RemoteDesktop: support 16 bits color space

RemoteDesktop/javascript/decoder_asm.js

@@ -11,19 +11,20 @@
     return api = {
       createBuffer: Module.cwrap('create_buffer', 'number', ['number', 'number']),
       destroyBuffer: Module.cwrap('destroy_buffer', '', ['number']),
-      updateBuffer: Module.cwrap("update", 'number', ['number', 'number', 'number', 'number', 'number', 'number']),
-      decodeBuffer: Module.cwrap("decode", 'number', ['number', 'number', 'number', 'number'])
+      updateBuffer: Module.cwrap("update", 'number', ['number', 'number', 'number', 'number', 'number']),
+      decodeBuffer: Module.cwrap("decode", 'number', ['number', 'number', 'number'])
     };
   };
 
   wasm_update = function(msg) {
-    var datain, dataout, flag, h, p, po, size, tmp, w, x, y;
+    var bbp, datain, dataout, flag, h, p, po, size, tmp, w, x, y;
     datain = new Uint8Array(msg);
     x = datain[1] | (datain[2] << 8);
     y = datain[3] | (datain[4] << 8);
     w = datain[5] | (datain[6] << 8);
     h = datain[7] | (datain[8] << 8);
-    flag = datain[9];
+    flag = datain[9] & 0x01;
+    bbp = datain[9] & 0xFE;
     msg = {};
     msg.pixels = void 0;
     msg.x = x;
@@ -31,13 +32,10 @@
     msg.w = w;
     msg.h = h;
     size = w * h * 4;
-    tmp = new Uint8Array(size);
-    if (flag === 0) {
-      tmp.set(datain.subarray(10), 0);
-      msg.pixels = tmp.buffer;
-      postMessage(msg, [msg.pixels]);
+    if (size === 0) {
       return;
     }
+    tmp = new Uint8Array(size);
     p = api.createBuffer(datain.length);
     Module.HEAP8.set(datain, p);
     po = api.decodeBuffer(p, datain.length, size);
@@ -45,12 +43,14 @@
     tmp.set(dataout, 0);
     msg.pixels = tmp.buffer;
     postMessage(msg, [msg.pixels]);
-    api.destroyBuffer(po);
-    return api.destroyBuffer(p);
+    api.destroyBuffer(p);
+    if (flag !== 0x0 || bbp !== 32) {
+      return api.destroyBuffer(po);
+    }
   };
 
   onmessage = function(e) {
-    if (e.data.depth) {
+    if (e.data.width) {
       return resolution = e.data;
     } else {
       return wasm_update(e.data);