libs/gui/tests/SurfaceTextureGLToGL_test.cpp - android_frameworks_native - Gitiles

 /*
  * 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 "SurfaceTextureGLToGL_test"
 //#define LOG_NDEBUG 0

 #include "SurfaceTextureGLToGL.h"

 namespace android {

 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;

     mST->setDefaultBufferSize(texWidth, texHeight);

     // This test requires 3 buffers to complete run on a single thread.
     mST->setDefaultMaxBufferCount(3);

     // Do the producer side of things
     EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
             mProducerEglSurface, mProducerEglContext));
     ASSERT_EQ(EGL_SUCCESS, eglGetError());

     // This is needed to ensure we pick up a buffer of the correct size.
     eglSwapBuffers(mEglDisplay, mProducerEglSurface);

     glClearColor(0.6, 0.6, 0.6, 0.6);
     glClear(GL_COLOR_BUFFER_BIT);

     glEnable(GL_SCISSOR_TEST);
     glScissor(4, 4, 4, 4);
     glClearColor(1.0, 0.0, 0.0, 1.0);
     glClear(GL_COLOR_BUFFER_BIT);

     glScissor(24, 48, 4, 4);
     glClearColor(0.0, 1.0, 0.0, 1.0);
     glClear(GL_COLOR_BUFFER_BIT);

     glScissor(37, 17, 4, 4);
     glClearColor(0.0, 0.0, 1.0, 1.0);
     glClear(GL_COLOR_BUFFER_BIT);

     eglSwapBuffers(mEglDisplay, mProducerEglSurface);

     // Do the consumer side of things
     EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
             mEglContext));
     ASSERT_EQ(EGL_SUCCESS, eglGetError());

     glDisable(GL_SCISSOR_TEST);

     // Skip the first frame, which was empty
     ASSERT_EQ(NO_ERROR, mST->updateTexImage());
     ASSERT_EQ(NO_ERROR, mST->updateTexImage());

     glClearColor(0.2, 0.2, 0.2, 0.2);
     glClear(GL_COLOR_BUFFER_BIT);

     glViewport(0, 0, texWidth, texHeight);
     drawTexture();

     EXPECT_TRUE(checkPixel( 0,  0, 153, 153, 153, 153));
     EXPECT_TRUE(checkPixel(63,  0, 153, 153, 153, 153));
     EXPECT_TRUE(checkPixel(63, 63, 153, 153, 153, 153));
     EXPECT_TRUE(checkPixel( 0, 63, 153, 153, 153, 153));

     EXPECT_TRUE(checkPixel( 4,  7, 255,   0,   0, 255));
     EXPECT_TRUE(checkPixel(25, 51,   0, 255,   0, 255));
     EXPECT_TRUE(checkPixel(40, 19,   0,   0, 255, 255));
     EXPECT_TRUE(checkPixel(29, 51, 153, 153, 153, 153));
     EXPECT_TRUE(checkPixel( 5, 32, 153, 153, 153, 153));
     EXPECT_TRUE(checkPixel(13,  8, 153, 153, 153, 153));
     EXPECT_TRUE(checkPixel(46,  3, 153, 153, 153, 153));
     EXPECT_TRUE(checkPixel(30, 33, 153, 153, 153, 153));
     EXPECT_TRUE(checkPixel( 6, 52, 153, 153, 153, 153));
     EXPECT_TRUE(checkPixel(55, 33, 153, 153, 153, 153));
     EXPECT_TRUE(checkPixel(16, 29, 153, 153, 153, 153));
     EXPECT_TRUE(checkPixel( 1, 30, 153, 153, 153, 153));
     EXPECT_TRUE(checkPixel(41, 37, 153, 153, 153, 153));
     EXPECT_TRUE(checkPixel(46, 29, 153, 153, 153, 153));
     EXPECT_TRUE(checkPixel(15, 25, 153, 153, 153, 153));
     EXPECT_TRUE(checkPixel( 3, 52, 153, 153, 153, 153));
 }

 TEST_F(SurfaceTextureGLToGLTest, EglDestroySurfaceUnrefsBuffers) {
     sp<GraphicBuffer> buffers[2];

     // This test requires async mode to run on a single thread.
     EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
             mProducerEglSurface, mProducerEglContext));
     ASSERT_EQ(EGL_SUCCESS, eglGetError());
     EXPECT_TRUE(eglSwapInterval(mEglDisplay, 0));
     ASSERT_EQ(EGL_SUCCESS, eglGetError());

     for (int i = 0; i < 2; i++) {
         // Produce a frame
         EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
                 mProducerEglSurface, mProducerEglContext));
         ASSERT_EQ(EGL_SUCCESS, eglGetError());
         glClear(GL_COLOR_BUFFER_BIT);
         eglSwapBuffers(mEglDisplay, mProducerEglSurface);

         // Consume a frame
         EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
                 mEglContext));
         ASSERT_EQ(EGL_SUCCESS, eglGetError());
         mFW->waitForFrame();
         ASSERT_EQ(NO_ERROR, mST->updateTexImage());
         buffers[i] = mST->getCurrentBuffer();
     }

     // Destroy the GL texture object to release its ref on buffers[2].
     GLuint texID = TEX_ID;
     glDeleteTextures(1, &texID);

     // Destroy the EGLSurface
     EXPECT_TRUE(eglDestroySurface(mEglDisplay, mProducerEglSurface));
     ASSERT_EQ(EGL_SUCCESS, eglGetError());
     mProducerEglSurface = EGL_NO_SURFACE;

     // This test should have the only reference to buffer 0.
     EXPECT_EQ(1, buffers[0]->getStrongCount());

     // The GLConsumer should hold a single reference to buffer 1 in its
     // mCurrentBuffer member.  All of the references in the slots should have
     // been released.
     EXPECT_EQ(2, buffers[1]->getStrongCount());
 }

 TEST_F(SurfaceTextureGLToGLTest, EglDestroySurfaceAfterAbandonUnrefsBuffers) {
     sp<GraphicBuffer> buffers[3];

     // This test requires async mode to run on a single thread.
     EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
             mProducerEglSurface, mProducerEglContext));
     ASSERT_EQ(EGL_SUCCESS, eglGetError());
     EXPECT_TRUE(eglSwapInterval(mEglDisplay, 0));
     ASSERT_EQ(EGL_SUCCESS, eglGetError());

     for (int i = 0; i < 3; i++) {
         // Produce a frame
         EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
                 mProducerEglSurface, mProducerEglContext));
         ASSERT_EQ(EGL_SUCCESS, eglGetError());
         glClear(GL_COLOR_BUFFER_BIT);
         EXPECT_TRUE(eglSwapBuffers(mEglDisplay, mProducerEglSurface));
         ASSERT_EQ(EGL_SUCCESS, eglGetError());

         // Consume a frame
         EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
                 mEglContext));
         ASSERT_EQ(EGL_SUCCESS, eglGetError());
         mFW->waitForFrame();
         ASSERT_EQ(NO_ERROR, mST->updateTexImage());
         buffers[i] = mST->getCurrentBuffer();
     }

     // Abandon the GLConsumer, releasing the ref that the GLConsumer has
     // on buffers[2].
     mST->abandon();

     // Destroy the GL texture object to release its ref on buffers[2].
     GLuint texID = TEX_ID;
     glDeleteTextures(1, &texID);

     // Destroy the EGLSurface.
     EXPECT_TRUE(eglDestroySurface(mEglDisplay, mProducerEglSurface));
     ASSERT_EQ(EGL_SUCCESS, eglGetError());
     mProducerEglSurface = EGL_NO_SURFACE;

     EXPECT_EQ(1, buffers[0]->getStrongCount());
     EXPECT_EQ(1, buffers[1]->getStrongCount());

     // Depending on how lazily the GL driver dequeues buffers, we may end up
     // with either two or three total buffers.  If there are three, make sure
     // the last one was properly down-ref'd.
     if (buffers[2] != buffers[0]) {
         EXPECT_EQ(1, buffers[2]->getStrongCount());
     }
 }

 TEST_F(SurfaceTextureGLToGLTest, EglMakeCurrentBeforeConsumerDeathUnrefsBuffers) {
     sp<GraphicBuffer> buffer;

     EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
             mProducerEglSurface, mProducerEglContext));

     // Produce a frame
     glClear(GL_COLOR_BUFFER_BIT);
     EXPECT_TRUE(eglSwapBuffers(mEglDisplay, mProducerEglSurface));
     ASSERT_EQ(EGL_SUCCESS, eglGetError());

     // Destroy the EGLSurface.
     EXPECT_TRUE(eglDestroySurface(mEglDisplay, mProducerEglSurface));
     ASSERT_EQ(EGL_SUCCESS, eglGetError());
     mProducerEglSurface = EGL_NO_SURFACE;
     mSTC.clear();
     mANW.clear();
     mTextureRenderer.clear();

     // Consume a frame
     ASSERT_EQ(NO_ERROR, mST->updateTexImage());
     buffer = mST->getCurrentBuffer();

     // Destroy the GL texture object to release its ref
     GLuint texID = TEX_ID;
     glDeleteTextures(1, &texID);

     // make un-current, all references to buffer should be gone
     EXPECT_TRUE(eglMakeCurrent(mEglDisplay, EGL_NO_SURFACE,
             EGL_NO_SURFACE, EGL_NO_CONTEXT));

     // Destroy consumer
     mST.clear();

     EXPECT_EQ(1, buffer->getStrongCount());
 }

 TEST_F(SurfaceTextureGLToGLTest, EglMakeCurrentAfterConsumerDeathUnrefsBuffers) {
     sp<GraphicBuffer> buffer;

     EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
             mProducerEglSurface, mProducerEglContext));

     // Produce a frame
     glClear(GL_COLOR_BUFFER_BIT);
     EXPECT_TRUE(eglSwapBuffers(mEglDisplay, mProducerEglSurface));
     ASSERT_EQ(EGL_SUCCESS, eglGetError());

     // Destroy the EGLSurface.
     EXPECT_TRUE(eglDestroySurface(mEglDisplay, mProducerEglSurface));
     ASSERT_EQ(EGL_SUCCESS, eglGetError());
     mProducerEglSurface = EGL_NO_SURFACE;
     mSTC.clear();
     mANW.clear();
     mTextureRenderer.clear();

     // Consume a frame
     ASSERT_EQ(NO_ERROR, mST->updateTexImage());
     buffer = mST->getCurrentBuffer();

     // Destroy the GL texture object to release its ref
     GLuint texID = TEX_ID;
     glDeleteTextures(1, &texID);

     // Destroy consumer
     mST.clear();

     // make un-current, all references to buffer should be gone
     EXPECT_TRUE(eglMakeCurrent(mEglDisplay, EGL_NO_SURFACE,
             EGL_NO_SURFACE, EGL_NO_CONTEXT));

     EXPECT_EQ(1, buffer->getStrongCount());
 }

 TEST_F(SurfaceTextureGLToGLTest, TexturingFromUserSizedGLFilledBuffer) {
     enum { texWidth = 64 };
     enum { texHeight = 64 };

     // This test requires 3 buffers to complete run on a single thread.
     mST->setDefaultMaxBufferCount(3);

     // Set the user buffer size.
     native_window_set_buffers_user_dimensions(mANW.get(), texWidth, texHeight);

     // Do the producer side of things
     EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
             mProducerEglSurface, mProducerEglContext));
     ASSERT_EQ(EGL_SUCCESS, eglGetError());

     // This is needed to ensure we pick up a buffer of the correct size.
     eglSwapBuffers(mEglDisplay, mProducerEglSurface);

     glClearColor(0.6, 0.6, 0.6, 0.6);
     glClear(GL_COLOR_BUFFER_BIT);

     glEnable(GL_SCISSOR_TEST);
     glScissor(4, 4, 1, 1);
     glClearColor(1.0, 0.0, 0.0, 1.0);
     glClear(GL_COLOR_BUFFER_BIT);

     eglSwapBuffers(mEglDisplay, mProducerEglSurface);

     // Do the consumer side of things
     EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
             mEglContext));
     ASSERT_EQ(EGL_SUCCESS, eglGetError());

     glDisable(GL_SCISSOR_TEST);

     // Skip the first frame, which was empty
     ASSERT_EQ(NO_ERROR, mST->updateTexImage());
     ASSERT_EQ(NO_ERROR, mST->updateTexImage());

     glClearColor(0.2, 0.2, 0.2, 0.2);
     glClear(GL_COLOR_BUFFER_BIT);

     glViewport(0, 0, texWidth, texHeight);
     drawTexture();

     EXPECT_TRUE(checkPixel( 0,  0, 153, 153, 153, 153));
     EXPECT_TRUE(checkPixel(63,  0, 153, 153, 153, 153));
     EXPECT_TRUE(checkPixel(63, 63, 153, 153, 153, 153));
     EXPECT_TRUE(checkPixel( 0, 63, 153, 153, 153, 153));

     EXPECT_TRUE(checkPixel( 4,  4, 255,   0,   0, 255));
     EXPECT_TRUE(checkPixel( 5,  5, 153, 153, 153, 153));
     EXPECT_TRUE(checkPixel( 3,  3, 153, 153, 153, 153));
     EXPECT_TRUE(checkPixel(45, 52, 153, 153, 153, 153));
     EXPECT_TRUE(checkPixel(12, 36, 153, 153, 153, 153));
 }

 TEST_F(SurfaceTextureGLToGLTest, TexturingFromPreRotatedUserSizedGLFilledBuffer) {
     enum { texWidth = 64 };
     enum { texHeight = 16 };

     // This test requires 3 buffers to complete run on a single thread.
     mST->setDefaultMaxBufferCount(3);

     // Set the transform hint.
     mST->setTransformHint(NATIVE_WINDOW_TRANSFORM_ROT_90);

     // Set the user buffer size.
     native_window_set_buffers_user_dimensions(mANW.get(), texWidth, texHeight);

     // Do the producer side of things
     EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
             mProducerEglSurface, mProducerEglContext));
     ASSERT_EQ(EGL_SUCCESS, eglGetError());

     // This is needed to ensure we pick up a buffer of the correct size and the
     // new rotation hint.
     eglSwapBuffers(mEglDisplay, mProducerEglSurface);

     glClearColor(0.6, 0.6, 0.6, 0.6);
     glClear(GL_COLOR_BUFFER_BIT);

     glEnable(GL_SCISSOR_TEST);
     glScissor(24, 4, 1, 1);
     glClearColor(1.0, 0.0, 0.0, 1.0);
     glClear(GL_COLOR_BUFFER_BIT);

     eglSwapBuffers(mEglDisplay, mProducerEglSurface);

     // Do the consumer side of things
     EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
             mEglContext));
     ASSERT_EQ(EGL_SUCCESS, eglGetError());

     glDisable(GL_SCISSOR_TEST);

     // Skip the first frame, which was empty
     ASSERT_EQ(NO_ERROR, mST->updateTexImage());
     ASSERT_EQ(NO_ERROR, mST->updateTexImage());

     glClearColor(0.2, 0.2, 0.2, 0.2);
     glClear(GL_COLOR_BUFFER_BIT);

     glViewport(0, 0, texWidth, texHeight);
     drawTexture();

     EXPECT_TRUE(checkPixel( 0,  0, 153, 153, 153, 153));
     EXPECT_TRUE(checkPixel(63,  0, 153, 153, 153, 153));
     EXPECT_TRUE(checkPixel(63, 15, 153, 153, 153, 153));
     EXPECT_TRUE(checkPixel( 0, 15, 153, 153, 153, 153));

     EXPECT_TRUE(checkPixel(24,  4, 255,   0,   0, 255));
     EXPECT_TRUE(checkPixel(25,  5, 153, 153, 153, 153));
     EXPECT_TRUE(checkPixel(23,  3, 153, 153, 153, 153));
     EXPECT_TRUE(checkPixel(45, 13, 153, 153, 153, 153));
     EXPECT_TRUE(checkPixel(12,  8, 153, 153, 153, 153));
 }

 TEST_F(SurfaceTextureGLToGLTest, TexturingFromPreRotatedGLFilledBuffer) {
     enum { texWidth = 64 };
     enum { texHeight = 16 };

     // This test requires 3 buffers to complete run on a single thread.
     mST->setDefaultMaxBufferCount(3);

     // Set the transform hint.
     mST->setTransformHint(NATIVE_WINDOW_TRANSFORM_ROT_90);

     // Set the default buffer size.
     mST->setDefaultBufferSize(texWidth, texHeight);

     // Do the producer side of things
     EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
             mProducerEglSurface, mProducerEglContext));
     ASSERT_EQ(EGL_SUCCESS, eglGetError());

     // This is needed to ensure we pick up a buffer of the correct size and the
     // new rotation hint.
     eglSwapBuffers(mEglDisplay, mProducerEglSurface);

     glClearColor(0.6, 0.6, 0.6, 0.6);
     glClear(GL_COLOR_BUFFER_BIT);

     glEnable(GL_SCISSOR_TEST);
     glScissor(24, 4, 1, 1);
     glClearColor(1.0, 0.0, 0.0, 1.0);
     glClear(GL_COLOR_BUFFER_BIT);

     eglSwapBuffers(mEglDisplay, mProducerEglSurface);

     // Do the consumer side of things
     EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
             mEglContext));
     ASSERT_EQ(EGL_SUCCESS, eglGetError());

     glDisable(GL_SCISSOR_TEST);

     // Skip the first frame, which was empty
     ASSERT_EQ(NO_ERROR, mST->updateTexImage());
     ASSERT_EQ(NO_ERROR, mST->updateTexImage());

     glClearColor(0.2, 0.2, 0.2, 0.2);
     glClear(GL_COLOR_BUFFER_BIT);

     glViewport(0, 0, texWidth, texHeight);
     drawTexture();

     EXPECT_TRUE(checkPixel( 0,  0, 153, 153, 153, 153));
     EXPECT_TRUE(checkPixel(63,  0, 153, 153, 153, 153));
     EXPECT_TRUE(checkPixel(63, 15, 153, 153, 153, 153));
     EXPECT_TRUE(checkPixel( 0, 15, 153, 153, 153, 153));

     EXPECT_TRUE(checkPixel(24,  4, 255,   0,   0, 255));
     EXPECT_TRUE(checkPixel(25,  5, 153, 153, 153, 153));
     EXPECT_TRUE(checkPixel(23,  3, 153, 153, 153, 153));
     EXPECT_TRUE(checkPixel(45, 13, 153, 153, 153, 153));
     EXPECT_TRUE(checkPixel(12,  8, 153, 153, 153, 153));
 }

 } // namespace android
	/*
	* 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 "SurfaceTextureGLToGL_test"
	//#define LOG_NDEBUG 0

	#include "SurfaceTextureGLToGL.h"

	namespace android {

	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;

	mST->setDefaultBufferSize(texWidth, texHeight);

	// This test requires 3 buffers to complete run on a single thread.
	mST->setDefaultMaxBufferCount(3);

	// Do the producer side of things
	EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
	mProducerEglSurface, mProducerEglContext));
	ASSERT_EQ(EGL_SUCCESS, eglGetError());

	// This is needed to ensure we pick up a buffer of the correct size.
	eglSwapBuffers(mEglDisplay, mProducerEglSurface);

	glClearColor(0.6, 0.6, 0.6, 0.6);
	glClear(GL_COLOR_BUFFER_BIT);

	glEnable(GL_SCISSOR_TEST);
	glScissor(4, 4, 4, 4);
	glClearColor(1.0, 0.0, 0.0, 1.0);
	glClear(GL_COLOR_BUFFER_BIT);

	glScissor(24, 48, 4, 4);
	glClearColor(0.0, 1.0, 0.0, 1.0);
	glClear(GL_COLOR_BUFFER_BIT);

	glScissor(37, 17, 4, 4);
	glClearColor(0.0, 0.0, 1.0, 1.0);
	glClear(GL_COLOR_BUFFER_BIT);

	eglSwapBuffers(mEglDisplay, mProducerEglSurface);

	// Do the consumer side of things
	EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
	mEglContext));
	ASSERT_EQ(EGL_SUCCESS, eglGetError());

	glDisable(GL_SCISSOR_TEST);

	// Skip the first frame, which was empty
	ASSERT_EQ(NO_ERROR, mST->updateTexImage());
	ASSERT_EQ(NO_ERROR, mST->updateTexImage());

	glClearColor(0.2, 0.2, 0.2, 0.2);
	glClear(GL_COLOR_BUFFER_BIT);

	glViewport(0, 0, texWidth, texHeight);
	drawTexture();

	EXPECT_TRUE(checkPixel( 0, 0, 153, 153, 153, 153));
	EXPECT_TRUE(checkPixel(63, 0, 153, 153, 153, 153));
	EXPECT_TRUE(checkPixel(63, 63, 153, 153, 153, 153));
	EXPECT_TRUE(checkPixel( 0, 63, 153, 153, 153, 153));

	EXPECT_TRUE(checkPixel( 4, 7, 255, 0, 0, 255));
	EXPECT_TRUE(checkPixel(25, 51, 0, 255, 0, 255));
	EXPECT_TRUE(checkPixel(40, 19, 0, 0, 255, 255));
	EXPECT_TRUE(checkPixel(29, 51, 153, 153, 153, 153));
	EXPECT_TRUE(checkPixel( 5, 32, 153, 153, 153, 153));
	EXPECT_TRUE(checkPixel(13, 8, 153, 153, 153, 153));
	EXPECT_TRUE(checkPixel(46, 3, 153, 153, 153, 153));
	EXPECT_TRUE(checkPixel(30, 33, 153, 153, 153, 153));
	EXPECT_TRUE(checkPixel( 6, 52, 153, 153, 153, 153));
	EXPECT_TRUE(checkPixel(55, 33, 153, 153, 153, 153));
	EXPECT_TRUE(checkPixel(16, 29, 153, 153, 153, 153));
	EXPECT_TRUE(checkPixel( 1, 30, 153, 153, 153, 153));
	EXPECT_TRUE(checkPixel(41, 37, 153, 153, 153, 153));
	EXPECT_TRUE(checkPixel(46, 29, 153, 153, 153, 153));
	EXPECT_TRUE(checkPixel(15, 25, 153, 153, 153, 153));
	EXPECT_TRUE(checkPixel( 3, 52, 153, 153, 153, 153));
	}

	TEST_F(SurfaceTextureGLToGLTest, EglDestroySurfaceUnrefsBuffers) {
	sp<GraphicBuffer> buffers[2];

	// This test requires async mode to run on a single thread.
	EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
	mProducerEglSurface, mProducerEglContext));
	ASSERT_EQ(EGL_SUCCESS, eglGetError());
	EXPECT_TRUE(eglSwapInterval(mEglDisplay, 0));
	ASSERT_EQ(EGL_SUCCESS, eglGetError());

	for (int i = 0; i < 2; i++) {
	// Produce a frame
	EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
	mProducerEglSurface, mProducerEglContext));
	ASSERT_EQ(EGL_SUCCESS, eglGetError());
	glClear(GL_COLOR_BUFFER_BIT);
	eglSwapBuffers(mEglDisplay, mProducerEglSurface);

	// Consume a frame
	EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
	mEglContext));
	ASSERT_EQ(EGL_SUCCESS, eglGetError());
	mFW->waitForFrame();
	ASSERT_EQ(NO_ERROR, mST->updateTexImage());
	buffers[i] = mST->getCurrentBuffer();
	}

	// Destroy the GL texture object to release its ref on buffers[2].
	GLuint texID = TEX_ID;
	glDeleteTextures(1, &texID);

	// Destroy the EGLSurface
	EXPECT_TRUE(eglDestroySurface(mEglDisplay, mProducerEglSurface));
	ASSERT_EQ(EGL_SUCCESS, eglGetError());
	mProducerEglSurface = EGL_NO_SURFACE;

	// This test should have the only reference to buffer 0.
	EXPECT_EQ(1, buffers[0]->getStrongCount());

	// The GLConsumer should hold a single reference to buffer 1 in its
	// mCurrentBuffer member. All of the references in the slots should have
	// been released.
	EXPECT_EQ(2, buffers[1]->getStrongCount());
	}

	TEST_F(SurfaceTextureGLToGLTest, EglDestroySurfaceAfterAbandonUnrefsBuffers) {
	sp<GraphicBuffer> buffers[3];

	// This test requires async mode to run on a single thread.
	EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
	mProducerEglSurface, mProducerEglContext));
	ASSERT_EQ(EGL_SUCCESS, eglGetError());
	EXPECT_TRUE(eglSwapInterval(mEglDisplay, 0));
	ASSERT_EQ(EGL_SUCCESS, eglGetError());

	for (int i = 0; i < 3; i++) {
	// Produce a frame
	EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
	mProducerEglSurface, mProducerEglContext));
	ASSERT_EQ(EGL_SUCCESS, eglGetError());
	glClear(GL_COLOR_BUFFER_BIT);
	EXPECT_TRUE(eglSwapBuffers(mEglDisplay, mProducerEglSurface));
	ASSERT_EQ(EGL_SUCCESS, eglGetError());

	// Consume a frame
	EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
	mEglContext));
	ASSERT_EQ(EGL_SUCCESS, eglGetError());
	mFW->waitForFrame();
	ASSERT_EQ(NO_ERROR, mST->updateTexImage());
	buffers[i] = mST->getCurrentBuffer();
	}

	// Abandon the GLConsumer, releasing the ref that the GLConsumer has
	// on buffers[2].
	mST->abandon();

	// Destroy the GL texture object to release its ref on buffers[2].
	GLuint texID = TEX_ID;
	glDeleteTextures(1, &texID);

	// Destroy the EGLSurface.
	EXPECT_TRUE(eglDestroySurface(mEglDisplay, mProducerEglSurface));
	ASSERT_EQ(EGL_SUCCESS, eglGetError());
	mProducerEglSurface = EGL_NO_SURFACE;

	EXPECT_EQ(1, buffers[0]->getStrongCount());
	EXPECT_EQ(1, buffers[1]->getStrongCount());

	// Depending on how lazily the GL driver dequeues buffers, we may end up
	// with either two or three total buffers. If there are three, make sure
	// the last one was properly down-ref'd.
	if (buffers[2] != buffers[0]) {
	EXPECT_EQ(1, buffers[2]->getStrongCount());
	}
	}

	TEST_F(SurfaceTextureGLToGLTest, EglMakeCurrentBeforeConsumerDeathUnrefsBuffers) {
	sp<GraphicBuffer> buffer;

	EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
	mProducerEglSurface, mProducerEglContext));

	// Produce a frame
	glClear(GL_COLOR_BUFFER_BIT);
	EXPECT_TRUE(eglSwapBuffers(mEglDisplay, mProducerEglSurface));
	ASSERT_EQ(EGL_SUCCESS, eglGetError());

	// Destroy the EGLSurface.
	EXPECT_TRUE(eglDestroySurface(mEglDisplay, mProducerEglSurface));
	ASSERT_EQ(EGL_SUCCESS, eglGetError());
	mProducerEglSurface = EGL_NO_SURFACE;
	mSTC.clear();
	mANW.clear();
	mTextureRenderer.clear();

	// Consume a frame
	ASSERT_EQ(NO_ERROR, mST->updateTexImage());
	buffer = mST->getCurrentBuffer();

	// Destroy the GL texture object to release its ref
	GLuint texID = TEX_ID;
	glDeleteTextures(1, &texID);

	// make un-current, all references to buffer should be gone
	EXPECT_TRUE(eglMakeCurrent(mEglDisplay, EGL_NO_SURFACE,
	EGL_NO_SURFACE, EGL_NO_CONTEXT));

	// Destroy consumer
	mST.clear();

	EXPECT_EQ(1, buffer->getStrongCount());
	}

	TEST_F(SurfaceTextureGLToGLTest, EglMakeCurrentAfterConsumerDeathUnrefsBuffers) {
	sp<GraphicBuffer> buffer;

	EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
	mProducerEglSurface, mProducerEglContext));

	// Produce a frame
	glClear(GL_COLOR_BUFFER_BIT);
	EXPECT_TRUE(eglSwapBuffers(mEglDisplay, mProducerEglSurface));
	ASSERT_EQ(EGL_SUCCESS, eglGetError());

	// Destroy the EGLSurface.
	EXPECT_TRUE(eglDestroySurface(mEglDisplay, mProducerEglSurface));
	ASSERT_EQ(EGL_SUCCESS, eglGetError());
	mProducerEglSurface = EGL_NO_SURFACE;
	mSTC.clear();
	mANW.clear();
	mTextureRenderer.clear();

	// Consume a frame
	ASSERT_EQ(NO_ERROR, mST->updateTexImage());
	buffer = mST->getCurrentBuffer();

	// Destroy the GL texture object to release its ref
	GLuint texID = TEX_ID;
	glDeleteTextures(1, &texID);

	// Destroy consumer
	mST.clear();

	// make un-current, all references to buffer should be gone
	EXPECT_TRUE(eglMakeCurrent(mEglDisplay, EGL_NO_SURFACE,
	EGL_NO_SURFACE, EGL_NO_CONTEXT));

	EXPECT_EQ(1, buffer->getStrongCount());
	}

	TEST_F(SurfaceTextureGLToGLTest, TexturingFromUserSizedGLFilledBuffer) {
	enum { texWidth = 64 };
	enum { texHeight = 64 };

	// This test requires 3 buffers to complete run on a single thread.
	mST->setDefaultMaxBufferCount(3);

	// Set the user buffer size.
	native_window_set_buffers_user_dimensions(mANW.get(), texWidth, texHeight);

	// Do the producer side of things
	EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
	mProducerEglSurface, mProducerEglContext));
	ASSERT_EQ(EGL_SUCCESS, eglGetError());

	// This is needed to ensure we pick up a buffer of the correct size.
	eglSwapBuffers(mEglDisplay, mProducerEglSurface);

	glClearColor(0.6, 0.6, 0.6, 0.6);
	glClear(GL_COLOR_BUFFER_BIT);

	glEnable(GL_SCISSOR_TEST);
	glScissor(4, 4, 1, 1);
	glClearColor(1.0, 0.0, 0.0, 1.0);
	glClear(GL_COLOR_BUFFER_BIT);

	eglSwapBuffers(mEglDisplay, mProducerEglSurface);

	// Do the consumer side of things
	EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
	mEglContext));
	ASSERT_EQ(EGL_SUCCESS, eglGetError());

	glDisable(GL_SCISSOR_TEST);

	// Skip the first frame, which was empty
	ASSERT_EQ(NO_ERROR, mST->updateTexImage());
	ASSERT_EQ(NO_ERROR, mST->updateTexImage());

	glClearColor(0.2, 0.2, 0.2, 0.2);
	glClear(GL_COLOR_BUFFER_BIT);

	glViewport(0, 0, texWidth, texHeight);
	drawTexture();

	EXPECT_TRUE(checkPixel( 0, 0, 153, 153, 153, 153));
	EXPECT_TRUE(checkPixel(63, 0, 153, 153, 153, 153));
	EXPECT_TRUE(checkPixel(63, 63, 153, 153, 153, 153));
	EXPECT_TRUE(checkPixel( 0, 63, 153, 153, 153, 153));

	EXPECT_TRUE(checkPixel( 4, 4, 255, 0, 0, 255));
	EXPECT_TRUE(checkPixel( 5, 5, 153, 153, 153, 153));
	EXPECT_TRUE(checkPixel( 3, 3, 153, 153, 153, 153));
	EXPECT_TRUE(checkPixel(45, 52, 153, 153, 153, 153));
	EXPECT_TRUE(checkPixel(12, 36, 153, 153, 153, 153));
	}

	TEST_F(SurfaceTextureGLToGLTest, TexturingFromPreRotatedUserSizedGLFilledBuffer) {
	enum { texWidth = 64 };
	enum { texHeight = 16 };

	// This test requires 3 buffers to complete run on a single thread.
	mST->setDefaultMaxBufferCount(3);

	// Set the transform hint.
	mST->setTransformHint(NATIVE_WINDOW_TRANSFORM_ROT_90);

	// Set the user buffer size.
	native_window_set_buffers_user_dimensions(mANW.get(), texWidth, texHeight);

	// Do the producer side of things
	EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
	mProducerEglSurface, mProducerEglContext));
	ASSERT_EQ(EGL_SUCCESS, eglGetError());

	// This is needed to ensure we pick up a buffer of the correct size and the
	// new rotation hint.
	eglSwapBuffers(mEglDisplay, mProducerEglSurface);

	glClearColor(0.6, 0.6, 0.6, 0.6);
	glClear(GL_COLOR_BUFFER_BIT);

	glEnable(GL_SCISSOR_TEST);
	glScissor(24, 4, 1, 1);
	glClearColor(1.0, 0.0, 0.0, 1.0);
	glClear(GL_COLOR_BUFFER_BIT);

	eglSwapBuffers(mEglDisplay, mProducerEglSurface);

	// Do the consumer side of things
	EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
	mEglContext));
	ASSERT_EQ(EGL_SUCCESS, eglGetError());

	glDisable(GL_SCISSOR_TEST);

	// Skip the first frame, which was empty
	ASSERT_EQ(NO_ERROR, mST->updateTexImage());
	ASSERT_EQ(NO_ERROR, mST->updateTexImage());

	glClearColor(0.2, 0.2, 0.2, 0.2);
	glClear(GL_COLOR_BUFFER_BIT);

	glViewport(0, 0, texWidth, texHeight);
	drawTexture();

	EXPECT_TRUE(checkPixel( 0, 0, 153, 153, 153, 153));
	EXPECT_TRUE(checkPixel(63, 0, 153, 153, 153, 153));
	EXPECT_TRUE(checkPixel(63, 15, 153, 153, 153, 153));
	EXPECT_TRUE(checkPixel( 0, 15, 153, 153, 153, 153));

	EXPECT_TRUE(checkPixel(24, 4, 255, 0, 0, 255));
	EXPECT_TRUE(checkPixel(25, 5, 153, 153, 153, 153));
	EXPECT_TRUE(checkPixel(23, 3, 153, 153, 153, 153));
	EXPECT_TRUE(checkPixel(45, 13, 153, 153, 153, 153));
	EXPECT_TRUE(checkPixel(12, 8, 153, 153, 153, 153));
	}

	TEST_F(SurfaceTextureGLToGLTest, TexturingFromPreRotatedGLFilledBuffer) {
	enum { texWidth = 64 };
	enum { texHeight = 16 };

	// This test requires 3 buffers to complete run on a single thread.
	mST->setDefaultMaxBufferCount(3);

	// Set the transform hint.
	mST->setTransformHint(NATIVE_WINDOW_TRANSFORM_ROT_90);

	// Set the default buffer size.
	mST->setDefaultBufferSize(texWidth, texHeight);

	// Do the producer side of things
	EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
	mProducerEglSurface, mProducerEglContext));
	ASSERT_EQ(EGL_SUCCESS, eglGetError());

	// This is needed to ensure we pick up a buffer of the correct size and the
	// new rotation hint.
	eglSwapBuffers(mEglDisplay, mProducerEglSurface);

	glClearColor(0.6, 0.6, 0.6, 0.6);
	glClear(GL_COLOR_BUFFER_BIT);

	glEnable(GL_SCISSOR_TEST);
	glScissor(24, 4, 1, 1);
	glClearColor(1.0, 0.0, 0.0, 1.0);
	glClear(GL_COLOR_BUFFER_BIT);

	eglSwapBuffers(mEglDisplay, mProducerEglSurface);

	// Do the consumer side of things
	EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
	mEglContext));
	ASSERT_EQ(EGL_SUCCESS, eglGetError());

	glDisable(GL_SCISSOR_TEST);

	// Skip the first frame, which was empty
	ASSERT_EQ(NO_ERROR, mST->updateTexImage());
	ASSERT_EQ(NO_ERROR, mST->updateTexImage());

	glClearColor(0.2, 0.2, 0.2, 0.2);
	glClear(GL_COLOR_BUFFER_BIT);

	glViewport(0, 0, texWidth, texHeight);
	drawTexture();

	EXPECT_TRUE(checkPixel( 0, 0, 153, 153, 153, 153));
	EXPECT_TRUE(checkPixel(63, 0, 153, 153, 153, 153));
	EXPECT_TRUE(checkPixel(63, 15, 153, 153, 153, 153));
	EXPECT_TRUE(checkPixel( 0, 15, 153, 153, 153, 153));

	EXPECT_TRUE(checkPixel(24, 4, 255, 0, 0, 255));
	EXPECT_TRUE(checkPixel(25, 5, 153, 153, 153, 153));
	EXPECT_TRUE(checkPixel(23, 3, 153, 153, 153, 153));
	EXPECT_TRUE(checkPixel(45, 13, 153, 153, 153, 153));
	EXPECT_TRUE(checkPixel(12, 8, 153, 153, 153, 153));
	}

	} // namespace android