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tone mapping

pull/2/head
cosmonaut 2020-09-20 23:01:13 -07:00
parent a341d3ba93
commit 3389897d08
6 changed files with 42 additions and 2 deletions
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BIN
Effects/FXB/ToneMapEffect.fxb Normal file
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20
Effects/HLSL/ToneMapEffect.fx Normal file
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@ -0,0 +1,20 @@
sampler TextureSampler : register(s0);
float4 main_ps(float2 texCoord : TEXCOORD0) : COLOR0
{
float3 color = tex2D(TextureSampler, texCoord).xyz;
color = color / (color + float3(1.0, 1.0, 1.0));
float exposureConstant = 1.0 / 2.2;
color = pow(color, float3(exposureConstant, exposureConstant, exposureConstant));
return float4(color, 1.0);
}
Technique DeferredPBR
{
Pass
{
PixelShader = compile ps_3_0 main_ps();
}
}

3
Kav.Core.csproj
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@ -27,6 +27,9 @@
<EmbeddedResource Include="Effects\FXB\DeferredPBR_GBufferEffect.fxb">
<LogicalName>Kav.Resources.DeferredPBR_GBufferEffect.fxb</LogicalName>
</EmbeddedResource>
<EmbeddedResource Include="Effects\FXB\ToneMapEffect.fxb">
<LogicalName>Kav.Resources.ToneMapEffect.fxb</LogicalName>
</EmbeddedResource>
<EmbeddedResource Include="Effects\FXB\DeferredPBREffect.fxb">
<LogicalName>Kav.Resources.DeferredPBREffect.fxb</LogicalName>
</EmbeddedResource>

3
Kav.Framework.csproj
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@ -27,6 +27,9 @@
<EmbeddedResource Include="Effects\FXB\DeferredPBR_GBufferEffect.fxb">
<LogicalName>Kav.Resources.DeferredPBR_GBufferEffect.fxb</LogicalName>
</EmbeddedResource>
<EmbeddedResource Include="Effects\FXB\ToneMapEffect.fxb">
<LogicalName>Kav.Resources.ToneMapEffect.fxb</LogicalName>
</EmbeddedResource>
<EmbeddedResource Include="Effects\FXB\DeferredPBREffect.fxb">
<LogicalName>Kav.Resources.DeferredPBREffect.fxb</LogicalName>
</EmbeddedResource>

5
Renderer.cs
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@ -25,6 +25,7 @@ namespace Kav
private DeferredPBR_PointLightEffect DeferredPointLightEffect { get; }
private DeferredPBR_DirectionalLightEffect DeferredDirectionalLightEffect { get; }
private SimpleDepthEffect SimpleDepthEffect { get; }
private Effect ToneMapEffect { get; }
private RenderTarget2D gPosition { get; }
private RenderTarget2D gNormal { get; }
@ -133,8 +134,8 @@ namespace Kav
DeferredAmbientLightEffect = new DeferredPBR_AmbientLightEffect(GraphicsDevice);
DeferredPointLightEffect = new DeferredPBR_PointLightEffect(GraphicsDevice);
DeferredDirectionalLightEffect = new DeferredPBR_DirectionalLightEffect(GraphicsDevice);
DeferredDirectionalLightEffect.ShadowMapSize = ShadowMapSize;
ToneMapEffect = new Effect(graphicsDevice, Resources.ToneMapEffect);
FullscreenTriangle = new VertexBuffer(GraphicsDevice, typeof(VertexPositionTexture), 3, BufferUsage.WriteOnly);
FullscreenTriangle.SetData(new VertexPositionTexture[3] {
@ -223,7 +224,7 @@ namespace Kav
GraphicsDevice.SetRenderTarget(null);
GraphicsDevice.Clear(Color.Black);
SpriteBatch.Begin(SpriteSortMode.Deferred, BlendState.Opaque);
SpriteBatch.Begin(SpriteSortMode.Deferred, BlendState.Opaque, null, null, null, ToneMapEffect);
SpriteBatch.Draw(ColorRenderTarget, Vector2.Zero, Color.White);
SpriteBatch.End();
}

13
Resources.cs
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@ -51,6 +51,18 @@ namespace Kav
}
}
public static byte[] ToneMapEffect
{
get
{
if (toneMapEffect == null)
{
toneMapEffect = GetResource("ToneMapEffect");
}
return toneMapEffect;
}
}
public static byte[] DeferredPBREffect
{
get
@ -91,6 +103,7 @@ namespace Kav
private static byte[] pointLightEffect;
private static byte[] directionalLightEffect;
private static byte[] gBufferEffect;
private static byte[] toneMapEffect;
private static byte[] deferredPBREffect;
private static byte[] pbrEffect;
private static byte[] simpleDepthEffect;