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| author | Søren Sandmann Pedersen <ssp@redhat.com> | 2012-06-15 14:09:33 -0400 |
|---|---|---|
| committer | Søren Sandmann Pedersen <ssp@redhat.com> | 2012-07-02 17:20:46 -0400 |
| commit | c6c5dd6313625210c9986f053f58c3c2fc768a12 (patch) | |
| tree | 6983a667dc17b04a2c87d321d52918e4fdb8d7fa | |
| parent | f8f6231ecdb99595a07e6c3933dedd7438ef4f1d (diff) | |
canvas_utils: Make sure strides are aligned to multiple of 4
Pixman requires all strides to be aligned to a multiple of 4. With the
upcoming a8 images, this is not guaranteed anymore.
| -rw-r--r-- | common/canvas_utils.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/common/canvas_utils.c b/common/canvas_utils.c index 7b92436..feb89cb 100644 --- a/common/canvas_utils.c +++ b/common/canvas_utils.c @@ -282,6 +282,9 @@ pixman_image_t *alloc_lz_image_surface(LzDecodeUsrData *canvas_data, stride = (gross_pixels / height) * (PIXMAN_FORMAT_BPP (pixman_format) / 8); + /* pixman requires strides to be 4-byte aligned */ + stride = SPICE_ALIGN(stride, 4); + if (!top_down) { stride = -stride; } |