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libfreerdp-core: start implement server-side bitmap cache v2

This commit is contained in:
Marc-André Moreau 2013-05-06 23:21:12 -04:00
parent 95c5ea86b0
commit e048147bde
3 changed files with 167 additions and 0 deletions
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139
libfreerdp/core/orders.c
View File

@ -135,6 +135,15 @@ static const BYTE CBR2_BPP[] =
0, 0, 0, 8, 16, 24, 32
};
static const BYTE BPP_CBR2[] =
{
0, 0, 0, 0, 0, 0, 0, 0,
3, 0, 0, 0, 0, 0, 0, 0,
4, 0, 0, 0, 0, 0, 0, 0,
5, 0, 0, 0, 0, 0, 0, 0,
6, 0, 0, 0, 0, 0, 0, 0
};
static const BYTE CBR23_BPP[] =
{
0, 0, 0, 8, 16, 24, 32
@ -248,6 +257,29 @@ static INLINE BOOL update_read_2byte_unsigned(wStream* s, UINT32* value)
{
*value = (byte & 0x7F);
}
return TRUE;
}
static INLINE BOOL update_write_2byte_unsigned(wStream* s, UINT32 value)
{
BYTE byte;
if (value > 0x7FFF)
return FALSE;
if (value >= 0x7F)
{
byte = ((value & 0x7F00) >> 8);
stream_write_BYTE(s, byte);
byte = (value & 0xFF);
stream_write_BYTE(s, byte);
}
else
{
stream_write_BYTE(s, value);
}
return TRUE;
}
@ -324,6 +356,50 @@ static INLINE BOOL update_read_4byte_unsigned(wStream* s, UINT32* value)
default:
break;
}
return TRUE;
}
static INLINE BOOL update_write_4byte_unsigned(wStream* s, UINT32 value)
{
BYTE byte;
if (value <= 0x3F)
{
stream_write_BYTE(s, value);
}
else if (value <= 0x3FFF)
{
byte = (value >> 8) & 0x3F;
stream_write_BYTE(s, byte);
byte = (value & 0xFF);
stream_write_BYTE(s, byte);
}
else if (value <= 0x3FFFFF)
{
byte = (value >> 16) & 0x3F;
stream_write_BYTE(s, byte);
byte = (value >> 8) & 0xFF;
stream_write_BYTE(s, byte);
byte = (value & 0xFF);
stream_write_BYTE(s, byte);
}
else if (value <= 0x3FFFFF)
{
byte = (value >> 24) & 0x3F;
stream_write_BYTE(s, byte);
byte = (value >> 16) & 0xFF;
stream_write_BYTE(s, byte);
byte = (value >> 8) & 0xFF;
stream_write_BYTE(s, byte);
byte = (value & 0xFF);
stream_write_BYTE(s, byte);
}
else
{
return FALSE;
}
return TRUE;
}
@ -1200,6 +1276,7 @@ BOOL update_read_cache_bitmap_v2_order(wStream* s, CACHE_BITMAP_V2_ORDER* cache_
{
if (Stream_GetRemainingLength(s) < 8)
return FALSE;
stream_read_UINT32(s, cache_bitmap_v2_order->key1); /* key1 (4 bytes) */
stream_read_UINT32(s, cache_bitmap_v2_order->key2); /* key2 (4 bytes) */
}
@ -1208,6 +1285,7 @@ BOOL update_read_cache_bitmap_v2_order(wStream* s, CACHE_BITMAP_V2_ORDER* cache_
{
if (!update_read_2byte_unsigned(s, &cache_bitmap_v2_order->bitmapWidth)) /* bitmapWidth */
return FALSE;
cache_bitmap_v2_order->bitmapHeight = cache_bitmap_v2_order->bitmapWidth;
}
else
@ -1240,6 +1318,7 @@ BOOL update_read_cache_bitmap_v2_order(wStream* s, CACHE_BITMAP_V2_ORDER* cache_
if (Stream_GetRemainingLength(s) < cache_bitmap_v2_order->bitmapLength)
return FALSE;
stream_get_mark(s, cache_bitmap_v2_order->bitmapDataStream);
Stream_Seek(s, cache_bitmap_v2_order->bitmapLength);
}
@ -1247,10 +1326,70 @@ BOOL update_read_cache_bitmap_v2_order(wStream* s, CACHE_BITMAP_V2_ORDER* cache_
{
if (Stream_GetRemainingLength(s) < cache_bitmap_v2_order->bitmapLength)
return FALSE;
stream_get_mark(s, cache_bitmap_v2_order->bitmapDataStream);
Stream_Seek(s, cache_bitmap_v2_order->bitmapLength);
}
cache_bitmap_v2_order->compressed = compressed;
return TRUE;
}
BOOL update_write_cache_bitmap_v2_order(wStream* s, CACHE_BITMAP_V2_ORDER* cache_bitmap_v2, BOOL compressed, UINT16* flags)
{
BYTE bitsPerPixelId;
bitsPerPixelId = BPP_CBR2[cache_bitmap_v2->bitmapBpp];
*flags = (cache_bitmap_v2->cacheId & 0x0003) |
(bitsPerPixelId << 3) | ((cache_bitmap_v2->flags << 7) & 0xFF80);
if (cache_bitmap_v2->flags & CBR2_PERSISTENT_KEY_PRESENT)
{
stream_write_UINT32(s, cache_bitmap_v2->key1); /* key1 (4 bytes) */
stream_write_UINT32(s, cache_bitmap_v2->key2); /* key2 (4 bytes) */
}
if (cache_bitmap_v2->flags & CBR2_HEIGHT_SAME_AS_WIDTH)
{
if (!update_write_2byte_unsigned(s, cache_bitmap_v2->bitmapWidth)) /* bitmapWidth */
return FALSE;
}
else
{
if (!update_write_2byte_unsigned(s, cache_bitmap_v2->bitmapWidth) || /* bitmapWidth */
!update_write_2byte_unsigned(s, cache_bitmap_v2->bitmapHeight)) /* bitmapHeight */
return FALSE;
}
if (!update_write_4byte_unsigned(s, cache_bitmap_v2->bitmapLength) || /* bitmapLength */
!update_write_2byte_unsigned(s, cache_bitmap_v2->cacheIndex)) /* cacheIndex */
return FALSE;
if (cache_bitmap_v2->flags & CBR2_DO_NOT_CACHE)
cache_bitmap_v2->cacheIndex = BITMAP_CACHE_WAITING_LIST_INDEX;
if (compressed)
{
if (!(cache_bitmap_v2->flags & CBR2_NO_BITMAP_COMPRESSION_HDR))
{
stream_write_UINT16(s, cache_bitmap_v2->cbCompFirstRowSize); /* cbCompFirstRowSize (2 bytes) */
stream_write_UINT16(s, cache_bitmap_v2->cbCompMainBodySize); /* cbCompMainBodySize (2 bytes) */
stream_write_UINT16(s, cache_bitmap_v2->cbScanWidth); /* cbScanWidth (2 bytes) */
stream_write_UINT16(s, cache_bitmap_v2->cbUncompressedSize); /* cbUncompressedSize (2 bytes) */
cache_bitmap_v2->bitmapLength = cache_bitmap_v2->cbCompMainBodySize;
}
Stream_Write(s, cache_bitmap_v2->bitmapDataStream, cache_bitmap_v2->bitmapLength);
}
else
{
Stream_Write(s, cache_bitmap_v2->bitmapDataStream, cache_bitmap_v2->bitmapLength);
}
cache_bitmap_v2->compressed = compressed;
return TRUE;
}

1
libfreerdp/core/orders.h
View File

@ -214,6 +214,7 @@ BOOL update_read_ellipse_cb_order(wStream* s, ORDER_INFO* orderInfo, ELLIPSE_CB_
BOOL update_read_cache_bitmap_order(wStream* s, CACHE_BITMAP_ORDER* cache_bitmap_order, BOOL compressed, UINT16 flags);
BOOL update_read_cache_bitmap_v2_order(wStream* s, CACHE_BITMAP_V2_ORDER* cache_bitmap_v2_order, BOOL compressed, UINT16 flags);
BOOL update_write_cache_bitmap_v2_order(wStream* s, CACHE_BITMAP_V2_ORDER* cache_bitmap_v2_order, BOOL compressed, UINT16* flags);
BOOL update_read_cache_bitmap_v3_order(wStream* s, CACHE_BITMAP_V3_ORDER* cache_bitmap_v3_order, BOOL compressed, UINT16 flags);
BOOL update_read_cache_color_table_order(wStream* s, CACHE_COLOR_TABLE_ORDER* cache_color_table_order, UINT16 flags);
BOOL update_read_cache_glyph_order(wStream* s, CACHE_GLYPH_ORDER* cache_glyph_order, UINT16 flags);

27
libfreerdp/core/update.c
View File

@ -619,6 +619,32 @@ static void update_send_opaque_rect(rdpContext* context, OPAQUE_RECT_ORDER* opaq
fastpath_send_update_pdu(rdp->fastpath, FASTPATH_UPDATETYPE_ORDERS, s);
}
static void update_send_cache_bitmap_v2(rdpContext* context, CACHE_BITMAP_V2_ORDER* cache_bitmap_v2)
{
wStream* s;
UINT16 flags;
BYTE *bm, *em;
rdpRdp* rdp = context->rdp;
flags = 0;
s = fastpath_update_pdu_init(rdp->fastpath);
bm = Stream_Pointer(s);
Stream_Seek(s, 8);
update_write_cache_bitmap_v2_order(s, cache_bitmap_v2, FALSE, &flags);
em = Stream_Pointer(s);
Stream_Pointer(s) = bm;
stream_write_UINT16(s, 1); /* numberOrders (2 bytes) */
stream_write_BYTE(s, ORDER_STANDARD | ORDER_SECONDARY | ORDER_TYPE_CHANGE); /* controlFlags (1 byte) */
stream_write_UINT16(s, 0); /* orderLength (2 bytes) */
stream_write_UINT16(s, 0); /* extraFlags (2 bytes) */
stream_write_BYTE(s, ORDER_TYPE_BITMAP_UNCOMPRESSED_V2); /* orderType (1 byte) */
Stream_Pointer(s) = em;
fastpath_send_update_pdu(rdp->fastpath, FASTPATH_UPDATETYPE_ORDERS, s);
}
static void update_send_pointer_system(rdpContext* context, POINTER_SYSTEM_UPDATE* pointer_system)
{
wStream* s;
@ -749,6 +775,7 @@ void update_register_server_callbacks(rdpUpdate* update)
update->SurfaceCommand = update_send_surface_command;
update->primary->ScrBlt = update_send_scrblt;
update->primary->OpaqueRect = update_send_opaque_rect;
update->secondary->CacheBitmapV2 = update_send_cache_bitmap_v2;
update->pointer->PointerSystem = update_send_pointer_system;
update->pointer->PointerColor = update_send_pointer_color;
update->pointer->PointerNew = update_send_pointer_new;