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Add minor improvements and adjust 3rd DDGI cascade for better world coverage

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This commit is contained in:
Wojciech Figat
2026-05-07 16:38:15 +02:00
parent e7fd901807
commit c17a9f653e
4 changed files with 10 additions and 10 deletions
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Source/Engine/Core/Config/GraphicsSettings.h
+1 -1
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@@ -127,7 +127,7 @@ public:
/// <summary>
/// The Global Illumination probes spacing distance (in world units). Defines the quality of the GI resolution. Adjust to 200-500 to improve performance and lower frequency GI data.
/// </summary>
API_FIELD(Attributes="EditorOrder(2120), Limit(50, 1000), EditorDisplay(\"Global Illumination\")")
API_FIELD(Attributes="EditorOrder(2120), Limit(50, 1000), EditorDisplay(\"Global Illumination\"), ValueCategory(Utils.ValueCategory.Distance)")
float GIProbesSpacing = 100;
/// <summary>
Source/Engine/Graphics/PostProcessSettings.h
+4 -4
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@@ -382,7 +382,7 @@ API_STRUCT() struct FLAXENGINE_API GlobalIlluminationSettings : ISerializable
/// <summary>
/// Draw distance of the Global Illumination effect. Scene outside the range will use fallback irradiance.
/// </summary>
API_FIELD(Attributes="EditorOrder(30), Limit(1000), PostProcessSetting((int)GlobalIlluminationSettingsOverride.Distance)")
API_FIELD(Attributes="EditorOrder(30), Limit(1000), PostProcessSetting((int)GlobalIlluminationSettingsOverride.Distance), ValueCategory(Utils.ValueCategory.Distance)")
float Distance = 20000.0f;
/// <summary>
@@ -1819,17 +1819,17 @@ API_STRUCT() struct FLAXENGINE_API ScreenSpaceReflectionsSettings : ISerializabl
/// <summary>
/// The effect fade out end distance from camera (in world units).
/// </summary>
API_FIELD(Attributes="Limit(0), EditorOrder(31), PostProcessSetting((int)ScreenSpaceReflectionsSettingsOverride.FadeOutDistance)")
API_FIELD(Attributes="Limit(0), EditorOrder(31), PostProcessSetting((int)ScreenSpaceReflectionsSettingsOverride.FadeOutDistance), ValueCategory(Utils.ValueCategory.Distance)")
float FadeOutDistance = 5000.0f;
/// <summary>
/// The effect fade distance (in world units). Defines the size of the effect fade from fully visible to fully invisible at FadeOutDistance.
/// </summary>
API_FIELD(Attributes="Limit(0), EditorOrder(32), PostProcessSetting((int)ScreenSpaceReflectionsSettingsOverride.FadeDistance)")
API_FIELD(Attributes="Limit(0), EditorOrder(32), PostProcessSetting((int)ScreenSpaceReflectionsSettingsOverride.FadeDistance), ValueCategory(Utils.ValueCategory.Distance)")
float FadeDistance = 500.0f;
/// <summary>
/// "The input color buffer downscale mode that uses blurred mipmaps when resolving the reflection color. Produces more realistic results by blurring distant parts of reflections in rough (low-gloss) materials. It also improves performance on most platforms but uses more memory.
/// The input color buffer downscale mode that uses blurred mipmaps when resolving the reflection color. Produces more realistic results by blurring distant parts of reflections in rough (low-gloss) materials. It also improves performance on most platforms but uses more memory.
/// </summary>
API_FIELD(Attributes="EditorOrder(40), PostProcessSetting((int)ScreenSpaceReflectionsSettingsOverride.UseColorBufferMips), EditorDisplay(null, \"Use Color Buffer Mips\")")
bool UseColorBufferMips = true;
Source/Engine/Level/Actors/Light.h
+3 -3
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@@ -31,7 +31,7 @@ public:
/// <summary>
/// Controls light visibility range. The distance at which the light becomes completely faded (blend happens on the last 10% of that range). Use a value of 0 to always draw light.
/// </summary>
API_FIELD(Attributes="EditorOrder(35), Limit(0, float.MaxValue, 10.0f), EditorDisplay(\"Light\")")
API_FIELD(Attributes="EditorOrder(35), Limit(0, float.MaxValue, 10.0f), EditorDisplay(\"Light\"), ValueCategory(Utils.ValueCategory.Distance)")
float ViewDistance = 0.0f;
/// <summary>
@@ -126,13 +126,13 @@ public:
/// <summary>
/// Shadows casting distance from view.
/// </summary>
API_FIELD(Attributes="EditorOrder(80), EditorDisplay(\"Shadow\", \"Distance\"), Limit(0, 1000000)")
API_FIELD(Attributes="EditorOrder(80), EditorDisplay(\"Shadow\", \"Distance\"), Limit(0, 1000000), ValueCategory(Utils.ValueCategory.Distance)")
float ShadowsDistance = 5000.0f;
/// <summary>
/// Shadows fade off distance.
/// </summary>
API_FIELD(Attributes="EditorOrder(90), EditorDisplay(\"Shadow\", \"Fade Distance\"), Limit(0.0f, 10000.0f, 0.1f)")
API_FIELD(Attributes="EditorOrder(90), EditorDisplay(\"Shadow\", \"Fade Distance\"), Limit(0.0f, 10000.0f, 0.1f), ValueCategory(Utils.ValueCategory.Distance)")
float ShadowsFadeDistance = 500.0f;
/// <summary>
Source/Engine/Renderer/GI/DynamicDiffuseGlobalIllumination.cpp
+2 -2
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@@ -343,7 +343,7 @@ bool DynamicDiffuseGlobalIlluminationPass::RenderInner(RenderContext& renderCont
}
// Calculate the probes count based on the amount of cascades and the distance to cover
const float cascadesDistanceScales[] = { 1.0f, 3.0f, 5.0f, 10.0f }; // Scales each cascade further away from the camera origin
const float cascadesDistanceScales[] = { 1.0f, 3.0f, 6.0f, 10.0f }; // Scales each cascade further away from the camera origin
const float distanceExtent = distance / cascadesDistanceScales[cascadesCount - 1];
const float verticalRangeScale = 0.8f; // Scales the probes volume size at Y axis (horizontal aspect ratio makes the DDGI use less probes vertically to cover whole screen)
Int3 probesCounts(Float3::Ceil(Float3(distanceExtent, distanceExtent * verticalRangeScale, distanceExtent) / probesSpacing));
@@ -601,7 +601,7 @@ bool DynamicDiffuseGlobalIlluminationPass::RenderInner(RenderContext& renderCont
// For inactive probes, search nearby ones to find the closest valid for quick fallback when sampling irradiance
{
PROFILE_GPU_CPU_NAMED("Update Inactive Probes");
// TODO: this could run within GPUComputePass during Trace Rays or Update Probes to overlap compute works
// TODO: this could run within GPUComputePass during Trace Rays or Update Probes to overlap compute works (just move StepSize to other Cb to avoid data overlaps)
context->BindUA(0, ddgiData.Result.ProbesData);
Data1 data;
data.CascadeIndex = cascadeIndex;