From 3e98160feaf1c6154c9cb478ba7fc708599b2538 Mon Sep 17 00:00:00 2001
From: Santiago Gimeno <santiago.gimeno@quantion.es>
Date: Thu, 13 Mar 2014 13:24:37 +0100
Subject: [PATCH] Add GetCrtcInfo and fix in GetScreenResources

---
 lib/ext/randr.js | 34 +++++++++++++++++++++++++++++++++-
 1 file changed, 33 insertions(+), 1 deletion(-)

diff --git a/lib/ext/randr.js b/lib/ext/randr.js
index 6b6cddf..986fffb 100644
--- a/lib/ext/randr.js
+++ b/lib/ext/randr.js
@@ -179,7 +179,7 @@ exports.requireExt = function(display, callback)
                     format = Array(res[4] + 1).join('LSSLSSSSSSSSL');
                     res_modes = buf.unpack(format, pos);
                     pos +=  res[4] << 5;
-                    for (i = 0; i < res_modes[4]; i+= 13) {
+                    for (i = 0; i < res[4]; i+= 13) {
                         resources.modeinfos.push({
                             id : res_modes[i + 0],
                             width : res_modes[i + 1],
@@ -207,6 +207,38 @@ exports.requireExt = function(display, callback)
             X.pack_stream.flush();
         },
 
+        ext.GetCrtcInfo = function(crtc, configTs, cb) {
+            X.seq_num ++;
+            X.pack_stream.pack('CCSLL', [ext.majorOpcode, 20, 3, crtc, configTs ]);
+            X.replies[X.seq_num] = [
+                function(buf, opt) {
+                    var pos = 0;
+                    var res = buf.unpack('LssSSLSSSS');
+                    var info = {
+                        status : opt,
+                        timestamp : res[0],
+                        x : res[1],
+                        y : res[2],
+                        width : res[3],
+                        height : res[4],
+                        mode : res[5],
+                        rotation : res[6],
+                        rotations : res[7] 
+                    };
+
+                    pos += 24;
+                    var format = Array(res[8] + 1).join('L');
+                    info.output = buf.unpack(format, pos);
+                    format = Array(res[9] + 1).join('L');
+                    info.possible = buf.unpack(format, pos);
+                    return info;
+                },
+                cb
+            ];
+
+            X.pack_stream.flush();
+        },
+
         X.eventParsers[ext.firstEvent + ext.events.RRScreenChangeNotify] = function(type, seq, extra, code, raw) 
         {
 	    var event = {};