Commit 9114f0af authored by James Yu's avatar James Yu Committed by Johann

VP9 common for ARMv8 by using NEON intrinsics 08

Add vp9_idct4x4_1_add_neon.c
- vp9_idct4x4_1_add_neon

Change-Id: Ieab9af107dbd07a4f9503bc945890c90faccb8ac
Signed-off-by: 's avatarJames Yu <james.yu@linaro.org>
parent 2d8f5813
/*
* 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 "vp9/common/vp9_idct.h"
void vp9_idct4x4_1_add_neon(
int16_t *input,
uint8_t *dest,
int dest_stride) {
uint8x8_t d6u8;
uint32x2_t d2u32 = vdup_n_u32(0);
uint16x8_t q8u16;
int16x8_t q0s16;
uint8_t *d1, *d2;
int16_t i, a1, cospi_16_64 = 11585;
int16_t out = dct_const_round_shift(input[0] * cospi_16_64);
out = dct_const_round_shift(out * cospi_16_64);
a1 = ROUND_POWER_OF_TWO(out, 4);
q0s16 = vdupq_n_s16(a1);
// dc_only_idct_add
d1 = d2 = dest;
for (i = 0; i < 2; i++) {
d2u32 = vld1_lane_u32((const uint32_t *)d1, d2u32, 0);
d1 += dest_stride;
d2u32 = vld1_lane_u32((const uint32_t *)d1, d2u32, 1);
d1 += dest_stride;
q8u16 = vaddw_u8(vreinterpretq_u16_s16(q0s16),
vreinterpret_u8_u32(d2u32));
d6u8 = vqmovun_s16(vreinterpretq_s16_u16(q8u16));
vst1_lane_u32((uint32_t *)d2, vreinterpret_u32_u8(d6u8), 0);
d2 += dest_stride;
vst1_lane_u32((uint32_t *)d2, vreinterpret_u32_u8(d6u8), 1);
d2 += dest_stride;
}
return;
}
......@@ -422,8 +422,7 @@ if (vpx_config("CONFIG_VP9_HIGHBITDEPTH") eq "yes") {
specialize qw/vp9_iwht4x4_16_add/;
} else {
add_proto qw/void vp9_idct4x4_1_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
specialize qw/vp9_idct4x4_1_add sse2 neon_asm dspr2/;
$vp9_idct4x4_1_add_neon_asm=vp9_idct4x4_1_add_neon;
specialize qw/vp9_idct4x4_1_add sse2 neon dspr2/;
add_proto qw/void vp9_idct4x4_16_add/, "const tran_low_t *input, uint8_t *dest, int dest_stride";
specialize qw/vp9_idct4x4_16_add sse2 neon_asm dspr2/;
......
......@@ -134,7 +134,6 @@ endif
VP9_COMMON_SRCS-$(HAVE_NEON_ASM) += common/arm/neon/vp9_idct16x16_neon.c
VP9_COMMON_SRCS-$(HAVE_NEON_ASM) += common/arm/neon/vp9_loopfilter_16_neon_asm$(ASM)
VP9_COMMON_SRCS-$(HAVE_NEON_ASM) += common/arm/neon/vp9_dc_only_idct_add_neon$(ASM)
VP9_COMMON_SRCS-$(HAVE_NEON_ASM) += common/arm/neon/vp9_idct4x4_1_add_neon$(ASM)
VP9_COMMON_SRCS-$(HAVE_NEON_ASM) += common/arm/neon/vp9_idct4x4_add_neon$(ASM)
VP9_COMMON_SRCS-$(HAVE_NEON_ASM) += common/arm/neon/vp9_idct8x8_1_add_neon$(ASM)
VP9_COMMON_SRCS-$(HAVE_NEON_ASM) += common/arm/neon/vp9_idct8x8_add_neon$(ASM)
......@@ -156,6 +155,7 @@ VP9_COMMON_SRCS-yes += common/arm/neon/vp9_convolve8_avg_neon_asm$(ASM)
VP9_COMMON_SRCS-yes += common/arm/neon/vp9_convolve8_neon_asm$(ASM)
VP9_COMMON_SRCS-yes += common/arm/neon/vp9_convolve_neon.c
VP9_COMMON_SRCS-yes += common/arm/neon/vp9_copy_neon_asm$(ASM)
VP9_COMMON_SRCS-yes += common/arm/neon/vp9_idct4x4_1_add_neon_asm$(ASM)
VP9_COMMON_SRCS-yes += common/arm/neon/vp9_loopfilter_neon_asm$(ASM)
VP9_COMMON_SRCS-yes += common/arm/neon/vp9_loopfilter_16_neon.c
else
......@@ -165,6 +165,7 @@ VP9_COMMON_SRCS-yes += common/arm/neon/vp9_convolve8_avg_neon.c
VP9_COMMON_SRCS-yes += common/arm/neon/vp9_convolve8_neon.c
VP9_COMMON_SRCS-yes += common/arm/neon/vp9_convolve_neon.c
VP9_COMMON_SRCS-yes += common/arm/neon/vp9_copy_neon.c
VP9_COMMON_SRCS-yes += common/arm/neon/vp9_idct4x4_1_add_neon.c
VP9_COMMON_SRCS-yes += common/arm/neon/vp9_loopfilter_neon.c
VP9_COMMON_SRCS-yes += common/arm/neon/vp9_loopfilter_16_neon.c
endif # HAVE_NEON
......
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