mirror of
https://mirror.ghproxy.com/https://github.com/dexyfex/CodeWalker
synced 2024-11-29 18:32:55 +08:00
376 lines
13 KiB
C#
376 lines
13 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using Device = SharpDX.Direct3D11.Device;
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using Buffer = SharpDX.Direct3D11.Buffer;
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using MapFlags = SharpDX.Direct3D11.MapFlags;
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using SharpDX.Direct3D11;
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using System.IO;
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using CodeWalker.GameFiles;
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using CodeWalker.World;
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using SharpDX;
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using SharpDX.DXGI;
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using SharpDX.Mathematics.Interop;
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namespace CodeWalker.Rendering
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{
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public struct DeferredLightVSVars
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{
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public Matrix ViewProj;
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public Vector4 CameraPos;
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public uint LightType; //0=directional, 1=Point, 2=Spot, 4=Capsule
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public uint IsLOD; //useful or not?
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public uint Pad0;
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public uint Pad1;
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}
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public struct DeferredLightPSVars
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{
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public ShaderGlobalLightParams GlobalLights;
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public Matrix ViewProjInv;
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public Vector4 CameraPos;
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public uint EnableShadows;
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public uint RenderMode;//0=default, 1=normals, 2=tangents, 3=colours, 4=texcoords, 5=diffuse, 6=normalmap, 7=spec, 8=direct
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public uint RenderModeIndex; //colour/texcoord index
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public uint RenderSamplerCoord; //which texcoord to use in single texture mode
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public uint LightType; //0=directional, 1=Point, 2=Spot, 4=Capsule
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public uint IsLOD; //useful or not?
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public uint Pad0;
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public uint Pad1;
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}
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public class DeferredScene
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{
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public GpuMultiTexture GBuffers; // diffuse, normals, specular, irradiance
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SamplerState SampleStatePoint;
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SamplerState SampleStateLinear;
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BlendState BlendState;
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long WindowSizeVramUsage = 0;
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int Width = 0;
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int Height = 0;
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ViewportF Viewport;
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VertexShader LightVS;
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PixelShader LightPS;
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UnitCone LightCone;
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UnitSphere LightSphere;
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UnitCapsule LightCapsule;
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UnitQuad LightQuad;
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InputLayout LightQuadLayout;
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GpuVarsBuffer<DeferredLightVSVars> LightVSVars;
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GpuVarsBuffer<DeferredLightPSVars> LightPSVars;
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public long VramUsage
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{
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get
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{
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return WindowSizeVramUsage;
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}
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}
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public DeferredScene(DXManager dxman)
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{
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var device = dxman.device;
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byte[] bLightVS = File.ReadAllBytes("Shaders\\LightVS.cso");
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byte[] bLightPS = File.ReadAllBytes("Shaders\\LightPS.cso");
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LightVS = new VertexShader(device, bLightVS);
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LightPS = new PixelShader(device, bLightPS);
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LightCone = new UnitCone(device, bLightVS, 4, false);
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LightSphere = new UnitSphere(device, bLightVS, 4, true);
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LightCapsule = new UnitCapsule(device, bLightVS, 4, false);
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LightQuad = new UnitQuad(device, true);
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LightQuadLayout = new InputLayout(device, bLightVS, new[]
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{
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new InputElement("POSITION", 0, Format.R32G32B32A32_Float, 0, 0),
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new InputElement("TEXCOORD", 0, Format.R32G32_Float, 16, 0),
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});
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LightVSVars = new GpuVarsBuffer<DeferredLightVSVars>(device);
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LightPSVars = new GpuVarsBuffer<DeferredLightPSVars>(device);
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TextureAddressMode a = TextureAddressMode.Clamp;
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Color4 b = new Color4(0.0f, 0.0f, 0.0f, 0.0f);
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Comparison c = Comparison.Always;
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SampleStatePoint = DXUtility.CreateSamplerState(device, a, b, c, Filter.MinMagMipPoint, 0, 1.0f, 1.0f, 0.0f);
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SampleStateLinear = DXUtility.CreateSamplerState(device, a, b, c, Filter.MinMagMipLinear, 0, 1.0f, 1.0f, 0.0f);
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BlendState = DXUtility.CreateBlendState(device, false, BlendOperation.Add, BlendOption.One, BlendOption.Zero, BlendOperation.Add, BlendOption.One, BlendOption.Zero, ColorWriteMaskFlags.All);
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}
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public void Dispose()
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{
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DisposeBuffers();
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if (BlendState != null)
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{
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BlendState.Dispose();
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BlendState = null;
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}
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if (SampleStateLinear != null)
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{
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SampleStateLinear.Dispose();
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SampleStateLinear = null;
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}
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if (SampleStatePoint != null)
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{
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SampleStatePoint.Dispose();
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SampleStatePoint = null;
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}
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if (LightVSVars != null)
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{
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LightVSVars.Dispose();
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LightVSVars = null;
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}
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if (LightPSVars != null)
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{
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LightPSVars.Dispose();
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LightPSVars = null;
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}
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if (LightQuadLayout != null)
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{
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LightQuadLayout.Dispose();
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LightQuadLayout = null;
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}
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if (LightQuad != null)
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{
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LightQuad.Dispose();
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LightQuad = null;
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}
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if (LightCone != null)
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{
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LightCone.Dispose();
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LightCone = null;
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}
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if (LightSphere != null)
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{
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LightSphere.Dispose();
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LightSphere = null;
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}
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if (LightCapsule != null)
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{
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LightCapsule.Dispose();
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LightCapsule = null;
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}
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if (LightPS != null)
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{
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LightPS.Dispose();
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LightPS = null;
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}
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if (LightVS != null)
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{
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LightVS.Dispose();
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LightVS = null;
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}
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}
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public void OnWindowResize(DXManager dxman)
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{
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DisposeBuffers();
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var device = dxman.device;
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int uw = Width = dxman.backbuffer.Description.Width;
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int uh = Height = dxman.backbuffer.Description.Height;
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Viewport = new ViewportF();
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Viewport.Width = (float)uw;
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Viewport.Height = (float)uh;
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Viewport.MinDepth = 0.0f;
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Viewport.MaxDepth = 1.0f;
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Viewport.X = 0.0f;
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Viewport.Y = 0.0f;
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GBuffers = new GpuMultiTexture(device, uw, uh, 4, Format.R8G8B8A8_UNorm, true, Format.D32_Float);
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WindowSizeVramUsage += GBuffers.VramUsage;
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}
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public void DisposeBuffers()
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{
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if (GBuffers != null)
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{
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GBuffers.Dispose();
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GBuffers = null;
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}
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WindowSizeVramUsage = 0;
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}
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public void Clear(DeviceContext context)
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{
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//Color4 clearColour = new Color4(0.2f, 0.4f, 0.6f, 0.0f);
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Color4 clearColour = new Color4(0.0f, 0.0f, 0.0f, 0.0f);
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GBuffers.Clear(context, clearColour);
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}
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public void ClearDepth(DeviceContext context)
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{
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GBuffers.ClearDepth(context);
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}
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public void SetPrimary(DeviceContext context)
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{
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GBuffers.SetRenderTargets(context);
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context.Rasterizer.SetViewport(Viewport);
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}
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public void RenderLights(DeviceContext context, Camera camera, Shadowmap globalShadows, ShaderGlobalLights globalLights)
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{
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uint rendermode = 0;
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uint rendermodeind = 1;
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//first full-screen directional light pass, for sun/moon
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//discard pixels where scene depth is 0, since nothing was rendered there
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//blend mode: overwrite
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context.VertexShader.Set(LightVS);
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context.PixelShader.Set(LightPS);
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LightVSVars.Vars.ViewProj = Matrix.Identity; //Matrix.Transpose(camera.ViewProjMatrix);
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LightVSVars.Vars.CameraPos = Vector4.Zero; //new Vector4(camera.Position, 0.0f);
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LightVSVars.Vars.LightType = 0;
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LightVSVars.Vars.IsLOD = 0;
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LightVSVars.Vars.Pad0 = 0;
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LightVSVars.Vars.Pad1 = 0;
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LightVSVars.Update(context);
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LightVSVars.SetVSCBuffer(context, 0);
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LightPSVars.Vars.GlobalLights = globalLights.Params;
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LightPSVars.Vars.ViewProjInv = Matrix.Transpose(camera.ViewProjInvMatrix);
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LightPSVars.Vars.CameraPos = Vector4.Zero; //new Vector4(camera.Position, 0.0f);
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LightPSVars.Vars.EnableShadows = (globalShadows != null) ? 1u : 0u;
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LightPSVars.Vars.RenderMode = rendermode;
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LightPSVars.Vars.RenderModeIndex = rendermodeind;
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LightPSVars.Vars.RenderSamplerCoord = 0;// (uint)RenderTextureSamplerCoord;
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LightPSVars.Vars.LightType = 0;
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LightPSVars.Vars.IsLOD = 0;
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LightPSVars.Vars.Pad0 = 0;
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LightPSVars.Vars.Pad1 = 0;
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LightPSVars.Update(context);
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LightPSVars.SetPSCBuffer(context, 0);
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context.PixelShader.SetShaderResources(0, GBuffers.DepthSRV);
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context.PixelShader.SetShaderResources(2, GBuffers.SRVs);
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if (globalShadows != null)
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{
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globalShadows.SetFinalRenderResources(context);
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}
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context.InputAssembler.InputLayout = LightQuadLayout;
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LightQuad.Draw(context);
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context.VertexShader.Set(null);
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context.PixelShader.Set(null);
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context.PixelShader.SetShaderResources(0, null, null, null);
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context.PixelShader.SetSamplers(0, null, null);
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}
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public void RenderLights(DeviceContext context, Camera camera, List<RenderableLODLights> lodlights)
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{
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//instanced rendering of all other lights, using appropriate shapes
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//blend mode: additive
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context.VertexShader.Set(LightVS);
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context.PixelShader.Set(LightPS);
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LightVSVars.Vars.ViewProj = Matrix.Transpose(camera.ViewProjMatrix);
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LightVSVars.Vars.CameraPos = new Vector4(camera.Position, 0.0f);
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LightVSVars.Vars.LightType = 0;
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LightVSVars.Vars.IsLOD = 0;
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LightVSVars.Vars.Pad0 = 0;
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LightVSVars.Vars.Pad1 = 0;
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//LightPSVars.Vars.GlobalLights = globalLights.Params;
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LightPSVars.Vars.ViewProjInv = Matrix.Transpose(camera.ViewProjInvMatrix);
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LightPSVars.Vars.CameraPos = new Vector4(camera.Position, 0.0f);
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LightPSVars.Vars.EnableShadows = 0;// (globalShadows != null) ? 1u : 0u;
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LightPSVars.Vars.RenderMode = 0;// rendermode;
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LightPSVars.Vars.RenderModeIndex = 1;// rendermodeind;
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LightPSVars.Vars.RenderSamplerCoord = 0;// (uint)RenderTextureSamplerCoord;
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LightPSVars.Vars.LightType = 0;
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LightPSVars.Vars.IsLOD = 0;
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LightPSVars.Vars.Pad0 = 0;
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LightPSVars.Vars.Pad1 = 0;
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context.PixelShader.SetShaderResources(0, GBuffers.DepthSRV);
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context.PixelShader.SetShaderResources(2, GBuffers.SRVs);
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//if (globalShadows != null)
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//{
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// globalShadows.SetFinalRenderResources(context);
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//}
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foreach (var rll in lodlights)
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{
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if (rll.PointsBuffer != null)
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{
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context.VertexShader.SetShaderResources(0, rll.PointsBuffer.SRV);
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context.PixelShader.SetShaderResources(6, rll.PointsBuffer.SRV);
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LightVSVars.Vars.LightType = 1;
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LightVSVars.Update(context);
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LightVSVars.SetVSCBuffer(context, 0);
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LightPSVars.Vars.LightType = 1;
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LightPSVars.Update(context);
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LightPSVars.SetPSCBuffer(context, 0);
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LightSphere.DrawInstanced(context, rll.PointsBuffer.StructCount);
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}
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if (rll.SpotsBuffer != null)
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{
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context.VertexShader.SetShaderResources(0, rll.SpotsBuffer.SRV);
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context.PixelShader.SetShaderResources(6, rll.SpotsBuffer.SRV);
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LightVSVars.Vars.LightType = 2;
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LightVSVars.Update(context);
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LightVSVars.SetVSCBuffer(context, 0);
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LightPSVars.Vars.LightType = 2;
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LightPSVars.Update(context);
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LightPSVars.SetPSCBuffer(context, 0);
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LightCone.DrawInstanced(context, rll.SpotsBuffer.StructCount);
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}
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if (rll.CapsBuffer != null)
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{
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|||
|
|
context.VertexShader.SetShaderResources(0, rll.CapsBuffer.SRV);
|
|||
|
|
context.PixelShader.SetShaderResources(6, rll.CapsBuffer.SRV);
|
|||
|
|
LightVSVars.Vars.LightType = 4;
|
|||
|
|
LightVSVars.Update(context);
|
|||
|
|
LightVSVars.SetVSCBuffer(context, 0);
|
|||
|
|
LightPSVars.Vars.LightType = 4;
|
|||
|
|
LightPSVars.Update(context);
|
|||
|
|
LightPSVars.SetPSCBuffer(context, 0);
|
|||
|
|
LightCapsule.DrawInstanced(context, rll.CapsBuffer.StructCount);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
context.VertexShader.Set(null);
|
|||
|
|
context.PixelShader.Set(null);
|
|||
|
|
context.PixelShader.SetShaderResources(0, null, null, null);
|
|||
|
|
context.PixelShader.SetSamplers(0, null, null);
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
}
|