diff --git a/libs/surfaceflinger/Android.mk b/libs/surfaceflinger/Android.mk
index 49da111..eb51c22 100644
--- a/libs/surfaceflinger/Android.mk
+++ b/libs/surfaceflinger/Android.mk
@@ -6,8 +6,6 @@
     DisplayHardware/DisplayHardware.cpp \
     DisplayHardware/DisplayHardwareBase.cpp \
     BlurFilter.cpp.arm \
-    Buffer.cpp \
-    BufferAllocator.cpp \
     Layer.cpp \
     LayerBase.cpp \
     LayerBuffer.cpp \
diff --git a/libs/surfaceflinger/Buffer.cpp b/libs/surfaceflinger/Buffer.cpp
deleted file mode 100644
index 6190cd8..0000000
--- a/libs/surfaceflinger/Buffer.cpp
+++ /dev/null
@@ -1,137 +0,0 @@
-/*
- * 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.
- */
-
-#include <stdlib.h>
-#include <stdint.h>
-#include <sys/types.h>
-
-#include <utils/Errors.h>
-#include <utils/Log.h>
-
-#include <ui/PixelFormat.h>
-#include <pixelflinger/pixelflinger.h>
-
-#include "Buffer.h"
-#include "BufferAllocator.h"
-
-namespace android {
-
-// ===========================================================================
-// Buffer and implementation of android_native_buffer_t
-// ===========================================================================
-
-Buffer::Buffer()
-    : SurfaceBuffer(), mInitCheck(NO_ERROR),  mVStride(0)
-{
-}
-
-Buffer::Buffer(uint32_t w, uint32_t h, PixelFormat format,
-        uint32_t reqUsage, uint32_t flags)
-    : SurfaceBuffer(), mInitCheck(NO_INIT), mVStride(0)
-{
-    mInitCheck = initSize(w, h, format, reqUsage, flags);
-}
-
-Buffer::~Buffer()
-{
-    if (handle) {
-        BufferAllocator& allocator(BufferAllocator::get());
-        allocator.free(handle);
-    }
-}
-
-status_t Buffer::initCheck() const {
-    return mInitCheck;
-}
-
-android_native_buffer_t* Buffer::getNativeBuffer() const
-{
-    return static_cast<android_native_buffer_t*>(const_cast<Buffer*>(this));
-}
-
-status_t Buffer::reallocate(uint32_t w, uint32_t h, PixelFormat f,
-        uint32_t reqUsage, uint32_t flags)
-{
-    if (handle) {
-        BufferAllocator& allocator(BufferAllocator::get());
-        allocator.free(handle);
-        handle = 0;
-    }
-    return initSize(w, h, f, reqUsage, flags);
-}
-
-status_t Buffer::initSize(uint32_t w, uint32_t h, PixelFormat format,
-        uint32_t reqUsage, uint32_t flags)
-{
-    status_t err = NO_ERROR;
-
-    BufferAllocator& allocator = BufferAllocator::get();
-        
-    /*
-     *  buffers used for software rendering, but h/w composition
-     *  are allocated with SW_READ_OFTEN | SW_WRITE_OFTEN | HW_TEXTURE
-     *  
-     *  buffers used for h/w rendering and h/w composition
-     *  are allocated with  HW_RENDER | HW_TEXTURE
-     *  
-     *  buffers used with h/w rendering and either NPOT or no egl_image_ext
-     *  are allocated with SW_READ_RARELY | HW_RENDER 
-     *  
-     */
-    
-    if (flags & Buffer::SECURE) {
-        // secure buffer, don't store it into the GPU
-        usage = BufferAllocator::USAGE_SW_READ_OFTEN | 
-                BufferAllocator::USAGE_SW_WRITE_OFTEN;
-    } else {
-        // it's allowed to modify the usage flags here, but generally
-        // the requested flags should be honored.
-        usage = reqUsage | BufferAllocator::USAGE_HW_TEXTURE;
-    }
-    
-    if (format == PIXEL_FORMAT_RGBX_8888)
-        format = PIXEL_FORMAT_RGBA_8888;
-
-    err = allocator.alloc(w, h, format, usage, &handle, &stride);
-    if (err == NO_ERROR) {
-        this->width  = w;
-        this->height = h;
-        this->format = format;
-        mVStride = 0;
-    }
-
-    return err;
-}
-
-status_t Buffer::lock(GGLSurface* sur, uint32_t usage) 
-{
-    void* vaddr;
-    status_t res = SurfaceBuffer::lock(usage, &vaddr);
-    if (res == NO_ERROR && sur) {
-        sur->version = sizeof(GGLSurface);
-        sur->width = width;
-        sur->height = height;
-        sur->stride = stride;
-        sur->format = format;
-        sur->vstride = mVStride;
-        sur->data = static_cast<GGLubyte*>(vaddr);
-    }
-    return res;
-}
-
-// ---------------------------------------------------------------------------
-
-}; // namespace android
diff --git a/libs/surfaceflinger/Buffer.h b/libs/surfaceflinger/Buffer.h
deleted file mode 100644
index 203da3b..0000000
--- a/libs/surfaceflinger/Buffer.h
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
- * 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 ANDROID_LAYER_BITMAP_H
-#define ANDROID_LAYER_BITMAP_H
-
-#include <stdint.h>
-#include <sys/types.h>
-
-#include <ui/PixelFormat.h>
-#include <ui/Rect.h>
-#include <pixelflinger/pixelflinger.h>
-#include <private/ui/SurfaceBuffer.h>
-
-struct android_native_buffer_t;
-
-namespace android {
-
-// ===========================================================================
-// Buffer
-// ===========================================================================
-
-class Buffer : public SurfaceBuffer
-{
-public:
-    enum {
-        DONT_CLEAR  = 0x00000001,
-        SECURE      = 0x00000004
-    };
-
-    Buffer();
-
-    // creates w * h buffer
-    Buffer(uint32_t w, uint32_t h, PixelFormat format,
-            uint32_t reqUsage, uint32_t flags = 0);
-
-    // return status
-    status_t initCheck() const;
-
-    uint32_t getWidth() const           { return width; }
-    uint32_t getHeight() const          { return height; }
-    uint32_t getStride() const          { return stride; }
-    uint32_t getUsage() const           { return usage; }
-    PixelFormat getPixelFormat() const  { return format; }
-    Rect getBounds() const              { return Rect(width, height); }
-    
-    status_t lock(GGLSurface* surface, uint32_t usage);
-    
-    android_native_buffer_t* getNativeBuffer() const;
-    
-    status_t reallocate(uint32_t w, uint32_t h, PixelFormat f,
-            uint32_t reqUsage, uint32_t flags);
-
-private:
-    friend class LightRefBase<Buffer>;
-    Buffer(const Buffer& rhs);
-    virtual ~Buffer();
-    Buffer& operator = (const Buffer& rhs);
-    const Buffer& operator = (const Buffer& rhs) const;
-
-    status_t initSize(uint32_t w, uint32_t h, PixelFormat format,
-            uint32_t reqUsage, uint32_t flags);
-
-    ssize_t     mInitCheck;
-    uint32_t    mVStride;
-};
-
-}; // namespace android
-
-#endif // ANDROID_LAYER_BITMAP_H
diff --git a/libs/surfaceflinger/BufferAllocator.h b/libs/surfaceflinger/BufferAllocator.h
deleted file mode 100644
index a279ded..0000000
--- a/libs/surfaceflinger/BufferAllocator.h
+++ /dev/null
@@ -1,96 +0,0 @@
-/* 
-**
-** Copyright 2009, 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_BUFFER_ALLOCATOR_H
-#define ANDROID_BUFFER_ALLOCATOR_H
-
-#include <stdint.h>
-
-#include <cutils/native_handle.h>
-
-#include <utils/Errors.h>
-#include <utils/KeyedVector.h>
-#include <utils/threads.h>
-#include <utils/Singleton.h>
-
-#include <ui/PixelFormat.h>
-
-#include <hardware/gralloc.h>
-
-
-namespace android {
-// ---------------------------------------------------------------------------
-
-class String8;
-
-class BufferAllocator : public Singleton<BufferAllocator>
-{
-public:
-    enum {
-        USAGE_SW_READ_NEVER     = GRALLOC_USAGE_SW_READ_NEVER,
-        USAGE_SW_READ_RARELY    = GRALLOC_USAGE_SW_READ_RARELY,
-        USAGE_SW_READ_OFTEN     = GRALLOC_USAGE_SW_READ_OFTEN,
-        USAGE_SW_READ_MASK      = GRALLOC_USAGE_SW_READ_MASK,
-        
-        USAGE_SW_WRITE_NEVER    = GRALLOC_USAGE_SW_WRITE_NEVER,
-        USAGE_SW_WRITE_RARELY   = GRALLOC_USAGE_SW_WRITE_RARELY,
-        USAGE_SW_WRITE_OFTEN    = GRALLOC_USAGE_SW_WRITE_OFTEN,
-        USAGE_SW_WRITE_MASK     = GRALLOC_USAGE_SW_WRITE_MASK,
-        
-        USAGE_SOFTWARE_MASK     = USAGE_SW_READ_MASK|USAGE_SW_WRITE_MASK,
-        
-        USAGE_HW_TEXTURE        = GRALLOC_USAGE_HW_TEXTURE,
-        USAGE_HW_RENDER         = GRALLOC_USAGE_HW_RENDER,
-        USAGE_HW_2D             = GRALLOC_USAGE_HW_2D,
-        USAGE_HW_MASK           = GRALLOC_USAGE_HW_MASK
-    };
-
-    static inline BufferAllocator& get() { return getInstance(); }
-    
-
-    status_t alloc(uint32_t w, uint32_t h, PixelFormat format, int usage,
-            buffer_handle_t* handle, int32_t* stride);
-
-    status_t free(buffer_handle_t handle);
-
-    void dump(String8& res) const;
-
-private:
-    struct alloc_rec_t {
-        uint32_t w;
-        uint32_t h;
-        PixelFormat format;
-        uint32_t usage;
-        void* vaddr;
-        size_t size;
-    };
-    
-    static Mutex sLock;
-    static KeyedVector<buffer_handle_t, alloc_rec_t> sAllocList;
-    
-    friend class Singleton<BufferAllocator>;
-    BufferAllocator();
-    ~BufferAllocator();
-    
-    mutable Mutex mLock;
-    alloc_device_t  *mAllocDev;
-};
-
-// ---------------------------------------------------------------------------
-}; // namespace android
-
-#endif // ANDROID_BUFFER_ALLOCATOR_H
diff --git a/libs/surfaceflinger/Layer.cpp b/libs/surfaceflinger/Layer.cpp
index 13201db..c1f7f27 100644
--- a/libs/surfaceflinger/Layer.cpp
+++ b/libs/surfaceflinger/Layer.cpp
@@ -25,10 +25,10 @@
 #include <utils/Log.h>
 #include <utils/StopWatch.h>
 
+#include <ui/GraphicBuffer.h>
 #include <ui/PixelFormat.h>
 #include <ui/Surface.h>
 
-#include "Buffer.h"
 #include "clz.h"
 #include "Layer.h"
 #include "SurfaceFlinger.h"
@@ -109,14 +109,10 @@
     PixelFormatInfo displayInfo;
     getPixelFormatInfo(hw.getFormat(), &displayInfo);
 
-    uint32_t bufferFlags = 0;
-    if (flags & ISurfaceComposer::eSecure)
-        bufferFlags |= Buffer::SECURE;
-
     mFormat = format;
     mWidth = w;
     mHeight = h;
-    mSecure = (bufferFlags & Buffer::SECURE) ? true : false;
+    mSecure = (flags & ISurfaceComposer::eSecure) ? true : false;
     mNeedsBlending = (info.h_alpha - info.l_alpha) > 0;
 
     // we use the red index
@@ -124,9 +120,8 @@
     int layerRedsize = info.getSize(PixelFormatInfo::INDEX_RED);
     mNeedsDithering = layerRedsize > displayRedSize;
 
-    mBufferFlags = bufferFlags;
     for (size_t i=0 ; i<NUM_BUFFERS ; i++) {
-        mBuffers[i] = new Buffer();
+        mBuffers[i] = new GraphicBuffer();
     }
     mSurface = new SurfaceLayer(mFlinger, clientIndex(), this);
     return NO_ERROR;
@@ -135,8 +130,9 @@
 void Layer::reloadTexture(const Region& dirty)
 {
     Mutex::Autolock _l(mLock);
-    sp<Buffer> buffer(getFrontBuffer());
-    if (LIKELY(mFlags & DisplayHardware::DIRECT_TEXTURE)) {
+    sp<GraphicBuffer> buffer(getFrontBuffer());
+    if (LIKELY((mFlags & DisplayHardware::DIRECT_TEXTURE) &&
+            (buffer->usage & GRALLOC_USAGE_HW_TEXTURE))) {
         int index = mFrontBufferIndex;
         if (LIKELY(!mTextures[index].dirty)) {
             glBindTexture(GL_TEXTURE_2D, mTextures[index].name);
@@ -187,6 +183,7 @@
                     mFlags &= ~DisplayHardware::DIRECT_TEXTURE;
                 } else {
                     // Everything went okay!
+                    mTextures[index].NPOTAdjust = false;
                     mTextures[index].dirty  = false;
                     mTextures[index].width  = clientBuf->width;
                     mTextures[index].height = clientBuf->height;
@@ -194,15 +191,21 @@
             }                
         }
     } else {
+        for (int i=0 ; i<NUM_BUFFERS ; i++)
+            mTextures[i].image = EGL_NO_IMAGE_KHR;
+
         GGLSurface t;
-        status_t res = buffer->lock(&t, GRALLOC_USAGE_SW_READ_RARELY);
+        status_t res = buffer->lock(&t, GRALLOC_USAGE_SW_READ_OFTEN);
         LOGE_IF(res, "error %d (%s) locking buffer %p",
                 res, strerror(res), buffer.get());
+        
         if (res == NO_ERROR) {
             if (UNLIKELY(mTextures[0].name == -1U)) {
                 mTextures[0].name = createTexture();
+                mTextures[0].width = 0;
+                mTextures[0].height = 0;
             }
-            loadTexture(&mTextures[0], mTextures[0].name, dirty, t);
+            loadTexture(&mTextures[0], dirty, t);
             buffer->unlock();
         }
     }
@@ -211,8 +214,9 @@
 
 void Layer::onDraw(const Region& clip) const
 {
-    const int index = (mFlags & DisplayHardware::DIRECT_TEXTURE) ? 
-            mFrontBufferIndex : 0;
+    int index = mFrontBufferIndex;
+    if (mTextures[index].image == EGL_NO_IMAGE_KHR)
+        index = 0;
     GLuint textureName = mTextures[index].name;
     if (UNLIKELY(textureName == -1LU)) {
         // the texture has not been created yet, this Layer has
@@ -224,9 +228,9 @@
     drawWithOpenGL(clip, mTextures[index]);
 }
 
-sp<SurfaceBuffer> Layer::requestBuffer(int index, int usage)
+sp<GraphicBuffer> Layer::requestBuffer(int index, int usage)
 {
-    sp<Buffer> buffer;
+    sp<GraphicBuffer> buffer;
 
     // this ensures our client doesn't go away while we're accessing
     // the shared area.
@@ -269,14 +273,15 @@
         mBuffers[index].clear();
     }
 
+    const uint32_t effectiveUsage = getEffectiveUsage(usage);
     if (buffer!=0 && buffer->getStrongCount() == 1) {
-        err = buffer->reallocate(w, h, mFormat, usage, mBufferFlags);
+        err = buffer->reallocate(w, h, mFormat, effectiveUsage);
     } else {
         // here we have to reallocate a new buffer because we could have a
         // client in our process with a reference to it (eg: status bar),
         // and we can't release the handle under its feet.
         buffer.clear();
-        buffer = new Buffer(w, h, mFormat, usage, mBufferFlags);
+        buffer = new GraphicBuffer(w, h, mFormat, effectiveUsage);
         err = buffer->initCheck();
     }
 
@@ -305,6 +310,32 @@
     return buffer;
 }
 
+uint32_t Layer::getEffectiveUsage(uint32_t usage) const
+{
+    /*
+     *  buffers used for software rendering, but h/w composition
+     *  are allocated with SW_READ_OFTEN | SW_WRITE_OFTEN | HW_TEXTURE
+     *
+     *  buffers used for h/w rendering and h/w composition
+     *  are allocated with  HW_RENDER | HW_TEXTURE
+     *
+     *  buffers used with h/w rendering and either NPOT or no egl_image_ext
+     *  are allocated with SW_READ_RARELY | HW_RENDER
+     *
+     */
+
+    if (mSecure) {
+        // secure buffer, don't store it into the GPU
+        usage = GraphicBuffer::USAGE_SW_READ_OFTEN |
+                GraphicBuffer::USAGE_SW_WRITE_OFTEN;
+    } else {
+        // it's allowed to modify the usage flags here, but generally
+        // the requested flags should be honored.
+        usage |= GraphicBuffer::USAGE_HW_TEXTURE;
+    }
+    return usage;
+}
+
 uint32_t Layer::doTransaction(uint32_t flags)
 {
     const Layer::State& front(drawingState());
@@ -383,7 +414,7 @@
     mFrontBufferIndex = buf;
 
     // get the dirty region
-    sp<Buffer> newFrontBuffer(getBuffer(buf));
+    sp<GraphicBuffer> newFrontBuffer(getBuffer(buf));
     const Region dirty(lcblk->getDirtyRegion(buf));
     mPostedDirtyRegion = dirty.intersect( newFrontBuffer->getBounds() );
 
@@ -421,7 +452,9 @@
     // FIXME: signal an event if we have more buffers waiting
     // mFlinger->signalEvent();
 
-    reloadTexture( mPostedDirtyRegion );
+    if (!mPostedDirtyRegion.isEmpty()) {
+        reloadTexture( mPostedDirtyRegion );
+    }
 }
 
 void Layer::unlockPageFlip(
@@ -465,9 +498,9 @@
 {
 }
 
-sp<SurfaceBuffer> Layer::SurfaceLayer::requestBuffer(int index, int usage)
+sp<GraphicBuffer> Layer::SurfaceLayer::requestBuffer(int index, int usage)
 {
-    sp<SurfaceBuffer> buffer;
+    sp<GraphicBuffer> buffer;
     sp<Layer> owner(getOwner());
     if (owner != 0) {
         LOGE_IF(uint32_t(index)>=NUM_BUFFERS,
diff --git a/libs/surfaceflinger/Layer.h b/libs/surfaceflinger/Layer.h
index f111840..e176cfc 100644
--- a/libs/surfaceflinger/Layer.h
+++ b/libs/surfaceflinger/Layer.h
@@ -20,6 +20,7 @@
 #include <stdint.h>
 #include <sys/types.h>
 
+#include <ui/GraphicBuffer.h>
 #include <ui/PixelFormat.h>
 #include <pixelflinger/pixelflinger.h>
 
@@ -28,7 +29,6 @@
 #include <GLES/gl.h>
 #include <GLES/glext.h>
 
-#include "Buffer.h"
 #include "LayerBase.h"
 #include "Transform.h"
 
@@ -38,7 +38,6 @@
 
 class Client;
 class FreezeLock;
-class Buffer;
 
 // ---------------------------------------------------------------------------
 
@@ -74,20 +73,22 @@
     virtual status_t ditch();
     
     // only for debugging
-    inline sp<Buffer> getBuffer(int i) { return mBuffers[i]; }
+    inline sp<GraphicBuffer> getBuffer(int i) { return mBuffers[i]; }
     // only for debugging
     inline const sp<FreezeLock>&  getFreezeLock() const { return mFreezeLock; }
     // only for debugging
     inline PixelFormat pixelFormat() const { return mFormat; }
 
 private:
-    inline sp<Buffer> getFrontBuffer() {
+    inline sp<GraphicBuffer> getFrontBuffer() {
         return mBuffers[mFrontBufferIndex];
     }
  
     void reloadTexture(const Region& dirty);
 
-    sp<SurfaceBuffer> requestBuffer(int index, int usage);
+    uint32_t getEffectiveUsage(uint32_t usage) const;
+
+    sp<GraphicBuffer> requestBuffer(int index, int usage);
     void destroy();
 
     class SurfaceLayer : public LayerBaseClient::Surface {
@@ -96,7 +97,7 @@
                 SurfaceID id, const sp<Layer>& owner);
         ~SurfaceLayer();
     private:
-        virtual sp<SurfaceBuffer> requestBuffer(int index, int usage);
+        virtual sp<GraphicBuffer> requestBuffer(int index, int usage);
         sp<Layer> getOwner() const {
             return static_cast<Layer*>(Surface::getOwner().get());
         }
@@ -112,10 +113,9 @@
             Region          mPostedDirtyRegion;
             sp<FreezeLock>  mFreezeLock;
             PixelFormat     mFormat;
-            uint32_t        mBufferFlags;
             
             // protected by mLock
-            sp<Buffer>      mBuffers[NUM_BUFFERS];
+            sp<GraphicBuffer> mBuffers[NUM_BUFFERS];
             Texture         mTextures[NUM_BUFFERS];
             uint32_t        mWidth;
             uint32_t        mHeight;
diff --git a/libs/surfaceflinger/LayerBase.cpp b/libs/surfaceflinger/LayerBase.cpp
index 83814cc..b376e72 100644
--- a/libs/surfaceflinger/LayerBase.cpp
+++ b/libs/surfaceflinger/LayerBase.cpp
@@ -449,17 +449,9 @@
             glTranslatef(0, 1, 0);
             glRotatef(-90, 0, 0, 1);
         }
-
-        if (!(mFlags & (DisplayHardware::NPOT_EXTENSION |
-                DisplayHardware::DIRECT_TEXTURE))) {
-            // find the smallest power-of-two that will accommodate our surface
-            GLuint tw = 1 << (31 - clz(width));
-            GLuint th = 1 << (31 - clz(height));
-            if (tw < width)  tw <<= 1;
-            if (th < height) th <<= 1;
-            GLfloat ws = GLfloat(width) /tw;
-            GLfloat hs = GLfloat(height)/th;
-            glScalef(ws, hs, 1.0f);
+        
+        if (texture.NPOTAdjust) {
+            glScalef(texture.wScale, texture.hScale, 1.0f);
         }
 
         glEnableClientState(GL_TEXTURE_COORD_ARRAY);
@@ -508,21 +500,15 @@
     }
 }
 
-void LayerBase::loadTexture(Texture* texture, GLint textureName, 
+void LayerBase::loadTexture(Texture* texture, 
         const Region& dirty, const GGLSurface& t) const
 {
-    // TODO: defer the actual texture reload until LayerBase::validateTexture
-    // is called.
-
-    texture->name = textureName;
-    GLuint& textureWidth(texture->width);
-    GLuint& textureHeight(texture->height);
+    if (texture->name == -1U) {
+        // uh?
+        return;
+    }
     
-    uint32_t flags = mFlags;
-    glBindTexture(GL_TEXTURE_2D, textureName);
-
-    GLuint tw = t.width;
-    GLuint th = t.height;
+    glBindTexture(GL_TEXTURE_2D, texture->name);
 
     /*
      * In OpenGL ES we can't specify a stride with glTexImage2D (however,
@@ -547,64 +533,63 @@
     /*
      * round to POT if needed 
      */
-    
-    GLuint texture_w = tw;
-    GLuint texture_h = th;
-    if (!(flags & DisplayHardware::NPOT_EXTENSION)) {
-        // find the smallest power-of-two that will accommodate our surface
-        texture_w = 1 << (31 - clz(t.width));
-        texture_h = 1 << (31 - clz(t.height));
-        if (texture_w < t.width)  texture_w <<= 1;
-        if (texture_h < t.height) texture_h <<= 1;
+    if (!(mFlags & DisplayHardware::NPOT_EXTENSION)) {
+        texture->NPOTAdjust = true;
     }
     
-regular:
+    if (texture->NPOTAdjust) {
+        // find the smallest power-of-two that will accommodate our surface
+        texture->potWidth  = 1 << (31 - clz(t.width));
+        texture->potHeight = 1 << (31 - clz(t.height));
+        if (texture->potWidth  < t.width)  texture->potWidth  <<= 1;
+        if (texture->potHeight < t.height) texture->potHeight <<= 1;
+        texture->wScale = float(t.width)  / texture->potWidth;
+        texture->hScale = float(t.height) / texture->potHeight;
+    } else {
+        texture->potWidth  = t.width;
+        texture->potHeight = t.height;
+    }
+
     Rect bounds(dirty.bounds());
     GLvoid* data = 0;
-    if (texture_w!=textureWidth || texture_h!=textureHeight) {
-        // texture size changed, we need to create a new one
+    if (texture->width != t.width || texture->height != t.height) {
+        texture->width  = t.width;
+        texture->height = t.height;
 
-        if (!textureWidth || !textureHeight) {
-            // this is the first time, load the whole texture
-            if (texture_w==tw && texture_h==th) {
-                // we can do it one pass
-                data = t.data;
-            } else {
-                // we have to create the texture first because it
-                // doesn't match the size of the buffer
-                bounds.set(Rect(tw, th));
-            }
+        // texture size changed, we need to create a new one
+        bounds.set(Rect(t.width, t.height));
+        if (t.width  == texture->potWidth &&
+            t.height == texture->potHeight) {
+            // we can do it one pass
+            data = t.data;
         }
-        
+
         if (t.format == GGL_PIXEL_FORMAT_RGB_565) {
             glTexImage2D(GL_TEXTURE_2D, 0,
-                    GL_RGB, texture_w, texture_h, 0,
+                    GL_RGB, texture->potWidth, texture->potHeight, 0,
                     GL_RGB, GL_UNSIGNED_SHORT_5_6_5, data);
         } else if (t.format == GGL_PIXEL_FORMAT_RGBA_4444) {
             glTexImage2D(GL_TEXTURE_2D, 0,
-                    GL_RGBA, texture_w, texture_h, 0,
+                    GL_RGBA, texture->potWidth, texture->potHeight, 0,
                     GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, data);
         } else if (t.format == GGL_PIXEL_FORMAT_RGBA_8888 || 
                    t.format == GGL_PIXEL_FORMAT_RGBX_8888) {
             glTexImage2D(GL_TEXTURE_2D, 0,
-                    GL_RGBA, texture_w, texture_h, 0,
+                    GL_RGBA, texture->potWidth, texture->potHeight, 0,
                     GL_RGBA, GL_UNSIGNED_BYTE, data);
         } else if ( t.format == GGL_PIXEL_FORMAT_YCbCr_422_SP ||
                     t.format == GGL_PIXEL_FORMAT_YCbCr_420_SP) {
             // just show the Y plane of YUV buffers
             glTexImage2D(GL_TEXTURE_2D, 0,
-                    GL_LUMINANCE, texture_w, texture_h, 0,
+                    GL_LUMINANCE, texture->potWidth, texture->potHeight, 0,
                     GL_LUMINANCE, GL_UNSIGNED_BYTE, data);
         } else {
             // oops, we don't handle this format!
             LOGE("layer %p, texture=%d, using format %d, which is not "
-                 "supported by the GL", this, textureName, t.format);
-            textureName = -1;
+                 "supported by the GL", this, texture->name, t.format);
         }
-        textureWidth = texture_w;
-        textureHeight = texture_h;
     }
-    if (!data && textureName>=0) {
+    if (!data) {
         if (t.format == GGL_PIXEL_FORMAT_RGB_565) {
             glTexSubImage2D(GL_TEXTURE_2D, 0,
                     0, bounds.top, t.width, bounds.height(),
@@ -747,7 +732,7 @@
     return BnSurface::onTransact(code, data, reply, flags);
 }
 
-sp<SurfaceBuffer> LayerBaseClient::Surface::requestBuffer(int index, int usage) 
+sp<GraphicBuffer> LayerBaseClient::Surface::requestBuffer(int index, int usage) 
 {
     return NULL; 
 }
diff --git a/libs/surfaceflinger/LayerBase.h b/libs/surfaceflinger/LayerBase.h
index 0dfa4fe..efa4f8c 100644
--- a/libs/surfaceflinger/LayerBase.h
+++ b/libs/surfaceflinger/LayerBase.h
@@ -39,12 +39,11 @@
 
 // ---------------------------------------------------------------------------
 
-class SurfaceFlinger;
 class DisplayHardware;
-class GraphicPlane;
 class Client;
-class SurfaceBuffer;
-class Buffer;
+class GraphicBuffer;
+class GraphicPlane;
+class SurfaceFlinger;
 
 // ---------------------------------------------------------------------------
 
@@ -241,12 +240,18 @@
     
           struct Texture {
               Texture() : name(-1U), width(0), height(0),
-                  image(EGL_NO_IMAGE_KHR), transform(0), dirty(true) { }
+                  image(EGL_NO_IMAGE_KHR), transform(0), 
+                  NPOTAdjust(false), dirty(true) { }
               GLuint        name;
               GLuint        width;
               GLuint        height;
+              GLuint        potWidth;
+              GLuint        potHeight;
+              GLfloat       wScale;
+              GLfloat       hScale;
               EGLImageKHR   image;
               uint32_t      transform;
+              bool          NPOTAdjust;
               bool          dirty;
           };
 
@@ -254,7 +259,7 @@
                                GLclampx b, GLclampx alpha) const;
           void clearWithOpenGL(const Region& clip) const;
           void drawWithOpenGL(const Region& clip, const Texture& texture) const;
-          void loadTexture(Texture* texture, GLint textureName, 
+          void loadTexture(Texture* texture, 
                   const Region& dirty, const GGLSurface& t) const;
 
           
@@ -339,7 +344,7 @@
         sp<LayerBaseClient> getOwner() const;
 
     private:
-        virtual sp<SurfaceBuffer> requestBuffer(int index, int usage);
+        virtual sp<GraphicBuffer> requestBuffer(int index, int usage);
         virtual status_t registerBuffers(const ISurface::BufferHeap& buffers); 
         virtual void postBuffer(ssize_t offset);
         virtual void unregisterBuffers();
diff --git a/libs/surfaceflinger/LayerBuffer.cpp b/libs/surfaceflinger/LayerBuffer.cpp
index 667571b..7e27a02 100644
--- a/libs/surfaceflinger/LayerBuffer.cpp
+++ b/libs/surfaceflinger/LayerBuffer.cpp
@@ -23,13 +23,12 @@
 #include <utils/Log.h>
 #include <utils/StopWatch.h>
 
+#include <ui/GraphicBuffer.h>
 #include <ui/PixelFormat.h>
 #include <ui/FramebufferNativeWindow.h>
 
 #include <hardware/copybit.h>
 
-#include "Buffer.h"
-#include "BufferAllocator.h"
 #include "LayerBuffer.h"
 #include "SurfaceFlinger.h"
 #include "DisplayHardware/DisplayHardware.h"
@@ -474,9 +473,9 @@
                         mTempBitmap->getWidth() < size_t(tmp_w) || 
                         mTempBitmap->getHeight() < size_t(tmp_h)) {
                     mTempBitmap.clear();
-                    mTempBitmap = new android::Buffer(
-                            tmp_w, tmp_h, src.img.format,
-                            BufferAllocator::USAGE_HW_2D);
+                    mTempBitmap = new GraphicBuffer(
+                            tmp_w, tmp_h, src.img.format, 
+                            GraphicBuffer::USAGE_HW_2D);
                     err = mTempBitmap->initCheck();
                 }
 
@@ -549,7 +548,7 @@
         t.format = src.img.format;
         t.data = (GGLubyte*)src.img.base;
         const Region dirty(Rect(t.width, t.height));
-        mLayer.loadTexture(&mTexture, mTexture.name, dirty, t);
+        mLayer.loadTexture(&mTexture, dirty, t);
         mTexture.transform = mBufferHeap.transform;
         mLayer.drawWithOpenGL(clip, mTexture);
     }
diff --git a/libs/surfaceflinger/LayerBuffer.h b/libs/surfaceflinger/LayerBuffer.h
index 0452818..5eb472c 100644
--- a/libs/surfaceflinger/LayerBuffer.h
+++ b/libs/surfaceflinger/LayerBuffer.h
@@ -20,9 +20,6 @@
 #include <stdint.h>
 #include <sys/types.h>
 
-#include <binder/IMemory.h>
-#include <private/ui/LayerState.h>
-
 #include "LayerBase.h"
 
 struct copybit_device_t;
@@ -133,7 +130,7 @@
         status_t                        mStatus;
         ISurface::BufferHeap            mBufferHeap;
         size_t                          mBufferSize;
-        mutable sp<android::Buffer>     mTempBitmap;
+        mutable sp<GraphicBuffer>       mTempBitmap;
         mutable LayerBase::Texture      mTexture;
         copybit_device_t*               mBlitEngine;
     };
diff --git a/libs/surfaceflinger/LayerDim.cpp b/libs/surfaceflinger/LayerDim.cpp
index 8ba0a9d..538dc77 100644
--- a/libs/surfaceflinger/LayerDim.cpp
+++ b/libs/surfaceflinger/LayerDim.cpp
@@ -21,8 +21,8 @@
 #include <utils/Errors.h>
 #include <utils/Log.h>
 
-#include "Buffer.h"
-#include "BufferAllocator.h"
+#include <ui/GraphicBuffer.h>
+
 #include "LayerDim.h"
 #include "SurfaceFlinger.h"
 #include "DisplayHardware/DisplayHardware.h"
@@ -70,9 +70,9 @@
 
     if (LIKELY(flags & DisplayHardware::DIRECT_TEXTURE)) {
         // TODO: api to pass the usage flags
-        sp<Buffer> buffer = new Buffer(w, h, PIXEL_FORMAT_RGB_565,
-                 BufferAllocator::USAGE_SW_WRITE_OFTEN |
-                 BufferAllocator::USAGE_HW_TEXTURE);
+        sp<GraphicBuffer> buffer = new GraphicBuffer(w, h, PIXEL_FORMAT_RGB_565,
+                 GraphicBuffer::USAGE_SW_WRITE_OFTEN |
+                 GraphicBuffer::USAGE_HW_TEXTURE);
         
         android_native_buffer_t* clientBuf = buffer->getNativeBuffer();
 
diff --git a/libs/surfaceflinger/SurfaceFlinger.cpp b/libs/surfaceflinger/SurfaceFlinger.cpp
index f2b918f..9694cf1 100644
--- a/libs/surfaceflinger/SurfaceFlinger.cpp
+++ b/libs/surfaceflinger/SurfaceFlinger.cpp
@@ -37,6 +37,7 @@
 #include <utils/String16.h>
 #include <utils/StopWatch.h>
 
+#include <ui/GraphicBufferAllocator.h>
 #include <ui/PixelFormat.h>
 #include <ui/DisplayInfo.h>
 
@@ -44,8 +45,6 @@
 #include <GLES/gl.h>
 
 #include "clz.h"
-#include "Buffer.h"
-#include "BufferAllocator.h"
 #include "Layer.h"
 #include "LayerBlur.h"
 #include "LayerBuffer.h"
@@ -190,6 +189,7 @@
         mLastSwapBufferTime(0),
         mDebugInTransaction(0),
         mLastTransactionTime(0),
+        mBootFinished(false),
         mConsoleSignals(0),
         mSecureFrameBuffer(0)
 {
@@ -294,6 +294,7 @@
     const nsecs_t now = systemTime();
     const nsecs_t duration = now - mBootTime;
     LOGI("Boot is finished (%ld ms)", long(ns2ms(duration)) );  
+    mBootFinished = true;
     property_set("ctl.stop", "bootanim");
 }
 
@@ -1521,8 +1522,8 @@
             if (l != 0) {
                 SharedBufferStack::Statistics stats = l->lcblk->getStats();
                 result.append( l->lcblk->dump("      ") );
-                sp<const Buffer> buf0(l->getBuffer(0));
-                sp<const Buffer> buf1(l->getBuffer(1));
+                sp<const GraphicBuffer> buf0(l->getBuffer(0));
+                sp<const GraphicBuffer> buf1(l->getBuffer(1));
                 uint32_t w0=0, h0=0, s0=0;
                 uint32_t w1=0, h1=0, s1=0;
                 if (buf0 != 0) {
@@ -1573,7 +1574,7 @@
         }
         snprintf(buffer, SIZE, "  client count: %d\n", mClientsMap.size());
         result.append(buffer);
-        const BufferAllocator& alloc(BufferAllocator::get());
+        const GraphicBufferAllocator& alloc(GraphicBufferAllocator::get());
         alloc.dump(result);
 
         if (locked) {
diff --git a/libs/surfaceflinger/SurfaceFlinger.h b/libs/surfaceflinger/SurfaceFlinger.h
index e446070..6698e00 100644
--- a/libs/surfaceflinger/SurfaceFlinger.h
+++ b/libs/surfaceflinger/SurfaceFlinger.h
@@ -293,7 +293,7 @@
             inline void decFreezeCount() { if (mFreezeCount > 0) mFreezeCount--; }
             inline bool hasFreezeRequest() const { return mFreezeDisplay; }
             inline bool isFrozen() const { 
-                return mFreezeDisplay || mFreezeCount>0;
+                return (mFreezeDisplay || mFreezeCount>0) && mBootFinished;
             }
 
             
@@ -351,6 +351,7 @@
                 nsecs_t                     mLastSwapBufferTime;
                 volatile nsecs_t            mDebugInTransaction;
                 nsecs_t                     mLastTransactionTime;
+                bool                        mBootFinished;
 
                 // these are thread safe
     mutable     Barrier                     mReadyToRunBarrier;
diff --git a/libs/ui/Android.mk b/libs/ui/Android.mk
index 9577044..73d86ea 100644
--- a/libs/ui/Android.mk
+++ b/libs/ui/Android.mk
@@ -2,13 +2,15 @@
 include $(CLEAR_VARS)
 
 LOCAL_SRC_FILES:= \
-	BufferMapper.cpp \
 	Camera.cpp \
 	CameraParameters.cpp \
 	EGLUtils.cpp \
 	EventHub.cpp \
 	EventRecurrence.cpp \
 	FramebufferNativeWindow.cpp \
+	GraphicBuffer.cpp \
+	GraphicBufferAllocator.cpp \
+	GraphicBufferMapper.cpp \
 	KeyLayoutMap.cpp \
 	KeyCharacterMap.cpp \
 	ICamera.cpp \
@@ -25,7 +27,6 @@
 	Region.cpp \
 	SharedBufferStack.cpp \
 	Surface.cpp \
-	SurfaceBuffer.cpp \
 	SurfaceComposerClient.cpp \
 	SurfaceFlingerSynchro.cpp 
 
diff --git a/libs/ui/GraphicBuffer.cpp b/libs/ui/GraphicBuffer.cpp
new file mode 100644
index 0000000..1cf20d7
--- /dev/null
+++ b/libs/ui/GraphicBuffer.cpp
@@ -0,0 +1,213 @@
+/*
+ * 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.
+ */
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <binder/Parcel.h>
+
+#include <utils/Errors.h>
+#include <utils/Log.h>
+
+#include <ui/GraphicBuffer.h>
+#include <ui/GraphicBufferAllocator.h>
+#include <ui/GraphicBufferMapper.h>
+#include <ui/PixelFormat.h>
+
+#include <pixelflinger/pixelflinger.h>
+
+namespace android {
+
+// ===========================================================================
+// Buffer and implementation of android_native_buffer_t
+// ===========================================================================
+
+GraphicBuffer::GraphicBuffer()
+    : BASE(), mOwner(false), mBufferMapper(GraphicBufferMapper::get()),
+      mInitCheck(NO_ERROR),  mVStride(0), mIndex(-1)
+{
+    width  = 
+    height = 
+    stride = 
+    format = 
+    usage  = 0;
+    handle = NULL;
+}
+
+GraphicBuffer::GraphicBuffer(uint32_t w, uint32_t h, 
+        PixelFormat reqFormat, uint32_t reqUsage)
+    : BASE(), mOwner(false), mBufferMapper(GraphicBufferMapper::get()),
+      mInitCheck(NO_ERROR),  mVStride(0), mIndex(-1)
+{
+    width  = 
+    height = 
+    stride = 
+    format = 
+    usage  = 0;
+    handle = NULL;
+    mInitCheck = initSize(w, h, reqFormat, reqUsage);
+}
+
+GraphicBuffer::GraphicBuffer(const Parcel& data) 
+    : BASE(), mOwner(true), mBufferMapper(GraphicBufferMapper::get()),
+      mInitCheck(NO_ERROR),  mVStride(0), mIndex(-1)
+{
+    // we own the handle in this case
+    width  = data.readInt32();
+    if (width < 0) {
+        width = height = stride = format = usage = 0;
+        handle = 0;
+    } else {
+        height = data.readInt32();
+        stride = data.readInt32();
+        format = data.readInt32();
+        usage  = data.readInt32();
+        handle = data.readNativeHandle();
+    }
+}
+
+GraphicBuffer::~GraphicBuffer()
+{
+    if (handle) {
+        if (mOwner) {
+            native_handle_close(handle);
+            native_handle_delete(const_cast<native_handle*>(handle));
+        } else {
+            GraphicBufferAllocator& allocator(GraphicBufferAllocator::get());
+            allocator.free(handle);
+        }
+    }
+}
+
+status_t GraphicBuffer::initCheck() const {
+    return mInitCheck;
+}
+
+android_native_buffer_t* GraphicBuffer::getNativeBuffer() const
+{
+    return static_cast<android_native_buffer_t*>(
+            const_cast<GraphicBuffer*>(this));
+}
+
+status_t GraphicBuffer::reallocate(uint32_t w, uint32_t h, PixelFormat f,
+        uint32_t reqUsage)
+{
+    if (handle) {
+        GraphicBufferAllocator& allocator(GraphicBufferAllocator::get());
+        allocator.free(handle);
+        handle = 0;
+    }
+    return initSize(w, h, f, reqUsage);
+}
+
+status_t GraphicBuffer::initSize(uint32_t w, uint32_t h, PixelFormat format,
+        uint32_t reqUsage)
+{
+    if (format == PIXEL_FORMAT_RGBX_8888)
+        format = PIXEL_FORMAT_RGBA_8888;
+
+    GraphicBufferAllocator& allocator = GraphicBufferAllocator::get();
+    status_t err = allocator.alloc(w, h, format, reqUsage, &handle, &stride);
+    if (err == NO_ERROR) {
+        this->width  = w;
+        this->height = h;
+        this->format = format;
+        this->usage  = reqUsage;
+        mVStride = 0;
+    }
+    return err;
+}
+
+status_t GraphicBuffer::lock(uint32_t usage, void** vaddr)
+{
+    const Rect lockBounds(width, height);
+    status_t res = lock(usage, lockBounds, vaddr);
+    return res;
+}
+
+status_t GraphicBuffer::lock(uint32_t usage, const Rect& rect, void** vaddr)
+{
+    if (rect.left < 0 || rect.right  > this->width || 
+        rect.top  < 0 || rect.bottom > this->height) {
+        LOGE("locking pixels (%d,%d,%d,%d) outside of buffer (w=%d, h=%d)",
+                rect.left, rect.top, rect.right, rect.bottom, 
+                this->width, this->height);
+        return BAD_VALUE;
+    }
+    status_t res = getBufferMapper().lock(handle, usage, rect, vaddr);
+    return res;
+}
+
+status_t GraphicBuffer::unlock()
+{
+    status_t res = getBufferMapper().unlock(handle);
+    return res;
+}
+
+status_t GraphicBuffer::lock(GGLSurface* sur, uint32_t usage) 
+{
+    void* vaddr;
+    status_t res = GraphicBuffer::lock(usage, &vaddr);
+    if (res == NO_ERROR && sur) {
+        sur->version = sizeof(GGLSurface);
+        sur->width = width;
+        sur->height = height;
+        sur->stride = stride;
+        sur->format = format;
+        sur->vstride = mVStride;
+        sur->data = static_cast<GGLubyte*>(vaddr);
+    }
+    return res;
+}
+
+
+status_t GraphicBuffer::writeToParcel(Parcel* reply, 
+        android_native_buffer_t const* buffer)
+{
+    if (buffer == NULL)
+        return BAD_VALUE;
+
+    if (buffer->width < 0 || buffer->height < 0)
+        return BAD_VALUE;
+
+    status_t err = NO_ERROR;
+    if (buffer->handle == NULL) {
+        // this buffer doesn't have a handle
+        reply->writeInt32(NO_MEMORY);
+    } else {
+        reply->writeInt32(buffer->width);
+        reply->writeInt32(buffer->height);
+        reply->writeInt32(buffer->stride);
+        reply->writeInt32(buffer->format);
+        reply->writeInt32(buffer->usage);
+        err = reply->writeNativeHandle(buffer->handle);
+    }
+    return err;
+}
+
+
+void GraphicBuffer::setIndex(int index) {
+    mIndex = index;
+}
+
+int GraphicBuffer::getIndex() const {
+    return mIndex;
+}
+
+// ---------------------------------------------------------------------------
+
+}; // namespace android
diff --git a/libs/surfaceflinger/BufferAllocator.cpp b/libs/ui/GraphicBufferAllocator.cpp
similarity index 85%
rename from libs/surfaceflinger/BufferAllocator.cpp
rename to libs/ui/GraphicBufferAllocator.cpp
index 3e37bc3..10b1051 100644
--- a/libs/surfaceflinger/BufferAllocator.cpp
+++ b/libs/ui/GraphicBufferAllocator.cpp
@@ -20,18 +20,18 @@
 #include <utils/Singleton.h>
 #include <utils/String8.h>
 
-#include "BufferAllocator.h"
+#include <ui/GraphicBufferAllocator.h>
 
 
 namespace android {
 // ---------------------------------------------------------------------------
 
-ANDROID_SINGLETON_STATIC_INSTANCE( BufferAllocator )
+ANDROID_SINGLETON_STATIC_INSTANCE( GraphicBufferAllocator )
 
-Mutex BufferAllocator::sLock;
-KeyedVector<buffer_handle_t, BufferAllocator::alloc_rec_t> BufferAllocator::sAllocList;
+Mutex GraphicBufferAllocator::sLock;
+KeyedVector<buffer_handle_t, GraphicBufferAllocator::alloc_rec_t> GraphicBufferAllocator::sAllocList;
 
-BufferAllocator::BufferAllocator()
+GraphicBufferAllocator::GraphicBufferAllocator()
     : mAllocDev(0)
 {
     hw_module_t const* module;
@@ -42,12 +42,12 @@
     }
 }
 
-BufferAllocator::~BufferAllocator()
+GraphicBufferAllocator::~GraphicBufferAllocator()
 {
     gralloc_close(mAllocDev);
 }
 
-void BufferAllocator::dump(String8& result) const
+void GraphicBufferAllocator::dump(String8& result) const
 {
     Mutex::Autolock _l(sLock);
     KeyedVector<buffer_handle_t, alloc_rec_t>& list(sAllocList);
@@ -73,7 +73,7 @@
     return c>0 ? c : 1;
 }
 
-status_t BufferAllocator::alloc(uint32_t w, uint32_t h, PixelFormat format,
+status_t GraphicBufferAllocator::alloc(uint32_t w, uint32_t h, PixelFormat format,
         int usage, buffer_handle_t* handle, int32_t* stride)
 {
     Mutex::Autolock _l(mLock);
@@ -109,7 +109,7 @@
     return err;
 }
 
-status_t BufferAllocator::free(buffer_handle_t handle)
+status_t GraphicBufferAllocator::free(buffer_handle_t handle)
 {
     Mutex::Autolock _l(mLock);
 
diff --git a/libs/ui/BufferMapper.cpp b/libs/ui/GraphicBufferMapper.cpp
similarity index 82%
rename from libs/ui/BufferMapper.cpp
rename to libs/ui/GraphicBufferMapper.cpp
index 4add8f9..dd529e6 100644
--- a/libs/ui/BufferMapper.cpp
+++ b/libs/ui/GraphicBufferMapper.cpp
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#define LOG_TAG "BufferMapper"
+#define LOG_TAG "GraphicBufferMapper"
 
 #include <stdint.h>
 #include <errno.h>
@@ -22,7 +22,7 @@
 #include <utils/Errors.h>
 #include <utils/Log.h>
 
-#include <ui/BufferMapper.h>
+#include <ui/GraphicBufferMapper.h>
 #include <ui/Rect.h>
 
 #include <hardware/gralloc.h>
@@ -31,9 +31,9 @@
 namespace android {
 // ---------------------------------------------------------------------------
 
-ANDROID_SINGLETON_STATIC_INSTANCE( BufferMapper )
+ANDROID_SINGLETON_STATIC_INSTANCE( GraphicBufferMapper )
 
-BufferMapper::BufferMapper()
+GraphicBufferMapper::GraphicBufferMapper()
     : mAllocMod(0)
 {
     hw_module_t const* module;
@@ -44,7 +44,7 @@
     }
 }
 
-status_t BufferMapper::registerBuffer(buffer_handle_t handle)
+status_t GraphicBufferMapper::registerBuffer(buffer_handle_t handle)
 {
     status_t err = mAllocMod->registerBuffer(mAllocMod, handle);
     LOGW_IF(err, "registerBuffer(%p) failed %d (%s)",
@@ -52,7 +52,7 @@
     return err;
 }
 
-status_t BufferMapper::unregisterBuffer(buffer_handle_t handle)
+status_t GraphicBufferMapper::unregisterBuffer(buffer_handle_t handle)
 {
     status_t err = mAllocMod->unregisterBuffer(mAllocMod, handle);
     LOGW_IF(err, "unregisterBuffer(%p) failed %d (%s)",
@@ -60,7 +60,7 @@
     return err;
 }
 
-status_t BufferMapper::lock(buffer_handle_t handle, 
+status_t GraphicBufferMapper::lock(buffer_handle_t handle, 
         int usage, const Rect& bounds, void** vaddr)
 {
     status_t err = mAllocMod->lock(mAllocMod, handle, usage,
@@ -69,7 +69,7 @@
     return err;
 }
 
-status_t BufferMapper::unlock(buffer_handle_t handle)
+status_t GraphicBufferMapper::unlock(buffer_handle_t handle)
 {
     status_t err = mAllocMod->unlock(mAllocMod, handle);
     LOGW_IF(err, "unlock(...) failed %d (%s)", err, strerror(-err));
diff --git a/libs/ui/ISurface.cpp b/libs/ui/ISurface.cpp
index a2dbe7f..4fb38ed 100644
--- a/libs/ui/ISurface.cpp
+++ b/libs/ui/ISurface.cpp
@@ -27,7 +27,7 @@
 #include <ui/Overlay.h>
 #include <ui/Surface.h>
 
-#include <private/ui/SurfaceBuffer.h>
+#include <ui/GraphicBuffer.h>
 
 namespace android {
 
@@ -71,14 +71,14 @@
     {
     }
 
-    virtual sp<SurfaceBuffer> requestBuffer(int bufferIdx, int usage)
+    virtual sp<GraphicBuffer> requestBuffer(int bufferIdx, int usage)
     {
         Parcel data, reply;
         data.writeInterfaceToken(ISurface::getInterfaceDescriptor());
         data.writeInt32(bufferIdx);
         data.writeInt32(usage);
         remote()->transact(REQUEST_BUFFER, data, &reply);
-        sp<SurfaceBuffer> buffer = new SurfaceBuffer(reply);
+        sp<GraphicBuffer> buffer = new GraphicBuffer(reply);
         return buffer;
     }
 
@@ -139,8 +139,8 @@
             CHECK_INTERFACE(ISurface, data, reply);
             int bufferIdx = data.readInt32();
             int usage = data.readInt32();
-            sp<SurfaceBuffer> buffer(requestBuffer(bufferIdx, usage));
-            return SurfaceBuffer::writeToParcel(reply, buffer.get());
+            sp<GraphicBuffer> buffer(requestBuffer(bufferIdx, usage));
+            return GraphicBuffer::writeToParcel(reply, buffer.get());
         }
         case REGISTER_BUFFERS: {
             CHECK_INTERFACE(ISurface, data, reply);
diff --git a/libs/ui/Surface.cpp b/libs/ui/Surface.cpp
index 285edb4..7822533 100644
--- a/libs/ui/Surface.cpp
+++ b/libs/ui/Surface.cpp
@@ -31,7 +31,8 @@
 #include <utils/Log.h>
 
 #include <ui/DisplayInfo.h>
-#include <ui/BufferMapper.h>
+#include <ui/GraphicBuffer.h>
+#include <ui/GraphicBufferMapper.h>
 #include <ui/ISurface.h>
 #include <ui/Surface.h>
 #include <ui/SurfaceComposerClient.h>
@@ -41,15 +42,14 @@
 
 #include <private/ui/SharedBufferStack.h>
 #include <private/ui/LayerState.h>
-#include <private/ui/SurfaceBuffer.h>
 
 namespace android {
 
 // ----------------------------------------------------------------------
 
 static status_t copyBlt(
-        const sp<SurfaceBuffer>& dst, 
-        const sp<SurfaceBuffer>& src, 
+        const sp<GraphicBuffer>& dst, 
+        const sp<GraphicBuffer>& src, 
         const Region& reg)
 {
     status_t err;
@@ -310,7 +310,7 @@
     : mClient(surface->mClient), mSurface(surface->mSurface),
       mToken(surface->mToken), mIdentity(surface->mIdentity),
       mFormat(surface->mFormat), mFlags(surface->mFlags),
-      mBufferMapper(BufferMapper::get()), mSharedBufferClient(NULL),
+      mBufferMapper(GraphicBufferMapper::get()), mSharedBufferClient(NULL),
       mWidth(surface->mWidth), mHeight(surface->mHeight)
 {
     mSharedBufferClient = new SharedBufferClient(
@@ -320,7 +320,7 @@
 }
 
 Surface::Surface(const Parcel& parcel)
-    :  mBufferMapper(BufferMapper::get()), mSharedBufferClient(NULL)
+    :  mBufferMapper(GraphicBufferMapper::get()), mSharedBufferClient(NULL)
 {
     sp<IBinder> clientBinder = parcel.readStrongBinder();
     mSurface    = interface_cast<ISurface>(parcel.readStrongBinder());
@@ -473,11 +473,11 @@
 
 // ----------------------------------------------------------------------------
 
-status_t Surface::dequeueBuffer(sp<SurfaceBuffer>* buffer) {
+status_t Surface::dequeueBuffer(sp<GraphicBuffer>* buffer) {
     android_native_buffer_t* out;
     status_t err = dequeueBuffer(&out);
     if (err == NO_ERROR) {
-        *buffer = SurfaceBuffer::getSelf(out);
+        *buffer = GraphicBuffer::getSelf(out);
     }
     return err;
 }
@@ -500,7 +500,7 @@
 
     // below we make sure we AT LEAST have the usage flags we want
     const uint32_t usage(getUsage());
-    const sp<SurfaceBuffer>& backBuffer(mBuffers[bufIdx]);
+    const sp<GraphicBuffer>& backBuffer(mBuffers[bufIdx]);
     if (backBuffer == 0 || 
         ((uint32_t(backBuffer->usage) & usage) != usage) ||
         mSharedBufferClient->needNewBuffer(bufIdx)) 
@@ -537,7 +537,7 @@
     if (err != NO_ERROR)
         return err;
 
-    int32_t bufIdx = SurfaceBuffer::getSelf(buffer)->getIndex();
+    int32_t bufIdx = GraphicBuffer::getSelf(buffer)->getIndex();
     err = mSharedBufferClient->lock(bufIdx);
     LOGE_IF(err, "error locking buffer %d (%s)", bufIdx, strerror(-err));
     return err;
@@ -554,7 +554,7 @@
         mDirtyRegion.set(mSwapRectangle);
     }
     
-    int32_t bufIdx = SurfaceBuffer::getSelf(buffer)->getIndex();
+    int32_t bufIdx = GraphicBuffer::getSelf(buffer)->getIndex();
     mSharedBufferClient->setDirtyRegion(bufIdx, mDirtyRegion);
     err = mSharedBufferClient->queue(bufIdx);
     LOGE_IF(err, "error queuing buffer %d (%s)", bufIdx, strerror(-err));
@@ -627,7 +627,7 @@
     // we're intending to do software rendering from this point
     setUsage(GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN);
 
-    sp<SurfaceBuffer> backBuffer;
+    sp<GraphicBuffer> backBuffer;
     status_t err = dequeueBuffer(&backBuffer);
     LOGE_IF(err, "dequeueBuffer failed (%s)", strerror(-err));
     if (err == NO_ERROR) {
@@ -652,7 +652,7 @@
                 newDirtyRegion.andSelf(bounds);
             }
 
-            const sp<SurfaceBuffer>& frontBuffer(mPostedBuffer);
+            const sp<GraphicBuffer>& frontBuffer(mPostedBuffer);
             if (frontBuffer !=0 &&
                 backBuffer->width  == frontBuffer->width && 
                 backBuffer->height == frontBuffer->height &&
@@ -721,13 +721,13 @@
     status_t err = NO_MEMORY;
 
     // free the current buffer
-    sp<SurfaceBuffer>& currentBuffer(mBuffers[index]);
+    sp<GraphicBuffer>& currentBuffer(mBuffers[index]);
     if (currentBuffer != 0) {
         getBufferMapper().unregisterBuffer(currentBuffer->handle);
         currentBuffer.clear();
     }
 
-    sp<SurfaceBuffer> buffer = s->requestBuffer(index, usage);
+    sp<GraphicBuffer> buffer = s->requestBuffer(index, usage);
     LOGE_IF(buffer==0,
             "ISurface::getBuffer(%d, %08x) returned NULL",
             index, usage);
diff --git a/libs/ui/SurfaceBuffer.cpp b/libs/ui/SurfaceBuffer.cpp
deleted file mode 100644
index 0510bc1..0000000
--- a/libs/ui/SurfaceBuffer.cpp
+++ /dev/null
@@ -1,134 +0,0 @@
-/*
- * Copyright (C) 2009 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.
- */
-
-#define LOG_TAG "SurfaceBuffer"
-
-#include <stdint.h>
-#include <errno.h>
-#include <sys/types.h>
-
-#include <utils/Errors.h>
-#include <utils/Log.h>
-#include <binder/Parcel.h>
-
-#include <ui/BufferMapper.h>
-#include <ui/Rect.h>
-#include <private/ui/SurfaceBuffer.h>
-
-namespace android {
-
-// ============================================================================
-//  SurfaceBuffer
-// ============================================================================
-
-SurfaceBuffer::SurfaceBuffer() 
-    : BASE(), mOwner(false), mBufferMapper(BufferMapper::get()), mIndex(-1)
-{
-    width  = 
-    height = 
-    stride = 
-    format = 
-    usage  = 0;
-    handle = NULL;
-}
-
-SurfaceBuffer::SurfaceBuffer(const Parcel& data) 
-    : BASE(), mOwner(true), mBufferMapper(BufferMapper::get())
-{
-    // we own the handle in this case
-    width  = data.readInt32();
-    if (width < 0) {
-        width = height = stride = format = usage = 0;
-        handle = 0;
-    } else {
-        height = data.readInt32();
-        stride = data.readInt32();
-        format = data.readInt32();
-        usage  = data.readInt32();
-        handle = data.readNativeHandle();
-    }
-}
-
-SurfaceBuffer::~SurfaceBuffer()
-{
-    if (handle && mOwner) {
-        native_handle_close(handle);
-        native_handle_delete(const_cast<native_handle*>(handle));
-    }
-}
-
-status_t SurfaceBuffer::lock(uint32_t usage, void** vaddr)
-{
-    const Rect lockBounds(width, height);
-    status_t res = lock(usage, lockBounds, vaddr);
-    return res;
-}
-
-status_t SurfaceBuffer::lock(uint32_t usage, const Rect& rect, void** vaddr)
-{
-    if (rect.left < 0 || rect.right  > this->width || 
-        rect.top  < 0 || rect.bottom > this->height) {
-        LOGE("locking pixels (%d,%d,%d,%d) outside of buffer (w=%d, h=%d)",
-                rect.left, rect.top, rect.right, rect.bottom, 
-                this->width, this->height);
-        return BAD_VALUE;
-    }
-    status_t res = getBufferMapper().lock(handle, usage, rect, vaddr);
-    return res;
-}
-
-status_t SurfaceBuffer::unlock()
-{
-    status_t res = getBufferMapper().unlock(handle);
-    return res;
-}
-
-status_t SurfaceBuffer::writeToParcel(Parcel* reply, 
-        android_native_buffer_t const* buffer)
-{
-    if (buffer == NULL)
-        return BAD_VALUE;
-
-    if (buffer->width < 0 || buffer->height < 0)
-        return BAD_VALUE;
-
-    status_t err = NO_ERROR;
-    if (buffer->handle == NULL) {
-        // this buffer doesn't have a handle
-        reply->writeInt32(NO_MEMORY);
-    } else {
-        reply->writeInt32(buffer->width);
-        reply->writeInt32(buffer->height);
-        reply->writeInt32(buffer->stride);
-        reply->writeInt32(buffer->format);
-        reply->writeInt32(buffer->usage);
-        err = reply->writeNativeHandle(buffer->handle);
-    }
-    return err;
-}
-
-
-void SurfaceBuffer::setIndex(int index) {
-    mIndex = index;
-}
-
-int SurfaceBuffer::getIndex() const {
-    return mIndex;
-}
-
-
-}; // namespace android
-