public void Init(Device device, int w, int h, Format f, int sc, int sq, bool depth, Format df)
{
VramUsage = 0;
Multisampled = (sc > 1);
UseDepth = depth;
ResourceUsage u = ResourceUsage.Default;
BindFlags b = BindFlags.RenderTarget | BindFlags.ShaderResource;
RenderTargetViewDimension rtvd = RenderTargetViewDimension.Texture2D;
ShaderResourceViewDimension srvd = ShaderResourceViewDimension.Texture2D;// D3D11_SRV_DIMENSION_TEXTURE2D;
int fs = DXUtility.ElementSize(f);
int wh = w * h;
BindFlags db = BindFlags.DepthStencil;// | BindFlags.ShaderResource;// D3D11_BIND_DEPTH_STENCIL;
DepthStencilViewDimension dsvd = DepthStencilViewDimension.Texture2D;
Format dtexf = GetDepthTexFormat(df);
Format dsrvf = GetDepthSrvFormat(df);
Texture = DXUtility.CreateTexture2D(device, w, h, 1, 1, f, 1, 0, u, b, 0, 0);
RTV = DXUtility.CreateRenderTargetView(device, Texture, f, rtvd, 0, 0, 0);
SRV = DXUtility.CreateShaderResourceView(device, Texture, f, srvd, 1, 0, 0, 0);
VramUsage += (wh * fs);
if (Multisampled)
{
b = BindFlags.RenderTarget;
rtvd = RenderTargetViewDimension.Texture2DMultisampled;
dsvd = DepthStencilViewDimension.Texture2DMultisampled;
//srvd = ShaderResourceViewDimension.Texture2DMultisampled;
TextureMS = DXUtility.CreateTexture2D(device, w, h, 1, 1, f, sc, sq, u, b, 0, 0);
MSRTV = DXUtility.CreateRenderTargetView(device, TextureMS, f, rtvd, 0, 0, 0);
VramUsage += (wh * fs) * sc;
if (depth)
{
DepthMS = DXUtility.CreateTexture2D(device, w, h, 1, 1, dtexf, sc, sq, u, db, 0, 0);
MSDSV = DXUtility.CreateDepthStencilView(device, DepthMS, df, dsvd);
//DepthSRV = DXUtility.CreateShaderResourceView(device, DepthMS, dsrvf, srvd, 1, 0, 0, 0);
VramUsage += (wh * DXUtility.ElementSize(df)) * sc;
}
}
else
{
if (depth)
{
Depth = DXUtility.CreateTexture2D(device, w, h, 1, 1, dtexf, sc, sq, u, db, 0, 0);
DSV = DXUtility.CreateDepthStencilView(device, Depth, df, dsvd);
//DepthSRV = DXUtility.CreateShaderResourceView(device, Depth, dsrvf, srvd, 1, 0, 0, 0);
VramUsage += (wh * DXUtility.ElementSize(df));
}
}
}
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 void Init(Device device, int w, int h, int count, Format f, bool depth, Format df, int multisamplecount)
{
Count = count;
VramUsage = 0;
UseDepth = depth;
MultisampleCount = multisamplecount;
Multisampled = (multisamplecount > 1);
ResourceUsage u = ResourceUsage.Default;
BindFlags b = BindFlags.RenderTarget | BindFlags.ShaderResource;
int fs = DXUtility.ElementSize(f);
int wh = w * h;
BindFlags db = BindFlags.DepthStencil | BindFlags.ShaderResource; // D3D11_BIND_DEPTH_STENCIL;
RenderTargetViewDimension rtvd = RenderTargetViewDimension.Texture2D;
ShaderResourceViewDimension srvd = ShaderResourceViewDimension.Texture2D; // D3D11_SRV_DIMENSION_TEXTURE2D;
DepthStencilViewDimension dsvd = DepthStencilViewDimension.Texture2D;
if (Multisampled)
{
rtvd = RenderTargetViewDimension.Texture2DMultisampled;
srvd = ShaderResourceViewDimension.Texture2DMultisampled;
dsvd = DepthStencilViewDimension.Texture2DMultisampled;
}
Textures = new Texture2D[count];
RTVs = new RenderTargetView[count];
SRVs = new ShaderResourceView[count];
for (int i = 0; i < count; i++)
{
Textures[i] = DXUtility.CreateTexture2D(device, w, h, 1, 1, f, multisamplecount, 0, u, b, 0, 0);
RTVs[i] = DXUtility.CreateRenderTargetView(device, Textures[i], f, rtvd, 0, 0, 0);
SRVs[i] = DXUtility.CreateShaderResourceView(device, Textures[i], f, srvd, 1, 0, 0, 0);
VramUsage += (wh * fs) * multisamplecount;
}
if (depth)
{
Format dtexf = GpuTexture.GetDepthTexFormat(df);
Format dsrvf = GpuTexture.GetDepthSrvFormat(df);
Depth = DXUtility.CreateTexture2D(device, w, h, 1, 1, dtexf, multisamplecount, 0, u, db, 0, 0);
DSV = DXUtility.CreateDepthStencilView(device, Depth, df, dsvd);
DepthSRV = DXUtility.CreateShaderResourceView(device, Depth, dsrvf, srvd, 1, 0, 0, 0);
VramUsage += (wh * DXUtility.ElementSize(df)) * multisamplecount;
}
}
public void Init(Device device, int w, int h, int count, Format f, bool depth, Format df, int multisamplecount)
{
Count = count;
VramUsage = 0;
UseDepth = depth;
MultisampleCount = multisamplecount;
Multisampled = (multisamplecount > 1);
ResourceUsage u = ResourceUsage.Default;
BindFlags b = BindFlags.RenderTarget | BindFlags.ShaderResource;
int fs = DXUtility.ElementSize(f);
int wh = w * h;
BindFlags db = BindFlags.DepthStencil | BindFlags.ShaderResource; // D3D11_BIND_DEPTH_STENCIL;
RenderTargetViewDimension rtvd = RenderTargetViewDimension.Texture2D;
ShaderResourceViewDimension srvd = ShaderResourceViewDimension.Texture2D; // D3D11_SRV_DIMENSION_TEXTURE2D;
DepthStencilViewDimension dsvd = DepthStencilViewDimension.Texture2D;
if (Multisampled)
{
rtvd = RenderTargetViewDimension.Texture2DMultisampled;
srvd = ShaderResourceViewDimension.Texture2DMultisampled;
dsvd = DepthStencilViewDimension.Texture2DMultisampled;
}
Textures = new Texture2D[count];
RTVs = new RenderTargetView[count];
SRVs = new ShaderResourceView[count];
for (int i = 0; i < count; i++)
{
Textures[i] = DXUtility.CreateTexture2D(device, w, h, 1, 1, f, multisamplecount, 0, u, b, 0, 0);
RTVs[i] = DXUtility.CreateRenderTargetView(device, Textures[i], f, rtvd, 0, 0, 0);
SRVs[i] = DXUtility.CreateShaderResourceView(device, Textures[i], f, srvd, 1, 0, 0, 0);
VramUsage += (wh * fs) * multisamplecount;
}
if (depth)
{
Format dtexf = Format.R32_Typeless;
Format dsrvf = Format.R32_Float;
switch (df)
{
case Format.D16_UNorm:
dtexf = Format.R16_Typeless;
dsrvf = Format.R16_UNorm;
break;
case Format.D24_UNorm_S8_UInt:
dtexf = Format.R24G8_Typeless;
dsrvf = Format.R24_UNorm_X8_Typeless;
break;
case Format.D32_Float:
dtexf = Format.R32_Typeless;
dsrvf = Format.R32_Float;
break;
case Format.D32_Float_S8X24_UInt:
dtexf = Format.R32G8X24_Typeless; //is this right? who uses this anyway??
dsrvf = Format.R32_Float_X8X24_Typeless;
break;
}
Depth = DXUtility.CreateTexture2D(device, w, h, 1, 1, dtexf, multisamplecount, 0, u, db, 0, 0);
DSV = DXUtility.CreateDepthStencilView(device, Depth, df, dsvd);
DepthSRV = DXUtility.CreateShaderResourceView(device, Depth, dsrvf, srvd, 1, 0, 0, 0);
VramUsage += (wh * DXUtility.ElementSize(df)) * multisamplecount;
}
}