Non-racing render context, rast state priority

src/citra_qt/bootmanager.cpp

@@ -28,11 +28,11 @@
 
 EmuThread::EmuThread(GRenderWindow* render_window) :
     exec_step(false), running(false), stop_run(false), render_window(render_window) {
-
-    connect(this, SIGNAL(started()), render_window, SLOT(moveContext()));
 }
 
 void EmuThread::run() {
+    render_window->MakeCurrent();
+
     stop_run = false;
 
     // holds whether the cpu was running during the last iteration,

src/citra_qt/main.cpp

@@ -210,6 +210,7 @@ void GMainWindow::BootGame(std::string filename) {
     // Create and start the emulation thread
     emu_thread = Common::make_unique<EmuThread>(render_window);
     emit EmulationStarting(emu_thread.get());
+    render_window->moveContext();
     emu_thread->start();
 
     // BlockingQueuedConnection is important here, it makes sure we've finished refreshing our views before the CPU continues

src/video_core/renderer_opengl/gl_rasterizer.cpp

@@ -75,10 +75,6 @@ void RasterizerOpenGL::InitObjects() {
     state.draw.vertex_buffer = vertex_buffer.GetHandle();
     state.draw.shader_program = shader.GetHandle();
 
-    for (auto& texture_unit : state.texture_units) {
-        texture_unit.enabled_2d = true;
-    }
-
     state.Apply();
 
     // Set the texture samplers to correspond to different texture units

src/video_core/renderer_opengl/renderer_opengl.cpp

@@ -65,8 +65,7 @@ RendererOpenGL::~RendererOpenGL() {
 
 /// Swap buffers (render frame)
 void RendererOpenGL::SwapBuffers() {
-    render_window->MakeCurrent();
-
+    // Maintain the rasterizer's state as a priority
     OpenGLState prev_state = OpenGLState::GetCurState();
     state.Apply();