| 1 | /* |
| 2 | * Copyright © 2013 Keith Packard |
| 3 | * |
| 4 | * Permission to use, copy, modify, distribute, and sell this software and its |
| 5 | * documentation for any purpose is hereby granted without fee, provided that |
| 6 | * the above copyright notice appear in all copies and that both that copyright |
| 7 | * notice and this permission notice appear in supporting documentation, and |
| 8 | * that the name of the copyright holders not be used in advertising or |
| 9 | * publicity pertaining to distribution of the software without specific, |
| 10 | * written prior permission. The copyright holders make no representations |
| 11 | * about the suitability of this software for any purpose. It is provided "as |
| 12 | * is" without express or implied warranty. |
| 13 | * |
| 14 | * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, |
| 15 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO |
| 16 | * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR |
| 17 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, |
| 18 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 19 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE |
| 20 | * OF THIS SOFTWARE. |
| 21 | */ |
| 22 | |
| 23 | #ifdef HAVE_XORG_CONFIG_H |
| 24 | #include <xorg-config.h> |
| 25 | #endif |
| 26 | |
| 27 | #include "dri3_priv.h" |
| 28 | |
| 29 | RESTYPE dri3_event_type; |
| 30 | |
| 31 | static int |
| 32 | dri3_free_event(pointer data, XID id) |
| 33 | { |
| 34 | dri3_event_ptr dri3_event = (dri3_event_ptr) data; |
| 35 | dri3_window_priv_ptr window_priv = dri3_window_priv(dri3_event->window); |
| 36 | dri3_event_ptr *previous, current; |
| 37 | |
| 38 | for (previous = &window_priv->events; (current = *previous); previous = ¤t->next) { |
| 39 | if (current == dri3_event) { |
| 40 | *previous = dri3_event->next; |
| 41 | break; |
| 42 | } |
| 43 | } |
| 44 | free((pointer) dri3_event); |
| 45 | return 1; |
| 46 | |
| 47 | } |
| 48 | |
| 49 | void |
| 50 | dri3_free_events(WindowPtr window) |
| 51 | { |
| 52 | dri3_window_priv_ptr window_priv = dri3_window_priv(window); |
| 53 | dri3_event_ptr event; |
| 54 | |
| 55 | if (!window_priv) |
| 56 | return; |
| 57 | |
| 58 | while ((event = window_priv->events)) |
| 59 | FreeResource(event->id, RT_NONE); |
| 60 | } |
| 61 | |
| 62 | static void |
| 63 | dri3_event_swap(xGenericEvent *from, xGenericEvent *to) |
| 64 | { |
| 65 | *to = *from; |
| 66 | swaps(&to->sequenceNumber); |
| 67 | swapl(&to->length); |
| 68 | swaps(&to->evtype); |
| 69 | switch (from->evtype) { |
| 70 | case DRI3_ConfigureNotify: { |
| 71 | xDRI3ConfigureNotify *c = (xDRI3ConfigureNotify *) to; |
| 72 | |
| 73 | swapl(&c->eid); |
| 74 | swapl(&c->window); |
| 75 | swaps(&c->x); |
| 76 | swaps(&c->y); |
| 77 | swaps(&c->width); |
| 78 | swaps(&c->height); |
| 79 | swaps(&c->off_x); |
| 80 | swaps(&c->off_y); |
| 81 | swaps(&c->pixmap_width); |
| 82 | swaps(&c->pixmap_height); |
| 83 | swapl(&c->pixmap_flags); |
| 84 | break; |
| 85 | } |
| 86 | } |
| 87 | } |
| 88 | |
| 89 | void |
| 90 | dri3_send_config_notify(WindowPtr window, int x, int y, int w, int h, int bw, WindowPtr sibling) |
| 91 | { |
| 92 | dri3_window_priv_ptr window_priv = dri3_window_priv(window); |
| 93 | |
| 94 | if (window_priv) { |
| 95 | xDRI3ConfigureNotify cn = { |
| 96 | .type = GenericEvent, |
| 97 | .extension = dri3_request, |
| 98 | .length = (sizeof(xDRI3ConfigureNotify) - 32) >> 2, |
| 99 | .evtype = DRI3_ConfigureNotify, |
| 100 | .eid = 0, |
| 101 | .window = window->drawable.id, |
| 102 | .x = x, |
| 103 | .y = y, |
| 104 | .width = w, |
| 105 | .height = h, |
| 106 | .off_x = 0, |
| 107 | .off_y = 0, |
| 108 | .pixmap_width = w, |
| 109 | .pixmap_height = h, |
| 110 | .pixmap_flags = 0 |
| 111 | }; |
| 112 | dri3_event_ptr event; |
| 113 | dri3_screen_priv_ptr screen_priv = dri3_screen_priv(window->drawable.pScreen); |
| 114 | |
| 115 | if (screen_priv->info && screen_priv->info->driver_config) |
| 116 | screen_priv->info->driver_config(window, &cn); |
| 117 | |
| 118 | for (event = window_priv->events; event; event = event->next) { |
| 119 | if (event->mask & (1 << DRI3ConfigureNotify)) { |
| 120 | cn.eid = event->id; |
| 121 | WriteEventsToClient(event->client, 1, (xEvent *) &cn); |
| 122 | } |
| 123 | } |
| 124 | } |
| 125 | } |
| 126 | |
| 127 | int |
| 128 | dri3_select_input(ClientPtr client, XID eid, WindowPtr window, CARD32 mask) |
| 129 | { |
| 130 | dri3_window_priv_ptr window_priv = dri3_window_priv(window); |
| 131 | dri3_event_ptr event; |
| 132 | |
| 133 | if (!window_priv) |
| 134 | return BadAlloc; |
| 135 | |
| 136 | event = calloc (1, sizeof (dri3_event_rec)); |
| 137 | if (!event) |
| 138 | return BadAlloc; |
| 139 | |
| 140 | event->client = client; |
| 141 | event->window = window; |
| 142 | event->id = eid; |
| 143 | event->mask = mask; |
| 144 | |
| 145 | event->next = window_priv->events; |
| 146 | window_priv->events = event; |
| 147 | |
| 148 | if (!AddResource(event->id, dri3_event_type, (pointer) event)) |
| 149 | return BadAlloc; |
| 150 | |
| 151 | return Success; |
| 152 | } |
| 153 | |
| 154 | Bool |
| 155 | dri3_event_init(void) |
| 156 | { |
| 157 | dri3_event_type = CreateNewResourceType(dri3_free_event, "DRI3Event"); |
| 158 | if (!dri3_event_type) |
| 159 | return FALSE; |
| 160 | |
| 161 | GERegisterExtension(dri3_request, dri3_event_swap); |
| 162 | return TRUE; |
| 163 | } |