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ULRE/example/Vulkan/VKDeviceCreater.cpp

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#include"VKDevice.h"
#include"VKInstance.h"
#include"VKPhysicalDevice.h"
VK_NAMESPACE_BEGIN
VkSurfaceKHR CreateRenderDevice(VkInstance,Window *);
namespace
{
template<typename T> T Clamp(const T &cur,const T &min_value,const T &max_value)
{
if(cur<min_value)return min_value;
if(cur>max_value)return max_value;
return cur;
}
VkExtent2D GetSwapchainExtent(VkSurfaceCapabilitiesKHR &surface_caps,uint32_t width,uint32_t height)
{
if(surface_caps.currentExtent.width==UINT32_MAX)
{
VkExtent2D swapchain_extent;
swapchain_extent.width=Clamp(width,surface_caps.minImageExtent.width,surface_caps.maxImageExtent.width);
swapchain_extent.height=Clamp(height,surface_caps.minImageExtent.height,surface_caps.maxImageExtent.height);
return swapchain_extent;
}
else
{
return surface_caps.currentExtent;
}
}
VkDevice CreateDevice(VkInstance instance,VkPhysicalDevice physical_device,uint32_t graphics_family)
{
float queue_priorities[1]={0.0};
VkDeviceQueueCreateInfo queue_info;
queue_info.queueFamilyIndex=graphics_family;
queue_info.sType=VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
queue_info.pNext=nullptr;
queue_info.queueCount=1;
queue_info.pQueuePriorities=queue_priorities;
queue_info.flags=VK_DEVICE_QUEUE_CREATE_PROTECTED_BIT;
VkDeviceCreateInfo create_info={};
const char *ext_list[1]={VK_KHR_SWAPCHAIN_EXTENSION_NAME};
create_info.sType=VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
create_info.pNext=nullptr;
create_info.queueCreateInfoCount=1;
create_info.pQueueCreateInfos=&queue_info;
create_info.enabledExtensionCount=1;
create_info.ppEnabledExtensionNames=ext_list;
create_info.enabledLayerCount=0;
create_info.ppEnabledLayerNames=nullptr;
create_info.pEnabledFeatures=nullptr;
VkDevice device;
if(vkCreateDevice(physical_device,&create_info,nullptr,&device)==VK_SUCCESS)
return device;
return nullptr;
}
VkCommandPool CreateCommandPool(VkDevice device,uint32_t graphics_family)
{
VkCommandPoolCreateInfo cmd_pool_info={};
cmd_pool_info.sType=VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
cmd_pool_info.pNext=nullptr;
cmd_pool_info.queueFamilyIndex=graphics_family;
cmd_pool_info.flags=0;
VkCommandPool cmd_pool;
if(vkCreateCommandPool(device,&cmd_pool_info,nullptr,&cmd_pool)==VK_SUCCESS)
return cmd_pool;
return(nullptr);
}
VkSwapchainKHR CreateSwapChain(DeviceAttribute *rsa)
{
VkSwapchainCreateInfoKHR swapchain_ci={};
swapchain_ci.sType=VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
swapchain_ci.pNext=nullptr;
swapchain_ci.surface=rsa->surface;
swapchain_ci.minImageCount=rsa->surface_caps.minImageCount;
swapchain_ci.imageFormat=rsa->format;
swapchain_ci.imageExtent=rsa->swapchain_extent;
swapchain_ci.preTransform=rsa->preTransform;
swapchain_ci.compositeAlpha=rsa->compositeAlpha;
swapchain_ci.imageArrayLayers=1;
swapchain_ci.presentMode=VK_PRESENT_MODE_FIFO_KHR;
swapchain_ci.oldSwapchain=VK_NULL_HANDLE;
swapchain_ci.clipped=true;
swapchain_ci.imageColorSpace=VK_COLORSPACE_SRGB_NONLINEAR_KHR;
swapchain_ci.imageUsage=VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
swapchain_ci.imageSharingMode=VK_SHARING_MODE_EXCLUSIVE;
swapchain_ci.queueFamilyIndexCount=0;
swapchain_ci.pQueueFamilyIndices=nullptr;
uint32_t queueFamilyIndices[2]={(uint32_t)rsa->graphics_family, (uint32_t)rsa->present_family};
if(rsa->graphics_family!=rsa->present_family)
{
// If the graphics and present queues are from different queue families,
// we either have to explicitly transfer ownership of images between
// the queues, or we have to create the swapchain with imageSharingMode
// as VK_SHARING_MODE_CONCURRENT
swapchain_ci.imageSharingMode=VK_SHARING_MODE_CONCURRENT;
swapchain_ci.queueFamilyIndexCount=2;
swapchain_ci.pQueueFamilyIndices=queueFamilyIndices;
}
VkSwapchainKHR swap_chain;
if(vkCreateSwapchainKHR(rsa->device,&swapchain_ci,nullptr,&swap_chain)==VK_SUCCESS)
return(swap_chain);
return(nullptr);
}
VkImageView CreateImageView(VkDevice device,VkImageViewType type,VkFormat format,VkImageAspectFlags aspectMask,VkImage img=nullptr)
{
VkImageViewCreateInfo iv_createinfo={};
iv_createinfo.sType=VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
iv_createinfo.pNext=nullptr;
iv_createinfo.flags=0;
iv_createinfo.image=img;
iv_createinfo.format=format;
iv_createinfo.viewType=type;
iv_createinfo.components.r=VK_COMPONENT_SWIZZLE_R;
iv_createinfo.components.g=VK_COMPONENT_SWIZZLE_G;
iv_createinfo.components.b=VK_COMPONENT_SWIZZLE_B;
iv_createinfo.components.a=VK_COMPONENT_SWIZZLE_A;
iv_createinfo.subresourceRange.aspectMask=aspectMask;
iv_createinfo.subresourceRange.baseMipLevel=0;
iv_createinfo.subresourceRange.levelCount=1;
iv_createinfo.subresourceRange.baseArrayLayer=0;
iv_createinfo.subresourceRange.layerCount=1;
VkImageView iv;
if(vkCreateImageView(device,&iv_createinfo,nullptr,&iv)!=VK_SUCCESS)
return(nullptr);
return iv;
}
VkImageView Create2DImageView(VkDevice device,VkFormat format,VkImage img=nullptr)
{
return CreateImageView(device,VK_IMAGE_VIEW_TYPE_2D,format,VK_IMAGE_ASPECT_COLOR_BIT,img);
}
VkImageView CreateDepthImageView(VkDevice device,VkFormat format,VkImage img=nullptr)
{
return CreateImageView(device,VK_IMAGE_VIEW_TYPE_2D,format,VK_IMAGE_ASPECT_DEPTH_BIT,img);
}
bool CreateSwapchainImageView(DeviceAttribute *rsa)
{
uint32_t count;
if(vkGetSwapchainImagesKHR(rsa->device,rsa->swap_chain,&count,nullptr)!=VK_SUCCESS)
return(false);
rsa->sc_images.SetCount(count);
if(vkGetSwapchainImagesKHR(rsa->device,rsa->swap_chain,&count,rsa->sc_images.GetData())!=VK_SUCCESS)
{
rsa->sc_images.Clear();
return(false);
}
rsa->sc_image_views.SetCount(count);
VkImage *ip=rsa->sc_images.GetData();
VkImageView *vp=rsa->sc_image_views.GetData();
for(uint32_t i=0; i<count; i++)
{
*vp=Create2DImageView(rsa->device,rsa->format,*ip);
if(*vp==nullptr)
return(false);
++ip;
++vp;
}
return(true);
}
bool CreateDepthBuffer(DeviceAttribute *rsa)
{
VkImageCreateInfo image_info={};
const VkFormat depth_format=VK_FORMAT_D16_UNORM;
VkFormatProperties props;
vkGetPhysicalDeviceFormatProperties(rsa->physical_device->physical_device,depth_format,&props);
if(props.linearTilingFeatures&VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT)
image_info.tiling=VK_IMAGE_TILING_LINEAR;
else
if(props.optimalTilingFeatures&VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT)
image_info.tiling=VK_IMAGE_TILING_OPTIMAL;
else
return(false);
image_info.sType=VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
image_info.pNext=nullptr;
image_info.imageType=VK_IMAGE_TYPE_2D;
image_info.format=depth_format;
image_info.extent.width=rsa->swapchain_extent.width;
image_info.extent.height=rsa->swapchain_extent.height;
image_info.extent.depth=1;
image_info.mipLevels=1;
image_info.arrayLayers=1;
image_info.samples=VK_SAMPLE_COUNT_1_BIT;
image_info.initialLayout=VK_IMAGE_LAYOUT_UNDEFINED;
image_info.usage=VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT;
image_info.queueFamilyIndexCount=0;
image_info.pQueueFamilyIndices=nullptr;
image_info.sharingMode=VK_SHARING_MODE_EXCLUSIVE;
image_info.flags=0;
rsa->depth.format=depth_format;
if(vkCreateImage(rsa->device,&image_info,nullptr,&rsa->depth.image)!=VK_SUCCESS)
return(false);
VkMemoryRequirements mem_reqs;
vkGetImageMemoryRequirements(rsa->device,rsa->depth.image,&mem_reqs);
VkMemoryAllocateInfo mem_alloc={};
mem_alloc.sType=VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
mem_alloc.pNext=nullptr;
mem_alloc.allocationSize=0;
mem_alloc.memoryTypeIndex=0;
mem_alloc.allocationSize=mem_reqs.size;
if(!rsa->CheckMemoryType(mem_reqs.memoryTypeBits,VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT,&mem_alloc.memoryTypeIndex))
return(false);
if(vkAllocateMemory(rsa->device,&mem_alloc,nullptr,&rsa->depth.mem)!=VK_SUCCESS)
return(false);
if(vkBindImageMemory(rsa->device,rsa->depth.image,rsa->depth.mem,0)!=VK_SUCCESS)
return(false);
rsa->depth.view=CreateDepthImageView(rsa->device,depth_format,rsa->depth.image);
if(rsa->depth.view==nullptr)
return(false);
return(true);
}
VkDescriptorPool CreateDescriptorPool(VkDevice device,int sets_count)
{
constexpr size_t DESC_POOL_COUNT=1;
VkDescriptorPoolSize pool_size[DESC_POOL_COUNT];
for(size_t i=0;i<DESC_POOL_COUNT;i++)
{
pool_size[i].type=VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
pool_size[i].descriptorCount=1;
}
VkDescriptorPoolCreateInfo dp_create_info={};
dp_create_info.sType=VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
dp_create_info.pNext=NULL;
dp_create_info.maxSets=sets_count;
dp_create_info.poolSizeCount=DESC_POOL_COUNT;
dp_create_info.pPoolSizes=pool_size;
VkDescriptorPool desc_pool;
if(vkCreateDescriptorPool(device,&dp_create_info,nullptr,&desc_pool)!=VK_SUCCESS)
return(nullptr);
return desc_pool;
}
struct RenderDeviceCreater
{
DeviceAttribute *attr;
public:
RenderDeviceCreater(VkInstance inst,const PhysicalDevice *pd,VkSurfaceKHR sur)
{
attr=new DeviceAttribute(inst,pd,sur);
}
~RenderDeviceCreater()
{
if(attr)
delete attr;
}
DeviceAttribute *operator -> (){return attr;}
};//struct RenderDeviceCreater
}//namespace
Device *CreateRenderDevice(VkInstance inst,const PhysicalDevice *physical_device,Window *win)
{
VkSurfaceKHR surface=CreateRenderDevice(inst,win);
if(!surface)
return(nullptr);
RenderDeviceCreater rdc(inst,physical_device,surface);
rdc->swapchain_extent=GetSwapchainExtent(rdc->surface_caps,win->GetWidth(),win->GetHeight());
if(rdc->graphics_family==ERROR_FAMILY_INDEX)
return(nullptr);
rdc->device=CreateDevice(inst,physical_device->physical_device,rdc->graphics_family);
if(!rdc->device)
return(nullptr);
rdc->cmd_pool=CreateCommandPool(rdc->device,rdc->graphics_family);
if(!rdc->cmd_pool)
return(nullptr);
rdc->swap_chain=CreateSwapChain(rdc.attr);
if(!rdc->swap_chain)
return(nullptr);
if(!CreateSwapchainImageView(rdc.attr))
return(nullptr);
if(!CreateDepthBuffer(rdc.attr))
return(nullptr);
rdc->desc_pool=CreateDescriptorPool(rdc->device,1);
if(!rdc->desc_pool)
return(nullptr);
Device *dev=new Device(rdc.attr);
rdc.attr=nullptr;
return dev;
}
VK_NAMESPACE_END
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