Bufferstreams test app.

Used to test out BufferQueues and BufferStreams.

Test: Ran the app.
Bug: 296272152
Change-Id: Ie1192658bf7db49b2ccc216433585fbd1cd1bff7

22 files changed, 399 insertions, 0 deletions

diff --git a/libs/bufferstreams/examples/app/Android.bp b/libs/bufferstreams/examples/app/Android.bp
new file mode 100644
index 0000000000..0ecf94c48d
--- /dev/null
+++ b/libs/bufferstreams/examples/app/Android.bp
@@ -0,0 +1,27 @@
+// Copyright (C) 2023 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+android_app {
+    name: "BufferStreamsDemoApp",
+    srcs: ["java/**/*.java"],
+    sdk_version: "current",
+
+    jni_uses_platform_apis: true,
+    jni_libs: ["libbufferstreamdemoapp"],
+    use_embedded_native_libs: true,
+
+    static_libs: [
+        "androidx.appcompat_appcompat",
+    ],
+}
diff --git a/libs/bufferstreams/examples/app/AndroidManifest.xml b/libs/bufferstreams/examples/app/AndroidManifest.xml
new file mode 100644
index 0000000000..872193c4e6
--- /dev/null
+++ b/libs/bufferstreams/examples/app/AndroidManifest.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.android.graphics.bufferstreamsdemoapp"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.AppCompat.Light"
+        tools:targetApi="34">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>
\ No newline at end of file
diff --git a/libs/bufferstreams/examples/app/java/com/android/graphics/bufferstreamsdemoapp/MainActivity.java b/libs/bufferstreams/examples/app/java/com/android/graphics/bufferstreamsdemoapp/MainActivity.java
new file mode 100644
index 0000000000..67b95a5349
--- /dev/null
+++ b/libs/bufferstreams/examples/app/java/com/android/graphics/bufferstreamsdemoapp/MainActivity.java
@@ -0,0 +1,39 @@
+// Copyright (C) 2023 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.android.graphics.bufferstreamsdemoapp;
+
+import android.os.Bundle;
+import android.widget.TextView;
+import androidx.appcompat.app.AppCompatActivity;
+
+public class MainActivity extends AppCompatActivity {
+    // Used to load the 'bufferstreamsdemoapp' library on application startup.
+    static { System.loadLibrary("bufferstreamdemoapp"); }
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        RunBufferQueue();
+        System.out.println("stringFromJNI: " + stringFromJNI());
+    }
+
+    /**
+     * A native method that is implemented by the 'bufferstreamsdemoapp' native
+     * library, which is packaged with this application.
+     */
+    public native String stringFromJNI();
+    public native void RunBufferQueue();
+}
\ No newline at end of file
diff --git a/libs/bufferstreams/examples/app/jni/Android.bp b/libs/bufferstreams/examples/app/jni/Android.bp
new file mode 100644
index 0000000000..67910a1c4d
--- /dev/null
+++ b/libs/bufferstreams/examples/app/jni/Android.bp
@@ -0,0 +1,28 @@
+// Copyright (C) 2023 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+cc_library_shared {
+    name: "libbufferstreamdemoapp",
+    cflags: [
+        "-Werror",
+        "-Wno-error=unused-parameter",
+    ],
+    shared_libs: [
+        "libgui",
+        "libbase",
+        "libutils",
+    ],
+    header_libs: ["jni_headers"],
+    srcs: ["*.cpp"],
+}
diff --git a/libs/bufferstreams/examples/app/jni/main.cpp b/libs/bufferstreams/examples/app/jni/main.cpp
new file mode 100644
index 0000000000..34e0eb451c
--- /dev/null
+++ b/libs/bufferstreams/examples/app/jni/main.cpp
@@ -0,0 +1,37 @@
+// Copyright (C) 2023 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include <jni.h>
+
+#include <gui/BufferQueue.h>
+
+extern "C"
+{
+    JNIEXPORT jstring JNICALL
+    Java_com_android_graphics_bufferstreamsdemoapp_MainActivity_stringFromJNI(
+            JNIEnv *env,
+            jobject /* this */) {
+        const char* hello = "Hello from C++";
+        return env->NewStringUTF(hello);
+    }
+
+    JNIEXPORT void JNICALL
+    Java_com_android_graphics_bufferstreamsdemoapp_MainActivity_RunBufferQueue(
+            JNIEnv *env,
+            jobject /* this */) {
+        android::sp<android::IGraphicBufferProducer> producer;
+        android::sp<android::IGraphicBufferConsumer> consumer;
+        android::BufferQueue::createBufferQueue(&producer, &consumer);
+    }
+}
\ No newline at end of file
diff --git a/libs/bufferstreams/examples/app/res/drawable/ic_launcher_background.xml b/libs/bufferstreams/examples/app/res/drawable/ic_launcher_background.xml
new file mode 100644
index 0000000000..07d5da9cbf
--- /dev/null
+++ b/libs/bufferstreams/examples/app/res/drawable/ic_launcher_background.xml
@@ -0,0 +1,170 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillColor="#3DDC84"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+</vector>
diff --git a/libs/bufferstreams/examples/app/res/drawable/ic_launcher_foreground.xml b/libs/bufferstreams/examples/app/res/drawable/ic_launcher_foreground.xml
new file mode 100644
index 0000000000..2b068d1146
--- /dev/null
+++ b/libs/bufferstreams/examples/app/res/drawable/ic_launcher_foreground.xml
@@ -0,0 +1,30 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="85.84757"
+                android:endY="92.4963"
+                android:startX="42.9492"
+                android:startY="49.59793"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0" />
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
+        android:strokeWidth="1"
+        android:strokeColor="#00000000" />
+</vector>
\ No newline at end of file
diff --git a/libs/bufferstreams/examples/app/res/layout/activity_main.xml b/libs/bufferstreams/examples/app/res/layout/activity_main.xml
new file mode 100644
index 0000000000..79fb331f09
--- /dev/null
+++ b/libs/bufferstreams/examples/app/res/layout/activity_main.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".MainActivity">
+
+    <TextView
+        android:id="@+id/sample_text"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Hello World!"
+        tools:layout_editor_absoluteX="100dp"
+        tools:layout_editor_absoluteY="100dp" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/libs/bufferstreams/examples/app/res/mipmap-anydpi/ic_launcher.xml b/libs/bufferstreams/examples/app/res/mipmap-anydpi/ic_launcher.xml
new file mode 100644
index 0000000000..6f3b755bf5
--- /dev/null
+++ b/libs/bufferstreams/examples/app/res/mipmap-anydpi/ic_launcher.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
\ No newline at end of file
diff --git a/libs/bufferstreams/examples/app/res/mipmap-anydpi/ic_launcher_round.xml b/libs/bufferstreams/examples/app/res/mipmap-anydpi/ic_launcher_round.xml
new file mode 100644
index 0000000000..6f3b755bf5
--- /dev/null
+++ b/libs/bufferstreams/examples/app/res/mipmap-anydpi/ic_launcher_round.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
\ No newline at end of file
diff --git a/libs/bufferstreams/examples/app/res/mipmap-hdpi/ic_launcher.webp b/libs/bufferstreams/examples/app/res/mipmap-hdpi/ic_launcher.webp
new file mode 100644
index 0000000000..c209e78ecd
--- /dev/null
+++ b/libs/bufferstreams/examples/app/res/mipmap-hdpi/ic_launcher.webp
diff --git a/libs/bufferstreams/examples/app/res/mipmap-hdpi/ic_launcher_round.webp b/libs/bufferstreams/examples/app/res/mipmap-hdpi/ic_launcher_round.webp
new file mode 100644
index 0000000000..b2dfe3d1ba
--- /dev/null
+++ b/libs/bufferstreams/examples/app/res/mipmap-hdpi/ic_launcher_round.webp
diff --git a/libs/bufferstreams/examples/app/res/mipmap-mdpi/ic_launcher.webp b/libs/bufferstreams/examples/app/res/mipmap-mdpi/ic_launcher.webp
new file mode 100644
index 0000000000..4f0f1d64e5
--- /dev/null
+++ b/libs/bufferstreams/examples/app/res/mipmap-mdpi/ic_launcher.webp
diff --git a/libs/bufferstreams/examples/app/res/mipmap-mdpi/ic_launcher_round.webp b/libs/bufferstreams/examples/app/res/mipmap-mdpi/ic_launcher_round.webp
new file mode 100644
index 0000000000..62b611da08
--- /dev/null
+++ b/libs/bufferstreams/examples/app/res/mipmap-mdpi/ic_launcher_round.webp
diff --git a/libs/bufferstreams/examples/app/res/mipmap-xhdpi/ic_launcher.webp b/libs/bufferstreams/examples/app/res/mipmap-xhdpi/ic_launcher.webp
new file mode 100644
index 0000000000..948a3070fe
--- /dev/null
+++ b/libs/bufferstreams/examples/app/res/mipmap-xhdpi/ic_launcher.webp
diff --git a/libs/bufferstreams/examples/app/res/mipmap-xhdpi/ic_launcher_round.webp b/libs/bufferstreams/examples/app/res/mipmap-xhdpi/ic_launcher_round.webp
new file mode 100644
index 0000000000..1b9a6956b3
--- /dev/null
+++ b/libs/bufferstreams/examples/app/res/mipmap-xhdpi/ic_launcher_round.webp
diff --git a/libs/bufferstreams/examples/app/res/mipmap-xxhdpi/ic_launcher.webp b/libs/bufferstreams/examples/app/res/mipmap-xxhdpi/ic_launcher.webp
new file mode 100644
index 0000000000..28d4b77f9f
--- /dev/null
+++ b/libs/bufferstreams/examples/app/res/mipmap-xxhdpi/ic_launcher.webp
diff --git a/libs/bufferstreams/examples/app/res/mipmap-xxhdpi/ic_launcher_round.webp b/libs/bufferstreams/examples/app/res/mipmap-xxhdpi/ic_launcher_round.webp
new file mode 100644
index 0000000000..9287f50836
--- /dev/null
+++ b/libs/bufferstreams/examples/app/res/mipmap-xxhdpi/ic_launcher_round.webp
diff --git a/libs/bufferstreams/examples/app/res/mipmap-xxxhdpi/ic_launcher.webp b/libs/bufferstreams/examples/app/res/mipmap-xxxhdpi/ic_launcher.webp
new file mode 100644
index 0000000000..aa7d6427e6
--- /dev/null
+++ b/libs/bufferstreams/examples/app/res/mipmap-xxxhdpi/ic_launcher.webp
diff --git a/libs/bufferstreams/examples/app/res/mipmap-xxxhdpi/ic_launcher_round.webp b/libs/bufferstreams/examples/app/res/mipmap-xxxhdpi/ic_launcher_round.webp
new file mode 100644
index 0000000000..9126ae37cb
--- /dev/null
+++ b/libs/bufferstreams/examples/app/res/mipmap-xxxhdpi/ic_launcher_round.webp
diff --git a/libs/bufferstreams/examples/app/res/values/colors.xml b/libs/bufferstreams/examples/app/res/values/colors.xml
new file mode 100644
index 0000000000..f8c6127d32
--- /dev/null
+++ b/libs/bufferstreams/examples/app/res/values/colors.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="purple_200">#FFBB86FC</color>
+    <color name="purple_500">#FF6200EE</color>
+    <color name="purple_700">#FF3700B3</color>
+    <color name="teal_200">#FF03DAC5</color>
+    <color name="teal_700">#FF018786</color>
+    <color name="black">#FF000000</color>
+    <color name="white">#FFFFFFFF</color>
+</resources>
\ No newline at end of file
diff --git a/libs/bufferstreams/examples/app/res/values/strings.xml b/libs/bufferstreams/examples/app/res/values/strings.xml
new file mode 100644
index 0000000000..e652102cb3
--- /dev/null
+++ b/libs/bufferstreams/examples/app/res/values/strings.xml
@@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">Buffer Demos</string>
+</resources>
\ No newline at end of file