diff options
Diffstat (limited to 'system/mmx/pixel_affine_s16.s')
| -rw-r--r-- | system/mmx/pixel_affine_s16.s | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/system/mmx/pixel_affine_s16.s b/system/mmx/pixel_affine_s16.s deleted file mode 100644 index b357de3..0000000 --- a/system/mmx/pixel_affine_s16.s +++ /dev/null @@ -1,59 +0,0 @@ -# Pure Data Packet mmx routine. -# Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org> -# -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2 of the License, or -# (at your option) any later version. -# -# This program 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 General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -# -.globl pixel_affine_s16 -.type pixel_affine_s16,@function - -# void pixel_affine_s16(int *buf, int nb_8pixel_vectors, short int gain[4], short int offset[4]) - -pixel_affine_s16: - pushl %ebp - movl %esp, %ebp - push %esi - push %edi - - movl 20(%ebp), %edi - movq (%edi), %mm6 # get offset vector - - movl 16(%ebp), %edi - movq (%edi), %mm7 # get gain vector - - movl 8(%ebp), %esi # input array - movl 12(%ebp), %ecx # pixel count - - - .align 16 - .loop_affine: - -# prefetch 128(%esi) - movq (%esi), %mm0 # load 4 pixels from memory - pmulhw %mm7, %mm0 # apply gain (s).15 fixed point - psllw $1, %mm0 # apply correction shift - paddsw %mm6, %mm0 # add offset - movq %mm0, (%esi) # store result in memory - - addl $8, %esi # increment source pointer - decl %ecx - jnz .loop_affine # loop - - emms - - pop %edi - pop %esi - leave - ret - |