public void OnWindowResize(DXManager dxman)
{
DisposeBuffers();
var device = dxman.device;
int uw = Width = dxman.backbuffer.Description.Width * SSAASampleCount;
int uh = Height = dxman.backbuffer.Description.Height * SSAASampleCount;
Viewport = new ViewportF();
Viewport.Width = (float)uw;
Viewport.Height = (float)uh;
Viewport.MinDepth = 0.0f;
Viewport.MaxDepth = 1.0f;
Viewport.X = 0.0f;
Viewport.Y = 0.0f;
GBuffers = new GpuMultiTexture(device, uw, uh, 4, Format.R8G8B8A8_UNorm, true, Format.D32_Float, MSAASampleCount);
WindowSizeVramUsage += GBuffers.VramUsage;
SceneColour = new GpuTexture(device, uw, uh, Format.R32G32B32A32_Float, 1, 0, true, Format.D32_Float);
WindowSizeVramUsage += SceneColour.VramUsage;
}
public void OnWindowResize(DXManager dxman)
{
DisposeBuffers();
var device = dxman.device;
int sc = dxman.multisamplecount;
int sq = dxman.multisamplequality;
Multisampled = (sc > 1);
int uw = Width = dxman.backbuffer.Description.Width;
int uh = Height = dxman.backbuffer.Description.Height;
Viewport = new ViewportF();
Viewport.Width = (float)uw;
Viewport.Height = (float)uh;
Viewport.MinDepth = 0.0f;
Viewport.MaxDepth = 1.0f;
Viewport.X = 0.0f;
Viewport.Y = 0.0f;
Format f = Format.R32G32B32A32_Float;
Format df = Format.D32_Float;
Primary = new GpuTexture(device, uw, uh, f, sc, sq, true, df);
WindowSizeVramUsage += Primary.VramUsage;
int rc = (int)(Math.Ceiling(uw / 8.0f) * Math.Ceiling(uh / 8.0f));
Reduction0 = new GpuBuffer <float>(device, 1, rc);
Reduction1 = new GpuBuffer <float>(device, 1, rc);
WindowSizeVramUsage += sizeof(float) * rc * 2;
LumBlendResult = new GpuBuffer <float>(device, 1, 1);
WindowSizeVramUsage += sizeof(float); //because 4 bytes matter
int tw = uw / 8;
int th = uh / 8;
rc = tw * th;
f = Format.R8G8B8A8_UNorm;
Bloom0 = new GpuBuffer <Vector4>(device, 1, rc);
Bloom1 = new GpuBuffer <Vector4>(device, 1, rc);
WindowSizeVramUsage += /*sizeof(V4F)*/ 16 * rc * 2;
Bloom = new GpuTexture(device, tw, th, f, 1, 0, false, df);
WindowSizeVramUsage += Bloom.VramUsage;
}
public void DisposeBuffers()
{
if (GBuffers != null)
{
GBuffers.Dispose();
GBuffers = null;
}
if (SceneColour != null)
{
SceneColour.Dispose();
SceneColour = null;
}
WindowSizeVramUsage = 0;
}
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 DisposeBuffers()
{
if (Bloom != null)
{
Bloom.Dispose();
Bloom = null;
}
if (Bloom0 != null)
{
Bloom0.Dispose();
Bloom0 = null;
}
if (Bloom1 != null)
{
Bloom1.Dispose();
Bloom1 = null;
}
if (LumBlendResult != null)
{
LumBlendResult.Dispose();
LumBlendResult = null;
}
if (Reduction0 != null)
{
Reduction0.Dispose();
Reduction0 = null;
}
if (Reduction1 != null)
{
Reduction1.Dispose();
Reduction1 = null;
}
if (Primary != null)
{
Primary.Dispose();
Primary = null;
}
WindowSizeVramUsage = 0;
}