@samitouri / QOSamiQemu
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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 # define HAVE_SPICE_GL 1
32 # include "ui/egl-helpers.h"
33 # include "ui/egl-context.h"
34 #endif
35
36 #define NUM_MEMSLOTS 8
37 #define MEMSLOT_GENERATION_BITS 8
38 #define MEMSLOT_SLOT_BITS 8
39
40 #define MEMSLOT_GROUP_HOST 0
41 #define MEMSLOT_GROUP_GUEST 1
42 #define NUM_MEMSLOTS_GROUPS 2
43
44 /*
45 * Internal enum to differentiate between options for
46 * io calls that have a sync (old) version and an _async (new)
47 * version:
48 * QXL_SYNC: use the old version
49 * QXL_ASYNC: use the new version and make sure there are no two
50 * happening at the same time. This is used for guest initiated
51 * calls
52 */
53 typedef enum qxl_async_io {
54 QXL_SYNC,
55 QXL_ASYNC,
56 } qxl_async_io;
57
58 enum {
59 QXL_COOKIE_TYPE_IO,
60 QXL_COOKIE_TYPE_RENDER_UPDATE_AREA,
61 QXL_COOKIE_TYPE_POST_LOAD_MONITORS_CONFIG,
62 QXL_COOKIE_TYPE_GL_DRAW_DONE,
63 };
64
65 typedef struct QXLCookie {
66 int type;
67 uint64_t io;
68 union {
69 uint32_t surface_id;
70 QXLRect area;
71 struct {
72 QXLRect area;
73 int redraw;
74 } render;
75 void *data;
76 } u;
77 } QXLCookie;
78
79 QXLCookie *qxl_cookie_new(int type, uint64_t io);
80
81 typedef struct SimpleSpiceDisplay SimpleSpiceDisplay;
82 typedef struct SimpleSpiceUpdate SimpleSpiceUpdate;
83 typedef struct SimpleSpiceCursor SimpleSpiceCursor;
84
85 struct SimpleSpiceDisplay {
86 DisplaySurface *ds;
87 DisplayGLCtx dgc;
88 DisplayChangeListener dcl;
89 void *buf;
90 int bufsize;
91 QXLInstance qxl;
92 uint32_t unique;
93 pixman_image_t *surface;
94 pixman_image_t *mirror;
95 int32_t num_surfaces;
96
97 QXLRect dirty;
98 int notify;
99
100 /*
101 * All struct members below this comment can be accessed from
102 * both spice server and qemu (iothread) context and any access
103 * to them must be protected by the lock.
104 */
105 QemuMutex lock;
106 QTAILQ_HEAD(, SimpleSpiceUpdate) updates;
107
108 /* cursor (without qxl): displaychangelistener -> spice server */
109 SimpleSpiceCursor *ptr_define;
110 SimpleSpiceCursor *ptr_move;
111 int16_t ptr_x, ptr_y;
112 int16_t hot_x, hot_y;
113
114 /* cursor (with qxl): qxl local renderer -> displaychangelistener */
115 QEMUCursor *cursor;
116 int mouse_x, mouse_y;
117 QEMUBH *cursor_bh;
118
119 #ifdef HAVE_SPICE_GL
120 /* opengl rendering */
121 QEMUBH *gl_unblock_bh;
122 QEMUTimer *gl_unblock_timer;
123 QemuGLShader *gls;
124 GLuint gl_surface_mem_obj;
125 int gl_updates;
126 bool have_scanout;
127 bool have_surface;
128
129 QemuDmaBuf *guest_dmabuf;
130 bool guest_dmabuf_refresh;
131 bool render_cursor;
132
133 egl_fb guest_fb;
134 egl_fb blit_fb;
135 egl_fb cursor_fb;
136 bool backing_y_0_top;
137 bool blit_scanout_texture;
138 bool new_scanout_texture;
139 bool have_hot;
140 #endif
141 };
142
143 struct SimpleSpiceUpdate {
144 QXLDrawable drawable;
145 QXLImage image;
146 QXLCommandExt ext;
147 uint8_t *bitmap;
148 QTAILQ_ENTRY(SimpleSpiceUpdate) next;
149 };
150
151 struct SimpleSpiceCursor {
152 QXLCursorCmd cmd;
153 QXLCommandExt ext;
154 QXLCursor cursor;
155 };
156
157 extern bool spice_opengl;
158 extern bool spice_remote_client;
159 extern int spice_max_refresh_rate;
160
161 int qemu_spice_rect_is_empty(const QXLRect* r);
162 void qemu_spice_rect_union(QXLRect *dest, const QXLRect *r);
163
164 void qemu_spice_destroy_update(SimpleSpiceDisplay *sdpy, SimpleSpiceUpdate *update);
165 void qemu_spice_create_host_memslot(SimpleSpiceDisplay *ssd);
166 void qemu_spice_create_host_primary(SimpleSpiceDisplay *ssd);
167 void qemu_spice_destroy_host_primary(SimpleSpiceDisplay *ssd);
168 void qemu_spice_display_init_common(SimpleSpiceDisplay *ssd);
169
170 void qemu_spice_display_update(SimpleSpiceDisplay *ssd,
171 int x, int y, int w, int h);
172 void qemu_spice_display_switch(SimpleSpiceDisplay *ssd,
173 DisplaySurface *surface);
174 void qemu_spice_display_refresh(SimpleSpiceDisplay *ssd);
175 void qemu_spice_cursor_refresh_bh(void *opaque);
176
177 void qemu_spice_add_memslot(SimpleSpiceDisplay *ssd, QXLDevMemSlot *memslot,
178 qxl_async_io async);
179 void qemu_spice_del_memslot(SimpleSpiceDisplay *ssd, uint32_t gid,
180 uint32_t sid);
181 void qemu_spice_create_primary_surface(SimpleSpiceDisplay *ssd, uint32_t id,
182 QXLDevSurfaceCreate *surface,
183 qxl_async_io async);
184 void qemu_spice_destroy_primary_surface(SimpleSpiceDisplay *ssd,
185 uint32_t id, qxl_async_io async);
186 void qemu_spice_wakeup(SimpleSpiceDisplay *ssd);
187 void qemu_spice_display_start(void);
188 void qemu_spice_display_stop(void);
189 int qemu_spice_display_is_running(SimpleSpiceDisplay *ssd);
190
191 #endif