| 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 | int dri3_request; |
| 30 | DevPrivateKeyRec dri3_screen_private_key; |
| 31 | DevPrivateKeyRec dri3_window_private_key; |
| 32 | |
| 33 | static Bool |
| 34 | dri3_close_screen(ScreenPtr screen) |
| 35 | { |
| 36 | dri3_screen_priv_ptr screen_priv = dri3_screen_priv(screen); |
| 37 | |
| 38 | unwrap(screen_priv, screen, CloseScreen); |
| 39 | |
| 40 | free(screen_priv); |
| 41 | return (*screen->CloseScreen) (screen); |
| 42 | } |
| 43 | |
| 44 | Bool |
| 45 | dri3_screen_init(ScreenPtr screen, dri3_screen_info_ptr info) |
| 46 | { |
| 47 | if (!dixRegisterPrivateKey(&dri3_screen_private_key, PRIVATE_SCREEN, 0)) |
| 48 | return FALSE; |
| 49 | |
| 50 | if (!dri3_screen_priv(screen)) { |
| 51 | dri3_screen_priv_ptr screen_priv = calloc(1, sizeof (dri3_screen_priv_rec)); |
| 52 | if (!screen_priv) |
| 53 | return FALSE; |
| 54 | |
| 55 | wrap(screen_priv, screen, CloseScreen, dri3_close_screen); |
| 56 | |
| 57 | screen_priv->info = info; |
| 58 | |
| 59 | dixSetPrivate(&screen->devPrivates, &dri3_screen_private_key, screen_priv); |
| 60 | } |
| 61 | |
| 62 | return TRUE; |
| 63 | } |
| 64 | |
| 65 | void |
| 66 | dri3_extension_init(void) |
| 67 | { |
| 68 | ExtensionEntry *extension; |
| 69 | int i; |
| 70 | |
| 71 | #ifdef PANORAMIX |
| 72 | if (!noPanoramiXExtension) |
| 73 | return; |
| 74 | #endif |
| 75 | |
| 76 | extension = AddExtension(DRI3_NAME, DRI3NumberEvents, DRI3NumberErrors, |
| 77 | proc_dri3_dispatch, sproc_dri3_dispatch, |
| 78 | NULL, StandardMinorOpcode); |
| 79 | if (!extension) |
| 80 | goto bail; |
| 81 | |
| 82 | dri3_request = extension->base; |
| 83 | |
| 84 | for (i = 0; i < screenInfo.numScreens; i++) { |
| 85 | if (!dri3_screen_init(screenInfo.screens[i], NULL)) |
| 86 | goto bail; |
| 87 | } |
| 88 | return; |
| 89 | |
| 90 | bail: |
| 91 | FatalError("Cannot initialize DRI3 extension"); |
| 92 | } |