drisw: make stride issue profound

2 files changed, 8 insertions, 8 deletions

diff --git a/src/gallium/state_trackers/dri/sw/drisw.c b/src/gallium/state_trackers/dri/sw/drisw.c
index 745941d550..a75fdf1789 100644
--- a/src/gallium/state_trackers/dri/sw/drisw.c
+++ b/src/gallium/state_trackers/dri/sw/drisw.c
@@ -38,16 +38,16 @@
  *
  * drisw_api:
  *
- * Define drisw_api similarly to dri_api and use it to call the loader. This is
- * predicated on support for calling the loader from the winsys, which has to
- * grow for DRI2 as well.
+ * Define drisw_api similarly to dri1_api and use it to call the loader. This
+ * is predicated on support for calling the loader from the winsys, which has
+ * to grow for DRI2 as well.
  *
- * xshm:
+ * xshm / texture_from_pixmap / EGLImage:
  *
  * Allow the loaders to use the XSHM extension. It probably requires callbacks
  * for createImage/destroyImage similar to DRI2 getBuffers. Probably not worth
  * it, given the scope of DRISW, unless it falls naturally from properly
- * solving the above two issues.
+ * solving the other issues.
  */
 
 #include "util/u_memory.h"
diff --git a/src/gallium/winsys/sw/dri/dri_sw_winsys.c b/src/gallium/winsys/sw/dri/dri_sw_winsys.c
index 5549e152ee..9e8c31282d 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;