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Neon version of vp9_sub_pixel_variance32x32(),

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vp9_variance32x32(), and vp9_get32x32var().

Change-Id: I8137e2540e50984744da59ae3a41e94f8af4a548
This commit is contained in:
Scott LaVarnway 2014-07-31 08:00:36 -07:00
parent 3249f26ff8
commit d39448e2d4
3 changed files with 60 additions and 16 deletions
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9
test/variance_test.cc
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@ -758,15 +758,20 @@ INSTANTIATE_TEST_CASE_P(
#endif // HAVE_AVX2
#if HAVE_NEON
const vp9_variance_fn_t variance16x16_neon = vp9_variance16x16_neon;
const vp9_variance_fn_t variance32x32_neon = vp9_variance32x32_neon;
INSTANTIATE_TEST_CASE_P(
NEON, VP9VarianceTest,
::testing::Values(make_tuple(4, 4, variance16x16_neon)));
::testing::Values(make_tuple(4, 4, variance16x16_neon),
make_tuple(5, 5, variance32x32_neon)));
const vp9_subpixvariance_fn_t subpel_variance16x16_neon =
vp9_sub_pixel_variance16x16_neon;
const vp9_subpixvariance_fn_t subpel_variance32x32_neon =
vp9_sub_pixel_variance32x32_neon;
INSTANTIATE_TEST_CASE_P(
NEON, VP9SubpelVarianceTest,
::testing::Values(make_tuple(4, 4, subpel_variance16x16_neon)));
::testing::Values(make_tuple(4, 4, subpel_variance16x16_neon),
make_tuple(5, 5, subpel_variance32x32_neon)));
#endif // HAVE_NEON
#endif // CONFIG_VP9_ENCODER

4
vp9/common/vp9_rtcd_defs.pl
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@ -414,7 +414,7 @@ add_proto qw/unsigned int vp9_variance32x64/, "const uint8_t *src_ptr, int sourc
specialize qw/vp9_variance32x64/, "$sse2_x86inc";
add_proto qw/unsigned int vp9_variance32x32/, "const uint8_t *src_ptr, int source_stride, const uint8_t *ref_ptr, int ref_stride, unsigned int *sse";
specialize qw/vp9_variance32x32 avx2/, "$sse2_x86inc";
specialize qw/vp9_variance32x32 avx2 neon/, "$sse2_x86inc";
add_proto qw/unsigned int vp9_variance64x64/, "const uint8_t *src_ptr, int source_stride, const uint8_t *ref_ptr, int ref_stride, unsigned int *sse";
specialize qw/vp9_variance64x64 avx2/, "$sse2_x86inc";
@ -477,7 +477,7 @@ add_proto qw/unsigned int vp9_sub_pixel_avg_variance16x32/, "const uint8_t *src_
specialize qw/vp9_sub_pixel_avg_variance16x32/, "$sse2_x86inc", "$ssse3_x86inc";
add_proto qw/unsigned int vp9_sub_pixel_variance32x32/, "const uint8_t *src_ptr, int source_stride, int xoffset, int yoffset, const uint8_t *ref_ptr, int ref_stride, unsigned int *sse";
specialize qw/vp9_sub_pixel_variance32x32/, "$sse2_x86inc", "$ssse3_x86inc";
specialize qw/vp9_sub_pixel_variance32x32 neon/, "$sse2_x86inc", "$ssse3_x86inc";
add_proto qw/unsigned int vp9_sub_pixel_avg_variance32x32/, "const uint8_t *src_ptr, int source_stride, int xoffset, int yoffset, const uint8_t *ref_ptr, int ref_stride, unsigned int *sse, const uint8_t *second_pred";
specialize qw/vp9_sub_pixel_avg_variance32x32/, "$sse2_x86inc", "$ssse3_x86inc";

63
vp9/encoder/arm/neon/vp9_variance_neon.c
View File

@ -19,9 +19,13 @@
#include "vp9/encoder/vp9_variance.h"
enum { kAlign16 = 16 };
enum { kWidth16 = 16 };
enum { kHeight16 = 16 };
enum { kHeight16PlusOne = 17 };
enum { kWidth32 = 32 };
enum { kHeight32 = 32 };
enum { kHeight32PlusOne = 33 };
enum { kPixelStepOne = 1 };
static INLINE int horizontal_add_s16x8(const int16x8_t v_16x8) {
@ -93,17 +97,19 @@ static void var_filter_block2d_bil_w16(const uint8_t *src_ptr,
const int16_t *vp9_filter) {
const uint8x8_t f0 = vmov_n_u8((uint8_t)vp9_filter[0]);
const uint8x8_t f1 = vmov_n_u8((uint8_t)vp9_filter[1]);
unsigned int i;
unsigned int i, j;
for (i = 0; i < output_height; ++i) {
const uint8x16_t src_0 = vld1q_u8(&src_ptr[0]);
const uint8x16_t src_1 = vld1q_u8(&src_ptr[pixel_step]);
const uint16x8_t a = vmull_u8(vget_low_u8(src_0), f0);
const uint16x8_t b = vmlal_u8(a, vget_low_u8(src_1), f1);
const uint8x8_t out_lo = vrshrn_n_u16(b, FILTER_BITS);
const uint16x8_t c = vmull_u8(vget_high_u8(src_0), f0);
const uint16x8_t d = vmlal_u8(c, vget_high_u8(src_1), f1);
const uint8x8_t out_hi = vrshrn_n_u16(d, FILTER_BITS);
vst1q_u8(&output_ptr[0], vcombine_u8(out_lo, out_hi));
for (j = 0; j < output_width; j += 16) {
const uint8x16_t src_0 = vld1q_u8(&src_ptr[j]);
const uint8x16_t src_1 = vld1q_u8(&src_ptr[j + pixel_step]);
const uint16x8_t a = vmull_u8(vget_low_u8(src_0), f0);
const uint16x8_t b = vmlal_u8(a, vget_low_u8(src_1), f1);
const uint8x8_t out_lo = vrshrn_n_u16(b, FILTER_BITS);
const uint16x8_t c = vmull_u8(vget_high_u8(src_0), f0);
const uint16x8_t d = vmlal_u8(c, vget_high_u8(src_1), f1);
const uint8x8_t out_hi = vrshrn_n_u16(d, FILTER_BITS);
vst1q_u8(&output_ptr[j], vcombine_u8(out_lo, out_hi));
}
// Next row...
src_ptr += src_pixels_per_line;
output_ptr += output_width;
@ -117,8 +123,8 @@ unsigned int vp9_sub_pixel_variance16x16_neon(const uint8_t *src,
const uint8_t *dst,
int dst_stride,
unsigned int *sse) {
DECLARE_ALIGNED_ARRAY(kWidth16, uint8_t, temp2, kHeight16 * kWidth16);
DECLARE_ALIGNED_ARRAY(kWidth16, uint8_t, fdata3, kHeight16PlusOne * kWidth16);
DECLARE_ALIGNED_ARRAY(kAlign16, uint8_t, temp2, kHeight16 * kWidth16);
DECLARE_ALIGNED_ARRAY(kAlign16, uint8_t, fdata3, kHeight16PlusOne * kWidth16);
var_filter_block2d_bil_w16(src, fdata3, src_stride, kPixelStepOne,
kHeight16PlusOne, kWidth16,
@ -127,3 +133,36 @@ unsigned int vp9_sub_pixel_variance16x16_neon(const uint8_t *src,
kWidth16, BILINEAR_FILTERS_2TAP(yoffset));
return vp9_variance16x16_neon(temp2, kWidth16, dst, dst_stride, sse);
}
void vp9_get32x32var_neon(const uint8_t *src_ptr, int source_stride,
const uint8_t *ref_ptr, int ref_stride,
unsigned int *sse, int *sum) {
variance_neon_w8(src_ptr, source_stride, ref_ptr, ref_stride, kWidth32,
kHeight32, sse, sum);
}
unsigned int vp9_variance32x32_neon(const uint8_t *a, int a_stride,
const uint8_t *b, int b_stride,
unsigned int *sse) {
int sum;
variance_neon_w8(a, a_stride, b, b_stride, kWidth32, kHeight32, sse, &sum);
return *sse - (((int64_t)sum * sum) / (kWidth32 * kHeight32));
}
unsigned int vp9_sub_pixel_variance32x32_neon(const uint8_t *src,
int src_stride,
int xoffset,
int yoffset,
const uint8_t *dst,
int dst_stride,
unsigned int *sse) {
DECLARE_ALIGNED_ARRAY(kAlign16, uint8_t, temp2, kHeight32 * kWidth32);
DECLARE_ALIGNED_ARRAY(kAlign16, uint8_t, fdata3, kHeight32PlusOne * kWidth32);
var_filter_block2d_bil_w16(src, fdata3, src_stride, kPixelStepOne,
kHeight32PlusOne, kWidth32,
BILINEAR_FILTERS_2TAP(xoffset));
var_filter_block2d_bil_w16(fdata3, temp2, kWidth32, kWidth32, kHeight32,
kWidth32, BILINEAR_FILTERS_2TAP(yoffset));
return vp9_variance32x32_neon(temp2, kWidth32, dst, dst_stride, sse);
}