diff options
| -rw-r--r-- | include/X11/extensions/Xrandr.h | 27 | ||||
| -rw-r--r-- | src/Makefile.am | 3 | ||||
| -rw-r--r-- | src/XrrProvider.c | 142 |
3 files changed, 171 insertions, 1 deletions
diff --git a/include/X11/extensions/Xrandr.h b/include/X11/extensions/Xrandr.h index 6b756a7..8216bd3 100644 --- a/include/X11/extensions/Xrandr.h +++ b/include/X11/extensions/Xrandr.h @@ -39,6 +39,8 @@ _XFUNCPROTOBEGIN typedef XID RROutput; typedef XID RRCrtc; typedef XID RRMode; +typedef XID RRProvider; +//typedef XID RRProviderScreen; typedef struct { int width, height; @@ -451,6 +453,31 @@ RROutput XRRGetOutputPrimary(Display *dpy, Window window); +typedef struct _XRRProviderResources { + Time timestamp; + int nproviders; + RRProvider *providers; +} XRRProviderResources; + +XRRProviderResources * +XRRGetProviderResources(Display *dpy, Window window); + +void +XRRFreeProviderResources(XRRProviderResources *resources); + +typedef struct _XRRProviderInfo { + unsigned int current_role; + unsigned int allowed_roles; + int ncrtcs; + int noutputs; +} XRRProviderInfo; + +XRRProviderInfo * +XRRGetProviderInfo(Display *dpy, XID provider); + +void +XRRFreeProviderInfo(XRRProviderInfo *provider); + _XFUNCPROTOEND #endif /* _XRANDR_H_ */ diff --git a/src/Makefile.am b/src/Makefile.am index 85b05da..0c4865d 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -8,7 +8,8 @@ libXrandr_la_SOURCES = \ XrrMode.c \ XrrOutput.c \ XrrProperty.c \ - XrrScreen.c + XrrScreen.c \ + XrrProvider.c libXrandr_la_LIBADD = @RANDR_LIBS@ diff --git a/src/XrrProvider.c b/src/XrrProvider.c new file mode 100644 index 0000000..5a264ee --- /dev/null +++ b/src/XrrProvider.c @@ -0,0 +1,142 @@ +/* + * Copyright © 2011 Dave Airlie + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that copyright + * notice and this permission notice appear in supporting documentation, and + * that the name of the copyright holders not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. The copyright holders make no representations + * about the suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE + * OF THIS SOFTWARE. + */ + + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <stdio.h> +#include <X11/Xlib.h> +/* we need to be able to manipulate the Display structure on events */ +#include <X11/Xlibint.h> +#include <X11/extensions/render.h> +#include <X11/extensions/Xrender.h> +#include "Xrandrint.h" + +XRRProviderResources * +XRRGetProviderResources(Display *dpy, Window window) +{ + XExtDisplayInfo *info = XRRFindDisplay(dpy); + xRRGetProvidersReply rep; + xRRGetProvidersReq *req; + XRRProviderResources *xrpr; + long nbytes, nbytesRead; + int rbytes; + + RRCheckExtension (dpy, info, NULL); + + LockDisplay (dpy); + + GetReq(RRGetProviders, req); + req->reqType = info->codes->major_opcode; + req->randrReqType = X_RRGetProviders; + req->window = window; + + if (!_XReply (dpy, (xReply *) &rep, 0, xFalse)) + { + UnlockDisplay (dpy); + SyncHandle (); + return NULL; + } + + nbytes = (long) rep.length << 2; + + nbytesRead = (long) (rep.nProviders * 4); + + rbytes = (sizeof(XRRProviderResources) + rep.nProviders * sizeof(RRProvider)); + xrpr = (XRRProviderResources *) Xmalloc(rbytes); + + if (xrpr == NULL) { + _XEatData (dpy, (unsigned long) nbytes); + UnlockDisplay (dpy); + SyncHandle (); + return NULL; + } + + xrpr->timestamp = rep.timestamp; + xrpr->nproviders = rep.nProviders; + + xrpr->providers = (RRProvider *)(xrpr + 1); + + _XRead32(dpy, xrpr->providers, rep.nProviders << 2); + + if (nbytes > nbytesRead) + _XEatData (dpy, (unsigned long) (nbytes - nbytesRead)); + + + UnlockDisplay (dpy); + SyncHandle(); + + return (XRRProviderResources *) xrpr; +} + + +XRRProviderInfo * +XRRGetProviderInfo(Display *dpy, XID provider) +{ + XExtDisplayInfo *info = XRRFindDisplay(dpy); + xRRGetProviderInfoReply rep; + xRRGetProviderInfoReq *req; + int nbytes, nbytesRead, rbytes; + XRRProviderInfo *xpi; + + RRCheckExtension (dpy, info, NULL); + + LockDisplay (dpy); + GetReq (RRGetProviderInfo, req); + req->reqType = info->codes->major_opcode; + req->randrReqType = X_RRGetProviderInfo; + req->provider = provider; + + + if (!_XReply (dpy, (xReply *) &rep, 0, xFalse)) + { + UnlockDisplay (dpy); + SyncHandle (); + return NULL; + } + + nbytes = (long) rep.length << 2; + + xpi = (XRRProviderInfo *)Xmalloc(rbytes); + if (xpi == NULL) { + _XEatData (dpy, (unsigned long) nbytes); + UnlockDisplay (dpy); + SyncHandle (); + return NULL; + } + + xpi->allowed_roles = rep.allowed_roles; + xpi->current_role = rep.current_role; + xpi->ncrtcs = rep.nCrtcs; + xpi->noutputs = rep.nOutputs; + UnlockDisplay (dpy); + SyncHandle (); + return (XRRProviderInfo *) xpi; +} + +void +XRRFreeProviderInfo(XRRProviderInfo *provider) +{ + free(provider); +} |