Example usage for org.lwjgl.opengl GL30 glGenVertexArrays

List of usage examples for org.lwjgl.opengl GL30 glGenVertexArrays

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Introduction

In this page you can find the example usage for org.lwjgl.opengl GL30 glGenVertexArrays.

Prototype

@NativeType("void")
public static int glGenVertexArrays()

Source Link

Document

Generates vertex array object names.

Usage

From source file:com.redthirddivision.quad.rendering.models.Model.java

License:Apache License

private int createVAO() {
    int vaoID = GL30.glGenVertexArrays();
    ResourceManager.addVAO(vaoID);
    GL30.glBindVertexArray(vaoID);
    return vaoID;
}

From source file:com.rfdickerson.openworld.CubeGeometry.java

@Override
void init() {/*  ww w  .  j  av  a 2s .c om*/

    float[] vertices = { -0.5f, 0.5f, 0.5f, -0.5f, -0.5f, 0.5f, 0.5f, -0.5f, 0.5f, 0.5f, 0.5f, 0.5f, -0.5f,
            0.5f, -0.5f, 0.5f, 0.5f, -0.5f, -0.5f, -0.5f, -0.5f };

    byte[] indices = { 0, 1, 2, 0, 2, 3, 0, 3, 4, 4, 3, 5, 0, 4, 6, 0, 6, 1

    };

    indicesCount = indices.length;
    ByteBuffer indicesBuffer = BufferUtils.createByteBuffer(indicesCount);
    indicesBuffer.put(indices);
    indicesBuffer.flip();

    FloatBuffer verticesBuffer = BufferUtils.createFloatBuffer(vertices.length);
    verticesBuffer.put(vertices);
    verticesBuffer.flip();

    //vertexCount = 6;

    vaoId = GL30.glGenVertexArrays();
    GL30.glBindVertexArray(vaoId);

    vboId = GL15.glGenBuffers();
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, vboId);
    GL15.glBufferData(GL15.GL_ARRAY_BUFFER, verticesBuffer, GL15.GL_STATIC_DRAW);

    GL20.glVertexAttribPointer(0, 3, GL11.GL_FLOAT, false, 0, 0);
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);

    GL30.glBindVertexArray(0);

    vboiId = GL15.glGenBuffers();
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, vboiId);
    GL15.glBufferData(GL15.GL_ELEMENT_ARRAY_BUFFER, indicesBuffer, GL15.GL_STATIC_DRAW);
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, 0);

    this.isLoaded = true;

    exitOnGLError("init terrain patch");

}

From source file:com.rfdickerson.openworld.RenderSurface.java

@Override
void init() {/* ww  w.ja v  a  2s . co m*/

    float[] vertices = { -0.5f, 0f, -0.5f, -0.5f, 0f, 0.5f, 0.5f, 0f, 0.5f, 0.5f, 0f, -0.5f

    };

    byte[] indices = { 0, 1, 3, 1, 2, 3 };

    indicesCount = indices.length;
    ByteBuffer indicesBuffer = BufferUtils.createByteBuffer(indicesCount);
    indicesBuffer.put(indices);
    indicesBuffer.flip();

    FloatBuffer verticesBuffer = BufferUtils.createFloatBuffer(vertices.length);
    verticesBuffer.put(vertices);
    verticesBuffer.flip();

    //vertexCount = 6;

    vaoId = GL30.glGenVertexArrays();
    GL30.glBindVertexArray(vaoId);

    vboId = GL15.glGenBuffers();
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, vboId);
    GL15.glBufferData(GL15.GL_ARRAY_BUFFER, verticesBuffer, GL15.GL_STATIC_DRAW);

    GL20.glVertexAttribPointer(0, 3, GL11.GL_FLOAT, false, 0, 0);
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);

    GL30.glBindVertexArray(0);

    vboiId = GL15.glGenBuffers();
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, vboiId);
    GL15.glBufferData(GL15.GL_ELEMENT_ARRAY_BUFFER, indicesBuffer, GL15.GL_STATIC_DRAW);
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, 0);

    this.isLoaded = true;

    exitOnGLError("init terrain patch");

}

From source file:com.samrj.devil.gl.VAO.java

private VAO(Pair<VertexData, ShaderProgram> pair) {
    DGL.checkState();//from   w w  w . j a v  a  2  s.  c o m
    if (!DGL.getCapabilities().OpenGL30)
        throw new UnsupportedOperationException("Vertex arrays unsupported in OpenGL < 3.0");
    id = GL30.glGenVertexArrays();
    this.pair = pair;

    bind();

    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, pair.a.vbo());
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, pair.a.ibo());

    for (ShaderProgram.Attribute satt : pair.b.getAttributes()) {
        VertexData.Attribute att = pair.a.getAttribute(satt.name);

        if (att != null) {
            AttributeType type = att.getType();
            for (int layer = 0; layer < type.layers; layer++) {
                int location = satt.location + layer;
                GL20.glEnableVertexAttribArray(location);
                vertexAttribPointer(location, type, att.getStride(), att.getOffset() + layer * type.size);
            }
        }
    }
}

From source file:com.voxelplugineering.voxelsniper.render.buffer.BufferManager.java

License:Open Source License

public void setup() {
    vaoId = GL30.glGenVertexArrays();
    setup = true;/*from   w  w  w. j av a  2  s .  c o m*/
    for (BufferSection b : this.sections) {
        b.create(vaoId);
    }

    OpenGLUtilities.checkGLError("setupQuad");
}

From source file:com.xrbpowered.gl.res.shaders.FeedbackVertices.java

License:Open Source License

public FeedbackVertices(Shader transformShader, Shader renderShader, int count, boolean createIndices) {
    this.transformShader = transformShader;
    this.renderShader = renderShader;
    this.countElements = count;
    vertexBuffer = BufferUtils.createByteBuffer(count * transformShader.info.getStride()).asFloatBuffer();
    feedbackBuffer = BufferUtils.createByteBuffer(count * renderShader.info.getStride()).asFloatBuffer();

    vaoId = GL30.glGenVertexArrays();
    GL30.glBindVertexArray(vaoId);/*from w  w  w  . j  ava2 s  .com*/

    vboId = GL15.glGenBuffers();
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, vboId);
    GL15.glBufferData(GL15.GL_ARRAY_BUFFER, count * transformShader.info.getStride(), GL15.GL_DYNAMIC_DRAW);
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);

    vboFeedbackId = GL15.glGenBuffers();
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, vboFeedbackId);
    GL15.glBufferData(GL15.GL_ARRAY_BUFFER, count * renderShader.info.getStride(), GL15.GL_DYNAMIC_DRAW);
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);

    GL30.glBindVertexArray(0);

    if (createIndices) {
        indexBuffer = BufferUtils.createByteBuffer(count * 4).asIntBuffer();

        vboiId = GL15.glGenBuffers();
        GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, vboiId);
        GL15.glBufferData(GL15.GL_ELEMENT_ARRAY_BUFFER, count * 4, GL15.GL_DYNAMIC_DRAW);
        GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, 0);
    }
    Client.checkError();
}

From source file:com.xrbpowered.gl.res.StaticMesh.java

License:Open Source License

private void create(VertexInfo info, FloatBuffer vertexBuffer, ShortBuffer indexBuffer, int countElements,
        int verticesPerElement, boolean dynamic) {
    this.countElements = countElements;
    this.drawMode = getDrawMode(verticesPerElement);
    int usage = dynamic ? GL15.GL_DYNAMIC_DRAW : GL15.GL_STATIC_DRAW;

    vaoId = GL30.glGenVertexArrays();
    GL30.glBindVertexArray(vaoId);/*from   w w w.  j a  v  a 2 s.  c  o m*/

    vboId = GL15.glGenBuffers();
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, vboId);
    GL15.glBufferData(GL15.GL_ARRAY_BUFFER, vertexBuffer, usage);

    this.countAttribs = info.getAttributeCount();
    info.initAttribPointers();

    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);
    GL30.glBindVertexArray(0);

    if (indexBuffer != null) {
        vboiId = GL15.glGenBuffers();
        GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, vboiId);
        GL15.glBufferData(GL15.GL_ELEMENT_ARRAY_BUFFER, indexBuffer, usage);
        GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, 0);
    }
}

From source file:cuchaz.jfxgl.prism.TexturedQuad.java

License:Open Source License

public TexturedQuad(int x, int y, int w, int h, int texId, Shader shader) {

    this.shader = shader;
    this.texId = texId;

    // make the vertex array
    vaoId = GL30.glGenVertexArrays();
    GL30.glBindVertexArray(vaoId);/*from   w ww .  jav  a2 s .c o m*/

    try (MemoryStack m = MemoryStack.stackPush()) {

        // make the indices
        ByteBuffer indexBuf = m.bytes(new byte[] { 0, 1, 2, 0, 2, 3 });
        iboId = GL15.glGenBuffers();
        GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, iboId);
        GL15.glBufferData(GL15.GL_ARRAY_BUFFER, indexBuf, GL15.GL_STATIC_DRAW);
        GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, iboId);

        // make the vertices
        FloatBuffer vertexBuf = m.floats(
                new float[] { x + 0, y + 0, 0, 0, x + w, y + 0, 1, 0, x + w, y + h, 1, 1, x + 0, y + h, 0, 1 });
        vboId = GL15.glGenBuffers();
        GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, vboId);
        GL15.glBufferData(GL15.GL_ARRAY_BUFFER, vertexBuf, GL15.GL_STATIC_DRAW);
        GL20.glEnableVertexAttribArray(0);
        GL20.glVertexAttribPointer(0, 2, GL11.GL_FLOAT, false, Float.BYTES * 4, 0);
        GL20.glEnableVertexAttribArray(1);
        GL20.glVertexAttribPointer(1, 2, GL11.GL_FLOAT, false, Float.BYTES * 4, Float.BYTES * 2);
    }

    // unbind things
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);
    GL30.glBindVertexArray(0);
}

From source file:Data.Building.java

License:Apache License

@Override
public void setup() {
    // OpenGL expects vertices to be defined counter clockwise by default

    triangulize(geometry);//from w w w.jav  a 2s . c o m

    // Sending data to OpenGL requires the usage of (flipped) byte buffers
    FloatBuffer verticesBuffer = BufferUtils.createFloatBuffer(vertices.length);
    verticesBuffer.put(vertices);
    verticesBuffer.flip();

    vertexCount = vertices.length;

    // Create a new Vertex Array Object in memory and select it (bind)
    // A VAO can have up to 16 attributes (VBO's) assigned to it by default
    vaoId = GL30.glGenVertexArrays();
    GL30.glBindVertexArray(vaoId);

    // Create a new Vertex Buffer Object in memory and select it (bind)
    // A VBO is a collection of Vectors which in this case resemble the location of each vertex.
    vboId = GL15.glGenBuffers();
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, vboId);
    GL15.glBufferData(GL15.GL_ARRAY_BUFFER, verticesBuffer, GL15.GL_STATIC_DRAW);
    // Put the VBO in the attributes list at index 0
    GL20.glVertexAttribPointer(0, 3, GL11.GL_FLOAT, false, 0, 0);
    // Deselect (bind to 0) the VBO
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);

    // Deselect (bind to 0) the VAO
    GL30.glBindVertexArray(0);

    Util.exitOnGLError("Error in setupQuad");
}

From source file:dataAccess.lwjgl.VAO_Loader.java

/**
 * Creates a new VAO.//w w w.  j ava  2s . com
 *
 * @return Its ID that points to the VAO in memory.
 */
private static int createVAO() {
    int vaoID = GL30.glGenVertexArrays();
    // Adds VAO to list so that it can be cleared when needed.
    vaos.add(vaoID);
    return vaoID;
}