[Mesa-dev] [PATCH v3] broadcom/vc4: Expand width of dst surface

[Zhaowei Yuan]

Four bytes of src_surf will be compressed into a 32-bits data
and stored into dst_surf, and dst_surf is read as z-order,so
its width must be aligned to multiples of 8(4x2) before divided
by 2.

Signed-off-by: Zhaowei Yuan <zhaowei.yuan at samsung.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=111266
---
 src/gallium/drivers/vc4/vc4_blit.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gallium/drivers/vc4/vc4_blit.c b/src/gallium/drivers/vc4/vc4_blit.c
index d3cc515..d379bcc 100644
--- a/src/gallium/drivers/vc4/vc4_blit.c
+++ b/src/gallium/drivers/vc4/vc4_blit.c
@@ -360,7 +360,7 @@ vc4_yuv_blit(struct pipe_context *pctx, const struct pipe_blit_info *info)
                 util_blitter_unset_running_flag(vc4->blitter);
                 return false;
         }
-        dst_surf->width /= 2;
+        dst_surf->width = align(dst_surf->width, 8) / 2;
         if (dst->cpp == 1)
                 dst_surf->height /= 2;
 
-- 
2.7.4