VulkanRenderer: Move vulkan wrappers to a separate directory

2016-10-29 01:59:06 +02:00
parent 8d06c57d0d
commit e61c6d0a8e
58 changed files with 108 additions and 108 deletions
--- a/src/Nazara/VulkanRenderer/Wrapper/Loader.cpp
+++ b/src/Nazara/VulkanRenderer/Wrapper/Loader.cpp
@@ -0,0 +1,118 @@
+// Copyright (C) 2016 Jérôme Leclercq
+// This file is part of the "Nazara Engine - Vulkan Renderer"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#include <Nazara/VulkanRenderer/Wrapper/Loader.hpp>
+#include <Nazara/VulkanRenderer/Utils.hpp>
+#include <Nazara/VulkanRenderer/Debug.hpp>
+
+namespace Nz
+{
+	namespace Vk
+	{
+		bool Loader::EnumerateInstanceExtensionProperties(std::vector<VkExtensionProperties>* properties, const char* layerName)
+		{
+			NazaraAssert(properties, "Invalid device vector");
+
+			// First, query physical device count
+			UInt32 propertyCount = 0; // Remember, Nz::UInt32 is a typedef on uint32_t
+			s_lastErrorCode = vkEnumerateInstanceExtensionProperties(layerName, &propertyCount, properties->data());
+			if (s_lastErrorCode != VkResult::VK_SUCCESS)
+			{
+				NazaraError("Failed to get instance extension properties count: " + TranslateVulkanError(s_lastErrorCode));
+				return false;
+			}
+
+			// Now we can get the list of the available physical device
+			properties->resize(propertyCount);
+			s_lastErrorCode = vkEnumerateInstanceExtensionProperties(layerName, &propertyCount, properties->data());
+			if (s_lastErrorCode != VkResult::VK_SUCCESS)
+			{
+				NazaraError("Failed to enumerate instance extension properties: " + TranslateVulkanError(s_lastErrorCode));
+				return false;
+			}
+
+			return true;
+		}
+
+		bool Loader::EnumerateInstanceLayerProperties(std::vector<VkLayerProperties>* properties)
+		{
+			NazaraAssert(properties, "Invalid device vector");
+
+			// First, query physical device count
+			UInt32 propertyCount = 0; // Remember, Nz::UInt32 is a typedef on uint32_t
+			s_lastErrorCode = vkEnumerateInstanceLayerProperties(&propertyCount, properties->data());
+			if (s_lastErrorCode != VkResult::VK_SUCCESS)
+			{
+				NazaraError("Failed to get instance layer properties count: " + TranslateVulkanError(s_lastErrorCode));
+				return false;
+			}
+
+			// Now we can get the list of the available physical device
+			properties->resize(propertyCount);
+			s_lastErrorCode = vkEnumerateInstanceLayerProperties(&propertyCount, properties->data());
+			if (s_lastErrorCode != VkResult::VK_SUCCESS)
+			{
+				NazaraError("Failed to enumerate instance layer properties: " + TranslateVulkanError(s_lastErrorCode));
+				return false;
+			}
+
+			return true;
+		}
+
+		bool Loader::Initialize()
+		{
+			#ifdef NAZARA_PLATFORM_WINDOWS
+			s_vulkanLib.Load("vulkan-1.dll");
+			#elif defined(NAZARA_PLATFORM_LINUX)
+			s_vulkanLib.Load("libvulkan.so");
+			#else
+			#error Unhandled platform
+			#endif
+
+			if (!s_vulkanLib.IsLoaded())
+			{
+				NazaraError("Failed to open vulkan library: " + s_vulkanLib.GetLastError());
+				return false;
+			}
+
+			// vkGetInstanceProcAddr is the only function that's garantee to be exported
+			vkGetInstanceProcAddr = reinterpret_cast<PFN_vkGetInstanceProcAddr>(s_vulkanLib.GetSymbol("vkGetInstanceProcAddr"));
+			if (!vkGetInstanceProcAddr)
+			{
+				NazaraError("Failed to get symbol \"vkGetInstanceProcAddr\": " + s_vulkanLib.GetLastError());
+				return false;
+			}
+
+			// all other functions should be loaded using vkGetInstanceProcAddr
+			#define NAZARA_VULKANRENDERER_LOAD_GLOBAL(func) func = reinterpret_cast<PFN_##func>(vkGetInstanceProcAddr(nullptr, #func))
+
+			NAZARA_VULKANRENDERER_LOAD_GLOBAL(vkCreateInstance);
+			NAZARA_VULKANRENDERER_LOAD_GLOBAL(vkEnumerateInstanceExtensionProperties);
+			NAZARA_VULKANRENDERER_LOAD_GLOBAL(vkEnumerateInstanceLayerProperties);
+
+			#undef NAZARA_VULKANRENDERER_LOAD_GLOBAL
+
+			s_lastErrorCode = VkResult::VK_SUCCESS;
+
+			return true;
+		}
+
+		#define NAZARA_VULKANRENDERER_GLOBAL_FUNCTION_IMPL(func) PFN_##func Loader::func = nullptr
+
+		NAZARA_VULKANRENDERER_GLOBAL_FUNCTION_IMPL(vkCreateInstance);
+		NAZARA_VULKANRENDERER_GLOBAL_FUNCTION_IMPL(vkEnumerateInstanceExtensionProperties);
+		NAZARA_VULKANRENDERER_GLOBAL_FUNCTION_IMPL(vkEnumerateInstanceLayerProperties);
+		NAZARA_VULKANRENDERER_GLOBAL_FUNCTION_IMPL(vkGetInstanceProcAddr);
+
+		#undef NAZARA_VULKANRENDERER_GLOBAL_FUNCTION_IMPL
+
+		DynLib Loader::s_vulkanLib;
+		VkResult Loader::s_lastErrorCode;
+
+		void Loader::Uninitialize()
+		{
+			s_vulkanLib.Unload();
+		}
+	}
+}