C++ EGLWindow::getSurface方法代码示例

// Test creating a pbuffer from a multisampled d3d surface and drawing with a program.
TEST_P(D3DTextureTestMS, DrawProgram)
{
    EGLWindow *window  = getEGLWindow();
    EGLDisplay display = window->getDisplay();

    constexpr size_t bufferSize = 32;

    EGLSurface pbuffer = createPBuffer(bufferSize, bufferSize, EGL_NO_TEXTURE, EGL_NO_TEXTURE, 4,
                                       static_cast<UINT>(D3D11_STANDARD_MULTISAMPLE_PATTERN));
    ASSERT_EGL_SUCCESS();
    ASSERT_NE(pbuffer, EGL_NO_SURFACE);

    // Apply the Pbuffer and clear it to magenta
    eglMakeCurrent(display, pbuffer, pbuffer, window->getContext());
    ASSERT_EGL_SUCCESS();

    glViewport(0, 0, static_cast<GLsizei>(bufferSize), static_cast<GLsizei>(bufferSize));
    glClearColor(1.0f, 0.0f, 1.0f, 1.0f);
    glClear(GL_COLOR_BUFFER_BIT);
    ASSERT_GL_NO_ERROR();

    constexpr GLint testPoint = bufferSize / 2;
    EXPECT_PIXEL_COLOR_EQ(testPoint, testPoint, GLColor::magenta);

    // Apply the window surface
    eglMakeCurrent(display, window->getSurface(), window->getSurface(), window->getContext());
    ASSERT_EGL_SUCCESS();

    glViewport(0, 0, getWindowWidth(), getWindowHeight());
    ASSERT_EGL_SUCCESS();

    // Draw a quad and verify that it is magenta
    glUseProgram(mTextureProgramNoSampling);
    EXPECT_GL_NO_ERROR();

    drawQuad(mTextureProgramNoSampling, "position", 0.5f);
    EXPECT_GL_NO_ERROR();

    // Verify that magenta was drawn
    EXPECT_PIXEL_COLOR_EQ(getWindowWidth() / 2, getWindowHeight() / 2, GLColor::magenta);

    // Make current with fixture EGL to ensure the Surface can be released immediately.
    getEGLWindow()->makeCurrent();
    eglDestroySurface(display, pbuffer);
}

// Tests timer queries operating under multiple EGL contexts with mid-query switching
TEST_P(TimerQueriesTest, TimeElapsedMulticontextTest)
{
    if (!extensionEnabled("GL_EXT_disjoint_timer_query"))
    {
        std::cout << "Test skipped because GL_EXT_disjoint_timer_query is not available."
                  << std::endl;
        return;
    }

    GLint queryTimeElapsedBits = 0;
    glGetQueryivEXT(GL_TIME_ELAPSED_EXT, GL_QUERY_COUNTER_BITS_EXT, &queryTimeElapsedBits);
    ASSERT_GL_NO_ERROR();

    std::cout << "Time elapsed counter bits: " << queryTimeElapsedBits << std::endl;

    // Skip test if the number of bits is 0
    if (queryTimeElapsedBits == 0)
    {
        std::cout << "Test skipped because of 0 counter bits" << std::endl;
        return;
    }

    // Without a glClear, the first draw call on GL takes a huge amount of time when run after the
    // D3D test on certain NVIDIA drivers
    glDepthMask(GL_TRUE);
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);

    EGLint contextAttributes[] = {
        EGL_CONTEXT_MAJOR_VERSION_KHR,
        GetParam().majorVersion,
        EGL_CONTEXT_MINOR_VERSION_KHR,
        GetParam().minorVersion,
        EGL_NONE,
    };

    EGLWindow *window = getEGLWindow();

    EGLDisplay display = window->getDisplay();
    EGLConfig config   = window->getConfig();
    EGLSurface surface = window->getSurface();

    struct ContextInfo
    {
        EGLContext context;
        GLuint program;
        GLuint query;
        EGLDisplay display;

        ContextInfo() : context(EGL_NO_CONTEXT), program(0), query(0), display(EGL_NO_DISPLAY) {}

        ~ContextInfo()
        {
            if (context != EGL_NO_CONTEXT && display != EGL_NO_DISPLAY)
            {
                eglDestroyContext(display, context);
            }
        }
    };
    ContextInfo contexts[2];

    // Shaders
    const std::string cheapVS =
        "attribute highp vec4 position; void main(void)\n"
        "{\n"
        "    gl_Position = position;\n"
        "}\n";

    const std::string cheapPS =
        "precision highp float; void main(void)\n"
        "{\n"
        "    gl_FragColor = vec4(1.0, 1.0, 1.0, 1.0);\n"
        "}\n";

    const std::string costlyVS =
        "attribute highp vec4 position; varying highp vec4 testPos; void main(void)\n"
        "{\n"
        "    testPos     = position;\n"
        "    gl_Position = position;\n"
        "}\n";

    const std::string costlyPS =
        "precision highp float; varying highp vec4 testPos; void main(void)\n"
        "{\n"
        "    vec4 test = testPos;\n"
        "    for (int i = 0; i < 500; i++)\n"
        "    {\n"
        "        test = sqrt(test);\n"
        "    }\n"
        "    gl_FragColor = test;\n"
        "}\n";

    // Setup the first context with a cheap shader
    contexts[0].context = eglCreateContext(display, config, EGL_NO_CONTEXT, contextAttributes);
    contexts[0].display = display;
    ASSERT_NE(contexts[0].context, EGL_NO_CONTEXT);
    eglMakeCurrent(display, surface, surface, contexts[0].context);
    contexts[0].program = CompileProgram(cheapVS, cheapPS);
    glGenQueriesEXT(1, &contexts[0].query);
    ASSERT_GL_NO_ERROR();
//.........这里部分代码省略.........