diff --git a/opengl/tests/gralloc/Android.mk b/opengl/tests/gralloc/Android.mk
new file mode 100644
index 0000000..a86c8ec
--- /dev/null
+++ b/opengl/tests/gralloc/Android.mk
@@ -0,0 +1,18 @@
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES:= \
+    gralloc.cpp \
+    Buffer.cpp \
+    BufferAllocator.cpp
+
+LOCAL_SHARED_LIBRARIES := \
+    libcutils \
+    libutils \
+    libui
+
+LOCAL_MODULE:= test-opengl-gralloc
+
+LOCAL_MODULE_TAGS := optional
+
+include $(BUILD_EXECUTABLE)
diff --git a/opengl/tests/gralloc/Buffer.cpp b/opengl/tests/gralloc/Buffer.cpp
new file mode 100644
index 0000000..3920ff0
--- /dev/null
+++ b/opengl/tests/gralloc/Buffer.cpp
@@ -0,0 +1,111 @@
+/*
+ * 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();
+    err = allocator.alloc(w, h, format, reqUsage, &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/opengl/tests/gralloc/Buffer.h b/opengl/tests/gralloc/Buffer.h
new file mode 100644
index 0000000..8a32153
--- /dev/null
+++ b/opengl/tests/gralloc/Buffer.h
@@ -0,0 +1,90 @@
+/*
+ * 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 <hardware/gralloc.h>
+
+#include <utils/Atomic.h>
+
+#include <private/ui/SurfaceBuffer.h>
+#include <ui/PixelFormat.h>
+#include <ui/Rect.h>
+
+#include <pixelflinger/pixelflinger.h>
+
+struct android_native_buffer_t;
+
+namespace android {
+
+// ===========================================================================
+// Buffer
+// ===========================================================================
+
+class NativeBuffer;
+
+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/opengl/tests/gralloc/BufferAllocator.cpp b/opengl/tests/gralloc/BufferAllocator.cpp
new file mode 100644
index 0000000..caf9bec
--- /dev/null
+++ b/opengl/tests/gralloc/BufferAllocator.cpp
@@ -0,0 +1,131 @@
+/* 
+**
+** 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.
+*/
+
+#include <sys/mman.h>
+#include <cutils/ashmem.h>
+#include <cutils/log.h>
+
+#include <utils/Singleton.h>
+#include <utils/String8.h>
+
+#include "BufferAllocator.h"
+
+
+namespace android {
+// ---------------------------------------------------------------------------
+
+ANDROID_SINGLETON_STATIC_INSTANCE( BufferAllocator )
+
+Mutex BufferAllocator::sLock;
+KeyedVector<buffer_handle_t, BufferAllocator::alloc_rec_t> BufferAllocator::sAllocList;
+
+BufferAllocator::BufferAllocator()
+    : mAllocDev(0)
+{
+    hw_module_t const* module;
+    int err = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &module);
+    LOGE_IF(err, "FATAL: can't find the %s module", GRALLOC_HARDWARE_MODULE_ID);
+    if (err == 0) {
+        gralloc_open(module, &mAllocDev);
+    }
+}
+
+BufferAllocator::~BufferAllocator()
+{
+    gralloc_close(mAllocDev);
+}
+
+void BufferAllocator::dump(String8& result) const
+{
+    Mutex::Autolock _l(sLock);
+    KeyedVector<buffer_handle_t, alloc_rec_t>& list(sAllocList);
+    size_t total = 0;
+    const size_t SIZE = 512;
+    char buffer[SIZE];
+    snprintf(buffer, SIZE, "Allocated buffers:\n");
+    result.append(buffer);
+    const size_t c = list.size();
+    for (size_t i=0 ; i<c ; i++) {
+        const alloc_rec_t& rec(list.valueAt(i));
+        snprintf(buffer, SIZE, "%10p: %7.2f KiB | %4u x %4u | %2d | 0x%08x\n",
+            list.keyAt(i), rec.size/1024.0f, 
+            rec.w, rec.h, rec.format, rec.usage);
+        result.append(buffer);
+        total += rec.size;
+    }
+    snprintf(buffer, SIZE, "Total allocated: %.2f KB\n", total/1024.0f);
+    result.append(buffer);
+}
+
+static inline uint32_t clamp(uint32_t c) {
+    return c>0 ? c : 1;
+}
+
+status_t BufferAllocator::alloc(uint32_t w, uint32_t h, PixelFormat format,
+        int usage, buffer_handle_t* handle, int32_t* stride)
+{
+    Mutex::Autolock _l(mLock);
+
+    // make sure to not allocate a 0 x 0 buffer
+    w = clamp(w);
+    h = clamp(h);
+
+    // we have a h/w allocator and h/w buffer is requested
+    status_t err = mAllocDev->alloc(mAllocDev,
+            w, h, format, usage, handle, stride);
+
+    LOGW_IF(err, "alloc(%u, %u, %d, %08x, ...) failed %d (%s)",
+            w, h, format, usage, err, strerror(-err));
+    
+    if (err == NO_ERROR) {
+        Mutex::Autolock _l(sLock);
+        KeyedVector<buffer_handle_t, alloc_rec_t>& list(sAllocList);
+        alloc_rec_t rec;
+        rec.w = w;
+        rec.h = h;
+        rec.format = format;
+        rec.usage = usage;
+        rec.vaddr = 0;
+        rec.size = h * stride[0] * bytesPerPixel(format);
+        list.add(*handle, rec);
+    } else {
+        String8 s;
+        dump(s);
+        LOGD("%s", s.string());
+    }
+
+    return err;
+}
+
+status_t BufferAllocator::free(buffer_handle_t handle)
+{
+    Mutex::Autolock _l(mLock);
+
+    status_t err = mAllocDev->free(mAllocDev, handle);
+    LOGW_IF(err, "free(...) failed %d (%s)", err, strerror(-err));
+    
+    if (err == NO_ERROR) {
+        Mutex::Autolock _l(sLock);
+        KeyedVector<buffer_handle_t, alloc_rec_t>& list(sAllocList);
+        list.removeItem(handle);
+    }
+
+    return err;
+}
+
+// ---------------------------------------------------------------------------
+}; // namespace android
diff --git a/opengl/tests/gralloc/BufferAllocator.h b/opengl/tests/gralloc/BufferAllocator.h
new file mode 100644
index 0000000..a279ded
--- /dev/null
+++ b/opengl/tests/gralloc/BufferAllocator.h
@@ -0,0 +1,96 @@
+/* 
+**
+** 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/opengl/tests/gralloc/gralloc.cpp b/opengl/tests/gralloc/gralloc.cpp
new file mode 100644
index 0000000..d989bb2
--- /dev/null
+++ b/opengl/tests/gralloc/gralloc.cpp
@@ -0,0 +1,110 @@
+/*
+ **
+ ** 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.
+ */
+
+#define LOG_TAG "StopWatch"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <utils/StopWatch.h>
+#include <utils/Log.h>
+
+#include "Buffer.h"
+#include <ui/BufferMapper.h>
+
+using namespace android;
+
+void* lamecpy(void* d, void const* s, size_t size) {
+    char* dst = (char*)d;
+    char const* src = (char const*)s;
+    while (size) {
+        *dst++ = *src++;
+        size--;
+    }
+    return d;
+}
+
+int main(int argc, char** argv)
+{
+    size_t size = 128*256*4;
+    void* temp = malloc(size);
+    void* temp2 = malloc(size);
+    memset(temp, 0, size);
+    memset(temp2, 0, size);
+
+
+    sp<Buffer> buffer = new Buffer(128, 256, HAL_PIXEL_FORMAT_RGBA_8888,
+            GRALLOC_USAGE_SW_READ_OFTEN |
+            GRALLOC_USAGE_SW_WRITE_OFTEN);
+
+    status_t err = buffer->initCheck();
+    if (err != NO_ERROR) {
+        printf("%s\n", strerror(-err));
+        return 0;
+    }
+
+    void* vaddr;
+    buffer->SurfaceBuffer::lock(
+            GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN,
+            &vaddr);
+
+    {
+        StopWatch watch("memset");
+        for (int i=0 ; i<10 ; i++)
+            memset(vaddr, 0, size);
+    }
+
+    {
+        StopWatch watch("memcpy baseline");
+        for (int i=0 ; i<10 ; i++)
+            memcpy(temp, temp2, size);
+    }
+
+    {
+        StopWatch watch("memcpy from gralloc");
+        for (int i=0 ; i<10 ; i++)
+            memcpy(temp, vaddr, size);
+    }
+
+    {
+        StopWatch watch("memcpy into gralloc");
+        for (int i=0 ; i<10 ; i++)
+            memcpy(vaddr, temp, size);
+    }
+
+
+    {
+        StopWatch watch("lamecpy baseline");
+        for (int i=0 ; i<10 ; i++)
+            lamecpy(temp, temp2, size);
+    }
+
+    {
+        StopWatch watch("lamecpy from gralloc");
+        for (int i=0 ; i<10 ; i++)
+            lamecpy(temp, vaddr, size);
+    }
+
+    {
+        StopWatch watch("lamecpy into gralloc");
+        for (int i=0 ; i<10 ; i++)
+            lamecpy(vaddr, temp, size);
+    }
+
+    buffer->unlock();
+
+    return 0;
+}