author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 16 Apr 2010 16:46:38 +0300 | |
changeset 18 | 47c74d1534e1 |
permissions | -rw-r--r-- |
18
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/* |
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* LIBOIL - Library of Optimized Inner Loops |
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* Copyright (c) 2003,2004 David A. Schleef <ds@schleef.org> |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, |
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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//Portions Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. |
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|
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#ifdef HAVE_CONFIG_H |
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#include "config.h" |
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#endif |
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|
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#include <liboil/liboil.h> |
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#include <liboil/liboilfunction.h> |
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OIL_DECLARE_CLASS (argb_paint_u8); |
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|
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|
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#define div255(x) (((x + 128) + ((x + 128)>>8))>>8) |
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#define blend(x,y,a) div255((x)*(a) + (y)*(255-(a))) |
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|
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static short constants[][4] = { |
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{ 255, 255, 255, 255 }, |
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{ 128, 128, 128, 128 } |
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}; |
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|
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static void |
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argb_paint_u8_mmx (uint8_t *dest, uint8_t *color, uint8_t *alpha, int n) |
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{ |
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#if !defined(__WINSCW__) && !defined(__WINS__) |
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if (n<1)return; |
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asm volatile ( |
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" pxor %%mm0, %%mm0\n" |
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" movq (%1), %%mm3\n" |
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" punpcklbw %%mm0, %%mm3\n" |
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" movl $0, %1\n" |
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"1:\n" |
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" movq (%0), %%mm1\n" |
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" punpcklbw %%mm0, %%mm1\n" |
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" movb (%2), %%al\n" |
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" je 4f\n" |
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" cmpl $255, %1\n" |
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" jne 2f\n" |
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" movq %%mm3, %%mm2\n" |
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" jmp 3f\n" |
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"2:\n" |
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" movd %1, %%mm2\n" |
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" pshufw $0x00, %%mm2, %%mm2\n" |
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" movq 0(%4), %%mm4\n" |
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" psubw %%mm2, %%mm4\n" |
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" pmullw %%mm1, %%mm4\n" |
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" pmullw %%mm3, %%mm2\n" |
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" paddw %%mm4, %%mm2\n" |
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" paddw 8(%4), %%mm2\n" |
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" movq %%mm2, %%mm1\n" |
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" psrlw $8, %%mm1\n" |
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" paddw %%mm1, %%mm2\n" |
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" psrlw $8, %%mm2\n" |
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"3: \n" |
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" packuswb %%mm0, %%mm2\n" |
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" movd %%mm2, (%0)\n" |
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"4:\n" |
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" add $4, %0\n" |
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" add $1, %2\n" |
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" decl %3\n" |
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" jne 1b\n" |
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" emms\n" |
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: "+r" (dest), "+a" (color), "+r" (alpha), "+r" (n) |
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: "r" (&constants)); |
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#endif |
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} |
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OIL_DEFINE_IMPL_FULL (argb_paint_u8_mmx, argb_paint_u8, OIL_IMPL_FLAG_MMX|OIL_IMPL_FLAG_MMXEXT); |
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|
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|
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#ifdef __SYMBIAN32__ |
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|
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OilFunctionImpl* __oil_function_impl_argb_paint_u8_mmx, argb_paint_u8() { |
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Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
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100 |
return &_oil_function_impl_argb_paint_u8_mmx, argb_paint_u8; |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
101 |
} |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
102 |
#endif |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
103 |