//-----------------------------------------------------------------------------------------
protected override void OnUnload(EventArgs e)
{
GL.DeleteProgram(_shaderProgramName[0]);
GL.DeleteProgram(_shaderProgramName[1]);
GL.DeleteBuffers(Buffers.GetCount(), Buffers.Names);
GL.DeleteVertexArrays(1, ref _vertexArrayName);
}
//-----------------------------------------------------------------------------------------
private bool _InitBuffers()
{
float[] vertexData = new float[]
{
// back
-0.25f, 0.25f, -0.25f, -0.25f, -0.25f, -0.25f, 0.25f, -0.25f, -0.25f,
0.25f, -0.25f, -0.25f, 0.25f, 0.25f, -0.25f, -0.25f, 0.25f, -0.25f,
// right
0.25f, -0.25f, -0.25f, 0.25f, -0.25f, 0.25f, 0.25f, 0.25f, -0.25f,
0.25f, -0.25f, 0.25f, 0.25f, 0.25f, 0.25f, 0.25f, 0.25f, -0.25f,
// front
0.25f, -0.25f, 0.25f, -0.25f, -0.25f, 0.25f, 0.25f, 0.25f, 0.25f,
-0.25f, -0.25f, 0.25f, -0.25f, 0.25f, 0.25f, 0.25f, 0.25f, 0.25f,
// left
-0.25f, -0.25f, 0.25f, -0.25f, -0.25f, -0.25f, -0.25f, 0.25f, 0.25f,
-0.25f, -0.25f, -0.25f, -0.25f, 0.25f, -0.25f, -0.25f, 0.25f, 0.25f,
// bottom
-0.25f, -0.25f, 0.25f, 0.25f, -0.25f, 0.25f, 0.25f, -0.25f, -0.25f,
0.25f, -0.25f, -0.25f, -0.25f, -0.25f, -0.25f, -0.25f, -0.25f, 0.25f,
// top
-0.25f, 0.25f, -0.25f, 0.25f, 0.25f, -0.25f, 0.25f, 0.25f, 0.25f,
0.25f, 0.25f, 0.25f, -0.25f, 0.25f, 0.25f, -0.25f, 0.25f, -0.25f
};
GL.GenBuffers(Buffers.GetCount(), Buffers.Names);
GL.BindBuffer(BufferTarget.ArrayBuffer, Buffers.GetName(Buffers.Type.VERTEX));
GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr)(sizeof(float) * 4 * vertexData.Length),
vertexData, BufferUsageHint.StaticDraw);
GL.BindBuffer(BufferTarget.ArrayBuffer, 0);
GL.BindBuffer(BufferTarget.AtomicCounterBuffer, Buffers.GetName(Buffers.Type.ATOMIC_COUNTER));
GL.BufferData(BufferTarget.AtomicCounterBuffer, (IntPtr)sizeof(uint),
IntPtr.Zero, BufferUsageHint.DynamicCopy);
GL.BindBuffer(BufferTarget.AtomicCounterBuffer, 0);
return(true);
}