From a696b498aaa2a2b06c1c4324b4bfaff9a7f831bf Mon Sep 17 00:00:00 2001
From: Whitehooder <831317+whitehooder@users.noreply.github.com>
Date: Sun, 18 Nov 2018 10:27:20 -0500
Subject: [PATCH] Fix GPU rendering on Linux

- Unlock surface after making context current
- Lock surface on shutdown
---
 runelite-client/pom.xml                       | 29 ++++++++++++++++++-
 .../client/plugins/gpu/GpuPlugin.java         | 20 +++++++++----
 2 files changed, 43 insertions(+), 6 deletions(-)

diff --git a/runelite-client/pom.xml b/runelite-client/pom.xml
index 33062c504b..dddb9719db 100644
--- a/runelite-client/pom.xml
+++ b/runelite-client/pom.xml
@@ -110,11 +110,24 @@
 			<classifier>natives-windows-i586</classifier>
 			<scope>runtime</scope>
 		</dependency>
+		<dependency>
+			<groupId>org.jogamp.jogl</groupId>
+			<artifactId>jogl-all</artifactId>
+			<version>${jogl.version}</version>
+			<classifier>natives-linux-amd64</classifier>
+			<scope>runtime</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.jogamp.jogl</groupId>
+			<artifactId>jogl-all</artifactId>
+			<version>${jogl.version}</version>
+			<classifier>natives-linux-i586</classifier>
+			<scope>runtime</scope>
+		</dependency>
 		<dependency>
 			<groupId>org.jogamp.gluegen</groupId>
 			<artifactId>gluegen-rt</artifactId>
 			<version>${jogl.version}</version>
-			<scope>runtime</scope>
 		</dependency>
 		<dependency>
 			<groupId>org.jogamp.gluegen</groupId>
@@ -130,6 +143,20 @@
 			<classifier>natives-windows-i586</classifier>
 			<scope>runtime</scope>
 		</dependency>
+		<dependency>
+			<groupId>org.jogamp.gluegen</groupId>
+			<artifactId>gluegen-rt</artifactId>
+			<version>${jogl.version}</version>
+			<classifier>natives-linux-amd64</classifier>
+			<scope>runtime</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.jogamp.gluegen</groupId>
+			<artifactId>gluegen-rt</artifactId>
+			<version>${jogl.version}</version>
+			<classifier>natives-linux-i586</classifier>
+			<scope>runtime</scope>
+		</dependency>
 
 		<dependency>
 			<groupId>net.runelite</groupId>
diff --git a/runelite-client/src/main/java/net/runelite/client/plugins/gpu/GpuPlugin.java b/runelite-client/src/main/java/net/runelite/client/plugins/gpu/GpuPlugin.java
index a470079f5f..39c4aaa82c 100644
--- a/runelite-client/src/main/java/net/runelite/client/plugins/gpu/GpuPlugin.java
+++ b/runelite-client/src/main/java/net/runelite/client/plugins/gpu/GpuPlugin.java
@@ -26,8 +26,7 @@ package net.runelite.client.plugins.gpu;
 
 import com.google.common.eventbus.Subscribe;
 import com.google.inject.Provides;
-import com.jogamp.nativewindow.AbstractGraphicsConfiguration;
-import com.jogamp.nativewindow.NativeWindowFactory;
+import com.jogamp.nativewindow.NativeSurface;
 import com.jogamp.nativewindow.awt.AWTGraphicsConfiguration;
 import com.jogamp.nativewindow.awt.JAWTWindow;
 import com.jogamp.opengl.GL;
@@ -50,6 +49,7 @@ import java.nio.FloatBuffer;
 import java.nio.IntBuffer;
 import java.util.function.Function;
 import javax.inject.Inject;
+import jogamp.newt.awt.NewtFactoryAWT;
 import lombok.extern.slf4j.Slf4j;
 import net.runelite.api.BufferProvider;
 import net.runelite.api.Client;
@@ -231,10 +231,10 @@ public class GpuPlugin extends Plugin implements DrawCallbacks
 				GLProfile glProfile = GLProfile.get(GLProfile.GL4bc);
 
 				GLCapabilities glCaps = new GLCapabilities(glProfile);
-				AbstractGraphicsConfiguration config = AWTGraphicsConfiguration.create(canvas.getGraphicsConfiguration(),
-					glCaps, glCaps);
+				AWTGraphicsConfiguration config = AWTGraphicsConfiguration.create(canvas.getGraphicsConfiguration(), glCaps, glCaps);
 
-				jawtWindow = (JAWTWindow) NativeWindowFactory.getNativeWindow(canvas, config);
+				jawtWindow = NewtFactoryAWT.getNativeWindow(canvas, config);
+				canvas.setFocusable(true);
 
 				GLDrawableFactory glDrawableFactory = GLDrawableFactory.getFactory(glProfile);
 
@@ -248,6 +248,11 @@ public class GpuPlugin extends Plugin implements DrawCallbacks
 					throw new GLException("Unable to make context current");
 				}
 
+				if (jawtWindow.getLock().isLocked())
+				{
+					jawtWindow.unlockSurface();
+				}
+
 				this.gl = glContext.getGL().getGL4();
 				gl.setSwapInterval(0);
 
@@ -316,6 +321,11 @@ public class GpuPlugin extends Plugin implements DrawCallbacks
 			client.setGpu(false);
 			client.setDrawCallbacks(null);
 
+			if (jawtWindow.getLock().getHoldCount() != NativeSurface.LOCK_SURFACE_NOT_READY)
+			{
+				jawtWindow.lockSurface();
+			}
+
 			if (bufferId != -1)
 			{
 				GLUtil.glDeleteBuffer(gl, bufferId);