initial drvmodel code

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);
+}