void RenderLight(Light light)
{
lightWorldVar.SetMatrixTranspose(light.World);
lightPositionRadiusVar.Set(new Vector4(light.Position, light.Radius));
lightColorVar.Set(light.Color);
lightAccumulationPass.Apply(_immediateContext);
_immediateContext.DrawIndexed(pointLightVolumeIndices.Length, 0, 0);
}
void SetSceneConstants()
{
FreeLook freelook = Demo.FreeLook;
Vector3 up = MathHelper.Convert(freelook.Up);
Vector3 eye = MathHelper.Convert(freelook.Eye);
Vector4 eyePosition = new Vector4(eye, 1);
sceneConstants.View = Matrix.LookAtLH(eye, MathHelper.Convert(freelook.Target), up);
Matrix.PerspectiveFovLH(FieldOfView, AspectRatio, _nearPlane, FarPlane, out sceneConstants.Projection);
Matrix.Invert(ref sceneConstants.View, out sceneConstants.ViewInverse);
Texture2DDescription depthBuffer = lightDepthTexture.Description;
Vector3 lightPosition = sunLightDirection * -60;
Matrix lightView = Matrix.LookAtLH(lightPosition, Vector3.Zero, up);
//Matrix lightProjection = Matrix.OrthoLH(depthBuffer.Width / 8.0f, depthBuffer.Height / 8.0f, _nearPlane, FarPlane);
Matrix lightProjection = Matrix.PerspectiveFovLH(FieldOfView, (float)depthBuffer.Width / (float)depthBuffer.Height, _nearPlane, FarPlane);
sceneConstants.LightViewProjection = lightView * lightProjection;
DataStream data;
_immediateContext.MapSubresource(sceneConstantsBuffer, MapMode.WriteDiscard, SharpDX.Direct3D11.MapFlags.None, out data);
Marshal.StructureToPtr(sceneConstants, data.DataPointer, false);
_immediateContext.UnmapSubresource(sceneConstantsBuffer, 0);
data.Dispose();
sunLightDirectionVar.Set(new Vector4(sunLightDirection, 1));
Matrix overlayMatrix = Matrix.Scaling(info.Width / _width, info.Height / _height, 1.0f);
overlayMatrix *= Matrix.Translation(-(_width - info.Width) / _width, (_height - info.Height) / _height, 0.0f);
overlayViewProjectionVar.SetMatrix(overlayMatrix);
lightProjectionVar.SetMatrixTranspose(ref sceneConstants.Projection);
lightViewVar.SetMatrixTranspose(ref sceneConstants.View);
lightViewInverseVar.SetMatrix(ref sceneConstants.ViewInverse);
lightViewportWidthVar.Set(_width);
lightViewportHeightVar.Set(_height);
lightEyePositionVar.Set(ref eyePosition);
float tanHalfFovY = (float)Math.Tan(FieldOfView * 0.5f);
float tanHalfFovX = tanHalfFovY * AspectRatio;
float projectionA = FarPlane / (FarPlane - _nearPlane);
float projectionB = -projectionA * _nearPlane;
Vector4 viewParameters = new Vector4(tanHalfFovX, tanHalfFovY, projectionA, projectionB);
lightViewParametersVar.Set(ref viewParameters);
viewportWidthVar.Set(_width);
viewportHeightVar.Set(_height);
viewParametersVar.Set(ref viewParameters);
}
void IScene.Render()
{
Device device = _cachedDevice;
if (device == null)
{
throw new InvalidOperationException("Rendering failed because device is null");
}
if (device.IsDisposed)
{
throw new InvalidOperationException("Rendering failed because device is disposed");
}
if (_altaxoCamera == null)
{
throw new InvalidOperationException("Rendering failed because camera is null");
}
if (_altaxoDrawingGeometry == null)
{
throw new InvalidOperationException("Rendering failed because drawing is null");
}
UseNextTriangleDeviceBuffers();
float time = _renderCounter / 100f;
++_renderCounter;
Matrix worldViewProjTr; // world-view matrix, transposed
if (null != _altaxoCamera)
{
var cam = _altaxoCamera;
var eye = cam.EyePosition;
var target = cam.TargetPosition;
var up = cam.UpVector;
//view = Matrix.LookAtRH(new Vector3((float)eye.X, (float)eye.Y, (float)eye.Z), new Vector3((float)target.X, (float)target.Y, (float)target.Z), new Vector3((float)up.X, (float)up.Y, (float)up.Z));
//var viewProjD3D = (cam as PerspectiveCamera).GetLookAtRHTimesPerspectiveRHMatrix(_hostSize.Y / _hostSize.X);
var viewProjD3D = cam.GetViewProjectionMatrix(_hostSize.Y / _hostSize.X);
worldViewProjTr = new Matrix(
(float)viewProjD3D.M11, (float)viewProjD3D.M21, (float)viewProjD3D.M31, (float)viewProjD3D.M41,
(float)viewProjD3D.M12, (float)viewProjD3D.M22, (float)viewProjD3D.M32, (float)viewProjD3D.M42,
(float)viewProjD3D.M13, (float)viewProjD3D.M23, (float)viewProjD3D.M33, (float)viewProjD3D.M43,
(float)viewProjD3D.M14, (float)viewProjD3D.M24, (float)viewProjD3D.M34, (float)viewProjD3D.M44
);
}
else
{
var view = Matrix.LookAtRH(new Vector3(0, 0, -1500), new Vector3(0, 0, 0), Vector3.UnitY);
var proj = Matrix.PerspectiveFovRH((float)Math.PI / 4.0f, (float)(_hostSize.X / _hostSize.Y), 0.1f, float.MaxValue);
var viewProj = Matrix.Multiply(view, proj);
// Update WorldViewProj Matrix
worldViewProjTr = viewProj;
worldViewProjTr.Transpose();
}
// World projection and camera
_evWorldViewProj.SetMatrixTranspose(ref worldViewProjTr);
_evEyePosition.Set(ToVector3(_altaxoCamera.EyePosition));
// lighting
_lighting.SetLighting(_altaxoLightSettings, _altaxoCamera);
// Material is separate for each buffer, therefore it is set there
foreach (var entry in _thisTriangleDeviceBuffers[1]) // Position-Color
{
DrawPositionColorIndexedTriangleBuffer(device, entry, worldViewProjTr);
}
foreach (var entry in _thisTriangleDeviceBuffers[3]) // Position-Normal
{
DrawPositionNormalIndexedTriangleBuffer(device, entry, worldViewProjTr);
}
foreach (var entry in _thisTriangleDeviceBuffers[4]) // Position-Normal-Color
{
DrawPositionNormalColorIndexedTriangleBuffer(device, entry, worldViewProjTr);
}
foreach (var entry in _thisTriangleDeviceBuffers[6]) // Position-Normal-U
{
DrawPositionNormalUIndexedTriangleBuffer(device, entry, worldViewProjTr);
}
// ------------------ end of document geometry drawing ----------------------------------
// ------------------ start of marker geometry drawing ----------------------------------
var markerTriangles = _markerGeometryTriangleDeviceBuffer;
if (null != markerTriangles)
{
DrawPositionColorIndexedTriangleBufferNoMaterial(device, markerTriangles, worldViewProjTr);
}
var markerLines = _markerGeometryLineListBuffer;
if (null != markerLines && markerLines.VertexCount > 0)
{
DrawPositionColorLineListBufferNoMaterial(device, markerLines, worldViewProjTr);
}
// ------------------ end of marker geometry drawing ----------------------------------
// ------------------ start of overlay geometry drawing ----------------------------------
var overlayTriangles = _overlayGeometryTriangleDeviceBuffer;
if (null != overlayTriangles)
{
DrawPositionColorIndexedTriangleBufferNoMaterial(device, overlayTriangles, worldViewProjTr);
}
var overlayLines = _overlayGeometryLineListBuffer;
if (null != overlayLines && overlayLines.VertexCount > 0)
{
DrawPositionColorLineListBufferNoMaterial(device, overlayLines, worldViewProjTr);
}
// ------------------ end of overlay geometry drawing ----------------------------------
}