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kc3-lang/angle/src/tests/egl_tests/EGLSurfaceTest.cpp

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  • Author : Cooper Partin
    Date : 2015-09-10 10:23:29
    Hash : d756145d
    Message : Re-land "Added support for premultiplied alpha mode for composition swapchains" Change-Id: Ic0c863c3d4936947fc520a5394e38e458659df46 Reviewed-on: https://chromium-review.googlesource.com/298880 Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Geoff Lang <geofflang@chromium.org> Tested-by: Geoff Lang <geofflang@chromium.org>

  • src/tests/egl_tests/EGLSurfaceTest.cpp
  • //
    // Copyright 2015 The ANGLE Project Authors. All rights reserved.
    // Use of this source code is governed by a BSD-style license that can be
    // found in the LICENSE file.
    //
    // EGLSurfaceTest:
    //   Tests pertaining to egl::Surface.
    //
    
    #include <gtest/gtest.h>
    
    #include <vector>
    
    #include "OSWindow.h"
    #include "test_utils/ANGLETest.h"
    
    namespace
    {
    
    class EGLSurfaceTest : public testing::Test
    {
      protected:
        EGLSurfaceTest()
            : mDisplay(EGL_NO_DISPLAY),
              mWindowSurface(EGL_NO_SURFACE),
              mPbufferSurface(EGL_NO_SURFACE),
              mContext(EGL_NO_CONTEXT),
              mSecondContext(EGL_NO_CONTEXT),
              mOSWindow(nullptr)
        {
        }
    
        void SetUp() override
        {
            mOSWindow = CreateOSWindow();
            mOSWindow->initialize("EGLSurfaceTest", 64, 64);
        }
    
        // Release any resources created in the test body
        void TearDown() override
        {
            if (mDisplay != EGL_NO_DISPLAY)
            {
                eglMakeCurrent(mDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
    
                if (mWindowSurface != EGL_NO_SURFACE)
                {
                    eglDestroySurface(mDisplay, mWindowSurface);
                    mWindowSurface = EGL_NO_SURFACE;
                }
    
                if (mPbufferSurface != EGL_NO_SURFACE)
                {
                    eglDestroySurface(mDisplay, mPbufferSurface);
                    mPbufferSurface = EGL_NO_SURFACE;
                }
    
                if (mContext != EGL_NO_CONTEXT)
                {
                    eglDestroyContext(mDisplay, mContext);
                    mContext = EGL_NO_CONTEXT;
                }
    
                if (mSecondContext != EGL_NO_CONTEXT)
                {
                    eglDestroyContext(mDisplay, mSecondContext);
                    mSecondContext = EGL_NO_CONTEXT;
                }
    
                eglTerminate(mDisplay);
                mDisplay = EGL_NO_DISPLAY;
            }
    
            mOSWindow->destroy();
            SafeDelete(mOSWindow);
    
            ASSERT_TRUE(mWindowSurface == EGL_NO_SURFACE && mContext == EGL_NO_CONTEXT);
        }
    
        void initializeDisplay(EGLenum platformType)
        {
            PFNEGLGETPLATFORMDISPLAYEXTPROC eglGetPlatformDisplayEXT = reinterpret_cast<PFNEGLGETPLATFORMDISPLAYEXTPROC>(eglGetProcAddress("eglGetPlatformDisplayEXT"));
            ASSERT_TRUE(eglGetPlatformDisplayEXT != nullptr);
    
            std::vector<EGLint> displayAttributes;
            displayAttributes.push_back(EGL_PLATFORM_ANGLE_TYPE_ANGLE);
            displayAttributes.push_back(platformType);
            displayAttributes.push_back(EGL_PLATFORM_ANGLE_MAX_VERSION_MAJOR_ANGLE);
            displayAttributes.push_back(EGL_DONT_CARE);
            displayAttributes.push_back(EGL_PLATFORM_ANGLE_MAX_VERSION_MINOR_ANGLE);
            displayAttributes.push_back(EGL_DONT_CARE);
    
            if (platformType == EGL_PLATFORM_ANGLE_TYPE_D3D9_ANGLE || platformType == EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE)
            {
                displayAttributes.push_back(EGL_PLATFORM_ANGLE_DEVICE_TYPE_ANGLE);
                displayAttributes.push_back(EGL_PLATFORM_ANGLE_DEVICE_TYPE_HARDWARE_ANGLE);
            }
            displayAttributes.push_back(EGL_NONE);
    
            mDisplay = eglGetPlatformDisplayEXT(EGL_PLATFORM_ANGLE_ANGLE, mOSWindow->getNativeDisplay(), displayAttributes.data());
            ASSERT_TRUE(mDisplay != EGL_NO_DISPLAY);
    
            EGLint majorVersion, minorVersion;
            ASSERT_TRUE(eglInitialize(mDisplay, &majorVersion, &minorVersion) == EGL_TRUE);
    
            eglBindAPI(EGL_OPENGL_ES_API);
            ASSERT_TRUE(eglGetError() == EGL_SUCCESS);
        }
    
        void initializeSurface(EGLConfig config)
        {
            mConfig = config;
    
            std::vector<EGLint> surfaceAttributes;
            surfaceAttributes.push_back(EGL_NONE);
            surfaceAttributes.push_back(EGL_NONE);
    
            // Create first window surface
            mWindowSurface = eglCreateWindowSurface(mDisplay, mConfig, mOSWindow->getNativeWindow(), &surfaceAttributes[0]);
            ASSERT_TRUE(eglGetError() == EGL_SUCCESS);
    
            mPbufferSurface = eglCreatePbufferSurface(mDisplay, mConfig, &surfaceAttributes[0]);
    
            EGLint contextAttibutes[] =
            {
                EGL_CONTEXT_CLIENT_VERSION, 2,
                EGL_NONE
            };
    
            mContext = eglCreateContext(mDisplay, mConfig, nullptr, contextAttibutes);
            ASSERT_TRUE(eglGetError() == EGL_SUCCESS);
    
            mSecondContext = eglCreateContext(mDisplay, mConfig, nullptr, contextAttibutes);
            ASSERT_TRUE(eglGetError() == EGL_SUCCESS);
        }
    
        void initializeSurfaceWithDefaultConfig()
        {
            const EGLint configAttributes[] =
            {
                EGL_RED_SIZE, EGL_DONT_CARE,
                EGL_GREEN_SIZE, EGL_DONT_CARE,
                EGL_BLUE_SIZE, EGL_DONT_CARE,
                EGL_ALPHA_SIZE, EGL_DONT_CARE,
                EGL_DEPTH_SIZE, EGL_DONT_CARE,
                EGL_STENCIL_SIZE, EGL_DONT_CARE,
                EGL_SAMPLE_BUFFERS, 0,
                EGL_NONE
            };
    
            EGLint configCount;
            EGLConfig config;
            ASSERT_TRUE(eglChooseConfig(mDisplay, configAttributes, &config, 1, &configCount) || (configCount != 1) == EGL_TRUE);
    
            initializeSurface(config);
        }
    
        GLuint createProgram()
        {
            const std::string testVertexShaderSource = SHADER_SOURCE
            (
                attribute highp vec4 position;
    
                void main(void)
                {
                    gl_Position = position;
                }
            );
    
            const std::string testFragmentShaderSource = SHADER_SOURCE
            (
                void main(void)
                {
                    gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0);
                }
            );
    
            return CompileProgram(testVertexShaderSource, testFragmentShaderSource);
        }
    
        void drawWithProgram(GLuint program)
        {
            glClearColor(0, 0, 0, 1);
            glClear(GL_COLOR_BUFFER_BIT);
    
            GLint positionLocation = glGetAttribLocation(program, "position");
    
            glUseProgram(program);
    
            const GLfloat vertices[] =
            {
                -1.0f,  1.0f, 0.5f,
                -1.0f, -1.0f, 0.5f,
                 1.0f, -1.0f, 0.5f,
    
                -1.0f,  1.0f, 0.5f,
                 1.0f, -1.0f, 0.5f,
                 1.0f,  1.0f, 0.5f,
            };
    
            glVertexAttribPointer(positionLocation, 3, GL_FLOAT, GL_FALSE, 0, vertices);
            glEnableVertexAttribArray(positionLocation);
    
            glDrawArrays(GL_TRIANGLES, 0, 6);
    
            glDisableVertexAttribArray(positionLocation);
            glVertexAttribPointer(positionLocation, 4, GL_FLOAT, GL_FALSE, 0, NULL);
    
            EXPECT_PIXEL_EQ(mOSWindow->getWidth() / 2, mOSWindow->getHeight() / 2, 255, 0, 0, 255);
        }
    
        void runMessageLoopTest(EGLSurface secondSurface, EGLContext secondContext)
        {
            eglMakeCurrent(mDisplay, mWindowSurface, mWindowSurface, mContext);
            ASSERT_TRUE(eglGetError() == EGL_SUCCESS);
    
            // Make a second context current
            eglMakeCurrent(mDisplay, secondSurface, secondSurface, secondContext);
            eglDestroySurface(mDisplay, mWindowSurface);
    
            // Create second window surface
            std::vector<EGLint> surfaceAttributes;
            surfaceAttributes.push_back(EGL_NONE);
            surfaceAttributes.push_back(EGL_NONE);
    
            mWindowSurface = eglCreateWindowSurface(mDisplay, mConfig, mOSWindow->getNativeWindow(), &surfaceAttributes[0]);
            ASSERT_TRUE(eglGetError() == EGL_SUCCESS);
    
            eglMakeCurrent(mDisplay, mWindowSurface, mWindowSurface, mContext);
            ASSERT_TRUE(eglGetError() == EGL_SUCCESS);
    
            mOSWindow->signalTestEvent();
            mOSWindow->messageLoop();
            ASSERT_TRUE(mOSWindow->didTestEventFire());
    
            // Simple operation to test the FBO is set appropriately
            glClear(GL_COLOR_BUFFER_BIT);
        }
    
        EGLDisplay mDisplay;
        EGLSurface mWindowSurface;
        EGLSurface mPbufferSurface;
        EGLContext mContext;
        EGLContext mSecondContext;
        EGLConfig mConfig;
        OSWindow *mOSWindow;
    };
    
    // Test a surface bug where we could have two Window surfaces active
    // at one time, blocking message loops. See http://crbug.com/475085
    TEST_F(EGLSurfaceTest, MessageLoopBug)
    {
        const char *extensionsString = eglQueryString(EGL_NO_DISPLAY, EGL_EXTENSIONS);
        if (strstr(extensionsString, "EGL_ANGLE_platform_angle_d3d") == nullptr)
        {
            std::cout << "D3D Platform not supported in ANGLE" << std::endl;
            return;
        }
    
        initializeDisplay(EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE);
        initializeSurfaceWithDefaultConfig();
    
        runMessageLoopTest(EGL_NO_SURFACE, EGL_NO_CONTEXT);
    }
    
    // Tests the message loop bug, but with setting a second context
    // instead of null.
    TEST_F(EGLSurfaceTest, MessageLoopBugContext)
    {
        const char *extensionsString = eglQueryString(EGL_NO_DISPLAY, EGL_EXTENSIONS);
        if (strstr(extensionsString, "EGL_ANGLE_platform_angle_d3d") == nullptr)
        {
            std::cout << "D3D Platform not supported in ANGLE" << std::endl;
            return;
        }
    
        initializeDisplay(EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE);
        initializeSurfaceWithDefaultConfig();
    
        runMessageLoopTest(mPbufferSurface, mSecondContext);
    }
    
    // Test a bug where calling makeCurrent twice would release the surface
    TEST_F(EGLSurfaceTest, MakeCurrentTwice)
    {
        initializeDisplay(EGL_PLATFORM_ANGLE_TYPE_DEFAULT_ANGLE);
        initializeSurfaceWithDefaultConfig();
    
        eglMakeCurrent(mDisplay, mWindowSurface, mWindowSurface, mContext);
        ASSERT_TRUE(eglGetError() == EGL_SUCCESS);
    
        eglMakeCurrent(mDisplay, mWindowSurface, mWindowSurface, mContext);
        ASSERT_TRUE(eglGetError() == EGL_SUCCESS);
    
        // Simple operation to test the FBO is set appropriately
        glClear(GL_COLOR_BUFFER_BIT);
    }
    
    // Test that the D3D window surface is correctly resized after calling swapBuffers
    TEST_F(EGLSurfaceTest, ResizeD3DWindow)
    {
        const char *extensionsString = eglQueryString(EGL_NO_DISPLAY, EGL_EXTENSIONS);
        if (strstr(extensionsString, "EGL_ANGLE_platform_angle_d3d") == nullptr)
        {
            std::cout << "D3D Platform not supported in ANGLE" << std::endl;
            return;
        }
    
        initializeDisplay(EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE);
        initializeSurfaceWithDefaultConfig();
    
        eglSwapBuffers(mDisplay, mWindowSurface);
        ASSERT_EGL_SUCCESS();
    
        EGLint height;
        eglQuerySurface(mDisplay, mWindowSurface, EGL_HEIGHT, &height);
        ASSERT_EGL_SUCCESS();
        ASSERT_EQ(64, height);  // initial size
    
        // set window's height to 0
        mOSWindow->resize(64, 0);
    
        eglSwapBuffers(mDisplay, mWindowSurface);
        ASSERT_EGL_SUCCESS();
    
        eglQuerySurface(mDisplay, mWindowSurface, EGL_HEIGHT, &height);
        ASSERT_EGL_SUCCESS();
        ASSERT_EQ(0, height);
    
        // restore window's height
        mOSWindow->resize(64, 64);
    
        eglSwapBuffers(mDisplay, mWindowSurface);
        ASSERT_EGL_SUCCESS();
    
        eglQuerySurface(mDisplay, mWindowSurface, EGL_HEIGHT, &height);
        ASSERT_EGL_SUCCESS();
        ASSERT_EQ(64, height);
    }
    
    // Test creating a surface that supports a EGLConfig with 16bit
    // support GL_RGB565
    TEST_F(EGLSurfaceTest, CreateWithEGLConfig5650Support)
    {
        if (!ANGLETest::eglDisplayExtensionEnabled(EGL_NO_DISPLAY, "EGL_ANGLE_platform_angle_d3d"))
        {
            std::cout << "D3D Platform not supported in ANGLE" << std::endl;
            return;
        }
    
        const EGLint configAttributes[] =
        {
            EGL_RED_SIZE, 5,
            EGL_GREEN_SIZE, 6,
            EGL_BLUE_SIZE, 5,
            EGL_ALPHA_SIZE, 0,
            EGL_DEPTH_SIZE, 0,
            EGL_STENCIL_SIZE, 0,
            EGL_SAMPLE_BUFFERS, 0,
            EGL_NONE
        };
    
        initializeDisplay(EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE);
        EGLConfig config;
        if (EGLWindow::FindEGLConfig(mDisplay, configAttributes, &config) == EGL_FALSE)
        {
            std::cout << "EGLConfig for a GL_RGB565 surface is not supported, skipping test" << std::endl;
            return;
        }
    
        initializeSurface(config);
    
        eglMakeCurrent(mDisplay, mWindowSurface, mWindowSurface, mContext);
        ASSERT_EGL_SUCCESS();
    
        GLuint program = createProgram();
        drawWithProgram(program);
        EXPECT_GL_NO_ERROR();
        glDeleteProgram(program);
    }
    
    // Test creating a surface that supports a EGLConfig with 16bit
    // support GL_RGBA4
    TEST_F(EGLSurfaceTest, CreateWithEGLConfig4444Support)
    {
        if (!ANGLETest::eglDisplayExtensionEnabled(EGL_NO_DISPLAY, "EGL_ANGLE_platform_angle_d3d"))
        {
            std::cout << "D3D Platform not supported in ANGLE" << std::endl;
            return;
        }
    
        const EGLint configAttributes[] =
        {
            EGL_RED_SIZE, 4,
            EGL_GREEN_SIZE, 4,
            EGL_BLUE_SIZE, 4,
            EGL_ALPHA_SIZE, 4,
            EGL_DEPTH_SIZE, 0,
            EGL_STENCIL_SIZE, 0,
            EGL_SAMPLE_BUFFERS, 0,
            EGL_NONE
        };
    
        initializeDisplay(EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE);
        EGLConfig config;
        if (EGLWindow::FindEGLConfig(mDisplay, configAttributes, &config) == EGL_FALSE)
        {
            std::cout << "EGLConfig for a GL_RGBA4 surface is not supported, skipping test" << std::endl;
            return;
        }
    
        initializeSurface(config);
    
        eglMakeCurrent(mDisplay, mWindowSurface, mWindowSurface, mContext);
        ASSERT_EGL_SUCCESS();
    
        GLuint program = createProgram();
        drawWithProgram(program);
        EXPECT_GL_NO_ERROR();
        glDeleteProgram(program);
    }
    
    // Test creating a surface that supports a EGLConfig with 16bit
    // support GL_RGB5_A1
    TEST_F(EGLSurfaceTest, CreateWithEGLConfig5551Support)
    {
        if (!ANGLETest::eglDisplayExtensionEnabled(EGL_NO_DISPLAY, "EGL_ANGLE_platform_angle_d3d"))
        {
            std::cout << "D3D Platform not supported in ANGLE" << std::endl;
            return;
        }
    
        const EGLint configAttributes[] =
        {
            EGL_RED_SIZE, 5,
            EGL_GREEN_SIZE, 5,
            EGL_BLUE_SIZE, 5,
            EGL_ALPHA_SIZE, 1,
            EGL_DEPTH_SIZE, 0,
            EGL_STENCIL_SIZE, 0,
            EGL_SAMPLE_BUFFERS, 0,
            EGL_NONE
        };
    
        initializeDisplay(EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE);
        EGLConfig config;
        if (EGLWindow::FindEGLConfig(mDisplay, configAttributes, &config) == EGL_FALSE)
        {
            std::cout << "EGLConfig for a GL_RGB5_A1 surface is not supported, skipping test" << std::endl;
            return;
        }
    
        initializeSurface(config);
    
        eglMakeCurrent(mDisplay, mWindowSurface, mWindowSurface, mContext);
        ASSERT_EGL_SUCCESS();
    
        GLuint program = createProgram();
        drawWithProgram(program);
        EXPECT_GL_NO_ERROR();
        glDeleteProgram(program);
    }
    
    // Test creating a surface that supports a EGLConfig without alpha support
    TEST_F(EGLSurfaceTest, CreateWithEGLConfig8880Support)
    {
        if (!ANGLETest::eglDisplayExtensionEnabled(EGL_NO_DISPLAY, "EGL_ANGLE_platform_angle_d3d"))
        {
            std::cout << "D3D Platform not supported in ANGLE" << std::endl;
            return;
        }
    
        const EGLint configAttributes[] =
        {
            EGL_RED_SIZE, 8,
            EGL_GREEN_SIZE, 8,
            EGL_BLUE_SIZE, 8,
            EGL_ALPHA_SIZE, 0,
            EGL_DEPTH_SIZE, 0,
            EGL_STENCIL_SIZE, 0,
            EGL_SAMPLE_BUFFERS, 0,
            EGL_NONE
        };
    
        initializeDisplay(EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE);
        EGLConfig config;
        if (EGLWindow::FindEGLConfig(mDisplay, configAttributes, &config) == EGL_FALSE)
        {
            std::cout << "EGLConfig for a GL_RGB8_OES surface is not supported, skipping test"
                      << std::endl;
            return;
        }
    
        initializeSurface(config);
    
        eglMakeCurrent(mDisplay, mWindowSurface, mWindowSurface, mContext);
        ASSERT_EGL_SUCCESS();
    
        GLuint program = createProgram();
        drawWithProgram(program);
        EXPECT_GL_NO_ERROR();
        glDeleteProgram(program);
    }
    }