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Added MSAA pass to deferred render

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This commit is contained in:
dexy
2019-12-04 04:33:27 +11:00
Unverified
parent 21ed53e00f
commit 1843d70652
6 changed files with 165 additions and 18 deletions
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Rendering/Shaders/DeferredScene.cs
+85 -7
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@@ -41,12 +41,20 @@ namespace CodeWalker.Rendering
public uint Pad1;
}
public struct DeferredMSAAPSVars
{
public uint SampleCount;
public float SampleMult;
public float TexelSizeX;
public float TexelSizeY;
}
public class DeferredScene
{
public GpuMultiTexture GBuffers; // diffuse, normals, specular, irradiance
public GpuTexture SceneColour; //final scene colour buffer
SamplerState SampleStatePoint;
SamplerState SampleStateLinear;
@@ -69,6 +77,13 @@ namespace CodeWalker.Rendering
GpuVarsBuffer<DeferredLightPSVars> LightPSVars;
int MSAASampleCount = 1;
VertexShader FinalVS;
PixelShader MSAAPS;
GpuVarsBuffer<DeferredMSAAPSVars> MSAAPSVars;
public long VramUsage
{
@@ -86,6 +101,8 @@ namespace CodeWalker.Rendering
byte[] bLightVS = File.ReadAllBytes("Shaders\\LightVS.cso");
byte[] bLightPS = File.ReadAllBytes("Shaders\\LightPS.cso");
byte[] bFinalVS = File.ReadAllBytes("Shaders\\PPFinalPassVS.cso");
byte[] bMSAAPS = File.ReadAllBytes("Shaders\\PPMSAAPS.cso");
LightVS = new VertexShader(device, bLightVS);
LightPS = new PixelShader(device, bLightPS);
@@ -102,6 +119,12 @@ namespace CodeWalker.Rendering
LightVSVars = new GpuVarsBuffer<DeferredLightVSVars>(device);
LightPSVars = new GpuVarsBuffer<DeferredLightPSVars>(device);
FinalVS = new VertexShader(device, bFinalVS);
MSAAPS = new PixelShader(device, bMSAAPS);
MSAAPSVars = new GpuVarsBuffer<DeferredMSAAPSVars>(device);
TextureAddressMode a = TextureAddressMode.Clamp;
Color4 b = new Color4(0.0f, 0.0f, 0.0f, 0.0f);
Comparison c = Comparison.Always;
@@ -175,6 +198,21 @@ namespace CodeWalker.Rendering
LightVS.Dispose();
LightVS = null;
}
if (MSAAPSVars != null)
{
MSAAPSVars.Dispose();
MSAAPSVars = null;
}
if (MSAAPS != null)
{
MSAAPS.Dispose();
MSAAPS = null;
}
if (FinalVS != null)
{
FinalVS.Dispose();
FinalVS = null;
}
}
public void OnWindowResize(DXManager dxman)
@@ -185,8 +223,8 @@ namespace CodeWalker.Rendering
int uw = Width = dxman.backbuffer.Description.Width;
int uh = Height = dxman.backbuffer.Description.Height;
int uw = Width = dxman.backbuffer.Description.Width * MSAASampleCount;
int uh = Height = dxman.backbuffer.Description.Height * MSAASampleCount;
Viewport = new ViewportF();
Viewport.Width = (float)uw;
Viewport.Height = (float)uh;
@@ -199,6 +237,8 @@ namespace CodeWalker.Rendering
GBuffers = new GpuMultiTexture(device, uw, uh, 4, Format.R8G8B8A8_UNorm, true, Format.D32_Float);
WindowSizeVramUsage += GBuffers.VramUsage;
SceneColour = new GpuTexture(device, uw, uh, Format.R32G32B32A32_Float, 1, 0, true, Format.D32_Float);
WindowSizeVramUsage += SceneColour.VramUsage;
}
public void DisposeBuffers()
{
@@ -207,25 +247,34 @@ namespace CodeWalker.Rendering
GBuffers.Dispose();
GBuffers = null;
}
if (SceneColour != null)
{
SceneColour.Dispose();
SceneColour = 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);
GBuffers.Clear(context, new Color4(0.0f, 0.0f, 0.0f, 0.0f));
SceneColour.Clear(context, new Color4(0.2f, 0.4f, 0.6f, 0.0f));
}
public void ClearDepth(DeviceContext context)
{
GBuffers.ClearDepth(context);
SceneColour.ClearDepth(context);
}
public void SetPrimary(DeviceContext context)
public void SetGBuffers(DeviceContext context)
{
GBuffers.SetRenderTargets(context);
context.Rasterizer.SetViewport(Viewport);
}
public void SetSceneColour(DeviceContext context)
{
SceneColour.SetRenderTarget(context);
context.Rasterizer.SetViewport(Viewport);
}
public void RenderLights(DeviceContext context, Camera camera, Shadowmap globalShadows, ShaderGlobalLights globalLights)
{
@@ -371,5 +420,34 @@ namespace CodeWalker.Rendering
public void FinalPass(DeviceContext context)
{
//do antialiasing from SceneColour into HDR primary
context.VertexShader.Set(FinalVS);
context.PixelShader.Set(MSAAPS);
context.PixelShader.SetShaderResources(0, SceneColour.SRV);
context.PixelShader.SetSamplers(0, SampleStatePoint);
MSAAPSVars.Vars.SampleCount = (uint)MSAASampleCount;
MSAAPSVars.Vars.SampleMult = 1.0f / (MSAASampleCount * MSAASampleCount);
MSAAPSVars.Vars.TexelSizeX = 1.0f / Width;
MSAAPSVars.Vars.TexelSizeY = 1.0f / Height;
MSAAPSVars.Update(context);
MSAAPSVars.SetPSCBuffer(context, 0);
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);
}
}
}