diff options
Diffstat (limited to 'src/video/sdlgenblit.pl')
| -rwxr-xr-x | src/video/sdlgenblit.pl | 21 |
1 files changed, 6 insertions, 15 deletions
diff --git a/src/video/sdlgenblit.pl b/src/video/sdlgenblit.pl index e26730249..63d6dc9b4 100755 --- a/src/video/sdlgenblit.pl +++ b/src/video/sdlgenblit.pl @@ -452,13 +452,12 @@ __EOF__ if ( $scale ) { print FILE <<__EOF__; int srcy, srcx; - int posy, posx; + Uint32 posy, posx; int incy, incx; __EOF__ print FILE <<__EOF__; - srcy = 0; posy = 0; incy = (info->src_h << 16) / info->dst_h; incx = (info->src_w << 16) / info->dst_w; @@ -467,22 +466,14 @@ __EOF__ $format_type{$src} *src = 0; $format_type{$dst} *dst = ($format_type{$dst} *)info->dst; int n = info->dst_w; - srcx = -1; - posx = 0x10000L; - while (posy >= 0x10000L) { - ++srcy; - posy -= 0x10000L; - } + posx = 0; + + srcy = posy >> 16; while (n--) { - if (posx >= 0x10000L) { - while (posx >= 0x10000L) { - ++srcx; - posx -= 0x10000L; - } - src = ($format_type{$src} *)(info->src + (srcy * info->src_pitch) + (srcx * $format_size{$src})); + srcx = posx >> 16; + src = ($format_type{$src} *)(info->src + (srcy * info->src_pitch) + (srcx * $format_size{$src})); __EOF__ print FILE <<__EOF__; - } __EOF__ output_copycore($src, $dst, $modulate, $blend, $is_modulateA_done, $A_is_const_FF); print FILE <<__EOF__; |