[studio] Make clear screen before redraw

src/glutils/glutils.cpp

@@ -184,4 +184,9 @@ void sendEbo(const BufferSet &bs) noexcept {
 	glBufferData(GL_ELEMENT_ARRAY_BUFFER, bufferSize, bs.elements.data(), GL_STATIC_DRAW);
 }
 
+void clearScreen() noexcept {
+	glClearColor(0, 0, 0, 1);
+	glClear(GL_COLOR_BUFFER_BIT);
+}
+
 }

src/glutils/glutils.hpp

@@ -15,7 +15,7 @@
 
 namespace glutils {
 
-constexpr auto GlslVersion = "#version 330";
+constexpr ox::StringView GlslVersion = "#version 330";
 
 struct Empty {};
 
@@ -176,4 +176,6 @@ void sendVbo(const BufferSet &bs) noexcept;
 
 void sendEbo(const BufferSet &bs) noexcept;
 
+void clearScreen() noexcept;
+
 }

src/studio/applib/src/builtinmodules.hpp

@@ -1,11 +0,0 @@
-/*
- * Copyright 2016 - 2023 Gary Talent (gary@drinkingtea.net). All rights reserved.
- */
-
-#pragma once
-
-#include <studio/module.hpp>
-
-#include <ox/std/memory.hpp>
-
-extern ox::Vector<std::function<ox::UPtr<studio::Module>()>> BuiltinModules;

src/studio/applib/src/studioapp.cpp

@@ -5,10 +5,10 @@
 #include <imgui.h>
 
 #include <keel/media.hpp>
+#include <glutils/glutils.hpp>
 #include <turbine/turbine.hpp>
 
 #include <studio/configio.hpp>
-#include "builtinmodules.hpp"
 #include "clawviewer.hpp"
 #include "filedialogmanager.hpp"
 #include "studioapp.hpp"
@@ -119,6 +119,7 @@ void StudioUI::handleKeyEvent(turbine::Key key, bool down) noexcept {
 }
 
 void StudioUI::draw() noexcept {
+	glutils::clearScreen();
 	drawMenu();
 	drawTabBar();
 	if (m_showProjectExplorer) {