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shadow: fix bitmap update fragmentation

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This commit is contained in:
Marc-André Moreau 2014-10-25 15:36:36 -04:00
parent 2de73e0243
commit d85a2bf3e6
1 changed files with 43 additions and 3 deletions
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46
server/shadow/shadow_client.c
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@ -162,6 +162,9 @@ BOOL shadow_client_post_connect(freerdp_peer* peer)
if (settings->ColorDepth == 24)
settings->ColorDepth = 16; /* disable 24bpp */
if (settings->MultifragMaxRequestSize < 0x3F0000)
settings->NSCodec = FALSE; /* NSCodec compressor does not support fragmentation yet */
WLog_ERR(TAG, "Client from %s is activated (%dx%d@%d)",
peer->hostname, settings->DesktopWidth, settings->DesktopHeight, settings->ColorDepth);
@ -595,10 +598,47 @@ int shadow_client_send_bitmap_update(rdpShadowClient* client, rdpShadowSurface*
if (updateSizeEstimate > maxUpdateSize)
{
fprintf(stderr, "update size estimate larger than maximum update size\n");
}
UINT32 i, j;
UINT32 updateSize;
UINT32 newUpdateSize;
BITMAP_DATA* fragBitmapData;
IFCALL(update->BitmapUpdate, context, &bitmapUpdate);
fragBitmapData = (BITMAP_DATA*) malloc(sizeof(BITMAP_DATA) * k);
bitmapUpdate.rectangles = fragBitmapData;
i = j = 0;
updateSize = 1024;
while (i < k)
{
newUpdateSize = updateSize + (bitmapData[i].bitmapLength + 16);
if ((newUpdateSize < maxUpdateSize) && ((i + 1) < k))
{
CopyMemory(&fragBitmapData[j++], &bitmapData[i++], sizeof(BITMAP_DATA));
updateSize = newUpdateSize;
}
else
{
if ((i + 1) >= k)
{
CopyMemory(&fragBitmapData[j++], &bitmapData[i++], sizeof(BITMAP_DATA));
updateSize = newUpdateSize;
}
bitmapUpdate.count = bitmapUpdate.number = j;
IFCALL(update->BitmapUpdate, context, &bitmapUpdate);
updateSize = 1024;
j = 0;
}
}
free(fragBitmapData);
}
else
{
IFCALL(update->BitmapUpdate, context, &bitmapUpdate);
}
free(bitmapData);