Merge "libgui: Allow an IGBProducer to disable allocation"
diff --git a/libs/gui/BufferItem.cpp b/libs/gui/BufferItem.cpp
index 239da20..5793d40 100644
--- a/libs/gui/BufferItem.cpp
+++ b/libs/gui/BufferItem.cpp
@@ -39,52 +39,66 @@
 
 BufferItem::~BufferItem() {}
 
+template <typename T>
+static void addAligned(size_t& size, T /* value */) {
+    size = FlattenableUtils::align<sizeof(T)>(size);
+    size += sizeof(T);
+}
+
 size_t BufferItem::getPodSize() const {
-    size_t c =  sizeof(mCrop) +
-            sizeof(mTransform) +
-            sizeof(mScalingMode) +
-            sizeof(mTimestamp) +
-            sizeof(mIsAutoTimestamp) +
-            sizeof(mDataSpace) +
-            sizeof(mFrameNumber) +
-            sizeof(mSlot) +
-            sizeof(mIsDroppable) +
-            sizeof(mAcquireCalled) +
-            sizeof(mTransformToDisplayInverse);
-    return c;
+    // Must align<8> before writing these fields for this to be correct
+    size_t size = 0;
+    addAligned(size, mCrop);
+    addAligned(size, mTransform);
+    addAligned(size, mScalingMode);
+    addAligned(size, mTimestamp);
+    addAligned(size, mIsAutoTimestamp);
+    addAligned(size, mDataSpace);
+    addAligned(size, mFrameNumber);
+    addAligned(size, mSlot);
+    addAligned(size, mIsDroppable);
+    addAligned(size, mAcquireCalled);
+    addAligned(size, mTransformToDisplayInverse);
+    return size;
 }
 
 size_t BufferItem::getFlattenedSize() const {
-    size_t c = 0;
+    size_t size = sizeof(uint32_t); // Flags
     if (mGraphicBuffer != 0) {
-        c += mGraphicBuffer->getFlattenedSize();
-        FlattenableUtils::align<4>(c);
+        size += mGraphicBuffer->getFlattenedSize();
+        FlattenableUtils::align<4>(size);
     }
     if (mFence != 0) {
-        c += mFence->getFlattenedSize();
-        FlattenableUtils::align<4>(c);
+        size += mFence->getFlattenedSize();
+        FlattenableUtils::align<4>(size);
     }
-    c += mSurfaceDamage.getFlattenedSize();
-    FlattenableUtils::align<4>(c);
-    return sizeof(int32_t) + c + getPodSize();
+    size += mSurfaceDamage.getFlattenedSize();
+    size = FlattenableUtils::align<8>(size);
+    return size + getPodSize();
 }
 
 size_t BufferItem::getFdCount() const {
-    size_t c = 0;
+    size_t count = 0;
     if (mGraphicBuffer != 0) {
-        c += mGraphicBuffer->getFdCount();
+        count += mGraphicBuffer->getFdCount();
     }
     if (mFence != 0) {
-        c += mFence->getFdCount();
+        count += mFence->getFdCount();
     }
-    return c;
+    return count;
+}
+
+template <typename T>
+static void writeAligned(void*& buffer, size_t& size, T value) {
+    size -= FlattenableUtils::align<alignof(T)>(buffer);
+    FlattenableUtils::write(buffer, size, value);
 }
 
 status_t BufferItem::flatten(
         void*& buffer, size_t& size, int*& fds, size_t& count) const {
 
     // make sure we have enough space
-    if (count < BufferItem::getFlattenedSize()) {
+    if (size < BufferItem::getFlattenedSize()) {
         return NO_MEMORY;
     }
 
@@ -107,35 +121,46 @@
         size -= FlattenableUtils::align<4>(buffer);
         flags |= 2;
     }
+
     status_t err = mSurfaceDamage.flatten(buffer, size);
     if (err) return err;
-    size -= FlattenableUtils::align<4>(buffer);
+    FlattenableUtils::advance(buffer, size, mSurfaceDamage.getFlattenedSize());
 
-    // check we have enough space (in case flattening the fence/graphicbuffer lied to us)
+    // Must align<8> so that getPodSize returns the correct value
+    size -= FlattenableUtils::align<8>(buffer);
+
+    // Check we still have enough space
     if (size < getPodSize()) {
         return NO_MEMORY;
     }
 
-    FlattenableUtils::write(buffer, size, mCrop);
-    FlattenableUtils::write(buffer, size, mTransform);
-    FlattenableUtils::write(buffer, size, mScalingMode);
-    FlattenableUtils::write(buffer, size, mTimestamp);
-    FlattenableUtils::write(buffer, size, mIsAutoTimestamp);
-    FlattenableUtils::write(buffer, size, mDataSpace);
-    FlattenableUtils::write(buffer, size, mFrameNumber);
-    FlattenableUtils::write(buffer, size, mSlot);
-    FlattenableUtils::write(buffer, size, mIsDroppable);
-    FlattenableUtils::write(buffer, size, mAcquireCalled);
-    FlattenableUtils::write(buffer, size, mTransformToDisplayInverse);
+    writeAligned(buffer, size, mCrop);
+    writeAligned(buffer, size, mTransform);
+    writeAligned(buffer, size, mScalingMode);
+    writeAligned(buffer, size, mTimestamp);
+    writeAligned(buffer, size, mIsAutoTimestamp);
+    writeAligned(buffer, size, mDataSpace);
+    writeAligned(buffer, size, mFrameNumber);
+    writeAligned(buffer, size, mSlot);
+    writeAligned(buffer, size, mIsDroppable);
+    writeAligned(buffer, size, mAcquireCalled);
+    writeAligned(buffer, size, mTransformToDisplayInverse);
 
     return NO_ERROR;
 }
 
+template <typename T>
+static void readAligned(const void*& buffer, size_t& size, T& value) {
+    size -= FlattenableUtils::align<alignof(T)>(buffer);
+    FlattenableUtils::read(buffer, size, value);
+}
+
 status_t BufferItem::unflatten(
         void const*& buffer, size_t& size, int const*& fds, size_t& count) {
 
-    if (size < sizeof(uint32_t))
+    if (size < sizeof(uint32_t)) {
         return NO_MEMORY;
+    }
 
     uint32_t flags = 0;
     FlattenableUtils::read(buffer, size, flags);
@@ -153,26 +178,30 @@
         if (err) return err;
         size -= FlattenableUtils::align<4>(buffer);
     }
+
     status_t err = mSurfaceDamage.unflatten(buffer, size);
     if (err) return err;
-    size -= FlattenableUtils::align<4>(buffer);
+    FlattenableUtils::advance(buffer, size, mSurfaceDamage.getFlattenedSize());
 
-    // check we have enough space
+    // Must align<8> so that getPodSize returns the correct value
+    size -= FlattenableUtils::align<8>(buffer);
+
+    // Check we still have enough space
     if (size < getPodSize()) {
         return NO_MEMORY;
     }
 
-    FlattenableUtils::read(buffer, size, mCrop);
-    FlattenableUtils::read(buffer, size, mTransform);
-    FlattenableUtils::read(buffer, size, mScalingMode);
-    FlattenableUtils::read(buffer, size, mTimestamp);
-    FlattenableUtils::read(buffer, size, mIsAutoTimestamp);
-    FlattenableUtils::read(buffer, size, mDataSpace);
-    FlattenableUtils::read(buffer, size, mFrameNumber);
-    FlattenableUtils::read(buffer, size, mSlot);
-    FlattenableUtils::read(buffer, size, mIsDroppable);
-    FlattenableUtils::read(buffer, size, mAcquireCalled);
-    FlattenableUtils::read(buffer, size, mTransformToDisplayInverse);
+    readAligned(buffer, size, mCrop);
+    readAligned(buffer, size, mTransform);
+    readAligned(buffer, size, mScalingMode);
+    readAligned(buffer, size, mTimestamp);
+    readAligned(buffer, size, mIsAutoTimestamp);
+    readAligned(buffer, size, mDataSpace);
+    readAligned(buffer, size, mFrameNumber);
+    readAligned(buffer, size, mSlot);
+    readAligned(buffer, size, mIsDroppable);
+    readAligned(buffer, size, mAcquireCalled);
+    readAligned(buffer, size, mTransformToDisplayInverse);
 
     return NO_ERROR;
 }
diff --git a/libs/gui/tests/Android.mk b/libs/gui/tests/Android.mk
index 128a32a..6ad9986 100644
--- a/libs/gui/tests/Android.mk
+++ b/libs/gui/tests/Android.mk
@@ -3,6 +3,8 @@
 include $(CLEAR_VARS)
 LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
 
+LOCAL_CLANG := true
+
 LOCAL_MODULE := libgui_test
 
 LOCAL_MODULE_TAGS := tests
diff --git a/libs/gui/tests/BufferQueue_test.cpp b/libs/gui/tests/BufferQueue_test.cpp
index 112dcb9..1584fef 100644
--- a/libs/gui/tests/BufferQueue_test.cpp
+++ b/libs/gui/tests/BufferQueue_test.cpp
@@ -73,6 +73,8 @@
     virtual void onSidebandStreamChanged() {}
 };
 
+static const uint32_t TEST_DATA = 0x12345678u;
+
 // XXX: Tests that fork a process to hold the BufferQueue must run before tests
 // that use a local BufferQueue, or else Binder will get unhappy
 TEST_F(BufferQueueTest, BufferQueueInAnotherProcess) {
@@ -122,7 +124,7 @@
     uint32_t* dataIn;
     ASSERT_EQ(OK, buffer->lock(GraphicBuffer::USAGE_SW_WRITE_OFTEN,
             reinterpret_cast<void**>(&dataIn)));
-    *dataIn = 0x12345678;
+    *dataIn = TEST_DATA;
     ASSERT_EQ(OK, buffer->unlock());
 
     IGraphicBufferProducer::QueueBufferInput input(0, false,
@@ -136,7 +138,7 @@
     uint32_t* dataOut;
     ASSERT_EQ(OK, item.mGraphicBuffer->lock(GraphicBuffer::USAGE_SW_READ_OFTEN,
             reinterpret_cast<void**>(&dataOut)));
-    ASSERT_EQ(*dataOut, 0x12345678);
+    ASSERT_EQ(*dataOut, TEST_DATA);
     ASSERT_EQ(OK, item.mGraphicBuffer->unlock());
 }
 
@@ -239,7 +241,7 @@
     uint32_t* dataIn;
     ASSERT_EQ(OK, buffer->lock(GraphicBuffer::USAGE_SW_WRITE_OFTEN,
             reinterpret_cast<void**>(&dataIn)));
-    *dataIn = 0x12345678;
+    *dataIn = TEST_DATA;
     ASSERT_EQ(OK, buffer->unlock());
 
     int newSlot;
@@ -258,7 +260,7 @@
     uint32_t* dataOut;
     ASSERT_EQ(OK, item.mGraphicBuffer->lock(GraphicBuffer::USAGE_SW_READ_OFTEN,
             reinterpret_cast<void**>(&dataOut)));
-    ASSERT_EQ(*dataOut, 0x12345678);
+    ASSERT_EQ(*dataOut, TEST_DATA);
     ASSERT_EQ(OK, item.mGraphicBuffer->unlock());
 }
 
@@ -297,7 +299,7 @@
     ASSERT_EQ(OK, item.mGraphicBuffer->lock(
             GraphicBuffer::USAGE_SW_WRITE_OFTEN,
             reinterpret_cast<void**>(&dataIn)));
-    *dataIn = 0x12345678;
+    *dataIn = TEST_DATA;
     ASSERT_EQ(OK, item.mGraphicBuffer->unlock());
 
     int newSlot;
@@ -317,7 +319,7 @@
     uint32_t* dataOut;
     ASSERT_EQ(OK, buffer->lock(GraphicBuffer::USAGE_SW_READ_OFTEN,
             reinterpret_cast<void**>(&dataOut)));
-    ASSERT_EQ(*dataOut, 0x12345678);
+    ASSERT_EQ(*dataOut, TEST_DATA);
     ASSERT_EQ(OK, buffer->unlock());
 }
 
@@ -340,7 +342,7 @@
     uint32_t* dataIn;
     ASSERT_EQ(OK, buffer->lock(GraphicBuffer::USAGE_SW_WRITE_OFTEN,
             reinterpret_cast<void**>(&dataIn)));
-    *dataIn = 0x12345678;
+    *dataIn = TEST_DATA;
     ASSERT_EQ(OK, buffer->unlock());
 
     IGraphicBufferProducer::QueueBufferInput input(0, false,
@@ -360,7 +362,7 @@
     uint32_t* dataOut;
     ASSERT_EQ(OK, item.mGraphicBuffer->lock(GraphicBuffer::USAGE_SW_READ_OFTEN,
             reinterpret_cast<void**>(&dataOut)));
-    ASSERT_EQ(*dataOut, 0x12345678);
+    ASSERT_EQ(*dataOut, TEST_DATA);
     ASSERT_EQ(OK, item.mGraphicBuffer->unlock());
 }
 
diff --git a/libs/gui/tests/CpuConsumer_test.cpp b/libs/gui/tests/CpuConsumer_test.cpp
index 0beca92..2dc9ccc 100644
--- a/libs/gui/tests/CpuConsumer_test.cpp
+++ b/libs/gui/tests/CpuConsumer_test.cpp
@@ -94,7 +94,7 @@
             mPendingFrames--;
         }
 
-        virtual void onFrameAvailable() {
+        virtual void onFrameAvailable(const BufferItem&) {
             Mutex::Autolock lock(mMutex);
             mPendingFrames++;
             mCondition.signal();
@@ -125,7 +125,7 @@
             mPendingFrames--;
         }
 
-        virtual void onFrameAvailable() {
+        virtual void onFrameAvailable(const BufferItem&) {
             Mutex::Autolock lock(mMutex);
             mPendingFrames++;
             mFrameCondition.signal();
@@ -457,9 +457,12 @@
         const CpuConsumerTestParams& params,
         int maxBufferSlack) {
     status_t err;
-    err = native_window_set_buffers_geometry(anw.get(),
-            params.width, params.height, params.format);
-    ASSERT_NO_ERROR(err, "set_buffers_geometry error: ");
+    err = native_window_set_buffers_dimensions(anw.get(),
+            params.width, params.height);
+    ASSERT_NO_ERROR(err, "set_buffers_dimensions error: ");
+
+    err = native_window_set_buffers_format(anw.get(), params.format);
+    ASSERT_NO_ERROR(err, "set_buffers_format error: ");
 
     err = native_window_set_usage(anw.get(),
             GRALLOC_USAGE_SW_WRITE_OFTEN);
diff --git a/libs/gui/tests/IGraphicBufferProducer_test.cpp b/libs/gui/tests/IGraphicBufferProducer_test.cpp
index c904a6b..ff58420 100644
--- a/libs/gui/tests/IGraphicBufferProducer_test.cpp
+++ b/libs/gui/tests/IGraphicBufferProducer_test.cpp
@@ -38,31 +38,31 @@
 #define TEST_CONTROLLED_BY_APP false
 #define TEST_PRODUCER_USAGE_BITS (0)
 
-// TODO: Make these public constants in a header
-enum {
-    // Default dimensions before setDefaultBufferSize is called
-    DEFAULT_WIDTH = 1,
-    DEFAULT_HEIGHT = 1,
-
-    // Default format before setDefaultBufferFormat is called
-    DEFAULT_FORMAT = HAL_PIXEL_FORMAT_RGBA_8888,
-
-    // Default transform hint before setTransformHint is called
-    DEFAULT_TRANSFORM_HINT = 0,
-};
-
 namespace android {
 
 namespace {
-// Parameters for a generic "valid" input for queueBuffer.
-const int64_t QUEUE_BUFFER_INPUT_TIMESTAMP = 1384888611;
-const bool QUEUE_BUFFER_INPUT_IS_AUTO_TIMESTAMP = false;
-const android_dataspace QUEUE_BUFFER_INPUT_DATASPACE = HAL_DATASPACE_UNKNOWN;
-const Rect QUEUE_BUFFER_INPUT_RECT = Rect(DEFAULT_WIDTH, DEFAULT_HEIGHT);
-const int QUEUE_BUFFER_INPUT_SCALING_MODE = 0;
-const int QUEUE_BUFFER_INPUT_TRANSFORM = 0;
-const bool QUEUE_BUFFER_INPUT_ASYNC = false;
-const sp<Fence> QUEUE_BUFFER_INPUT_FENCE = Fence::NO_FENCE;
+    // Default dimensions before setDefaultBufferSize is called
+    const uint32_t DEFAULT_WIDTH = 1;
+    const uint32_t DEFAULT_HEIGHT = 1;
+
+    // Default format before setDefaultBufferFormat is called
+    const PixelFormat DEFAULT_FORMAT = HAL_PIXEL_FORMAT_RGBA_8888;
+
+    // Default transform hint before setTransformHint is called
+    const uint32_t DEFAULT_TRANSFORM_HINT = 0;
+
+    // TODO: Make these constants in header
+    const int DEFAULT_CONSUMER_USAGE_BITS = 0;
+
+    // Parameters for a generic "valid" input for queueBuffer.
+    const int64_t QUEUE_BUFFER_INPUT_TIMESTAMP = 1384888611;
+    const bool QUEUE_BUFFER_INPUT_IS_AUTO_TIMESTAMP = false;
+    const android_dataspace QUEUE_BUFFER_INPUT_DATASPACE = HAL_DATASPACE_UNKNOWN;
+    const Rect QUEUE_BUFFER_INPUT_RECT = Rect(DEFAULT_WIDTH, DEFAULT_HEIGHT);
+    const int QUEUE_BUFFER_INPUT_SCALING_MODE = 0;
+    const int QUEUE_BUFFER_INPUT_TRANSFORM = 0;
+    const bool QUEUE_BUFFER_INPUT_ASYNC = false;
+    const sp<Fence> QUEUE_BUFFER_INPUT_FENCE = Fence::NO_FENCE;
 }; // namespace anonymous
 
 struct DummyConsumer : public BnConsumerListener {
@@ -273,15 +273,12 @@
 TEST_F(IGraphicBufferProducerTest, Query_Succeeds) {
     ASSERT_NO_FATAL_FAILURE(ConnectProducer());
 
-    // TODO: Make these constants in header
-    const int DEFAULT_CONSUMER_USAGE_BITS = 0;
-
-    int value = -1;
+    int32_t value = -1;
     EXPECT_OK(mProducer->query(NATIVE_WINDOW_WIDTH, &value));
-    EXPECT_EQ(DEFAULT_WIDTH, value);
+    EXPECT_EQ(DEFAULT_WIDTH, static_cast<uint32_t>(value));
 
     EXPECT_OK(mProducer->query(NATIVE_WINDOW_HEIGHT, &value));
-    EXPECT_EQ(DEFAULT_HEIGHT, value);
+    EXPECT_EQ(DEFAULT_HEIGHT, static_cast<uint32_t>(value));
 
     EXPECT_OK(mProducer->query(NATIVE_WINDOW_FORMAT, &value));
     EXPECT_EQ(DEFAULT_FORMAT, value);
@@ -302,7 +299,7 @@
     ASSERT_NO_FATAL_FAILURE(ConnectProducer());
 
     // One past the end of the last 'query' enum value. Update this if we add more enums.
-    const int NATIVE_WINDOW_QUERY_LAST_OFF_BY_ONE = NATIVE_WINDOW_CONSUMER_USAGE_BITS + 1;
+    const int NATIVE_WINDOW_QUERY_LAST_OFF_BY_ONE = NATIVE_WINDOW_DEFAULT_DATASPACE + 1;
 
     int value;
     // What was out of range
@@ -369,7 +366,7 @@
         EXPECT_EQ(DEFAULT_WIDTH, width);
         EXPECT_EQ(DEFAULT_HEIGHT, height);
         EXPECT_EQ(DEFAULT_TRANSFORM_HINT, transformHint);
-        EXPECT_EQ(1, numPendingBuffers); // since queueBuffer was called exactly once
+        EXPECT_EQ(1u, numPendingBuffers); // since queueBuffer was called exactly once
     }
 
     // Buffer was not in the dequeued state
diff --git a/libs/gui/tests/SRGB_test.cpp b/libs/gui/tests/SRGB_test.cpp
index e5907e7..3b11b97 100644
--- a/libs/gui/tests/SRGB_test.cpp
+++ b/libs/gui/tests/SRGB_test.cpp
@@ -17,6 +17,10 @@
 #define LOG_TAG "SRGB_test"
 //#define LOG_NDEBUG 0
 
+// Ignore for this file because it flags every instance of
+// ASSERT_EQ(GL_NO_ERROR, glGetError());
+#pragma clang diagnostic ignored "-Wsign-compare"
+
 #include "GLTest.h"
 
 #include <math.h>
@@ -329,9 +333,9 @@
         ANativeWindow_Buffer outBuffer;
         ARect outBufferBounds;
         mOutputSurface->lock(&outBuffer, &outBufferBounds);
-        ASSERT_EQ(mLockedBuffer.width, outBuffer.width);
-        ASSERT_EQ(mLockedBuffer.height, outBuffer.height);
-        ASSERT_EQ(mLockedBuffer.stride, outBuffer.stride);
+        ASSERT_EQ(mLockedBuffer.width, static_cast<uint32_t>(outBuffer.width));
+        ASSERT_EQ(mLockedBuffer.height, static_cast<uint32_t>(outBuffer.height));
+        ASSERT_EQ(mLockedBuffer.stride, static_cast<uint32_t>(outBuffer.stride));
 
         if (mLockedBuffer.format == outBuffer.format) {
             memcpy(outBuffer.bits, mLockedBuffer.data, bufferSize);
@@ -401,7 +405,8 @@
     // the debug surface if necessary
 }
 
-TEST_F(SRGBTest, RenderToSRGBSurface) {
+// XXX: Disabled since we don't currently expect this to work
+TEST_F(SRGBTest, DISABLED_RenderToSRGBSurface) {
     ASSERT_NO_FATAL_FAILURE(initShaders());
 
     // By default, the first buffer we write into will be RGB
diff --git a/libs/gui/tests/StreamSplitter_test.cpp b/libs/gui/tests/StreamSplitter_test.cpp
index 767c7c6..00cc39d 100644
--- a/libs/gui/tests/StreamSplitter_test.cpp
+++ b/libs/gui/tests/StreamSplitter_test.cpp
@@ -76,6 +76,8 @@
     int mAllocCount;
 };
 
+static const uint32_t TEST_DATA = 0x12345678u;
+
 TEST_F(StreamSplitterTest, OneInputOneOutput) {
     sp<CountedAllocator> allocator(new CountedAllocator);
 
@@ -108,7 +110,7 @@
     uint32_t* dataIn;
     ASSERT_EQ(OK, buffer->lock(GraphicBuffer::USAGE_SW_WRITE_OFTEN,
             reinterpret_cast<void**>(&dataIn)));
-    *dataIn = 0x12345678;
+    *dataIn = TEST_DATA;
     ASSERT_EQ(OK, buffer->unlock());
 
     IGraphicBufferProducer::QueueBufferInput qbInput(0, false,
@@ -123,7 +125,7 @@
     uint32_t* dataOut;
     ASSERT_EQ(OK, item.mGraphicBuffer->lock(GraphicBuffer::USAGE_SW_READ_OFTEN,
             reinterpret_cast<void**>(&dataOut)));
-    ASSERT_EQ(*dataOut, 0x12345678);
+    ASSERT_EQ(*dataOut, TEST_DATA);
     ASSERT_EQ(OK, item.mGraphicBuffer->unlock());
 
     ASSERT_EQ(OK, outputConsumer->releaseBuffer(item.mBuf, item.mFrameNumber,
@@ -175,7 +177,7 @@
     uint32_t* dataIn;
     ASSERT_EQ(OK, buffer->lock(GraphicBuffer::USAGE_SW_WRITE_OFTEN,
             reinterpret_cast<void**>(&dataIn)));
-    *dataIn = 0x12345678;
+    *dataIn = TEST_DATA;
     ASSERT_EQ(OK, buffer->unlock());
 
     IGraphicBufferProducer::QueueBufferInput qbInput(0, false,
@@ -191,7 +193,7 @@
         uint32_t* dataOut;
         ASSERT_EQ(OK, item.mGraphicBuffer->lock(GraphicBuffer::USAGE_SW_READ_OFTEN,
                     reinterpret_cast<void**>(&dataOut)));
-        ASSERT_EQ(*dataOut, 0x12345678);
+        ASSERT_EQ(*dataOut, TEST_DATA);
         ASSERT_EQ(OK, item.mGraphicBuffer->unlock());
 
         ASSERT_EQ(OK, outputConsumers[output]->releaseBuffer(item.mBuf,
diff --git a/libs/gui/tests/SurfaceTextureClient_test.cpp b/libs/gui/tests/SurfaceTextureClient_test.cpp
index 8cdf3bc..d750cd0 100644
--- a/libs/gui/tests/SurfaceTextureClient_test.cpp
+++ b/libs/gui/tests/SurfaceTextureClient_test.cpp
@@ -207,12 +207,8 @@
 }
 
 TEST_F(SurfaceTextureClientTest, BufferGeometryInvalidSizesFail) {
-    EXPECT_GT(OK, native_window_set_buffers_geometry(mANW.get(), -1,  0,  0));
-    EXPECT_GT(OK, native_window_set_buffers_geometry(mANW.get(),  0, -1,  0));
-    EXPECT_GT(OK, native_window_set_buffers_geometry(mANW.get(),  0,  0, -1));
-    EXPECT_GT(OK, native_window_set_buffers_geometry(mANW.get(), -1, -1,  0));
-    EXPECT_GT(OK, native_window_set_buffers_geometry(mANW.get(),  0,  8,  0));
-    EXPECT_GT(OK, native_window_set_buffers_geometry(mANW.get(),  8,  0,  0));
+    EXPECT_GT(OK, native_window_set_buffers_dimensions(mANW.get(),  0,  8));
+    EXPECT_GT(OK, native_window_set_buffers_dimensions(mANW.get(),  8,  0));
 }
 
 TEST_F(SurfaceTextureClientTest, DefaultGeometryValues) {
@@ -226,7 +222,8 @@
 
 TEST_F(SurfaceTextureClientTest, BufferGeometryCanBeSet) {
     ANativeWindowBuffer* buf;
-    EXPECT_EQ(OK, native_window_set_buffers_geometry(mANW.get(), 16, 8, PIXEL_FORMAT_RGB_565));
+    EXPECT_EQ(OK, native_window_set_buffers_dimensions(mANW.get(), 16, 8));
+    EXPECT_EQ(OK, native_window_set_buffers_format(mANW.get(), PIXEL_FORMAT_RGB_565));
     ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf));
     EXPECT_EQ(16, buf->width);
     EXPECT_EQ(8, buf->height);
@@ -236,7 +233,8 @@
 
 TEST_F(SurfaceTextureClientTest, BufferGeometryDefaultSizeSetFormat) {
     ANativeWindowBuffer* buf;
-    EXPECT_EQ(OK, native_window_set_buffers_geometry(mANW.get(), 0, 0, PIXEL_FORMAT_RGB_565));
+    EXPECT_EQ(OK, native_window_set_buffers_dimensions(mANW.get(), 0, 0));
+    EXPECT_EQ(OK, native_window_set_buffers_format(mANW.get(), PIXEL_FORMAT_RGB_565));
     ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf));
     EXPECT_EQ(1, buf->width);
     EXPECT_EQ(1, buf->height);
@@ -246,7 +244,8 @@
 
 TEST_F(SurfaceTextureClientTest, BufferGeometrySetSizeDefaultFormat) {
     ANativeWindowBuffer* buf;
-    EXPECT_EQ(OK, native_window_set_buffers_geometry(mANW.get(), 16, 8, 0));
+    EXPECT_EQ(OK, native_window_set_buffers_dimensions(mANW.get(), 16, 8));
+    EXPECT_EQ(OK, native_window_set_buffers_format(mANW.get(), 0));
     ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf));
     EXPECT_EQ(16, buf->width);
     EXPECT_EQ(8, buf->height);
@@ -256,13 +255,15 @@
 
 TEST_F(SurfaceTextureClientTest, BufferGeometrySizeCanBeUnset) {
     ANativeWindowBuffer* buf;
-    EXPECT_EQ(OK, native_window_set_buffers_geometry(mANW.get(), 16, 8, 0));
+    EXPECT_EQ(OK, native_window_set_buffers_dimensions(mANW.get(), 16, 8));
+    EXPECT_EQ(OK, native_window_set_buffers_format(mANW.get(), 0));
     ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf));
     EXPECT_EQ(16, buf->width);
     EXPECT_EQ(8, buf->height);
     EXPECT_EQ(PIXEL_FORMAT_RGBA_8888, buf->format);
     ASSERT_EQ(OK, mANW->cancelBuffer(mANW.get(), buf, -1));
-    EXPECT_EQ(OK, native_window_set_buffers_geometry(mANW.get(), 0, 0, 0));
+    EXPECT_EQ(OK, native_window_set_buffers_dimensions(mANW.get(), 0, 0));
+    EXPECT_EQ(OK, native_window_set_buffers_format(mANW.get(), 0));
     ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf));
     EXPECT_EQ(1, buf->width);
     EXPECT_EQ(1, buf->height);
@@ -272,7 +273,8 @@
 
 TEST_F(SurfaceTextureClientTest, BufferGeometrySizeCanBeChangedWithoutFormat) {
     ANativeWindowBuffer* buf;
-    EXPECT_EQ(OK, native_window_set_buffers_geometry(mANW.get(), 0, 0, PIXEL_FORMAT_RGB_565));
+    EXPECT_EQ(OK, native_window_set_buffers_dimensions(mANW.get(), 0, 0));
+    EXPECT_EQ(OK, native_window_set_buffers_format(mANW.get(), PIXEL_FORMAT_RGB_565));
     ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf));
     EXPECT_EQ(1, buf->width);
     EXPECT_EQ(1, buf->height);
@@ -330,7 +332,8 @@
     EXPECT_EQ(8, buf[1]->height);
     ASSERT_EQ(OK, mANW->cancelBuffer(mANW.get(), buf[0], -1));
     ASSERT_EQ(OK, mANW->cancelBuffer(mANW.get(), buf[1], -1));
-    EXPECT_EQ(OK, native_window_set_buffers_geometry(mANW.get(), 12, 24, 0));
+    EXPECT_EQ(OK, native_window_set_buffers_dimensions(mANW.get(), 12, 24));
+    EXPECT_EQ(OK, native_window_set_buffers_format(mANW.get(), 0));
     ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf[0]));
     ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf[1]));
     EXPECT_NE(buf[0], buf[1]);
@@ -468,7 +471,8 @@
 
     // Once we've queued a buffer, however we should not be able to dequeue more
     // than (buffer-count - MIN_UNDEQUEUED_BUFFERS), which is 2 in this case.
-    EXPECT_EQ(-EBUSY, native_window_dequeue_buffer_and_wait(mANW.get(), &buf[1]));
+    EXPECT_EQ(INVALID_OPERATION,
+            native_window_dequeue_buffer_and_wait(mANW.get(), &buf[1]));
 
     ASSERT_EQ(OK, mANW->cancelBuffer(mANW.get(), buf[0], -1));
     ASSERT_EQ(OK, mANW->cancelBuffer(mANW.get(), buf[2], -1));
@@ -620,7 +624,8 @@
     crop.bottom = 5;
 
     ASSERT_EQ(OK, native_window_set_buffer_count(mANW.get(), 4));
-    ASSERT_EQ(OK, native_window_set_buffers_geometry(mANW.get(), 8, 8, 0));
+    ASSERT_EQ(OK, native_window_set_buffers_dimensions(mANW.get(), 8, 8));
+    ASSERT_EQ(OK, native_window_set_buffers_format(mANW.get(), 0));
     ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf[0]));
     ASSERT_EQ(OK, native_window_set_crop(mANW.get(), &crop));
     ASSERT_EQ(OK, mANW->queueBuffer(mANW.get(), buf[0], -1));
@@ -668,7 +673,8 @@
     const int numFmts = (sizeof(fmts) / sizeof(fmts[0]));
     for (int i = 0; i < numFmts; i++) {
       int fmt = -1;
-      ASSERT_EQ(OK, native_window_set_buffers_geometry(anw.get(), 0, 0, fmts[i]));
+      ASSERT_EQ(OK, native_window_set_buffers_dimensions(anw.get(), 0, 0));
+      ASSERT_EQ(OK, native_window_set_buffers_format(anw.get(), fmts[i]));
       ASSERT_EQ(OK, anw->query(anw.get(), NATIVE_WINDOW_FORMAT, &fmt));
       EXPECT_EQ(fmts[i], fmt);
     }
diff --git a/libs/gui/tests/SurfaceTextureFBO_test.cpp b/libs/gui/tests/SurfaceTextureFBO_test.cpp
index b165ae6..c243fc0 100644
--- a/libs/gui/tests/SurfaceTextureFBO_test.cpp
+++ b/libs/gui/tests/SurfaceTextureFBO_test.cpp
@@ -27,8 +27,10 @@
     const int texWidth = 64;
     const int texHeight = 64;
 
-    ASSERT_EQ(NO_ERROR, native_window_set_buffers_geometry(mANW.get(),
-            texWidth, texHeight, HAL_PIXEL_FORMAT_RGBA_8888));
+    ASSERT_EQ(NO_ERROR, native_window_set_buffers_dimensions(mANW.get(),
+            texWidth, texHeight));
+    ASSERT_EQ(NO_ERROR, native_window_set_buffers_format(mANW.get(),
+            HAL_PIXEL_FORMAT_RGBA_8888));
     ASSERT_EQ(NO_ERROR, native_window_set_usage(mANW.get(),
             GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN));
 
diff --git a/libs/gui/tests/SurfaceTextureGL_test.cpp b/libs/gui/tests/SurfaceTextureGL_test.cpp
index fa1e1b7..fad133f 100644
--- a/libs/gui/tests/SurfaceTextureGL_test.cpp
+++ b/libs/gui/tests/SurfaceTextureGL_test.cpp
@@ -28,8 +28,10 @@
     const int texWidth = 64;
     const int texHeight = 66;
 
-    ASSERT_EQ(NO_ERROR, native_window_set_buffers_geometry(mANW.get(),
-            texWidth, texHeight, HAL_PIXEL_FORMAT_YV12));
+    ASSERT_EQ(NO_ERROR, native_window_set_buffers_dimensions(mANW.get(),
+            texWidth, texHeight));
+    ASSERT_EQ(NO_ERROR, native_window_set_buffers_format(mANW.get(),
+            HAL_PIXEL_FORMAT_YV12));
     ASSERT_EQ(NO_ERROR, native_window_set_usage(mANW.get(),
             GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN));
 
@@ -74,8 +76,10 @@
     const int texWidth = 64;
     const int texHeight = 64;
 
-    ASSERT_EQ(NO_ERROR, native_window_set_buffers_geometry(mANW.get(),
-            texWidth, texHeight, HAL_PIXEL_FORMAT_YV12));
+    ASSERT_EQ(NO_ERROR, native_window_set_buffers_dimensions(mANW.get(),
+            texWidth, texHeight));
+    ASSERT_EQ(NO_ERROR, native_window_set_buffers_format(mANW.get(),
+            HAL_PIXEL_FORMAT_YV12));
     ASSERT_EQ(NO_ERROR, native_window_set_usage(mANW.get(),
             GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN));
 
@@ -120,8 +124,10 @@
     const int texWidth = 64;
     const int texHeight = 66;
 
-    ASSERT_EQ(NO_ERROR, native_window_set_buffers_geometry(mANW.get(),
-            texWidth, texHeight, HAL_PIXEL_FORMAT_YV12));
+    ASSERT_EQ(NO_ERROR, native_window_set_buffers_dimensions(mANW.get(),
+            texWidth, texHeight));
+    ASSERT_EQ(NO_ERROR, native_window_set_buffers_format(mANW.get(),
+            HAL_PIXEL_FORMAT_YV12));
     ASSERT_EQ(NO_ERROR, native_window_set_usage(mANW.get(),
             GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN));
 
@@ -185,8 +191,10 @@
     enum { numFrames = 1024 };
 
     ASSERT_EQ(NO_ERROR, mST->setDefaultMaxBufferCount(2));
-    ASSERT_EQ(NO_ERROR, native_window_set_buffers_geometry(mANW.get(),
-            texWidth, texHeight, HAL_PIXEL_FORMAT_YV12));
+    ASSERT_EQ(NO_ERROR, native_window_set_buffers_dimensions(mANW.get(),
+            texWidth, texHeight));
+    ASSERT_EQ(NO_ERROR, native_window_set_buffers_format(mANW.get(),
+            HAL_PIXEL_FORMAT_YV12));
     ASSERT_EQ(NO_ERROR, native_window_set_usage(mANW.get(),
             GRALLOC_USAGE_SW_WRITE_OFTEN));
 
@@ -326,8 +334,10 @@
     const int texWidth = 64;
     const int texHeight = 66;
 
-    ASSERT_EQ(NO_ERROR, native_window_set_buffers_geometry(mANW.get(),
-            texWidth, texHeight, HAL_PIXEL_FORMAT_RGBA_8888));
+    ASSERT_EQ(NO_ERROR, native_window_set_buffers_dimensions(mANW.get(),
+            texWidth, texHeight));
+    ASSERT_EQ(NO_ERROR, native_window_set_buffers_format(mANW.get(),
+            HAL_PIXEL_FORMAT_RGBA_8888));
     ASSERT_EQ(NO_ERROR, native_window_set_usage(mANW.get(),
             GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN));
 
@@ -368,8 +378,10 @@
     const int texWidth = 64;
     const int texHeight = 64;
 
-    ASSERT_EQ(NO_ERROR, native_window_set_buffers_geometry(mANW.get(),
-            texWidth, texHeight, HAL_PIXEL_FORMAT_RGBA_8888));
+    ASSERT_EQ(NO_ERROR, native_window_set_buffers_dimensions(mANW.get(),
+            texWidth, texHeight));
+    ASSERT_EQ(NO_ERROR, native_window_set_buffers_format(mANW.get(),
+            HAL_PIXEL_FORMAT_RGBA_8888));
     ASSERT_EQ(NO_ERROR, native_window_set_usage(mANW.get(),
             GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN));
 
diff --git a/libs/ui/GraphicBuffer.cpp b/libs/ui/GraphicBuffer.cpp
index d51d514..6a42a22 100644
--- a/libs/ui/GraphicBuffer.cpp
+++ b/libs/ui/GraphicBuffer.cpp
@@ -313,7 +313,7 @@
                 static_cast<size_t>(handle->numInts) * sizeof(int));
     }
 
-    buffer = reinterpret_cast<void*>(static_cast<int*>(buffer) + sizeNeeded);
+    buffer = static_cast<void*>(static_cast<uint8_t*>(buffer) + sizeNeeded);
     size -= sizeNeeded;
     if (handle) {
         fds += handle->numFds;
@@ -395,7 +395,7 @@
         }
     }
 
-    buffer = reinterpret_cast<void const*>(static_cast<int const*>(buffer) + sizeNeeded);
+    buffer = static_cast<void const*>(static_cast<uint8_t const*>(buffer) + sizeNeeded);
     size -= sizeNeeded;
     fds += numFds;
     count -= numFds;