private boolean initBuffer(GL4 gl4) {
boolean validated = true;
gl4.glGenBuffers(Buffer.MAX, bufferName);
gl4.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bufferName.get(Buffer.ELEMENT));
ShortBuffer elementBuffer = GLBuffers.newDirectShortBuffer(elementData);
gl4.glBufferData(GL_ELEMENT_ARRAY_BUFFER, elementSize, elementBuffer, GL_STATIC_DRAW);
BufferUtils.destroyDirectBuffer(elementBuffer);
gl4.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
gl4.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(Buffer.VERTEX));
FloatBuffer vertexBuffer = GLBuffers.newDirectFloatBuffer(vertexData);
gl4.glBufferData(GL_ARRAY_BUFFER, vertexSize, vertexBuffer, GL_STATIC_DRAW);
BufferUtils.destroyDirectBuffer(vertexBuffer);
gl4.glBindBuffer(GL_ARRAY_BUFFER, 0);
int[] uniformBufferOffset = {0};
gl4.glGetIntegerv(GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT, uniformBufferOffset, 0);
int uniformBlockSize = Math.max(Mat4.SIZE, uniformBufferOffset[0]);
gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
gl4.glBufferData(GL_UNIFORM_BUFFER, uniformBlockSize, null, GL_DYNAMIC_DRAW);
gl4.glBindBuffer(GL_UNIFORM_BUFFER, 0);
return validated;
}
public GLBuffer(GLBufferTarget theTarget) {
GL4 gl = GLGraphics.currentGL();
gl.glGenBuffers(1, GLBufferUtil.intBuffer());
_myID = GLBufferUtil.intBuffer().get(0);
_myTarget = theTarget;
bind();
unbind();
}
private boolean initVertexBuffer(GL4 gl4) {
gl4.glGenBuffers(Buffer.MAX.ordinal(), bufferName, 0);
gl4.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bufferName[Buffer.ELEMENT.ordinal()]);
ShortBuffer elementBuffer = GLBuffers.newDirectShortBuffer(elementData);
gl4.glBufferData(GL_ELEMENT_ARRAY_BUFFER, elementSize, elementBuffer, GL_STATIC_DRAW);
gl4.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
gl4.glBindBuffer(GL_ARRAY_BUFFER, bufferName[Buffer.F64.ordinal()]);
DoubleBuffer positionBuffer = GLBuffers.newDirectDoubleBuffer(positionData);
gl4.glBufferData(GL_ARRAY_BUFFER, positionSize, positionBuffer, GL_STATIC_DRAW);
gl4.glBindBuffer(GL_ARRAY_BUFFER, 0);
return checkError(gl4, "initArrayBuffer");
}