Fix render resolution at different UI scales (#514)

src/Cafe/HW/Latte/Core/LatteOverlay.cpp

@@ -513,9 +513,9 @@ void LatteOverlay_render(bool pad_view)
 
 	sint32 w = 0, h = 0;
 	if (pad_view && gui_isPadWindowOpen())
-		gui_getPadWindowSize(&w, &h);
+		gui_getPadWindowPhysSize(w, h);
 	else
-		gui_getWindowSize(&w, &h);
+		gui_getWindowPhysSize(w, h);
 
 	if (w == 0 || h == 0)
 		return;

src/Cafe/HW/Latte/Core/LatteRenderTarget.cpp

@@ -848,9 +848,9 @@ void LatteRenderTarget_getScreenImageArea(sint32* x, sint32* y, sint32* width, s
 {
 	int w, h;
 	if(padView && gui_isPadWindowOpen())
-		gui_getPadWindowSize(&w, &h);
+		gui_getPadWindowPhysSize(w, h);
 	else
-		gui_getWindowSize(&w, &h);
+		gui_getWindowPhysSize(w, h);
 
 	sint32 scaledOutputX;
 	sint32 scaledOutputY;

src/Cafe/HW/Latte/Core/LatteShaderCache.cpp

@@ -418,7 +418,7 @@ void LatteShaderCache_ShowProgress(const std::function <bool(void)>& loadUpdateF
 			continue;
 
 		int w, h;
-		gui_getWindowSize(&w, &h);
+		gui_getWindowPhysSize(w, h);
 		const Vector2f window_size{ (float)w,(float)h };
 
 		ImGui_GetFont(window_size.y / 32.0f); // = 24 by default

src/Cafe/HW/Latte/Core/LatteThread.cpp

@@ -117,7 +117,7 @@ int Latte_ThreadEntry()
 {
 	SetThreadName("LatteThread");
 	sint32 w,h;
-	gui_getWindowSize(&w,&h);
+	gui_getWindowPhysSize(w,h);
 
 	// imgui
 	ImGui::CreateContext();

src/Cafe/HW/Latte/Renderer/OpenGL/OpenGLRenderer.cpp

@@ -556,9 +556,9 @@ void OpenGLRenderer::DrawBackbufferQuad(LatteTextureView* texView, RendererOutpu
 	{
 		int windowWidth, windowHeight;
 		if (padView)
-			gui_getPadWindowSize(&windowWidth, &windowHeight);
+			gui_getPadWindowPhysSize(windowWidth, windowHeight);
 		else
-			gui_getWindowSize(&windowWidth, &windowHeight);
+			gui_getWindowPhysSize(windowWidth, windowHeight);
 		g_renderer->renderTarget_setViewport(0, 0, windowWidth, windowHeight, 0.0f, 1.0f);
 		g_renderer->ClearColorbuffer(padView);
 	}

src/Cafe/HW/Latte/Renderer/Renderer.cpp

@@ -36,9 +36,9 @@ bool Renderer::ImguiBegin(bool mainWindow)
 {
 	sint32 w = 0, h = 0;
 	if(mainWindow)
-		gui_getWindowSize(&w, &h);
+		gui_getWindowPhysSize(w, h);
 	else if(gui_isPadWindowOpen())
-		gui_getPadWindowSize(&w, &h);
+		gui_getPadWindowPhysSize(w, h);
 	else
 		return false;
 		

src/Cafe/HW/Latte/Renderer/Vulkan/CocoaSurface.mm

@@ -13,8 +13,23 @@
 
 +(Class) layerClass { return [CAMetalLayer class]; }
 
--(CALayer*) makeBackingLayer { return [self.class.layerClass layer]; }
+// copied from https://github.com/KhronosGroup/MoltenVK/blob/master/Demos/Cube/macOS/DemoViewController.m
 
+-(CALayer*) makeBackingLayer
+{
+	CALayer* layer = [self.class.layerClass layer];
+	CGSize viewScale = [self convertSizeToBacking: CGSizeMake(1.0, 1.0)];
+	layer.contentsScale = MIN(viewScale.width, viewScale.height);
+	return layer;
+}
+
+-(BOOL) layer: (CALayer *)layer shouldInheritContentsScale: (CGFloat)newScale fromWindow: (NSWindow *)window
+{
+	if (newScale == layer.contentsScale) { return NO; }
+
+	layer.contentsScale = newScale;
+	return YES;
+}
 @end
 
 VkSurfaceKHR CreateCocoaSurface(VkInstance instance, void* handle)

src/Cafe/HW/Latte/Renderer/Vulkan/SwapchainInfoVk.cpp

@@ -208,20 +208,14 @@ bool SwapchainInfoVk::AcquireImage(uint64 timeout)
 
 	VkSemaphore acquireSemaphore = m_acquireSemaphores[m_acquireIndex];
 	VkResult result = vkAcquireNextImageKHR(m_logicalDevice, swapchain, timeout, acquireSemaphore, m_imageAvailableFence, &swapchainImageIndex);
-	if (result == VK_TIMEOUT)
+	if (result == VK_ERROR_OUT_OF_DATE_KHR || result == VK_SUBOPTIMAL_KHR)
+		m_shouldRecreate = true;
+	if (result < 0)
 	{
-		return false;
-	}
-	else if (result != VK_SUCCESS)
-	{
-		if (result == VK_ERROR_OUT_OF_DATE_KHR || result == VK_SUBOPTIMAL_KHR)
-			m_shouldRecreate = true;
-
-		if (result == VK_ERROR_OUT_OF_DATE_KHR)
-			return false;
-
-		if (result != VK_ERROR_OUT_OF_DATE_KHR && result != VK_SUBOPTIMAL_KHR)
+		swapchainImageIndex = -1;
+		if (result != VK_ERROR_OUT_OF_DATE_KHR)
 			throw std::runtime_error(fmt::format("Failed to acquire next image: {}", result));
+		return false;
 	}
 	m_currentSemaphore = acquireSemaphore;
 	m_awaitableFence = m_imageAvailableFence;

src/Cafe/HW/Latte/Renderer/Vulkan/VulkanRenderer.cpp

@@ -643,7 +643,7 @@ VulkanRenderer* VulkanRenderer::GetInstance()
 	return (VulkanRenderer*)g_renderer.get();
 }
 
-void VulkanRenderer::Initialize(const Vector2i& size, bool mainWindow)
+void VulkanRenderer::InitializeSurface(const Vector2i& size, bool mainWindow)
 {
 	auto& windowHandleInfo = mainWindow ? gui_getWindowInfo().canvas_main : gui_getWindowInfo().canvas_pad;
 
@@ -2564,20 +2564,20 @@ void VulkanRenderer::RecreateSwapchain(bool mainWindow, bool skipCreate)
 	if (mainWindow)
 	{
 		ImGui_ImplVulkan_Shutdown();
-		gui_getWindowSize(&size.x, &size.y);
+		gui_getWindowPhysSize(size.x, size.y);
 	}
 	else
 	{
-		gui_getPadWindowSize(&size.x, &size.y);
+		gui_getPadWindowPhysSize(size.x, size.y);
 	}
 
+	chainInfo.swapchainImageIndex = -1;
 	chainInfo.Cleanup();
 	chainInfo.m_desiredExtent = size;
 	if(!skipCreate)
 	{
 		chainInfo.Create(m_physicalDevice, m_logicalDevice);
 	}
-	chainInfo.swapchainImageIndex = -1;
 
 	if (mainWindow)
 		ImguiInit();
@@ -2644,13 +2644,12 @@ void VulkanRenderer::SwapBuffer(bool mainWindow)
 	presentInfo.pWaitSemaphores = &presentSemaphore;
 
 	VkResult result = vkQueuePresentKHR(m_presentQueue, &presentInfo);
-	if (result != VK_SUCCESS)
+	if (result < 0 && result != VK_ERROR_OUT_OF_DATE_KHR)
 	{
-		if (result == VK_ERROR_OUT_OF_DATE_KHR || result == VK_SUBOPTIMAL_KHR)
-			chainInfo.m_shouldRecreate = true;
-		else
-			throw std::runtime_error(fmt::format("Failed to present image: {}", result));
+		throw std::runtime_error(fmt::format("Failed to present image: {}", result));
 	}
+	if(result == VK_ERROR_OUT_OF_DATE_KHR || result == VK_SUBOPTIMAL_KHR)
+		chainInfo.m_shouldRecreate = true;
 
 	chainInfo.hasDefinedSwapchainImage = false;
 

src/Cafe/HW/Latte/Renderer/Vulkan/VulkanRenderer.h

@@ -182,7 +182,7 @@ public:
 
 	void GetDeviceFeatures();
 	void DetermineVendor();
-	void Initialize(const Vector2i& size, bool mainWindow);
+	void InitializeSurface(const Vector2i& size, bool mainWindow);
 
 	const std::unique_ptr<SwapchainInfoVk>& GetChainInfoPtr(bool mainWindow) const;
 	SwapchainInfoVk& GetChainInfo(bool mainWindow) const;