442 lines
16 KiB
C++
442 lines
16 KiB
C++
/*
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* Copyright (C) 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdint.h>
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#include <sys/types.h>
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#include <utils/Errors.h>
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#include <utils/NativeHandle.h>
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#include <binder/Parcel.h>
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#include <binder/IInterface.h>
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#include <gui/BufferItem.h>
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#include <gui/IConsumerListener.h>
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#include <gui/IGraphicBufferConsumer.h>
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#include <ui/GraphicBuffer.h>
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#include <ui/Fence.h>
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#include <system/window.h>
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namespace android {
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enum {
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ACQUIRE_BUFFER = IBinder::FIRST_CALL_TRANSACTION,
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DETACH_BUFFER,
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ATTACH_BUFFER,
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RELEASE_BUFFER,
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CONSUMER_CONNECT,
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CONSUMER_DISCONNECT,
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GET_RELEASED_BUFFERS,
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SET_DEFAULT_BUFFER_SIZE,
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SET_DEFAULT_MAX_BUFFER_COUNT,
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DISABLE_ASYNC_BUFFER,
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SET_MAX_ACQUIRED_BUFFER_COUNT,
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SET_CONSUMER_NAME,
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SET_DEFAULT_BUFFER_FORMAT,
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SET_DEFAULT_BUFFER_DATA_SPACE,
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SET_CONSUMER_USAGE_BITS,
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SET_TRANSFORM_HINT,
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GET_SIDEBAND_STREAM,
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DUMP,
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};
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class BpGraphicBufferConsumer : public BpInterface<IGraphicBufferConsumer>
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{
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public:
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BpGraphicBufferConsumer(const sp<IBinder>& impl)
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: BpInterface<IGraphicBufferConsumer>(impl)
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{
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}
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virtual ~BpGraphicBufferConsumer();
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virtual status_t acquireBuffer(BufferItem *buffer, nsecs_t presentWhen,
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uint64_t maxFrameNumber) {
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Parcel data, reply;
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data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
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data.writeInt64(presentWhen);
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data.writeUint64(maxFrameNumber);
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status_t result = remote()->transact(ACQUIRE_BUFFER, data, &reply);
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if (result != NO_ERROR) {
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return result;
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}
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result = reply.read(*buffer);
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if (result != NO_ERROR) {
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return result;
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}
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return reply.readInt32();
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}
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virtual status_t detachBuffer(int slot) {
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Parcel data, reply;
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data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
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data.writeInt32(slot);
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status_t result = remote()->transact(DETACH_BUFFER, data, &reply);
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if (result != NO_ERROR) {
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return result;
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}
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result = reply.readInt32();
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return result;
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}
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virtual status_t attachBuffer(int* slot, const sp<GraphicBuffer>& buffer) {
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Parcel data, reply;
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data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
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data.write(*buffer.get());
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status_t result = remote()->transact(ATTACH_BUFFER, data, &reply);
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if (result != NO_ERROR) {
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return result;
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}
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*slot = reply.readInt32();
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result = reply.readInt32();
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return result;
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}
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virtual status_t releaseBuffer(int buf, uint64_t frameNumber,
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EGLDisplay display __attribute__((unused)), EGLSyncKHR fence __attribute__((unused)),
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const sp<Fence>& releaseFence) {
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Parcel data, reply;
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data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
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data.writeInt32(buf);
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data.writeInt64(static_cast<int64_t>(frameNumber));
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data.write(*releaseFence);
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status_t result = remote()->transact(RELEASE_BUFFER, data, &reply);
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if (result != NO_ERROR) {
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return result;
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}
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return reply.readInt32();
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}
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virtual status_t consumerConnect(const sp<IConsumerListener>& consumer, bool controlledByApp) {
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Parcel data, reply;
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data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
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data.writeStrongBinder(IInterface::asBinder(consumer));
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data.writeInt32(controlledByApp);
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status_t result = remote()->transact(CONSUMER_CONNECT, data, &reply);
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if (result != NO_ERROR) {
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return result;
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}
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return reply.readInt32();
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}
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virtual status_t consumerDisconnect() {
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Parcel data, reply;
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data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
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status_t result = remote()->transact(CONSUMER_DISCONNECT, data, &reply);
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if (result != NO_ERROR) {
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return result;
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}
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return reply.readInt32();
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}
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virtual status_t getReleasedBuffers(uint64_t* slotMask) {
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Parcel data, reply;
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if (slotMask == NULL) {
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ALOGE("getReleasedBuffers: slotMask must not be NULL");
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return BAD_VALUE;
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}
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data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
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status_t result = remote()->transact(GET_RELEASED_BUFFERS, data, &reply);
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if (result != NO_ERROR) {
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return result;
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}
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*slotMask = static_cast<uint64_t>(reply.readInt64());
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return reply.readInt32();
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}
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virtual status_t setDefaultBufferSize(uint32_t width, uint32_t height) {
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Parcel data, reply;
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data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
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data.writeUint32(width);
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data.writeUint32(height);
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status_t result = remote()->transact(SET_DEFAULT_BUFFER_SIZE, data, &reply);
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if (result != NO_ERROR) {
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return result;
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}
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return reply.readInt32();
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}
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virtual status_t setDefaultMaxBufferCount(int bufferCount) {
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Parcel data, reply;
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data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
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data.writeInt32(bufferCount);
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status_t result = remote()->transact(SET_DEFAULT_MAX_BUFFER_COUNT, data, &reply);
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if (result != NO_ERROR) {
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return result;
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}
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return reply.readInt32();
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}
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virtual status_t disableAsyncBuffer() {
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Parcel data, reply;
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data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
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status_t result = remote()->transact(DISABLE_ASYNC_BUFFER, data, &reply);
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if (result != NO_ERROR) {
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return result;
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}
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return reply.readInt32();
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}
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virtual status_t setMaxAcquiredBufferCount(int maxAcquiredBuffers) {
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Parcel data, reply;
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data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
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data.writeInt32(maxAcquiredBuffers);
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status_t result = remote()->transact(SET_MAX_ACQUIRED_BUFFER_COUNT, data, &reply);
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if (result != NO_ERROR) {
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return result;
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}
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return reply.readInt32();
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}
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virtual void setConsumerName(const String8& name) {
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Parcel data, reply;
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data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
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data.writeString8(name);
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remote()->transact(SET_CONSUMER_NAME, data, &reply);
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}
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virtual status_t setDefaultBufferFormat(PixelFormat defaultFormat) {
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Parcel data, reply;
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data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
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data.writeInt32(static_cast<int32_t>(defaultFormat));
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status_t result = remote()->transact(SET_DEFAULT_BUFFER_FORMAT, data, &reply);
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if (result != NO_ERROR) {
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return result;
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}
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return reply.readInt32();
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}
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virtual status_t setDefaultBufferDataSpace(
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android_dataspace defaultDataSpace) {
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Parcel data, reply;
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data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
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data.writeInt32(static_cast<int32_t>(defaultDataSpace));
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status_t result = remote()->transact(SET_DEFAULT_BUFFER_DATA_SPACE,
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data, &reply);
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if (result != NO_ERROR) {
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return result;
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}
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return reply.readInt32();
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}
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virtual status_t setConsumerUsageBits(uint32_t usage) {
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Parcel data, reply;
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data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
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data.writeUint32(usage);
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status_t result = remote()->transact(SET_CONSUMER_USAGE_BITS, data, &reply);
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if (result != NO_ERROR) {
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return result;
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}
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return reply.readInt32();
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}
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virtual status_t setTransformHint(uint32_t hint) {
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Parcel data, reply;
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data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
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data.writeUint32(hint);
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status_t result = remote()->transact(SET_TRANSFORM_HINT, data, &reply);
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if (result != NO_ERROR) {
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return result;
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}
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return reply.readInt32();
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}
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virtual sp<NativeHandle> getSidebandStream() const {
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Parcel data, reply;
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status_t err;
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data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
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if ((err = remote()->transact(GET_SIDEBAND_STREAM, data, &reply)) != NO_ERROR) {
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return NULL;
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}
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sp<NativeHandle> stream;
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if (reply.readInt32()) {
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stream = NativeHandle::create(reply.readNativeHandle(), true);
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}
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return stream;
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}
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virtual void dump(String8& result, const char* prefix) const {
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Parcel data, reply;
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data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
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data.writeString8(result);
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data.writeString8(String8(prefix ? prefix : ""));
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remote()->transact(DUMP, data, &reply);
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reply.readString8();
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}
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};
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// Out-of-line virtual method definition to trigger vtable emission in this
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// translation unit (see clang warning -Wweak-vtables)
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BpGraphicBufferConsumer::~BpGraphicBufferConsumer() {}
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IMPLEMENT_META_INTERFACE(GraphicBufferConsumer, "android.gui.IGraphicBufferConsumer");
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// ----------------------------------------------------------------------
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status_t BnGraphicBufferConsumer::onTransact(
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uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
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{
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switch(code) {
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case ACQUIRE_BUFFER: {
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CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
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BufferItem item;
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int64_t presentWhen = data.readInt64();
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uint64_t maxFrameNumber = data.readUint64();
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status_t result = acquireBuffer(&item, presentWhen, maxFrameNumber);
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status_t err = reply->write(item);
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if (err) return err;
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reply->writeInt32(result);
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return NO_ERROR;
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}
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case DETACH_BUFFER: {
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CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
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int slot = data.readInt32();
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int result = detachBuffer(slot);
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reply->writeInt32(result);
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return NO_ERROR;
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}
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case ATTACH_BUFFER: {
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CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
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sp<GraphicBuffer> buffer = new GraphicBuffer();
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data.read(*buffer.get());
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int slot = -1;
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int result = attachBuffer(&slot, buffer);
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reply->writeInt32(slot);
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reply->writeInt32(result);
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return NO_ERROR;
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}
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case RELEASE_BUFFER: {
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CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
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int buf = data.readInt32();
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uint64_t frameNumber = static_cast<uint64_t>(data.readInt64());
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sp<Fence> releaseFence = new Fence();
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status_t err = data.read(*releaseFence);
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if (err) return err;
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status_t result = releaseBuffer(buf, frameNumber,
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EGL_NO_DISPLAY, EGL_NO_SYNC_KHR, releaseFence);
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reply->writeInt32(result);
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return NO_ERROR;
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}
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case CONSUMER_CONNECT: {
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CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
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sp<IConsumerListener> consumer = IConsumerListener::asInterface( data.readStrongBinder() );
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bool controlledByApp = data.readInt32();
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status_t result = consumerConnect(consumer, controlledByApp);
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reply->writeInt32(result);
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return NO_ERROR;
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}
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case CONSUMER_DISCONNECT: {
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CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
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status_t result = consumerDisconnect();
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reply->writeInt32(result);
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return NO_ERROR;
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}
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case GET_RELEASED_BUFFERS: {
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CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
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uint64_t slotMask = 0;
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status_t result = getReleasedBuffers(&slotMask);
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reply->writeInt64(static_cast<int64_t>(slotMask));
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reply->writeInt32(result);
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return NO_ERROR;
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}
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case SET_DEFAULT_BUFFER_SIZE: {
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CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
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uint32_t width = data.readUint32();
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uint32_t height = data.readUint32();
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status_t result = setDefaultBufferSize(width, height);
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reply->writeInt32(result);
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return NO_ERROR;
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}
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case SET_DEFAULT_MAX_BUFFER_COUNT: {
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CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
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int bufferCount = data.readInt32();
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status_t result = setDefaultMaxBufferCount(bufferCount);
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reply->writeInt32(result);
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return NO_ERROR;
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}
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case DISABLE_ASYNC_BUFFER: {
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CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
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status_t result = disableAsyncBuffer();
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reply->writeInt32(result);
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return NO_ERROR;
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}
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case SET_MAX_ACQUIRED_BUFFER_COUNT: {
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CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
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int maxAcquiredBuffers = data.readInt32();
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status_t result = setMaxAcquiredBufferCount(maxAcquiredBuffers);
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reply->writeInt32(result);
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return NO_ERROR;
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}
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case SET_CONSUMER_NAME: {
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CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
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setConsumerName( data.readString8() );
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return NO_ERROR;
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}
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case SET_DEFAULT_BUFFER_FORMAT: {
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CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
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PixelFormat defaultFormat = static_cast<PixelFormat>(data.readInt32());
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status_t result = setDefaultBufferFormat(defaultFormat);
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reply->writeInt32(result);
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return NO_ERROR;
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}
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case SET_DEFAULT_BUFFER_DATA_SPACE: {
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CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
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android_dataspace defaultDataSpace =
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static_cast<android_dataspace>(data.readInt32());
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status_t result = setDefaultBufferDataSpace(defaultDataSpace);
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reply->writeInt32(result);
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return NO_ERROR;
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}
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case SET_CONSUMER_USAGE_BITS: {
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CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
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uint32_t usage = data.readUint32();
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status_t result = setConsumerUsageBits(usage);
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reply->writeInt32(result);
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return NO_ERROR;
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}
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case SET_TRANSFORM_HINT: {
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CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
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uint32_t hint = data.readUint32();
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status_t result = setTransformHint(hint);
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reply->writeInt32(result);
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return NO_ERROR;
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}
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case GET_SIDEBAND_STREAM: {
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CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
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sp<NativeHandle> stream = getSidebandStream();
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reply->writeInt32(static_cast<int32_t>(stream != NULL));
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if (stream != NULL) {
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reply->writeNativeHandle(stream->handle());
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}
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return NO_ERROR;
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}
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case DUMP: {
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CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
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String8 result = data.readString8();
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String8 prefix = data.readString8();
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static_cast<IGraphicBufferConsumer*>(this)->dump(result, prefix);
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reply->writeString8(result);
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return NO_ERROR;
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}
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}
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return BBinder::onTransact(code, data, reply, flags);
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}
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}; // namespace android
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