LXR qemu/include/ui/spice-display.h

   1/*
   2 * Copyright (C) 2010 Red Hat, Inc.
   3 *
   4 * This program is free software; you can redistribute it and/or
   5 * modify it under the terms of the GNU General Public License as
   6 * published by the Free Software Foundation; either version 2 or
   7 * (at your option) version 3 of the License.
   8 *
   9 * This program is distributed in the hope that it will be useful,
  10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 * GNU General Public License for more details.
  13 *
  14 * You should have received a copy of the GNU General Public License
  15 * along with this program; if not, see <http://www.gnu.org/licenses/>.
  16 */
  17
  18#include <spice/ipc_ring.h>
  19#include <spice/enums.h>
  20#include <spice/qxl_dev.h>
  21
  22#include "qemu/thread.h"
  23#include "ui/qemu-pixman.h"
  24#include "ui/console.h"
  25#include "sysemu/sysemu.h"
  26
  27#if defined(CONFIG_OPENGL_DMABUF)
  28# if SPICE_SERVER_VERSION >= 0x000d01 /* release 0.13.1 */
  29#  define HAVE_SPICE_GL 1
  30#  include "ui/egl-helpers.h"
  31#  include "ui/egl-context.h"
  32# endif
  33#endif
  34
  35#define NUM_MEMSLOTS 8
  36#define MEMSLOT_GENERATION_BITS 8
  37#define MEMSLOT_SLOT_BITS 8
  38
  39#define MEMSLOT_GROUP_HOST  0
  40#define MEMSLOT_GROUP_GUEST 1
  41#define NUM_MEMSLOTS_GROUPS 2
  42
  43/*
  44 * Internal enum to differenciate between options for
  45 * io calls that have a sync (old) version and an _async (new)
  46 * version:
  47 *  QXL_SYNC: use the old version
  48 *  QXL_ASYNC: use the new version and make sure there are no two
  49 *   happening at the same time. This is used for guest initiated
  50 *   calls
  51 */
  52typedef enum qxl_async_io {
  53    QXL_SYNC,
  54    QXL_ASYNC,
  55} qxl_async_io;
  56
  57enum {
  58    QXL_COOKIE_TYPE_IO,
  59    QXL_COOKIE_TYPE_RENDER_UPDATE_AREA,
  60    QXL_COOKIE_TYPE_POST_LOAD_MONITORS_CONFIG,
  61    QXL_COOKIE_TYPE_GL_DRAW_DONE,
  62};
  63
  64typedef struct QXLCookie {
  65    int      type;
  66    uint64_t io;
  67    union {
  68        uint32_t surface_id;
  69        QXLRect area;
  70        struct {
  71            QXLRect area;
  72            int redraw;
  73        } render;
  74        void *data;
  75    } u;
  76} QXLCookie;
  77
  78QXLCookie *qxl_cookie_new(int type, uint64_t io);
  79
  80typedef struct SimpleSpiceDisplay SimpleSpiceDisplay;
  81typedef struct SimpleSpiceUpdate SimpleSpiceUpdate;
  82typedef struct SimpleSpiceCursor SimpleSpiceCursor;
  83
  84struct SimpleSpiceDisplay {
  85    DisplaySurface *ds;
  86    DisplayChangeListener dcl;
  87    void *buf;
  88    int bufsize;
  89    QXLWorker *worker;
  90    QXLInstance qxl;
  91    uint32_t unique;
  92    pixman_image_t *surface;
  93    pixman_image_t *mirror;
  94    int32_t num_surfaces;
  95
  96    QXLRect dirty;
  97    int notify;
  98
  99    /*
 100     * All struct members below this comment can be accessed from
 101     * both spice server and qemu (iothread) context and any access
 102     * to them must be protected by the lock.
 103     */
 104    QemuMutex lock;
 105    QTAILQ_HEAD(, SimpleSpiceUpdate) updates;
 106
 107    /* cursor (without qxl): displaychangelistener -> spice server */
 108    SimpleSpiceCursor *ptr_define;
 109    SimpleSpiceCursor *ptr_move;
 110    int16_t ptr_x, ptr_y;
 111    int16_t hot_x, hot_y;
 112
 113    /* cursor (with qxl): qxl local renderer -> displaychangelistener */
 114    QEMUCursor *cursor;
 115    int mouse_x, mouse_y;
 116    QEMUBH *cursor_bh;
 117
 118#ifdef HAVE_SPICE_GL
 119    /* opengl rendering */
 120    QEMUBH *gl_unblock_bh;
 121    QEMUTimer *gl_unblock_timer;
 122    int dmabuf_fd;
 123#endif
 124};
 125
 126struct SimpleSpiceUpdate {
 127    QXLDrawable drawable;
 128    QXLImage image;
 129    QXLCommandExt ext;
 130    uint8_t *bitmap;
 131    QTAILQ_ENTRY(SimpleSpiceUpdate) next;
 132};
 133
 134struct SimpleSpiceCursor {
 135    QXLCursorCmd cmd;
 136    QXLCommandExt ext;
 137    QXLCursor cursor;
 138};
 139
 140int qemu_spice_rect_is_empty(const QXLRect* r);
 141void qemu_spice_rect_union(QXLRect *dest, const QXLRect *r);
 142
 143void qemu_spice_destroy_update(SimpleSpiceDisplay *sdpy, SimpleSpiceUpdate *update);
 144void qemu_spice_create_host_memslot(SimpleSpiceDisplay *ssd);
 145void qemu_spice_create_host_primary(SimpleSpiceDisplay *ssd);
 146void qemu_spice_destroy_host_primary(SimpleSpiceDisplay *ssd);
 147void qemu_spice_vm_change_state_handler(void *opaque, int running,
 148                                        RunState state);
 149void qemu_spice_display_init_common(SimpleSpiceDisplay *ssd);
 150
 151void qemu_spice_display_update(SimpleSpiceDisplay *ssd,
 152                               int x, int y, int w, int h);
 153void qemu_spice_display_switch(SimpleSpiceDisplay *ssd,
 154                               DisplaySurface *surface);
 155void qemu_spice_display_refresh(SimpleSpiceDisplay *ssd);
 156void qemu_spice_cursor_refresh_bh(void *opaque);
 157
 158void qemu_spice_add_memslot(SimpleSpiceDisplay *ssd, QXLDevMemSlot *memslot,
 159                            qxl_async_io async);
 160void qemu_spice_del_memslot(SimpleSpiceDisplay *ssd, uint32_t gid,
 161                            uint32_t sid);
 162void qemu_spice_create_primary_surface(SimpleSpiceDisplay *ssd, uint32_t id,
 163                                       QXLDevSurfaceCreate *surface,
 164                                       qxl_async_io async);
 165void qemu_spice_destroy_primary_surface(SimpleSpiceDisplay *ssd,
 166                                        uint32_t id, qxl_async_io async);
 167void qemu_spice_wakeup(SimpleSpiceDisplay *ssd);
 168void qemu_spice_display_start(void);
 169void qemu_spice_display_stop(void);
 170int qemu_spice_display_is_running(SimpleSpiceDisplay *ssd);
 171