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      1 /*
      2  * Copyright (C) 2011 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #define LOG_TAG "SurfaceTexture_test"
     18 //#define LOG_NDEBUG 0
     19 
     20 #include <gtest/gtest.h>
     21 #include <gui/SurfaceTexture.h>
     22 #include <gui/SurfaceTextureClient.h>
     23 #include <ui/GraphicBuffer.h>
     24 #include <utils/String8.h>
     25 #include <utils/threads.h>
     26 
     27 #include <gui/ISurfaceComposer.h>
     28 #include <gui/Surface.h>
     29 #include <gui/SurfaceComposerClient.h>
     30 
     31 #include <EGL/egl.h>
     32 #include <EGL/eglext.h>
     33 #include <GLES2/gl2.h>
     34 #include <GLES2/gl2ext.h>
     35 
     36 #include <ui/FramebufferNativeWindow.h>
     37 
     38 namespace android {
     39 
     40 class GLTest : public ::testing::Test {
     41 protected:
     42 
     43     GLTest():
     44             mEglDisplay(EGL_NO_DISPLAY),
     45             mEglSurface(EGL_NO_SURFACE),
     46             mEglContext(EGL_NO_CONTEXT) {
     47     }
     48 
     49     virtual void SetUp() {
     50         const ::testing::TestInfo* const testInfo =
     51             ::testing::UnitTest::GetInstance()->current_test_info();
     52         ALOGV("Begin test: %s.%s", testInfo->test_case_name(),
     53                 testInfo->name());
     54 
     55         mEglDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY);
     56         ASSERT_EQ(EGL_SUCCESS, eglGetError());
     57         ASSERT_NE(EGL_NO_DISPLAY, mEglDisplay);
     58 
     59         EGLint majorVersion;
     60         EGLint minorVersion;
     61         EXPECT_TRUE(eglInitialize(mEglDisplay, &majorVersion, &minorVersion));
     62         ASSERT_EQ(EGL_SUCCESS, eglGetError());
     63         RecordProperty("EglVersionMajor", majorVersion);
     64         RecordProperty("EglVersionMajor", minorVersion);
     65 
     66         EGLint numConfigs = 0;
     67         EXPECT_TRUE(eglChooseConfig(mEglDisplay, getConfigAttribs(), &mGlConfig,
     68                 1, &numConfigs));
     69         ASSERT_EQ(EGL_SUCCESS, eglGetError());
     70 
     71         char* displaySecsEnv = getenv("GLTEST_DISPLAY_SECS");
     72         if (displaySecsEnv != NULL) {
     73             mDisplaySecs = atoi(displaySecsEnv);
     74             if (mDisplaySecs < 0) {
     75                 mDisplaySecs = 0;
     76             }
     77         } else {
     78             mDisplaySecs = 0;
     79         }
     80 
     81         if (mDisplaySecs > 0) {
     82             mComposerClient = new SurfaceComposerClient;
     83             ASSERT_EQ(NO_ERROR, mComposerClient->initCheck());
     84 
     85             mSurfaceControl = mComposerClient->createSurface(
     86                     String8("Test Surface"),
     87                     getSurfaceWidth(), getSurfaceHeight(),
     88                     PIXEL_FORMAT_RGB_888, 0);
     89 
     90             ASSERT_TRUE(mSurfaceControl != NULL);
     91             ASSERT_TRUE(mSurfaceControl->isValid());
     92 
     93             SurfaceComposerClient::openGlobalTransaction();
     94             ASSERT_EQ(NO_ERROR, mSurfaceControl->setLayer(0x7FFFFFFF));
     95             ASSERT_EQ(NO_ERROR, mSurfaceControl->show());
     96             SurfaceComposerClient::closeGlobalTransaction();
     97 
     98             sp<ANativeWindow> window = mSurfaceControl->getSurface();
     99             mEglSurface = eglCreateWindowSurface(mEglDisplay, mGlConfig,
    100                     window.get(), NULL);
    101         } else {
    102             EGLint pbufferAttribs[] = {
    103                 EGL_WIDTH, getSurfaceWidth(),
    104                 EGL_HEIGHT, getSurfaceHeight(),
    105                 EGL_NONE };
    106 
    107             mEglSurface = eglCreatePbufferSurface(mEglDisplay, mGlConfig,
    108                     pbufferAttribs);
    109         }
    110         ASSERT_EQ(EGL_SUCCESS, eglGetError());
    111         ASSERT_NE(EGL_NO_SURFACE, mEglSurface);
    112 
    113         mEglContext = eglCreateContext(mEglDisplay, mGlConfig, EGL_NO_CONTEXT,
    114                 getContextAttribs());
    115         ASSERT_EQ(EGL_SUCCESS, eglGetError());
    116         ASSERT_NE(EGL_NO_CONTEXT, mEglContext);
    117 
    118         EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
    119                 mEglContext));
    120         ASSERT_EQ(EGL_SUCCESS, eglGetError());
    121 
    122         EGLint w, h;
    123         EXPECT_TRUE(eglQuerySurface(mEglDisplay, mEglSurface, EGL_WIDTH, &w));
    124         ASSERT_EQ(EGL_SUCCESS, eglGetError());
    125         EXPECT_TRUE(eglQuerySurface(mEglDisplay, mEglSurface, EGL_HEIGHT, &h));
    126         ASSERT_EQ(EGL_SUCCESS, eglGetError());
    127         RecordProperty("EglSurfaceWidth", w);
    128         RecordProperty("EglSurfaceHeight", h);
    129 
    130         glViewport(0, 0, w, h);
    131         ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
    132     }
    133 
    134     virtual void TearDown() {
    135         // Display the result
    136         if (mDisplaySecs > 0 && mEglSurface != EGL_NO_SURFACE) {
    137             eglSwapBuffers(mEglDisplay, mEglSurface);
    138             sleep(mDisplaySecs);
    139         }
    140 
    141         if (mComposerClient != NULL) {
    142             mComposerClient->dispose();
    143         }
    144         if (mEglContext != EGL_NO_CONTEXT) {
    145             eglDestroyContext(mEglDisplay, mEglContext);
    146         }
    147         if (mEglSurface != EGL_NO_SURFACE) {
    148             eglDestroySurface(mEglDisplay, mEglSurface);
    149         }
    150         if (mEglDisplay != EGL_NO_DISPLAY) {
    151             eglMakeCurrent(mEglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE,
    152                     EGL_NO_CONTEXT);
    153             eglTerminate(mEglDisplay);
    154         }
    155         ASSERT_EQ(EGL_SUCCESS, eglGetError());
    156 
    157         const ::testing::TestInfo* const testInfo =
    158             ::testing::UnitTest::GetInstance()->current_test_info();
    159         ALOGV("End test:   %s.%s", testInfo->test_case_name(),
    160                 testInfo->name());
    161     }
    162 
    163     virtual EGLint const* getConfigAttribs() {
    164         static EGLint sDefaultConfigAttribs[] = {
    165             EGL_SURFACE_TYPE, EGL_PBUFFER_BIT,
    166             EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
    167             EGL_RED_SIZE, 8,
    168             EGL_GREEN_SIZE, 8,
    169             EGL_BLUE_SIZE, 8,
    170             EGL_ALPHA_SIZE, 8,
    171             EGL_DEPTH_SIZE, 16,
    172             EGL_STENCIL_SIZE, 8,
    173             EGL_NONE };
    174 
    175         return sDefaultConfigAttribs;
    176     }
    177 
    178     virtual EGLint const* getContextAttribs() {
    179         static EGLint sDefaultContextAttribs[] = {
    180             EGL_CONTEXT_CLIENT_VERSION, 2,
    181             EGL_NONE };
    182 
    183         return sDefaultContextAttribs;
    184     }
    185 
    186     virtual EGLint getSurfaceWidth() {
    187         return 512;
    188     }
    189 
    190     virtual EGLint getSurfaceHeight() {
    191         return 512;
    192     }
    193 
    194     ::testing::AssertionResult checkPixel(int x, int y, int r,
    195             int g, int b, int a, int tolerance=2) {
    196         GLubyte pixel[4];
    197         String8 msg;
    198         glReadPixels(x, y, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, pixel);
    199         GLenum err = glGetError();
    200         if (err != GL_NO_ERROR) {
    201             msg += String8::format("error reading pixel: %#x", err);
    202             while ((err = glGetError()) != GL_NO_ERROR) {
    203                 msg += String8::format(", %#x", err);
    204             }
    205             fprintf(stderr, "pixel check failure: %s\n", msg.string());
    206             return ::testing::AssertionFailure(
    207                     ::testing::Message(msg.string()));
    208         }
    209         if (r >= 0 && abs(r - int(pixel[0])) > tolerance) {
    210             msg += String8::format("r(%d isn't %d)", pixel[0], r);
    211         }
    212         if (g >= 0 && abs(g - int(pixel[1])) > tolerance) {
    213             if (!msg.isEmpty()) {
    214                 msg += " ";
    215             }
    216             msg += String8::format("g(%d isn't %d)", pixel[1], g);
    217         }
    218         if (b >= 0 && abs(b - int(pixel[2])) > tolerance) {
    219             if (!msg.isEmpty()) {
    220                 msg += " ";
    221             }
    222             msg += String8::format("b(%d isn't %d)", pixel[2], b);
    223         }
    224         if (a >= 0 && abs(a - int(pixel[3])) > tolerance) {
    225             if (!msg.isEmpty()) {
    226                 msg += " ";
    227             }
    228             msg += String8::format("a(%d isn't %d)", pixel[3], a);
    229         }
    230         if (!msg.isEmpty()) {
    231             fprintf(stderr, "pixel check failure: %s\n", msg.string());
    232             return ::testing::AssertionFailure(
    233                     ::testing::Message(msg.string()));
    234         } else {
    235             return ::testing::AssertionSuccess();
    236         }
    237     }
    238 
    239     ::testing::AssertionResult assertRectEq(const Rect &r1,
    240         const Rect &r2, int tolerance=1) {
    241 
    242         String8 msg;
    243 
    244         if (abs(r1.left - r2.left) > tolerance) {
    245             msg += String8::format("left(%d isn't %d)", r1.left, r2.left);
    246         }
    247         if (abs(r1.top - r2.top) > tolerance) {
    248             if (!msg.isEmpty()) {
    249                 msg += " ";
    250             }
    251             msg += String8::format("top(%d isn't %d)", r1.top, r2.top);
    252         }
    253         if (abs(r1.right - r2.right) > tolerance) {
    254             if (!msg.isEmpty()) {
    255                 msg += " ";
    256             }
    257             msg += String8::format("right(%d isn't %d)", r1.right, r2.right);
    258         }
    259         if (abs(r1.bottom - r2.bottom) > tolerance) {
    260             if (!msg.isEmpty()) {
    261                 msg += " ";
    262             }
    263             msg += String8::format("bottom(%d isn't %d)", r1.bottom, r2.bottom);
    264         }
    265         if (!msg.isEmpty()) {
    266             msg += String8::format(" R1: [%d %d %d %d] R2: [%d %d %d %d]",
    267                 r1.left, r1.top, r1.right, r1.bottom,
    268                 r2.left, r2.top, r2.right, r2.bottom);
    269             fprintf(stderr, "assertRectEq: %s\n", msg.string());
    270             return ::testing::AssertionFailure(
    271                     ::testing::Message(msg.string()));
    272         } else {
    273             return ::testing::AssertionSuccess();
    274         }
    275     }
    276 
    277     int mDisplaySecs;
    278     sp<SurfaceComposerClient> mComposerClient;
    279     sp<SurfaceControl> mSurfaceControl;
    280 
    281     EGLDisplay mEglDisplay;
    282     EGLSurface mEglSurface;
    283     EGLContext mEglContext;
    284     EGLConfig  mGlConfig;
    285 };
    286 
    287 static void loadShader(GLenum shaderType, const char* pSource,
    288         GLuint* outShader) {
    289     GLuint shader = glCreateShader(shaderType);
    290     ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
    291     if (shader) {
    292         glShaderSource(shader, 1, &pSource, NULL);
    293         ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
    294         glCompileShader(shader);
    295         ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
    296         GLint compiled = 0;
    297         glGetShaderiv(shader, GL_COMPILE_STATUS, &compiled);
    298         ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
    299         if (!compiled) {
    300             GLint infoLen = 0;
    301             glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &infoLen);
    302             ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
    303             if (infoLen) {
    304                 char* buf = (char*) malloc(infoLen);
    305                 if (buf) {
    306                     glGetShaderInfoLog(shader, infoLen, NULL, buf);
    307                     printf("Shader compile log:\n%s\n", buf);
    308                     free(buf);
    309                     FAIL();
    310                 }
    311             } else {
    312                 char* buf = (char*) malloc(0x1000);
    313                 if (buf) {
    314                     glGetShaderInfoLog(shader, 0x1000, NULL, buf);
    315                     printf("Shader compile log:\n%s\n", buf);
    316                     free(buf);
    317                     FAIL();
    318                 }
    319             }
    320             glDeleteShader(shader);
    321             shader = 0;
    322         }
    323     }
    324     ASSERT_TRUE(shader != 0);
    325     *outShader = shader;
    326 }
    327 
    328 static void createProgram(const char* pVertexSource,
    329         const char* pFragmentSource, GLuint* outPgm) {
    330     GLuint vertexShader, fragmentShader;
    331     {
    332         SCOPED_TRACE("compiling vertex shader");
    333         ASSERT_NO_FATAL_FAILURE(loadShader(GL_VERTEX_SHADER, pVertexSource,
    334                 &vertexShader));
    335     }
    336     {
    337         SCOPED_TRACE("compiling fragment shader");
    338         ASSERT_NO_FATAL_FAILURE(loadShader(GL_FRAGMENT_SHADER, pFragmentSource,
    339                 &fragmentShader));
    340     }
    341 
    342     GLuint program = glCreateProgram();
    343     ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
    344     if (program) {
    345         glAttachShader(program, vertexShader);
    346         ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
    347         glAttachShader(program, fragmentShader);
    348         ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
    349         glLinkProgram(program);
    350         GLint linkStatus = GL_FALSE;
    351         glGetProgramiv(program, GL_LINK_STATUS, &linkStatus);
    352         if (linkStatus != GL_TRUE) {
    353             GLint bufLength = 0;
    354             glGetProgramiv(program, GL_INFO_LOG_LENGTH, &bufLength);
    355             if (bufLength) {
    356                 char* buf = (char*) malloc(bufLength);
    357                 if (buf) {
    358                     glGetProgramInfoLog(program, bufLength, NULL, buf);
    359                     printf("Program link log:\n%s\n", buf);
    360                     free(buf);
    361                     FAIL();
    362                 }
    363             }
    364             glDeleteProgram(program);
    365             program = 0;
    366         }
    367     }
    368     glDeleteShader(vertexShader);
    369     glDeleteShader(fragmentShader);
    370     ASSERT_TRUE(program != 0);
    371     *outPgm = program;
    372 }
    373 
    374 static int abs(int value) {
    375     return value > 0 ? value : -value;
    376 }
    377 
    378 
    379 // XXX: Code above this point should live elsewhere
    380 
    381 class SurfaceTextureGLTest : public GLTest {
    382 protected:
    383     enum { TEX_ID = 123 };
    384 
    385     virtual void SetUp() {
    386         GLTest::SetUp();
    387         mST = new SurfaceTexture(TEX_ID);
    388         mSTC = new SurfaceTextureClient(mST);
    389         mANW = mSTC;
    390         mTextureRenderer = new TextureRenderer(TEX_ID, mST);
    391         ASSERT_NO_FATAL_FAILURE(mTextureRenderer->SetUp());
    392         mFW = new FrameWaiter;
    393         mST->setFrameAvailableListener(mFW);
    394     }
    395 
    396     virtual void TearDown() {
    397         mANW.clear();
    398         mSTC.clear();
    399         mST.clear();
    400         GLTest::TearDown();
    401     }
    402 
    403     void drawTexture() {
    404         mTextureRenderer->drawTexture();
    405     }
    406 
    407     class TextureRenderer: public RefBase {
    408     public:
    409         TextureRenderer(GLuint texName, const sp<SurfaceTexture>& st):
    410                 mTexName(texName),
    411                 mST(st) {
    412         }
    413 
    414         void SetUp() {
    415             const char vsrc[] =
    416                 "attribute vec4 vPosition;\n"
    417                 "varying vec2 texCoords;\n"
    418                 "uniform mat4 texMatrix;\n"
    419                 "void main() {\n"
    420                 "  vec2 vTexCoords = 0.5 * (vPosition.xy + vec2(1.0, 1.0));\n"
    421                 "  texCoords = (texMatrix * vec4(vTexCoords, 0.0, 1.0)).xy;\n"
    422                 "  gl_Position = vPosition;\n"
    423                 "}\n";
    424 
    425             const char fsrc[] =
    426                 "#extension GL_OES_EGL_image_external : require\n"
    427                 "precision mediump float;\n"
    428                 "uniform samplerExternalOES texSampler;\n"
    429                 "varying vec2 texCoords;\n"
    430                 "void main() {\n"
    431                 "  gl_FragColor = texture2D(texSampler, texCoords);\n"
    432                 "}\n";
    433 
    434             {
    435                 SCOPED_TRACE("creating shader program");
    436                 ASSERT_NO_FATAL_FAILURE(createProgram(vsrc, fsrc, &mPgm));
    437             }
    438 
    439             mPositionHandle = glGetAttribLocation(mPgm, "vPosition");
    440             ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
    441             ASSERT_NE(-1, mPositionHandle);
    442             mTexSamplerHandle = glGetUniformLocation(mPgm, "texSampler");
    443             ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
    444             ASSERT_NE(-1, mTexSamplerHandle);
    445             mTexMatrixHandle = glGetUniformLocation(mPgm, "texMatrix");
    446             ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
    447             ASSERT_NE(-1, mTexMatrixHandle);
    448         }
    449 
    450         // drawTexture draws the SurfaceTexture over the entire GL viewport.
    451         void drawTexture() {
    452             static const GLfloat triangleVertices[] = {
    453                 -1.0f, 1.0f,
    454                 -1.0f, -1.0f,
    455                 1.0f, -1.0f,
    456                 1.0f, 1.0f,
    457             };
    458 
    459             glVertexAttribPointer(mPositionHandle, 2, GL_FLOAT, GL_FALSE, 0,
    460                     triangleVertices);
    461             ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
    462             glEnableVertexAttribArray(mPositionHandle);
    463             ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
    464 
    465             glUseProgram(mPgm);
    466             glUniform1i(mTexSamplerHandle, 0);
    467             ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
    468             glBindTexture(GL_TEXTURE_EXTERNAL_OES, mTexName);
    469             ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
    470 
    471             // XXX: These calls are not needed for GL_TEXTURE_EXTERNAL_OES as
    472             // they're setting the defautls for that target, but when hacking
    473             // things to use GL_TEXTURE_2D they are needed to achieve the same
    474             // behavior.
    475             glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_MIN_FILTER,
    476                     GL_LINEAR);
    477             ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
    478             glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_MAG_FILTER,
    479                     GL_LINEAR);
    480             ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
    481             glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_WRAP_S,
    482                     GL_CLAMP_TO_EDGE);
    483             ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
    484             glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_WRAP_T,
    485                     GL_CLAMP_TO_EDGE);
    486             ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
    487 
    488             GLfloat texMatrix[16];
    489             mST->getTransformMatrix(texMatrix);
    490             glUniformMatrix4fv(mTexMatrixHandle, 1, GL_FALSE, texMatrix);
    491 
    492             glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
    493             ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
    494         }
    495 
    496         GLuint mTexName;
    497         sp<SurfaceTexture> mST;
    498         GLuint mPgm;
    499         GLint mPositionHandle;
    500         GLint mTexSamplerHandle;
    501         GLint mTexMatrixHandle;
    502     };
    503 
    504     class FrameWaiter : public SurfaceTexture::FrameAvailableListener {
    505     public:
    506         FrameWaiter():
    507                 mPendingFrames(0) {
    508         }
    509 
    510         void waitForFrame() {
    511             Mutex::Autolock lock(mMutex);
    512             while (mPendingFrames == 0) {
    513                 mCondition.wait(mMutex);
    514             }
    515             mPendingFrames--;
    516         }
    517 
    518         virtual void onFrameAvailable() {
    519             Mutex::Autolock lock(mMutex);
    520             mPendingFrames++;
    521             mCondition.signal();
    522         }
    523 
    524         int mPendingFrames;
    525         Mutex mMutex;
    526         Condition mCondition;
    527     };
    528 
    529     // Note that SurfaceTexture will lose the notifications
    530     // onBuffersReleased and onFrameAvailable as there is currently
    531     // no way to forward the events.  This DisconnectWaiter will not let the
    532     // disconnect finish until finishDisconnect() is called.  It will
    533     // also block until a disconnect is called
    534     class DisconnectWaiter : public BufferQueue::ConsumerListener {
    535     public:
    536         DisconnectWaiter () :
    537             mWaitForDisconnect(false),
    538             mPendingFrames(0) {
    539         }
    540 
    541         void waitForFrame() {
    542             Mutex::Autolock lock(mMutex);
    543             while (mPendingFrames == 0) {
    544                 mFrameCondition.wait(mMutex);
    545             }
    546             mPendingFrames--;
    547         }
    548 
    549         virtual void onFrameAvailable() {
    550             Mutex::Autolock lock(mMutex);
    551             mPendingFrames++;
    552             mFrameCondition.signal();
    553         }
    554 
    555         virtual void onBuffersReleased() {
    556             Mutex::Autolock lock(mMutex);
    557             while (!mWaitForDisconnect) {
    558                 mDisconnectCondition.wait(mMutex);
    559             }
    560         }
    561 
    562         void finishDisconnect() {
    563             Mutex::Autolock lock(mMutex);
    564             mWaitForDisconnect = true;
    565             mDisconnectCondition.signal();
    566         }
    567 
    568     private:
    569         Mutex mMutex;
    570 
    571         bool mWaitForDisconnect;
    572         Condition mDisconnectCondition;
    573 
    574         int mPendingFrames;
    575         Condition mFrameCondition;
    576     };
    577 
    578     sp<SurfaceTexture> mST;
    579     sp<SurfaceTextureClient> mSTC;
    580     sp<ANativeWindow> mANW;
    581     sp<TextureRenderer> mTextureRenderer;
    582     sp<FrameWaiter> mFW;
    583 };
    584 
    585 // Fill a YV12 buffer with a multi-colored checkerboard pattern
    586 void fillYV12Buffer(uint8_t* buf, int w, int h, int stride) {
    587     const int blockWidth = w > 16 ? w / 16 : 1;
    588     const int blockHeight = h > 16 ? h / 16 : 1;
    589     const int yuvTexOffsetY = 0;
    590     int yuvTexStrideY = stride;
    591     int yuvTexOffsetV = yuvTexStrideY * h;
    592     int yuvTexStrideV = (yuvTexStrideY/2 + 0xf) & ~0xf;
    593     int yuvTexOffsetU = yuvTexOffsetV + yuvTexStrideV * h/2;
    594     int yuvTexStrideU = yuvTexStrideV;
    595     for (int x = 0; x < w; x++) {
    596         for (int y = 0; y < h; y++) {
    597             int parityX = (x / blockWidth) & 1;
    598             int parityY = (y / blockHeight) & 1;
    599             unsigned char intensity = (parityX ^ parityY) ? 63 : 191;
    600             buf[yuvTexOffsetY + (y * yuvTexStrideY) + x] = intensity;
    601             if (x < w / 2 && y < h / 2) {
    602                 buf[yuvTexOffsetU + (y * yuvTexStrideU) + x] = intensity;
    603                 if (x * 2 < w / 2 && y * 2 < h / 2) {
    604                     buf[yuvTexOffsetV + (y*2 * yuvTexStrideV) + x*2 + 0] =
    605                     buf[yuvTexOffsetV + (y*2 * yuvTexStrideV) + x*2 + 1] =
    606                     buf[yuvTexOffsetV + ((y*2+1) * yuvTexStrideV) + x*2 + 0] =
    607                     buf[yuvTexOffsetV + ((y*2+1) * yuvTexStrideV) + x*2 + 1] =
    608                         intensity;
    609                 }
    610             }
    611         }
    612     }
    613 }
    614 
    615 // Fill a YV12 buffer with red outside a given rectangle and green inside it.
    616 void fillYV12BufferRect(uint8_t* buf, int w, int h, int stride,
    617         const android_native_rect_t& rect) {
    618     const int yuvTexOffsetY = 0;
    619     int yuvTexStrideY = stride;
    620     int yuvTexOffsetV = yuvTexStrideY * h;
    621     int yuvTexStrideV = (yuvTexStrideY/2 + 0xf) & ~0xf;
    622     int yuvTexOffsetU = yuvTexOffsetV + yuvTexStrideV * h/2;
    623     int yuvTexStrideU = yuvTexStrideV;
    624     for (int x = 0; x < w; x++) {
    625         for (int y = 0; y < h; y++) {
    626             bool inside = rect.left <= x && x < rect.right &&
    627                     rect.top <= y && y < rect.bottom;
    628             buf[yuvTexOffsetY + (y * yuvTexStrideY) + x] = inside ? 240 : 64;
    629             if (x < w / 2 && y < h / 2) {
    630                 bool inside = rect.left <= 2*x && 2*x < rect.right &&
    631                         rect.top <= 2*y && 2*y < rect.bottom;
    632                 buf[yuvTexOffsetU + (y * yuvTexStrideU) + x] = 16;
    633                 buf[yuvTexOffsetV + (y * yuvTexStrideV) + x] =
    634                         inside ? 16 : 255;
    635             }
    636         }
    637     }
    638 }
    639 
    640 void fillRGBA8Buffer(uint8_t* buf, int w, int h, int stride) {
    641     const size_t PIXEL_SIZE = 4;
    642     for (int x = 0; x < w; x++) {
    643         for (int y = 0; y < h; y++) {
    644             off_t offset = (y * stride + x) * PIXEL_SIZE;
    645             for (int c = 0; c < 4; c++) {
    646                 int parityX = (x / (1 << (c+2))) & 1;
    647                 int parityY = (y / (1 << (c+2))) & 1;
    648                 buf[offset + c] = (parityX ^ parityY) ? 231 : 35;
    649             }
    650         }
    651     }
    652 }
    653 
    654 void fillRGBA8BufferSolid(uint8_t* buf, int w, int h, int stride, uint8_t r,
    655         uint8_t g, uint8_t b, uint8_t a) {
    656     const size_t PIXEL_SIZE = 4;
    657     for (int y = 0; y < h; y++) {
    658         for (int x = 0; x < h; x++) {
    659             off_t offset = (y * stride + x) * PIXEL_SIZE;
    660             buf[offset + 0] = r;
    661             buf[offset + 1] = g;
    662             buf[offset + 2] = b;
    663             buf[offset + 3] = a;
    664         }
    665     }
    666 }
    667 
    668 // Produce a single RGBA8 frame by filling a buffer with a checkerboard pattern
    669 // using the CPU.  This assumes that the ANativeWindow is already configured to
    670 // allow this to be done (e.g. the format is set to RGBA8).
    671 //
    672 // Calls to this function should be wrapped in an ASSERT_NO_FATAL_FAILURE().
    673 void produceOneRGBA8Frame(const sp<ANativeWindow>& anw) {
    674     android_native_buffer_t* anb;
    675     ASSERT_EQ(NO_ERROR, native_window_dequeue_buffer_and_wait(anw.get(),
    676             &anb));
    677     ASSERT_TRUE(anb != NULL);
    678 
    679     sp<GraphicBuffer> buf(new GraphicBuffer(anb, false));
    680 
    681     uint8_t* img = NULL;
    682     ASSERT_EQ(NO_ERROR, buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN,
    683             (void**)(&img)));
    684     fillRGBA8Buffer(img, buf->getWidth(), buf->getHeight(), buf->getStride());
    685     ASSERT_EQ(NO_ERROR, buf->unlock());
    686     ASSERT_EQ(NO_ERROR, anw->queueBuffer(anw.get(), buf->getNativeBuffer(),
    687             -1));
    688 }
    689 
    690 TEST_F(SurfaceTextureGLTest, TexturingFromCpuFilledYV12BufferNpot) {
    691     const int texWidth = 64;
    692     const int texHeight = 66;
    693 
    694     ASSERT_EQ(NO_ERROR, native_window_set_buffers_geometry(mANW.get(),
    695             texWidth, texHeight, HAL_PIXEL_FORMAT_YV12));
    696     ASSERT_EQ(NO_ERROR, native_window_set_usage(mANW.get(),
    697             GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN));
    698 
    699     ANativeWindowBuffer* anb;
    700     ASSERT_EQ(NO_ERROR, native_window_dequeue_buffer_and_wait(mANW.get(),
    701             &anb));
    702     ASSERT_TRUE(anb != NULL);
    703 
    704     sp<GraphicBuffer> buf(new GraphicBuffer(anb, false));
    705 
    706     // Fill the buffer with the a checkerboard pattern
    707     uint8_t* img = NULL;
    708     buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN, (void**)(&img));
    709     fillYV12Buffer(img, texWidth, texHeight, buf->getStride());
    710     buf->unlock();
    711     ASSERT_EQ(NO_ERROR, mANW->queueBuffer(mANW.get(), buf->getNativeBuffer(),
    712             -1));
    713 
    714     ASSERT_EQ(NO_ERROR, mST->updateTexImage());
    715 
    716     glClearColor(0.2, 0.2, 0.2, 0.2);
    717     glClear(GL_COLOR_BUFFER_BIT);
    718 
    719     glViewport(0, 0, texWidth, texHeight);
    720     drawTexture();
    721 
    722     EXPECT_TRUE(checkPixel( 0,  0, 255, 127, 255, 255));
    723     EXPECT_TRUE(checkPixel(63,  0,   0, 133,   0, 255));
    724     EXPECT_TRUE(checkPixel(63, 65,   0, 133,   0, 255));
    725     EXPECT_TRUE(checkPixel( 0, 65, 255, 127, 255, 255));
    726 
    727     EXPECT_TRUE(checkPixel(22, 44, 255, 127, 255, 255));
    728     EXPECT_TRUE(checkPixel(45, 52, 255, 127, 255, 255));
    729     EXPECT_TRUE(checkPixel(52, 51,  98, 255,  73, 255));
    730     EXPECT_TRUE(checkPixel( 7, 31, 155,   0, 118, 255));
    731     EXPECT_TRUE(checkPixel(31,  9, 107,  24,  87, 255));
    732     EXPECT_TRUE(checkPixel(29, 35, 255, 127, 255, 255));
    733     EXPECT_TRUE(checkPixel(36, 22, 155,  29,   0, 255));
    734 }
    735 
    736 TEST_F(SurfaceTextureGLTest, TexturingFromCpuFilledYV12BufferPow2) {
    737     const int texWidth = 64;
    738     const int texHeight = 64;
    739 
    740     ASSERT_EQ(NO_ERROR, native_window_set_buffers_geometry(mANW.get(),
    741             texWidth, texHeight, HAL_PIXEL_FORMAT_YV12));
    742     ASSERT_EQ(NO_ERROR, native_window_set_usage(mANW.get(),
    743             GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN));
    744 
    745     ANativeWindowBuffer* anb;
    746     ASSERT_EQ(NO_ERROR, native_window_dequeue_buffer_and_wait(mANW.get(),
    747             &anb));
    748     ASSERT_TRUE(anb != NULL);
    749 
    750     sp<GraphicBuffer> buf(new GraphicBuffer(anb, false));
    751 
    752     // Fill the buffer with the a checkerboard pattern
    753     uint8_t* img = NULL;
    754     buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN, (void**)(&img));
    755     fillYV12Buffer(img, texWidth, texHeight, buf->getStride());
    756     buf->unlock();
    757     ASSERT_EQ(NO_ERROR, mANW->queueBuffer(mANW.get(), buf->getNativeBuffer(),
    758             -1));
    759 
    760     ASSERT_EQ(NO_ERROR, mST->updateTexImage());
    761 
    762     glClearColor(0.2, 0.2, 0.2, 0.2);
    763     glClear(GL_COLOR_BUFFER_BIT);
    764 
    765     glViewport(0, 0, texWidth, texHeight);
    766     drawTexture();
    767 
    768     EXPECT_TRUE(checkPixel( 0,  0,   0, 133,   0, 255));
    769     EXPECT_TRUE(checkPixel(63,  0, 255, 127, 255, 255));
    770     EXPECT_TRUE(checkPixel(63, 63,   0, 133,   0, 255));
    771     EXPECT_TRUE(checkPixel( 0, 63, 255, 127, 255, 255));
    772 
    773     EXPECT_TRUE(checkPixel(22, 19, 100, 255,  74, 255));
    774     EXPECT_TRUE(checkPixel(45, 11, 100, 255,  74, 255));
    775     EXPECT_TRUE(checkPixel(52, 12, 155,   0, 181, 255));
    776     EXPECT_TRUE(checkPixel( 7, 32, 150, 237, 170, 255));
    777     EXPECT_TRUE(checkPixel(31, 54,   0,  71, 117, 255));
    778     EXPECT_TRUE(checkPixel(29, 28,   0, 133,   0, 255));
    779     EXPECT_TRUE(checkPixel(36, 41, 100, 232, 255, 255));
    780 }
    781 
    782 TEST_F(SurfaceTextureGLTest, TexturingFromCpuFilledYV12BufferWithCrop) {
    783     const int texWidth = 64;
    784     const int texHeight = 66;
    785 
    786     ASSERT_EQ(NO_ERROR, native_window_set_buffers_geometry(mANW.get(),
    787             texWidth, texHeight, HAL_PIXEL_FORMAT_YV12));
    788     ASSERT_EQ(NO_ERROR, native_window_set_usage(mANW.get(),
    789             GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN));
    790 
    791     android_native_rect_t crops[] = {
    792         {4, 6, 22, 36},
    793         {0, 6, 22, 36},
    794         {4, 0, 22, 36},
    795         {4, 6, texWidth, 36},
    796         {4, 6, 22, texHeight},
    797     };
    798 
    799     for (int i = 0; i < 5; i++) {
    800         const android_native_rect_t& crop(crops[i]);
    801         SCOPED_TRACE(String8::format("rect{ l: %d t: %d r: %d b: %d }",
    802                 crop.left, crop.top, crop.right, crop.bottom).string());
    803 
    804         ASSERT_EQ(NO_ERROR, native_window_set_crop(mANW.get(), &crop));
    805 
    806         ANativeWindowBuffer* anb;
    807         ASSERT_EQ(NO_ERROR, native_window_dequeue_buffer_and_wait(mANW.get(),
    808                 &anb));
    809         ASSERT_TRUE(anb != NULL);
    810 
    811         sp<GraphicBuffer> buf(new GraphicBuffer(anb, false));
    812 
    813         uint8_t* img = NULL;
    814         buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN, (void**)(&img));
    815         fillYV12BufferRect(img, texWidth, texHeight, buf->getStride(), crop);
    816         buf->unlock();
    817         ASSERT_EQ(NO_ERROR, mANW->queueBuffer(mANW.get(),
    818                 buf->getNativeBuffer(), -1));
    819 
    820         ASSERT_EQ(NO_ERROR, mST->updateTexImage());
    821 
    822         glClearColor(0.2, 0.2, 0.2, 0.2);
    823         glClear(GL_COLOR_BUFFER_BIT);
    824 
    825         glViewport(0, 0, 64, 64);
    826         drawTexture();
    827 
    828         EXPECT_TRUE(checkPixel( 0,  0,  82, 255,  35, 255));
    829         EXPECT_TRUE(checkPixel(63,  0,  82, 255,  35, 255));
    830         EXPECT_TRUE(checkPixel(63, 63,  82, 255,  35, 255));
    831         EXPECT_TRUE(checkPixel( 0, 63,  82, 255,  35, 255));
    832 
    833         EXPECT_TRUE(checkPixel(25, 14,  82, 255,  35, 255));
    834         EXPECT_TRUE(checkPixel(35, 31,  82, 255,  35, 255));
    835         EXPECT_TRUE(checkPixel(57,  6,  82, 255,  35, 255));
    836         EXPECT_TRUE(checkPixel( 5, 42,  82, 255,  35, 255));
    837         EXPECT_TRUE(checkPixel(32, 33,  82, 255,  35, 255));
    838         EXPECT_TRUE(checkPixel(16, 26,  82, 255,  35, 255));
    839         EXPECT_TRUE(checkPixel(46, 51,  82, 255,  35, 255));
    840     }
    841 }
    842 
    843 // This test is intended to catch synchronization bugs between the CPU-written
    844 // and GPU-read buffers.
    845 TEST_F(SurfaceTextureGLTest, TexturingFromCpuFilledYV12BuffersRepeatedly) {
    846     enum { texWidth = 16 };
    847     enum { texHeight = 16 };
    848     enum { numFrames = 1024 };
    849 
    850     ASSERT_EQ(NO_ERROR, mST->setSynchronousMode(true));
    851     ASSERT_EQ(NO_ERROR, mST->setDefaultMaxBufferCount(2));
    852     ASSERT_EQ(NO_ERROR, native_window_set_buffers_geometry(mANW.get(),
    853             texWidth, texHeight, HAL_PIXEL_FORMAT_YV12));
    854     ASSERT_EQ(NO_ERROR, native_window_set_usage(mANW.get(),
    855             GRALLOC_USAGE_SW_WRITE_OFTEN));
    856 
    857     struct TestPixel {
    858         int x;
    859         int y;
    860     };
    861     const TestPixel testPixels[] = {
    862         {  4, 11 },
    863         { 12, 14 },
    864         {  7,  2 },
    865     };
    866     enum {numTestPixels = sizeof(testPixels) / sizeof(testPixels[0])};
    867 
    868     class ProducerThread : public Thread {
    869     public:
    870         ProducerThread(const sp<ANativeWindow>& anw,
    871                 const TestPixel* testPixels):
    872                 mANW(anw),
    873                 mTestPixels(testPixels) {
    874         }
    875 
    876         virtual ~ProducerThread() {
    877         }
    878 
    879         virtual bool threadLoop() {
    880             for (int i = 0; i < numFrames; i++) {
    881                 ANativeWindowBuffer* anb;
    882                 if (native_window_dequeue_buffer_and_wait(mANW.get(),
    883                         &anb) != NO_ERROR) {
    884                     return false;
    885                 }
    886                 if (anb == NULL) {
    887                     return false;
    888                 }
    889 
    890                 sp<GraphicBuffer> buf(new GraphicBuffer(anb, false));
    891 
    892                 const int yuvTexOffsetY = 0;
    893                 int stride = buf->getStride();
    894                 int yuvTexStrideY = stride;
    895                 int yuvTexOffsetV = yuvTexStrideY * texHeight;
    896                 int yuvTexStrideV = (yuvTexStrideY/2 + 0xf) & ~0xf;
    897                 int yuvTexOffsetU = yuvTexOffsetV + yuvTexStrideV * texHeight/2;
    898                 int yuvTexStrideU = yuvTexStrideV;
    899 
    900                 uint8_t* img = NULL;
    901                 buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN, (void**)(&img));
    902 
    903                 // Gray out all the test pixels first, so we're more likely to
    904                 // see a failure if GL is still texturing from the buffer we
    905                 // just dequeued.
    906                 for (int j = 0; j < numTestPixels; j++) {
    907                     int x = mTestPixels[j].x;
    908                     int y = mTestPixels[j].y;
    909                     uint8_t value = 128;
    910                     img[y*stride + x] = value;
    911                 }
    912 
    913                 // Fill the buffer with gray.
    914                 for (int y = 0; y < texHeight; y++) {
    915                     for (int x = 0; x < texWidth; x++) {
    916                         img[yuvTexOffsetY + y*yuvTexStrideY + x] = 128;
    917                         img[yuvTexOffsetU + (y/2)*yuvTexStrideU + x/2] = 128;
    918                         img[yuvTexOffsetV + (y/2)*yuvTexStrideV + x/2] = 128;
    919                     }
    920                 }
    921 
    922                 // Set the test pixels to either white or black.
    923                 for (int j = 0; j < numTestPixels; j++) {
    924                     int x = mTestPixels[j].x;
    925                     int y = mTestPixels[j].y;
    926                     uint8_t value = 0;
    927                     if (j == (i % numTestPixels)) {
    928                         value = 255;
    929                     }
    930                     img[y*stride + x] = value;
    931                 }
    932 
    933                 buf->unlock();
    934                 if (mANW->queueBuffer(mANW.get(), buf->getNativeBuffer(), -1)
    935                         != NO_ERROR) {
    936                     return false;
    937                 }
    938             }
    939             return false;
    940         }
    941 
    942         sp<ANativeWindow> mANW;
    943         const TestPixel* mTestPixels;
    944     };
    945 
    946     sp<Thread> pt(new ProducerThread(mANW, testPixels));
    947     pt->run();
    948 
    949     glViewport(0, 0, texWidth, texHeight);
    950 
    951     glClearColor(0.2, 0.2, 0.2, 0.2);
    952     glClear(GL_COLOR_BUFFER_BIT);
    953 
    954     // We wait for the first two frames up front so that the producer will be
    955     // likely to dequeue the buffer that's currently being textured from.
    956     mFW->waitForFrame();
    957     mFW->waitForFrame();
    958 
    959     for (int i = 0; i < numFrames; i++) {
    960         SCOPED_TRACE(String8::format("frame %d", i).string());
    961 
    962         // We must wait for each frame to come in because if we ever do an
    963         // updateTexImage call that doesn't consume a newly available buffer
    964         // then the producer and consumer will get out of sync, which will cause
    965         // a deadlock.
    966         if (i > 1) {
    967             mFW->waitForFrame();
    968         }
    969         ASSERT_EQ(NO_ERROR, mST->updateTexImage());
    970         drawTexture();
    971 
    972         for (int j = 0; j < numTestPixels; j++) {
    973             int x = testPixels[j].x;
    974             int y = testPixels[j].y;
    975             uint8_t value = 0;
    976             if (j == (i % numTestPixels)) {
    977                 // We must y-invert the texture coords
    978                 EXPECT_TRUE(checkPixel(x, texHeight-y-1, 255, 255, 255, 255));
    979             } else {
    980                 // We must y-invert the texture coords
    981                 EXPECT_TRUE(checkPixel(x, texHeight-y-1, 0, 0, 0, 255));
    982             }
    983         }
    984     }
    985 
    986     pt->requestExitAndWait();
    987 }
    988 
    989 TEST_F(SurfaceTextureGLTest, TexturingFromCpuFilledRGBABufferNpot) {
    990     const int texWidth = 64;
    991     const int texHeight = 66;
    992 
    993     ASSERT_EQ(NO_ERROR, native_window_set_buffers_geometry(mANW.get(),
    994             texWidth, texHeight, HAL_PIXEL_FORMAT_RGBA_8888));
    995     ASSERT_EQ(NO_ERROR, native_window_set_usage(mANW.get(),
    996             GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN));
    997 
    998     ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
    999 
   1000     ASSERT_EQ(NO_ERROR, mST->updateTexImage());
   1001 
   1002     glClearColor(0.2, 0.2, 0.2, 0.2);
   1003     glClear(GL_COLOR_BUFFER_BIT);
   1004 
   1005     glViewport(0, 0, texWidth, texHeight);
   1006     drawTexture();
   1007 
   1008     EXPECT_TRUE(checkPixel( 0,  0,  35,  35,  35,  35));
   1009     EXPECT_TRUE(checkPixel(63,  0, 231, 231, 231, 231));
   1010     EXPECT_TRUE(checkPixel(63, 65, 231, 231, 231, 231));
   1011     EXPECT_TRUE(checkPixel( 0, 65,  35,  35,  35,  35));
   1012 
   1013     EXPECT_TRUE(checkPixel(15, 10,  35, 231, 231, 231));
   1014     EXPECT_TRUE(checkPixel(23, 65, 231,  35, 231,  35));
   1015     EXPECT_TRUE(checkPixel(19, 40,  35, 231,  35,  35));
   1016     EXPECT_TRUE(checkPixel(38, 30, 231,  35,  35,  35));
   1017     EXPECT_TRUE(checkPixel(42, 54,  35,  35,  35, 231));
   1018     EXPECT_TRUE(checkPixel(37, 34,  35, 231, 231, 231));
   1019     EXPECT_TRUE(checkPixel(31,  8, 231,  35,  35, 231));
   1020     EXPECT_TRUE(checkPixel(37, 47, 231,  35, 231, 231));
   1021     EXPECT_TRUE(checkPixel(25, 38,  35,  35,  35,  35));
   1022     EXPECT_TRUE(checkPixel(49,  6,  35, 231,  35,  35));
   1023     EXPECT_TRUE(checkPixel(54, 50,  35, 231, 231, 231));
   1024     EXPECT_TRUE(checkPixel(27, 26, 231, 231, 231, 231));
   1025     EXPECT_TRUE(checkPixel(10,  6,  35,  35, 231, 231));
   1026     EXPECT_TRUE(checkPixel(29,  4,  35,  35,  35, 231));
   1027     EXPECT_TRUE(checkPixel(55, 28,  35,  35, 231,  35));
   1028     EXPECT_TRUE(checkPixel(58, 55,  35,  35, 231, 231));
   1029 }
   1030 
   1031 TEST_F(SurfaceTextureGLTest, TexturingFromCpuFilledRGBABufferPow2) {
   1032     const int texWidth = 64;
   1033     const int texHeight = 64;
   1034 
   1035     ASSERT_EQ(NO_ERROR, native_window_set_buffers_geometry(mANW.get(),
   1036             texWidth, texHeight, HAL_PIXEL_FORMAT_RGBA_8888));
   1037     ASSERT_EQ(NO_ERROR, native_window_set_usage(mANW.get(),
   1038             GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN));
   1039 
   1040     ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
   1041 
   1042     ASSERT_EQ(NO_ERROR, mST->updateTexImage());
   1043 
   1044     glClearColor(0.2, 0.2, 0.2, 0.2);
   1045     glClear(GL_COLOR_BUFFER_BIT);
   1046 
   1047     glViewport(0, 0, texWidth, texHeight);
   1048     drawTexture();
   1049 
   1050     EXPECT_TRUE(checkPixel( 0,  0, 231, 231, 231, 231));
   1051     EXPECT_TRUE(checkPixel(63,  0,  35,  35,  35,  35));
   1052     EXPECT_TRUE(checkPixel(63, 63, 231, 231, 231, 231));
   1053     EXPECT_TRUE(checkPixel( 0, 63,  35,  35,  35,  35));
   1054 
   1055     EXPECT_TRUE(checkPixel(12, 46, 231, 231, 231,  35));
   1056     EXPECT_TRUE(checkPixel(16,  1, 231, 231,  35, 231));
   1057     EXPECT_TRUE(checkPixel(21, 12, 231,  35,  35, 231));
   1058     EXPECT_TRUE(checkPixel(26, 51, 231,  35, 231,  35));
   1059     EXPECT_TRUE(checkPixel( 5, 32,  35, 231, 231,  35));
   1060     EXPECT_TRUE(checkPixel(13,  8,  35, 231, 231, 231));
   1061     EXPECT_TRUE(checkPixel(46,  3,  35,  35, 231,  35));
   1062     EXPECT_TRUE(checkPixel(30, 33,  35,  35,  35,  35));
   1063     EXPECT_TRUE(checkPixel( 6, 52, 231, 231,  35,  35));
   1064     EXPECT_TRUE(checkPixel(55, 33,  35, 231,  35, 231));
   1065     EXPECT_TRUE(checkPixel(16, 29,  35,  35, 231, 231));
   1066     EXPECT_TRUE(checkPixel( 1, 30,  35,  35,  35, 231));
   1067     EXPECT_TRUE(checkPixel(41, 37,  35,  35, 231, 231));
   1068     EXPECT_TRUE(checkPixel(46, 29, 231, 231,  35,  35));
   1069     EXPECT_TRUE(checkPixel(15, 25,  35, 231,  35, 231));
   1070     EXPECT_TRUE(checkPixel( 3, 52,  35, 231,  35,  35));
   1071 }
   1072 
   1073 // Tests if SurfaceTexture and BufferQueue are robust enough
   1074 // to handle a special case where updateTexImage is called
   1075 // in the middle of disconnect.  This ordering is enforced
   1076 // by blocking in the disconnect callback.
   1077 TEST_F(SurfaceTextureGLTest, DisconnectStressTest) {
   1078 
   1079     class ProducerThread : public Thread {
   1080     public:
   1081         ProducerThread(const sp<ANativeWindow>& anw):
   1082                 mANW(anw) {
   1083         }
   1084 
   1085         virtual ~ProducerThread() {
   1086         }
   1087 
   1088         virtual bool threadLoop() {
   1089             ANativeWindowBuffer* anb;
   1090 
   1091             native_window_api_connect(mANW.get(), NATIVE_WINDOW_API_EGL);
   1092 
   1093             for (int numFrames =0 ; numFrames < 2; numFrames ++) {
   1094 
   1095                 if (native_window_dequeue_buffer_and_wait(mANW.get(),
   1096                         &anb) != NO_ERROR) {
   1097                     return false;
   1098                 }
   1099                 if (anb == NULL) {
   1100                     return false;
   1101                 }
   1102                 if (mANW->queueBuffer(mANW.get(), anb, -1)
   1103                         != NO_ERROR) {
   1104                     return false;
   1105                 }
   1106             }
   1107 
   1108             native_window_api_disconnect(mANW.get(), NATIVE_WINDOW_API_EGL);
   1109 
   1110             return false;
   1111         }
   1112 
   1113     private:
   1114         sp<ANativeWindow> mANW;
   1115     };
   1116 
   1117     ASSERT_EQ(OK, mST->setSynchronousMode(true));
   1118 
   1119     sp<DisconnectWaiter> dw(new DisconnectWaiter());
   1120     mST->getBufferQueue()->consumerConnect(dw);
   1121 
   1122 
   1123     sp<Thread> pt(new ProducerThread(mANW));
   1124     pt->run();
   1125 
   1126     // eat a frame so SurfaceTexture will own an at least one slot
   1127     dw->waitForFrame();
   1128     EXPECT_EQ(OK,mST->updateTexImage());
   1129 
   1130     dw->waitForFrame();
   1131     // Could fail here as SurfaceTexture thinks it still owns the slot
   1132     // but bufferQueue has released all slots
   1133     EXPECT_EQ(OK,mST->updateTexImage());
   1134 
   1135     dw->finishDisconnect();
   1136 }
   1137 
   1138 
   1139 // This test ensures that the SurfaceTexture clears the mCurrentTexture
   1140 // when it is disconnected and reconnected.  Otherwise it will
   1141 // attempt to release a buffer that it does not owned
   1142 TEST_F(SurfaceTextureGLTest, DisconnectClearsCurrentTexture) {
   1143     ASSERT_EQ(OK, mST->setSynchronousMode(true));
   1144 
   1145     ASSERT_EQ(OK, native_window_api_connect(mANW.get(),
   1146             NATIVE_WINDOW_API_EGL));
   1147 
   1148     ANativeWindowBuffer *anb;
   1149 
   1150     EXPECT_EQ (OK, native_window_dequeue_buffer_and_wait(mANW.get(), &anb));
   1151     EXPECT_EQ(OK, mANW->queueBuffer(mANW.get(), anb, -1));
   1152 
   1153     EXPECT_EQ (OK, native_window_dequeue_buffer_and_wait(mANW.get(), &anb));
   1154     EXPECT_EQ(OK, mANW->queueBuffer(mANW.get(), anb, -1));
   1155 
   1156     EXPECT_EQ(OK,mST->updateTexImage());
   1157     EXPECT_EQ(OK,mST->updateTexImage());
   1158 
   1159     ASSERT_EQ(OK, native_window_api_disconnect(mANW.get(),
   1160             NATIVE_WINDOW_API_EGL));
   1161     ASSERT_EQ(OK, native_window_api_connect(mANW.get(),
   1162             NATIVE_WINDOW_API_EGL));
   1163 
   1164     ASSERT_EQ(OK, mST->setSynchronousMode(true));
   1165 
   1166     EXPECT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &anb));
   1167     EXPECT_EQ(OK, mANW->queueBuffer(mANW.get(), anb, -1));
   1168 
   1169     // Will fail here if mCurrentTexture is not cleared properly
   1170     mFW->waitForFrame();
   1171     EXPECT_EQ(OK,mST->updateTexImage());
   1172 
   1173     ASSERT_EQ(OK, native_window_api_disconnect(mANW.get(),
   1174             NATIVE_WINDOW_API_EGL));
   1175 }
   1176 
   1177 TEST_F(SurfaceTextureGLTest, ScaleToWindowMode) {
   1178     ASSERT_EQ(OK, mST->setSynchronousMode(true));
   1179 
   1180     ASSERT_EQ(OK, native_window_set_scaling_mode(mANW.get(),
   1181         NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW));
   1182 
   1183     // The producer image size
   1184     ASSERT_EQ(OK, native_window_set_buffers_dimensions(mANW.get(), 512, 512));
   1185 
   1186     // The consumer image size (16 x 9) ratio
   1187     mST->setDefaultBufferSize(1280, 720);
   1188 
   1189     ASSERT_EQ(OK, native_window_api_connect(mANW.get(),
   1190             NATIVE_WINDOW_API_CPU));
   1191 
   1192     ANativeWindowBuffer *anb;
   1193 
   1194     android_native_rect_t odd = {23, 78, 123, 477};
   1195     ASSERT_EQ(OK, native_window_set_crop(mANW.get(), &odd));
   1196     EXPECT_EQ (OK, native_window_dequeue_buffer_and_wait(mANW.get(), &anb));
   1197     EXPECT_EQ(OK, mANW->queueBuffer(mANW.get(), anb, -1));
   1198     mFW->waitForFrame();
   1199     EXPECT_EQ(OK, mST->updateTexImage());
   1200     Rect r = mST->getCurrentCrop();
   1201     assertRectEq(Rect(23, 78, 123, 477), r);
   1202 
   1203     ASSERT_EQ(OK, native_window_api_disconnect(mANW.get(),
   1204             NATIVE_WINDOW_API_CPU));
   1205 }
   1206 
   1207 // This test ensures the scaling mode does the right thing
   1208 // ie NATIVE_WINDOW_SCALING_MODE_CROP should crop
   1209 // the image such that it has the same aspect ratio as the
   1210 // default buffer size
   1211 TEST_F(SurfaceTextureGLTest, CroppedScalingMode) {
   1212     ASSERT_EQ(OK, mST->setSynchronousMode(true));
   1213 
   1214     ASSERT_EQ(OK, native_window_set_scaling_mode(mANW.get(),
   1215         NATIVE_WINDOW_SCALING_MODE_SCALE_CROP));
   1216 
   1217     // The producer image size
   1218     ASSERT_EQ(OK, native_window_set_buffers_dimensions(mANW.get(), 512, 512));
   1219 
   1220     // The consumer image size (16 x 9) ratio
   1221     mST->setDefaultBufferSize(1280, 720);
   1222 
   1223     native_window_api_connect(mANW.get(), NATIVE_WINDOW_API_CPU);
   1224 
   1225     ANativeWindowBuffer *anb;
   1226 
   1227     // The crop is in the shape of (320, 180) === 16 x 9
   1228     android_native_rect_t standard = {10, 20, 330, 200};
   1229     ASSERT_EQ(OK, native_window_set_crop(mANW.get(), &standard));
   1230     EXPECT_EQ (OK, native_window_dequeue_buffer_and_wait(mANW.get(), &anb));
   1231     EXPECT_EQ(OK, mANW->queueBuffer(mANW.get(), anb, -1));
   1232     mFW->waitForFrame();
   1233     EXPECT_EQ(OK, mST->updateTexImage());
   1234     Rect r = mST->getCurrentCrop();
   1235     // crop should be the same as crop (same aspect ratio)
   1236     assertRectEq(Rect(10, 20, 330, 200), r);
   1237 
   1238     // make this wider then desired aspect 239 x 100 (2.39:1)
   1239     android_native_rect_t wide = {20, 30, 259, 130};
   1240     ASSERT_EQ(OK, native_window_set_crop(mANW.get(), &wide));
   1241     EXPECT_EQ (OK, native_window_dequeue_buffer_and_wait(mANW.get(), &anb));
   1242     EXPECT_EQ(OK, mANW->queueBuffer(mANW.get(), anb, -1));
   1243     mFW->waitForFrame();
   1244     EXPECT_EQ(OK, mST->updateTexImage());
   1245     r = mST->getCurrentCrop();
   1246     // crop should be the same height, but have cropped left and right borders
   1247     // offset is 30.6 px L+, R-
   1248     assertRectEq(Rect(51, 30, 228, 130), r);
   1249 
   1250     // This image is taller then desired aspect 400 x 300 (4:3)
   1251     android_native_rect_t narrow = {0, 0, 400, 300};
   1252     ASSERT_EQ(OK, native_window_set_crop(mANW.get(), &narrow));
   1253     EXPECT_EQ (OK, native_window_dequeue_buffer_and_wait(mANW.get(), &anb));
   1254     EXPECT_EQ(OK, mANW->queueBuffer(mANW.get(), anb, -1));
   1255     mFW->waitForFrame();
   1256     EXPECT_EQ(OK, mST->updateTexImage());
   1257     r = mST->getCurrentCrop();
   1258     // crop should be the same width, but have cropped top and bottom borders
   1259     // offset is 37.5 px
   1260     assertRectEq(Rect(0, 37, 400, 262), r);
   1261 
   1262     native_window_api_disconnect(mANW.get(), NATIVE_WINDOW_API_CPU);
   1263 }
   1264 
   1265 TEST_F(SurfaceTextureGLTest, AbandonUnblocksDequeueBuffer) {
   1266     class ProducerThread : public Thread {
   1267     public:
   1268         ProducerThread(const sp<ANativeWindow>& anw):
   1269                 mANW(anw),
   1270                 mDequeueError(NO_ERROR) {
   1271         }
   1272 
   1273         virtual ~ProducerThread() {
   1274         }
   1275 
   1276         virtual bool threadLoop() {
   1277             Mutex::Autolock lock(mMutex);
   1278             ANativeWindowBuffer* anb;
   1279 
   1280             // Frame 1
   1281             if (native_window_dequeue_buffer_and_wait(mANW.get(),
   1282                     &anb) != NO_ERROR) {
   1283                 return false;
   1284             }
   1285             if (anb == NULL) {
   1286                 return false;
   1287             }
   1288             if (mANW->queueBuffer(mANW.get(), anb, -1)
   1289                     != NO_ERROR) {
   1290                 return false;
   1291             }
   1292 
   1293             // Frame 2
   1294             if (native_window_dequeue_buffer_and_wait(mANW.get(),
   1295                     &anb) != NO_ERROR) {
   1296                 return false;
   1297             }
   1298             if (anb == NULL) {
   1299                 return false;
   1300             }
   1301             if (mANW->queueBuffer(mANW.get(), anb, -1)
   1302                     != NO_ERROR) {
   1303                 return false;
   1304             }
   1305 
   1306             // Frame 3 - error expected
   1307             mDequeueError = native_window_dequeue_buffer_and_wait(mANW.get(),
   1308                 &anb);
   1309             return false;
   1310         }
   1311 
   1312         status_t getDequeueError() {
   1313             Mutex::Autolock lock(mMutex);
   1314             return mDequeueError;
   1315         }
   1316 
   1317     private:
   1318         sp<ANativeWindow> mANW;
   1319         status_t mDequeueError;
   1320         Mutex mMutex;
   1321     };
   1322 
   1323     ASSERT_EQ(OK, mST->setSynchronousMode(true));
   1324     ASSERT_EQ(OK, mST->setDefaultMaxBufferCount(2));
   1325 
   1326     sp<Thread> pt(new ProducerThread(mANW));
   1327     pt->run();
   1328 
   1329     mFW->waitForFrame();
   1330     mFW->waitForFrame();
   1331 
   1332     // Sleep for 100ms to allow the producer thread's dequeueBuffer call to
   1333     // block waiting for a buffer to become available.
   1334     usleep(100000);
   1335 
   1336     mST->abandon();
   1337 
   1338     pt->requestExitAndWait();
   1339     ASSERT_EQ(NO_INIT,
   1340             reinterpret_cast<ProducerThread*>(pt.get())->getDequeueError());
   1341 }
   1342 
   1343 TEST_F(SurfaceTextureGLTest, InvalidWidthOrHeightFails) {
   1344     int texHeight = 16;
   1345     ANativeWindowBuffer* anb;
   1346 
   1347     GLint maxTextureSize;
   1348     glGetIntegerv(GL_MAX_TEXTURE_SIZE, &maxTextureSize);
   1349 
   1350     // make sure it works with small textures
   1351     mST->setDefaultBufferSize(16, texHeight);
   1352     EXPECT_EQ(NO_ERROR, native_window_dequeue_buffer_and_wait(mANW.get(),
   1353             &anb));
   1354     EXPECT_EQ(16, anb->width);
   1355     EXPECT_EQ(texHeight, anb->height);
   1356     EXPECT_EQ(NO_ERROR, mANW->queueBuffer(mANW.get(), anb, -1));
   1357     EXPECT_EQ(NO_ERROR, mST->updateTexImage());
   1358 
   1359     // make sure it works with GL_MAX_TEXTURE_SIZE
   1360     mST->setDefaultBufferSize(maxTextureSize, texHeight);
   1361     EXPECT_EQ(NO_ERROR, native_window_dequeue_buffer_and_wait(mANW.get(),
   1362             &anb));
   1363     EXPECT_EQ(maxTextureSize, anb->width);
   1364     EXPECT_EQ(texHeight, anb->height);
   1365     EXPECT_EQ(NO_ERROR, mANW->queueBuffer(mANW.get(), anb, -1));
   1366     EXPECT_EQ(NO_ERROR, mST->updateTexImage());
   1367 
   1368     // make sure it fails with GL_MAX_TEXTURE_SIZE+1
   1369     mST->setDefaultBufferSize(maxTextureSize+1, texHeight);
   1370     EXPECT_EQ(NO_ERROR, native_window_dequeue_buffer_and_wait(mANW.get(),
   1371             &anb));
   1372     EXPECT_EQ(maxTextureSize+1, anb->width);
   1373     EXPECT_EQ(texHeight, anb->height);
   1374     EXPECT_EQ(NO_ERROR, mANW->queueBuffer(mANW.get(), anb, -1));
   1375     ASSERT_NE(NO_ERROR, mST->updateTexImage());
   1376 }
   1377 
   1378 /*
   1379  * This test fixture is for testing GL -> GL texture streaming.  It creates an
   1380  * EGLSurface and an EGLContext for the image producer to use.
   1381  */
   1382 class SurfaceTextureGLToGLTest : public SurfaceTextureGLTest {
   1383 protected:
   1384     SurfaceTextureGLToGLTest():
   1385             mProducerEglSurface(EGL_NO_SURFACE),
   1386             mProducerEglContext(EGL_NO_CONTEXT) {
   1387     }
   1388 
   1389     virtual void SetUp() {
   1390         SurfaceTextureGLTest::SetUp();
   1391 
   1392         mProducerEglSurface = eglCreateWindowSurface(mEglDisplay, mGlConfig,
   1393                 mANW.get(), NULL);
   1394         ASSERT_EQ(EGL_SUCCESS, eglGetError());
   1395         ASSERT_NE(EGL_NO_SURFACE, mProducerEglSurface);
   1396 
   1397         mProducerEglContext = eglCreateContext(mEglDisplay, mGlConfig,
   1398                 EGL_NO_CONTEXT, getContextAttribs());
   1399         ASSERT_EQ(EGL_SUCCESS, eglGetError());
   1400         ASSERT_NE(EGL_NO_CONTEXT, mProducerEglContext);
   1401     }
   1402 
   1403     virtual void TearDown() {
   1404         if (mProducerEglContext != EGL_NO_CONTEXT) {
   1405             eglDestroyContext(mEglDisplay, mProducerEglContext);
   1406         }
   1407         if (mProducerEglSurface != EGL_NO_SURFACE) {
   1408             eglDestroySurface(mEglDisplay, mProducerEglSurface);
   1409         }
   1410         SurfaceTextureGLTest::TearDown();
   1411     }
   1412 
   1413     EGLSurface mProducerEglSurface;
   1414     EGLContext mProducerEglContext;
   1415 };
   1416 
   1417 TEST_F(SurfaceTextureGLToGLTest, TransformHintGetsRespected) {
   1418     const uint32_t texWidth = 32;
   1419     const uint32_t texHeight = 64;
   1420 
   1421     mST->setDefaultBufferSize(texWidth, texHeight);
   1422     mST->setTransformHint(NATIVE_WINDOW_TRANSFORM_ROT_90);
   1423 
   1424     // This test requires 3 buffers to avoid deadlock because we're
   1425     // both producer and consumer, and only using one thread.
   1426     mST->setDefaultMaxBufferCount(3);
   1427 
   1428     // Do the producer side of things
   1429     EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
   1430             mProducerEglSurface, mProducerEglContext));
   1431     ASSERT_EQ(EGL_SUCCESS, eglGetError());
   1432 
   1433     // Start a buffer with our chosen size and transform hint moving
   1434     // through the system.
   1435     glClear(GL_COLOR_BUFFER_BIT);  // give the driver something to do
   1436     eglSwapBuffers(mEglDisplay, mProducerEglSurface);
   1437     mST->updateTexImage();  // consume it
   1438     // Swap again.
   1439     glClear(GL_COLOR_BUFFER_BIT);
   1440     eglSwapBuffers(mEglDisplay, mProducerEglSurface);
   1441     mST->updateTexImage();
   1442 
   1443     // The current buffer should either show the effects of the transform
   1444     // hint (in the form of an inverse transform), or show that the
   1445     // transform hint has been ignored.
   1446     sp<GraphicBuffer> buf = mST->getCurrentBuffer();
   1447     if (mST->getCurrentTransform() == NATIVE_WINDOW_TRANSFORM_ROT_270) {
   1448         ASSERT_EQ(texWidth, buf->getHeight());
   1449         ASSERT_EQ(texHeight, buf->getWidth());
   1450     } else {
   1451         ASSERT_EQ(texWidth, buf->getWidth());
   1452         ASSERT_EQ(texHeight, buf->getHeight());
   1453     }
   1454 
   1455     // Reset the transform hint and confirm that it takes.
   1456     mST->setTransformHint(0);
   1457     glClear(GL_COLOR_BUFFER_BIT);
   1458     eglSwapBuffers(mEglDisplay, mProducerEglSurface);
   1459     mST->updateTexImage();
   1460     glClear(GL_COLOR_BUFFER_BIT);
   1461     eglSwapBuffers(mEglDisplay, mProducerEglSurface);
   1462     mST->updateTexImage();
   1463 
   1464     buf = mST->getCurrentBuffer();
   1465     ASSERT_EQ((uint32_t) 0, mST->getCurrentTransform());
   1466     ASSERT_EQ(texWidth, buf->getWidth());
   1467     ASSERT_EQ(texHeight, buf->getHeight());
   1468 }
   1469 
   1470 TEST_F(SurfaceTextureGLToGLTest, TexturingFromGLFilledRGBABufferPow2) {
   1471     const int texWidth = 64;
   1472     const int texHeight = 64;
   1473 
   1474     mST->setDefaultBufferSize(texWidth, texHeight);
   1475 
   1476     // This test requires 3 buffers to complete run on a single thread.
   1477     mST->setDefaultMaxBufferCount(3);
   1478 
   1479     // Do the producer side of things
   1480     EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
   1481             mProducerEglSurface, mProducerEglContext));
   1482     ASSERT_EQ(EGL_SUCCESS, eglGetError());
   1483 
   1484     // This is needed to ensure we pick up a buffer of the correct size.
   1485     eglSwapBuffers(mEglDisplay, mProducerEglSurface);
   1486 
   1487     glClearColor(0.6, 0.6, 0.6, 0.6);
   1488     glClear(GL_COLOR_BUFFER_BIT);
   1489 
   1490     glEnable(GL_SCISSOR_TEST);
   1491     glScissor(4, 4, 4, 4);
   1492     glClearColor(1.0, 0.0, 0.0, 1.0);
   1493     glClear(GL_COLOR_BUFFER_BIT);
   1494 
   1495     glScissor(24, 48, 4, 4);
   1496     glClearColor(0.0, 1.0, 0.0, 1.0);
   1497     glClear(GL_COLOR_BUFFER_BIT);
   1498 
   1499     glScissor(37, 17, 4, 4);
   1500     glClearColor(0.0, 0.0, 1.0, 1.0);
   1501     glClear(GL_COLOR_BUFFER_BIT);
   1502 
   1503     eglSwapBuffers(mEglDisplay, mProducerEglSurface);
   1504 
   1505     // Do the consumer side of things
   1506     EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
   1507             mEglContext));
   1508     ASSERT_EQ(EGL_SUCCESS, eglGetError());
   1509 
   1510     glDisable(GL_SCISSOR_TEST);
   1511 
   1512     // Skip the first frame, which was empty
   1513     ASSERT_EQ(NO_ERROR, mST->updateTexImage());
   1514     ASSERT_EQ(NO_ERROR, mST->updateTexImage());
   1515 
   1516     glClearColor(0.2, 0.2, 0.2, 0.2);
   1517     glClear(GL_COLOR_BUFFER_BIT);
   1518 
   1519     glViewport(0, 0, texWidth, texHeight);
   1520     drawTexture();
   1521 
   1522     EXPECT_TRUE(checkPixel( 0,  0, 153, 153, 153, 153));
   1523     EXPECT_TRUE(checkPixel(63,  0, 153, 153, 153, 153));
   1524     EXPECT_TRUE(checkPixel(63, 63, 153, 153, 153, 153));
   1525     EXPECT_TRUE(checkPixel( 0, 63, 153, 153, 153, 153));
   1526 
   1527     EXPECT_TRUE(checkPixel( 4,  7, 255,   0,   0, 255));
   1528     EXPECT_TRUE(checkPixel(25, 51,   0, 255,   0, 255));
   1529     EXPECT_TRUE(checkPixel(40, 19,   0,   0, 255, 255));
   1530     EXPECT_TRUE(checkPixel(29, 51, 153, 153, 153, 153));
   1531     EXPECT_TRUE(checkPixel( 5, 32, 153, 153, 153, 153));
   1532     EXPECT_TRUE(checkPixel(13,  8, 153, 153, 153, 153));
   1533     EXPECT_TRUE(checkPixel(46,  3, 153, 153, 153, 153));
   1534     EXPECT_TRUE(checkPixel(30, 33, 153, 153, 153, 153));
   1535     EXPECT_TRUE(checkPixel( 6, 52, 153, 153, 153, 153));
   1536     EXPECT_TRUE(checkPixel(55, 33, 153, 153, 153, 153));
   1537     EXPECT_TRUE(checkPixel(16, 29, 153, 153, 153, 153));
   1538     EXPECT_TRUE(checkPixel( 1, 30, 153, 153, 153, 153));
   1539     EXPECT_TRUE(checkPixel(41, 37, 153, 153, 153, 153));
   1540     EXPECT_TRUE(checkPixel(46, 29, 153, 153, 153, 153));
   1541     EXPECT_TRUE(checkPixel(15, 25, 153, 153, 153, 153));
   1542     EXPECT_TRUE(checkPixel( 3, 52, 153, 153, 153, 153));
   1543 }
   1544 
   1545 TEST_F(SurfaceTextureGLToGLTest, EglDestroySurfaceUnrefsBuffers) {
   1546     sp<GraphicBuffer> buffers[2];
   1547 
   1548     // This test requires async mode to run on a single thread.
   1549     EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
   1550             mProducerEglSurface, mProducerEglContext));
   1551     ASSERT_EQ(EGL_SUCCESS, eglGetError());
   1552     EXPECT_TRUE(eglSwapInterval(mEglDisplay, 0));
   1553     ASSERT_EQ(EGL_SUCCESS, eglGetError());
   1554 
   1555     for (int i = 0; i < 2; i++) {
   1556         // Produce a frame
   1557         EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
   1558                 mProducerEglSurface, mProducerEglContext));
   1559         ASSERT_EQ(EGL_SUCCESS, eglGetError());
   1560         glClear(GL_COLOR_BUFFER_BIT);
   1561         eglSwapBuffers(mEglDisplay, mProducerEglSurface);
   1562 
   1563         // Consume a frame
   1564         EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
   1565                 mEglContext));
   1566         ASSERT_EQ(EGL_SUCCESS, eglGetError());
   1567         mFW->waitForFrame();
   1568         ASSERT_EQ(NO_ERROR, mST->updateTexImage());
   1569         buffers[i] = mST->getCurrentBuffer();
   1570     }
   1571 
   1572     // Destroy the GL texture object to release its ref on buffers[2].
   1573     GLuint texID = TEX_ID;
   1574     glDeleteTextures(1, &texID);
   1575 
   1576     // Destroy the EGLSurface
   1577     EXPECT_TRUE(eglDestroySurface(mEglDisplay, mProducerEglSurface));
   1578     ASSERT_EQ(EGL_SUCCESS, eglGetError());
   1579     mProducerEglSurface = EGL_NO_SURFACE;
   1580 
   1581     // This test should have the only reference to buffer 0.
   1582     EXPECT_EQ(1, buffers[0]->getStrongCount());
   1583 
   1584     // The SurfaceTexture should hold a single reference to buffer 1 in its
   1585     // mCurrentBuffer member.  All of the references in the slots should have
   1586     // been released.
   1587     EXPECT_EQ(2, buffers[1]->getStrongCount());
   1588 }
   1589 
   1590 TEST_F(SurfaceTextureGLToGLTest, EglDestroySurfaceAfterAbandonUnrefsBuffers) {
   1591     sp<GraphicBuffer> buffers[3];
   1592 
   1593     // This test requires async mode to run on a single thread.
   1594     EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
   1595             mProducerEglSurface, mProducerEglContext));
   1596     ASSERT_EQ(EGL_SUCCESS, eglGetError());
   1597     EXPECT_TRUE(eglSwapInterval(mEglDisplay, 0));
   1598     ASSERT_EQ(EGL_SUCCESS, eglGetError());
   1599 
   1600     for (int i = 0; i < 3; i++) {
   1601         // Produce a frame
   1602         EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
   1603                 mProducerEglSurface, mProducerEglContext));
   1604         ASSERT_EQ(EGL_SUCCESS, eglGetError());
   1605         glClear(GL_COLOR_BUFFER_BIT);
   1606         EXPECT_TRUE(eglSwapBuffers(mEglDisplay, mProducerEglSurface));
   1607         ASSERT_EQ(EGL_SUCCESS, eglGetError());
   1608 
   1609         // Consume a frame
   1610         EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
   1611                 mEglContext));
   1612         ASSERT_EQ(EGL_SUCCESS, eglGetError());
   1613         mFW->waitForFrame();
   1614         ASSERT_EQ(NO_ERROR, mST->updateTexImage());
   1615         buffers[i] = mST->getCurrentBuffer();
   1616     }
   1617 
   1618     // Abandon the SurfaceTexture, releasing the ref that the SurfaceTexture has
   1619     // on buffers[2].
   1620     mST->abandon();
   1621 
   1622     // Destroy the GL texture object to release its ref on buffers[2].
   1623     GLuint texID = TEX_ID;
   1624     glDeleteTextures(1, &texID);
   1625 
   1626     // Destroy the EGLSurface.
   1627     EXPECT_TRUE(eglDestroySurface(mEglDisplay, mProducerEglSurface));
   1628     ASSERT_EQ(EGL_SUCCESS, eglGetError());
   1629     mProducerEglSurface = EGL_NO_SURFACE;
   1630 
   1631     EXPECT_EQ(1, buffers[0]->getStrongCount());
   1632     EXPECT_EQ(1, buffers[1]->getStrongCount());
   1633 
   1634     // Depending on how lazily the GL driver dequeues buffers, we may end up
   1635     // with either two or three total buffers.  If there are three, make sure
   1636     // the last one was properly down-ref'd.
   1637     if (buffers[2] != buffers[0]) {
   1638         EXPECT_EQ(1, buffers[2]->getStrongCount());
   1639     }
   1640 }
   1641 
   1642 TEST_F(SurfaceTextureGLToGLTest, EglSurfaceDefaultsToSynchronousMode) {
   1643     // This test requires 3 buffers to run on a single thread.
   1644     mST->setDefaultMaxBufferCount(3);
   1645 
   1646     ASSERT_TRUE(mST->isSynchronousMode());
   1647 
   1648     for (int i = 0; i < 10; i++) {
   1649         // Produce a frame
   1650         EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
   1651                 mProducerEglSurface, mProducerEglContext));
   1652         ASSERT_EQ(EGL_SUCCESS, eglGetError());
   1653         glClear(GL_COLOR_BUFFER_BIT);
   1654         EXPECT_TRUE(eglSwapBuffers(mEglDisplay, mProducerEglSurface));
   1655         ASSERT_EQ(EGL_SUCCESS, eglGetError());
   1656 
   1657         // Consume a frame
   1658         EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
   1659                 mEglContext));
   1660         ASSERT_EQ(EGL_SUCCESS, eglGetError());
   1661         ASSERT_EQ(NO_ERROR, mST->updateTexImage());
   1662     }
   1663 
   1664     ASSERT_TRUE(mST->isSynchronousMode());
   1665 }
   1666 
   1667 TEST_F(SurfaceTextureGLToGLTest, TexturingFromUserSizedGLFilledBuffer) {
   1668     enum { texWidth = 64 };
   1669     enum { texHeight = 64 };
   1670 
   1671     // This test requires 3 buffers to complete run on a single thread.
   1672     mST->setDefaultMaxBufferCount(3);
   1673 
   1674     // Set the user buffer size.
   1675     native_window_set_buffers_user_dimensions(mANW.get(), texWidth, texHeight);
   1676 
   1677     // Do the producer side of things
   1678     EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
   1679             mProducerEglSurface, mProducerEglContext));
   1680     ASSERT_EQ(EGL_SUCCESS, eglGetError());
   1681 
   1682     // This is needed to ensure we pick up a buffer of the correct size.
   1683     eglSwapBuffers(mEglDisplay, mProducerEglSurface);
   1684 
   1685     glClearColor(0.6, 0.6, 0.6, 0.6);
   1686     glClear(GL_COLOR_BUFFER_BIT);
   1687 
   1688     glEnable(GL_SCISSOR_TEST);
   1689     glScissor(4, 4, 1, 1);
   1690     glClearColor(1.0, 0.0, 0.0, 1.0);
   1691     glClear(GL_COLOR_BUFFER_BIT);
   1692 
   1693     eglSwapBuffers(mEglDisplay, mProducerEglSurface);
   1694 
   1695     // Do the consumer side of things
   1696     EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
   1697             mEglContext));
   1698     ASSERT_EQ(EGL_SUCCESS, eglGetError());
   1699 
   1700     glDisable(GL_SCISSOR_TEST);
   1701 
   1702     // Skip the first frame, which was empty
   1703     ASSERT_EQ(NO_ERROR, mST->updateTexImage());
   1704     ASSERT_EQ(NO_ERROR, mST->updateTexImage());
   1705 
   1706     glClearColor(0.2, 0.2, 0.2, 0.2);
   1707     glClear(GL_COLOR_BUFFER_BIT);
   1708 
   1709     glViewport(0, 0, texWidth, texHeight);
   1710     drawTexture();
   1711 
   1712     EXPECT_TRUE(checkPixel( 0,  0, 153, 153, 153, 153));
   1713     EXPECT_TRUE(checkPixel(63,  0, 153, 153, 153, 153));
   1714     EXPECT_TRUE(checkPixel(63, 63, 153, 153, 153, 153));
   1715     EXPECT_TRUE(checkPixel( 0, 63, 153, 153, 153, 153));
   1716 
   1717     EXPECT_TRUE(checkPixel( 4,  4, 255,   0,   0, 255));
   1718     EXPECT_TRUE(checkPixel( 5,  5, 153, 153, 153, 153));
   1719     EXPECT_TRUE(checkPixel( 3,  3, 153, 153, 153, 153));
   1720     EXPECT_TRUE(checkPixel(45, 52, 153, 153, 153, 153));
   1721     EXPECT_TRUE(checkPixel(12, 36, 153, 153, 153, 153));
   1722 }
   1723 
   1724 TEST_F(SurfaceTextureGLToGLTest, TexturingFromPreRotatedUserSizedGLFilledBuffer) {
   1725     enum { texWidth = 64 };
   1726     enum { texHeight = 16 };
   1727 
   1728     // This test requires 3 buffers to complete run on a single thread.
   1729     mST->setDefaultMaxBufferCount(3);
   1730 
   1731     // Set the transform hint.
   1732     mST->setTransformHint(NATIVE_WINDOW_TRANSFORM_ROT_90);
   1733 
   1734     // Set the user buffer size.
   1735     native_window_set_buffers_user_dimensions(mANW.get(), texWidth, texHeight);
   1736 
   1737     // Do the producer side of things
   1738     EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
   1739             mProducerEglSurface, mProducerEglContext));
   1740     ASSERT_EQ(EGL_SUCCESS, eglGetError());
   1741 
   1742     // This is needed to ensure we pick up a buffer of the correct size and the
   1743     // new rotation hint.
   1744     eglSwapBuffers(mEglDisplay, mProducerEglSurface);
   1745 
   1746     glClearColor(0.6, 0.6, 0.6, 0.6);
   1747     glClear(GL_COLOR_BUFFER_BIT);
   1748 
   1749     glEnable(GL_SCISSOR_TEST);
   1750     glScissor(24, 4, 1, 1);
   1751     glClearColor(1.0, 0.0, 0.0, 1.0);
   1752     glClear(GL_COLOR_BUFFER_BIT);
   1753 
   1754     eglSwapBuffers(mEglDisplay, mProducerEglSurface);
   1755 
   1756     // Do the consumer side of things
   1757     EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
   1758             mEglContext));
   1759     ASSERT_EQ(EGL_SUCCESS, eglGetError());
   1760 
   1761     glDisable(GL_SCISSOR_TEST);
   1762 
   1763     // Skip the first frame, which was empty
   1764     ASSERT_EQ(NO_ERROR, mST->updateTexImage());
   1765     ASSERT_EQ(NO_ERROR, mST->updateTexImage());
   1766 
   1767     glClearColor(0.2, 0.2, 0.2, 0.2);
   1768     glClear(GL_COLOR_BUFFER_BIT);
   1769 
   1770     glViewport(0, 0, texWidth, texHeight);
   1771     drawTexture();
   1772 
   1773     EXPECT_TRUE(checkPixel( 0,  0, 153, 153, 153, 153));
   1774     EXPECT_TRUE(checkPixel(63,  0, 153, 153, 153, 153));
   1775     EXPECT_TRUE(checkPixel(63, 15, 153, 153, 153, 153));
   1776     EXPECT_TRUE(checkPixel( 0, 15, 153, 153, 153, 153));
   1777 
   1778     EXPECT_TRUE(checkPixel(24,  4, 255,   0,   0, 255));
   1779     EXPECT_TRUE(checkPixel(25,  5, 153, 153, 153, 153));
   1780     EXPECT_TRUE(checkPixel(23,  3, 153, 153, 153, 153));
   1781     EXPECT_TRUE(checkPixel(45, 13, 153, 153, 153, 153));
   1782     EXPECT_TRUE(checkPixel(12,  8, 153, 153, 153, 153));
   1783 }
   1784 
   1785 TEST_F(SurfaceTextureGLToGLTest, TexturingFromPreRotatedGLFilledBuffer) {
   1786     enum { texWidth = 64 };
   1787     enum { texHeight = 16 };
   1788 
   1789     // This test requires 3 buffers to complete run on a single thread.
   1790     mST->setDefaultMaxBufferCount(3);
   1791 
   1792     // Set the transform hint.
   1793     mST->setTransformHint(NATIVE_WINDOW_TRANSFORM_ROT_90);
   1794 
   1795     // Set the default buffer size.
   1796     mST->setDefaultBufferSize(texWidth, texHeight);
   1797 
   1798     // Do the producer side of things
   1799     EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
   1800             mProducerEglSurface, mProducerEglContext));
   1801     ASSERT_EQ(EGL_SUCCESS, eglGetError());
   1802 
   1803     // This is needed to ensure we pick up a buffer of the correct size and the
   1804     // new rotation hint.
   1805     eglSwapBuffers(mEglDisplay, mProducerEglSurface);
   1806 
   1807     glClearColor(0.6, 0.6, 0.6, 0.6);
   1808     glClear(GL_COLOR_BUFFER_BIT);
   1809 
   1810     glEnable(GL_SCISSOR_TEST);
   1811     glScissor(24, 4, 1, 1);
   1812     glClearColor(1.0, 0.0, 0.0, 1.0);
   1813     glClear(GL_COLOR_BUFFER_BIT);
   1814 
   1815     eglSwapBuffers(mEglDisplay, mProducerEglSurface);
   1816 
   1817     // Do the consumer side of things
   1818     EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
   1819             mEglContext));
   1820     ASSERT_EQ(EGL_SUCCESS, eglGetError());
   1821 
   1822     glDisable(GL_SCISSOR_TEST);
   1823 
   1824     // Skip the first frame, which was empty
   1825     ASSERT_EQ(NO_ERROR, mST->updateTexImage());
   1826     ASSERT_EQ(NO_ERROR, mST->updateTexImage());
   1827 
   1828     glClearColor(0.2, 0.2, 0.2, 0.2);
   1829     glClear(GL_COLOR_BUFFER_BIT);
   1830 
   1831     glViewport(0, 0, texWidth, texHeight);
   1832     drawTexture();
   1833 
   1834     EXPECT_TRUE(checkPixel( 0,  0, 153, 153, 153, 153));
   1835     EXPECT_TRUE(checkPixel(63,  0, 153, 153, 153, 153));
   1836     EXPECT_TRUE(checkPixel(63, 15, 153, 153, 153, 153));
   1837     EXPECT_TRUE(checkPixel( 0, 15, 153, 153, 153, 153));
   1838 
   1839     EXPECT_TRUE(checkPixel(24,  4, 255,   0,   0, 255));
   1840     EXPECT_TRUE(checkPixel(25,  5, 153, 153, 153, 153));
   1841     EXPECT_TRUE(checkPixel(23,  3, 153, 153, 153, 153));
   1842     EXPECT_TRUE(checkPixel(45, 13, 153, 153, 153, 153));
   1843     EXPECT_TRUE(checkPixel(12,  8, 153, 153, 153, 153));
   1844 }
   1845 
   1846 /*
   1847  * This test fixture is for testing GL -> GL texture streaming from one thread
   1848  * to another.  It contains functionality to create a producer thread that will
   1849  * perform GL rendering to an ANativeWindow that feeds frames to a
   1850  * SurfaceTexture.  Additionally it supports interlocking the producer and
   1851  * consumer threads so that a specific sequence of calls can be
   1852  * deterministically created by the test.
   1853  *
   1854  * The intended usage is as follows:
   1855  *
   1856  * TEST_F(...) {
   1857  *     class PT : public ProducerThread {
   1858  *         virtual void render() {
   1859  *             ...
   1860  *             swapBuffers();
   1861  *         }
   1862  *     };
   1863  *
   1864  *     runProducerThread(new PT());
   1865  *
   1866  *     // The order of these calls will vary from test to test and may include
   1867  *     // multiple frames and additional operations (e.g. GL rendering from the
   1868  *     // texture).
   1869  *     fc->waitForFrame();
   1870  *     mST->updateTexImage();
   1871  *     fc->finishFrame();
   1872  * }
   1873  *
   1874  */
   1875 class SurfaceTextureGLThreadToGLTest : public SurfaceTextureGLToGLTest {
   1876 protected:
   1877 
   1878     // ProducerThread is an abstract base class to simplify the creation of
   1879     // OpenGL ES frame producer threads.
   1880     class ProducerThread : public Thread {
   1881     public:
   1882         virtual ~ProducerThread() {
   1883         }
   1884 
   1885         void setEglObjects(EGLDisplay producerEglDisplay,
   1886                 EGLSurface producerEglSurface,
   1887                 EGLContext producerEglContext) {
   1888             mProducerEglDisplay = producerEglDisplay;
   1889             mProducerEglSurface = producerEglSurface;
   1890             mProducerEglContext = producerEglContext;
   1891         }
   1892 
   1893         virtual bool threadLoop() {
   1894             eglMakeCurrent(mProducerEglDisplay, mProducerEglSurface,
   1895                     mProducerEglSurface, mProducerEglContext);
   1896             render();
   1897             eglMakeCurrent(mProducerEglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE,
   1898                     EGL_NO_CONTEXT);
   1899             return false;
   1900         }
   1901 
   1902     protected:
   1903         virtual void render() = 0;
   1904 
   1905         void swapBuffers() {
   1906             eglSwapBuffers(mProducerEglDisplay, mProducerEglSurface);
   1907         }
   1908 
   1909         EGLDisplay mProducerEglDisplay;
   1910         EGLSurface mProducerEglSurface;
   1911         EGLContext mProducerEglContext;
   1912     };
   1913 
   1914     // FrameCondition is a utility class for interlocking between the producer
   1915     // and consumer threads.  The FrameCondition object should be created and
   1916     // destroyed in the consumer thread only.  The consumer thread should set
   1917     // the FrameCondition as the FrameAvailableListener of the SurfaceTexture,
   1918     // and should call both waitForFrame and finishFrame once for each expected
   1919     // frame.
   1920     //
   1921     // This interlocking relies on the fact that onFrameAvailable gets called
   1922     // synchronously from SurfaceTexture::queueBuffer.
   1923     class FrameCondition : public SurfaceTexture::FrameAvailableListener {
   1924     public:
   1925         FrameCondition():
   1926                 mFrameAvailable(false),
   1927                 mFrameFinished(false) {
   1928         }
   1929 
   1930         // waitForFrame waits for the next frame to arrive.  This should be
   1931         // called from the consumer thread once for every frame expected by the
   1932         // test.
   1933         void waitForFrame() {
   1934             Mutex::Autolock lock(mMutex);
   1935             ALOGV("+waitForFrame");
   1936             while (!mFrameAvailable) {
   1937                 mFrameAvailableCondition.wait(mMutex);
   1938             }
   1939             mFrameAvailable = false;
   1940             ALOGV("-waitForFrame");
   1941         }
   1942 
   1943         // Allow the producer to return from its swapBuffers call and continue
   1944         // on to produce the next frame.  This should be called by the consumer
   1945         // thread once for every frame expected by the test.
   1946         void finishFrame() {
   1947             Mutex::Autolock lock(mMutex);
   1948             ALOGV("+finishFrame");
   1949             mFrameFinished = true;
   1950             mFrameFinishCondition.signal();
   1951             ALOGV("-finishFrame");
   1952         }
   1953 
   1954         // This should be called by SurfaceTexture on the producer thread.
   1955         virtual void onFrameAvailable() {
   1956             Mutex::Autolock lock(mMutex);
   1957             ALOGV("+onFrameAvailable");
   1958             mFrameAvailable = true;
   1959             mFrameAvailableCondition.signal();
   1960             while (!mFrameFinished) {
   1961                 mFrameFinishCondition.wait(mMutex);
   1962             }
   1963             mFrameFinished = false;
   1964             ALOGV("-onFrameAvailable");
   1965         }
   1966 
   1967     protected:
   1968         bool mFrameAvailable;
   1969         bool mFrameFinished;
   1970 
   1971         Mutex mMutex;
   1972         Condition mFrameAvailableCondition;
   1973         Condition mFrameFinishCondition;
   1974     };
   1975 
   1976     virtual void SetUp() {
   1977         SurfaceTextureGLToGLTest::SetUp();
   1978         mFC = new FrameCondition();
   1979         mST->setFrameAvailableListener(mFC);
   1980     }
   1981 
   1982     virtual void TearDown() {
   1983         if (mProducerThread != NULL) {
   1984             mProducerThread->requestExitAndWait();
   1985         }
   1986         mProducerThread.clear();
   1987         mFC.clear();
   1988         SurfaceTextureGLToGLTest::TearDown();
   1989     }
   1990 
   1991     void runProducerThread(const sp<ProducerThread> producerThread) {
   1992         ASSERT_TRUE(mProducerThread == NULL);
   1993         mProducerThread = producerThread;
   1994         producerThread->setEglObjects(mEglDisplay, mProducerEglSurface,
   1995                 mProducerEglContext);
   1996         producerThread->run();
   1997     }
   1998 
   1999     sp<ProducerThread> mProducerThread;
   2000     sp<FrameCondition> mFC;
   2001 };
   2002 
   2003 TEST_F(SurfaceTextureGLThreadToGLTest,
   2004         UpdateTexImageBeforeFrameFinishedCompletes) {
   2005     class PT : public ProducerThread {
   2006         virtual void render() {
   2007             glClearColor(0.0f, 1.0f, 0.0f, 1.0f);
   2008             glClear(GL_COLOR_BUFFER_BIT);
   2009             swapBuffers();
   2010         }
   2011     };
   2012 
   2013     runProducerThread(new PT());
   2014 
   2015     mFC->waitForFrame();
   2016     ASSERT_EQ(NO_ERROR, mST->updateTexImage());
   2017     mFC->finishFrame();
   2018 
   2019     // TODO: Add frame verification once RGB TEX_EXTERNAL_OES is supported!
   2020 }
   2021 
   2022 TEST_F(SurfaceTextureGLThreadToGLTest,
   2023         UpdateTexImageAfterFrameFinishedCompletes) {
   2024     class PT : public ProducerThread {
   2025         virtual void render() {
   2026             glClearColor(0.0f, 1.0f, 0.0f, 1.0f);
   2027             glClear(GL_COLOR_BUFFER_BIT);
   2028             swapBuffers();
   2029         }
   2030     };
   2031 
   2032     runProducerThread(new PT());
   2033 
   2034     mFC->waitForFrame();
   2035     mFC->finishFrame();
   2036     ASSERT_EQ(NO_ERROR, mST->updateTexImage());
   2037 
   2038     // TODO: Add frame verification once RGB TEX_EXTERNAL_OES is supported!
   2039 }
   2040 
   2041 TEST_F(SurfaceTextureGLThreadToGLTest,
   2042         RepeatedUpdateTexImageBeforeFrameFinishedCompletes) {
   2043     enum { NUM_ITERATIONS = 1024 };
   2044 
   2045     class PT : public ProducerThread {
   2046         virtual void render() {
   2047             for (int i = 0; i < NUM_ITERATIONS; i++) {
   2048                 glClearColor(0.0f, 1.0f, 0.0f, 1.0f);
   2049                 glClear(GL_COLOR_BUFFER_BIT);
   2050                 ALOGV("+swapBuffers");
   2051                 swapBuffers();
   2052                 ALOGV("-swapBuffers");
   2053             }
   2054         }
   2055     };
   2056 
   2057     runProducerThread(new PT());
   2058 
   2059     for (int i = 0; i < NUM_ITERATIONS; i++) {
   2060         mFC->waitForFrame();
   2061         ALOGV("+updateTexImage");
   2062         ASSERT_EQ(NO_ERROR, mST->updateTexImage());
   2063         ALOGV("-updateTexImage");
   2064         mFC->finishFrame();
   2065 
   2066         // TODO: Add frame verification once RGB TEX_EXTERNAL_OES is supported!
   2067     }
   2068 }
   2069 
   2070 TEST_F(SurfaceTextureGLThreadToGLTest,
   2071         RepeatedUpdateTexImageAfterFrameFinishedCompletes) {
   2072     enum { NUM_ITERATIONS = 1024 };
   2073 
   2074     class PT : public ProducerThread {
   2075         virtual void render() {
   2076             for (int i = 0; i < NUM_ITERATIONS; i++) {
   2077                 glClearColor(0.0f, 1.0f, 0.0f, 1.0f);
   2078                 glClear(GL_COLOR_BUFFER_BIT);
   2079                 ALOGV("+swapBuffers");
   2080                 swapBuffers();
   2081                 ALOGV("-swapBuffers");
   2082             }
   2083         }
   2084     };
   2085 
   2086     runProducerThread(new PT());
   2087 
   2088     for (int i = 0; i < NUM_ITERATIONS; i++) {
   2089         mFC->waitForFrame();
   2090         mFC->finishFrame();
   2091         ALOGV("+updateTexImage");
   2092         ASSERT_EQ(NO_ERROR, mST->updateTexImage());
   2093         ALOGV("-updateTexImage");
   2094 
   2095         // TODO: Add frame verification once RGB TEX_EXTERNAL_OES is supported!
   2096     }
   2097 }
   2098 
   2099 // XXX: This test is disabled because it is currently hanging on some devices.
   2100 TEST_F(SurfaceTextureGLThreadToGLTest,
   2101         DISABLED_RepeatedSwapBuffersWhileDequeueStalledCompletes) {
   2102     enum { NUM_ITERATIONS = 64 };
   2103 
   2104     class PT : public ProducerThread {
   2105         virtual void render() {
   2106             for (int i = 0; i < NUM_ITERATIONS; i++) {
   2107                 glClearColor(0.0f, 1.0f, 0.0f, 1.0f);
   2108                 glClear(GL_COLOR_BUFFER_BIT);
   2109                 ALOGV("+swapBuffers");
   2110                 swapBuffers();
   2111                 ALOGV("-swapBuffers");
   2112             }
   2113         }
   2114     };
   2115 
   2116     ASSERT_EQ(OK, mST->setSynchronousMode(true));
   2117     ASSERT_EQ(OK, mST->setDefaultMaxBufferCount(2));
   2118 
   2119     runProducerThread(new PT());
   2120 
   2121     // Allow three frames to be rendered and queued before starting the
   2122     // rendering in this thread.  For the latter two frames we don't call
   2123     // updateTexImage so the next dequeue from the producer thread will block
   2124     // waiting for a frame to become available.
   2125     mFC->waitForFrame();
   2126     mFC->finishFrame();
   2127 
   2128     // We must call updateTexImage to consume the first frame so that the
   2129     // SurfaceTexture is able to reduce the buffer count to 2.  This is because
   2130     // the GL driver may dequeue a buffer when the EGLSurface is created, and
   2131     // that happens before we call setDefaultMaxBufferCount.  It's possible that the
   2132     // driver does not dequeue a buffer at EGLSurface creation time, so we
   2133     // cannot rely on this to cause the second dequeueBuffer call to block.
   2134     ASSERT_EQ(NO_ERROR, mST->updateTexImage());
   2135 
   2136     mFC->waitForFrame();
   2137     mFC->finishFrame();
   2138     mFC->waitForFrame();
   2139     mFC->finishFrame();
   2140 
   2141     // Sleep for 100ms to allow the producer thread's dequeueBuffer call to
   2142     // block waiting for a buffer to become available.
   2143     usleep(100000);
   2144 
   2145     // Render and present a number of images.  This thread should not be blocked
   2146     // by the fact that the producer thread is blocking in dequeue.
   2147     for (int i = 0; i < NUM_ITERATIONS; i++) {
   2148         glClear(GL_COLOR_BUFFER_BIT);
   2149         eglSwapBuffers(mEglDisplay, mEglSurface);
   2150     }
   2151 
   2152     // Consume the two pending buffers to unblock the producer thread.
   2153     ASSERT_EQ(NO_ERROR, mST->updateTexImage());
   2154     ASSERT_EQ(NO_ERROR, mST->updateTexImage());
   2155 
   2156     // Consume the remaining buffers from the producer thread.
   2157     for (int i = 0; i < NUM_ITERATIONS-3; i++) {
   2158         mFC->waitForFrame();
   2159         mFC->finishFrame();
   2160         ALOGV("+updateTexImage");
   2161         ASSERT_EQ(NO_ERROR, mST->updateTexImage());
   2162         ALOGV("-updateTexImage");
   2163     }
   2164 }
   2165 
   2166 class SurfaceTextureFBOTest : public SurfaceTextureGLTest {
   2167 protected:
   2168 
   2169     virtual void SetUp() {
   2170         SurfaceTextureGLTest::SetUp();
   2171 
   2172         glGenFramebuffers(1, &mFbo);
   2173         ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
   2174 
   2175         glGenTextures(1, &mFboTex);
   2176         glBindTexture(GL_TEXTURE_2D, mFboTex);
   2177         glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, getSurfaceWidth(),
   2178                 getSurfaceHeight(), 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
   2179         glBindTexture(GL_TEXTURE_2D, 0);
   2180         ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
   2181 
   2182         glBindFramebuffer(GL_FRAMEBUFFER, mFbo);
   2183         glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
   2184                 GL_TEXTURE_2D, mFboTex, 0);
   2185         glBindFramebuffer(GL_FRAMEBUFFER, 0);
   2186         ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
   2187     }
   2188 
   2189     virtual void TearDown() {
   2190         SurfaceTextureGLTest::TearDown();
   2191 
   2192         glDeleteTextures(1, &mFboTex);
   2193         glDeleteFramebuffers(1, &mFbo);
   2194     }
   2195 
   2196     GLuint mFbo;
   2197     GLuint mFboTex;
   2198 };
   2199 
   2200 // This test is intended to verify that proper synchronization is done when
   2201 // rendering into an FBO.
   2202 TEST_F(SurfaceTextureFBOTest, BlitFromCpuFilledBufferToFbo) {
   2203     const int texWidth = 64;
   2204     const int texHeight = 64;
   2205 
   2206     ASSERT_EQ(NO_ERROR, native_window_set_buffers_geometry(mANW.get(),
   2207             texWidth, texHeight, HAL_PIXEL_FORMAT_RGBA_8888));
   2208     ASSERT_EQ(NO_ERROR, native_window_set_usage(mANW.get(),
   2209             GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN));
   2210 
   2211     android_native_buffer_t* anb;
   2212     ASSERT_EQ(NO_ERROR, native_window_dequeue_buffer_and_wait(mANW.get(),
   2213             &anb));
   2214     ASSERT_TRUE(anb != NULL);
   2215 
   2216     sp<GraphicBuffer> buf(new GraphicBuffer(anb, false));
   2217 
   2218     // Fill the buffer with green
   2219     uint8_t* img = NULL;
   2220     buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN, (void**)(&img));
   2221     fillRGBA8BufferSolid(img, texWidth, texHeight, buf->getStride(), 0, 255,
   2222             0, 255);
   2223     buf->unlock();
   2224     ASSERT_EQ(NO_ERROR, mANW->queueBuffer(mANW.get(), buf->getNativeBuffer(),
   2225             -1));
   2226 
   2227     ASSERT_EQ(NO_ERROR, mST->updateTexImage());
   2228 
   2229     glBindFramebuffer(GL_FRAMEBUFFER, mFbo);
   2230     drawTexture();
   2231     glBindFramebuffer(GL_FRAMEBUFFER, 0);
   2232 
   2233     for (int i = 0; i < 4; i++) {
   2234         SCOPED_TRACE(String8::format("frame %d", i).string());
   2235 
   2236         ASSERT_EQ(NO_ERROR, native_window_dequeue_buffer_and_wait(mANW.get(),
   2237                 &anb));
   2238         ASSERT_TRUE(anb != NULL);
   2239 
   2240         buf = new GraphicBuffer(anb, false);
   2241 
   2242         // Fill the buffer with red
   2243         ASSERT_EQ(NO_ERROR, buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN,
   2244                 (void**)(&img)));
   2245         fillRGBA8BufferSolid(img, texWidth, texHeight, buf->getStride(), 255, 0,
   2246                 0, 255);
   2247         ASSERT_EQ(NO_ERROR, buf->unlock());
   2248         ASSERT_EQ(NO_ERROR, mANW->queueBuffer(mANW.get(),
   2249                 buf->getNativeBuffer(), -1));
   2250 
   2251         ASSERT_EQ(NO_ERROR, mST->updateTexImage());
   2252 
   2253         drawTexture();
   2254 
   2255         EXPECT_TRUE(checkPixel( 24, 39, 255, 0, 0, 255));
   2256     }
   2257 
   2258     glBindFramebuffer(GL_FRAMEBUFFER, mFbo);
   2259 
   2260     EXPECT_TRUE(checkPixel( 24, 39, 0, 255, 0, 255));
   2261 }
   2262 
   2263 class SurfaceTextureMultiContextGLTest : public SurfaceTextureGLTest {
   2264 protected:
   2265     enum { SECOND_TEX_ID = 123 };
   2266     enum { THIRD_TEX_ID = 456 };
   2267 
   2268     SurfaceTextureMultiContextGLTest():
   2269             mSecondEglContext(EGL_NO_CONTEXT) {
   2270     }
   2271 
   2272     virtual void SetUp() {
   2273         SurfaceTextureGLTest::SetUp();
   2274 
   2275         // Set up the secondary context and texture renderer.
   2276         mSecondEglContext = eglCreateContext(mEglDisplay, mGlConfig,
   2277                 EGL_NO_CONTEXT, getContextAttribs());
   2278         ASSERT_EQ(EGL_SUCCESS, eglGetError());
   2279         ASSERT_NE(EGL_NO_CONTEXT, mSecondEglContext);
   2280 
   2281         ASSERT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
   2282                 mSecondEglContext));
   2283         ASSERT_EQ(EGL_SUCCESS, eglGetError());
   2284         mSecondTextureRenderer = new TextureRenderer(SECOND_TEX_ID, mST);
   2285         ASSERT_NO_FATAL_FAILURE(mSecondTextureRenderer->SetUp());
   2286 
   2287         // Set up the tertiary context and texture renderer.
   2288         mThirdEglContext = eglCreateContext(mEglDisplay, mGlConfig,
   2289                 EGL_NO_CONTEXT, getContextAttribs());
   2290         ASSERT_EQ(EGL_SUCCESS, eglGetError());
   2291         ASSERT_NE(EGL_NO_CONTEXT, mThirdEglContext);
   2292 
   2293         ASSERT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
   2294                 mThirdEglContext));
   2295         ASSERT_EQ(EGL_SUCCESS, eglGetError());
   2296         mThirdTextureRenderer = new TextureRenderer(THIRD_TEX_ID, mST);
   2297         ASSERT_NO_FATAL_FAILURE(mThirdTextureRenderer->SetUp());
   2298 
   2299         // Switch back to the primary context to start the tests.
   2300         ASSERT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
   2301                 mEglContext));
   2302     }
   2303 
   2304     virtual void TearDown() {
   2305         if (mThirdEglContext != EGL_NO_CONTEXT) {
   2306             eglDestroyContext(mEglDisplay, mThirdEglContext);
   2307         }
   2308         if (mSecondEglContext != EGL_NO_CONTEXT) {
   2309             eglDestroyContext(mEglDisplay, mSecondEglContext);
   2310         }
   2311         SurfaceTextureGLTest::TearDown();
   2312     }
   2313 
   2314     EGLContext mSecondEglContext;
   2315     sp<TextureRenderer> mSecondTextureRenderer;
   2316 
   2317     EGLContext mThirdEglContext;
   2318     sp<TextureRenderer> mThirdTextureRenderer;
   2319 };
   2320 
   2321 TEST_F(SurfaceTextureMultiContextGLTest, UpdateFromMultipleContextsFails) {
   2322     ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
   2323 
   2324     // Latch the texture contents on the primary context.
   2325     mFW->waitForFrame();
   2326     ASSERT_EQ(OK, mST->updateTexImage());
   2327 
   2328     // Attempt to latch the texture on the secondary context.
   2329     ASSERT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
   2330             mSecondEglContext));
   2331     ASSERT_EQ(EGL_SUCCESS, eglGetError());
   2332     ASSERT_EQ(INVALID_OPERATION, mST->updateTexImage());
   2333 }
   2334 
   2335 TEST_F(SurfaceTextureMultiContextGLTest, DetachFromContextSucceeds) {
   2336     ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
   2337 
   2338     // Latch the texture contents on the primary context.
   2339     mFW->waitForFrame();
   2340     ASSERT_EQ(OK, mST->updateTexImage());
   2341 
   2342     // Detach from the primary context.
   2343     ASSERT_EQ(OK, mST->detachFromContext());
   2344 
   2345     // Check that the GL texture was deleted.
   2346     EXPECT_EQ(GL_FALSE, glIsTexture(TEX_ID));
   2347 }
   2348 
   2349 TEST_F(SurfaceTextureMultiContextGLTest,
   2350         DetachFromContextSucceedsAfterProducerDisconnect) {
   2351     ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
   2352 
   2353     // Latch the texture contents on the primary context.
   2354     mFW->waitForFrame();
   2355     ASSERT_EQ(OK, mST->updateTexImage());
   2356 
   2357     // Detach from the primary context.
   2358     native_window_api_disconnect(mANW.get(), NATIVE_WINDOW_API_CPU);
   2359     ASSERT_EQ(OK, mST->detachFromContext());
   2360 
   2361     // Check that the GL texture was deleted.
   2362     EXPECT_EQ(GL_FALSE, glIsTexture(TEX_ID));
   2363 }
   2364 
   2365 TEST_F(SurfaceTextureMultiContextGLTest, DetachFromContextFailsWhenAbandoned) {
   2366     ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
   2367 
   2368     // Latch the texture contents on the primary context.
   2369     mFW->waitForFrame();
   2370     ASSERT_EQ(OK, mST->updateTexImage());
   2371 
   2372     // Attempt to detach from the primary context.
   2373     mST->abandon();
   2374     ASSERT_EQ(NO_INIT, mST->detachFromContext());
   2375 }
   2376 
   2377 TEST_F(SurfaceTextureMultiContextGLTest, DetachFromContextFailsWhenDetached) {
   2378     ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
   2379 
   2380     // Latch the texture contents on the primary context.
   2381     mFW->waitForFrame();
   2382     ASSERT_EQ(OK, mST->updateTexImage());
   2383 
   2384     // Detach from the primary context.
   2385     ASSERT_EQ(OK, mST->detachFromContext());
   2386 
   2387     // Attempt to detach from the primary context again.
   2388     ASSERT_EQ(INVALID_OPERATION, mST->detachFromContext());
   2389 }
   2390 
   2391 TEST_F(SurfaceTextureMultiContextGLTest, DetachFromContextFailsWithNoDisplay) {
   2392     ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
   2393 
   2394     // Latch the texture contents on the primary context.
   2395     mFW->waitForFrame();
   2396     ASSERT_EQ(OK, mST->updateTexImage());
   2397 
   2398     // Make there be no current display.
   2399     ASSERT_TRUE(eglMakeCurrent(mEglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE,
   2400             EGL_NO_CONTEXT));
   2401     ASSERT_EQ(EGL_SUCCESS, eglGetError());
   2402 
   2403     // Attempt to detach from the primary context.
   2404     ASSERT_EQ(INVALID_OPERATION, mST->detachFromContext());
   2405 }
   2406 
   2407 TEST_F(SurfaceTextureMultiContextGLTest, DetachFromContextFailsWithNoContext) {
   2408     ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
   2409 
   2410     // Latch the texture contents on the primary context.
   2411     mFW->waitForFrame();
   2412     ASSERT_EQ(OK, mST->updateTexImage());
   2413 
   2414     // Make current context be incorrect.
   2415     ASSERT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
   2416             mSecondEglContext));
   2417     ASSERT_EQ(EGL_SUCCESS, eglGetError());
   2418 
   2419     // Attempt to detach from the primary context.
   2420     ASSERT_EQ(INVALID_OPERATION, mST->detachFromContext());
   2421 }
   2422 
   2423 TEST_F(SurfaceTextureMultiContextGLTest, UpdateTexImageFailsWhenDetached) {
   2424     ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
   2425 
   2426     // Detach from the primary context.
   2427     ASSERT_EQ(OK, mST->detachFromContext());
   2428 
   2429     // Attempt to latch the texture contents on the primary context.
   2430     mFW->waitForFrame();
   2431     ASSERT_EQ(INVALID_OPERATION, mST->updateTexImage());
   2432 }
   2433 
   2434 TEST_F(SurfaceTextureMultiContextGLTest, AttachToContextSucceeds) {
   2435     ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
   2436 
   2437     // Latch the texture contents on the primary context.
   2438     mFW->waitForFrame();
   2439     ASSERT_EQ(OK, mST->updateTexImage());
   2440 
   2441     // Detach from the primary context.
   2442     ASSERT_EQ(OK, mST->detachFromContext());
   2443 
   2444     // Attach to the secondary context.
   2445     ASSERT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
   2446             mSecondEglContext));
   2447     ASSERT_EQ(OK, mST->attachToContext(SECOND_TEX_ID));
   2448 
   2449     // Verify that the texture object was created and bound.
   2450     GLint texBinding = -1;
   2451     glGetIntegerv(GL_TEXTURE_BINDING_EXTERNAL_OES, &texBinding);
   2452     EXPECT_EQ(SECOND_TEX_ID, texBinding);
   2453 
   2454     // Try to use the texture from the secondary context.
   2455     glClearColor(0.2, 0.2, 0.2, 0.2);
   2456     glClear(GL_COLOR_BUFFER_BIT);
   2457     glViewport(0, 0, 1, 1);
   2458     mSecondTextureRenderer->drawTexture();
   2459     ASSERT_TRUE(checkPixel( 0,  0,  35,  35,  35,  35));
   2460     ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
   2461 }
   2462 
   2463 TEST_F(SurfaceTextureMultiContextGLTest,
   2464         AttachToContextSucceedsAfterProducerDisconnect) {
   2465     ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
   2466 
   2467     // Latch the texture contents on the primary context.
   2468     mFW->waitForFrame();
   2469     ASSERT_EQ(OK, mST->updateTexImage());
   2470 
   2471     // Detach from the primary context.
   2472     native_window_api_disconnect(mANW.get(), NATIVE_WINDOW_API_CPU);
   2473     ASSERT_EQ(OK, mST->detachFromContext());
   2474 
   2475     // Attach to the secondary context.
   2476     ASSERT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
   2477             mSecondEglContext));
   2478     ASSERT_EQ(OK, mST->attachToContext(SECOND_TEX_ID));
   2479 
   2480     // Verify that the texture object was created and bound.
   2481     GLint texBinding = -1;
   2482     glGetIntegerv(GL_TEXTURE_BINDING_EXTERNAL_OES, &texBinding);
   2483     EXPECT_EQ(SECOND_TEX_ID, texBinding);
   2484 
   2485     // Try to use the texture from the secondary context.
   2486     glClearColor(0.2, 0.2, 0.2, 0.2);
   2487     glClear(GL_COLOR_BUFFER_BIT);
   2488     glViewport(0, 0, 1, 1);
   2489     mSecondTextureRenderer->drawTexture();
   2490     ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
   2491     ASSERT_TRUE(checkPixel( 0,  0,  35,  35,  35,  35));
   2492 }
   2493 
   2494 TEST_F(SurfaceTextureMultiContextGLTest,
   2495         AttachToContextSucceedsBeforeUpdateTexImage) {
   2496     ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
   2497 
   2498     // Detach from the primary context.
   2499     native_window_api_disconnect(mANW.get(), NATIVE_WINDOW_API_CPU);
   2500     ASSERT_EQ(OK, mST->detachFromContext());
   2501 
   2502     // Attach to the secondary context.
   2503     ASSERT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
   2504             mSecondEglContext));
   2505     ASSERT_EQ(OK, mST->attachToContext(SECOND_TEX_ID));
   2506 
   2507     // Verify that the texture object was created and bound.
   2508     GLint texBinding = -1;
   2509     glGetIntegerv(GL_TEXTURE_BINDING_EXTERNAL_OES, &texBinding);
   2510     EXPECT_EQ(SECOND_TEX_ID, texBinding);
   2511 
   2512     // Latch the texture contents on the primary context.
   2513     mFW->waitForFrame();
   2514     ASSERT_EQ(OK, mST->updateTexImage());
   2515 
   2516     // Try to use the texture from the secondary context.
   2517     glClearColor(0.2, 0.2, 0.2, 0.2);
   2518     glClear(GL_COLOR_BUFFER_BIT);
   2519     glViewport(0, 0, 1, 1);
   2520     mSecondTextureRenderer->drawTexture();
   2521     ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
   2522     ASSERT_TRUE(checkPixel( 0,  0,  35,  35,  35,  35));
   2523 }
   2524 
   2525 TEST_F(SurfaceTextureMultiContextGLTest, AttachToContextFailsWhenAbandoned) {
   2526     ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
   2527 
   2528     // Latch the texture contents on the primary context.
   2529     mFW->waitForFrame();
   2530     ASSERT_EQ(OK, mST->updateTexImage());
   2531 
   2532     // Detach from the primary context.
   2533     ASSERT_EQ(OK, mST->detachFromContext());
   2534 
   2535     // Attempt to attach to the secondary context.
   2536     mST->abandon();
   2537 
   2538     // Attempt to attach to the primary context.
   2539     ASSERT_EQ(NO_INIT, mST->attachToContext(SECOND_TEX_ID));
   2540 }
   2541 
   2542 TEST_F(SurfaceTextureMultiContextGLTest, AttachToContextFailsWhenAttached) {
   2543     ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
   2544 
   2545     // Latch the texture contents on the primary context.
   2546     mFW->waitForFrame();
   2547     ASSERT_EQ(OK, mST->updateTexImage());
   2548 
   2549     // Attempt to attach to the primary context.
   2550     ASSERT_EQ(INVALID_OPERATION, mST->attachToContext(SECOND_TEX_ID));
   2551 }
   2552 
   2553 TEST_F(SurfaceTextureMultiContextGLTest,
   2554         AttachToContextFailsWhenAttachedBeforeUpdateTexImage) {
   2555     ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
   2556 
   2557     // Attempt to attach to the primary context.
   2558     ASSERT_EQ(INVALID_OPERATION, mST->attachToContext(SECOND_TEX_ID));
   2559 }
   2560 
   2561 TEST_F(SurfaceTextureMultiContextGLTest, AttachToContextFailsWithNoDisplay) {
   2562     ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
   2563 
   2564     // Latch the texture contents on the primary context.
   2565     mFW->waitForFrame();
   2566     ASSERT_EQ(OK, mST->updateTexImage());
   2567 
   2568     // Detach from the primary context.
   2569     ASSERT_EQ(OK, mST->detachFromContext());
   2570 
   2571     // Make there be no current display.
   2572     ASSERT_TRUE(eglMakeCurrent(mEglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE,
   2573             EGL_NO_CONTEXT));
   2574     ASSERT_EQ(EGL_SUCCESS, eglGetError());
   2575 
   2576     // Attempt to attach with no context current.
   2577     ASSERT_EQ(INVALID_OPERATION, mST->attachToContext(SECOND_TEX_ID));
   2578 }
   2579 
   2580 TEST_F(SurfaceTextureMultiContextGLTest, AttachToContextSucceedsTwice) {
   2581     ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
   2582 
   2583     // Latch the texture contents on the primary context.
   2584     mFW->waitForFrame();
   2585     ASSERT_EQ(OK, mST->updateTexImage());
   2586 
   2587     // Detach from the primary context.
   2588     ASSERT_EQ(OK, mST->detachFromContext());
   2589 
   2590     // Attach to the secondary context.
   2591     ASSERT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
   2592             mSecondEglContext));
   2593     ASSERT_EQ(OK, mST->attachToContext(SECOND_TEX_ID));
   2594 
   2595     // Detach from the secondary context.
   2596     ASSERT_EQ(OK, mST->detachFromContext());
   2597 
   2598     // Attach to the tertiary context.
   2599     ASSERT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
   2600             mThirdEglContext));
   2601     ASSERT_EQ(OK, mST->attachToContext(THIRD_TEX_ID));
   2602 
   2603     // Verify that the texture object was created and bound.
   2604     GLint texBinding = -1;
   2605     glGetIntegerv(GL_TEXTURE_BINDING_EXTERNAL_OES, &texBinding);
   2606     EXPECT_EQ(THIRD_TEX_ID, texBinding);
   2607 
   2608     // Try to use the texture from the tertiary context.
   2609     glClearColor(0.2, 0.2, 0.2, 0.2);
   2610     glClear(GL_COLOR_BUFFER_BIT);
   2611     glViewport(0, 0, 1, 1);
   2612     mThirdTextureRenderer->drawTexture();
   2613     ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
   2614     ASSERT_TRUE(checkPixel( 0,  0,  35,  35,  35,  35));
   2615 }
   2616 
   2617 TEST_F(SurfaceTextureMultiContextGLTest,
   2618         AttachToContextSucceedsTwiceBeforeUpdateTexImage) {
   2619     ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
   2620 
   2621     // Detach from the primary context.
   2622     ASSERT_EQ(OK, mST->detachFromContext());
   2623 
   2624     // Attach to the secondary context.
   2625     ASSERT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
   2626             mSecondEglContext));
   2627     ASSERT_EQ(OK, mST->attachToContext(SECOND_TEX_ID));
   2628 
   2629     // Detach from the secondary context.
   2630     ASSERT_EQ(OK, mST->detachFromContext());
   2631 
   2632     // Attach to the tertiary context.
   2633     ASSERT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
   2634             mThirdEglContext));
   2635     ASSERT_EQ(OK, mST->attachToContext(THIRD_TEX_ID));
   2636 
   2637     // Verify that the texture object was created and bound.
   2638     GLint texBinding = -1;
   2639     glGetIntegerv(GL_TEXTURE_BINDING_EXTERNAL_OES, &texBinding);
   2640     EXPECT_EQ(THIRD_TEX_ID, texBinding);
   2641 
   2642     // Latch the texture contents on the tertiary context.
   2643     mFW->waitForFrame();
   2644     ASSERT_EQ(OK, mST->updateTexImage());
   2645 
   2646     // Try to use the texture from the tertiary context.
   2647     glClearColor(0.2, 0.2, 0.2, 0.2);
   2648     glClear(GL_COLOR_BUFFER_BIT);
   2649     glViewport(0, 0, 1, 1);
   2650     mThirdTextureRenderer->drawTexture();
   2651     ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
   2652     ASSERT_TRUE(checkPixel( 0,  0,  35,  35,  35,  35));
   2653 }
   2654 
   2655 TEST_F(SurfaceTextureMultiContextGLTest,
   2656         UpdateTexImageSucceedsForBufferConsumedBeforeDetach) {
   2657     ASSERT_EQ(NO_ERROR, mST->setSynchronousMode(true));
   2658     ASSERT_EQ(NO_ERROR, mST->setDefaultMaxBufferCount(2));
   2659 
   2660     // produce two frames and consume them both on the primary context
   2661     ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
   2662     mFW->waitForFrame();
   2663     ASSERT_EQ(OK, mST->updateTexImage());
   2664 
   2665     ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
   2666     mFW->waitForFrame();
   2667     ASSERT_EQ(OK, mST->updateTexImage());
   2668 
   2669     // produce one more frame
   2670     ASSERT_NO_FATAL_FAILURE(produceOneRGBA8Frame(mANW));
   2671 
   2672     // Detach from the primary context and attach to the secondary context
   2673     ASSERT_EQ(OK, mST->detachFromContext());
   2674     ASSERT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
   2675             mSecondEglContext));
   2676     ASSERT_EQ(OK, mST->attachToContext(SECOND_TEX_ID));
   2677 
   2678     // Consume final frame on secondary context
   2679     mFW->waitForFrame();
   2680     ASSERT_EQ(OK, mST->updateTexImage());
   2681 }
   2682 
   2683 } // namespace android
   2684