private static Vbo genVBO <TVertex>(TVertex[] vertices, short[] elements) where TVertex : struct
{
Debug.Trace("VBOCube generated -> vertices: " + vertices.Length + "; elements: " + elements.Length);
Vbo vbo = new Vbo();
int size;
GL.GenBuffers(1, out vbo.vboID);
GL.BindBuffer(BufferTarget.ArrayBuffer, vbo.vboID);
GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr)(vertices.Length * BlittableValueType.StrideOf(vertices)), vertices, BufferUsageHint.StaticDraw);
//GL.BufferData<Vertex>(BufferTarget.ArrayBuffer, (IntPtr)(vertices.Length * Vertex.SizeInBytes), vertices, BufferUsageHint.StaticDraw);
//GL.InterleavedArrays(InterleavedArrayFormat.C4ubV3f, 0, IntPtr.Zero);
GL.GetBufferParameter(BufferTarget.ArrayBuffer, BufferParameterName.BufferSize, out size);
if (vertices.Length * BlittableValueType.StrideOf(vertices) != size)
{
throw new ApplicationException("Vertex data not uploaded correctly");
}
GL.GenBuffers(1, out vbo.eboID);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, vbo.eboID);
GL.BufferData(BufferTarget.ElementArrayBuffer, (IntPtr)(elements.Length * sizeof(short)), elements, BufferUsageHint.StaticDraw);
GL.GetBufferParameter(BufferTarget.ElementArrayBuffer, BufferParameterName.BufferSize, out size);
if (elements.Length * sizeof(short) != size)
{
throw new ApplicationException("Element data not uploaded correctly");
}
vbo.numElements = elements.Length;
vbo.sizeOfVertices = BlittableValueType.StrideOf(vertices);
return(vbo);
}
public VBOPrimitive(int name, VertexPositionColor[] vertices, short[] elements)
: base(name)
{
if (!wasGenerated)
{
vbo = genVBO(vertices, elements);
wasGenerated = true;
}
}
