public void Run()
{
using (var form = new Form())
{
_form = form;
form.Text = "ImGui.NET on LightDx";
form.ClientSize = new Size(800, 600);
form.KeyDown += OnKeyDown;
form.KeyUp += OnKeyUp;
using (var device = LightDevice.Create(form))
{
_device = device;
var target = new RenderTarget(device.GetDefaultTarget());
target.Apply();
Pipeline pipeline = device.CompilePipeline(InputTopology.Triangle,
ShaderSource.FromResource("Shader.fx", ShaderType.Vertex | ShaderType.Pixel));;
_pipeline = pipeline;
pipeline.SetResource(0, CreateFontTexture());
pipeline.SetBlender(Blender.AlphaBlender);
pipeline.Apply();
var input = pipeline.CreateVertexDataProcessor <Vertex>();
_inputDataProcessor = input;
var constant = pipeline.CreateConstantBuffer <VSConstant>();
pipeline.SetConstant(ShaderType.Vertex, 0, constant);
void UpdateWindowSize()
{
constant.Value.Width = device.ScreenWidth;
constant.Value.Height = device.ScreenHeight;
constant.Update();
}
device.ResolutionChanged += (sender, e) => UpdateWindowSize();
UpdateWindowSize();
form.Show();
device.RunLoop(delegate()
{
target.ClearAll();
RenderFrame();
device.Present(true);
});
}
}
}
private void InitializeRendering()
{
_renderWindow = new Form();
_renderWindow.FormBorderStyle = FormBorderStyle.None;
_renderWindow.TopLevel = false;
_renderWindow.Parent = this;
_renderWindow.Dock = DockStyle.Fill;
_renderWindow.Show();
_device = LightDevice.Create(_renderWindow);
_device.AutoResize = false; //We don't use loop, so AutoResize is not checked.
_spriteDebug = new Sprite(_device);
_spriteFont = new TextureFontCache(_device, SystemFonts.DefaultFont);
_target = new RenderTargetList(_device.GetDefaultTarget(Color.AliceBlue.WithAlpha(1)), _device.CreateDepthStencilTarget());
_target.Apply();
_modelPipeline = _device.CompilePipeline(InputTopology.Point,
ShaderSource.FromResource("Model.fx", ShaderType.Vertex | ShaderType.Geometry | ShaderType.Pixel));
_inputProcessor = _modelPipeline.CreateVertexDataProcessor <Voxel>();
_vsConstant = _modelPipeline.CreateConstantBuffer <Matrix4x4>();
_modelPipeline.SetConstant(ShaderType.Vertex, 0, _vsConstant);
_gsConstant = _modelPipeline.CreateConstantBuffer <GSConstant>();
_modelPipeline.SetConstant(ShaderType.Geometry, 0, _gsConstant);
_camera = new Camera(_device, new Vector3(0, 0, 0));
_camera.SetForm(_renderWindow);
_renderWindowLastWidth = _renderWindow.ClientSize.Width;
_renderWindowLastHeight = _renderWindow.ClientSize.Height;
ResizeBegin += RenderWindow_ResizeBegin;
ResizeEnd += RenderWindow_ResizeEnd;
_renderWindow.ResizeBegin += RenderWindow_ResizeBegin;
_renderWindow.ResizeEnd += RenderWindow_ResizeEnd;
_renderWindow.ClientSizeChanged += RenderWindow_ClientSizeChanged;
_renderWindow.DoubleClick += delegate(object obj, EventArgs e)
{
ResetCamera();
};
}
public unsafe VertexDataProcessor <T> CreateVertexDataProcessor <T>()
where T : unmanaged
{
if (_disposed)
{
throw new ObjectDisposedException("Pipeline");
}
var layoutDecl = VertexDataProcessor <T> .CreateLayoutFromType(0);
using (var layout = new ComScopeGuard())
{
fixed(InputElementDescription *d = layoutDecl)
{
Device.CreateInputLayout(_device.DevicePtr, d, (uint)layoutDecl.Length,
Blob.GetBufferPointer(_signatureBlob), Blob.GetBufferSize(_signatureBlob), out layout.Ptr).Check();
}
return(new VertexDataProcessor <T>(_device, layout.Move()));
}
}
public Sprite(LightDevice device)
{
_device = device;
device.AddComponent(this);
_pipeline = device.CompilePipeline(InputTopology.Triangle,
ShaderSource.FromString(PipelineCode, ShaderType.Vertex | ShaderType.Pixel));
_pipeline.SetBlender(Blender.AlphaBlender);
_vertexProcessor = _pipeline.CreateVertexDataProcessor <Vertex>();
_array = new[] {
new Vertex {
TexCoord = new Vector4(0, 0, 0, 0), Position = new Vector4(0, 0, 0, 0)
},
new Vertex {
TexCoord = new Vector4(1, 0, 0, 0), Position = new Vector4(1, 0, 0, 0)
},
new Vertex {
TexCoord = new Vector4(0, 1, 0, 0), Position = new Vector4(0, 1, 0, 0)
},
new Vertex {
TexCoord = new Vector4(0, 1, 0, 0), Position = new Vector4(0, 1, 0, 0)
},
new Vertex {
TexCoord = new Vector4(1, 0, 0, 0), Position = new Vector4(1, 0, 0, 0)
},
new Vertex {
TexCoord = new Vector4(1, 1, 0, 0), Position = new Vector4(1, 1, 0, 0)
},
};
_buffer = _vertexProcessor.CreateDynamicBuffer(6);
_constant = _pipeline.CreateConstantBuffer <VSConstant>();
_pipeline.SetConstant(ShaderType.Vertex, 0, _constant);
}
