Matteo Bruni : wined3d: Align CS packet size to the header size.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 9c190f8118faa2f4708e86340e3e0440f668835b
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=9c190f8118faa2f4708e86340...

Author: Matteo Bruni <mbruni(a)codeweavers.com>
Date:   Tue Mar 24 17:35:24 2020 +0100

wined3d: Align CS packet size to the header size.

Signed-off-by: Matteo Bruni <mbruni(a)codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet(a)codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>

---

 dlls/wined3d/cs.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/dlls/wined3d/cs.c b/dlls/wined3d/cs.c
index dbdf5f2ec2..0ab6dd5b18 100644
--- a/dlls/wined3d/cs.c
+++ b/dlls/wined3d/cs.c
@@ -2651,8 +2651,9 @@ static void *wined3d_cs_queue_require_space(struct wined3d_cs_queue *queue, size
     struct wined3d_cs_packet *packet;
 
     header_size = FIELD_OFFSET(struct wined3d_cs_packet, data[0]);
-    size = (size + header_size - 1) & ~(header_size - 1);
     packet_size = FIELD_OFFSET(struct wined3d_cs_packet, data[size]);
+    packet_size = (packet_size + header_size - 1) & ~(header_size - 1);
+    size = packet_size - header_size;
     if (packet_size >= WINED3D_CS_QUEUE_SIZE)
     {
         ERR("Packet size %lu >= queue size %u.\n",