开始Vulkan尝试

CMakeLists.txt

@@ -19,8 +19,12 @@ IF(WIN32)
 	include_directories(3rdpty/glfw/include)
 
 	SET(OPENGL_LIB	opengl32)
+
+    SET(VULKAN_LIB  vulkan-1)
 ELSE()
 	SET(OPENGL_LIB	GL)
+
+    SET(VULKAN_LIB  vulkan)
 ENDIF()
 
 add_definitions(-DMATH_USE_OPENGL)

example/CMakeLists.txt

@@ -4,3 +4,5 @@ add_subdirectory(NullWindow)
 add_subdirectory(DirectGLRender)
 add_subdirectory(DirectGLTexture)
 add_subdirectory(TextureSampler)
+
+add_subdirectory(Vulkan)

example/Vulkan/CMakeLists.txt

@@ -0,0 +1,4 @@
+add_executable(VulkanTest   main.cpp
+                            VKInstance.cpp)
+
+target_link_libraries(VulkanTest PRIVATE ${ULRE} ${VULKAN_LIB})

example/Vulkan/VKInstance.cpp

@@ -0,0 +1,52 @@
+#include"VKInstance.h"
+#include<hgl/type/DataType.h>
+
+VK_NAMESPACE_BEGIN
+
+Instance::Instance(const UTF8String &an)
+{
+    app_name=an;
+
+    app_info.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
+    app_info.pNext = nullptr;
+    app_info.pApplicationName = app_name.c_str();
+    app_info.applicationVersion = 1;
+    app_info.pEngineName = "CMGameEngine/ULRE";
+    app_info.engineVersion = 1;
+    app_info.apiVersion = VK_API_VERSION_1_0;
+
+    inst_info.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
+    inst_info.pNext = nullptr;
+    inst_info.flags = 0;
+    inst_info.pApplicationInfo = &app_info;
+    inst_info.enabledExtensionCount = 0;
+    inst_info.ppEnabledExtensionNames = nullptr;
+    inst_info.enabledLayerCount = 0;
+    inst_info.ppEnabledLayerNames = nullptr;
+
+    inst=nullptr;
+}
+
+Instance::~Instance()
+{
+    if(inst)
+        vkDestroyInstance(inst,nullptr);
+}
+
+bool Instance::Init()
+{
+    if(inst)
+        return(false);
+
+    VkResult res=vkCreateInstance(&inst_info,nullptr,&inst);
+
+    if(res)
+    {
+        inst=nullptr;
+        return(false);
+    }
+
+    return(true);
+}
+
+VK_NAMESPACE_END

example/Vulkan/VKInstance.h

@@ -0,0 +1,30 @@
+#ifndef HGL_GRAPH_VULKAN_INSTANCE_INCLUDE
+#define HGL_GRAPH_VULKAN_INSTANCE_INCLUDE
+
+#include<hgl/type/BaseString.h>
+#include<vulkan/vulkan.h>
+
+#define VK_NAMESPACE_BEGIN  namespace hgl{namespace graph{namespace vulkan{
+#define VK_NAMESPACE_END    }}}
+
+VK_NAMESPACE_BEGIN
+    class Instance
+    {
+        VkApplicationInfo app_info;
+        VkInstanceCreateInfo inst_info;
+
+        VkInstance inst;
+
+    private:
+
+        UTF8String app_name;
+
+    public:
+
+        Instance(const UTF8String &an);
+        virtual ~Instance();
+
+        virtual bool Init();
+    };//class Instance
+VK_NAMESPACE_END
+#endif//HGL_GRAPH_VULKAN_INSTANCE_INCLUDE

example/Vulkan/main.cpp

@@ -0,0 +1,13 @@
+#include"VKInstance.h"
+
+int main(int,char **)
+{
+    using namespace hgl;
+    using namespace hgl::graph;
+
+    vulkan::Instance inst("Test");
+
+    inst.Init();
+
+    return 0;
+}