diff --git a/direct/src/showbase/PythonUtil.py b/direct/src/showbase/PythonUtil.py
index 1bcade4031..974ab34537 100644
--- a/direct/src/showbase/PythonUtil.py
+++ b/direct/src/showbase/PythonUtil.py
@@ -52,7 +52,6 @@ import __builtin__
 from StringIO import StringIO
 import marshal
 import ElementTree as ET
-from HTMLParser import HTMLParser
 import BpDb
 import unicodedata
 import bisect
@@ -4201,75 +4200,6 @@ if __debug__ and __name__ == '__main__':
     assert unescapeHtmlString('as%32df') == 'as2df'
     assert unescapeHtmlString('asdf%32') == 'asdf2'
 
-class HTMLStringToElements(HTMLParser):
-    def __init__(self, str, *a, **kw):
-        self._elements = []
-        self._elementStack = Stack()
-        HTMLParser.__init__(self, *a, **kw)
-        self.feed(str)
-        self.close()
-
-    def getElements(self):
-        return self._elements
-        
-    def _handleNewElement(self, element):
-        if len(self._elementStack):
-            self._elementStack.top().append(element)
-        else:
-            self._elements.append(element)
-        self._elementStack.push(element)
-
-    def handle_starttag(self, tag, attrs):
-        kwArgs = {}
-        for name, value in attrs:
-            kwArgs[name] = value
-        el = ET.Element(tag, **kwArgs)
-        self._handleNewElement(el)
-
-    def handle_data(self, data):
-        # this ignores text outside of a tag
-        if len(self._elementStack):
-            self._elementStack.top().text = data
-
-    def handle_endtag(self, tag):
-        top = self._elementStack.top()
-        if len(top.getchildren()) == 0:
-            # insert a comment to prevent ElementTree from using <... /> convention
-            # force it to create a tag closer a la </tag>
-            # prevents problems in certain browsers
-            if top.tag == 'script' and top.get('type') == 'text/javascript':
-                if top.text == None:
-                    top.text = '// force tag closer'
-            else:
-                self.handle_comment('force tag closer')
-                self._elementStack.pop()
-        self._elementStack.pop()
-
-    def handle_comment(self, data):
-        comment = ET.Comment(data)
-        self._handleNewElement(comment)
-
-def str2elements(str):
-    return HTMLStringToElements(str).getElements()
-
-if __debug__ and __name__ == '__main__':
-    s = ScratchPad()
-    assert len(str2elements('')) == 0
-    s.br = str2elements('<br>')
-    assert len(s.br) == 1
-    assert s.br[0].tag == 'br'
-    s.b = str2elements('<b><br></b>')
-    assert len(s.b) == 1
-    assert len(s.b[0].getchildren()) == 1
-    s.a = str2elements('<a href=\'/\'>test</a>')
-    assert len(s.a) == 1
-    assert s.a[0].get('href') == '/'
-    assert s.a[0].text == 'test'
-    s.c = str2elements('<!--testComment-->')
-    assert len(s.c) == 1
-    assert s.c[0].text == 'testComment'
-    del s
-
 def repeatableRepr(obj):
     if type(obj) is types.DictType:
         keys = obj.keys()
diff --git a/direct/src/showbase/ShowBase.py b/direct/src/showbase/ShowBase.py
index a33b671dff..2612416ad8 100644
--- a/direct/src/showbase/ShowBase.py
+++ b/direct/src/showbase/ShowBase.py
@@ -7,7 +7,8 @@ __all__ = ['ShowBase', 'WindowControls']
 # Annoying and very noisy, but sometimes useful
 #import VerboseImport
 
-from pandac.PandaModules import *
+from panda3d.core import *
+from panda3d.direct import getConfigShowbase
 
 # This needs to be available early for DirectGUI imports
 import __builtin__
diff --git a/direct/src/showbase/VFSImporter.py b/direct/src/showbase/VFSImporter.py
index 3bf8275cfc..b219992326 100644
--- a/direct/src/showbase/VFSImporter.py
+++ b/direct/src/showbase/VFSImporter.py
@@ -3,7 +3,6 @@ import sys
 import os
 import marshal
 import imp
-import struct
 import types
 import __builtin__
 
@@ -286,7 +285,8 @@ class VFSLoader:
         code = None
         data = vfile.readFile(True)
         if data[:4] == imp.get_magic():
-            t = struct.unpack('<I', data[4:8])[0]
+            t = ord(data[4]) + (ord(data[5]) << 8) + \
+               (ord(data[6]) << 16) + (ord(data[7]) << 24)
             if not timestamp or t == timestamp:
                 code = marshal.loads(data[8:])
             else:
@@ -314,7 +314,10 @@ class VFSLoader:
             pass
         else:
             f.write('\0\0\0\0')
-            f.write(struct.pack('<I', self.timestamp))
+            f.write(chr(self.timestamp & 0xff) +
+                    chr((self.timestamp >> 8) & 0xff) +
+                    chr((self.timestamp >> 16) & 0xff) +
+                    chr((self.timestamp >> 24) & 0xff))
             f.write(marshal.dumps(code))
             f.flush()
             f.seek(0, 0)
diff --git a/dtool/src/dtoolutil/executionEnvironment.I b/dtool/src/dtoolutil/executionEnvironment.I
index d55de11834..7c7fa57c33 100644
--- a/dtool/src/dtoolutil/executionEnvironment.I
+++ b/dtool/src/dtoolutil/executionEnvironment.I
@@ -119,3 +119,23 @@ INLINE string ExecutionEnvironment::
 get_dtool_name() {
   return get_ptr()->ns_get_dtool_name();
 }
+
+////////////////////////////////////////////////////////////////////
+//     Function: ExecutionEnvironment::set_binary_name
+//       Access: Public, Static
+//  Description: Do not use.
+////////////////////////////////////////////////////////////////////
+INLINE void ExecutionEnvironment::
+set_binary_name(const string &name) {
+  get_ptr()->_binary_name = name;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: ExecutionEnvironment::set_dtool_name
+//       Access: Public, Static
+//  Description: Do not use.
+////////////////////////////////////////////////////////////////////
+INLINE void ExecutionEnvironment::
+set_dtool_name(const string &name) {
+  get_ptr()->_dtool_name = name;
+}
diff --git a/dtool/src/dtoolutil/executionEnvironment.cxx b/dtool/src/dtoolutil/executionEnvironment.cxx
index 81ca807d39..41e7aae64d 100644
--- a/dtool/src/dtoolutil/executionEnvironment.cxx
+++ b/dtool/src/dtoolutil/executionEnvironment.cxx
@@ -613,7 +613,7 @@ read_environment_variables() {
 ////////////////////////////////////////////////////////////////////
 void ExecutionEnvironment::
 read_args() {
-
+#ifndef ANDROID
   // First, we need to fill in _dtool_name.  This contains
   // the full path to the p3dtool library.
 
@@ -835,7 +835,7 @@ read_args() {
   }
 #endif
 
-#ifndef WIN32
+#ifndef _WIN32
   // Try to use realpath to get cleaner paths.
 
   if (!_binary_name.empty()) {
@@ -851,7 +851,9 @@ read_args() {
       _dtool_name = newpath;
     }
   }
-#endif
+#endif  // _WIN32
+
+#endif  // ANDROID
 
   if (_dtool_name.empty()) {
     _dtool_name = _binary_name;
diff --git a/dtool/src/dtoolutil/executionEnvironment.h b/dtool/src/dtoolutil/executionEnvironment.h
index e43589b120..bfbb6adf44 100644
--- a/dtool/src/dtoolutil/executionEnvironment.h
+++ b/dtool/src/dtoolutil/executionEnvironment.h
@@ -50,6 +50,9 @@ PUBLISHED:
   INLINE static string get_binary_name();
   INLINE static string get_dtool_name();
 
+  INLINE static void set_binary_name(const string &name);
+  INLINE static void set_dtool_name(const string &name);
+
   static Filename get_cwd();
 
 private:
diff --git a/dtool/src/dtoolutil/filename.cxx b/dtool/src/dtoolutil/filename.cxx
index b7d7c51e53..d2aed13b7e 100644
--- a/dtool/src/dtoolutil/filename.cxx
+++ b/dtool/src/dtoolutil/filename.cxx
@@ -57,6 +57,10 @@ TVOLATILE AtomicAdjust::Pointer Filename::_user_appdata_directory;
 TVOLATILE AtomicAdjust::Pointer Filename::_common_appdata_directory;
 TypeHandle Filename::_type_handle;
 
+#ifdef ANDROID
+string Filename::_internal_data_dir;
+#endif
+
 #ifdef WIN32
 /* begin Win32-specific code */
 
@@ -459,7 +463,7 @@ Filename Filename::
 temporary(const string &dirname, const string &prefix, const string &suffix,
           Type type) {
   Filename fdirname = dirname;
-#ifdef WIN32
+#if defined(_WIN32) || defined(ANDROID)
   // The Windows tempnam() function doesn't do a good job of choosing
   // a temporary directory.  Choose one ourselves.
   if (fdirname.empty()) {
@@ -523,7 +527,7 @@ get_home_directory() {
     if (home_directory.empty()) {
 #ifdef WIN32
       wchar_t buffer[MAX_PATH];
-      
+
       // On Windows, fall back to the "My Documents" folder.
       if (SHGetSpecialFolderPathW(NULL, buffer, CSIDL_PERSONAL, true)) {
         Filename dirname = from_os_specific_w(buffer);
@@ -534,15 +538,22 @@ get_home_directory() {
         }
       }
 
+#elif defined(ANDROID)
+      // Temporary hack.
+      home_directory = "/data/data/org.panda3d.sdk";
+
 #elif defined(IS_OSX)
       home_directory = get_osx_home_directory();
-      
+
+#elif defined(ANDROID)
+      home_directory = _internal_data_dir;
+
 #else
       // Posix case: check /etc/passwd?
-      
+
 #endif  // WIN32
     }
-      
+
     if (home_directory.empty()) {
       // Fallback case.
       home_directory = ExecutionEnvironment::get_cwd();
@@ -555,7 +566,7 @@ get_home_directory() {
       delete newdir;
     }
   }
-  
+
   return (*(Filename *)_home_directory);
 }
 
@@ -585,6 +596,10 @@ get_temp_directory() {
 #elif defined(IS_OSX)
     temp_directory = get_osx_temp_directory();
 
+#elif defined(ANDROID)
+    temp_directory.set_dirname(_internal_data_dir);
+    temp_directory.set_basename("cache");
+
 #else
     // Posix case.
     temp_directory = "/tmp";
@@ -634,6 +649,10 @@ get_user_appdata_directory() {
 #elif defined(IS_OSX)
     user_appdata_directory = get_osx_user_appdata_directory();
 
+#elif defined(ANDROID)
+    user_appdata_directory.set_dirname(_internal_data_dir);
+    user_appdata_directory.set_basename("files");
+
 #else
     // Posix case.
     user_appdata_directory = get_home_directory();
@@ -683,6 +702,10 @@ get_common_appdata_directory() {
 #elif defined(IS_OSX)
     common_appdata_directory = get_osx_common_appdata_directory();
 
+#elif defined(ANDROID)
+    common_appdata_directory.set_dirname(_internal_data_dir);
+    common_appdata_directory.set_basename("files");
+
 #else
     // Posix case.
     common_appdata_directory = "/var";
diff --git a/dtool/src/dtoolutil/filename.h b/dtool/src/dtoolutil/filename.h
index e1c66ad3cd..493b912f69 100644
--- a/dtool/src/dtoolutil/filename.h
+++ b/dtool/src/dtoolutil/filename.h
@@ -263,6 +263,11 @@ protected:
   static TVOLATILE AtomicAdjust::Pointer _user_appdata_directory;
   static TVOLATILE AtomicAdjust::Pointer _common_appdata_directory;
 
+#ifdef ANDROID
+public:
+  static string _internal_data_dir;
+#endif
+
 public:
   static TypeHandle get_class_type() {
     return _type_handle;
diff --git a/panda/src/android/android_main.cxx b/panda/src/android/android_main.cxx
index 215c0abf44..a75f6ceb0e 100644
--- a/panda/src/android/android_main.cxx
+++ b/panda/src/android/android_main.cxx
@@ -16,6 +16,7 @@
 #include "config_util.h"
 #include "virtualFileMountAndroidAsset.h"
 #include "virtualFileSystem.h"
+#include "filename.h"
 
 #include "config_display.h"
 //#define OPENGLES_1
@@ -45,9 +46,36 @@ void android_main(struct android_app* app) {
     return;
   }
 
+  // Fetch the data directory.
+  jclass activity_class = env->GetObjectClass(activity->clazz);
+  jmethodID get_appinfo = env->GetMethodID(activity_class, "getApplicationInfo", "()Landroid/content/pm/ApplicationInfo;");
+
+  jobject appinfo = env->CallObjectMethod(activity->clazz, get_appinfo);
+  jclass appinfo_class = env->GetObjectClass(appinfo);
+
+  // Fetch the path to the data directory.
+  jfieldID datadir_field = env->GetFieldID(appinfo_class, "dataDir", "Ljava/lang/String;");
+  jstring datadir = (jstring) env->GetObjectField(appinfo, datadir_field);
+  const char *data_path = env->GetStringUTFChars(datadir, NULL);
+
+  Filename::_internal_data_dir = data_path;
+  android_cat.info() << "Path to data: " << data_path << "\n";
+
+  env->ReleaseStringUTFChars(datadir, data_path);
+
+  // Fetch the path to the library directory.
+  jfieldID libdir_field = env->GetFieldID(appinfo_class, "nativeLibraryDir", "Ljava/lang/String;");
+  jstring libdir = (jstring) env->GetObjectField(appinfo, libdir_field);
+  const char *lib_path = env->GetStringUTFChars(libdir, NULL);
+
+  string dtool_name = string(lib_path) + "/libp3dtool.so";
+  ExecutionEnvironment::set_dtool_name(dtool_name);
+  android_cat.info() << "Path to dtool: " << dtool_name << "\n";
+
+  env->ReleaseStringUTFChars(libdir, lib_path);
+
   // Get the path to the APK.
-  jclass clazz = env->GetObjectClass(activity->clazz);
-  jmethodID methodID = env->GetMethodID(clazz, "getPackageCodePath", "()Ljava/lang/String;");
+  jmethodID methodID = env->GetMethodID(activity_class, "getPackageCodePath", "()Ljava/lang/String;");
   jstring code_path = (jstring) env->CallObjectMethod(activity->clazz, methodID);
 
   const char* apk_path;
diff --git a/panda/src/androiddisplay/androidGraphicsWindow.cxx b/panda/src/androiddisplay/androidGraphicsWindow.cxx
index a48a85107d..6a134255e9 100644
--- a/panda/src/androiddisplay/androidGraphicsWindow.cxx
+++ b/panda/src/androiddisplay/androidGraphicsWindow.cxx
@@ -326,7 +326,7 @@ open_window() {
     return false;
   }
 
-  //_fb_properties = androidgsg->get_fb_properties();
+  _fb_properties = androidgsg->get_fb_properties();
 
   androiddisplay_cat.error() << "open_window done\n";
 
@@ -434,7 +434,7 @@ handle_command(struct android_app *app, int32_t command) {
 void AndroidGraphicsWindow::
 ns_handle_command(int32_t command) {
   WindowProperties properties;
-  
+
   switch (command) {
     case APP_CMD_SAVE_STATE:
       // The system has asked us to save our current state.  Do so.
@@ -446,16 +446,25 @@ ns_handle_command(int32_t command) {
       // The window is being shown, get it ready.
       if (_app->window != NULL) {
         create_surface();
+        properties.set_size(ANativeWindow_getWidth(_app->window),
+                            ANativeWindow_getHeight(_app->window));
         properties.set_minimized(false);
         system_changed_properties(properties);
       }
       break;
+    case APP_CMD_CONFIG_CHANGED:
+      properties.set_size(ANativeWindow_getWidth(_app->window),
+                          ANativeWindow_getHeight(_app->window));
+      system_changed_properties(properties);
+      break;
     case APP_CMD_TERM_WINDOW:
       destroy_surface();
       properties.set_minimized(true);
       system_changed_properties(properties);
       break;
     case APP_CMD_WINDOW_RESIZED:
+      properties.set_size(ANativeWindow_getWidth(_app->window),
+                          ANativeWindow_getHeight(_app->window));
       break;
     case APP_CMD_WINDOW_REDRAW_NEEDED:
       break;
diff --git a/panda/src/express/virtualFileMountAndroidAsset.cxx b/panda/src/express/virtualFileMountAndroidAsset.cxx
index e2b9858f4a..a2519e541a 100644
--- a/panda/src/express/virtualFileMountAndroidAsset.cxx
+++ b/panda/src/express/virtualFileMountAndroidAsset.cxx
@@ -57,7 +57,7 @@ get_fd(const Filename &file, off_t *start, off_t *length) const {
 ////////////////////////////////////////////////////////////////////
 bool VirtualFileMountAndroidAsset::
 has_file(const Filename &file) const {
-  return (file.empty() || is_directory(file) || is_regular_file(file));
+  return (file.empty() || /*is_directory(file) ||*/ is_regular_file(file));
 }
 
 ////////////////////////////////////////////////////////////////////
diff --git a/panda/src/glesgsg/glesgsg.h b/panda/src/glesgsg/glesgsg.h
index d964b48765..485bc0dacc 100644
--- a/panda/src/glesgsg/glesgsg.h
+++ b/panda/src/glesgsg/glesgsg.h
@@ -90,6 +90,7 @@
 #define GL_DEPTH_STENCIL_EXT GL_DEPTH_STENCIL_OES
 #define GL_UNSIGNED_INT_24_8_EXT GL_UNSIGNED_INT_24_8_OES
 #define GL_DEPTH24_STENCIL8_EXT GL_DEPTH24_STENCIL8_OES
+#define GL_DEPTH24_STENCIL8 GL_DEPTH24_STENCIL8_OES
 #define GL_DEPTH_COMPONENT16 GL_DEPTH_COMPONENT16_OES
 #define GL_DEPTH_COMPONENT24 GL_DEPTH_COMPONENT24_OES
 #define GL_DEPTH_COMPONENT32 GL_DEPTH_COMPONENT32_OES
diff --git a/panda/src/glstuff/glGraphicsBuffer_src.cxx b/panda/src/glstuff/glGraphicsBuffer_src.cxx
index 671003a1f1..8050b7bc4c 100644
--- a/panda/src/glstuff/glGraphicsBuffer_src.cxx
+++ b/panda/src/glstuff/glGraphicsBuffer_src.cxx
@@ -174,6 +174,7 @@ begin_frame(FrameMode mode, Thread *current_thread) {
 
     // In case of multisample rendering, we don't need to issue
     // the barrier until we call glBlitFramebuffer.
+#ifndef OPENGLES
     if (gl_enable_memory_barriers && _fbo_multisample == 0) {
       CLP(GraphicsStateGuardian) *glgsg;
       DCAST_INTO_R(glgsg, _gsg, false);
@@ -189,6 +190,7 @@ begin_frame(FrameMode mode, Thread *current_thread) {
         }
       }
     }
+#endif
   }
 
   _gsg->set_current_properties(&get_fb_properties());
@@ -443,6 +445,7 @@ rebuild_bitplanes() {
     if (_fbo[layer] == 0) {
       glgsg->_glGenFramebuffers(1, &_fbo[layer]);
 
+#ifndef OPENGLES
       if (glgsg->_use_object_labels) {
         if (num_fbos > 1) {
           GLchar name[128];
@@ -452,6 +455,7 @@ rebuild_bitplanes() {
           glgsg->_glObjectLabel(GL_FRAMEBUFFER, _fbo[layer], _name.size(), _name.data());
         }
       }
+#endif
 
       if (_fbo[layer] == 0) {
         report_my_gl_errors();
@@ -485,7 +489,7 @@ rebuild_bitplanes() {
       _have_any_color = true;
     }
 
-#ifndef OPENGLES
+#ifndef OPENGLES_1
     for (int i=0; i<_fb_properties.get_aux_rgba(); i++) {
       bind_slot(layer, rb_resize, attach, (RenderTexturePlane)(RTP_aux_rgba_0+i), next++);
       _have_any_color = true;
@@ -1630,6 +1634,7 @@ resolve_multisamples() {
 
   PStatGPUTimer timer(glgsg, _resolve_multisample_pcollector);
 
+#ifndef OPENGLES
   if (gl_enable_memory_barriers) {
     // Issue memory barriers as necessary to make sure that the
     // texture memory is synchronized before we blit to it.
@@ -1644,6 +1649,7 @@ resolve_multisamples() {
       }
     }
   }
+#endif
 
   glgsg->report_my_gl_errors();
   GLuint fbo = _fbo[0];
@@ -1692,6 +1698,7 @@ resolve_multisamples() {
                               GL_NEAREST);
   }
   // Now handle the other color buffers.
+#ifndef OPENGLES_1
   int next = GL_COLOR_ATTACHMENT1_EXT;
   if (_fb_properties.is_stereo()) {
     glReadBuffer(next);
@@ -1700,7 +1707,6 @@ resolve_multisamples() {
                               GL_COLOR_BUFFER_BIT, GL_NEAREST);
     next += 1;
   }
-#ifndef OPENGLES
   for (int i = 0; i < _fb_properties.get_aux_rgba(); ++i) {
     glReadBuffer(next);
     glDrawBuffer(next);
diff --git a/panda/src/glstuff/glGraphicsStateGuardian_src.cxx b/panda/src/glstuff/glGraphicsStateGuardian_src.cxx
index a4c1211372..2ad5a127ec 100644
--- a/panda/src/glstuff/glGraphicsStateGuardian_src.cxx
+++ b/panda/src/glstuff/glGraphicsStateGuardian_src.cxx
@@ -552,6 +552,7 @@ reset() {
     _supported_geom_rendering |= Geom::GR_point_sprite;
   }
 
+#ifndef OPENGLES
   _glPrimitiveRestartIndex = NULL;
 
   if (is_at_least_gl_version(4, 3) || has_extension("GL_ARB_ES3_compatibility")) {
@@ -575,6 +576,7 @@ reset() {
     _glPrimitiveRestartIndex = (PFNGLPRIMITIVERESTARTINDEXPROC)
       get_extension_func("glPrimitiveRestartIndexNV");
   }
+#endif
 
   _supports_vertex_blend = has_extension("GL_ARB_vertex_blend");
 
@@ -798,7 +800,6 @@ reset() {
     }
   }
 
-
   _supports_2d_texture_array = false;
 #ifndef OPENGLES
   _supports_2d_texture_array = has_extension("GL_EXT_texture_array");
@@ -914,12 +915,10 @@ reset() {
     glGetIntegerv(GL_COMPRESSED_TEXTURE_FORMATS, formats);
     for (int i = 0; i < num_compressed_formats; ++i) {
       switch (formats[i]) {
-#ifndef OPENGLES_1
       case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
       case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
         _compressed_texture_formats.set_bit(Texture::CM_dxt1);
         break;
-#endif
 #ifdef OPENGLES
       case GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG:
       case GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG:
@@ -1776,7 +1775,6 @@ reset() {
         glGetIntegerv(GL_COMPRESSED_TEXTURE_FORMATS, formats);
         for (int i = 0; i < num_compressed_formats; ++i) {
           switch (formats[i]) {
-#ifndef OPENGLES_1
           case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
             GLCAT.debug(false) << "  GL_COMPRESSED_RGB_S3TC_DXT1_EXT\n";
             break;
@@ -1784,7 +1782,6 @@ reset() {
           case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
             GLCAT.debug(false) << "  GL_COMPRESSED_RGBA_S3TC_DXT1_EXT\n";
             break;
-#endif
 #ifdef OPENGLES
           case GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG:
             GLCAT.debug(false) << "  GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG\n";
@@ -2431,6 +2428,7 @@ prepare_display_region(DisplayRegionPipelineReader *dr) {
     _scissor_enabled = false;
   }
 
+#ifndef OPENGLES
   if (_supports_viewport_arrays) {
     int count = dr->get_num_regions();
     GLfloat *viewports = (GLfloat *)alloca(sizeof(GLfloat) * 4 * count);
@@ -2450,7 +2448,9 @@ prepare_display_region(DisplayRegionPipelineReader *dr) {
       _glScissorArrayv(0, count, scissors);
     }
 
-  } else {
+  } else
+#endif  // OPENGLES
+  {
     glViewport(x, y, width, height);
     if (dr->get_scissor_enabled()) {
       glScissor(x, y, width, height);
@@ -3845,9 +3845,11 @@ draw_linestrips(const GeomPrimitivePipelineReader *reader, bool force) {
     if (reader->is_indexed() &&
         (_supported_geom_rendering & GeomEnums::GR_strip_cut_index) != 0) {
       // One long triangle strip, connected by strip cut indices.
+#ifndef OPENGLES
       if (_glPrimitiveRestartIndex != NULL) {
         _glPrimitiveRestartIndex(reader->get_strip_cut_index());
       }
+#endif
 
       int num_vertices = reader->get_num_vertices();
       _vertices_other_pcollector.add_level(num_vertices);
@@ -5271,9 +5273,11 @@ framebuffer_copy_to_ram(Texture *tex, int view, int z,
     case GL_FLOAT:
       GLCAT.spam(false) << "GL_FLOAT";
       break;
+#ifndef OPENGLES_1
     case GL_INT:
       GLCAT.spam(false) << "GL_INT";
       break;
+#endif
     default:
       GLCAT.spam(false) << "unknown";
       break;
@@ -5810,7 +5814,11 @@ do_issue_material() {
   }
 #endif  // NDEBUG
 
+#ifdef OPENGLES
+  const GLenum face = GL_FRONT_AND_BACK;
+#else
   GLenum face = material->get_twoside() ? GL_FRONT_AND_BACK : GL_FRONT;
+#endif
 
   call_glMaterialfv(face, GL_SPECULAR, material->get_specular());
   call_glMaterialfv(face, GL_EMISSION, material->get_emission());
@@ -7045,7 +7053,9 @@ get_component_type(Texture::ComponentType component_type) {
       return GL_UNSIGNED_BYTE;
     }
   case Texture::T_int:
+#ifndef OPENGLES_1
     return GL_INT;
+#endif
   default:
     GLCAT.error() << "Invalid Texture::Type value!\n";
     return GL_UNSIGNED_BYTE;
@@ -7133,18 +7143,19 @@ get_external_image_format(Texture *tex) const {
 #endif
       break;
 
-#ifndef OPENGLES_1
     case Texture::CM_dxt1:
+#ifndef OPENGLES_1
       if (format == Texture::F_srgb_alpha) {
         return GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;
       } else if (format == Texture::F_srgb) {
         return GL_COMPRESSED_SRGB_S3TC_DXT1_EXT;
-      } else if (Texture::has_alpha(format)) {
+      } else
+#endif
+      if (Texture::has_alpha(format)) {
         return GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;
       } else {
         return GL_COMPRESSED_RGB_S3TC_DXT1_EXT;
       }
-#endif
 
 #ifndef OPENGLES
     case Texture::CM_dxt3:
@@ -7170,22 +7181,28 @@ get_external_image_format(Texture *tex) const {
 
 #else
     case Texture::CM_pvr1_2bpp:
+#ifndef OPENGLES_1
       if (format == Texture::F_srgb_alpha) {
         return GL_COMPRESSED_SRGB_ALPHA_PVRTC_2BPPV1_EXT;
       } else if (format == Texture::F_srgb) {
         return GL_COMPRESSED_SRGB_PVRTC_2BPPV1_EXT;
-      } else if (Texture::has_alpha(format)) {
+      } else
+#endif  // OPENGLES_1
+      if (Texture::has_alpha(format)) {
         return GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG;
       } else {
         return GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG;
       }
 
     case Texture::CM_pvr1_4bpp:
+#ifndef OPENGLES_1
       if (format == Texture::F_srgb_alpha) {
         return GL_COMPRESSED_SRGB_ALPHA_PVRTC_4BPPV1_EXT;
       } else if (format == Texture::F_srgb) {
         return GL_COMPRESSED_SRGB_PVRTC_4BPPV1_EXT;
-      } else if (Texture::has_alpha(format)) {
+      } else
+#endif  // OPENGLES_1
+      if (Texture::has_alpha(format)) {
         return GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;
       } else {
         return GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG;
@@ -7425,18 +7442,19 @@ get_internal_image_format(Texture *tex) const {
         return GL_COMPRESSED_SLUMINANCE_ALPHA;
 #endif
 
-#ifndef OPENGLES_1
     case Texture::CM_dxt1:
+#ifndef OPENGLES_1
       if (format == Texture::F_srgb_alpha) {
         return GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;
       } else if (format == Texture::F_srgb) {
         return GL_COMPRESSED_SRGB_S3TC_DXT1_EXT;
-      } else if (Texture::has_alpha(format)) {
+      } else
+#endif
+      if (Texture::has_alpha(format)) {
         return GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;
       } else {
         return GL_COMPRESSED_RGB_S3TC_DXT1_EXT;
       }
-#endif
 
 #ifndef OPENGLES
     case Texture::CM_dxt3:
@@ -7461,22 +7479,28 @@ get_internal_image_format(Texture *tex) const {
       }
 #else
     case Texture::CM_pvr1_2bpp:
+#ifndef OPENGLES_1
       if (format == Texture::F_srgb_alpha) {
         return GL_COMPRESSED_SRGB_ALPHA_PVRTC_2BPPV1_EXT;
       } else if (format == Texture::F_srgb) {
         return GL_COMPRESSED_SRGB_PVRTC_2BPPV1_EXT;
-      } else if (Texture::has_alpha(format)) {
+      } else
+#endif  // OPENGLES_1
+      if (Texture::has_alpha(format)) {
         return GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG;
       } else {
         return GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG;
       }
 
     case Texture::CM_pvr1_4bpp:
+#ifndef OPENGLES_1
       if (format == Texture::F_srgb_alpha) {
         return GL_COMPRESSED_SRGB_ALPHA_PVRTC_4BPPV1_EXT;
       } else if (format == Texture::F_srgb) {
         return GL_COMPRESSED_SRGB_PVRTC_4BPPV1_EXT;
-      } else if (Texture::has_alpha(format)) {
+      } else
+#endif  // OPENGLES_1
+      if (Texture::has_alpha(format)) {
         return GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;
       } else {
         return GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG;
@@ -7500,9 +7524,12 @@ get_internal_image_format(Texture *tex) const {
 
   case Texture::F_depth_stencil:
     if (_supports_depth_stencil) {
+#ifndef OPENGLES_1
       if (tex->get_component_type() == Texture::T_float) {
         return GL_DEPTH32F_STENCIL8;
-      } else {
+      } else
+#endif
+      {
         return GL_DEPTH_STENCIL;
       }
     }
@@ -7554,9 +7581,12 @@ get_internal_image_format(Texture *tex) const {
 
   case Texture::F_rgba:
   case Texture::F_rgbm:
+#ifndef OPENGLES_1
     if (tex->get_component_type() == Texture::T_float) {
       return GL_RGBA16F;
-    } else {
+    } else
+#endif
+    {
       return GL_RGBA;
     }
 
@@ -7568,17 +7598,13 @@ get_internal_image_format(Texture *tex) const {
     return GL_RGBA8_OES;
   case Texture::F_rgba12:
     return GL_RGBA;
-#ifndef OPENGLES_1
-  case Texture::F_rgba16:
-    return GL_RGBA16F;
-#endif  // OPENGLES_1
-  case Texture::F_rgba32:
-    return GL_RGBA32F;
 #else
   case Texture::F_rgba8:
     return GL_RGBA8;
   case Texture::F_rgba12:
     return GL_RGBA12;
+#endif  // OPENGLES
+#ifndef OPENGLES_1
   case Texture::F_rgba16:
     return GL_RGBA16F;
   case Texture::F_rgba32:
@@ -7648,21 +7674,21 @@ get_internal_image_format(Texture *tex) const {
       return GL_RG16;
     }
 #endif
+
+#ifndef OPENGLES_1
   case Texture::F_r32:
     return GL_R32F;
   case Texture::F_rg32:
     return GL_RG32F;
 
-  case Texture::F_alpha:
-    return GL_ALPHA;
-
-#ifndef OPENGLES_1
   case Texture::F_red:
   case Texture::F_green:
   case Texture::F_blue:
     return GL_RED;
 #endif
 
+  case Texture::F_alpha:
+    return GL_ALPHA;
   case Texture::F_luminance:
     return GL_LUMINANCE;
   case Texture::F_luminance_alpha:
@@ -7723,10 +7749,8 @@ is_mipmap_filter(GLenum min_filter) {
 bool CLP(GraphicsStateGuardian)::
 is_compressed_format(GLenum format) {
   switch (format) {
-#ifndef OPENGLES_1
   case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
   case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
-#endif
 #ifdef OPENGLES
   case GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG:
   case GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG:
@@ -8811,20 +8835,17 @@ update_standard_texture_bindings() {
     _glActiveTexture(GL_TEXTURE0 + i);
 
     // First, turn off the previous texture mode.
-#ifndef OPENGLES_2
-#ifndef OPENGLES
-    glDisable(GL_TEXTURE_1D);
-#endif  // OPENGLES
     glDisable(GL_TEXTURE_2D);
-    if (_supports_3d_texture) {
-#ifndef OPENGLES_1
-      glDisable(GL_TEXTURE_3D);
-#endif  // OPENGLES_1
-    }
     if (_supports_cube_map) {
       glDisable(GL_TEXTURE_CUBE_MAP);
     }
-#endif // OPENGLES_2
+
+#ifndef OPENGLES
+    glDisable(GL_TEXTURE_1D);
+    if (_supports_3d_texture) {
+      glDisable(GL_TEXTURE_3D);
+    }
+#endif  // OPENGLES
 
     int view = get_current_tex_view_offset() + stage->get_tex_view_offset();
     TextureContext *tc = texture->prepare_now(view, _prepared_objects, this);
@@ -8833,7 +8854,6 @@ update_standard_texture_bindings() {
       continue;
     }
 
-#ifndef OPENGLES_2
     // Then, turn on the current texture mode.
     GLenum target = get_texture_target(texture->get_texture_type());
     if (target == GL_NONE) {
@@ -8845,14 +8865,11 @@ update_standard_texture_bindings() {
       // Cannot be applied via the FFP.
       continue;
     }
-#endif
+#endif  // OPENGLES
     glEnable(target);
-#endif
 
     if (!update_texture(tc, false)) {
-#ifndef OPENGLES_2
       glDisable(target);
-#endif
       continue;
     }
     apply_texture(tc);
@@ -8979,30 +8996,26 @@ update_standard_texture_bindings() {
     }
   }
 
-#ifndef OPENGLES_2
   // Disable the texture stages that are no longer used.
   for (i = num_stages; i < _num_active_texture_stages; i++) {
     _glActiveTexture(GL_TEXTURE0 + i);
-#ifndef OPENGLES
-    glDisable(GL_TEXTURE_1D);
-#endif  // OPENGLES
     glDisable(GL_TEXTURE_2D);
-    if (_supports_3d_texture) {
-#ifndef OPENGLES_1
-      glDisable(GL_TEXTURE_3D);
-#endif  // OPENGLES_1
-    }
     if (_supports_cube_map) {
       glDisable(GL_TEXTURE_CUBE_MAP);
     }
+#ifndef OPENGLES
+    glDisable(GL_TEXTURE_1D);
+    if (_supports_3d_texture) {
+      glDisable(GL_TEXTURE_3D);
+    }
+#endif  // OPENGLES
   }
-#endif  // OPENGLES_2
 
   // Save the count of texture stages for next time.
   _num_active_texture_stages = num_stages;
 
   report_my_gl_errors();
-#endif
+#endif  // OPENGLES_2
 }
 
 
@@ -10226,16 +10239,6 @@ upload_texture_image(CLP(TextureContext) *gtc, bool needs_reload,
       _data_transferred_pcollector.add_level(view_size);
 #endif
       switch (texture_target) {
-      case GL_TEXTURE_1D:
-        if (image_compression == Texture::CM_off) {
-          glTexSubImage1D(page_target, n - mipmap_bias, 0, width,
-                          external_format, component_type, image_ptr);
-        } else {
-          _glCompressedTexSubImage1D(page_target, n - mipmap_bias, 0, width,
-                                     external_format, view_size, image_ptr);
-        }
-        break;
-
 #ifdef OPENGLES_2
       case GL_TEXTURE_3D_OES:
 #endif
@@ -10256,6 +10259,16 @@ upload_texture_image(CLP(TextureContext) *gtc, bool needs_reload,
           return false;
         }
         break;
+
+      case GL_TEXTURE_1D:
+        if (image_compression == Texture::CM_off) {
+          glTexSubImage1D(page_target, n - mipmap_bias, 0, width,
+                          external_format, component_type, image_ptr);
+        } else {
+          _glCompressedTexSubImage1D(page_target, n - mipmap_bias, 0, width,
+                                     external_format, view_size, image_ptr);
+        }
+        break;
 #endif
 #ifndef OPENGLES
       case GL_TEXTURE_2D_ARRAY_EXT:
@@ -10826,10 +10839,12 @@ do_extract_texture_data(CLP(TextureContext) *gtc) {
     type = Texture::T_unsigned_int_24_8;
     format = Texture::F_depth_stencil;
     break;
+#ifndef OPENGLES_1
   case GL_DEPTH32F_STENCIL8:
     type = Texture::T_float;
     format = Texture::F_depth_stencil;
     break;
+#endif
   case GL_RGBA:
   case 4:
     format = Texture::F_rgba;
@@ -11022,7 +11037,6 @@ do_extract_texture_data(CLP(TextureContext) *gtc) {
     break;
 #endif
 
-#ifndef OPENGLES_1
   case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
     format = Texture::F_rgb;
     compression = Texture::CM_dxt1;
@@ -11031,6 +11045,7 @@ do_extract_texture_data(CLP(TextureContext) *gtc) {
     format = Texture::F_rgbm;
     compression = Texture::CM_dxt1;
     break;
+#ifndef OPENGLES_1
   case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
     format = Texture::F_srgb;
     compression = Texture::CM_dxt1;
@@ -11040,6 +11055,26 @@ do_extract_texture_data(CLP(TextureContext) *gtc) {
     compression = Texture::CM_dxt1;
     break;
 #endif
+
+#ifdef OPENGLES_2
+  case GL_COMPRESSED_SRGB_PVRTC_2BPPV1_EXT:
+    format = Texture::F_srgb;
+    compression = Texture::CM_pvr1_2bpp;
+    break;
+  case GL_COMPRESSED_SRGB_ALPHA_PVRTC_2BPPV1_EXT:
+    format = Texture::F_srgb_alpha;
+    compression = Texture::CM_pvr1_2bpp;
+    break;
+  case GL_COMPRESSED_SRGB_PVRTC_4BPPV1_EXT:
+    format = Texture::F_srgb;
+    compression = Texture::CM_pvr1_4bpp;
+    break;
+  case GL_COMPRESSED_SRGB_ALPHA_PVRTC_4BPPV1_EXT:
+    format = Texture::F_srgb_alpha;
+    compression = Texture::CM_pvr1_4bpp;
+    break;
+#endif  // OPENGLES_2
+
 #ifdef OPENGLES
   case GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG:
     format = Texture::F_rgb;
@@ -11058,22 +11093,6 @@ do_extract_texture_data(CLP(TextureContext) *gtc) {
     compression = Texture::CM_pvr1_4bpp;
     break;
 
-  case GL_COMPRESSED_SRGB_PVRTC_2BPPV1_EXT:
-    format = Texture::F_srgb;
-    compression = Texture::CM_pvr1_2bpp;
-    break;
-  case GL_COMPRESSED_SRGB_ALPHA_PVRTC_2BPPV1_EXT:
-    format = Texture::F_srgb_alpha;
-    compression = Texture::CM_pvr1_2bpp;
-    break;
-  case GL_COMPRESSED_SRGB_PVRTC_4BPPV1_EXT:
-    format = Texture::F_srgb;
-    compression = Texture::CM_pvr1_4bpp;
-    break;
-  case GL_COMPRESSED_SRGB_ALPHA_PVRTC_4BPPV1_EXT:
-    format = Texture::F_srgb_alpha;
-    compression = Texture::CM_pvr1_4bpp;
-    break;
 #else
   case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
     format = Texture::F_rgba;
diff --git a/panda/src/glstuff/glGraphicsStateGuardian_src.h b/panda/src/glstuff/glGraphicsStateGuardian_src.h
index bfb314e3a1..3d79791f72 100644
--- a/panda/src/glstuff/glGraphicsStateGuardian_src.h
+++ b/panda/src/glstuff/glGraphicsStateGuardian_src.h
@@ -598,7 +598,9 @@ public:
   PFNGLPOINTPARAMETERFVPROC _glPointParameterfv;
   bool _supports_point_sprite;
 
+#ifndef OPENGLES
   PFNGLPRIMITIVERESTARTINDEXPROC _glPrimitiveRestartIndex;
+#endif
 
   bool _supports_vertex_blend;
   PFNGLWEIGHTPOINTERARBPROC _glWeightPointer;
@@ -710,11 +712,13 @@ public:
   PFNGLGETQUERYIVPROC _glGetQueryiv;
   PFNGLGETQUERYOBJECTUIVPROC _glGetQueryObjectuiv;
 
+#ifndef OPENGLES
   PFNGLQUERYCOUNTERPROC _glQueryCounter;
   PFNGLGETQUERYOBJECTI64VPROC _glGetQueryObjecti64v;
   PFNGLGETQUERYOBJECTUI64VPROC _glGetQueryObjectui64v;
 
   PFNGLGETINTEGER64VPROC _glGetInteger64v;
+#endif
 
   PFNGLACTIVESTENCILFACEEXTPROC _glActiveStencilFaceEXT;
 
diff --git a/panda/src/glstuff/glTextureContext_src.cxx b/panda/src/glstuff/glTextureContext_src.cxx
index 4c42ab07c8..af6d8c7259 100644
--- a/panda/src/glstuff/glTextureContext_src.cxx
+++ b/panda/src/glstuff/glTextureContext_src.cxx
@@ -23,12 +23,14 @@ TypeHandle CLP(TextureContext)::_type_handle;
 ////////////////////////////////////////////////////////////////////
 CLP(TextureContext)::
 ~CLP(TextureContext)() {
+#ifndef OPENGLES
   if (gl_enable_memory_barriers) {
     _glgsg->_textures_needing_fetch_barrier.erase(this);
     _glgsg->_textures_needing_image_access_barrier.erase(this);
     _glgsg->_textures_needing_update_barrier.erase(this);
     _glgsg->_textures_needing_framebuffer_barrier.erase(this);
   }
+#endif
 
   glDeleteTextures(1, &_index);
   _index = 0;
@@ -53,12 +55,15 @@ void CLP(TextureContext)::
 evict_lru() {
   dequeue_lru();
 
+#ifndef OPENGLES
   if (_handle != 0) {
     if (_handle_resident) {
       _glgsg->_glMakeTextureHandleNonResident(_handle);
     }
     _handle_resident = false;
-  } else {
+  } else
+#endif
+  {
     reset_data();
   }
 
@@ -74,9 +79,11 @@ evict_lru() {
 ////////////////////////////////////////////////////////////////////
 void CLP(TextureContext)::
 reset_data() {
+#ifndef OPENGLES
   if (_handle != 0 && _handle_resident) {
     _glgsg->_glMakeTextureHandleNonResident(_handle);
   }
+#endif
 
   // Free the texture resources.
   glDeleteTextures(1, &_index);
@@ -108,6 +115,7 @@ reset_data() {
 ////////////////////////////////////////////////////////////////////
 void CLP(TextureContext)::
 make_handle_resident() {
+#ifndef OPENGLES
   if (_handle != 0) {
     if (!_handle_resident) {
       _glgsg->_glMakeTextureHandleResident(_handle);
@@ -115,6 +123,7 @@ make_handle_resident() {
     }
     set_resident(true);
   }
+#endif
 }
 
 ////////////////////////////////////////////////////////////////////