diff --git a/lib/ext/glxrender.js b/lib/ext/glxrender.js
index f81f947..6eba8c7 100644
--- a/lib/ext/glxrender.js
+++ b/lib/ext/glxrender.js
@@ -101,6 +101,14 @@ module.exports = function(GLX, ctx) {
         buffers.push(res);
     }
 
+    function serialize3i(opcode, i1, i2, i3) {
+       var res = commandBuffer(opcode, 16);
+        res.writeUInt32LE(i1, 4);
+        res.writeUInt32LE(i2, 8);
+        res.writeUInt32LE(i3, 12);
+        buffers.push(res);
+    }
+
     function serialize2i1f(opcode, i1, i2, f1) {
        var res = commandBuffer(opcode, 16);
         res.writeUInt32LE(i1, 4);
@@ -109,6 +117,15 @@ module.exports = function(GLX, ctx) {
         buffers.push(res);
     }
 
+    function serialize2ifv(opcode, i1, i2, fv) {
+       var res = commandBuffer(opcode, 12 + fv.length*4);
+        res.writeUInt32LE(i1, 4);
+        res.writeUInt32LE(i2, 8);
+        for (var i=0; i < fv.length; ++i)
+          res.writeFloatLE(fv[i], 12+i*4);
+        buffers.push(res);
+    }
+
     function serialize2i4f(opcode, i1, i2, f1, f2, f3, f4) {
        var res = commandBuffer(opcode, 28);
         res.writeUInt32LE(i1, 4);
@@ -222,7 +239,7 @@ module.exports = function(GLX, ctx) {
             serialize2i(85, target, mode);
         },
         BindTexture: function(target, texture) {
-            serialize2i(4117, target, texture);
+           serialize2i(4117, target, texture);
         },
         TexEnvf: function(target, pname, param) {
             serialize2i1f(112, target, pname, param);
@@ -230,7 +247,66 @@ module.exports = function(GLX, ctx) {
         TexParameterf: function(target, pname, param) {
             serialize2i1f(105, target, pname, param);
         },
-        TexCoords2f: function(x, y) {
+        TexParameterfv: function(target, pname, param) {
+            serialize2ifv(106, target, pname, param);
+        },
+        TexParameteri: function(target, pname, param) {
+            serialize3i(107, target, pname, param);
+        },
+        TexImage2D: function(target, level, internalFormat, width, height, border, format, type, data) {
+
+          var typeSize = [];
+          typeSize[constants.FLOAT] = 4;
+          typeSize[constants.BYTE] = 1;
+          typeSize[constants.UNSIGNED_BYTE] = 1;
+
+          var res = commandBuffer(110, 56 + data.length*typeSize[type]);
+          res[4] = 0; // swapbytes
+          res[5] = 0; // lsbfirst
+          res.writeUInt16LE(0, 6);   // unused 
+
+	/*
+	defaults: (from http://stackoverflow.com/questions/21563590/glteximage2d-protocol-arguments?noredirect=1#comment32577251_21563590 )
+
+	GL_UNPACK_SWAP_BYTES        boolean   false           true or false
+	GL_UNPACK_LSB_FIRST         boolean   false           true or false
+	GL_UNPACK_ROW_LENGTH        integer   0               [0,oo)
+	GL_UNPACK_SKIP_ROWS         integer   0               [0,oo)
+	GL_UNPACK_SKIP_PIXELS       integer   0               [0,oo)
+	GL_UNPACK_ALIGNMENT         integer   4               1, 2, 4, or 8
+
+	*/
+
+          res.writeUInt32LE(0, 8);   // rowlength
+          res.writeUInt32LE(0, 12);  // skiprows
+          res.writeUInt32LE(0, 16);  // skippixels
+          res.writeUInt32LE(4, 20);  // alignment
+
+          res.writeUInt32LE(target, 24);
+          res.writeUInt32LE(level, 28);
+          res.writeUInt32LE(internalFormat, 32);
+          res.writeUInt32LE(width, 36);
+          res.writeUInt32LE(height, 40);
+          res.writeUInt32LE(border, 44);
+          res.writeUInt32LE(format, 48);
+          res.writeUInt32LE(type, 52);
+
+          switch(type) {
+          case constants.FLOAT:
+            for (var i=0; i < data.length; ++i)
+              res.writeFloatLE(data[i], 56+i*typeSize[type]);
+            break;
+          case constants.BYTE:
+          case constants.UNSIGNED_BYTE:
+            for (var i=0; i < data.length; ++i)
+              res[56+i] = data[i];
+            break;
+          default:
+            throw new Error('unsupported texture type:' + type);
+          }
+          buffers.push(res); 
+        },
+        TexCoord2f: function(x, y) {
             serialize2f(54, x, y);
         }
     };