Commit 8c7e798c authored by Johann's avatar Johann Committed by Gerrit Code Review
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Merge "VP8 for ARMv8 by using NEON intrinsics 10"

parents c1ba6860 c500fc22
;
; Copyright (c) 2010 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.
;
EXPORT |vp8_loop_filter_bvs_neon|
EXPORT |vp8_loop_filter_mbvs_neon|
ARM
PRESERVE8
AREA ||.text||, CODE, READONLY, ALIGN=2
; r0 unsigned char *s, PRESERVE
; r1 int p, PRESERVE
; q1 limit, PRESERVE
|vp8_loop_filter_simple_vertical_edge_neon| PROC
vpush {d8-d15}
sub r0, r0, #2 ; move src pointer down by 2 columns
add r12, r1, r1
add r3, r0, r1
vld4.8 {d6[0], d7[0], d8[0], d9[0]}, [r0], r12
vld4.8 {d6[1], d7[1], d8[1], d9[1]}, [r3], r12
vld4.8 {d6[2], d7[2], d8[2], d9[2]}, [r0], r12
vld4.8 {d6[3], d7[3], d8[3], d9[3]}, [r3], r12
vld4.8 {d6[4], d7[4], d8[4], d9[4]}, [r0], r12
vld4.8 {d6[5], d7[5], d8[5], d9[5]}, [r3], r12
vld4.8 {d6[6], d7[6], d8[6], d9[6]}, [r0], r12
vld4.8 {d6[7], d7[7], d8[7], d9[7]}, [r3], r12
vld4.8 {d10[0], d11[0], d12[0], d13[0]}, [r0], r12
vld4.8 {d10[1], d11[1], d12[1], d13[1]}, [r3], r12
vld4.8 {d10[2], d11[2], d12[2], d13[2]}, [r0], r12
vld4.8 {d10[3], d11[3], d12[3], d13[3]}, [r3], r12
vld4.8 {d10[4], d11[4], d12[4], d13[4]}, [r0], r12
vld4.8 {d10[5], d11[5], d12[5], d13[5]}, [r3], r12
vld4.8 {d10[6], d11[6], d12[6], d13[6]}, [r0], r12
vld4.8 {d10[7], d11[7], d12[7], d13[7]}, [r3]
vswp d7, d10
vswp d12, d9
;vp8_filter_mask() function
;vp8_hevmask() function
sub r0, r0, r1, lsl #4
vabd.u8 q15, q5, q4 ; abs(p0 - q0)
vabd.u8 q14, q3, q6 ; abs(p1 - q1)
vqadd.u8 q15, q15, q15 ; abs(p0 - q0) * 2
vshr.u8 q14, q14, #1 ; abs(p1 - q1) / 2
vmov.u8 q0, #0x80 ; 0x80
vmov.s16 q11, #3
vqadd.u8 q15, q15, q14 ; abs(p0 - q0) * 2 + abs(p1 - q1) / 2
veor q4, q4, q0 ; qs0: q0 offset to convert to a signed value
veor q5, q5, q0 ; ps0: p0 offset to convert to a signed value
veor q3, q3, q0 ; ps1: p1 offset to convert to a signed value
veor q6, q6, q0 ; qs1: q1 offset to convert to a signed value
vcge.u8 q15, q1, q15 ; abs(p0 - q0)*2 + abs(p1-q1)/2 > flimit*2 + limit)*-1
vsubl.s8 q2, d8, d10 ; ( qs0 - ps0)
vsubl.s8 q13, d9, d11
vqsub.s8 q14, q3, q6 ; vp8_filter = vp8_signed_char_clamp(ps1-qs1)
vmul.s16 q2, q2, q11 ; 3 * ( qs0 - ps0)
vmul.s16 q13, q13, q11
vmov.u8 q11, #0x03 ; 0x03
vmov.u8 q12, #0x04 ; 0x04
vaddw.s8 q2, q2, d28 ; vp8_filter + 3 * ( qs0 - ps0)
vaddw.s8 q13, q13, d29
vqmovn.s16 d28, q2 ; vp8_filter = vp8_signed_char_clamp(vp8_filter + 3 * ( qs0 - ps0))
vqmovn.s16 d29, q13
add r0, r0, #1
add r3, r0, r1
vand q14, q14, q15 ; vp8_filter &= mask
vqadd.s8 q2, q14, q11 ; Filter2 = vp8_signed_char_clamp(vp8_filter+3)
vqadd.s8 q3, q14, q12 ; Filter1 = vp8_signed_char_clamp(vp8_filter+4)
vshr.s8 q2, q2, #3 ; Filter2 >>= 3
vshr.s8 q14, q3, #3 ; Filter1 >>= 3
;calculate output
vqadd.s8 q11, q5, q2 ; u = vp8_signed_char_clamp(ps0 + Filter2)
vqsub.s8 q10, q4, q14 ; u = vp8_signed_char_clamp(qs0 - Filter1)
veor q6, q11, q0 ; *op0 = u^0x80
veor q7, q10, q0 ; *oq0 = u^0x80
add r12, r1, r1
vswp d13, d14
;store op1, op0, oq0, oq1
vst2.8 {d12[0], d13[0]}, [r0], r12
vst2.8 {d12[1], d13[1]}, [r3], r12
vst2.8 {d12[2], d13[2]}, [r0], r12
vst2.8 {d12[3], d13[3]}, [r3], r12
vst2.8 {d12[4], d13[4]}, [r0], r12
vst2.8 {d12[5], d13[5]}, [r3], r12
vst2.8 {d12[6], d13[6]}, [r0], r12
vst2.8 {d12[7], d13[7]}, [r3], r12
vst2.8 {d14[0], d15[0]}, [r0], r12
vst2.8 {d14[1], d15[1]}, [r3], r12
vst2.8 {d14[2], d15[2]}, [r0], r12
vst2.8 {d14[3], d15[3]}, [r3], r12
vst2.8 {d14[4], d15[4]}, [r0], r12
vst2.8 {d14[5], d15[5]}, [r3], r12
vst2.8 {d14[6], d15[6]}, [r0], r12
vst2.8 {d14[7], d15[7]}, [r3]
vpop {d8-d15}
bx lr
ENDP ; |vp8_loop_filter_simple_vertical_edge_neon|
; r0 unsigned char *y
; r1 int ystride
; r2 const unsigned char *blimit
|vp8_loop_filter_bvs_neon| PROC
push {r4, lr}
ldrb r3, [r2] ; load blim from mem
mov r4, r0
add r0, r0, #4
vdup.s8 q1, r3 ; duplicate blim
bl vp8_loop_filter_simple_vertical_edge_neon
; vp8_loop_filter_simple_vertical_edge_neon preserves r1 and q1
add r0, r4, #8
bl vp8_loop_filter_simple_vertical_edge_neon
add r0, r4, #12
pop {r4, lr}
b vp8_loop_filter_simple_vertical_edge_neon
ENDP ;|vp8_loop_filter_bvs_neon|
; r0 unsigned char *y
; r1 int ystride
; r2 const unsigned char *blimit
|vp8_loop_filter_mbvs_neon| PROC
ldrb r3, [r2] ; load mblim from mem
vdup.s8 q1, r3 ; duplicate mblim
b vp8_loop_filter_simple_vertical_edge_neon
ENDP ;|vp8_loop_filter_bvs_neon|
END
/*
* 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>
static inline void vp8_loop_filter_simple_vertical_edge_neon(
unsigned char *s,
int p,
const unsigned char *blimit) {
int pitch;
unsigned char *src1, *src2;
uint8x16_t qblimit, q0u8;
uint8x16_t q3u8, q4u8, q5u8, q6u8, q7u8, q11u8, q12u8, q14u8, q15u8;
int16x8_t q2s16, q13s16, q11s16;
int8x8_t d28s8, d29s8;
int8x16_t q2s8, q3s8, q10s8, q11s8, q14s8;
uint8x8x4_t d0u8x4; // d6, d7, d8, d9
uint8x8x4_t d1u8x4; // d10, d11, d12, d13
uint8x8x2_t d2u8x2; // d12, d13
uint8x8x2_t d3u8x2; // d14, d15
pitch = p << 1;
qblimit = vdupq_n_u8(*blimit);
src1 = s - 2;
d0u8x4 = vld4_lane_u8(src1, d0u8x4, 0);
src1 += pitch;
d0u8x4 = vld4_lane_u8(src1, d0u8x4, 2);
src1 += pitch;
d0u8x4 = vld4_lane_u8(src1, d0u8x4, 4);
src1 += pitch;
d0u8x4 = vld4_lane_u8(src1, d0u8x4, 6);
src1 += pitch;
d1u8x4 = vld4_lane_u8(src1, d1u8x4, 0);
src1 += pitch;
d1u8x4 = vld4_lane_u8(src1, d1u8x4, 2);
src1 += pitch;
d1u8x4 = vld4_lane_u8(src1, d1u8x4, 4);
src1 += pitch;
d1u8x4 = vld4_lane_u8(src1, d1u8x4, 6);
src2 = s - 2 + p;
d0u8x4 = vld4_lane_u8(src2, d0u8x4, 1);
src2 += pitch;
d0u8x4 = vld4_lane_u8(src2, d0u8x4, 3);
src2 += pitch;
d0u8x4 = vld4_lane_u8(src2, d0u8x4, 5);
src2 += pitch;
d0u8x4 = vld4_lane_u8(src2, d0u8x4, 7);
src2 += pitch;
d1u8x4 = vld4_lane_u8(src2, d1u8x4, 1);
src2 += pitch;
d1u8x4 = vld4_lane_u8(src2, d1u8x4, 3);
src2 += pitch;
d1u8x4 = vld4_lane_u8(src2, d1u8x4, 5);
src2 += pitch;
d1u8x4 = vld4_lane_u8(src2, d1u8x4, 7);
// vswp d7, d10
// vswp d12, d9
q3u8 = vcombine_u8(d0u8x4.val[0], d1u8x4.val[0]); // d6 d10
q4u8 = vcombine_u8(d0u8x4.val[2], d1u8x4.val[2]); // d8 d12
q5u8 = vcombine_u8(d0u8x4.val[1], d1u8x4.val[1]); // d7 d11
q6u8 = vcombine_u8(d0u8x4.val[3], d1u8x4.val[3]); // d9 d13
q15u8 = vabdq_u8(q5u8, q4u8);
q14u8 = vabdq_u8(q3u8, q6u8);
q15u8 = vqaddq_u8(q15u8, q15u8);
q14u8 = vshrq_n_u8(q14u8, 1);
q0u8 = vdupq_n_u8(0x80);
q11s16 = vdupq_n_s16(3);
q15u8 = vqaddq_u8(q15u8, q14u8);
q3u8 = veorq_u8(q3u8, q0u8);
q4u8 = veorq_u8(q4u8, q0u8);
q5u8 = veorq_u8(q5u8, q0u8);
q6u8 = veorq_u8(q6u8, q0u8);
q15u8 = vcgeq_u8(qblimit, q15u8);
q2s16 = vsubl_s8(vget_low_s8(vreinterpretq_s8_u8(q4u8)),
vget_low_s8(vreinterpretq_s8_u8(q5u8)));
q13s16 = vsubl_s8(vget_high_s8(vreinterpretq_s8_u8(q4u8)),
vget_high_s8(vreinterpretq_s8_u8(q5u8)));
q14s8 = vqsubq_s8(vreinterpretq_s8_u8(q3u8),
vreinterpretq_s8_u8(q6u8));
q2s16 = vmulq_s16(q2s16, q11s16);
q13s16 = vmulq_s16(q13s16, q11s16);
q11u8 = vdupq_n_u8(3);
q12u8 = vdupq_n_u8(4);
q2s16 = vaddw_s8(q2s16, vget_low_s8(q14s8));
q13s16 = vaddw_s8(q13s16, vget_high_s8(q14s8));
d28s8 = vqmovn_s16(q2s16);
d29s8 = vqmovn_s16(q13s16);
q14s8 = vcombine_s8(d28s8, d29s8);
q14s8 = vandq_s8(q14s8, vreinterpretq_s8_u8(q15u8));
q2s8 = vqaddq_s8(q14s8, vreinterpretq_s8_u8(q11u8));
q3s8 = vqaddq_s8(q14s8, vreinterpretq_s8_u8(q12u8));
q2s8 = vshrq_n_s8(q2s8, 3);
q14s8 = vshrq_n_s8(q3s8, 3);
q11s8 = vqaddq_s8(vreinterpretq_s8_u8(q5u8), q2s8);
q10s8 = vqsubq_s8(vreinterpretq_s8_u8(q4u8), q14s8);
q6u8 = veorq_u8(vreinterpretq_u8_s8(q11s8), q0u8);
q7u8 = veorq_u8(vreinterpretq_u8_s8(q10s8), q0u8);
d2u8x2.val[0] = vget_low_u8(q6u8); // d12
d2u8x2.val[1] = vget_low_u8(q7u8); // d14
d3u8x2.val[0] = vget_high_u8(q6u8); // d13
d3u8x2.val[1] = vget_high_u8(q7u8); // d15
src1 = s - 1;
vst2_lane_u8(src1, d2u8x2, 0);
src1 += pitch;
vst2_lane_u8(src1, d2u8x2, 2);
src1 += pitch;
vst2_lane_u8(src1, d2u8x2, 4);
src1 += pitch;
vst2_lane_u8(src1, d2u8x2, 6);
src1 += pitch;
vst2_lane_u8(src1, d3u8x2, 0);
src1 += pitch;
vst2_lane_u8(src1, d3u8x2, 2);
src1 += pitch;
vst2_lane_u8(src1, d3u8x2, 4);
src1 += pitch;
vst2_lane_u8(src1, d3u8x2, 6);
src2 = s - 1 + p;
vst2_lane_u8(src2, d2u8x2, 1);
src2 += pitch;
vst2_lane_u8(src2, d2u8x2, 3);
src2 += pitch;
vst2_lane_u8(src2, d2u8x2, 5);
src2 += pitch;
vst2_lane_u8(src2, d2u8x2, 7);
src2 += pitch;
vst2_lane_u8(src2, d3u8x2, 1);
src2 += pitch;
vst2_lane_u8(src2, d3u8x2, 3);
src2 += pitch;
vst2_lane_u8(src2, d3u8x2, 5);
src2 += pitch;
vst2_lane_u8(src2, d3u8x2, 7);
return;
}
void vp8_loop_filter_bvs_neon(
unsigned char *y_ptr,
int y_stride,
const unsigned char *blimit) {
y_ptr += 4;
vp8_loop_filter_simple_vertical_edge_neon(y_ptr, y_stride, blimit);
y_ptr += 4;
vp8_loop_filter_simple_vertical_edge_neon(y_ptr, y_stride, blimit);
y_ptr += 4;
vp8_loop_filter_simple_vertical_edge_neon(y_ptr, y_stride, blimit);
return;
}
void vp8_loop_filter_mbvs_neon(
unsigned char *y_ptr,
int y_stride,
const unsigned char *blimit) {
vp8_loop_filter_simple_vertical_edge_neon(y_ptr, y_stride, blimit);
return;
}
......@@ -159,7 +159,6 @@ VP8_COMMON_SRCS-$(HAVE_MEDIA) += common/arm/armv6/vp8_variance_halfpixvar16x16_
VP8_COMMON_SRCS-$(HAVE_MEDIA) += common/arm/armv6/vp8_variance_halfpixvar16x16_hv_armv6$(ASM)
# common (neon)
VP8_COMMON_SRCS-$(HAVE_NEON) += common/arm/neon/loopfiltersimpleverticaledge_neon$(ASM)
VP8_COMMON_SRCS-$(HAVE_NEON) += common/arm/neon/mbloopfilter_neon$(ASM)
VP8_COMMON_SRCS-$(HAVE_NEON) += common/arm/neon/shortidct4x4llm_neon$(ASM)
VP8_COMMON_SRCS-$(HAVE_NEON) += common/arm/neon/sad8_neon$(ASM)
......@@ -186,6 +185,7 @@ VP8_COMMON_SRCS-$(HAVE_NEON) += common/arm/neon/idct_dequant_full_2x_neon.c
VP8_COMMON_SRCS-$(HAVE_NEON) += common/arm/neon/iwalsh_neon.c
VP8_COMMON_SRCS-$(HAVE_NEON) += common/arm/neon/loopfilter_neon.c
VP8_COMMON_SRCS-$(HAVE_NEON) += common/arm/neon/loopfiltersimplehorizontaledge_neon.c
VP8_COMMON_SRCS-$(HAVE_NEON) += common/arm/neon/loopfiltersimpleverticaledge_neon.c
$(eval $(call rtcd_h_template,vp8_rtcd,vp8/common/rtcd_defs.pl))
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