Examples with LWJGLException org.lwjgl.LWJGLException used on opensource projects

Example 31 with LWJGLException

use of org.lwjgl.LWJGLException in project lwjgl by LWJGL.

the class AL method create.

/**
	 * @param openDevice Whether to automatically open the device
	 * @see #create(String, int, int, boolean)
	 */
public static void create(String deviceArguments, int contextFrequency, int contextRefresh, boolean contextSynchronized, boolean openDevice) throws LWJGLException {
    if (created)
        throw new IllegalStateException("Only one OpenAL context may be instantiated at any one time.");
    String libname;
    String[] library_names;
    switch(LWJGLUtil.getPlatform()) {
        case LWJGLUtil.PLATFORM_WINDOWS:
            if (Sys.is64Bit()) {
                libname = "OpenAL64";
                library_names = new String[] { "OpenAL64.dll" };
            } else {
                libname = "OpenAL32";
                library_names = new String[] { "OpenAL32.dll" };
            }
            break;
        case LWJGLUtil.PLATFORM_LINUX:
            libname = "openal";
            library_names = new String[] { "libopenal64.so", "libopenal.so", "libopenal.so.0" };
            break;
        case LWJGLUtil.PLATFORM_MACOSX:
            libname = "openal";
            library_names = new String[] { "openal.dylib" };
            break;
        default:
            throw new LWJGLException("Unknown platform: " + LWJGLUtil.getPlatform());
    }
    String[] oalPaths = LWJGLUtil.getLibraryPaths(libname, library_names, AL.class.getClassLoader());
    LWJGLUtil.log("Found " + oalPaths.length + " OpenAL paths");
    for (String oalPath : oalPaths) {
        try {
            nCreate(oalPath);
            created = true;
            init(deviceArguments, contextFrequency, contextRefresh, contextSynchronized, openDevice);
            break;
        } catch (LWJGLException e) {
            LWJGLUtil.log("Failed to load " + oalPath + ": " + e.getMessage());
        }
    }
    if (!created && LWJGLUtil.getPlatform() == LWJGLUtil.PLATFORM_MACOSX) {
        // Try to load OpenAL from the framework instead
        nCreateDefault();
        created = true;
        init(deviceArguments, contextFrequency, contextRefresh, contextSynchronized, openDevice);
    }
    if (!created)
        throw new LWJGLException("Could not locate OpenAL library.");
}

Example 32 with LWJGLException

use of org.lwjgl.LWJGLException in project lwjgl by LWJGL.

the class DisplayTest method setDisplayModeTest.

/**
   * Tests setting display modes
   */
private void setDisplayModeTest() throws LWJGLException {
    DisplayMode mode = null;
    DisplayMode[] modes = null;
    System.out.println("==== Test setDisplayMode ====");
    System.out.println("Retrieving available displaymodes");
    modes = Display.getAvailableDisplayModes();
    // no modes check
    if (modes == null) {
        System.out.println("FATAL: unable to find any modes!");
        System.exit(-1);
    }
    // find a mode
    System.out.print("Looking for 640x480...");
    for (DisplayMode mode1 : modes) {
        if (mode1.getWidth() == 640 && mode1.getHeight() == 480) {
            mode = mode1;
            System.out.println("found!");
            break;
        }
    }
    // no mode check
    if (mode == null) {
        System.out.println("error\nFATAL: Unable to find basic mode.");
        System.exit(-1);
    }
    // change to mode, and wait a bit
    System.out.print("Changing to mode...");
    try {
        Display.setDisplayMode(mode);
        Display.setFullscreen(true);
        Display.create();
    } catch (Exception e) {
        System.out.println("error\nFATAL: Error setting mode");
        System.exit(-1);
    }
    System.out.println("done");
    System.out.println("Resolution: " + Display.getDisplayMode().getWidth() + "x" + Display.getDisplayMode().getHeight() + "x" + Display.getDisplayMode().getBitsPerPixel() + "@" + Display.getDisplayMode().getFrequency() + "Hz");
    pause(5000);
    // reset
    System.out.print("Resetting mode...");
    try {
        Display.setFullscreen(false);
    } catch (LWJGLException e) {
        e.printStackTrace();
    }
    System.out.println("done");
    System.out.println("---- Test setDisplayMode ----");
}

Example 33 with LWJGLException

use of org.lwjgl.LWJGLException in project lwjgl by LWJGL.

the class Display method setDisplayConfiguration.

/**
	 * Set the display configuration to the specified gamma, brightness and contrast.
	 * The configuration changes will be reset when destroy() is called.
	 *
	 * @param gamma      The gamma value
	 * @param brightness The brightness value between -1.0 and 1.0, inclusive
	 * @param contrast   The contrast, larger than 0.0.
	 */
public static void setDisplayConfiguration(float gamma, float brightness, float contrast) throws LWJGLException {
    synchronized (GlobalLock.lock) {
        if (!isCreated()) {
            throw new LWJGLException("Display not yet created.");
        }
        if (brightness < -1.0f || brightness > 1.0f)
            throw new IllegalArgumentException("Invalid brightness value");
        if (contrast < 0.0f)
            throw new IllegalArgumentException("Invalid contrast value");
        int rampSize = display_impl.getGammaRampLength();
        if (rampSize == 0) {
            throw new LWJGLException("Display configuration not supported");
        }
        FloatBuffer gammaRamp = BufferUtils.createFloatBuffer(rampSize);
        for (int i = 0; i < rampSize; i++) {
            float intensity = (float) i / (rampSize - 1);
            // apply gamma
            float rampEntry = (float) java.lang.Math.pow(intensity, gamma);
            // apply brightness
            rampEntry += brightness;
            // apply contrast
            rampEntry = (rampEntry - 0.5f) * contrast + 0.5f;
            // Clamp entry to [0, 1]
            if (rampEntry > 1.0f)
                rampEntry = 1.0f;
            else if (rampEntry < 0.0f)
                rampEntry = 0.0f;
            gammaRamp.put(i, rampEntry);
        }
        display_impl.setGammaRamp(gammaRamp);
        LWJGLUtil.log("Gamma set, gamma = " + gamma + ", brightness = " + brightness + ", contrast = " + contrast);
    }
}

Example 34 with LWJGLException

use of org.lwjgl.LWJGLException in project lwjgl by LWJGL.

the class Display method createWindow.

/**
	 * Create the native window peer from the given mode and fullscreen flag.
	 * A native context must exist, and it will be attached to the window.
	 */
private static void createWindow() throws LWJGLException {
    if (window_created) {
        return;
    }
    Canvas tmp_parent = isFullscreen() ? null : parent;
    if (// Only a best effort check, since the parent can turn undisplayable hereafter
    tmp_parent != null && !tmp_parent.isDisplayable())
        throw new LWJGLException("Parent.isDisplayable() must be true");
    if (tmp_parent != null) {
        tmp_parent.addComponentListener(component_listener);
    }
    DisplayMode mode = getEffectiveMode();
    display_impl.createWindow(drawable, mode, tmp_parent, getWindowX(), getWindowY());
    window_created = true;
    width = Display.getDisplayMode().getWidth();
    height = Display.getDisplayMode().getHeight();
    setTitle(title);
    initControls();
    // set cached window icon if exists
    if (cached_icons != null) {
        setIcon(cached_icons);
    } else {
        setIcon(new ByteBuffer[] { LWJGLUtil.LWJGLIcon32x32, LWJGLUtil.LWJGLIcon16x16 });
    }
}

Example 35 with LWJGLException

use of org.lwjgl.LWJGLException in project lwjgl by LWJGL.

the class LinuxCanvasImplementation method findConfiguration.

/**
	 * Find a proper GraphicsConfiguration from the given GraphicsDevice and PixelFormat.
	 *
	 * @return The GraphicsConfiguration corresponding to a visual that matches the pixel format.
	 */
public GraphicsConfiguration findConfiguration(GraphicsDevice device, PixelFormat pixel_format) throws LWJGLException {
    try {
        int screen = getScreenFromDevice(device);
        int visual_id_matching_format = findVisualIDFromFormat(screen, pixel_format);
        GraphicsConfiguration[] configurations = device.getConfigurations();
        for (GraphicsConfiguration configuration : configurations) {
            int visual_id = getVisualIDFromConfiguration(configuration);
            if (visual_id == visual_id_matching_format)
                return configuration;
        }
    } catch (LWJGLException e) {
        LWJGLUtil.log("Got exception while trying to determine configuration: " + e);
    }
    // In case we failed to locate the visual, or if we're not on a SUN JDK
    return null;
}