Fix missing first frame

Bug: 26776366
Change-Id: I46258c0ff35fdefe5c9f2ee610c904b2dbe8c5d9

2 files changed, 226 insertions, 0 deletions

diff --git a/tests/HwAccelerationTest/AndroidManifest.xml b/tests/HwAccelerationTest/AndroidManifest.xml
index de7b9c268c99..18fd98528855 100644
--- a/tests/HwAccelerationTest/AndroidManifest.xml
+++ b/tests/HwAccelerationTest/AndroidManifest.xml
@@ -347,6 +347,15 @@
         </activity>
 
         <activity
+                android:name="SingleFrameTextureViewTestActivity"
+                android:label="TextureView/SingleFrameTextureViewTest">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="com.android.test.hwui.TEST" />
+            </intent-filter>
+        </activity>
+
+        <activity
                 android:name="HardwareCanvasSurfaceViewActivity"
                 android:label="SurfaceView/HardwareCanvas">
             <intent-filter>
diff --git a/tests/HwAccelerationTest/src/com/android/test/hwui/SingleFrameTextureViewTestActivity.java b/tests/HwAccelerationTest/src/com/android/test/hwui/SingleFrameTextureViewTestActivity.java
new file mode 100644
index 000000000000..4d3826b68247
--- /dev/null
+++ b/tests/HwAccelerationTest/src/com/android/test/hwui/SingleFrameTextureViewTestActivity.java
@@ -0,0 +1,217 @@
+/*
+ * Copyright (C) 2016 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.test.hwui;
+
+import static android.opengl.GLES20.GL_COLOR_BUFFER_BIT;
+import static android.opengl.GLES20.glClear;
+import static android.opengl.GLES20.glClearColor;
+
+import android.app.Activity;
+import android.graphics.Color;
+import android.graphics.SurfaceTexture;
+import android.opengl.GLUtils;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.TextureView;
+import android.view.TextureView.SurfaceTextureListener;
+import android.view.View;
+import android.view.ViewGroup.LayoutParams;
+import android.widget.FrameLayout;
+import android.widget.TextView;
+
+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.egl.EGLSurface;
+
+public class SingleFrameTextureViewTestActivity extends Activity implements SurfaceTextureListener {
+    private static final String LOG_TAG = "SingleFrameTest";
+
+    private View mPreview;
+    private TextureView mTextureView;
+    private Thread mGLThread;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        TextView preview = new TextView(this);
+        preview.setText("This is a preview");
+        preview.setBackgroundColor(Color.WHITE);
+        mPreview = preview;
+        mTextureView = new TextureView(this);
+        mTextureView.setSurfaceTextureListener(this);
+
+        FrameLayout content = new FrameLayout(this);
+        content.addView(mTextureView,
+                LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
+        content.addView(mPreview,
+                LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
+
+        setContentView(content);
+    }
+
+    private void stopGlThread() {
+        if (mGLThread != null) {
+            try {
+                mGLThread.join();
+                mGLThread = null;
+            } catch (InterruptedException e) { }
+        }
+    }
+
+    @Override
+    public void onSurfaceTextureAvailable(SurfaceTexture surface, int width, int height) {
+        Log.d(LOG_TAG, "onSurfaceAvailable");
+        mGLThread = new Thread() {
+            static final int EGL_CONTEXT_CLIENT_VERSION = 0x3098;
+            static final int EGL_OPENGL_ES2_BIT = 4;
+
+            private EGL10 mEgl;
+            private EGLDisplay mEglDisplay;
+            private EGLConfig mEglConfig;
+            private EGLContext mEglContext;
+            private EGLSurface mEglSurface;
+
+            @Override
+            public void run() {
+                initGL();
+                try {
+                    Thread.sleep(500);
+                } catch (InterruptedException e) {}
+
+                for (int i = 0; i < 2; i++) {
+                    if (i == 0) {
+                        glClearColor(0.0f, 0.0f, 1.0f, 1.0f);
+                    } else {
+                        glClearColor(0.0f, 1.0f, 0.0f, 1.0f);
+                    }
+                    glClear(GL_COLOR_BUFFER_BIT);
+                    Log.d(LOG_TAG, "eglSwapBuffers");
+                    if (!mEgl.eglSwapBuffers(mEglDisplay, mEglSurface)) {
+                        throw new RuntimeException("Cannot swap buffers");
+                    }
+                    try {
+                        Thread.sleep(50);
+                    } catch (InterruptedException e) {}
+                }
+
+                try {
+                    Thread.sleep(500);
+                } catch (InterruptedException e) {}
+
+                finishGL();
+            }
+
+            private void finishGL() {
+                mEgl.eglDestroyContext(mEglDisplay, mEglContext);
+                mEgl.eglDestroySurface(mEglDisplay, mEglSurface);
+            }
+
+            private void initGL() {
+                mEgl = (EGL10) EGLContext.getEGL();
+
+                mEglDisplay = mEgl.eglGetDisplay(EGL10.EGL_DEFAULT_DISPLAY);
+                if (mEglDisplay == EGL10.EGL_NO_DISPLAY) {
+                    throw new RuntimeException("eglGetDisplay failed "
+                            + GLUtils.getEGLErrorString(mEgl.eglGetError()));
+                }
+
+                int[] version = new int[2];
+                if (!mEgl.eglInitialize(mEglDisplay, version)) {
+                    throw new RuntimeException("eglInitialize failed " +
+                            GLUtils.getEGLErrorString(mEgl.eglGetError()));
+                }
+
+                mEglConfig = chooseEglConfig();
+                if (mEglConfig == null) {
+                    throw new RuntimeException("eglConfig not initialized");
+                }
+
+                mEglContext = createContext(mEgl, mEglDisplay, mEglConfig);
+
+                mEglSurface = mEgl.eglCreateWindowSurface(mEglDisplay, mEglConfig, surface, null);
+
+                if (mEglSurface == null || mEglSurface == EGL10.EGL_NO_SURFACE) {
+                    int error = mEgl.eglGetError();
+                    if (error == EGL10.EGL_BAD_NATIVE_WINDOW) {
+                        Log.e(LOG_TAG, "createWindowSurface returned EGL_BAD_NATIVE_WINDOW.");
+                        return;
+                    }
+                    throw new RuntimeException("createWindowSurface failed "
+                            + GLUtils.getEGLErrorString(error));
+                }
+
+                if (!mEgl.eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface, mEglContext)) {
+                    throw new RuntimeException("eglMakeCurrent failed "
+                            + GLUtils.getEGLErrorString(mEgl.eglGetError()));
+                }
+            }
+
+
+            EGLContext createContext(EGL10 egl, EGLDisplay eglDisplay, EGLConfig eglConfig) {
+                int[] attrib_list = { EGL_CONTEXT_CLIENT_VERSION, 2, EGL10.EGL_NONE };
+                return egl.eglCreateContext(eglDisplay, eglConfig, EGL10.EGL_NO_CONTEXT, attrib_list);
+            }
+
+            private EGLConfig chooseEglConfig() {
+                int[] configsCount = new int[1];
+                EGLConfig[] configs = new EGLConfig[1];
+                int[] configSpec = getConfig();
+                if (!mEgl.eglChooseConfig(mEglDisplay, configSpec, configs, 1, configsCount)) {
+                    throw new IllegalArgumentException("eglChooseConfig failed " +
+                            GLUtils.getEGLErrorString(mEgl.eglGetError()));
+                } else if (configsCount[0] > 0) {
+                    return configs[0];
+                }
+                return null;
+            }
+
+            private int[] getConfig() {
+                return new int[] {
+                        EGL10.EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
+                        EGL10.EGL_RED_SIZE, 8,
+                        EGL10.EGL_GREEN_SIZE, 8,
+                        EGL10.EGL_BLUE_SIZE, 8,
+                        EGL10.EGL_ALPHA_SIZE, 8,
+                        EGL10.EGL_DEPTH_SIZE, 0,
+                        EGL10.EGL_STENCIL_SIZE, 0,
+                        EGL10.EGL_NONE
+                };
+            }
+        };
+        mGLThread.start();
+    }
+
+    @Override
+    public void onSurfaceTextureSizeChanged(SurfaceTexture surface, int width, int height) {
+        Log.d(LOG_TAG, "onSurfaceTextureSizeChanged");
+    }
+
+    @Override
+    public boolean onSurfaceTextureDestroyed(SurfaceTexture surface) {
+        Log.d(LOG_TAG, "onSurfaceTextureDestroyed");
+        stopGlThread();
+        return true;
+    }
+
+    @Override
+    public void onSurfaceTextureUpdated(SurfaceTexture surface) {
+        Log.d(LOG_TAG, "onSurfaceTextureUpdated");
+        mPreview.setVisibility(View.GONE);
+    }
+}