public void Draw(TextHandle handle)
{
VboTextHandle vbo = (VboTextHandle)handle;
//GL.PushClientAttrib(ClientAttribMask.ClientVertexArrayBit);
//GL.EnableClientState(EnableCap.TextureCoordArray);
GL.EnableClientState(EnableCap.VertexArray);
GL.BindBuffer(BufferTarget.ArrayBuffer, vbo.vbo_id);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, vbo.ebo_id);
GL.TexCoordPointer(2, TexCoordPointerType.Float, vector2_size, (IntPtr)vector2_size);
GL.VertexPointer(2, VertexPointerType.Float, vector2_size, IntPtr.Zero);
GL.DrawElements(BeginMode.Triangles, vbo.element_count, DrawElementsType.UnsignedShort, IntPtr.Zero);
//GL.DrawArrays(BeginMode.LineLoop, 0, vbo.element_count);
GL.BindBuffer(BufferTarget.ArrayBuffer, 0);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, 0);
GL.DisableClientState(EnableCap.VertexArray);
//GL.DisableClientState(EnableCap.TextureCoordArray);
//GL.PopClientAttrib();
}
public TextHandle Load(Vector2[] vertices, ushort[] indices, int index_count)
{
VboTextHandle handle = new VboTextHandle(++allocated_handles);
GL.GenBuffers(1, out handle.vbo_id);
GL.BindBuffer(BufferTarget.ArrayBuffer, handle.vbo_id);
GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr)(vertices.Length * vector2_size), vertices,
BufferUsageHint.StaticDraw);
GL.BindBuffer(BufferTarget.ArrayBuffer, 0);
GL.GenBuffers(1, out handle.ebo_id);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, handle.ebo_id);
GL.BufferData(BufferTarget.ElementArrayBuffer, (IntPtr)(indices.Length * sizeof(ushort)), indices,
BufferUsageHint.StaticDraw);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, 0);
handle.element_count = indices.Length;
return(handle);
}
public TextHandle Load(Vector2[] vertices, ushort[] indices, int index_count)
{
VboTextHandle handle = new VboTextHandle(++allocated_handles);
GL.GenBuffers(1, out handle.vbo_id);
GL.BindBuffer(BufferTarget.ArrayBuffer, handle.vbo_id);
GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr)(vertices.Length * vector2_size), vertices,
BufferUsageHint.StaticDraw);
GL.BindBuffer(BufferTarget.ArrayBuffer, 0);
GL.GenBuffers(1, out handle.ebo_id);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, handle.ebo_id);
GL.BufferData(BufferTarget.ElementArrayBuffer, (IntPtr)(indices.Length * sizeof(ushort)), indices,
BufferUsageHint.StaticDraw);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, 0);
handle.element_count = indices.Length;
return handle;
}
