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/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
Copyright (C) 2009 Red Hat, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef CURSOR_CHANNEL_H_
# define CURSOR_CHANNEL_H_
#include "spice.h"
#include "reds.h"
#include "red_worker.h"
#include "red_parse_qxl.h"
#include "cache-item.h"
#include "stat.h"
#define CLIENT_CURSOR_CACHE_SIZE 256
#define CURSOR_CACHE_HASH_SHIFT 8
#define CURSOR_CACHE_HASH_SIZE (1 << CURSOR_CACHE_HASH_SHIFT)
#define CURSOR_CACHE_HASH_MASK (CURSOR_CACHE_HASH_SIZE - 1)
#define CURSOR_CACHE_HASH_KEY(id) ((id) & CURSOR_CACHE_HASH_MASK)
enum {
PIPE_ITEM_TYPE_CURSOR = PIPE_ITEM_TYPE_COMMON_LAST,
PIPE_ITEM_TYPE_CURSOR_INIT,
PIPE_ITEM_TYPE_INVAL_CURSOR_CACHE,
};
typedef struct CursorChannel CursorChannel;
typedef struct CursorItem {
uint32_t group_id;
int refs;
RedCursorCmd *red_cursor;
} CursorItem;
typedef struct CursorPipeItem {
PipeItem base;
CursorItem *cursor_item;
int refs;
} CursorPipeItem;
typedef struct LocalCursor {
CursorItem base;
SpicePoint16 position;
uint32_t data_size;
SpiceCursor red_cursor;
} LocalCursor;
typedef struct CursorChannelClient {
CommonChannelClient common;
CacheItem *cursor_cache[CURSOR_CACHE_HASH_SIZE];
Ring cursor_cache_lru;
long cursor_cache_available;
uint32_t cursor_cache_items;
} CursorChannelClient;
G_STATIC_ASSERT(sizeof(CursorItem) <= QXL_CURSUR_DEVICE_DATA_SIZE);
CursorChannel* cursor_channel_new (RedWorker *worker);
void cursor_channel_disconnect (CursorChannel *cursor_channel);
void cursor_channel_reset (CursorChannel *cursor);
void cursor_channel_process_cmd (CursorChannel *cursor, RedCursorCmd *cursor_cmd,
uint32_t group_id);
void cursor_channel_set_mouse_mode(CursorChannel *cursor, uint32_t mode);
CursorItem* cursor_item_new (RedCursorCmd *cmd, uint32_t group_id);
void cursor_item_unref (QXLInstance *qxl, CursorItem *cursor);
CursorChannelClient* cursor_channel_client_new(CursorChannel *cursor,
RedClient *client, RedsStream *stream,
int mig_target,
uint32_t *common_caps, int num_common_caps,
uint32_t *caps, int num_caps);
#endif /* CURSOR_CHANNEL_H_ */
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