xref: /qemu/include/ui/spice-display.h (revision a7b78fc9)
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  */
52 typedef enum qxl_async_io {
53     QXL_SYNC,
54     QXL_ASYNC,
55 } qxl_async_io;
56 
57 enum {
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 
64 typedef 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 
78 QXLCookie *qxl_cookie_new(int type, uint64_t io);
79 
80 typedef struct SimpleSpiceDisplay SimpleSpiceDisplay;
81 typedef struct SimpleSpiceUpdate SimpleSpiceUpdate;
82 typedef struct SimpleSpiceCursor SimpleSpiceCursor;
83 
84 struct 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 
137 struct SimpleSpiceUpdate {
138     QXLDrawable drawable;
139     QXLImage image;
140     QXLCommandExt ext;
141     uint8_t *bitmap;
142     QTAILQ_ENTRY(SimpleSpiceUpdate) next;
143 };
144 
145 struct SimpleSpiceCursor {
146     QXLCursorCmd cmd;
147     QXLCommandExt ext;
148     QXLCursor cursor;
149 };
150 
151 extern bool spice_opengl;
152 
153 int qemu_spice_rect_is_empty(const QXLRect* r);
154 void qemu_spice_rect_union(QXLRect *dest, const QXLRect *r);
155 
156 void qemu_spice_destroy_update(SimpleSpiceDisplay *sdpy, SimpleSpiceUpdate *update);
157 void qemu_spice_create_host_memslot(SimpleSpiceDisplay *ssd);
158 void qemu_spice_create_host_primary(SimpleSpiceDisplay *ssd);
159 void qemu_spice_destroy_host_primary(SimpleSpiceDisplay *ssd);
160 void qemu_spice_display_init_common(SimpleSpiceDisplay *ssd);
161 
162 void qemu_spice_display_update(SimpleSpiceDisplay *ssd,
163                                int x, int y, int w, int h);
164 void qemu_spice_display_switch(SimpleSpiceDisplay *ssd,
165                                DisplaySurface *surface);
166 void qemu_spice_display_refresh(SimpleSpiceDisplay *ssd);
167 void qemu_spice_cursor_refresh_bh(void *opaque);
168 
169 void qemu_spice_add_memslot(SimpleSpiceDisplay *ssd, QXLDevMemSlot *memslot,
170                             qxl_async_io async);
171 void qemu_spice_del_memslot(SimpleSpiceDisplay *ssd, uint32_t gid,
172                             uint32_t sid);
173 void qemu_spice_create_primary_surface(SimpleSpiceDisplay *ssd, uint32_t id,
174                                        QXLDevSurfaceCreate *surface,
175                                        qxl_async_io async);
176 void qemu_spice_destroy_primary_surface(SimpleSpiceDisplay *ssd,
177                                         uint32_t id, qxl_async_io async);
178 void qemu_spice_wakeup(SimpleSpiceDisplay *ssd);
179 void qemu_spice_display_start(void);
180 void qemu_spice_display_stop(void);
181 int qemu_spice_display_is_running(SimpleSpiceDisplay *ssd);
182 
183 bool qemu_spice_fill_device_address(QemuConsole *con,
184                                     char *device_address,
185                                     size_t size);
186