diff options
Diffstat (limited to 'vp10/encoder/x86/temporal_filter_apply_sse2.asm')
| -rw-r--r-- | vp10/encoder/x86/temporal_filter_apply_sse2.asm | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/vp10/encoder/x86/temporal_filter_apply_sse2.asm b/vp10/encoder/x86/temporal_filter_apply_sse2.asm deleted file mode 100644 index 717180713..000000000 --- a/vp10/encoder/x86/temporal_filter_apply_sse2.asm +++ /dev/null @@ -1,212 +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. -; - - -%include "vpx_ports/x86_abi_support.asm" - -; void vp10_temporal_filter_apply_sse2 | arg -; (unsigned char *frame1, | 0 -; unsigned int stride, | 1 -; unsigned char *frame2, | 2 -; unsigned int block_width, | 3 -; unsigned int block_height, | 4 -; int strength, | 5 -; int filter_weight, | 6 -; unsigned int *accumulator, | 7 -; unsigned short *count) | 8 -global sym(vp10_temporal_filter_apply_sse2) PRIVATE -sym(vp10_temporal_filter_apply_sse2): - - push rbp - mov rbp, rsp - SHADOW_ARGS_TO_STACK 9 - SAVE_XMM 7 - GET_GOT rbx - push rsi - push rdi - ALIGN_STACK 16, rax - %define block_width 0 - %define block_height 16 - %define strength 32 - %define filter_weight 48 - %define rounding_bit 64 - %define rbp_backup 80 - %define stack_size 96 - sub rsp, stack_size - mov [rsp + rbp_backup], rbp - ; end prolog - - mov edx, arg(3) - mov [rsp + block_width], rdx - mov edx, arg(4) - mov [rsp + block_height], rdx - movd xmm6, arg(5) - movdqa [rsp + strength], xmm6 ; where strength is used, all 16 bytes are read - - ; calculate the rounding bit outside the loop - ; 0x8000 >> (16 - strength) - mov rdx, 16 - sub rdx, arg(5) ; 16 - strength - movq xmm4, rdx ; can't use rdx w/ shift - movdqa xmm5, [GLOBAL(_const_top_bit)] - psrlw xmm5, xmm4 - movdqa [rsp + rounding_bit], xmm5 - - mov rsi, arg(0) ; src/frame1 - mov rdx, arg(2) ; predictor frame - mov rdi, arg(7) ; accumulator - mov rax, arg(8) ; count - - ; dup the filter weight and store for later - movd xmm0, arg(6) ; filter_weight - pshuflw xmm0, xmm0, 0 - punpcklwd xmm0, xmm0 - movdqa [rsp + filter_weight], xmm0 - - mov rbp, arg(1) ; stride - pxor xmm7, xmm7 ; zero for extraction - - mov rcx, [rsp + block_width] - imul rcx, [rsp + block_height] - add rcx, rdx - cmp dword ptr [rsp + block_width], 8 - jne .temporal_filter_apply_load_16 - -.temporal_filter_apply_load_8: - movq xmm0, [rsi] ; first row - lea rsi, [rsi + rbp] ; += stride - punpcklbw xmm0, xmm7 ; src[ 0- 7] - movq xmm1, [rsi] ; second row - lea rsi, [rsi + rbp] ; += stride - punpcklbw xmm1, xmm7 ; src[ 8-15] - jmp .temporal_filter_apply_load_finished - -.temporal_filter_apply_load_16: - movdqa xmm0, [rsi] ; src (frame1) - lea rsi, [rsi + rbp] ; += stride - movdqa xmm1, xmm0 - punpcklbw xmm0, xmm7 ; src[ 0- 7] - punpckhbw xmm1, xmm7 ; src[ 8-15] - -.temporal_filter_apply_load_finished: - movdqa xmm2, [rdx] ; predictor (frame2) - movdqa xmm3, xmm2 - punpcklbw xmm2, xmm7 ; pred[ 0- 7] - punpckhbw xmm3, xmm7 ; pred[ 8-15] - - ; modifier = src_byte - pixel_value - psubw xmm0, xmm2 ; src - pred[ 0- 7] - psubw xmm1, xmm3 ; src - pred[ 8-15] - - ; modifier *= modifier - pmullw xmm0, xmm0 ; modifer[ 0- 7]^2 - pmullw xmm1, xmm1 ; modifer[ 8-15]^2 - - ; modifier *= 3 - pmullw xmm0, [GLOBAL(_const_3w)] - pmullw xmm1, [GLOBAL(_const_3w)] - - ; modifer += 0x8000 >> (16 - strength) - paddw xmm0, [rsp + rounding_bit] - paddw xmm1, [rsp + rounding_bit] - - ; modifier >>= strength - psrlw xmm0, [rsp + strength] - psrlw xmm1, [rsp + strength] - - ; modifier = 16 - modifier - ; saturation takes care of modifier > 16 - movdqa xmm3, [GLOBAL(_const_16w)] - movdqa xmm2, [GLOBAL(_const_16w)] - psubusw xmm3, xmm1 - psubusw xmm2, xmm0 - - ; modifier *= filter_weight - pmullw xmm2, [rsp + filter_weight] - pmullw xmm3, [rsp + filter_weight] - - ; count - movdqa xmm4, [rax] - movdqa xmm5, [rax+16] - ; += modifier - paddw xmm4, xmm2 - paddw xmm5, xmm3 - ; write back - movdqa [rax], xmm4 - movdqa [rax+16], xmm5 - lea rax, [rax + 16*2] ; count += 16*(sizeof(short)) - - ; load and extract the predictor up to shorts - pxor xmm7, xmm7 - movdqa xmm0, [rdx] - lea rdx, [rdx + 16*1] ; pred += 16*(sizeof(char)) - movdqa xmm1, xmm0 - punpcklbw xmm0, xmm7 ; pred[ 0- 7] - punpckhbw xmm1, xmm7 ; pred[ 8-15] - - ; modifier *= pixel_value - pmullw xmm0, xmm2 - pmullw xmm1, xmm3 - - ; expand to double words - movdqa xmm2, xmm0 - punpcklwd xmm0, xmm7 ; [ 0- 3] - punpckhwd xmm2, xmm7 ; [ 4- 7] - movdqa xmm3, xmm1 - punpcklwd xmm1, xmm7 ; [ 8-11] - punpckhwd xmm3, xmm7 ; [12-15] - - ; accumulator - movdqa xmm4, [rdi] - movdqa xmm5, [rdi+16] - movdqa xmm6, [rdi+32] - movdqa xmm7, [rdi+48] - ; += modifier - paddd xmm4, xmm0 - paddd xmm5, xmm2 - paddd xmm6, xmm1 - paddd xmm7, xmm3 - ; write back - movdqa [rdi], xmm4 - movdqa [rdi+16], xmm5 - movdqa [rdi+32], xmm6 - movdqa [rdi+48], xmm7 - lea rdi, [rdi + 16*4] ; accumulator += 16*(sizeof(int)) - - cmp rdx, rcx - je .temporal_filter_apply_epilog - pxor xmm7, xmm7 ; zero for extraction - cmp dword ptr [rsp + block_width], 16 - je .temporal_filter_apply_load_16 - jmp .temporal_filter_apply_load_8 - -.temporal_filter_apply_epilog: - ; begin epilog - mov rbp, [rsp + rbp_backup] - add rsp, stack_size - pop rsp - pop rdi - pop rsi - RESTORE_GOT - RESTORE_XMM - UNSHADOW_ARGS - pop rbp - ret - -SECTION_RODATA -align 16 -_const_3w: - times 8 dw 3 -align 16 -_const_top_bit: - times 8 dw 1<<15 -align 16 -_const_16w - times 8 dw 16 |