public LightRenderer(
MeshRenderer pointLightVolume,
//MeshRenderer spotLightVolume,
ScreenAlignedQuadRenderer saQuad,
GBuffer gbuffer)
{
this.Lights = new List <PerLight>();
//this.spotLightVolume = spotLightVolume;
this.pointLightVolume = pointLightVolume;
this.saQuad = saQuad;
this.gbuffer = gbuffer;
}
public override void Run()
{
GBuffer gbuffer = ToDispose(new GBuffer(this.RenderTargetSize.Width,
this.RenderTargetSize.Height,
new SampleDescription(1, 0),
Format.R8G8B8A8_UNorm,
Format.R32_UInt,
Format.R8G8B8A8_UNorm));
gbuffer.Initialize(this);
GBuffer gbufferMS = ToDispose(new GBuffer(this.RenderTargetSize.Width,
this.RenderTargetSize.Height,
new SampleDescription(4, 0),
Format.R8G8B8A8_UNorm,
Format.R32_UInt,
Format.R8G8B8A8_UNorm));
gbufferMS.Initialize(this);
ScreenAlignedQuadRenderer saQuad = ToDispose(new ScreenAlignedQuadRenderer());
saQuad.Initialize(this);
#region Create renderers
// Note: the renderers take care of creating their own
// device resources and listen for DeviceManager.OnInitialize
// Create Light accumulator
var sphereMesh = Common.Mesh.LoadFromFile("Sphere.cmo").FirstOrDefault();
//var coneMesh = Common.Mesh.LoadFromFile("Cone.cmo").FirstOrDefault();
var sphereRenderer = ToDispose(new MeshRenderer(sphereMesh));
sphereRenderer.Initialize(this);
//var coneRenderer = new MeshRenderer(coneMesh);
//coneRenderer.Initialize(this);
var lightRenderer = ToDispose(new LightRenderer(sphereRenderer, saQuad, gbuffer));
var lightRendererMS = ToDispose(new LightRenderer(sphereRenderer, saQuad, gbufferMS));
lightRenderer.Lights.Add(new PerLight
{
Color = new Color4(0.2f, 0.2f, 0.2f, 1.0f),
Position = new Vector3(1, 1, 1),
Direction = new Vector3(0, 0, 1),
Range = 10,
Type = LightType.Ambient
});
//lightRenderer.Lights.Add(new PerLight
//{
// Color = new Color4(0.2f, 0.2f, 0.2f, 1.0f),
// Direction = new Vector3(0, -1, 1),
// Type = LightType.Directional
//});
lightRenderer.Lights.Add(new PerLight
{
Color = Color.LightPink,
Position = new Vector3(22.4f, 2.6f, -8.98f),
Range = 20,
Type = LightType.Point
});
lightRenderer.Lights.Add(new PerLight
{
Color = new Color4(1.0f, 1.0f, 1.0f, 1.0f),
Position = new Vector3(0, 10, 1),
Range = 10,
Type = LightType.Point
});
var aLight = new PerLight
{
Color = new Color4(1.0f, 0.0f, 0.0f, 1.0f),
Position = new Vector3(9.86f, 10.92f, -6.74f),
Range = 20,
Type = LightType.Point
};
lightRenderer.Lights.Add(aLight);
aLight.Color = Color.Blue;
aLight.Position.X = 2.32f;
lightRenderer.Lights.Add(aLight);
aLight.Color = Color.LightYellow;
aLight.Position.X = -1.0f;
lightRenderer.Lights.Add(aLight);
aLight.Color = Color.Cyan;
aLight.Position.X = -5.11f;
lightRenderer.Lights.Add(aLight);
aLight.Color = Color.Lime;
aLight.Position.X = -8.33f;
lightRenderer.Lights.Add(aLight);
aLight.Color = Color.AliceBlue;
aLight.Position.X = -12.55f;
lightRenderer.Lights.Add(aLight);
aLight.Position.Z = 5.02f;
aLight.Color = Color.Red;
aLight.Position.X = 9.86f;
lightRenderer.Lights.Add(aLight);
aLight.Color = Color.Blue;
aLight.Position.X = 2.32f;
lightRenderer.Lights.Add(aLight);
aLight.Color = Color.LightYellow;
aLight.Position.X = -1.0f;
lightRenderer.Lights.Add(aLight);
aLight.Color = Color.Cyan;
aLight.Position.X = -5.11f;
lightRenderer.Lights.Add(aLight);
aLight.Color = Color.Lime;
aLight.Position.X = -8.33f;
lightRenderer.Lights.Add(aLight);
aLight.Color = Color.AliceBlue;
aLight.Position.X = -12.55f;
lightRenderer.Lights.Add(aLight);
//lightRenderer.Lights.Add(new PerLight
//{
// Color = new Color4(1.0f, 1.0f, 1.0f, 1.0f),
// Position = new Vector3(-2, 1, 2),
// Direction = new Vector3(0, -1, 0),
// Range = 2f,
// Type = LightType.Spot,
// SpotInnerCosine = (float)Math.Cos(0.4) / 2.0f,
// SpotOuterCosine = (float)Math.Cos(1) / 2.0f,
//});
lightRenderer.Initialize(this);
lightRendererMS.Lights.AddRange(lightRenderer.Lights);
lightRendererMS.Initialize(this);
// Create a axis-grid renderer
var axisGrid = ToDispose(new AxisGridRenderer());
axisGrid.Initialize(this);
// Create and initialize the mesh renderer
var loadedMesh = Common.Mesh.LoadFromFile("Sponza.cmo");
//var loadedMesh = Common.Mesh.LoadFromFile("Scene.cmo");
List<MeshRenderer> meshes = new List<MeshRenderer>();
meshes.AddRange((from mesh in loadedMesh
select ToDispose(new MeshRenderer(mesh))));
meshes.ForEach(m => m.Initialize(this));
var meshWorld = Matrix.Identity;
// Set the first animation as the current animation and start clock
meshes.ForEach(m => {
if (m.Mesh.Animations != null && m.Mesh.Animations.Any())
m.CurrentAnimation = m.Mesh.Animations.First().Value;
m.Clock.Start();
});
// Create and initialize a Direct2D FPS text renderer
var fps = ToDispose(new Common.FpsRenderer("Calibri", Color.CornflowerBlue, new Point(8, 8), 16));
fps.Initialize(this);
// Create and initialize a general purpose Direct2D text renderer
// This will display some instructions and the current view and rotation offsets
var textRenderer = ToDispose(new Common.TextRenderer("Calibri", Color.CornflowerBlue, new Point(8, 40), 12));
textRenderer.Initialize(this);
#endregion
// Initialize the world matrix
var worldMatrix = Matrix.Identity;
// Set the camera position slightly behind (z)
var cameraPosition = new Vector3(15, 15, -1);
var cameraTarget = new Vector3(-15, 5, -1); // Looking at the origin 0,0,0
var cameraUp = Vector3.UnitY; // Y+ is Up
// Prepare matrices
// Create the view matrix from our camera position, look target and up direction
var viewMatrix = Matrix.LookAtRH(cameraPosition, cameraTarget, cameraUp);
viewMatrix.TranslationVector += new Vector3(0, -0.98f, 0);
// Create the projection matrix
/* FoV 60degrees = Pi/3 radians */
// Aspect ratio (based on window size), Near clip, Far clip
var projectionMatrix = Matrix.PerspectiveFovRH((float)Math.PI / 3f, Width / (float)Height, 2f, 100f);
// Maintain the correct aspect ratio on resize
Window.Resize += (s, e) =>
{
projectionMatrix = Matrix.PerspectiveFovRH((float)Math.PI / 3f, Width / (float)Height, 2f, 100f);
};
#region Rotation and window event handlers
// Create a rotation vector to keep track of the rotation
// around each of the axes
var rotation = new Vector3(0.0f, 0.0f, 0.0f);
var gbufferIndex = -1;
Dictionary<Keys, bool> keyToggles = new Dictionary<Keys, bool>();
keyToggles[Keys.Z] = false;
keyToggles[Keys.F] = false;
keyToggles[Keys.M] = false;
keyToggles[Keys.PrintScreen] = false;
// We will call this action to update text
// for the text renderer
Action updateText = () =>
{
textRenderer.Text =
String.Format(
"{0} (+/- to change)"+
"\n{1} (M to toggle)",
gbufferIndex > -1 ? DebugGBuffer[gbufferIndex].DebugName : gbufferIndex < -1 ? "Forward Render (1 light)" : "Deferred with 15 lights",
gbufferIndex == -2 || keyToggles[Keys.M] ? "Multisampled" : "No anti-aliasing"
);
};
// Support keyboard/mouse input to rotate or move camera view
var moveFactor = 0.02f; // how much to change on each keypress
var shiftKey = false;
var ctrlKey = false;
var background = Color.White;
var showNormals = false;
var enableNormalMap = true;
Window.KeyDown += (s, e) =>
{
var context = DeviceManager.Direct3DContext;
shiftKey = e.Shift;
ctrlKey = e.Control;
switch (e.KeyCode)
{
case Keys.Add:
gbufferIndex++;
if (gbufferIndex >= DebugGBuffer.Count)
gbufferIndex = -2;
break;
case Keys.Subtract:
gbufferIndex--;
if (gbufferIndex < -2)
gbufferIndex = DebugGBuffer.Count - 1;
break;
// WASD -> pans view
case Keys.A:
viewMatrix.TranslationVector += new Vector3(moveFactor * 12, 0f, 0f);
break;
case Keys.D:
viewMatrix.TranslationVector -= new Vector3(moveFactor * 12, 0f, 0f);
break;
case Keys.S:
if (shiftKey)
viewMatrix.TranslationVector += new Vector3(0f, moveFactor * 12, 0f);
else
viewMatrix.TranslationVector -= new Vector3(0f, 0f, 1) * moveFactor * 12;
break;
case Keys.W:
if (shiftKey)
viewMatrix.TranslationVector -= new Vector3(0f, moveFactor * 12, 0f);
else
viewMatrix.TranslationVector += new Vector3(0f, 0f, 1) * moveFactor * 12;
break;
// Up/Down and Left/Right - rotates around X / Y respectively
// (Mouse wheel rotates around Z)
case Keys.Down:
worldMatrix *= Matrix.RotationX(moveFactor);
rotation += new Vector3(moveFactor, 0f, 0f);
break;
case Keys.Up:
worldMatrix *= Matrix.RotationX(-moveFactor);
rotation -= new Vector3(moveFactor, 0f, 0f);
break;
case Keys.Left:
worldMatrix *= Matrix.RotationY(moveFactor);
rotation += new Vector3(0f, moveFactor, 0f);
break;
case Keys.Right:
worldMatrix *= Matrix.RotationY(-moveFactor);
rotation -= new Vector3(0f, moveFactor, 0f);
break;
case Keys.T:
fps.Show = !fps.Show;
textRenderer.Show = !textRenderer.Show;
break;
case Keys.B:
if (background == Color.White)
{
background = new Color(30, 30, 34);
}
else
{
background = Color.White;
}
break;
case Keys.G:
axisGrid.Show = !axisGrid.Show;
break;
case Keys.P:
// Pause or resume mesh animation
meshes.ForEach(m => {
if (m.Clock.IsRunning)
m.Clock.Stop();
else
m.Clock.Start();
});
break;
case Keys.X:
// To test for correct resource recreation
// Simulate device reset or lost.
System.Diagnostics.Debug.WriteLine(SharpDX.Diagnostics.ObjectTracker.ReportActiveObjects());
DeviceManager.Initialize(DeviceManager.Dpi);
System.Diagnostics.Debug.WriteLine(SharpDX.Diagnostics.ObjectTracker.ReportActiveObjects());
break;
case Keys.Z:
keyToggles[Keys.Z] = !keyToggles[Keys.Z];
if (keyToggles[Keys.Z])
{
context.PixelShader.Set(depthPixelShader);
}
else
{
context.PixelShader.Set(pixelShader);
}
break;
case Keys.F:
keyToggles[Keys.F] = !keyToggles[Keys.F];
RasterizerStateDescription rasterDesc;
if (context.Rasterizer.State != null)
rasterDesc = context.Rasterizer.State.Description;
else
rasterDesc = new RasterizerStateDescription()
{
CullMode = CullMode.Back,
FillMode = FillMode.Solid
};
if (keyToggles[Keys.F])
{
rasterDesc.FillMode = FillMode.Wireframe;
context.Rasterizer.State = ToDispose(new RasterizerState(context.Device, rasterDesc));
}
else
{
rasterDesc.FillMode = FillMode.Solid;
context.Rasterizer.State = ToDispose(new RasterizerState(context.Device, rasterDesc));
}
break;
case Keys.M:
keyToggles[Keys.M] = !keyToggles[Keys.M];
break;
case Keys.N:
if (!shiftKey)
showNormals = !showNormals;
else
enableNormalMap = !enableNormalMap;
break;
case Keys.D1:
context.PixelShader.Set(pixelShader);
break;
//case Keys.D2:
// context.PixelShader.Set(lambertShader);
// break;
//case Keys.D3:
// context.PixelShader.Set(phongShader);
// break;
case Keys.D4:
context.PixelShader.Set(blinnPhongShader);
break;
case Keys.Insert:
keyToggles[Keys.PrintScreen] = true;
break;
}
updateText();
};
Window.KeyUp += (s, e) =>
{
// Clear the shift/ctrl keys so they aren't sticky
if (e.KeyCode == Keys.ShiftKey)
shiftKey = false;
if (e.KeyCode == Keys.ControlKey)
ctrlKey = false;
};
Window.MouseWheel += (s, e) =>
{
if (shiftKey)
{
// Zoom in/out
viewMatrix.TranslationVector += new Vector3(0f, 0f, (e.Delta / 120f) * moveFactor * 2);
}
else
{
// rotate around Z-axis
viewMatrix *= Matrix.RotationZ((e.Delta / 120f) * moveFactor);
rotation += new Vector3(0f, 0f, (e.Delta / 120f) * moveFactor);
}
updateText();
};
var lastX = 0;
var lastY = 0;
Window.MouseDown += (s, e) =>
{
if (e.Button == MouseButtons.Left)
{
lastX = e.X;
lastY = e.Y;
}
};
Window.MouseMove += (s, e) =>
{
if (e.Button == MouseButtons.Left)
{
var yRotate = lastX - e.X;
var xRotate = lastY - e.Y;
lastY = e.Y;
lastX = e.X;
// Mouse move changes
viewMatrix *= Matrix.RotationX(-xRotate * moveFactor);
viewMatrix *= Matrix.RotationY(-yRotate * moveFactor);
updateText();
}
};
// Display instructions with initial values
updateText();
#endregion
var clock = new System.Diagnostics.Stopwatch();
clock.Start();
#region Render loop
// Create and run the render loop
RenderLoop.Run(Window, () =>
{
// Start of frame:
// Retrieve immediate context
var context = DeviceManager.Direct3DContext;
// Clear depth stencil view
context.ClearDepthStencilView(DepthStencilView, DepthStencilClearFlags.Depth | DepthStencilClearFlags.Stencil, 1.0f, 0);
// Clear render target view
context.ClearRenderTargetView(RenderTargetView, background);
// Create viewProjection matrix
var viewProjection = Matrix.Multiply(viewMatrix, projectionMatrix);
var boundingFrustum = new BoundingFrustum(viewProjection);
// Extract camera position from view
var camPosition = Matrix.Transpose(Matrix.Invert(viewMatrix)).Column4;
cameraPosition = new Vector3(camPosition.X, camPosition.Y, camPosition.Z);
// If Keys.CtrlKey is down, auto rotate viewProjection based on time
var time = clock.ElapsedMilliseconds / 1000.0f;
var perFrame = new ConstantBuffers.PerFrame();
perFrame.Light.Color = new Color(0.8f, 0.8f, 0.8f, 1.0f);
var lightDir = Vector3.Transform(new Vector3(1f, -1f, -1f), worldMatrix);
perFrame.Light.Direction = new Vector3(lightDir.X, lightDir.Y, lightDir.Z);// new Vector3(Vector3.Transform(new Vector3(1f, -1f, 1f), worldMatrix * Matrix.RotationAxis(Vector3.UnitY, time)).ToArray().Take(3).ToArray());
perFrame.CameraPosition = cameraPosition;
context.UpdateSubresource(ref perFrame, perFrameBuffer);
// Render each object
var perMaterial = new ConstantBuffers.PerMaterial();
perMaterial.Ambient = new Color4(0.2f);
perMaterial.Diffuse = Color.White;
perMaterial.Emissive = new Color4(0);
perMaterial.Specular = Color.White;
perMaterial.SpecularPower = 20f;
perMaterial.UVTransform = Matrix.Identity;
context.UpdateSubresource(ref perMaterial, perMaterialBuffer);
if (showNormals)
context.GeometryShader.Set(debugNormals);
var perObject = new ConstantBuffers.PerObject();
// MESH
// Provide the material constant buffer to the mesh renderer
context.VertexShader.Set(vertexShader);
context.PixelShader.Set(blinnPhongShader);
int drawn = 0;
if (gbufferIndex == -2)
{
// Regular forward rendering
meshes.ForEach((m) =>
{
perObject.World = m.World * worldMatrix;
var center = Vector3.Transform(m.Mesh.Extent.Center, perObject.World);
var offset = new Vector3(center.X, center.Y, center.Z) - m.Mesh.Extent.Center;
var cullCheck = boundingFrustum.Contains(new BoundingBox(m.Mesh.Extent.Min + offset, m.Mesh.Extent.Max + offset));
if (cullCheck == ContainmentType.Intersects || cullCheck == ContainmentType.Contains)
{
perObject.WorldInverseTranspose = Matrix.Transpose(Matrix.Invert(perObject.World));
perObject.WorldViewProjection = perObject.World * viewProjection;
perObject.ViewProjection = viewProjection;
perObject.Transpose();
context.UpdateSubresource(ref perObject, perObjectBuffer);
m.EnableNormalMap = enableNormalMap;
m.PerMaterialBuffer = perMaterialBuffer;
m.PerArmatureBuffer = perArmatureBuffer;
m.Render();
drawn++;
}
});
}
else
{
GBuffer activeGBuffer = gbuffer;
LightRenderer activeLightRenderer = lightRenderer;
if (keyToggles[Keys.M])
{
activeGBuffer = gbufferMS;
activeLightRenderer = lightRendererMS;
}
// Deferred rendering
context.VertexShader.Set(fillGBufferVS);
context.PixelShader.Set(fillGBufferPS);
activeGBuffer.Clear(context, new Color(0, 0, 0, 0));
activeGBuffer.Bind(context);
meshes.ForEach((m) =>
{
perObject.World = m.World * worldMatrix;
//var center = Vector3.Transform(m.Mesh.Extent.Center, perObject.World);
//var offset = new Vector3(center.X, center.Y, center.Z) - m.Mesh.Extent.Center;
//var cullCheck = boundingFrustum.Contains(new BoundingBox(m.Mesh.Extent.Min + offset, m.Mesh.Extent.Max + offset));
//if (cullCheck == ContainmentType.Intersects || cullCheck == ContainmentType.Contains)
{
perObject.WorldInverseTranspose = Matrix.Transpose(Matrix.Invert(perObject.World));
perObject.WorldViewProjection = perObject.World * viewProjection;
perObject.ViewProjection = viewProjection;
perObject.View = viewMatrix;
perObject.Projection = projectionMatrix;
perObject.InverseView = Matrix.Invert(viewMatrix);
perObject.InverseProjection = Matrix.Invert(projectionMatrix);
perObject.Transpose();
context.UpdateSubresource(ref perObject, perObjectBuffer);
m.EnableNormalMap = enableNormalMap;
m.PerMaterialBuffer = perMaterialBuffer;
m.PerArmatureBuffer = perArmatureBuffer;
m.Render();
drawn++;
}
});
activeGBuffer.Unbind(context);
if (gbufferIndex == -1)
{
// Light pass
sphereRenderer.PerMaterialBuffer = perMaterialBuffer;
sphereRenderer.PerArmatureBuffer = perArmatureBuffer;
//coneRenderer.PerMaterialBuffer = perMaterialBuffer;
//coneRenderer.PerArmatureBuffer = perArmatureBuffer;
context.PixelShader.SetConstantBuffer(0, perObjectBuffer);
perObject.ViewProjection = viewProjection;
perObject.View = viewMatrix;
perObject.Projection = projectionMatrix;
perObject.InverseView = Matrix.Invert(viewMatrix);
perObject.InverseProjection = Matrix.Invert(projectionMatrix);
activeLightRenderer.Debug = gbufferIndex;
activeLightRenderer.Clear(context);
activeLightRenderer.Frustum = new BoundingFrustum(projectionMatrix);
activeLightRenderer.PerObject = perObject;
activeLightRenderer.PerObjectBuffer = perObjectBuffer;
activeLightRenderer.Bind(context);
activeLightRenderer.Render();
activeLightRenderer.Unbind(context);
context.OutputMerger.SetRenderTargets(this.DepthStencilView, this.RenderTargetView);
// Render the light buffer
saQuad.Shader = null; // use default shader
saQuad.ShaderResources = new[] { activeLightRenderer.SRV };
saQuad.Render();
// reset shader resources
saQuad.ShaderResources = null;
}
else
{
// Bind the output render targets
context.OutputMerger.SetRenderTargets(this.DepthStencilView, this.RenderTargetView);
// Render debug shaders
saQuad.ShaderResources = activeGBuffer.SRVs.ToArray().Concat(new[] { activeGBuffer.DSSRV }).ToArray();
perObject.World = worldMatrix;
perObject.WorldInverseTranspose = Matrix.Transpose(Matrix.Invert(perObject.World));
perObject.WorldViewProjection = perObject.World * viewProjection;
perObject.ViewProjection = viewProjection;
perObject.View = viewMatrix;
perObject.InverseView = Matrix.Invert(viewMatrix);
perObject.Projection = projectionMatrix;
perObject.InverseProjection = Matrix.Invert(projectionMatrix);
perObject.Transpose();
context.UpdateSubresource(ref perObject, perObjectBuffer);
context.PixelShader.SetConstantBuffer(0, perObjectBuffer);
if (keyToggles[Keys.M])
saQuad.Shader = DebugGBufferMS[gbufferIndex];
else
saQuad.Shader = DebugGBuffer[gbufferIndex];
saQuad.Render();
}
}
// Render FPS
fps.Render();
// Render instructions + position changes
textRenderer.Render();
if (keyToggles[Keys.PrintScreen])
{
keyToggles[Keys.PrintScreen] = false;
//using (var resource = this.RenderTargetView.ResourceAs<Texture2D>())
//using (var bm = CopyTexture.SaveToBitmap(DeviceManager, resource))
//{
// bm.Save("RT0.png");
//}
CopyTexture.SaveToFile(DeviceManager, lightRenderer.SRV.ResourceAs<Texture2D>(), "test.dds");
gbuffer.SaveToFiles();
//using (var resource = this.RenderTargetView.ResourceAs<Texture2D>())
//using (var bm0 = CopyTexture.SaveToWICBitmap(DeviceManager, resource))
//using (var bm1 = CopyTexture.SaveToWICBitmap(DeviceManager, gbuffer.RT1))
//using (var bm2 = CopyTexture.SaveToWICBitmap(DeviceManager, gbuffer.RT2))
//using (var bm3 = CopyTexture.SaveToWICBitmap(DeviceManager, gbuffer.DS0))
//using (var bm4 = CopyTexture.SaveToWICBitmap(DeviceManager, this.DepthBuffer))
//{
//CopyTexture.SaveToFile(DeviceManager, gbuffer.RT0, "RT0.dds");
//CopyTexture.SaveToFile(DeviceManager, resource, "test.dds");
//CopyTexture.SaveToFile(DeviceManager, this.DepthBuffer, "DepthBuffer.png", SharpDX.DXGI.Format.R32_Float);
//if (bm0 != null)
// CopyTexture.SaveBitmap(DeviceManager, bm0, "RT0.png");
//if (bm1 != null)
// CopyTexture.SaveBitmap(DeviceManager, bm1, "RT1.png");
//if (bm2 != null)
// CopyTexture.SaveBitmap(DeviceManager, bm2, "RT2.png");
//if (bm3 != null)
// CopyTexture.SaveBitmap(DeviceManager, bm3, "DS0.png");
//if (bm4 != null)
// CopyTexture.SaveBitmap(DeviceManager, bm3, "DepthBuffer.png");
//}
}
// Present the frame
Present();
});
#endregion
}