qemu

FORK: QEMU emulator
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spice-display.h (5428B)


      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