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Checkout the code

git clone --recursive https://github.com/google/dive.git

If the code has been checked out without --recursive or you're pulling from the main branch later, please run following command to make sure the submodules are retrieved properly.

git submodule update --init --recursive

Prerequisite

  • The QT framework, can be installed from QT online installer. We are currently using QT 5.11.2
  • gRPC dependencies
  • Android NDK (currently we are using 25.2.9519653). Set the ANDROID_NDK_HOME environment variable.
  export ANDROID_NDK_HOME=~/andriod_sdk/ndk/25.2.9519653
  • Mako Templates for Python: can be installed with following commandline
  pip install Mako

Building Dive host tool on Linux

# Assumes QTDIR is set to gcc_64 directory (eg. ~/Qt/5.11.2/gcc_64)
export CMAKE_PREFIX_PATH=$QTDIR
export PATH=$QTDIR:$PATH
cd <dive_path>
git submodule update --init --recursive
mkdir build
cd build
cmake -GNinja ..
ninja

You can specify the build type for debug/release as well with -DCMAKE_BUILD_TYPE=Debug or -DCMAKE_BUILD_TYPE=Release when running cmake.

Building Dive host tool on Windows

To build with prebuilt gRPC libraries:

REM Assumes QTDIR is set to msvc directory (eg. C:\Qt\5.11.2\msvc2017_64)
set CMAKE_PREFIX_PATH=%QTDIR%
set PATH=%QTDIR%\bin;%PATH%
cd <dive_path>
git submodule update --init --recursive
mkdir build
cd build
cmake -G "Visual Studio 17 2022" ..

Open dive.sln and build in Debug or Release Or run:

cmake --build . --config Debug
cmake --build . --config Release

Build without prebuilt libraries

Or you can build without using the prebuilt libraries with -DBUILD_GRPC=ON

cmake -G "Visual Studio 17 2022" -DBUILD_GRPC=ON ..

Or you can build with Ninja, which is much faster: Open Developer Command Prompt for VS 2022(or 2019) and run:

cd build
cmake -G "Ninja" -DBUILD_GRPC=ON ..
ninja

Note this requires build dependencies for gRPC, which requires to install prerequisite listed at gRPC website. It's mostly about install the NASM. If you don't have choco installed, you can download the binary from NASM website and add its path to the PATH environment variable.

Update prebuilt libraries

Currently, the gRPC binaries are prebuilt under the folder `prebuild``. In case there's build error with the prebuilt libraries, you can run regenerate the libraries with following steps:

  • Open Developer Command Prompt for VS 2022(or 2019)
  • Run scripts/build_grpc.bat

Building Android Libraries

  • Download the Android NDK (e.g. 25.2.9519653)
  • Set the environment variable ANDROID_NDK_HOME (e.g. export ANDROID_NDK_HOME=~/andriod_sdk/ndk/25.2.9519653) Run the script

On Linux, run:

./scripts/build_android.sh

And on Windows, Open Developer Command Prompt for VS 2022(or 2019) and run

scripts\build_android.bat

It will build both debug and release version of the libraries under build_android folder.

CLI Tool for capture and cleanup

Capture with command line tool for Android applications

Currently the command line tool supports capture OpenXR and Vulkan applications on Android. To Get a capture, please refer to the above sections to checkout the code and build the Android libraries. In addition to that, you'll need to build and install the CLI tool.

On Linux, run:

./scripts/build_android.sh

mkdir build
cd build
cmake -GNinja ..
ninja
ninja install

And the libraries and CLI will be installed under the install folder. Run ./dive_client_cli --help for help.

You can find out the device serial by run adb devices or by ./dive_client_cli --command list_device

Examples:

  • Install the dependencies on device and start the package and do a capture after the applications runs 5 seconds.
./dive_client_cli --device  9A221FFAZ004TL --command capture --package de.saschawillems.vulkanBloom --type vulkan --trigger_capture_after 5 --download_path "/path/to/save/captures"
  • Install the dependencies on device and start the package
./dive_client_cli --device  9A221FFAZ004TL --command run --package com.google.bigwheels.project_04_cube_xr.debug --type openxr --download_path "/path/to/save/captures"

Then you can follow the hint output to trigger a capture by press key t and enter or exit by press key enter only.

The capture files will be saved at the path specified with the --download_path option or the current directory if this option not specified.

Cleanup

The command line tool will clean up the device and application automatically at exit. If somehow it crashed and left the device in a uncleaned state, you can run following command to clean it up

./dive_client_cli --command cleanup --package de.saschawillems.vulkanBloom --device 9A221FFAZ004TL

This will remove all the libraries installed and the settings that had been setup by Dive for the package.