Example usage for org.lwjgl.opengl GL15 glBindBuffer

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:com.xrbpowered.gl.res.shaders.InstanceBuffer.java

License:Open Source License

public void disable() {
    for (int i = 0; i < elemCount.length; i++)
        GL20.glDisableVertexAttribArray(attribId + i);
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);
}

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();/*from  w  ww .j  a v  a  2 s.c om*/
    GL30.glBindVertexArray(vaoId);

    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:com.xrbpowered.gl.res.StaticMesh.java

License:Open Source License

public void disableDraw() {
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, 0);
    for (int i = 0; i < countAttribs; i++)
        GL20.glDisableVertexAttribArray(i);
    GL30.glBindVertexArray(0);/*from w w w .  ja v  a2 s  .  c  o m*/
}

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

License:Open Source License

public void drawCallInstanced(int count) {
    if (vboiId != GL11.GL_INVALID_VALUE) {
        GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, vboiId);
        GL31.glDrawElementsInstanced(drawMode, countElements, GL11.GL_UNSIGNED_SHORT, 0, count);
    } else {/*from ww  w.j a v a 2s . c  o  m*/
        GL31.glDrawArraysInstanced(drawMode, 0, countElements, count);
    }
}

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

License:Open Source License

public void drawCall() {
    if (vboiId != GL11.GL_INVALID_VALUE) {
        GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, vboiId);
        GL11.glDrawElements(drawMode, countElements, GL11.GL_UNSIGNED_SHORT, 0);
    } else {/*from w w w .j a v  a 2 s .c  o m*/
        GL11.glDrawArrays(drawMode, 0, countElements);
    }
}

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

License:Open Source License

public void destroy() {
    GL30.glBindVertexArray(vaoId);//from  w w w  .j  a v a  2s  . c  o  m
    for (int i = 0; i < countAttribs; i++)
        GL20.glDisableVertexAttribArray(i);

    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);
    GL15.glDeleteBuffers(vboId);
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, 0);
    if (vboiId != GL11.GL_INVALID_VALUE)
        GL15.glDeleteBuffers(vboiId);
    GL30.glBindVertexArray(0);
    GL30.glDeleteVertexArrays(vaoId);
}

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

License:Open Source License

@Override
public int createIndexBuffer16(short data[]) {
    int id = GL15.glGenBuffers();
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, id);
    GL15.glBufferData(GL15.GL_ELEMENT_ARRAY_BUFFER, data, GL15.GL_STATIC_DRAW);
    return id;/*w  w  w  .  ja va 2  s .com*/
}

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

License:Open Source License

@Override
public void setIndexBuffer(int ib) {
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, ib);
}

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();/*ww  w  .ja  v  a 2  s.c o m*/
    GL30.glBindVertexArray(vaoId);

    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 ww.  jav  a2s  .  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");
}