Add simple swapchain resize test (#2249)

* Added swapchain resize test

* fixed externals

* Rerun CI

* Ignore test if swapchain fails to create

1 files changed, 84 insertions, 0 deletions

diff --git a/tools/gfx-unit-test/swap-chain-resize-test.cpp b/tools/gfx-unit-test/swap-chain-resize-test.cpp
new file mode 100644
index 000000000..903deba30
--- /dev/null
+++ b/tools/gfx-unit-test/swap-chain-resize-test.cpp
@@ -0,0 +1,84 @@
+#include "tools/unit-test/slang-unit-test.h"
+
+#include "slang-gfx.h"
+#include "gfx-test-util.h"
+#include "tools/gfx-util/shader-cursor.h"
+#include "tools/platform/window.h"
+#include "source/core/slang-basic.h"
+
+using namespace gfx;
+using namespace Slang;
+
+namespace gfx_test
+{
+    struct SwapchainResizeTest
+    {
+        IDevice* device;
+        UnitTestContext* context;
+
+        RefPtr<platform::Window> window;
+        ComPtr<ICommandQueue> queue;
+        ComPtr<ISwapchain> swapchain;
+
+        static const GfxCount width = 500;
+        static const GfxCount height = 500;
+        static const int kSwapchainImageCount = 2;
+
+        void init(IDevice* device, UnitTestContext* context)
+        {
+            this->device = device;
+            this->context = context;
+        }
+
+        void createRequiredResources()
+        {
+            platform::Application::init();
+
+            platform::WindowDesc windowDesc;
+            windowDesc.title = "";
+            windowDesc.width = width;
+            windowDesc.height = height;
+            windowDesc.style = platform::WindowStyle::Default;
+            window = platform::Application::createWindow(windowDesc);
+
+            ICommandQueue::Desc queueDesc = {};
+            queueDesc.type = ICommandQueue::QueueType::Graphics;
+            queue = device->createCommandQueue(queueDesc);
+
+            ISwapchain::Desc swapchainDesc = {};
+            swapchainDesc.format = Format::R8G8B8A8_UNORM;
+            swapchainDesc.width = width;
+            swapchainDesc.height = height;
+            swapchainDesc.imageCount = kSwapchainImageCount;
+            swapchainDesc.queue = queue;
+            WindowHandle windowHandle = window->getNativeHandle().convert<WindowHandle>();
+            if (SLANG_FAILED(device->createSwapchain(swapchainDesc, windowHandle, swapchain.writeRef())))
+                SLANG_IGNORE_TEST;
+        }
+
+        void run()
+        {
+            createRequiredResources();
+            // TODO: Extend test by drawing for a few frames before and after resize to ensure swapchain remains usable
+            GFX_CHECK_CALL(swapchain->resize(700, 700));
+        }
+    };
+
+    void swapchainResizeTestImpl(IDevice* device, UnitTestContext* context)
+    {
+        SwapchainResizeTest t;
+        t.init(device, context);
+        t.run();
+    }
+
+    SLANG_UNIT_TEST(swapchainResizeD3D12)
+    {
+        runTestImpl(swapchainResizeTestImpl, unitTestContext, RenderApiFlag::D3D12);
+    }
+
+    SLANG_UNIT_TEST(swapchainResizeVulkan)
+    {
+        runTestImpl(swapchainResizeTestImpl, unitTestContext, RenderApiFlag::Vulkan);
+    }
+
+}