546 lines
19 KiB
C++
546 lines
19 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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#define EGL_EGLEXT_PROTOTYPES
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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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/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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// ---------------------------------------------------------------------------
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IGraphicBufferConsumer::BufferItem::BufferItem() :
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mTransform(0),
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mScalingMode(NATIVE_WINDOW_SCALING_MODE_FREEZE),
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mTimestamp(0),
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mIsAutoTimestamp(false),
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mFrameNumber(0),
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mBuf(INVALID_BUFFER_SLOT),
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mIsDroppable(false),
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mAcquireCalled(false),
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mTransformToDisplayInverse(false) {
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mCrop.makeInvalid();
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}
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size_t IGraphicBufferConsumer::BufferItem::getPodSize() const {
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size_t c = sizeof(mCrop) +
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sizeof(mTransform) +
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sizeof(mScalingMode) +
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sizeof(mTimestamp) +
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sizeof(mIsAutoTimestamp) +
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sizeof(mFrameNumber) +
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sizeof(mBuf) +
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sizeof(mIsDroppable) +
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sizeof(mAcquireCalled) +
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sizeof(mTransformToDisplayInverse);
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return c;
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}
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size_t IGraphicBufferConsumer::BufferItem::getFlattenedSize() const {
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size_t c = 0;
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if (mGraphicBuffer != 0) {
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c += mGraphicBuffer->getFlattenedSize();
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FlattenableUtils::align<4>(c);
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}
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if (mFence != 0) {
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c += mFence->getFlattenedSize();
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FlattenableUtils::align<4>(c);
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}
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return sizeof(int32_t) + c + getPodSize();
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}
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size_t IGraphicBufferConsumer::BufferItem::getFdCount() const {
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size_t c = 0;
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if (mGraphicBuffer != 0) {
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c += mGraphicBuffer->getFdCount();
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}
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if (mFence != 0) {
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c += mFence->getFdCount();
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}
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return c;
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}
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status_t IGraphicBufferConsumer::BufferItem::flatten(
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void*& buffer, size_t& size, int*& fds, size_t& count) const {
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// make sure we have enough space
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if (count < BufferItem::getFlattenedSize()) {
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return NO_MEMORY;
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}
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// content flags are stored first
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uint32_t& flags = *static_cast<uint32_t*>(buffer);
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// advance the pointer
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FlattenableUtils::advance(buffer, size, sizeof(uint32_t));
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flags = 0;
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if (mGraphicBuffer != 0) {
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status_t err = mGraphicBuffer->flatten(buffer, size, fds, count);
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if (err) return err;
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size -= FlattenableUtils::align<4>(buffer);
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flags |= 1;
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}
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if (mFence != 0) {
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status_t err = mFence->flatten(buffer, size, fds, count);
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if (err) return err;
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size -= FlattenableUtils::align<4>(buffer);
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flags |= 2;
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}
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// check we have enough space (in case flattening the fence/graphicbuffer lied to us)
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if (size < getPodSize()) {
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return NO_MEMORY;
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}
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FlattenableUtils::write(buffer, size, mCrop);
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FlattenableUtils::write(buffer, size, mTransform);
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FlattenableUtils::write(buffer, size, mScalingMode);
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FlattenableUtils::write(buffer, size, mTimestamp);
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FlattenableUtils::write(buffer, size, mIsAutoTimestamp);
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FlattenableUtils::write(buffer, size, mFrameNumber);
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FlattenableUtils::write(buffer, size, mBuf);
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FlattenableUtils::write(buffer, size, mIsDroppable);
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FlattenableUtils::write(buffer, size, mAcquireCalled);
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FlattenableUtils::write(buffer, size, mTransformToDisplayInverse);
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return NO_ERROR;
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}
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status_t IGraphicBufferConsumer::BufferItem::unflatten(
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void const*& buffer, size_t& size, int const*& fds, size_t& count) {
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if (size < sizeof(uint32_t))
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return NO_MEMORY;
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uint32_t flags = 0;
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FlattenableUtils::read(buffer, size, flags);
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if (flags & 1) {
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mGraphicBuffer = new GraphicBuffer();
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status_t err = mGraphicBuffer->unflatten(buffer, size, fds, count);
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if (err) return err;
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size -= FlattenableUtils::align<4>(buffer);
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}
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if (flags & 2) {
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mFence = new Fence();
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status_t err = mFence->unflatten(buffer, size, fds, count);
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if (err) return err;
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size -= FlattenableUtils::align<4>(buffer);
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}
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// check we have enough space
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if (size < getPodSize()) {
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return NO_MEMORY;
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}
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FlattenableUtils::read(buffer, size, mCrop);
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FlattenableUtils::read(buffer, size, mTransform);
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FlattenableUtils::read(buffer, size, mScalingMode);
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FlattenableUtils::read(buffer, size, mTimestamp);
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FlattenableUtils::read(buffer, size, mIsAutoTimestamp);
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FlattenableUtils::read(buffer, size, mFrameNumber);
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FlattenableUtils::read(buffer, size, mBuf);
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FlattenableUtils::read(buffer, size, mIsDroppable);
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FlattenableUtils::read(buffer, size, mAcquireCalled);
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FlattenableUtils::read(buffer, size, mTransformToDisplayInverse);
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return NO_ERROR;
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}
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// ---------------------------------------------------------------------------
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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_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 status_t acquireBuffer(BufferItem *buffer, nsecs_t presentWhen) {
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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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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(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(consumer->asBinder());
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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(uint32_t* slotMask) {
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Parcel data, reply;
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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 = reply.readInt32();
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return reply.readInt32();
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}
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virtual status_t setDefaultBufferSize(uint32_t w, uint32_t h) {
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Parcel data, reply;
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data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
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data.writeInt32(w);
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data.writeInt32(h);
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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(uint32_t defaultFormat) {
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Parcel data, reply;
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data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
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data.writeInt32(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 setConsumerUsageBits(uint32_t usage) {
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Parcel data, reply;
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data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
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data.writeInt32(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.writeInt32(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());
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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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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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status_t result = acquireBuffer(&item, presentWhen);
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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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} break;
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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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} break;
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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;
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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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} break;
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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 = 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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} break;
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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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} break;
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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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} break;
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case GET_RELEASED_BUFFERS: {
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CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
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uint32_t slotMask;
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status_t result = getReleasedBuffers(&slotMask);
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reply->writeInt32(slotMask);
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reply->writeInt32(result);
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return NO_ERROR;
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} break;
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case SET_DEFAULT_BUFFER_SIZE: {
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CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
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uint32_t w = data.readInt32();
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uint32_t h = data.readInt32();
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status_t result = setDefaultBufferSize(w, h);
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reply->writeInt32(result);
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return NO_ERROR;
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} break;
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case SET_DEFAULT_MAX_BUFFER_COUNT: {
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CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
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uint32_t 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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} break;
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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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} break;
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case SET_MAX_ACQUIRED_BUFFER_COUNT: {
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CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
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uint32_t 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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} break;
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case SET_CONSUMER_NAME: {
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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;
|
|
case DUMP: {
|
|
CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
|
|
String8 result = data.readString8();
|
|
String8 prefix = data.readString8();
|
|
static_cast<IGraphicBufferConsumer*>(this)->dump(result, prefix);
|
|
reply->writeString8(result);
|
|
return NO_ERROR;
|
|
}
|
|
}
|
|
return BBinder::onTransact(code, data, reply, flags);
|
|
}
|
|
|
|
}; // namespace android
|