aosp12/frameworks/native/services/vr/bufferhubd/buffer_hub.cpp

350 lines
12 KiB
C++

#include <inttypes.h>
#include <poll.h>
#include <iomanip>
#include <memory>
#include <sstream>
#include <string>
#include <thread>
#include <log/log.h>
#include <pdx/default_transport/service_endpoint.h>
#include <private/dvr/bufferhub_rpc.h>
#include <private/dvr/buffer_hub.h>
#include <private/dvr/consumer_channel.h>
#include <private/dvr/producer_channel.h>
#include <private/dvr/producer_queue_channel.h>
#include <utils/Trace.h>
using android::pdx::Channel;
using android::pdx::ErrorStatus;
using android::pdx::Message;
using android::pdx::Status;
using android::pdx::default_transport::Endpoint;
using android::pdx::rpc::DispatchRemoteMethod;
namespace android {
namespace dvr {
BufferHubService::BufferHubService()
: BASE("BufferHub", Endpoint::Create(BufferHubRPC::kClientPath)) {}
BufferHubService::~BufferHubService() {}
bool BufferHubService::IsInitialized() const { return BASE::IsInitialized(); }
std::string BufferHubService::DumpState(size_t /*max_length*/) {
std::ostringstream stream;
auto channels = GetChannels<BufferHubChannel>();
std::sort(channels.begin(), channels.end(),
[](const std::shared_ptr<BufferHubChannel>& a,
const std::shared_ptr<BufferHubChannel>& b) {
return a->buffer_id() < b->buffer_id();
});
stream << "Active Producer Buffers:\n";
stream << std::right;
stream << std::setw(6) << "Id";
stream << " ";
stream << std::setw(9) << "Consumers";
stream << " ";
stream << std::setw(14) << "Geometry";
stream << " ";
stream << std::setw(6) << "Format";
stream << " ";
stream << std::setw(10) << "Usage";
stream << " ";
stream << std::setw(18) << "State";
stream << " ";
stream << std::setw(18) << "Signaled";
stream << " ";
stream << std::setw(10) << "Index";
stream << std::endl;
for (const auto& channel : channels) {
if (channel->channel_type() == BufferHubChannel::kProducerType) {
BufferHubChannel::BufferInfo info = channel->GetBufferInfo();
stream << std::right;
stream << std::setw(6) << info.id;
stream << " ";
stream << std::setw(9) << info.consumer_count;
stream << " ";
if (info.format == HAL_PIXEL_FORMAT_BLOB) {
std::string size = std::to_string(info.width) + " B";
stream << std::setw(14) << size;
} else {
std::string dimensions = std::to_string(info.width) + "x" +
std::to_string(info.height) + "x" +
std::to_string(info.layer_count);
stream << std::setw(14) << dimensions;
}
stream << " ";
stream << std::setw(6) << info.format;
stream << " ";
stream << "0x" << std::hex << std::setfill('0');
stream << std::setw(8) << info.usage;
stream << std::dec << std::setfill(' ');
stream << " ";
stream << "0x" << std::hex << std::setfill('0');
stream << std::setw(16) << info.state;
stream << " ";
stream << "0x" << std::setw(16) << info.signaled_mask;
stream << std::dec << std::setfill(' ');
stream << " ";
stream << std::setw(8) << info.index;
stream << std::endl;
}
if (channel->channel_type() == BufferHubChannel::kDetachedBufferType) {
BufferHubChannel::BufferInfo info = channel->GetBufferInfo();
stream << std::right;
stream << std::setw(6) << info.id;
stream << " ";
stream << std::setw(9) << "N/A";
stream << " ";
if (info.format == HAL_PIXEL_FORMAT_BLOB) {
std::string size = std::to_string(info.width) + " B";
stream << std::setw(14) << size;
} else {
std::string dimensions = std::to_string(info.width) + "x" +
std::to_string(info.height) + "x" +
std::to_string(info.layer_count);
stream << std::setw(14) << dimensions;
}
stream << " ";
stream << std::setw(6) << info.format;
stream << " ";
stream << "0x" << std::hex << std::setfill('0');
stream << std::setw(8) << info.usage;
stream << std::dec << std::setfill(' ');
stream << " ";
stream << std::setw(9) << "N/A";
stream << " ";
stream << std::hex << std::setfill(' ');
stream << std::setw(18) << "Detached";
stream << " ";
stream << std::setw(18) << "N/A";
stream << " ";
stream << std::setw(10) << "N/A";
stream << std::endl;
}
}
stream << std::endl;
stream << "Active Producer Queues:\n";
stream << std::right << std::setw(6) << "Id";
stream << std::right << std::setw(12) << " Capacity";
stream << std::right << std::setw(12) << " Consumers";
stream << " UsageSetMask";
stream << " UsageClearMask";
stream << " UsageDenySetMask";
stream << " UsageDenyClearMask";
stream << " ";
stream << std::endl;
for (const auto& channel : channels) {
if (channel->channel_type() == BufferHubChannel::kProducerQueueType) {
BufferHubChannel::BufferInfo info = channel->GetBufferInfo();
stream << std::dec << std::setfill(' ');
stream << std::right << std::setw(6) << info.id;
stream << std::right << std::setw(12) << info.capacity;
stream << std::right << std::setw(12) << info.consumer_count;
stream << std::setw(5) << std::setfill(' ') << "0x";
stream << std::hex << std::setfill('0');
stream << std::setw(8) << info.usage_policy.usage_set_mask;
stream << std::setw(7) << std::setfill(' ') << "0x";
stream << std::hex << std::setfill('0');
stream << std::setw(8) << info.usage_policy.usage_clear_mask;
stream << std::setw(9) << std::setfill(' ') << "0x";
stream << std::hex << std::setfill('0');
stream << std::setw(8) << info.usage_policy.usage_deny_set_mask;
stream << std::setw(11) << std::setfill(' ') << "0x";
stream << std::hex << std::setfill('0');
stream << std::setw(8) << info.usage_policy.usage_deny_clear_mask;
stream << std::hex << std::setfill('0');
stream << std::endl;
}
}
stream << std::endl;
stream << "Active Consumer Queues:\n";
stream << std::dec << std::setfill(' ');
stream << std::right << std::setw(6) << "Id";
stream << std::right << std::setw(12) << " Imported";
stream << " ";
stream << std::endl;
for (const auto& channel : channels) {
if (channel->channel_type() == BufferHubChannel::kConsumerQueueType) {
BufferHubChannel::BufferInfo info = channel->GetBufferInfo();
stream << std::right << std::setw(6) << info.id;
stream << std::right << std::setw(12) << info.capacity;
stream << std::endl;
}
}
stream << std::endl;
stream << "Orphaned Consumer Buffers:\n";
stream << std::right;
stream << std::setw(6) << "Id";
stream << " ";
stream << std::setw(14) << "Info";
stream << std::endl;
for (const auto& channel : channels) {
BufferHubChannel::BufferInfo info = channel->GetBufferInfo();
// consumer_count is tracked by producer. When it's zero, producer must have
// already hung up and the consumer is orphaned.
if (channel->channel_type() == BufferHubChannel::kConsumerType &&
info.consumer_count == 0) {
stream << std::right;
stream << std::setw(6) << info.id;
stream << " ";
stream << std::setw(14) << "Orphaned.";
stream << (" channel_id=" + std::to_string(channel->channel_id()));
stream << std::endl;
}
}
return stream.str();
}
void BufferHubService::HandleImpulse(Message& message) {
ATRACE_NAME("BufferHubService::HandleImpulse");
if (auto channel = message.GetChannel<BufferHubChannel>())
channel->HandleImpulse(message);
}
pdx::Status<void> BufferHubService::HandleMessage(Message& message) {
ATRACE_NAME("BufferHubService::HandleMessage");
auto channel = message.GetChannel<BufferHubChannel>();
ALOGD_IF(
TRACE,
"BufferHubService::HandleMessage: channel=%p channel_id=%d opcode=%d",
channel.get(), message.GetChannelId(), message.GetOp());
// If the channel is already set up, let it handle the message.
if (channel && !channel->HandleMessage(message))
return DefaultHandleMessage(message);
// This channel has not been set up yet, the following are valid operations.
switch (message.GetOp()) {
case BufferHubRPC::CreateBuffer::Opcode:
DispatchRemoteMethod<BufferHubRPC::CreateBuffer>(
*this, &BufferHubService::OnCreateBuffer, message);
return {};
case BufferHubRPC::CreateProducerQueue::Opcode:
DispatchRemoteMethod<BufferHubRPC::CreateProducerQueue>(
*this, &BufferHubService::OnCreateProducerQueue, message);
return {};
default:
return DefaultHandleMessage(message);
}
}
Status<void> BufferHubService::OnCreateBuffer(Message& message, uint32_t width,
uint32_t height, uint32_t format,
uint64_t usage,
size_t meta_size_bytes) {
// Use the producer channel id as the global buffer id.
const int buffer_id = message.GetChannelId();
ALOGD_IF(TRACE,
"BufferHubService::OnCreateBuffer: buffer_id=%d width=%u height=%u "
"format=%u usage=%" PRIx64 " meta_size_bytes=%zu",
buffer_id, width, height, format, usage, meta_size_bytes);
// See if this channel is already attached to a buffer.
if (const auto channel = message.GetChannel<BufferHubChannel>()) {
ALOGE("BufferHubService::OnCreateBuffer: Buffer already created: buffer=%d",
buffer_id);
return ErrorStatus(EALREADY);
}
const uint32_t kDefaultLayerCount = 1;
auto status = ProducerChannel::Create(this, buffer_id, width, height,
kDefaultLayerCount, format, usage,
meta_size_bytes);
if (status) {
message.SetChannel(status.take());
return {};
} else {
ALOGE("BufferHubService::OnCreateBuffer: Failed to create producer: %s",
status.GetErrorMessage().c_str());
return status.error_status();
}
}
Status<QueueInfo> BufferHubService::OnCreateProducerQueue(
pdx::Message& message, const ProducerQueueConfig& producer_config,
const UsagePolicy& usage_policy) {
// Use the producer channel id as the global queue id.
const int queue_id = message.GetChannelId();
ALOGD_IF(TRACE, "BufferHubService::OnCreateProducerQueue: queue_id=%d",
queue_id);
// See if this channel is already attached to another object.
if (const auto channel = message.GetChannel<BufferHubChannel>()) {
ALOGE("BufferHubService::OnCreateProducerQueue: already created: queue=%d",
queue_id);
return ErrorStatus(EALREADY);
}
auto status = ProducerQueueChannel::Create(this, queue_id, producer_config,
usage_policy);
if (status) {
message.SetChannel(status.take());
return {{producer_config, queue_id}};
} else {
ALOGE("BufferHubService::OnCreateBuffer: Failed to create producer!!");
return status.error_status();
}
}
void BufferHubChannel::SignalAvailable() {
ATRACE_NAME("BufferHubChannel::SignalAvailable");
ALOGD_IF(TRACE,
"BufferHubChannel::SignalAvailable: channel_id=%d buffer_id=%d",
channel_id(), buffer_id());
signaled_ = true;
const auto status = service_->ModifyChannelEvents(channel_id_, 0, POLLIN);
ALOGE_IF(!status,
"BufferHubChannel::SignalAvailable: failed to signal availability "
"channel_id=%d: %s",
channel_id_, status.GetErrorMessage().c_str());
}
void BufferHubChannel::ClearAvailable() {
ATRACE_NAME("BufferHubChannel::ClearAvailable");
ALOGD_IF(TRACE,
"BufferHubChannel::ClearAvailable: channel_id=%d buffer_id=%d",
channel_id(), buffer_id());
signaled_ = false;
const auto status = service_->ModifyChannelEvents(channel_id_, POLLIN, 0);
ALOGE_IF(!status,
"BufferHubChannel::ClearAvailable: failed to clear availability "
"channel_id=%d: %s",
channel_id_, status.GetErrorMessage().c_str());
}
void BufferHubChannel::Hangup() {
ATRACE_NAME("BufferHubChannel::Hangup");
ALOGD_IF(TRACE, "BufferHubChannel::Hangup: channel_id=%d buffer_id=%d",
channel_id(), buffer_id());
const auto status = service_->ModifyChannelEvents(channel_id_, 0, POLLHUP);
ALOGE_IF(
!status,
"BufferHubChannel::Hangup: failed to signal hangup channel_id=%d: %s",
channel_id_, status.GetErrorMessage().c_str());
}
} // namespace dvr
} // namespace android