diff --git a/SConstruct b/SConstruct
index 9f781309d..aef739e22 100644
--- a/SConstruct
+++ b/SConstruct
@@ -18,7 +18,7 @@ AddOption('--asan',
 cython_dependencies = [Value(v) for v in (sys.version, distutils.__version__, Cython.__version__)]
 Export('cython_dependencies')
 
-arch = subprocess.check_output(["uname", "-m"], encoding='utf8').rstrip()
+real_arch = arch = subprocess.check_output(["uname", "-m"], encoding='utf8').rstrip()
 if platform.system() == "Darwin":
   arch = "Darwin"
 if arch == "aarch64" and not os.path.isdir("/system"):
@@ -181,18 +181,7 @@ qt_env = None
 if arch in ["x86_64", "Darwin", "larch64"]:
   qt_env = env.Clone()
 
-  if arch == "larch64":
-    qt_env['QTDIR'] = "/usr/local/Qt-5.15.0"
-    QT_BASE = "/usr/local/Qt-5.15.0/"
-    qt_dirs = [
-      QT_BASE + "include/",
-      QT_BASE + "include/QtWidgets",
-      QT_BASE + "include/QtGui",
-      QT_BASE + "include/QtCore",
-      QT_BASE + "include/QtDBus",
-    ]
-    qt_env["RPATH"] += [QT_BASE + "lib"]
-  elif arch == "Darwin":
+  if arch == "Darwin":
     qt_env['QTDIR'] = "/usr/local/opt/qt"
     QT_BASE = "/usr/local/opt/qt/"
     qt_dirs = [
@@ -205,11 +194,11 @@ if arch in ["x86_64", "Darwin", "larch64"]:
     qt_env["LINKFLAGS"] += ["-F" + QT_BASE + "lib"]
   else:
     qt_dirs = [
-      f"/usr/include/{arch}-linux-gnu/qt5",
-      f"/usr/include/{arch}-linux-gnu/qt5/QtWidgets",
-      f"/usr/include/{arch}-linux-gnu/qt5/QtGui",
-      f"/usr/include/{arch}-linux-gnu/qt5/QtCore",
-      f"/usr/include/{arch}-linux-gnu/qt5/QtDBus",
+      f"/usr/include/{real_arch}-linux-gnu/qt5",
+      f"/usr/include/{real_arch}-linux-gnu/qt5/QtWidgets",
+      f"/usr/include/{real_arch}-linux-gnu/qt5/QtGui",
+      f"/usr/include/{real_arch}-linux-gnu/qt5/QtCore",
+      f"/usr/include/{real_arch}-linux-gnu/qt5/QtDBus",
     ]
 
   qt_env.Tool('qt')
@@ -309,12 +298,11 @@ SConscript(['selfdrive/loggerd/SConscript'])
 SConscript(['selfdrive/locationd/SConscript'])
 SConscript(['selfdrive/locationd/models/SConscript'])
 SConscript(['selfdrive/sensord/SConscript'])
+SConscript(['selfdrive/ui/SConscript'])
 
 if arch != "Darwin":
   SConscript(['selfdrive/logcatd/SConscript'])
 
-if arch != "larch64":
-  SConscript(['selfdrive/ui/SConscript'])
 
 if arch == "x86_64":
   SConscript(['tools/lib/index_log/SConscript'])
diff --git a/selfdrive/ui/paint.cc b/selfdrive/ui/paint.cc
index 3a08192b4..f848b0fe5 100644
--- a/selfdrive/ui/paint.cc
+++ b/selfdrive/ui/paint.cc
@@ -256,11 +256,11 @@ static void draw_frame(UIState *s) {
     glBindTexture(GL_TEXTURE_2D, s->frame_front_texs[s->cur_vision_front_idx]);
   } else if (!scene->frontview && s->cur_vision_idx >= 0) {
     glBindTexture(GL_TEXTURE_2D, s->frame_texs[s->cur_vision_idx]);
-    #ifndef QCOM
-      // TODO: a better way to do this?
-      //printf("%d\n", ((int*)s->priv_hnds[s->cur_vision_idx])[0]);
-      glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 1164, 874, 0, GL_RGB, GL_UNSIGNED_BYTE, s->priv_hnds[s->cur_vision_idx]);
-    #endif
+
+    // TODO: a better way to do this?
+#ifndef QCOM
+    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, s->rgb_width, s->rgb_height, 0, GL_RGB, GL_UNSIGNED_BYTE, s->priv_hnds[s->cur_vision_idx]);
+#endif
   }
 
   glUseProgram(s->frame_program);
@@ -690,9 +690,12 @@ void ui_draw_rect(NVGcontext *vg, float x, float y, float w, float h, NVGpaint &
   nvgFill(vg);
 }
 
-#ifdef NANOVG_GL3_IMPLEMENTATION
 static const char frame_vertex_shader[] =
+#ifdef NANOVG_GL3_IMPLEMENTATION
   "#version 150 core\n"
+#else
+  "#version 300 es\n"
+#endif
   "in vec4 aPosition;\n"
   "in vec4 aTexCoord;\n"
   "uniform mat4 uTransform;\n"
@@ -703,7 +706,11 @@ static const char frame_vertex_shader[] =
   "}\n";
 
 static const char frame_fragment_shader[] =
+#ifdef NANOVG_GL3_IMPLEMENTATION
   "#version 150 core\n"
+#else
+  "#version 300 es\n"
+#endif
   "precision mediump float;\n"
   "uniform sampler2D uTexture;\n"
   "in vec4 vTexCoord;\n"
@@ -711,25 +718,6 @@ static const char frame_fragment_shader[] =
   "void main() {\n"
   "  colorOut = texture(uTexture, vTexCoord.xy);\n"
   "}\n";
-#else
-static const char frame_vertex_shader[] =
-  "attribute vec4 aPosition;\n"
-  "attribute vec4 aTexCoord;\n"
-  "uniform mat4 uTransform;\n"
-  "varying vec4 vTexCoord;\n"
-  "void main() {\n"
-  "  gl_Position = uTransform * aPosition;\n"
-  "  vTexCoord = aTexCoord;\n"
-  "}\n";
-
-static const char frame_fragment_shader[] =
-  "precision mediump float;\n"
-  "uniform sampler2D uTexture;\n"
-  "varying vec4 vTexCoord;\n"
-  "void main() {\n"
-  "  gl_FragColor = texture2D(uTexture, vTexCoord.xy);\n"
-  "}\n";
-#endif
 
 static const mat4 device_transform = {{
   1.0,  0.0, 0.0, 0.0,
diff --git a/selfdrive/ui/qt/ui.cc b/selfdrive/ui/qt/ui.cc
index 9319227d4..4a01b9ac5 100644
--- a/selfdrive/ui/qt/ui.cc
+++ b/selfdrive/ui/qt/ui.cc
@@ -16,8 +16,12 @@ int main(int argc, char *argv[]) {
   QApplication a(argc, argv);
 
   MainWindow w;
+#ifdef QCOM2
+  w.showFullScreen();
+#else
   w.setFixedSize(vwp_w, vwp_h);
   w.show();
+#endif
 
   return a.exec();
 }