CONVERT_TO_SHORTPTR(ref_ptr); \
+ highbd_mse8_##w##xh_neon(src, src_stride, ref, ref_stride, h, sse); \
+ return *sse; \
+ } \
+ \
+ uint32_t vpx_highbd_10_mse##w##x##h##_neon( \
+ const uint8_t *src_ptr, int src_stride, const uint8_t *ref_ptr, \
+ int ref_stride, uint32_t *sse) { \
+ uint16_t *src = CONVERT_TO_SHORTPTR(src_ptr); \
+ uint16_t *ref = CONVERT_TO_SHORTPTR(ref_ptr); \
+ highbd_mse_wxh_neon(src, src_stride, ref, ref_stride, w, h, sse); \
+ *sse = ROUND_POWER_OF_TWO(*sse, 4); \
+ return *sse; \
+ } \
+ \
+ uint32_t vpx_highbd_12_mse##w##x##h##_neon( \
+ const uint8_t *src_ptr, int src_stride, const uint8_t *ref_ptr, \
+ int ref_stride, uint32_t *sse) { \
+ uint16_t *src = CONVERT_TO_SHORTPTR(src_ptr); \
+ uint16_t *ref = CONVERT_TO_SHORTPTR(ref_ptr); \
+ highbd_mse_wxh_neon(src, src_stride, ref, ref_stride, w, h, sse); \
+ *sse = ROUND_POWER_OF_TWO(*sse, 8); \
+ return *sse; \
+ }
+
+HIGHBD_MSE_WXH_NEON(16, 16)
+HIGHBD_MSE_WXH_NEON(16, 8)
+HIGHBD_MSE_WXH_NEON(8, 16)
+HIGHBD_MSE_WXH_NEON(8, 8)
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-17 07:27:30 +0000