public Shadowmap(Device device)
{
TextureSize = 1024; //todo: make this a setting...
CascadeCount = Math.Min(Settings.Default.ShadowCascades, 8); // 6; //use setting
PCFSize = 3;
PCFOffset = 0.000125f; //0.002f
BlurBetweenCascades = 0.05f;
ShadowVars = new GpuVarsBuffer <ShadowmapVars>(device);
DepthTexture = DXUtility.CreateTexture2D(device, TextureSize * CascadeCount, TextureSize, 1, 1, Format.R32_Typeless, 1, 0, ResourceUsage.Default, BindFlags.DepthStencil | BindFlags.ShaderResource, 0, 0);
DepthTextureSS = DXUtility.CreateSamplerState(device, TextureAddressMode.Border, new Color4(0.0f), Comparison.Less, Filter.ComparisonMinMagLinearMipPoint, 0, 0.0f, 0.0f, 0.0f);
DepthTextureSRV = DXUtility.CreateShaderResourceView(device, DepthTexture, Format.R32_Float, ShaderResourceViewDimension.Texture2D, 1, 0, 0, 0);
DepthTextureDSV = DXUtility.CreateDepthStencilView(device, DepthTexture, Format.D32_Float, DepthStencilViewDimension.Texture2D);
Cascades = new List <ShadowmapCascade>(CascadeCount);
for (int i = 0; i < CascadeCount; i++)
{
ShadowmapCascade c = new ShadowmapCascade();
c.Owner = this;
c.Index = i;
c.ZNear = 0.0f;
c.ZFar = 1.0f;
c.IntervalNear = 0.0f;
c.IntervalFar = 1.0f;
c.DepthRenderVP = new ViewportF()
{
Height = (float)TextureSize,
Width = (float)TextureSize,
MaxDepth = 1.0f,
MinDepth = 0.0f,
X = (float)(TextureSize * i),
Y = 0,
};
Cascades.Add(c);
}
DepthRenderRS = DXUtility.CreateRasterizerState(device, FillMode.Solid, CullMode.None, true, false, true, 0, 0.0f, 1.0f);
DepthRenderDS = DXUtility.CreateDepthStencilState(device, true, DepthWriteMask.All);
DepthRenderVP = new ViewportF();
DepthRenderVP.Height = (float)TextureSize;
DepthRenderVP.Width = (float)TextureSize;
DepthRenderVP.MaxDepth = 1.0f;
DepthRenderVP.MinDepth = 0.0f;
DepthRenderVP.X = 0;
DepthRenderVP.Y = 0;
graphicsMemoryUsage = (long)(TextureSize * TextureSize * CascadeCount * 4);
}
public PostProcessor(DXManager dxman)
{
var device = dxman.device;
byte[] bReduceTo1DCS = File.ReadAllBytes("Shaders\\PPReduceTo1DCS.cso");
byte[] bReduceTo0DCS = File.ReadAllBytes("Shaders\\PPReduceTo0DCS.cso");
byte[] bLumBlendCS = File.ReadAllBytes("Shaders\\PPLumBlendCS.cso");
byte[] bBloomFilterBPHCS = File.ReadAllBytes("Shaders\\PPBloomFilterBPHCS.cso");
byte[] bBloomFilterVCS = File.ReadAllBytes("Shaders\\PPBloomFilterVCS.cso");
byte[] bCopyPixelsPS = File.ReadAllBytes("Shaders\\PPCopyPixelsPS.cso");
byte[] bFinalPassVS = File.ReadAllBytes("Shaders\\PPFinalPassVS.cso");
byte[] bFinalPassPS = File.ReadAllBytes("Shaders\\PPFinalPassPS.cso");
ReduceTo1DCS = new ComputeShader(device, bReduceTo1DCS);
ReduceTo0DCS = new ComputeShader(device, bReduceTo0DCS);
LumBlendCS = new ComputeShader(device, bLumBlendCS);
BloomFilterBPHCS = new ComputeShader(device, bBloomFilterBPHCS);
BloomFilterVCS = new ComputeShader(device, bBloomFilterVCS);
CopyPixelsPS = new PixelShader(device, bCopyPixelsPS);
FinalPassVS = new VertexShader(device, bFinalPassVS);
FinalPassPS = new PixelShader(device, bFinalPassPS);
FinalPassQuad = new UnitQuad(device, true);
FinalPassLayout = new InputLayout(device, bFinalPassVS, new[]
{
new InputElement("POSITION", 0, Format.R32G32B32A32_Float, 0, 0),
new InputElement("TEXCOORD", 0, Format.R32G32_Float, 16, 0),
});
ReduceCSVars = new GpuVarsBuffer <PostProcessorReduceCSVars>(device);
LumBlendCSVars = new GpuVarsBuffer <PostProcessorLumBlendCSVars>(device);
FilterBPHCSVars = new GpuVarsBuffer <PostProcessorFilterBPHCSVars>(device);
FilterVCSVars = new GpuVarsBuffer <PostProcessorFilterVCSVars>(device);
FinalPSVars = new GpuVarsBuffer <PostProcessorFinalPSVars>(device);
TextureAddressMode a = TextureAddressMode.Clamp;
Color4 b = new Color4(0.0f, 0.0f, 0.0f, 0.0f);
Comparison c = Comparison.Always;
SampleStatePoint = DXUtility.CreateSamplerState(device, a, b, c, Filter.MinMagMipPoint, 0, 1.0f, 1.0f, 0.0f);
SampleStateLinear = DXUtility.CreateSamplerState(device, a, b, c, Filter.MinMagMipLinear, 0, 1.0f, 1.0f, 0.0f);
BlendState = DXUtility.CreateBlendState(device, false, BlendOperation.Add, BlendOption.One, BlendOption.Zero, BlendOperation.Add, BlendOption.One, BlendOption.Zero, ColorWriteMaskFlags.All);
GetSampleWeights(ref FilterVCSVars.Vars.avSampleWeights, 3.0f, 1.25f); //init sample weights
FilterBPHCSVars.Vars.avSampleWeights = FilterVCSVars.Vars.avSampleWeights;
}
public DeferredScene(DXManager dxman)
{
var device = dxman.device;
byte[] bDirLightVS = File.ReadAllBytes("Shaders\\DirLightVS.cso");
byte[] bDirLightPS = File.ReadAllBytes("Shaders\\DirLightPS.cso");
byte[] bDirLightMSPS = File.ReadAllBytes("Shaders\\DirLightPS_MS.cso");
byte[] bLodLightVS = File.ReadAllBytes("Shaders\\LodLightsVS.cso");
byte[] bLodLightPS = File.ReadAllBytes("Shaders\\LodLightsPS.cso");
byte[] bLodLightMSPS = File.ReadAllBytes("Shaders\\LodLightsPS_MS.cso");
byte[] bLightVS = File.ReadAllBytes("Shaders\\LightVS.cso");
byte[] bLightPS = File.ReadAllBytes("Shaders\\LightPS.cso");
byte[] bLightMSPS = File.ReadAllBytes("Shaders\\LightPS_MS.cso");
byte[] bFinalVS = File.ReadAllBytes("Shaders\\PPFinalPassVS.cso");
byte[] bSSAAPS = File.ReadAllBytes("Shaders\\PPSSAAPS.cso");
DirLightVS = new VertexShader(device, bDirLightVS);
DirLightPS = new PixelShader(device, bDirLightPS);
LodLightVS = new VertexShader(device, bLodLightVS);
LodLightPS = new PixelShader(device, bLodLightPS);
LightVS = new VertexShader(device, bLightVS);
LightPS = new PixelShader(device, bLightPS);
try
{
//error could happen here if the device isn't supporting feature level 10.1
DirLightMSPS = new PixelShader(device, bDirLightMSPS);
LodLightMSPS = new PixelShader(device, bLodLightMSPS);
LightMSPS = new PixelShader(device, bLightMSPS);
}
catch
{
MSAASampleCount = 1; //can't do MSAA without at least 10.1 support
}
LightCone = new UnitCone(device, bLodLightVS, 4, false);
LightSphere = new UnitSphere(device, bLodLightVS, 4, true);
LightCapsule = new UnitCapsule(device, bLodLightVS, 4, false);
LightQuad = new UnitQuad(device, true);
LightQuadLayout = new InputLayout(device, bDirLightVS, new[]
{
new InputElement("POSITION", 0, Format.R32G32B32A32_Float, 0, 0),
new InputElement("TEXCOORD", 0, Format.R32G32_Float, 16, 0),
});
LightVSVars = new GpuVarsBuffer <DeferredLightVSVars>(device);
LightPSVars = new GpuVarsBuffer <DeferredLightPSVars>(device);
LightInstVars = new GpuVarsBuffer <DeferredLightInstVars>(device);
FinalVS = new VertexShader(device, bFinalVS);
SSAAPS = new PixelShader(device, bSSAAPS);
SSAAPSVars = new GpuVarsBuffer <DeferredSSAAPSVars>(device);
TextureAddressMode a = TextureAddressMode.Clamp;
Color4 b = new Color4(0.0f, 0.0f, 0.0f, 0.0f);
Comparison c = Comparison.Always;
SampleStatePoint = DXUtility.CreateSamplerState(device, a, b, c, Filter.MinMagMipPoint, 0, 1.0f, 1.0f, 0.0f);
SampleStateLinear = DXUtility.CreateSamplerState(device, a, b, c, Filter.MinMagMipLinear, 0, 1.0f, 1.0f, 0.0f);
BlendState = DXUtility.CreateBlendState(device, false, BlendOperation.Add, BlendOption.One, BlendOption.Zero, BlendOperation.Add, BlendOption.One, BlendOption.Zero, ColorWriteMaskFlags.All);
}