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 84ab41f167..9e632847ea 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
@@ -194,6 +194,7 @@ public class GpuPlugin extends Plugin implements DrawCallbacks
 	private int vaoHandle;
 
 	private int interfaceTexture;
+	private int interfacePbo;
 
 	private int vaoUiHandle;
 	private int vboUiHandle;
@@ -726,6 +727,8 @@ public class GpuPlugin extends Plugin implements DrawCallbacks
 
 	private void initInterfaceTexture()
 	{
+		interfacePbo = glGenBuffers(gl);
+
 		interfaceTexture = glGenTexture(gl);
 		gl.glBindTexture(gl.GL_TEXTURE_2D, interfaceTexture);
 		gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_WRAP_S, gl.GL_CLAMP_TO_EDGE);
@@ -737,6 +740,7 @@ public class GpuPlugin extends Plugin implements DrawCallbacks
 
 	private void shutdownInterfaceTexture()
 	{
+		glDeleteBuffer(gl, interfacePbo);
 		glDeleteTexture(gl, interfaceTexture);
 		interfaceTexture = -1;
 	}
@@ -1037,15 +1041,19 @@ public class GpuPlugin extends Plugin implements DrawCallbacks
 		invokeOnMainThread(() -> drawFrame(overlayColor));
 	}
 
-	private void resize(int canvasWidth, int canvasHeight, int viewportWidth, int viewportHeight)
+	private void prepareInterfaceTexture(int canvasWidth, int canvasHeight)
 	{
 		if (canvasWidth != lastCanvasWidth || canvasHeight != lastCanvasHeight)
 		{
 			lastCanvasWidth = canvasWidth;
 			lastCanvasHeight = canvasHeight;
 
+			gl.glBindBuffer(gl.GL_PIXEL_UNPACK_BUFFER, interfacePbo);
+			gl.glBufferData(gl.GL_PIXEL_UNPACK_BUFFER, canvasWidth * canvasHeight * 4L, null, gl.GL_STREAM_DRAW);
+			gl.glBindBuffer(gl.GL_PIXEL_UNPACK_BUFFER, 0);
+
 			gl.glBindTexture(gl.GL_TEXTURE_2D, interfaceTexture);
-			gl.glTexImage2D(gl.GL_TEXTURE_2D, 0, gl.GL_RGBA, canvasWidth, canvasHeight, 0, gl.GL_BGRA, gl.GL_UNSIGNED_INT_8_8_8_8_REV, null);
+			gl.glTexImage2D(gl.GL_TEXTURE_2D, 0, gl.GL_RGBA, canvasWidth, canvasHeight, 0, gl.GL_BGRA, gl.GL_UNSIGNED_BYTE, null);
 			gl.glBindTexture(gl.GL_TEXTURE_2D, 0);
 
 			if (OSType.getOSType() == OSType.MacOS && glDrawable instanceof GLFBODrawable)
@@ -1058,6 +1066,21 @@ public class GpuPlugin extends Plugin implements DrawCallbacks
 				glfboDrawable.resetSize(gl);
 			}
 		}
+
+		final BufferProvider bufferProvider = client.getBufferProvider();
+		final int[] pixels = bufferProvider.getPixels();
+		final int width = bufferProvider.getWidth();
+		final int height = bufferProvider.getHeight();
+
+		gl.glBindBuffer(gl.GL_PIXEL_UNPACK_BUFFER, interfacePbo);
+		gl.glMapBuffer(gl.GL_PIXEL_UNPACK_BUFFER, gl.GL_WRITE_ONLY)
+			.asIntBuffer()
+			.put(pixels, 0, width * height);
+		gl.glUnmapBuffer(gl.GL_PIXEL_UNPACK_BUFFER);
+		gl.glBindTexture(gl.GL_TEXTURE_2D, interfaceTexture);
+		gl.glTexSubImage2D(gl.GL_TEXTURE_2D, 0, 0, 0, width, height, gl.GL_BGRA, gl.GL_UNSIGNED_INT_8_8_8_8_REV, 0);
+		gl.glBindBuffer(gl.GL_PIXEL_UNPACK_BUFFER, 0);
+		gl.glBindTexture(gl.GL_TEXTURE_2D, 0);
 	}
 
 	private void drawFrame(int overlayColor)
@@ -1072,7 +1095,7 @@ public class GpuPlugin extends Plugin implements DrawCallbacks
 		final int viewportHeight = client.getViewportHeight();
 		final int viewportWidth = client.getViewportWidth();
 
-		resize(canvasWidth, canvasHeight, viewportWidth, viewportHeight);
+		prepareInterfaceTexture(canvasWidth, canvasHeight);
 
 		// Setup anti-aliasing
 		final AntiAliasingMode antiAliasingMode = config.antiAliasingMode();
@@ -1312,25 +1335,10 @@ public class GpuPlugin extends Plugin implements DrawCallbacks
 
 	private void drawUi(final int overlayColor, final int canvasHeight, final int canvasWidth)
 	{
-		final BufferProvider bufferProvider = client.getBufferProvider();
-		final int[] pixels = bufferProvider.getPixels();
-		final int width = bufferProvider.getWidth();
-		final int height = bufferProvider.getHeight();
-
 		gl.glEnable(gl.GL_BLEND);
-
-		vertexBuffer.clear(); // reuse vertex buffer for interface
-		vertexBuffer.ensureCapacity(pixels.length);
-
-		IntBuffer interfaceBuffer = vertexBuffer.getBuffer();
-		interfaceBuffer.put(pixels);
-		vertexBuffer.flip();
-
 		gl.glBlendFunc(gl.GL_ONE, gl.GL_ONE_MINUS_SRC_ALPHA);
 		gl.glBindTexture(gl.GL_TEXTURE_2D, interfaceTexture);
 
-		gl.glTexSubImage2D(gl.GL_TEXTURE_2D, 0, 0, 0, width, height, gl.GL_BGRA, gl.GL_UNSIGNED_INT_8_8_8_8_REV, interfaceBuffer);
-
 		// Use the texture bound in the first pass
 		final UIScalingMode uiScalingMode = config.uiScalingMode();
 		gl.glUseProgram(glUiProgram);