~CursorWindow();
- static status_t create(const String8& name, size_t size, bool localOnly,
- CursorWindow** outCursorWindow);
+ static status_t create(const String8& name, size_t size, CursorWindow** outCursorWindow);
static status_t createFromParcel(Parcel* parcel, CursorWindow** outCursorWindow);
status_t writeToParcel(Parcel* parcel);
eOrientationUnchanged = 4,
eOrientationSwapMask = 0x01
};
-
+
+ enum {
+ eSynchronous = 0x01,
+ };
+
enum {
eElectronBeamAnimationOn = 0x01,
eElectronBeamAnimationOff = 0x10
/* open/close transactions. requires ACCESS_SURFACE_FLINGER permission */
virtual void setTransactionState(const Vector<ComposerState>& state,
- int orientation) = 0;
+ int orientation, uint32_t flags) = 0;
/* signal that we're done booting.
* Requires ACCESS_SURFACE_FLINGER permission
GET_CBLK,
SET_TRANSACTION_STATE,
SET_ORIENTATION,
- FREEZE_DISPLAY,
- UNFREEZE_DISPLAY,
CAPTURE_SCREEN,
TURN_ELECTRON_BEAM_OFF,
TURN_ELECTRON_BEAM_ON,
static void openGlobalTransaction();
//! Close a composer transaction on all active SurfaceComposerClients.
- static void closeGlobalTransaction();
+ static void closeGlobalTransaction(bool synchronous = false);
//! Freeze the specified display but not transactions.
static status_t freezeDisplay(DisplayID dpy, uint32_t flags = 0);
#include <stddef.h>
+#include <utils/Flattenable.h>
#include <utils/RefBase.h>
#include <utils/SortedVector.h>
#include <utils/threads.h>
namespace android {
-// A BlobCache is an in-memory cache for binary key/value pairs. All the public
-// methods are thread-safe.
+// A BlobCache is an in-memory cache for binary key/value pairs. A BlobCache
+// does NOT provide any thread-safety guarantees.
//
-// The cache contents can be serialized to a file and reloaded in a subsequent
-// execution of the program. This serialization is non-portable and should only
-// be loaded by the device that generated it.
-class BlobCache : public RefBase {
+// The cache contents can be serialized to an in-memory buffer or mmap'd file
+// and then reloaded in a subsequent execution of the program. This
+// serialization is non-portable and the data should only be used by the device
+// that generated it.
+class BlobCache : public RefBase, public Flattenable {
public:
// Create an empty blob cache. The blob cache will cache key/value pairs
void set(const void* key, size_t keySize, const void* value,
size_t valueSize);
- // The get function retrieves from the cache the binary value associated
- // with a given binary key. If the key is present in the cache then the
- // length of the binary value associated with that key is returned. If the
- // value argument is non-NULL and the size of the cached value is less than
- // valueSize bytes then the cached value is copied into the buffer pointed
- // to by the value argument. If the key is not present in the cache then 0
- // is returned and the buffer pointed to by the value argument is not
- // modified.
+ // get retrieves from the cache the binary value associated with a given
+ // binary key. If the key is present in the cache then the length of the
+ // binary value associated with that key is returned. If the value argument
+ // is non-NULL and the size of the cached value is less than valueSize bytes
+ // then the cached value is copied into the buffer pointed to by the value
+ // argument. If the key is not present in the cache then 0 is returned and
+ // the buffer pointed to by the value argument is not modified.
//
// Note that when calling get multiple times with the same key, the later
// calls may fail, returning 0, even if earlier calls succeeded. The return
// 0 <= valueSize
size_t get(const void* key, size_t keySize, void* value, size_t valueSize);
+ // getFlattenedSize returns the number of bytes needed to store the entire
+ // serialized cache.
+ virtual size_t getFlattenedSize() const;
+
+ // getFdCount returns the number of file descriptors that will result from
+ // flattening the cache. This will always return 0 so as to allow the
+ // flattened cache to be saved to disk and then later restored.
+ virtual size_t getFdCount() const;
+
+ // flatten serializes the current contents of the cache into the memory
+ // pointed to by 'buffer'. The serialized cache contents can later be
+ // loaded into a BlobCache object using the unflatten method. The contents
+ // of the BlobCache object will not be modified.
+ //
+ // Preconditions:
+ // size >= this.getFlattenedSize()
+ // count == 0
+ virtual status_t flatten(void* buffer, size_t size, int fds[],
+ size_t count) const;
+
+ // unflatten replaces the contents of the cache with the serialized cache
+ // contents in the memory pointed to by 'buffer'. The previous contents of
+ // the BlobCache will be evicted from the cache. If an error occurs while
+ // unflattening the serialized cache contents then the BlobCache will be
+ // left in an empty state.
+ //
+ // Preconditions:
+ // count == 0
+ virtual status_t unflatten(void const* buffer, size_t size, int fds[],
+ size_t count);
+
private:
// Copying is disallowed.
BlobCache(const BlobCache&);
sp<Blob> mValue;
};
+ // A Header is the header for the entire BlobCache serialization format. No
+ // need to make this portable, so we simply write the struct out.
+ struct Header {
+ // mMagicNumber is the magic number that identifies the data as
+ // serialized BlobCache contents. It must always contain 'Blb$'.
+ uint32_t mMagicNumber;
+
+ // mBlobCacheVersion is the serialization format version.
+ uint32_t mBlobCacheVersion;
+
+ // mDeviceVersion is the device-specific version of the cache. This can
+ // be used to invalidate the cache.
+ uint32_t mDeviceVersion;
+
+ // mNumEntries is number of cache entries following the header in the
+ // data.
+ size_t mNumEntries;
+ };
+
+ // An EntryHeader is the header for a serialized cache entry. No need to
+ // make this portable, so we simply write the struct out. Each EntryHeader
+ // is followed imediately by the key data and then the value data.
+ //
+ // The beginning of each serialized EntryHeader is 4-byte aligned, so the
+ // number of bytes that a serialized cache entry will occupy is:
+ //
+ // ((sizeof(EntryHeader) + keySize + valueSize) + 3) & ~3
+ //
+ struct EntryHeader {
+ // mKeySize is the size of the entry key in bytes.
+ size_t mKeySize;
+
+ // mValueSize is the size of the entry value in bytes.
+ size_t mValueSize;
+
+ // mData contains both the key and value data for the cache entry. The
+ // key comes first followed immediately by the value.
+ uint8_t mData[];
+ };
+
// mMaxKeySize is the maximum key size that will be cached. Calls to
// BlobCache::set with a keySize parameter larger than mMaxKeySize will
// simply not add the key/value pair to the cache.
size_t mTotalSize;
// mRandState is the pseudo-random number generator state. It is passed to
- // nrand48 to generate random numbers when needed. It must be protected by
- // mMutex.
+ // nrand48 to generate random numbers when needed.
unsigned short mRandState[3];
// mCacheEntries stores all the cache entries that are resident in memory.
// Cache entries are added to it by the 'set' method.
SortedVector<CacheEntry> mCacheEntries;
-
- // mMutex is used to synchronize access to all member variables. It must be
- // locked any time the member variables are written or read.
- Mutex mMutex;
};
}
#include <stdint.h>
#include <sys/types.h>
#include <utils/threads.h>
+#include <cutils/compiler.h>
namespace android {
// ---------------------------------------------------------------------------
template <typename TYPE>
-class Singleton
+class ANDROID_API Singleton
{
public:
static TYPE& getInstance() {
::close(mAshmemFd);
}
-status_t CursorWindow::create(const String8& name, size_t size, bool localOnly,
- CursorWindow** outCursorWindow) {
+status_t CursorWindow::create(const String8& name, size_t size, CursorWindow** outCursorWindow) {
String8 ashmemName("CursorWindow: ");
ashmemName.append(name);
- ashmemName.append(localOnly ? " (local)" : " (remote)");
status_t result;
int ashmemFd = ashmem_create_region(ashmemName.string(), size);
}
virtual void setTransactionState(const Vector<ComposerState>& state,
- int orientation)
+ int orientation, uint32_t flags)
{
Parcel data, reply;
data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
b->write(data);
}
data.writeInt32(orientation);
+ data.writeInt32(flags);
remote()->transact(BnSurfaceComposer::SET_TRANSACTION_STATE, data, &reply);
}
state.add(s);
}
int orientation = data.readInt32();
- setTransactionState(state, orientation);
+ uint32_t flags = data.readInt32();
+ setTransactionState(state, orientation, flags);
} break;
case BOOT_FINISHED: {
CHECK_INTERFACE(ISurfaceComposer, data, reply);
mutable Mutex mLock;
SortedVector<ComposerState> mStates;
int mOrientation;
+ uint32_t mForceSynchronous;
Composer() : Singleton<Composer>(),
- mOrientation(ISurfaceComposer::eOrientationUnchanged) { }
+ mOrientation(ISurfaceComposer::eOrientationUnchanged),
+ mForceSynchronous(0)
+ { }
- void closeGlobalTransactionImpl();
+ void closeGlobalTransactionImpl(bool synchronous);
layer_state_t* getLayerStateLocked(
const sp<SurfaceComposerClient>& client, SurfaceID id);
uint32_t tint);
status_t setOrientation(int orientation);
- static void closeGlobalTransaction() {
- Composer::getInstance().closeGlobalTransactionImpl();
+ static void closeGlobalTransaction(bool synchronous) {
+ Composer::getInstance().closeGlobalTransactionImpl(synchronous);
}
};
// ---------------------------------------------------------------------------
-void Composer::closeGlobalTransactionImpl() {
+void Composer::closeGlobalTransactionImpl(bool synchronous) {
sp<ISurfaceComposer> sm(getComposerService());
Vector<ComposerState> transaction;
int orientation;
+ uint32_t flags = 0;
{ // scope for the lock
Mutex::Autolock _l(mLock);
orientation = mOrientation;
mOrientation = ISurfaceComposer::eOrientationUnchanged;
+
+ if (synchronous || mForceSynchronous) {
+ flags |= ISurfaceComposer::eSynchronous;
+ }
+ mForceSynchronous = false;
}
- sm->setTransactionState(transaction, orientation);
+ sm->setTransactionState(transaction, orientation, flags);
}
layer_state_t* Composer::getLayerStateLocked(
s->what |= ISurfaceComposer::eSizeChanged;
s->w = w;
s->h = h;
+
+ // Resizing a surface makes the transaction synchronous.
+ mForceSynchronous = true;
+
return NO_ERROR;
}
status_t Composer::setOrientation(int orientation) {
Mutex::Autolock _l(mLock);
mOrientation = orientation;
+
+ // Changing the orientation makes the transaction synchronous.
+ mForceSynchronous = true;
+
return NO_ERROR;
}
// Currently a no-op
}
-void SurfaceComposerClient::closeGlobalTransaction() {
- Composer::closeGlobalTransaction();
+void SurfaceComposerClient::closeGlobalTransaction(bool synchronous) {
+ Composer::closeGlobalTransaction(synchronous);
}
// ----------------------------------------------------------------------------
// Choose a name using the PID and a process-unique ID.
mName = String8::format("unnamed-%d-%d", getpid(), createProcessUniqueId());
- ST_LOGV("SurfaceTexture::SurfaceTexture");
+ ST_LOGV("SurfaceTexture");
sp<ISurfaceComposer> composer(ComposerService::getComposerService());
mGraphicBufferAlloc = composer->createGraphicBufferAlloc();
mNextCrop.makeInvalid();
}
SurfaceTexture::~SurfaceTexture() {
- ST_LOGV("SurfaceTexture::~SurfaceTexture");
+ ST_LOGV("~SurfaceTexture");
freeAllBuffersLocked();
}
}
status_t SurfaceTexture::setBufferCount(int bufferCount) {
- ST_LOGV("SurfaceTexture::setBufferCount");
+ ST_LOGV("setBufferCount: count=%d", bufferCount);
Mutex::Autolock lock(mMutex);
if (mAbandoned) {
status_t SurfaceTexture::setDefaultBufferSize(uint32_t w, uint32_t h)
{
+ ST_LOGV("setDefaultBufferSize: w=%d, h=%d", w, h);
if (!w || !h) {
ST_LOGE("setDefaultBufferSize: dimensions cannot be 0 (w=%d, h=%d)",
w, h);
}
status_t SurfaceTexture::requestBuffer(int slot, sp<GraphicBuffer>* buf) {
- ST_LOGV("SurfaceTexture::requestBuffer");
+ ST_LOGV("requestBuffer: slot=%d", slot);
Mutex::Autolock lock(mMutex);
if (mAbandoned) {
ST_LOGE("requestBuffer: SurfaceTexture has been abandoned!");
status_t SurfaceTexture::dequeueBuffer(int *outBuf, uint32_t w, uint32_t h,
uint32_t format, uint32_t usage) {
- ST_LOGV("SurfaceTexture::dequeueBuffer");
+ ST_LOGV("dequeueBuffer: w=%d h=%d fmt=%#x usage=%#x", w, h, format, usage);
if ((w && !h) || (!w && h)) {
ST_LOGE("dequeueBuffer: invalid size: w=%u, h=%u", w, h);
// clients are not allowed to dequeue more than one buffer
// if they didn't set a buffer count.
if (!mClientBufferCount && dequeuedCount) {
+ ST_LOGE("dequeueBuffer: can't dequeue multiple buffers without "
+ "setting the buffer count");
return -EINVAL;
}
}
if (found == INVALID_BUFFER_SLOT) {
+ // This should not happen.
+ ST_LOGE("dequeueBuffer: no available buffer slots");
return -EBUSY;
}
}
returnFlags |= ISurfaceTexture::BUFFER_NEEDS_REALLOCATION;
}
+ ST_LOGV("dequeueBuffer: returning slot=%d buf=%p flags=%#x", buf,
+ mSlots[buf].mGraphicBuffer->handle, returnFlags);
return returnFlags;
}
status_t SurfaceTexture::setSynchronousMode(bool enabled) {
+ ST_LOGV("setSynchronousMode: enabled=%d", enabled);
Mutex::Autolock lock(mMutex);
if (mAbandoned) {
status_t SurfaceTexture::queueBuffer(int buf, int64_t timestamp,
uint32_t* outWidth, uint32_t* outHeight, uint32_t* outTransform) {
- ST_LOGV("SurfaceTexture::queueBuffer");
+ ST_LOGV("queueBuffer: slot=%d time=%lld", buf, timestamp);
sp<FrameAvailableListener> listener;
}
void SurfaceTexture::cancelBuffer(int buf) {
- ST_LOGV("SurfaceTexture::cancelBuffer");
+ ST_LOGV("cancelBuffer: slot=%d", buf);
Mutex::Autolock lock(mMutex);
if (mAbandoned) {
}
status_t SurfaceTexture::setCrop(const Rect& crop) {
- ST_LOGV("SurfaceTexture::setCrop");
+ ST_LOGV("setCrop: crop=[%d,%d,%d,%d]", crop.left, crop.top, crop.right,
+ crop.bottom);
+
Mutex::Autolock lock(mMutex);
if (mAbandoned) {
ST_LOGE("setCrop: SurfaceTexture has been abandoned!");
}
status_t SurfaceTexture::setTransform(uint32_t transform) {
- ST_LOGV("SurfaceTexture::setTransform");
+ ST_LOGV("setTransform: xform=%#x", transform);
Mutex::Autolock lock(mMutex);
if (mAbandoned) {
ST_LOGE("setTransform: SurfaceTexture has been abandoned!");
status_t SurfaceTexture::connect(int api,
uint32_t* outWidth, uint32_t* outHeight, uint32_t* outTransform) {
- ST_LOGV("SurfaceTexture::connect(this=%p, %d)", this, api);
+ ST_LOGV("connect: api=%d", api);
Mutex::Autolock lock(mMutex);
if (mAbandoned) {
}
status_t SurfaceTexture::disconnect(int api) {
- ST_LOGV("SurfaceTexture::disconnect(this=%p, %d)", this, api);
+ ST_LOGV("disconnect: api=%d", api);
Mutex::Autolock lock(mMutex);
if (mAbandoned) {
}
break;
default:
+ ST_LOGE("disconnect: unknown API %d", api);
err = -EINVAL;
break;
}
}
status_t SurfaceTexture::setScalingMode(int mode) {
- ST_LOGV("SurfaceTexture::setScalingMode(%d)", mode);
+ ST_LOGV("setScalingMode: mode=%d", mode);
switch (mode) {
case NATIVE_WINDOW_SCALING_MODE_FREEZE:
case NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW:
break;
default:
+ ST_LOGE("unknown scaling mode: %d", mode);
return BAD_VALUE;
}
}
status_t SurfaceTexture::updateTexImage() {
- ST_LOGV("SurfaceTexture::updateTexImage");
+ ST_LOGV("updateTexImage");
Mutex::Autolock lock(mMutex);
if (mAbandoned) {
return -EINVAL;
}
+ ST_LOGV("updateTexImage: (slot=%d buf=%p) -> (slot=%d buf=%p)", mCurrentTexture,
+ mCurrentTextureBuf != NULL ? mCurrentTextureBuf->handle : 0, buf,
+ mSlots[buf].mGraphicBuffer->handle);
+
if (mCurrentTexture != INVALID_BUFFER_SLOT) {
// The current buffer becomes FREE if it was still in the queued
// state. If it has already been given to the client
}
void SurfaceTexture::computeCurrentTransformMatrix() {
- ST_LOGV("SurfaceTexture::computeCurrentTransformMatrix");
+ ST_LOGV("computeCurrentTransformMatrix");
float xform[16];
for (int i = 0; i < 16; i++) {
}
nsecs_t SurfaceTexture::getTimestamp() {
- ST_LOGV("SurfaceTexture::getTimestamp");
+ ST_LOGV("getTimestamp");
Mutex::Autolock lock(mMutex);
return mCurrentTimestamp;
}
void SurfaceTexture::setFrameAvailableListener(
const sp<FrameAvailableListener>& listener) {
- ST_LOGV("SurfaceTexture::setFrameAvailableListener");
+ ST_LOGV("setFrameAvailableListener");
Mutex::Autolock lock(mMutex);
mFrameAvailableListener = listener;
}
class SurfaceTextureGLTest : public GLTest {
protected:
- static const GLint TEX_ID = 123;
+ enum { TEX_ID = 123 };
virtual void SetUp() {
GLTest::SetUp();
}
}
+TEST_F(SurfaceTextureGLTest, EglDestroySurfaceUnrefsBuffers) {
+ EGLSurface stcEglSurface = eglCreateWindowSurface(mEglDisplay, mGlConfig,
+ mANW.get(), NULL);
+ ASSERT_EQ(EGL_SUCCESS, eglGetError());
+ ASSERT_NE(EGL_NO_SURFACE, stcEglSurface);
+
+ sp<GraphicBuffer> buffers[3];
+
+ for (int i = 0; i < 3; i++) {
+ // Produce a frame
+ EXPECT_TRUE(eglMakeCurrent(mEglDisplay, stcEglSurface, stcEglSurface,
+ mEglContext));
+ ASSERT_EQ(EGL_SUCCESS, eglGetError());
+ glClear(GL_COLOR_BUFFER_BIT);
+ eglSwapBuffers(mEglDisplay, stcEglSurface);
+
+ // Consume a frame
+ EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
+ mEglContext));
+ ASSERT_EQ(EGL_SUCCESS, eglGetError());
+ mST->updateTexImage();
+ buffers[i] = mST->getCurrentBuffer();
+ }
+
+ // Destroy the GL texture object to release its ref on buffers[2].
+ GLuint texID = TEX_ID;
+ glDeleteTextures(1, &texID);
+
+ // Destroy the EGLSurface
+ EXPECT_TRUE(eglDestroySurface(mEglDisplay, stcEglSurface));
+ ASSERT_EQ(EGL_SUCCESS, eglGetError());
+
+ // Release the ref that the SurfaceTexture has on buffers[2].
+ mST->abandon();
+
+ EXPECT_EQ(1, buffers[0]->getStrongCount());
+ EXPECT_EQ(1, buffers[1]->getStrongCount());
+ EXPECT_EQ(1, buffers[2]->getStrongCount());
+}
+
+TEST_F(SurfaceTextureGLTest, EglDestroySurfaceAfterAbandonUnrefsBuffers) {
+ EGLSurface stcEglSurface = eglCreateWindowSurface(mEglDisplay, mGlConfig,
+ mANW.get(), NULL);
+ ASSERT_EQ(EGL_SUCCESS, eglGetError());
+ ASSERT_NE(EGL_NO_SURFACE, stcEglSurface);
+
+ sp<GraphicBuffer> buffers[3];
+
+ for (int i = 0; i < 3; i++) {
+ // Produce a frame
+ EXPECT_TRUE(eglMakeCurrent(mEglDisplay, stcEglSurface, stcEglSurface,
+ mEglContext));
+ ASSERT_EQ(EGL_SUCCESS, eglGetError());
+ glClear(GL_COLOR_BUFFER_BIT);
+ EXPECT_TRUE(eglSwapBuffers(mEglDisplay, stcEglSurface));
+ ASSERT_EQ(EGL_SUCCESS, eglGetError());
+
+ // Consume a frame
+ EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
+ mEglContext));
+ ASSERT_EQ(EGL_SUCCESS, eglGetError());
+ ASSERT_EQ(NO_ERROR, mST->updateTexImage());
+ buffers[i] = mST->getCurrentBuffer();
+ }
+
+ // Abandon the SurfaceTexture, releasing the ref that the SurfaceTexture has
+ // on buffers[2].
+ mST->abandon();
+
+ // Destroy the GL texture object to release its ref on buffers[2].
+ GLuint texID = TEX_ID;
+ glDeleteTextures(1, &texID);
+
+ // Destroy the EGLSurface.
+ EXPECT_TRUE(eglDestroySurface(mEglDisplay, stcEglSurface));
+ ASSERT_EQ(EGL_SUCCESS, eglGetError());
+
+ EXPECT_EQ(1, buffers[0]->getStrongCount());
+ EXPECT_EQ(1, buffers[1]->getStrongCount());
+ EXPECT_EQ(1, buffers[2]->getStrongCount());
+}
+
} // namespace android
endif
endif
+ifeq ($(TARGET_OS),linux)
+LOCAL_LDLIBS += -lrt -ldl
+endif
+
include $(BUILD_HOST_STATIC_LIBRARY)
#include <string.h>
#include <utils/BlobCache.h>
+#include <utils/Errors.h>
#include <utils/Log.h>
namespace android {
+// BlobCache::Header::mMagicNumber value
+static const uint32_t blobCacheMagic = '_Bb$';
+
+// BlobCache::Header::mBlobCacheVersion value
+static const uint32_t blobCacheVersion = 1;
+
+// BlobCache::Header::mDeviceVersion value
+static const uint32_t blobCacheDeviceVersion = 1;
+
BlobCache::BlobCache(size_t maxKeySize, size_t maxValueSize, size_t maxTotalSize):
mMaxKeySize(maxKeySize),
mMaxValueSize(maxValueSize),
return;
}
- Mutex::Autolock lock(mMutex);
sp<Blob> dummyKey(new Blob(key, keySize, false));
CacheEntry dummyEntry(dummyKey, NULL);
while (true) {
-
ssize_t index = mCacheEntries.indexOf(dummyEntry);
if (index < 0) {
// Create a new cache entry.
keySize, mMaxKeySize);
return 0;
}
- Mutex::Autolock lock(mMutex);
sp<Blob> dummyKey(new Blob(key, keySize, false));
CacheEntry dummyEntry(dummyKey, NULL);
ssize_t index = mCacheEntries.indexOf(dummyEntry);
return valueBlobSize;
}
+static inline size_t align4(size_t size) {
+ return (size + 3) & ~3;
+}
+
+size_t BlobCache::getFlattenedSize() const {
+ size_t size = sizeof(Header);
+ for (size_t i = 0; i < mCacheEntries.size(); i++) {
+ const CacheEntry& e(mCacheEntries[i]);
+ sp<Blob> keyBlob = e.getKey();
+ sp<Blob> valueBlob = e.getValue();
+ size = align4(size);
+ size += sizeof(EntryHeader) + keyBlob->getSize() +
+ valueBlob->getSize();
+ }
+ return size;
+}
+
+size_t BlobCache::getFdCount() const {
+ return 0;
+}
+
+status_t BlobCache::flatten(void* buffer, size_t size, int fds[], size_t count)
+ const {
+ if (count != 0) {
+ LOGE("flatten: nonzero fd count: %d", count);
+ return BAD_VALUE;
+ }
+
+ // Write the cache header
+ if (size < sizeof(Header)) {
+ LOGE("flatten: not enough room for cache header");
+ return BAD_VALUE;
+ }
+ Header* header = reinterpret_cast<Header*>(buffer);
+ header->mMagicNumber = blobCacheMagic;
+ header->mBlobCacheVersion = blobCacheVersion;
+ header->mDeviceVersion = blobCacheDeviceVersion;
+ header->mNumEntries = mCacheEntries.size();
+
+ // Write cache entries
+ uint8_t* byteBuffer = reinterpret_cast<uint8_t*>(buffer);
+ off_t byteOffset = align4(sizeof(Header));
+ for (size_t i = 0; i < mCacheEntries.size(); i++) {
+ const CacheEntry& e(mCacheEntries[i]);
+ sp<Blob> keyBlob = e.getKey();
+ sp<Blob> valueBlob = e.getValue();
+ size_t keySize = keyBlob->getSize();
+ size_t valueSize = valueBlob->getSize();
+
+ size_t entrySize = sizeof(EntryHeader) + keySize + valueSize;
+ if (byteOffset + entrySize > size) {
+ LOGE("flatten: not enough room for cache entries");
+ return BAD_VALUE;
+ }
+
+ EntryHeader* eheader = reinterpret_cast<EntryHeader*>(
+ &byteBuffer[byteOffset]);
+ eheader->mKeySize = keySize;
+ eheader->mValueSize = valueSize;
+
+ memcpy(eheader->mData, keyBlob->getData(), keySize);
+ memcpy(eheader->mData + keySize, valueBlob->getData(), valueSize);
+
+ byteOffset += align4(entrySize);
+ }
+
+ return OK;
+}
+
+status_t BlobCache::unflatten(void const* buffer, size_t size, int fds[],
+ size_t count) {
+ // All errors should result in the BlobCache being in an empty state.
+ mCacheEntries.clear();
+
+ if (count != 0) {
+ LOGE("unflatten: nonzero fd count: %d", count);
+ return BAD_VALUE;
+ }
+
+ // Read the cache header
+ if (size < sizeof(Header)) {
+ LOGE("unflatten: not enough room for cache header");
+ return BAD_VALUE;
+ }
+ const Header* header = reinterpret_cast<const Header*>(buffer);
+ if (header->mMagicNumber != blobCacheMagic) {
+ LOGE("unflatten: bad magic number: %d", header->mMagicNumber);
+ return BAD_VALUE;
+ }
+ if (header->mBlobCacheVersion != blobCacheVersion ||
+ header->mDeviceVersion != blobCacheDeviceVersion) {
+ // We treat version mismatches as an empty cache.
+ return OK;
+ }
+
+ // Read cache entries
+ const uint8_t* byteBuffer = reinterpret_cast<const uint8_t*>(buffer);
+ off_t byteOffset = align4(sizeof(Header));
+ size_t numEntries = header->mNumEntries;
+ for (size_t i = 0; i < numEntries; i++) {
+ if (byteOffset + sizeof(EntryHeader) > size) {
+ mCacheEntries.clear();
+ LOGE("unflatten: not enough room for cache entry headers");
+ return BAD_VALUE;
+ }
+
+ const EntryHeader* eheader = reinterpret_cast<const EntryHeader*>(
+ &byteBuffer[byteOffset]);
+ size_t keySize = eheader->mKeySize;
+ size_t valueSize = eheader->mValueSize;
+ size_t entrySize = sizeof(EntryHeader) + keySize + valueSize;
+
+ if (byteOffset + entrySize > size) {
+ mCacheEntries.clear();
+ LOGE("unflatten: not enough room for cache entry headers");
+ return BAD_VALUE;
+ }
+
+ const uint8_t* data = eheader->mData;
+ set(data, keySize, data + keySize, valueSize);
+
+ byteOffset += align4(entrySize);
+ }
+
+ return OK;
+}
+
long int BlobCache::blob_random() {
#ifdef _WIN32
return rand();
mData(copyData ? malloc(size) : data),
mSize(size),
mOwnsData(copyData) {
- if (copyData) {
+ if (data != NULL && copyData) {
memcpy(const_cast<void*>(mData), data, size);
}
}
** limitations under the License.
*/
+#include <fcntl.h>
+#include <stdio.h>
+
#include <gtest/gtest.h>
#include <utils/BlobCache.h>
+#include <utils/Errors.h>
namespace android {
ASSERT_EQ(maxEntries/2 + 1, numCached);
}
+class BlobCacheFlattenTest : public BlobCacheTest {
+protected:
+ virtual void SetUp() {
+ BlobCacheTest::SetUp();
+ mBC2 = new BlobCache(MAX_KEY_SIZE, MAX_VALUE_SIZE, MAX_TOTAL_SIZE);
+ }
+
+ virtual void TearDown() {
+ mBC2.clear();
+ BlobCacheTest::TearDown();
+ }
+
+ void roundTrip() {
+ size_t size = mBC->getFlattenedSize();
+ uint8_t* flat = new uint8_t[size];
+ ASSERT_EQ(OK, mBC->flatten(flat, size, NULL, 0));
+ ASSERT_EQ(OK, mBC2->unflatten(flat, size, NULL, 0));
+ delete[] flat;
+ }
+
+ sp<BlobCache> mBC2;
+};
+
+TEST_F(BlobCacheFlattenTest, FlattenOneValue) {
+ char buf[4] = { 0xee, 0xee, 0xee, 0xee };
+ mBC->set("abcd", 4, "efgh", 4);
+ roundTrip();
+ ASSERT_EQ(size_t(4), mBC2->get("abcd", 4, buf, 4));
+ ASSERT_EQ('e', buf[0]);
+ ASSERT_EQ('f', buf[1]);
+ ASSERT_EQ('g', buf[2]);
+ ASSERT_EQ('h', buf[3]);
+}
+
+TEST_F(BlobCacheFlattenTest, FlattenFullCache) {
+ // Fill up the entire cache with 1 char key/value pairs.
+ const int maxEntries = MAX_TOTAL_SIZE / 2;
+ for (int i = 0; i < maxEntries; i++) {
+ uint8_t k = i;
+ mBC->set(&k, 1, &k, 1);
+ }
+
+ roundTrip();
+
+ // Verify the deserialized cache
+ for (int i = 0; i < maxEntries; i++) {
+ uint8_t k = i;
+ uint8_t v = 0xee;
+ ASSERT_EQ(size_t(1), mBC2->get(&k, 1, &v, 1));
+ ASSERT_EQ(k, v);
+ }
+}
+
+TEST_F(BlobCacheFlattenTest, FlattenDoesntChangeCache) {
+ // Fill up the entire cache with 1 char key/value pairs.
+ const int maxEntries = MAX_TOTAL_SIZE / 2;
+ for (int i = 0; i < maxEntries; i++) {
+ uint8_t k = i;
+ mBC->set(&k, 1, &k, 1);
+ }
+
+ size_t size = mBC->getFlattenedSize();
+ uint8_t* flat = new uint8_t[size];
+ ASSERT_EQ(OK, mBC->flatten(flat, size, NULL, 0));
+ delete[] flat;
+
+ // Verify the cache that we just serialized
+ for (int i = 0; i < maxEntries; i++) {
+ uint8_t k = i;
+ uint8_t v = 0xee;
+ ASSERT_EQ(size_t(1), mBC->get(&k, 1, &v, 1));
+ ASSERT_EQ(k, v);
+ }
+}
+
+TEST_F(BlobCacheFlattenTest, FlattenCatchesBufferTooSmall) {
+ // Fill up the entire cache with 1 char key/value pairs.
+ const int maxEntries = MAX_TOTAL_SIZE / 2;
+ for (int i = 0; i < maxEntries; i++) {
+ uint8_t k = i;
+ mBC->set(&k, 1, &k, 1);
+ }
+
+ size_t size = mBC->getFlattenedSize() - 1;
+ uint8_t* flat = new uint8_t[size];
+ ASSERT_EQ(BAD_VALUE, mBC->flatten(flat, size, NULL, 0));
+ delete[] flat;
+}
+
+TEST_F(BlobCacheFlattenTest, UnflattenCatchesBadMagic) {
+ char buf[4] = { 0xee, 0xee, 0xee, 0xee };
+ mBC->set("abcd", 4, "efgh", 4);
+
+ size_t size = mBC->getFlattenedSize();
+ uint8_t* flat = new uint8_t[size];
+ ASSERT_EQ(OK, mBC->flatten(flat, size, NULL, 0));
+ flat[1] = ~flat[1];
+
+ // Bad magic should cause an error.
+ ASSERT_EQ(BAD_VALUE, mBC2->unflatten(flat, size, NULL, 0));
+ delete[] flat;
+
+ // The error should cause the unflatten to result in an empty cache
+ ASSERT_EQ(size_t(0), mBC2->get("abcd", 4, buf, 4));
+}
+
+TEST_F(BlobCacheFlattenTest, UnflattenCatchesBadBlobCacheVersion) {
+ char buf[4] = { 0xee, 0xee, 0xee, 0xee };
+ mBC->set("abcd", 4, "efgh", 4);
+
+ size_t size = mBC->getFlattenedSize();
+ uint8_t* flat = new uint8_t[size];
+ ASSERT_EQ(OK, mBC->flatten(flat, size, NULL, 0));
+ flat[5] = ~flat[5];
+
+ // Version mismatches shouldn't cause errors, but should not use the
+ // serialized entries
+ ASSERT_EQ(OK, mBC2->unflatten(flat, size, NULL, 0));
+ delete[] flat;
+
+ // The version mismatch should cause the unflatten to result in an empty
+ // cache
+ ASSERT_EQ(size_t(0), mBC2->get("abcd", 4, buf, 4));
+}
+
+TEST_F(BlobCacheFlattenTest, UnflattenCatchesBadBlobCacheDeviceVersion) {
+ char buf[4] = { 0xee, 0xee, 0xee, 0xee };
+ mBC->set("abcd", 4, "efgh", 4);
+
+ size_t size = mBC->getFlattenedSize();
+ uint8_t* flat = new uint8_t[size];
+ ASSERT_EQ(OK, mBC->flatten(flat, size, NULL, 0));
+ flat[10] = ~flat[10];
+
+ // Version mismatches shouldn't cause errors, but should not use the
+ // serialized entries
+ ASSERT_EQ(OK, mBC2->unflatten(flat, size, NULL, 0));
+ delete[] flat;
+
+ // The version mismatch should cause the unflatten to result in an empty
+ // cache
+ ASSERT_EQ(size_t(0), mBC2->get("abcd", 4, buf, 4));
+}
+
+TEST_F(BlobCacheFlattenTest, UnflattenCatchesBufferTooSmall) {
+ char buf[4] = { 0xee, 0xee, 0xee, 0xee };
+ mBC->set("abcd", 4, "efgh", 4);
+
+ size_t size = mBC->getFlattenedSize();
+ uint8_t* flat = new uint8_t[size];
+ ASSERT_EQ(OK, mBC->flatten(flat, size, NULL, 0));
+
+ // A buffer truncation shouldt cause an error
+ ASSERT_EQ(BAD_VALUE, mBC2->unflatten(flat, size-1, NULL, 0));
+ delete[] flat;
+
+ // The error should cause the unflatten to result in an empty cache
+ ASSERT_EQ(size_t(0), mBC2->get("abcd", 4, buf, 4));
+}
+
} // namespace android
mCurrentScalingMode);
if (!isFixedSize()) {
- // we're being resized and there is a freeze display request,
- // acquire a freeze lock, so that the screen stays put
- // until we've redrawn at the new size; this is to avoid
- // glitches upon orientation changes.
- if (mFlinger->hasFreezeRequest()) {
- // if the surface is hidden, don't try to acquire the
- // freeze lock, since hidden surfaces may never redraw
- if (!(front.flags & ISurfaceComposer::eLayerHidden)) {
- mFreezeLock = mFlinger->getFreezeLock();
- }
- }
-
// this will make sure LayerBase::doTransaction doesn't update
// the drawing state's size
Layer::State& editDraw(mDrawingState);
temp.requested_h);
}
- if (temp.sequence != front.sequence) {
- if (temp.flags & ISurfaceComposer::eLayerHidden || temp.alpha == 0) {
- // this surface is now hidden, so it shouldn't hold a freeze lock
- // (it may never redraw, which is fine if it is hidden)
- mFreezeLock.clear();
- }
- }
-
return LayerBase::doTransaction(flags);
}
glTexParameterx(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameterx(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
- // update the layer size and release freeze-lock
+ // update the layer size if needed
const Layer::State& front(drawingState());
// FIXME: mPostedDirtyRegion = dirty & bounds
// recompute visible region
recomputeVisibleRegions = true;
-
- // we now have the correct size, unfreeze the screen
- mFreezeLock.clear();
}
LOGD_IF(DEBUG_RESIZE,
dirtyRegion.andSelf(visibleRegionScreen);
outDirtyRegion.orSelf(dirtyRegion);
}
- if (visibleRegionScreen.isEmpty()) {
- // an invisible layer should not hold a freeze-lock
- // (because it may never be updated and therefore never release it)
- mFreezeLock.clear();
- }
}
void Layer::dump(String8& result, char* buffer, size_t SIZE) const
snprintf(buffer, SIZE,
" "
"format=%2d, activeBuffer=[%4ux%4u:%4u,%3X],"
- " freezeLock=%p, transform-hint=0x%02x, queued-frames=%d\n",
+ " transform-hint=0x%02x, queued-frames=%d\n",
mFormat, w0, h0, s0,f0,
- getFreezeLock().get(), getTransformHint(), mQueuedFrames);
+ getTransformHint(), mQueuedFrames);
result.append(buffer);
// ---------------------------------------------------------------------------
-class FreezeLock;
class Client;
class GLExtensions;
virtual wp<IBinder> getSurfaceTextureBinder() const;
// only for debugging
- inline const sp<FreezeLock>& getFreezeLock() const { return mFreezeLock; }
inline const sp<GraphicBuffer>& getActiveBuffer() const { return mActiveBuffer; }
protected:
bool mProtectedByApp; // application requires protected path to external sink
Region mPostedDirtyRegion;
- // page-flip thread and transaction thread (currently main thread)
- sp<FreezeLock> mFreezeLock;
-
// binder thread, transaction thread
mutable Mutex mLock;
};
SurfaceFlinger::SurfaceFlinger()
: BnSurfaceComposer(), Thread(false),
mTransactionFlags(0),
- mResizeTransationPending(false),
+ mTransationPending(false),
mLayersRemoved(false),
mBootTime(systemTime()),
mVisibleRegionsDirty(false),
mHwWorkListDirty(false),
- mFreezeDisplay(false),
mElectronBeamAnimationMode(0),
- mFreezeCount(0),
- mFreezeDisplayTime(0),
mDebugRegion(0),
mDebugBackground(0),
mDebugDDMS(0),
{
// the window manager died on us. prepare its eulogy.
- // unfreeze the screen in case it was... frozen
- mFreezeDisplayTime = 0;
- mFreezeCount = 0;
- mFreezeDisplay = false;
-
// reset screen orientation
setOrientation(0, eOrientationDefault, 0);
{
while (true) {
nsecs_t timeout = -1;
- const nsecs_t freezeDisplayTimeout = ms2ns(5000);
- if (UNLIKELY(isFrozen())) {
- // wait 5 seconds
- const nsecs_t now = systemTime();
- if (mFreezeDisplayTime == 0) {
- mFreezeDisplayTime = now;
- }
- nsecs_t waitTime = freezeDisplayTimeout - (now - mFreezeDisplayTime);
- timeout = waitTime>0 ? waitTime : 0;
- }
-
sp<MessageBase> msg = mEventQueue.waitMessage(timeout);
-
- // see if we timed out
- if (isFrozen()) {
- const nsecs_t now = systemTime();
- nsecs_t frozenTime = (now - mFreezeDisplayTime);
- if (frozenTime >= freezeDisplayTimeout) {
- // we timed out and are still frozen
- LOGW("timeout expired mFreezeDisplay=%d, mFreezeCount=%d",
- mFreezeDisplay, mFreezeCount);
- mFreezeDisplayTime = 0;
- mFreezeCount = 0;
- mFreezeDisplay = false;
- }
- }
-
if (msg != 0) {
switch (msg->what) {
case MessageQueue::INVALIDATE:
mDirtyRegion.set(hw.bounds());
}
- if (mCurrentState.freezeDisplay != mDrawingState.freezeDisplay) {
- // freezing or unfreezing the display -> trigger animation if needed
- mFreezeDisplay = mCurrentState.freezeDisplay;
- if (mFreezeDisplay)
- mFreezeDisplayTime = 0;
- }
-
if (currentLayers.size() > mDrawingState.layersSortedByZ.size()) {
// layers have been added
mVisibleRegionsDirty = true;
commitTransaction();
}
-sp<FreezeLock> SurfaceFlinger::getFreezeLock() const
-{
- return new FreezeLock(const_cast<SurfaceFlinger *>(this));
-}
-
void SurfaceFlinger::computeVisibleRegions(
const LayerVector& currentLayers, Region& dirtyRegion, Region& opaqueRegion)
{
void SurfaceFlinger::commitTransaction()
{
mDrawingState = mCurrentState;
- mResizeTransationPending = false;
+ mTransationPending = false;
mTransactionCV.broadcast();
}
void SurfaceFlinger::setTransactionState(const Vector<ComposerState>& state,
- int orientation) {
+ int orientation, uint32_t flags) {
Mutex::Autolock _l(mStateLock);
- uint32_t flags = 0;
+ uint32_t transactionFlags = 0;
if (mCurrentState.orientation != orientation) {
if (uint32_t(orientation)<=eOrientation270 || orientation==42) {
mCurrentState.orientation = orientation;
- flags |= eTransactionNeeded;
- mResizeTransationPending = true;
+ transactionFlags |= eTransactionNeeded;
} else if (orientation != eOrientationUnchanged) {
LOGW("setTransactionState: ignoring unrecognized orientation: %d",
orientation);
for (size_t i=0 ; i<count ; i++) {
const ComposerState& s(state[i]);
sp<Client> client( static_cast<Client *>(s.client.get()) );
- flags |= setClientStateLocked(client, s.state);
+ transactionFlags |= setClientStateLocked(client, s.state);
}
- if (flags) {
- setTransactionFlags(flags);
+ if (transactionFlags) {
+ setTransactionFlags(transactionFlags);
}
- signalEvent();
-
- // if there is a transaction with a resize, wait for it to
- // take effect before returning.
- while (mResizeTransationPending) {
+ // if this is a synchronous transaction, wait for it to take effect before
+ // returning.
+ if (flags & eSynchronous) {
+ mTransationPending = true;
+ }
+ while (mTransationPending) {
status_t err = mTransactionCV.waitRelative(mStateLock, s2ns(5));
if (CC_UNLIKELY(err != NO_ERROR)) {
// just in case something goes wrong in SF, return to the
// called after a few seconds.
LOGW_IF(err == TIMED_OUT, "closeGlobalTransaction timed out!");
- mResizeTransationPending = false;
+ mTransationPending = false;
break;
}
}
}
-status_t SurfaceFlinger::freezeDisplay(DisplayID dpy, uint32_t flags)
-{
- if (UNLIKELY(uint32_t(dpy) >= DISPLAY_COUNT))
- return BAD_VALUE;
-
- Mutex::Autolock _l(mStateLock);
- mCurrentState.freezeDisplay = 1;
- setTransactionFlags(eTransactionNeeded);
-
- // flags is intended to communicate some sort of animation behavior
- // (for instance fading)
- return NO_ERROR;
-}
-
-status_t SurfaceFlinger::unfreezeDisplay(DisplayID dpy, uint32_t flags)
-{
- if (UNLIKELY(uint32_t(dpy) >= DISPLAY_COUNT))
- return BAD_VALUE;
-
- Mutex::Autolock _l(mStateLock);
- mCurrentState.freezeDisplay = 0;
- setTransactionFlags(eTransactionNeeded);
-
- // flags is intended to communicate some sort of animation behavior
- // (for instance fading)
- return NO_ERROR;
-}
-
int SurfaceFlinger::setOrientation(DisplayID dpy,
int orientation, uint32_t flags)
{
if (what & eSizeChanged) {
if (layer->setSize(s.w, s.h)) {
flags |= eTraversalNeeded;
- mResizeTransationPending = true;
}
}
if (what & eAlphaChanged) {
mWormholeRegion.dump(result, "WormholeRegion");
const DisplayHardware& hw(graphicPlane(0).displayHardware());
snprintf(buffer, SIZE,
- " display frozen: %s, freezeCount=%d, orientation=%d, canDraw=%d\n",
- mFreezeDisplay?"yes":"no", mFreezeCount,
+ " orientation=%d, canDraw=%d\n",
mCurrentState.orientation, hw.canDraw());
result.append(buffer);
snprintf(buffer, SIZE,
case CREATE_CONNECTION:
case SET_TRANSACTION_STATE:
case SET_ORIENTATION:
- case FREEZE_DISPLAY:
- case UNFREEZE_DISPLAY:
case BOOT_FINISHED:
case TURN_ELECTRON_BEAM_OFF:
case TURN_ELECTRON_BEAM_ON:
GraphicLog::getInstance().setEnabled(enabled);
return NO_ERROR;
}
- case 1007: // set mFreezeCount
- mFreezeCount = data.readInt32();
- mFreezeDisplayTime = 0;
- return NO_ERROR;
case 1008: // toggle use of hw composer
n = data.readInt32();
mDebugDisableHWC = n ? 1 : 0;
// redraw the screen entirely...
glDisable(GL_TEXTURE_EXTERNAL_OES);
glDisable(GL_TEXTURE_2D);
+ glDisable(GL_SCISSOR_TEST);
glClearColor(0,0,0,1);
glClear(GL_COLOR_BUFFER_BIT);
+ glEnable(GL_SCISSOR_TEST);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
const Vector< sp<LayerBase> >& layers(mVisibleLayersSortedByZ);
class Client;
class DisplayHardware;
-class FreezeLock;
class Layer;
class LayerDim;
class LayerScreenshot;
virtual sp<IMemoryHeap> getCblk() const;
virtual void bootFinished();
virtual void setTransactionState(const Vector<ComposerState>& state,
- int orientation);
- virtual status_t freezeDisplay(DisplayID dpy, uint32_t flags);
- virtual status_t unfreezeDisplay(DisplayID dpy, uint32_t flags);
+ int orientation, uint32_t flags);
virtual int setOrientation(DisplayID dpy, int orientation, uint32_t flags);
virtual bool authenticateSurfaceTexture(const sp<ISurfaceTexture>& surface) const;
struct State {
State() {
orientation = ISurfaceComposer::eOrientationDefault;
- freezeDisplay = 0;
}
LayerVector layersSortedByZ;
uint8_t orientation;
uint8_t orientationFlags;
- uint8_t freezeDisplay;
};
virtual bool threadLoop();
status_t renderScreenToTextureLocked(DisplayID dpy,
GLuint* textureName, GLfloat* uOut, GLfloat* vOut);
- friend class FreezeLock;
- sp<FreezeLock> getFreezeLock() const;
- inline void incFreezeCount() {
- if (mFreezeCount == 0)
- mFreezeDisplayTime = 0;
- mFreezeCount++;
- }
- inline void decFreezeCount() { if (mFreezeCount > 0) mFreezeCount--; }
- inline bool hasFreezeRequest() const { return mFreezeDisplay; }
- inline bool isFrozen() const {
- return (mFreezeDisplay || mFreezeCount>0) && mBootFinished;
- }
-
-
void debugFlashRegions();
void debugShowFPS() const;
void drawWormhole() const;
volatile int32_t mTransactionFlags;
Condition mTransactionCV;
SortedVector< sp<LayerBase> > mLayerPurgatory;
- bool mResizeTransationPending;
+ bool mTransationPending;
// protected by mStateLock (but we could use another lock)
GraphicPlane mGraphicPlanes[1];
Region mWormholeRegion;
bool mVisibleRegionsDirty;
bool mHwWorkListDirty;
- bool mFreezeDisplay;
int32_t mElectronBeamAnimationMode;
- int32_t mFreezeCount;
- nsecs_t mFreezeDisplayTime;
Vector< sp<LayerBase> > mVisibleLayersSortedByZ;
};
// ---------------------------------------------------------------------------
-
-class FreezeLock : public LightRefBase<FreezeLock> {
- SurfaceFlinger* mFlinger;
-public:
- FreezeLock(SurfaceFlinger* flinger)
- : mFlinger(flinger) {
- mFlinger->incFreezeCount();
- }
- ~FreezeLock() {
- mFlinger->decFreezeCount();
- }
-};
-
-// ---------------------------------------------------------------------------
}; // namespace android
#endif // ANDROID_SURFACE_FLINGER_H
-include $(call all-subdir-makefiles)
+# Build the unit tests,
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := SurfaceFlinger_test
+
+LOCAL_MODULE_TAGS := tests
+
+LOCAL_SRC_FILES := \
+ Transaction_test.cpp \
+
+LOCAL_SHARED_LIBRARIES := \
+ libEGL \
+ libGLESv2 \
+ libandroid \
+ libbinder \
+ libcutils \
+ libgui \
+ libstlport \
+ libui \
+ libutils \
+
+LOCAL_C_INCLUDES := \
+ bionic \
+ bionic/libstdc++/include \
+ external/gtest/include \
+ external/stlport/stlport \
+
+# Build the binary to $(TARGET_OUT_DATA_NATIVE_TESTS)/$(LOCAL_MODULE)
+# to integrate with auto-test framework.
+include $(BUILD_NATIVE_TEST)
+
+# Include subdirectory makefiles
+# ============================================================
+
+# If we're building with ONE_SHOT_MAKEFILE (mm, mmm), then what the framework
+# team really wants is to build the stuff defined by this makefile.
+ifeq (,$(ONE_SHOT_MAKEFILE))
+include $(call first-makefiles-under,$(LOCAL_PATH))
+endif
--- /dev/null
+/*
+ * Copyright (C) 2011 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 <gtest/gtest.h>
+
+#include <binder/IMemory.h>
+#include <surfaceflinger/ISurfaceComposer.h>
+#include <surfaceflinger/Surface.h>
+#include <surfaceflinger/SurfaceComposerClient.h>
+#include <utils/String8.h>
+
+namespace android {
+
+// Fill an RGBA_8888 formatted surface with a single color.
+static void fillSurfaceRGBA8(const sp<SurfaceControl>& sc,
+ uint8_t r, uint8_t g, uint8_t b) {
+ Surface::SurfaceInfo info;
+ sp<Surface> s = sc->getSurface();
+ ASSERT_TRUE(s != NULL);
+ ASSERT_EQ(NO_ERROR, s->lock(&info));
+ uint8_t* img = reinterpret_cast<uint8_t*>(info.bits);
+ for (uint32_t y = 0; y < info.h; y++) {
+ for (uint32_t x = 0; x < info.w; x++) {
+ uint8_t* pixel = img + (4 * (y*info.s + x));
+ pixel[0] = r;
+ pixel[1] = g;
+ pixel[2] = b;
+ pixel[3] = 255;
+ }
+ }
+ ASSERT_EQ(NO_ERROR, s->unlockAndPost());
+}
+
+// A ScreenCapture is a screenshot from SurfaceFlinger that can be used to check
+// individual pixel values for testing purposes.
+class ScreenCapture : public RefBase {
+public:
+ static void captureScreen(sp<ScreenCapture>* sc) {
+ sp<IMemoryHeap> heap;
+ uint32_t w=0, h=0;
+ PixelFormat fmt=0;
+ sp<ISurfaceComposer> sf(ComposerService::getComposerService());
+ ASSERT_EQ(NO_ERROR, sf->captureScreen(0, &heap, &w, &h, &fmt, 0, 0,
+ 0, INT_MAX));
+ ASSERT_TRUE(heap != NULL);
+ ASSERT_EQ(PIXEL_FORMAT_RGBA_8888, fmt);
+ *sc = new ScreenCapture(w, h, heap);
+ }
+
+ void checkPixel(uint32_t x, uint32_t y, uint8_t r, uint8_t g, uint8_t b) {
+ const uint8_t* img = reinterpret_cast<const uint8_t*>(mHeap->base());
+ const uint8_t* pixel = img + (4 * (y*mWidth + x));
+ if (r != pixel[0] || g != pixel[1] || b != pixel[2]) {
+ String8 err(String8::format("pixel @ (%3d, %3d): "
+ "expected [%3d, %3d, %3d], got [%3d, %3d, %3d]",
+ x, y, r, g, b, pixel[0], pixel[1], pixel[2]));
+ EXPECT_EQ(String8(), err);
+ }
+ }
+
+private:
+ ScreenCapture(uint32_t w, uint32_t h, const sp<IMemoryHeap>& heap) :
+ mWidth(w),
+ mHeight(h),
+ mHeap(heap)
+ {}
+
+ const uint32_t mWidth;
+ const uint32_t mHeight;
+ sp<IMemoryHeap> mHeap;
+};
+
+class LayerUpdateTest : public ::testing::Test {
+protected:
+ virtual void SetUp() {
+ mComposerClient = new SurfaceComposerClient;
+ ASSERT_EQ(NO_ERROR, mComposerClient->initCheck());
+
+ ssize_t displayWidth = mComposerClient->getDisplayWidth(0);
+ ssize_t displayHeight = mComposerClient->getDisplayHeight(0);
+
+ // Background surface
+ mBGSurfaceControl = mComposerClient->createSurface(
+ String8("BG Test Surface"), 0, displayWidth, displayHeight,
+ PIXEL_FORMAT_RGBA_8888, 0);
+ ASSERT_TRUE(mBGSurfaceControl != NULL);
+ ASSERT_TRUE(mBGSurfaceControl->isValid());
+ fillSurfaceRGBA8(mBGSurfaceControl, 63, 63, 195);
+
+ // Foreground surface
+ mFGSurfaceControl = mComposerClient->createSurface(
+ String8("FG Test Surface"), 0, 64, 64, PIXEL_FORMAT_RGBA_8888, 0);
+ ASSERT_TRUE(mFGSurfaceControl != NULL);
+ ASSERT_TRUE(mFGSurfaceControl->isValid());
+
+ fillSurfaceRGBA8(mFGSurfaceControl, 195, 63, 63);
+
+ // Synchronization surface
+ mSyncSurfaceControl = mComposerClient->createSurface(
+ String8("Sync Test Surface"), 0, 1, 1, PIXEL_FORMAT_RGBA_8888, 0);
+ ASSERT_TRUE(mSyncSurfaceControl != NULL);
+ ASSERT_TRUE(mSyncSurfaceControl->isValid());
+
+ fillSurfaceRGBA8(mSyncSurfaceControl, 31, 31, 31);
+
+ SurfaceComposerClient::openGlobalTransaction();
+
+ ASSERT_EQ(NO_ERROR, mBGSurfaceControl->setLayer(INT_MAX-2));
+ ASSERT_EQ(NO_ERROR, mBGSurfaceControl->show());
+
+ ASSERT_EQ(NO_ERROR, mFGSurfaceControl->setLayer(INT_MAX-1));
+ ASSERT_EQ(NO_ERROR, mFGSurfaceControl->setPosition(64, 64));
+ ASSERT_EQ(NO_ERROR, mFGSurfaceControl->show());
+
+ ASSERT_EQ(NO_ERROR, mSyncSurfaceControl->setLayer(INT_MAX-1));
+ ASSERT_EQ(NO_ERROR, mSyncSurfaceControl->setPosition(displayWidth-2,
+ displayHeight-2));
+ ASSERT_EQ(NO_ERROR, mSyncSurfaceControl->show());
+
+ SurfaceComposerClient::closeGlobalTransaction(true);
+ }
+
+ virtual void TearDown() {
+ mComposerClient->dispose();
+ mBGSurfaceControl = 0;
+ mFGSurfaceControl = 0;
+ mSyncSurfaceControl = 0;
+ mComposerClient = 0;
+ }
+
+ void waitForPostedBuffers() {
+ // Since the sync surface is in synchronous mode (i.e. double buffered)
+ // posting three buffers to it should ensure that at least two
+ // SurfaceFlinger::handlePageFlip calls have been made, which should
+ // guaranteed that a buffer posted to another Surface has been retired.
+ fillSurfaceRGBA8(mSyncSurfaceControl, 31, 31, 31);
+ fillSurfaceRGBA8(mSyncSurfaceControl, 31, 31, 31);
+ fillSurfaceRGBA8(mSyncSurfaceControl, 31, 31, 31);
+ }
+
+ sp<SurfaceComposerClient> mComposerClient;
+ sp<SurfaceControl> mBGSurfaceControl;
+ sp<SurfaceControl> mFGSurfaceControl;
+
+ // This surface is used to ensure that the buffers posted to
+ // mFGSurfaceControl have been picked up by SurfaceFlinger.
+ sp<SurfaceControl> mSyncSurfaceControl;
+};
+
+TEST_F(LayerUpdateTest, LayerMoveWorks) {
+ sp<ScreenCapture> sc;
+ {
+ SCOPED_TRACE("before move");
+ ScreenCapture::captureScreen(&sc);
+ sc->checkPixel( 0, 12, 63, 63, 195);
+ sc->checkPixel( 75, 75, 195, 63, 63);
+ sc->checkPixel(145, 145, 63, 63, 195);
+ }
+
+ SurfaceComposerClient::openGlobalTransaction();
+ ASSERT_EQ(NO_ERROR, mFGSurfaceControl->setPosition(128, 128));
+ SurfaceComposerClient::closeGlobalTransaction(true);
+ {
+ // This should reflect the new position, but not the new color.
+ SCOPED_TRACE("after move, before redraw");
+ ScreenCapture::captureScreen(&sc);
+ sc->checkPixel( 24, 24, 63, 63, 195);
+ sc->checkPixel( 75, 75, 63, 63, 195);
+ sc->checkPixel(145, 145, 195, 63, 63);
+ }
+
+ fillSurfaceRGBA8(mFGSurfaceControl, 63, 195, 63);
+ waitForPostedBuffers();
+ {
+ // This should reflect the new position and the new color.
+ SCOPED_TRACE("after redraw");
+ ScreenCapture::captureScreen(&sc);
+ sc->checkPixel( 24, 24, 63, 63, 195);
+ sc->checkPixel( 75, 75, 63, 63, 195);
+ sc->checkPixel(145, 145, 63, 195, 63);
+ }
+}
+
+TEST_F(LayerUpdateTest, LayerResizeWorks) {
+ sp<ScreenCapture> sc;
+ {
+ SCOPED_TRACE("before resize");
+ ScreenCapture::captureScreen(&sc);
+ sc->checkPixel( 0, 12, 63, 63, 195);
+ sc->checkPixel( 75, 75, 195, 63, 63);
+ sc->checkPixel(145, 145, 63, 63, 195);
+ }
+
+ LOGD("resizing");
+ SurfaceComposerClient::openGlobalTransaction();
+ ASSERT_EQ(NO_ERROR, mFGSurfaceControl->setSize(128, 128));
+ SurfaceComposerClient::closeGlobalTransaction(true);
+ LOGD("resized");
+ {
+ // This should not reflect the new size or color because SurfaceFlinger
+ // has not yet received a buffer of the correct size.
+ SCOPED_TRACE("after resize, before redraw");
+ ScreenCapture::captureScreen(&sc);
+ sc->checkPixel( 0, 12, 63, 63, 195);
+ sc->checkPixel( 75, 75, 195, 63, 63);
+ sc->checkPixel(145, 145, 63, 63, 195);
+ }
+
+ LOGD("drawing");
+ fillSurfaceRGBA8(mFGSurfaceControl, 63, 195, 63);
+ waitForPostedBuffers();
+ LOGD("drawn");
+ {
+ // This should reflect the new size and the new color.
+ SCOPED_TRACE("after redraw");
+ ScreenCapture::captureScreen(&sc);
+ sc->checkPixel( 24, 24, 63, 63, 195);
+ sc->checkPixel( 75, 75, 63, 195, 63);
+ sc->checkPixel(145, 145, 63, 195, 63);
+ }
+}
+
+}
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