Vulkan: Allocate swapchain on context create.

common/video/vulkan/vulkan_context.cpp

@@ -11,6 +11,7 @@ static std::unique_ptr<vk::DynamicLoader> dl;
 
 Context::Context()
 {
+    swapchain = std::make_unique<Swapchain>(*this);
 }
 
 Context::~Context()
@@ -180,7 +181,6 @@ bool Context::init()
     init_command_pool();
     init_descriptor_pool();
 
-    swapchain = std::make_unique<Swapchain>(*this);
     wait_idle();
     return true;
 }

common/video/vulkan/vulkan_swapchain.cpp

@@ -12,7 +12,6 @@ Swapchain::Swapchain(Context &context_)
       command_pool(context.command_pool.get()),
       surface(context.surface.get())
 {
-    create_render_pass();
     end_render_pass_function = nullptr;
 }
 
@@ -152,6 +151,9 @@ bool Swapchain::uncreate()
 
 bool Swapchain::create()
 {
+    if (!render_pass)
+        create_render_pass();
+
     frames.clear();
     image_data.clear();
 

gtk/src/gtk_display_driver_vulkan.cpp

@@ -130,15 +130,15 @@ int S9xVulkanDisplayDriver::init()
         wl_surface *surface = gdk_wayland_window_get_wl_surface(drawing_area->get_window()->gobj());
         wl_display *display = gdk_wayland_display_get_wl_display(drawing_area->get_display()->gobj());
 
-        if (!wayland_surface->attach(display, surface, get_metrics(*drawing_area)))
-            goto abort;
-        if (!context->init_wayland())
-            goto abort;
-        if (!context->create_wayland_surface(wayland_surface->display, wayland_surface->child))
-            goto abort;
         context->swapchain->set_desired_size(current_width, current_height);
-        if (!context->create_swapchain())
+        if (!wayland_surface->attach(display, surface, get_metrics(*drawing_area)) ||
-            goto abort;
+            !context->init_wayland() ||
+            !context->create_wayland_surface(wayland_surface->display, wayland_surface->child) ||
+            !context->create_swapchain())
+        {
+            context.reset();
+            return -1;
+        }
     }
 #endif
     if (GDK_IS_X11_WINDOW(drawing_area->get_window()->gobj()))
@@ -146,12 +146,13 @@ int S9xVulkanDisplayDriver::init()
         display = gdk_x11_display_get_xdisplay(drawing_area->get_display()->gobj());
         xid = gdk_x11_window_get_xid(drawing_area->get_window()->gobj());
 
-        if (!context->init_Xlib())
+        if (!context->init_Xlib() ||
-            goto abort;
+            !context->create_Xlib_surface(display, xid) ||
-        if (!context->create_Xlib_surface(display, xid))
+            !context->create_swapchain())
-            goto abort;
+        {
-        if (!context->create_swapchain())
+            context.reset();
-            goto abort;
+            return -1;
+        }
     }
 
     device = context->device;
@@ -179,10 +180,6 @@ int S9xVulkanDisplayDriver::init()
     simple_output = std::make_unique<Vulkan::SimpleOutput>(context.get(), vk::Format::eR5G6B5UnormPack16);
 
     return 0;
-
-abort:
-    context.reset();
-    return -1;
 }
 
 void S9xVulkanDisplayDriver::deinit()

qt/src/EmuCanvasVulkan.cpp

@@ -89,12 +89,13 @@ bool EmuCanvasVulkan::createContext()
 
 #ifdef _WIN32
     auto hwnd = (HWND)winId();
-    if (!context->init_win32())
+    if (!context->init_win32() ||
-        goto fail;
+        !context->create_win32_surface(nullptr, hwnd) ||
-    if (!context->create_win32_surface(nullptr, hwnd))
+        !context->swapchain->create())
-        goto fail;
+    {
-    if (!context->swapchain->create())
+        context.reset();
-        goto fail;
+        return false;
+    }
 #else
     if (platform == "wayland")
     {
@@ -104,30 +105,27 @@ bool EmuCanvasVulkan::createContext()
         wayland_surface->attach(display, surface, { parent->x() - main_window->x(), parent->y() - main_window->y(), width(), height(), static_cast<int>(devicePixelRatio()) });
         auto [scaled_width, scaled_height] = wayland_surface->get_size();
 
-        if (!context->init_wayland())
-            goto fail;
-
-        if (!context->create_wayland_surface(display, wayland_surface->child))
-            goto fail;
-
         context->swapchain->set_desired_size(scaled_width, scaled_height);
-        if (!context->swapchain->create())
+        if (!context->init_wayland() ||
-            goto fail;
+            !context->create_wayland_surface(display, wayland_surface->child) ||
+            !context->swapchain->create())
+        {
+            context.reset();
+            return false;
+        }
     }
     else if (platform == "xcb")
     {
         auto display = (Display *)pni->nativeResourceForWindow("display", window);
         auto xid = (Window)winId();
 
-        if (!context->init_Xlib())
+        if (!context->init_Xlib() ||
-            goto fail;
+            !context->create_Xlib_surface(display, xid) ||
-
+            !context->swapchain->create())
-        if (!context->create_Xlib_surface(display, xid))
+        {
-            goto fail;
+            context.reset();
-
+            return false;
-        context->wait_idle();
+        }
-        if (!context->swapchain->create())
-            goto fail;
     }
 #endif
 
@@ -142,10 +140,6 @@ bool EmuCanvasVulkan::createContext()
     paintEvent(nullptr);
 
     return true;
-
-fail:
-    context.reset();
-    return false;
 }
 
 void EmuCanvasVulkan::tryLoadShader()