src/lib/ecore_x/xcb/ecore_xcb_present.c

   1 #include "ecore_xcb_private.h"
   2 # ifdef ECORE_XCB_XPRESENT
   3 #  include <xcb/present.h>
   4 # endif
   5
   6 /* local variables */
   7 static Eina_Bool _xpresent_avail = EINA_FALSE;
   8
   9 /* external variables */
  10 int _ecore_xcb_event_xpresent = -1;
  11
  12 void
  13 _ecore_xcb_xpresent_init(void)
  14 {
  15    LOGFN(__FILE__, __LINE__, __FUNCTION__);
  16
  17 #ifdef ECORE_XCB_XPRESENT
  18    xcb_prefetch_extension_data(_ecore_xcb_conn, &xcb_present_id);
  19 #endif
  20 }
  21
  22 void
  23 _ecore_xcb_xpresent_finalize(void)
  24 {
  25 #ifdef ECORE_XCB_XPRESENT
  26    const xcb_query_extension_reply_t *ext_reply;
  27 #endif
  28
  29    LOGFN(__FILE__, __LINE__, __FUNCTION__);
  30
  31 #ifdef ECORE_XCB_XPRESENT
  32    ext_reply = xcb_get_extension_data(_ecore_xcb_conn, &xcb_present_id);
  33    if ((ext_reply) && (ext_reply->present))
  34      {
  35         xcb_present_query_version_cookie_t cookie;
  36         xcb_present_query_version_reply_t *reply;
  37
  38         cookie =
  39           xcb_present_query_version_unchecked(_ecore_xcb_conn,
  40                                              XCB_PRESENT_MAJOR_VERSION,
  41                                              XCB_PRESENT_MINOR_VERSION);
  42         reply = xcb_present_query_version_reply(_ecore_xcb_conn, cookie, NULL);
  43         if (reply)
  44           {
  45                 _xpresent_avail = EINA_TRUE;
  46                 free(reply);
  47           }
  48
  49         if (_xpresent_avail)
  50           _ecore_xcb_event_xpresent = ext_reply->first_event;
  51      }
  52 #endif
  53 }
  54
  55 #ifdef ECORE_XCB_XPRESENT
  56 #define SET(X) e->X = ev->X
  57
  58 static void
  59 _present_configure(xcb_present_configure_notify_event_t *ev)
  60 {
  61    Ecore_X_Event_Present_Configure *e;
  62
  63    e = calloc(1, sizeof(Ecore_X_Event_Present_Configure));
  64    if (!e) return;
  65
  66    e->win = ev->window;
  67    SET(x), SET(y);
  68    SET(width), SET(height);
  69    SET(off_x), SET(off_y);
  70    SET(pixmap_width), SET(pixmap_height);
  71    SET(pixmap_flags);
  72
  73    ecore_event_add(ECORE_X_EVENT_PRESENT_CONFIGURE, e, NULL, NULL);
  74 }
  75
  76 static void
  77 _present_complete(xcb_present_complete_notify_event_t *ev)
  78 {
  79    unsigned int mode[] =
  80    {
  81     [XCB_PRESENT_COMPLETE_MODE_COPY] = ECORE_X_PRESENT_COMPLETE_MODE_COPY,
  82     [XCB_PRESENT_COMPLETE_MODE_FLIP] = ECORE_X_PRESENT_COMPLETE_MODE_FLIP,
  83     [XCB_PRESENT_COMPLETE_MODE_SKIP] = ECORE_X_PRESENT_COMPLETE_MODE_SKIP,
  84    };
  85    Ecore_X_Event_Present_Complete *e;
  86
  87    e = calloc(1, sizeof(Ecore_X_Event_Present_Complete));
  88    if (!e) return;
  89
  90    e->win = ev->window;
  91    SET(serial);
  92    SET(ust), SET(msc);
  93    e->kind = (ev->kind == XCB_PRESENT_COMPLETE_KIND_NOTIFY_MSC);
  94    e->mode = mode[ev->mode];
  95    ecore_event_add(ECORE_X_EVENT_PRESENT_COMPLETE, e, NULL, NULL);
  96 }
  97
  98 static void
  99 _present_idle(xcb_present_idle_notify_event_t *ev)
 100 {
 101    Ecore_X_Event_Present_Idle *e;
 102
 103    e = calloc(1, sizeof(Ecore_X_Event_Present_Idle));
 104    if (!e) return;
 105
 106    e->win = ev->window;
 107    SET(serial);
 108    SET(pixmap);
 109    SET(idle_fence);
 110    ecore_event_add(ECORE_X_EVENT_PRESENT_IDLE, e, NULL, NULL);
 111 }
 112 #undef SET
 113
 114 void
 115 _ecore_xcb_event_handle_present_event(xcb_ge_event_t *ev)
 116 {
 117    switch (ev->event_type)
 118      {
 119       case XCB_PRESENT_EVENT_CONFIGURE_NOTIFY:
 120         _present_configure((xcb_present_configure_notify_event_t*)(long)ev->pad1);
 121         break;
 122       case XCB_PRESENT_EVENT_COMPLETE_NOTIFY:
 123         _present_complete((xcb_present_complete_notify_event_t*)(long)ev->pad1);
 124         break;
 125       case XCB_PRESENT_EVENT_IDLE_NOTIFY:
 126         _present_idle((xcb_present_idle_notify_event_t*)(long)ev->pad1);
 127         break;
 128       default: break;
 129      }
 130 }
 131 #endif
 132
 133
 134 EAPI void
 135 ecore_x_present_select_events(Ecore_X_Window win, unsigned int events)
 136 {
 137    LOGFN(__FILE__, __LINE__, __FUNCTION__);
 138 #ifdef ECORE_XCB_XPRESENT
 139    CHECK_XCB_CONN;
 140    xcb_present_select_input(_ecore_xcb_conn, _ecore_xcb_event_xpresent, win, events);
 141 #else
 142    (void)win;
 143    (void)events;
 144 #endif
 145 }
 146
 147 EAPI void
 148 ecore_x_present_notify_msc(Ecore_X_Window win, unsigned int serial, unsigned long long target_msc, unsigned long long divisor, unsigned long long remainder)
 149 {
 150    LOGFN(__FILE__, __LINE__, __FUNCTION__);
 151 #ifdef ECORE_XCB_XPRESENT
 152    CHECK_XCB_CONN;
 153    xcb_present_notify_msc(_ecore_xcb_conn, win, serial, target_msc, divisor, remainder);
 154 #else
 155    (void)win;
 156    (void)serial;
 157    (void)target_msc;
 158    (void)divisor;
 159    (void)remainder;
 160 #endif
 161 }
 162
 163 EAPI void
 164 ecore_x_present_pixmap(Ecore_X_Window win, Ecore_X_Pixmap pixmap, unsigned int serial, Ecore_X_Region valid,
 165                        Ecore_X_Region update, int x_off, int y_off, Ecore_X_Randr_Crtc target_crtc,
 166                        Ecore_X_Sync_Fence wait_fence, Ecore_X_Sync_Fence idle_fence, unsigned int options,
 167                        unsigned long long target_msc, unsigned long long divisor, unsigned long long remainder,
 168                        Ecore_X_Present *notifies, int num_notifies)
 169 {
 170    LOGFN(__FILE__, __LINE__, __FUNCTION__);
 171 #ifdef ECORE_XCB_XPRESENT
 172    CHECK_XCB_CONN;
 173    xcb_present_pixmap(_ecore_xcb_conn, win, pixmap, serial, valid, update,
 174                   x_off, y_off, target_crtc, wait_fence, idle_fence, options, target_msc,
 175                   divisor, remainder, num_notifies, (xcb_present_notify_t*)notifies);
 176 #else
 177    (void)win;
 178    (void)pixmap;
 179    (void)serial;
 180    (void)valid;
 181    (void)update;
 182    (void)x_off;
 183    (void)y_off;
 184    (void)target_crtc;
 185    (void)wait_fence;
 186    (void)idle_fence;
 187    (void)options;
 188    (void)target_msc;
 189    (void)divisor;
 190    (void)remainder;
 191    (void)notifies;
 192    (void)num_notifies;
 193 #endif
 194 }
 195
 196 EAPI Eina_Bool
 197 ecore_x_present_exists(void)
 198 {
 199    return _xpresent_avail;
 200 }