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winex11: Add C alternatives to the assembly bits in X11DRV_DIB_SetImageBits_8().

This commit is contained in:
Francois Gouget 2007-11-09 12:45:58 +01:00 committed by Alexandre Julliard
parent 81a5701ca9
commit f288ed99b0
1 changed files with 21 additions and 7 deletions
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28
dlls/winex11.drv/dib.c
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@ -1427,15 +1427,14 @@ static void X11DRV_DIB_SetImageBits_8( int lines, const BYTE *srcbits,
switch (bmpImage->depth) {
case 15:
case 16:
#if defined(__i386__) && defined(__GNUC__)
/* Some X servers might have 32 bit/ 16bit deep pixel */
if (lines && width && (bmpImage->bits_per_pixel == 16) &&
(ImageByteOrder(gdi_display)==LSBFirst) )
{
dstbits=(BYTE*)bmpImage->data+left*2+(lines-1)*bmpImage->bytes_per_line;
/* FIXME: Does this really handle all these cases correctly? */
/* ==== pal 8 dib -> rgb or bgr 555 or 565 bmp ==== */
dstbits=(BYTE*)bmpImage->data+left*2+(lines-1)*bmpImage->bytes_per_line;
for (h = lines ; h--; ) {
#if defined(__i386__) && defined(__GNUC__)
int _cl1,_cl2; /* temp outputs for asm below */
/* Borrowed from DirectDraw */
__asm__ __volatile__(
@ -1454,23 +1453,33 @@ static void X11DRV_DIB_SetImageBits_8( int lines, const BYTE *srcbits,
"d" (colors)
:"eax", "cc", "memory"
);
#else
DWORD* dstpixel=(DWORD*)dstbits;
for (x=0; x<width/2; x++) {
/* Do 2 pixels at a time */
*dstpixel++=(colors[srcbyte[1]] << 16) | colors[srcbyte[0]];
srcbyte+=2;
}
if (width&1) {
/* And then the odd pixel */
*((WORD*)dstpixel)=colors[srcbyte[0]];
}
#endif
srcbyte = (srcbits += linebytes);
dstbits -= bmpImage->bytes_per_line;
}
return;
}
break;
#endif
case 24:
case 32:
#if defined(__i386__) && defined(__GNUC__)
if (lines && width && (bmpImage->bits_per_pixel == 32) &&
(ImageByteOrder(gdi_display)==LSBFirst) )
{
dstbits=(BYTE*)bmpImage->data+left*4+(lines-1)*bmpImage->bytes_per_line;
/* FIXME: Does this really handle both cases correctly? */
/* ==== pal 8 dib -> rgb or bgr 0888 bmp ==== */
for (h = lines ; h--; ) {
#if defined(__i386__) && defined(__GNUC__)
int _cl1,_cl2; /* temp outputs for asm below */
/* Borrowed from DirectDraw */
__asm__ __volatile__(
@ -1489,13 +1498,18 @@ static void X11DRV_DIB_SetImageBits_8( int lines, const BYTE *srcbits,
"d" (colors)
:"eax", "cc", "memory"
);
#else
DWORD* dstpixel=(DWORD*)dstbits;
for (x=0; x<width; x++) {
*dstpixel++=colors[*srcbyte++];
}
#endif
srcbyte = (srcbits += linebytes);
dstbits -= bmpImage->bytes_per_line;
}
return;
}
break;
#endif
default:
break; /* use slow generic case below */
}