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Implementation of a Incrementally Defragmenting Auto-Sizing Multi-Arena Allocator #3634

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Implementation of a Incrementally Defragmenting Auto-Sizing Multi-Arena Allocator #3634

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9dc4dbe
Implementation of a defragmenting auto-sizing buffer arena
douira Jun 27, 2026
8d051ab
rename away from "gl" names
douira Jun 27, 2026
9c12440
Correctly track free buffer count on ArenaAggregator instance
douira Jul 5, 2026
48b302c
refactor buffer emptiness check to work correctly and allow device re…
douira Jul 5, 2026
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3 changes: 3 additions & 0 deletions common/src/main/java/net/caffeinemc/mods/sodium/client/SodiumClientMod.java
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@
import net.caffeinemc.mods.sodium.client.gui.SodiumOptions;
import net.caffeinemc.mods.sodium.client.services.PlatformRuntimeInformation;
import net.caffeinemc.mods.sodium.mixin.features.gui.hooks.debug.DebugScreenEntriesAccessor;
import net.minecraft.client.gui.components.debug.DebugEntryNoop;
import net.minecraft.resources.Identifier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
Expand All @@ -20,6 +21,7 @@ public class SodiumClientMod {
private static final Logger LOGGER = LoggerFactory.getLogger("Sodium");
public static final Identifier SODIUM_DEBUG_ENTRY_FULL = Identifier.fromNamespaceAndPath("sodium", "debug_full");
public static final Identifier SODIUM_DEBUG_ENTRY_REDUCED = Identifier.fromNamespaceAndPath("sodium", "debug_reduced");
public static final Identifier SODIUM_DEBUG_ENTRY_BUFFER_ARENA = Identifier.fromNamespaceAndPath("sodium", "buffer_arena");
public static final Identifier SODIUM_FPS_PERCENTILES = Identifier.fromNamespaceAndPath("sodium", "fps_percentiles");

private static String MOD_VERSION;
Expand All @@ -28,6 +30,7 @@ public static void onInitialization(String version) {
var entries = DebugScreenEntriesAccessor.sodium$getEntries();
entries.put(SODIUM_DEBUG_ENTRY_FULL, new SodiumDebugEntry(true));
entries.put(SODIUM_DEBUG_ENTRY_REDUCED, new SodiumDebugEntry(false));
entries.put(SODIUM_DEBUG_ENTRY_BUFFER_ARENA, new DebugEntryNoop());
entries.put(SODIUM_FPS_PERCENTILES, new SodiumFpsPercentilesEntry());

MOD_VERSION = version;
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2 changes: 2 additions & 0 deletions common/src/main/java/net/caffeinemc/mods/sodium/client/data/config/MixinConfig.java
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Expand Up @@ -26,6 +26,8 @@ protected MixinConfig() {
// You must manually add a rule for any new mixins not covered by an existing package rule.
this.addMixinRule("core", true); // TODO: Don't actually allow the user to disable this

this.addMixinRule("debug", true);

this.addMixinRule("features", true);

this.addMixinRule("features.gui", true);
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15 changes: 15 additions & 0 deletions common/src/main/java/net/caffeinemc/mods/sodium/client/gpu/arena/AllocatorBase.java
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Original file line number Diff line number Diff line change
@@ -0,0 +1,15 @@
package net.caffeinemc.mods.sodium.client.gpu.arena;

import com.mojang.blaze3d.buffers.GpuBuffer;

public interface AllocatorBase {
long getDeviceUsedMemory();

long getDeviceAllocatedMemory();

void free(BufferSegment entry);

boolean isEmpty();

GpuBuffer getBufferObject();
}
581 changes: 581 additions & 0 deletions common/src/main/java/net/caffeinemc/mods/sodium/client/gpu/arena/ArenaAggregator.java
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