first commit

rendering_api/vulkan/src/output_device/vulkan_physical_device.cpp

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+#include "core/output_device/gryphn_physical_output_device.h"
+#include <vulkan/vulkan.h>
+#include <instance/vulkan_instance.h>
+#include "presentation_queue/vulkan_queue_families.h"
+#include "vulkan_output_devices.h"
+#include "presentation_queue/vulkan_swapchain.h"
+
+// gnPhysicalOutputDevice::gnPhysicalOutputDevice() {
+//     physicalOutputDevice = new gnPlatformPhysicalOutputDevice();
+// }
+
+GN_EXPORT gnList<gnPhysicalOutputDevice> gnGetPhysicalOutputDevicesFn(const gnInstance& instance) {
+    uint32_t deviceCount = 0;
+    vkEnumeratePhysicalDevices(instance.instance->vk_instance, &deviceCount, nullptr);
+
+    if (deviceCount == 0) {
+        // throw std::runtime_error("failed to find any physical devices");
+        // TODO: why am I error checking for myself I can read the size of a list can't I
+        return gnCreateList<gnPhysicalOutputDevice>();
+    }
+
+    std::vector<VkPhysicalDevice> devices(deviceCount);
+    vkEnumeratePhysicalDevices(instance.instance->vk_instance, &deviceCount, devices.data());
+
+
+    gnList<gnPhysicalOutputDevice> outputDevices = gnCreateList<gnPhysicalOutputDevice>();
+
+    for (int i = 0; i < deviceCount; i++) {
+        gnPhysicalOutputDevice newOutputDevice = gnPhysicalOutputDevice();
+        newOutputDevice.physicalOutputDevice = new gnPlatformPhysicalOutputDevice();
+        newOutputDevice.physicalOutputDevice->device = devices[i];
+        newOutputDevice.physicalOutputDevice->instance = const_cast<gnInstance*>(&instance);
+
+        VkPhysicalDeviceProperties deviceProperties;
+        vkGetPhysicalDeviceProperties(devices[i], &deviceProperties);
+        newOutputDevice.outputDeviceName = gnCreateString(deviceProperties.deviceName);
+
+        gnListAdd(outputDevices, newOutputDevice);
+    }
+
+    return outputDevices;
+}
+
+GN_EXPORT bool gnDeviceSupportsAPIFn(const gnPhysicalOutputDevice& device) {
+    QueueFamilyIndices indices = findQueueFamilies(device.physicalOutputDevice->instance->instance->window_surface, device.physicalOutputDevice->device);
+    bool extensionsSupported = checkDeviceExtensionSupport(deviceExtensions, device.physicalOutputDevice->device);
+
+    bool swapChainAdequate = false;
+    if (extensionsSupported) {
+        SwapChainSupportDetails swapChainSupport = querySwapChainSupport(device.physicalOutputDevice->instance->instance->window_surface, device.physicalOutputDevice->device);
+        swapChainAdequate = !swapChainSupport.formats.empty() && !swapChainSupport.presentModes.empty();
+    }
+
+    VkPhysicalDeviceFeatures supportedFeatures;
+    vkGetPhysicalDeviceFeatures(device.physicalOutputDevice->device, &supportedFeatures);
+
+    return indices.isComplete() && extensionsSupported && swapChainAdequate && supportedFeatures.samplerAnisotropy;
+}