diff --git a/src/main/java/net/coderbot/iris/mixin/MixinWindow.java b/src/main/java/net/coderbot/iris/mixin/MixinWindow.java
index 58163ab380..2e02d0295e 100644
--- a/src/main/java/net/coderbot/iris/mixin/MixinWindow.java
+++ b/src/main/java/net/coderbot/iris/mixin/MixinWindow.java
@@ -16,6 +16,8 @@ public class MixinWindow {
 	@Inject(method = "<init>", at = @At(value = "INVOKE", target = "Lorg/lwjgl/glfw/GLFW;glfwCreateWindow(IILjava/lang/CharSequence;JJ)J"))
 	private void iris$enableDebugContext(WindowEventHandler arg, ScreenManager arg2, DisplayData arg3, String string, String string2, CallbackInfo ci) {
 		if (Iris.getIrisConfig().areDebugOptionsEnabled()) {
+			GLFW.glfwWindowHint(GLFW.GLFW_CONTEXT_VERSION_MAJOR, 4);
+			GLFW.glfwWindowHint(GLFW.GLFW_CONTEXT_VERSION_MINOR, 6);
 			GLFW.glfwWindowHint(GLFW.GLFW_OPENGL_DEBUG_CONTEXT, GLFW.GLFW_TRUE);
 			GLFW.glfwWindowHint(GLFW.GLFW_CONTEXT_NO_ERROR, GLFW.GLFW_FALSE);
 			Iris.logger.info("OpenGL debug context activated.");
diff --git a/src/main/java/net/coderbot/iris/rendertarget/RenderTarget.java b/src/main/java/net/coderbot/iris/rendertarget/RenderTarget.java
index 032aafb3eb..deb70bb3d2 100644
--- a/src/main/java/net/coderbot/iris/rendertarget/RenderTarget.java
+++ b/src/main/java/net/coderbot/iris/rendertarget/RenderTarget.java
@@ -14,6 +14,7 @@
 import java.nio.ByteBuffer;
 
 public class RenderTarget {
+	private static final double LOG2 = Math.log(2);
 	private InternalTextureFormat internalFormat;
 	private final PixelFormat format;
 	private final PixelType type;
@@ -67,19 +68,18 @@ public void setMipmapping(boolean enabled) {
 	}
 
 	private void resizeTexture(boolean alt, int width, int height) {
-		if (this.mainTexture != 0) GlStateManager._deleteTexture(mainTexture);
-		if (this.altTexture != 0) GlStateManager._deleteTexture(altTexture);
-
 		if (alt) {
 			this.altTexture = IrisRenderSystem.createTexture(GL46C.GL_TEXTURE_2D);
 		} else {
 			this.mainTexture = IrisRenderSystem.createTexture(GL46C.GL_TEXTURE_2D);
 		}
 
-		GL46C.glTextureStorage2D(alt ? altTexture : mainTexture, 4, internalFormat.getGlFormat(), width, height);
+		GL46C.glTextureStorage2D(alt ? altTexture : mainTexture, (int) (1 + Math.floor(Math.log(Math.max(width, height)) / LOG2)), internalFormat.getGlFormat(), width, height);
 	}
 
 	void resize(Vector2i textureScaleOverride) {
+		if (this.mainTexture != 0) GlStateManager._deleteTexture(mainTexture);
+		if (this.altTexture != 0) GlStateManager._deleteTexture(altTexture);
 		this.resize(textureScaleOverride.x, textureScaleOverride.y);
 	}
 
diff --git a/src/main/java/net/coderbot/iris/rendertarget/RenderTargets.java b/src/main/java/net/coderbot/iris/rendertarget/RenderTargets.java
index b6c1cec0ad..f80a2a8f1f 100644
--- a/src/main/java/net/coderbot/iris/rendertarget/RenderTargets.java
+++ b/src/main/java/net/coderbot/iris/rendertarget/RenderTargets.java
@@ -233,7 +233,7 @@ private ImmutableSet<Integer> invert(ImmutableSet<Integer> base, int[] relevant)
 	}
 
 	private GlFramebufferFromTargets createEmptyFramebuffer() {
-		GlFramebufferFromTargets framebuffer = new GlFramebufferFromTargets(new int[0], ImmutableSet.of());
+		GlFramebufferFromTargets framebuffer = new GlFramebufferFromTargets(new int[] { 0 }, ImmutableSet.of());
 		ownedFramebuffers.add(framebuffer);
 
 		framebuffer.addDepthAttachment(currentDepthTexture);