diff --git a/lib/ext/glxrender.js b/lib/ext/glxrender.js
index 014d544..17d4624 100644
--- a/lib/ext/glxrender.js
+++ b/lib/ext/glxrender.js
@@ -2,7 +2,7 @@
 
 var constants = require('./glxconstants');
 
-var MAX_SMALL_RENDER=65000;
+var MAX_SMALL_RENDER=65536-16;
 
 module.exports = function(GLX, ctx) {
     buffers = [];
@@ -10,14 +10,10 @@ module.exports = function(GLX, ctx) {
 
     function commandBuffer(opcode, len) {
         if (currentLength + len > MAX_SMALL_RENDER) {
-            console.log("Flushing buffer ", currentLength);
             render();
         }
         if (len > MAX_SMALL_RENDER)
-        {
-            throw Error('Buffer too big. Please implement RenderLarge request');
-            // renderLarge();
-        }
+            throw Error('Buffer too big. Make sure you are using RenderLarge for large commands');
 
         currentLength += len;
         var res = Buffer(len);
@@ -320,12 +316,20 @@ module.exports = function(GLX, ctx) {
 
           // bake sure buffer for glxRender request is emptied first 
           render();
-
+          
           var dataLen = res.length;
-          var maxSize = 65536*4 - 16 - 8;
+          var maxSize = 262124;
           var totalRequests = 1 + parseInt(dataLen / maxSize) - 1;
           if (dataLen % maxSize)
             totalRequests++;
+
+          // for some reason RenderLarge does not like everything to be sent in one go
+          // add one extra buffer request for small requests
+          if (dataLen < maxSize) {
+            GLX.RenderLarge(ctx, 1, 2, res);
+            GLX.RenderLarge(ctx, 2, 2, Buffer(0));
+            return;
+          }
        
           var pos = 0;
           var reqNum = 1;
@@ -340,7 +344,19 @@ module.exports = function(GLX, ctx) {
               reqNum++;
             }
           }
+          
         },
+     
+        ProgramString: function(target, format, src) {
+          serialize3i(target, format, src);
+          buffers.push(Buffer(src));
+        },
+
+        BindProgram: function(target, program) {
+          serialize2i(target, format, src);
+        },
+
+        
 
         TexCoord2f: function(x, y) {
             serialize2f(54, x, y);