Example usage for org.lwjgl.opengl NVXGPUMemoryInfo GL_GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX

Introduction

In this page you can find the example usage for org.lwjgl.opengl NVXGPUMemoryInfo GL_GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX.

Prototype

int GL_GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX

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Document

Accepted by the param parameter of GetIntegerv.

Usage

From source file:net.guerra24.infinity.client.graphics.opengl.Display.java

License:Open Source License

@Override
public void create(int width, int height, String title, boolean vsync, boolean visible, boolean resizable,
        ContextFormat format, String[] icons) {
    Logger.log("Creating Window");
    super.displayWidth = width;
    super.displayHeight = height;
    if (glfwInit() != GL_TRUE)
        throw new IllegalStateException("Unable to initialize GLFW");

    glfwDefaultWindowHints();//from   w  w  w.  j  av  a2  s  .com
    glfwWindowHint(GLFW_VISIBLE, visible ? 1 : 0);
    super.displayResizable = resizable;
    glfwWindowHint(GLFW_RESIZABLE, resizable ? 1 : 0);

    format.create();

    super.window = glfwCreateWindow(displayWidth, displayHeight, title, NULL, NULL);
    if (super.window == NULL) {
        throw new RuntimeException("Failed to create the GLFW window");
    }
    super.createCallbacks();
    super.setCallbacks();
    vidmode = glfwGetVideoMode(glfwGetPrimaryMonitor());
    glfwSetWindowPos(super.window, (vidmode.width() - super.displayWidth) / 2,
            (vidmode.height() - super.displayHeight) / 2);
    glfwMakeContextCurrent(super.window);
    glfwSwapInterval(vsync ? 1 : 0);

    try {
        ByteBuffer[] icon_array = new ByteBuffer[icons.length];
        for (int i = 0; i < icons.length; i++) {
            icon_array[i] = ByteBuffer.allocateDirect(1);
            String path = icons[i];
            icon_array[i] = displayUtils.loadIcon(path);
        }
    } catch (IOException e) {
        Logger.error("Failed to load icons");
        e.printStackTrace();
    }
    createCapabilities();
    super.vg = nvgCreateGL3(NVG_ANTIALIAS | NVG_STENCIL_STROKES | NVG_DEBUG);
    if (vg == NULL)
        throw new RuntimeException("Fail to create NanoVG");

    lastLoopTime = getTime();
    ByteBuffer w = BufferUtils.createByteBuffer(4);
    ByteBuffer h = BufferUtils.createByteBuffer(4);
    glfwGetFramebufferSize(window, w, h);
    super.displayFramebufferWidth = w.getInt(0);
    super.displayFramebufferHeight = h.getInt(0);

    glfwGetWindowSize(super.window, w, h);
    super.displayWidth = w.getInt(0);
    super.displayHeight = h.getInt(0);
    super.pixelRatio = (float) displayFramebufferWidth / (float) displayWidth;
    glViewport(0, 0, (int) (displayWidth * pixelRatio), (int) (displayHeight * pixelRatio));

    if (glGetString(GL_VENDOR).contains("NVIDIA"))
        nvidia = true;
    else if (glGetString(GL_VENDOR).contains("AMD"))
        amd = true;
    if (nvidia)
        glGetIntegerv(NVXGPUMemoryInfo.GL_GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX, maxVram);
    else if (amd)
        glGetIntegerv(WGLAMDGPUAssociation.WGL_GPU_RAM_AMD, maxVram);
    if (nvidia)
        Logger.log("Max VRam: " + maxVram.get(0) + "KB");
    else if (amd)
        Logger.log("Max VRam: " + maxVram.get(0) + "MB");
    super.displayCreated = true;
}

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