mirror of
https://mirror.ghproxy.com/https://github.com/dexyfex/CodeWalker
synced 2026-05-15 15:52:33 +08:00
Deferred shading
This commit is contained in:
dexy
@@ -0,0 +1,375 @@
|
||||
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;
|
||||
using SharpDX;
|
||||
using SharpDX.DXGI;
|
||||
using SharpDX.Mathematics.Interop;
|
||||
|
||||
namespace CodeWalker.Rendering
|
||||
{
|
||||
|
||||
public struct DeferredLightVSVars
|
||||
{
|
||||
public Matrix ViewProj;
|
||||
public Vector4 CameraPos;
|
||||
public uint LightType; //0=directional, 1=Point, 2=Spot, 4=Capsule
|
||||
public uint IsLOD; //useful or not?
|
||||
public uint Pad0;
|
||||
public uint Pad1;
|
||||
}
|
||||
public struct DeferredLightPSVars
|
||||
{
|
||||
public ShaderGlobalLightParams GlobalLights;
|
||||
public Matrix ViewProjInv;
|
||||
public Vector4 CameraPos;
|
||||
public uint EnableShadows;
|
||||
public uint RenderMode;//0=default, 1=normals, 2=tangents, 3=colours, 4=texcoords, 5=diffuse, 6=normalmap, 7=spec, 8=direct
|
||||
public uint RenderModeIndex; //colour/texcoord index
|
||||
public uint RenderSamplerCoord; //which texcoord to use in single texture mode
|
||||
public uint LightType; //0=directional, 1=Point, 2=Spot, 4=Capsule
|
||||
public uint IsLOD; //useful or not?
|
||||
public uint Pad0;
|
||||
public uint Pad1;
|
||||
}
|
||||
|
||||
|
||||
|
||||
public class DeferredScene
|
||||
{
|
||||
|
||||
public GpuMultiTexture GBuffers; // diffuse, normals, specular, irradiance
|
||||
|
||||
SamplerState SampleStatePoint;
|
||||
SamplerState SampleStateLinear;
|
||||
BlendState BlendState;
|
||||
long WindowSizeVramUsage = 0;
|
||||
int Width = 0;
|
||||
int Height = 0;
|
||||
ViewportF Viewport;
|
||||
|
||||
VertexShader LightVS;
|
||||
PixelShader LightPS;
|
||||
UnitCone LightCone;
|
||||
UnitSphere LightSphere;
|
||||
UnitCapsule LightCapsule;
|
||||
UnitQuad LightQuad;
|
||||
InputLayout LightQuadLayout;
|
||||
|
||||
|
||||
GpuVarsBuffer<DeferredLightVSVars> LightVSVars;
|
||||
GpuVarsBuffer<DeferredLightPSVars> LightPSVars;
|
||||
|
||||
|
||||
|
||||
public long VramUsage
|
||||
{
|
||||
get
|
||||
{
|
||||
return WindowSizeVramUsage;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
public DeferredScene(DXManager dxman)
|
||||
{
|
||||
var device = dxman.device;
|
||||
|
||||
byte[] bLightVS = File.ReadAllBytes("Shaders\\LightVS.cso");
|
||||
byte[] bLightPS = File.ReadAllBytes("Shaders\\LightPS.cso");
|
||||
|
||||
LightVS = new VertexShader(device, bLightVS);
|
||||
LightPS = new PixelShader(device, bLightPS);
|
||||
LightCone = new UnitCone(device, bLightVS, 4, false);
|
||||
LightSphere = new UnitSphere(device, bLightVS, 4, true);
|
||||
LightCapsule = new UnitCapsule(device, bLightVS, 4, false);
|
||||
LightQuad = new UnitQuad(device, true);
|
||||
LightQuadLayout = new InputLayout(device, bLightVS, 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);
|
||||
|
||||
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);
|
||||
|
||||
}
|
||||
public void Dispose()
|
||||
{
|
||||
DisposeBuffers();
|
||||
|
||||
if (BlendState != null)
|
||||
{
|
||||
BlendState.Dispose();
|
||||
BlendState = null;
|
||||
}
|
||||
if (SampleStateLinear != null)
|
||||
{
|
||||
SampleStateLinear.Dispose();
|
||||
SampleStateLinear = null;
|
||||
}
|
||||
if (SampleStatePoint != null)
|
||||
{
|
||||
SampleStatePoint.Dispose();
|
||||
SampleStatePoint = null;
|
||||
}
|
||||
if (LightVSVars != null)
|
||||
{
|
||||
LightVSVars.Dispose();
|
||||
LightVSVars = null;
|
||||
}
|
||||
if (LightPSVars != null)
|
||||
{
|
||||
LightPSVars.Dispose();
|
||||
LightPSVars = null;
|
||||
}
|
||||
if (LightQuadLayout != null)
|
||||
{
|
||||
LightQuadLayout.Dispose();
|
||||
LightQuadLayout = null;
|
||||
}
|
||||
if (LightQuad != null)
|
||||
{
|
||||
LightQuad.Dispose();
|
||||
LightQuad = null;
|
||||
}
|
||||
if (LightCone != null)
|
||||
{
|
||||
LightCone.Dispose();
|
||||
LightCone = null;
|
||||
}
|
||||
if (LightSphere != null)
|
||||
{
|
||||
LightSphere.Dispose();
|
||||
LightSphere = null;
|
||||
}
|
||||
if (LightCapsule != null)
|
||||
{
|
||||
LightCapsule.Dispose();
|
||||
LightCapsule = null;
|
||||
}
|
||||
if (LightPS != null)
|
||||
{
|
||||
LightPS.Dispose();
|
||||
LightPS = null;
|
||||
}
|
||||
if (LightVS != null)
|
||||
{
|
||||
LightVS.Dispose();
|
||||
LightVS = null;
|
||||
}
|
||||
}
|
||||
|
||||
public void OnWindowResize(DXManager dxman)
|
||||
{
|
||||
DisposeBuffers();
|
||||
|
||||
var device = dxman.device;
|
||||
|
||||
|
||||
|
||||
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;
|
||||
|
||||
|
||||
GBuffers = new GpuMultiTexture(device, uw, uh, 4, Format.R8G8B8A8_UNorm, true, Format.D32_Float);
|
||||
WindowSizeVramUsage += GBuffers.VramUsage;
|
||||
|
||||
}
|
||||
public void DisposeBuffers()
|
||||
{
|
||||
if (GBuffers != null)
|
||||
{
|
||||
GBuffers.Dispose();
|
||||
GBuffers = null;
|
||||
}
|
||||
WindowSizeVramUsage = 0;
|
||||
}
|
||||
|
||||
public void Clear(DeviceContext context)
|
||||
{
|
||||
//Color4 clearColour = new Color4(0.2f, 0.4f, 0.6f, 0.0f);
|
||||
Color4 clearColour = new Color4(0.0f, 0.0f, 0.0f, 0.0f);
|
||||
|
||||
GBuffers.Clear(context, clearColour);
|
||||
}
|
||||
public void ClearDepth(DeviceContext context)
|
||||
{
|
||||
GBuffers.ClearDepth(context);
|
||||
}
|
||||
public void SetPrimary(DeviceContext context)
|
||||
{
|
||||
GBuffers.SetRenderTargets(context);
|
||||
context.Rasterizer.SetViewport(Viewport);
|
||||
}
|
||||
|
||||
public void RenderLights(DeviceContext context, Camera camera, Shadowmap globalShadows, ShaderGlobalLights globalLights)
|
||||
{
|
||||
uint rendermode = 0;
|
||||
uint rendermodeind = 1;
|
||||
|
||||
//first full-screen directional light pass, for sun/moon
|
||||
//discard pixels where scene depth is 0, since nothing was rendered there
|
||||
//blend mode: overwrite
|
||||
|
||||
context.VertexShader.Set(LightVS);
|
||||
context.PixelShader.Set(LightPS);
|
||||
|
||||
LightVSVars.Vars.ViewProj = Matrix.Identity; //Matrix.Transpose(camera.ViewProjMatrix);
|
||||
LightVSVars.Vars.CameraPos = Vector4.Zero; //new Vector4(camera.Position, 0.0f);
|
||||
LightVSVars.Vars.LightType = 0;
|
||||
LightVSVars.Vars.IsLOD = 0;
|
||||
LightVSVars.Vars.Pad0 = 0;
|
||||
LightVSVars.Vars.Pad1 = 0;
|
||||
LightVSVars.Update(context);
|
||||
LightVSVars.SetVSCBuffer(context, 0);
|
||||
|
||||
LightPSVars.Vars.GlobalLights = globalLights.Params;
|
||||
LightPSVars.Vars.ViewProjInv = Matrix.Transpose(camera.ViewProjInvMatrix);
|
||||
LightPSVars.Vars.CameraPos = Vector4.Zero; //new Vector4(camera.Position, 0.0f);
|
||||
LightPSVars.Vars.EnableShadows = (globalShadows != null) ? 1u : 0u;
|
||||
LightPSVars.Vars.RenderMode = rendermode;
|
||||
LightPSVars.Vars.RenderModeIndex = rendermodeind;
|
||||
LightPSVars.Vars.RenderSamplerCoord = 0;// (uint)RenderTextureSamplerCoord;
|
||||
LightPSVars.Vars.LightType = 0;
|
||||
LightPSVars.Vars.IsLOD = 0;
|
||||
LightPSVars.Vars.Pad0 = 0;
|
||||
LightPSVars.Vars.Pad1 = 0;
|
||||
LightPSVars.Update(context);
|
||||
LightPSVars.SetPSCBuffer(context, 0);
|
||||
|
||||
context.PixelShader.SetShaderResources(0, GBuffers.DepthSRV);
|
||||
context.PixelShader.SetShaderResources(2, GBuffers.SRVs);
|
||||
|
||||
if (globalShadows != null)
|
||||
{
|
||||
globalShadows.SetFinalRenderResources(context);
|
||||
}
|
||||
|
||||
context.InputAssembler.InputLayout = LightQuadLayout;
|
||||
LightQuad.Draw(context);
|
||||
|
||||
|
||||
context.VertexShader.Set(null);
|
||||
context.PixelShader.Set(null);
|
||||
context.PixelShader.SetShaderResources(0, null, null, null);
|
||||
context.PixelShader.SetSamplers(0, null, null);
|
||||
}
|
||||
|
||||
|
||||
public void RenderLights(DeviceContext context, Camera camera, List<RenderableLODLights> lodlights)
|
||||
{
|
||||
//instanced rendering of all other lights, using appropriate shapes
|
||||
//blend mode: additive
|
||||
|
||||
|
||||
context.VertexShader.Set(LightVS);
|
||||
context.PixelShader.Set(LightPS);
|
||||
|
||||
LightVSVars.Vars.ViewProj = Matrix.Transpose(camera.ViewProjMatrix);
|
||||
LightVSVars.Vars.CameraPos = new Vector4(camera.Position, 0.0f);
|
||||
LightVSVars.Vars.LightType = 0;
|
||||
LightVSVars.Vars.IsLOD = 0;
|
||||
LightVSVars.Vars.Pad0 = 0;
|
||||
LightVSVars.Vars.Pad1 = 0;
|
||||
|
||||
//LightPSVars.Vars.GlobalLights = globalLights.Params;
|
||||
LightPSVars.Vars.ViewProjInv = Matrix.Transpose(camera.ViewProjInvMatrix);
|
||||
LightPSVars.Vars.CameraPos = new Vector4(camera.Position, 0.0f);
|
||||
LightPSVars.Vars.EnableShadows = 0;// (globalShadows != null) ? 1u : 0u;
|
||||
LightPSVars.Vars.RenderMode = 0;// rendermode;
|
||||
LightPSVars.Vars.RenderModeIndex = 1;// rendermodeind;
|
||||
LightPSVars.Vars.RenderSamplerCoord = 0;// (uint)RenderTextureSamplerCoord;
|
||||
LightPSVars.Vars.LightType = 0;
|
||||
LightPSVars.Vars.IsLOD = 0;
|
||||
LightPSVars.Vars.Pad0 = 0;
|
||||
LightPSVars.Vars.Pad1 = 0;
|
||||
|
||||
context.PixelShader.SetShaderResources(0, GBuffers.DepthSRV);
|
||||
context.PixelShader.SetShaderResources(2, GBuffers.SRVs);
|
||||
|
||||
//if (globalShadows != null)
|
||||
//{
|
||||
// globalShadows.SetFinalRenderResources(context);
|
||||
//}
|
||||
|
||||
|
||||
foreach (var rll in lodlights)
|
||||
{
|
||||
if (rll.PointsBuffer != null)
|
||||
{
|
||||
context.VertexShader.SetShaderResources(0, rll.PointsBuffer.SRV);
|
||||
context.PixelShader.SetShaderResources(6, rll.PointsBuffer.SRV);
|
||||
LightVSVars.Vars.LightType = 1;
|
||||
LightVSVars.Update(context);
|
||||
LightVSVars.SetVSCBuffer(context, 0);
|
||||
LightPSVars.Vars.LightType = 1;
|
||||
LightPSVars.Update(context);
|
||||
LightPSVars.SetPSCBuffer(context, 0);
|
||||
LightSphere.DrawInstanced(context, rll.PointsBuffer.StructCount);
|
||||
}
|
||||
if (rll.SpotsBuffer != null)
|
||||
{
|
||||
context.VertexShader.SetShaderResources(0, rll.SpotsBuffer.SRV);
|
||||
context.PixelShader.SetShaderResources(6, rll.SpotsBuffer.SRV);
|
||||
LightVSVars.Vars.LightType = 2;
|
||||
LightVSVars.Update(context);
|
||||
LightVSVars.SetVSCBuffer(context, 0);
|
||||
LightPSVars.Vars.LightType = 2;
|
||||
LightPSVars.Update(context);
|
||||
LightPSVars.SetPSCBuffer(context, 0);
|
||||
LightCone.DrawInstanced(context, rll.SpotsBuffer.StructCount);
|
||||
}
|
||||
if (rll.CapsBuffer != null)
|
||||
{
|
||||
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);
|
||||
|
||||
|
||||
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user