protected override void Draw()
{
// Render 3D targets.
glEnable(GL_DEPTH_TEST);
glEnable(GL_CULL_FACE);
glDepthFunc(GL_LEQUAL);
activeLoop.DrawTargets();
mainTarget.Apply();
activeLoop.Draw();
// Render 2D targets.
glDisable(GL_DEPTH_TEST);
glDisable(GL_CULL_FACE);
glDepthFunc(GL_NEVER);
canvas.DrawTargets(sb);
// Draw to the main screen.
glBindFramebuffer(GL_FRAMEBUFFER, 0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glViewport(0, 0, (uint)Resolution.WindowWidth, (uint)Resolution.WindowHeight);
sb.ApplyTarget(null);
mainSprite.Draw(sb);
canvas.Draw(sb);
sb.Flush();
}
public void DrawTargets()
{
renderTarget.Apply();
localCamera.Update(0);
vec3[] cameraBox = DrawViewBox(camera.OrthoWidth, camera.OrthoHeight, camera.NearPlane, camera.FarPlane,
vec3.Zero, camera.Orientation, Color.Green, out vec3 center);
vec3 light = batch.Light.Direction;
quat lightOrientation = new quat(mat4.LookAt(vec3.Zero, light, vec3.UnitY));
vec3[] transformed = cameraBox.Select(p => p * lightOrientation.Inverse).ToArray();
//localCamera.Position = center - light * 25;
//localCamera.Orientation = new quat(mat4.LookAt(vec3.Zero, light, vec3.UnitY));
float left = transformed.Min(p => p.x);
float right = transformed.Max(p => p.x);
float top = transformed.Max(p => p.y);
float bottom = transformed.Min(p => p.y);
float near = batch.ShadowNearPlane;
float far = batch.ShadowFarPlane;
vec3 shadowPosition = center - batch.Light.Direction * (far - near) / 2;
DrawViewBox(right - left, top - bottom, near, far, shadowPosition, lightOrientation, Color.Yellow,
out center);
primitives.Flush();
}
public void DrawTargets()
{
const int OrthoSize = 8;
glDisable(GL_CULL_FACE);
mat4 lightView = mat4.LookAt(-lightDirection * 10, vec3.Zero, vec3.UnitY);
mat4 lightProjection = mat4.Ortho(-OrthoSize, OrthoSize, -OrthoSize, OrthoSize, 0.1f, 100);
mat4[] bones =
{
bone1,
bone2
};
lightMatrix = lightProjection * lightView;
shadowMapTarget.Apply();
shadowMapShader.Apply();
shadowMapShader.SetUniform("bones[0]", bones);
model.RecomputeWorldMatrix();
shadowMapShader.SetUniform("lightMatrix", lightMatrix * model.WorldMatrix);
Draw(model.Mesh);
}
unsafe void OnRenderModel()
{
if (mRenderer == null)
{
return;
}
mTarget.Clear();
mTarget.Apply();
var ctx = WorldFrame.Instance.GraphicsContext;
var vp = ctx.Viewport;
ctx.Context.Rasterizer.SetViewport(new Viewport(0, 0, ImgWidth, ImgHeight, 0.0f, 1.0f));
ctx.Context.VertexShader.SetConstantBuffer(0, mMatrixBuffer.Native);
mRenderer.RenderPortrait();
mTarget.Remove();
ctx.Context.Rasterizer.SetViewport(vp);
ctx.Context.ResolveSubresource(mTarget.Texture, 0, mResolveTexture, 0, Format.B8G8R8A8_UNorm);
ctx.Context.CopyResource(mResolveTexture, mMapTexture);
var box = ctx.Context.MapSubresource(mMapTexture, 0, MapMode.Read, MapFlags.None);
var bmp = new Bitmap(ImgWidth, ImgHeight, PixelFormat.Format32bppArgb);
var bmpd = bmp.LockBits(new Rectangle(0, 0, bmp.Width, bmp.Height), ImageLockMode.WriteOnly,
PixelFormat.Format32bppArgb);
byte *ptrDst = (byte *)bmpd.Scan0.ToPointer();
byte *ptrSrc = (byte *)box.DataPointer.ToPointer();
for (var i = 0; i < bmp.Height; ++i)
{
UnsafeNativeMethods.CopyMemory(ptrDst + i * bmp.Width * 4, ptrSrc + i * box.RowPitch, bmp.Width * 4);
}
bmp.UnlockBits(bmpd);
ctx.Context.UnmapSubresource(mMapTexture, 0);
//Cache thumbnail
if (mThumbnailCaptureFrame > 0 && --mThumbnailCaptureFrame == 0)
{
renderTimer.Stop();
Bitmap thumbnail = new Bitmap(ImgWidth, ImgHeight);
using (var g = System.Drawing.Graphics.FromImage(thumbnail))
{
g.Clear(Color.Black);
g.DrawImage(bmp, new PointF(0, 0));
}
ThumbnailCache.Cache(mRenderer.Model.FileName, thumbnail);
if (mModels.Count > 0) //More models so render next
{
LoadModel();
}
}
}
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);
});
}
}
}
public void DrawTargets()
{
modelTarget.Apply();
// Note that by this point, the scene's shadow map should have already been computed.
var renderer = Scene.Renderer;
renderer.VpMatrix = viewOrientation;
renderer.Draw();
shader.Apply();
Sky.Target.Bind(0);
modelTarget.Bind(1);
}
public void DrawTargets()
{
if (!IsEnabled)
{
return;
}
Light.RecomputeMatrices(VpMatrix);
shadowMapTarget.Apply();
DrawShadow(modelRenderer);
DrawShadow(spriteBatch3D);
DrawShadow(skeletonRenderer);
}
public void DrawTargets(float t)
{
if (!IsDrawEnabled)
{
return;
}
Light.Recompute(t);
Light.RecomputeMatrices(camera);
shadowMapTarget.Apply();
DrawShadow(modelRenderer, t);
DrawShadow(spriteBatch3D, t);
DrawShadow(skeletonRenderer, t);
}
unsafe void OnRenderModel()
{
if (mRenderer == null)
{
return;
}
mTarget.Clear();
mTarget.Apply();
var ctx = WorldFrame.Instance.GraphicsContext;
var vp = ctx.Viewport;
ctx.Context.Rasterizer.SetViewport(new Viewport(0, 0, ClientSize.Width, ClientSize.Height, 0.0f, 1.0f));
ctx.Context.VertexShader.SetConstantBuffer(0, mMatrixBuffer.Native);
mRenderer.OnFrame();
mTarget.Remove();
ctx.Context.Rasterizer.SetViewport(vp);
ctx.Context.ResolveSubresource(mTarget.Texture, 0, mResolveTexture, 0, SharpDX.DXGI.Format.B8G8R8A8_UNorm);
ctx.Context.CopyResource(mResolveTexture, mMapTexture);
var box = ctx.Context.MapSubresource(mMapTexture, 0, MapMode.Read, MapFlags.None);
var bmp = new Bitmap(ClientSize.Width, ClientSize.Height, PixelFormat.Format32bppArgb);
var bmpd = bmp.LockBits(new System.Drawing.Rectangle(0, 0, bmp.Width, bmp.Height), ImageLockMode.WriteOnly,
PixelFormat.Format32bppArgb);
byte *ptrDst = (byte *)bmpd.Scan0.ToPointer();
byte *ptrSrc = (byte *)box.DataPointer.ToPointer();
for (var i = 0; i < bmp.Height; ++i)
{
UnsafeNativeMethods.CopyMemory(ptrDst + i * bmp.Width * 4, ptrSrc + i * box.RowPitch, bmp.Width * 4);
}
bmp.UnlockBits(bmpd);
if (mPaintBitmap != null)
{
mPaintBitmap.Dispose();
}
mPaintBitmap = bmp;
ctx.Context.UnmapSubresource(mMapTexture, 0);
Invalidate();
}
public void DrawTargets()
{
const int OrthoSize = 8;
glDisable(GL_CULL_FACE);
mat4 lightView = mat4.LookAt(-LightDirection * 10, vec3.Zero, vec3.UnitY);
mat4 lightProjection = mat4.Ortho(-OrthoSize, OrthoSize, -OrthoSize, OrthoSize, 0.1f, 100);
lightMatrix = lightProjection * lightView;
shadowMapTarget.Apply();
shadowMapShader.Apply();
foreach (ModelHandle handle in handles)
{
Model model = handle.Model;
model.RecomputeWorldMatrix();
shadowMapShader.SetUniform("lightMatrix", lightMatrix * model.WorldMatrix);
Draw(handle);
}
}
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);
});
}
}
