51 Zeilen
3.0 KiB
Diff
51 Zeilen
3.0 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <spottedleaf@spottedleaf.dev>
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Date: Mon, 27 Apr 2020 02:48:06 -0700
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Subject: [PATCH] Reduce MutableInt allocations from light engine
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We can abuse the fact light is single threaded and share an instance
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per light engine instance
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diff --git a/src/main/java/net/minecraft/world/level/lighting/LightEngineBlock.java b/src/main/java/net/minecraft/world/level/lighting/LightEngineBlock.java
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index 2a0a5a70c795ba33780c8db774eaf9769a85daa7..f6198069e3ca421b4f551939263c7cf8bd5b754e 100644
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--- a/src/main/java/net/minecraft/world/level/lighting/LightEngineBlock.java
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+++ b/src/main/java/net/minecraft/world/level/lighting/LightEngineBlock.java
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@@ -16,6 +16,7 @@ public final class LightEngineBlock extends LightEngineLayer<LightEngineStorageB
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private static final EnumDirection[] e = EnumDirection.values();
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private final BlockPosition.MutableBlockPosition f = new BlockPosition.MutableBlockPosition();
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+ private final MutableInt mutableint = new MutableInt(); // Paper
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public LightEngineBlock(ILightAccess ilightaccess) {
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super(ilightaccess, EnumSkyBlock.BLOCK, new LightEngineStorageBlock(ilightaccess));
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@@ -47,7 +48,7 @@ public final class LightEngineBlock extends LightEngineLayer<LightEngineStorageB
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if (enumdirection == null) {
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return 15;
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} else {
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- MutableInt mutableint = new MutableInt();
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+ //MutableInt mutableint = new MutableInt(); // Paper - share mutableint, single threaded
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IBlockData iblockdata = this.a(j, mutableint);
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if (mutableint.getValue() >= 15) {
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diff --git a/src/main/java/net/minecraft/world/level/lighting/LightEngineSky.java b/src/main/java/net/minecraft/world/level/lighting/LightEngineSky.java
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index 113c575a16121aa1146f21a6f41ebd9d12a0c924..37fa5faea6e2972e3eb8a3cbd1913ef38dc9456f 100644
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--- a/src/main/java/net/minecraft/world/level/lighting/LightEngineSky.java
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+++ b/src/main/java/net/minecraft/world/level/lighting/LightEngineSky.java
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@@ -15,6 +15,7 @@ public final class LightEngineSky extends LightEngineLayer<LightEngineStorageSky
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private static final EnumDirection[] e = EnumDirection.values();
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private static final EnumDirection[] f = new EnumDirection[]{EnumDirection.NORTH, EnumDirection.SOUTH, EnumDirection.WEST, EnumDirection.EAST};
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+ private final MutableInt mutableint = new MutableInt(); // Paper
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public LightEngineSky(ILightAccess ilightaccess) {
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super(ilightaccess, EnumSkyBlock.SKY, new LightEngineStorageSky(ilightaccess));
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@@ -36,7 +37,7 @@ public final class LightEngineSky extends LightEngineLayer<LightEngineStorageSky
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if (k >= 15) {
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return k;
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} else {
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- MutableInt mutableint = new MutableInt();
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+ //MutableInt mutableint = new MutableInt(); // Paper - share mutableint, single threaded
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IBlockData iblockdata = this.a(j, mutableint);
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if (mutableint.getValue() >= 15) {
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