diff options
Diffstat (limited to 'third_party/aom/aom_dsp/arm/bilinear_filter_media.asm')
| -rw-r--r-- | third_party/aom/aom_dsp/arm/bilinear_filter_media.asm | 240 |
1 files changed, 0 insertions, 240 deletions
diff --git a/third_party/aom/aom_dsp/arm/bilinear_filter_media.asm b/third_party/aom/aom_dsp/arm/bilinear_filter_media.asm deleted file mode 100644 index 17b7d25f9..000000000 --- a/third_party/aom/aom_dsp/arm/bilinear_filter_media.asm +++ /dev/null @@ -1,240 +0,0 @@ -; -; Copyright (c) 2016, Alliance for Open Media. All rights reserved -; -; This source code is subject to the terms of the BSD 2 Clause License and -; the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License -; was not distributed with this source code in the LICENSE file, you can -; obtain it at www.aomedia.org/license/software. If the Alliance for Open -; Media Patent License 1.0 was not distributed with this source code in the -; PATENTS file, you can obtain it at www.aomedia.org/license/patent. -; - -; - - - EXPORT |aom_filter_block2d_bil_first_pass_media| - EXPORT |aom_filter_block2d_bil_second_pass_media| - - AREA |.text|, CODE, READONLY ; name this block of code - -;------------------------------------- -; r0 unsigned char *src_ptr, -; r1 unsigned short *dst_ptr, -; r2 unsigned int src_pitch, -; r3 unsigned int height, -; stack unsigned int width, -; stack const short *aom_filter -;------------------------------------- -; The output is transposed stroed in output array to make it easy for second pass filtering. -|aom_filter_block2d_bil_first_pass_media| PROC - stmdb sp!, {r4 - r11, lr} - - ldr r11, [sp, #40] ; aom_filter address - ldr r4, [sp, #36] ; width - - mov r12, r3 ; outer-loop counter - - add r7, r2, r4 ; preload next row - pld [r0, r7] - - sub r2, r2, r4 ; src increment for height loop - - ldr r5, [r11] ; load up filter coefficients - - mov r3, r3, lsl #1 ; height*2 - add r3, r3, #2 ; plus 2 to make output buffer 4-bit aligned since height is actually (height+1) - - mov r11, r1 ; save dst_ptr for each row - - cmp r5, #128 ; if filter coef = 128, then skip the filter - beq bil_null_1st_filter - -|bil_height_loop_1st_v6| - ldrb r6, [r0] ; load source data - ldrb r7, [r0, #1] - ldrb r8, [r0, #2] - mov lr, r4, lsr #2 ; 4-in-parellel loop counter - -|bil_width_loop_1st_v6| - ldrb r9, [r0, #3] - ldrb r10, [r0, #4] - - pkhbt r6, r6, r7, lsl #16 ; src[1] | src[0] - pkhbt r7, r7, r8, lsl #16 ; src[2] | src[1] - - smuad r6, r6, r5 ; apply the filter - pkhbt r8, r8, r9, lsl #16 ; src[3] | src[2] - smuad r7, r7, r5 - pkhbt r9, r9, r10, lsl #16 ; src[4] | src[3] - - smuad r8, r8, r5 - smuad r9, r9, r5 - - add r0, r0, #4 - subs lr, lr, #1 - - add r6, r6, #0x40 ; round_shift_and_clamp - add r7, r7, #0x40 - usat r6, #16, r6, asr #7 - usat r7, #16, r7, asr #7 - - strh r6, [r1], r3 ; result is transposed and stored - - add r8, r8, #0x40 ; round_shift_and_clamp - strh r7, [r1], r3 - add r9, r9, #0x40 - usat r8, #16, r8, asr #7 - usat r9, #16, r9, asr #7 - - strh r8, [r1], r3 ; result is transposed and stored - - ldrneb r6, [r0] ; load source data - strh r9, [r1], r3 - - ldrneb r7, [r0, #1] - ldrneb r8, [r0, #2] - - bne bil_width_loop_1st_v6 - - add r0, r0, r2 ; move to next input row - subs r12, r12, #1 - - add r9, r2, r4, lsl #1 ; adding back block width - pld [r0, r9] ; preload next row - - add r11, r11, #2 ; move over to next column - mov r1, r11 - - bne bil_height_loop_1st_v6 - - ldmia sp!, {r4 - r11, pc} - -|bil_null_1st_filter| -|bil_height_loop_null_1st| - mov lr, r4, lsr #2 ; loop counter - -|bil_width_loop_null_1st| - ldrb r6, [r0] ; load data - ldrb r7, [r0, #1] - ldrb r8, [r0, #2] - ldrb r9, [r0, #3] - - strh r6, [r1], r3 ; store it to immediate buffer - add r0, r0, #4 - strh r7, [r1], r3 - subs lr, lr, #1 - strh r8, [r1], r3 - strh r9, [r1], r3 - - bne bil_width_loop_null_1st - - subs r12, r12, #1 - add r0, r0, r2 ; move to next input line - add r11, r11, #2 ; move over to next column - mov r1, r11 - - bne bil_height_loop_null_1st - - ldmia sp!, {r4 - r11, pc} - - ENDP ; |aom_filter_block2d_bil_first_pass_media| - - -;--------------------------------- -; r0 unsigned short *src_ptr, -; r1 unsigned char *dst_ptr, -; r2 int dst_pitch, -; r3 unsigned int height, -; stack unsigned int width, -; stack const short *aom_filter -;--------------------------------- -|aom_filter_block2d_bil_second_pass_media| PROC - stmdb sp!, {r4 - r11, lr} - - ldr r11, [sp, #40] ; aom_filter address - ldr r4, [sp, #36] ; width - - ldr r5, [r11] ; load up filter coefficients - mov r12, r4 ; outer-loop counter = width, since we work on transposed data matrix - mov r11, r1 - - cmp r5, #128 ; if filter coef = 128, then skip the filter - beq bil_null_2nd_filter - -|bil_height_loop_2nd| - ldr r6, [r0] ; load the data - ldr r8, [r0, #4] - ldrh r10, [r0, #8] - mov lr, r3, lsr #2 ; loop counter - -|bil_width_loop_2nd| - pkhtb r7, r6, r8 ; src[1] | src[2] - pkhtb r9, r8, r10 ; src[3] | src[4] - - smuad r6, r6, r5 ; apply filter - smuad r8, r8, r5 ; apply filter - - subs lr, lr, #1 - - smuadx r7, r7, r5 ; apply filter - smuadx r9, r9, r5 ; apply filter - - add r0, r0, #8 - - add r6, r6, #0x40 ; round_shift_and_clamp - add r7, r7, #0x40 - usat r6, #8, r6, asr #7 - usat r7, #8, r7, asr #7 - strb r6, [r1], r2 ; the result is transposed back and stored - - add r8, r8, #0x40 ; round_shift_and_clamp - strb r7, [r1], r2 - add r9, r9, #0x40 - usat r8, #8, r8, asr #7 - usat r9, #8, r9, asr #7 - strb r8, [r1], r2 ; the result is transposed back and stored - - ldrne r6, [r0] ; load data - strb r9, [r1], r2 - ldrne r8, [r0, #4] - ldrneh r10, [r0, #8] - - bne bil_width_loop_2nd - - subs r12, r12, #1 - add r0, r0, #4 ; update src for next row - add r11, r11, #1 - mov r1, r11 - - bne bil_height_loop_2nd - ldmia sp!, {r4 - r11, pc} - -|bil_null_2nd_filter| -|bil_height_loop_null_2nd| - mov lr, r3, lsr #2 - -|bil_width_loop_null_2nd| - ldr r6, [r0], #4 ; load data - subs lr, lr, #1 - ldr r8, [r0], #4 - - strb r6, [r1], r2 ; store data - mov r7, r6, lsr #16 - strb r7, [r1], r2 - mov r9, r8, lsr #16 - strb r8, [r1], r2 - strb r9, [r1], r2 - - bne bil_width_loop_null_2nd - - subs r12, r12, #1 - add r0, r0, #4 - add r11, r11, #1 - mov r1, r11 - - bne bil_height_loop_null_2nd - - ldmia sp!, {r4 - r11, pc} - ENDP ; |aom_filter_block2d_second_pass_media| - - END |