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 int gl_updates; 125 bool have_scanout; 126 bool have_surface; 127 128 QemuDmaBuf *guest_dmabuf; 129 bool guest_dmabuf_refresh; 130 bool render_cursor; 131 132 egl_fb guest_fb; 133 egl_fb blit_fb; 134 egl_fb cursor_fb; 135 bool backing_y_0_top; 136 bool blit_scanout_texture; 137 bool new_scanout_texture; 138 bool have_hot; 139 #endif 140 }; 141 142 struct SimpleSpiceUpdate { 143 QXLDrawable drawable; 144 QXLImage image; 145 QXLCommandExt ext; 146 uint8_t *bitmap; 147 QTAILQ_ENTRY(SimpleSpiceUpdate) next; 148 }; 149 150 struct SimpleSpiceCursor { 151 QXLCursorCmd cmd; 152 QXLCommandExt ext; 153 QXLCursor cursor; 154 }; 155 156 extern bool spice_opengl; 157 extern bool spice_remote_client; 158 extern int spice_max_refresh_rate; 159 160 int qemu_spice_rect_is_empty(const QXLRect* r); 161 void qemu_spice_rect_union(QXLRect *dest, const QXLRect *r); 162 163 void qemu_spice_destroy_update(SimpleSpiceDisplay *sdpy, SimpleSpiceUpdate *update); 164 void qemu_spice_create_host_memslot(SimpleSpiceDisplay *ssd); 165 void qemu_spice_create_host_primary(SimpleSpiceDisplay *ssd); 166 void qemu_spice_destroy_host_primary(SimpleSpiceDisplay *ssd); 167 void qemu_spice_display_init_common(SimpleSpiceDisplay *ssd); 168 169 void qemu_spice_display_update(SimpleSpiceDisplay *ssd, 170 int x, int y, int w, int h); 171 void qemu_spice_display_switch(SimpleSpiceDisplay *ssd, 172 DisplaySurface *surface); 173 void qemu_spice_display_refresh(SimpleSpiceDisplay *ssd); 174 void qemu_spice_cursor_refresh_bh(void *opaque); 175 176 void qemu_spice_add_memslot(SimpleSpiceDisplay *ssd, QXLDevMemSlot *memslot, 177 qxl_async_io async); 178 void qemu_spice_del_memslot(SimpleSpiceDisplay *ssd, uint32_t gid, 179 uint32_t sid); 180 void qemu_spice_create_primary_surface(SimpleSpiceDisplay *ssd, uint32_t id, 181 QXLDevSurfaceCreate *surface, 182 qxl_async_io async); 183 void qemu_spice_destroy_primary_surface(SimpleSpiceDisplay *ssd, 184 uint32_t id, qxl_async_io async); 185 void qemu_spice_wakeup(SimpleSpiceDisplay *ssd); 186 void qemu_spice_display_start(void); 187 void qemu_spice_display_stop(void); 188 int qemu_spice_display_is_running(SimpleSpiceDisplay *ssd); 189 190 #endif 191