7 files changed, 373 insertions, 164 deletions

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 @@ LOCAL_PATH:= $(call my-dir)
 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 @@ LOCAL_SRC_FILES:= \
 	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/ui/GraphicBufferAllocator.cpp b/libs/ui/GraphicBufferAllocator.cpp
new file mode 100644
index 0000000..10b1051
--- /dev/null
+++ b/libs/ui/GraphicBufferAllocator.cpp
@@ -0,0 +1,129 @@
+/* 
+**
+** 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 <cutils/log.h>
+
+#include <utils/Singleton.h>
+#include <utils/String8.h>
+
+#include <ui/GraphicBufferAllocator.h>
+
+
+namespace android {
+// ---------------------------------------------------------------------------
+
+ANDROID_SINGLETON_STATIC_INSTANCE( GraphicBufferAllocator )
+
+Mutex GraphicBufferAllocator::sLock;
+KeyedVector<buffer_handle_t, GraphicBufferAllocator::alloc_rec_t> GraphicBufferAllocator::sAllocList;
+
+GraphicBufferAllocator::GraphicBufferAllocator()
+    : 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);
+    }
+}
+
+GraphicBufferAllocator::~GraphicBufferAllocator()
+{
+    gralloc_close(mAllocDev);
+}
+
+void GraphicBufferAllocator::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 GraphicBufferAllocator::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 GraphicBufferAllocator::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/libs/ui/BufferMapper.cpp b/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 @@ BufferMapper::BufferMapper()
     }
 }
 
-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 @@ status_t BufferMapper::registerBuffer(buffer_handle_t handle)
     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 @@ status_t BufferMapper::unregisterBuffer(buffer_handle_t handle)
     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 @@ status_t BufferMapper::lock(buffer_handle_t handle,
     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 @@ public:
     {
     }
 
-    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 @@ status_t BnSurface::onTransact(
             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 @@ Surface::Surface(const sp<SurfaceControl>& surface)
     : 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 sp<SurfaceControl>& surface)
 }
 
 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 @@ int Surface::perform(android_native_window_t* window,
 
 // ----------------------------------------------------------------------------
 
-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 @@ int Surface::dequeueBuffer(android_native_buffer_t** buffer)
 
     // 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 @@ int Surface::lockBuffer(android_native_buffer_t* buffer)
     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 @@ int Surface::queueBuffer(android_native_buffer_t* buffer)
         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 @@ status_t Surface::lock(SurfaceInfo* other, Region* dirtyIn, bool blocking)
     // 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 @@ status_t Surface::lock(SurfaceInfo* other, Region* dirtyIn, bool blocking)
                 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 Surface::getBufferLocked(int index, int usage)
     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
-