am 71f683ac: New test

    EGLContext mProducerEglContext;

};

TEST_F(SurfaceTextureGLToGLTest, TransformHintGetsRespected) {

    const uint32_t texWidth = 32;

    const uint32_t texHeight = 64;

    mST->setDefaultBufferSize(texWidth, texHeight);

    mST->setTransformHint(NATIVE_WINDOW_TRANSFORM_ROT_90);

    // This test requires 3 buffers to avoid deadlock because we're

    // both producer and consumer, and only using one thread.

    mST->setDefaultMaxBufferCount(3);

    // Do the producer side of things

    EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,

            mProducerEglSurface, mProducerEglContext));

    ASSERT_EQ(EGL_SUCCESS, eglGetError());

    // Start a buffer with our chosen size and transform hint moving

    // through the system.

    glClear(GL_COLOR_BUFFER_BIT);  // give the driver something to do

    eglSwapBuffers(mEglDisplay, mProducerEglSurface);

    mST->updateTexImage();  // consume it

    // Swap again.

    glClear(GL_COLOR_BUFFER_BIT);

    eglSwapBuffers(mEglDisplay, mProducerEglSurface);

    mST->updateTexImage();

    // The current buffer should either show the effects of the transform

    // hint (in the form of an inverse transform), or show that the

    // transform hint has been ignored.

    sp<GraphicBuffer> buf = mST->getCurrentBuffer();

    if (mST->getCurrentTransform() == NATIVE_WINDOW_TRANSFORM_ROT_270) {

        ASSERT_EQ(texWidth, buf->getHeight());

        ASSERT_EQ(texHeight, buf->getWidth());

    } else {

        ASSERT_EQ(texWidth, buf->getWidth());

        ASSERT_EQ(texHeight, buf->getHeight());

    }

    // Reset the transform hint and confirm that it takes.

    mST->setTransformHint(0);

    glClear(GL_COLOR_BUFFER_BIT);

    eglSwapBuffers(mEglDisplay, mProducerEglSurface);

    mST->updateTexImage();

    glClear(GL_COLOR_BUFFER_BIT);

    eglSwapBuffers(mEglDisplay, mProducerEglSurface);

    mST->updateTexImage();

    buf = mST->getCurrentBuffer();

    ASSERT_EQ((uint32_t) 0, mST->getCurrentTransform());

    ASSERT_EQ(texWidth, buf->getWidth());

    ASSERT_EQ(texHeight, buf->getHeight());

}

TEST_F(SurfaceTextureGLToGLTest, TexturingFromGLFilledRGBABufferPow2) {

    const int texWidth = 64;

    const int texHeight = 64;