nouveau: do not forget to half dimension.

diff --git a/src/gallium/drivers/nv04/nv04_surface_2d.c b/src/gallium/drivers/nv04/nv04_surface_2d.c
index 538f823..63f2125 100644 (file)
--- a/src/gallium/drivers/nv04/nv04_surface_2d.c
+++ b/src/gallium/drivers/nv04/nv04_surface_2d.c
@@ -106,7 +106,7 @@ nv04_surface_copy_swizzle(struct nv04_surface_2d *ctx,
        const unsigned max_h = 1024;
        const unsigned sub_w = w > max_w ? max_w : w;
        const unsigned sub_h = h > max_h ? max_h : h;
-       unsigned cx, cy;
+       unsigned cx, cy, level_w, level_h;
        int i, src_offset = src->offset, dst_offset = dst->offset;
 
        /* POT or GTFO */
@@ -128,9 +128,13 @@ nv04_surface_copy_swizzle(struct nv04_surface_2d *ctx,
        OUT_RING  (chan, swzsurf->handle);
 
        /* FIXME: Find right src and dst offset, given mipmap level */
+       level_w = w;
+       level_h = h;
        for (i=0; i<src->level; i++) {
-               src_offset += w * h * src->block.size;
-               dst_offset += w * h * dst->block.size;
+               src_offset += level_w * level_h * src->block.size;
+               dst_offset += level_w * level_h * dst->block.size;
+               level_w >>= 1;
+               level_h >>= 1;
        }
 
        for (cy = 0; cy < h; cy += sub_h) {