#include <system/window.h>
namespace android {
-// ---------------------------------------------------------------------------
-
-IGraphicBufferConsumer::BufferItem::BufferItem() :
- mTransform(0),
- mScalingMode(NATIVE_WINDOW_SCALING_MODE_FREEZE),
- mTimestamp(0),
- mIsAutoTimestamp(false),
- mDataSpace(HAL_DATASPACE_UNKNOWN),
- mFrameNumber(0),
- mBuf(INVALID_BUFFER_SLOT),
- mIsDroppable(false),
- mAcquireCalled(false),
- mTransformToDisplayInverse(false) {
- mCrop.makeInvalid();
-}
-
-size_t IGraphicBufferConsumer::BufferItem::getPodSize() const {
- size_t c = sizeof(mCrop) +
- sizeof(mTransform) +
- sizeof(mScalingMode) +
- sizeof(mTimestamp) +
- sizeof(mIsAutoTimestamp) +
- sizeof(mDataSpace) +
- sizeof(mFrameNumber) +
- sizeof(mBuf) +
- sizeof(mIsDroppable) +
- sizeof(mAcquireCalled) +
- sizeof(mTransformToDisplayInverse);
- return c;
-}
-
-size_t IGraphicBufferConsumer::BufferItem::getFlattenedSize() const {
- size_t c = 0;
- if (mGraphicBuffer != 0) {
- c += mGraphicBuffer->getFlattenedSize();
- c = FlattenableUtils::align<4>(c);
- }
- if (mFence != 0) {
- c += mFence->getFlattenedSize();
- c = 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;
-}
-
-static void writeBoolAsInt(void*& buffer, size_t& size, bool b) {
- FlattenableUtils::write(buffer, size, static_cast<int32_t>(b));
-}
-
-static bool readBoolFromInt(void const*& buffer, size_t& size) {
- int32_t i;
- FlattenableUtils::read(buffer, size, i);
- return static_cast<bool>(i);
-}
-
-status_t IGraphicBufferConsumer::BufferItem::flatten(
- void*& buffer, size_t& size, int*& fds, size_t& count) const {
-
- // make sure we have enough space
- if (size < 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);
- writeBoolAsInt(buffer, size, mIsAutoTimestamp);
- FlattenableUtils::write(buffer, size, mDataSpace);
- FlattenableUtils::write(buffer, size, mFrameNumber);
- FlattenableUtils::write(buffer, size, mBuf);
- writeBoolAsInt(buffer, size, mIsDroppable);
- writeBoolAsInt(buffer, size, mAcquireCalled);
- writeBoolAsInt(buffer, size, mTransformToDisplayInverse);
-
- 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);
- mIsAutoTimestamp = readBoolFromInt(buffer, size);
- FlattenableUtils::read(buffer, size, mDataSpace);
- FlattenableUtils::read(buffer, size, mFrameNumber);
- FlattenableUtils::read(buffer, size, mBuf);
- mIsDroppable = readBoolFromInt(buffer, size);
- mAcquireCalled = readBoolFromInt(buffer, size);
- mTransformToDisplayInverse = readBoolFromInt(buffer, size);
-
- return NO_ERROR;
-}
-
-// ---------------------------------------------------------------------------
enum {
ACQUIRE_BUFFER = IBinder::FIRST_CALL_TRANSACTION,
virtual ~BpGraphicBufferConsumer();
- virtual status_t acquireBuffer(BufferItem *buffer, nsecs_t presentWhen) {
+ virtual status_t acquireBuffer(BufferItem *buffer, nsecs_t presentWhen,
+ uint64_t maxFrameNumber) {
Parcel data, reply;
data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
data.writeInt64(presentWhen);
+ data.writeUint64(maxFrameNumber);
status_t result = remote()->transact(ACQUIRE_BUFFER, data, &reply);
if (result != NO_ERROR) {
return result;
return reply.readInt32();
}
- virtual status_t acquireBuffer(android::BufferItem* buffer,
- nsecs_t presentWhen) {
- if (buffer == nullptr) {
- return BAD_VALUE;
- }
-
- BufferItem item;
- status_t result = acquireBuffer(&item, presentWhen);
- if (result != NO_ERROR) {
- return result;
- }
- *buffer = item;
- return NO_ERROR;
- }
-
virtual status_t detachBuffer(int slot) {
Parcel data, reply;
data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
BufferItem item;
int64_t presentWhen = data.readInt64();
- status_t result = acquireBuffer(&item, presentWhen);
+ uint64_t maxFrameNumber = data.readUint64();
+ status_t result = acquireBuffer(&item, presentWhen, maxFrameNumber);
status_t err = reply->write(item);
if (err) return err;
reply->writeInt32(result);
CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
sp<GraphicBuffer> buffer = new GraphicBuffer();
data.read(*buffer.get());
- int slot;
+ int slot = -1;
int result = attachBuffer(&slot, buffer);
reply->writeInt32(slot);
reply->writeInt32(result);
}
case GET_RELEASED_BUFFERS: {
CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
- uint64_t slotMask;
+ uint64_t slotMask = 0;
status_t result = getReleasedBuffers(&slotMask);
reply->writeInt64(static_cast<int64_t>(slotMask));
reply->writeInt32(result);
reply->writeInt32(result);
return NO_ERROR;
}
+ case GET_SIDEBAND_STREAM: {
+ CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
+ sp<NativeHandle> stream = getSidebandStream();
+ reply->writeInt32(static_cast<int32_t>(stream != NULL));
+ if (stream != NULL) {
+ reply->writeNativeHandle(stream->handle());
+ }
+ return NO_ERROR;
+ }
case DUMP: {
CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
String8 result = data.readString8();
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