Merge "Import translations. DO NOT MERGE"
diff --git a/include/gui/BufferQueue.h b/include/gui/BufferQueue.h
index 039e7b0..dd1558c 100644
--- a/include/gui/BufferQueue.h
+++ b/include/gui/BufferQueue.h
@@ -19,9 +19,9 @@
 
 #include <EGL/egl.h>
 
+#include <gui/IGraphicBufferAlloc.h>
 #include <gui/ISurfaceTexture.h>
 
-#include <surfaceflinger/IGraphicBufferAlloc.h>
 #include <ui/GraphicBuffer.h>
 
 #include <utils/String8.h>
@@ -40,7 +40,6 @@
     };
     enum { NUM_BUFFER_SLOTS = 32 };
     enum { NO_CONNECTED_API = 0 };
-    enum { INVALID_BUFFER_SLOT = -1 };
 
     struct FrameAvailableListener : public virtual RefBase {
         // onFrameAvailable() is called from queueBuffer() each time an
@@ -120,91 +119,8 @@
     // connected to the specified client API.
     virtual status_t disconnect(int api);
 
-    // dump our state in a String
-    virtual void dump(String8& result) const;
-    virtual void dump(String8& result, const char* prefix, char* buffer, size_t SIZE) const;
+protected:
 
-    // public facing structure for BufferSlot
-    struct BufferItem {
-
-        BufferItem()
-         :
-           mTransform(0),
-           mScalingMode(NATIVE_WINDOW_SCALING_MODE_FREEZE),
-           mTimestamp(0),
-           mFrameNumber(0),
-           mBuf(INVALID_BUFFER_SLOT) {
-             mCrop.makeInvalid();
-         }
-        // mGraphicBuffer points to the buffer allocated for this slot or is NULL
-        // if no buffer has been allocated.
-        sp<GraphicBuffer> mGraphicBuffer;
-
-        // mCrop is the current crop rectangle for this buffer slot. This gets
-        // set to mNextCrop each time queueBuffer gets called for this buffer.
-        Rect mCrop;
-
-        // mTransform is the current transform flags for this buffer slot. This
-        // gets set to mNextTransform each time queueBuffer gets called for this
-        // slot.
-        uint32_t mTransform;
-
-        // mScalingMode is the current scaling mode for this buffer slot. This
-        // gets set to mNextScalingMode each time queueBuffer gets called for
-        // this slot.
-        uint32_t mScalingMode;
-
-        // mTimestamp is the current timestamp for this buffer slot. This gets
-        // to set by queueBuffer each time this slot is queued.
-        int64_t mTimestamp;
-
-        // mFrameNumber is the number of the queued frame for this slot.
-        uint64_t mFrameNumber;
-
-        // buf is the slot index of this buffer
-        int mBuf;
-
-    };
-
-    // The following public functions is the consumer facing interface
-
-    // acquire consumes a buffer by transferring its ownership to a consumer.
-    // buffer contains the GraphicBuffer and its corresponding information.
-    // buffer.mGraphicsBuffer will be NULL when the buffer has been already
-    // acquired by the consumer.
-
-    status_t acquire(BufferItem *buffer);
-
-    // releaseBuffer releases a buffer slot from the consumer back to the
-    // BufferQueue pending a fence sync.
-    status_t releaseBuffer(int buf, EGLDisplay display, EGLSyncKHR fence);
-
-    // consumerDisconnect disconnects a consumer from the BufferQueue. All
-    // buffers will be freed.
-    status_t consumerDisconnect();
-
-    // setDefaultBufferSize is used to set the size of buffers returned by
-    // requestBuffers when a with and height of zero is requested.
-    status_t setDefaultBufferSize(uint32_t w, uint32_t h);
-
-    // setBufferCountServer set the buffer count. If the client has requested
-    // a buffer count using setBufferCount, the server-buffer count will
-    // take effect once the client sets the count back to zero.
-    status_t setBufferCountServer(int bufferCount);
-
-    // isSynchronousMode returns whether the SurfaceTexture is currently in
-    // synchronous mode.
-    bool isSynchronousMode() const;
-
-    // setConsumerName sets the name used in logging
-    void setConsumerName(const String8& name);
-
-    // setFrameAvailableListener sets the listener object that will be notified
-    // when a new frame becomes available.
-    void setFrameAvailableListener(const sp<FrameAvailableListener>& listener);
-
-
-private:
     // freeBufferLocked frees the resources (both GraphicBuffer and EGLImage)
     // for the given slot.
     void freeBufferLocked(int index);
@@ -229,18 +145,20 @@
 
     status_t setBufferCountServerLocked(int bufferCount);
 
+    enum { INVALID_BUFFER_SLOT = -1 };
+
     struct BufferSlot {
 
         BufferSlot()
-        : mEglDisplay(EGL_NO_DISPLAY),
+        : mEglImage(EGL_NO_IMAGE_KHR),
+          mEglDisplay(EGL_NO_DISPLAY),
           mBufferState(BufferSlot::FREE),
           mRequestBufferCalled(false),
           mTransform(0),
           mScalingMode(NATIVE_WINDOW_SCALING_MODE_FREEZE),
           mTimestamp(0),
           mFrameNumber(0),
-          mFence(EGL_NO_SYNC_KHR),
-          mAcquireCalled(false) {
+          mFence(EGL_NO_SYNC_KHR) {
             mCrop.makeInvalid();
         }
 
@@ -248,6 +166,9 @@
         // if no buffer has been allocated.
         sp<GraphicBuffer> mGraphicBuffer;
 
+        // mEglImage is the EGLImage created from mGraphicBuffer.
+        EGLImageKHR mEglImage;
+
         // mEglDisplay is the EGLDisplay used to create mEglImage.
         EGLDisplay mEglDisplay;
 
@@ -257,7 +178,6 @@
             // FREE indicates that the buffer is not currently being used and
             // will not be used in the future until it gets dequeued and
             // subsequently queued by the client.
-            // aka "owned by BufferQueue, ready to be dequeued"
             FREE = 0,
 
             // DEQUEUED indicates that the buffer has been dequeued by the
@@ -270,7 +190,6 @@
             // dequeued by the client.  That means that the current buffer can
             // be in either the DEQUEUED or QUEUED state.  In asynchronous mode,
             // however, the current buffer is always in the QUEUED state.
-            // aka "owned by producer, ready to be queued"
             DEQUEUED = 1,
 
             // QUEUED indicates that the buffer has been queued by the client,
@@ -280,11 +199,7 @@
             // the current buffer may be dequeued by the client under some
             // circumstances. See the note about the current buffer in the
             // documentation for DEQUEUED.
-            // aka "owned by BufferQueue, ready to be acquired"
             QUEUED = 2,
-
-            // aka "owned by consumer, ready to be released"
-            ACQUIRED = 3
         };
 
         // mBufferState is the current state of this buffer slot.
@@ -321,9 +236,6 @@
         // to EGL_NO_SYNC_KHR when the buffer is created and (optionally, based
         // on a compile-time option) set to a new sync object in updateTexImage.
         EGLSyncKHR mFence;
-
-        // Indicates whether this buffer has been seen by a consumer yet
-        bool mAcquireCalled;
     };
 
     // mSlots is the array of buffer slots that must be mirrored on the client
@@ -333,6 +245,7 @@
     // for a slot when requestBuffer is called with that slot's index.
     BufferSlot mSlots[NUM_BUFFER_SLOTS];
 
+
     // mDefaultWidth holds the default width of allocated buffers. It is used
     // in requestBuffers() if a width and height of zero is specified.
     uint32_t mDefaultWidth;
@@ -358,6 +271,14 @@
     // mServerBufferCount buffer count requested by the server-side
     int mServerBufferCount;
 
+    // mCurrentTexture is the buffer slot index of the buffer that is currently
+    // bound to the OpenGL texture. It is initialized to INVALID_BUFFER_SLOT,
+    // indicating that no buffer slot is currently bound to the texture. Note,
+    // however, that a value of INVALID_BUFFER_SLOT does not necessarily mean
+    // that no buffer is bound to the texture. A call to setBufferCount will
+    // reset mCurrentTexture to INVALID_BUFFER_SLOT.
+    int mCurrentTexture;
+
     // mNextCrop is the crop rectangle that will be used for the next buffer
     // that gets queued. It is set by calling setCrop.
     Rect mNextCrop;
@@ -406,7 +327,7 @@
 
     // mName is a string used to identify the BufferQueue in log messages.
     // It is set by the setName method.
-    String8 mConsumerName;
+    String8 mName;
 
     // mMutex is the mutex used to prevent concurrent access to the member
     // variables of BufferQueue objects. It must be locked whenever the
@@ -416,8 +337,6 @@
     // mFrameCounter is the free running counter, incremented for every buffer queued
     // with the surface Texture.
     uint64_t mFrameCounter;
-
-    bool mBufferHasBeenQueued;
 };
 
 // ----------------------------------------------------------------------------
diff --git a/include/surfaceflinger/IGraphicBufferAlloc.h b/include/gui/IGraphicBufferAlloc.h
similarity index 90%
rename from include/surfaceflinger/IGraphicBufferAlloc.h
rename to include/gui/IGraphicBufferAlloc.h
index d3b2062..cee41d9 100644
--- a/include/surfaceflinger/IGraphicBufferAlloc.h
+++ b/include/gui/IGraphicBufferAlloc.h
@@ -14,15 +14,15 @@
  * limitations under the License.
  */
 
-#ifndef ANDROID_SF_IGRAPHIC_BUFFER_ALLOC_H
-#define ANDROID_SF_IGRAPHIC_BUFFER_ALLOC_H
+#ifndef ANDROID_GUI_IGRAPHIC_BUFFER_ALLOC_H
+#define ANDROID_GUI_IGRAPHIC_BUFFER_ALLOC_H
 
 #include <stdint.h>
 #include <sys/types.h>
 
-#include <utils/RefBase.h>
-
 #include <binder/IInterface.h>
+#include <ui/PixelFormat.h>
+#include <utils/RefBase.h>
 
 namespace android {
 // ----------------------------------------------------------------------------
@@ -55,4 +55,4 @@
 
 }; // namespace android
 
-#endif // ANDROID_SF_IGRAPHIC_BUFFER_ALLOC_H
+#endif // ANDROID_GUI_IGRAPHIC_BUFFER_ALLOC_H
diff --git a/include/surfaceflinger/ISurface.h b/include/gui/ISurface.h
similarity index 93%
rename from include/surfaceflinger/ISurface.h
rename to include/gui/ISurface.h
index 5fdf234..c0ff9fc 100644
--- a/include/surfaceflinger/ISurface.h
+++ b/include/gui/ISurface.h
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef ANDROID_SF_ISURFACE_H
-#define ANDROID_SF_ISURFACE_H
+#ifndef ANDROID_GUI_ISURFACE_H
+#define ANDROID_GUI_ISURFACE_H
 
 #include <stdint.h>
 #include <sys/types.h>
@@ -61,4 +61,4 @@
 
 }; // namespace android
 
-#endif // ANDROID_SF_ISURFACE_H
+#endif // ANDROID_GUI_ISURFACE_H
diff --git a/include/surfaceflinger/ISurfaceComposer.h b/include/gui/ISurfaceComposer.h
similarity index 95%
rename from include/surfaceflinger/ISurfaceComposer.h
rename to include/gui/ISurfaceComposer.h
index 58fd89d..f3c0ecb 100644
--- a/include/surfaceflinger/ISurfaceComposer.h
+++ b/include/gui/ISurfaceComposer.h
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef ANDROID_SF_ISURFACE_COMPOSER_H
-#define ANDROID_SF_ISURFACE_COMPOSER_H
+#ifndef ANDROID_GUI_ISURFACE_COMPOSER_H
+#define ANDROID_GUI_ISURFACE_COMPOSER_H
 
 #include <stdint.h>
 #include <sys/types.h>
@@ -27,8 +27,8 @@
 
 #include <ui/PixelFormat.h>
 
-#include <surfaceflinger/ISurfaceComposerClient.h>
-#include <surfaceflinger/IGraphicBufferAlloc.h>
+#include <gui/IGraphicBufferAlloc.h>
+#include <gui/ISurfaceComposerClient.h>
 
 namespace android {
 // ----------------------------------------------------------------------------
@@ -171,4 +171,4 @@
 
 }; // namespace android
 
-#endif // ANDROID_SF_ISURFACE_COMPOSER_H
+#endif // ANDROID_GUI_ISURFACE_COMPOSER_H
diff --git a/include/surfaceflinger/ISurfaceComposerClient.h b/include/gui/ISurfaceComposerClient.h
similarity index 92%
rename from include/surfaceflinger/ISurfaceComposerClient.h
rename to include/gui/ISurfaceComposerClient.h
index 02cabc1..c793933 100644
--- a/include/surfaceflinger/ISurfaceComposerClient.h
+++ b/include/gui/ISurfaceComposerClient.h
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef ANDROID_SF_ISURFACE_COMPOSER_CLIENT_H
-#define ANDROID_SF_ISURFACE_COMPOSER_CLIENT_H
+#ifndef ANDROID_GUI_ISURFACE_COMPOSER_CLIENT_H
+#define ANDROID_GUI_ISURFACE_COMPOSER_CLIENT_H
 
 #include <stdint.h>
 #include <sys/types.h>
@@ -27,7 +27,7 @@
 
 #include <ui/PixelFormat.h>
 
-#include <surfaceflinger/ISurface.h>
+#include <gui/ISurface.h>
 
 namespace android {
 
@@ -81,4 +81,4 @@
 
 }; // namespace android
 
-#endif // ANDROID_SF_ISURFACE_COMPOSER_CLIENT_H
+#endif // ANDROID_GUI_ISURFACE_COMPOSER_CLIENT_H
diff --git a/include/surfaceflinger/Surface.h b/include/gui/Surface.h
similarity index 96%
rename from include/surfaceflinger/Surface.h
rename to include/gui/Surface.h
index 06eff8a..1f90c59 100644
--- a/include/surfaceflinger/Surface.h
+++ b/include/gui/Surface.h
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef ANDROID_SF_SURFACE_H
-#define ANDROID_SF_SURFACE_H
+#ifndef ANDROID_GUI_SURFACE_H
+#define ANDROID_GUI_SURFACE_H
 
 #include <stdint.h>
 #include <sys/types.h>
@@ -28,9 +28,8 @@
 #include <ui/Region.h>
 
 #include <gui/SurfaceTextureClient.h>
-
-#include <surfaceflinger/ISurface.h>
-#include <surfaceflinger/ISurfaceComposerClient.h>
+#include <gui/ISurface.h>
+#include <gui/ISurfaceComposerClient.h>
 
 #define ANDROID_VIEW_SURFACE_JNI_ID    "mNativeSurface"
 
@@ -173,4 +172,4 @@
 
 }; // namespace android
 
-#endif // ANDROID_SF_SURFACE_H
+#endif // ANDROID_GUI_SURFACE_H
diff --git a/include/surfaceflinger/SurfaceComposerClient.h b/include/gui/SurfaceComposerClient.h
similarity index 96%
rename from include/surfaceflinger/SurfaceComposerClient.h
rename to include/gui/SurfaceComposerClient.h
index 99affda..d971031 100644
--- a/include/surfaceflinger/SurfaceComposerClient.h
+++ b/include/gui/SurfaceComposerClient.h
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef ANDROID_SF_SURFACE_COMPOSER_CLIENT_H
-#define ANDROID_SF_SURFACE_COMPOSER_CLIENT_H
+#ifndef ANDROID_GUI_SURFACE_COMPOSER_CLIENT_H
+#define ANDROID_GUI_SURFACE_COMPOSER_CLIENT_H
 
 #include <stdint.h>
 #include <sys/types.h>
@@ -29,7 +29,7 @@
 
 #include <ui/PixelFormat.h>
 
-#include <surfaceflinger/Surface.h>
+#include <gui/Surface.h>
 
 namespace android {
 
@@ -174,4 +174,4 @@
 // ---------------------------------------------------------------------------
 }; // namespace android
 
-#endif // ANDROID_SF_SURFACE_COMPOSER_CLIENT_H
+#endif // ANDROID_GUI_SURFACE_COMPOSER_CLIENT_H
diff --git a/include/gui/SurfaceTexture.h b/include/gui/SurfaceTexture.h
index 5531e53..dcab049 100644
--- a/include/gui/SurfaceTexture.h
+++ b/include/gui/SurfaceTexture.h
@@ -153,8 +153,8 @@
     void setName(const String8& name);
 
     // dump our state in a String
-    virtual void dump(String8& result) const;
-    virtual void dump(String8& result, const char* prefix, char* buffer, size_t SIZE) const;
+    void dump(String8& result) const;
+    void dump(String8& result, const char* prefix, char* buffer, size_t SIZE) const;
 
 protected:
 
@@ -217,56 +217,6 @@
     // browser's tile cache exceeds.
     const GLenum mTexTarget;
 
-    // SurfaceTexture maintains EGL information about GraphicBuffers that corresponds
-    // directly with BufferQueue's buffers
-    struct EGLSlot {
-        EGLSlot()
-        : mEglImage(EGL_NO_IMAGE_KHR),
-          mEglDisplay(EGL_NO_DISPLAY),
-          mFence(EGL_NO_SYNC_KHR) {
-        }
-
-        sp<GraphicBuffer> mGraphicBuffer;
-
-        // mEglImage is the EGLImage created from mGraphicBuffer.
-        EGLImageKHR mEglImage;
-
-        // mEglDisplay is the EGLDisplay used to create mEglImage.
-        EGLDisplay mEglDisplay;
-
-        // mFence is the EGL sync object that must signal before the buffer
-        // associated with this buffer slot may be dequeued. It is initialized
-        // to EGL_NO_SYNC_KHR when the buffer is created and (optionally, based
-        // on a compile-time option) set to a new sync object in updateTexImage.
-        EGLSyncKHR mFence;
-    };
-
-    EGLSlot mEGLSlots[NUM_BUFFER_SLOTS];
-
-    // mAbandoned indicates that the BufferQueue will no longer be used to
-    // consume images buffers pushed to it using the ISurfaceTexture interface.
-    // It is initialized to false, and set to true in the abandon method.  A
-    // BufferQueue that has been abandoned will return the NO_INIT error from
-    // all ISurfaceTexture methods capable of returning an error.
-    bool mAbandoned;
-
-    // mName is a string used to identify the SurfaceTexture in log messages.
-    // It can be set by the setName method.
-    String8 mName;
-
-    // mMutex is the mutex used to prevent concurrent access to the member
-    // variables of SurfaceTexture objects. It must be locked whenever the
-    // member variables are accessed.
-    mutable Mutex mMutex;
-
-    // mCurrentTexture is the buffer slot index of the buffer that is currently
-    // bound to the OpenGL texture. It is initialized to INVALID_BUFFER_SLOT,
-    // indicating that no buffer slot is currently bound to the texture. Note,
-    // however, that a value of INVALID_BUFFER_SLOT does not necessarily mean
-    // that no buffer is bound to the texture. A call to setBufferCount will
-    // reset mCurrentTexture to INVALID_BUFFER_SLOT.
-    int mCurrentTexture;
-
 };
 
 // ----------------------------------------------------------------------------
diff --git a/include/private/surfaceflinger/LayerState.h b/include/private/gui/LayerState.h
similarity index 97%
rename from include/private/surfaceflinger/LayerState.h
rename to include/private/gui/LayerState.h
index 3eb5c99..ca277e0 100644
--- a/include/private/surfaceflinger/LayerState.h
+++ b/include/private/gui/LayerState.h
@@ -23,8 +23,7 @@
 #include <utils/Errors.h>
 
 #include <ui/Region.h>
-
-#include <surfaceflinger/ISurface.h>
+#include <gui/ISurface.h>
 
 namespace android {
 
diff --git a/include/private/surfaceflinger/SharedBufferStack.h b/include/private/gui/SharedBufferStack.h
similarity index 100%
rename from include/private/surfaceflinger/SharedBufferStack.h
rename to include/private/gui/SharedBufferStack.h
diff --git a/include/private/opengles/gl_context.h b/include/private/opengles/gl_context.h
deleted file mode 100644
index 6b1fa77..0000000
--- a/include/private/opengles/gl_context.h
+++ /dev/null
@@ -1,640 +0,0 @@
-/*
- * Copyright (C) 2006 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_OPENGLES_CONTEXT_H
-#define ANDROID_OPENGLES_CONTEXT_H
-
-#include <stdint.h>
-#include <stddef.h>
-#include <sys/types.h>
-#include <pthread.h>
-#ifdef HAVE_ANDROID_OS
-#include <bionic_tls.h>
-#endif
-
-#include <private/pixelflinger/ggl_context.h>
-#include <hardware/gralloc.h>
-
-#include <GLES/gl.h>
-#include <GLES/glext.h>
-
-namespace android {
-
-
-const unsigned int OGLES_NUM_COMPRESSED_TEXTURE_FORMATS = 10
-#ifdef GL_OES_compressed_ETC1_RGB8_texture
-        + 1
-#endif
-        ;
-
-class EGLTextureObject;
-class EGLSurfaceManager;
-class EGLBufferObjectManager;
-
-namespace gl {
-
-struct ogles_context_t;
-struct matrixx_t;
-struct transform_t;
-struct buffer_t;
-
-ogles_context_t* getGlContext();
-
-template<typename T>
-static inline void swap(T& a, T& b) {
-    T t(a); a = b; b = t;
-}
-template<typename T>
-inline T max(T a, T b) {
-    return a<b ? b : a;
-}
-template<typename T>
-inline T max(T a, T b, T c) {
-    return max(a, max(b, c));
-}
-template<typename T>
-inline T min(T a, T b) {
-    return a<b ? a : b;
-}
-template<typename T>
-inline T min(T a, T b, T c) {
-    return min(a, min(b, c));
-}
-template<typename T>
-inline T min(T a, T b, T c, T d) {
-    return min(min(a,b), min(c,d));
-}
-
-// ----------------------------------------------------------------------------
-// vertices
-// ----------------------------------------------------------------------------
-
-struct vec3_t {
-    union {
-        struct { GLfixed x, y, z; };
-        struct { GLfixed r, g, b; };
-        struct { GLfixed S, T, R; };
-        GLfixed v[3];
-    };
-};
-
-struct vec4_t {
-    union {
-        struct { GLfixed x, y, z, w; };
-        struct { GLfixed r, g, b, a; };
-        struct { GLfixed S, T, R, Q; };
-        GLfixed v[4];
-    };
-};
-
-struct vertex_t {
-    enum {
-        // these constant matter for our clipping
-        CLIP_L          = 0x0001,   // clipping flags
-        CLIP_R          = 0x0002,
-        CLIP_B          = 0x0004,
-        CLIP_T          = 0x0008,
-        CLIP_N          = 0x0010,
-        CLIP_F          = 0x0020,
-
-        EYE             = 0x0040,
-        RESERVED        = 0x0080,
-
-        USER_CLIP_0     = 0x0100,   // user clipping flags
-        USER_CLIP_1     = 0x0200,
-        USER_CLIP_2     = 0x0400,
-        USER_CLIP_3     = 0x0800,
-        USER_CLIP_4     = 0x1000,
-        USER_CLIP_5     = 0x2000,
-
-        LIT             = 0x4000,   // lighting has been applied
-        TT              = 0x8000,   // texture coords transformed
-
-        FRUSTUM_CLIP_ALL= 0x003F,
-        USER_CLIP_ALL   = 0x3F00,
-        CLIP_ALL        = 0x3F3F,
-    };
-
-    // the fields below are arranged to minimize d-cache usage
-    // we group together, by cache-line, the fields most likely to be used
-
-    union {
-    vec4_t          obj;
-    vec4_t          eye;
-    };
-    vec4_t          clip;
-
-    uint32_t        flags;
-    size_t          index;  // cache tag, and vertex index
-    GLfixed         fog;
-    uint8_t         locked;
-    uint8_t         mru;
-    uint8_t         reserved[2];
-    vec4_t          window;
-
-    vec4_t          color;
-    vec4_t          texture[GGL_TEXTURE_UNIT_COUNT];
-    uint32_t        reserved1[4];
-
-    inline void clear() {
-        flags = index = locked = mru = 0;
-    }
-};
-
-struct point_size_t {
-    GGLcoord    size;
-    GLboolean   smooth;
-};
-
-struct line_width_t {
-    GGLcoord    width;
-    GLboolean   smooth;
-};
-
-struct polygon_offset_t {
-    GLfixed     factor;
-    GLfixed     units;
-    GLboolean   enable;
-};
-
-// ----------------------------------------------------------------------------
-// arrays
-// ----------------------------------------------------------------------------
-
-struct array_t {
-    typedef void (*fetcher_t)(ogles_context_t*, GLfixed*, const GLvoid*);
-    fetcher_t       fetch;
-    GLvoid const*   physical_pointer;
-    GLint           size;
-    GLsizei         stride;
-    GLvoid const*   pointer;
-    buffer_t const* bo;
-    uint16_t        type;
-    GLboolean       enable;
-    GLboolean       pad;
-    GLsizei         bounds;
-    void init(GLint, GLenum, GLsizei, const GLvoid *, const buffer_t*, GLsizei);
-    inline void resolve();
-    inline const GLubyte* element(GLint i) const {
-        return (const GLubyte*)physical_pointer + i * stride;
-    }
-};
-
-struct array_machine_t {
-    array_t         vertex;
-    array_t         normal;
-    array_t         color;
-    array_t         texture[GGL_TEXTURE_UNIT_COUNT];
-    uint8_t         activeTexture;
-    uint8_t         tmu;
-    uint16_t        cull;
-    uint32_t        flags;
-    GLenum          indicesType;
-    buffer_t const* array_buffer;
-    buffer_t const* element_array_buffer;
-
-    void (*compileElements)(ogles_context_t*, vertex_t*, GLint, GLsizei);
-    void (*compileElement)(ogles_context_t*, vertex_t*, GLint);
-
-    void (*mvp_transform)(transform_t const*, vec4_t*, vec4_t const*);
-    void (*mv_transform)(transform_t const*, vec4_t*, vec4_t const*);
-    void (*tex_transform[2])(transform_t const*, vec4_t*, vec4_t const*);
-    void (*perspective)(ogles_context_t*c, vertex_t* v);
-    void (*clipVertex)(ogles_context_t* c, vertex_t* nv,
-            GGLfixed t, const vertex_t* s, const vertex_t* p);
-    void (*clipEye)(ogles_context_t* c, vertex_t* nv,
-            GGLfixed t, const vertex_t* s, const vertex_t* p);
-};
-
-struct vertex_cache_t {
-    enum {
-        // must be at least 4
-        // 3 vertice for triangles
-        // or 2 + 2 for indexed triangles w/ cache contention
-        VERTEX_BUFFER_SIZE  = 8,
-        // must be a power of two and at least 3
-        VERTEX_CACHE_SIZE   = 64,   // 8 KB
-
-        INDEX_BITS      = 16,
-        INDEX_MASK      = ((1LU<<INDEX_BITS)-1),
-        INDEX_SEQ       = 1LU<<INDEX_BITS,
-    };
-    vertex_t*       vBuffer;
-    vertex_t*       vCache;
-    uint32_t        sequence;
-    void*           base;
-    uint32_t        total;
-    uint32_t        misses;
-    int64_t         startTime;
-    void init();
-    void uninit();
-    void clear();
-    void dump_stats(GLenum mode);
-};
-
-// ----------------------------------------------------------------------------
-// fog
-// ----------------------------------------------------------------------------
-
-struct fog_t {
-    GLfixed     density;
-    GLfixed     start;
-    GLfixed     end;
-    GLfixed     invEndMinusStart;
-    GLenum      mode;
-    GLfixed     (*fog)(ogles_context_t* c, GLfixed z);
-};
-
-// ----------------------------------------------------------------------------
-// user clip planes
-// ----------------------------------------------------------------------------
-
-const unsigned int OGLES_MAX_CLIP_PLANES = 6;
-
-struct clip_plane_t {
-    vec4_t      equation;
-};
-
-struct user_clip_planes_t {
-    clip_plane_t    plane[OGLES_MAX_CLIP_PLANES];
-    uint32_t        enable;
-};
-
-// ----------------------------------------------------------------------------
-// lighting
-// ----------------------------------------------------------------------------
-
-const unsigned int OGLES_MAX_LIGHTS = 8;
-
-struct light_t {
-    vec4_t      ambient;
-    vec4_t      diffuse;
-    vec4_t      specular;
-    vec4_t      implicitAmbient;
-    vec4_t      implicitDiffuse;
-    vec4_t      implicitSpecular;
-    vec4_t      position;       // position in eye space
-    vec4_t      objPosition;
-    vec4_t      normalizedObjPosition;
-    vec4_t      spotDir;
-    vec4_t      normalizedSpotDir;
-    GLfixed     spotExp;
-    GLfixed     spotCutoff;
-    GLfixed     spotCutoffCosine;
-    GLfixed     attenuation[3];
-    GLfixed     rConstAttenuation;
-    GLboolean   enable;
-};
-
-struct material_t {
-    vec4_t      ambient;
-    vec4_t      diffuse;
-    vec4_t      specular;
-    vec4_t      emission;
-    GLfixed     shininess;
-};
-
-struct light_model_t {
-    vec4_t      ambient;
-    GLboolean   twoSide;
-};
-
-struct color_material_t {
-    GLenum      face;
-    GLenum      mode;
-    GLboolean   enable;
-};
-
-struct lighting_t {
-    light_t             lights[OGLES_MAX_LIGHTS];
-    material_t          front;
-    light_model_t       lightModel;
-    color_material_t    colorMaterial;
-    vec4_t              implicitSceneEmissionAndAmbient;
-    vec4_t              objViewer;
-    uint32_t            enabledLights;
-    GLboolean           enable;
-    GLenum              shadeModel;
-    typedef void (*light_fct_t)(ogles_context_t*, vertex_t*);
-    void (*lightVertex)(ogles_context_t* c, vertex_t* v);
-    void (*lightTriangle)(ogles_context_t* c,
-            vertex_t* v0, vertex_t* v1, vertex_t* v2);
-};
-
-struct culling_t {
-    GLenum      cullFace;
-    GLenum      frontFace;
-    GLboolean   enable;
-};
-
-// ----------------------------------------------------------------------------
-// textures
-// ----------------------------------------------------------------------------
-
-struct texture_unit_t {
-    GLuint              name;
-    EGLTextureObject*   texture;
-    uint8_t             dirty;
-};
-
-struct texture_state_t
-{
-    texture_unit_t      tmu[GGL_TEXTURE_UNIT_COUNT];
-    int                 active;     // active tmu
-    EGLTextureObject*   defaultTexture;
-    GGLContext*         ggl;
-    uint8_t             packAlignment;
-    uint8_t             unpackAlignment;
-};
-
-// ----------------------------------------------------------------------------
-// transformation and matrices
-// ----------------------------------------------------------------------------
-
-struct matrixf_t;
-
-struct matrixx_t {
-    GLfixed m[16];
-    void load(const matrixf_t& rhs);
-};
-
-struct matrix_stack_t;
-
-
-struct matrixf_t {
-    void loadIdentity();
-    void load(const matrixf_t& rhs);
-
-    inline GLfloat* editElements() { return m; }
-    inline GLfloat const* elements() const { return m; }
-
-    void set(const GLfixed* rhs);
-    void set(const GLfloat* rhs);
-
-    static void multiply(matrixf_t& r,
-            const matrixf_t& lhs, const matrixf_t& rhs);
-
-    void dump(const char* what);
-
-private:
-    friend struct matrix_stack_t;
-    GLfloat     m[16];
-    void load(const GLfixed* rhs);
-    void load(const GLfloat* rhs);
-    void multiply(const matrixf_t& rhs);
-    void translate(GLfloat x, GLfloat y, GLfloat z);
-    void scale(GLfloat x, GLfloat y, GLfloat z);
-    void rotate(GLfloat a, GLfloat x, GLfloat y, GLfloat z);
-};
-
-enum {
-    OP_IDENTITY         = 0x00,
-    OP_TRANSLATE        = 0x01,
-    OP_UNIFORM_SCALE    = 0x02,
-    OP_SCALE            = 0x05,
-    OP_ROTATE           = 0x08,
-    OP_SKEW             = 0x10,
-    OP_ALL              = 0x1F
-};
-
-struct transform_t {
-    enum {
-        FLAGS_2D_PROJECTION = 0x1
-    };
-    matrixx_t       matrix;
-    uint32_t        flags;
-    uint32_t        ops;
-
-    union {
-        struct {
-            void (*point2)(transform_t const* t, vec4_t*, vec4_t const*);
-            void (*point3)(transform_t const* t, vec4_t*, vec4_t const*);
-            void (*point4)(transform_t const* t, vec4_t*, vec4_t const*);
-        };
-        void (*pointv[3])(transform_t const* t, vec4_t*, vec4_t const*);
-    };
-
-    void loadIdentity();
-    void picker();
-    void dump(const char* what);
-};
-
-struct mvui_transform_t : public transform_t
-{
-    void picker();
-};
-
-struct matrix_stack_t {
-    enum {
-        DO_PICKER           = 0x1,
-        DO_FLOAT_TO_FIXED   = 0x2
-    };
-    transform_t     transform;
-    uint8_t         maxDepth;
-    uint8_t         depth;
-    uint8_t         dirty;
-    uint8_t         reserved;
-    matrixf_t       *stack;
-    uint8_t         *ops;
-    void init(int depth);
-    void uninit();
-    void loadIdentity();
-    void load(const GLfixed* rhs);
-    void load(const GLfloat* rhs);
-    void multiply(const matrixf_t& rhs);
-    void translate(GLfloat x, GLfloat y, GLfloat z);
-    void scale(GLfloat x, GLfloat y, GLfloat z);
-    void rotate(GLfloat a, GLfloat x, GLfloat y, GLfloat z);
-    GLint push();
-    GLint pop();
-    void validate();
-    matrixf_t& top() { return stack[depth]; }
-    const matrixf_t& top() const { return stack[depth]; }
-    uint32_t top_ops() const { return ops[depth]; }
-    inline bool isRigidBody() const {
-        return !(ops[depth] & ~(OP_TRANSLATE|OP_UNIFORM_SCALE|OP_ROTATE));
-    }
-};
-
-struct vp_transform_t {
-    transform_t     transform;
-    matrixf_t       matrix;
-    GLfloat         zNear;
-    GLfloat         zFar;
-    void loadIdentity();
-};
-
-struct transform_state_t {
-    enum {
-        MODELVIEW           = 0x01,
-        PROJECTION          = 0x02,
-        VIEWPORT            = 0x04,
-        TEXTURE             = 0x08,
-        MVUI                = 0x10,
-        MVIT                = 0x20,
-        MVP                 = 0x40,
-    };
-    matrix_stack_t      *current;
-    matrix_stack_t      modelview;
-    matrix_stack_t      projection;
-    matrix_stack_t      texture[GGL_TEXTURE_UNIT_COUNT];
-
-    // modelview * projection
-    transform_t         mvp     __attribute__((aligned(32)));
-    // viewport transformation
-    vp_transform_t      vpt     __attribute__((aligned(32)));
-    // same for 4-D vertices
-    transform_t         mvp4;
-    // full modelview inverse transpose
-    transform_t         mvit4;
-    // upper 3x3 of mv-inverse-transpose (for normals)
-    mvui_transform_t    mvui;
-
-    GLenum              matrixMode;
-    GLenum              rescaleNormals;
-    uint32_t            dirty;
-    void invalidate();
-    void update_mvp();
-    void update_mvit();
-    void update_mvui();
-};
-
-struct viewport_t {
-    GLint       x;
-    GLint       y;
-    GLsizei     w;
-    GLsizei     h;
-    struct {
-        GLint       x;
-        GLint       y;
-    } surfaceport;
-    struct {
-        GLint       x;
-        GLint       y;
-        GLsizei     w;
-        GLsizei     h;
-    } scissor;
-};
-
-// ----------------------------------------------------------------------------
-// Lerping
-// ----------------------------------------------------------------------------
-
-struct compute_iterators_t
-{
-    void initTriangle(
-            vertex_t const* v0,
-            vertex_t const* v1,
-            vertex_t const* v2);
-
-    void initLine(
-            vertex_t const* v0,
-            vertex_t const* v1);
-
-    inline void initLerp(vertex_t const* v0, uint32_t enables);
-
-    int iteratorsScale(int32_t it[3],
-            int32_t c0, int32_t c1, int32_t c2) const;
-
-    void iterators1616(GGLfixed it[3],
-            GGLfixed c0, GGLfixed c1, GGLfixed c2) const;
-
-    void iterators0032(int32_t it[3],
-            int32_t c0, int32_t c1, int32_t c2) const;
-
-    void iterators0032(int64_t it[3],
-            int32_t c0, int32_t c1, int32_t c2) const;
-
-    GGLcoord area() const { return m_area; }
-
-private:
-    // don't change order of members here -- used by iterators.S
-    GGLcoord m_dx01, m_dy10, m_dx20, m_dy02;
-    GGLcoord m_x0, m_y0;
-    GGLcoord m_area;
-    uint8_t m_scale;
-    uint8_t m_area_scale;
-    uint8_t m_reserved[2];
-
-};
-
-// ----------------------------------------------------------------------------
-// state
-// ----------------------------------------------------------------------------
-
-#ifdef HAVE_ANDROID_OS
-    // We have a dedicated TLS slot in bionic
-    inline void setGlThreadSpecific(ogles_context_t *value) {
-        ((uint32_t *)__get_tls())[TLS_SLOT_OPENGL] = (uint32_t)value;
-    }
-    inline ogles_context_t* getGlThreadSpecific() {
-        return (ogles_context_t *)(((unsigned *)__get_tls())[TLS_SLOT_OPENGL]);
-    }
-#else
-    extern pthread_key_t gGLKey;
-    inline void setGlThreadSpecific(ogles_context_t *value) {
-        pthread_setspecific(gGLKey, value);
-    }
-    inline ogles_context_t* getGlThreadSpecific() {
-        return static_cast<ogles_context_t*>(pthread_getspecific(gGLKey));
-    }
-#endif
-
-
-struct prims_t {
-    typedef ogles_context_t* GL;
-    void (*renderPoint)(GL, vertex_t*);
-    void (*renderLine)(GL, vertex_t*, vertex_t*);
-    void (*renderTriangle)(GL, vertex_t*, vertex_t*, vertex_t*);
-};
-
-struct ogles_context_t {
-    context_t               rasterizer;
-    array_machine_t         arrays         __attribute__((aligned(32)));
-    texture_state_t         textures;
-    transform_state_t       transforms;
-    vertex_cache_t          vc;
-    prims_t                 prims;
-    culling_t               cull;
-    lighting_t              lighting;
-    user_clip_planes_t      clipPlanes;
-    compute_iterators_t     lerp;           __attribute__((aligned(32)));
-    vertex_t                current;
-    vec4_t                  currentColorClamped;
-    vec3_t                  currentNormal;
-    viewport_t              viewport;
-    point_size_t            point;
-    line_width_t            line;
-    polygon_offset_t        polygonOffset;
-    fog_t                   fog;
-    uint32_t                perspective : 1;
-    uint32_t                transformTextures : 1;
-    EGLSurfaceManager*      surfaceManager;
-    EGLBufferObjectManager* bufferObjectManager;
-
-    GLenum                  error;
-
-    static inline ogles_context_t* get() {
-        return getGlThreadSpecific();
-    }
-
-};
-
-}; // namespace gl
-}; // namespace android
-
-#endif // ANDROID_OPENGLES_CONTEXT_H
-
diff --git a/include/utils/AndroidThreads.h b/include/utils/AndroidThreads.h
new file mode 100644
index 0000000..f9f7aa4
--- /dev/null
+++ b/include/utils/AndroidThreads.h
@@ -0,0 +1,136 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _LIBS_UTILS_ANDROID_THREADS_H
+#define _LIBS_UTILS_ANDROID_THREADS_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#if defined(HAVE_PTHREADS)
+# include <pthread.h>
+#endif
+
+#include <utils/ThreadDefs.h>
+
+// ---------------------------------------------------------------------------
+// C API
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// Create and run a new thread.
+extern int androidCreateThread(android_thread_func_t, void *);
+
+// Create thread with lots of parameters
+extern int androidCreateThreadEtc(android_thread_func_t entryFunction,
+                                  void *userData,
+                                  const char* threadName,
+                                  int32_t threadPriority,
+                                  size_t threadStackSize,
+                                  android_thread_id_t *threadId);
+
+// Get some sort of unique identifier for the current thread.
+extern android_thread_id_t androidGetThreadId();
+
+// Low-level thread creation -- never creates threads that can
+// interact with the Java VM.
+extern int androidCreateRawThreadEtc(android_thread_func_t entryFunction,
+                                     void *userData,
+                                     const char* threadName,
+                                     int32_t threadPriority,
+                                     size_t threadStackSize,
+                                     android_thread_id_t *threadId);
+
+// Used by the Java Runtime to control how threads are created, so that
+// they can be proper and lovely Java threads.
+typedef int (*android_create_thread_fn)(android_thread_func_t entryFunction,
+                                        void *userData,
+                                        const char* threadName,
+                                        int32_t threadPriority,
+                                        size_t threadStackSize,
+                                        android_thread_id_t *threadId);
+
+extern void androidSetCreateThreadFunc(android_create_thread_fn func);
+
+// ------------------------------------------------------------------
+// Extra functions working with raw pids.
+
+// Get pid for the current thread.
+extern pid_t androidGetTid();
+
+// Change the scheduling group of a particular thread.  The group
+// should be one of the ANDROID_TGROUP constants.  Returns BAD_VALUE if
+// grp is out of range, else another non-zero value with errno set if
+// the operation failed.  Thread ID zero means current thread.
+extern int androidSetThreadSchedulingGroup(pid_t tid, int grp);
+
+// Change the priority AND scheduling group of a particular thread.  The priority
+// should be one of the ANDROID_PRIORITY constants.  Returns INVALID_OPERATION
+// if the priority set failed, else another value if just the group set failed;
+// in either case errno is set.  Thread ID zero means current thread.
+extern int androidSetThreadPriority(pid_t tid, int prio);
+
+// Get the current priority of a particular thread. Returns one of the
+// ANDROID_PRIORITY constants or a negative result in case of error.
+extern int androidGetThreadPriority(pid_t tid);
+
+// Get the current scheduling group of a particular thread. Normally returns
+// one of the ANDROID_TGROUP constants other than ANDROID_TGROUP_DEFAULT.
+// Returns ANDROID_TGROUP_DEFAULT if no pthread support (e.g. on host) or if
+// scheduling groups are disabled.  Returns INVALID_OPERATION if unexpected error.
+// Thread ID zero means current thread.
+extern int androidGetThreadSchedulingGroup(pid_t tid);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+// ----------------------------------------------------------------------------
+// C++ API
+#ifdef __cplusplus
+namespace android {
+// ----------------------------------------------------------------------------
+
+// Create and run a new thread.
+inline bool createThread(thread_func_t f, void *a) {
+    return androidCreateThread(f, a) ? true : false;
+}
+
+// Create thread with lots of parameters
+inline bool createThreadEtc(thread_func_t entryFunction,
+                            void *userData,
+                            const char* threadName = "android:unnamed_thread",
+                            int32_t threadPriority = PRIORITY_DEFAULT,
+                            size_t threadStackSize = 0,
+                            thread_id_t *threadId = 0)
+{
+    return androidCreateThreadEtc(entryFunction, userData, threadName,
+        threadPriority, threadStackSize, threadId) ? true : false;
+}
+
+// Get some sort of unique identifier for the current thread.
+inline thread_id_t getThreadId() {
+    return androidGetThreadId();
+}
+
+// ----------------------------------------------------------------------------
+}; // namespace android
+#endif  // __cplusplus
+// ----------------------------------------------------------------------------
+
+#endif // _LIBS_UTILS_ANDROID_THREADS_H
diff --git a/include/utils/Condition.h b/include/utils/Condition.h
new file mode 100644
index 0000000..8852d53
--- /dev/null
+++ b/include/utils/Condition.h
@@ -0,0 +1,134 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _LIBS_UTILS_CONDITION_H
+#define _LIBS_UTILS_CONDITION_H
+
+#include <stdint.h>
+#include <sys/types.h>
+#include <time.h>
+
+#if defined(HAVE_PTHREADS)
+# include <pthread.h>
+#endif
+
+#include <utils/Errors.h>
+#include <utils/Mutex.h>
+#include <utils/Timers.h>
+
+// ---------------------------------------------------------------------------
+namespace android {
+// ---------------------------------------------------------------------------
+
+/*
+ * Condition variable class.  The implementation is system-dependent.
+ *
+ * Condition variables are paired up with mutexes.  Lock the mutex,
+ * call wait(), then either re-wait() if things aren't quite what you want,
+ * or unlock the mutex and continue.  All threads calling wait() must
+ * use the same mutex for a given Condition.
+ */
+class Condition {
+public:
+    enum {
+        PRIVATE = 0,
+        SHARED = 1
+    };
+
+    Condition();
+    Condition(int type);
+    ~Condition();
+    // Wait on the condition variable.  Lock the mutex before calling.
+    status_t wait(Mutex& mutex);
+    // same with relative timeout
+    status_t waitRelative(Mutex& mutex, nsecs_t reltime);
+    // Signal the condition variable, allowing one thread to continue.
+    void signal();
+    // Signal the condition variable, allowing all threads to continue.
+    void broadcast();
+
+private:
+#if defined(HAVE_PTHREADS)
+    pthread_cond_t mCond;
+#else
+    void*   mState;
+#endif
+};
+
+// ---------------------------------------------------------------------------
+
+#if defined(HAVE_PTHREADS)
+
+inline Condition::Condition() {
+    pthread_cond_init(&mCond, NULL);
+}
+inline Condition::Condition(int type) {
+    if (type == SHARED) {
+        pthread_condattr_t attr;
+        pthread_condattr_init(&attr);
+        pthread_condattr_setpshared(&attr, PTHREAD_PROCESS_SHARED);
+        pthread_cond_init(&mCond, &attr);
+        pthread_condattr_destroy(&attr);
+    } else {
+        pthread_cond_init(&mCond, NULL);
+    }
+}
+inline Condition::~Condition() {
+    pthread_cond_destroy(&mCond);
+}
+inline status_t Condition::wait(Mutex& mutex) {
+    return -pthread_cond_wait(&mCond, &mutex.mMutex);
+}
+inline status_t Condition::waitRelative(Mutex& mutex, nsecs_t reltime) {
+#if defined(HAVE_PTHREAD_COND_TIMEDWAIT_RELATIVE)
+    struct timespec ts;
+    ts.tv_sec  = reltime/1000000000;
+    ts.tv_nsec = reltime%1000000000;
+    return -pthread_cond_timedwait_relative_np(&mCond, &mutex.mMutex, &ts);
+#else // HAVE_PTHREAD_COND_TIMEDWAIT_RELATIVE
+    struct timespec ts;
+#if defined(HAVE_POSIX_CLOCKS)
+    clock_gettime(CLOCK_REALTIME, &ts);
+#else // HAVE_POSIX_CLOCKS
+    // we don't support the clocks here.
+    struct timeval t;
+    gettimeofday(&t, NULL);
+    ts.tv_sec = t.tv_sec;
+    ts.tv_nsec= t.tv_usec*1000;
+#endif // HAVE_POSIX_CLOCKS
+    ts.tv_sec += reltime/1000000000;
+    ts.tv_nsec+= reltime%1000000000;
+    if (ts.tv_nsec >= 1000000000) {
+        ts.tv_nsec -= 1000000000;
+        ts.tv_sec  += 1;
+    }
+    return -pthread_cond_timedwait(&mCond, &mutex.mMutex, &ts);
+#endif // HAVE_PTHREAD_COND_TIMEDWAIT_RELATIVE
+}
+inline void Condition::signal() {
+    pthread_cond_signal(&mCond);
+}
+inline void Condition::broadcast() {
+    pthread_cond_broadcast(&mCond);
+}
+
+#endif // HAVE_PTHREADS
+
+// ---------------------------------------------------------------------------
+}; // namespace android
+// ---------------------------------------------------------------------------
+
+#endif // _LIBS_UTILS_CONDITON_H
diff --git a/include/utils/Mutex.h b/include/utils/Mutex.h
new file mode 100644
index 0000000..de6fb39
--- /dev/null
+++ b/include/utils/Mutex.h
@@ -0,0 +1,137 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _LIBS_UTILS_MUTEX_H
+#define _LIBS_UTILS_MUTEX_H
+
+#include <stdint.h>
+#include <sys/types.h>
+#include <time.h>
+
+#if defined(HAVE_PTHREADS)
+# include <pthread.h>
+#endif
+
+#include <utils/Errors.h>
+
+// ---------------------------------------------------------------------------
+namespace android {
+// ---------------------------------------------------------------------------
+
+class Condition;
+
+/*
+ * Simple mutex class.  The implementation is system-dependent.
+ *
+ * The mutex must be unlocked by the thread that locked it.  They are not
+ * recursive, i.e. the same thread can't lock it multiple times.
+ */
+class Mutex {
+public:
+    enum {
+        PRIVATE = 0,
+        SHARED = 1
+    };
+    
+                Mutex();
+                Mutex(const char* name);
+                Mutex(int type, const char* name = NULL);
+                ~Mutex();
+
+    // lock or unlock the mutex
+    status_t    lock();
+    void        unlock();
+
+    // lock if possible; returns 0 on success, error otherwise
+    status_t    tryLock();
+
+    // Manages the mutex automatically. It'll be locked when Autolock is
+    // constructed and released when Autolock goes out of scope.
+    class Autolock {
+    public:
+        inline Autolock(Mutex& mutex) : mLock(mutex)  { mLock.lock(); }
+        inline Autolock(Mutex* mutex) : mLock(*mutex) { mLock.lock(); }
+        inline ~Autolock() { mLock.unlock(); }
+    private:
+        Mutex& mLock;
+    };
+
+private:
+    friend class Condition;
+    
+    // A mutex cannot be copied
+                Mutex(const Mutex&);
+    Mutex&      operator = (const Mutex&);
+    
+#if defined(HAVE_PTHREADS)
+    pthread_mutex_t mMutex;
+#else
+    void    _init();
+    void*   mState;
+#endif
+};
+
+// ---------------------------------------------------------------------------
+
+#if defined(HAVE_PTHREADS)
+
+inline Mutex::Mutex() {
+    pthread_mutex_init(&mMutex, NULL);
+}
+inline Mutex::Mutex(const char* name) {
+    pthread_mutex_init(&mMutex, NULL);
+}
+inline Mutex::Mutex(int type, const char* name) {
+    if (type == SHARED) {
+        pthread_mutexattr_t attr;
+        pthread_mutexattr_init(&attr);
+        pthread_mutexattr_setpshared(&attr, PTHREAD_PROCESS_SHARED);
+        pthread_mutex_init(&mMutex, &attr);
+        pthread_mutexattr_destroy(&attr);
+    } else {
+        pthread_mutex_init(&mMutex, NULL);
+    }
+}
+inline Mutex::~Mutex() {
+    pthread_mutex_destroy(&mMutex);
+}
+inline status_t Mutex::lock() {
+    return -pthread_mutex_lock(&mMutex);
+}
+inline void Mutex::unlock() {
+    pthread_mutex_unlock(&mMutex);
+}
+inline status_t Mutex::tryLock() {
+    return -pthread_mutex_trylock(&mMutex);
+}
+
+#endif // HAVE_PTHREADS
+
+// ---------------------------------------------------------------------------
+
+/*
+ * Automatic mutex.  Declare one of these at the top of a function.
+ * When the function returns, it will go out of scope, and release the
+ * mutex.
+ */
+ 
+typedef Mutex::Autolock AutoMutex;
+
+// ---------------------------------------------------------------------------
+}; // namespace android
+// ---------------------------------------------------------------------------
+
+#endif // _LIBS_UTILS_MUTEX_H
diff --git a/include/utils/RWLock.h b/include/utils/RWLock.h
new file mode 100644
index 0000000..a5abea2
--- /dev/null
+++ b/include/utils/RWLock.h
@@ -0,0 +1,126 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _LIBS_UTILS_RWLOCK_H
+#define _LIBS_UTILS_RWLOCK_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#if defined(HAVE_PTHREADS)
+# include <pthread.h>
+#endif
+
+#include <utils/Errors.h>
+#include <utils/ThreadDefs.h>
+
+// ---------------------------------------------------------------------------
+namespace android {
+// ---------------------------------------------------------------------------
+
+#if defined(HAVE_PTHREADS)
+
+/*
+ * Simple mutex class.  The implementation is system-dependent.
+ *
+ * The mutex must be unlocked by the thread that locked it.  They are not
+ * recursive, i.e. the same thread can't lock it multiple times.
+ */
+class RWLock {
+public:
+    enum {
+        PRIVATE = 0,
+        SHARED = 1
+    };
+
+                RWLock();
+                RWLock(const char* name);
+                RWLock(int type, const char* name = NULL);
+                ~RWLock();
+
+    status_t    readLock();
+    status_t    tryReadLock();
+    status_t    writeLock();
+    status_t    tryWriteLock();
+    void        unlock();
+
+    class AutoRLock {
+    public:
+        inline AutoRLock(RWLock& rwlock) : mLock(rwlock)  { mLock.readLock(); }
+        inline ~AutoRLock() { mLock.unlock(); }
+    private:
+        RWLock& mLock;
+    };
+
+    class AutoWLock {
+    public:
+        inline AutoWLock(RWLock& rwlock) : mLock(rwlock)  { mLock.writeLock(); }
+        inline ~AutoWLock() { mLock.unlock(); }
+    private:
+        RWLock& mLock;
+    };
+
+private:
+    // A RWLock cannot be copied
+                RWLock(const RWLock&);
+   RWLock&      operator = (const RWLock&);
+
+   pthread_rwlock_t mRWLock;
+};
+
+inline RWLock::RWLock() {
+    pthread_rwlock_init(&mRWLock, NULL);
+}
+inline RWLock::RWLock(const char* name) {
+    pthread_rwlock_init(&mRWLock, NULL);
+}
+inline RWLock::RWLock(int type, const char* name) {
+    if (type == SHARED) {
+        pthread_rwlockattr_t attr;
+        pthread_rwlockattr_init(&attr);
+        pthread_rwlockattr_setpshared(&attr, PTHREAD_PROCESS_SHARED);
+        pthread_rwlock_init(&mRWLock, &attr);
+        pthread_rwlockattr_destroy(&attr);
+    } else {
+        pthread_rwlock_init(&mRWLock, NULL);
+    }
+}
+inline RWLock::~RWLock() {
+    pthread_rwlock_destroy(&mRWLock);
+}
+inline status_t RWLock::readLock() {
+    return -pthread_rwlock_rdlock(&mRWLock);
+}
+inline status_t RWLock::tryReadLock() {
+    return -pthread_rwlock_tryrdlock(&mRWLock);
+}
+inline status_t RWLock::writeLock() {
+    return -pthread_rwlock_wrlock(&mRWLock);
+}
+inline status_t RWLock::tryWriteLock() {
+    return -pthread_rwlock_trywrlock(&mRWLock);
+}
+inline void RWLock::unlock() {
+    pthread_rwlock_unlock(&mRWLock);
+}
+
+#endif // HAVE_PTHREADS
+
+// ---------------------------------------------------------------------------
+}; // namespace android
+// ---------------------------------------------------------------------------
+
+#endif // _LIBS_UTILS_RWLOCK_H
diff --git a/include/utils/Thread.h b/include/utils/Thread.h
new file mode 100644
index 0000000..4a34abd
--- /dev/null
+++ b/include/utils/Thread.h
@@ -0,0 +1,113 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _LIBS_UTILS_THREAD_H
+#define _LIBS_UTILS_THREAD_H
+
+#include <stdint.h>
+#include <sys/types.h>
+#include <time.h>
+
+#if defined(HAVE_PTHREADS)
+# include <pthread.h>
+#endif
+
+#include <utils/Condition.h>
+#include <utils/Errors.h>
+#include <utils/Mutex.h>
+#include <utils/RefBase.h>
+#include <utils/Timers.h>
+#include <utils/ThreadDefs.h>
+
+// ---------------------------------------------------------------------------
+namespace android {
+// ---------------------------------------------------------------------------
+
+class Thread : virtual public RefBase
+{
+public:
+    // Create a Thread object, but doesn't create or start the associated
+    // thread. See the run() method.
+                        Thread(bool canCallJava = true);
+    virtual             ~Thread();
+
+    // Start the thread in threadLoop() which needs to be implemented.
+    virtual status_t    run(    const char* name = 0,
+                                int32_t priority = PRIORITY_DEFAULT,
+                                size_t stack = 0);
+    
+    // Ask this object's thread to exit. This function is asynchronous, when the
+    // function returns the thread might still be running. Of course, this
+    // function can be called from a different thread.
+    virtual void        requestExit();
+
+    // Good place to do one-time initializations
+    virtual status_t    readyToRun();
+    
+    // Call requestExit() and wait until this object's thread exits.
+    // BE VERY CAREFUL of deadlocks. In particular, it would be silly to call
+    // this function from this object's thread. Will return WOULD_BLOCK in
+    // that case.
+            status_t    requestExitAndWait();
+
+    // Wait until this object's thread exits. Returns immediately if not yet running.
+    // Do not call from this object's thread; will return WOULD_BLOCK in that case.
+            status_t    join();
+
+#ifdef HAVE_ANDROID_OS
+    // Return the thread's kernel ID, same as the thread itself calling gettid() or
+    // androidGetTid(), or -1 if the thread is not running.
+            pid_t       getTid() const;
+#endif
+
+protected:
+    // exitPending() returns true if requestExit() has been called.
+            bool        exitPending() const;
+    
+private:
+    // Derived class must implement threadLoop(). The thread starts its life
+    // here. There are two ways of using the Thread object:
+    // 1) loop: if threadLoop() returns true, it will be called again if
+    //          requestExit() wasn't called.
+    // 2) once: if threadLoop() returns false, the thread will exit upon return.
+    virtual bool        threadLoop() = 0;
+
+private:
+    Thread& operator=(const Thread&);
+    static  int             _threadLoop(void* user);
+    const   bool            mCanCallJava;
+    // always hold mLock when reading or writing
+            thread_id_t     mThread;
+    mutable Mutex           mLock;
+            Condition       mThreadExitedCondition;
+            status_t        mStatus;
+    // note that all accesses of mExitPending and mRunning need to hold mLock
+    volatile bool           mExitPending;
+    volatile bool           mRunning;
+            sp<Thread>      mHoldSelf;
+#ifdef HAVE_ANDROID_OS
+    // legacy for debugging, not used by getTid() as it is set by the child thread
+    // and so is not initialized until the child reaches that point
+            pid_t           mTid;
+#endif
+};
+
+
+}; // namespace android
+
+// ---------------------------------------------------------------------------
+#endif // _LIBS_UTILS_THREAD_H
+// ---------------------------------------------------------------------------
diff --git a/include/utils/ThreadDefs.h b/include/utils/ThreadDefs.h
new file mode 100644
index 0000000..3e56373
--- /dev/null
+++ b/include/utils/ThreadDefs.h
@@ -0,0 +1,123 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _LIBS_UTILS_THREAD_DEFS_H
+#define _LIBS_UTILS_THREAD_DEFS_H
+
+#include <stdint.h>
+#include <sys/types.h>
+#include <system/graphics.h>
+
+// ---------------------------------------------------------------------------
+// C API
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef void* android_thread_id_t;
+
+typedef int (*android_thread_func_t)(void*);
+
+enum {
+    /*
+     * ***********************************************
+     * ** Keep in sync with android.os.Process.java **
+     * ***********************************************
+     * 
+     * This maps directly to the "nice" priorities we use in Android.
+     * A thread priority should be chosen inverse-proportionally to
+     * the amount of work the thread is expected to do. The more work
+     * a thread will do, the less favorable priority it should get so that 
+     * it doesn't starve the system. Threads not behaving properly might
+     * be "punished" by the kernel.
+     * Use the levels below when appropriate. Intermediate values are
+     * acceptable, preferably use the {MORE|LESS}_FAVORABLE constants below.
+     */
+    ANDROID_PRIORITY_LOWEST         =  19,
+
+    /* use for background tasks */
+    ANDROID_PRIORITY_BACKGROUND     =  10,
+    
+    /* most threads run at normal priority */
+    ANDROID_PRIORITY_NORMAL         =   0,
+    
+    /* threads currently running a UI that the user is interacting with */
+    ANDROID_PRIORITY_FOREGROUND     =  -2,
+
+    /* the main UI thread has a slightly more favorable priority */
+    ANDROID_PRIORITY_DISPLAY        =  -4,
+    
+    /* ui service treads might want to run at a urgent display (uncommon) */
+    ANDROID_PRIORITY_URGENT_DISPLAY =  HAL_PRIORITY_URGENT_DISPLAY,
+    
+    /* all normal audio threads */
+    ANDROID_PRIORITY_AUDIO          = -16,
+    
+    /* service audio threads (uncommon) */
+    ANDROID_PRIORITY_URGENT_AUDIO   = -19,
+
+    /* should never be used in practice. regular process might not 
+     * be allowed to use this level */
+    ANDROID_PRIORITY_HIGHEST        = -20,
+
+    ANDROID_PRIORITY_DEFAULT        = ANDROID_PRIORITY_NORMAL,
+    ANDROID_PRIORITY_MORE_FAVORABLE = -1,
+    ANDROID_PRIORITY_LESS_FAVORABLE = +1,
+};
+
+enum {
+    ANDROID_TGROUP_DEFAULT          = 0,
+    ANDROID_TGROUP_BG_NONINTERACT   = 1,
+    ANDROID_TGROUP_FG_BOOST         = 2,
+    ANDROID_TGROUP_MAX              = ANDROID_TGROUP_FG_BOOST,
+};
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+// ---------------------------------------------------------------------------
+// C++ API
+#ifdef __cplusplus
+namespace android {
+// ---------------------------------------------------------------------------
+
+typedef android_thread_id_t thread_id_t;
+typedef android_thread_func_t thread_func_t;
+
+enum {
+    PRIORITY_LOWEST         = ANDROID_PRIORITY_LOWEST,
+    PRIORITY_BACKGROUND     = ANDROID_PRIORITY_BACKGROUND,
+    PRIORITY_NORMAL         = ANDROID_PRIORITY_NORMAL,
+    PRIORITY_FOREGROUND     = ANDROID_PRIORITY_FOREGROUND,
+    PRIORITY_DISPLAY        = ANDROID_PRIORITY_DISPLAY,
+    PRIORITY_URGENT_DISPLAY = ANDROID_PRIORITY_URGENT_DISPLAY,
+    PRIORITY_AUDIO          = ANDROID_PRIORITY_AUDIO,
+    PRIORITY_URGENT_AUDIO   = ANDROID_PRIORITY_URGENT_AUDIO,
+    PRIORITY_HIGHEST        = ANDROID_PRIORITY_HIGHEST,
+    PRIORITY_DEFAULT        = ANDROID_PRIORITY_DEFAULT,
+    PRIORITY_MORE_FAVORABLE = ANDROID_PRIORITY_MORE_FAVORABLE,
+    PRIORITY_LESS_FAVORABLE = ANDROID_PRIORITY_LESS_FAVORABLE,
+};
+
+// ---------------------------------------------------------------------------
+}; // namespace android
+#endif  // __cplusplus
+// ---------------------------------------------------------------------------
+
+
+#endif // _LIBS_UTILS_THREAD_DEFS_H
diff --git a/include/utils/Trace.h b/include/utils/Trace.h
new file mode 100644
index 0000000..f33ddf6
--- /dev/null
+++ b/include/utils/Trace.h
@@ -0,0 +1,166 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_TRACE_H
+#define ANDROID_TRACE_H
+
+#include <fcntl.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include <cutils/compiler.h>
+#include <utils/threads.h>
+
+// The ATRACE_TAG macro can be defined before including this header to trace
+// using one of the tags defined below.  It must be defined to one of the
+// following ATRACE_TAG_* macros.  The trace tag is used to filter tracing in
+// userland to avoid some of the runtime cost of tracing when it is not desired.
+//
+// Defining ATRACE_TAG to be ATRACE_TAG_ALWAYS will result in the tracing always
+// being enabled - this should ONLY be done for debug code, as userland tracing
+// has a performance cost even when the trace is not being recorded.  Defining
+// ATRACE_TAG to be ATRACE_TAG_NEVER or leaving ATRACE_TAG undefined will result
+// in the tracing always being disabled.
+#define ATRACE_TAG_NEVER    0           // The "never" tag is never enabled.
+#define ATRACE_TAG_ALWAYS   (1<<0)      // The "always" tag is always enabled.
+#define ATRACE_TAG_GRAPHICS (1<<1)
+#define ATRACE_TAG_LAST     (1<<1)
+
+#define ATRACE_TAG_INVALID (~((ATRACE_TAG_LAST - 1) | ATRACE_TAG_LAST))
+
+#ifndef ATRACE_TAG
+#define ATRACE_TAG ATRACE_TAG_NEVER
+#elif ATRACE_TAG > ATRACE_TAG_LAST
+#error ATRACE_TAG must be defined to be one of the tags defined in utils/Trace.h
+#endif
+
+// ATRACE_CALL traces the beginning and end of the current function.  To trace
+// the correct start and end times this macro should be the first line of the
+// function body.
+#define ATRACE_CALL() android::ScopedTrace ___tracer(ATRACE_TAG, __FUNCTION__)
+
+// ATRACE_INT traces a named integer value.  This can be used to track how the
+// value changes over time in a trace.
+#define ATRACE_INT(name, value) android::Tracer::traceCounter(ATRACE_TAG, name, value)
+
+namespace android {
+
+class Tracer {
+
+public:
+
+    static inline void traceCounter(uint64_t tag, const char* name,
+            int32_t value) {
+        if (!android_atomic_acquire_load(&sIsReady)) {
+            init();
+        }
+        int traceFD = sTraceFD;
+        if (CC_UNLIKELY(tagEnabled(tag) && traceFD != -1)) {
+            char buf[1024];
+            snprintf(buf, 1024, "C|%d|%s|%d", getpid(), name, value);
+            write(traceFD, buf, strlen(buf));
+        }
+    }
+
+    static inline void traceBegin(uint64_t tag, const char* name) {
+        if (CC_UNLIKELY(!android_atomic_acquire_load(&sIsReady))) {
+            init();
+        }
+        int traceFD = sTraceFD;
+        if (CC_UNLIKELY(tagEnabled(tag) && (traceFD != -1))) {
+            char buf[1024];
+            size_t len = snprintf(buf, 1024, "B|%d|%s", getpid(), name);
+            write(traceFD, buf, len);
+        }
+    }
+
+   static inline void traceEnd(uint64_t tag) {
+        if (CC_UNLIKELY(!android_atomic_acquire_load(&sIsReady))) {
+            init();
+        }
+        int traceFD = sTraceFD;
+        if (CC_UNLIKELY(tagEnabled(tag) && (traceFD != -1))) {
+            char buf = 'E';
+            write(traceFD, &buf, 1);
+        }
+    }
+
+private:
+
+    static inline bool tagEnabled(uint64_t tag) {
+        return !(tag & ATRACE_TAG_INVALID) && (tag & sEnabledTags);
+    }
+
+    // init opens the trace marker file for writing and reads the
+    // atrace.tags.enableflags system property.  It does this only the first
+    // time it is run, using sMutex for synchronization.
+    static void init();
+
+    // sIsReady is a boolean value indicating whether a call to init() has
+    // completed in this process.  It is initialized to 0 and set to 1 when the
+    // first init() call completes.  It is set to 1 even if a failure occurred
+    // in init (e.g. the trace marker file couldn't be opened).
+    //
+    // This should be checked by all tracing functions using an atomic acquire
+    // load operation before calling init().  This check avoids the need to lock
+    // a mutex each time a trace function gets called.
+    static volatile int32_t sIsReady;
+
+    // sTraceFD is the file descriptor used to write to the kernel's trace
+    // buffer.  It is initialized to -1 and set to an open file descriptor in
+    // init() while a lock on sMutex is held.
+    //
+    // This should only be used by a trace function after init() has
+    // successfully completed.
+    static int sTraceFD;
+
+    // sEnabledTags is the set of tag bits for which tracing is currently
+    // enabled.  It is initialized to 0 and set based on the
+    // atrace.tags.enableflags system property in init() while a lock on sMutex
+    // is held.
+    //
+    // This should only be used by a trace function after init() has
+    // successfully completed.
+    static uint64_t sEnabledTags;
+
+    // sMutex is used to protect the execution of init().
+    static Mutex sMutex;
+};
+
+class ScopedTrace {
+
+public:
+    inline ScopedTrace(uint64_t tag, const char* name) :
+            mTag(tag) {
+        Tracer::traceBegin(mTag, name);
+    }
+
+    inline ~ScopedTrace() {
+        Tracer::traceEnd(mTag);
+    }
+
+private:
+
+    uint64_t mTag;
+};
+
+}; // namespace android
+
+#endif // ANDROID_TRACE_H
diff --git a/include/utils/threads.h b/include/utils/threads.h
index b4a8b7c..9de3382 100644
--- a/include/utils/threads.h
+++ b/include/utils/threads.h
@@ -17,556 +17,22 @@
 #ifndef _LIBS_UTILS_THREADS_H
 #define _LIBS_UTILS_THREADS_H
 
-#include <stdint.h>
-#include <sys/types.h>
-#include <time.h>
-#include <system/graphics.h>
+/*
+ * Please, DO NOT USE!
+ *
+ * This file is here only for legacy reasons. Instead, include directly
+ * the headers you need below.
+ *
+ */
 
-#if defined(HAVE_PTHREADS)
-# include <pthread.h>
-#endif
-
-// ------------------------------------------------------------------
-// C API
+#include <utils/AndroidThreads.h>
 
 #ifdef __cplusplus
-extern "C" {
-#endif
-
-typedef void* android_thread_id_t;
-
-typedef int (*android_thread_func_t)(void*);
-
-enum {
-    /*
-     * ***********************************************
-     * ** Keep in sync with android.os.Process.java **
-     * ***********************************************
-     * 
-     * This maps directly to the "nice" priorities we use in Android.
-     * A thread priority should be chosen inverse-proportionally to
-     * the amount of work the thread is expected to do. The more work
-     * a thread will do, the less favorable priority it should get so that 
-     * it doesn't starve the system. Threads not behaving properly might
-     * be "punished" by the kernel.
-     * Use the levels below when appropriate. Intermediate values are
-     * acceptable, preferably use the {MORE|LESS}_FAVORABLE constants below.
-     */
-    ANDROID_PRIORITY_LOWEST         =  19,
-
-    /* use for background tasks */
-    ANDROID_PRIORITY_BACKGROUND     =  10,
-    
-    /* most threads run at normal priority */
-    ANDROID_PRIORITY_NORMAL         =   0,
-    
-    /* threads currently running a UI that the user is interacting with */
-    ANDROID_PRIORITY_FOREGROUND     =  -2,
-
-    /* the main UI thread has a slightly more favorable priority */
-    ANDROID_PRIORITY_DISPLAY        =  -4,
-    
-    /* ui service treads might want to run at a urgent display (uncommon) */
-    ANDROID_PRIORITY_URGENT_DISPLAY =  HAL_PRIORITY_URGENT_DISPLAY,
-    
-    /* all normal audio threads */
-    ANDROID_PRIORITY_AUDIO          = -16,
-    
-    /* service audio threads (uncommon) */
-    ANDROID_PRIORITY_URGENT_AUDIO   = -19,
-
-    /* should never be used in practice. regular process might not 
-     * be allowed to use this level */
-    ANDROID_PRIORITY_HIGHEST        = -20,
-
-    ANDROID_PRIORITY_DEFAULT        = ANDROID_PRIORITY_NORMAL,
-    ANDROID_PRIORITY_MORE_FAVORABLE = -1,
-    ANDROID_PRIORITY_LESS_FAVORABLE = +1,
-};
-
-enum {
-    ANDROID_TGROUP_DEFAULT          = 0,
-    ANDROID_TGROUP_BG_NONINTERACT   = 1,
-    ANDROID_TGROUP_FG_BOOST         = 2,
-    ANDROID_TGROUP_MAX              = ANDROID_TGROUP_FG_BOOST,
-};
-
-// Create and run a new thread.
-extern int androidCreateThread(android_thread_func_t, void *);
-
-// Create thread with lots of parameters
-extern int androidCreateThreadEtc(android_thread_func_t entryFunction,
-                                  void *userData,
-                                  const char* threadName,
-                                  int32_t threadPriority,
-                                  size_t threadStackSize,
-                                  android_thread_id_t *threadId);
-
-// Get some sort of unique identifier for the current thread.
-extern android_thread_id_t androidGetThreadId();
-
-// Low-level thread creation -- never creates threads that can
-// interact with the Java VM.
-extern int androidCreateRawThreadEtc(android_thread_func_t entryFunction,
-                                     void *userData,
-                                     const char* threadName,
-                                     int32_t threadPriority,
-                                     size_t threadStackSize,
-                                     android_thread_id_t *threadId);
-
-// Used by the Java Runtime to control how threads are created, so that
-// they can be proper and lovely Java threads.
-typedef int (*android_create_thread_fn)(android_thread_func_t entryFunction,
-                                        void *userData,
-                                        const char* threadName,
-                                        int32_t threadPriority,
-                                        size_t threadStackSize,
-                                        android_thread_id_t *threadId);
-
-extern void androidSetCreateThreadFunc(android_create_thread_fn func);
-
-// ------------------------------------------------------------------
-// Extra functions working with raw pids.
-
-// Get pid for the current thread.
-extern pid_t androidGetTid();
-
-// Change the scheduling group of a particular thread.  The group
-// should be one of the ANDROID_TGROUP constants.  Returns BAD_VALUE if
-// grp is out of range, else another non-zero value with errno set if
-// the operation failed.  Thread ID zero means current thread.
-extern int androidSetThreadSchedulingGroup(pid_t tid, int grp);
-
-// Change the priority AND scheduling group of a particular thread.  The priority
-// should be one of the ANDROID_PRIORITY constants.  Returns INVALID_OPERATION
-// if the priority set failed, else another value if just the group set failed;
-// in either case errno is set.  Thread ID zero means current thread.
-extern int androidSetThreadPriority(pid_t tid, int prio);
-
-// Get the current priority of a particular thread. Returns one of the
-// ANDROID_PRIORITY constants or a negative result in case of error.
-extern int androidGetThreadPriority(pid_t tid);
-
-// Get the current scheduling group of a particular thread. Normally returns
-// one of the ANDROID_TGROUP constants other than ANDROID_TGROUP_DEFAULT.
-// Returns ANDROID_TGROUP_DEFAULT if no pthread support (e.g. on host) or if
-// scheduling groups are disabled.  Returns INVALID_OPERATION if unexpected error.
-// Thread ID zero means current thread.
-extern int androidGetThreadSchedulingGroup(pid_t tid);
-
-#ifdef __cplusplus
-}
-#endif
-
-// ------------------------------------------------------------------
-// C++ API
-
-#ifdef __cplusplus
-
+#include <utils/Condition.h>
 #include <utils/Errors.h>
-#include <utils/RefBase.h>
-#include <utils/Timers.h>
-
-namespace android {
-
-typedef android_thread_id_t thread_id_t;
-
-typedef android_thread_func_t thread_func_t;
-
-enum {
-    PRIORITY_LOWEST         = ANDROID_PRIORITY_LOWEST,
-    PRIORITY_BACKGROUND     = ANDROID_PRIORITY_BACKGROUND,
-    PRIORITY_NORMAL         = ANDROID_PRIORITY_NORMAL,
-    PRIORITY_FOREGROUND     = ANDROID_PRIORITY_FOREGROUND,
-    PRIORITY_DISPLAY        = ANDROID_PRIORITY_DISPLAY,
-    PRIORITY_URGENT_DISPLAY = ANDROID_PRIORITY_URGENT_DISPLAY,
-    PRIORITY_AUDIO          = ANDROID_PRIORITY_AUDIO,
-    PRIORITY_URGENT_AUDIO   = ANDROID_PRIORITY_URGENT_AUDIO,
-    PRIORITY_HIGHEST        = ANDROID_PRIORITY_HIGHEST,
-    PRIORITY_DEFAULT        = ANDROID_PRIORITY_DEFAULT,
-    PRIORITY_MORE_FAVORABLE = ANDROID_PRIORITY_MORE_FAVORABLE,
-    PRIORITY_LESS_FAVORABLE = ANDROID_PRIORITY_LESS_FAVORABLE,
-};
-
-// Create and run a new thread.
-inline bool createThread(thread_func_t f, void *a) {
-    return androidCreateThread(f, a) ? true : false;
-}
-
-// Create thread with lots of parameters
-inline bool createThreadEtc(thread_func_t entryFunction,
-                            void *userData,
-                            const char* threadName = "android:unnamed_thread",
-                            int32_t threadPriority = PRIORITY_DEFAULT,
-                            size_t threadStackSize = 0,
-                            thread_id_t *threadId = 0)
-{
-    return androidCreateThreadEtc(entryFunction, userData, threadName,
-        threadPriority, threadStackSize, threadId) ? true : false;
-}
-
-// Get some sort of unique identifier for the current thread.
-inline thread_id_t getThreadId() {
-    return androidGetThreadId();
-}
-
-/*****************************************************************************/
-
-/*
- * Simple mutex class.  The implementation is system-dependent.
- *
- * The mutex must be unlocked by the thread that locked it.  They are not
- * recursive, i.e. the same thread can't lock it multiple times.
- */
-class Mutex {
-public:
-    enum {
-        PRIVATE = 0,
-        SHARED = 1
-    };
-    
-                Mutex();
-                Mutex(const char* name);
-                Mutex(int type, const char* name = NULL);
-                ~Mutex();
-
-    // lock or unlock the mutex
-    status_t    lock();
-    void        unlock();
-
-    // lock if possible; returns 0 on success, error otherwise
-    status_t    tryLock();
-
-    // Manages the mutex automatically. It'll be locked when Autolock is
-    // constructed and released when Autolock goes out of scope.
-    class Autolock {
-    public:
-        inline Autolock(Mutex& mutex) : mLock(mutex)  { mLock.lock(); }
-        inline Autolock(Mutex* mutex) : mLock(*mutex) { mLock.lock(); }
-        inline ~Autolock() { mLock.unlock(); }
-    private:
-        Mutex& mLock;
-    };
-
-private:
-    friend class Condition;
-    
-    // A mutex cannot be copied
-                Mutex(const Mutex&);
-    Mutex&      operator = (const Mutex&);
-    
-#if defined(HAVE_PTHREADS)
-    pthread_mutex_t mMutex;
-#else
-    void    _init();
-    void*   mState;
+#include <utils/Mutex.h>
+#include <utils/RWLock.h>
+#include <utils/Thread.h>
 #endif
-};
-
-#if defined(HAVE_PTHREADS)
-
-inline Mutex::Mutex() {
-    pthread_mutex_init(&mMutex, NULL);
-}
-inline Mutex::Mutex(const char* name) {
-    pthread_mutex_init(&mMutex, NULL);
-}
-inline Mutex::Mutex(int type, const char* name) {
-    if (type == SHARED) {
-        pthread_mutexattr_t attr;
-        pthread_mutexattr_init(&attr);
-        pthread_mutexattr_setpshared(&attr, PTHREAD_PROCESS_SHARED);
-        pthread_mutex_init(&mMutex, &attr);
-        pthread_mutexattr_destroy(&attr);
-    } else {
-        pthread_mutex_init(&mMutex, NULL);
-    }
-}
-inline Mutex::~Mutex() {
-    pthread_mutex_destroy(&mMutex);
-}
-inline status_t Mutex::lock() {
-    return -pthread_mutex_lock(&mMutex);
-}
-inline void Mutex::unlock() {
-    pthread_mutex_unlock(&mMutex);
-}
-inline status_t Mutex::tryLock() {
-    return -pthread_mutex_trylock(&mMutex);
-}
-
-#endif // HAVE_PTHREADS
-
-/*
- * Automatic mutex.  Declare one of these at the top of a function.
- * When the function returns, it will go out of scope, and release the
- * mutex.
- */
- 
-typedef Mutex::Autolock AutoMutex;
-
-/*****************************************************************************/
-
-#if defined(HAVE_PTHREADS)
-
-/*
- * Simple mutex class.  The implementation is system-dependent.
- *
- * The mutex must be unlocked by the thread that locked it.  They are not
- * recursive, i.e. the same thread can't lock it multiple times.
- */
-class RWLock {
-public:
-    enum {
-        PRIVATE = 0,
-        SHARED = 1
-    };
-
-                RWLock();
-                RWLock(const char* name);
-                RWLock(int type, const char* name = NULL);
-                ~RWLock();
-
-    status_t    readLock();
-    status_t    tryReadLock();
-    status_t    writeLock();
-    status_t    tryWriteLock();
-    void        unlock();
-
-    class AutoRLock {
-    public:
-        inline AutoRLock(RWLock& rwlock) : mLock(rwlock)  { mLock.readLock(); }
-        inline ~AutoRLock() { mLock.unlock(); }
-    private:
-        RWLock& mLock;
-    };
-
-    class AutoWLock {
-    public:
-        inline AutoWLock(RWLock& rwlock) : mLock(rwlock)  { mLock.writeLock(); }
-        inline ~AutoWLock() { mLock.unlock(); }
-    private:
-        RWLock& mLock;
-    };
-
-private:
-    // A RWLock cannot be copied
-                RWLock(const RWLock&);
-   RWLock&      operator = (const RWLock&);
-
-   pthread_rwlock_t mRWLock;
-};
-
-inline RWLock::RWLock() {
-    pthread_rwlock_init(&mRWLock, NULL);
-}
-inline RWLock::RWLock(const char* name) {
-    pthread_rwlock_init(&mRWLock, NULL);
-}
-inline RWLock::RWLock(int type, const char* name) {
-    if (type == SHARED) {
-        pthread_rwlockattr_t attr;
-        pthread_rwlockattr_init(&attr);
-        pthread_rwlockattr_setpshared(&attr, PTHREAD_PROCESS_SHARED);
-        pthread_rwlock_init(&mRWLock, &attr);
-        pthread_rwlockattr_destroy(&attr);
-    } else {
-        pthread_rwlock_init(&mRWLock, NULL);
-    }
-}
-inline RWLock::~RWLock() {
-    pthread_rwlock_destroy(&mRWLock);
-}
-inline status_t RWLock::readLock() {
-    return -pthread_rwlock_rdlock(&mRWLock);
-}
-inline status_t RWLock::tryReadLock() {
-    return -pthread_rwlock_tryrdlock(&mRWLock);
-}
-inline status_t RWLock::writeLock() {
-    return -pthread_rwlock_wrlock(&mRWLock);
-}
-inline status_t RWLock::tryWriteLock() {
-    return -pthread_rwlock_trywrlock(&mRWLock);
-}
-inline void RWLock::unlock() {
-    pthread_rwlock_unlock(&mRWLock);
-}
-
-#endif // HAVE_PTHREADS
-
-/*****************************************************************************/
-
-/*
- * Condition variable class.  The implementation is system-dependent.
- *
- * Condition variables are paired up with mutexes.  Lock the mutex,
- * call wait(), then either re-wait() if things aren't quite what you want,
- * or unlock the mutex and continue.  All threads calling wait() must
- * use the same mutex for a given Condition.
- */
-class Condition {
-public:
-    enum {
-        PRIVATE = 0,
-        SHARED = 1
-    };
-
-    Condition();
-    Condition(int type);
-    ~Condition();
-    // Wait on the condition variable.  Lock the mutex before calling.
-    status_t wait(Mutex& mutex);
-    // same with relative timeout
-    status_t waitRelative(Mutex& mutex, nsecs_t reltime);
-    // Signal the condition variable, allowing one thread to continue.
-    void signal();
-    // Signal the condition variable, allowing all threads to continue.
-    void broadcast();
-
-private:
-#if defined(HAVE_PTHREADS)
-    pthread_cond_t mCond;
-#else
-    void*   mState;
-#endif
-};
-
-#if defined(HAVE_PTHREADS)
-
-inline Condition::Condition() {
-    pthread_cond_init(&mCond, NULL);
-}
-inline Condition::Condition(int type) {
-    if (type == SHARED) {
-        pthread_condattr_t attr;
-        pthread_condattr_init(&attr);
-        pthread_condattr_setpshared(&attr, PTHREAD_PROCESS_SHARED);
-        pthread_cond_init(&mCond, &attr);
-        pthread_condattr_destroy(&attr);
-    } else {
-        pthread_cond_init(&mCond, NULL);
-    }
-}
-inline Condition::~Condition() {
-    pthread_cond_destroy(&mCond);
-}
-inline status_t Condition::wait(Mutex& mutex) {
-    return -pthread_cond_wait(&mCond, &mutex.mMutex);
-}
-inline status_t Condition::waitRelative(Mutex& mutex, nsecs_t reltime) {
-#if defined(HAVE_PTHREAD_COND_TIMEDWAIT_RELATIVE)
-    struct timespec ts;
-    ts.tv_sec  = reltime/1000000000;
-    ts.tv_nsec = reltime%1000000000;
-    return -pthread_cond_timedwait_relative_np(&mCond, &mutex.mMutex, &ts);
-#else // HAVE_PTHREAD_COND_TIMEDWAIT_RELATIVE
-    struct timespec ts;
-#if defined(HAVE_POSIX_CLOCKS)
-    clock_gettime(CLOCK_REALTIME, &ts);
-#else // HAVE_POSIX_CLOCKS
-    // we don't support the clocks here.
-    struct timeval t;
-    gettimeofday(&t, NULL);
-    ts.tv_sec = t.tv_sec;
-    ts.tv_nsec= t.tv_usec*1000;
-#endif // HAVE_POSIX_CLOCKS
-    ts.tv_sec += reltime/1000000000;
-    ts.tv_nsec+= reltime%1000000000;
-    if (ts.tv_nsec >= 1000000000) {
-        ts.tv_nsec -= 1000000000;
-        ts.tv_sec  += 1;
-    }
-    return -pthread_cond_timedwait(&mCond, &mutex.mMutex, &ts);
-#endif // HAVE_PTHREAD_COND_TIMEDWAIT_RELATIVE
-}
-inline void Condition::signal() {
-    pthread_cond_signal(&mCond);
-}
-inline void Condition::broadcast() {
-    pthread_cond_broadcast(&mCond);
-}
-
-#endif // HAVE_PTHREADS
-
-/*****************************************************************************/
-
-/*
- * This is our spiffy thread object!
- */
-
-class Thread : virtual public RefBase
-{
-public:
-    // Create a Thread object, but doesn't create or start the associated
-    // thread. See the run() method.
-                        Thread(bool canCallJava = true);
-    virtual             ~Thread();
-
-    // Start the thread in threadLoop() which needs to be implemented.
-    virtual status_t    run(    const char* name = 0,
-                                int32_t priority = PRIORITY_DEFAULT,
-                                size_t stack = 0);
-    
-    // Ask this object's thread to exit. This function is asynchronous, when the
-    // function returns the thread might still be running. Of course, this
-    // function can be called from a different thread.
-    virtual void        requestExit();
-
-    // Good place to do one-time initializations
-    virtual status_t    readyToRun();
-    
-    // Call requestExit() and wait until this object's thread exits.
-    // BE VERY CAREFUL of deadlocks. In particular, it would be silly to call
-    // this function from this object's thread. Will return WOULD_BLOCK in
-    // that case.
-            status_t    requestExitAndWait();
-
-    // Wait until this object's thread exits. Returns immediately if not yet running.
-    // Do not call from this object's thread; will return WOULD_BLOCK in that case.
-            status_t    join();
-
-#ifdef HAVE_ANDROID_OS
-    // Return the thread's kernel ID, same as the thread itself calling gettid() or
-    // androidGetTid(), or -1 if the thread is not running.
-            pid_t       getTid() const;
-#endif
-
-protected:
-    // exitPending() returns true if requestExit() has been called.
-            bool        exitPending() const;
-    
-private:
-    // Derived class must implement threadLoop(). The thread starts its life
-    // here. There are two ways of using the Thread object:
-    // 1) loop: if threadLoop() returns true, it will be called again if
-    //          requestExit() wasn't called.
-    // 2) once: if threadLoop() returns false, the thread will exit upon return.
-    virtual bool        threadLoop() = 0;
-
-private:
-    Thread& operator=(const Thread&);
-    static  int             _threadLoop(void* user);
-    const   bool            mCanCallJava;
-    // always hold mLock when reading or writing
-            thread_id_t     mThread;
-    mutable Mutex           mLock;
-            Condition       mThreadExitedCondition;
-            status_t        mStatus;
-    // note that all accesses of mExitPending and mRunning need to hold mLock
-    volatile bool           mExitPending;
-    volatile bool           mRunning;
-            sp<Thread>      mHoldSelf;
-#ifdef HAVE_ANDROID_OS
-    // legacy for debugging, not used by getTid() as it is set by the child thread
-    // and so is not initialized until the child reaches that point
-            pid_t           mTid;
-#endif
-};
-
-
-}; // namespace android
-
-#endif  // __cplusplus
 
 #endif // _LIBS_UTILS_THREADS_H
diff --git a/libs/gui/BufferQueue.cpp b/libs/gui/BufferQueue.cpp
index f4214c7..261336a 100644
--- a/libs/gui/BufferQueue.cpp
+++ b/libs/gui/BufferQueue.cpp
@@ -15,7 +15,6 @@
  */
 
 #define LOG_TAG "BufferQueue"
-//#define LOG_NDEBUG 0
 
 #define GL_GLEXT_PROTOTYPES
 #define EGL_EGLEXT_PROTOTYPES
@@ -24,11 +23,10 @@
 #include <EGL/eglext.h>
 
 #include <gui/BufferQueue.h>
+#include <gui/ISurfaceComposer.h>
 #include <private/gui/ComposerService.h>
-#include <surfaceflinger/ISurfaceComposer.h>
 
 #include <utils/Log.h>
-#include <gui/SurfaceTexture.h>
 
 // This compile option causes SurfaceTexture to return the buffer that is currently
 // attached to the GL texture from dequeueBuffer when no other buffers are
@@ -44,11 +42,11 @@
 #endif
 
 // Macros for including the BufferQueue name in log messages
-#define ST_LOGV(x, ...) ALOGV("[%s] "x, mConsumerName.string(), ##__VA_ARGS__)
-#define ST_LOGD(x, ...) ALOGD("[%s] "x, mConsumerName.string(), ##__VA_ARGS__)
-#define ST_LOGI(x, ...) ALOGI("[%s] "x, mConsumerName.string(), ##__VA_ARGS__)
-#define ST_LOGW(x, ...) ALOGW("[%s] "x, mConsumerName.string(), ##__VA_ARGS__)
-#define ST_LOGE(x, ...) ALOGE("[%s] "x, mConsumerName.string(), ##__VA_ARGS__)
+#define ST_LOGV(x, ...) ALOGV("[%s] "x, mName.string(), ##__VA_ARGS__)
+#define ST_LOGD(x, ...) ALOGD("[%s] "x, mName.string(), ##__VA_ARGS__)
+#define ST_LOGI(x, ...) ALOGI("[%s] "x, mName.string(), ##__VA_ARGS__)
+#define ST_LOGW(x, ...) ALOGW("[%s] "x, mName.string(), ##__VA_ARGS__)
+#define ST_LOGE(x, ...) ALOGE("[%s] "x, mName.string(), ##__VA_ARGS__)
 
 namespace android {
 
@@ -65,17 +63,17 @@
     mBufferCount(MIN_ASYNC_BUFFER_SLOTS),
     mClientBufferCount(0),
     mServerBufferCount(MIN_ASYNC_BUFFER_SLOTS),
+    mCurrentTexture(INVALID_BUFFER_SLOT),
     mNextTransform(0),
     mNextScalingMode(NATIVE_WINDOW_SCALING_MODE_FREEZE),
     mSynchronousMode(false),
     mAllowSynchronousMode(allowSynchronousMode),
     mConnectedApi(NO_CONNECTED_API),
     mAbandoned(false),
-    mFrameCounter(0),
-    mBufferHasBeenQueued(false)
+    mFrameCounter(0)
 {
     // Choose a name using the PID and a process-unique ID.
-    mConsumerName = String8::format("unnamed-%d-%d", getpid(), createProcessUniqueId());
+    mName = String8::format("unnamed-%d-%d", getpid(), createProcessUniqueId());
 
     ST_LOGV("BufferQueue");
     sp<ISurfaceComposer> composer(ComposerService::getComposerService());
@@ -121,23 +119,6 @@
     return OK;
 }
 
-bool BufferQueue::isSynchronousMode() const {
-    Mutex::Autolock lock(mMutex);
-    return mSynchronousMode;
-}
-
-void BufferQueue::setConsumerName(const String8& name) {
-    Mutex::Autolock lock(mMutex);
-    mConsumerName = name;
-}
-
-void BufferQueue::setFrameAvailableListener(
-        const sp<FrameAvailableListener>& listener) {
-    ST_LOGV("setFrameAvailableListener");
-    Mutex::Autolock lock(mMutex);
-    mFrameAvailableListener = listener;
-}
-
 status_t BufferQueue::setBufferCount(int bufferCount) {
     ST_LOGV("setBufferCount: count=%d", bufferCount);
     Mutex::Autolock lock(mMutex);
@@ -179,7 +160,7 @@
     freeAllBuffersLocked();
     mBufferCount = bufferCount;
     mClientBufferCount = bufferCount;
-    mBufferHasBeenQueued = false;
+    mCurrentTexture = INVALID_BUFFER_SLOT;
     mQueue.clear();
     mDequeueCondition.signal();
     return OK;
@@ -295,7 +276,7 @@
                 mBufferCount = mServerBufferCount;
                 if (mBufferCount < minBufferCountNeeded)
                     mBufferCount = minBufferCountNeeded;
-                mBufferHasBeenQueued = false;
+                mCurrentTexture = INVALID_BUFFER_SLOT;
                 returnFlags |= ISurfaceTexture::RELEASE_ALL_BUFFERS;
             }
 
@@ -309,10 +290,19 @@
                     dequeuedCount++;
                 }
 
+                // if buffer is FREE it CANNOT be current
+                ALOGW_IF((state == BufferSlot::FREE) && (mCurrentTexture==i),
+                        "dequeueBuffer: buffer %d is both FREE and current!",
+                        i);
+
                 if (FLAG_ALLOW_DEQUEUE_CURRENT_BUFFER) {
-                    // This functionality has been temporarily removed so
-                    // BufferQueue and SurfaceTexture can be refactored into
-                    // separate objects
+                    if (state == BufferSlot::FREE || i == mCurrentTexture) {
+                        foundSync = i;
+                        if (i != mCurrentTexture) {
+                            found = i;
+                            break;
+                        }
+                    }
                 } else {
                     if (state == BufferSlot::FREE) {
                         /* We return the oldest of the free buffers to avoid
@@ -341,7 +331,8 @@
             // See whether a buffer has been queued since the last
             // setBufferCount so we know whether to perform the
             // MIN_UNDEQUEUED_BUFFERS check below.
-            if (mBufferHasBeenQueued) {
+            bool bufferHasBeenQueued = mCurrentTexture != INVALID_BUFFER_SLOT;
+            if (bufferHasBeenQueued) {
                 // make sure the client is not trying to dequeue more buffers
                 // than allowed.
                 const int avail = mBufferCount - (dequeuedCount+1);
@@ -413,23 +404,27 @@
             if (updateFormat) {
                 mPixelFormat = format;
             }
-
-            mSlots[buf].mAcquireCalled = false;
             mSlots[buf].mGraphicBuffer = graphicBuffer;
             mSlots[buf].mRequestBufferCalled = false;
             mSlots[buf].mFence = EGL_NO_SYNC_KHR;
-            mSlots[buf].mEglDisplay = EGL_NO_DISPLAY;
-
-
-
-
+            if (mSlots[buf].mEglImage != EGL_NO_IMAGE_KHR) {
+                eglDestroyImageKHR(mSlots[buf].mEglDisplay,
+                        mSlots[buf].mEglImage);
+                mSlots[buf].mEglImage = EGL_NO_IMAGE_KHR;
+                mSlots[buf].mEglDisplay = EGL_NO_DISPLAY;
+            }
+            if (mCurrentTexture == buf) {
+                // The current texture no longer references the buffer in this slot
+                // since we just allocated a new buffer.
+                mCurrentTexture = INVALID_BUFFER_SLOT;
+            }
             returnFlags |= ISurfaceTexture::BUFFER_NEEDS_REALLOCATION;
         }
 
         dpy = mSlots[buf].mEglDisplay;
         fence = mSlots[buf].mFence;
         mSlots[buf].mFence = EGL_NO_SYNC_KHR;
-    }  // end lock scope
+    }
 
     if (fence != EGL_NO_SYNC_KHR) {
         EGLint result = eglClientWaitSyncKHR(dpy, fence, 0, 1000000000);
@@ -442,7 +437,6 @@
             ALOGE("dequeueBuffer: timeout waiting for fence");
         }
         eglDestroySyncKHR(dpy, fence);
-
     }
 
     ST_LOGV("dequeueBuffer: returning slot=%d buf=%p flags=%#x", *outBuf,
@@ -502,6 +496,9 @@
             ST_LOGE("queueBuffer: slot %d is not owned by the client "
                     "(state=%d)", buf, mSlots[buf].mBufferState);
             return -EINVAL;
+        } else if (buf == mCurrentTexture) {
+            ST_LOGE("queueBuffer: slot %d is current!", buf);
+            return -EINVAL;
         } else if (!mSlots[buf].mRequestBufferCalled) {
             ST_LOGE("queueBuffer: slot %d was enqueued without requesting a "
                     "buffer", buf);
@@ -541,7 +538,6 @@
         mFrameCounter++;
         mSlots[buf].mFrameNumber = mFrameCounter;
 
-        mBufferHasBeenQueued = true;
         mDequeueCondition.signal();
 
         *outWidth = mDefaultWidth;
@@ -651,9 +647,6 @@
             err = -EINVAL;
             break;
     }
-
-    mBufferHasBeenQueued = false;
-
     return err;
 }
 
@@ -694,185 +687,26 @@
     return err;
 }
 
-void BufferQueue::dump(String8& result) const
-{
-    char buffer[1024];
-    BufferQueue::dump(result, "", buffer, 1024);
-}
-
-void BufferQueue::dump(String8& result, const char* prefix,
-        char* buffer, size_t SIZE) const
-{
-    Mutex::Autolock _l(mMutex);
-    snprintf(buffer, SIZE,
-            "%snext   : {crop=[%d,%d,%d,%d], transform=0x%02x}\n"
-            ,prefix, mNextCrop.left, mNextCrop.top, mNextCrop.right,
-            mNextCrop.bottom, mNextTransform
-    );
-    result.append(buffer);
-
-    String8 fifo;
-    int fifoSize = 0;
-    Fifo::const_iterator i(mQueue.begin());
-    while (i != mQueue.end()) {
-       snprintf(buffer, SIZE, "%02d ", *i++);
-       fifoSize++;
-       fifo.append(buffer);
-    }
-
-    snprintf(buffer, SIZE,
-            "%s-BufferQueue mBufferCount=%d, mSynchronousMode=%d, default-size=[%dx%d], "
-            "mPixelFormat=%d, FIFO(%d)={%s}\n",
-            prefix, mBufferCount, mSynchronousMode, mDefaultWidth,
-            mDefaultHeight, mPixelFormat, fifoSize, fifo.string());
-    result.append(buffer);
-
-
-    struct {
-        const char * operator()(int state) const {
-            switch (state) {
-                case BufferSlot::DEQUEUED: return "DEQUEUED";
-                case BufferSlot::QUEUED: return "QUEUED";
-                case BufferSlot::FREE: return "FREE";
-                case BufferSlot::ACQUIRED: return "ACQUIRED";
-                default: return "Unknown";
-            }
-        }
-    } stateName;
-
-    for (int i=0 ; i<mBufferCount ; i++) {
-        const BufferSlot& slot(mSlots[i]);
-        snprintf(buffer, SIZE,
-                "%s%s[%02d] "
-                "state=%-8s, crop=[%d,%d,%d,%d], "
-                "transform=0x%02x, timestamp=%lld",
-                prefix, (slot.mBufferState == BufferSlot::ACQUIRED)?">":" ", i,
-                stateName(slot.mBufferState),
-                slot.mCrop.left, slot.mCrop.top, slot.mCrop.right,
-                slot.mCrop.bottom, slot.mTransform, slot.mTimestamp
-        );
-        result.append(buffer);
-
-        const sp<GraphicBuffer>& buf(slot.mGraphicBuffer);
-        if (buf != NULL) {
-            snprintf(buffer, SIZE,
-                    ", %p [%4ux%4u:%4u,%3X]",
-                    buf->handle, buf->width, buf->height, buf->stride,
-                    buf->format);
-            result.append(buffer);
-        }
-        result.append("\n");
-    }
-}
-
 void BufferQueue::freeBufferLocked(int i) {
     mSlots[i].mGraphicBuffer = 0;
     mSlots[i].mBufferState = BufferSlot::FREE;
     mSlots[i].mFrameNumber = 0;
-    mSlots[i].mAcquireCalled = false;
-
-    // destroy fence as BufferQueue now takes ownership
-    if (mSlots[i].mFence != EGL_NO_SYNC_KHR) {
-        eglDestroySyncKHR(mSlots[i].mEglDisplay, mSlots[i].mFence);
-        mSlots[i].mFence = EGL_NO_SYNC_KHR;
+    if (mSlots[i].mEglImage != EGL_NO_IMAGE_KHR) {
+        eglDestroyImageKHR(mSlots[i].mEglDisplay, mSlots[i].mEglImage);
+        mSlots[i].mEglImage = EGL_NO_IMAGE_KHR;
+        mSlots[i].mEglDisplay = EGL_NO_DISPLAY;
     }
 }
 
 void BufferQueue::freeAllBuffersLocked() {
     ALOGW_IF(!mQueue.isEmpty(),
             "freeAllBuffersLocked called but mQueue is not empty");
-    mQueue.clear();
-    mBufferHasBeenQueued = false;
+    mCurrentTexture = INVALID_BUFFER_SLOT;
     for (int i = 0; i < NUM_BUFFER_SLOTS; i++) {
         freeBufferLocked(i);
     }
 }
 
-status_t BufferQueue::acquire(BufferItem *buffer) {
-    Mutex::Autolock _l(mMutex);
-    // check if queue is empty
-    // In asynchronous mode the list is guaranteed to be one buffer
-    // deep, while in synchronous mode we use the oldest buffer.
-    if (!mQueue.empty()) {
-        Fifo::iterator front(mQueue.begin());
-        int buf = *front;
-
-        if (mSlots[buf].mAcquireCalled) {
-            buffer->mGraphicBuffer = NULL;
-        }
-        else {
-            buffer->mGraphicBuffer = mSlots[buf].mGraphicBuffer;
-        }
-        buffer->mCrop = mSlots[buf].mCrop;
-        buffer->mTransform = mSlots[buf].mTransform;
-        buffer->mScalingMode = mSlots[buf].mScalingMode;
-        buffer->mFrameNumber = mSlots[buf].mFrameNumber;
-        buffer->mBuf = buf;
-        mSlots[buf].mAcquireCalled = true;
-
-        mSlots[buf].mBufferState = BufferSlot::ACQUIRED;
-        mQueue.erase(front);
-    }
-    else {
-        return -EINVAL; //should be a better return code
-    }
-
-    return OK;
-}
-
-status_t BufferQueue::releaseBuffer(int buf, EGLDisplay display,
-        EGLSyncKHR fence) {
-    Mutex::Autolock _l(mMutex);
-
-    if (buf == INVALID_BUFFER_SLOT) {
-        return -EINVAL;
-    }
-
-    mSlots[buf].mEglDisplay = display;
-    mSlots[buf].mFence = fence;
-
-    // The current buffer becomes FREE if it was still in the queued
-    // state. If it has already been given to the client
-    // (synchronous mode), then it stays in DEQUEUED state.
-    if (mSlots[buf].mBufferState == BufferSlot::QUEUED
-            || mSlots[buf].mBufferState == BufferSlot::ACQUIRED) {
-        mSlots[buf].mBufferState = BufferSlot::FREE;
-    }
-    mDequeueCondition.signal();
-
-    return OK;
-}
-
-status_t BufferQueue::consumerDisconnect() {
-    Mutex::Autolock lock(mMutex);
-    // Once the SurfaceTexture disconnects, the BufferQueue
-    // is considered abandoned
-    mAbandoned = true;
-    freeAllBuffersLocked();
-    mDequeueCondition.signal();
-    return OK;
-}
-
-status_t BufferQueue::setDefaultBufferSize(uint32_t w, uint32_t h)
-{
-    ST_LOGV("setDefaultBufferSize: w=%d, h=%d", w, h);
-    if (!w || !h) {
-        ST_LOGE("setDefaultBufferSize: dimensions cannot be 0 (w=%d, h=%d)",
-                w, h);
-        return BAD_VALUE;
-    }
-
-    Mutex::Autolock lock(mMutex);
-    mDefaultWidth = w;
-    mDefaultHeight = h;
-    return OK;
-}
-
-status_t BufferQueue::setBufferCountServer(int bufferCount) {
-    Mutex::Autolock lock(mMutex);
-    return setBufferCountServerLocked(bufferCount);
-}
-
 void BufferQueue::freeAllBuffersExceptHeadLocked() {
     ALOGW_IF(!mQueue.isEmpty(),
             "freeAllBuffersExceptCurrentLocked called but mQueue is not empty");
@@ -881,7 +715,7 @@
         Fifo::iterator front(mQueue.begin());
         head = *front;
     }
-    mBufferHasBeenQueued = false;
+    mCurrentTexture = INVALID_BUFFER_SLOT;
     for (int i = 0; i < NUM_BUFFER_SLOTS; i++) {
         if (i != head) {
             freeBufferLocked(i);
diff --git a/libs/gui/DisplayEventReceiver.cpp b/libs/gui/DisplayEventReceiver.cpp
index 6a4763d..a6790ad 100644
--- a/libs/gui/DisplayEventReceiver.cpp
+++ b/libs/gui/DisplayEventReceiver.cpp
@@ -21,11 +21,10 @@
 #include <gui/BitTube.h>
 #include <gui/DisplayEventReceiver.h>
 #include <gui/IDisplayEventConnection.h>
+#include <gui/ISurfaceComposer.h>
 
 #include <private/gui/ComposerService.h>
 
-#include <surfaceflinger/ISurfaceComposer.h>
-
 // ---------------------------------------------------------------------------
 
 namespace android {
diff --git a/libs/gui/IGraphicBufferAlloc.cpp b/libs/gui/IGraphicBufferAlloc.cpp
index 30f8d00..a70a5e8 100644
--- a/libs/gui/IGraphicBufferAlloc.cpp
+++ b/libs/gui/IGraphicBufferAlloc.cpp
@@ -24,7 +24,7 @@
 
 #include <ui/GraphicBuffer.h>
 
-#include <surfaceflinger/IGraphicBufferAlloc.h>
+#include <gui/IGraphicBufferAlloc.h>
 
 // ---------------------------------------------------------------------------
 
diff --git a/libs/gui/ISurface.cpp b/libs/gui/ISurface.cpp
index 96155d7..c2ea183 100644
--- a/libs/gui/ISurface.cpp
+++ b/libs/gui/ISurface.cpp
@@ -22,8 +22,8 @@
 
 #include <binder/Parcel.h>
 
+#include <gui/ISurface.h>
 #include <gui/ISurfaceTexture.h>
-#include <surfaceflinger/ISurface.h>
 
 namespace android {
 
diff --git a/libs/gui/ISurfaceComposer.cpp b/libs/gui/ISurfaceComposer.cpp
index 95b2379..1f1794c 100644
--- a/libs/gui/ISurfaceComposer.cpp
+++ b/libs/gui/ISurfaceComposer.cpp
@@ -25,17 +25,15 @@
 #include <binder/IPCThreadState.h>
 #include <binder/IServiceManager.h>
 
-#include <private/surfaceflinger/LayerState.h>
-
-#include <surfaceflinger/ISurfaceComposer.h>
-
 #include <gui/BitTube.h>
 #include <gui/IDisplayEventConnection.h>
+#include <gui/ISurfaceComposer.h>
+#include <gui/ISurfaceTexture.h>
+
+#include <private/gui/LayerState.h>
 
 #include <ui/DisplayInfo.h>
 
-#include <gui/ISurfaceTexture.h>
-
 #include <utils/Log.h>
 
 // ---------------------------------------------------------------------------
diff --git a/libs/gui/ISurfaceComposerClient.cpp b/libs/gui/ISurfaceComposerClient.cpp
index 8fe96b1..ca9ed5b 100644
--- a/libs/gui/ISurfaceComposerClient.cpp
+++ b/libs/gui/ISurfaceComposerClient.cpp
@@ -29,9 +29,9 @@
 #include <ui/Point.h>
 #include <ui/Rect.h>
 
-#include <surfaceflinger/ISurface.h>
-#include <surfaceflinger/ISurfaceComposerClient.h>
-#include <private/surfaceflinger/LayerState.h>
+#include <gui/ISurface.h>
+#include <gui/ISurfaceComposerClient.h>
+#include <private/gui/LayerState.h>
 
 // ---------------------------------------------------------------------------
 
diff --git a/libs/gui/LayerState.cpp b/libs/gui/LayerState.cpp
index 87901e8..224c305 100644
--- a/libs/gui/LayerState.cpp
+++ b/libs/gui/LayerState.cpp
@@ -16,8 +16,8 @@
 
 #include <utils/Errors.h>
 #include <binder/Parcel.h>
-#include <private/surfaceflinger/LayerState.h>
-#include <surfaceflinger/ISurfaceComposerClient.h>
+#include <gui/ISurfaceComposerClient.h>
+#include <private/gui/LayerState.h>
 
 namespace android {
 
diff --git a/libs/gui/Surface.cpp b/libs/gui/Surface.cpp
index 337950c..72b27ed 100644
--- a/libs/gui/Surface.cpp
+++ b/libs/gui/Surface.cpp
@@ -28,16 +28,15 @@
 
 #include <binder/IPCThreadState.h>
 
-#include <gui/SurfaceTextureClient.h>
-
 #include <ui/DisplayInfo.h>
 #include <ui/GraphicBuffer.h>
 #include <ui/Rect.h>
 
-#include <surfaceflinger/ISurface.h>
-#include <surfaceflinger/ISurfaceComposer.h>
-#include <surfaceflinger/Surface.h>
-#include <surfaceflinger/SurfaceComposerClient.h>
+#include <gui/ISurface.h>
+#include <gui/ISurfaceComposer.h>
+#include <gui/Surface.h>
+#include <gui/SurfaceComposerClient.h>
+#include <gui/SurfaceTextureClient.h>
 
 namespace android {
 
diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index 699438c..ceb1ba6 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -31,15 +31,14 @@
 
 #include <ui/DisplayInfo.h>
 
-#include <surfaceflinger/ISurface.h>
-#include <surfaceflinger/ISurfaceComposer.h>
-#include <surfaceflinger/ISurfaceComposerClient.h>
-#include <surfaceflinger/SurfaceComposerClient.h>
-
-#include <private/surfaceflinger/LayerState.h>
-#include <private/surfaceflinger/SharedBufferStack.h>
+#include <gui/ISurface.h>
+#include <gui/ISurfaceComposer.h>
+#include <gui/ISurfaceComposerClient.h>
+#include <gui/SurfaceComposerClient.h>
 
 #include <private/gui/ComposerService.h>
+#include <private/gui/LayerState.h>
+#include <private/gui/SharedBufferStack.h>
 
 namespace android {
 // ---------------------------------------------------------------------------
diff --git a/libs/gui/SurfaceTexture.cpp b/libs/gui/SurfaceTexture.cpp
index ee5deb3..5f0013c 100644
--- a/libs/gui/SurfaceTexture.cpp
+++ b/libs/gui/SurfaceTexture.cpp
@@ -25,15 +25,14 @@
 #include <GLES2/gl2.h>
 #include <GLES2/gl2ext.h>
 
-#include <gui/SurfaceTexture.h>
-
 #include <hardware/hardware.h>
 
-#include <private/gui/ComposerService.h>
+#include <gui/IGraphicBufferAlloc.h>
+#include <gui/ISurfaceComposer.h>
+#include <gui/SurfaceComposerClient.h>
+#include <gui/SurfaceTexture.h>
 
-#include <surfaceflinger/ISurfaceComposer.h>
-#include <surfaceflinger/SurfaceComposerClient.h>
-#include <surfaceflinger/IGraphicBufferAlloc.h>
+#include <private/gui/ComposerService.h>
 
 #include <utils/Log.h>
 #include <utils/String8.h>
@@ -97,11 +96,6 @@
 
 static void mtxMul(float out[16], const float a[16], const float b[16]);
 
-// Get an ID that's unique within this process.
-static int32_t createProcessUniqueId() {
-    static volatile int32_t globalCounter = 0;
-    return android_atomic_inc(&globalCounter);
-}
 
 SurfaceTexture::SurfaceTexture(GLuint tex, bool allowSynchronousMode,
         GLenum texTarget, bool useFenceSync) :
@@ -114,13 +108,8 @@
 #else
     mUseFenceSync(false),
 #endif
-    mTexTarget(texTarget),
-    mAbandoned(false),
-    mCurrentTexture(BufferQueue::INVALID_BUFFER_SLOT)
+    mTexTarget(texTarget)
 {
-    // Choose a name using the PID and a process-unique ID.
-    mName = String8::format("unnamed-%d-%d", getpid(), createProcessUniqueId());
-    BufferQueue::setConsumerName(mName);
 
     ST_LOGV("SurfaceTexture");
     memcpy(mCurrentTransformMatrix, mtxIdentity,
@@ -129,18 +118,28 @@
 
 SurfaceTexture::~SurfaceTexture() {
     ST_LOGV("~SurfaceTexture");
-    abandon();
+    freeAllBuffersLocked();
 }
 
 status_t SurfaceTexture::setBufferCountServer(int bufferCount) {
     Mutex::Autolock lock(mMutex);
-    return BufferQueue::setBufferCountServer(bufferCount);
+    return setBufferCountServerLocked(bufferCount);
 }
 
 
 status_t SurfaceTexture::setDefaultBufferSize(uint32_t w, uint32_t h)
 {
-    return BufferQueue::setDefaultBufferSize(w, h);
+    ST_LOGV("setDefaultBufferSize: w=%d, h=%d", w, h);
+    if (!w || !h) {
+        ST_LOGE("setDefaultBufferSize: dimensions cannot be 0 (w=%d, h=%d)",
+                w, h);
+        return BAD_VALUE;
+    }
+
+    Mutex::Autolock lock(mMutex);
+    mDefaultWidth = w;
+    mDefaultHeight = h;
+    return OK;
 }
 
 status_t SurfaceTexture::updateTexImage() {
@@ -152,35 +151,23 @@
         return NO_INIT;
     }
 
-    BufferItem item;
-
     // In asynchronous mode the list is guaranteed to be one buffer
     // deep, while in synchronous mode we use the oldest buffer.
-    if (acquire(&item) == NO_ERROR) {
-        int buf = item.mBuf;
-        // This buffer was newly allocated, so we need to clean up on our side
-        if (item.mGraphicBuffer != NULL) {
-            mEGLSlots[buf].mGraphicBuffer = 0;
-            if (mEGLSlots[buf].mEglImage != EGL_NO_IMAGE_KHR) {
-                eglDestroyImageKHR(mEGLSlots[buf].mEglDisplay,
-                        mEGLSlots[buf].mEglImage);
-                mEGLSlots[buf].mEglImage = EGL_NO_IMAGE_KHR;
-                mEGLSlots[buf].mEglDisplay = EGL_NO_DISPLAY;
-            }
-            mEGLSlots[buf].mGraphicBuffer = item.mGraphicBuffer;
-        }
+    if (!mQueue.empty()) {
+        Fifo::iterator front(mQueue.begin());
+        int buf = *front;
 
         // Update the GL texture object.
-        EGLImageKHR image = mEGLSlots[buf].mEglImage;
+        EGLImageKHR image = mSlots[buf].mEglImage;
         EGLDisplay dpy = eglGetCurrentDisplay();
         if (image == EGL_NO_IMAGE_KHR) {
-            if (item.mGraphicBuffer == 0) {
+            if (mSlots[buf].mGraphicBuffer == 0) {
                 ST_LOGE("buffer at slot %d is null", buf);
                 return BAD_VALUE;
             }
-            image = createImage(dpy, item.mGraphicBuffer);
-            mEGLSlots[buf].mEglImage = image;
-            mEGLSlots[buf].mEglDisplay = dpy;
+            image = createImage(dpy, mSlots[buf].mGraphicBuffer);
+            mSlots[buf].mEglImage = image;
+            mSlots[buf].mEglDisplay = dpy;
             if (image == EGL_NO_IMAGE_KHR) {
                 // NOTE: if dpy was invalid, createImage() is guaranteed to
                 // fail. so we'd end up here.
@@ -203,8 +190,6 @@
             failed = true;
         }
         if (failed) {
-            releaseBuffer(buf, mEGLSlots[buf].mEglDisplay,
-                    mEGLSlots[buf].mFence);
             return -EINVAL;
         }
 
@@ -215,37 +200,40 @@
                 if (fence == EGL_NO_SYNC_KHR) {
                     ALOGE("updateTexImage: error creating fence: %#x",
                             eglGetError());
-                    releaseBuffer(buf, mEGLSlots[buf].mEglDisplay,
-                            mEGLSlots[buf].mFence);
                     return -EINVAL;
                 }
                 glFlush();
-                mEGLSlots[mCurrentTexture].mFence = fence;
+                mSlots[mCurrentTexture].mFence = fence;
             }
         }
 
         ST_LOGV("updateTexImage: (slot=%d buf=%p) -> (slot=%d buf=%p)",
                 mCurrentTexture,
                 mCurrentTextureBuf != NULL ? mCurrentTextureBuf->handle : 0,
-                buf, item.mGraphicBuffer->handle);
+                buf, mSlots[buf].mGraphicBuffer->handle);
 
-        // release old buffer
-        releaseBuffer(mCurrentTexture,
-                mEGLSlots[mCurrentTexture].mEglDisplay,
-                mEGLSlots[mCurrentTexture].mFence);
+        if (mCurrentTexture != INVALID_BUFFER_SLOT) {
+            // The current buffer becomes FREE if it was still in the queued
+            // state. If it has already been given to the client
+            // (synchronous mode), then it stays in DEQUEUED state.
+            if (mSlots[mCurrentTexture].mBufferState == BufferSlot::QUEUED) {
+                mSlots[mCurrentTexture].mBufferState = BufferSlot::FREE;
+            }
+        }
 
         // Update the SurfaceTexture state.
         mCurrentTexture = buf;
-        mCurrentTextureBuf = mEGLSlots[buf].mGraphicBuffer;
-        mCurrentCrop = item.mCrop;
-        mCurrentTransform = item.mTransform;
-        mCurrentScalingMode = item.mScalingMode;
-        mCurrentTimestamp = item.mTimestamp;
+        mCurrentTextureBuf = mSlots[buf].mGraphicBuffer;
+        mCurrentCrop = mSlots[buf].mCrop;
+        mCurrentTransform = mSlots[buf].mTransform;
+        mCurrentScalingMode = mSlots[buf].mScalingMode;
+        mCurrentTimestamp = mSlots[buf].mTimestamp;
         computeCurrentTransformMatrix();
 
         // Now that we've passed the point at which failures can happen,
         // it's safe to remove the buffer from the front of the queue.
-
+        mQueue.erase(front);
+        mDequeueCondition.signal();
     } else {
         // We always bind the texture even if we don't update its contents.
         glBindTexture(mTexTarget, mTexName);
@@ -311,7 +299,7 @@
         }
     }
 
-    sp<GraphicBuffer>& buf(mCurrentTextureBuf);
+    sp<GraphicBuffer>& buf(mSlots[mCurrentTexture].mGraphicBuffer);
     float tx, ty, sx, sy;
     if (!mCurrentCrop.isEmpty()) {
         // In order to prevent bilinear sampling at the of the crop rectangle we
@@ -383,7 +371,7 @@
         const sp<FrameAvailableListener>& listener) {
     ST_LOGV("setFrameAvailableListener");
     Mutex::Autolock lock(mMutex);
-    BufferQueue::setFrameAvailableListener(listener);
+    mFrameAvailableListener = listener;
 }
 
 EGLImageKHR SurfaceTexture::createImage(EGLDisplay dpy,
@@ -424,33 +412,22 @@
 
 bool SurfaceTexture::isSynchronousMode() const {
     Mutex::Autolock lock(mMutex);
-    return BufferQueue::isSynchronousMode();
+    return mSynchronousMode;
 }
 
+
+
 void SurfaceTexture::abandon() {
     Mutex::Autolock lock(mMutex);
+    mQueue.clear();
     mAbandoned = true;
     mCurrentTextureBuf.clear();
-
-    // destroy all egl buffers
-    for (int i =0; i < NUM_BUFFER_SLOTS; i++) {
-        mEGLSlots[i].mGraphicBuffer = 0;
-        if (mEGLSlots[i].mEglImage != EGL_NO_IMAGE_KHR) {
-            eglDestroyImageKHR(mEGLSlots[i].mEglDisplay,
-                    mEGLSlots[i].mEglImage);
-            mEGLSlots[i].mEglImage = EGL_NO_IMAGE_KHR;
-            mEGLSlots[i].mEglDisplay = EGL_NO_DISPLAY;
-        }
-    }
-
-    // disconnect from the BufferQueue
-    BufferQueue::consumerDisconnect();
+    freeAllBuffersLocked();
+    mDequeueCondition.signal();
 }
 
 void SurfaceTexture::setName(const String8& name) {
-    Mutex::Autolock _l(mMutex);
     mName = name;
-    BufferQueue::setConsumerName(name);
 }
 
 void SurfaceTexture::dump(String8& result) const
@@ -463,19 +440,68 @@
         char* buffer, size_t SIZE) const
 {
     Mutex::Autolock _l(mMutex);
-    snprintf(buffer, SIZE, "%smTexName=%d\n", prefix, mTexName);
+    snprintf(buffer, SIZE,
+            "%smBufferCount=%d, mSynchronousMode=%d, default-size=[%dx%d], "
+            "mPixelFormat=%d, mTexName=%d\n",
+            prefix, mBufferCount, mSynchronousMode, mDefaultWidth,
+            mDefaultHeight, mPixelFormat, mTexName);
     result.append(buffer);
 
+    String8 fifo;
+    int fifoSize = 0;
+    Fifo::const_iterator i(mQueue.begin());
+    while (i != mQueue.end()) {
+        snprintf(buffer, SIZE, "%02d ", *i++);
+        fifoSize++;
+        fifo.append(buffer);
+    }
+
     snprintf(buffer, SIZE,
-            "%snext   : {crop=[%d,%d,%d,%d], transform=0x%02x, current=%d}\n"
-            ,prefix, mCurrentCrop.left,
+            "%scurrent: {crop=[%d,%d,%d,%d], transform=0x%02x, current=%d}\n"
+            "%snext   : {crop=[%d,%d,%d,%d], transform=0x%02x, FIFO(%d)={%s}}\n"
+            ,
+            prefix, mCurrentCrop.left,
             mCurrentCrop.top, mCurrentCrop.right, mCurrentCrop.bottom,
-            mCurrentTransform, mCurrentTexture
+            mCurrentTransform, mCurrentTexture,
+            prefix, mNextCrop.left, mNextCrop.top, mNextCrop.right,
+            mNextCrop.bottom, mNextTransform, fifoSize, fifo.string()
     );
     result.append(buffer);
 
+    struct {
+        const char * operator()(int state) const {
+            switch (state) {
+                case BufferSlot::DEQUEUED: return "DEQUEUED";
+                case BufferSlot::QUEUED: return "QUEUED";
+                case BufferSlot::FREE: return "FREE";
+                default: return "Unknown";
+            }
+        }
+    } stateName;
 
-    BufferQueue::dump(result, prefix, buffer, SIZE);
+    for (int i=0 ; i<mBufferCount ; i++) {
+        const BufferSlot& slot(mSlots[i]);
+        snprintf(buffer, SIZE,
+                "%s%s[%02d] "
+                "state=%-8s, crop=[%d,%d,%d,%d], "
+                "transform=0x%02x, timestamp=%lld",
+                prefix, (i==mCurrentTexture)?">":" ", i,
+                stateName(slot.mBufferState),
+                slot.mCrop.left, slot.mCrop.top, slot.mCrop.right,
+                slot.mCrop.bottom, slot.mTransform, slot.mTimestamp
+        );
+        result.append(buffer);
+
+        const sp<GraphicBuffer>& buf(slot.mGraphicBuffer);
+        if (buf != NULL) {
+            snprintf(buffer, SIZE,
+                    ", %p [%4ux%4u:%4u,%3X]",
+                    buf->handle, buf->width, buf->height, buf->stride,
+                    buf->format);
+            result.append(buffer);
+        }
+        result.append("\n");
+    }
 }
 
 static void mtxMul(float out[16], const float a[16], const float b[16]) {
diff --git a/libs/gui/SurfaceTextureClient.cpp b/libs/gui/SurfaceTextureClient.cpp
index d0934ba..dac54a8 100644
--- a/libs/gui/SurfaceTextureClient.cpp
+++ b/libs/gui/SurfaceTextureClient.cpp
@@ -17,12 +17,12 @@
 #define LOG_TAG "SurfaceTextureClient"
 //#define LOG_NDEBUG 0
 
-#include <gui/SurfaceTextureClient.h>
-#include <surfaceflinger/ISurfaceComposer.h>
-#include <surfaceflinger/SurfaceComposerClient.h>
-
 #include <utils/Log.h>
 
+#include <gui/ISurfaceComposer.h>
+#include <gui/SurfaceComposerClient.h>
+#include <gui/SurfaceTextureClient.h>
+
 #include <private/gui/ComposerService.h>
 
 namespace android {
diff --git a/libs/gui/tests/SurfaceTexture_test.cpp b/libs/gui/tests/SurfaceTexture_test.cpp
index b18e7b0..8c6defe 100644
--- a/libs/gui/tests/SurfaceTexture_test.cpp
+++ b/libs/gui/tests/SurfaceTexture_test.cpp
@@ -24,9 +24,9 @@
 #include <utils/String8.h>
 #include <utils/threads.h>
 
-#include <surfaceflinger/ISurfaceComposer.h>
-#include <surfaceflinger/Surface.h>
-#include <surfaceflinger/SurfaceComposerClient.h>
+#include <gui/ISurfaceComposer.h>
+#include <gui/Surface.h>
+#include <gui/SurfaceComposerClient.h>
 
 #include <EGL/egl.h>
 #include <EGL/eglext.h>
diff --git a/libs/gui/tests/Surface_test.cpp b/libs/gui/tests/Surface_test.cpp
index ea52750..b585d68 100644
--- a/libs/gui/tests/Surface_test.cpp
+++ b/libs/gui/tests/Surface_test.cpp
@@ -17,9 +17,9 @@
 #include <gtest/gtest.h>
 
 #include <binder/IMemory.h>
-#include <surfaceflinger/ISurfaceComposer.h>
-#include <surfaceflinger/Surface.h>
-#include <surfaceflinger/SurfaceComposerClient.h>
+#include <gui/ISurfaceComposer.h>
+#include <gui/Surface.h>
+#include <gui/SurfaceComposerClient.h>
 #include <utils/String8.h>
 
 #include <private/gui/ComposerService.h>
diff --git a/libs/surfaceflinger_client/Android.mk b/libs/surfaceflinger_client/Android.mk
deleted file mode 100644
index 5fca1ce..0000000
--- a/libs/surfaceflinger_client/Android.mk
+++ /dev/null
@@ -1,10 +0,0 @@
-LOCAL_PATH:= $(call my-dir)
-include $(CLEAR_VARS)
-
-LOCAL_SRC_FILES:=
-
-LOCAL_SHARED_LIBRARIES := 
-
-LOCAL_MODULE:= libsurfaceflinger_client
-
-include $(BUILD_SHARED_LIBRARY)
diff --git a/libs/utils/Android.mk b/libs/utils/Android.mk
index a96c8e6..57c048a 100644
--- a/libs/utils/Android.mk
+++ b/libs/utils/Android.mk
@@ -77,7 +77,8 @@
 # we have the common sources, plus some device-specific stuff
 LOCAL_SRC_FILES:= \
 	$(commonSources) \
-	Looper.cpp
+	Looper.cpp \
+	Trace.cpp
 
 ifeq ($(TARGET_OS),linux)
 LOCAL_LDLIBS += -lrt -ldl
diff --git a/libs/utils/Trace.cpp b/libs/utils/Trace.cpp
new file mode 100644
index 0000000..c49278a
--- /dev/null
+++ b/libs/utils/Trace.cpp
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <cutils/properties.h>
+#include <utils/Log.h>
+#include <utils/Trace.h>
+
+namespace android {
+
+volatile int32_t Tracer::sIsReady = 0;
+int Tracer::sTraceFD = -1;
+uint64_t Tracer::sEnabledTags = 0;
+Mutex Tracer::sMutex;
+
+void Tracer::init() {
+    Mutex::Autolock lock(sMutex);
+
+    if (!sIsReady) {
+        const char* const traceFileName =
+                "/sys/kernel/debug/tracing/trace_marker";
+        sTraceFD = open(traceFileName, O_WRONLY);
+        if (sTraceFD == -1) {
+            ALOGE("error opening trace file: %s (%d)", strerror(errno), errno);
+        } else {
+            char value[PROPERTY_VALUE_MAX];
+            property_get("atrace.tags.enableflags", value, "0");
+            sEnabledTags = strtoll(value, NULL, 0) | ATRACE_TAG_ALWAYS;
+        }
+
+        android_atomic_release_store(1, &sIsReady);
+    }
+}
+
+} // namespace andoid
diff --git a/opengl/libagl/context.h b/opengl/libagl/context.h
index ef36b56..7065a30 100644
--- a/opengl/libagl/context.h
+++ b/opengl/libagl/context.h
@@ -1,20 +1,642 @@
-/* libs/opengles/context.h
-**
-** Copyright 2006, The Android Open Source Project
-**
-** Licensed under the Apache License, Version 2.0 (the "License"); 
-** you may not use this file except in compliance with the License. 
-** You may obtain a copy of the License at 
-**
-**     http://www.apache.org/licenses/LICENSE-2.0 
-**
-** Unless required by applicable law or agreed to in writing, software 
-** distributed under the License is distributed on an "AS IS" BASIS, 
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
-** See the License for the specific language governing permissions and 
-** limitations under the License.
-*/
+/*
+ * Copyright (C) 2006 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 
-#include <private/opengles/gl_context.h>
+#ifndef ANDROID_OPENGLES_CONTEXT_H
+#define ANDROID_OPENGLES_CONTEXT_H
+
+#include <stdint.h>
+#include <stddef.h>
+#include <sys/types.h>
+#include <pthread.h>
+#ifdef HAVE_ANDROID_OS
+#include <bionic_tls.h>
+#endif
+
+#include <private/pixelflinger/ggl_context.h>
+#include <hardware/gralloc.h>
+
+#include <GLES/gl.h>
+#include <GLES/glext.h>
+
+namespace android {
+
+
+const unsigned int OGLES_NUM_COMPRESSED_TEXTURE_FORMATS = 10
+#ifdef GL_OES_compressed_ETC1_RGB8_texture
+        + 1
+#endif
+        ;
+
+class EGLTextureObject;
+class EGLSurfaceManager;
+class EGLBufferObjectManager;
+
+namespace gl {
+
+struct ogles_context_t;
+struct matrixx_t;
+struct transform_t;
+struct buffer_t;
+
+ogles_context_t* getGlContext();
+
+template<typename T>
+static inline void swap(T& a, T& b) {
+    T t(a); a = b; b = t;
+}
+template<typename T>
+inline T max(T a, T b) {
+    return a<b ? b : a;
+}
+template<typename T>
+inline T max(T a, T b, T c) {
+    return max(a, max(b, c));
+}
+template<typename T>
+inline T min(T a, T b) {
+    return a<b ? a : b;
+}
+template<typename T>
+inline T min(T a, T b, T c) {
+    return min(a, min(b, c));
+}
+template<typename T>
+inline T min(T a, T b, T c, T d) {
+    return min(min(a,b), min(c,d));
+}
+
+// ----------------------------------------------------------------------------
+// vertices
+// ----------------------------------------------------------------------------
+
+struct vec3_t {
+    union {
+        struct { GLfixed x, y, z; };
+        struct { GLfixed r, g, b; };
+        struct { GLfixed S, T, R; };
+        GLfixed v[3];
+    };
+};
+
+struct vec4_t {
+    union {
+        struct { GLfixed x, y, z, w; };
+        struct { GLfixed r, g, b, a; };
+        struct { GLfixed S, T, R, Q; };
+        GLfixed v[4];
+    };
+};
+
+struct vertex_t {
+    enum {
+        // these constant matter for our clipping
+        CLIP_L          = 0x0001,   // clipping flags
+        CLIP_R          = 0x0002,
+        CLIP_B          = 0x0004,
+        CLIP_T          = 0x0008,
+        CLIP_N          = 0x0010,
+        CLIP_F          = 0x0020,
+
+        EYE             = 0x0040,
+        RESERVED        = 0x0080,
+
+        USER_CLIP_0     = 0x0100,   // user clipping flags
+        USER_CLIP_1     = 0x0200,
+        USER_CLIP_2     = 0x0400,
+        USER_CLIP_3     = 0x0800,
+        USER_CLIP_4     = 0x1000,
+        USER_CLIP_5     = 0x2000,
+
+        LIT             = 0x4000,   // lighting has been applied
+        TT              = 0x8000,   // texture coords transformed
+
+        FRUSTUM_CLIP_ALL= 0x003F,
+        USER_CLIP_ALL   = 0x3F00,
+        CLIP_ALL        = 0x3F3F,
+    };
+
+    // the fields below are arranged to minimize d-cache usage
+    // we group together, by cache-line, the fields most likely to be used
+
+    union {
+    vec4_t          obj;
+    vec4_t          eye;
+    };
+    vec4_t          clip;
+
+    uint32_t        flags;
+    size_t          index;  // cache tag, and vertex index
+    GLfixed         fog;
+    uint8_t         locked;
+    uint8_t         mru;
+    uint8_t         reserved[2];
+    vec4_t          window;
+
+    vec4_t          color;
+    vec4_t          texture[GGL_TEXTURE_UNIT_COUNT];
+    uint32_t        reserved1[4];
+
+    inline void clear() {
+        flags = index = locked = mru = 0;
+    }
+};
+
+struct point_size_t {
+    GGLcoord    size;
+    GLboolean   smooth;
+};
+
+struct line_width_t {
+    GGLcoord    width;
+    GLboolean   smooth;
+};
+
+struct polygon_offset_t {
+    GLfixed     factor;
+    GLfixed     units;
+    GLboolean   enable;
+};
+
+// ----------------------------------------------------------------------------
+// arrays
+// ----------------------------------------------------------------------------
+
+struct array_t {
+    typedef void (*fetcher_t)(ogles_context_t*, GLfixed*, const GLvoid*);
+    fetcher_t       fetch;
+    GLvoid const*   physical_pointer;
+    GLint           size;
+    GLsizei         stride;
+    GLvoid const*   pointer;
+    buffer_t const* bo;
+    uint16_t        type;
+    GLboolean       enable;
+    GLboolean       pad;
+    GLsizei         bounds;
+    void init(GLint, GLenum, GLsizei, const GLvoid *, const buffer_t*, GLsizei);
+    inline void resolve();
+    inline const GLubyte* element(GLint i) const {
+        return (const GLubyte*)physical_pointer + i * stride;
+    }
+};
+
+struct array_machine_t {
+    array_t         vertex;
+    array_t         normal;
+    array_t         color;
+    array_t         texture[GGL_TEXTURE_UNIT_COUNT];
+    uint8_t         activeTexture;
+    uint8_t         tmu;
+    uint16_t        cull;
+    uint32_t        flags;
+    GLenum          indicesType;
+    buffer_t const* array_buffer;
+    buffer_t const* element_array_buffer;
+
+    void (*compileElements)(ogles_context_t*, vertex_t*, GLint, GLsizei);
+    void (*compileElement)(ogles_context_t*, vertex_t*, GLint);
+
+    void (*mvp_transform)(transform_t const*, vec4_t*, vec4_t const*);
+    void (*mv_transform)(transform_t const*, vec4_t*, vec4_t const*);
+    void (*tex_transform[2])(transform_t const*, vec4_t*, vec4_t const*);
+    void (*perspective)(ogles_context_t*c, vertex_t* v);
+    void (*clipVertex)(ogles_context_t* c, vertex_t* nv,
+            GGLfixed t, const vertex_t* s, const vertex_t* p);
+    void (*clipEye)(ogles_context_t* c, vertex_t* nv,
+            GGLfixed t, const vertex_t* s, const vertex_t* p);
+};
+
+struct vertex_cache_t {
+    enum {
+        // must be at least 4
+        // 3 vertice for triangles
+        // or 2 + 2 for indexed triangles w/ cache contention
+        VERTEX_BUFFER_SIZE  = 8,
+        // must be a power of two and at least 3
+        VERTEX_CACHE_SIZE   = 64,   // 8 KB
+
+        INDEX_BITS      = 16,
+        INDEX_MASK      = ((1LU<<INDEX_BITS)-1),
+        INDEX_SEQ       = 1LU<<INDEX_BITS,
+    };
+    vertex_t*       vBuffer;
+    vertex_t*       vCache;
+    uint32_t        sequence;
+    void*           base;
+    uint32_t        total;
+    uint32_t        misses;
+    int64_t         startTime;
+    void init();
+    void uninit();
+    void clear();
+    void dump_stats(GLenum mode);
+};
+
+// ----------------------------------------------------------------------------
+// fog
+// ----------------------------------------------------------------------------
+
+struct fog_t {
+    GLfixed     density;
+    GLfixed     start;
+    GLfixed     end;
+    GLfixed     invEndMinusStart;
+    GLenum      mode;
+    GLfixed     (*fog)(ogles_context_t* c, GLfixed z);
+};
+
+// ----------------------------------------------------------------------------
+// user clip planes
+// ----------------------------------------------------------------------------
+
+const unsigned int OGLES_MAX_CLIP_PLANES = 6;
+
+struct clip_plane_t {
+    vec4_t      equation;
+};
+
+struct user_clip_planes_t {
+    clip_plane_t    plane[OGLES_MAX_CLIP_PLANES];
+    uint32_t        enable;
+};
+
+// ----------------------------------------------------------------------------
+// lighting
+// ----------------------------------------------------------------------------
+
+const unsigned int OGLES_MAX_LIGHTS = 8;
+
+struct light_t {
+    vec4_t      ambient;
+    vec4_t      diffuse;
+    vec4_t      specular;
+    vec4_t      implicitAmbient;
+    vec4_t      implicitDiffuse;
+    vec4_t      implicitSpecular;
+    vec4_t      position;       // position in eye space
+    vec4_t      objPosition;
+    vec4_t      normalizedObjPosition;
+    vec4_t      spotDir;
+    vec4_t      normalizedSpotDir;
+    GLfixed     spotExp;
+    GLfixed     spotCutoff;
+    GLfixed     spotCutoffCosine;
+    GLfixed     attenuation[3];
+    GLfixed     rConstAttenuation;
+    GLboolean   enable;
+};
+
+struct material_t {
+    vec4_t      ambient;
+    vec4_t      diffuse;
+    vec4_t      specular;
+    vec4_t      emission;
+    GLfixed     shininess;
+};
+
+struct light_model_t {
+    vec4_t      ambient;
+    GLboolean   twoSide;
+};
+
+struct color_material_t {
+    GLenum      face;
+    GLenum      mode;
+    GLboolean   enable;
+};
+
+struct lighting_t {
+    light_t             lights[OGLES_MAX_LIGHTS];
+    material_t          front;
+    light_model_t       lightModel;
+    color_material_t    colorMaterial;
+    vec4_t              implicitSceneEmissionAndAmbient;
+    vec4_t              objViewer;
+    uint32_t            enabledLights;
+    GLboolean           enable;
+    GLenum              shadeModel;
+    typedef void (*light_fct_t)(ogles_context_t*, vertex_t*);
+    void (*lightVertex)(ogles_context_t* c, vertex_t* v);
+    void (*lightTriangle)(ogles_context_t* c,
+            vertex_t* v0, vertex_t* v1, vertex_t* v2);
+};
+
+struct culling_t {
+    GLenum      cullFace;
+    GLenum      frontFace;
+    GLboolean   enable;
+};
+
+// ----------------------------------------------------------------------------
+// textures
+// ----------------------------------------------------------------------------
+
+struct texture_unit_t {
+    GLuint              name;
+    EGLTextureObject*   texture;
+    uint8_t             dirty;
+};
+
+struct texture_state_t
+{
+    texture_unit_t      tmu[GGL_TEXTURE_UNIT_COUNT];
+    int                 active;     // active tmu
+    EGLTextureObject*   defaultTexture;
+    GGLContext*         ggl;
+    uint8_t             packAlignment;
+    uint8_t             unpackAlignment;
+};
+
+// ----------------------------------------------------------------------------
+// transformation and matrices
+// ----------------------------------------------------------------------------
+
+struct matrixf_t;
+
+struct matrixx_t {
+    GLfixed m[16];
+    void load(const matrixf_t& rhs);
+};
+
+struct matrix_stack_t;
+
+
+struct matrixf_t {
+    void loadIdentity();
+    void load(const matrixf_t& rhs);
+
+    inline GLfloat* editElements() { return m; }
+    inline GLfloat const* elements() const { return m; }
+
+    void set(const GLfixed* rhs);
+    void set(const GLfloat* rhs);
+
+    static void multiply(matrixf_t& r,
+            const matrixf_t& lhs, const matrixf_t& rhs);
+
+    void dump(const char* what);
+
+private:
+    friend struct matrix_stack_t;
+    GLfloat     m[16];
+    void load(const GLfixed* rhs);
+    void load(const GLfloat* rhs);
+    void multiply(const matrixf_t& rhs);
+    void translate(GLfloat x, GLfloat y, GLfloat z);
+    void scale(GLfloat x, GLfloat y, GLfloat z);
+    void rotate(GLfloat a, GLfloat x, GLfloat y, GLfloat z);
+};
+
+enum {
+    OP_IDENTITY         = 0x00,
+    OP_TRANSLATE        = 0x01,
+    OP_UNIFORM_SCALE    = 0x02,
+    OP_SCALE            = 0x05,
+    OP_ROTATE           = 0x08,
+    OP_SKEW             = 0x10,
+    OP_ALL              = 0x1F
+};
+
+struct transform_t {
+    enum {
+        FLAGS_2D_PROJECTION = 0x1
+    };
+    matrixx_t       matrix;
+    uint32_t        flags;
+    uint32_t        ops;
+
+    union {
+        struct {
+            void (*point2)(transform_t const* t, vec4_t*, vec4_t const*);
+            void (*point3)(transform_t const* t, vec4_t*, vec4_t const*);
+            void (*point4)(transform_t const* t, vec4_t*, vec4_t const*);
+        };
+        void (*pointv[3])(transform_t const* t, vec4_t*, vec4_t const*);
+    };
+
+    void loadIdentity();
+    void picker();
+    void dump(const char* what);
+};
+
+struct mvui_transform_t : public transform_t
+{
+    void picker();
+};
+
+struct matrix_stack_t {
+    enum {
+        DO_PICKER           = 0x1,
+        DO_FLOAT_TO_FIXED   = 0x2
+    };
+    transform_t     transform;
+    uint8_t         maxDepth;
+    uint8_t         depth;
+    uint8_t         dirty;
+    uint8_t         reserved;
+    matrixf_t       *stack;
+    uint8_t         *ops;
+    void init(int depth);
+    void uninit();
+    void loadIdentity();
+    void load(const GLfixed* rhs);
+    void load(const GLfloat* rhs);
+    void multiply(const matrixf_t& rhs);
+    void translate(GLfloat x, GLfloat y, GLfloat z);
+    void scale(GLfloat x, GLfloat y, GLfloat z);
+    void rotate(GLfloat a, GLfloat x, GLfloat y, GLfloat z);
+    GLint push();
+    GLint pop();
+    void validate();
+    matrixf_t& top() { return stack[depth]; }
+    const matrixf_t& top() const { return stack[depth]; }
+    uint32_t top_ops() const { return ops[depth]; }
+    inline bool isRigidBody() const {
+        return !(ops[depth] & ~(OP_TRANSLATE|OP_UNIFORM_SCALE|OP_ROTATE));
+    }
+};
+
+struct vp_transform_t {
+    transform_t     transform;
+    matrixf_t       matrix;
+    GLfloat         zNear;
+    GLfloat         zFar;
+    void loadIdentity();
+};
+
+struct transform_state_t {
+    enum {
+        MODELVIEW           = 0x01,
+        PROJECTION          = 0x02,
+        VIEWPORT            = 0x04,
+        TEXTURE             = 0x08,
+        MVUI                = 0x10,
+        MVIT                = 0x20,
+        MVP                 = 0x40,
+    };
+    matrix_stack_t      *current;
+    matrix_stack_t      modelview;
+    matrix_stack_t      projection;
+    matrix_stack_t      texture[GGL_TEXTURE_UNIT_COUNT];
+
+    // modelview * projection
+    transform_t         mvp     __attribute__((aligned(32)));
+    // viewport transformation
+    vp_transform_t      vpt     __attribute__((aligned(32)));
+    // same for 4-D vertices
+    transform_t         mvp4;
+    // full modelview inverse transpose
+    transform_t         mvit4;
+    // upper 3x3 of mv-inverse-transpose (for normals)
+    mvui_transform_t    mvui;
+
+    GLenum              matrixMode;
+    GLenum              rescaleNormals;
+    uint32_t            dirty;
+    void invalidate();
+    void update_mvp();
+    void update_mvit();
+    void update_mvui();
+};
+
+struct viewport_t {
+    GLint       x;
+    GLint       y;
+    GLsizei     w;
+    GLsizei     h;
+    struct {
+        GLint       x;
+        GLint       y;
+    } surfaceport;
+    struct {
+        GLint       x;
+        GLint       y;
+        GLsizei     w;
+        GLsizei     h;
+    } scissor;
+};
+
+// ----------------------------------------------------------------------------
+// Lerping
+// ----------------------------------------------------------------------------
+
+struct compute_iterators_t
+{
+    void initTriangle(
+            vertex_t const* v0,
+            vertex_t const* v1,
+            vertex_t const* v2);
+
+    void initLine(
+            vertex_t const* v0,
+            vertex_t const* v1);
+
+    inline void initLerp(vertex_t const* v0, uint32_t enables);
+
+    int iteratorsScale(int32_t it[3],
+            int32_t c0, int32_t c1, int32_t c2) const;
+
+    void iterators1616(GGLfixed it[3],
+            GGLfixed c0, GGLfixed c1, GGLfixed c2) const;
+
+    void iterators0032(int32_t it[3],
+            int32_t c0, int32_t c1, int32_t c2) const;
+
+    void iterators0032(int64_t it[3],
+            int32_t c0, int32_t c1, int32_t c2) const;
+
+    GGLcoord area() const { return m_area; }
+
+private:
+    // don't change order of members here -- used by iterators.S
+    GGLcoord m_dx01, m_dy10, m_dx20, m_dy02;
+    GGLcoord m_x0, m_y0;
+    GGLcoord m_area;
+    uint8_t m_scale;
+    uint8_t m_area_scale;
+    uint8_t m_reserved[2];
+
+};
+
+// ----------------------------------------------------------------------------
+// state
+// ----------------------------------------------------------------------------
+
+#ifdef HAVE_ANDROID_OS
+    // We have a dedicated TLS slot in bionic
+    inline void setGlThreadSpecific(ogles_context_t *value) {
+        ((uint32_t *)__get_tls())[TLS_SLOT_OPENGL] = (uint32_t)value;
+    }
+    inline ogles_context_t* getGlThreadSpecific() {
+        return (ogles_context_t *)(((unsigned *)__get_tls())[TLS_SLOT_OPENGL]);
+    }
+#else
+    extern pthread_key_t gGLKey;
+    inline void setGlThreadSpecific(ogles_context_t *value) {
+        pthread_setspecific(gGLKey, value);
+    }
+    inline ogles_context_t* getGlThreadSpecific() {
+        return static_cast<ogles_context_t*>(pthread_getspecific(gGLKey));
+    }
+#endif
+
+
+struct prims_t {
+    typedef ogles_context_t* GL;
+    void (*renderPoint)(GL, vertex_t*);
+    void (*renderLine)(GL, vertex_t*, vertex_t*);
+    void (*renderTriangle)(GL, vertex_t*, vertex_t*, vertex_t*);
+};
+
+struct ogles_context_t {
+    context_t               rasterizer;
+    array_machine_t         arrays         __attribute__((aligned(32)));
+    texture_state_t         textures;
+    transform_state_t       transforms;
+    vertex_cache_t          vc;
+    prims_t                 prims;
+    culling_t               cull;
+    lighting_t              lighting;
+    user_clip_planes_t      clipPlanes;
+    compute_iterators_t     lerp;           __attribute__((aligned(32)));
+    vertex_t                current;
+    vec4_t                  currentColorClamped;
+    vec3_t                  currentNormal;
+    viewport_t              viewport;
+    point_size_t            point;
+    line_width_t            line;
+    polygon_offset_t        polygonOffset;
+    fog_t                   fog;
+    uint32_t                perspective : 1;
+    uint32_t                transformTextures : 1;
+    EGLSurfaceManager*      surfaceManager;
+    EGLBufferObjectManager* bufferObjectManager;
+
+    GLenum                  error;
+
+    static inline ogles_context_t* get() {
+        return getGlThreadSpecific();
+    }
+
+};
+
+}; // namespace gl
+}; // namespace android
 
 using namespace android::gl;
+
+#endif // ANDROID_OPENGLES_CONTEXT_H
+
diff --git a/services/surfaceflinger/DisplayHardware/DisplayHardware.cpp b/services/surfaceflinger/DisplayHardware/DisplayHardware.cpp
index cea17f8..9baae80 100644
--- a/services/surfaceflinger/DisplayHardware/DisplayHardware.cpp
+++ b/services/surfaceflinger/DisplayHardware/DisplayHardware.cpp
@@ -31,8 +31,6 @@
 #include <EGL/egl.h>
 #include <EGL/eglext.h>
 
-#include <pixelflinger/pixelflinger.h>
-
 #include "DisplayHardware/DisplayHardware.h"
 
 #include <hardware/gralloc.h>
diff --git a/services/surfaceflinger/DisplayHardware/DisplayHardware.h b/services/surfaceflinger/DisplayHardware/DisplayHardware.h
index 02be4dc..0a828b3 100644
--- a/services/surfaceflinger/DisplayHardware/DisplayHardware.h
+++ b/services/surfaceflinger/DisplayHardware/DisplayHardware.h
@@ -27,8 +27,6 @@
 #include <EGL/egl.h>
 #include <EGL/eglext.h>
 
-#include <pixelflinger/pixelflinger.h>
-
 #include "GLExtensions.h"
 
 #include "DisplayHardware/DisplayHardwareBase.h"
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index efcdd87..c15fdbc 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -17,6 +17,7 @@
 #include <stdlib.h>
 #include <stdint.h>
 #include <sys/types.h>
+#include <math.h>
 
 #include <cutils/compiler.h>
 #include <cutils/native_handle.h>
@@ -29,7 +30,7 @@
 #include <ui/GraphicBuffer.h>
 #include <ui/PixelFormat.h>
 
-#include <surfaceflinger/Surface.h>
+#include <gui/Surface.h>
 
 #include "clz.h"
 #include "DisplayHardware/DisplayHardware.h"
@@ -38,7 +39,6 @@
 #include "Layer.h"
 #include "SurfaceFlinger.h"
 #include "SurfaceTextureLayer.h"
-#include <math.h>
 
 #define DEBUG_RESIZE    0
 
diff --git a/services/surfaceflinger/Layer.h b/services/surfaceflinger/Layer.h
index 39bbb2b..8d508c2 100644
--- a/services/surfaceflinger/Layer.h
+++ b/services/surfaceflinger/Layer.h
@@ -22,10 +22,13 @@
 
 #include <gui/SurfaceTexture.h>
 
-#include <pixelflinger/pixelflinger.h>
+#include <utils/Timers.h>
+
 #include <ui/GraphicBuffer.h>
 #include <ui/PixelFormat.h>
 
+#include <gui/ISurfaceComposerClient.h>
+
 #include <EGL/egl.h>
 #include <EGL/eglext.h>
 #include <GLES/gl.h>
@@ -34,7 +37,6 @@
 #include "LayerBase.h"
 #include "SurfaceTextureLayer.h"
 #include "Transform.h"
-#include <utils/Timers.h>
 
 namespace android {
 
diff --git a/services/surfaceflinger/LayerBase.h b/services/surfaceflinger/LayerBase.h
index b8f7680..cd6efdd 100644
--- a/services/surfaceflinger/LayerBase.h
+++ b/services/surfaceflinger/LayerBase.h
@@ -28,10 +28,9 @@
 
 #include <ui/Region.h>
 
-#include <surfaceflinger/ISurfaceComposerClient.h>
-#include <private/surfaceflinger/LayerState.h>
+#include <gui/ISurfaceComposerClient.h>
 
-#include <pixelflinger/pixelflinger.h>
+#include <private/gui/LayerState.h>
 
 #include <hardware/hwcomposer.h>
 
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 05b5bf5..62461bb 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -43,14 +43,13 @@
 #include <ui/GraphicBufferAllocator.h>
 #include <ui/PixelFormat.h>
 
-#include <pixelflinger/pixelflinger.h>
 #include <GLES/gl.h>
 
 #include "clz.h"
+#include "DdmConnection.h"
 #include "DisplayEventConnection.h"
 #include "EventThread.h"
 #include "GLExtensions.h"
-#include "DdmConnection.h"
 #include "Layer.h"
 #include "LayerDim.h"
 #include "LayerScreenshot.h"
@@ -60,7 +59,7 @@
 #include "DisplayHardware/HWComposer.h"
 
 #include <private/android_filesystem_config.h>
-#include <private/surfaceflinger/SharedBufferStack.h>
+#include <private/gui/SharedBufferStack.h>
 
 #define EGL_VERSION_HW_ANDROID  0x3143
 
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index fcd9361..b507877 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -33,9 +33,9 @@
 #include <binder/IMemory.h>
 
 #include <ui/PixelFormat.h>
-#include <surfaceflinger/IGraphicBufferAlloc.h>
-#include <surfaceflinger/ISurfaceComposer.h>
-#include <surfaceflinger/ISurfaceComposerClient.h>
+#include <gui/IGraphicBufferAlloc.h>
+#include <gui/ISurfaceComposer.h>
+#include <gui/ISurfaceComposerClient.h>
 
 #include "Barrier.h"
 #include "Layer.h"
diff --git a/services/surfaceflinger/tests/Transaction_test.cpp b/services/surfaceflinger/tests/Transaction_test.cpp
index 396a3fd..84ae0d9 100644
--- a/services/surfaceflinger/tests/Transaction_test.cpp
+++ b/services/surfaceflinger/tests/Transaction_test.cpp
@@ -17,9 +17,12 @@
 #include <gtest/gtest.h>
 
 #include <binder/IMemory.h>
-#include <surfaceflinger/ISurfaceComposer.h>
-#include <surfaceflinger/Surface.h>
-#include <surfaceflinger/SurfaceComposerClient.h>
+
+#include <gui/ISurfaceComposer.h>
+#include <gui/Surface.h>
+#include <gui/SurfaceComposerClient.h>
+#include <private/gui/ComposerService.h>
+
 #include <utils/String8.h>
 
 namespace android {
diff --git a/services/surfaceflinger/tests/resize/resize.cpp b/services/surfaceflinger/tests/resize/resize.cpp
index 7f3f064..c143b3d 100644
--- a/services/surfaceflinger/tests/resize/resize.cpp
+++ b/services/surfaceflinger/tests/resize/resize.cpp
@@ -22,9 +22,8 @@
 #include <binder/ProcessState.h>
 #include <binder/IServiceManager.h>
 
-#include <surfaceflinger/Surface.h>
-#include <surfaceflinger/ISurface.h>
-#include <surfaceflinger/SurfaceComposerClient.h>
+#include <gui/Surface.h>
+#include <gui/SurfaceComposerClient.h>
 
 using namespace android;
 
diff --git a/services/surfaceflinger/tests/screencap/screencap.cpp b/services/surfaceflinger/tests/screencap/screencap.cpp
index 6cf1504..53566e0 100644
--- a/services/surfaceflinger/tests/screencap/screencap.cpp
+++ b/services/surfaceflinger/tests/screencap/screencap.cpp
@@ -21,7 +21,7 @@
 #include <binder/IServiceManager.h>
 
 #include <binder/IMemory.h>
-#include <surfaceflinger/ISurfaceComposer.h>
+#include <gui/ISurfaceComposer.h>
 
 #include <SkImageEncoder.h>
 #include <SkBitmap.h>
diff --git a/services/surfaceflinger/tests/surface/surface.cpp b/services/surfaceflinger/tests/surface/surface.cpp
index 9c15f9b..a8878f7 100644
--- a/services/surfaceflinger/tests/surface/surface.cpp
+++ b/services/surfaceflinger/tests/surface/surface.cpp
@@ -22,9 +22,8 @@
 #include <binder/ProcessState.h>
 #include <binder/IServiceManager.h>
 
-#include <surfaceflinger/Surface.h>
-#include <surfaceflinger/ISurface.h>
-#include <surfaceflinger/SurfaceComposerClient.h>
+#include <gui/Surface.h>
+#include <gui/SurfaceComposerClient.h>
 
 using namespace android;