/// <summary>
///
/// </summary>
/// <param name="width"></param>
/// <param name="height"></param>
public void Resize(int newWidth, int newHeight)
{
SafeDispose(ref viewHdrFrame);
SafeDispose(ref Bloom0);
SafeDispose(ref Bloom1);
// clamp values :
newWidth = Math.Max(128, newWidth);
newHeight = Math.Max(128, newHeight);
int targetWidth = newWidth;
int targetHeight = newHeight;
int bloomWidth = (targetWidth / 2) & 0xFFF0;
int bloomHeight = (targetHeight / 2) & 0xFFF0;
viewHdrFrame = new HdrFrame(Game, targetWidth, targetHeight);
Bloom0 = new RenderTarget2D(Game.GraphicsDevice, ColorFormat.Rgba16F, bloomWidth, bloomHeight, true, false);
Bloom1 = new RenderTarget2D(Game.GraphicsDevice, ColorFormat.Rgba16F, bloomWidth, bloomHeight, true, false);
//HdrTexture = new TargetTexture( HdrBuffer );
//DiffuseTexture = new TargetTexture( DiffuseBuffer );
//SpecularTexture = new TargetTexture( SpecularBuffer );
//NormalMapTexture = new TargetTexture( NormalMapBuffer );
}
/// <summary>
///
/// </summary>
void ClearBuffers(HdrFrame frame)
{
Game.GraphicsDevice.Clear(frame.GBuffer0.Surface, Color4.Black);
Game.GraphicsDevice.Clear(frame.GBuffer1.Surface, Color4.Black);
Game.GraphicsDevice.Clear(frame.FeedbackBufferRB.Surface, Color4.Zero);
Game.GraphicsDevice.Clear(frame.FeedbackBuffer.Surface, Color4.Zero);
Game.GraphicsDevice.Clear(frame.DepthBuffer.Surface, 1, 0);
Game.GraphicsDevice.Clear(frame.HdrBuffer.Surface, Color4.Black);
}
/// <summary>
/// Renders sky with specified technique
/// </summary>
/// <param name="rendCtxt"></param>
/// <param name="techName"></param>
internal void Render(Camera camera, StereoEye stereoEye, HdrFrame frame, SkySettings settings)
{
using (new PixEvent("Sky Rendering")) {
var scale = Matrix.Scaling(settings.SkySphereSize);
var rotation = Matrix.Identity;
var sunPos = settings.SunPosition;
var sunColor = settings.SunGlowColor;
device.ResetStates();
//rs.DepthStencilState = depthBuffer==null? DepthStencilState.None : DepthStencilState.Default ;
device.SetTargets(frame.DepthBuffer.Surface, frame.HdrBuffer.Surface);
var viewMatrix = camera.GetViewMatrix(stereoEye);
var projMatrix = camera.GetProjectionMatrix(stereoEye);
skyConstsData.MatrixWVP = scale * rotation * MathUtil.Transformation(viewMatrix.Right, viewMatrix.Up, viewMatrix.Backward) * projMatrix;
skyConstsData.SunPosition = sunPos;
skyConstsData.SunColor = sunColor;
skyConstsData.Turbidity = settings.SkyTurbidity;
skyConstsData.Temperature = Temperature.Get(settings.SunTemperature);
skyConstsData.SkyIntensity = settings.SkyIntensity;
skyConstsCB.SetData(skyConstsData);
device.VertexShaderConstants[0] = skyConstsCB;
device.PixelShaderConstants[0] = skyConstsCB;
//
// Sky :
//
SkyFlags flags = SkyFlags.SKY;
ApplyColorSpace(ref flags, settings);
device.PipelineState = factory[(int)flags];
device.SetupVertexInput(skyVB, null);
device.Draw(skyVB.Capacity, 0);
device.ResetStates();
}
}
/// <summary>
///
/// </summary>
/// <param name="gameTime"></param>
internal void Render(GameTime gameTime, Camera camera, StereoEye stereoEye, HdrFrame viewFrame)
{
if (rs.SkipParticles)
{
return;
}
var view = camera.GetViewMatrix(stereoEye);
var projection = camera.GetProjectionMatrix(stereoEye);
var colorTarget = viewFrame.HdrBuffer.Surface;
var depthTarget = viewFrame.DepthBuffer.Surface;
var viewport = new Viewport(0, 0, colorTarget.Width, colorTarget.Height);
RenderGeneric("Particles", gameTime, camera, viewport, view, projection, colorTarget, null, viewFrame.DepthBuffer, Flags.DRAW);
}
/// <summary>
/// Creates ViewLayerHDR instance
/// </summary>
/// <param name="Game">Game engine</param>
/// <param name="width">Target width.</param>
/// <param name="height">Target height.</param>
public RenderWorld(Game game, int width, int height)
{
Game = game;
this.rs = Game.RenderSystem;
Camera = new Camera();
var vp = Game.GraphicsDevice.DisplayBounds;
if (width <= 0)
{
width = vp.Width;
}
if (height <= 0)
{
height = vp.Height;
}
HdrSettings = new HdrSettings();
SkySettings = new SkySettings();
DofSettings = new DofSettings();
FogSettings = new FogSettings();
Instances = new List <MeshInstance>();
LightSet = new LightSet(Game.RenderSystem);
debug = new DebugRender(Game);
particleSystem = new ParticleSystem(Game.RenderSystem, this);
MeasuredOld = new RenderTarget2D(Game.GraphicsDevice, ColorFormat.Rgba32F, 1, 1);
MeasuredNew = new RenderTarget2D(Game.GraphicsDevice, ColorFormat.Rgba32F, 1, 1);
radianceFrame = new HdrFrame(Game, 512, 512);
Radiance = new RenderTargetCube(Game.GraphicsDevice, ColorFormat.Rgba16F, RenderSystem.EnvMapSize, true);
RadianceCache = new TextureCubeArray(Game.GraphicsDevice, 128, RenderSystem.MaxEnvLights, ColorFormat.Rgba16F, true);
Resize(width, height);
}
/// <summary>
///
/// </summary>
/// <param name="camera"></param>
/// <param name="depthBuffer"></param>
/// <param name="hdrTarget"></param>
/// <param name="diffuse"></param>
/// <param name="specular"></param>
/// <param name="normals"></param>
internal void RenderGBuffer(GameTime gameTime, StereoEye stereoEye, Camera camera, HdrFrame frame, RenderWorld rw, bool staticOnly)
{
using (new PixEvent("RenderGBuffer")) {
if (surfaceShader == null)
{
return;
}
if (rs.SkipSceneRendering)
{
return;
}
var device = Game.GraphicsDevice;
var view = camera.GetViewMatrix(stereoEye);
var projection = camera.GetProjectionMatrix(stereoEye);
var viewPosition = camera.GetCameraPosition4(stereoEye);
var cbData = new CBMeshInstanceData();
var cbDataSubset = new CBSubsetData();
var hdr = frame.HdrBuffer.Surface;
var depth = frame.DepthBuffer.Surface;
var gbuffer0 = frame.GBuffer0.Surface;
var gbuffer1 = frame.GBuffer1.Surface;
var feedback = frame.FeedbackBuffer.Surface;
device.ResetStates();
device.SetTargets(depth, hdr, gbuffer0, gbuffer1, feedback);
device.PixelShaderSamplers[0] = SamplerState.LinearPointClamp;
device.PixelShaderSamplers[1] = SamplerState.PointClamp;
device.PixelShaderSamplers[2] = SamplerState.AnisotropicClamp;
var instances = rw.Instances;
if (instances.Any())
{
device.PixelShaderResources[1] = rs.VTSystem.PageTable;
device.PixelShaderResources[2] = rs.VTSystem.PhysicalPages0;
device.PixelShaderResources[3] = rs.VTSystem.PhysicalPages1;
device.PixelShaderResources[4] = rs.VTSystem.PhysicalPages2;
}
//#warning INSTANSING!
foreach (var instance in instances)
{
if (!instance.Visible)
{
continue;
}
if (staticOnly && !instance.Static)
{
continue;
}
cbData.View = view;
cbData.Projection = projection;
cbData.World = instance.World;
cbData.ViewPos = viewPosition;
cbData.Color = instance.Color;
cbData.ViewBounds = new Vector4(hdr.Width, hdr.Height, hdr.Width, hdr.Height);
cbData.VTPageScaleRCP = rs.VTSystem.PageScaleRCP;
constBuffer.SetData(cbData);
device.PixelShaderConstants[0] = constBuffer;
device.VertexShaderConstants[0] = constBuffer;
device.PixelShaderConstants[1] = constBufferSubset;
device.SetupVertexInput(instance.vb, instance.ib);
if (instance.IsSkinned)
{
constBufferBones.SetData(instance.BoneTransforms);
device.VertexShaderConstants[3] = constBufferBones;
}
try {
device.PipelineState = factory[(int)(SurfaceFlags.GBUFFER | SurfaceFlags.RIGID)];
foreach (var subset in instance.Subsets)
{
var vt = rw.VirtualTexture;
var rect = vt.GetTexturePosition(subset.Name);
cbDataSubset.Rectangle = new Vector4(rect.X, rect.Y, rect.Width, rect.Height);
constBufferSubset.SetData(cbDataSubset);
device.PixelShaderConstants[1] = constBufferSubset;
device.DrawIndexed(subset.PrimitiveCount * 3, subset.StartPrimitive * 3, 0);
}
rs.Counters.SceneDIPs++;
} catch (UbershaderException e) {
Log.Warning(e.Message);
ExceptionDialog.Show(e);
}
}
//
// downsample feedback buffer and readback it to virtual texture :
//
rs.Filter.StretchRect(frame.FeedbackBufferRB.Surface, frame.FeedbackBuffer, SamplerState.PointClamp);
var feedbackBuffer = new VTAddress[HdrFrame.FeedbackBufferWidth * HdrFrame.FeedbackBufferHeight];
frame.FeedbackBufferRB.GetFeedback(feedbackBuffer);
rs.VTSystem.Update(feedbackBuffer, gameTime);
}
}
/// <summary>
///
/// </summary>
/// <param name="camera"></param>
/// <param name="depthBuffer"></param>
/// <param name="hdrTarget"></param>
/// <param name="diffuse"></param>
/// <param name="specular"></param>
/// <param name="normals"></param>
internal void RenderGBuffer ( StereoEye stereoEye, Camera camera, HdrFrame frame, RenderWorld viewLayer )
{
using ( new PixEvent("RenderGBuffer") ) {
if (surfaceShader==null) {
return;
}
if (rs.SkipSceneRendering) {
return;
}
var device = Game.GraphicsDevice;
var view = camera.GetViewMatrix( stereoEye );
var projection = camera.GetProjectionMatrix( stereoEye );
var viewPosition = camera.GetCameraPosition4( stereoEye );
var cbData = new CBMeshInstanceData();
var hdr = frame.HdrBuffer.Surface;
var depth = frame.DepthBuffer.Surface;
var diffuse = frame.DiffuseBuffer.Surface;
var specular = frame.SpecularBuffer.Surface;
var normals = frame.NormalMapBuffer.Surface;
var scattering = frame.ScatteringBuffer.Surface;
device.ResetStates();
device.SetTargets( depth, hdr, diffuse, specular, normals, scattering );
device.PixelShaderSamplers[0] = SamplerState.AnisotropicWrap ;
var instances = viewLayer.Instances;
//#warning INSTANSING!
foreach ( var instance in instances ) {
if (!instance.Visible) {
continue;
}
cbData.View = view;
cbData.Projection = projection;
cbData.World = instance.World;
cbData.ViewPos = viewPosition;
constBuffer.SetData( cbData );
device.PixelShaderConstants[0] = constBuffer ;
device.VertexShaderConstants[0] = constBuffer ;
device.SetupVertexInput( instance.vb, instance.ib );
if (instance.IsSkinned) {
constBufferBones.SetData( instance.BoneTransforms );
device.VertexShaderConstants[3] = constBufferBones ;
}
try {
foreach ( var sg in instance.ShadingGroups ) {
device.PipelineState = instance.IsSkinned ? sg.Material.GBufferSkinned : sg.Material.GBufferRigid;
device.PixelShaderConstants[1] = sg.Material.ConstantBufferParameters;
device.PixelShaderConstants[2] = sg.Material.ConstantBufferUVModifiers;
device.VertexShaderConstants[1] = sg.Material.ConstantBufferParameters;
device.VertexShaderConstants[2] = sg.Material.ConstantBufferUVModifiers;
sg.Material.SetTextures( device );
device.DrawIndexed( sg.IndicesCount, sg.StartIndex, 0 );
rs.Counters.SceneDIPs++;
}
} catch ( UbershaderException e ) {
Log.Warning( e.Message );
ExceptionDialog.Show( e );
}
}
}
}
/// <summary>
///
/// </summary>
/// <param name="gameTime"></param>
internal void Render ( GameTime gameTime, Camera camera, StereoEye stereoEye, HdrFrame viewFrame )
{
var view = camera.GetViewMatrix( stereoEye );
var projection = camera.GetProjectionMatrix( stereoEye );
var colorTarget = viewFrame.HdrBuffer.Surface;
var depthTarget = viewFrame.DepthBuffer.Surface;
var viewport = new Viewport( 0, 0, colorTarget.Width, colorTarget.Height );
RenderGeneric( "Particles", gameTime, camera, viewport, view, projection, colorTarget, null, viewFrame.DepthBuffer, Flags.DRAW );
}
/// <summary>
///
/// </summary>
/// <param name="view"></param>
/// <param name="projection"></param>
internal void RenderLighting(StereoEye stereoEye, Camera camera, HdrFrame hdrFrame, RenderWorld viewLayer, RenderTargetCube envLight)
{
using (new PixEvent("TiledLighting")) {
var view = camera.GetViewMatrix(stereoEye);
var projection = camera.GetProjectionMatrix(stereoEye);
var device = Game.GraphicsDevice;
device.ResetStates();
var width = hdrFrame.HdrBuffer.Width;
var height = hdrFrame.HdrBuffer.Height;
ICSMController csmCtrl = viewLayer.LightSet.DirectLight.CSMController ?? csmController;
int activeCascadeCount = Math.Min(cascadedShadowMap.CascadeCount, csmCtrl.GetActiveCascadeCount());
//
// Setup compute shader parameters and states :
//
try {
var cbData = new LightingParams();
var invView = Matrix.Invert(view);
var invVP = Matrix.Invert(view * projection);
var viewPos = invView.TranslationVector;
cbData.DirectLightDirection = new Vector4(viewLayer.LightSet.DirectLight.Direction, 0);
cbData.DirectLightIntensity = viewLayer.LightSet.DirectLight.Intensity.ToVector4();
cbData.Projection = projection;
cbData.CSMViewProjection0 = csmCtrl.GetShadowViewMatrix(0) * csmCtrl.GetShadowProjectionMatrix(0);
cbData.CSMViewProjection1 = csmCtrl.GetShadowViewMatrix(1) * csmCtrl.GetShadowProjectionMatrix(1);
cbData.CSMViewProjection2 = csmCtrl.GetShadowViewMatrix(2) * csmCtrl.GetShadowProjectionMatrix(2);
cbData.CSMViewProjection3 = csmCtrl.GetShadowViewMatrix(3) * csmCtrl.GetShadowProjectionMatrix(3);
cbData.View = view;
cbData.ViewPosition = new Vector4(viewPos, 1);
cbData.InverseViewProjection = invVP;
cbData.CSMFilterRadius = new Vector4(CSMFilterSize);
cbData.AmbientColor = viewLayer.LightSet.AmbientLevel;
cbData.Viewport = new Vector4(0, 0, width, height);
cbData.ShowCSLoadOmni = ShowOmniLightTileLoad ? 1 : 0;
cbData.ShowCSLoadEnv = ShowEnvLightTileLoad ? 1 : 0;
cbData.ShowCSLoadSpot = ShowSpotLightTileLoad ? 1 : 0;
cbData.CascadeCount = activeCascadeCount;
cbData.CascadeScale = 1.0f / (float)cascadedShadowMap.CascadeCount;
cbData.FogDensity = viewLayer.FogSettings.Density;
ComputeOmniLightsTiles(view, projection, viewLayer.LightSet);
ComputeSpotLightsTiles(view, projection, viewLayer.LightSet);
ComputeEnvLightsTiles(view, projection, viewLayer.LightSet);
ComputeDecalTiles(view, projection, viewLayer.LightSet);
//
// set states :
//
device.SetTargets(null, hdrFrame.HdrBuffer.Surface);
lightingCB.SetData(cbData);
device.ComputeShaderSamplers[0] = SamplerState.PointClamp;
device.ComputeShaderSamplers[1] = SamplerState.LinearClamp;
device.ComputeShaderSamplers[2] = SamplerState.ShadowSampler;
device.ComputeShaderSamplers[3] = SamplerState.LinearPointWrap;
device.ComputeShaderResources[0] = hdrFrame.GBuffer0;
device.ComputeShaderResources[1] = hdrFrame.GBuffer1;
device.ComputeShaderResources[2] = rs.Sky.SkyCube;
device.ComputeShaderResources[4] = hdrFrame.DepthBuffer;
device.ComputeShaderResources[5] = cascadedShadowMap.ColorBuffer;
device.ComputeShaderResources[6] = spotColor;
device.ComputeShaderResources[7] = viewLayer.LightSet.SpotAtlas == null ? rs.WhiteTexture.Srv : viewLayer.LightSet.SpotAtlas.Texture.Srv;
device.ComputeShaderResources[8] = omniLightBuffer;
device.ComputeShaderResources[9] = spotLightBuffer;
device.ComputeShaderResources[10] = envLightBuffer;
device.ComputeShaderResources[11] = rs.SsaoFilter.OcclusionMap;
device.ComputeShaderResources[12] = viewLayer.RadianceCache;
device.ComputeShaderResources[13] = viewLayer.ParticleSystem.SimulatedParticles;
device.ComputeShaderResources[14] = cascadedShadowMap.ParticleShadow;
device.ComputeShaderResources[15] = envLut.Srv;
device.ComputeShaderResources[16] = decalBuffer;
device.ComputeShaderResources[17] = viewLayer.LightSet.DecalAtlas == null ? rs.WhiteTexture.Srv : viewLayer.LightSet.DecalAtlas.Texture.Srv;
device.ComputeShaderConstants[0] = lightingCB;
device.SetCSRWTexture(0, hdrFrame.LightAccumulator.Surface);
device.SetCSRWBuffer(1, viewLayer.ParticleSystem.ParticleLighting);
//
// Dispatch solids :
//
using (new PixEvent("Solid Lighting")) {
device.PipelineState = factory[(int)LightingFlags.SOLIDLIGHTING];
device.Dispatch(MathUtil.IntDivUp(width, BlockSizeX), MathUtil.IntDivUp(height, BlockSizeY), 1);
}
//
// Dispatch particles :
//
using (new PixEvent("Particle Lighting")) {
if (stereoEye != StereoEye.Right && !rs.SkipParticles)
{
int threadGroupCount = MathUtil.IntDivUp(ParticleSystem.MaxSimulatedParticles, ParticleSystem.BlockSize);
device.PipelineState = factory[(int)LightingFlags.PARTICLES];
device.Dispatch(threadGroupCount, 1, 1);
}
}
} catch (UbershaderException e) {
Log.Warning("{0}", e.Message);
}
//
// Add accumulated light :
//
rs.Filter.OverlayAdditive(hdrFrame.HdrBuffer.Surface, hdrFrame.LightAccumulator);
// Uncomment to enable SSS :
#if false
rs.Filter.GaussBlur(hdrFrame.SSSAccumulator, hdrFrame.LightAccumulator, 5, 0);
rs.Filter.OverlayAdditive(hdrFrame.HdrBuffer.Surface, hdrFrame.SSSAccumulator);
#endif
device.ResetStates();
if (rs.ShowLightCounters)
{
var ls = viewLayer.LightSet;
Log.Message("lights: {0,5} omni {1,5} spot {2,5} env", ls.OmniLights.Count, ls.SpotLights.Count, ls.EnvLights.Count);
}
}
}
/// <summary>
/// Renders sky with specified technique
/// </summary>
/// <param name="rendCtxt"></param>
/// <param name="techName"></param>
internal void Render( Camera camera, StereoEye stereoEye, HdrFrame frame, SkySettings settings )
{
var scale = Matrix.Scaling( settings.SkySphereSize );
var rotation = Matrix.Identity;
var sunPos = settings.SunPosition;
var sunColor = settings.SunGlowColor;
rs.ResetStates();
//rs.DepthStencilState = depthBuffer==null? DepthStencilState.None : DepthStencilState.Default ;
rs.SetTargets( frame.DepthBuffer.Surface, frame.HdrBuffer.Surface );
var viewMatrix = camera.GetViewMatrix( stereoEye );
var projMatrix = camera.GetProjectionMatrix( stereoEye );
skyConstsData.MatrixWVP = scale * rotation * MathUtil.Transformation( viewMatrix.Right, viewMatrix.Up, viewMatrix.Backward ) * projMatrix;
skyConstsData.SunPosition = sunPos;
skyConstsData.SunColor = sunColor;
skyConstsData.Turbidity = settings.SkyTurbidity;
skyConstsData.Temperature = Temperature.Get( settings.SunTemperature );
skyConstsData.SkyIntensity = settings.SkyIntensity;
skyConstsCB.SetData( skyConstsData );
rs.VertexShaderConstants[0] = skyConstsCB;
rs.PixelShaderConstants[0] = skyConstsCB;
//
// Sky :
//
SkyFlags flags = SkyFlags.SKY;
ApplyColorSpace( ref flags, settings );
rs.PipelineState = factory[(int)flags];
rs.SetupVertexInput( skyVB, null );
rs.Draw( skyVB.Capacity, 0 );
rs.ResetStates();
}
/// <summary>
///
/// </summary>
/// <param name="gameTime"></param>
internal void Render ( GameTime gameTime, Camera camera, StereoEye stereoEye, HdrFrame viewFrame )
{
var device = Game.GraphicsDevice;
device.ResetStates();
device.SetTargets( viewFrame.DepthBuffer, viewFrame.HdrBuffer );
device.SetViewport( 0,0,viewFrame.HdrBuffer.Width, viewFrame.HdrBuffer.Height );
int w = device.DisplayBounds.Width;
int h = device.DisplayBounds.Height;
//var map = "SV_POSITION.xyzw;COLOR0.xyzw;COLOR1.xyzw;TEXCOORD0.xyzw;TEXCOORD1.xyzw;TEXCOORD2.xyzw";
Params param = new Params();
//param.View = Matrix.Identity;
//param.Projection = Matrix.OrthoOffCenterRH(0, w, h, 0, -9999, 9999);
param.View = camera.GetViewMatrix( stereoEye );
param.Projection = camera.GetProjectionMatrix( stereoEye );
param.MaxParticles = 100;
param.DeltaTime = gameTime.ElapsedSec;
paramsCB.SetData( param );
device.VertexShaderConstants[0] = paramsCB ;
device.GeometryShaderConstants[0] = paramsCB ;
device.PixelShaderConstants[0] = paramsCB ;
device.PixelShaderSamplers[0] = SamplerState.LinearWrap ;
//
// Simulate :
//
device.PipelineState = factory[ (int)Flags.SIMULATION ];
device.SetupVertexInput( simulationSrcVB, null );
device.SetupVertexOutput( simulationDstVB, 0 );
device.DrawAuto();
//
// Inject :
//
injectionVB.SetData( injectionBufferCPU );
device.PipelineState = factory[ (int)Flags.INJECTION ];
device.SetupVertexInput( injectionVB, null );
device.SetupVertexOutput( simulationDstVB, -1 );
device.Draw(injectionCount, 0 );
SwapParticleBuffers();
//
// Render
//
paramsCB.SetData( param );
device.VertexShaderConstants[0] = paramsCB ;
device.GeometryShaderConstants[0] = paramsCB ;
device.PixelShaderConstants[0] = paramsCB ;
device.PipelineState = factory[ (int)Flags.RENDER ];
device.PixelShaderResources[0] = null;
device.SetupVertexOutput( null, 0 );
device.SetupVertexInput( simulationSrcVB, null );
//device.Draw( Primitive.PointList, injectionCount, 0 );
device.DrawAuto();
//device.Draw( Primitive.PointList, MaxSimulatedParticles, 0 );
ClearParticleBuffer();
}
/// <summary>
///
/// </summary>
/// <param name="view"></param>
/// <param name="projection"></param>
internal void RenderLighting ( StereoEye stereoEye, Camera camera, HdrFrame hdrFrame, RenderWorld viewLayer, RenderTargetCube envLight )
{
using ( new PixEvent("TiledLighting") ) {
var view = camera.GetViewMatrix( stereoEye );
var projection = camera.GetProjectionMatrix( stereoEye );
var device = Game.GraphicsDevice;
device.ResetStates();
var width = hdrFrame.HdrBuffer.Width;
var height = hdrFrame.HdrBuffer.Height;
ICSMController csmCtrl = viewLayer.LightSet.DirectLight.CSMController ?? csmController;
int activeCascadeCount = Math.Min( cascadedShadowMap.CascadeCount, csmCtrl.GetActiveCascadeCount() );
//
// Setup compute shader parameters and states :
//
try {
var cbData = new LightingParams();
var invView = Matrix.Invert( view );
var invVP = Matrix.Invert( view * projection );
var viewPos = invView.TranslationVector;
cbData.DirectLightDirection = new Vector4( viewLayer.LightSet.DirectLight.Direction, 0 );
cbData.DirectLightIntensity = viewLayer.LightSet.DirectLight.Intensity.ToVector4();
cbData.Projection = projection;
cbData.CSMViewProjection0 = csmCtrl.GetShadowViewMatrix(0) * csmCtrl.GetShadowProjectionMatrix(0);
cbData.CSMViewProjection1 = csmCtrl.GetShadowViewMatrix(1) * csmCtrl.GetShadowProjectionMatrix(1);
cbData.CSMViewProjection2 = csmCtrl.GetShadowViewMatrix(2) * csmCtrl.GetShadowProjectionMatrix(2);
cbData.CSMViewProjection3 = csmCtrl.GetShadowViewMatrix(3) * csmCtrl.GetShadowProjectionMatrix(3);
cbData.View = view;
cbData.ViewPosition = new Vector4(viewPos,1);
cbData.InverseViewProjection = invVP;
cbData.CSMFilterRadius = new Vector4( CSMFilterSize );
cbData.AmbientColor = viewLayer.LightSet.AmbientLevel;
cbData.Viewport = new Vector4( 0, 0, width, height );
cbData.ShowCSLoadOmni = ShowOmniLightTileLoad ? 1 : 0;
cbData.ShowCSLoadEnv = ShowEnvLightTileLoad ? 1 : 0;
cbData.ShowCSLoadSpot = ShowSpotLightTileLoad ? 1 : 0;
cbData.CascadeCount = activeCascadeCount;
cbData.CascadeScale = 1.0f / (float)cascadedShadowMap.CascadeCount;
ComputeOmniLightsTiles( view, projection, viewLayer.LightSet );
ComputeSpotLightsTiles( view, projection, viewLayer.LightSet );
ComputeEnvLightsTiles( view, projection, viewLayer.LightSet );
//
// set states :
//
device.SetTargets( null, hdrFrame.HdrBuffer.Surface );
lightingCB.SetData( cbData );
device.ComputeShaderSamplers[0] = SamplerState.PointClamp;
device.ComputeShaderSamplers[1] = SamplerState.LinearClamp;
device.ComputeShaderSamplers[2] = SamplerState.ShadowSampler;
device.ComputeShaderSamplers[3] = SamplerState.LinearPointWrap;
device.ComputeShaderResources[0] = hdrFrame.DiffuseBuffer;
device.ComputeShaderResources[1] = hdrFrame.SpecularBuffer;
device.ComputeShaderResources[2] = hdrFrame.NormalMapBuffer;
device.ComputeShaderResources[3] = hdrFrame.ScatteringBuffer;
device.ComputeShaderResources[4] = hdrFrame.DepthBuffer;
device.ComputeShaderResources[5] = cascadedShadowMap.ColorBuffer;
device.ComputeShaderResources[6] = spotColor;
device.ComputeShaderResources[7] = viewLayer.LightSet.SpotAtlas==null ? rs.WhiteTexture.Srv : viewLayer.LightSet.SpotAtlas.Texture.Srv;
device.ComputeShaderResources[8] = omniLightBuffer;
device.ComputeShaderResources[9] = spotLightBuffer;
device.ComputeShaderResources[10] = envLightBuffer;
device.ComputeShaderResources[11] = rs.SsaoFilter.OcclusionMap;
device.ComputeShaderResources[12] = viewLayer.RadianceCache;
device.ComputeShaderResources[13] = viewLayer.ParticleSystem.SimulatedParticles;
device.ComputeShaderResources[14] = cascadedShadowMap.ParticleShadow;
device.ComputeShaderConstants[0] = lightingCB;
device.SetCSRWTexture( 0, hdrFrame.LightAccumulator.Surface );
device.SetCSRWTexture( 1, hdrFrame.SSSAccumulator.Surface );
device.SetCSRWBuffer( 2, viewLayer.ParticleSystem.ParticleLighting );
//
// Dispatch solids :
//
using (new PixEvent("Solid Lighting")) {
device.PipelineState = factory[ (int)LightingFlags.SOLIDLIGHTING ];
device.Dispatch( MathUtil.IntDivUp( width, BlockSizeX ), MathUtil.IntDivUp( height, BlockSizeY ), 1 );
}
//
// Dispatch particles :
//
using (new PixEvent("Particle Lighting")) {
if (stereoEye!=StereoEye.Right) {
int threadGroupCount = MathUtil.IntDivUp( ParticleSystem.MaxSimulatedParticles, ParticleSystem.BlockSize );
device.PipelineState = factory[ (int)LightingFlags.PARTICLES ];
device.Dispatch( threadGroupCount, 1, 1 );
}
}
} catch ( UbershaderException e ) {
Log.Warning("{0}", e.Message );
}
//
// Add accumulated light :
//
rs.Filter.OverlayAdditive( hdrFrame.HdrBuffer.Surface, hdrFrame.LightAccumulator );
// Uncomment to enable SSS :
#if false
rs.Filter.GaussBlur( hdrFrame.SSSAccumulator, hdrFrame.LightAccumulator, 5, 0 );
rs.Filter.OverlayAdditive( hdrFrame.HdrBuffer.Surface, hdrFrame.SSSAccumulator );
#endif
device.ResetStates();
if (rs.ShowLightCounters) {
var ls = viewLayer.LightSet;
Log.Message("lights: {0,5} omni {1,5} spot {2,5} env", ls.OmniLights.Count, ls.SpotLights.Count, ls.EnvLights.Count );
}
}
}
/// <summary>
/// Creates ViewLayerHDR instance
/// </summary>
/// <param name="Game">Game engine</param>
/// <param name="width">Target width.</param>
/// <param name="height">Target height.</param>
public RenderWorld ( Game game, int width, int height ) : base( game )
{
var vp = Game.GraphicsDevice.DisplayBounds;
if (width<=0) {
width = vp.Width;
}
if (height<=0) {
height = vp.Height;
}
HdrSettings = new HdrSettings();
SkySettings = new SkySettings();
DofSettings = new DofSettings();
Instances = new List<MeshInstance>();
LightSet = new LightSet( Game.RenderSystem );
debug = new DebugRender( Game );
particleSystem = new ParticleSystem( Game.RenderSystem, this );
MeasuredOld = new RenderTarget2D( Game.GraphicsDevice, ColorFormat.Rgba32F, 1, 1 );
MeasuredNew = new RenderTarget2D( Game.GraphicsDevice, ColorFormat.Rgba32F, 1, 1 );
radianceFrame = new HdrFrame( Game, 512,512 );
Radiance = new RenderTargetCube( Game.GraphicsDevice, ColorFormat.Rgba16F, RenderSystem.EnvMapSize, true );
RadianceCache = new TextureCubeArray( Game.GraphicsDevice, 128, RenderSystem.MaxEnvLights, ColorFormat.Rgba16F, true );
Resize( width, height );
}
/// <summary>
///
/// </summary>
void ClearBuffers ( HdrFrame frame )
{
Game.GraphicsDevice.Clear( frame.DiffuseBuffer.Surface, Color4.Black );
Game.GraphicsDevice.Clear( frame.SpecularBuffer.Surface, Color4.Black );
Game.GraphicsDevice.Clear( frame.NormalMapBuffer.Surface, Color4.Black );
Game.GraphicsDevice.Clear( frame.ScatteringBuffer.Surface, Color4.Black );
Game.GraphicsDevice.Clear( frame.DepthBuffer.Surface, 1, 0 );
Game.GraphicsDevice.Clear( frame.HdrBuffer.Surface, Color4.Black );
}
/// <summary>
///
/// </summary>
/// <param name="width"></param>
/// <param name="height"></param>
public void Resize ( int newWidth, int newHeight )
{
SafeDispose( ref viewHdrFrame );
SafeDispose( ref Bloom0 );
SafeDispose( ref Bloom1 );
// clamp values :
newWidth = Math.Max(128, newWidth);
newHeight = Math.Max(128, newHeight);
int targetWidth = newWidth;
int targetHeight = newHeight;
int bloomWidth = ( targetWidth/2 ) & 0xFFF0;
int bloomHeight = ( targetHeight/2 ) & 0xFFF0;
viewHdrFrame = new HdrFrame ( Game, targetWidth, targetHeight );
Bloom0 = new RenderTarget2D( Game.GraphicsDevice, ColorFormat.Rgba16F, bloomWidth, bloomHeight, true, false );
Bloom1 = new RenderTarget2D( Game.GraphicsDevice, ColorFormat.Rgba16F, bloomWidth, bloomHeight, true, false );
//HdrTexture = new TargetTexture( HdrBuffer );
//DiffuseTexture = new TargetTexture( DiffuseBuffer );
//SpecularTexture = new TargetTexture( SpecularBuffer );
//NormalMapTexture = new TargetTexture( NormalMapBuffer );
}