| Index: source/libvpx/vp8/common/arm/neon/vp8_subpixelvariance8x8_neon.asm
|
| ===================================================================
|
| --- source/libvpx/vp8/common/arm/neon/vp8_subpixelvariance8x8_neon.asm (revision 291857)
|
| +++ source/libvpx/vp8/common/arm/neon/vp8_subpixelvariance8x8_neon.asm (working copy)
|
| @@ -1,225 +0,0 @@
|
| -;
|
| -; 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_sub_pixel_variance8x8_neon|
|
| - ARM
|
| - REQUIRE8
|
| - PRESERVE8
|
| -
|
| - AREA ||.text||, CODE, READONLY, ALIGN=2
|
| -; r0 unsigned char *src_ptr,
|
| -; r1 int src_pixels_per_line,
|
| -; r2 int xoffset,
|
| -; r3 int yoffset,
|
| -; stack(r4) unsigned char *dst_ptr,
|
| -; stack(r5) int dst_pixels_per_line,
|
| -; stack(r6) unsigned int *sse
|
| -;note: most of the code is copied from bilinear_predict8x8_neon and vp8_variance8x8_neon.
|
| -
|
| -|vp8_sub_pixel_variance8x8_neon| PROC
|
| - push {r4-r5, lr}
|
| - vpush {d8-d15}
|
| -
|
| - adr r12, bilinear_taps_coeff
|
| - ldr r4, [sp, #76] ;load *dst_ptr from stack
|
| - ldr r5, [sp, #80] ;load dst_pixels_per_line from stack
|
| - ldr lr, [sp, #84] ;load *sse from stack
|
| -
|
| - cmp r2, #0 ;skip first_pass filter if xoffset=0
|
| - beq skip_firstpass_filter
|
| -
|
| -;First pass: output_height lines x output_width columns (9x8)
|
| - add r2, r12, r2, lsl #3 ;calculate filter location
|
| -
|
| - vld1.u8 {q1}, [r0], r1 ;load src data
|
| - vld1.u32 {d31}, [r2] ;load first_pass filter
|
| - vld1.u8 {q2}, [r0], r1
|
| - vdup.8 d0, d31[0] ;first_pass filter (d0 d1)
|
| - vld1.u8 {q3}, [r0], r1
|
| - vdup.8 d1, d31[4]
|
| - vld1.u8 {q4}, [r0], r1
|
| -
|
| - vmull.u8 q6, d2, d0 ;(src_ptr[0] * Filter[0])
|
| - vmull.u8 q7, d4, d0
|
| - vmull.u8 q8, d6, d0
|
| - vmull.u8 q9, d8, d0
|
| -
|
| - vext.8 d3, d2, d3, #1 ;construct src_ptr[-1]
|
| - vext.8 d5, d4, d5, #1
|
| - vext.8 d7, d6, d7, #1
|
| - vext.8 d9, d8, d9, #1
|
| -
|
| - vmlal.u8 q6, d3, d1 ;(src_ptr[1] * Filter[1])
|
| - vmlal.u8 q7, d5, d1
|
| - vmlal.u8 q8, d7, d1
|
| - vmlal.u8 q9, d9, d1
|
| -
|
| - vld1.u8 {q1}, [r0], r1 ;load src data
|
| - vqrshrn.u16 d22, q6, #7 ;shift/round/saturate to u8
|
| - vld1.u8 {q2}, [r0], r1
|
| - vqrshrn.u16 d23, q7, #7
|
| - vld1.u8 {q3}, [r0], r1
|
| - vqrshrn.u16 d24, q8, #7
|
| - vld1.u8 {q4}, [r0], r1
|
| - vqrshrn.u16 d25, q9, #7
|
| -
|
| - ;first_pass filtering on the rest 5-line data
|
| - vld1.u8 {q5}, [r0], r1
|
| -
|
| - vmull.u8 q6, d2, d0 ;(src_ptr[0] * Filter[0])
|
| - vmull.u8 q7, d4, d0
|
| - vmull.u8 q8, d6, d0
|
| - vmull.u8 q9, d8, d0
|
| - vmull.u8 q10, d10, d0
|
| -
|
| - vext.8 d3, d2, d3, #1 ;construct src_ptr[-1]
|
| - vext.8 d5, d4, d5, #1
|
| - vext.8 d7, d6, d7, #1
|
| - vext.8 d9, d8, d9, #1
|
| - vext.8 d11, d10, d11, #1
|
| -
|
| - vmlal.u8 q6, d3, d1 ;(src_ptr[1] * Filter[1])
|
| - vmlal.u8 q7, d5, d1
|
| - vmlal.u8 q8, d7, d1
|
| - vmlal.u8 q9, d9, d1
|
| - vmlal.u8 q10, d11, d1
|
| -
|
| - vqrshrn.u16 d26, q6, #7 ;shift/round/saturate to u8
|
| - vqrshrn.u16 d27, q7, #7
|
| - vqrshrn.u16 d28, q8, #7
|
| - vqrshrn.u16 d29, q9, #7
|
| - vqrshrn.u16 d30, q10, #7
|
| -
|
| -;Second pass: 8x8
|
| -secondpass_filter
|
| - cmp r3, #0 ;skip second_pass filter if yoffset=0
|
| - ;skip_secondpass_filter
|
| - beq sub_pixel_variance8x8_neon
|
| -
|
| - add r3, r12, r3, lsl #3
|
| -
|
| - vld1.u32 {d31}, [r3] ;load second_pass filter
|
| -
|
| - vdup.8 d0, d31[0] ;second_pass filter parameters (d0 d1)
|
| - vdup.8 d1, d31[4]
|
| -
|
| - vmull.u8 q1, d22, d0 ;(src_ptr[0] * Filter[0])
|
| - vmull.u8 q2, d23, d0
|
| - vmull.u8 q3, d24, d0
|
| - vmull.u8 q4, d25, d0
|
| - vmull.u8 q5, d26, d0
|
| - vmull.u8 q6, d27, d0
|
| - vmull.u8 q7, d28, d0
|
| - vmull.u8 q8, d29, d0
|
| -
|
| - vmlal.u8 q1, d23, d1 ;(src_ptr[pixel_step] * Filter[1])
|
| - vmlal.u8 q2, d24, d1
|
| - vmlal.u8 q3, d25, d1
|
| - vmlal.u8 q4, d26, d1
|
| - vmlal.u8 q5, d27, d1
|
| - vmlal.u8 q6, d28, d1
|
| - vmlal.u8 q7, d29, d1
|
| - vmlal.u8 q8, d30, d1
|
| -
|
| - vqrshrn.u16 d22, q1, #7 ;shift/round/saturate to u8
|
| - vqrshrn.u16 d23, q2, #7
|
| - vqrshrn.u16 d24, q3, #7
|
| - vqrshrn.u16 d25, q4, #7
|
| - vqrshrn.u16 d26, q5, #7
|
| - vqrshrn.u16 d27, q6, #7
|
| - vqrshrn.u16 d28, q7, #7
|
| - vqrshrn.u16 d29, q8, #7
|
| -
|
| - b sub_pixel_variance8x8_neon
|
| -
|
| -;--------------------
|
| -skip_firstpass_filter
|
| - vld1.u8 {d22}, [r0], r1 ;load src data
|
| - vld1.u8 {d23}, [r0], r1
|
| - vld1.u8 {d24}, [r0], r1
|
| - vld1.u8 {d25}, [r0], r1
|
| - vld1.u8 {d26}, [r0], r1
|
| - vld1.u8 {d27}, [r0], r1
|
| - vld1.u8 {d28}, [r0], r1
|
| - vld1.u8 {d29}, [r0], r1
|
| - vld1.u8 {d30}, [r0], r1
|
| -
|
| - b secondpass_filter
|
| -
|
| -;----------------------
|
| -;vp8_variance8x8_neon
|
| -sub_pixel_variance8x8_neon
|
| - vmov.i8 q8, #0 ;q8 - sum
|
| - vmov.i8 q9, #0 ;q9, q10 - sse
|
| - vmov.i8 q10, #0
|
| -
|
| - mov r12, #2
|
| -
|
| -sub_pixel_variance8x8_neon_loop
|
| - vld1.8 {d0}, [r4], r5 ;load dst data
|
| - subs r12, r12, #1
|
| - vld1.8 {d1}, [r4], r5
|
| - vld1.8 {d2}, [r4], r5
|
| - vsubl.u8 q4, d22, d0 ;calculate diff
|
| - vld1.8 {d3}, [r4], r5
|
| -
|
| - vsubl.u8 q5, d23, d1
|
| - vsubl.u8 q6, d24, d2
|
| -
|
| - vpadal.s16 q8, q4 ;sum
|
| - vmlal.s16 q9, d8, d8 ;sse
|
| - vmlal.s16 q10, d9, d9
|
| -
|
| - vsubl.u8 q7, d25, d3
|
| -
|
| - vpadal.s16 q8, q5
|
| - vmlal.s16 q9, d10, d10
|
| - vmlal.s16 q10, d11, d11
|
| -
|
| - vmov q11, q13
|
| -
|
| - vpadal.s16 q8, q6
|
| - vmlal.s16 q9, d12, d12
|
| - vmlal.s16 q10, d13, d13
|
| -
|
| - vmov q12, q14
|
| -
|
| - vpadal.s16 q8, q7
|
| - vmlal.s16 q9, d14, d14
|
| - vmlal.s16 q10, d15, d15
|
| -
|
| - bne sub_pixel_variance8x8_neon_loop
|
| -
|
| - vadd.u32 q10, q9, q10 ;accumulate sse
|
| - vpaddl.s32 q0, q8 ;accumulate sum
|
| -
|
| - vpaddl.u32 q1, q10
|
| - vadd.s64 d0, d0, d1
|
| - vadd.u64 d1, d2, d3
|
| -
|
| - vmull.s32 q5, d0, d0
|
| - vst1.32 {d1[0]}, [lr] ;store sse
|
| - vshr.u32 d10, d10, #6
|
| - vsub.u32 d0, d1, d10
|
| -
|
| - vmov.32 r0, d0[0] ;return
|
| -
|
| - vpop {d8-d15}
|
| - pop {r4-r5, pc}
|
| -
|
| - ENDP
|
| -
|
| -;-----------------
|
| -
|
| -bilinear_taps_coeff
|
| - DCD 128, 0, 112, 16, 96, 32, 80, 48, 64, 64, 48, 80, 32, 96, 16, 112
|
| -
|
| - END
|
|
|
Chromium Code Reviews
Issue 554673004:
libvpx: Pull from upstream (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/libvpx/