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    QXLInstance qxl;
  90    uint32_t unique;
  91    pixman_image_t *surface;
  92    pixman_image_t *mirror;
  93    int32_t num_surfaces;
  94
  95    QXLRect dirty;
  96    int notify;
  97
  98    /*
  99     * All struct members below this comment can be accessed from
 100     * both spice server and qemu (iothread) context and any access
 101     * to them must be protected by the lock.
 102     */
 103    QemuMutex lock;
 104    QTAILQ_HEAD(, SimpleSpiceUpdate) updates;
 105
 106    /* cursor (without qxl): displaychangelistener -> spice server */
 107    SimpleSpiceCursor *ptr_define;
 108    SimpleSpiceCursor *ptr_move;
 109    int16_t ptr_x, ptr_y;
 110    int16_t hot_x, hot_y;
 111
 112    /* cursor (with qxl): qxl local renderer -> displaychangelistener */
 113    QEMUCursor *cursor;
 114    int mouse_x, mouse_y;
 115    QEMUBH *cursor_bh;
 116
 117#ifdef HAVE_SPICE_GL
 118    /* opengl rendering */
 119    QEMUBH *gl_unblock_bh;
 120    QEMUTimer *gl_unblock_timer;
 121    QemuGLShader *gls;
 122    int gl_updates;
 123    bool have_scanout;
 124    bool have_surface;
 125
 126    QemuDmaBuf *guest_dmabuf;
 127    bool guest_dmabuf_refresh;
 128    bool render_cursor;
 129
 130    egl_fb guest_fb;
 131    egl_fb blit_fb;
 132    egl_fb cursor_fb;
 133    bool have_hot;
 134#endif
 135};
 136
 137struct SimpleSpiceUpdate {
 138    QXLDrawable drawable;
 139    QXLImage image;
 140    QXLCommandExt ext;
 141    uint8_t *bitmap;
 142    QTAILQ_ENTRY(SimpleSpiceUpdate) next;
 143};
 144
 145struct SimpleSpiceCursor {
 146    QXLCursorCmd cmd;
 147    QXLCommandExt ext;
 148    QXLCursor cursor;
 149};
 150
 151extern bool spice_opengl;
 152
 153int qemu_spice_rect_is_empty(const QXLRect* r);
 154void qemu_spice_rect_union(QXLRect *dest, const QXLRect *r);
 155
 156void qemu_spice_destroy_update(SimpleSpiceDisplay *sdpy, SimpleSpiceUpdate *update);
 157void qemu_spice_create_host_memslot(SimpleSpiceDisplay *ssd);
 158void qemu_spice_create_host_primary(SimpleSpiceDisplay *ssd);
 159void qemu_spice_destroy_host_primary(SimpleSpiceDisplay *ssd);
 160void qemu_spice_display_init_common(SimpleSpiceDisplay *ssd);
 161
 162void qemu_spice_display_update(SimpleSpiceDisplay *ssd,
 163                               int x, int y, int w, int h);
 164void qemu_spice_display_switch(SimpleSpiceDisplay *ssd,
 165                               DisplaySurface *surface);
 166void qemu_spice_display_refresh(SimpleSpiceDisplay *ssd);
 167void qemu_spice_cursor_refresh_bh(void *opaque);
 168
 169void qemu_spice_add_memslot(SimpleSpiceDisplay *ssd, QXLDevMemSlot *memslot,
 170                            qxl_async_io async);
 171void qemu_spice_del_memslot(SimpleSpiceDisplay *ssd, uint32_t gid,
 172                            uint32_t sid);
 173void qemu_spice_create_primary_surface(SimpleSpiceDisplay *ssd, uint32_t id,
 174                                       QXLDevSurfaceCreate *surface,
 175                                       qxl_async_io async);
 176void qemu_spice_destroy_primary_surface(SimpleSpiceDisplay *ssd,
 177                                        uint32_t id, qxl_async_io async);
 178void qemu_spice_wakeup(SimpleSpiceDisplay *ssd);
 179void qemu_spice_display_start(void);
 180void qemu_spice_display_stop(void);
 181int qemu_spice_display_is_running(SimpleSpiceDisplay *ssd);
 182
 183bool qemu_spice_fill_device_address(QemuConsole *con,
 184                                    char *device_address,
 185                                    size_t size);
 186