libgui: Split SurfaceTexture tests into more files

Extract the many different test fixtures and suites in SurfaceTexture_test.cpp
into separate files. No real functional changes, just tweaking headers to keep
things building (and adding a few copyright headers I forgot last time).

Change-Id: Id801bd5d617f0cc61d22508fb9b71b41694bdecf
diff --git a/libs/gui/tests/SurfaceTextureGLThreadToGL_test.cpp b/libs/gui/tests/SurfaceTextureGLThreadToGL_test.cpp
new file mode 100644
index 0000000..9776733
--- /dev/null
+++ b/libs/gui/tests/SurfaceTextureGLThreadToGL_test.cpp
@@ -0,0 +1,186 @@
+/*
+ * Copyright 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "SurfaceTextureGLThreadToGL_test"
+//#define LOG_NDEBUG 0
+
+#include "SurfaceTextureGLThreadToGL.h"
+
+namespace android {
+
+TEST_F(SurfaceTextureGLThreadToGLTest,
+        UpdateTexImageBeforeFrameFinishedCompletes) {
+    class PT : public ProducerThread {
+        virtual void render() {
+            glClearColor(0.0f, 1.0f, 0.0f, 1.0f);
+            glClear(GL_COLOR_BUFFER_BIT);
+            swapBuffers();
+        }
+    };
+
+    runProducerThread(new PT());
+
+    mFC->waitForFrame();
+    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
+    mFC->finishFrame();
+
+    // TODO: Add frame verification once RGB TEX_EXTERNAL_OES is supported!
+}
+
+TEST_F(SurfaceTextureGLThreadToGLTest,
+        UpdateTexImageAfterFrameFinishedCompletes) {
+    class PT : public ProducerThread {
+        virtual void render() {
+            glClearColor(0.0f, 1.0f, 0.0f, 1.0f);
+            glClear(GL_COLOR_BUFFER_BIT);
+            swapBuffers();
+        }
+    };
+
+    runProducerThread(new PT());
+
+    mFC->waitForFrame();
+    mFC->finishFrame();
+    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
+
+    // TODO: Add frame verification once RGB TEX_EXTERNAL_OES is supported!
+}
+
+TEST_F(SurfaceTextureGLThreadToGLTest,
+        RepeatedUpdateTexImageBeforeFrameFinishedCompletes) {
+    enum { NUM_ITERATIONS = 1024 };
+
+    class PT : public ProducerThread {
+        virtual void render() {
+            for (int i = 0; i < NUM_ITERATIONS; i++) {
+                glClearColor(0.0f, 1.0f, 0.0f, 1.0f);
+                glClear(GL_COLOR_BUFFER_BIT);
+                ALOGV("+swapBuffers");
+                swapBuffers();
+                ALOGV("-swapBuffers");
+            }
+        }
+    };
+
+    runProducerThread(new PT());
+
+    for (int i = 0; i < NUM_ITERATIONS; i++) {
+        mFC->waitForFrame();
+        ALOGV("+updateTexImage");
+        ASSERT_EQ(NO_ERROR, mST->updateTexImage());
+        ALOGV("-updateTexImage");
+        mFC->finishFrame();
+
+        // TODO: Add frame verification once RGB TEX_EXTERNAL_OES is supported!
+    }
+}
+
+TEST_F(SurfaceTextureGLThreadToGLTest,
+        RepeatedUpdateTexImageAfterFrameFinishedCompletes) {
+    enum { NUM_ITERATIONS = 1024 };
+
+    class PT : public ProducerThread {
+        virtual void render() {
+            for (int i = 0; i < NUM_ITERATIONS; i++) {
+                glClearColor(0.0f, 1.0f, 0.0f, 1.0f);
+                glClear(GL_COLOR_BUFFER_BIT);
+                ALOGV("+swapBuffers");
+                swapBuffers();
+                ALOGV("-swapBuffers");
+            }
+        }
+    };
+
+    runProducerThread(new PT());
+
+    for (int i = 0; i < NUM_ITERATIONS; i++) {
+        mFC->waitForFrame();
+        mFC->finishFrame();
+        ALOGV("+updateTexImage");
+        ASSERT_EQ(NO_ERROR, mST->updateTexImage());
+        ALOGV("-updateTexImage");
+
+        // TODO: Add frame verification once RGB TEX_EXTERNAL_OES is supported!
+    }
+}
+
+// XXX: This test is disabled because it is currently hanging on some devices.
+TEST_F(SurfaceTextureGLThreadToGLTest,
+        DISABLED_RepeatedSwapBuffersWhileDequeueStalledCompletes) {
+    enum { NUM_ITERATIONS = 64 };
+
+    class PT : public ProducerThread {
+        virtual void render() {
+            for (int i = 0; i < NUM_ITERATIONS; i++) {
+                glClearColor(0.0f, 1.0f, 0.0f, 1.0f);
+                glClear(GL_COLOR_BUFFER_BIT);
+                ALOGV("+swapBuffers");
+                swapBuffers();
+                ALOGV("-swapBuffers");
+            }
+        }
+    };
+
+    ASSERT_EQ(OK, mST->setDefaultMaxBufferCount(2));
+
+    runProducerThread(new PT());
+
+    // Allow three frames to be rendered and queued before starting the
+    // rendering in this thread.  For the latter two frames we don't call
+    // updateTexImage so the next dequeue from the producer thread will block
+    // waiting for a frame to become available.
+    mFC->waitForFrame();
+    mFC->finishFrame();
+
+    // We must call updateTexImage to consume the first frame so that the
+    // SurfaceTexture is able to reduce the buffer count to 2.  This is because
+    // the GL driver may dequeue a buffer when the EGLSurface is created, and
+    // that happens before we call setDefaultMaxBufferCount.  It's possible that the
+    // driver does not dequeue a buffer at EGLSurface creation time, so we
+    // cannot rely on this to cause the second dequeueBuffer call to block.
+    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
+
+    mFC->waitForFrame();
+    mFC->finishFrame();
+    mFC->waitForFrame();
+    mFC->finishFrame();
+
+    // Sleep for 100ms to allow the producer thread's dequeueBuffer call to
+    // block waiting for a buffer to become available.
+    usleep(100000);
+
+    // Render and present a number of images.  This thread should not be blocked
+    // by the fact that the producer thread is blocking in dequeue.
+    for (int i = 0; i < NUM_ITERATIONS; i++) {
+        glClear(GL_COLOR_BUFFER_BIT);
+        eglSwapBuffers(mEglDisplay, mEglSurface);
+    }
+
+    // Consume the two pending buffers to unblock the producer thread.
+    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
+    ASSERT_EQ(NO_ERROR, mST->updateTexImage());
+
+    // Consume the remaining buffers from the producer thread.
+    for (int i = 0; i < NUM_ITERATIONS-3; i++) {
+        mFC->waitForFrame();
+        mFC->finishFrame();
+        ALOGV("+updateTexImage");
+        ASSERT_EQ(NO_ERROR, mST->updateTexImage());
+        ALOGV("-updateTexImage");
+    }
+}
+
+} // namespace android