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authorGeorge Sapountzis <gsapountzis@gmail.com>2010-03-27 20:32:52 +0200
committerGeorge Sapountzis <gsapountzis@gmail.com>2010-03-27 20:56:36 +0200
commitf4e561ce127cf484d7c76c29b8cd026c9ad5cebc (patch)
tree38b94af9ee5a6242acdcfcd9d7584a97ad97ad8d /src/gallium/winsys
parent02ee7c29502966dffa44243bfc8c20c15907b880 (diff)
drisw: make stride issue profound
Diffstat (limited to 'src/gallium/winsys')
-rw-r--r--src/gallium/winsys/sw/dri/dri_sw_winsys.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/gallium/winsys/sw/dri/dri_sw_winsys.c b/src/gallium/winsys/sw/dri/dri_sw_winsys.c
index 5549e152ee8..9e8c31282d4 100644
--- a/src/gallium/winsys/sw/dri/dri_sw_winsys.c
+++ b/src/gallium/winsys/sw/dri/dri_sw_winsys.c
@@ -63,11 +63,11 @@ xm_is_displaytarget_format_supported( struct sw_winsys *ws,
}
static INLINE int
-bytes_per_line(unsigned stride, unsigned mul)
+bytes_per_line(unsigned pitch_bits, unsigned mul)
{
unsigned mask = mul - 1;
- return ((stride * 8 + mask) & ~mask) / 8;
+ return ((pitch_bits + mask) & ~mask) / 8;
}
/* pipe_screen::texture_create DISPLAY_TARGET / SCANOUT / SHARED */
@@ -88,7 +88,7 @@ xm_displaytarget_create(struct sw_winsys *winsys,
format_stride = util_format_get_stride(format, width);
xm_stride = align(format_stride, alignment);
- loader_stride = bytes_per_line(format_stride, 32);
+ loader_stride = bytes_per_line(format_stride * 8, 32);
nblocksy = util_format_get_nblocksy(format, height);
size = xm_stride * nblocksy;