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Diffstat (limited to 'system/mmx/pixel_crot_s16.s')
| -rw-r--r-- | system/mmx/pixel_crot_s16.s | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/system/mmx/pixel_crot_s16.s b/system/mmx/pixel_crot_s16.s deleted file mode 100644 index 2427869..0000000 --- a/system/mmx/pixel_crot_s16.s +++ /dev/null @@ -1,153 +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_crot3d_s16 -.type pixel_crot3d_s16,@function - - -# 3 dimensional colour space rotation -# 3x3 matrix is column encoded, each coefficient is a 4x16 bit fixed point vector - -# void pixel_crot3d_s16(int *buf, int nb_4pixel_vectors_per_plane, short int *matrix) - -pixel_crot3d_s16: - pushl %ebp - movl %esp, %ebp - push %esi - push %edi - - - movl 8(%ebp), %esi # input array - movl 12(%ebp), %ecx # pixel count - movl 16(%ebp), %edi # rotation matrix - movl %ecx, %edx - shll $3, %edx # %edx = plane spacing - - - .align 16 - .loop_crot3d: - - movq (%esi), %mm0 # get 1st component - movq (%esi,%edx,1), %mm6 # get 2nd component - movq (%esi,%edx,2), %mm7 # get 3rd component - - movq %mm0, %mm1 # copy 1st component - movq %mm0, %mm2 - - pmulhw (%edi), %mm0 # mul first column - pmulhw 8(%edi), %mm1 - pmulhw 16(%edi), %mm2 - - movq %mm6, %mm5 # copy 2nd component - movq %mm6, %mm3 - - pmulhw 24(%edi), %mm6 # mul second column - pmulhw 32(%edi), %mm5 - pmulhw 40(%edi), %mm3 - - paddsw %mm6, %mm0 # accumulate - paddsw %mm5, %mm1 - paddsw %mm3, %mm2 - - movq %mm7, %mm4 # copy 3rd component - movq %mm7, %mm6 - - pmulhw 48(%edi), %mm4 # mul third column - pmulhw 56(%edi), %mm6 - pmulhw 64(%edi), %mm7 - - paddsw %mm4, %mm0 # accumulate - paddsw %mm6, %mm1 - paddsw %mm7, %mm2 - - paddsw %mm0, %mm0 # double (fixed point normalization) - paddsw %mm1, %mm1 - paddsw %mm2, %mm2 - - movq %mm0, (%esi) # store - movq %mm1, (%esi, %edx, 1) - movq %mm2, (%esi, %edx, 2) - - addl $8, %esi # increment source pointer - decl %ecx - jnz .loop_crot3d # loop - - emms - - pop %edi - pop %esi - leave - ret - - -.globl pixel_crot2d_s16 -.type pixel_crot2d_s16,@function - -# 2 dimensional colour space rotation -# 2x2 matrix is column encoded, each coefficient is a 4x16 bit fixed point vector - -# void pixel_crot2d_s16(int *buf, int nb_4pixel_vectors_per_plane, short int *matrix) - -pixel_crot2d_s16: - pushl %ebp - movl %esp, %ebp - push %esi - push %edi - - - movl 8(%ebp), %esi # input array - movl 12(%ebp), %ecx # pixel count - movl 16(%ebp), %edi # rotation matrix - movl %ecx, %edx - shll $3, %edx # %edx = plane spacing - - - .align 16 - .loop_crot2d: - - movq (%esi), %mm0 # get 1st component - movq (%esi,%edx,1), %mm2 # get 2nd component - - movq %mm0, %mm1 # copy 1st component - movq %mm2, %mm3 # copy 2nd component - - pmulhw (%edi), %mm0 # mul first column - pmulhw 8(%edi), %mm1 - - pmulhw 16(%edi), %mm2 # mul second column - pmulhw 24(%edi), %mm3 - - paddsw %mm2, %mm0 # accumulate - paddsw %mm3, %mm1 - - paddsw %mm0, %mm0 # fixed point gain correction - paddsw %mm1, %mm1 - - movq %mm0, (%esi) # store - movq %mm1, (%esi, %edx, 1) - - addl $8, %esi # increment source pointer - decl %ecx - jnz .loop_crot2d # loop - - emms - - pop %edi - pop %esi - leave - ret - |