diff --git a/fstab.ranchu b/fstab.ranchu
new file mode 100644
index 0000000..cff906f
--- /dev/null
+++ b/fstab.ranchu
@@ -0,0 +1,8 @@
+# Android fstab file.
+#<src>                                                  <mnt_point>         <type>    <mnt_flags and options>                              <fs_mgr_flags>
+# The filesystem that contains the filesystem checker binary (typically /system) cannot
+# specify MF_CHECK, and must come before any filesystems that do specify MF_CHECK
+/dev/block/vda    /system             ext4      ro                                                    wait
+/dev/block/vdb    /cache              ext4      noatime,nosuid,nodev,nomblk_io_submit,errors=panic    wait
+/dev/block/vdc    /data               ext4      noatime,nosuid,nodev,nomblk_io_submit,errors=panic    wait
+#/devices/platform/goldfish_mmc.0                        auto                vfat      defaults                                             voldmanaged=sdcard:auto
diff --git a/init.ranchu.rc b/init.ranchu.rc
new file mode 100644
index 0000000..876272e
--- /dev/null
+++ b/init.ranchu.rc
@@ -0,0 +1,49 @@
+on fs
+    mount_all /fstab.ranchu
+
+on early-init
+    mount debugfs debugfs /sys/kernel/debug
+
+on init
+    # See storage config details at http://source.android.com/tech/storage/
+    mkdir /storage/sdcard 0555 root root
+
+    export EXTERNAL_STORAGE /storage/sdcard
+
+    # Support legacy paths
+    #symlink /storage/sdcard /sdcard
+    #symlink /storage/sdcard /mnt/sdcard
+
+    symlink /dev/goldfish_pipe /dev/android_pipe
+    symlink /dev/goldfish_pipe /dev/qemu_pipe
+
+on boot
+    setprop net.eth0.gw 10.0.2.2
+    setprop net.eth0.dns1 10.0.2.3
+    setprop net.gprs.local-ip 10.0.2.15
+    setprop ro.radio.use-ppp no
+    setprop ro.build.product generic
+    setprop ro.product.device generic
+
+# fake some battery state
+    setprop status.battery.state Slow
+    setprop status.battery.level 5
+    setprop status.battery.level_raw  50
+    setprop status.battery.level_scale 9
+
+# Disable GPU support
+    setprop ro.kernel.qemu 1
+    setprop ro.kernel.qemu.gles 0
+    symlink /system/lib64/hw/gralloc.default.aosp.so /system/lib64/hw/gralloc.default.so
+
+# disable RenderScript
+    setprop config.disable_renderscript 1
+
+# disable some daemons the emulator doesn't want
+    stop dund
+    stop akmd
+
+# enable Google-specific location features,
+# like NetworkLocationProvider and LocationCollector
+    setprop ro.com.google.locationfeatures 1
+
diff --git a/opengl/shared/OpenglCodecCommon/GLClientState.cpp b/opengl/shared/OpenglCodecCommon/GLClientState.cpp
index 9795490..a84e856 100644
--- a/opengl/shared/OpenglCodecCommon/GLClientState.cpp
+++ b/opengl/shared/OpenglCodecCommon/GLClientState.cpp
@@ -224,6 +224,8 @@
 
 size_t GLClientState::pixelDataSize(GLsizei width, GLsizei height, GLenum format, GLenum type, int pack) const
 {
+    if (width <= 0 || height <= 0) return 0;
+
     int pixelsize = glUtilsPixelBitSize(format, type) >> 3;
 
     int alignment = pack ? m_pixelStore.pack_alignment : m_pixelStore.unpack_alignment;
diff --git a/opengl/system/GLESv2_enc/GL2Encoder.cpp b/opengl/system/GLESv2_enc/GL2Encoder.cpp
index 0f5abdd..f6f61e6 100644
--- a/opengl/system/GLESv2_enc/GL2Encoder.cpp
+++ b/opengl/system/GLESv2_enc/GL2Encoder.cpp
@@ -79,6 +79,11 @@
     m_glDeleteShader_enc = set_glDeleteShader(s_glDeleteShader);
     m_glAttachShader_enc = set_glAttachShader(s_glAttachShader);
     m_glDetachShader_enc = set_glDetachShader(s_glDetachShader);
+    m_glGetAttachedShaders_enc = set_glGetAttachedShaders(s_glGetAttachedShaders);
+    m_glGetShaderSource_enc = set_glGetShaderSource(s_glGetShaderSource);
+    m_glGetShaderInfoLog_enc = set_glGetShaderInfoLog(s_glGetShaderInfoLog);
+    m_glGetProgramInfoLog_enc = set_glGetProgramInfoLog(s_glGetProgramInfoLog);
+
     m_glGetUniformLocation_enc = set_glGetUniformLocation(s_glGetUniformLocation);
     m_glUseProgram_enc = set_glUseProgram(s_glUseProgram);
 
@@ -424,15 +429,15 @@
             int stride = state->stride == 0 ? state->elementSize : state->stride;
             int firstIndex = stride * first;
 
+            this->m_glBindBuffer_enc(this, GL_ARRAY_BUFFER, state->bufferObject);
             if (state->bufferObject == 0) {
                 this->glVertexAttribPointerData(this, i, state->size, state->type, state->normalized, state->stride,
                                                 (unsigned char *)state->data + firstIndex, datalen);
             } else {
-                this->m_glBindBuffer_enc(this, GL_ARRAY_BUFFER, state->bufferObject);
                 this->glVertexAttribPointerOffset(this, i, state->size, state->type, state->normalized, state->stride,
                                                   (uintptr_t) state->data + firstIndex);
-                this->m_glBindBuffer_enc(this, GL_ARRAY_BUFFER, m_state->currentArrayVbo());
             }
+            this->m_glBindBuffer_enc(this, GL_ARRAY_BUFFER, m_state->currentArrayVbo());
         } else {
             this->m_glDisableVertexAttribArray_enc(this, i);
         }
@@ -746,6 +751,38 @@
     return shader;
 }
 
+void GL2Encoder::s_glGetAttachedShaders(void *self, GLuint program, GLsizei maxCount,
+        GLsizei* count, GLuint* shaders)
+{
+    GL2Encoder *ctx = (GL2Encoder*)self;
+    SET_ERROR_IF(maxCount < 0, GL_INVALID_VALUE);
+    ctx->m_glGetAttachedShaders_enc(self, program, maxCount, count, shaders);
+}
+
+void GL2Encoder::s_glGetShaderSource(void *self, GLuint shader, GLsizei bufsize,
+            GLsizei* length, GLchar* source)
+{
+    GL2Encoder *ctx = (GL2Encoder*)self;
+    SET_ERROR_IF(bufsize < 0, GL_INVALID_VALUE);
+    ctx->m_glGetShaderSource_enc(self, shader, bufsize, length, source);
+}
+
+void GL2Encoder::s_glGetShaderInfoLog(void *self, GLuint shader, GLsizei bufsize,
+        GLsizei* length, GLchar* infolog)
+{
+    GL2Encoder *ctx = (GL2Encoder*)self;
+    SET_ERROR_IF(bufsize < 0, GL_INVALID_VALUE);
+    ctx->m_glGetShaderInfoLog_enc(self, shader, bufsize, length, infolog);
+}
+
+void GL2Encoder::s_glGetProgramInfoLog(void *self, GLuint program, GLsizei bufsize,
+        GLsizei* length, GLchar* infolog)
+{
+    GL2Encoder *ctx = (GL2Encoder*)self;
+    SET_ERROR_IF(bufsize < 0, GL_INVALID_VALUE);
+    ctx->m_glGetProgramInfoLog_enc(self, program, bufsize, length, infolog);
+}
+
 void GL2Encoder::s_glDeleteShader(void *self, GLenum shader)
 {
     GL2Encoder *ctx = (GL2Encoder*)self;
diff --git a/opengl/system/GLESv2_enc/GL2Encoder.h b/opengl/system/GLESv2_enc/GL2Encoder.h
index c6506a9..8f6204c 100644
--- a/opengl/system/GLESv2_enc/GL2Encoder.h
+++ b/opengl/system/GLESv2_enc/GL2Encoder.h
@@ -148,6 +148,22 @@
     glDetachShader_client_proc_t m_glDetachShader_enc;
     static void s_glDetachShader(void *self, GLuint program, GLuint shader);
 
+    glGetAttachedShaders_client_proc_t m_glGetAttachedShaders_enc;
+    static void s_glGetAttachedShaders(void *self, GLuint program, GLsizei maxCount,
+            GLsizei* count, GLuint* shaders);
+
+    glGetShaderSource_client_proc_t m_glGetShaderSource_enc;
+    static void s_glGetShaderSource(void *self, GLuint shader, GLsizei bufsize,
+            GLsizei* length, GLchar* source);
+
+    glGetShaderInfoLog_client_proc_t m_glGetShaderInfoLog_enc;
+    static void s_glGetShaderInfoLog(void *self,GLuint shader,
+            GLsizei bufsize, GLsizei* length, GLchar* infolog);
+
+    glGetProgramInfoLog_client_proc_t m_glGetProgramInfoLog_enc;
+    static void s_glGetProgramInfoLog(void *self,GLuint program,
+            GLsizei bufsize, GLsizei* length, GLchar* infolog);
+
     glGetUniformLocation_client_proc_t m_glGetUniformLocation_enc;
     static int s_glGetUniformLocation(void *self, GLuint program, const GLchar *name);
     glUseProgram_client_proc_t m_glUseProgram_enc;
diff --git a/opengl/system/GLESv2_enc/gl2_enc.cpp b/opengl/system/GLESv2_enc/gl2_enc.cpp
index 46684e9..5929697 100644
--- a/opengl/system/GLESv2_enc/gl2_enc.cpp
+++ b/opengl/system/GLESv2_enc/gl2_enc.cpp
@@ -1162,7 +1162,7 @@
 	gl2_encoder_context_t *ctx = (gl2_encoder_context_t *)self;
 	IOStream *stream = ctx->m_stream;
 
-	const unsigned int __size_length =  sizeof(GLsizei);
+	const unsigned int __size_length = ((length != NULL) ?  (sizeof(GLsizei)) : 0);
 	const unsigned int __size_infolog =  bufsize;
 	 unsigned char *ptr;
 	 const size_t packetSize = 8 + 4 + 4 + __size_length + __size_infolog + 2*4;
@@ -1174,7 +1174,7 @@
 		memcpy(ptr, &bufsize, 4); ptr += 4;
 	*(unsigned int *)(ptr) = __size_length; ptr += 4;
 	*(unsigned int *)(ptr) = __size_infolog; ptr += 4;
-	stream->readback(length, __size_length);
+	if (length != NULL) stream->readback(length, __size_length);
 	stream->readback(infolog, __size_infolog);
 }
 
@@ -1923,7 +1923,7 @@
 	gl2_encoder_context_t *ctx = (gl2_encoder_context_t *)self;
 	IOStream *stream = ctx->m_stream;
 
-	const unsigned int __size_pixels =  pixelDataSize(self, width, height, format, type, 0);
+	const unsigned int __size_pixels = ((pixels != NULL) ?  pixelDataSize(self, width, height, format, type, 0) : 0);
 	 unsigned char *ptr;
 	 const size_t packetSize = 8 + 4 + 4 + 4 + 4 + 4 + 4 + 4 + 4 + __size_pixels + 1*4;
 	ptr = stream->alloc(8 + 4 + 4 + 4 + 4 + 4 + 4 + 4 + 4);
@@ -1940,7 +1940,7 @@
 		memcpy(ptr, &type, 4); ptr += 4;
 	stream->flush();
 	stream->writeFully(&__size_pixels,4);
-	stream->writeFully(pixels, __size_pixels);
+	if (pixels != NULL) stream->writeFully(pixels, __size_pixels);
 }
 
 void glUniform1f_enc(void *self , GLint location, GLfloat x)
diff --git a/opengl/system/OpenglSystemCommon/QemuPipeStream.cpp b/opengl/system/OpenglSystemCommon/QemuPipeStream.cpp
index a55dca0..5798370 100644
--- a/opengl/system/OpenglSystemCommon/QemuPipeStream.cpp
+++ b/opengl/system/OpenglSystemCommon/QemuPipeStream.cpp
@@ -87,6 +87,10 @@
 {
     //DBG(">> QemuPipeStream::writeFully %d\n", len);
     if (!valid()) return -1;
+    if (!buf) {
+        if (len>0) ERR("QemuPipeStream::writeFully failed, buf=NULL, len %d", len);
+        return 0;
+    }
 
     size_t res = len;
     int retval = 0;
diff --git a/opengl/system/OpenglSystemCommon/gralloc_cb.h b/opengl/system/OpenglSystemCommon/gralloc_cb.h
index a0f6ed8..d2d6f35 100644
--- a/opengl/system/OpenglSystemCommon/gralloc_cb.h
+++ b/opengl/system/OpenglSystemCommon/gralloc_cb.h
@@ -71,8 +71,8 @@
         numInts = CB_HANDLE_NUM_INTS(numFds);
     }
 
-    static bool validate(cb_handle_t * hnd) {
-        return (hnd && 
+    static bool validate(const cb_handle_t* hnd) {
+        return (hnd &&
                 hnd->version == sizeof(native_handle) &&
                 hnd->magic == BUFFER_HANDLE_MAGIC &&
                 hnd->numInts == CB_HANDLE_NUM_INTS(hnd->numFds));
diff --git a/ueventd.ranchu.rc b/ueventd.ranchu.rc
new file mode 100644
index 0000000..13bc33e
--- /dev/null
+++ b/ueventd.ranchu.rc
@@ -0,0 +1,5 @@
+# These settings are specific to running under the Android emulator
+/dev/qemu_trace           0666   system     system
+/dev/goldfish_pipe        0666   system     system
+/dev/ttyS*                0666   system     system
+/proc                     0666   system     system