cell: minor texture improvements

Precompute tiles_per_row.  Use ushort multiplies in a few places.  New comments.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/gallium/drivers/cell/spu/spu_main.c b/src/gallium/drivers/cell/spu/spu_main.c
index 1ab1c40379..e04ffeb9b1 100644
--- a/src/gallium/drivers/cell/spu/spu_main.c
+++ b/src/gallium/drivers/cell/spu/spu_main.c
@@ -343,6 +343,8 @@ cmd_state_texture(const struct cell_command_texture *texture)
    spu.texture[unit].width = width;
    spu.texture[unit].height = height;
 
+   spu.texture[unit].tiles_per_row = width / TILE_SIZE;
+
    spu.texture[unit].tex_size = (vector float) { width, height, 0.0, 0.0};
    spu.texture[unit].tex_size_mask = (vector unsigned int)
          { width - 1, height - 1, 0, 0 };