Example usage for org.lwjgl.opengl GL15 GL_ARRAY

Introduction

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

Prototype

int GL_ARRAY_BUFFER

To view the source code for org.lwjgl.opengl GL15 GL_ARRAY_BUFFER.

Click Source Link

Document

Accepted by the target parameters of BindBuffer, BufferData, BufferSubData, MapBuffer, UnmapBuffer, GetBufferSubData, GetBufferParameteriv, and GetBufferPointerv.

Usage

From source file:ru.axialshift.vram.gl.VertexVBO.java

License:Apache License

@Override
protected void upload_gl() {
    //Allocation/*from  ww w . j  a  v a2 s .  c o  m*/
    glpointer = GL15.glGenBuffers();
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, glpointer);
    GL15.glBufferData(GL15.GL_ARRAY_BUFFER, (FloatBuffer) tovram, GL15.GL_STATIC_DRAW);

    //Mapping
    int stride = 4 * (MeshData.VERTICES_STRIDE + MeshData.UVS_STRIDE + MeshData.NORMALS_STRIDE
            + MeshData.TANGENTS_STRIDE + MeshData.BITANGENTS_STRIDE);
    int offset = 0;
    //Vertices
    int bytesPerVertex = MeshData.VERTICES_STRIDE * 4;
    GL20.glVertexAttribPointer(id_pos, MeshData.VERTICES_STRIDE, GL11.GL_FLOAT, false, stride, offset);
    //UVs
    int bytesPerUVs = MeshData.UVS_STRIDE * 4;
    offset += bytesPerVertex;
    GL20.glVertexAttribPointer(id_uvs, MeshData.UVS_STRIDE, GL11.GL_FLOAT, false, stride, offset);
    //Normals
    int bytesPerNormals = MeshData.NORMALS_STRIDE * 4;
    offset += bytesPerUVs;
    GL20.glVertexAttribPointer(id_nor, MeshData.NORMALS_STRIDE, GL11.GL_FLOAT, false, stride, offset);
    //Tangents
    int bytesPerTangents = MeshData.TANGENTS_STRIDE * 4;
    offset += bytesPerNormals;
    GL20.glVertexAttribPointer(id_tan, MeshData.TANGENTS_STRIDE, GL11.GL_FLOAT, false, stride, offset);
    //BiTangents
    //int bytesPerBiTangents = MeshData.BITANGENTS_STRIDE*4;
    offset += bytesPerTangents;
    GL20.glVertexAttribPointer(id_btan, MeshData.BITANGENTS_STRIDE, GL11.GL_FLOAT, false, stride, offset);

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

From source file:ru.axialshift.vram.gl.VertexVBO.java

License:Apache License

@Override
protected void unload_gl() {
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);
    super.unload_gl();
}

From source file:se.angergard.engine.graphics.Mesh.java

License:Apache License

public Mesh(long vertexBufferSize, long indicesBufferSize, int usage) {
    if (aMeshCreated) {
        new Exception("You can't create multiple meshes as of right now. This is due to a bug")
                .printStackTrace();/*from w  w w  .  j  a v a2 s . c om*/
    }

    vbo = GL15.glGenBuffers();
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, vbo);
    GL15.glBufferData(GL15.GL_ARRAY_BUFFER, vertexBufferSize, usage);
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);

    ibo = GL15.glGenBuffers();
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, ibo);
    GL15.glBufferData(GL15.GL_ELEMENT_ARRAY_BUFFER, indicesBufferSize, usage);
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, 0);

    this.VERTEX_BUFFER_SIZE = vertexBufferSize;
    this.INDICES_BUFFER_SIZE = indicesBufferSize;

    this.INDICES_LENGTH = (int) indicesBufferSize / 4; // removes bytes

    aMeshCreated = true;
}

From source file:se.angergard.engine.graphics.Mesh.java

License:Apache License

public final void setVertices(FloatBuffer buffer) {
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, vbo);
    GL15.glBufferSubData(GL15.GL_ARRAY_BUFFER, 0, buffer);
    // GL15.glBufferData(GL15.GL_ARRAY_BUFFER, buffer, GL15.GL_DYNAMIC_DRAW);
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);
}

From source file:se.angergard.engine.graphics.Mesh.java

License:Apache License

public void draw() {
    GL20.glEnableVertexAttribArray(0);/*from   www .  ja v a 2s.co m*/
    GL20.glEnableVertexAttribArray(1);

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

    GL20.glVertexAttribPointer(0, 2, GL11.GL_FLOAT, false, Vertex2D.SIZE_BYTES, 0);
    GL20.glVertexAttribPointer(1, 2, GL11.GL_FLOAT, false, Vertex2D.SIZE_BYTES, 8);
    GL11.glDrawElements(GL11.GL_TRIANGLES, INDICES_LENGTH, GL11.GL_UNSIGNED_INT, 0);

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

    GL20.glDisableVertexAttribArray(0);
    GL20.glDisableVertexAttribArray(1);
}

From source file:thebounzer.org.lwgldemo.Chapter5.java

License:Open Source License

private void createAndBindVertexObject(float[] data) throws IOException {
    FloatBuffer fBuffer = BufferUtils.createFloatBuffer(data.length);
    fBuffer.put(data);/*  w  ww  .  j  av a  2  s.co m*/
    fBuffer.flip();
    int vboId = GL15.glGenBuffers();
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, vboId);
    GL15.glBufferData(GL15.GL_ARRAY_BUFFER, fBuffer, GL15.GL_STATIC_DRAW);
    GL20.glVertexAttribPointer(0, 3, GL11.GL_FLOAT, false, 0, 0);
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);
}

From source file:uk.co.hexeption.darkforge.utils.render.GLUtils.java

License:Open Source License

public static int genVBO() {

    int id = GL15.glGenBuffers();
    vbos.add(id);/*from   ww  w .j  ava2s  . c om*/
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, id);
    return id;
}

From source file:uk.co.hexeption.darkforge.utils.render.GLUtils.java

License:Open Source License

/**
 * Cleans ups the arrays on close// w  ww .  jav  a 2  s.  c o  m
 */
public static void cleanup() {

    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);
    glBindTexture(GL_TEXTURE_2D, 0);

    for (int vbo : vbos) {
        GL15.glDeleteBuffers(vbo);
    }

    for (int texture : textures) {
        glDeleteTextures(texture);
    }

}

From source file:uk.co.ifs_studios.engine.geometry.BasicDrawElement.java

License:Open Source License

/**
 * Set verticies to DrawElement.//from  w w  w .  j ava2 s  .  c o m
 * 
 * @param verticies
 *            - Verticies.
 */
public void setVerticies(Vertex[] verticies) {
    float[] vertexValues = new float[verticies.length * 4];

    int vertexIndex = 0;
    for (int i = 0; i < vertexValues.length; i += 4) {
        vertexValues[i + 0] = verticies[vertexIndex].getX();
        vertexValues[i + 1] = verticies[vertexIndex].getY();
        vertexValues[i + 2] = verticies[vertexIndex].getZ();
        vertexValues[i + 3] = verticies[vertexIndex].getW();

        vertexIndex++;
    }

    FloatBuffer verticiesBuffer = BufferUtils.createFloatBuffer(vertexValues.length);
    verticiesBuffer.put(vertexValues);
    verticiesBuffer.flip();

    GL30.glBindVertexArray(this.vao);

    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, this.vbo);
    GL15.glBufferData(GL15.GL_ARRAY_BUFFER, verticiesBuffer, GL15.GL_STATIC_DRAW);
    GL20.glVertexAttribPointer(0, 4, GL11.GL_FLOAT, false, 0, 0);
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);

    GL30.glBindVertexArray(0);
}

From source file:uk.co.ifs_studios.engine.geometry.BasicDrawElement.java

License:Open Source License

/**
 * Set colors to DrawElement.//from   ww  w  .  j a  v a  2s.c o m
 * 
 * @param colors
 *            - Colors.
 */
public void setColors(Color[] colors) {
    float[] colorValues = new float[colors.length * 4];

    int colorIndex = 0;
    for (int i = 0; i < colorValues.length; i += 4) {
        colorValues[i + 0] = colors[colorIndex].getRed();
        colorValues[i + 1] = colors[colorIndex].getGreen();
        colorValues[i + 2] = colors[colorIndex].getBlue();
        colorValues[i + 3] = colors[colorIndex].getAlpha();

        colorIndex++;
    }

    FloatBuffer colorsBuffer = BufferUtils.createFloatBuffer(colorValues.length);
    colorsBuffer.put(colorValues);
    colorsBuffer.flip();

    GL30.glBindVertexArray(this.vao);

    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, this.cbo);
    GL15.glBufferData(GL15.GL_ARRAY_BUFFER, colorsBuffer, GL15.GL_STREAM_DRAW);
    GL20.glVertexAttribPointer(1, 4, GL11.GL_FLOAT, false, 0, 0);
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);

    GL30.glBindVertexArray(0);
}

Example usage for org.lwjgl.opengl GL15 GL_ARRAY_BUFFER

Introduction

Prototype

Document

Usage