Make window resize work with Vulkan. Seems more stable now.

Author: hrydgard

SDL/SDLMain.cpp

@@ -621,7 +621,7 @@ int main(int argc, char *argv[]) {
 #if !defined(MOBILE_DEVICE)
 			case SDL_WINDOWEVENT:
 				switch (event.window.event) {
-				case SDL_WINDOWEVENT_RESIZED:
+				case SDL_WINDOWEVENT_SIZE_CHANGED:  // better than RESIZED, more general
 				{
 					Uint32 window_flags = SDL_GetWindowFlags(window);
 					bool fullscreen = (window_flags & SDL_WINDOW_FULLSCREEN);

SDL/SDLVulkanGraphicsContext.h

@@ -25,16 +25,11 @@ class SDLVulkanGraphicsContext : public GraphicsContext {
 	}
 
 	void Resize() override {
-		/*
 		draw_->HandleEvent(Draw::Event::LOST_BACKBUFFER, vulkan_->GetBackbufferWidth(), vulkan_->GetBackbufferHeight());
 		vulkan_->DestroyObjects();
-		// TODO: Take from real window dimensions
-		int width = 1024;
-		int height = 768;
-		vulkan_->ReinitSurface(width, height);
+		vulkan_->ReinitSurface();
 		vulkan_->InitObjects();
 		draw_->HandleEvent(Draw::Event::GOT_BACKBUFFER, vulkan_->GetBackbufferWidth(), vulkan_->GetBackbufferHeight());
-		*/
 	}
 
 	void SwapInterval(int interval) override {

ext/native/thin3d/VulkanRenderManager.cpp

@@ -865,7 +865,9 @@ void VulkanRenderManager::BeginSubmitFrame(int frame) {
 		VkResult res = vkAcquireNextImageKHR(vulkan_->GetDevice(), vulkan_->GetSwapchain(), UINT64_MAX, acquireSemaphore_, (VkFence)VK_NULL_HANDLE, &frameData.curSwapchainImage);
 		if (res == VK_SUBOPTIMAL_KHR) {
 			// Hopefully the resize will happen shortly. Ignore - one frame might look bad or something.
+			WLOG("VK_SUBOPTIMAL_KHR returned - ignoring");
 		} else if (res == VK_ERROR_OUT_OF_DATE_KHR) {
+			WLOG("VK_ERROR_OUT_OF_DATE_KHR returned - not presenting");
 			frameData.skipSwap = true;
 		} else {
 			_assert_msg_(G3D, res == VK_SUCCESS, "vkAcquireNextImageKHR failed! result=%s", VulkanResultToString(res));