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Reduce shadow atlas fragmentation to favor bigger tile sizes

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This commit is contained in:
Wojtek Figat
2024-08-07 17:14:31 +02:00
parent 15d6f9861c
commit 28ce224caa
1 changed files with 4 additions and 4 deletions
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8
Source/Engine/Renderer/ShadowsPass.cpp
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@@ -22,7 +22,7 @@
#define SHADOWS_POSITION_ERROR METERS_TO_UNITS(0.1f)
#define SHADOWS_ROTATION_ERROR 0.9999f
#define SHADOWS_MAX_TILES 6
#define SHADOWS_MIN_RESOLUTION 16
#define SHADOWS_MIN_RESOLUTION 32
#define SHADOWS_MAX_STATIC_ATLAS_CAPACITY_TO_DEFRAG 0.7f
#define SHADOWS_BASE_LIGHT_RESOLUTION(atlasResolution) atlasResolution / MAX_CSM_CASCADES // Allow to store 4 CSM cascades in a single row in all cases
#define NormalOffsetScaleTweak METERS_TO_UNITS(1)
@@ -55,11 +55,11 @@ struct ShadowsAtlasRectTile : RectPackNode<uint16>
uint16 QuantizeResolution(float input)
{
uint16 output = Math::FloorToInt(input);
uint16 alignment = 16;
uint16 alignment = 32;
if (output >= 512)
alignment = 64;
alignment = 128;
else if (output >= 256)
alignment = 32;
alignment = 64;
output = Math::AlignDown<uint16>(output, alignment);
return output;
}