From 7bdb96211788f9a6e60bf09c44d5f176a47270c3 Mon Sep 17 00:00:00 2001
From: Richard Tingle <6330028+richardTingle@users.noreply.github.com>
Date: Sun, 3 May 2026 18:27:31 +0100
Subject: [PATCH 1/3] Minimal off buffer change

---
 .../testframework/TestDriver.java               | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/jme3-screenshot-tests/src/main/java/org/jmonkeyengine/screenshottests/testframework/TestDriver.java b/jme3-screenshot-tests/src/main/java/org/jmonkeyengine/screenshottests/testframework/TestDriver.java
index 2d7220de14..035902e9a8 100644
--- a/jme3-screenshot-tests/src/main/java/org/jmonkeyengine/screenshottests/testframework/TestDriver.java
+++ b/jme3-screenshot-tests/src/main/java/org/jmonkeyengine/screenshottests/testframework/TestDriver.java
@@ -39,6 +39,10 @@
 import com.jme3.math.FastMath;
 import com.jme3.system.AppSettings;
 import com.jme3.system.JmeContext;
+import com.jme3.texture.FrameBuffer;
+import com.jme3.texture.Image;
+import com.jme3.texture.Texture;
+import com.jme3.texture.Texture2D;
 
 import javax.imageio.IIOImage;
 import javax.imageio.ImageIO;
@@ -135,6 +139,19 @@ public void update(float tpf){
             waitLatch.countDown();
         };
 
+        AppSettings settings = app.getContext().getSettings();
+        int width = settings.getWidth();
+        int height = settings.getHeight();
+        Texture2D renderTexture = new Texture2D(width, height, Image.Format.RGBA8);
+        renderTexture.setMinFilter(Texture.MinFilter.BilinearNearestMipMap);
+        renderTexture.setMagFilter(Texture.MagFilter.Bilinear);
+
+        FrameBuffer offBuffer = new FrameBuffer(width, height, 1);
+        offBuffer.setDepthTarget(FrameBuffer.FrameBufferTarget.newTarget(Image.Format.Depth));
+        offBuffer.addColorTarget(FrameBuffer.FrameBufferTarget.newTarget(renderTexture));
+
+        app.getRenderer().setMainFrameBufferOverride(offBuffer);
+
     }
 
     @Override protected void cleanup(Application app){}

From f05b083f335d0f064e45f7d4f10d69221c3ddce0 Mon Sep 17 00:00:00 2001
From: Richard Tingle <6330028+richardTingle@users.noreply.github.com>
Date: Sun, 3 May 2026 19:39:49 +0100
Subject: [PATCH 2/3] Set Srgb to true

---
 .../jmonkeyengine/screenshottests/testframework/TestDriver.java  | 1 +
 1 file changed, 1 insertion(+)

diff --git a/jme3-screenshot-tests/src/main/java/org/jmonkeyengine/screenshottests/testframework/TestDriver.java b/jme3-screenshot-tests/src/main/java/org/jmonkeyengine/screenshottests/testframework/TestDriver.java
index 035902e9a8..3018fe8d63 100644
--- a/jme3-screenshot-tests/src/main/java/org/jmonkeyengine/screenshottests/testframework/TestDriver.java
+++ b/jme3-screenshot-tests/src/main/java/org/jmonkeyengine/screenshottests/testframework/TestDriver.java
@@ -149,6 +149,7 @@ public void update(float tpf){
         FrameBuffer offBuffer = new FrameBuffer(width, height, 1);
         offBuffer.setDepthTarget(FrameBuffer.FrameBufferTarget.newTarget(Image.Format.Depth));
         offBuffer.addColorTarget(FrameBuffer.FrameBufferTarget.newTarget(renderTexture));
+        offBuffer.setSrgb(true);
 
         app.getRenderer().setMainFrameBufferOverride(offBuffer);
 

From cb6ef42cf6bdb4719b07fc05a1e8b6eff5314ac1 Mon Sep 17 00:00:00 2001
From: Richard Tingle <6330028+richardTingle@users.noreply.github.com>
Date: Sun, 3 May 2026 22:13:57 +0100
Subject: [PATCH 3/3] Set the colourspace

---
 .../screenshottests/testframework/TestDriver.java            | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/jme3-screenshot-tests/src/main/java/org/jmonkeyengine/screenshottests/testframework/TestDriver.java b/jme3-screenshot-tests/src/main/java/org/jmonkeyengine/screenshottests/testframework/TestDriver.java
index 3018fe8d63..4cbc04878e 100644
--- a/jme3-screenshot-tests/src/main/java/org/jmonkeyengine/screenshottests/testframework/TestDriver.java
+++ b/jme3-screenshot-tests/src/main/java/org/jmonkeyengine/screenshottests/testframework/TestDriver.java
@@ -43,6 +43,7 @@
 import com.jme3.texture.Image;
 import com.jme3.texture.Texture;
 import com.jme3.texture.Texture2D;
+import com.jme3.texture.image.ColorSpace;
 
 import javax.imageio.IIOImage;
 import javax.imageio.ImageIO;
@@ -145,11 +146,13 @@ public void update(float tpf){
         Texture2D renderTexture = new Texture2D(width, height, Image.Format.RGBA8);
         renderTexture.setMinFilter(Texture.MinFilter.BilinearNearestMipMap);
         renderTexture.setMagFilter(Texture.MagFilter.Bilinear);
+        renderTexture.getImage().setColorSpace(ColorSpace.sRGB);
 
         FrameBuffer offBuffer = new FrameBuffer(width, height, 1);
+        offBuffer.setSrgb(true);
         offBuffer.setDepthTarget(FrameBuffer.FrameBufferTarget.newTarget(Image.Format.Depth));
         offBuffer.addColorTarget(FrameBuffer.FrameBufferTarget.newTarget(renderTexture));
-        offBuffer.setSrgb(true);
+
 
         app.getRenderer().setMainFrameBufferOverride(offBuffer);