CodeWalker/Rendering/Shaders/SkydomeShader.cs
2017-09-21 20:33:05 +10:00

411 lines
18 KiB
C#

using SharpDX;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Device = SharpDX.Direct3D11.Device;
using Buffer = SharpDX.Direct3D11.Buffer;
using MapFlags = SharpDX.Direct3D11.MapFlags;
using SharpDX.Direct3D11;
using System.IO;
using CodeWalker.GameFiles;
using CodeWalker.World;
namespace CodeWalker.Rendering
{
public struct SkydomeShaderVSSceneVars
{
public Matrix ViewProj;
public Matrix ViewInv;
}
public struct SkydomeShaderVSEntityVars
{
public Vector4 CamRel;
public Quaternion Orientation;
}
public struct SkydomeShaderVSModelVars
{
public Matrix Transform;
}
public struct SkydomeShaderPSSceneVars
{
public Vector4 LightDirection;
public uint EnableHDR;
public uint Pad0;
public uint Pad1;
public uint Pad2;
}
public struct SkydomeShaderVSSunMoonVars
{
public Matrix ViewProj;
public Matrix ViewInv;
public Vector4 CamRel;
public Vector2 Size;
public Vector2 Offset;
}
public struct SkydomeShaderPSSunMoonVars
{
public Vector4 Colour;
}
public struct SkydomeShaderSkySystemLocals
{
public Vector4 azimuthEastColor; // Offset: 0 Size: 12
public Vector4 azimuthWestColor; // Offset: 16 Size: 12
public Vector3 azimuthTransitionColor; // Offset: 32 Size: 12
public float azimuthTransitionPosition; // Offset: 44 Size: 4
public Vector4 zenithColor; // Offset: 48 Size: 12
public Vector4 zenithTransitionColor; // Offset: 64 Size: 12
public Vector4 zenithConstants; // Offset: 80 Size: 16
public Vector4 skyPlaneColor; // Offset: 96 Size: 16 [unused]
public Vector4 skyPlaneParams; // Offset: 112 Size: 16 [unused]
public float hdrIntensity; // Offset: 128 Size: 4
public Vector3 sunColor; // Offset: 132 Size: 12
public Vector4 sunColorHdr; // Offset: 144 Size: 12
public Vector4 sunDiscColorHdr; // Offset: 160 Size: 12 [unused]
public Vector4 sunConstants; // Offset: 176 Size: 16
public Vector4 sunDirection; // Offset: 192 Size: 12
public Vector4 sunPosition; // Offset: 208 Size: 12 [unused]
public Vector4 cloudBaseMinusMidColour; // Offset: 224 Size: 12
public Vector4 cloudMidColour; // Offset: 240 Size: 12
public Vector4 cloudShadowMinusBaseColourTimesShadowStrength;// Offset: 256 Size: 12
public Vector4 cloudDetailConstants; // Offset: 272 Size: 16
public Vector4 cloudConstants1; // Offset: 288 Size: 16
public Vector4 cloudConstants2; // Offset: 304 Size: 16
public Vector4 smallCloudConstants; // Offset: 320 Size: 16
public Vector4 smallCloudColorHdr; // Offset: 336 Size: 12
public Vector4 effectsConstants; // Offset: 352 Size: 16
public float horizonLevel; // Offset: 368 Size: 4
public Vector3 speedConstants; // Offset: 372 Size: 12
public float starfieldIntensity; // Offset: 384 Size: 4
public Vector3 moonDirection; // Offset: 388 Size: 12
public Vector3 moonPosition; // Offset: 400 Size: 12 [unused]
public float moonIntensity; // Offset: 412 Size: 4 [unused]
public Vector4 lunarCycle; // Offset: 416 Size: 12
public Vector3 moonColor; // Offset: 432 Size: 12
public float noiseFrequency; // Offset: 444 Size: 4 [unused]
public float noiseScale; // Offset: 448 Size: 4 [unused]
public float noiseThreshold; // Offset: 452 Size: 4 [unused]
public float noiseSoftness; // Offset: 456 Size: 4 [unused]
public float noiseDensityOffset; // Offset: 460 Size: 4 [unused]
public Vector4 noisePhase; // Offset: 464 Size: 8 [unused]
}
public class SkydomeShader : Shader, IDisposable
{
bool disposed = false;
VertexShader skyvs;
PixelShader skyps;
VertexShader sunvs;
PixelShader sunps;
VertexShader moonvs;
PixelShader moonps;
GpuVarsBuffer<SkydomeShaderSkySystemLocals> SkyLocalVars;
GpuVarsBuffer<SkydomeShaderVSSceneVars> VSSceneVars;
GpuVarsBuffer<SkydomeShaderVSEntityVars> VSEntityVars;
GpuVarsBuffer<SkydomeShaderVSModelVars> VSModelVars;
GpuVarsBuffer<SkydomeShaderPSSceneVars> PSSceneVars;
GpuVarsBuffer<SkydomeShaderVSSunMoonVars> VSSunMoonVars;
GpuVarsBuffer<SkydomeShaderPSSunMoonVars> PSSunMoonVars;
SamplerState texsampler;
InputLayout skylayout;
InputLayout sunlayout;
InputLayout moonlayout;
UnitDisc sundisc;
UnitQuad moonquad;
public bool EnableHDR { get; set; }
public SkydomeShader(Device device)
{
byte[] skyvsbytes = File.ReadAllBytes("Shaders\\SkydomeVS.cso");
byte[] skypsbytes = File.ReadAllBytes("Shaders\\SkydomePS.cso");
byte[] sunvsbytes = File.ReadAllBytes("Shaders\\SkySunVS.cso");
byte[] sunpsbytes = File.ReadAllBytes("Shaders\\SkySunPS.cso");
byte[] moonvsbytes = File.ReadAllBytes("Shaders\\SkyMoonVS.cso");
byte[] moonpsbytes = File.ReadAllBytes("Shaders\\SkyMoonPS.cso");
skyvs = new VertexShader(device, skyvsbytes);
skyps = new PixelShader(device, skypsbytes);
sunvs = new VertexShader(device, sunvsbytes);
sunps = new PixelShader(device, sunpsbytes);
moonvs = new VertexShader(device, moonvsbytes);
moonps = new PixelShader(device, moonpsbytes);
SkyLocalVars = new GpuVarsBuffer<SkydomeShaderSkySystemLocals>(device);
VSSceneVars = new GpuVarsBuffer<SkydomeShaderVSSceneVars>(device);
VSEntityVars = new GpuVarsBuffer<SkydomeShaderVSEntityVars>(device);
VSModelVars = new GpuVarsBuffer<SkydomeShaderVSModelVars>(device);
PSSceneVars = new GpuVarsBuffer<SkydomeShaderPSSceneVars>(device);
VSSunMoonVars = new GpuVarsBuffer<SkydomeShaderVSSunMoonVars>(device);
PSSunMoonVars = new GpuVarsBuffer<SkydomeShaderPSSunMoonVars>(device);
sundisc = new UnitDisc(device, 30, true);
sunlayout = new InputLayout(device, sunvsbytes, sundisc.GetLayout());
skylayout = new InputLayout(device, skyvsbytes, VertexTypePTT.GetLayout());
moonquad = new UnitQuad(device, true);
moonlayout = new InputLayout(device, moonvsbytes, moonquad.GetLayout());
texsampler = new SamplerState(device, new SamplerStateDescription()
{
AddressU = TextureAddressMode.Wrap,
AddressV = TextureAddressMode.Wrap,
AddressW = TextureAddressMode.Wrap,
BorderColor = Color.Black,
ComparisonFunction = Comparison.Always,
Filter = Filter.MinMagMipLinear,
MaximumAnisotropy = 1,
MaximumLod = float.MaxValue,
MinimumLod = 0,
MipLodBias = 0,
});
}
public override void SetShader(DeviceContext context)
{
context.VertexShader.Set(skyvs);
context.PixelShader.Set(skyps);
}
public override bool SetInputLayout(DeviceContext context, VertexType type)
{
if (type != VertexType.PTT)
{
return false;
}
context.InputAssembler.InputLayout = skylayout;
return true;
}
public void UpdateSkyLocals(Weather weather, ShaderGlobalLights lights)
{
var wv = weather.CurrentValues;
float skyhdr = EnableHDR ? wv.skyHdr : Math.Min(wv.skyHdr, 1.8f);
float sunhdr = EnableHDR ? wv.skySunHdr : Math.Min(wv.skySunHdr, 4.8f); //NO HDR - turn it down!!!
float scathdr = EnableHDR ? wv.skySunScatterInten : Math.Min(wv.skySunScatterInten, 1.8f);
Vector3 suncolhdr = wv.skySunCol * sunhdr;
Vector4 azecol = wv.skyAzimuthEastCol;
Vector4 azwcol = wv.skyAzimuthWestCol;
Vector4 aztcol = wv.skyAzimuthTransitionCol;
Vector4 zencol = wv.skyZenithCol;
Vector4 zetcol = wv.skyZenithTransitionCol;
Vector4 plncol = wv.skyPlane;
SkyLocalVars.Vars.azimuthEastColor = azecol;
SkyLocalVars.Vars.azimuthWestColor = azwcol;
SkyLocalVars.Vars.azimuthTransitionColor = aztcol.XYZ();
SkyLocalVars.Vars.azimuthTransitionPosition = wv.skyAzimuthTransition;
SkyLocalVars.Vars.zenithColor = zencol;
SkyLocalVars.Vars.zenithTransitionColor = zetcol;
SkyLocalVars.Vars.zenithConstants = wv.skyZenithTransition;
SkyLocalVars.Vars.skyPlaneColor = plncol;
SkyLocalVars.Vars.skyPlaneParams = Vector4.Zero;
SkyLocalVars.Vars.hdrIntensity = skyhdr;
SkyLocalVars.Vars.sunColor = wv.skySunCol;
SkyLocalVars.Vars.sunColorHdr = new Vector4(suncolhdr, sunhdr);
SkyLocalVars.Vars.sunDiscColorHdr = new Vector4(wv.skySunDiscCol, wv.skySunDiscSize);
//SkyLocalVars.Vars.sunConstants = new Vector4(wv.skySunMie, scathdr);
//SkyLocalVars.Vars.sunConstants.X = wv.skySunMie.X; //mie phase
//SkyLocalVars.Vars.sunConstants.Y = wv.skySunMie.Y; //mie scatter
//SkyLocalVars.Vars.sunConstants.Z = 0.5f / wv.skySunInfluenceRadius;// * 0.01f; // 0.0025f; //mie size/"range"
//SkyLocalVars.Vars.sunConstants.W = wv.skySunMie.Z;// * scathdr; //mie hdr intensity
SkyLocalVars.Vars.sunConstants.X = wv.skySunMie.X * wv.skySunMie.Y; //mie phase
SkyLocalVars.Vars.sunConstants.Y = wv.skySunMie.Y;// 1.0f /wv.skySunMie.Y;// 1.7f;// wv.skySunMie.Y; //mie scatter
SkyLocalVars.Vars.sunConstants.Z = 0.00003f * wv.skySunInfluenceRadius;// * wv.skySunMie.X;// wv.skySunMie.Z;///720.0f;// * 0.01f; // 0.0025f; //mie size/"range"
SkyLocalVars.Vars.sunConstants.W = wv.skySunMie.Z;// * scathdr; //mie intensity multiplier
SkyLocalVars.Vars.sunDirection = new Vector4(-lights.CurrentSunDir, 0);// wv.sunDirection, 0);
SkyLocalVars.Vars.sunPosition = new Vector4(-lights.CurrentSunDir, 0); //not used
SkyLocalVars.Vars.cloudBaseMinusMidColour = Vector4.Zero;
SkyLocalVars.Vars.cloudMidColour = Vector4.Zero;
SkyLocalVars.Vars.cloudShadowMinusBaseColourTimesShadowStrength = Vector4.Zero;
SkyLocalVars.Vars.cloudDetailConstants = Vector4.Zero;
SkyLocalVars.Vars.cloudConstants1 = Vector4.Zero;
SkyLocalVars.Vars.cloudConstants2 = Vector4.Zero;
SkyLocalVars.Vars.smallCloudConstants = Vector4.Zero;
SkyLocalVars.Vars.smallCloudColorHdr = Vector4.Zero;
SkyLocalVars.Vars.effectsConstants = Vector4.Zero;
SkyLocalVars.Vars.horizonLevel = 0;
SkyLocalVars.Vars.speedConstants = Vector3.Zero;
SkyLocalVars.Vars.starfieldIntensity = wv.skyStarsIten * 5.0f; //makes stars brighter....
SkyLocalVars.Vars.moonDirection = wv.moonDirection;
SkyLocalVars.Vars.moonPosition = Vector3.Zero;//need to update this?
SkyLocalVars.Vars.moonIntensity = wv.skyMoonIten;
SkyLocalVars.Vars.lunarCycle = Vector4.Zero;
SkyLocalVars.Vars.moonColor = wv.skyMoonCol;
SkyLocalVars.Vars.noiseFrequency = 0;
SkyLocalVars.Vars.noiseScale = 0;
SkyLocalVars.Vars.noiseThreshold = 0;
SkyLocalVars.Vars.noiseSoftness = 0;
SkyLocalVars.Vars.noiseDensityOffset = 0;
SkyLocalVars.Vars.noisePhase = Vector4.Zero;
}
public override void SetSceneVars(DeviceContext context, Camera camera, Shadowmap shadowmap, ShaderGlobalLights lights)
{
SkyLocalVars.Update(context);
SkyLocalVars.SetVSCBuffer(context, 0);
SkyLocalVars.SetPSCBuffer(context, 0);
VSSceneVars.Vars.ViewProj = Matrix.Transpose(camera.ViewProjMatrix);
VSSceneVars.Vars.ViewInv = Matrix.Transpose(camera.ViewInvMatrix);
VSSceneVars.Update(context);
VSSceneVars.SetVSCBuffer(context, 1);
PSSceneVars.Vars.LightDirection = new Vector4(lights.Params.LightDir, 0.0f);
PSSceneVars.Vars.EnableHDR = EnableHDR ? 1u : 0u;
PSSceneVars.Update(context);
PSSceneVars.SetPSCBuffer(context, 1);
}
public override void SetEntityVars(DeviceContext context, ref RenderableInst rend)
{
VSEntityVars.Vars.CamRel = new Vector4(rend.CamRel, 0.0f);
VSEntityVars.Vars.Orientation = rend.Orientation;
VSEntityVars.Update(context);
VSEntityVars.SetVSCBuffer(context, 2);
}
public override void SetModelVars(DeviceContext context, RenderableModel model)
{
if (!model.UseTransform) return;
VSModelVars.Vars.Transform = Matrix.Transpose(model.Transform);
VSModelVars.Update(context);
VSModelVars.SetVSCBuffer(context, 3);
}
public override void SetGeomVars(DeviceContext context, RenderableGeometry geom)
{
//don't use this version
}
public void SetTextures(DeviceContext context, RenderableTexture starfield)
{
if (starfield != null)
{
context.PixelShader.SetSampler(0, texsampler);
starfield.SetPSResource(context, 0);
}
}
public override void UnbindResources(DeviceContext context)
{
context.VertexShader.SetConstantBuffer(0, null);
context.PixelShader.SetConstantBuffer(0, null);
context.VertexShader.SetConstantBuffer(1, null);
context.PixelShader.SetConstantBuffer(1, null);
context.VertexShader.SetConstantBuffer(2, null);
context.VertexShader.SetConstantBuffer(3, null);
context.PixelShader.SetSampler(0, null);
context.PixelShader.SetShaderResource(0, null);
context.VertexShader.Set(null);
context.PixelShader.Set(null);
}
public void RenderSun(DeviceContext context, Camera camera, Weather weather, ShaderGlobalLights lights)
{
context.VertexShader.Set(sunvs);
context.PixelShader.Set(sunps);
VSSunMoonVars.Vars.ViewProj = Matrix.Transpose(camera.ViewProjMatrix);
VSSunMoonVars.Vars.ViewInv = Matrix.Transpose(camera.ViewInvMatrix);
VSSunMoonVars.Vars.CamRel = new Vector4(lights.CurrentSunDir, 0);
VSSunMoonVars.Vars.Size = new Vector2(weather.CurrentValues.skySunDiscSize * 0.008f);
VSSunMoonVars.Vars.Offset = Vector2.Zero;
VSSunMoonVars.Update(context);
VSSunMoonVars.SetVSCBuffer(context, 0);
PSSunMoonVars.Vars.Colour = new Vector4(weather.CurrentValues.skySunDiscCol * weather.CurrentValues.skySunHdr, 1);
PSSunMoonVars.Update(context);
PSSunMoonVars.SetPSCBuffer(context, 0);
context.InputAssembler.InputLayout = sunlayout;
sundisc.Draw(context);
}
public void RenderMoon(DeviceContext context, Camera camera, Weather weather, ShaderGlobalLights lights, RenderableTexture moontex)
{
context.VertexShader.Set(moonvs);
context.PixelShader.Set(moonps);
Quaternion ori = Quaternion.Invert(Quaternion.LookAtRH(Vector3.Zero, lights.CurrentMoonDir, lights.MoonAxis));
Matrix omat = ori.ToMatrix();
VSSunMoonVars.Vars.ViewProj = Matrix.Transpose(camera.ViewProjMatrix);
VSSunMoonVars.Vars.ViewInv = Matrix.Transpose(omat);// camera.ViewInvMatrix);
VSSunMoonVars.Vars.CamRel = new Vector4(lights.CurrentMoonDir, 0);
VSSunMoonVars.Vars.Size = new Vector2(weather.CurrentValues.skyMoonDiscSize * 0.008f);
VSSunMoonVars.Vars.Offset = Vector2.Zero;
VSSunMoonVars.Update(context);
VSSunMoonVars.SetVSCBuffer(context, 0);
PSSunMoonVars.Vars.Colour = new Vector4(weather.CurrentValues.skyMoonCol * weather.CurrentValues.skyMoonIten, weather.CurrentValues.skyMoonIten);
PSSunMoonVars.Update(context);
PSSunMoonVars.SetPSCBuffer(context, 0);
context.PixelShader.SetSampler(0, texsampler);
moontex.SetPSResource(context, 0);
context.InputAssembler.InputLayout = moonlayout;
moonquad.Draw(context);
}
public void Dispose()
{
if (disposed) return;
disposed = true;
texsampler.Dispose();
sundisc.Dispose();
moonquad.Dispose();
skylayout.Dispose();
sunlayout.Dispose();
moonlayout.Dispose();
VSSunMoonVars.Dispose();
PSSunMoonVars.Dispose();
SkyLocalVars.Dispose();
VSSceneVars.Dispose();
VSEntityVars.Dispose();
VSModelVars.Dispose();
PSSceneVars.Dispose();
skyps.Dispose();
skyvs.Dispose();
sunps.Dispose();
sunvs.Dispose();
moonps.Dispose();
moonvs.Dispose();
}
}
}