split libandroid.so

- ANativeWindow (native_window.h) and
  AHardwareBuffer (hardware_buffer.h) now live
  in libnativewindow.so, which is a vodka library.

- libandroid.so still provide those symbols
  via a static library version (libnativewindow.a)

- removed libbinder dependency as well

Test: compiled & booted
Bug: 35164655
Change-Id: Ib4bc8e8fc9ec1891bcbee63c28fd0131d82edf29
diff --git a/libs/gui/Android.bp b/libs/gui/Android.bp
index ddf1072..8f9c38a 100644
--- a/libs/gui/Android.bp
+++ b/libs/gui/Android.bp
@@ -107,6 +107,7 @@
         "libGLESv2",
         "libui",
         "libutils",
+        "libnativewindow",
         "liblog",
     ],
 
diff --git a/libs/gui/tests/Android.bp b/libs/gui/tests/Android.bp
index 092d597..5944110 100644
--- a/libs/gui/tests/Android.bp
+++ b/libs/gui/tests/Android.bp
@@ -15,7 +15,6 @@
         "IGraphicBufferProducer_test.cpp",
         "MultiTextureConsumer_test.cpp",
         "Sensor_test.cpp",
-        "SRGB_test.cpp",
         "StreamSplitter_test.cpp",
         "SurfaceTextureClient_test.cpp",
         "SurfaceTextureFBO_test.cpp",
@@ -37,5 +36,6 @@
         "libgui",
         "libui",
         "libutils",
+        "libnativewindow"
     ],
 }
diff --git a/libs/gui/tests/SRGB_test.cpp b/libs/gui/tests/SRGB_test.cpp
deleted file mode 100644
index c2640cd..0000000
--- a/libs/gui/tests/SRGB_test.cpp
+++ /dev/null
@@ -1,486 +0,0 @@
-/*
- * 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 "SRGB_test"
-//#define LOG_NDEBUG 0
-
-// Ignore for this file because it flags every instance of
-// ASSERT_EQ(GL_NO_ERROR, glGetError());
-#pragma clang diagnostic ignored "-Wsign-compare"
-
-#include "GLTest.h"
-
-#include <math.h>
-
-#include <gui/CpuConsumer.h>
-#include <gui/Surface.h>
-#include <gui/SurfaceComposerClient.h>
-
-#include <EGL/egl.h>
-#include <EGL/eglext.h>
-#include <GLES3/gl3.h>
-
-#include <android/native_window.h>
-
-#include <gtest/gtest.h>
-
-namespace android {
-
-class SRGBTest : public ::testing::Test {
-protected:
-    // Class constants
-    enum {
-        DISPLAY_WIDTH = 512,
-        DISPLAY_HEIGHT = 512,
-        PIXEL_SIZE = 4, // bytes or components
-        DISPLAY_SIZE = DISPLAY_WIDTH * DISPLAY_HEIGHT * PIXEL_SIZE,
-        ALPHA_VALUE = 223, // should be in [0, 255]
-        TOLERANCE = 1,
-    };
-    static const char SHOW_DEBUG_STRING[];
-
-    SRGBTest() :
-            mInputSurface(), mCpuConsumer(), mLockedBuffer(),
-            mEglDisplay(EGL_NO_DISPLAY), mEglConfig(),
-            mEglContext(EGL_NO_CONTEXT), mEglSurface(EGL_NO_SURFACE),
-            mComposerClient(), mSurfaceControl(), mOutputSurface() {
-    }
-
-    virtual ~SRGBTest() {
-        if (mEglDisplay != EGL_NO_DISPLAY) {
-            if (mEglSurface != EGL_NO_SURFACE) {
-                eglDestroySurface(mEglDisplay, mEglSurface);
-            }
-            if (mEglContext != EGL_NO_CONTEXT) {
-                eglDestroyContext(mEglDisplay, mEglContext);
-            }
-            eglMakeCurrent(mEglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE,
-                    EGL_NO_CONTEXT);
-            eglTerminate(mEglDisplay);
-        }
-    }
-
-    virtual void SetUp() {
-        sp<IGraphicBufferProducer> producer;
-        sp<IGraphicBufferConsumer> consumer;
-        BufferQueue::createBufferQueue(&producer, &consumer);
-        ASSERT_EQ(NO_ERROR, consumer->setDefaultBufferSize(
-                DISPLAY_WIDTH, DISPLAY_HEIGHT));
-        mCpuConsumer = new CpuConsumer(consumer, 1);
-        String8 name("CpuConsumer_for_SRGBTest");
-        mCpuConsumer->setName(name);
-        mInputSurface = new Surface(producer);
-
-        ASSERT_NO_FATAL_FAILURE(createEGLSurface(mInputSurface.get()));
-        ASSERT_NO_FATAL_FAILURE(createDebugSurface());
-    }
-
-    virtual void TearDown() {
-        ASSERT_NO_FATAL_FAILURE(copyToDebugSurface());
-        ASSERT_TRUE(mLockedBuffer.data != NULL);
-        ASSERT_EQ(NO_ERROR, mCpuConsumer->unlockBuffer(mLockedBuffer));
-    }
-
-    static float linearToSRGB(float l) {
-        if (l <= 0.0031308f) {
-            return l * 12.92f;
-        } else {
-            return 1.055f * pow(l, (1 / 2.4f)) - 0.055f;
-        }
-    }
-
-    static float srgbToLinear(float s) {
-        if (s <= 0.04045) {
-            return s / 12.92f;
-        } else {
-            return pow(((s + 0.055f) / 1.055f), 2.4f);
-        }
-    }
-
-    static uint8_t srgbToLinear(uint8_t u) {
-        float f = u / 255.0f;
-        return static_cast<uint8_t>(srgbToLinear(f) * 255.0f + 0.5f);
-    }
-
-    void fillTexture(bool writeAsSRGB) {
-        uint8_t* textureData = new uint8_t[DISPLAY_SIZE];
-
-        for (int y = 0; y < DISPLAY_HEIGHT; ++y) {
-            for (int x = 0; x < DISPLAY_WIDTH; ++x) {
-                float realValue = static_cast<float>(x) / (DISPLAY_WIDTH - 1);
-                realValue *= ALPHA_VALUE / 255.0f; // Premultiply by alpha
-                if (writeAsSRGB) {
-                    realValue = linearToSRGB(realValue);
-                }
-
-                int offset = (y * DISPLAY_WIDTH + x) * PIXEL_SIZE;
-                for (int c = 0; c < 3; ++c) {
-                    uint8_t intValue = static_cast<uint8_t>(
-                            realValue * 255.0f + 0.5f);
-                    textureData[offset + c] = intValue;
-                }
-                textureData[offset + 3] = ALPHA_VALUE;
-            }
-        }
-
-        glTexImage2D(GL_TEXTURE_2D, 0, writeAsSRGB ? GL_SRGB8_ALPHA8 : GL_RGBA8,
-                DISPLAY_WIDTH, DISPLAY_HEIGHT, 0, GL_RGBA, GL_UNSIGNED_BYTE,
-                textureData);
-        ASSERT_EQ(GL_NO_ERROR, glGetError());
-
-        delete[] textureData;
-    }
-
-    void initShaders() {
-        static const char vertexSource[] =
-            "attribute vec4 vPosition;\n"
-            "varying vec2 texCoords;\n"
-            "void main() {\n"
-            "  texCoords = 0.5 * (vPosition.xy + vec2(1.0, 1.0));\n"
-            "  gl_Position = vPosition;\n"
-            "}\n";
-
-        static const char fragmentSource[] =
-            "precision mediump float;\n"
-            "uniform sampler2D texSampler;\n"
-            "varying vec2 texCoords;\n"
-            "void main() {\n"
-            "  gl_FragColor = texture2D(texSampler, texCoords);\n"
-            "}\n";
-
-        GLuint program;
-        {
-            SCOPED_TRACE("Creating shader program");
-            ASSERT_NO_FATAL_FAILURE(GLTest::createProgram(
-                    vertexSource, fragmentSource, &program));
-        }
-
-        GLint positionHandle = glGetAttribLocation(program, "vPosition");
-        ASSERT_EQ(GL_NO_ERROR, glGetError());
-        ASSERT_NE(-1, positionHandle);
-
-        GLint samplerHandle = glGetUniformLocation(program, "texSampler");
-        ASSERT_EQ(GL_NO_ERROR, glGetError());
-        ASSERT_NE(-1, samplerHandle);
-
-        static const GLfloat vertices[] = {
-            -1.0f, 1.0f,
-            -1.0f, -1.0f,
-            1.0f, -1.0f,
-            1.0f, 1.0f,
-        };
-
-        glVertexAttribPointer(positionHandle, 2, GL_FLOAT, GL_FALSE, 0, vertices);
-        ASSERT_EQ(GL_NO_ERROR, glGetError());
-        glEnableVertexAttribArray(positionHandle);
-        ASSERT_EQ(GL_NO_ERROR, glGetError());
-
-        glUseProgram(program);
-        ASSERT_EQ(GL_NO_ERROR, glGetError());
-        glUniform1i(samplerHandle, 0);
-        ASSERT_EQ(GL_NO_ERROR, glGetError());
-
-        GLuint textureHandle;
-        glGenTextures(1, &textureHandle);
-        ASSERT_EQ(GL_NO_ERROR, glGetError());
-        glBindTexture(GL_TEXTURE_2D, textureHandle);
-        ASSERT_EQ(GL_NO_ERROR, glGetError());
-
-        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-        ASSERT_EQ(GL_NO_ERROR, glGetError());
-        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-        ASSERT_EQ(GL_NO_ERROR, glGetError());
-        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
-        ASSERT_EQ(GL_NO_ERROR, glGetError());
-        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
-        ASSERT_EQ(GL_NO_ERROR, glGetError());
-    }
-
-    void drawTexture(bool asSRGB, GLint x, GLint y, GLsizei width,
-            GLsizei height) {
-        ASSERT_NO_FATAL_FAILURE(fillTexture(asSRGB));
-        glViewport(x, y, width, height);
-        ASSERT_EQ(GL_NO_ERROR, glGetError());
-        glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
-        ASSERT_EQ(GL_NO_ERROR, glGetError());
-    }
-
-    void checkLockedBuffer(PixelFormat format, android_dataspace dataSpace) {
-        ASSERT_EQ(mLockedBuffer.format, format);
-        ASSERT_EQ(mLockedBuffer.width, DISPLAY_WIDTH);
-        ASSERT_EQ(mLockedBuffer.height, DISPLAY_HEIGHT);
-        ASSERT_EQ(mLockedBuffer.dataSpace, dataSpace);
-    }
-
-    static bool withinTolerance(int a, int b) {
-        int diff = a - b;
-        return diff >= 0 ? diff <= TOLERANCE : -diff <= TOLERANCE;
-    }
-
-    // Primary producer and consumer
-    sp<Surface> mInputSurface;
-    sp<CpuConsumer> mCpuConsumer;
-    CpuConsumer::LockedBuffer mLockedBuffer;
-
-    EGLDisplay mEglDisplay;
-    EGLConfig mEglConfig;
-    EGLContext mEglContext;
-    EGLSurface mEglSurface;
-
-    // Auxiliary display output
-    sp<SurfaceComposerClient> mComposerClient;
-    sp<SurfaceControl> mSurfaceControl;
-    sp<Surface> mOutputSurface;
-
-private:
-    void createEGLSurface(Surface* inputSurface) {
-        mEglDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY);
-        ASSERT_EQ(EGL_SUCCESS, eglGetError());
-        ASSERT_NE(EGL_NO_DISPLAY, mEglDisplay);
-
-        EXPECT_TRUE(eglInitialize(mEglDisplay, NULL, NULL));
-        ASSERT_EQ(EGL_SUCCESS, eglGetError());
-
-        static const EGLint configAttribs[] = {
-            EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
-            EGL_RENDERABLE_TYPE, EGL_OPENGL_ES3_BIT_KHR,
-            EGL_RED_SIZE, 8,
-            EGL_GREEN_SIZE, 8,
-            EGL_BLUE_SIZE, 8,
-            EGL_ALPHA_SIZE, 8,
-            EGL_NONE };
-
-        EGLint numConfigs = 0;
-        EXPECT_TRUE(eglChooseConfig(mEglDisplay, configAttribs, &mEglConfig, 1,
-                &numConfigs));
-        ASSERT_EQ(EGL_SUCCESS, eglGetError());
-        ASSERT_GT(numConfigs, 0);
-
-        static const EGLint contextAttribs[] = {
-            EGL_CONTEXT_CLIENT_VERSION, 3,
-            EGL_NONE } ;
-
-        mEglContext = eglCreateContext(mEglDisplay, mEglConfig, EGL_NO_CONTEXT,
-                contextAttribs);
-        ASSERT_EQ(EGL_SUCCESS, eglGetError());
-        ASSERT_NE(EGL_NO_CONTEXT, mEglContext);
-
-        mEglSurface = eglCreateWindowSurface(mEglDisplay, mEglConfig,
-                inputSurface, NULL);
-        ASSERT_EQ(EGL_SUCCESS, eglGetError());
-        ASSERT_NE(EGL_NO_SURFACE, mEglSurface);
-
-        EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
-                mEglContext));
-        ASSERT_EQ(EGL_SUCCESS, eglGetError());
-    }
-
-    void createDebugSurface() {
-        if (getenv(SHOW_DEBUG_STRING) == NULL) return;
-
-        mComposerClient = new SurfaceComposerClient;
-        ASSERT_EQ(NO_ERROR, mComposerClient->initCheck());
-
-        mSurfaceControl = mComposerClient->createSurface(
-                String8("SRGBTest Surface"), DISPLAY_WIDTH, DISPLAY_HEIGHT,
-                PIXEL_FORMAT_RGBA_8888);
-
-        ASSERT_TRUE(mSurfaceControl != NULL);
-        ASSERT_TRUE(mSurfaceControl->isValid());
-
-        SurfaceComposerClient::openGlobalTransaction();
-        ASSERT_EQ(NO_ERROR, mSurfaceControl->setLayer(0x7FFFFFFF));
-        ASSERT_EQ(NO_ERROR, mSurfaceControl->show());
-        SurfaceComposerClient::closeGlobalTransaction();
-
-        ANativeWindow_Buffer outBuffer;
-        ARect inOutDirtyBounds;
-        mOutputSurface = mSurfaceControl->getSurface();
-        mOutputSurface->lock(&outBuffer, &inOutDirtyBounds);
-        uint8_t* bytePointer = reinterpret_cast<uint8_t*>(outBuffer.bits);
-        for (int y = 0; y < outBuffer.height; ++y) {
-            int rowOffset = y * outBuffer.stride; // pixels
-            for (int x = 0; x < outBuffer.width; ++x) {
-                int colOffset = (rowOffset + x) * PIXEL_SIZE; // bytes
-                for (int c = 0; c < PIXEL_SIZE; ++c) {
-                    int offset = colOffset + c;
-                    bytePointer[offset] = ((c + 1) * 56) - 1;
-                }
-            }
-        }
-        mOutputSurface->unlockAndPost();
-    }
-
-    void copyToDebugSurface() {
-        if (!mOutputSurface.get()) return;
-
-        size_t bufferSize = mLockedBuffer.height * mLockedBuffer.stride *
-                PIXEL_SIZE;
-
-        ANativeWindow_Buffer outBuffer;
-        ARect outBufferBounds;
-        mOutputSurface->lock(&outBuffer, &outBufferBounds);
-        ASSERT_EQ(mLockedBuffer.width, static_cast<uint32_t>(outBuffer.width));
-        ASSERT_EQ(mLockedBuffer.height, static_cast<uint32_t>(outBuffer.height));
-        ASSERT_EQ(mLockedBuffer.stride, static_cast<uint32_t>(outBuffer.stride));
-
-        if (mLockedBuffer.format == outBuffer.format) {
-            memcpy(outBuffer.bits, mLockedBuffer.data, bufferSize);
-        } else {
-            ASSERT_EQ(mLockedBuffer.format, PIXEL_FORMAT_RGBA_8888);
-            ASSERT_EQ(mLockedBuffer.dataSpace, HAL_DATASPACE_SRGB);
-            ASSERT_EQ(outBuffer.format, PIXEL_FORMAT_RGBA_8888);
-            uint8_t* outPointer = reinterpret_cast<uint8_t*>(outBuffer.bits);
-            for (int y = 0; y < outBuffer.height; ++y) {
-                int rowOffset = y * outBuffer.stride; // pixels
-                for (int x = 0; x < outBuffer.width; ++x) {
-                    int colOffset = (rowOffset + x) * PIXEL_SIZE; // bytes
-
-                    // RGB are converted
-                    for (int c = 0; c < (PIXEL_SIZE - 1); ++c) {
-                        outPointer[colOffset + c] = srgbToLinear(
-                                mLockedBuffer.data[colOffset + c]);
-                    }
-
-                    // Alpha isn't converted
-                    outPointer[colOffset + 3] =
-                            mLockedBuffer.data[colOffset + 3];
-                }
-            }
-        }
-        mOutputSurface->unlockAndPost();
-
-        int sleepSeconds = atoi(getenv(SHOW_DEBUG_STRING));
-        sleep(sleepSeconds);
-    }
-};
-
-const char SRGBTest::SHOW_DEBUG_STRING[] = "DEBUG_OUTPUT_SECONDS";
-
-TEST_F(SRGBTest, GLRenderFromSRGBTexture) {
-    ASSERT_NO_FATAL_FAILURE(initShaders());
-
-    // The RGB texture is displayed in the top half
-    ASSERT_NO_FATAL_FAILURE(drawTexture(false, 0, DISPLAY_HEIGHT / 2,
-            DISPLAY_WIDTH, DISPLAY_HEIGHT / 2));
-
-    // The SRGB texture is displayed in the bottom half
-    ASSERT_NO_FATAL_FAILURE(drawTexture(true, 0, 0,
-            DISPLAY_WIDTH, DISPLAY_HEIGHT / 2));
-
-    eglSwapBuffers(mEglDisplay, mEglSurface);
-    ASSERT_EQ(EGL_SUCCESS, eglGetError());
-
-    // Lock
-    ASSERT_EQ(NO_ERROR, mCpuConsumer->lockNextBuffer(&mLockedBuffer));
-    ASSERT_NO_FATAL_FAILURE(
-        checkLockedBuffer(PIXEL_FORMAT_RGBA_8888, HAL_DATASPACE_UNKNOWN));
-
-    // Compare a pixel in the middle of each texture
-    int midSRGBOffset = (DISPLAY_HEIGHT / 4) * mLockedBuffer.stride *
-            PIXEL_SIZE;
-    int midRGBOffset = midSRGBOffset * 3;
-    midRGBOffset += (DISPLAY_WIDTH / 2) * PIXEL_SIZE;
-    midSRGBOffset += (DISPLAY_WIDTH / 2) * PIXEL_SIZE;
-    for (int c = 0; c < PIXEL_SIZE; ++c) {
-        int expectedValue = mLockedBuffer.data[midRGBOffset + c];
-        int actualValue = mLockedBuffer.data[midSRGBOffset + c];
-        ASSERT_PRED2(withinTolerance, expectedValue, actualValue);
-    }
-
-    // mLockedBuffer is unlocked in TearDown so we can copy data from it to
-    // the debug surface if necessary
-}
-
-// XXX: Disabled since we don't currently expect this to work
-TEST_F(SRGBTest, DISABLED_RenderToSRGBSurface) {
-    ASSERT_NO_FATAL_FAILURE(initShaders());
-
-    // By default, the first buffer we write into will be RGB
-
-    // Render an RGB texture across the whole surface
-    ASSERT_NO_FATAL_FAILURE(drawTexture(false, 0, 0,
-            DISPLAY_WIDTH, DISPLAY_HEIGHT));
-    eglSwapBuffers(mEglDisplay, mEglSurface);
-    ASSERT_EQ(EGL_SUCCESS, eglGetError());
-
-    // Lock
-    ASSERT_EQ(NO_ERROR, mCpuConsumer->lockNextBuffer(&mLockedBuffer));
-    ASSERT_NO_FATAL_FAILURE(
-        checkLockedBuffer(PIXEL_FORMAT_RGBA_8888, HAL_DATASPACE_UNKNOWN));
-
-    // Save the values of the middle pixel for later comparison against SRGB
-    uint8_t values[PIXEL_SIZE] = {};
-    int middleOffset = (DISPLAY_HEIGHT / 2) * mLockedBuffer.stride *
-            PIXEL_SIZE;
-    middleOffset += (DISPLAY_WIDTH / 2) * PIXEL_SIZE;
-    for (int c = 0; c < PIXEL_SIZE; ++c) {
-        values[c] = mLockedBuffer.data[middleOffset + c];
-    }
-
-    // Unlock
-    ASSERT_EQ(NO_ERROR, mCpuConsumer->unlockBuffer(mLockedBuffer));
-
-    // Switch to SRGB window surface
-    static const int srgbAttribs[] = {
-        EGL_GL_COLORSPACE_KHR, EGL_GL_COLORSPACE_SRGB_KHR,
-        EGL_NONE,
-    };
-
-    EXPECT_TRUE(eglMakeCurrent(mEglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE,
-            mEglContext));
-    ASSERT_EQ(EGL_SUCCESS, eglGetError());
-
-    EXPECT_TRUE(eglDestroySurface(mEglDisplay, mEglSurface));
-    ASSERT_EQ(EGL_SUCCESS, eglGetError());
-
-    mEglSurface = eglCreateWindowSurface(mEglDisplay, mEglConfig,
-            mInputSurface.get(), srgbAttribs);
-    ASSERT_EQ(EGL_SUCCESS, eglGetError());
-    ASSERT_NE(EGL_NO_SURFACE, mEglSurface);
-
-    EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
-            mEglContext));
-    ASSERT_EQ(EGL_SUCCESS, eglGetError());
-
-    // Render the texture again
-    ASSERT_NO_FATAL_FAILURE(drawTexture(false, 0, 0,
-            DISPLAY_WIDTH, DISPLAY_HEIGHT));
-    eglSwapBuffers(mEglDisplay, mEglSurface);
-    ASSERT_EQ(EGL_SUCCESS, eglGetError());
-
-    // Lock
-    ASSERT_EQ(NO_ERROR, mCpuConsumer->lockNextBuffer(&mLockedBuffer));
-
-    // Make sure we actually got the SRGB buffer on the consumer side
-    ASSERT_NO_FATAL_FAILURE(
-        checkLockedBuffer(PIXEL_FORMAT_RGBA_8888, HAL_DATASPACE_SRGB));
-
-    // Verify that the stored value is the same, accounting for RGB/SRGB
-    for (int c = 0; c < PIXEL_SIZE; ++c) {
-        // The alpha value should be equivalent before linear->SRGB
-        float rgbAsSRGB = (c == 3) ? values[c] / 255.0f :
-                linearToSRGB(values[c] / 255.0f);
-        int expectedValue = rgbAsSRGB * 255.0f + 0.5f;
-        int actualValue = mLockedBuffer.data[middleOffset + c];
-        ASSERT_PRED2(withinTolerance, expectedValue, actualValue);
-    }
-
-    // mLockedBuffer is unlocked in TearDown so we can copy data from it to
-    // the debug surface if necessary
-}
-
-} // namespace android