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(QemuConsole *s, int keysym);
 116 bool kbd_put_qcode_console(QemuConsole *s, int qcode, bool ctrl);
 117 void kbd_put_string_console(QemuConsole *s, const char *str, int len);
 118 void kbd_put_keysym(int keysym);
 119
 120 /* Touch devices */
 121 typedef struct touch_slot {
 122     int x;
 123     int y;
 124     int tracking_id;
 125 } touch_slot;
 126
 127 void console_handle_touch_event(QemuConsole *con,
 128                                 struct touch_slot touch_slots[INPUT_EVENT_SLOTS_MAX],
 129                                 uint64_t num_slot,
 130                                 int width, int height,
 131                                 double x, double y,
 132                                 InputMultiTouchType type,
 133                                 Error **errp);
 134 /* consoles */
 135
 136 struct QemuConsoleClass {
 137     ObjectClass parent_class;
 138 };
 139
 140 #define QEMU_ALLOCATED_FLAG     0x01
 141 #define QEMU_PLACEHOLDER_FLAG   0x02
 142
 143 typedef struct ScanoutTexture {
 144     uint32_t backing_id;
 145     bool backing_y_0_top;
 146     uint32_t backing_width;
 147     uint32_t backing_height;
 148     uint32_t x;
 149     uint32_t y;
 150     uint32_t width;
 151     uint32_t height;
 152     void *d3d_tex2d;
 153 } ScanoutTexture;
 154
 155 typedef struct DisplaySurface {
 156     pixman_format_code_t format;
 157     pixman_image_t *image;
 158     uint8_t flags;
 159 #ifdef CONFIG_OPENGL
 160     GLenum glformat;
 161     GLenum gltype;
 162     GLuint texture;
 163 #endif
 164 #ifdef WIN32
 165     HANDLE handle;
 166     uint32_t handle_offset;
 167 #endif
 168 } DisplaySurface;
 169
 170 typedef struct QemuUIInfo {
 171     /* physical dimension */
 172     uint16_t width_mm;
 173     uint16_t height_mm;
 174     /* geometry */
 175     int       xoff;
 176     int       yoff;
 177     uint32_t  width;
 178     uint32_t  height;
 179     uint32_t  refresh_rate;
 180 } QemuUIInfo;
 181
 182 /* cursor data format is 32bit RGBA */
 183 typedef struct QEMUCursor {
 184     uint16_t            width, height;
 185     int                 hot_x, hot_y;
 186     int                 refcount;
 187     uint32_t            data[];
 188 } QEMUCursor;
 189
 190 QEMUCursor *cursor_alloc(uint16_t width, uint16_t height);
 191 QEMUCursor *cursor_ref(QEMUCursor *c);
 192 void cursor_unref(QEMUCursor *c);
 193 QEMUCursor *cursor_builtin_hidden(void);
 194 QEMUCursor *cursor_builtin_left_ptr(void);
 195 void cursor_print_ascii_art(QEMUCursor *c, const char *prefix);
 196 int cursor_get_mono_bpl(QEMUCursor *c);
 197 void cursor_set_mono(QEMUCursor *c,
 198                      uint32_t foreground, uint32_t background, uint8_t *image,
 199                      int transparent, uint8_t *mask);
 200 void cursor_get_mono_image(QEMUCursor *c, int foreground, uint8_t *mask);
 201 void cursor_get_mono_mask(QEMUCursor *c, int transparent, uint8_t *mask);
 202
 203 typedef void *QEMUGLContext;
 204 typedef struct QEMUGLParams QEMUGLParams;
 205
 206 struct QEMUGLParams {
 207     int major_ver;
 208     int minor_ver;
 209 };
 210
 211 typedef struct QemuDmaBuf {
 212     int       fd;
 213     uint32_t  width;
 214     uint32_t  height;
 215     uint32_t  stride;
 216     uint32_t  fourcc;
 217     uint64_t  modifier;
 218     uint32_t  texture;
 219     uint32_t  x;
 220     uint32_t  y;
 221     uint32_t  backing_width;
 222     uint32_t  backing_height;
 223     bool      y0_top;
 224     void      *sync;
 225     int       fence_fd;
 226     bool      allow_fences;
 227     bool      draw_submitted;
 228 } QemuDmaBuf;
 229
 230 enum display_scanout {
 231     SCANOUT_NONE,
 232     SCANOUT_SURFACE,
 233     SCANOUT_TEXTURE,
 234     SCANOUT_DMABUF,
 235 };
 236
 237 typedef struct DisplayScanout {
 238     enum display_scanout kind;
 239     union {
 240         /* DisplaySurface *surface; is kept in QemuConsole */
 241         ScanoutTexture texture;
 242         QemuDmaBuf *dmabuf;
 243     };
 244 } DisplayScanout;
 245
 246 typedef struct DisplayState DisplayState;
 247 typedef struct DisplayGLCtx DisplayGLCtx;
 248
 249 typedef struct DisplayChangeListenerOps {
 250     const char *dpy_name;
 251
 252     /* optional */
 253     void (*dpy_refresh)(DisplayChangeListener *dcl);
 254
 255     /* optional */
 256     void (*dpy_gfx_update)(DisplayChangeListener *dcl,
 257                            int x, int y, int w, int h);
 258     /* optional */
 259     void (*dpy_gfx_switch)(DisplayChangeListener *dcl,
 260                            struct DisplaySurface *new_surface);
 261     /* optional */
 262     bool (*dpy_gfx_check_format)(DisplayChangeListener *dcl,
 263                                  pixman_format_code_t format);
 264
 265     /* optional */
 266     void (*dpy_text_cursor)(DisplayChangeListener *dcl,
 267                             int x, int y);
 268     /* optional */
 269     void (*dpy_text_resize)(DisplayChangeListener *dcl,
 270                             int w, int h);
 271     /* optional */
 272     void (*dpy_text_update)(DisplayChangeListener *dcl,
 273                             int x, int y, int w, int h);
 274
 275     /* optional */
 276     void (*dpy_mouse_set)(DisplayChangeListener *dcl,
 277                           int x, int y, int on);
 278     /* optional */
 279     void (*dpy_cursor_define)(DisplayChangeListener *dcl,
 280                               QEMUCursor *cursor);
 281
 282     /* required if GL */
 283     void (*dpy_gl_scanout_disable)(DisplayChangeListener *dcl);
 284     /* required if GL */
 285     void (*dpy_gl_scanout_texture)(DisplayChangeListener *dcl,
 286                                    uint32_t backing_id,
 287                                    bool backing_y_0_top,
 288                                    uint32_t backing_width,
 289                                    uint32_t backing_height,
 290                                    uint32_t x, uint32_t y,
 291                                    uint32_t w, uint32_t h,
 292                                    void *d3d_tex2d);
 293     /* optional (default to true if has dpy_gl_scanout_dmabuf) */
 294     bool (*dpy_has_dmabuf)(DisplayChangeListener *dcl);
 295     /* optional */
 296     void (*dpy_gl_scanout_dmabuf)(DisplayChangeListener *dcl,
 297                                   QemuDmaBuf *dmabuf);
 298     /* optional */
 299     void (*dpy_gl_cursor_dmabuf)(DisplayChangeListener *dcl,
 300                                  QemuDmaBuf *dmabuf, bool have_hot,
 301                                  uint32_t hot_x, uint32_t hot_y);
 302     /* optional */
 303     void (*dpy_gl_cursor_position)(DisplayChangeListener *dcl,
 304                                    uint32_t pos_x, uint32_t pos_y);
 305     /* optional */
 306     void (*dpy_gl_release_dmabuf)(DisplayChangeListener *dcl,
 307                                   QemuDmaBuf *dmabuf);
 308     /* required if GL */
 309     void (*dpy_gl_update)(DisplayChangeListener *dcl,
 310                           uint32_t x, uint32_t y, uint32_t w, uint32_t h);
 311
 312 } DisplayChangeListenerOps;
 313
 314 struct DisplayChangeListener {
 315     uint64_t update_interval;
 316     const DisplayChangeListenerOps *ops;
 317     DisplayState *ds;
 318     QemuConsole *con;
 319
 320     QLIST_ENTRY(DisplayChangeListener) next;
 321 };
 322
 323 typedef struct DisplayGLCtxOps {
 324     bool (*dpy_gl_ctx_is_compatible_dcl)(DisplayGLCtx *dgc,
 325                                          DisplayChangeListener *dcl);
 326     QEMUGLContext (*dpy_gl_ctx_create)(DisplayGLCtx *dgc,
 327                                        QEMUGLParams *params);
 328     void (*dpy_gl_ctx_destroy)(DisplayGLCtx *dgc,
 329                                QEMUGLContext ctx);
 330     int (*dpy_gl_ctx_make_current)(DisplayGLCtx *dgc,
 331                                    QEMUGLContext ctx);
 332     void (*dpy_gl_ctx_create_texture)(DisplayGLCtx *dgc,
 333                                       DisplaySurface *surface);
 334     void (*dpy_gl_ctx_destroy_texture)(DisplayGLCtx *dgc,
 335                                       DisplaySurface *surface);
 336     void (*dpy_gl_ctx_update_texture)(DisplayGLCtx *dgc,
 337                                       DisplaySurface *surface,
 338                                       int x, int y, int w, int h);
 339 } DisplayGLCtxOps;
 340
 341 struct DisplayGLCtx {
 342     const DisplayGLCtxOps *ops;
 343 #ifdef CONFIG_OPENGL
 344     QemuGLShader *gls; /* optional shared shader */
 345 #endif
 346 };
 347
 348 DisplayState *init_displaystate(void);
 349 DisplaySurface *qemu_create_displaysurface_from(int width, int height,
 350                                                 pixman_format_code_t format,
 351                                                 int linesize, uint8_t *data);
 352 DisplaySurface *qemu_create_displaysurface_pixman(pixman_image_t *image);
 353 DisplaySurface *qemu_create_placeholder_surface(int w, int h,
 354                                                 const char *msg);
 355 #ifdef WIN32
 356 void qemu_displaysurface_win32_set_handle(DisplaySurface *surface,
 357                                           HANDLE h, uint32_t offset);
 358 #endif
 359 PixelFormat qemu_default_pixelformat(int bpp);
 360
 361 DisplaySurface *qemu_create_displaysurface(int width, int height);
 362 void qemu_free_displaysurface(DisplaySurface *surface);
 363
 364 static inline int is_buffer_shared(DisplaySurface *surface)
 365 {
 366     return !(surface->flags & QEMU_ALLOCATED_FLAG);
 367 }
 368
 369 static inline int is_placeholder(DisplaySurface *surface)
 370 {
 371     return surface->flags & QEMU_PLACEHOLDER_FLAG;
 372 }
 373
 374 void register_displaychangelistener(DisplayChangeListener *dcl);
 375 void update_displaychangelistener(DisplayChangeListener *dcl,
 376                                   uint64_t interval);
 377 void unregister_displaychangelistener(DisplayChangeListener *dcl);
 378
 379 bool dpy_ui_info_supported(QemuConsole *con);
 380 const QemuUIInfo *dpy_get_ui_info(const QemuConsole *con);
 381 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info, bool delay);
 382
 383 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h);
 384 void dpy_gfx_update_full(QemuConsole *con);
 385 void dpy_gfx_replace_surface(QemuConsole *con,
 386                              DisplaySurface *surface);
 387 void dpy_text_cursor(QemuConsole *con, int x, int y);
 388 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h);
 389 void dpy_text_resize(QemuConsole *con, int w, int h);
 390 void dpy_mouse_set(QemuConsole *con, int x, int y, int on);
 391 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor);
 392 bool dpy_cursor_define_supported(QemuConsole *con);
 393 bool dpy_gfx_check_format(QemuConsole *con,
 394                           pixman_format_code_t format);
 395
 396 void dpy_gl_scanout_disable(QemuConsole *con);
 397 void dpy_gl_scanout_texture(QemuConsole *con,
 398                             uint32_t backing_id, bool backing_y_0_top,
 399                             uint32_t backing_width, uint32_t backing_height,
 400                             uint32_t x, uint32_t y, uint32_t w, uint32_t h,
 401                             void *d3d_tex2d);
 402 void dpy_gl_scanout_dmabuf(QemuConsole *con,
 403                            QemuDmaBuf *dmabuf);
 404 void dpy_gl_cursor_dmabuf(QemuConsole *con, QemuDmaBuf *dmabuf,
 405                           bool have_hot, uint32_t hot_x, uint32_t hot_y);
 406 void dpy_gl_cursor_position(QemuConsole *con,
 407                             uint32_t pos_x, uint32_t pos_y);
 408 void dpy_gl_release_dmabuf(QemuConsole *con,
 409                            QemuDmaBuf *dmabuf);
 410 void dpy_gl_update(QemuConsole *con,
 411                    uint32_t x, uint32_t y, uint32_t w, uint32_t h);
 412
 413 QEMUGLContext dpy_gl_ctx_create(QemuConsole *con,
 414                                 QEMUGLParams *params);
 415 void dpy_gl_ctx_destroy(QemuConsole *con, QEMUGLContext ctx);
 416 int dpy_gl_ctx_make_current(QemuConsole *con, QEMUGLContext ctx);
 417
 418 bool console_has_gl(QemuConsole *con);
 419
 420 static inline int surface_stride(DisplaySurface *s)
 421 {
 422     return pixman_image_get_stride(s->image);
 423 }
 424
 425 static inline void *surface_data(DisplaySurface *s)
 426 {
 427     return pixman_image_get_data(s->image);
 428 }
 429
 430 static inline int surface_width(DisplaySurface *s)
 431 {
 432     return pixman_image_get_width(s->image);
 433 }
 434
 435 static inline int surface_height(DisplaySurface *s)
 436 {
 437     return pixman_image_get_height(s->image);
 438 }
 439
 440 static inline int surface_bits_per_pixel(DisplaySurface *s)
 441 {
 442     int bits = PIXMAN_FORMAT_BPP(s->format);
 443     return bits;
 444 }
 445
 446 static inline int surface_bytes_per_pixel(DisplaySurface *s)
 447 {
 448     int bits = PIXMAN_FORMAT_BPP(s->format);
 449     return DIV_ROUND_UP(bits, 8);
 450 }
 451
 452 static inline pixman_format_code_t surface_format(DisplaySurface *s)
 453 {
 454     return s->format;
 455 }
 456
 457 typedef uint32_t console_ch_t;
 458
 459 static inline void console_write_ch(console_ch_t *dest, uint32_t ch)
 460 {
 461     *dest = ch;
 462 }
 463
 464 enum {
 465     GRAPHIC_FLAGS_NONE     = 0,
 466     /* require a console/display with GL callbacks */
 467     GRAPHIC_FLAGS_GL       = 1 << 0,
 468     /* require a console/display with DMABUF import */
 469     GRAPHIC_FLAGS_DMABUF   = 1 << 1,
 470 };
 471
 472 typedef struct GraphicHwOps {
 473     int (*get_flags)(void *opaque); /* optional, default 0 */
 474     void (*invalidate)(void *opaque);
 475     void (*gfx_update)(void *opaque);
 476     bool gfx_update_async; /* if true, calls graphic_hw_update_done() */
 477     void (*text_update)(void *opaque, console_ch_t *text);
 478     void (*ui_info)(void *opaque, uint32_t head, QemuUIInfo *info);
 479     void (*gl_block)(void *opaque, bool block);
 480 } GraphicHwOps;
 481
 482 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
 483                                   const GraphicHwOps *ops,
 484                                   void *opaque);
 485 void graphic_console_set_hwops(QemuConsole *con,
 486                                const GraphicHwOps *hw_ops,
 487                                void *opaque);
 488 void graphic_console_close(QemuConsole *con);
 489
 490 void graphic_hw_update(QemuConsole *con);
 491 void graphic_hw_update_done(QemuConsole *con);
 492 void graphic_hw_invalidate(QemuConsole *con);
 493 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata);
 494 void graphic_hw_gl_block(QemuConsole *con, bool block);
 495
 496 void qemu_console_early_init(void);
 497
 498 void qemu_console_set_display_gl_ctx(QemuConsole *con, DisplayGLCtx *ctx);
 499
 500 QemuConsole *qemu_console_lookup_by_index(unsigned int index);
 501 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head);
 502 QemuConsole *qemu_console_lookup_by_device_name(const char *device_id,
 503                                                 uint32_t head, Error **errp);
 504 QEMUCursor *qemu_console_get_cursor(QemuConsole *con);
 505 bool qemu_console_is_visible(QemuConsole *con);
 506 bool qemu_console_is_graphic(QemuConsole *con);
 507 bool qemu_console_is_fixedsize(QemuConsole *con);
 508 bool qemu_console_is_gl_blocked(QemuConsole *con);
 509 bool qemu_console_is_multihead(DeviceState *dev);
 510 char *qemu_console_get_label(QemuConsole *con);
 511 int qemu_console_get_index(QemuConsole *con);
 512 uint32_t qemu_console_get_head(QemuConsole *con);
 513 int qemu_console_get_width(QemuConsole *con, int fallback);
 514 int qemu_console_get_height(QemuConsole *con, int fallback);
 515 /* Return the low-level window id for the console */
 516 int qemu_console_get_window_id(QemuConsole *con);
 517 /* Set the low-level window id for the console */
 518 void qemu_console_set_window_id(QemuConsole *con, int window_id);
 519
 520 void console_select(unsigned int index);
 521 void qemu_console_resize(QemuConsole *con, int width, int height);
 522 DisplaySurface *qemu_console_surface(QemuConsole *con);
 523 void coroutine_fn qemu_console_co_wait_update(QemuConsole *con);
 524 int qemu_invalidate_text_consoles(void);
 525
 526 /* console-gl.c */
 527 #ifdef CONFIG_OPENGL
 528 bool console_gl_check_format(DisplayChangeListener *dcl,
 529                              pixman_format_code_t format);
 530 void surface_gl_create_texture(QemuGLShader *gls,
 531                                DisplaySurface *surface);
 532 void surface_gl_update_texture(QemuGLShader *gls,
 533                                DisplaySurface *surface,
 534                                int x, int y, int w, int h);
 535 void surface_gl_render_texture(QemuGLShader *gls,
 536                                DisplaySurface *surface);
 537 void surface_gl_destroy_texture(QemuGLShader *gls,
 538                                DisplaySurface *surface);
 539 void surface_gl_setup_viewport(QemuGLShader *gls,
 540                                DisplaySurface *surface,
 541                                int ww, int wh);
 542 #endif
 543
 544 typedef struct QemuDisplay QemuDisplay;
 545
 546 struct QemuDisplay {
 547     DisplayType type;
 548     void (*early_init)(DisplayOptions *opts);
 549     void (*init)(DisplayState *ds, DisplayOptions *opts);
 550 };
 551
 552 void qemu_display_register(QemuDisplay *ui);
 553 bool qemu_display_find_default(DisplayOptions *opts);
 554 void qemu_display_early_init(DisplayOptions *opts);
 555 void qemu_display_init(DisplayState *ds, DisplayOptions *opts);
 556 void qemu_display_help(void);
 557
 558 /* vnc.c */
 559 void vnc_display_init(const char *id, Error **errp);
 560 void vnc_display_open(const char *id, Error **errp);
 561 void vnc_display_add_client(const char *id, int csock, bool skipauth);
 562 int vnc_display_password(const char *id, const char *password);
 563 int vnc_display_pw_expire(const char *id, time_t expires);
 564 void vnc_parse(const char *str);
 565 int vnc_init_func(void *opaque, QemuOpts *opts, Error **errp);
 566 bool vnc_display_reload_certs(const char *id,  Error **errp);
 567 bool vnc_display_update(DisplayUpdateOptionsVNC *arg, Error **errp);
 568
 569 /* input.c */
 570 int index_from_key(const char *key, size_t key_length);
 571
 572 #ifdef CONFIG_LINUX
 573 /* udmabuf.c */
 574 int udmabuf_fd(void);
 575 #endif
 576
 577 /* util.c */
 578 bool qemu_console_fill_device_address(QemuConsole *con,
 579                                       char *device_address,
 580                                       size_t size,
 581                                       Error **errp);
 582
 583 #endif