Example usage for org.lwjgl.opengl GL11 glGetString

Introduction

In this page you can find the example usage for org.lwjgl.opengl GL11 glGetString.

Prototype

@Nullable
@NativeType("GLubyte const *")
public static String glGetString(@NativeType("GLenum") int name) 

Source Link

Document

Return strings describing properties of the current GL context.

Usage

From source file:com.badlogic.gdx.backends.lwjgl.LwjglGL10.java

License:Apache License

public final String glGetString(int name) {
    return GL11.glGetString(name);
}

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From source file:com.badlogic.gdx.backends.lwjgl.LwjglGraphics.java

License:Apache License

public void initiateGLInstances() {
    if (usingGL30) {
        gl30 = new LwjglGL30();
        gl20 = gl30;/*from   w w  w  . j  a v  a  2s. co m*/
    } else {
        gl20 = new LwjglGL20();
    }

    if (!isOpenGLOrHigher(2, 0))
        throw new GdxRuntimeException(
                "OpenGL 2.0 or higher with the FBO extension is required. OpenGL version: "
                        + GL11.glGetString(GL11.GL_VERSION) + "\n" + glInfo());

    if (!supportsFBO()) {
        throw new GdxRuntimeException(
                "OpenGL 2.0 or higher with the FBO extension is required. OpenGL version: "
                        + GL11.glGetString(GL11.GL_VERSION) + ", FBO extension: false\n" + glInfo());
    }

    Gdx.gl = gl20;
    Gdx.gl20 = gl20;
    Gdx.gl30 = gl30;
}

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From source file:com.badlogic.gdx.backends.lwjgl.LwjglGraphics.java

License:Apache License

private String glInfo() {
    try {//from  w  w  w .  ja v a 2 s .com
        return GL11.glGetString(GL11.GL_VENDOR) + "\n" //
                + GL11.glGetString(GL11.GL_RENDERER) + "\n" //
                + GL11.glGetString(GL11.GL_VERSION);
    } catch (Throwable ignored) {
    }
    return "";
}

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From source file:com.badlogic.gdx.backends.lwjgl3.Lwjgl3Application.java

License:Apache License

static long createGlfwWindow(Lwjgl3ApplicationConfiguration config, long sharedContextWindow) {
    GLFW.glfwDefaultWindowHints();/*from   w w  w.  j av  a 2s  .  com*/
    GLFW.glfwWindowHint(GLFW.GLFW_VISIBLE, GLFW.GLFW_FALSE);
    GLFW.glfwWindowHint(GLFW.GLFW_RESIZABLE, config.windowResizable ? GLFW.GLFW_TRUE : GLFW.GLFW_FALSE);

    if (sharedContextWindow == 0) {
        GLFW.glfwWindowHint(GLFW.GLFW_RED_BITS, config.r);
        GLFW.glfwWindowHint(GLFW.GLFW_GREEN_BITS, config.g);
        GLFW.glfwWindowHint(GLFW.GLFW_BLUE_BITS, config.b);
        GLFW.glfwWindowHint(GLFW.GLFW_ALPHA_BITS, config.a);
        GLFW.glfwWindowHint(GLFW.GLFW_STENCIL_BITS, config.stencil);
        GLFW.glfwWindowHint(GLFW.GLFW_DEPTH_BITS, config.depth);
        GLFW.glfwWindowHint(GLFW.GLFW_SAMPLES, config.samples);
    }

    if (config.useGL30) {
        //GLFW.glfwWindowHint(GLFW.GLFW_CLIENT_API, GLFW.GLFW_OPENGL_API);
        GLFW.glfwWindowHint(GLFW.GLFW_CONTEXT_VERSION_MAJOR, config.gles30ContextMajorVersion);
        GLFW.glfwWindowHint(GLFW.GLFW_CONTEXT_VERSION_MINOR, config.gles30ContextMinorVersion);
        GLFW.glfwWindowHint(GLFW.GLFW_OPENGL_FORWARD_COMPAT, GLFW.GLFW_TRUE);
        GLFW.glfwWindowHint(GLFW.GLFW_OPENGL_PROFILE, GLFW.GLFW_OPENGL_CORE_PROFILE);
    }

    long windowHandle = 0;

    if (config.fullscreenMode != null) {
        // glfwWindowHint(GLFW.GLFW_REFRESH_RATE, config.fullscreenMode.refreshRate);
        windowHandle = GLFW.glfwCreateWindow(config.fullscreenMode.width, config.fullscreenMode.height,
                config.title, config.fullscreenMode.getMonitor(), sharedContextWindow);
    } else {
        GLFW.glfwWindowHint(GLFW.GLFW_DECORATED, config.windowDecorated ? GLFW.GLFW_TRUE : GLFW.GLFW_FALSE);
        windowHandle = GLFW.glfwCreateWindow(config.windowWidth, config.windowHeight, config.title, 0,
                sharedContextWindow);
    }
    if (windowHandle == 0) {
        throw new GdxRuntimeException("Couldn't create window");
    }
    if (config.fullscreenMode == null) {
        if (config.windowX == -1 && config.windowY == -1) {
            GLFWVidMode vidMode = GLFW.glfwGetVideoMode(GLFW.glfwGetPrimaryMonitor());
            GLFW.glfwSetWindowPos(windowHandle, vidMode.width() / 2 - config.windowWidth / 2,
                    vidMode.height() / 2 - config.windowHeight / 2);
        } else {
            GLFW.glfwSetWindowPos(windowHandle, config.windowX, config.windowY);
        }
    }
    GLFW.glfwMakeContextCurrent(windowHandle);
    GLFW.glfwSwapInterval(config.vSyncEnabled ? 1 : 0);
    GL.createCapabilities();

    extractVersion();
    if (!isOpenGLOrHigher(2, 0))
        throw new GdxRuntimeException(
                "OpenGL 2.0 or higher with the FBO extension is required. OpenGL version: "
                        + GL11.glGetString(GL11.GL_VERSION) + "\n" + glInfo());

    if (!supportsFBO()) {
        throw new GdxRuntimeException(
                "OpenGL 2.0 or higher with the FBO extension is required. OpenGL version: "
                        + GL11.glGetString(GL11.GL_VERSION) + ", FBO extension: false\n" + glInfo());
    }

    for (int i = 0; i < 2; i++) {
        GL11.glClearColor(config.initialBackgroundColor.r, config.initialBackgroundColor.g,
                config.initialBackgroundColor.b, config.initialBackgroundColor.a);
        GL11.glClear(GL11.GL_COLOR_BUFFER_BIT);
        GLFW.glfwSwapBuffers(windowHandle);
    }
    return windowHandle;
}

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From source file:com.badlogic.gdx.backends.lwjgl3.Lwjgl3Application.java

License:Apache License

private static void extractVersion() {
    // See https://www.opengl.org/wiki/GLAPI/glGetString, format is:
    // <major> "." <minor> ("." <release>) (<space> (<vendor_specific_info>))
    String version = GL11.glGetString(GL11.GL_VERSION);
    try {/*from  w  w  w.  ja va 2 s. co m*/
        String[] v = version.split(" ", 2)[0].split("\\.", 3);
        versionMajor = Integer.parseInt(v[0]);
        versionMinor = Integer.parseInt(v[1]);
        versionRelease = v.length > 2 ? Integer.parseInt(v[2]) : 0;
    } catch (Throwable t) {
        throw new GdxRuntimeException("Error extracting the OpenGL version: " + version, t);
    }
}

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From source file:com.badlogic.gdx.backends.lwjgl3.Lwjgl3Application.java

License:Apache License

private static String glInfo() {
    try {//from w ww  . ja  v a2s .c o  m
        return GL11.glGetString(GL11.GL_VENDOR) + "\n" //
                + GL11.glGetString(GL11.GL_RENDERER) + "\n" //
                + GL11.glGetString(GL11.GL_VERSION);
    } catch (Throwable ignored) {
    }
    return "";
}

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From source file:com.drazisil.opengl3demo.OpenGL3Demo.java

License:Apache License

private void initOpenGl() {
    System.out.println("Hello LWJGL " + Sys.getVersion() + "!");

    // create and set the glfw error callback
    setupErrorCallback();/*from   w  w  w  .  j a va  2  s.  c om*/

    // Initialize GLFW. Most GLFW functions will not work before doing this.
    if (glfwInit() != GL11.GL_TRUE)
        throw new IllegalStateException("Unable to initialize GLFW");

    // create the window
    window = glfwCreateWindow(WIDTH, HEIGHT, title, 0, 0);

    // Check if window was created
    if (window == 0) {
        glfwTerminate();
        exit(-1);
    }

    // Get the resolution of the primary monitor
    ByteBuffer vidmode = glfwGetVideoMode(glfwGetPrimaryMonitor());

    // Center our window
    glfwSetWindowPos(window, (GLFWvidmode.width(vidmode) - WIDTH) / 2,
            (GLFWvidmode.height(vidmode) - HEIGHT) / 2);

    // Created and set the glfw key callback
    setupKeyCallback();

    // make context current
    glfwMakeContextCurrent(window);

    // It is required to have an active OpenGL context
    GLContext.createFromCurrent();

    System.out.println("OpenGL Version " + GL11.glGetString(GL11.GL_VERSION));

    vertexArrays = glGenVertexArrays();
    glBindVertexArray(vertexArrays);

    colorBufferObject = glGenBuffers();
}

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From source file:com.github.begla.blockmania.rendering.manager.ShaderManager.java

License:Apache License

private ShaderManager() {
    Blockmania.getInstance().getLogger().log(Level.INFO, "Loading Blockmania shader manager...");
    Blockmania.getInstance().getLogger().log(Level.INFO, "GL_VERSION: {0}", GL11.glGetString(GL11.GL_VERSION));
    Blockmania.getInstance().getLogger().log(Level.INFO, "SHADING_LANGUAGE VERSION: {0}",
            GL11.glGetString(GL20.GL_SHADING_LANGUAGE_VERSION));
    Blockmania.getInstance().getLogger().log(Level.INFO, "EXTENSIONS: {0}",
            GL11.glGetString(GL11.GL_EXTENSIONS));

    initShaders();//www  . ja  v  a  2 s.c  o m
}

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From source file:com.github.begla.blockmania.rendering.ShaderManager.java

License:Apache License

private ShaderManager() {
    initShaders();/*w  ww  . j a v a  2 s .  c  o  m*/

    Blockmania.getInstance().getLogger().log(Level.INFO, "Loading Blockmania shader manager...");
    Blockmania.getInstance().getLogger().log(Level.INFO, "GL_VERSION: {0}", GL11.glGetString(GL11.GL_VERSION));
    Blockmania.getInstance().getLogger().log(Level.INFO, "SHADING_LANGUAGE VERSION: {0}",
            GL11.glGetString(GL20.GL_SHADING_LANGUAGE_VERSION));
    Blockmania.getInstance().getLogger().log(Level.INFO, "EXTENSIONS: {0}",
            GL11.glGetString(GL11.GL_EXTENSIONS));
}

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From source file:com.google.gapid.glviewer.GeometryScene.java

License:Apache License

@Override
public void init(Renderer renderer) {
    float[] background = new float[] { .2f, .2f, .2f, 1f };

    LOG.log(FINE, "GL Version:   " + GL11.glGetString(GL11.GL_VERSION));
    LOG.log(FINE, "GLSL Version: " + GL11.glGetString(GL20.GL_SHADING_LANGUAGE_VERSION));

    shaders = Shaders.init(renderer);/*w w w. j  a va 2s  .  c  o m*/
    if (renderable != null) {
        renderable.init(renderer);
    }

    GL11.glEnable(GL11.GL_DEPTH_TEST);
    GL11.glClearColor(background[0], background[1], background[2], background[3]);
    GL11.glPointSize(4);
    GL30.glBindVertexArray(GL30.glGenVertexArrays());
}

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