include/ui/console.h

   1 #ifndef CONSOLE_H
   2 #define CONSOLE_H
   3
   4 #include "ui/qemu-pixman.h"
   5 #include "qom/object.h"
   6 #include "qemu/notify.h"
   7 #include "qapi/qapi-types-ui.h"
   8 #include "ui/input.h"
   9
  10 #ifdef CONFIG_OPENGL
  11 # include <epoxy/gl.h>
  12 # include "ui/shader.h"
  13 #endif
  14
  15 #define TYPE_QEMU_CONSOLE "qemu-console"
  16 OBJECT_DECLARE_TYPE(QemuConsole, QemuConsoleClass, QEMU_CONSOLE)
  17
  18 #define TYPE_QEMU_GRAPHIC_CONSOLE "qemu-graphic-console"
  19 OBJECT_DECLARE_SIMPLE_TYPE(QemuGraphicConsole, QEMU_GRAPHIC_CONSOLE)
  20
  21 #define TYPE_QEMU_TEXT_CONSOLE "qemu-text-console"
  22 OBJECT_DECLARE_SIMPLE_TYPE(QemuTextConsole, QEMU_TEXT_CONSOLE)
  23
  24 #define TYPE_QEMU_FIXED_TEXT_CONSOLE "qemu-fixed-text-console"
  25 OBJECT_DECLARE_SIMPLE_TYPE(QemuFixedTextConsole, QEMU_FIXED_TEXT_CONSOLE)
  26
  27 #define QEMU_IS_GRAPHIC_CONSOLE(c) \
  28     object_dynamic_cast(OBJECT(c), TYPE_QEMU_GRAPHIC_CONSOLE)
  29
  30 #define QEMU_IS_TEXT_CONSOLE(c) \
  31     object_dynamic_cast(OBJECT(c), TYPE_QEMU_TEXT_CONSOLE)
  32
  33 #define QEMU_IS_FIXED_TEXT_CONSOLE(c) \
  34     object_dynamic_cast(OBJECT(c), TYPE_QEMU_FIXED_TEXT_CONSOLE)
  35
  36 /* keyboard/mouse support */
  37
  38 #define MOUSE_EVENT_LBUTTON 0x01
  39 #define MOUSE_EVENT_RBUTTON 0x02
  40 #define MOUSE_EVENT_MBUTTON 0x04
  41 #define MOUSE_EVENT_WHEELUP 0x08
  42 #define MOUSE_EVENT_WHEELDN 0x10
  43
  44 /* identical to the ps/2 keyboard bits */
  45 #define QEMU_SCROLL_LOCK_LED (1 << 0)
  46 #define QEMU_NUM_LOCK_LED    (1 << 1)
  47 #define QEMU_CAPS_LOCK_LED   (1 << 2)
  48
  49 /* in ms */
  50 #define GUI_REFRESH_INTERVAL_DEFAULT    30
  51 #define GUI_REFRESH_INTERVAL_IDLE     3000
  52
  53 /* Color number is match to standard vga palette */
  54 enum qemu_color_names {
  55     QEMU_COLOR_BLACK   = 0,
  56     QEMU_COLOR_BLUE    = 1,
  57     QEMU_COLOR_GREEN   = 2,
  58     QEMU_COLOR_CYAN    = 3,
  59     QEMU_COLOR_RED     = 4,
  60     QEMU_COLOR_MAGENTA = 5,
  61     QEMU_COLOR_YELLOW  = 6,
  62     QEMU_COLOR_WHITE   = 7
  63 };
  64 /* Convert to curses char attributes */
  65 #define ATTR2CHTYPE(c, fg, bg, bold) \
  66     ((bold) << 21 | (bg) << 11 | (fg) << 8 | (c))
  67
  68 typedef void QEMUPutKBDEvent(void *opaque, int keycode);
  69 typedef void QEMUPutLEDEvent(void *opaque, int ledstate);
  70 typedef void QEMUPutMouseEvent(void *opaque, int dx, int dy, int dz, int buttons_state);
  71
  72 typedef struct QEMUPutMouseEntry QEMUPutMouseEntry;
  73 typedef struct QEMUPutKbdEntry QEMUPutKbdEntry;
  74 typedef struct QEMUPutLEDEntry QEMUPutLEDEntry;
  75
  76 QEMUPutKbdEntry *qemu_add_kbd_event_handler(QEMUPutKBDEvent *func,
  77                                             void *opaque);
  78 QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
  79                                                 void *opaque, int absolute,
  80                                                 const char *name);
  81 void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry);
  82 void qemu_activate_mouse_event_handler(QEMUPutMouseEntry *entry);
  83
  84 QEMUPutLEDEntry *qemu_add_led_event_handler(QEMUPutLEDEvent *func, void *opaque);
  85 void qemu_remove_led_event_handler(QEMUPutLEDEntry *entry);
  86
  87 void kbd_put_ledstate(int ledstate);
  88
  89 bool qemu_mouse_set(int index, Error **errp);
  90
  91 /* keysym is a unicode code except for special keys (see QEMU_KEY_xxx
  92    constants) */
  93 #define QEMU_KEY_ESC1(c) ((c) | 0xe100)
  94 #define QEMU_KEY_TAB        0x0009
  95 #define QEMU_KEY_BACKSPACE  0x007f
  96 #define QEMU_KEY_UP         QEMU_KEY_ESC1('A')
  97 #define QEMU_KEY_DOWN       QEMU_KEY_ESC1('B')
  98 #define QEMU_KEY_RIGHT      QEMU_KEY_ESC1('C')
  99 #define QEMU_KEY_LEFT       QEMU_KEY_ESC1('D')
 100 #define QEMU_KEY_HOME       QEMU_KEY_ESC1(1)
 101 #define QEMU_KEY_END        QEMU_KEY_ESC1(4)
 102 #define QEMU_KEY_PAGEUP     QEMU_KEY_ESC1(5)
 103 #define QEMU_KEY_PAGEDOWN   QEMU_KEY_ESC1(6)
 104 #define QEMU_KEY_DELETE     QEMU_KEY_ESC1(3)
 105
 106 #define QEMU_KEY_CTRL_UP         0xe400
 107 #define QEMU_KEY_CTRL_DOWN       0xe401
 108 #define QEMU_KEY_CTRL_LEFT       0xe402
 109 #define QEMU_KEY_CTRL_RIGHT      0xe403
 110 #define QEMU_KEY_CTRL_HOME       0xe404
 111 #define QEMU_KEY_CTRL_END        0xe405
 112 #define QEMU_KEY_CTRL_PAGEUP     0xe406
 113 #define QEMU_KEY_CTRL_PAGEDOWN   0xe407
 114
 115 void kbd_put_keysym_console(QemuTextConsole *s, int keysym);
 116 bool kbd_put_qcode_console(QemuTextConsole *s, int qcode, bool ctrl);
 117 void kbd_put_string_console(QemuTextConsole *s, const char *str, int len);
 118
 119 /* Touch devices */
 120 typedef struct touch_slot {
 121     int x;
 122     int y;
 123     int tracking_id;
 124 } touch_slot;
 125
 126 void console_handle_touch_event(QemuConsole *con,
 127                                 struct touch_slot touch_slots[INPUT_EVENT_SLOTS_MAX],
 128                                 uint64_t num_slot,
 129                                 int width, int height,
 130                                 double x, double y,
 131                                 InputMultiTouchType type,
 132                                 Error **errp);
 133 /* consoles */
 134
 135 struct QemuConsoleClass {
 136     ObjectClass parent_class;
 137 };
 138
 139 #define QEMU_ALLOCATED_FLAG     0x01
 140 #define QEMU_PLACEHOLDER_FLAG   0x02
 141
 142 typedef struct ScanoutTexture {
 143     uint32_t backing_id;
 144     bool backing_y_0_top;
 145     uint32_t backing_width;
 146     uint32_t backing_height;
 147     uint32_t x;
 148     uint32_t y;
 149     uint32_t width;
 150     uint32_t height;
 151     void *d3d_tex2d;
 152 } ScanoutTexture;
 153
 154 typedef struct DisplaySurface {
 155     pixman_format_code_t format;
 156     pixman_image_t *image;
 157     uint8_t flags;
 158 #ifdef CONFIG_OPENGL
 159     GLenum glformat;
 160     GLenum gltype;
 161     GLuint texture;
 162 #endif
 163 #ifdef WIN32
 164     HANDLE handle;
 165     uint32_t handle_offset;
 166 #endif
 167 } DisplaySurface;
 168
 169 typedef struct QemuUIInfo {
 170     /* physical dimension */
 171     uint16_t width_mm;
 172     uint16_t height_mm;
 173     /* geometry */
 174     int       xoff;
 175     int       yoff;
 176     uint32_t  width;
 177     uint32_t  height;
 178     uint32_t  refresh_rate;
 179 } QemuUIInfo;
 180
 181 /* cursor data format is 32bit RGBA */
 182 typedef struct QEMUCursor {
 183     uint16_t            width, height;
 184     int                 hot_x, hot_y;
 185     int                 refcount;
 186     uint32_t            data[];
 187 } QEMUCursor;
 188
 189 QEMUCursor *cursor_alloc(uint16_t width, uint16_t height);
 190 QEMUCursor *cursor_ref(QEMUCursor *c);
 191 void cursor_unref(QEMUCursor *c);
 192 QEMUCursor *cursor_builtin_hidden(void);
 193 QEMUCursor *cursor_builtin_left_ptr(void);
 194 void cursor_print_ascii_art(QEMUCursor *c, const char *prefix);
 195 int cursor_get_mono_bpl(QEMUCursor *c);
 196 void cursor_set_mono(QEMUCursor *c,
 197                      uint32_t foreground, uint32_t background, uint8_t *image,
 198                      int transparent, uint8_t *mask);
 199 void cursor_get_mono_image(QEMUCursor *c, int foreground, uint8_t *mask);
 200 void cursor_get_mono_mask(QEMUCursor *c, int transparent, uint8_t *mask);
 201
 202 typedef void *QEMUGLContext;
 203 typedef struct QEMUGLParams QEMUGLParams;
 204
 205 struct QEMUGLParams {
 206     int major_ver;
 207     int minor_ver;
 208 };
 209
 210 typedef struct QemuDmaBuf {
 211     int       fd;
 212     uint32_t  width;
 213     uint32_t  height;
 214     uint32_t  stride;
 215     uint32_t  fourcc;
 216     uint64_t  modifier;
 217     uint32_t  texture;
 218     uint32_t  x;
 219     uint32_t  y;
 220     uint32_t  backing_width;
 221     uint32_t  backing_height;
 222     bool      y0_top;
 223     void      *sync;
 224     int       fence_fd;
 225     bool      allow_fences;
 226     bool      draw_submitted;
 227 } QemuDmaBuf;
 228
 229 enum display_scanout {
 230     SCANOUT_NONE,
 231     SCANOUT_SURFACE,
 232     SCANOUT_TEXTURE,
 233     SCANOUT_DMABUF,
 234 };
 235
 236 typedef struct DisplayScanout {
 237     enum display_scanout kind;
 238     union {
 239         /* DisplaySurface *surface; is kept in QemuConsole */
 240         ScanoutTexture texture;
 241         QemuDmaBuf *dmabuf;
 242     };
 243 } DisplayScanout;
 244
 245 typedef struct DisplayState DisplayState;
 246 typedef struct DisplayGLCtx DisplayGLCtx;
 247
 248 typedef struct DisplayChangeListenerOps {
 249     const char *dpy_name;
 250
 251     /* optional */
 252     void (*dpy_refresh)(DisplayChangeListener *dcl);
 253
 254     /* optional */
 255     void (*dpy_gfx_update)(DisplayChangeListener *dcl,
 256                            int x, int y, int w, int h);
 257     /* optional */
 258     void (*dpy_gfx_switch)(DisplayChangeListener *dcl,
 259                            struct DisplaySurface *new_surface);
 260     /* optional */
 261     bool (*dpy_gfx_check_format)(DisplayChangeListener *dcl,
 262                                  pixman_format_code_t format);
 263
 264     /* optional */
 265     void (*dpy_text_cursor)(DisplayChangeListener *dcl,
 266                             int x, int y);
 267     /* optional */
 268     void (*dpy_text_resize)(DisplayChangeListener *dcl,
 269                             int w, int h);
 270     /* optional */
 271     void (*dpy_text_update)(DisplayChangeListener *dcl,
 272                             int x, int y, int w, int h);
 273
 274     /* optional */
 275     void (*dpy_mouse_set)(DisplayChangeListener *dcl,
 276                           int x, int y, int on);
 277     /* optional */
 278     void (*dpy_cursor_define)(DisplayChangeListener *dcl,
 279                               QEMUCursor *cursor);
 280
 281     /* required if GL */
 282     void (*dpy_gl_scanout_disable)(DisplayChangeListener *dcl);
 283     /* required if GL */
 284     void (*dpy_gl_scanout_texture)(DisplayChangeListener *dcl,
 285                                    uint32_t backing_id,
 286                                    bool backing_y_0_top,
 287                                    uint32_t backing_width,
 288                                    uint32_t backing_height,
 289                                    uint32_t x, uint32_t y,
 290                                    uint32_t w, uint32_t h,
 291                                    void *d3d_tex2d);
 292     /* optional (default to true if has dpy_gl_scanout_dmabuf) */
 293     bool (*dpy_has_dmabuf)(DisplayChangeListener *dcl);
 294     /* optional */
 295     void (*dpy_gl_scanout_dmabuf)(DisplayChangeListener *dcl,
 296                                   QemuDmaBuf *dmabuf);
 297     /* optional */
 298     void (*dpy_gl_cursor_dmabuf)(DisplayChangeListener *dcl,
 299                                  QemuDmaBuf *dmabuf, bool have_hot,
 300                                  uint32_t hot_x, uint32_t hot_y);
 301     /* optional */
 302     void (*dpy_gl_cursor_position)(DisplayChangeListener *dcl,
 303                                    uint32_t pos_x, uint32_t pos_y);
 304     /* optional */
 305     void (*dpy_gl_release_dmabuf)(DisplayChangeListener *dcl,
 306                                   QemuDmaBuf *dmabuf);
 307     /* required if GL */
 308     void (*dpy_gl_update)(DisplayChangeListener *dcl,
 309                           uint32_t x, uint32_t y, uint32_t w, uint32_t h);
 310
 311 } DisplayChangeListenerOps;
 312
 313 struct DisplayChangeListener {
 314     uint64_t update_interval;
 315     const DisplayChangeListenerOps *ops;
 316     DisplayState *ds;
 317     QemuConsole *con;
 318
 319     QLIST_ENTRY(DisplayChangeListener) next;
 320 };
 321
 322 typedef struct DisplayGLCtxOps {
 323     bool (*dpy_gl_ctx_is_compatible_dcl)(DisplayGLCtx *dgc,
 324                                          DisplayChangeListener *dcl);
 325     QEMUGLContext (*dpy_gl_ctx_create)(DisplayGLCtx *dgc,
 326                                        QEMUGLParams *params);
 327     void (*dpy_gl_ctx_destroy)(DisplayGLCtx *dgc,
 328                                QEMUGLContext ctx);
 329     int (*dpy_gl_ctx_make_current)(DisplayGLCtx *dgc,
 330                                    QEMUGLContext ctx);
 331     void (*dpy_gl_ctx_create_texture)(DisplayGLCtx *dgc,
 332                                       DisplaySurface *surface);
 333     void (*dpy_gl_ctx_destroy_texture)(DisplayGLCtx *dgc,
 334                                       DisplaySurface *surface);
 335     void (*dpy_gl_ctx_update_texture)(DisplayGLCtx *dgc,
 336                                       DisplaySurface *surface,
 337                                       int x, int y, int w, int h);
 338 } DisplayGLCtxOps;
 339
 340 struct DisplayGLCtx {
 341     const DisplayGLCtxOps *ops;
 342 #ifdef CONFIG_OPENGL
 343     QemuGLShader *gls; /* optional shared shader */
 344 #endif
 345 };
 346
 347 DisplayState *init_displaystate(void);
 348 DisplaySurface *qemu_create_displaysurface_from(int width, int height,
 349                                                 pixman_format_code_t format,
 350                                                 int linesize, uint8_t *data);
 351 DisplaySurface *qemu_create_displaysurface_pixman(pixman_image_t *image);
 352 DisplaySurface *qemu_create_placeholder_surface(int w, int h,
 353                                                 const char *msg);
 354 #ifdef WIN32
 355 void qemu_displaysurface_win32_set_handle(DisplaySurface *surface,
 356                                           HANDLE h, uint32_t offset);
 357 #endif
 358 PixelFormat qemu_default_pixelformat(int bpp);
 359
 360 DisplaySurface *qemu_create_displaysurface(int width, int height);
 361 void qemu_free_displaysurface(DisplaySurface *surface);
 362
 363 static inline int is_buffer_shared(DisplaySurface *surface)
 364 {
 365     return !(surface->flags & QEMU_ALLOCATED_FLAG);
 366 }
 367
 368 static inline int is_placeholder(DisplaySurface *surface)
 369 {
 370     return surface->flags & QEMU_PLACEHOLDER_FLAG;
 371 }
 372
 373 void register_displaychangelistener(DisplayChangeListener *dcl);
 374 void update_displaychangelistener(DisplayChangeListener *dcl,
 375                                   uint64_t interval);
 376 void unregister_displaychangelistener(DisplayChangeListener *dcl);
 377
 378 bool dpy_ui_info_supported(QemuConsole *con);
 379 const QemuUIInfo *dpy_get_ui_info(const QemuConsole *con);
 380 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info, bool delay);
 381
 382 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h);
 383 void dpy_gfx_update_full(QemuConsole *con);
 384 void dpy_gfx_replace_surface(QemuConsole *con,
 385                              DisplaySurface *surface);
 386 void dpy_text_cursor(QemuConsole *con, int x, int y);
 387 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h);
 388 void dpy_text_resize(QemuConsole *con, int w, int h);
 389 void dpy_mouse_set(QemuConsole *con, int x, int y, int on);
 390 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor);
 391 bool dpy_cursor_define_supported(QemuConsole *con);
 392 bool dpy_gfx_check_format(QemuConsole *con,
 393                           pixman_format_code_t format);
 394
 395 void dpy_gl_scanout_disable(QemuConsole *con);
 396 void dpy_gl_scanout_texture(QemuConsole *con,
 397                             uint32_t backing_id, bool backing_y_0_top,
 398                             uint32_t backing_width, uint32_t backing_height,
 399                             uint32_t x, uint32_t y, uint32_t w, uint32_t h,
 400                             void *d3d_tex2d);
 401 void dpy_gl_scanout_dmabuf(QemuConsole *con,
 402                            QemuDmaBuf *dmabuf);
 403 void dpy_gl_cursor_dmabuf(QemuConsole *con, QemuDmaBuf *dmabuf,
 404                           bool have_hot, uint32_t hot_x, uint32_t hot_y);
 405 void dpy_gl_cursor_position(QemuConsole *con,
 406                             uint32_t pos_x, uint32_t pos_y);
 407 void dpy_gl_release_dmabuf(QemuConsole *con,
 408                            QemuDmaBuf *dmabuf);
 409 void dpy_gl_update(QemuConsole *con,
 410                    uint32_t x, uint32_t y, uint32_t w, uint32_t h);
 411
 412 QEMUGLContext dpy_gl_ctx_create(QemuConsole *con,
 413                                 QEMUGLParams *params);
 414 void dpy_gl_ctx_destroy(QemuConsole *con, QEMUGLContext ctx);
 415 int dpy_gl_ctx_make_current(QemuConsole *con, QEMUGLContext ctx);
 416
 417 bool console_has_gl(QemuConsole *con);
 418
 419 static inline int surface_stride(DisplaySurface *s)
 420 {
 421     return pixman_image_get_stride(s->image);
 422 }
 423
 424 static inline void *surface_data(DisplaySurface *s)
 425 {
 426     return pixman_image_get_data(s->image);
 427 }
 428
 429 static inline int surface_width(DisplaySurface *s)
 430 {
 431     return pixman_image_get_width(s->image);
 432 }
 433
 434 static inline int surface_height(DisplaySurface *s)
 435 {
 436     return pixman_image_get_height(s->image);
 437 }
 438
 439 static inline int surface_bits_per_pixel(DisplaySurface *s)
 440 {
 441     int bits = PIXMAN_FORMAT_BPP(s->format);
 442     return bits;
 443 }
 444
 445 static inline int surface_bytes_per_pixel(DisplaySurface *s)
 446 {
 447     int bits = PIXMAN_FORMAT_BPP(s->format);
 448     return DIV_ROUND_UP(bits, 8);
 449 }
 450
 451 static inline pixman_format_code_t surface_format(DisplaySurface *s)
 452 {
 453     return s->format;
 454 }
 455
 456 typedef uint32_t console_ch_t;
 457
 458 static inline void console_write_ch(console_ch_t *dest, uint32_t ch)
 459 {
 460     *dest = ch;
 461 }
 462
 463 enum {
 464     GRAPHIC_FLAGS_NONE     = 0,
 465     /* require a console/display with GL callbacks */
 466     GRAPHIC_FLAGS_GL       = 1 << 0,
 467     /* require a console/display with DMABUF import */
 468     GRAPHIC_FLAGS_DMABUF   = 1 << 1,
 469 };
 470
 471 typedef struct GraphicHwOps {
 472     int (*get_flags)(void *opaque); /* optional, default 0 */
 473     void (*invalidate)(void *opaque);
 474     void (*gfx_update)(void *opaque);
 475     bool gfx_update_async; /* if true, calls graphic_hw_update_done() */
 476     void (*text_update)(void *opaque, console_ch_t *text);
 477     void (*ui_info)(void *opaque, uint32_t head, QemuUIInfo *info);
 478     void (*gl_block)(void *opaque, bool block);
 479 } GraphicHwOps;
 480
 481 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
 482                                   const GraphicHwOps *ops,
 483                                   void *opaque);
 484 void graphic_console_set_hwops(QemuConsole *con,
 485                                const GraphicHwOps *hw_ops,
 486                                void *opaque);
 487 void graphic_console_close(QemuConsole *con);
 488
 489 void graphic_hw_update(QemuConsole *con);
 490 void graphic_hw_update_done(QemuConsole *con);
 491 void graphic_hw_invalidate(QemuConsole *con);
 492 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata);
 493 void graphic_hw_gl_block(QemuConsole *con, bool block);
 494
 495 void qemu_console_early_init(void);
 496
 497 void qemu_console_set_display_gl_ctx(QemuConsole *con, DisplayGLCtx *ctx);
 498
 499 QemuConsole *qemu_console_lookup_by_index(unsigned int index);
 500 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head);
 501 QemuConsole *qemu_console_lookup_by_device_name(const char *device_id,
 502                                                 uint32_t head, Error **errp);
 503 QEMUCursor *qemu_console_get_cursor(QemuConsole *con);
 504 bool qemu_console_is_visible(QemuConsole *con);
 505 bool qemu_console_is_graphic(QemuConsole *con);
 506 bool qemu_console_is_fixedsize(QemuConsole *con);
 507 bool qemu_console_is_gl_blocked(QemuConsole *con);
 508 bool qemu_console_is_multihead(DeviceState *dev);
 509 char *qemu_console_get_label(QemuConsole *con);
 510 int qemu_console_get_index(QemuConsole *con);
 511 uint32_t qemu_console_get_head(QemuConsole *con);
 512 int qemu_console_get_width(QemuConsole *con, int fallback);
 513 int qemu_console_get_height(QemuConsole *con, int fallback);
 514 /* Return the low-level window id for the console */
 515 int qemu_console_get_window_id(QemuConsole *con);
 516 /* Set the low-level window id for the console */
 517 void qemu_console_set_window_id(QemuConsole *con, int window_id);
 518
 519 void console_select(unsigned int index);
 520 void qemu_console_resize(QemuConsole *con, int width, int height);
 521 DisplaySurface *qemu_console_surface(QemuConsole *con);
 522 void coroutine_fn qemu_console_co_wait_update(QemuConsole *con);
 523 int qemu_invalidate_text_consoles(void);
 524
 525 /* console-gl.c */
 526 #ifdef CONFIG_OPENGL
 527 bool console_gl_check_format(DisplayChangeListener *dcl,
 528                              pixman_format_code_t format);
 529 void surface_gl_create_texture(QemuGLShader *gls,
 530                                DisplaySurface *surface);
 531 void surface_gl_update_texture(QemuGLShader *gls,
 532                                DisplaySurface *surface,
 533                                int x, int y, int w, int h);
 534 void surface_gl_render_texture(QemuGLShader *gls,
 535                                DisplaySurface *surface);
 536 void surface_gl_destroy_texture(QemuGLShader *gls,
 537                                DisplaySurface *surface);
 538 void surface_gl_setup_viewport(QemuGLShader *gls,
 539                                DisplaySurface *surface,
 540                                int ww, int wh);
 541 #endif
 542
 543 typedef struct QemuDisplay QemuDisplay;
 544
 545 struct QemuDisplay {
 546     DisplayType type;
 547     void (*early_init)(DisplayOptions *opts);
 548     void (*init)(DisplayState *ds, DisplayOptions *opts);
 549 };
 550
 551 void qemu_display_register(QemuDisplay *ui);
 552 bool qemu_display_find_default(DisplayOptions *opts);
 553 void qemu_display_early_init(DisplayOptions *opts);
 554 void qemu_display_init(DisplayState *ds, DisplayOptions *opts);
 555 void qemu_display_help(void);
 556
 557 /* vnc.c */
 558 void vnc_display_init(const char *id, Error **errp);
 559 void vnc_display_open(const char *id, Error **errp);
 560 void vnc_display_add_client(const char *id, int csock, bool skipauth);
 561 int vnc_display_password(const char *id, const char *password);
 562 int vnc_display_pw_expire(const char *id, time_t expires);
 563 void vnc_parse(const char *str);
 564 int vnc_init_func(void *opaque, QemuOpts *opts, Error **errp);
 565 bool vnc_display_reload_certs(const char *id,  Error **errp);
 566 bool vnc_display_update(DisplayUpdateOptionsVNC *arg, Error **errp);
 567
 568 /* input.c */
 569 int index_from_key(const char *key, size_t key_length);
 570
 571 #ifdef CONFIG_LINUX
 572 /* udmabuf.c */
 573 int udmabuf_fd(void);
 574 #endif
 575
 576 /* util.c */
 577 bool qemu_console_fill_device_address(QemuConsole *con,
 578                                       char *device_address,
 579                                       size_t size,
 580                                       Error **errp);
 581
 582 #endif