mfplat: Align buffers at no less than 16 bytes boundaries.

This is what seems to be happening on Windows 10. On the other hand, I am not seeing on native the current behavior of interpreting a zero alignment parameter as a request to align to 64 bytes boundaries. Signed-off-by: Giovanni Mascellani <gmascellani@codeweavers.com> Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

mfplat: Align buffers at no less than 16 bytes boundaries.
20c4896b · Giovanni Mascellani · Alexandre Julliard · 44c9ea50 · 20c4896b
Commit 20c4896b authored Mar 15, 2022 by Giovanni Mascellani Committed by Alexandre Julliard Mar 17, 2022
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buffer.c dlls/mfplat/buffer.c +2 -1

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--- a/dlls/mfplat/buffer.c
+++ b/dlls/mfplat/buffer.c
@@ -1264,7 +1264,8 @@ static HRESULT memory_buffer_init(struct buffer *buffer, DWORD max_length, DWORD
 {
    size_t size;

-    if (!alignment) alignment = MF_64_BYTE_ALIGNMENT;
+    if (alignment < MF_16_BYTE_ALIGNMENT)
+        alignment = MF_16_BYTE_ALIGNMENT;
    alignment++;

    if (alignment & (alignment - 1))