protected virtual void Render(IRenderer renderer)
{
//Get the window's swap chain
SwapChain swapChain = _window.SwapChain;
//Primary drawing to the window, sets the backbuffer render targets and clears them
swapChain.Clear(_clearColor);
if (_wireFrame)
{
renderer.EnforcedRasterizerState = RasterizerState.CullNoneWireframe;
}
OnRenderPre(renderer);
//Draw the scenegraph
_rootNode.Draw(renderer);
//Debbuging for bounding volumes
if (_debugBounds)
{
GeometryDebugger.DrawBounds(_rootNode, renderer);
}
//Debugging for normals and tangents/binormals if they exist for the mesh
if (_debugNormals)
{
GeometryDebugger.DrawTangentBasis(_rootNode, renderer);
}
if (_wireFrameSolid)
{
renderer.RenderQueue.SortAndRender();
//renderer.EnforcedRasterizerState = RasterizerState.CullNoneWireframe;
RasterizerState rs = new RasterizerState();
rs.Cull = CullMode.None;
rs.DepthBias = -100;
rs.SlopeScaledDepthBias = 5f;
rs.Fill = FillMode.WireFrame;
renderer.EnforcedRasterizerState = rs;
renderer.EnforcedMaterial = _wireFrameSolidMat;
renderer.RenderQueue.RenderBuckets();
renderer.RenderQueue.ClearBuckets();
renderer.ClearEnforcedStates();
renderer.EnforcedMaterial = null;
}
else
{
//Finally sort the render queue and draw remaining elements
renderer.RenderQueue.SortRenderClear();
}
//Any extra rendering
OnRenderPost(renderer);
if (_wireFrame || _wireFrameSolid)
{
renderer.ClearEnforcedState(RenderStateType.RasterizerState);
}
//Lastly, draw GUI - we do this via a spritebatch and do it last
//so it's rendered over everything (including anything from OnRender()
DrawInstructions(renderer);
//Present to the window
swapChain.Present();
//Count the frame for FPS display
CountFrame();
}
