| 36,6 → 36,8 |
|---|
| test eax, eax |
| je .done |
| |
| if USE_SSE2_MIXER |
| |
| cmp eax, 1 |
| ja @F |
| ;use fast path |
| 44,6 → 46,17 |
|---|
| call mix_fast |
| jmp .next |
| @@: |
| cmp eax, 2 |
| ja @F |
| |
| mov edi, [output] |
| lea edx, [mix_list] |
| call mix_fast_2_stream |
| jmp .next |
| @@: |
| |
| end if |
| |
| lea ebx, [mix_list] |
| stdcall mix_all, [output], ebx, eax |
| .next: |
| 372,6 → 385,72 |
|---|
| |
| ret |
| |
| align 4 |
| mix_fast_2_stream: |
| |
| mov ebx, 32 |
| mov eax, [edx] |
| |
| movss xmm4, [edx+4] ; vol Lf |
| movss xmm5, [edx+8] ; vol Rf |
| mov ecx, [edx+12] |
| |
| movss xmm6, [edx+16] ; vol Lf |
| movss xmm7, [edx+20] ; vol Rf |
| |
| shufps xmm4, xmm5, 0 ; Rf Rf Lf Lf |
| shufps xmm4, xmm4, 0x88 ; volume level Rf Lf Rf Lf |
| |
| shufps xmm6, xmm7, 0 ; Rf Rf Lf Lf |
| shufps xmm6, xmm6, 0x88 ; volume level Rf Lf Rf Lf |
| |
| .mix: |
| movdqa xmm1, [eax] ; R3w L3w R2w L2w R1w L1w R0w L0w |
| movdqa xmm3, [ecx] ; R3w L3w R2w L2w R1w L1w R0w L0w |
| |
| add eax, 16 |
| add ecx, 16 |
| |
| punpcklwd xmm0, xmm1 ; R1w R1w L1w L1W R0w R0w L0w L0w |
| punpckhwd xmm1, xmm1 ; R3w R3w L3w L3w R2w R2w L2w L2w |
| |
| psrad xmm0, 16 ; R1d L1d R0d L0d |
| psrad xmm1, 16 ; R3d L3d R2d L2d |
| |
| cvtdq2ps xmm0, xmm0 ; time to use all power |
| cvtdq2ps xmm1, xmm1 ; of the dark side |
| |
| mulps xmm0, xmm4 ; R1f' L1f' R0f' L0f' |
| mulps xmm1, xmm4 ; R3f' L3f' R2f' L2f' |
| |
| punpcklwd xmm2, xmm3 ; R1w R1w L1w L1W R0w R0w L0w L0w |
| punpckhwd xmm3, xmm3 ; R3w R3w L3w L3w R2w R2w L2w L2w |
| |
| psrad xmm2, 16 ; R1d L1d R0d L0d |
| psrad xmm3, 16 ; R3d L3d R2d L2d |
| |
| cvtdq2ps xmm2, xmm2 ; time to use all power |
| cvtdq2ps xmm3, xmm3 ; of the dark side |
| |
| mulps xmm2, xmm6 ; R1f' L1f' R0f' L0f' |
| mulps xmm3, xmm6 ; R3f' L3f' R2f' L2f' |
| |
| addps xmm0, xmm2 |
| addps xmm1, xmm3 |
| |
| cvtps2dq xmm0, xmm0 ; R1d' L1d' R0d' L0d' |
| cvtps2dq xmm1, xmm1 ; R3d' L3d' R2d' L2d' |
| packssdw xmm0, xmm0 ; R1w' L1w' R0w' L0w' R1w' L1w' R0w' L0w' |
| packssdw xmm1, xmm1 ; R3w' L3w' R2w' L2w' R3w' L3w' R2w' L2w' |
| punpcklqdq xmm0, xmm1 ; R3w' L3w' R2w' L2w' R1w' L1w' R0w' L0w' |
| movntdq [edi], xmm0 |
| |
| add edi, 16 |
| dec ebx |
| jnz .mix |
| |
| ret |
| |
| else ; fixed point mmx version |
| |
| align 4 |