public NuklearRenderer(NuklearDevice device)
{
Device = device;
_frameBuffered = Device as IFrameBuffered;
_nuklearContext = (nk_context *)ManagedAlloc(sizeof(nk_context));
_allocator = (nk_allocator *)ManagedAlloc(sizeof(nk_allocator));
_fontAtlas = (nk_font_atlas *)ManagedAlloc(sizeof(nk_font_atlas));
_nullTexture = (nk_draw_null_texture *)ManagedAlloc(sizeof(nk_draw_null_texture));
_convertConfig = (nk_convert_config *)ManagedAlloc(sizeof(nk_convert_config));
_commands = (nk_buffer *)ManagedAlloc(sizeof(nk_buffer));
_vertices = (nk_buffer *)ManagedAlloc(sizeof(nk_buffer));
_indices = (nk_buffer *)ManagedAlloc(sizeof(nk_buffer));
_vertexLayout = (nk_draw_vertex_layout_element *)ManagedAlloc(sizeof(nk_draw_vertex_layout_element) * 4);
_vertexLayout[0] = new nk_draw_vertex_layout_element(nk_draw_vertex_layout_attribute.NK_VERTEX_POSITION,
nk_draw_vertex_layout_format.NK_FORMAT_FLOAT,
Marshal.OffsetOf(typeof(nk_vertex), nameof(nk_vertex.position)));
_vertexLayout[1] = new nk_draw_vertex_layout_element(nk_draw_vertex_layout_attribute.NK_VERTEX_TEXCOORD,
nk_draw_vertex_layout_format.NK_FORMAT_FLOAT,
Marshal.OffsetOf(typeof(nk_vertex), nameof(nk_vertex.uv)));
_vertexLayout[2] = new nk_draw_vertex_layout_element(nk_draw_vertex_layout_attribute.NK_VERTEX_COLOR,
nk_draw_vertex_layout_format.NK_FORMAT_R8G8B8A8,
Marshal.OffsetOf(typeof(nk_vertex), nameof(nk_vertex.color)));
_vertexLayout[3] = nk_draw_vertex_layout_element.NK_VERTEX_LAYOUT_END;
_alloc = (_, _, size) => ManagedAlloc(size);
_free = (_, old) => ManagedFree(old);
_allocator->alloc_nkpluginalloct = Marshal.GetFunctionPointerForDelegate(_alloc);
_allocator->free_nkpluginfreet = Marshal.GetFunctionPointerForDelegate(_free);
Nuklear.nk_init(_nuklearContext, _allocator, null);
Device.Init();
FontStash(Device.FontStash);
_convertConfig->shape_AA = nk_anti_aliasing.NK_ANTI_ALIASING_ON;
_convertConfig->line_AA = nk_anti_aliasing.NK_ANTI_ALIASING_ON;
_convertConfig->vertex_layout = _vertexLayout;
_convertConfig->vertex_size = new IntPtr(sizeof(nk_vertex));
_convertConfig->vertex_alignment = new IntPtr(1);
_convertConfig->circle_segment_count = 22;
_convertConfig->curve_segment_count = 22;
_convertConfig->arc_segment_count = 22;
_convertConfig->global_alpha = 1.0f;
_convertConfig->null_tex = *_nullTexture;
Nuklear.nk_buffer_init(_commands, _allocator, new IntPtr(4 * 1024));
Nuklear.nk_buffer_init(_vertices, _allocator, new IntPtr(4 * 1024));
Nuklear.nk_buffer_init(_indices, _allocator, new IntPtr(4 * 1024));
NuklearUI.InitializeContext(_nuklearContext);
}