From fcba9f1f2ea3f8df1a90694333f9e52e7bb20149 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tam=C3=A1s=20B=C3=A1lint=20Misius?= <lbphacker@gmail.com>
Date: Tue, 12 Sep 2023 19:00:07 +0200
Subject: [PATCH] Fix RenderView not drawing any simulation content

This used to work without the explicit copy because Graphics and Renderer used to share backing buffers.
---
 src/gui/render/RenderView.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/gui/render/RenderView.cpp b/src/gui/render/RenderView.cpp
index 4023ecdf1..d64286407 100644
--- a/src/gui/render/RenderView.cpp
+++ b/src/gui/render/RenderView.cpp
@@ -161,6 +161,10 @@ void RenderView::OnDraw()
 		ren->clearScreen();
 		ren->RenderBegin();
 		ren->RenderEnd();
+		for (auto y = 0; y < YRES; ++y)
+		{
+			std::copy_n(ren->Data() + ren->Size().X * y, ren->Size().X, g->Data() + g->Size().X * y);
+		}
 	}
 	g->DrawLine({ 0, YRES }, { XRES-1, YRES }, 0xC8C8C8_rgb);
 	g->DrawLine({ line1, YRES }, { line1, WINDOWH }, 0xC8C8C8_rgb);