Add simple interactive end-to-end latency test.

Change-Id: I4c2f2acf797a3a753f8a6061db3d2bcdc7d642f0

5 files changed, 400 insertions, 0 deletions

diff --git a/opengl/tests/testLatency/Android.mk b/opengl/tests/testLatency/Android.mk
new file mode 100644
index 0000000..96417c7
--- /dev/null
+++ b/opengl/tests/testLatency/Android.mk
@@ -0,0 +1,20 @@
+#########################################################################
+# Test end-to-end latency.
+#########################################################################
+
+TOP_LOCAL_PATH:= $(call my-dir)
+
+# Build activity
+
+
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_SDK_VERSION := 8
+LOCAL_MODULE_TAGS := optional
+
+LOCAL_SRC_FILES := $(call all-subdir-java-files)
+
+LOCAL_PACKAGE_NAME := TestLatency
+
+include $(BUILD_PACKAGE)
diff --git a/opengl/tests/testLatency/AndroidManifest.xml b/opengl/tests/testLatency/AndroidManifest.xml
new file mode 100644
index 0000000..741266e
--- /dev/null
+++ b/opengl/tests/testLatency/AndroidManifest.xml
@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+**
+** Copyright 2009, 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.
+*/
+-->
+
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.android.testlatency">
+    <uses-sdk android:targetSdkVersion="8" android:minSdkVersion="8" />
+
+    <application
+            android:label="@string/testLatency_activity">
+        <activity android:name="TestLatencyActivity"
+                android:theme="@android:style/Theme.NoTitleBar.Fullscreen"
+                android:launchMode="singleTask"
+                android:configChanges="orientation|keyboardHidden">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+</manifest>
diff --git a/opengl/tests/testLatency/res/values/strings.xml b/opengl/tests/testLatency/res/values/strings.xml
new file mode 100644
index 0000000..0309991
--- /dev/null
+++ b/opengl/tests/testLatency/res/values/strings.xml
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+**
+** Copyright 2006, 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.
+*/
+-->
+
+<!-- This file contains resource definitions for displayed strings, allowing
+     them to be changed based on the locale and options. -->
+
+<resources>
+    <!-- Simple strings. -->
+    <string name="testLatency_activity">TestLatency</string>
+
+</resources>
+
diff --git a/opengl/tests/testLatency/src/com/android/testlatency/TestLatencyActivity.java b/opengl/tests/testLatency/src/com/android/testlatency/TestLatencyActivity.java
new file mode 100644
index 0000000..ed993cb
--- /dev/null
+++ b/opengl/tests/testLatency/src/com/android/testlatency/TestLatencyActivity.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2007 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.testlatency;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.WindowManager;
+
+import java.io.File;
+
+
+public class TestLatencyActivity extends Activity {
+
+    TestLatencyView mView;
+
+    @Override protected void onCreate(Bundle icicle) {
+        super.onCreate(icicle);
+        mView = new TestLatencyView(getApplication());
+        setContentView(mView);
+        mView.setFocusableInTouchMode(true);
+    }
+
+    @Override protected void onPause() {
+        super.onPause();
+        mView.onPause();
+    }
+
+    @Override protected void onResume() {
+        super.onResume();
+        mView.onResume();
+    }
+}
diff --git a/opengl/tests/testLatency/src/com/android/testlatency/TestLatencyView.java b/opengl/tests/testLatency/src/com/android/testlatency/TestLatencyView.java
new file mode 100644
index 0000000..d62bf17
--- /dev/null
+++ b/opengl/tests/testLatency/src/com/android/testlatency/TestLatencyView.java
@@ -0,0 +1,267 @@
+/*
+ * Copyright (C) 2009 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.testlatency;
+
+import android.content.Context;
+import android.opengl.GLSurfaceView;
+import android.util.AttributeSet;
+import android.util.Log;
+import android.view.KeyEvent;
+import android.view.MotionEvent;
+
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+import java.nio.FloatBuffer;
+
+import javax.microedition.khronos.egl.EGL10;
+import javax.microedition.khronos.egl.EGLConfig;
+import javax.microedition.khronos.egl.EGLContext;
+import javax.microedition.khronos.egl.EGLDisplay;
+import javax.microedition.khronos.opengles.GL10;
+
+import android.opengl.GLES20;
+
+/**
+ * An implementation of SurfaceView that uses the dedicated surface for
+ * displaying an OpenGL animation.  This allows the animation to run in a
+ * separate thread, without requiring that it be driven by the update mechanism
+ * of the view hierarchy.
+ *
+ * The application-specific rendering code is delegated to a GLView.Renderer
+ * instance.
+ */
+class TestLatencyView extends GLSurfaceView {
+    private static String TAG = "TestLatencyiew";
+    private float mX;
+    private float mY;
+    private float mDX;
+    private float mDY;
+    private long  mT;
+    private long  mDT;
+
+    public TestLatencyView(Context context) {
+        super(context);
+        setEGLContextClientVersion(2);
+        setRenderer(new Renderer());
+    }
+
+    @Override
+    public boolean onTouchEvent(MotionEvent event) {
+        switch (event.getAction()) {
+        case MotionEvent.ACTION_MOVE:
+            float x = event.getX();
+            float y = event.getY();
+            long  t = event.getEventTime();
+            synchronized(this) {
+                mDT = t - mT;
+                mT = t;
+                mDX = x - mX;
+                mX = x;
+                mDY = y - mY;
+                mY = y;
+            }
+            break;
+        default:
+            break;
+        }
+        return true;
+    }
+
+    private class Renderer implements GLSurfaceView.Renderer {
+        private float mScaleX, mScaleY, mOffsetX, mOffsetY;
+        private final float MS_PER_FRAME = 1000 / 60;
+        public Renderer() {
+            mTriangleVertices = ByteBuffer.allocateDirect(mTriangleVerticesData.length * 4)
+                .order(ByteOrder.nativeOrder()).asFloatBuffer();
+        }
+
+
+        public void onDrawFrame(GL10 gl) {
+            GLES20.glClearColor(0.4f, 0.4f, 0.4f, 1.0f);
+            GLES20.glClear( GLES20.GL_DEPTH_BUFFER_BIT | GLES20.GL_COLOR_BUFFER_BIT);
+            GLES20.glUseProgram(mProgram);
+            checkGlError("glUseProgram");
+
+            float x, y, dx, dy;
+            long t, dt;
+            synchronized(TestLatencyView.this) {
+                x = mX;
+                y = mY;
+                dx = mDX;
+                dy = mDY;
+                dt = mDT;
+            }
+
+            if (dt > 0) {
+                dx = dx * MS_PER_FRAME / dt;
+                dy = dy * MS_PER_FRAME / dt;
+            }
+
+            GLES20.glEnableVertexAttribArray(mvPositionHandle);
+            checkGlError("glEnableVertexAttribArray");
+            GLES20.glEnableVertexAttribArray(mvColorHandle);
+            checkGlError("glEnableVertexAttribArray");
+            for(int step = 0; step < 8; step++) {
+                float sx = (x + dx * step) * mScaleX + mOffsetX;
+                float sy = (y + dy * step) * mScaleY + mOffsetY;
+                int cbase = step * 4;
+
+                for (int i = 0; i < mTriangleVerticesData.length; i += 6) {
+                    mTriangleVerticesData2[i] = sx + mTriangleVerticesData[i];
+                    mTriangleVerticesData2[i+1] = -sy + mTriangleVerticesData[i+1];
+                    mTriangleVerticesData2[i+2] = mColors[cbase];
+                    mTriangleVerticesData2[i+3] = mColors[cbase+1];
+                    mTriangleVerticesData2[i+4] = mColors[cbase+2];
+                    mTriangleVerticesData2[i+5] = mColors[cbase+3];
+                }
+                mTriangleVertices.position(0);
+                mTriangleVertices.put(mTriangleVerticesData2).position(0);
+
+                GLES20.glVertexAttribPointer(mvPositionHandle, 2, GLES20.GL_FLOAT, false, 6*4, mTriangleVertices);
+                checkGlError("glVertexAttribPointer mvPosition");
+                mTriangleVertices.put(mTriangleVerticesData2).position(2);
+                GLES20.glVertexAttribPointer(mvColorHandle, 4, GLES20.GL_FLOAT, false, 6*4, mTriangleVertices);
+                checkGlError("glVertexAttribPointer mvColor");
+                GLES20.glDrawArrays(GLES20.GL_TRIANGLES, 0, 3);
+                checkGlError("glDrawArrays");
+            }
+        }
+
+        public void onSurfaceChanged(GL10 gl, int width, int height) {
+            GLES20.glViewport(0, 0, width, height);
+            mScaleX = 2.0f / width;
+            mScaleY = 2.0f / height;
+            mOffsetX = -1f;
+            mOffsetY = -1f;
+        }
+
+        public void onSurfaceCreated(GL10 gl, EGLConfig config) {
+            mProgram = createProgram(mVertexShader, mFragmentShader);
+            if (mProgram == 0) {
+                return;
+            }
+            mvPositionHandle = GLES20.glGetAttribLocation(mProgram, "aPosition");
+            checkGlError("glGetAttribLocation");
+            if (mvPositionHandle == -1) {
+                throw new RuntimeException("Could not get attrib location for vPosition");
+            }
+            mvColorHandle = GLES20.glGetAttribLocation(mProgram, "aColor");
+            checkGlError("glGetAttribLocation");
+            if (mvColorHandle == -1) {
+                throw new RuntimeException("Could not get attrib location for vColor");
+            }
+        }
+
+        private int loadShader(int shaderType, String source) {
+            int shader = GLES20.glCreateShader(shaderType);
+            if (shader != 0) {
+                GLES20.glShaderSource(shader, source);
+                GLES20.glCompileShader(shader);
+                int[] compiled = new int[1];
+                GLES20.glGetShaderiv(shader, GLES20.GL_COMPILE_STATUS, compiled, 0);
+                if (compiled[0] == 0) {
+                    Log.e(TAG, "Could not compile shader " + shaderType + ":");
+                    Log.e(TAG, GLES20.glGetShaderInfoLog(shader));
+                    GLES20.glDeleteShader(shader);
+                    shader = 0;
+                }
+            }
+            return shader;
+        }
+
+        private int createProgram(String vertexSource, String fragmentSource) {
+            int vertexShader = loadShader(GLES20.GL_VERTEX_SHADER, vertexSource);
+            if (vertexShader == 0) {
+                return 0;
+            }
+
+            int pixelShader = loadShader(GLES20.GL_FRAGMENT_SHADER, fragmentSource);
+            if (pixelShader == 0) {
+                return 0;
+            }
+
+            int program = GLES20.glCreateProgram();
+            if (program != 0) {
+                GLES20.glAttachShader(program, vertexShader);
+                checkGlError("glAttachShader vertexShader");
+                GLES20.glAttachShader(program, pixelShader);
+                checkGlError("glAttachShader pixelShader");
+                GLES20.glLinkProgram(program);
+                int[] linkStatus = new int[1];
+                GLES20.glGetProgramiv(program, GLES20.GL_LINK_STATUS, linkStatus, 0);
+                if (linkStatus[0] != GLES20.GL_TRUE) {
+                    Log.e(TAG, "Could not link program: ");
+                    Log.e(TAG, GLES20.glGetProgramInfoLog(program));
+                    GLES20.glDeleteProgram(program);
+                    program = 0;
+                }
+            }
+            return program;
+        }
+
+        private void checkGlError(String op) {
+            int error;
+            while ((error = GLES20.glGetError()) != GLES20.GL_NO_ERROR) {
+                Log.e(TAG, op + ": glError " + error);
+                throw new RuntimeException(op + ": glError " + error);
+            }
+        }
+
+        // X, Y, R G B A
+        private final float[] mTriangleVerticesData = {
+                -0.025f, 0.3f, 0.0f, 1.0f, 0.0f, 1.0f,
+                 0.0f  , 0.0f, 0.0f, 1.0f, 0.0f, 1.0f,
+                 0.025f, 0.3f, 1.0f, 1.0f, 255.0f, 1.0f
+                };
+
+        // Color cascade:
+        private final float[] mColors = {
+                0.0f, 0.0f, 0.0f, 1.0f,
+                0.5f, 0.0f, 0.0f, 1.0f,
+                0.0f, 0.5f, 0.0f, 1.0f,
+                0.5f, 0.5f, 0.0f, 1.0f,
+
+                0.0f, 0.0f, 0.5f, 1.0f,
+                1.0f, 0.0f, 0.0f, 1.0f,
+                1.0f, 1.0f, 1.0f, 1.0f,
+                0.0f, 1.0f, 0.0f, 1.0f
+        };
+
+        private float[] mTriangleVerticesData2 = new float[mTriangleVerticesData.length];
+        private FloatBuffer mTriangleVertices;
+
+        private final String mVertexShader = "attribute vec4 aPosition;\n"
+            + "attribute vec4 aColor;\n"
+            + "varying vec4 vColor;\n"
+            + "void main() {\n"
+            + "  gl_Position = aPosition;\n"
+            + "  vColor = aColor;\n"
+            + "}\n";
+
+        private final String mFragmentShader = "precision mediump float;\n"
+            + "varying vec4 vColor;\n"
+            + "void main() {\n"
+            + "  gl_FragColor = vColor;\n"
+            + "}\n";
+
+        private int mProgram;
+        private int mvPositionHandle;
+        private int mvColorHandle;
+
+    }
+}
+