qemu/ui/spice-display.h
Gerd Hoffmann a7310dd34d spice: add screen mirror
Create a screen mirror, keep there a copy of the most recent update
passed on to spice-server.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2012-09-12 08:09:47 +02:00

141 lines
4.3 KiB
C

/*
* Copyright (C) 2010 Red Hat, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 or
* (at your option) version 3 of the License.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include <spice/ipc_ring.h>
#include <spice/enums.h>
#include <spice/qxl_dev.h>
#include "qemu-thread.h"
#include "console.h"
#include "pflib.h"
#include "sysemu.h"
#define NUM_MEMSLOTS 8
#define MEMSLOT_GENERATION_BITS 8
#define MEMSLOT_SLOT_BITS 8
#define MEMSLOT_GROUP_HOST 0
#define MEMSLOT_GROUP_GUEST 1
#define NUM_MEMSLOTS_GROUPS 2
/*
* Internal enum to differenciate between options for
* io calls that have a sync (old) version and an _async (new)
* version:
* QXL_SYNC: use the old version
* QXL_ASYNC: use the new version and make sure there are no two
* happening at the same time. This is used for guest initiated
* calls
*/
typedef enum qxl_async_io {
QXL_SYNC,
QXL_ASYNC,
} qxl_async_io;
enum {
QXL_COOKIE_TYPE_IO,
QXL_COOKIE_TYPE_RENDER_UPDATE_AREA,
QXL_COOKIE_TYPE_POST_LOAD_MONITORS_CONFIG,
};
typedef struct QXLCookie {
int type;
uint64_t io;
union {
uint32_t surface_id;
QXLRect area;
struct {
QXLRect area;
int redraw;
} render;
} u;
} QXLCookie;
QXLCookie *qxl_cookie_new(int type, uint64_t io);
typedef struct SimpleSpiceDisplay SimpleSpiceDisplay;
typedef struct SimpleSpiceUpdate SimpleSpiceUpdate;
struct SimpleSpiceDisplay {
DisplayState *ds;
uint8_t *ds_mirror;
void *buf;
int bufsize;
QXLWorker *worker;
QXLInstance qxl;
uint32_t unique;
QemuPfConv *conv;
int32_t num_surfaces;
QXLRect dirty;
int notify;
#if SPICE_SERVER_VERSION < 0x000b02 /* before 0.11.2 */
int running;
#endif
/*
* All struct members below this comment can be accessed from
* both spice server and qemu (iothread) context and any access
* to them must be protected by the lock.
*/
QemuMutex lock;
QTAILQ_HEAD(, SimpleSpiceUpdate) updates;
QEMUCursor *cursor;
int mouse_x, mouse_y;
};
struct SimpleSpiceUpdate {
QXLDrawable drawable;
QXLImage image;
QXLCommandExt ext;
uint8_t *bitmap;
QTAILQ_ENTRY(SimpleSpiceUpdate) next;
};
int qemu_spice_rect_is_empty(const QXLRect* r);
void qemu_spice_rect_union(QXLRect *dest, const QXLRect *r);
void qemu_spice_destroy_update(SimpleSpiceDisplay *sdpy, SimpleSpiceUpdate *update);
void qemu_spice_create_host_memslot(SimpleSpiceDisplay *ssd);
void qemu_spice_create_host_primary(SimpleSpiceDisplay *ssd);
void qemu_spice_destroy_host_primary(SimpleSpiceDisplay *ssd);
void qemu_spice_vm_change_state_handler(void *opaque, int running,
RunState state);
void qemu_spice_display_init_common(SimpleSpiceDisplay *ssd, DisplayState *ds);
void qemu_spice_display_update(SimpleSpiceDisplay *ssd,
int x, int y, int w, int h);
void qemu_spice_display_resize(SimpleSpiceDisplay *ssd);
void qemu_spice_display_refresh(SimpleSpiceDisplay *ssd);
void qemu_spice_cursor_refresh_unlocked(SimpleSpiceDisplay *ssd);
void qemu_spice_add_memslot(SimpleSpiceDisplay *ssd, QXLDevMemSlot *memslot,
qxl_async_io async);
void qemu_spice_del_memslot(SimpleSpiceDisplay *ssd, uint32_t gid,
uint32_t sid);
void qemu_spice_create_primary_surface(SimpleSpiceDisplay *ssd, uint32_t id,
QXLDevSurfaceCreate *surface,
qxl_async_io async);
void qemu_spice_destroy_primary_surface(SimpleSpiceDisplay *ssd,
uint32_t id, qxl_async_io async);
void qemu_spice_wakeup(SimpleSpiceDisplay *ssd);
#if SPICE_SERVER_VERSION >= 0x000b02 /* before 0.11.2 */
void qemu_spice_display_start(void);
void qemu_spice_display_stop(void);
#endif
int qemu_spice_display_is_running(SimpleSpiceDisplay *ssd);