src/fe-gtk/mmx_cmod.S


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pre { line-height: 125%; }
td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
span.linenos { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
td.linenos .special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
span.linenos.special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
.highlight .hll { background-color: #ffffcc }
.highlight .c { color: #888888 } /* Comment */
.highlight .err { color: #a61717; background-color: #e3d2d2 } /* Error */
.highlight .k { color: #008800; font-weight: bold } /* Keyword */
.highlight .ch { color: #888888 } /* Comment.Hashbang */
.highlight .cm { color: #888888 } /* Comment.Multiline */
.highlight .cp { color: #cc0000; font-weight: bold } /* Comment.Preproc */
.highlight .cpf { color: #888888 } /* Comment.PreprocFile */
.highlight .c1 { color: #888888 } /* Comment.Single */
.highlight .cs { color: #cc0000; font-weight: bold; background-color: #fff0f0 } /* Comment.Special */
.highlight .gd { color: #000000; background-color: #ffdddd } /* Generic.Deleted */
.highlight .ge { font-style: italic } /* Generic.Emph */
.highlight .ges { font-weight: bold; font-style: italic } /* Generic.EmphStrong */
.highlight .gr { color: #aa0000 } /* Generic.Error */
.highlight .gh { color: #333333 } /* Generic.Heading */
.highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */
.highlight .go { color: #888888 } /* Generic.Output */
.highlight .gp { color: #555555 } /* Generic.Prompt */
.highlight .gs { font-weight: bold } /* Generic.Strong */
.highlight .gu { color: #666666 } /* Generic.Subheading */
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.highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */
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.highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */
.highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */
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.highlight .na { color: #336699 } /* Name.Attribute */
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.highlight .nd { color: #555555 } /* Name.Decorator */
.highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */
.highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */
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.highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */
.highlight .py { color: #336699; font-weight: bold } /* Name.Property */
.highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */
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.highlight .ow { color: #008800 } /* Operator.Word */
.highlight .w { color: #bbbbbb } /* Text.Whitespace */
.highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */
.highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */
.highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */
.highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */
.highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */
.highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */
.highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */
.highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */
.highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */
.highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */
.highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */
.highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */
.highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */
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.highlight .vi { color: #3333bb } /* Name.Variable.Instance */
.highlight .vm { color: #336699 } /* Name.Variable.Magic */
.highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */@echo off
set WDK_ROOT=c:\WinDDK\7600.16385.1
cd ..
set DEV_32=%cd%\dep-x86
cd src
echo DEV32 = %DEV_32% > makeinc.mak
type makeinc.skel.mak >> makeinc.mak
set INCLUDE=%WDK_ROOT%\inc\api;%WDK_ROOT%\inc\crt;%WDK_ROOT%\inc\api\crt\stl70
set LIB=%WDK_ROOT%\lib\wxp\i386;%WDK_ROOT%\lib\Crt\i386
set OPATH=%PATH%
set PATH=%PROGRAMFILES(X86)%\Microsoft Visual Studio 10.0\VC\bin;%PROGRAMFILES(X86)%\Microsoft Visual Studio 10.0\Common7\IDE;%PROGRAMFILES(X86)%\Microsoft SDKs\Windows\v7.0A\Bin;%DEV_32%\bin
nmake /nologo /f makefile.mak clean
cd pixmaps
nmake /nologo /f makefile.mak
cd ..
nmake /nologo /f makefile.mak
cd ..\plugins
nmake /nologo /f makefile.mak clean
nmake /nologo /f makefile.mak
cd ..\build
set PATH=%OPATH%
set DEPS_ROOT=..\dep-x86
set XCHAT_DEST=..\tmp
rmdir /q /s %XCHAT_DEST%
mkdir %XCHAT_DEST%
echo 2> portable-mode
move portable-mode %XCHAT_DEST%
copy ..\src\fe-gtk\xchat.exe %XCHAT_DEST%
copy %DEPS_ROOT%\bin\libgtk-win32-2.0-0.dll %XCHAT_DEST%
copy %DEPS_ROOT%\bin\libgdk_pixbuf-2.0-0.dll %XCHAT_DEST%
copy %DEPS_ROOT%\bin\libgio-2.0-0.dll %XCHAT_DEST%
copy %DEPS_ROOT%\bin\libglib-2.0-0.dll %XCHAT_DEST%
copy %DEPS_ROOT%\bin\libgmodule-2.0-0.dll %XCHAT_DEST%
copy %DEPS_ROOT%\bin\libgobject-2.0-0.dll %XCHAT_DEST%
copy %DEPS_ROOT%\bin\libgthread-2.0-0.dll %XCHAT_DEST%
copy %DEPS_ROOT%\bin\libpng14-14.dll %XCHAT_DEST%
copy %DEPS_ROOT%\bin\libgdk-win32-2.0-0.dll %XCHAT_DEST%
copy %DEPS_ROOT%\bin\libcairo-2.dll %XCHAT_DEST%
copy %DEPS_ROOT%\bin\libfontconfig-1.dll %XCHAT_DEST%
copy %DEPS_ROOT%\bin\libexpat-1.dll %XCHAT_DEST%
copy %DEPS_ROOT%\bin\freetype6.dll %XCHAT_DEST%
copy %DEPS_ROOT%\bin\libpango-1.0-0.dll %XCHAT_DEST%
copy %DEPS_ROOT%\bin\libpangocairo-1.0-0.dll %XCHAT_DEST%
copy %DEPS_ROOT%\bin\libpangoft2-1.0-0.dll %XCHAT_DEST%
copy %DEPS_ROOT%\bin\libpangowin32-1.0-0.dll %XCHAT_DEST%
copy %DEPS_ROOT%\bin\libatk-1.0-0.dll %XCHAT_DEST%
copy %DEPS_ROOT%\bin\intl.dll %XCHAT_DEST%
xcopy /q /s /i %DEPS_ROOT%\lib\gtk-2.0\2.10.0\engines\libpixmap.dll %XCHAT_DEST%\lib\gtk-2.0\2.10.0\engines\
copy %DEPS_ROOT%\lib\gtk-2.0\2.10.0\engines\libwimp.dll %XCHAT_DEST%\lib\gtk-2.0\2.10.0\engines
xcopy /q /s /i %DEPS_ROOT%\lib\gtk-2.0\modules\libgail.dll %XCHAT_DEST%\lib\gtk-2.0\modules\
xcopy /q /s /i etc %XCHAT_DEST%\etc
copy %DEPS_ROOT%\bin\libeay32.dll %XCHAT_DEST%
copy %DEPS_ROOT%\bin\ssleay32.dll %XCHAT_DEST%
copy %DEPS_ROOT%\bin\zlib1.dll %XCHAT_DEST%
copy %DEPS_ROOT%\bin\cert.pem %XCHAT_DEST%
copy %DEPS_ROOT%\bin\libenchant.dll %XCHAT_DEST%
xcopy /q /s /i %DEPS_ROOT%\lib\enchant\libenchant_myspell.dll %XCHAT_DEST%\lib\enchant\
xcopy /q /s /i ..\plugins\checksum\xcchecksum.dll %XCHAT_DEST%\plugins\
copy ..\plugins\lua\xclua.dll %XCHAT_DEST%\plugins
copy ..\plugins\python\xcpython.dll %XCHAT_DEST%\plugins
copy ..\plugins\tcl\xctcl.dll %XCHAT_DEST%\plugins
copy ..\plugins\upd\xcupd.dll %XCHAT_DEST%\plugins
copy ..\plugins\xdcc\xcxdcc.dll %XCHAT_DEST%\plugins
copy ..\plugins\xtray\xtray.dll %XCHAT_DEST%\plugins
copy ..\plugins\winamp\xcwinamp.dll %XCHAT_DEST%\plugins
copy %DEPS_ROOT%\bin\lua51.dll %XCHAT_DEST%
/*
 * Copyright (C) 1997-2001, Michael Jennings
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies of the Software, its documentation and marketing & publicity
 * materials, and acknowledgment shall be given in the documentation, materials
 * and software packages that this Software was used.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

/* MMX routines for tinting XImages written by Willem Monsuwe <willem@stack.nl> */

/* Function calling conventions:
 *   shade_ximage_xx(void *data, int bpl, int w, int h, int rm, int gm, int bm);
 */

#define data	8(%ebp)
#define bpl	12(%ebp)
#define w	16(%ebp)
#define h	20(%ebp)
#define rm	24(%ebp)
#define gm	28(%ebp)
#define bm	32(%ebp)

#ifdef UNDERSCORE_SYMBOLS /* need this to link with msvc */
#define SHADE_XIMAGE_15 _shade_ximage_15_mmx
#define SHADE_XIMAGE_16 _shade_ximage_16_mmx
#define SHADE_XIMAGE_32 _shade_ximage_32_mmx
#define HAVE_MMX _have_mmx
#else
#define SHADE_XIMAGE_15 shade_ximage_15_mmx
#define SHADE_XIMAGE_16 shade_ximage_16_mmx
#define SHADE_XIMAGE_32 shade_ximage_32_mmx
#define HAVE_MMX have_mmx
#endif

.globl SHADE_XIMAGE_15
.globl SHADE_XIMAGE_16
.globl SHADE_XIMAGE_32
.globl HAVE_MMX

.bss
.text
.align 8

#define ENTER                   \
        pushl %ebp              ;\
        movl %esp, %ebp         ;\
        pushl %ebx              ;\
        pushl %ecx              ;\
        pushl %edx              ;\
        pushl %edi              ;\
        pushl %esi              ;\
        movl data, %esi         ;\
        movl w, %ebx            ;\
        movl h, %edx

#define LEAVE                   \
4:                              ;\
        emms                    ;\
        popl %esi               ;\
        popl %edi               ;\
        popl %edx               ;\
        popl %ecx               ;\
        popl %ebx               ;\
        movl %ebp, %esp         ;\
        popl %ebp               ;\
        ret


SHADE_XIMAGE_15:
        ENTER

        leal -6(%esi, %ebx, 2), %esi
        negl %ebx
        jz 5f

        /* Setup multipliers */
        movd rm, %mm5
        movd gm, %mm6
        movd bm, %mm7
        punpcklwd %mm5, %mm5    /* 00 00 00 00 rm rm rm rm */
        punpcklwd %mm6, %mm6    /* 00 00 00 00 gm gm gm gm */
        punpcklwd %mm7, %mm7    /* 00 00 00 00 bm bm bm bm */
        punpckldq %mm5, %mm5    /* rm rm rm rm rm rm rm rm */
        punpckldq %mm6, %mm6    /* gm gm gm gm gm gm gm gm */
        punpckldq %mm7, %mm7    /* bm bm bm bm bm bm bm bm */

        cmpl $256, rm
        jg shade_ximage_15_mmx_saturate
        cmpl $256, gm
        jg shade_ximage_15_mmx_saturate
        cmpl $256, bm
        jg shade_ximage_15_mmx_saturate

1:      movl %ebx, %ecx
        addl $3, %ecx
        jns 3f
2:
        movq (%esi, %ecx, 2), %mm0

        movq %mm0, %mm1         /* rg gb */
        movq %mm0, %mm2         /* rg gb */
        psrlw $5, %mm1          /* 0r rg */
        psrlw $10, %mm0         /* 00 0r */
        psllw $11, %mm2         /* b0 00 */
        psllw $11, %mm1         /* g0 00 */
        psllw $8, %mm0          /* 0r 00 */
        psrlw $3, %mm1          /* 0g 00 */
        psrlw $3, %mm2          /* 0b 00 */

        pmulhw %mm5, %mm0       /* 00 0r */
        pmulhw %mm6, %mm1       /* 00 0g */
        pmulhw %mm7, %mm2       /* 00 0b */

        psllw $10, %mm0         /* r0 00 */
        psllw $5, %mm1          /* 0g g0 */
        por %mm2, %mm0          /* r0 0b */
        por %mm1, %mm0          /* rg gb */
        
        movq %mm0, (%esi, %ecx, 2)

        addl $4, %ecx
        js 2b
        jmp 4f
3:
        movw (%esi, %ecx, 2), %ax
        movd %eax, %mm0

        movq %mm0, %mm1         /* rg gb */
        movq %mm0, %mm2         /* rg gb */
        psrlw $5, %mm1          /* 0r rg */
        psrlw $10, %mm0         /* 00 0r */
        psllw $11, %mm2         /* b0 00 */
        psllw $11, %mm1         /* g0 00 */
        psllw $8, %mm0          /* 0r 00 */
        psrlw $3, %mm1          /* 0g 00 */
        psrlw $3, %mm2          /* 0b 00 */

        pmulhw %mm5, %mm0       /* 00 0r */
        pmulhw %mm6, %mm1       /* 00 0g */
        pmulhw %mm7, %mm2       /* 00 0b */

        psllw $10, %mm0         /* r0 00 */
        psllw $5, %mm1          /* 0g g0 */
        por %mm2, %mm0          /* r0 0b */
        por %mm1, %mm0          /* rg gb */

        movd %mm0, %eax
        movw %ax, (%esi, %ecx, 2)

        incl %ecx
4:
        cmpl $2, %ecx
        jng 3b

        addl bpl, %esi
        decl %edx
        jnz 1b
5:
        LEAVE


shade_ximage_15_mmx_saturate:

        pcmpeqw %mm3, %mm3
        psllw $5, %mm3          /* ff e0 ff e0 ff e0 ff e0 */

1:      movl %ebx, %ecx
        addl $3, %ecx
        jns 3f
2:
        movq (%esi, %ecx, 2), %mm0

        movq %mm0, %mm1         /* rg gb */
        movq %mm0, %mm2         /* rg gb */
        psrlw $5, %mm1          /* 0r rg */
        psrlw $10, %mm0         /* 00 0r */
        psllw $11, %mm2         /* b0 00 */
        psllw $11, %mm1         /* g0 00 */
        psllw $8, %mm0          /* 0r 00 */
        psrlw $3, %mm1          /* 0g 00 */
        psrlw $3, %mm2          /* 0b 00 */

        pmulhw %mm5, %mm0       /* xx xr */
        pmulhw %mm6, %mm1       /* xx xg */
        pmulhw %mm7, %mm2       /* xx xb */

        /* Saturate upper */
        paddusw %mm3, %mm0      /* ff er */
        paddusw %mm3, %mm1      /* ff eg */
        paddusw %mm3, %mm2      /* ff eb */

        psubw %mm3, %mm0        /* 00 0r */
        psubw %mm3, %mm1        /* 00 0g */
        psubw %mm3, %mm2        /* 00 0b */
        
        psllw $10, %mm0         /* r0 00 */
        psllw $5, %mm1          /* 0g g0 */
        por %mm2, %mm0          /* r0 0b */
        por %mm1, %mm0          /* rg gb */

        movq %mm0, (%esi, %ecx, 2)

        addl $4, %ecx
        js 2b
        jmp 4f
3:
        movw (%esi, %ecx, 2), %ax
        movd %eax, %mm0

        movq %mm0, %mm1         /* rg gb */
        movq %mm0, %mm2         /* rg gb */
        psrlw $5, %mm1          /* 0r rg */
        psrlw $10, %mm0         /* 00 0r */
        psllw $11, %mm2         /* b0 00 */
        psllw $11, %mm1         /* g0 00 */
        psllw $8, %mm0          /* 0r 00 */
        psrlw $3, %mm1          /* 0g 00 */
        psrlw $3, %mm2          /* 0b 00 */

        pmulhw %mm5, %mm0       /* xx xr */
        pmulhw %mm6, %mm1       /* xx xg */
        pmulhw %mm7, %mm2       /* xx xb */

        /* Saturate upper */
        paddusw %mm3, %mm0      /* ff er */
        paddusw %mm3, %mm1      /* ff eg */
        paddusw %mm3, %mm2      /* ff eb */

        psubw %mm3, %mm0        /* 00 0r */
        psubw %mm3, %mm1        /* 00 0g */
        psubw %mm3, %mm2        /* 00 0b */
        
        psllw $10, %mm0         /* r0 00 */
        psllw $5, %mm1          /* 0g g0 */
        por %mm2, %mm0          /* r0 0b */
        por %mm1, %mm0          /* rg gb */

        movd %mm0, %eax
        movw %ax, (%esi, %ecx, 2)

        incl %ecx
4:
        cmpl $2, %ecx
        jng 3b

        addl bpl, %esi
        decl %edx
        jnz 1b
5:
        LEAVE


SHADE_XIMAGE_16:
        ENTER

        leal -6(%esi, %ebx, 2), %esi
        negl %ebx
        jz 5f

        /* Setup multipliers */
        movd rm, %mm5
        movd gm, %mm6
        movd bm, %mm7
        punpcklwd %mm5, %mm5    /* 00 00 00 00 rm rm rm rm */
        punpcklwd %mm6, %mm6    /* 00 00 00 00 gm gm gm gm */
        punpcklwd %mm7, %mm7    /* 00 00 00 00 bm bm bm bm */
        punpckldq %mm5, %mm5    /* rm rm rm rm rm rm rm rm */
        punpckldq %mm6, %mm6    /* gm gm gm gm gm gm gm gm */
        punpckldq %mm7, %mm7    /* bm bm bm bm bm bm bm bm */

        cmpl $256, rm
        jg shade_ximage_16_mmx_saturate
        cmpl $256, gm
        jg shade_ximage_16_mmx_saturate
        cmpl $256, bm
        jg shade_ximage_16_mmx_saturate

1:      movl %ebx, %ecx
        addl $3, %ecx
        jns 3f
2:
        movq (%esi, %ecx, 2), %mm0

        movq %mm0, %mm1         /* rg gb */
        movq %mm0, %mm2         /* rg gb */
        psrlw $5, %mm1          /* 0r rg */
        psrlw $11, %mm0         /* 00 0r */
        psllw $11, %mm2         /* b0 00 */
        psllw $10, %mm1         /* g0 00 */
        psllw $8, %mm0          /* 0r 00 */
        psrlw $2, %mm1          /* 0g 00 */
        psrlw $3, %mm2          /* 0b 00 */

        pmulhw %mm5, %mm0       /* 00 0r */
        pmulhw %mm6, %mm1       /* 00 0g */
        pmulhw %mm7, %mm2       /* 00 0b */

        psllw $11, %mm0         /* r0 00 */
        psllw $5, %mm1          /* 0g g0 */
        por %mm2, %mm0          /* r0 0b */
        por %mm1, %mm0          /* rg gb */
        
        movq %mm0, (%esi, %ecx, 2)

        addl $4, %ecx
        js 2b
	jmp 4f
3:
        movw (%esi, %ecx, 2), %ax
        movd %eax, %mm0

        movq %mm0, %mm1         /* rg gb */
        movq %mm0, %mm2         /* rg gb */
        psrlw $5, %mm1          /* 0r rg */
        psrlw $11, %mm0         /* 00 0r */
        psllw $11, %mm2         /* b0 00 */
        psllw $10, %mm1         /* g0 00 */
        psllw $8, %mm0          /* 0r 00 */
        psrlw $2, %mm1          /* 0g 00 */
        psrlw $3, %mm2          /* 0b 00 */

        pmulhw %mm5, %mm0       /* 00 0r */
        pmulhw %mm6, %mm1       /* 00 0g */
        pmulhw %mm7, %mm2       /* 00 0b */

        psllw $11, %mm0         /* r0 00 */
        psllw $5, %mm1          /* 0g g0 */
        por %mm2, %mm0          /* r0 0b */
        por %mm1, %mm0          /* rg gb */

        movd %mm0, %eax
        movw %ax, (%esi, %ecx, 2)

        incl %ecx
4:
        cmpl $2, %ecx
        jng 3b

        addl bpl, %esi
        decl %edx
        jnz 1b
5:
        LEAVE


shade_ximage_16_mmx_saturate:

        pcmpeqw %mm3, %mm3
        movq %mm3, %mm4
        psllw $5, %mm3          /* ff e0 ff e0 ff e0 ff e0 */
        psllw $6, %mm4          /* ff c0 ff c0 ff c0 ff c0 */

1:      movl %ebx, %ecx
        addl $3, %ecx
        jns 3f
2:
        movq (%esi, %ecx, 2), %mm0

        movq %mm0, %mm1         /* rg gb */
        movq %mm0, %mm2         /* rg gb */
        psrlw $5, %mm1          /* 0r rg */
        psrlw $11, %mm0         /* 00 0r */
        psllw $11, %mm2         /* b0 00 */
        psllw $10, %mm1         /* g0 00 */
        psllw $8, %mm0          /* 0r 00 */
        psrlw $2, %mm1          /* 0g 00 */
        psrlw $3, %mm2          /* 0b 00 */

        pmulhw %mm5, %mm0       /* xx xr */
        pmulhw %mm6, %mm1       /* xx xg */
        pmulhw %mm7, %mm2       /* xx xb */

        /* Saturate upper */
        paddusw %mm3, %mm0      /* ff er */
        paddusw %mm4, %mm1      /* ff cg */
        paddusw %mm3, %mm2      /* ff eb */

        psubw %mm4, %mm1        /* 00 0g */
        psubw %mm3, %mm2        /* 00 0b */
        
        psllw $11, %mm0         /* r0 00 */
        psllw $5, %mm1          /* 0g g0 */
        por %mm2, %mm0          /* r0 0b */
        por %mm1, %mm0          /* rg gb */

        movq %mm0, (%esi, %ecx, 2)

        addl $4, %ecx
        js 2b
        jmp 4f
3:
        movw (%esi, %ecx, 2), %ax
        movd %eax, %mm0

        movq %mm0, %mm1         /* rg gb */
        movq %mm0, %mm2         /* rg gb */
        psrlw $5, %mm1          /* 0r rg */
        psrlw $11, %mm0         /* 00 0r */
        psllw $11, %mm2         /* b0 00 */
        psllw $10, %mm1         /* g0 00 */
        psllw $8, %mm0          /* 0r 00 */
        psrlw $2, %mm1          /* 0g 00 */
        psrlw $3, %mm2          /* 0b 00 */

        pmulhw %mm5, %mm0       /* xx xr */
        pmulhw %mm6, %mm1       /* xx xg */
        pmulhw %mm7, %mm2       /* xx xb */

        /* Saturate upper */
        paddusw %mm3, %mm0      /* ff er */
        paddusw %mm4, %mm1      /* ff cg */
        paddusw %mm3, %mm2      /* ff eb */

        psubw %mm4, %mm1        /* 00 0g */
        psubw %mm3, %mm2        /* 00 0b */
        
        psllw $11, %mm0         /* r0 00 */
        psllw $5, %mm1          /* 0g g0 */
        por %mm2, %mm0          /* r0 0b */
        por %mm1, %mm0          /* rg gb */

        movd %mm0, %eax
        movw %ax, (%esi, %ecx, 2)

        incl %ecx
4:
        cmpl $2, %ecx
        jng 3b

        addl bpl, %esi
        decl %edx
        jnz 1b
5:
        LEAVE


SHADE_XIMAGE_32:
        ENTER

        leal (%esi, %ebx, 4), %esi
        negl %ebx
        jz 3f

        movd rm, %mm4
        movd gm, %mm5
        movd bm, %mm6
        psllq $32, %mm4
        psllq $16, %mm5
        por %mm6, %mm4
        por %mm5, %mm4

        pcmpeqw %mm6, %mm6
        psllw $15, %mm6                 /* 80 00 80 00 80 00 80 00 */
        movq %mm6, %mm5
        pmulhw %mm4, %mm5               /* Get correction factor */
1:
        movl %ebx, %ecx
2:
        movd (%esi, %ecx, 4), %mm1      /* 00 rr gg bb */
        pxor %mm0, %mm0
        punpcklbw %mm1, %mm0            /* 00 00 rr 00 gg 00 bb 00 */
        pxor %mm6, %mm0                 /* Flip sign */

        pmulhw %mm4, %mm0               /* 00 00 xx rr xx gg xx bb */
        psubw %mm5, %mm0                /* Correct range */
        packuswb %mm0, %mm0             /* 00 rr gg bb 00 rr gg bb */

        movd %mm0, (%esi, %ecx, 4)

        incl %ecx
        jnz 2b

        addl bpl, %esi
        decl %edx
        jnz 1b
3:
        LEAVE


HAVE_MMX:
	push	%ebx
/* Check if bit 21 in flags word is writeable */
	pushfl	
	popl	%eax
	movl	%eax,%ebx
	xorl	$0x00200000, %eax
	pushl	%eax
	popfl
	pushfl
	popl	%eax

	cmpl	%eax, %ebx
	je	8f

/* OK, we have CPUID */

	movl	$1, %eax
	cpuid
	
	test	$0x00800000, %edx
	jz	8f

	movl	$1, %eax	/* success, have mmx */
	popl	%ebx
	ret

8:
	xorl	%eax,%eax	/* failed, no mmx */
	popl	%ebx
	ret

#if defined(__GNUC__) && !defined(_WIN32)
.section .note.GNU-stack, "", @progbits
.previous
#endif