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Binderize the consumer side of BufferQueue 

While currently untested, this should allow to move the
BuffereQueue in the consumer process and have everything
work as usual.

Bug: 9265647

Change-Id: I9ca8f099f7c65b9a27b7e7a3643b46d1b58eacfc
This commit is contained in:
Mathias Agopian 2013-07-31 20:09:53 -07:00
parent ba93b3f8e4
commit a4e19521ac
14 changed files with 882 additions and 119 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

137
include/gui/BufferQueue.h
View File

@ -20,8 +20,10 @@
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <gui/IConsumerListener.h>
#include <gui/IGraphicBufferAlloc.h>
#include <gui/IGraphicBufferProducer.h>
#include <gui/IGraphicBufferConsumer.h>
#include <ui/Fence.h>
#include <ui/GraphicBuffer.h>
@ -33,7 +35,7 @@
namespace android {
// ----------------------------------------------------------------------------
class BufferQueue : public BnGraphicBufferProducer {
class BufferQueue : public BnGraphicBufferProducer, public BnGraphicBufferConsumer {
public:
enum { MIN_UNDEQUEUED_BUFFERS = 2 };
enum { NUM_BUFFER_SLOTS = 32 };
@ -45,31 +47,8 @@ public:
// producer and consumer can run asynchronously.
enum { MAX_MAX_ACQUIRED_BUFFERS = NUM_BUFFER_SLOTS - 2 };
// ConsumerListener is the interface through which the BufferQueue notifies
// the consumer of events that the consumer may wish to react to. Because
// the consumer will generally have a mutex that is locked during calls from
// the consumer to the BufferQueue, these calls from the BufferQueue to the
// consumer *MUST* be called only when the BufferQueue mutex is NOT locked.
struct ConsumerListener : public virtual RefBase {
// onFrameAvailable is called from queueBuffer each time an additional
// frame becomes available for consumption. This means that frames that
// are queued while in asynchronous mode only trigger the callback if no
// previous frames are pending. Frames queued while in synchronous mode
// always trigger the callback.
//
// This is called without any lock held and can be called concurrently
// by multiple threads.
virtual void onFrameAvailable() = 0;
// onBuffersReleased is called to notify the buffer consumer that the
// BufferQueue has released its references to one or more GraphicBuffers
// contained in its slots. The buffer consumer should then call
// BufferQueue::getReleasedBuffers to retrieve the list of buffers
//
// This is called without any lock held and can be called concurrently
// by multiple threads.
virtual void onBuffersReleased() = 0;
};
// for backward source compatibility
typedef ::android::ConsumerListener ConsumerListener;
// ProxyConsumerListener is a ConsumerListener implementation that keeps a weak
// reference to the actual consumer object. It forwards all calls to that
@ -80,19 +59,16 @@ public:
// reference in the BufferQueue class is because we're planning to expose the
// consumer side of a BufferQueue as a binder interface, which doesn't support
// weak references.
class ProxyConsumerListener : public BufferQueue::ConsumerListener {
class ProxyConsumerListener : public BnConsumerListener {
public:
ProxyConsumerListener(const wp<BufferQueue::ConsumerListener>& consumerListener);
ProxyConsumerListener(const wp<ConsumerListener>& consumerListener);
virtual ~ProxyConsumerListener();
virtual void onFrameAvailable();
virtual void onBuffersReleased();
private:
// mConsumerListener is a weak reference to the ConsumerListener. This is
// mConsumerListener is a weak reference to the IConsumerListener. This is
// the raison d'etre of ProxyConsumerListener.
wp<BufferQueue::ConsumerListener> mConsumerListener;
wp<ConsumerListener> mConsumerListener;
};
@ -102,6 +78,14 @@ public:
BufferQueue(const sp<IGraphicBufferAlloc>& allocator = NULL);
virtual ~BufferQueue();
// dump our state in a String
virtual void dump(String8& result) const;
virtual void dump(String8& result, const char* prefix) const;
/*
* IGraphicBufferProducer interface
*/
// Query native window attributes. The "what" values are enumerated in
// window.h (e.g. NATIVE_WINDOW_FORMAT).
virtual int query(int what, int* value);
@ -216,62 +200,9 @@ public:
// connected to the specified producer API.
virtual status_t disconnect(int api);
// dump our state in a String
virtual void dump(String8& result) const;
virtual void dump(String8& result, const char* prefix) const;
// public facing structure for BufferSlot
struct BufferItem {
BufferItem() :
mTransform(0),
mScalingMode(NATIVE_WINDOW_SCALING_MODE_FREEZE),
mTimestamp(0),
mFrameNumber(0),
mBuf(INVALID_BUFFER_SLOT),
mIsDroppable(false),
mAcquireCalled(false) {
mCrop.makeInvalid();
}
// mGraphicBuffer points to the buffer allocated for this slot, or is NULL
// if the buffer in this slot has been acquired in the past (see
// BufferSlot.mAcquireCalled).
sp<GraphicBuffer> mGraphicBuffer;
// mCrop is the current crop rectangle for this buffer slot.
Rect mCrop;
// mTransform is the current transform flags for this buffer slot.
uint32_t mTransform;
// mScalingMode is the current scaling mode for this buffer slot.
uint32_t mScalingMode;
// mTimestamp is the current timestamp for this buffer slot. This gets
// to set by queueBuffer each time this slot is queued.
int64_t mTimestamp;
// mFrameNumber is the number of the queued frame for this slot.
uint64_t mFrameNumber;
// mBuf is the slot index of this buffer
int mBuf;
// mFence is a fence that will signal when the buffer is idle.
sp<Fence> mFence;
// mIsDroppable whether this buffer was queued with the
// property that it can be replaced by a new buffer for the purpose of
// making sure dequeueBuffer() won't block.
// i.e.: was the BufferQueue in "mDequeueBufferCannotBlock" when this buffer
// was queued.
bool mIsDroppable;
// Indicates whether this buffer has been seen by a consumer yet
bool mAcquireCalled;
};
// The following public functions are the consumer-facing interface
/*
* IGraphicBufferConsumer interface
*/
// acquireBuffer attempts to acquire ownership of the next pending buffer in
// the BufferQueue. If no buffer is pending then it returns -EINVAL. If a
@ -286,7 +217,7 @@ public:
// future, the buffer won't be acquired, and PRESENT_LATER will be
// returned. The presentation time is in nanoseconds, and the time base
// is CLOCK_MONOTONIC.
status_t acquireBuffer(BufferItem *buffer, nsecs_t presentWhen);
virtual status_t acquireBuffer(BufferItem *buffer, nsecs_t presentWhen);
// releaseBuffer releases a buffer slot from the consumer back to the
// BufferQueue. This may be done while the buffer's contents are still
@ -300,7 +231,7 @@ public:
//
// Note that the dependencies on EGL will be removed once we switch to using
// the Android HW Sync HAL.
status_t releaseBuffer(int buf, uint64_t frameNumber,
virtual status_t releaseBuffer(int buf, uint64_t frameNumber,
EGLDisplay display, EGLSyncKHR fence,
const sp<Fence>& releaseFence);
@ -312,25 +243,25 @@ public:
// the application.
//
// consumer may not be NULL.
status_t consumerConnect(const sp<ConsumerListener>& consumer, bool controlledByApp);
virtual status_t consumerConnect(const sp<IConsumerListener>& consumer, bool controlledByApp);
// consumerDisconnect disconnects a consumer from the BufferQueue. All
// buffers will be freed and the BufferQueue is placed in the "abandoned"
// state, causing most interactions with the BufferQueue by the producer to
// fail.
status_t consumerDisconnect();
virtual status_t consumerDisconnect();
// getReleasedBuffers sets the value pointed to by slotMask to a bit mask
// indicating which buffer slots have been released by the BufferQueue
// but have not yet been released by the consumer.
//
// This should be called from the onBuffersReleased() callback.
status_t getReleasedBuffers(uint32_t* slotMask);
virtual status_t getReleasedBuffers(uint32_t* slotMask);
// setDefaultBufferSize is used to set the size of buffers returned by
// dequeueBuffer when a width and height of zero is requested. Default
// is 1x1.
status_t setDefaultBufferSize(uint32_t w, uint32_t h);
virtual status_t setDefaultBufferSize(uint32_t w, uint32_t h);
// setDefaultMaxBufferCount sets the default value for the maximum buffer
// count (the initial default is 2). If the producer has requested a
@ -338,38 +269,38 @@ public:
// take effect if the producer sets the count back to zero.
//
// The count must be between 2 and NUM_BUFFER_SLOTS, inclusive.
status_t setDefaultMaxBufferCount(int bufferCount);
virtual status_t setDefaultMaxBufferCount(int bufferCount);
// disableAsyncBuffer disables the extra buffer used in async mode
// (when both producer and consumer have set their "isControlledByApp"
// flag) and has dequeueBuffer() return WOULD_BLOCK instead.
//
// This can only be called before consumerConnect().
status_t disableAsyncBuffer();
virtual status_t disableAsyncBuffer();
// setMaxAcquiredBufferCount sets the maximum number of buffers that can
// be acquired by the consumer at one time (default 1). This call will
// fail if a producer is connected to the BufferQueue.
status_t setMaxAcquiredBufferCount(int maxAcquiredBuffers);
virtual status_t setMaxAcquiredBufferCount(int maxAcquiredBuffers);
// setConsumerName sets the name used in logging
void setConsumerName(const String8& name);
virtual void setConsumerName(const String8& name);
// setDefaultBufferFormat allows the BufferQueue to create
// GraphicBuffers of a defaultFormat if no format is specified
// in dequeueBuffer. Formats are enumerated in graphics.h; the
// initial default is HAL_PIXEL_FORMAT_RGBA_8888.
status_t setDefaultBufferFormat(uint32_t defaultFormat);
virtual status_t setDefaultBufferFormat(uint32_t defaultFormat);
// setConsumerUsageBits will turn on additional usage bits for dequeueBuffer.
// These are merged with the bits passed to dequeueBuffer. The values are
// enumerated in gralloc.h, e.g. GRALLOC_USAGE_HW_RENDER; the default is 0.
status_t setConsumerUsageBits(uint32_t usage);
virtual status_t setConsumerUsageBits(uint32_t usage);
// setTransformHint bakes in rotation to buffers so overlays can be used.
// The values are enumerated in window.h, e.g.
// NATIVE_WINDOW_TRANSFORM_ROT_90. The default is 0 (no transform).
status_t setTransformHint(uint32_t hint);
virtual status_t setTransformHint(uint32_t hint);
private:
@ -560,7 +491,7 @@ private:
// mConsumerListener is used to notify the connected consumer of
// asynchronous events that it may wish to react to. It is initially set
// to NULL and is written by consumerConnect and consumerDisconnect.
sp<ConsumerListener> mConsumerListener;
sp<IConsumerListener> mConsumerListener;
// mConsumerControlledByApp whether the connected consumer is controlled by the
// application.

3
include/gui/ConsumerBase.h
View File

@ -24,6 +24,7 @@
#include <utils/String8.h>
#include <utils/Vector.h>
#include <utils/threads.h>
#include <gui/IConsumerListener.h>
namespace android {
// ----------------------------------------------------------------------------
@ -34,7 +35,7 @@ class String8;
// handles common tasks like management of the connection to the BufferQueue
// and the buffer pool.
class ConsumerBase : public virtual RefBase,
protected BufferQueue::ConsumerListener {
protected ConsumerListener {
public:
struct FrameAvailableListener : public virtual RefBase {
// onFrameAvailable() is called each time an additional frame becomes

83
include/gui/IConsumerListener.h Normal file
View File

@ -0,0 +1,83 @@
/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ANDROID_GUI_ICONSUMERLISTENER_H
#define ANDROID_GUI_ICONSUMERLISTENER_H
#include <stdint.h>
#include <sys/types.h>
#include <utils/Errors.h>
#include <utils/RefBase.h>
#include <binder/IInterface.h>
namespace android {
// ----------------------------------------------------------------------------
// ConsumerListener is the interface through which the BufferQueue notifies
// the consumer of events that the consumer may wish to react to. Because
// the consumer will generally have a mutex that is locked during calls from
// the consumer to the BufferQueue, these calls from the BufferQueue to the
// consumer *MUST* be called only when the BufferQueue mutex is NOT locked.
class ConsumerListener : public virtual RefBase {
public:
ConsumerListener() { }
virtual ~ConsumerListener() { }
// onFrameAvailable is called from queueBuffer each time an additional
// frame becomes available for consumption. This means that frames that
// are queued while in asynchronous mode only trigger the callback if no
// previous frames are pending. Frames queued while in synchronous mode
// always trigger the callback.
//
// This is called without any lock held and can be called concurrently
// by multiple threads.
virtual void onFrameAvailable() = 0; /* Asynchronous */
// onBuffersReleased is called to notify the buffer consumer that the
// BufferQueue has released its references to one or more GraphicBuffers
// contained in its slots. The buffer consumer should then call
// BufferQueue::getReleasedBuffers to retrieve the list of buffers
//
// This is called without any lock held and can be called concurrently
// by multiple threads.
virtual void onBuffersReleased() = 0; /* Asynchronous */
};
class IConsumerListener : public ConsumerListener, public IInterface
{
public:
DECLARE_META_INTERFACE(ConsumerListener);
};
// ----------------------------------------------------------------------------
class BnConsumerListener : public BnInterface<IConsumerListener>
{
public:
virtual status_t onTransact( uint32_t code,
const Parcel& data,
Parcel* reply,
uint32_t flags = 0);
};
// ----------------------------------------------------------------------------
}; // namespace android
#endif // ANDROID_GUI_ICONSUMERLISTENER_H

209
include/gui/IGraphicBufferConsumer.h Normal file
View File

@ -0,0 +1,209 @@
/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ANDROID_GUI_IGRAPHICBUFFERCONSUMER_H
#define ANDROID_GUI_IGRAPHICBUFFERCONSUMER_H
#include <stdint.h>
#include <sys/types.h>
#include <utils/Errors.h>
#include <utils/RefBase.h>
#include <utils/Timers.h>
#include <binder/IInterface.h>
#include <ui/Rect.h>
namespace android {
// ----------------------------------------------------------------------------
class IConsumerListener;
class GraphicBuffer;
class Fence;
class IGraphicBufferConsumer : public IInterface {
public:
// public facing structure for BufferSlot
class BufferItem : public Flattenable<BufferItem> {
friend class Flattenable<BufferItem>;
size_t getPodSize() const;
size_t getFlattenedSize() const;
size_t getFdCount() const;
status_t flatten(void*& buffer, size_t& size, int*& fds, size_t& count) const;
status_t unflatten(void const*& buffer, size_t& size, int const*& fds, size_t& count);
public:
enum { INVALID_BUFFER_SLOT = -1 };
BufferItem();
// mGraphicBuffer points to the buffer allocated for this slot, or is NULL
// if the buffer in this slot has been acquired in the past (see
// BufferSlot.mAcquireCalled).
sp<GraphicBuffer> mGraphicBuffer;
// mFence is a fence that will signal when the buffer is idle.
sp<Fence> mFence;
// mCrop is the current crop rectangle for this buffer slot.
Rect mCrop;
// mTransform is the current transform flags for this buffer slot.
uint32_t mTransform;
// mScalingMode is the current scaling mode for this buffer slot.
uint32_t mScalingMode;
// mTimestamp is the current timestamp for this buffer slot. This gets
// to set by queueBuffer each time this slot is queued.
int64_t mTimestamp;
// mFrameNumber is the number of the queued frame for this slot.
uint64_t mFrameNumber;
// mBuf is the slot index of this buffer
int mBuf;
// mIsDroppable whether this buffer was queued with the
// property that it can be replaced by a new buffer for the purpose of
// making sure dequeueBuffer() won't block.
// i.e.: was the BufferQueue in "mDequeueBufferCannotBlock" when this buffer
// was queued.
bool mIsDroppable;
// Indicates whether this buffer has been seen by a consumer yet
bool mAcquireCalled;
};
// acquireBuffer attempts to acquire ownership of the next pending buffer in
// the BufferQueue. If no buffer is pending then it returns -EINVAL. If a
// buffer is successfully acquired, the information about the buffer is
// returned in BufferItem. If the buffer returned had previously been
// acquired then the BufferItem::mGraphicBuffer field of buffer is set to
// NULL and it is assumed that the consumer still holds a reference to the
// buffer.
//
// If presentWhen is nonzero, it indicates the time when the buffer will
// be displayed on screen. If the buffer's timestamp is farther in the
// future, the buffer won't be acquired, and PRESENT_LATER will be
// returned. The presentation time is in nanoseconds, and the time base
// is CLOCK_MONOTONIC.
virtual status_t acquireBuffer(BufferItem *buffer, nsecs_t presentWhen) = 0;
// releaseBuffer releases a buffer slot from the consumer back to the
// BufferQueue. This may be done while the buffer's contents are still
// being accessed. The fence will signal when the buffer is no longer
// in use. frameNumber is used to indentify the exact buffer returned.
//
// If releaseBuffer returns STALE_BUFFER_SLOT, then the consumer must free
// any references to the just-released buffer that it might have, as if it
// had received a onBuffersReleased() call with a mask set for the released
// buffer.
//
// Note that the dependencies on EGL will be removed once we switch to using
// the Android HW Sync HAL.
virtual status_t releaseBuffer(int buf, uint64_t frameNumber,
EGLDisplay display, EGLSyncKHR fence,
const sp<Fence>& releaseFence) = 0;
// consumerConnect connects a consumer to the BufferQueue. Only one
// consumer may be connected, and when that consumer disconnects the
// BufferQueue is placed into the "abandoned" state, causing most
// interactions with the BufferQueue by the producer to fail.
// controlledByApp indicates whether the consumer is controlled by
// the application.
//
// consumer may not be NULL.
virtual status_t consumerConnect(const sp<IConsumerListener>& consumer, bool controlledByApp) = 0;
// consumerDisconnect disconnects a consumer from the BufferQueue. All
// buffers will be freed and the BufferQueue is placed in the "abandoned"
// state, causing most interactions with the BufferQueue by the producer to
// fail.
virtual status_t consumerDisconnect() = 0;
// getReleasedBuffers sets the value pointed to by slotMask to a bit mask
// indicating which buffer slots have been released by the BufferQueue
// but have not yet been released by the consumer.
//
// This should be called from the onBuffersReleased() callback.
virtual status_t getReleasedBuffers(uint32_t* slotMask) = 0;
// setDefaultBufferSize is used to set the size of buffers returned by
// dequeueBuffer when a width and height of zero is requested. Default
// is 1x1.
virtual status_t setDefaultBufferSize(uint32_t w, uint32_t h) = 0;
// setDefaultMaxBufferCount sets the default value for the maximum buffer
// count (the initial default is 2). If the producer has requested a
// buffer count using setBufferCount, the default buffer count will only
// take effect if the producer sets the count back to zero.
//
// The count must be between 2 and NUM_BUFFER_SLOTS, inclusive.
virtual status_t setDefaultMaxBufferCount(int bufferCount) = 0;
// disableAsyncBuffer disables the extra buffer used in async mode
// (when both producer and consumer have set their "isControlledByApp"
// flag) and has dequeueBuffer() return WOULD_BLOCK instead.
//
// This can only be called before consumerConnect().
virtual status_t disableAsyncBuffer() = 0;
// setMaxAcquiredBufferCount sets the maximum number of buffers that can
// be acquired by the consumer at one time (default 1). This call will
// fail if a producer is connected to the BufferQueue.
virtual status_t setMaxAcquiredBufferCount(int maxAcquiredBuffers) = 0;
// setConsumerName sets the name used in logging
virtual void setConsumerName(const String8& name) = 0;
// setDefaultBufferFormat allows the BufferQueue to create
// GraphicBuffers of a defaultFormat if no format is specified
// in dequeueBuffer. Formats are enumerated in graphics.h; the
// initial default is HAL_PIXEL_FORMAT_RGBA_8888.
virtual status_t setDefaultBufferFormat(uint32_t defaultFormat) = 0;
// setConsumerUsageBits will turn on additional usage bits for dequeueBuffer.
// These are merged with the bits passed to dequeueBuffer. The values are
// enumerated in gralloc.h, e.g. GRALLOC_USAGE_HW_RENDER; the default is 0.
virtual status_t setConsumerUsageBits(uint32_t usage) = 0;
// setTransformHint bakes in rotation to buffers so overlays can be used.
// The values are enumerated in window.h, e.g.
// NATIVE_WINDOW_TRANSFORM_ROT_90. The default is 0 (no transform).
virtual status_t setTransformHint(uint32_t hint) = 0;
public:
DECLARE_META_INTERFACE(GraphicBufferConsumer);
};
// ----------------------------------------------------------------------------
class BnGraphicBufferConsumer : public BnInterface<IGraphicBufferConsumer>
{
public:
virtual status_t onTransact( uint32_t code,
const Parcel& data,
Parcel* reply,
uint32_t flags = 0);
};
// ----------------------------------------------------------------------------
}; // namespace android
#endif // ANDROID_GUI_IGRAPHICBUFFERCONSUMER_H

2
libs/gui/Android.mk
View File

@ -2,6 +2,8 @@ LOCAL_PATH:= $(call my-dir)
include $(CLEAR_VARS)
LOCAL_SRC_FILES:= \
IGraphicBufferConsumer.cpp \
IConsumerListener.cpp \
BitTube.cpp \
BufferItemConsumer.cpp \
BufferQueue.cpp \

15
libs/gui/BufferQueue.cpp
View File

@ -25,6 +25,7 @@
#include <EGL/eglext.h>
#include <gui/BufferQueue.h>
#include <gui/IConsumerListener.h>
#include <gui/ISurfaceComposer.h>
#include <private/gui/ComposerService.h>
@ -138,7 +139,7 @@ status_t BufferQueue::setTransformHint(uint32_t hint) {
status_t BufferQueue::setBufferCount(int bufferCount) {
ST_LOGV("setBufferCount: count=%d", bufferCount);
sp<ConsumerListener> listener;
sp<IConsumerListener> listener;
{
Mutex::Autolock lock(mMutex);
@ -492,7 +493,7 @@ status_t BufferQueue::queueBuffer(int buf,
return -EINVAL;
}
sp<ConsumerListener> listener;
sp<IConsumerListener> listener;
{ // scope for the lock
Mutex::Autolock lock(mMutex);
@ -675,7 +676,7 @@ status_t BufferQueue::disconnect(int api) {
ST_LOGV("disconnect: api=%d", api);
int err = NO_ERROR;
sp<ConsumerListener> listener;
sp<IConsumerListener> listener;
{ // Scope for the lock
Mutex::Autolock lock(mMutex);
@ -951,7 +952,7 @@ status_t BufferQueue::releaseBuffer(
return NO_ERROR;
}
status_t BufferQueue::consumerConnect(const sp<ConsumerListener>& consumerListener,
status_t BufferQueue::consumerConnect(const sp<IConsumerListener>& consumerListener,
bool controlledByApp) {
ST_LOGV("consumerConnect");
Mutex::Autolock lock(mMutex);
@ -1127,20 +1128,20 @@ bool BufferQueue::stillTracking(const BufferItem *item) const {
}
BufferQueue::ProxyConsumerListener::ProxyConsumerListener(
const wp<BufferQueue::ConsumerListener>& consumerListener):
const wp<ConsumerListener>& consumerListener):
mConsumerListener(consumerListener) {}
BufferQueue::ProxyConsumerListener::~ProxyConsumerListener() {}
void BufferQueue::ProxyConsumerListener::onFrameAvailable() {
sp<BufferQueue::ConsumerListener> listener(mConsumerListener.promote());
sp<ConsumerListener> listener(mConsumerListener.promote());
if (listener != NULL) {
listener->onFrameAvailable();
}
}
void BufferQueue::ProxyConsumerListener::onBuffersReleased() {
sp<BufferQueue::ConsumerListener> listener(mConsumerListener.promote());
sp<ConsumerListener> listener(mConsumerListener.promote());
if (listener != NULL) {
listener->onBuffersReleased();
}

6
libs/gui/ConsumerBase.cpp
View File

@ -61,10 +61,8 @@ ConsumerBase::ConsumerBase(const sp<BufferQueue>& bufferQueue, bool controlledBy
// reference once the ctor ends, as that would cause the refcount of 'this'
// dropping to 0 at the end of the ctor. Since all we need is a wp<...>
// that's what we create.
wp<BufferQueue::ConsumerListener> listener;
sp<BufferQueue::ConsumerListener> proxy;
listener = static_cast<BufferQueue::ConsumerListener*>(this);
proxy = new BufferQueue::ProxyConsumerListener(listener);
wp<ConsumerListener> listener = static_cast<ConsumerListener*>(this);
sp<IConsumerListener> proxy = new BufferQueue::ProxyConsumerListener(listener);
status_t err = mBufferQueue->consumerConnect(proxy, controlledByApp);
if (err != NO_ERROR) {

77
libs/gui/IConsumerListener.cpp Normal file
View File

@ -0,0 +1,77 @@
/*
* Copyright (C) 2013 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 <stdint.h>
#include <sys/types.h>
#include <binder/IInterface.h>
#include <binder/Parcel.h>
#include <gui/IConsumerListener.h>
// ---------------------------------------------------------------------------
namespace android {
// ---------------------------------------------------------------------------
enum {
ON_FRAME_AVAILABLE = IBinder::FIRST_CALL_TRANSACTION,
ON_BUFFER_RELEASED
};
class BpConsumerListener : public BpInterface<IConsumerListener>
{
public:
BpConsumerListener(const sp<IBinder>& impl)
: BpInterface<IConsumerListener>(impl) {
}
virtual void onFrameAvailable() {
Parcel data, reply;
data.writeInterfaceToken(IConsumerListener::getInterfaceDescriptor());
remote()->transact(ON_FRAME_AVAILABLE, data, &reply, IBinder::FLAG_ONEWAY);
}
virtual void onBuffersReleased() {
Parcel data, reply;
data.writeInterfaceToken(IConsumerListener::getInterfaceDescriptor());
remote()->transact(ON_BUFFER_RELEASED, data, &reply, IBinder::FLAG_ONEWAY);
}
};
IMPLEMENT_META_INTERFACE(ConsumerListener, "android.gui.IConsumerListener");
// ----------------------------------------------------------------------
status_t BnConsumerListener::onTransact(
uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
switch(code) {
case ON_FRAME_AVAILABLE:
CHECK_INTERFACE(IConsumerListener, data, reply);
onFrameAvailable();
return NO_ERROR;
case ON_BUFFER_RELEASED:
CHECK_INTERFACE(IConsumerListener, data, reply);
onBuffersReleased();
return NO_ERROR;
}
return BBinder::onTransact(code, data, reply, flags);
}
// ---------------------------------------------------------------------------
}; // namespace android
// ---------------------------------------------------------------------------

459
libs/gui/IGraphicBufferConsumer.cpp Normal file
View File

@ -0,0 +1,459 @@
/*
* Copyright (C) 2013 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 EGL_EGLEXT_PROTOTYPES
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <stdint.h>
#include <sys/types.h>
#include <utils/Errors.h>
#include <binder/Parcel.h>
#include <binder/IInterface.h>
#include <gui/IConsumerListener.h>
#include <gui/IGraphicBufferConsumer.h>
#include <ui/GraphicBuffer.h>
#include <ui/Fence.h>
#include <system/window.h>
namespace android {
// ---------------------------------------------------------------------------
IGraphicBufferConsumer::BufferItem::BufferItem() :
mTransform(0),
mScalingMode(NATIVE_WINDOW_SCALING_MODE_FREEZE),
mTimestamp(0),
mFrameNumber(0),
mBuf(INVALID_BUFFER_SLOT),
mIsDroppable(false),
mAcquireCalled(false) {
mCrop.makeInvalid();
}
size_t IGraphicBufferConsumer::BufferItem::getPodSize() const {
size_t c = sizeof(mCrop) +
sizeof(mTransform) +
sizeof(mScalingMode) +
sizeof(mTimestamp) +
sizeof(mFrameNumber) +
sizeof(mBuf) +
sizeof(mIsDroppable) +
sizeof(mAcquireCalled);
return c;
}
size_t IGraphicBufferConsumer::BufferItem::getFlattenedSize() const {
size_t c = 0;
if (mGraphicBuffer != 0) {
c += mGraphicBuffer->getFlattenedSize();
FlattenableUtils::align<4>(c);
}
if (mFence != 0) {
c += mFence->getFlattenedSize();
FlattenableUtils::align<4>(c);
}
return sizeof(int32_t) + c + getPodSize();
}
size_t IGraphicBufferConsumer::BufferItem::getFdCount() const {
size_t c = 0;
if (mGraphicBuffer != 0) {
c += mGraphicBuffer->getFdCount();
}
if (mFence != 0) {
c += mFence->getFdCount();
}
return c;
}
status_t IGraphicBufferConsumer::BufferItem::flatten(
void*& buffer, size_t& size, int*& fds, size_t& count) const {
// make sure we have enough space
if (count < BufferItem::getFlattenedSize()) {
return NO_MEMORY;
}
// content flags are stored first
uint32_t& flags = *static_cast<uint32_t*>(buffer);
// advance the pointer
FlattenableUtils::advance(buffer, size, sizeof(uint32_t));
flags = 0;
if (mGraphicBuffer != 0) {
status_t err = mGraphicBuffer->flatten(buffer, size, fds, count);
if (err) return err;
size -= FlattenableUtils::align<4>(buffer);
flags |= 1;
}
if (mFence != 0) {
status_t err = mFence->flatten(buffer, size, fds, count);
if (err) return err;
size -= FlattenableUtils::align<4>(buffer);
flags |= 2;
}
// check we have enough space (in case flattening the fence/graphicbuffer lied to us)
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, mFrameNumber);
FlattenableUtils::write(buffer, size, mBuf);
FlattenableUtils::write(buffer, size, mIsDroppable);
FlattenableUtils::write(buffer, size, mAcquireCalled);
return NO_ERROR;
}
status_t IGraphicBufferConsumer::BufferItem::unflatten(
void const*& buffer, size_t& size, int const*& fds, size_t& count) {
if (size < sizeof(uint32_t))
return NO_MEMORY;
uint32_t flags = 0;
FlattenableUtils::read(buffer, size, flags);
if (flags & 1) {
mGraphicBuffer = new GraphicBuffer();
status_t err = mGraphicBuffer->unflatten(buffer, size, fds, count);
if (err) return err;
size -= FlattenableUtils::align<4>(buffer);
}
if (flags & 2) {
mFence = new Fence();
status_t err = mFence->unflatten(buffer, size, fds, count);
if (err) return err;
size -= FlattenableUtils::align<4>(buffer);
}
// check we 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, mFrameNumber);
FlattenableUtils::read(buffer, size, mBuf);
FlattenableUtils::read(buffer, size, mIsDroppable);
FlattenableUtils::read(buffer, size, mAcquireCalled);
return NO_ERROR;
}
// ---------------------------------------------------------------------------
enum {
ACQUIRE_BUFFER = IBinder::FIRST_CALL_TRANSACTION,
RELEASE_BUFFER,
CONSUMER_CONNECT,
CONSUMER_DISCONNECT,
GET_RELEASED_BUFFERS,
SET_DEFAULT_BUFFER_SIZE,
SET_DEFAULT_MAX_BUFFER_COUNT,
DISABLE_ASYNC_BUFFER,
SET_MAX_ACQUIRED_BUFFER_COUNT,
SET_CONSUMER_NAME,
SET_DEFAULT_BUFFER_FORMAT,
SET_CONSUMER_USAGE_BITS,
SET_TRANSFORM_HINT
};
class BpGraphicBufferConsumer : public BpInterface<IGraphicBufferConsumer>
{
public:
BpGraphicBufferConsumer(const sp<IBinder>& impl)
: BpInterface<IGraphicBufferConsumer>(impl)
{
}
virtual status_t acquireBuffer(BufferItem *buffer, nsecs_t presentWhen) {
Parcel data, reply;
data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
data.writeInt64(presentWhen);
status_t result = remote()->transact(ACQUIRE_BUFFER, data, &reply);
if (result != NO_ERROR) {
return result;
}
result = reply.read(*buffer);
if (result != NO_ERROR) {
return result;
}
return reply.readInt32();
}
virtual status_t releaseBuffer(int buf, uint64_t frameNumber,
EGLDisplay display, EGLSyncKHR fence,
const sp<Fence>& releaseFence) {
Parcel data, reply;
data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
data.writeInt32(buf);
data.writeInt64(frameNumber);
data.write(*releaseFence);
status_t result = remote()->transact(RELEASE_BUFFER, data, &reply);
if (result != NO_ERROR) {
return result;
}
return reply.readInt32();
}
virtual status_t consumerConnect(const sp<IConsumerListener>& consumer, bool controlledByApp) {
Parcel data, reply;
data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
data.writeStrongBinder(consumer->asBinder());
data.writeInt32(controlledByApp);
status_t result = remote()->transact(CONSUMER_CONNECT, data, &reply);
if (result != NO_ERROR) {
return result;
}
return reply.readInt32();
}
virtual status_t consumerDisconnect() {
Parcel data, reply;
data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
status_t result = remote()->transact(CONSUMER_DISCONNECT, data, &reply);
if (result != NO_ERROR) {
return result;
}
return reply.readInt32();
}
virtual status_t getReleasedBuffers(uint32_t* slotMask) {
Parcel data, reply;
data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
status_t result = remote()->transact(GET_RELEASED_BUFFERS, data, &reply);
if (result != NO_ERROR) {
return result;
}
*slotMask = reply.readInt32();
return reply.readInt32();
}
virtual status_t setDefaultBufferSize(uint32_t w, uint32_t h) {
Parcel data, reply;
data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
data.writeInt32(w);
data.writeInt32(h);
status_t result = remote()->transact(SET_DEFAULT_BUFFER_SIZE, data, &reply);
if (result != NO_ERROR) {
return result;
}
return reply.readInt32();
}
virtual status_t setDefaultMaxBufferCount(int bufferCount) {
Parcel data, reply;
data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
data.writeInt32(bufferCount);
status_t result = remote()->transact(SET_DEFAULT_MAX_BUFFER_COUNT, data, &reply);
if (result != NO_ERROR) {
return result;
}
return reply.readInt32();
}
virtual status_t disableAsyncBuffer() {
Parcel data, reply;
data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
status_t result = remote()->transact(DISABLE_ASYNC_BUFFER, data, &reply);
if (result != NO_ERROR) {
return result;
}
return reply.readInt32();
}
virtual status_t setMaxAcquiredBufferCount(int maxAcquiredBuffers) {
Parcel data, reply;
data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
data.writeInt32(maxAcquiredBuffers);
status_t result = remote()->transact(SET_MAX_ACQUIRED_BUFFER_COUNT, data, &reply);
if (result != NO_ERROR) {
return result;
}
return reply.readInt32();
}
virtual void setConsumerName(const String8& name) {
Parcel data, reply;
data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
data.writeString8(name);
remote()->transact(SET_CONSUMER_NAME, data, &reply);
}
virtual status_t setDefaultBufferFormat(uint32_t defaultFormat) {
Parcel data, reply;
data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
data.writeInt32(defaultFormat);
status_t result = remote()->transact(SET_DEFAULT_BUFFER_FORMAT, data, &reply);
if (result != NO_ERROR) {
return result;
}
return reply.readInt32();
}
virtual status_t setConsumerUsageBits(uint32_t usage) {
Parcel data, reply;
data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
data.writeInt32(usage);
status_t result = remote()->transact(SET_CONSUMER_USAGE_BITS, data, &reply);
if (result != NO_ERROR) {
return result;
}
return reply.readInt32();
}
virtual status_t setTransformHint(uint32_t hint) {
Parcel data, reply;
data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
data.writeInt32(hint);
status_t result = remote()->transact(SET_TRANSFORM_HINT, data, &reply);
if (result != NO_ERROR) {
return result;
}
return reply.readInt32();
}
};
IMPLEMENT_META_INTERFACE(GraphicBufferConsumer, "android.gui.IGraphicBufferConsumer");
// ----------------------------------------------------------------------
status_t BnGraphicBufferConsumer::onTransact(
uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
switch(code) {
case ACQUIRE_BUFFER: {
CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
BufferItem item;
int64_t presentWhen = data.readInt64();
status_t result = acquireBuffer(&item, presentWhen);
status_t err = reply->write(item);
if (err) return err;
reply->writeInt32(result);
return NO_ERROR;
} break;
case RELEASE_BUFFER: {
CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
int buf = data.readInt32();
uint64_t frameNumber = data.readInt64();
sp<Fence> releaseFence = new Fence();
status_t err = data.read(*releaseFence);
if (err) return err;
status_t result = releaseBuffer(buf, frameNumber,
EGL_NO_DISPLAY, EGL_NO_SYNC_KHR, releaseFence);
reply->writeInt32(result);
return NO_ERROR;
} break;
case CONSUMER_CONNECT: {
CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
sp<IConsumerListener> consumer = IConsumerListener::asInterface( data.readStrongBinder() );
bool controlledByApp = data.readInt32();
status_t result = consumerConnect(consumer, controlledByApp);
reply->writeInt32(result);
return NO_ERROR;
} break;
case CONSUMER_DISCONNECT: {
CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
status_t result = consumerDisconnect();
reply->writeInt32(result);
return NO_ERROR;
} break;
case GET_RELEASED_BUFFERS: {
CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
uint32_t slotMask;
status_t result = getReleasedBuffers(&slotMask);
reply->writeInt32(slotMask);
reply->writeInt32(result);
return NO_ERROR;
} break;
case SET_DEFAULT_BUFFER_SIZE: {
CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
uint32_t w = data.readInt32();
uint32_t h = data.readInt32();
status_t result = setDefaultBufferSize(w, h);
reply->writeInt32(result);
return NO_ERROR;
} break;
case SET_DEFAULT_MAX_BUFFER_COUNT: {
CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
uint32_t bufferCount = data.readInt32();
status_t result = setDefaultMaxBufferCount(bufferCount);
reply->writeInt32(result);
return NO_ERROR;
} break;
case DISABLE_ASYNC_BUFFER: {
CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
status_t result = disableAsyncBuffer();
reply->writeInt32(result);
return NO_ERROR;
} break;
case SET_MAX_ACQUIRED_BUFFER_COUNT: {
CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
uint32_t maxAcquiredBuffers = data.readInt32();
status_t result = setMaxAcquiredBufferCount(maxAcquiredBuffers);
reply->writeInt32(result);
return NO_ERROR;
} break;
case SET_CONSUMER_NAME: {
CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
setConsumerName( data.readString8() );
return NO_ERROR;
} break;
case SET_DEFAULT_BUFFER_FORMAT: {
CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
uint32_t defaultFormat = data.readInt32();
status_t result = setDefaultBufferFormat(defaultFormat);
reply->writeInt32(result);
return NO_ERROR;
} break;
case SET_CONSUMER_USAGE_BITS: {
CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
uint32_t usage = data.readInt32();
status_t result = setConsumerUsageBits(usage);
reply->writeInt32(result);
return NO_ERROR;
} break;
case SET_TRANSFORM_HINT: {
CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
uint32_t hint = data.readInt32();
status_t result = setTransformHint(hint);
reply->writeInt32(result);
return NO_ERROR;
} break;
}
return BBinder::onTransact(code, data, reply, flags);
}
}; // namespace android

2
libs/gui/tests/BufferQueue_test.cpp
View File

@ -55,7 +55,7 @@ protected:
sp<BufferQueue> mBQ;
};
struct DummyConsumer : public BufferQueue::ConsumerListener {
struct DummyConsumer : public BnConsumerListener {
virtual void onFrameAvailable() {}
virtual void onBuffersReleased() {}
};

2
libs/gui/tests/SurfaceTexture_test.cpp
View File

@ -628,7 +628,7 @@ protected:
// no way to forward the events. This DisconnectWaiter will not let the
// disconnect finish until finishDisconnect() is called. It will
// also block until a disconnect is called
class DisconnectWaiter : public BufferQueue::ConsumerListener {
class DisconnectWaiter : public BnConsumerListener {
public:
DisconnectWaiter () :
mWaitForDisconnect(false),

1
opengl/tests/EGLTest/Android.mk
View File

@ -13,6 +13,7 @@ LOCAL_SRC_FILES := \
LOCAL_SHARED_LIBRARIES := \
libEGL \
libcutils \
libbinder \
libstlport \
libutils \
libgui \

2
opengl/tests/EGLTest/EGL_test.cpp
View File

@ -100,7 +100,7 @@ TEST_F(EGLTest, EGLTerminateSucceedsWithRemainingObjects) {
};
EXPECT_TRUE(eglChooseConfig(mEglDisplay, attrs, &config, 1, &numConfigs));
struct DummyConsumer : public BufferQueue::ConsumerListener {
struct DummyConsumer : public BnConsumerListener {
virtual void onFrameAvailable() {}
virtual void onBuffersReleased() {}
};

3
services/surfaceflinger/SurfaceTextureLayer.cpp
View File

@ -48,7 +48,8 @@ SurfaceTextureLayer::~SurfaceTextureLayer() {
return true;
}
};
flinger->postMessageAsync( new MessageCleanUpList(flinger, this) );
flinger->postMessageAsync(
new MessageCleanUpList(flinger, static_cast<BnGraphicBufferProducer*>(this)) );
}
// ---------------------------------------------------------------------------