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 #ifndef UI_SPICE_DISPLAY_H
  19 #define UI_SPICE_DISPLAY_H
  20
  21 #include <spice.h>
  22 #include <spice/ipc_ring.h>
  23 #include <spice/enums.h>
  24 #include <spice/qxl_dev.h>
  25
  26 #include "qemu/thread.h"
  27 #include "ui/qemu-pixman.h"
  28 #include "ui/console.h"
  29
  30 #if defined(CONFIG_OPENGL) && defined(CONFIG_GBM)
  31 # if SPICE_SERVER_VERSION >= 0x000d01 /* release 0.13.1 */
  32 #  define HAVE_SPICE_GL 1
  33 #  include "ui/egl-helpers.h"
  34 #  include "ui/egl-context.h"
  35 # endif
  36 #endif
  37
  38 #define NUM_MEMSLOTS 8
  39 #define MEMSLOT_GENERATION_BITS 8
  40 #define MEMSLOT_SLOT_BITS 8
  41
  42 #define MEMSLOT_GROUP_HOST  0
  43 #define MEMSLOT_GROUP_GUEST 1
  44 #define NUM_MEMSLOTS_GROUPS 2
  45
  46 /*
  47  * Internal enum to differenciate between options for
  48  * io calls that have a sync (old) version and an _async (new)
  49  * version:
  50  *  QXL_SYNC: use the old version
  51  *  QXL_ASYNC: use the new version and make sure there are no two
  52  *   happening at the same time. This is used for guest initiated
  53  *   calls
  54  */
  55 typedef enum qxl_async_io {
  56     QXL_SYNC,
  57     QXL_ASYNC,
  58 } qxl_async_io;
  59
  60 enum {
  61     QXL_COOKIE_TYPE_IO,
  62     QXL_COOKIE_TYPE_RENDER_UPDATE_AREA,
  63     QXL_COOKIE_TYPE_POST_LOAD_MONITORS_CONFIG,
  64     QXL_COOKIE_TYPE_GL_DRAW_DONE,
  65 };
  66
  67 typedef struct QXLCookie {
  68     int      type;
  69     uint64_t io;
  70     union {
  71         uint32_t surface_id;
  72         QXLRect area;
  73         struct {
  74             QXLRect area;
  75             int redraw;
  76         } render;
  77         void *data;
  78     } u;
  79 } QXLCookie;
  80
  81 QXLCookie *qxl_cookie_new(int type, uint64_t io);
  82
  83 typedef struct SimpleSpiceDisplay SimpleSpiceDisplay;
  84 typedef struct SimpleSpiceUpdate SimpleSpiceUpdate;
  85 typedef struct SimpleSpiceCursor SimpleSpiceCursor;
  86
  87 struct SimpleSpiceDisplay {
  88     DisplaySurface *ds;
  89     DisplayGLCtx dgc;
  90     DisplayChangeListener dcl;
  91     void *buf;
  92     int bufsize;
  93     QXLInstance qxl;
  94     uint32_t unique;
  95     pixman_image_t *surface;
  96     pixman_image_t *mirror;
  97     int32_t num_surfaces;
  98
  99     QXLRect dirty;
 100     int notify;
 101
 102     /*
 103      * All struct members below this comment can be accessed from
 104      * both spice server and qemu (iothread) context and any access
 105      * to them must be protected by the lock.
 106      */
 107     QemuMutex lock;
 108     QTAILQ_HEAD(, SimpleSpiceUpdate) updates;
 109
 110     /* cursor (without qxl): displaychangelistener -> spice server */
 111     SimpleSpiceCursor *ptr_define;
 112     SimpleSpiceCursor *ptr_move;
 113     int16_t ptr_x, ptr_y;
 114     int16_t hot_x, hot_y;
 115
 116     /* cursor (with qxl): qxl local renderer -> displaychangelistener */
 117     QEMUCursor *cursor;
 118     int mouse_x, mouse_y;
 119     QEMUBH *cursor_bh;
 120
 121 #ifdef HAVE_SPICE_GL
 122     /* opengl rendering */
 123     QEMUBH *gl_unblock_bh;
 124     QEMUTimer *gl_unblock_timer;
 125     QemuGLShader *gls;
 126     int gl_updates;
 127     bool have_scanout;
 128     bool have_surface;
 129
 130     QemuDmaBuf *guest_dmabuf;
 131     bool guest_dmabuf_refresh;
 132     bool render_cursor;
 133
 134     egl_fb guest_fb;
 135     egl_fb blit_fb;
 136     egl_fb cursor_fb;
 137     bool have_hot;
 138 #endif
 139 };
 140
 141 struct SimpleSpiceUpdate {
 142     QXLDrawable drawable;
 143     QXLImage image;
 144     QXLCommandExt ext;
 145     uint8_t *bitmap;
 146     QTAILQ_ENTRY(SimpleSpiceUpdate) next;
 147 };
 148
 149 struct SimpleSpiceCursor {
 150     QXLCursorCmd cmd;
 151     QXLCommandExt ext;
 152     QXLCursor cursor;
 153 };
 154
 155 extern bool spice_opengl;
 156
 157 int qemu_spice_rect_is_empty(const QXLRect* r);
 158 void qemu_spice_rect_union(QXLRect *dest, const QXLRect *r);
 159
 160 void qemu_spice_destroy_update(SimpleSpiceDisplay *sdpy, SimpleSpiceUpdate *update);
 161 void qemu_spice_create_host_memslot(SimpleSpiceDisplay *ssd);
 162 void qemu_spice_create_host_primary(SimpleSpiceDisplay *ssd);
 163 void qemu_spice_destroy_host_primary(SimpleSpiceDisplay *ssd);
 164 void qemu_spice_display_init_common(SimpleSpiceDisplay *ssd);
 165
 166 void qemu_spice_display_update(SimpleSpiceDisplay *ssd,
 167                                int x, int y, int w, int h);
 168 void qemu_spice_display_switch(SimpleSpiceDisplay *ssd,
 169                                DisplaySurface *surface);
 170 void qemu_spice_display_refresh(SimpleSpiceDisplay *ssd);
 171 void qemu_spice_cursor_refresh_bh(void *opaque);
 172
 173 void qemu_spice_add_memslot(SimpleSpiceDisplay *ssd, QXLDevMemSlot *memslot,
 174                             qxl_async_io async);
 175 void qemu_spice_del_memslot(SimpleSpiceDisplay *ssd, uint32_t gid,
 176                             uint32_t sid);
 177 void qemu_spice_create_primary_surface(SimpleSpiceDisplay *ssd, uint32_t id,
 178                                        QXLDevSurfaceCreate *surface,
 179                                        qxl_async_io async);
 180 void qemu_spice_destroy_primary_surface(SimpleSpiceDisplay *ssd,
 181                                         uint32_t id, qxl_async_io async);
 182 void qemu_spice_wakeup(SimpleSpiceDisplay *ssd);
 183 void qemu_spice_display_start(void);
 184 void qemu_spice_display_stop(void);
 185 int qemu_spice_display_is_running(SimpleSpiceDisplay *ssd);
 186
 187 #endif