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Hardware MSAA support for deferred render

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This commit is contained in:
dexy
2019-12-04 20:14:11 +11:00
Unverified
parent 152d439f89
commit f333e64812
14 changed files with 231 additions and 48 deletions
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Rendering/Shaders/DeferredScene.cs
+55 -32
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@@ -37,8 +37,8 @@ namespace CodeWalker.Rendering
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 uint SampleCount;//for MSAA
public float SampleMult;//for MSAA
}
public struct DeferredSSAAPSVars
@@ -66,8 +66,10 @@ namespace CodeWalker.Rendering
VertexShader DirLightVS;
PixelShader DirLightPS;
PixelShader DirLightMSPS;
VertexShader LodLightVS;
PixelShader LodLightPS;
PixelShader LodLightMSPS;
UnitCone LightCone;
UnitSphere LightSphere;
UnitCapsule LightCapsule;
@@ -86,6 +88,11 @@ namespace CodeWalker.Rendering
public int SSAASampleCount = 1;
public int MSAASampleCount = 4;
public long VramUsage
{
get
@@ -102,8 +109,10 @@ namespace CodeWalker.Rendering
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[] bFinalVS = File.ReadAllBytes("Shaders\\PPFinalPassVS.cso");
byte[] bSSAAPS = File.ReadAllBytes("Shaders\\PPSSAAPS.cso");
@@ -111,6 +120,19 @@ namespace CodeWalker.Rendering
DirLightPS = new PixelShader(device, bDirLightPS);
LodLightVS = new VertexShader(device, bLodLightVS);
LodLightPS = new PixelShader(device, bLodLightPS);
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);
}
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);
@@ -198,6 +220,11 @@ namespace CodeWalker.Rendering
DirLightPS.Dispose();
DirLightPS = null;
}
if (DirLightMSPS != null)
{
DirLightMSPS.Dispose();
DirLightMSPS = null;
}
if (DirLightVS != null)
{
DirLightVS.Dispose();
@@ -208,6 +235,11 @@ namespace CodeWalker.Rendering
LodLightPS.Dispose();
LodLightPS = null;
}
if (LodLightMSPS != null)
{
LodLightMSPS.Dispose();
LodLightMSPS = null;
}
if (LodLightVS != null)
{
LodLightVS.Dispose();
@@ -249,7 +281,7 @@ namespace CodeWalker.Rendering
Viewport.Y = 0.0f;
GBuffers = new GpuMultiTexture(device, uw, uh, 4, Format.R8G8B8A8_UNorm, true, Format.D32_Float);
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);
@@ -293,18 +325,18 @@ namespace CodeWalker.Rendering
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(DirLightVS);
context.PixelShader.Set(DirLightPS);
var ps = (MSAASampleCount > 1) ? DirLightMSPS : DirLightPS;
LightVSVars.Vars.ViewProj = Matrix.Identity; //Matrix.Transpose(camera.ViewProjMatrix);
LightVSVars.Vars.CameraPos = Vector4.Zero; //new Vector4(camera.Position, 0.0f);
context.VertexShader.Set(DirLightVS);
context.PixelShader.Set(ps);
LightVSVars.Vars.ViewProj = Matrix.Identity;
LightVSVars.Vars.CameraPos = Vector4.Zero;
LightVSVars.Vars.LightType = 0;
LightVSVars.Vars.IsLOD = 0;
LightVSVars.Vars.Pad0 = 0;
@@ -314,15 +346,15 @@ namespace CodeWalker.Rendering
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.CameraPos = Vector4.Zero;
LightPSVars.Vars.EnableShadows = (globalShadows != null) ? 1u : 0u;
LightPSVars.Vars.RenderMode = rendermode;
LightPSVars.Vars.RenderModeIndex = rendermodeind;
LightPSVars.Vars.RenderSamplerCoord = 0;// (uint)RenderTextureSamplerCoord;
LightPSVars.Vars.RenderMode = 0;
LightPSVars.Vars.RenderModeIndex = 1;
LightPSVars.Vars.RenderSamplerCoord = 0;
LightPSVars.Vars.LightType = 0;
LightPSVars.Vars.IsLOD = 0;
LightPSVars.Vars.Pad0 = 0;
LightPSVars.Vars.Pad1 = 0;
LightPSVars.Vars.SampleCount = (uint)MSAASampleCount;
LightPSVars.Vars.SampleMult = 1.0f / MSAASampleCount;
LightPSVars.Update(context);
LightPSVars.SetPSCBuffer(context, 0);
@@ -350,9 +382,10 @@ namespace CodeWalker.Rendering
//instanced rendering of all other lights, using appropriate shapes
//blend mode: additive
var ps = (MSAASampleCount > 1) ? LodLightMSPS : LodLightPS;
context.VertexShader.Set(LodLightVS);
context.PixelShader.Set(LodLightPS);
context.PixelShader.Set(ps);
LightVSVars.Vars.ViewProj = Matrix.Transpose(camera.ViewProjMatrix);
LightVSVars.Vars.CameraPos = new Vector4(camera.Position, 0.0f);
@@ -361,26 +394,20 @@ namespace CodeWalker.Rendering
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.EnableShadows = 0;
LightPSVars.Vars.RenderMode = 0;
LightPSVars.Vars.RenderModeIndex = 1;
LightPSVars.Vars.RenderSamplerCoord = 0;
LightPSVars.Vars.LightType = 0;
LightPSVars.Vars.IsLOD = 0;
LightPSVars.Vars.Pad0 = 0;
LightPSVars.Vars.Pad1 = 0;
LightPSVars.Vars.SampleCount = (uint)MSAASampleCount;
LightPSVars.Vars.SampleMult = 1.0f / MSAASampleCount;
context.PixelShader.SetShaderResources(0, GBuffers.DepthSRV);
context.PixelShader.SetShaderResources(2, GBuffers.SRVs);
//if (globalShadows != null)
//{
// globalShadows.SetFinalRenderResources(context);
//}
foreach (var rll in lodlights)
{
@@ -427,10 +454,6 @@ namespace CodeWalker.Rendering
context.PixelShader.Set(null);
context.PixelShader.SetShaderResources(0, null, null, null);
context.PixelShader.SetSamplers(0, null, null);
}