public unsafe bool DrawFrame(Action <int, int> draw, [CallerMemberName] string?frameName = null)
{
var clearColor = new Color4(0.0f, 0.2f, 0.4f, 1.0f);
DeviceContext.ClearRenderTargetView(RenderTargetView, clearColor);
if (DepthStencilView != null)
{
DeviceContext.ClearDepthStencilView(DepthStencilView, DepthStencilClearFlags.Depth, 1.0f, 0);
}
DeviceContext.OMSetRenderTargets(RenderTargetView, DepthStencilView);
DeviceContext.RSSetViewport(new Viewport(Size.Width, Size.Height));
DeviceContext.RSSetScissorRect(Size.Width, Size.Height);
DeviceContext.IASetPrimitiveTopology(PrimitiveTopology.TriangleList);
DeviceContext.VSSetShader(_vertexShader);
DeviceContext.PSSetShader(_pixelShader);
DeviceContext.IASetInputLayout(_inputLayout);
DeviceContext.IASetVertexBuffer(0, _vertexBuffer, sizeof(VertexPositionColor));
DeviceContext.Draw(3, 0);
// Call callback.
draw(Size.Width, Size.Height);
if (SwapChain != null)
{
Result result = SwapChain.Present(1, PresentFlags.None);
if (result.Failure &&
result.Code == Vortice.DXGI.ResultCode.DeviceRemoved.Code)
{
return(false);
}
}
return(true);
}