[deb_ffmpeg.git] / ffmpeg / libavfilter / x86 / vf_gradfun.asm

;******************************************************************************
;* x86-optimized functions for gradfun filter
;*
;* This file is part of FFmpeg.
;*
;* FFmpeg is free software; you can redistribute it and/or
;* modify it under the terms of the GNU Lesser General Public
;* License as published by the Free Software Foundation; either
;* version 2.1 of the License, or (at your option) any later version.
;*
;* FFmpeg is distributed in the hope that it will be useful,
;* but WITHOUT ANY WARRANTY; without even the implied warranty of
;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
;* Lesser General Public License for more details.
;*
;* You should have received a copy of the GNU Lesser General Public
;* License along with FFmpeg; if not, write to the Free Software
;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
;******************************************************************************

%include "libavutil/x86/x86util.asm"

SECTION_RODATA

pw_7f: times 8 dw 0x7F
pw_ff: times 8 dw 0xFF

SECTION .text

%macro FILTER_LINE 1
    movh       m0, [r2+r0]
    movh       m1, [r3+r0]
    punpcklbw  m0, m7
    punpcklwd  m1, m1
    psllw      m0, 7
    psubw      m1, m0
    PABSW      m2, m1
    pmulhuw    m2, m5
    psubw      m2, m6
    pminsw     m2, m7
    pmullw     m2, m2
    psllw      m1, 2
    paddw      m0, %1
    pmulhw     m1, m2
    paddw      m0, m1
    psraw      m0, 7
    packuswb   m0, m0
    movh  [r1+r0], m0
%endmacro

INIT_MMX mmxext
cglobal gradfun_filter_line, 6, 6
    movh      m5, r4d
    pxor      m7, m7
    pshufw    m5, m5,0
    mova      m6, [pw_7f]
    mova      m3, [r5]
    mova      m4, [r5+8]
.loop:
    FILTER_LINE m3
    add       r0, 4
    jge .end
    FILTER_LINE m4
    add       r0, 4
    jl .loop
.end:
    REP_RET

INIT_XMM ssse3
cglobal gradfun_filter_line, 6, 6, 8
    movd       m5, r4d
    pxor       m7, m7
    pshuflw    m5, m5, 0
    mova       m6, [pw_7f]
    punpcklqdq m5, m5
    mova       m4, [r5]
.loop:
    FILTER_LINE m4
    add        r0, 8
    jl .loop
    REP_RET

%macro BLUR_LINE 1
cglobal gradfun_blur_line_%1, 6, 6, 8
    mova        m7, [pw_ff]
.loop:
    %1          m0, [r4+r0]
    %1          m1, [r5+r0]
    mova        m2, m0
    mova        m3, m1
    psrlw       m0, 8
    psrlw       m1, 8
    pand        m2, m7
    pand        m3, m7
    paddw       m0, m1
    paddw       m2, m3
    paddw       m0, m2
    paddw       m0, [r2+r0]
    mova        m1, [r1+r0]
    mova   [r1+r0], m0
    psubw       m0, m1
    mova   [r3+r0], m0
    add         r0, 16
    jl .loop
    REP_RET
%endmacro

INIT_XMM sse2
BLUR_LINE movdqa
BLUR_LINE movdqu
Commit	Line	Data
2ba45a60 DM	1	;******************************************************************************
	2	;* x86-optimized functions for gradfun filter
	3	;*
	4	;* This file is part of FFmpeg.
	5	;*
	6	;* FFmpeg is free software; you can redistribute it and/or
	7	;* modify it under the terms of the GNU Lesser General Public
	8	;* License as published by the Free Software Foundation; either
	9	;* version 2.1 of the License, or (at your option) any later version.
	10	;*
	11	;* FFmpeg is distributed in the hope that it will be useful,
	12	;* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	14	;* Lesser General Public License for more details.
	15	;*
	16	;* You should have received a copy of the GNU Lesser General Public
	17	;* License along with FFmpeg; if not, write to the Free Software
	18	;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	19	;******************************************************************************
	20
	21	%include "libavutil/x86/x86util.asm"
	22
	23	SECTION_RODATA
	24
	25	pw_7f: times 8 dw 0x7F
	26	pw_ff: times 8 dw 0xFF
	27
	28	SECTION .text
	29
	30	%macro FILTER_LINE 1
	31	movh m0, [r2+r0]
	32	movh m1, [r3+r0]
	33	punpcklbw m0, m7
	34	punpcklwd m1, m1
	35	psllw m0, 7
	36	psubw m1, m0
	37	PABSW m2, m1
	38	pmulhuw m2, m5
	39	psubw m2, m6
	40	pminsw m2, m7
	41	pmullw m2, m2
	42	psllw m1, 2
	43	paddw m0, %1
	44	pmulhw m1, m2
	45	paddw m0, m1
	46	psraw m0, 7
	47	packuswb m0, m0
	48	movh [r1+r0], m0
	49	%endmacro
	50
	51	INIT_MMX mmxext
	52	cglobal gradfun_filter_line, 6, 6
	53	movh m5, r4d
	54	pxor m7, m7
	55	pshufw m5, m5,0
	56	mova m6, [pw_7f]
	57	mova m3, [r5]
	58	mova m4, [r5+8]
	59	.loop:
	60	FILTER_LINE m3
	61	add r0, 4
	62	jge .end
	63	FILTER_LINE m4
	64	add r0, 4
65	jl .loop
66	.end:
67	REP_RET
68
69	INIT_XMM ssse3
70	cglobal gradfun_filter_line, 6, 6, 8
71	movd m5, r4d
72	pxor m7, m7
73	pshuflw m5, m5, 0
74	mova m6, [pw_7f]
75	punpcklqdq m5, m5
76	mova m4, [r5]
77	.loop:
78	FILTER_LINE m4
79	add r0, 8
80	jl .loop
81	REP_RET
82
83	%macro BLUR_LINE 1
84	cglobal gradfun_blur_line_%1, 6, 6, 8
85	mova m7, [pw_ff]
86	.loop:
87	%1 m0, [r4+r0]
88	%1 m1, [r5+r0]
89	mova m2, m0
90	mova m3, m1
91	psrlw m0, 8
92	psrlw m1, 8
93	pand m2, m7
94	pand m3, m7
95	paddw m0, m1
96	paddw m2, m3
97	paddw m0, m2
98	paddw m0, [r2+r0]
99	mova m1, [r1+r0]
100	mova [r1+r0], m0
101	psubw m0, m1
102	mova [r3+r0], m0
103	add r0, 16
104	jl .loop
105	REP_RET
106	%endmacro
107
108	INIT_XMM sse2
109	BLUR_LINE movdqa
110	BLUR_LINE movdqu