From: Søren Sandmann Pedersen <s...@redhat.com>
Pixman requires all strides to be aligned to a multiple of 4. With the
upcoming a8 images, this is not guaranteed anymore.
---
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;
}
--
1.7.4
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