ULRE/src/SceneGraph/Vulkan/VKInstance.cpp

125 lines
3.4 KiB
C++

#include<hgl/graph/VKInstance.h>
#include<hgl/graph/VKSurfaceExtensionName.h>
#include<hgl/graph/VKPhysicalDevice.h>
#include<hgl/graph/VKDebugOut.h>
#include<iostream>
VK_NAMESPACE_BEGIN
GPUDevice *CreateRenderDevice(VkInstance,const GPUPhysicalDevice *,Window *);
void CheckInstanceLayer(CharPointerList &layer_list,CreateInstanceLayerInfo *layer_info);
VulkanInstance *CreateInstance(const AnsiString &app_name,VKDebugOut *out,CreateInstanceLayerInfo *layer_info)
{
ApplicationInfo app_info;
InstanceCreateInfo inst_info(&app_info);
CharPointerList ext_list;
CharPointerList layer_list;
app_info.pApplicationName = app_name.c_str();
app_info.applicationVersion = 1;
app_info.pEngineName = "CMGameEngine/ULRE";
app_info.engineVersion = 1;
ext_list.Add(VK_KHR_SURFACE_EXTENSION_NAME);
ext_list.Add(HGL_VK_SURFACE_EXTENSION_NAME); //此宏在VKSurfaceExtensionName.h中定义
constexpr char *require_ext_list[]=
{
#ifdef _DEBUG
VK_EXT_DEBUG_REPORT_EXTENSION_NAME,
VK_EXT_DEBUG_UTILS_EXTENSION_NAME,
#endif//_DEBUG
VK_EXT_SWAPCHAIN_COLOR_SPACE_EXTENSION_NAME,
VK_KHR_GET_PHYSICAL_DEVICE_PROPERTIES_2_EXTENSION_NAME,
VK_KHR_GET_SURFACE_CAPABILITIES_2_EXTENSION_NAME,
};
for(const char *ext_name:require_ext_list)
if(CheckInstanceExtensionSupport(ext_name))
ext_list.Add(ext_name);
if(layer_info)
{
CheckInstanceLayer(layer_list,layer_info);
}
inst_info.enabledExtensionCount = ext_list.GetCount();
inst_info.ppEnabledExtensionNames = ext_list.GetData();
inst_info.enabledLayerCount = layer_list.GetCount();
inst_info.ppEnabledLayerNames = layer_list.GetData();
VkInstance inst;
app_info.apiVersion = VK_API_VERSION_1_2;
if(vkCreateInstance(&inst_info,nullptr,&inst)!=VK_SUCCESS)
{
app_info.apiVersion = VK_API_VERSION_1_1;
if(vkCreateInstance(&inst_info,nullptr,&inst)!=VK_SUCCESS)
{
app_info.apiVersion = VK_API_VERSION_1_0;
if(!vkCreateInstance(&inst_info,nullptr,&inst)==VK_SUCCESS)
{
return(nullptr);
}
}
}
#ifdef _DEBUG
if(!out)
out=new VKDebugOut;
#endif//_DEBUG
if(out)
out->Init(inst);
return(new VulkanInstance(inst,out));
}
VulkanInstance::VulkanInstance(VkInstance i,VKDebugOut *out)
{
inst=i;
debug_out=out;
uint32_t gpu_count = 1;
if(vkEnumeratePhysicalDevices(inst, &gpu_count, nullptr)==VK_SUCCESS)
{
VkPhysicalDevice *pd_list=new VkPhysicalDevice[gpu_count];
vkEnumeratePhysicalDevices(inst, &gpu_count,pd_list);
for(uint32_t i=0;i<gpu_count;i++)
physical_devices.Add(new GPUPhysicalDevice(inst,pd_list[i]));
delete[] pd_list;
}
GetDeviceProcAddr = (PFN_vkGetDeviceProcAddr)vkGetInstanceProcAddr(inst, "vkGetDeviceProcAddr");
}
VulkanInstance::~VulkanInstance()
{
SAFE_CLEAR(debug_out);
physical_devices.Clear();
vkDestroyInstance(inst,nullptr);
}
const GPUPhysicalDevice *VulkanInstance::GetDevice(VkPhysicalDeviceType type)const
{
for(GPUPhysicalDevice *pd:physical_devices)
if(pd->GetDeviceType()==type)
return(pd);
return(nullptr);
}
void VulkanInstance::DestroySurface(VkSurfaceKHR surface)
{
vkDestroySurfaceKHR(inst,surface,nullptr);
}
VK_NAMESPACE_END