From 0ee7d130f4491d75e6101743cece5a69cab2419e Mon Sep 17 00:00:00 2001
From: Lotto <prozet@live.se>
Date: Tue, 25 Dec 2018 18:38:23 +0100
Subject: [PATCH] gpu: limit msaa samples to supported value

---
 .../java/net/runelite/client/plugins/gpu/GpuPlugin.java    | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

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 252193f0c6..36f9f6c387 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
@@ -77,6 +77,7 @@ import static net.runelite.client.plugins.gpu.GLUtil.glDeleteRenderbuffers;
 import static net.runelite.client.plugins.gpu.GLUtil.glDeleteTexture;
 import static net.runelite.client.plugins.gpu.GLUtil.glDeleteVertexArrays;
 import static net.runelite.client.plugins.gpu.GLUtil.glGenBuffers;
+import static net.runelite.client.plugins.gpu.GLUtil.glGetInteger;
 import static net.runelite.client.plugins.gpu.GLUtil.glGenFrameBuffer;
 import static net.runelite.client.plugins.gpu.GLUtil.glGenRenderbuffer;
 import static net.runelite.client.plugins.gpu.GLUtil.glGenTexture;
@@ -898,7 +899,11 @@ public class GpuPlugin extends Plugin implements DrawCallbacks
 				|| lastAntiAliasingMode != antiAliasingMode)
 			{
 				shutdownSceneFbo();
-				initSceneFbo(stretchedCanvasWidth, stretchedCanvasHeight, antiAliasingMode.getSamples());
+
+				final int maxSamples = glGetInteger(gl, gl.GL_MAX_SAMPLES);
+				final int samples = Math.min(antiAliasingMode.getSamples(), maxSamples);
+
+				initSceneFbo(stretchedCanvasWidth, stretchedCanvasHeight, samples);
 
 				lastStretchedCanvasWidth = stretchedCanvasWidth;
 				lastStretchedCanvasHeight = stretchedCanvasHeight;