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);
});
}
}
}
static void Main(string[] args)
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
var form = new Form
{
ClientSize = new Size(800, 600),
Text = "Tutorial 4: Buffers, Shaders, and HLSL",
};
using (var device = LightDevice.Create(form))
{
//---------------------
// Target & Pipeline
//---------------------
var target = new RenderTarget(device.GetDefaultTarget());
target.Apply();
Pipeline pipeline = device.CompilePipeline(InputTopology.Triangle,
ShaderSource.FromResource("Color_vs.fx", ShaderType.Vertex),
ShaderSource.FromResource("Color_ps.fx", ShaderType.Pixel));
pipeline.Apply();
//---------------------
// Vertex buffer
//---------------------
var vertexDataProcessor = pipeline.CreateVertexDataProcessor <Vertex>();
var vertexBuffer = vertexDataProcessor.CreateImmutableBuffer(new[] {
new Vertex {
Position = new Vector4(-1, -1, 0, 1), Color = new Vector4(0, 1, 0, 1)
},
new Vertex {
Position = new Vector4(0, 1, 0, 1), Color = new Vector4(0, 1, 0, 1)
},
new Vertex {
Position = new Vector4(1, -1, 0, 1), Color = new Vector4(0, 1, 0, 1)
},
});
//---------------------
// Index buffer
//---------------------
var indexBuffer = pipeline.CreateImmutableIndexBuffer(new uint[] { 0, 1, 2 });
//---------------------
// Constant buffer (VS)
//---------------------
var constantBuffer = pipeline.CreateConstantBuffer <Constants>();
pipeline.SetConstant(ShaderType.Vertex, 0, constantBuffer);
void SetupProjMatrix()
{
constantBuffer.Value.Projection =
device.CreatePerspectiveFieldOfView((float)Math.PI / 4).Transpose();
}
device.ResolutionChanged += (sender, e) => SetupProjMatrix();
constantBuffer.Value.World = Matrix4x4.Identity.Transpose();
SetupProjMatrix();
//---------------------
// Camera
//---------------------
var camera = new Camera();
//---------------------
// Start main loop
//---------------------
form.Show();
device.RunMultithreadLoop(delegate()
{
// Update matrix
constantBuffer.Value.View = camera.GetViewMatrix().Transpose();
constantBuffer.Update();
// Clear and draw
target.ClearAll();
indexBuffer.DrawAll(vertexBuffer);
device.Present(true);
});
}
}
static void Main(string[] args)
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
var form = new Form
{
ClientSize = new Size(800, 600),
Text = "Tutorial 7: 3D Model Rendering",
};
using (var device = LightDevice.Create(form))
{
//---------------------
// Target & Pipeline
//---------------------
var target = new RenderTarget(device.GetDefaultTarget(),
device.CreateDefaultDepthStencilTarget());
target.Apply();
Pipeline pipeline = device.CompilePipeline(InputTopology.Triangle,
ShaderSource.FromResource("Light_vs.fx", ShaderType.Vertex),
ShaderSource.FromResource("Light_ps.fx", ShaderType.Pixel));
pipeline.Apply();
//---------------------
// Vertex buffer
//---------------------
var vertexDataProcessor = pipeline.CreateVertexDataProcessor <ModelVertex>();
VertexBuffer vertexBuffer;
using (var stream = Assembly.GetEntryAssembly().GetManifestResourceStream("Tutorial07.Cube.txt"))
{
vertexBuffer = vertexDataProcessor.CreateImmutableBuffer(Model.ReadModelFile(stream));
}
//---------------------
// Constant buffer (VS)
//---------------------
var constantBufferVS = pipeline.CreateConstantBuffer <VSConstants>();
pipeline.SetConstant(ShaderType.Vertex, 0, constantBufferVS);
void SetupProjMatrix()
{
constantBufferVS.Value.Projection =
device.CreatePerspectiveFieldOfView((float)Math.PI / 4).Transpose();
}
device.ResolutionChanged += (sender, e) => SetupProjMatrix();
constantBufferVS.Value.World = Matrix4x4.Identity.Transpose();
SetupProjMatrix();
//---------------------
// Constant buffer (PS)
//---------------------
var constantBufferPS = pipeline.CreateConstantBuffer <PSConstants>();
pipeline.SetConstant(ShaderType.Pixel, 0, constantBufferPS);
constantBufferPS.Value.Diffuse = Color.White.WithAlpha(1);
constantBufferPS.Value.LightDir = Vector3.Normalize(new Vector3(-3f, -4f, 6f));
constantBufferPS.Update();
//---------------------
// Texture
//---------------------
Texture2D tex;
using (var stream = Assembly.GetEntryAssembly().GetManifestResourceStream("Tutorial07.seafloor.dds"))
{
tex = device.CreateTexture2D(stream);
}
pipeline.SetResource(0, tex);
//---------------------
// Camera
//---------------------
var camera = new Camera();
//---------------------
// Start main loop
//---------------------
form.Show();
var frameCounter = new FrameCounter();
frameCounter.Start();
device.RunMultithreadLoop(delegate()
{
// Update matrix
var time = frameCounter.NextFrame() / 1000;
Matrix4x4 rotate = Matrix4x4.CreateRotationX(time * 3) *
Matrix4x4.CreateRotationY(time * 6) *
Matrix4x4.CreateRotationZ(time * 4);
constantBufferVS.Value.World *= rotate;
constantBufferVS.Value.View = camera.GetViewMatrix().Transpose();
constantBufferVS.Update();
// Clear and draw
target.ClearAll();
vertexBuffer.DrawAll();
device.Present(true);
});
}
}
static void Main(string[] args)
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
var form = new Form
{
ClientSize = new Size(800, 600),
Text = "Tutorial 21: Specular Mapping",
};
using (var device = LightDevice.Create(form))
{
//---------------------
// Target & Pipeline
//---------------------
var target = new RenderTarget(device.GetDefaultTarget(),
device.CreateDefaultDepthStencilTarget());
target.Apply();
Pipeline pipeline = device.CompilePipeline(InputTopology.Triangle,
ShaderSource.FromResource("SpecMap_vs.fx", ShaderType.Vertex),
ShaderSource.FromResource("SpecMap_ps.fx", ShaderType.Pixel));
pipeline.Apply();
//---------------------
// Vertex buffer
//---------------------
var vertexDataProcessor = pipeline.CreateVertexDataProcessor <ModelVertex>();
VertexBuffer vertexBuffer;
using (var stream = Assembly.GetEntryAssembly().GetManifestResourceStream("Tutorial21.cube.txt"))
{
vertexBuffer = vertexDataProcessor.CreateImmutableBuffer(Model.ReadModelFile(stream));
}
//---------------------
// Constant buffer (Matrix, VS)
//---------------------
var matrixBuffer = pipeline.CreateConstantBuffer <MatrixBuffer>();
pipeline.SetConstant(ShaderType.Vertex, 0, matrixBuffer);
void SetupProjMatrix()
{
matrixBuffer.Value.Projection =
device.CreatePerspectiveFieldOfView((float)Math.PI / 4).Transpose();
}
device.ResolutionChanged += (sender, e) => SetupProjMatrix();
matrixBuffer.Value.World = Matrix4x4.Identity.Transpose();
SetupProjMatrix();
//---------------------
// Constant buffer (Camera, VS)
//---------------------
var cameraBuffer = pipeline.CreateConstantBuffer <CameraBuffer>();
pipeline.SetConstant(ShaderType.Vertex, 1, cameraBuffer);
//---------------------
// Constant buffer (Light, PS)
//---------------------
var lightBuffer = pipeline.CreateConstantBuffer <LightBuffer>();
pipeline.SetConstant(ShaderType.Pixel, 0, lightBuffer);
lightBuffer.Value.DiffuseColor = Color.White.WithAlpha(1);
lightBuffer.Value.LightDirection = Vector3.Normalize(new Vector3(0, 0, 1));
lightBuffer.Value.SpecularColor = Color.White.WithAlpha(1);
lightBuffer.Value.SpecularPower = 16;
lightBuffer.Update();
//---------------------
// Texture
//---------------------
Texture2D CreateTextureFromResource(string name)
{
using (var stream = Assembly.GetEntryAssembly().GetManifestResourceStream($"Tutorial21.{name}.dds"))
{
return(device.CreateTexture2D(stream));
}
}
var tex1 = CreateTextureFromResource("stone02");
var tex2 = CreateTextureFromResource("bump02");
var tex3 = CreateTextureFromResource("spec02");
pipeline.SetResource(0, tex1);
pipeline.SetResource(1, tex2);
pipeline.SetResource(2, tex3);
//---------------------
// Camera
//---------------------
var camera = new Camera();
//---------------------
// Start main loop
//---------------------
form.Show();
var frameCounter = new FrameCounter();
frameCounter.Start();
device.RunMultithreadLoop(delegate()
{
// Update matrix buffer
var time = frameCounter.NextFrame() / 1000;
Matrix4x4 rotate = Matrix4x4.CreateRotationX(time * 3) *
Matrix4x4.CreateRotationY(time * 6) *
Matrix4x4.CreateRotationZ(time * 4);
matrixBuffer.Value.World *= rotate;
matrixBuffer.Value.View = camera.GetViewMatrix().Transpose();
matrixBuffer.Update();
// Update camera buffer
cameraBuffer.Value.CameraPosition = camera.Position;
cameraBuffer.Update();
// Clear and draw
target.ClearAll();
vertexBuffer.DrawAll();
device.Present(true);
});
}
}
// Free the graphics library
internal static void Shutdown()
{
Texture.ClearAll();
Shader.ClearAll();
RenderTarget.ClearAll();
}
