working on vulkan

Sources/Backends/Vulkan/VulkanInstance.c

@@ -0,0 +1,55 @@
+// Copyright (C) 2024 kanel
+// This file is part of "Pulse"
+// For conditions of distribution and use, see copyright notice in LICENSE
+
+#include "../../PulseInternal.h"
+#include "VulkanInstance.h"
+#include "VulkanLoader.h"
+#include "Vulkan.h"
+
+static VkInstance VulkanCreateInstance(const char** extensions_enabled, uint32_t extensions_count, PulseDebugLevel debug_level)
+{
+	static const char* layer_names[] = { "VK_LAYER_KHRONOS_validation" };
+
+	VkInstance instance = VK_NULL_HANDLE;
+
+	VkApplicationInfo app_info = {};
+	app_info.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
+	app_info.pEngineName = "PulseGPU";
+	app_info.engineVersion = PULSE_VERSION;
+	app_info.apiVersion = VK_API_VERSION_1_0;
+
+	VkInstanceCreateInfo create_info = {};
+	create_info.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
+	create_info.pApplicationInfo = &app_info;
+	create_info.enabledExtensionCount = extensions_count;
+	create_info.ppEnabledExtensionNames = extensions_enabled;
+	create_info.enabledLayerCount = sizeof(layer_names) / sizeof(layer_names[0]);
+	create_info.ppEnabledLayerNames = layer_names;
+	create_info.pNext = PULSE_NULLPTR;
+	#ifdef PULSE_PLAT_MACOS
+		create_info.flags = VK_INSTANCE_CREATE_ENUMERATE_PORTABILITY_BIT_KHR;
+	#else
+		create_info.flags = 0;
+	#endif
+
+	VulkanGetGlobal()->vkCreateInstance(&create_info, PULSE_NULLPTR, &instance);
+	return instance;
+}
+
+bool VulkanInitInstance(VulkanInstance* instance, PulseDebugLevel debug_level)
+{
+	instance->instance = VulkanCreateInstance(NULL, 0, debug_level);
+	if(instance->instance == VK_NULL_HANDLE)
+	{
+		PulseSetInternalError(PULSE_ERROR_INITIALIZATION_FAILED);
+		return false;
+	}
+	if(VulkanLoadInstance(instance))
+		return false;
+	return true;
+}
+
+void VulkanDestroyInstance(VulkanInstance* instance)
+{
+}