Example usage for org.lwjgl.opengl GL15 glBindBuffer

List of usage examples for org.lwjgl.opengl GL15 glBindBuffer

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Introduction

In this page you can find the example usage for org.lwjgl.opengl GL15 glBindBuffer.

Prototype

public static void glBindBuffer(@NativeType("GLenum") int target, @NativeType("GLuint") int buffer)

Source Link

Document

Binds a named buffer object.

Usage

From source file:Data.Building.java

License:Apache License

@Override
public void destroy() {
    // Disable the VBO index from the VAO attributes list
    GL20.glDisableVertexAttribArray(0);/*from ww  w . j  ava 2s. c  o  m*/

    // Delete the VBO
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);
    GL15.glDeleteBuffers(vboId);

    // Delete the VAO
    GL30.glBindVertexArray(0);
    GL30.glDeleteVertexArrays(vaoId);
}

From source file:dataAccess.lwjgl.VAO_Loader.java

/**
 * Binds the VBO, so that it can be modified.
 *
 * @param vboID The ID of the VBO that will be bound.
 *///from   w  w  w  .  java2  s . c o  m
private static void bindArrayBuffer(int vboID) {
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, vboID);
}

From source file:dataAccess.lwjgl.VAO_Loader.java

/**
 * Binds the VBO, so that it can be modified.
 *
 * @param vboID The ID of the VBO that will be bound.
 *//*  w  w w  .  j  a va2s .c  o  m*/
private static void bindElementArrayBuffer(int vboID) {
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, vboID);
}

From source file:dataAccess.lwjgl.VAO_Loader.java

/**
 * Unbinds the VBO.
 */
private static void unbindElementArrayBuffer() {
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, 0);
}

From source file:dataAccess.lwjgl.VAO_Loader.java

/**
 * Unbinds the VBO.
 */
private static void unbindArrayBuffer() {
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);
}

From source file:de.codesourcery.flocking.LWJGLRenderer.java

License:Apache License

private void renderWorld(World world) {
    final double modelMax = world.getSimulationParameters().modelMax;
    xInc = Display.getWidth() / modelMax;
    yInc = Display.getHeight() / modelMax;

    GL11.glEnable(GL11.GL_DEPTH_TEST);//from www.  j  a  v a  2  s  .  c  o m
    GL11.glDepthMask(true);

    GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);

    GL11.glDisable(GL11.GL_DEPTH_TEST);
    GL11.glDepthMask(false);

    GL11.glColor3f(0.5f, 0.5f, 1.0f);

    GL11.glEnableClientState(GL11.GL_VERTEX_ARRAY);

    final int triangleCount = world.getPopulationCount();

    // setup vertex data       
    final int vertexArrayLen = triangleCount * 3 * 2; // one triangle = 3 vertices * 2 int's per vertex
    final MyIntBuffer vertexBuffer = getVertexBuffer(vertexArrayLen);

    final IntBuffer vertexIntBuffer = vertexBuffer.getBuffer();
    final IBoidVisitor visitor = new IBoidVisitor() {

        @Override
        public void visit(Boid boid) {
            drawBoid(boid, vertexIntBuffer);
        }
    };
    world.visitAllBoids(visitor);

    vertexBuffer.rewind();

    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, vertexBuffer.getHandle());
    GL15.glBufferData(GL15.GL_ARRAY_BUFFER, vertexBuffer.getBuffer(), GL15.GL_DYNAMIC_DRAW);
    GL11.glVertexPointer(2, GL11.GL_INT, 0, 0);

    // setup index data
    MyIntBuffer indexBuffer = getIndexBuffer(triangleCount * 3);
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, indexBuffer.getHandle());
    GL15.glBufferData(GL15.GL_ELEMENT_ARRAY_BUFFER, indexBuffer.getBuffer(), GL15.GL_STATIC_DRAW);

    GL11.glDrawElements(GL11.GL_TRIANGLES, triangleCount * 3, GL11.GL_UNSIGNED_INT, 0);

    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, 0);

    GL11.glDisableClientState(GL11.GL_VERTEX_ARRAY);

    GL11.glEnable(GL11.GL_DEPTH_TEST);
    GL11.glDepthMask(true);
}

From source file:de.ikosa.mars.viewer.glviewer.engine.GLMeshBuilder.java

License:Open Source License

protected GLMesh createMesh(GLResources resourceManager, boolean fetchMaterial) {
    // create VBO buffers
    FloatBuffer interleavedBuffer = BufferUtils.createFloatBuffer(vertices.size() * 8);
    int stride = 12 + (hasNormals ? 12 : 0) + (hasTexCoords ? 8 : 0);
    int normalPosition = 12;
    int texCoordPosition = 12 + (hasNormals ? 12 : 0);

    // fill buffers
    for (GLVertex vertex : vertices) {
        interleavedBuffer.put(vertex.px);
        interleavedBuffer.put(vertex.py);
        interleavedBuffer.put(vertex.pz);
        if (hasNormals) {
            interleavedBuffer.put(vertex.nx);
            interleavedBuffer.put(vertex.ny);
            interleavedBuffer.put(vertex.nz);
        }/* w ww  . j  a v a 2s  . c  om*/
        if (hasTexCoords) {
            interleavedBuffer.put(vertex.tu);
            interleavedBuffer.put(vertex.tv);
        }
    }

    interleavedBuffer.flip();

    // create VAO
    int vaoId = GL30.glGenVertexArrays();
    GL30.glBindVertexArray(vaoId);

    // create VBOs
    int interleavedVboId = GL15.glGenBuffers();
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, interleavedVboId);
    GL15.glBufferData(GL15.GL_ARRAY_BUFFER, interleavedBuffer, GL15.GL_STATIC_DRAW);

    // position should always be there
    GL20.glVertexAttribPointer(0, 3, GL11.GL_FLOAT, false, stride, 0);
    if (hasNormals)
        GL20.glVertexAttribPointer(1, 3, GL11.GL_FLOAT, false, stride, normalPosition);
    if (hasTexCoords)
        GL20.glVertexAttribPointer(2, 2, GL11.GL_FLOAT, false, stride, texCoordPosition);

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

    // create mesh object
    GLMesh mesh = createInstance(vaoId, interleavedVboId);

    // create submeshes for material groups

    for (String material : indices.keySet()) {
        GLMaterial glMaterial = fetchMaterial ? resourceManager.getMaterial(material) : GLMaterial.nullMaterial;
        // create index buffer
        List<GLIndex> indicesForMaterial = indices.get(material);
        IntBuffer indexBuffer = BufferUtils.createIntBuffer(indicesForMaterial.size());

        for (GLIndex index : indicesForMaterial) {
            indexBuffer.put(index.index);
        }
        indexBuffer.flip();

        int indexVboId = GL15.glGenBuffers();
        GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, indexVboId);
        GL15.glBufferData(GL15.GL_ELEMENT_ARRAY_BUFFER, indexBuffer, GL15.GL_STATIC_DRAW);

        GLSubMesh subMesh = new GLSubMesh(indexVboId, indicesForMaterial.size(), glMaterial, mesh);
        mesh.addSubMesh(subMesh);

    }

    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, 0);

    return mesh;
}

From source file:de.ikosa.mars.viewer.glviewer.engine.GLSSQScene.java

License:Open Source License

public void Pass(GLScene.PassType passType) {
    ssqMesh.use();//  ww w .ja  v a  2s.  co m
    for (int m = 0; m < ssqMesh.getSubMeshCount(); m++) {
        GLSubMesh subMesh = ssqMesh.getSubMesh(m);
        GLMaterial ssqMaterial = subMesh.getMaterial();
        GLShader ssqShader = ssqMaterial.preparePass(passType, GLScene.DrawModifier.None);
        if (ssqShader != null) {
            GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, subMesh.getIndexVboId());
            GL11.glDrawElements(GL11.GL_TRIANGLES, subMesh.getIndexCount(), GL11.GL_UNSIGNED_INT, 0);
        }
    }
}

From source file:de.ikosa.mars.viewer.glviewer.engine.GLSubMesh.java

License:Open Source License

public void use() {
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, indexVboId);
}

From source file:de.ikosa.mars.viewer.glviewer.GLHeightMapMesh.java

License:Open Source License

public void use() {
    GL30.glBindVertexArray(vertexArrayObjectId);

    GL20.glEnableVertexAttribArray(0);/*from  w w w .  j  a  v  a2 s . c  o m*/

    GL20.glEnableVertexAttribArray(1);

    GL20.glEnableVertexAttribArray(2);

    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, indexVboId);

}