diff --git a/lib/ext/glx.js b/lib/ext/glx.js
index c9b1869..63d3c05 100644
--- a/lib/ext/glx.js
+++ b/lib/ext/glx.js
@@ -156,6 +156,34 @@ exports.requireExt = function(display, callback)
             X.pack_stream.flush();
         }
 
+        ext.GenTextures = function(ctx, count, callback)
+        {
+            X.seq_num++;
+            X.pack_stream.pack('CCSLL', [ext.majorOpcode, 145, 3, ctx, count]);
+            X.replies[X.seq_num] = [
+                function(buf, opt) {
+                    var format = Buffer(count);
+                    format.fill('L');
+                    return buf.unpack(format.toString());
+                },
+                callback
+            ];
+            X.pack_stream.flush();
+        }
+
+        ext.IsTexture = function(ctx, texture, callback)
+        {
+            X.seq_num++;
+            X.pack_stream.pack('CCSLL', [ext.majorOpcode, 146, 3, ctx, texture]);
+            X.replies[X.seq_num] = [
+                function(buf, opt) {
+                    return buf.unpack('CCCCCCCCCCCCCCCCCCCCCCCCCC');
+                },
+                callback
+            ];
+            X.pack_stream.flush();
+        }
+
         ext.MakeCurrent = function(drawable, ctx, oldctx, callback)
         {
             X.seq_num++;
diff --git a/lib/ext/glxrender.js b/lib/ext/glxrender.js
index c30fbf1..f81f947 100644
--- a/lib/ext/glxrender.js
+++ b/lib/ext/glxrender.js
@@ -87,6 +87,13 @@ module.exports = function(GLX, ctx) {
         buffers.push(res);
     }
 
+    function serialize2f(opcode, f1, f2) {
+       var res = commandBuffer(opcode, 12);
+        res.writeFloatLE(f1, 4);
+        res.writeFloatLE(f2, 8);
+        buffers.push(res);
+    }
+
     function serialize2i(opcode, i1, i2) {
        var res = commandBuffer(opcode, 12);
         res.writeUInt32LE(i1, 4);
@@ -94,6 +101,14 @@ module.exports = function(GLX, ctx) {
         buffers.push(res);
     }
 
+    function serialize2i1f(opcode, i1, i2, f1) {
+       var res = commandBuffer(opcode, 16);
+        res.writeUInt32LE(i1, 4);
+        res.writeUInt32LE(i2, 8);
+        res.writeFloatLE(f1, 12);
+        buffers.push(res);
+    }
+
     function serialize2i4f(opcode, i1, i2, f1, f2, f3, f4) {
        var res = commandBuffer(opcode, 28);
         res.writeUInt32LE(i1, 4);
@@ -205,6 +220,18 @@ module.exports = function(GLX, ctx) {
         },
         Hint: function(target, mode) {
             serialize2i(85, target, mode);
+        },
+        BindTexture: function(target, texture) {
+            serialize2i(4117, target, texture);
+        },
+        TexEnvf: function(target, pname, param) {
+            serialize2i1f(112, target, pname, param);
+        },
+        TexParameterf: function(target, pname, param) {
+            serialize2i1f(105, target, pname, param);
+        },
+        TexCoords2f: function(x, y) {
+            serialize2f(54, x, y);
         }
     };
 
@@ -213,7 +240,7 @@ module.exports = function(GLX, ctx) {
         renderContext[c] = constants[c];
 
     // bind some glx functions
-    'NewList EndList GenLists SwapBuffers Finish'.split(' ').forEach(function(name) {
+    'NewList EndList GenLists GenTextures IsTexture SwapBuffers Finish'.split(' ').forEach(function(name) {
         // todo: small camelCase ? to be consistent with webgl api
         //renderContext[name] = GLX[name].bind(GLX, ctx);