From 8f50ca4750bb7548885f3735ebce7eeb3334fa6d Mon Sep 17 00:00:00 2001
From: Owain van Brakel <owain.vanbrakel@gmail.com>
Date: Sat, 23 Apr 2022 08:03:07 +0200
Subject: [PATCH] project(mixins): Misc GPU

---
 .../net/runelite/mixins/RSClientMixin.java    | 31 ++-----------------
 .../runelite/mixins/RSGameEngineMixin.java    | 12 ++++---
 .../net/runelite/mixins/RSSceneMixin.java     |  4 +++
 3 files changed, 14 insertions(+), 33 deletions(-)

diff --git a/runelite-mixins/src/main/java/net/runelite/mixins/RSClientMixin.java b/runelite-mixins/src/main/java/net/runelite/mixins/RSClientMixin.java
index d1a1b4299a..b9650b047b 100644
--- a/runelite-mixins/src/main/java/net/runelite/mixins/RSClientMixin.java
+++ b/runelite-mixins/src/main/java/net/runelite/mixins/RSClientMixin.java
@@ -48,7 +48,6 @@ import net.runelite.api.FriendContainer;
 import net.runelite.api.GameState;
 import net.runelite.api.GrandExchangeOffer;
 import net.runelite.api.GraphicsObject;
-import net.runelite.api.HashTable;
 import net.runelite.api.HintArrowType;
 import net.runelite.api.Ignore;
 import net.runelite.api.IndexDataBase;
@@ -88,7 +87,6 @@ import net.runelite.api.StructComposition;
 import net.runelite.api.Tile;
 import net.runelite.api.VarPlayer;
 import net.runelite.api.Varbits;
-import net.runelite.api.WidgetNode;
 import net.runelite.api.WorldType;
 import net.runelite.api.clan.ClanChannel;
 import net.runelite.api.clan.ClanRank;
@@ -1934,21 +1932,14 @@ public abstract class RSClientMixin implements RSClient
 	@Inject
 	public static void preRenderWidgetLayer(Widget[] widgets, int parentId, int minX, int minY, int maxX, int maxY, int x, int y, int var8)
 	{
-		@SuppressWarnings("unchecked") HashTable<WidgetNode> componentTable = client.getComponentTable();
-
-		for (int i = 0; i < widgets.length; i++)
+		for (Widget value : widgets)
 		{
-			RSWidget widget = (RSWidget) widgets[i];
+			RSWidget widget = (RSWidget) value;
 			if (widget == null || widget.getRSParentId() != parentId || widget.isSelfHidden())
 			{
 				continue;
 			}
 
-			if (parentId != -1)
-			{
-				widget.setRenderParentId(parentId);
-			}
-
 			final int renderX = x + widget.getRelativeX();
 			final int renderY = y + widget.getRelativeY();
 			widget.setRenderX(renderX);
@@ -1969,24 +1960,6 @@ public abstract class RSClientMixin implements RSClient
 				widget.setHidden(true);
 				hiddenWidgets.add(widget);
 			}
-			else
-			{
-				WidgetNode childNode = componentTable.get(widget.getId());
-				if (childNode != null)
-				{
-					int widgetId = widget.getId();
-					int groupId = childNode.getId();
-					RSWidget[] children = client.getWidgets()[groupId];
-
-					for (RSWidget child : children)
-					{
-						if (child.getRSParentId() == -1)
-						{
-							child.setRenderParentId(widgetId);
-						}
-					}
-				}
-			}
 		}
 	}
 
diff --git a/runelite-mixins/src/main/java/net/runelite/mixins/RSGameEngineMixin.java b/runelite-mixins/src/main/java/net/runelite/mixins/RSGameEngineMixin.java
index 948cfd97c2..d26dc08696 100644
--- a/runelite-mixins/src/main/java/net/runelite/mixins/RSGameEngineMixin.java
+++ b/runelite-mixins/src/main/java/net/runelite/mixins/RSGameEngineMixin.java
@@ -80,15 +80,19 @@ public abstract class RSGameEngineMixin implements RSGameEngine
 		client.getCallbacks().post(focusChanged);
 	}
 
-	@Inject
-	@MethodHook("post")
-	public void onPost(Object canvas)
+	@Copy("post")
+	@Replace("post")
+	public void copy$post(Object canvas)
 	{
+		if (!client.isGpu())
+		{
+			copy$post(canvas);
+		}
+
 		DrawCallbacks drawCallbacks = client.getDrawCallbacks();
 		if (drawCallbacks != null)
 		{
 			drawCallbacks.draw(viewportColor);
-			viewportColor = 0;
 		}
 	}
 
diff --git a/runelite-mixins/src/main/java/net/runelite/mixins/RSSceneMixin.java b/runelite-mixins/src/main/java/net/runelite/mixins/RSSceneMixin.java
index 46fe155ce6..da8e663105 100644
--- a/runelite-mixins/src/main/java/net/runelite/mixins/RSSceneMixin.java
+++ b/runelite-mixins/src/main/java/net/runelite/mixins/RSSceneMixin.java
@@ -78,6 +78,9 @@ public abstract class RSSceneMixin implements RSScene
 	@Shadow("skyboxColor")
 	static int skyboxColor;
 
+	@Shadow("viewportColor")
+	private static int viewportColor;
+
 	@Inject
 	private static int[] tmpX = new int[6];
 
@@ -117,6 +120,7 @@ public abstract class RSSceneMixin implements RSScene
 		final DrawCallbacks drawCallbacks = client.getDrawCallbacks();
 		if (drawCallbacks != null)
 		{
+			viewportColor = 0;
 			drawCallbacks.drawScene(cameraX, cameraY, cameraZ, cameraPitch, cameraYaw, plane);
 		}