diff --git a/client/webgl_draw.js b/client/webgl_draw.js
index 143469a..f99cc85 100644
--- a/client/webgl_draw.js
+++ b/client/webgl_draw.js
@@ -23,7 +23,29 @@ function upload_if_needed(gl, buffer_kind, serializer) {
         serializer.gpu_upload_from = serializer.offset;
     }
 }
+function upload_square_rgba16ui_texture(gl, serializer, texture_size) {
+    // TODO: only subupload what's needed
+    const bpp = 2 * 4;
+    const data_size = serializer.offset;
+    const data_pixels = data_size / bpp; // data_size % bpp is expected to always be zero here
+    const rows = Math.ceil(data_pixels / texture_size);
+    const last_row = data_pixels % texture_size;
+    const whole_upload = (rows - 1) * texture_size * bpp;
+
+    // Upload whole rows
+    if (rows > 1) {
+        gl.texSubImage2D(gl.TEXTURE_2D, 0, 0, 0, texture_size, rows - 1, gl.RGBA_INTEGER, gl.UNSIGNED_SHORT, new Uint16Array(serializer.buffer, 0, whole_upload / 2));
+    }
+
+    // Upload last row
+    if (last_row > 0) {        
+        const last_row_upload = last_row * bpp;
+        gl.texSubImage2D(gl.TEXTURE_2D, 0, 0, rows - 1, last_row, 1, gl.RGBA_INTEGER, gl.UNSIGNED_SHORT, new Uint16Array(serializer.buffer, whole_upload, last_row_upload / 2));
+    }
+}
 
+/*
+ PLS FIX ME
 function upload_square_rgba16ui_texture(gl, serializer, texture_size) {
     const bpp = 2 * 4;
     const data_size = serializer.offset - serializer.gpu_upload_from;
@@ -66,6 +88,7 @@ function upload_square_rgba16ui_texture(gl, serializer, texture_size) {
 
     serializer.gpu_upload_from = serializer.offset;
 }
+*/
 
 function draw_html(state) {
     // HUD-like things. Player cursors, screens