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authorDiego Biurrun <diego@biurrun.de>2014-02-03 14:29:09 -0800
committerDiego Biurrun <diego@biurrun.de>2014-07-09 08:05:26 -0700
commitf46bb608d9d76c543e4929dc8cffe36b84bd789e (patch)
treeef0102f44eccb8378c090aad202d8aa284c0463e /libavcodec/x86/pixblockdsp.asm
parent0569a7e0bd2006d9a5248d17a1f4bf3ca654ae50 (diff)
dsputil: Split off pixel block routines into their own context
Diffstat (limited to 'libavcodec/x86/pixblockdsp.asm')
-rw-r--r--libavcodec/x86/pixblockdsp.asm110
1 files changed, 110 insertions, 0 deletions
diff --git a/libavcodec/x86/pixblockdsp.asm b/libavcodec/x86/pixblockdsp.asm
new file mode 100644
index 0000000000..c8fd1b24a1
--- /dev/null
+++ b/libavcodec/x86/pixblockdsp.asm
@@ -0,0 +1,110 @@
+;*****************************************************************************
+;* SIMD-optimized pixel operations
+;*****************************************************************************
+;* Copyright (c) 2000, 2001 Fabrice Bellard
+;* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
+;*
+;* This file is part of Libav.
+;*
+;* Libav 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.
+;*
+;* Libav 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 Libav; 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 .text
+
+INIT_MMX mmx
+; void ff_get_pixels_mmx(int16_t *block, const uint8_t *pixels, int line_size)
+cglobal get_pixels, 3,4
+ movsxdifnidn r2, r2d
+ add r0, 128
+ mov r3, -128
+ pxor m7, m7
+.loop:
+ mova m0, [r1]
+ mova m2, [r1+r2]
+ mova m1, m0
+ mova m3, m2
+ punpcklbw m0, m7
+ punpckhbw m1, m7
+ punpcklbw m2, m7
+ punpckhbw m3, m7
+ mova [r0+r3+ 0], m0
+ mova [r0+r3+ 8], m1
+ mova [r0+r3+16], m2
+ mova [r0+r3+24], m3
+ lea r1, [r1+r2*2]
+ add r3, 32
+ js .loop
+ REP_RET
+
+INIT_XMM sse2
+cglobal get_pixels, 3, 4
+ movsxdifnidn r2, r2d
+ lea r3, [r2*3]
+ pxor m4, m4
+ movh m0, [r1]
+ movh m1, [r1+r2]
+ movh m2, [r1+r2*2]
+ movh m3, [r1+r3]
+ lea r1, [r1+r2*4]
+ punpcklbw m0, m4
+ punpcklbw m1, m4
+ punpcklbw m2, m4
+ punpcklbw m3, m4
+ mova [r0], m0
+ mova [r0+0x10], m1
+ mova [r0+0x20], m2
+ mova [r0+0x30], m3
+ movh m0, [r1]
+ movh m1, [r1+r2*1]
+ movh m2, [r1+r2*2]
+ movh m3, [r1+r3]
+ punpcklbw m0, m4
+ punpcklbw m1, m4
+ punpcklbw m2, m4
+ punpcklbw m3, m4
+ mova [r0+0x40], m0
+ mova [r0+0x50], m1
+ mova [r0+0x60], m2
+ mova [r0+0x70], m3
+ RET
+
+INIT_MMX mmx
+; void ff_diff_pixels_mmx(int16_t *block, const uint8_t *s1, const uint8_t *s2,
+; int stride);
+cglobal diff_pixels, 4,5
+ movsxdifnidn r3, r3d
+ pxor m7, m7
+ add r0, 128
+ mov r4, -128
+.loop:
+ mova m0, [r1]
+ mova m2, [r2]
+ mova m1, m0
+ mova m3, m2
+ punpcklbw m0, m7
+ punpckhbw m1, m7
+ punpcklbw m2, m7
+ punpckhbw m3, m7
+ psubw m0, m2
+ psubw m1, m3
+ mova [r0+r4+0], m0
+ mova [r0+r4+8], m1
+ add r1, r3
+ add r2, r3
+ add r4, 16
+ jne .loop
+ REP_RET