1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/ossrv/genericopenlibs/liboil/src/i386/argb_paint_i386.c Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,103 @@
1.4 +/*
1.5 + * LIBOIL - Library of Optimized Inner Loops
1.6 + * Copyright (c) 2003,2004 David A. Schleef <ds@schleef.org>
1.7 + * All rights reserved.
1.8 + *
1.9 + * Redistribution and use in source and binary forms, with or without
1.10 + * modification, are permitted provided that the following conditions
1.11 + * are met:
1.12 + * 1. Redistributions of source code must retain the above copyright
1.13 + * notice, this list of conditions and the following disclaimer.
1.14 + * 2. Redistributions in binary form must reproduce the above copyright
1.15 + * notice, this list of conditions and the following disclaimer in the
1.16 + * documentation and/or other materials provided with the distribution.
1.17 + *
1.18 + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
1.19 + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
1.20 + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1.21 + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
1.22 + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
1.23 + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
1.24 + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
1.25 + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
1.26 + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
1.27 + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
1.28 + * POSSIBILITY OF SUCH DAMAGE.
1.29 + */
1.30 +//Portions Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
1.31 +
1.32 +#ifdef HAVE_CONFIG_H
1.33 +#include "config.h"
1.34 +#endif
1.35 +
1.36 +#include <liboil/liboil.h>
1.37 +#include <liboil/liboilfunction.h>
1.38 +
1.39 +OIL_DECLARE_CLASS (argb_paint_u8);
1.40 +
1.41 +
1.42 +#define div255(x) (((x + 128) + ((x + 128)>>8))>>8)
1.43 +#define blend(x,y,a) div255((x)*(a) + (y)*(255-(a)))
1.44 +
1.45 +static short constants[][4] = {
1.46 + { 255, 255, 255, 255 },
1.47 + { 128, 128, 128, 128 }
1.48 +};
1.49 +
1.50 +static void
1.51 +argb_paint_u8_mmx (uint8_t *dest, uint8_t *color, uint8_t *alpha, int n)
1.52 +{
1.53 +#if !defined(__WINSCW__) && !defined(__WINS__)
1.54 + if (n<1)return;
1.55 + asm volatile (
1.56 + " pxor %%mm0, %%mm0\n"
1.57 + " movq (%1), %%mm3\n"
1.58 + " punpcklbw %%mm0, %%mm3\n"
1.59 + " movl $0, %1\n"
1.60 + "1:\n"
1.61 + " movq (%0), %%mm1\n"
1.62 + " punpcklbw %%mm0, %%mm1\n"
1.63 + " movb (%2), %%al\n"
1.64 + " je 4f\n"
1.65 + " cmpl $255, %1\n"
1.66 + " jne 2f\n"
1.67 + " movq %%mm3, %%mm2\n"
1.68 + " jmp 3f\n"
1.69 + "2:\n"
1.70 + " movd %1, %%mm2\n"
1.71 + " pshufw $0x00, %%mm2, %%mm2\n"
1.72 + " movq 0(%4), %%mm4\n"
1.73 + " psubw %%mm2, %%mm4\n"
1.74 + " pmullw %%mm1, %%mm4\n"
1.75 + " pmullw %%mm3, %%mm2\n"
1.76 + " paddw %%mm4, %%mm2\n"
1.77 + " paddw 8(%4), %%mm2\n"
1.78 + " movq %%mm2, %%mm1\n"
1.79 + " psrlw $8, %%mm1\n"
1.80 + " paddw %%mm1, %%mm2\n"
1.81 + " psrlw $8, %%mm2\n"
1.82 + "3: \n"
1.83 + " packuswb %%mm0, %%mm2\n"
1.84 + " movd %%mm2, (%0)\n"
1.85 + "4:\n"
1.86 + " add $4, %0\n"
1.87 + " add $1, %2\n"
1.88 + " decl %3\n"
1.89 + " jne 1b\n"
1.90 + " emms\n"
1.91 + : "+r" (dest), "+a" (color), "+r" (alpha), "+r" (n)
1.92 + : "r" (&constants));
1.93 +#endif
1.94 +}
1.95 +OIL_DEFINE_IMPL_FULL (argb_paint_u8_mmx, argb_paint_u8, OIL_IMPL_FLAG_MMX|OIL_IMPL_FLAG_MMXEXT);
1.96 +
1.97 +
1.98 +
1.99 +
1.100 +#ifdef __SYMBIAN32__
1.101 +
1.102 +OilFunctionImpl* __oil_function_impl_argb_paint_u8_mmx, argb_paint_u8() {
1.103 + return &_oil_function_impl_argb_paint_u8_mmx, argb_paint_u8;
1.104 +}
1.105 +#endif
1.106 +