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Commit 2a4d63ce authored by Okan Arikan's avatar Okan Arikan
Browse files

Resurrect the pose tool. 

Editing the tool to look into the same broadcast ring that
VrCore reads from.

Bug: 62355308
Test: Run pose tool
Change-Id: I270e3934c7df398048701a81851ee860a8acb712
parent 18c2d051

libs/vr/libdisplay/include/private/dvr/shared_buffer_helpers.h

+7 −2
Original line number Diff line number Diff line
@@ -103,9 +103,14 @@ class CPUMappedBroadcastRing : public CPUMappedBuffer { 
  // Try obtaining the ring. If the named buffer has not been created yet, it

  // will return nullptr.

  RingType* Ring() {

    // No ring created yet?

    if (ring_ == nullptr) {

      // Not mapped the memory yet?

      if (IsMapped() == false) {

        TryMapping();

      }



      // If have the memory mapped, allocate the ring.

      if (IsMapped()) {

        switch (usage_mode_) {

          case CPUUsageMode::READ_OFTEN:

libs/vr/libvrsensor/pose_client.cpp

+20 −7
Original line number Diff line number Diff line
@@ -22,6 +22,11 @@ using android::pdx::Transaction; 


namespace android {

namespace dvr {

namespace {



typedef CPUMappedBroadcastRing<DvrPoseRing> SensorPoseRing;



}  // namespace



// PoseClient is a remote interface to the pose service in sensord.

class PoseClient : public pdx::ClientBase<PoseClient> {
@@ -36,16 +41,21 @@ class PoseClient : public pdx::ClientBase<PoseClient> { 
  // Polls the pose service for the current state and stores it in *state.

  // Returns zero on success, a negative error code otherwise.

  int Poll(DvrPose* state) {

    const auto vsync_buffer = GetVsyncBuffer();

    if (vsync_buffer) {

    // Allocate the helper class to access the sensor pose buffer.

    if (sensor_pose_buffer_ == nullptr) {

      sensor_pose_buffer_ = std::make_unique<SensorPoseRing>(

          DvrGlobalBuffers::kSensorPoseBuffer, CPUUsageMode::READ_RARELY);

    }



    if (state) {

        // Fill the state

        *state = vsync_buffer->current_pose;

      if (sensor_pose_buffer_->GetNewest(state)) {

        return 0;

      } else {

        return -EAGAIN;

      }

      return -EINVAL;

    }



    return -EAGAIN;

    return -EINVAL;

  }



  int GetPose(uint32_t vsync_count, DvrPoseAsync* out_pose) {
@@ -235,6 +245,9 @@ class PoseClient : public pdx::ClientBase<PoseClient> { 
  // The vsync pose buffer if already mapped.

  std::unique_ptr<CPUMappedBuffer> vsync_pose_buffer_;



  // The direct sensor pose buffer.

  std::unique_ptr<SensorPoseRing> sensor_pose_buffer_;



  const DvrVsyncPoseBuffer* mapped_vsync_pose_buffer_ = nullptr;



  struct ControllerClientState {