diff options
Diffstat (limited to 'src/mesa/pipe/xlib/xm_winsys.c')
| -rw-r--r-- | src/mesa/pipe/xlib/xm_winsys.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/mesa/pipe/xlib/xm_winsys.c b/src/mesa/pipe/xlib/xm_winsys.c index c372545cf8c..b090d8927c4 100644 --- a/src/mesa/pipe/xlib/xm_winsys.c +++ b/src/mesa/pipe/xlib/xm_winsys.c @@ -211,6 +211,7 @@ xm_buffer_data(struct pipe_winsys *pws, struct pipe_buffer_handle *buf, if (xm_buf->size != size) { if (xm_buf->data) align_free(xm_buf->data); + /* align to 16-byte multiple for Cell */ xm_buf->data = align_malloc(size, 16); xm_buf->size = size; } @@ -254,6 +255,7 @@ xmesa_display_surface_tiled(XMesaBuffer b, const struct pipe_surface *surf) XImage *ximage = b->tempImage; struct xm_buffer *xm_buf = xm_bo(surf->buffer); const int TILE_SIZE = 32; + const uint tilesPerRow = (surf->width + TILE_SIZE - 1) / TILE_SIZE; uint x, y; /* check that the XImage has been previously initialized */ @@ -271,7 +273,7 @@ xmesa_display_surface_tiled(XMesaBuffer b, const struct pipe_surface *surf) int dy = y; int tx = x / TILE_SIZE; int ty = y / TILE_SIZE; - int offset = ty * (surf->width / TILE_SIZE) + tx; + int offset = ty * tilesPerRow + tx; offset *= 4 * TILE_SIZE * TILE_SIZE; ximage->data = (char *) xm_buf->data + offset; |