save code

PhysicalDevice.cpp

@@ -0,0 +1,43 @@
+#include "HelloTriangleApplication.h"
+
+void HelloTriangleApplication::pickPhysicalDevice()
+{
+    uint32_t deviceCount = 0;
+    vkEnumeratePhysicalDevices(instance, &deviceCount, nullptr);
+
+    if (deviceCount == 0)
+    {
+        throw std::runtime_error("failed to find GPUs with Vulkan support!");
+    }
+
+    std::vector<VkPhysicalDevice> devices(deviceCount);
+    vkEnumeratePhysicalDevices(instance, &deviceCount, devices.data());
+
+    for (const auto &device : devices)
+    {
+        if (isDeviceSuitable(device))
+        {
+            physicalDevice = device;
+            break;
+        }
+    }
+
+    if (physicalDevice == VK_NULL_HANDLE)
+    {
+        throw std::runtime_error("failed to find a suitable GPU!");
+    }
+}
+
+bool HelloTriangleApplication::isDeviceSuitable(VkPhysicalDevice device) {
+    QueueFamilyIndices indices = findQueueFamilies(device);
+
+    bool extensionsSupported = checkDeviceExtensionSupport(device);
+
+    bool swapChainAdequate = false;
+    if (extensionsSupported) {
+        SwapChainSupportDetails swapChainSupport = querySwapChainSupport(device);
+        swapChainAdequate = !swapChainSupport.formats.empty() && !swapChainSupport.presentModes.empty();
+    }
+
+    return indices.isComplete() && extensionsSupported && swapChainAdequate;
+}