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Unified Diff: third_party/libvpx/source/libvpx/vp8/common/arm/neon/variance_neon.c

Issue 1158913006: Move libvpx from DEPS to src (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: add DEPS file with #include paths Created 5 years, 7 months ago
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Index: third_party/libvpx/source/libvpx/vp8/common/arm/neon/variance_neon.c
diff --git a/third_party/libvpx/source/libvpx/vp8/common/arm/neon/variance_neon.c b/third_party/libvpx/source/libvpx/vp8/common/arm/neon/variance_neon.c
new file mode 100644
index 0000000000000000000000000000000000000000..1b1979073e5d5ef04f17291e52719ee4263fce0b
--- /dev/null
+++ b/third_party/libvpx/source/libvpx/vp8/common/arm/neon/variance_neon.c
@@ -0,0 +1,320 @@
+/*
+ * 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 <arm_neon.h>
+#include "vpx_ports/mem.h"
+
+unsigned int vp8_variance16x16_neon(
+ const unsigned char *src_ptr,
+ int source_stride,
+ const unsigned char *ref_ptr,
+ int recon_stride,
+ unsigned int *sse) {
+ int i;
+ int16x4_t d22s16, d23s16, d24s16, d25s16, d26s16, d27s16, d28s16, d29s16;
+ uint32x2_t d0u32, d10u32;
+ int64x1_t d0s64, d1s64;
+ uint8x16_t q0u8, q1u8, q2u8, q3u8;
+ uint16x8_t q11u16, q12u16, q13u16, q14u16;
+ int32x4_t q8s32, q9s32, q10s32;
+ int64x2_t q0s64, q1s64, q5s64;
+
+ q8s32 = vdupq_n_s32(0);
+ q9s32 = vdupq_n_s32(0);
+ q10s32 = vdupq_n_s32(0);
+
+ for (i = 0; i < 8; i++) {
+ q0u8 = vld1q_u8(src_ptr);
+ src_ptr += source_stride;
+ q1u8 = vld1q_u8(src_ptr);
+ src_ptr += source_stride;
+ __builtin_prefetch(src_ptr);
+
+ q2u8 = vld1q_u8(ref_ptr);
+ ref_ptr += recon_stride;
+ q3u8 = vld1q_u8(ref_ptr);
+ ref_ptr += recon_stride;
+ __builtin_prefetch(ref_ptr);
+
+ q11u16 = vsubl_u8(vget_low_u8(q0u8), vget_low_u8(q2u8));
+ q12u16 = vsubl_u8(vget_high_u8(q0u8), vget_high_u8(q2u8));
+ q13u16 = vsubl_u8(vget_low_u8(q1u8), vget_low_u8(q3u8));
+ q14u16 = vsubl_u8(vget_high_u8(q1u8), vget_high_u8(q3u8));
+
+ d22s16 = vreinterpret_s16_u16(vget_low_u16(q11u16));
+ d23s16 = vreinterpret_s16_u16(vget_high_u16(q11u16));
+ q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q11u16));
+ q9s32 = vmlal_s16(q9s32, d22s16, d22s16);
+ q10s32 = vmlal_s16(q10s32, d23s16, d23s16);
+
+ d24s16 = vreinterpret_s16_u16(vget_low_u16(q12u16));
+ d25s16 = vreinterpret_s16_u16(vget_high_u16(q12u16));
+ q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q12u16));
+ q9s32 = vmlal_s16(q9s32, d24s16, d24s16);
+ q10s32 = vmlal_s16(q10s32, d25s16, d25s16);
+
+ d26s16 = vreinterpret_s16_u16(vget_low_u16(q13u16));
+ d27s16 = vreinterpret_s16_u16(vget_high_u16(q13u16));
+ q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q13u16));
+ q9s32 = vmlal_s16(q9s32, d26s16, d26s16);
+ q10s32 = vmlal_s16(q10s32, d27s16, d27s16);
+
+ d28s16 = vreinterpret_s16_u16(vget_low_u16(q14u16));
+ d29s16 = vreinterpret_s16_u16(vget_high_u16(q14u16));
+ q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q14u16));
+ q9s32 = vmlal_s16(q9s32, d28s16, d28s16);
+ q10s32 = vmlal_s16(q10s32, d29s16, d29s16);
+ }
+
+ q10s32 = vaddq_s32(q10s32, q9s32);
+ q0s64 = vpaddlq_s32(q8s32);
+ q1s64 = vpaddlq_s32(q10s32);
+
+ d0s64 = vadd_s64(vget_low_s64(q0s64), vget_high_s64(q0s64));
+ d1s64 = vadd_s64(vget_low_s64(q1s64), vget_high_s64(q1s64));
+
+ q5s64 = vmull_s32(vreinterpret_s32_s64(d0s64),
+ vreinterpret_s32_s64(d0s64));
+ vst1_lane_u32((uint32_t *)sse, vreinterpret_u32_s64(d1s64), 0);
+
+ d10u32 = vshr_n_u32(vreinterpret_u32_s64(vget_low_s64(q5s64)), 8);
+ d0u32 = vsub_u32(vreinterpret_u32_s64(d1s64), d10u32);
+
+ return vget_lane_u32(d0u32, 0);
+}
+
+unsigned int vp8_variance16x8_neon(
+ const unsigned char *src_ptr,
+ int source_stride,
+ const unsigned char *ref_ptr,
+ int recon_stride,
+ unsigned int *sse) {
+ int i;
+ int16x4_t d22s16, d23s16, d24s16, d25s16, d26s16, d27s16, d28s16, d29s16;
+ uint32x2_t d0u32, d10u32;
+ int64x1_t d0s64, d1s64;
+ uint8x16_t q0u8, q1u8, q2u8, q3u8;
+ uint16x8_t q11u16, q12u16, q13u16, q14u16;
+ int32x4_t q8s32, q9s32, q10s32;
+ int64x2_t q0s64, q1s64, q5s64;
+
+ q8s32 = vdupq_n_s32(0);
+ q9s32 = vdupq_n_s32(0);
+ q10s32 = vdupq_n_s32(0);
+
+ for (i = 0; i < 4; i++) { // variance16x8_neon_loop
+ q0u8 = vld1q_u8(src_ptr);
+ src_ptr += source_stride;
+ q1u8 = vld1q_u8(src_ptr);
+ src_ptr += source_stride;
+ __builtin_prefetch(src_ptr);
+
+ q2u8 = vld1q_u8(ref_ptr);
+ ref_ptr += recon_stride;
+ q3u8 = vld1q_u8(ref_ptr);
+ ref_ptr += recon_stride;
+ __builtin_prefetch(ref_ptr);
+
+ q11u16 = vsubl_u8(vget_low_u8(q0u8), vget_low_u8(q2u8));
+ q12u16 = vsubl_u8(vget_high_u8(q0u8), vget_high_u8(q2u8));
+ q13u16 = vsubl_u8(vget_low_u8(q1u8), vget_low_u8(q3u8));
+ q14u16 = vsubl_u8(vget_high_u8(q1u8), vget_high_u8(q3u8));
+
+ d22s16 = vreinterpret_s16_u16(vget_low_u16(q11u16));
+ d23s16 = vreinterpret_s16_u16(vget_high_u16(q11u16));
+ q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q11u16));
+ q9s32 = vmlal_s16(q9s32, d22s16, d22s16);
+ q10s32 = vmlal_s16(q10s32, d23s16, d23s16);
+
+ d24s16 = vreinterpret_s16_u16(vget_low_u16(q12u16));
+ d25s16 = vreinterpret_s16_u16(vget_high_u16(q12u16));
+ q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q12u16));
+ q9s32 = vmlal_s16(q9s32, d24s16, d24s16);
+ q10s32 = vmlal_s16(q10s32, d25s16, d25s16);
+
+ d26s16 = vreinterpret_s16_u16(vget_low_u16(q13u16));
+ d27s16 = vreinterpret_s16_u16(vget_high_u16(q13u16));
+ q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q13u16));
+ q9s32 = vmlal_s16(q9s32, d26s16, d26s16);
+ q10s32 = vmlal_s16(q10s32, d27s16, d27s16);
+
+ d28s16 = vreinterpret_s16_u16(vget_low_u16(q14u16));
+ d29s16 = vreinterpret_s16_u16(vget_high_u16(q14u16));
+ q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q14u16));
+ q9s32 = vmlal_s16(q9s32, d28s16, d28s16);
+ q10s32 = vmlal_s16(q10s32, d29s16, d29s16);
+ }
+
+ q10s32 = vaddq_s32(q10s32, q9s32);
+ q0s64 = vpaddlq_s32(q8s32);
+ q1s64 = vpaddlq_s32(q10s32);
+
+ d0s64 = vadd_s64(vget_low_s64(q0s64), vget_high_s64(q0s64));
+ d1s64 = vadd_s64(vget_low_s64(q1s64), vget_high_s64(q1s64));
+
+ q5s64 = vmull_s32(vreinterpret_s32_s64(d0s64),
+ vreinterpret_s32_s64(d0s64));
+ vst1_lane_u32((uint32_t *)sse, vreinterpret_u32_s64(d1s64), 0);
+
+ d10u32 = vshr_n_u32(vreinterpret_u32_s64(vget_low_s64(q5s64)), 7);
+ d0u32 = vsub_u32(vreinterpret_u32_s64(d1s64), d10u32);
+
+ return vget_lane_u32(d0u32, 0);
+}
+
+unsigned int vp8_variance8x16_neon(
+ const unsigned char *src_ptr,
+ int source_stride,
+ const unsigned char *ref_ptr,
+ int recon_stride,
+ unsigned int *sse) {
+ int i;
+ uint8x8_t d0u8, d2u8, d4u8, d6u8;
+ int16x4_t d22s16, d23s16, d24s16, d25s16;
+ uint32x2_t d0u32, d10u32;
+ int64x1_t d0s64, d1s64;
+ uint16x8_t q11u16, q12u16;
+ int32x4_t q8s32, q9s32, q10s32;
+ int64x2_t q0s64, q1s64, q5s64;
+
+ q8s32 = vdupq_n_s32(0);
+ q9s32 = vdupq_n_s32(0);
+ q10s32 = vdupq_n_s32(0);
+
+ for (i = 0; i < 8; i++) { // variance8x16_neon_loop
+ d0u8 = vld1_u8(src_ptr);
+ src_ptr += source_stride;
+ d2u8 = vld1_u8(src_ptr);
+ src_ptr += source_stride;
+ __builtin_prefetch(src_ptr);
+
+ d4u8 = vld1_u8(ref_ptr);
+ ref_ptr += recon_stride;
+ d6u8 = vld1_u8(ref_ptr);
+ ref_ptr += recon_stride;
+ __builtin_prefetch(ref_ptr);
+
+ q11u16 = vsubl_u8(d0u8, d4u8);
+ q12u16 = vsubl_u8(d2u8, d6u8);
+
+ d22s16 = vreinterpret_s16_u16(vget_low_u16(q11u16));
+ d23s16 = vreinterpret_s16_u16(vget_high_u16(q11u16));
+ q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q11u16));
+ q9s32 = vmlal_s16(q9s32, d22s16, d22s16);
+ q10s32 = vmlal_s16(q10s32, d23s16, d23s16);
+
+ d24s16 = vreinterpret_s16_u16(vget_low_u16(q12u16));
+ d25s16 = vreinterpret_s16_u16(vget_high_u16(q12u16));
+ q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q12u16));
+ q9s32 = vmlal_s16(q9s32, d24s16, d24s16);
+ q10s32 = vmlal_s16(q10s32, d25s16, d25s16);
+ }
+
+ q10s32 = vaddq_s32(q10s32, q9s32);
+ q0s64 = vpaddlq_s32(q8s32);
+ q1s64 = vpaddlq_s32(q10s32);
+
+ d0s64 = vadd_s64(vget_low_s64(q0s64), vget_high_s64(q0s64));
+ d1s64 = vadd_s64(vget_low_s64(q1s64), vget_high_s64(q1s64));
+
+ q5s64 = vmull_s32(vreinterpret_s32_s64(d0s64),
+ vreinterpret_s32_s64(d0s64));
+ vst1_lane_u32((uint32_t *)sse, vreinterpret_u32_s64(d1s64), 0);
+
+ d10u32 = vshr_n_u32(vreinterpret_u32_s64(vget_low_s64(q5s64)), 7);
+ d0u32 = vsub_u32(vreinterpret_u32_s64(d1s64), d10u32);
+
+ return vget_lane_u32(d0u32, 0);
+}
+
+unsigned int vp8_variance8x8_neon(
+ const unsigned char *src_ptr,
+ int source_stride,
+ const unsigned char *ref_ptr,
+ int recon_stride,
+ unsigned int *sse) {
+ int i;
+ uint8x8_t d0u8, d1u8, d2u8, d3u8, d4u8, d5u8, d6u8, d7u8;
+ int16x4_t d22s16, d23s16, d24s16, d25s16, d26s16, d27s16, d28s16, d29s16;
+ uint32x2_t d0u32, d10u32;
+ int64x1_t d0s64, d1s64;
+ uint16x8_t q11u16, q12u16, q13u16, q14u16;
+ int32x4_t q8s32, q9s32, q10s32;
+ int64x2_t q0s64, q1s64, q5s64;
+
+ q8s32 = vdupq_n_s32(0);
+ q9s32 = vdupq_n_s32(0);
+ q10s32 = vdupq_n_s32(0);
+
+ for (i = 0; i < 2; i++) { // variance8x8_neon_loop
+ d0u8 = vld1_u8(src_ptr);
+ src_ptr += source_stride;
+ d1u8 = vld1_u8(src_ptr);
+ src_ptr += source_stride;
+ d2u8 = vld1_u8(src_ptr);
+ src_ptr += source_stride;
+ d3u8 = vld1_u8(src_ptr);
+ src_ptr += source_stride;
+
+ d4u8 = vld1_u8(ref_ptr);
+ ref_ptr += recon_stride;
+ d5u8 = vld1_u8(ref_ptr);
+ ref_ptr += recon_stride;
+ d6u8 = vld1_u8(ref_ptr);
+ ref_ptr += recon_stride;
+ d7u8 = vld1_u8(ref_ptr);
+ ref_ptr += recon_stride;
+
+ q11u16 = vsubl_u8(d0u8, d4u8);
+ q12u16 = vsubl_u8(d1u8, d5u8);
+ q13u16 = vsubl_u8(d2u8, d6u8);
+ q14u16 = vsubl_u8(d3u8, d7u8);
+
+ d22s16 = vreinterpret_s16_u16(vget_low_u16(q11u16));
+ d23s16 = vreinterpret_s16_u16(vget_high_u16(q11u16));
+ q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q11u16));
+ q9s32 = vmlal_s16(q9s32, d22s16, d22s16);
+ q10s32 = vmlal_s16(q10s32, d23s16, d23s16);
+
+ d24s16 = vreinterpret_s16_u16(vget_low_u16(q12u16));
+ d25s16 = vreinterpret_s16_u16(vget_high_u16(q12u16));
+ q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q12u16));
+ q9s32 = vmlal_s16(q9s32, d24s16, d24s16);
+ q10s32 = vmlal_s16(q10s32, d25s16, d25s16);
+
+ d26s16 = vreinterpret_s16_u16(vget_low_u16(q13u16));
+ d27s16 = vreinterpret_s16_u16(vget_high_u16(q13u16));
+ q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q13u16));
+ q9s32 = vmlal_s16(q9s32, d26s16, d26s16);
+ q10s32 = vmlal_s16(q10s32, d27s16, d27s16);
+
+ d28s16 = vreinterpret_s16_u16(vget_low_u16(q14u16));
+ d29s16 = vreinterpret_s16_u16(vget_high_u16(q14u16));
+ q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q14u16));
+ q9s32 = vmlal_s16(q9s32, d28s16, d28s16);
+ q10s32 = vmlal_s16(q10s32, d29s16, d29s16);
+ }
+
+ q10s32 = vaddq_s32(q10s32, q9s32);
+ q0s64 = vpaddlq_s32(q8s32);
+ q1s64 = vpaddlq_s32(q10s32);
+
+ d0s64 = vadd_s64(vget_low_s64(q0s64), vget_high_s64(q0s64));
+ d1s64 = vadd_s64(vget_low_s64(q1s64), vget_high_s64(q1s64));
+
+ q5s64 = vmull_s32(vreinterpret_s32_s64(d0s64),
+ vreinterpret_s32_s64(d0s64));
+ vst1_lane_u32((uint32_t *)sse, vreinterpret_u32_s64(d1s64), 0);
+
+ d10u32 = vshr_n_u32(vreinterpret_u32_s64(vget_low_s64(q5s64)), 6);
+ d0u32 = vsub_u32(vreinterpret_u32_s64(d1s64), d10u32);
+
+ return vget_lane_u32(d0u32, 0);
+}
« third_party/libvpx/DEPS ('K') | « third_party/libvpx/source/libvpx/vp8/common/arm/neon/sixtappredict_neon.c ('k') | third_party/libvpx/source/libvpx/vp8/common/arm/neon/vp8_subpixelvariance_neon.c » ('j') | no next file with comments »

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