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Fix Temporal Anti Aliasing ghosting and improve quality of blending

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#1786
This commit is contained in:
Wojtek Figat
2024-02-28 02:05:06 +01:00
parent 0a0bb997e4
commit 901b043909
5 changed files with 45 additions and 20 deletions
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6
Source/Engine/Graphics/PostProcessSettings.h
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@@ -1889,13 +1889,13 @@ API_STRUCT() struct FLAXENGINE_API AntiAliasingSettings : ISerializable
/// The diameter (in texels) inside which jitter samples are spread. Smaller values result in crisper but more aliased output, while larger values result in more stable but blurrier output.
/// </summary>
API_FIELD(Attributes="Limit(0.1f, 1f, 0.001f), EditorOrder(1), PostProcessSetting((int)AntiAliasingSettingsOverride.TAA_JitterSpread), EditorDisplay(null, \"TAA Jitter Spread\")")
float TAA_JitterSpread = 0.75f;
float TAA_JitterSpread = 1.0f;
/// <summary>
/// Controls the amount of sharpening applied to the color buffer. TAA can induce a slight loss of details in high frequency regions. Sharpening alleviates this issue. High values may introduce dark-border artifacts.
/// </summary>
API_FIELD(Attributes="Limit(0, 3f, 0.001f), EditorOrder(2), PostProcessSetting((int)AntiAliasingSettingsOverride.TAA_Sharpness), EditorDisplay(null, \"TAA Sharpness\")")
float TAA_Sharpness = 0.0f;
float TAA_Sharpness = 0.1f;
/// <summary>
/// The blend coefficient for stationary fragments. Controls the percentage of history samples blended into the final color for fragments with minimal active motion.
@@ -1907,7 +1907,7 @@ API_STRUCT() struct FLAXENGINE_API AntiAliasingSettings : ISerializable
/// The blending coefficient for moving fragments. Controls the percentage of history samples blended into the final color for fragments with significant active motion.
/// </summary>
API_FIELD(Attributes="Limit(0, 0.99f, 0.001f), EditorOrder(4), PostProcessSetting((int)AntiAliasingSettingsOverride.TAA_MotionBlending), EditorDisplay(null, \"TAA Motion Blending\")")
float TAA_MotionBlending = 0.7f;
float TAA_MotionBlending = 0.85f;
public:
/// <summary>

2
Source/Engine/Graphics/RenderView.cpp
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@@ -26,7 +26,7 @@ void RenderView::Prepare(RenderContext& renderContext)
TaaFrameIndex = 0;
// Calculate jitter
const float jitterSpread = renderContext.List->Settings.AntiAliasing.TAA_JitterSpread / 0.75f;
const float jitterSpread = renderContext.List->Settings.AntiAliasing.TAA_JitterSpread;
const float jitterX = (RendererUtils::TemporalHalton(TaaFrameIndex + 1, 2) - 0.5f) * jitterSpread;
const float jitterY = (RendererUtils::TemporalHalton(TaaFrameIndex + 1, 3) - 0.5f) * jitterSpread;
taaJitter = Float2(jitterX * 2.0f / width, jitterY * 2.0f / height);