Merge branch 'master' into r8_merge_to_master

4 年前 · 7d42c559
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v2
-    - uses: actions/setup-python@v1
+    - uses: actions/setup-python@v2
+      with:
+        python-version: 3.7.x
    - uses: actions/setup-ruby@v1
      with:
        ruby-version: '2.6'
--- a/.yamato/gym-interface-test.yml
+++ b/.yamato/gym-interface-test.yml
-test_editors:
-  - version: 2019.4
+{% metadata_file .yamato/test_versions.metafile %}
 ---
 {% for editor in test_editors %}
 test_gym_interface_{{ editor.version }}:
--- a/.yamato/python-ll-api-test.yml
+++ b/.yamato/python-ll-api-test.yml
-test_editors:
-  - version: 2019.4
+{% metadata_file .yamato/test_versions.metafile %}
 ---
 {% for editor in test_editors %}
 test_mac_ll_api_{{ editor.version }}:
--- a/.yamato/standalone-build-test.yml
+++ b/.yamato/standalone-build-test.yml
-test_editors:
-  - version: 2018.4
-  - version: 2019.3
+{% metadata_file .yamato/test_versions.metafile %}
 ---
 {% for editor in test_editors %}
 test_mac_standalone_{{ editor.version }}:
    UNITY_VERSION: {{ editor.version }}
  commands:
    - pip install pyyaml --index-url https://artifactory.prd.it.unity3d.com/artifactory/api/pypi/pypi/simple
+    # TODO remove the "--user" command and the path prefix when we can migrate away from the custom bokken image
+    - python -m pip install unity-downloader-cli --index-url https://artifactory.prd.it.unity3d.com/artifactory/api/pypi/pypi/simple --upgrade --user
+    - /Users/bokken/Library/Python/3.7/bin/unity-downloader-cli -u {{ editor.version }} -c editor --wait --fast
+    - python -u -m ml-agents.tests.yamato.standalone_build_tests --scene=Assets/ML-Agents/TestScenes/TestCompressedGrid/TestGridCompressed.unity
+    - python -u -m ml-agents.tests.yamato.standalone_build_tests --scene=Assets/ML-Agents/TestScenes/TestCompressedTexture/TestTextureCompressed.unity
  triggers:
    cancel_old_ci: true
    expression: |
--- a/.yamato/training-int-tests.yml
+++ b/.yamato/training-int-tests.yml
-test_editors:
-  - version: 2018.4
-  - version: 2019.4
-  - version: 2020.1
+{% metadata_file .yamato/test_versions.metafile %}
 ---
 {% for editor in test_editors %}
 test_mac_training_int_{{ editor.version }}:
    UNITY_VERSION: {{ editor.version }}
  commands:
    - pip install pyyaml --index-url https://artifactory.prd.it.unity3d.com/artifactory/api/pypi/pypi/simple
+    # TODO remove the "--user" command and the path prefix when we can migrate away from the custom bokken image
+    - python -m pip install unity-downloader-cli --index-url https://artifactory.prd.it.unity3d.com/artifactory/api/pypi/pypi/simple --upgrade --user
+    - /Users/bokken/Library/Python/3.7/bin/unity-downloader-cli -u {{ editor.version }} -c editor --wait --fast
    - python -u -m ml-agents.tests.yamato.training_int_tests
    # Backwards-compatibility tests.
    # If we make a breaking change to the communication protocol, these will need
--- a/159
+++ b/159
-# Based off of python:3.6-slim, except that we are using ubuntu instead of debian.
-FROM ubuntu:16.04
-
-
-# ensure local python is preferred over distribution python
-ENV PATH /usr/local/bin:$PATH
+FROM nvidia/cuda:10.0-cudnn7-devel-ubuntu18.04
-# http://bugs.python.org/issue19846
-# > At the moment, setting "LANG=C" on a Linux system *fundamentally breaks Python 3*, and that's not OK.
-ENV LANG C.UTF-8
+RUN yes | unminimize
-# runtime dependencies
-RUN apt-get update && apt-get install -y --no-install-recommends \
-		ca-certificates \
-		libexpat1 \
-		libffi6 \
-		libgdbm3 \
-		libreadline6 \
-		libsqlite3-0 \
-		libssl1.0.0 \
-	&& rm -rf /var/lib/apt/lists/*
+RUN echo "deb http://packages.cloud.google.com/apt cloud-sdk-xenial main" | tee -a /etc/apt/sources.list.d/google-cloud-sdk.list
+RUN wget https://packages.cloud.google.com/apt/doc/apt-key.gpg && apt-key add apt-key.gpg
+RUN apt-get update && \
+  apt-get install -y --no-install-recommends wget curl tmux vim git gdebi-core \
+  build-essential python3-pip unzip google-cloud-sdk htop mesa-utils xorg-dev xorg \
+  libglvnd-dev libgl1-mesa-dev libegl1-mesa-dev libgles2-mesa-dev && \
+  wget http://security.ubuntu.com/ubuntu/pool/main/libx/libxfont/libxfont1_1.5.1-1ubuntu0.16.04.4_amd64.deb && \
+  wget http://security.ubuntu.com/ubuntu/pool/universe/x/xorg-server/xvfb_1.18.4-0ubuntu0.10_amd64.deb && \
+  yes | gdebi libxfont1_1.5.1-1ubuntu0.16.04.4_amd64.deb && \
+  yes | gdebi xvfb_1.18.4-0ubuntu0.10_amd64.deb
+RUN python3 -m pip install --upgrade pip
+RUN pip install setuptools==41.0.0
-ENV GPG_KEY 0D96DF4D4110E5C43FBFB17F2D347EA6AA65421D
-ENV PYTHON_VERSION 3.6.4
+ENV LD_LIBRARY_PATH=/usr/lib/x86_64-linux-gnu:$LD_LIBRARY_PATH
-RUN set -ex \
-	&& buildDeps=" \
-		dpkg-dev \
-		gcc \
-		libbz2-dev \
-		libc6-dev \
-		libexpat1-dev \
-		libffi-dev \
-		libgdbm-dev \
-		liblzma-dev \
-		libncursesw5-dev \
-		libreadline-dev \
-		libsqlite3-dev \
-		libssl-dev \
-		make \
-		tcl-dev \
-		tk-dev \
-		wget \
-		xz-utils \
-		zlib1g-dev \
-# as of Stretch, "gpg" is no longer included by default
-		$(command -v gpg > /dev/null || echo 'gnupg dirmngr') \
-	" \
-	&& apt-get update && apt-get install -y $buildDeps --no-install-recommends && rm -rf /var/lib/apt/lists/* \
-	\
-	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
-	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
-	&& export GNUPGHOME="$(mktemp -d)" \
-	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
-	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
-	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
-	&& mkdir -p /usr/src/python \
-	&& tar -xJC /usr/src/python --strip-components=1 -f python.tar.xz \
-	&& rm python.tar.xz \
-	\
-	&& cd /usr/src/python \
-	&& gnuArch="$(dpkg-architecture --query DEB_BUILD_GNU_TYPE)" \
-	&& ./configure \
-		--build="$gnuArch" \
-		--enable-loadable-sqlite-extensions \
-		--enable-shared \
-		--with-system-expat \
-		--with-system-ffi \
-		--without-ensurepip \
-	&& make -j "$(nproc)" \
-	&& make install \
-	&& ldconfig \
-	\
-	&& apt-get purge -y --auto-remove $buildDeps \
-	\
-	&& find /usr/local -depth \
-		\( \
-			\( -type d -a \( -name test -o -name tests \) \) \
-			-o \
-			\( -type f -a \( -name '*.pyc' -o -name '*.pyo' \) \) \
-		\) -exec rm -rf '{}' + \
-	&& rm -rf /usr/src/python
-
-# make some useful symlinks that are expected to exist
-RUN cd /usr/local/bin \
-	&& ln -s idle3 idle \
-	&& ln -s pydoc3 pydoc \
-	&& ln -s python3 python \
-	&& ln -s python3-config python-config
-
-# if this is called "PIP_VERSION", pip explodes with "ValueError: invalid truth value '<VERSION>'"
-ENV PYTHON_PIP_VERSION 9.0.3
-
-RUN set -ex; \
-	\
-	apt-get update; \
-	apt-get install -y --no-install-recommends wget; \
-	rm -rf /var/lib/apt/lists/*; \
-	\
-	wget -O get-pip.py 'https://bootstrap.pypa.io/get-pip.py'; \
-	\
-	apt-get purge -y --auto-remove wget; \
-	\
-	python get-pip.py \
-		--disable-pip-version-check \
-		--no-cache-dir \
-		"pip==$PYTHON_PIP_VERSION" \
-	; \
-	pip --version; \
-	\
-	find /usr/local -depth \
-		\( \
-			\( -type d -a \( -name test -o -name tests \) \) \
-			-o \
-			\( -type f -a \( -name '*.pyc' -o -name '*.pyo' \) \) \
-		\) -exec rm -rf '{}' +; \
-	rm -f get-pip.py
-
-
-RUN apt-get update && apt-get -y upgrade
-
-# xvfb is used to do CPU based rendering of Unity
-RUN apt-get install -y xvfb
-
-# Install ml-agents-envs package locally
-COPY ml-agents-envs /ml-agents-envs
-WORKDIR /ml-agents-envs
-RUN pip install -e .
-
-# Install ml-agents package next
-COPY ml-agents /ml-agents
+#checkout ml-agents for SHA
+RUN mkdir /ml-agents
-RUN pip install -e .
-
-# Port 5004 is the port used in Editor training.
-# Environments will start from port 5005, 
-# so allow enough ports for several environments.
-EXPOSE 5004-5050
-
-ENTRYPOINT ["xvfb-run", "--auto-servernum", "--server-args='-screen 0 640x480x24'", "mlagents-learn"]
+ARG SHA
+RUN git init
+RUN git remote add origin https://github.com/Unity-Technologies/ml-agents.git
+RUN git fetch --depth 1 origin $SHA
+RUN git checkout FETCH_HEAD
+RUN pip install -e /ml-agents/ml-agents-envs
+RUN pip install -e /ml-agents/ml-agents
--- a/com.unity.ml-agents.extensions/Runtime/Sensors/GridSensor.cs
+++ b/com.unity.ml-agents.extensions/Runtime/Sensors/GridSensor.cs
        [Tooltip("Whether to show gizmos or not")]
        public bool ShowGizmos = false;

+        public SensorCompressionType CompressionType = SensorCompressionType.PNG;
+
        /// <summary>
        /// Array of colors displaying the DebugColors for each cell in OnDrawGizmos. Only updated if ShowGizmos.
        /// </summary>
        /// <inheritdoc/>
        public virtual SensorCompressionType GetCompressionType()
        {
-            return SensorCompressionType.PNG;
+            return CompressionType;
        }

        /// <summary>
--- a/com.unity.ml-agents/Runtime/Sensors/CameraSensor.cs
+++ b/com.unity.ml-agents/Runtime/Sensors/CameraSensor.cs
            using (TimerStack.Instance.Scoped("CameraSensor.WriteToTensor"))
            {
                var texture = ObservationToTexture(m_Camera, m_Width, m_Height);
-                var numWritten = Utilities.TextureToTensorProxy(texture, writer, m_Grayscale);
+                var numWritten = writer.WriteTexture(texture, m_Grayscale);
                DestroyTexture(texture);
                return numWritten;
            }
--- a/com.unity.ml-agents/Runtime/Sensors/ObservationWriter.cs
+++ b/com.unity.ml-agents/Runtime/Sensors/ObservationWriter.cs
            }
        }
    }
+
+    public static class ObservationWriterExtension
+    {
+
+        /// <summary>
+        /// Writes a Texture2D into a ObservationWriter.
+        /// </summary>
+        /// <param name="obsWriter">
+        /// Writer to fill with Texture data.
+        /// </param>
+        /// <param name="texture">
+        /// The texture to be put into the tensor.
+        /// </param>
+        /// <param name="grayScale">
+        /// If set to <c>true</c> the textures will be converted to grayscale before
+        /// being stored in the tensor.
+        /// </param>
+        /// <returns>The number of floats written</returns>
+        public static int WriteTexture(
+            this ObservationWriter obsWriter,
+            Texture2D texture,
+            bool grayScale)
+        {
+            var width = texture.width;
+            var height = texture.height;
+
+            var texturePixels = texture.GetPixels32();
+            // During training, we convert from Texture to PNG before sending to the trainer, which has the
+            // effect of flipping the image. We need another flip here at inference time to match this.
+            for (var h = height - 1; h >= 0; h--)
+            {
+                for (var w = 0; w < width; w++)
+                {
+                    var currentPixel = texturePixels[(height - h - 1) * width + w];
+                    if (grayScale)
+                    {
+                        obsWriter[h, w, 0] =
+                            (currentPixel.r + currentPixel.g + currentPixel.b) / 3f / 255.0f;
+                    }
+                    else
+                    {
+                        // For Color32, the r, g and b values are between 0 and 255.
+                        obsWriter[h, w, 0] = currentPixel.r / 255.0f;
+                        obsWriter[h, w, 1] = currentPixel.g / 255.0f;
+                        obsWriter[h, w, 2] = currentPixel.b / 255.0f;
+                    }
+                }
+            }
+
+            return height * width * (grayScale ? 1 : 3);
+        }
+    }
 }
--- a/com.unity.ml-agents/Runtime/Sensors/RenderTextureSensor.cs
+++ b/com.unity.ml-agents/Runtime/Sensors/RenderTextureSensor.cs
            using (TimerStack.Instance.Scoped("RenderTextureSensor.Write"))
            {
                var texture = ObservationToTexture(m_RenderTexture);
-                var numWritten = Utilities.TextureToTensorProxy(texture, writer, m_Grayscale);
+                var numWritten = writer.WriteTexture(texture, m_Grayscale);
                DestroyTexture(texture);
                return numWritten;
            }
--- a/com.unity.ml-agents/Runtime/Sensors/StackingSensor.cs
+++ b/com.unity.ml-agents/Runtime/Sensors/StackingSensor.cs
            int height = m_WrappedSensor.GetObservationShape()[0];
            int width = m_WrappedSensor.GetObservationShape()[1];
            var texture2D = new Texture2D(width, height, TextureFormat.RGB24, false);
+            Color32[] resetColorArray = texture2D.GetPixels32();
+            Color32 black = new Color32(0, 0, 0, 0);
+            for (int i = 0; i < resetColorArray.Length; i++)
+            {
+                resetColorArray[i] = black;
+            }
+            texture2D.SetPixels32(resetColorArray);
+            texture2D.Apply();
            return texture2D.EncodeToPNG();
        }

--- a/com.unity.ml-agents/Runtime/Utilities.cs
+++ b/com.unity.ml-agents/Runtime/Utilities.cs
 {
    internal static class Utilities
    {
-        /// <summary>
-        /// Puts a Texture2D into a ObservationWriter.
-        /// </summary>
-        /// <param name="texture">
-        /// The texture to be put into the tensor.
-        /// </param>
-        /// <param name="obsWriter">
-        /// Writer to fill with Texture data.
-        /// </param>
-        /// <param name="grayScale">
-        /// If set to <c>true</c> the textures will be converted to grayscale before
-        /// being stored in the tensor.
-        /// </param>
-        /// <returns>The number of floats written</returns>
-        internal static int TextureToTensorProxy(
-            Texture2D texture,
-            ObservationWriter obsWriter,
-            bool grayScale)
-        {
-            var width = texture.width;
-            var height = texture.height;
-
-            var texturePixels = texture.GetPixels32();
-            // During training, we convert from Texture to PNG before sending to the trainer, which has the
-            // effect of flipping the image. We need another flip here at inference time to match this.
-            for (var h = height - 1; h >= 0; h--)
-            {
-                for (var w = 0; w < width; w++)
-                {
-                    var currentPixel = texturePixels[(height - h - 1) * width + w];
-                    if (grayScale)
-                    {
-                        obsWriter[h, w, 0] =
-                            (currentPixel.r + currentPixel.g + currentPixel.b) / 3f / 255.0f;
-                    }
-                    else
-                    {
-                        // For Color32, the r, g and b values are between 0 and 255.
-                        obsWriter[h, w, 0] = currentPixel.r / 255.0f;
-                        obsWriter[h, w, 1] = currentPixel.g / 255.0f;
-                        obsWriter[h, w, 2] = currentPixel.b / 255.0f;
-                    }
-                }
-            }
-
-            return height * width * (grayScale ? 1 : 3);
-        }

        /// <summary>
        /// Calculates the cumulative sum of an integer array. The result array will be one element
--- a/docs/Learning-Environment-Create-New.md
+++ b/docs/Learning-Environment-Create-New.md
 1. Add the `Decision Requester` script with the Add Component button from the
   RollerAgent Inspector.
 1. Change **Decision Period** to `10`. For more information on decisions, see [the Agent documentation](Learning-Environment-Design-Agents.md#decisions)
-1. Drag the Target GameObject from the Hierarchy window to the RollerAgent
-   Target field.
 1. Add the `Behavior Parameters` script with the Add Component button from the
   RollerAgent Inspector.
 1. Modify the Behavior Parameters of the Agent :
--- a/gym-unity/gym_unity/init.py
+++ b/gym-unity/gym_unity/init.py
 # Version of the library that will be used to upload to pypi
-__version__ = "0.21.0"
+__version__ = "0.22.0.dev0"
-__release_tag__ = "release_8"
+__release_tag__ = None
--- a/ml-agents-envs/mlagents_envs/init.py
+++ b/ml-agents-envs/mlagents_envs/init.py
 # Version of the library that will be used to upload to pypi
-__version__ = "0.21.0"
+__version__ = "0.22.0.dev0"
-__release_tag__ = "release_8"
+__release_tag__ = None
--- a/ml-agents/mlagents/trainers/init.py
+++ b/ml-agents/mlagents/trainers/init.py
 # Version of the library that will be used to upload to pypi
-__version__ = "0.21.0"
+__version__ = "0.22.0.dev0"
-__release_tag__ = "release_8"
+__release_tag__ = None
--- a/ml-agents/tests/yamato/standalone_build_tests.py
+++ b/ml-agents/tests/yamato/standalone_build_tests.py
+import os
 import sys
 import argparse


    executable_name = None
    if scene_path is not None:
-        executable_name = scene_path.strip(".unity")
+        executable_name = os.path.splitext(scene_path)[0]  # Remove extension
+    print(f"Executable name {executable_name}")

    returncode = run_standalone_build(
        base_path, output_path=executable_name, scene_path=scene_path
--- a/ml-agents/tests/yamato/training_int_tests.py
+++ b/ml-agents/tests/yamato/training_int_tests.py
        "--mlagents-override-model-extension",
        model_extension,
    ]
-    res = subprocess.run(args)
+    print(f"Starting inference with args {' '.join(args)}")
+    timeout = 15 * 60  # 15 minutes for inference is more than enough
+    res = subprocess.run(args, timeout=timeout)
    end_time = time.time()
    if res.returncode != 0:
        print("Error running inference!")
--- a/ml-agents/tests/yamato/yamato_utils.py
+++ b/ml-agents/tests/yamato/yamato_utils.py


 def get_unity_executable_path():
-    UNITY_VERSION = os.environ["UNITY_VERSION"]
-    BOKKEN_UNITY = f"/Users/bokken/{UNITY_VERSION}/Unity.app/Contents/MacOS/Unity"
-    HUB_UNITY = (
-        f"/Applications/Unity/Hub/Editor/{UNITY_VERSION}/Unity.app/Contents/MacOS/Unity"
-    )
-    if os.path.exists(BOKKEN_UNITY):
-        return BOKKEN_UNITY
-    if os.path.exists(HUB_UNITY):
-        return HUB_UNITY
-    raise FileNotFoundError("Can't find bokken or hub executables")
+    downloader_install_path = "./.Editor/Unity.app/Contents/MacOS/Unity"
+    if os.path.exists(downloader_install_path):
+        return downloader_install_path
+    raise FileNotFoundError("Can't find executable from unity-downloader-cli")


 def get_base_path():
--- a/.github/workflows/build-docker.yaml
+++ b/.github/workflows/build-docker.yaml
+name: build and push Docker image
+
+on:
+  push:
+    tags:
+      - "release_[0-9]+"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: GoogleCloudPlatform/github-actions/setup-gcloud@master
+        with:
+          version: '270.0.0'
+          service_account_email: ${{ secrets.GCP_STG_EMAIL }}
+          service_account_key: ${{ secrets.GCP_STG_PRIVATE_KEY }}
+          export_default_credentials: true
+      - name: Configure GCR Docker auth (stg)
+        run: gcloud auth configure-docker
+      - name: Build docker image
+        run: docker build --tag ml-agents:${GITHUB_SHA} --build-arg SHA=${GITHUB_SHA} .
+      - name: Tag docker image (stg)
+        run: |
+          docker tag ml-agents:${GITHUB_SHA} gcr.io/unity-ai-ml-agents-stg/ml-agents:${GITHUB_SHA}
+          docker tag ml-agents:${GITHUB_SHA} gcr.io/unity-ai-ml-agents-stg/ml-agents:latest
+      - name: Push docker image (stg)
+        run: |
+          docker push gcr.io/unity-ai-ml-agents-stg/ml-agents:${GITHUB_SHA}
+          docker push gcr.io/unity-ai-ml-agents-stg/ml-agents:latest
+      - uses: GoogleCloudPlatform/github-actions/setup-gcloud@master
+        with:
+          version: '270.0.0'
+          service_account_email: ${{ secrets.GCP_PRD_EMAIL }}
+          service_account_key: ${{ secrets.GCP_PRD_PRIVATE_KEY }}
+          export_default_credentials: true
+      - name: Configure GCR Docker auth (prd)
+        run: gcloud auth configure-docker
+      - name: Tag docker image (prd)
+        run: |
+          docker tag ml-agents:${GITHUB_SHA} gcr.io/unity-ai-ml-agents-prd/ml-agents:${GITHUB_SHA}
+          docker tag ml-agents:${GITHUB_SHA} gcr.io/unity-ai-ml-agents-prd/ml-agents:latest
+      - name: Push docker image (prd)
+        run: |
+          docker push gcr.io/unity-ai-ml-agents-prd/ml-agents:${GITHUB_SHA}
+          docker push gcr.io/unity-ai-ml-agents-prd/ml-agents:latest
--- a/.yamato/compressed-sensor-test.yml
+++ b/.yamato/compressed-sensor-test.yml
+{% metadata_file .yamato/test_versions.metafile %}
+---
+{% for editor in test_editors %}
+test_compressed_obs_{{ editor.version }}:
+  name: Test Compressed Sensor Observation {{ editor.version }}
+  agent:
+    type: Unity::VM::osx
+    image: ml-agents/ml-agents-bokken-mac:0.1.4-492264
+    flavor: b1.small
+  variables:
+    UNITY_VERSION: {{ editor.version }}
+  commands:
+    - pip install pyyaml --index-url https://artifactory.prd.it.unity3d.com/artifactory/api/pypi/pypi/simple
+    - python -u -m ml-agents.tests.yamato.setup_venv
+    - ./venv/bin/python ml-agents/tests/yamato/scripts/run_compressed_sensor.py --env=artifacts/testPlayer-TestGridCompressed
+    - ./venv/bin/python ml-agents/tests/yamato/scripts/run_compressed_sensor.py --env=artifacts/testPlayer-TestTextureCompressed
+  dependencies:
+    - .yamato/standalone-build-test.yml#test_mac_standalone_{{ editor.version }}
+  triggers:
+    cancel_old_ci: true
+    expression: |
+      (pull_request.target eq "master" OR
+      pull_request.target match "release.+") AND
+      NOT pull_request.draft AND
+      (pull_request.changes.any match "com.unity.ml-agents/**" OR
+      pull_request.changes.any match "com.unity.ml-agents.extensions/**" OR
+      pull_request.changes.any match "Project/**" OR
+      pull_request.changes.any match "ml-agents/**" OR
+      pull_request.changes.any match "ml-agents-envs/**" OR
+      pull_request.changes.any match ".yamato/compressed-sensor-test.yml") AND
+      NOT pull_request.changes.all match "**/*.md"
+{% endfor %}
--- a/.yamato/test_versions.metafile
+++ b/.yamato/test_versions.metafile
+# List of editor versions for standalone-build-test and its dependencies.
+test_editors:
+  - version: 2018.4
+  - version: 2019.4
+  - version: 2020.1
+# Waiting on a barracuda fix, see https://jira.unity3d.com/browse/MLA-1464
+#  - version: 2020.2
--- a/Project/Assets/ML-Agents/TestScenes.meta
+++ b/Project/Assets/ML-Agents/TestScenes.meta
+fileFormatVersion: 2
+guid: 73f290de2bb5d4009a3831255f1f5d0f
+folderAsset: yes
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+  assetBundleVariant: 
--- a/ml-agents/tests/yamato/scripts/run_compressed_sensor.py
+++ b/ml-agents/tests/yamato/scripts/run_compressed_sensor.py
+import argparse
+import numpy as np
+
+from mlagents_envs.environment import UnityEnvironment
+
+EPSILON = 0.001
+
+
+def test_run_environment(env_name):
+    """
+    Run the low-level API test of compressed sensors using the specified environment
+    :param env_name: Name of the Unity environment binary to launch
+    """
+    env = UnityEnvironment(
+        file_name=env_name, no_graphics=True, additional_args=["-logFile", "-"]
+    )
+
+    try:
+        # Reset the environment
+        env.reset()
+
+        env.step()
+
+        # Set the default brain to work with
+        group_name = list(env.behavior_specs.keys())[0]
+
+        # Get the state of the agents
+        decision_steps, _ = env.get_steps(group_name)
+
+        # One observation comes from compressed sensor while the other comes
+        # from an uncompressed sensor
+        obs_1 = decision_steps.obs[0][0, :, :, :]
+        obs_2 = decision_steps.obs[0][1, :, :, :]
+
+        diff = np.abs(obs_1 - obs_2)
+
+        # make sure both are identical
+        assert np.max(diff) < EPSILON
+
+        # make sure an actual observation was collected
+        assert np.max(obs_1) > EPSILON
+
+        print("Observations were identical")
+
+    finally:
+        env.close()
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser()
+    parser.add_argument("--env", default="artifacts/testPlayer")
+    args = parser.parse_args()
+    test_run_environment(args.env)
--- a/Project/Assets/ML-Agents/TestScenes/TestCompressedGrid.meta
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--- a/Project/Assets/ML-Agents/TestScenes/TestCompressedGrid/TestGridCompressed.unity
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--- a/Project/Assets/ML-Agents/TestScenes/TestCompressedTexture/TestTextureCompressed.unity.meta
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--- a/Project/Assets/ML-Agents/TestScenes/TestCompressedTexture/TestTextureSensor.cs
+++ b/Project/Assets/ML-Agents/TestScenes/TestCompressedTexture/TestTextureSensor.cs
+using UnityEngine;
+using Unity.MLAgents.Sensors;
+using Unity.MLAgents;
+
+public class TestTextureSensor : ISensor
+{
+    Texture2D m_Texture;
+    string m_Name;
+    int[] m_Shape;
+    SensorCompressionType m_CompressionType;
+
+    /// <summary>
+    /// The compression type used by the sensor.
+    /// </summary>
+    public SensorCompressionType CompressionType
+    {
+        get { return m_CompressionType; }
+        set { m_CompressionType = value; }
+    }
+
+
+    public TestTextureSensor(
+        Texture2D texture, string name, SensorCompressionType compressionType)
+    {
+        m_Texture = texture;
+        var width = texture.width;
+        var height = texture.height;
+        m_Name = name;
+        m_Shape = new[] { height, width, 3 };
+        m_CompressionType = compressionType;
+    }
+
+    /// <inheritdoc/>
+    public string GetName()
+    {
+        return m_Name;
+    }
+
+    /// <inheritdoc/>
+    public int[] GetObservationShape()
+    {
+        return m_Shape;
+    }
+
+    /// <inheritdoc/>
+    public byte[] GetCompressedObservation()
+    {
+        var compressed = m_Texture.EncodeToPNG();
+        return compressed;
+    }
+
+    /// <inheritdoc/>
+    public int Write(ObservationWriter writer)
+    {
+        var numWritten = writer.WriteTexture(m_Texture, false);
+        return numWritten;
+    }
+
+    /// <inheritdoc/>
+    public void Update() { }
+
+    /// <inheritdoc/>
+    public void Reset() { }
+
+    /// <inheritdoc/>
+    public SensorCompressionType GetCompressionType()
+    {
+        return m_CompressionType;
+    }
+}
+
--- a/Project/Assets/ML-Agents/TestScenes/TestCompressedTexture/TestTextureSensor.cs.meta
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+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
--- a/Project/Assets/ML-Agents/TestScenes/TestCompressedTexture/TestTextureSensorComponent.cs
+++ b/Project/Assets/ML-Agents/TestScenes/TestCompressedTexture/TestTextureSensorComponent.cs
+using UnityEngine;
+using UnityEngine.Serialization;
+using Unity.MLAgents.Sensors;
+
+
+public class TestTextureSensorComponent : SensorComponent
+{
+    TestTextureSensor m_Sensor;
+
+    public Texture2D TestTexture;
+
+    string m_SensorName = "TextureSensor";
+
+    public string SensorName
+    {
+        get { return m_SensorName; }
+        set { m_SensorName = value; }
+    }
+
+
+    public int ObservationStacks = 4;
+
+    public SensorCompressionType CompressionType = SensorCompressionType.PNG;
+
+
+    /// <inheritdoc/>
+    public override ISensor CreateSensor()
+    {
+        m_Sensor = new TestTextureSensor(TestTexture, SensorName, CompressionType);
+        if (ObservationStacks != 1)
+        {
+            return new StackingSensor(m_Sensor, ObservationStacks);
+        }
+        return m_Sensor;
+    }
+
+    /// <inheritdoc/>
+    public override int[] GetObservationShape()
+    {
+        var width = TestTexture.width;
+        var height = TestTexture.height;
+        var observationShape = new[] { height, width, 3 };
+
+        var stacks = ObservationStacks > 1 ? ObservationStacks : 1;
+        if (stacks > 1)
+        {
+            observationShape[2] *= stacks;
+        }
+
+        return observationShape;
+    }
+}
+
--- a/Project/Assets/ML-Agents/TestScenes/TestCompressedTexture/TestTextureSensorComponent.cs.meta
+++ b/Project/Assets/ML-Agents/TestScenes/TestCompressedTexture/TestTextureSensorComponent.cs.meta
+fileFormatVersion: 2
+guid: 8eda65155b8ff4d14a3b048dae0fb21c
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
--- a/Project/Assets/ML-Agents/TestScenes/TestCompressedTexture/Texture.png
+++ b/Project/Assets/ML-Agents/TestScenes/TestCompressedTexture/Texture.png
--- a/Project/Assets/ML-Agents/TestScenes/TestCompressedTexture/Texture.png.meta
+++ b/Project/Assets/ML-Agents/TestScenes/TestCompressedTexture/Texture.png.meta
+fileFormatVersion: 2
+guid: eeba1f6a35c72450894cf4f4cb516004
+TextureImporter:
+  fileIDToRecycleName: {}
+  externalObjects: {}
+  serializedVersion: 9
+  mipmaps:
+    mipMapMode: 0
+    enableMipMap: 1
+    sRGBTexture: 1
+    linearTexture: 0
+    fadeOut: 0
+    borderMipMap: 0
+    mipMapsPreserveCoverage: 0
+    alphaTestReferenceValue: 0.5
+    mipMapFadeDistanceStart: 1
+    mipMapFadeDistanceEnd: 3
+  bumpmap:
+    convertToNormalMap: 0
+    externalNormalMap: 0
+    heightScale: 0.25
+    normalMapFilter: 0
+  isReadable: 1
+  streamingMipmaps: 0
+  streamingMipmapsPriority: 0
+  grayScaleToAlpha: 0
+  generateCubemap: 6
+  cubemapConvolution: 0
+  seamlessCubemap: 0
+  textureFormat: 1
+  maxTextureSize: 2048
+  textureSettings:
+    serializedVersion: 2
+    filterMode: -1
+    aniso: -1
+    mipBias: -100
+    wrapU: -1
+    wrapV: -1
+    wrapW: -1
+  nPOTScale: 1
+  lightmap: 0
+  compressionQuality: 50
+  spriteMode: 0
+  spriteExtrude: 1
+  spriteMeshType: 1
+  alignment: 0
+  spritePivot: {x: 0.5, y: 0.5}
+  spritePixelsToUnits: 100
+  spriteBorder: {x: 0, y: 0, z: 0, w: 0}
+  spriteGenerateFallbackPhysicsShape: 1
+  alphaUsage: 1
+  alphaIsTransparency: 0
+  spriteTessellationDetail: -1
+  textureType: 0
+  textureShape: 1
+  singleChannelComponent: 0
+  maxTextureSizeSet: 0
+  compressionQualitySet: 0
+  textureFormatSet: 0
+  platformSettings:
+  - serializedVersion: 2
+    buildTarget: DefaultTexturePlatform
+    maxTextureSize: 2048
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 0
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    androidETC2FallbackOverride: 0
+  - serializedVersion: 2
+    buildTarget: Standalone
+    maxTextureSize: 2048
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 0
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    androidETC2FallbackOverride: 0
+  spriteSheet:
+    serializedVersion: 2
+    sprites: []
+    outline: []
+    physicsShape: []
+    bones: []
+    spriteID: 
+    vertices: []
+    indices: 
+    edges: []
+    weights: []
+  spritePackingTag: 
+  pSDRemoveMatte: 0
+  pSDShowRemoveMatteOption: 0
+  userData: 
+  assetBundleName: 
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--- a/ml-agents/tests/yamato/editmode_tests.py
+++ b/ml-agents/tests/yamato/editmode_tests.py
-import os
-import sys
-import subprocess
-import shutil
-import xml.dom.minidom
-from typing import NamedTuple
-
-from .yamato_utils import get_base_path, get_unity_executable_path
-
-
-def clean_previous_results(base_path):
-    """
-    Clean up old results and make the artifacts path.
-    """
-    artifacts_path = os.path.join(base_path, "artifacts/")
-    results_xml_path = os.path.join(base_path, "results.xml")
-
-    if os.path.exists(results_xml_path):
-        os.remove(results_xml_path)
-
-    if os.path.exists(artifacts_path):
-        os.rmdir(artifacts_path)
-    os.mkdir(artifacts_path)
-
-
-class TestResults(NamedTuple):
-    total: str
-    passed: str
-    failed: str
-    duration: str
-
-
-def parse_results(results_xml):
-    """
-    Extract the test results from the xml file.
-    """
-    stats = {}
-    dom_tree = xml.dom.minidom.parse(results_xml)
-    collection = dom_tree.documentElement
-    for attribute in ["total", "passed", "failed", "duration"]:
-        stats[attribute] = collection.getAttribute(attribute)
-    return TestResults(**stats)
-
-
-def main():
-    base_path = get_base_path()
-    artifacts_path = os.path.join(base_path, "artifacts/")
-    results_xml_path = os.path.join(base_path, "results.xml")
-    print(f"Running in base path {base_path}")
-
-    print("Cleaning previous results")
-    clean_previous_results(base_path)
-
-    unity_exe = get_unity_executable_path()
-    print(f"Starting tests via {unity_exe}")
-
-    test_args = [
-        unity_exe,
-        "-batchmode",
-        "-runTests",
-        "-logfile",
-        "-",
-        "-projectPath",
-        f"{base_path}/Project",
-        "-testResults",
-        f"{base_path}/results.xml",
-        "-testPlatform",
-        "editmode",
-    ]
-    print(f"{' '.join(test_args)} ...")
-
-    timeout = 30 * 60  # 30 minutes, just in case
-    res: subprocess.CompletedProcess = subprocess.run(test_args, timeout=timeout)
-
-    stats = parse_results(results_xml_path)
-    print(
-        f"{stats.total} tests executed in {stats.duration}s: {stats.passed} passed, "
-        f"{stats.failed} failed. More details in results.xml"
-    )
-
-    try:
-        # copy results to artifacts dir
-        shutil.copy2(results_xml_path, artifacts_path)
-    except Exception:
-        pass
-
-    if res.returncode == 0 and os.path.exists(results_xml_path):
-        print("Test run SUCCEEDED!")
-    else:
-        print("Test run FAILED!")
-
-    sys.exit(res.returncode)
-
-
-if __name__ == "__main__":
-    main()