VkResult _glfwPlatformCreateWindowSurface(VkInstance instance,
_GLFWwindow* window,
const VkAllocationCallbacks* allocator,
VkSurfaceKHR* surface)
{
VkResult err;
VkWin32SurfaceCreateInfoKHR sci;
PFN_vkCreateWin32SurfaceKHR vkCreateWin32SurfaceKHR;
vkCreateWin32SurfaceKHR = (PFN_vkCreateWin32SurfaceKHR)
vkGetInstanceProcAddr(instance, "vkCreateWin32SurfaceKHR");
if (!vkCreateWin32SurfaceKHR)
{
_glfwInputError(GLFW_API_UNAVAILABLE,
"Win32: Vulkan instance missing VK_KHR_win32_surface extension");
return VK_ERROR_EXTENSION_NOT_PRESENT;
}
memset(&sci, 0, sizeof(sci));
sci.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR;
sci.hinstance = GetModuleHandle(NULL);
sci.hwnd = window->win32.handle;
err = vkCreateWin32SurfaceKHR(instance, &sci, allocator, surface);
if (err)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Win32: Failed to create Vulkan surface: %s",
_glfwGetVulkanResultString(err));
}
return err;
}
ne_status
vkgfx_init_surface(void)
{
VkResult err = 0;
VkWin32SurfaceCreateInfoKHR ci;
PFN_vkCreateWin32SurfaceKHR vkCreateWin32SurfaceKHR = NULL;
memset(&ci, 0x0, sizeof(ci));
vkCreateWin32SurfaceKHR = (PFN_vkCreateWin32SurfaceKHR)
vkGetInstanceProcAddr(vkgfx_instance, "vkCreateWin32SurfaceKHR");
if (!vkCreateWin32SurfaceKHR) {
log_entry(VK_WIN32_GFX_MODULE, LOG_CRITICAL,
"Vulkan instance missing VK_KHR_win32_surface extension");
return NE_FAIL;
}
ci.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR;
ci.hwnd = GetActiveWindow();
ci.hinstance = GetModuleHandle(NULL);
err = vkCreateWin32SurfaceKHR(vkgfx_instance, &ci, vkgfx_allocator, &vkgfx_surface);
if (err) {
log_entry(VK_WIN32_GFX_MODULE, LOG_CRITICAL,
"Failed to create Vulkan surface: %d", err);
return NE_FAIL;
}
return NE_OK;
}
LOGICAL swapChainPlatformConnect( struct SwapChain *swapChain,
xcb_connection_t *connection,
xcb_window_t *window )
#endif
{
VkResult result;
#if defined(_WIN32)
vl.surfaceCreateInfo.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR;
vl.surfaceCreateInfo.hinstance = handle;
vl.surfaceCreateInfo.hwnd = window;
result = vkCreateWin32SurfaceKHR( swapChain->instance,
&vl.surfaceCreateInfo,
NULL,
&swapChain->surface );
#elif defined(__ANDROID__)
vl.surfaceCreateInfo.sType = VK_STRUCTURE_TYPE_ANDROID_SURFACE_CREATE_INFO_KHR;
vl.surfaceCreateInfo.window = window;
result = vkCreateAndroidSurfaceKHR( swapChain->instance,
&surfaceCreateInfo,
NULL,
&swapChain->surface );
#else
vl.surfaceCreateInfo.sType = VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR;
vl.surfaceCreateInfo.connection = connection;
vl.surfaceCreateInfo.window = window;
result = vkCreateXcbSurfaceKHR( swapChain->instance,
&surfaceCreateInfo,
NULL,
&swapChain->surface );
#endif
return result == VK_SUCCESS;
}
bool create_surface(core::c_window *window) {
const core::s_window_info *window_sys_info = window->get_window_info();
#ifdef PLATFORM_WINDOWS
VkWin32SurfaceCreateInfoKHR surface_create_info = {
VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR, // VkStructureType sType
nullptr, // const void *pNext
0, // VkWin32SurfaceCreateFlagsKHR flags
window_sys_info->instance, // HINSTANCE hinstance
window_sys_info->handle // HWND hwnd
};
VK_VERIFY (vkCreateWin32SurfaceKHR(vk_globals::instance, &surface_create_info, nullptr, &(vk_globals::surface)));
#elif PLATFORM_LINUX
VkXcbSurfaceCreateInfoKHR surface_create_info = {
VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR, // VkStructureType sType
nullptr, // const void *pNext
0, // VkXcbSurfaceCreateFlagsKHR flags
window_sys_info->connection, // xcb_connection_t* connection
window_sys_info->handle // xcb_window_t window
};
VK_VERIFY (vkCreateXcbSurfaceKHR(vk_globals::instance, &surface_create_info, nullptr, &(vk_globals::surface)));
#endif
return true;
}
void VulkanWindow::InitializeSurface()
{
#if defined ( VK_USE_PLATFORM_WIN32_KHR )
VkWin32SurfaceCreateInfoKHR win32_surface_create_info_khr {};
win32_surface_create_info_khr.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR;
win32_surface_create_info_khr.hwnd = reinterpret_cast<HWND> ( mWindowId );
win32_surface_create_info_khr.hinstance = reinterpret_cast<HINSTANCE> ( GetWindowLongPtr ( win32_surface_create_info_khr.hwnd, GWLP_HINSTANCE ) );
if ( VkResult result = vkCreateWin32SurfaceKHR ( mVulkanRenderer.GetInstance(), &win32_surface_create_info_khr, nullptr, &mVkSurfaceKHR ) )
{
std::ostringstream stream;
stream << "Call to vkCreateWin32SurfaceKHR failed: ( " << GetVulkanResultString ( result ) << " )";
throw std::runtime_error ( stream.str().c_str() );
}
#elif defined( VK_USE_PLATFORM_XLIB_KHR )
VkXlibSurfaceCreateInfoKHR xlib_surface_create_info_khr {};
xlib_surface_create_info_khr.sType = VK_STRUCTURE_TYPE_XLIB_SURFACE_CREATE_INFO_KHR;
xlib_surface_create_info_khr.dpy = XOpenDisplay ( nullptr );
xlib_surface_create_info_khr.window = reinterpret_cast<::Window> ( mWindowId );
if ( VkResult result = vkCreateXlibSurfaceKHR ( mVulkanRenderer.GetInstance(), &xlib_surface_create_info_khr, nullptr, &mVkSurfaceKHR ) )
{
std::ostringstream stream;
stream << "Call to vkCreateXlibSurfaceKHR failed: ( " << GetVulkanResultString ( result ) << " )";
throw std::runtime_error ( stream.str().c_str() );
}
#endif
VkBool32 wsi_supported = false;
vkGetPhysicalDeviceSurfaceSupportKHR ( mVulkanRenderer.GetPhysicalDevice(), mVulkanRenderer.GetQueueFamilyIndex(), mVkSurfaceKHR, &wsi_supported );
if ( !wsi_supported )
{
std::ostringstream stream;
stream << "WSI not supported.";
throw std::runtime_error ( stream.str().c_str() );
}
}
bool findSupportedQueue()
{
std::cout << "looking for supported queue...";
vkGetPhysicalDeviceQueueFamilyProperties( gDevices[0], &gQueueCount, nullptr );
gQueueProps.resize( gQueueCount );
vkGetPhysicalDeviceQueueFamilyProperties( gDevices[0], &gQueueCount, gQueueProps.data() );
VkWin32SurfaceCreateInfoKHR createInfo = {};
createInfo.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR;
createInfo.pNext = nullptr;
createInfo.hinstance = ghInstance;
createInfo.hwnd = ghWnd;
createInfo.flags = 0;
gQueueInfo.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
gQueueInfo.pNext = nullptr;
gQueueInfo.queueCount = 1;
gQueueInfo.pQueuePriorities = gQueuePriorities;
VkResult res = vkCreateWin32SurfaceKHR( gInstance, &createInfo, nullptr, &gSurface );
if( res != VK_SUCCESS )
{
std::cout << "surface creating error " << res << std::endl;
return false;
}
gQueueFamilyIndex = -1;
for( u32 i = 0; i < gQueueCount; ++i )
{
if( gQueueProps[i].queueFlags & VK_QUEUE_GRAPHICS_BIT )
{
VkBool32 support = false;
vkGetPhysicalDeviceSurfaceSupportKHR( gDevices[0], i, gSurface, &support );
if( support == VK_TRUE )
{
gQueueFamilyIndex = i;
break;
}
}
}
if( gQueueFamilyIndex == -1 )
{
std::cout << "supported queue not found\n" << std::endl;
return false;
}
gQueueInfo.queueFamilyIndex = gQueueFamilyIndex;
std::cout << "found\n";
return true;
}
void initPlatformSpecificSurface()
{
VkWin32SurfaceCreateInfoKHR surfaceCreateInfo {};
surfaceCreateInfo.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR;
surfaceCreateInfo.pNext = nullptr;
surfaceCreateInfo.flags = 0;
surfaceCreateInfo.hinstance = hGlobalInstance;
surfaceCreateInfo.hwnd = hWindow;
VkResult result = vkCreateWin32SurfaceKHR(renderer->getVulkanInstance(), &surfaceCreateInfo, nullptr, &surface);
CHECK_ERROR(result);
}
void SwapChain::InitSurface(void * WindowHandle)
{
#if K3DPLATFORM_OS_WIN
VkWin32SurfaceCreateInfoKHR SurfaceCreateInfo = {};
SurfaceCreateInfo.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR;
SurfaceCreateInfo.hinstance = GetModuleHandle(nullptr);
SurfaceCreateInfo.hwnd = (HWND)WindowHandle;
K3D_VK_VERIFY(vkCreateWin32SurfaceKHR(RHIRoot::GetInstance(), &SurfaceCreateInfo, nullptr, &m_Surface));
#elif K3DPLATFORM_OS_ANDROID
VkAndroidSurfaceCreateInfoKHR SurfaceCreateInfo = {};
SurfaceCreateInfo.sType = VK_STRUCTURE_TYPE_ANDROID_SURFACE_CREATE_INFO_KHR;
SurfaceCreateInfo.window = (ANativeWindow*)WindowHandle;
K3D_VK_VERIFY(vkCreateAndroidSurfaceKHR(RHIRoot::GetInstance(), &SurfaceCreateInfo, nullptr, &m_Surface));
#endif
}
bool VulkanCommon::CreatePresentationSurface() {
#if defined(VK_USE_PLATFORM_WIN32_KHR)
VkWin32SurfaceCreateInfoKHR surface_create_info = {
VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR, // VkStructureType sType
nullptr, // const void *pNext
0, // VkWin32SurfaceCreateFlagsKHR flags
Window.Instance, // HINSTANCE hinstance
Window.Handle // HWND hwnd
};
if( vkCreateWin32SurfaceKHR( Vulkan.Instance, &surface_create_info, nullptr, &Vulkan.PresentationSurface ) == VK_SUCCESS ) {
return true;
}
#elif defined(VK_USE_PLATFORM_XCB_KHR)
VkXcbSurfaceCreateInfoKHR surface_create_info = {
VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR, // VkStructureType sType
nullptr, // const void *pNext
0, // VkXcbSurfaceCreateFlagsKHR flags
Window.Connection, // xcb_connection_t* connection
Window.Handle // xcb_window_t window
};
if( vkCreateXcbSurfaceKHR( Vulkan.Instance, &surface_create_info, nullptr, &Vulkan.PresentationSurface ) == VK_SUCCESS ) {
return true;
}
#elif defined(VK_USE_PLATFORM_XLIB_KHR)
VkXlibSurfaceCreateInfoKHR surface_create_info = {
VK_STRUCTURE_TYPE_XLIB_SURFACE_CREATE_INFO_KHR, // VkStructureType sType
nullptr, // const void *pNext
0, // VkXlibSurfaceCreateFlagsKHR flags
Window.DisplayPtr, // Display *dpy
Window.Handle // Window window
};
if( vkCreateXlibSurfaceKHR( Vulkan.Instance, &surface_create_info, nullptr, &Vulkan.PresentationSurface ) == VK_SUCCESS ) {
return true;
}
#endif
std::cout << "Could not create presentation surface!" << std::endl;
return false;
}
SDL_bool WIN_Vulkan_CreateSurface(_THIS,
SDL_Window *window,
VkInstance instance,
VkSurfaceKHR *surface)
{
SDL_WindowData *windowData = (SDL_WindowData *)window->driverdata;
PFN_vkGetInstanceProcAddr vkGetInstanceProcAddr =
(PFN_vkGetInstanceProcAddr)_this->vulkan_config.vkGetInstanceProcAddr;
PFN_vkCreateWin32SurfaceKHR vkCreateWin32SurfaceKHR =
(PFN_vkCreateWin32SurfaceKHR)vkGetInstanceProcAddr(
(VkInstance)instance,
"vkCreateWin32SurfaceKHR");
VkWin32SurfaceCreateInfoKHR createInfo;
VkResult result;
if(!_this->vulkan_config.loader_handle)
{
SDL_SetError("Vulkan is not loaded");
return SDL_FALSE;
}
if(!vkCreateWin32SurfaceKHR)
{
SDL_SetError(VK_KHR_WIN32_SURFACE_EXTENSION_NAME
" extension is not enabled in the Vulkan instance.");
return SDL_FALSE;
}
createInfo.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR;
createInfo.pNext = NULL;
createInfo.flags = 0;
createInfo.hinstance = windowData->hinstance;
createInfo.hwnd = windowData->hwnd;
result = vkCreateWin32SurfaceKHR(instance, &createInfo,
NULL, surface);
if(result != VK_SUCCESS)
{
SDL_SetError("vkCreateWin32SurfaceKHR failed: %s",
SDL_Vulkan_GetResultString(result));
return SDL_FALSE;
}
return SDL_TRUE;
}
int vlc_vk_CreateSurface(vlc_vk_t *vk)
{
VkInstance vkinst = vk->instance->instance;
// Get current win32 HINSTANCE
HINSTANCE hInst = GetModuleHandle(NULL);
VkWin32SurfaceCreateInfoKHR winfo = {
.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR,
.hinstance = hInst,
.hwnd = (HWND) vk->window->handle.hwnd,
};
VkResult res = vkCreateWin32SurfaceKHR(vkinst, &winfo, NULL, &vk->surface);
if (res != VK_SUCCESS) {
msg_Err(vk, "Failed creating Win32 surface");
return VLC_EGENERIC;
}
return VLC_SUCCESS;
}
VkSurfaceKHR VKTS_APIENTRY _wsiSurfaceCreate(const VkInstance instance, VKTS_NATIVE_DISPLAY nativeDisplay, VKTS_NATIVE_WINDOW nativeWindow)
{
if (!instance)
{
return VK_NULL_HANDLE;
}
//
VkResult result;
VkSurfaceKHR surface;
if (g_hasWin32)
{
VkWin32SurfaceCreateInfoKHR win32SurfaceCreateInfoKHR;
memset(&win32SurfaceCreateInfoKHR, 0, sizeof(VkWin32SurfaceCreateInfoKHR));
win32SurfaceCreateInfoKHR.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR;
win32SurfaceCreateInfoKHR.flags = 0;
win32SurfaceCreateInfoKHR.hinstance = nativeDisplay;
win32SurfaceCreateInfoKHR.hwnd = nativeWindow;
result = vkCreateWin32SurfaceKHR(instance, &win32SurfaceCreateInfoKHR, nullptr, &surface);
if (result != VK_SUCCESS)
{
return VK_NULL_HANDLE;
}
return surface;
}
return VK_NULL_HANDLE;
}
VkSurfaceKHR NewSurface(VkInstance vkInstance, const WindowInfo* window)
{
VkResult error;
VkSurfaceKHR surface;
VkWin32SurfaceCreateInfoKHR surfaceCreateInfo = {};
surfaceCreateInfo.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR;
surfaceCreateInfo.hinstance = window->exeHandle;
surfaceCreateInfo.hwnd = window->windowHandle;
error = vkCreateWin32SurfaceKHR(vkInstance,
&surfaceCreateInfo,
nullptr,
&surface);
Assert(error, "could not create windows surface");
//get function pointers after creating instance of vulkan
GET_VULKAN_FUNCTION_POINTER_INST(vkInstance, GetPhysicalDeviceSurfaceSupportKHR);
GET_VULKAN_FUNCTION_POINTER_INST(vkInstance, GetPhysicalDeviceSurfaceCapabilitiesKHR);
GET_VULKAN_FUNCTION_POINTER_INST(vkInstance, GetPhysicalDeviceSurfaceFormatsKHR);
GET_VULKAN_FUNCTION_POINTER_INST(vkInstance, GetPhysicalDeviceSurfacePresentModesKHR);
return surface;
}
Error GrManagerImpl::initSurface(const GrManagerInitInfo& init)
{
SDL_SysWMinfo wminfo;
SDL_VERSION(&wminfo.version);
if(!SDL_GetWindowWMInfo(init.m_window->getNative().m_window, &wminfo))
{
ANKI_LOGE("SDL_GetWindowWMInfo() failed");
return ErrorCode::NONE;
}
#if ANKI_OS == ANKI_OS_LINUX
VkXcbSurfaceCreateInfoKHR ci = {};
ci.sType = VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR;
ci.connection = XGetXCBConnection(wminfo.info.x11.display);
ci.window = wminfo.info.x11.window;
ANKI_VK_CHECK(vkCreateXcbSurfaceKHR(m_instance, &ci, nullptr, &m_surface));
#elif ANKI_OS == ANKI_OS_WINDOWS
Array<TCHAR, 512> className;
GetClassName(wminfo.info.win.window, &className[0], className.getSize());
WNDCLASS wce = {};
GetClassInfo(GetModuleHandle(NULL), &className[0], &wce);
VkWin32SurfaceCreateInfoKHR ci = {};
ci.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR;
ci.hinstance = wce.hInstance;
ci.hwnd = wminfo.info.win.window;
ANKI_VK_CHECK(vkCreateWin32SurfaceKHR(m_instance, &ci, nullptr, &m_surface));
#else
#error TODO
#endif
return ErrorCode::NONE;
}
int main(int argc, char *argv[]) {
VkResult U_ASSERT_ONLY res;
struct sample_info info = {};
char sample_title[] = "Swapchain Initialization Sample";
/*
* Set up swapchain:
* - Get supported uses for all queues
* - Try to find a queue that supports both graphics and present
* - If no queue supports both, find a present queue and make sure we have a
* graphics queue
* - Get a list of supported formats and use the first one
* - Get surface properties and present modes and use them to create a swap
* chain
* - Create swap chain buffers
* - For each buffer, create a color attachment view and set its layout to
* color attachment
*/
init_global_layer_properties(info);
init_instance_extension_names(info);
init_device_extension_names(info);
init_instance(info, sample_title);
init_enumerate_device(info);
init_connection(info);
init_window_size(info, 50, 50);
init_window(info);
/* VULKAN_KEY_START */
// Construct the surface description:
#ifdef _WIN32
VkWin32SurfaceCreateInfoKHR createInfo = {};
createInfo.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR;
createInfo.pNext = NULL;
createInfo.hinstance = info.connection;
createInfo.hwnd = info.window;
res = vkCreateWin32SurfaceKHR(info.inst, &createInfo, NULL, &info.surface);
#else // _WIN32
VkXcbSurfaceCreateInfoKHR createInfo = {};
createInfo.sType = VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR;
createInfo.pNext = NULL;
createInfo.connection = info.connection;
createInfo.window = info.window;
res = vkCreateXcbSurfaceKHR(info.inst, &createInfo, NULL, &info.surface);
#endif // _WIN32
assert(res == VK_SUCCESS);
// Iterate over each queue to learn whether it supports presenting:
VkBool32 *supportsPresent =
(VkBool32 *)malloc(info.queue_count * sizeof(VkBool32));
for (uint32_t i = 0; i < info.queue_count; i++) {
vkGetPhysicalDeviceSurfaceSupportKHR(info.gpus[0], i, info.surface,
&supportsPresent[i]);
}
// Search for a graphics queue and a present queue in the array of queue
// families, try to find one that supports both
uint32_t graphicsQueueNodeIndex = UINT32_MAX;
for (uint32_t i = 0; i < info.queue_count; i++) {
if ((info.queue_props[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) != 0) {
if (supportsPresent[i] == VK_TRUE) {
graphicsQueueNodeIndex = i;
break;
}
}
}
free(supportsPresent);
// Generate error if could not find a queue that supports both a graphics
// and present
if (graphicsQueueNodeIndex == UINT32_MAX) {
std::cout << "Could not find a queue that supports both graphics and "
"present\n";
exit(-1);
}
info.graphics_queue_family_index = graphicsQueueNodeIndex;
init_device(info);
// Get the list of VkFormats that are supported:
uint32_t formatCount;
res = vkGetPhysicalDeviceSurfaceFormatsKHR(info.gpus[0], info.surface,
&formatCount, NULL);
assert(res == VK_SUCCESS);
VkSurfaceFormatKHR *surfFormats =
(VkSurfaceFormatKHR *)malloc(formatCount * sizeof(VkSurfaceFormatKHR));
res = vkGetPhysicalDeviceSurfaceFormatsKHR(info.gpus[0], info.surface,
&formatCount, surfFormats);
assert(res == VK_SUCCESS);
// If the format list includes just one entry of VK_FORMAT_UNDEFINED,
// the surface has no preferred format. Otherwise, at least one
// supported format will be returned.
if (formatCount == 1 && surfFormats[0].format == VK_FORMAT_UNDEFINED) {
info.format = VK_FORMAT_B8G8R8A8_UNORM;
} else {
assert(formatCount >= 1);
info.format = surfFormats[0].format;
}
VkSurfaceCapabilitiesKHR surfCapabilities;
res = vkGetPhysicalDeviceSurfaceCapabilitiesKHR(info.gpus[0], info.surface,
&surfCapabilities);
assert(res == VK_SUCCESS);
uint32_t presentModeCount;
res = vkGetPhysicalDeviceSurfacePresentModesKHR(info.gpus[0], info.surface,
&presentModeCount, NULL);
assert(res == VK_SUCCESS);
VkPresentModeKHR *presentModes =
(VkPresentModeKHR *)malloc(presentModeCount * sizeof(VkPresentModeKHR));
res = vkGetPhysicalDeviceSurfacePresentModesKHR(
info.gpus[0], info.surface, &presentModeCount, presentModes);
assert(res == VK_SUCCESS);
VkExtent2D swapChainExtent;
// width and height are either both -1, or both not -1.
if (surfCapabilities.currentExtent.width == (uint32_t)-1) {
// If the surface size is undefined, the size is set to
// the size of the images requested.
swapChainExtent.width = info.width;
swapChainExtent.height = info.height;
} else {
// If the surface size is defined, the swap chain size must match
swapChainExtent = surfCapabilities.currentExtent;
}
// If mailbox mode is available, use it, as is the lowest-latency non-
// tearing mode. If not, try IMMEDIATE which will usually be available,
// and is fastest (though it tears). If not, fall back to FIFO which is
// always available.
VkPresentModeKHR swapchainPresentMode = VK_PRESENT_MODE_FIFO_KHR;
for (size_t i = 0; i < presentModeCount; i++) {
if (presentModes[i] == VK_PRESENT_MODE_MAILBOX_KHR) {
swapchainPresentMode = VK_PRESENT_MODE_MAILBOX_KHR;
break;
}
if ((swapchainPresentMode != VK_PRESENT_MODE_MAILBOX_KHR) &&
(presentModes[i] == VK_PRESENT_MODE_IMMEDIATE_KHR)) {
swapchainPresentMode = VK_PRESENT_MODE_IMMEDIATE_KHR;
}
}
// Determine the number of VkImage's to use in the swap chain (we desire to
// own only 1 image at a time, besides the images being displayed and
// queued for display):
uint32_t desiredNumberOfSwapChainImages =
surfCapabilities.minImageCount + 1;
if ((surfCapabilities.maxImageCount > 0) &&
(desiredNumberOfSwapChainImages > surfCapabilities.maxImageCount)) {
// Application must settle for fewer images than desired:
desiredNumberOfSwapChainImages = surfCapabilities.maxImageCount;
}
VkSurfaceTransformFlagBitsKHR preTransform;
if (surfCapabilities.supportedTransforms &
VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR) {
preTransform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
} else {
preTransform = surfCapabilities.currentTransform;
}
VkSwapchainCreateInfoKHR swap_chain = {};
swap_chain.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
swap_chain.pNext = NULL;
swap_chain.surface = info.surface;
swap_chain.minImageCount = desiredNumberOfSwapChainImages;
swap_chain.imageFormat = info.format;
swap_chain.imageExtent.width = swapChainExtent.width;
swap_chain.imageExtent.height = swapChainExtent.height;
swap_chain.preTransform = preTransform;
swap_chain.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
swap_chain.imageArrayLayers = 1;
swap_chain.presentMode = swapchainPresentMode;
swap_chain.oldSwapchain = NULL;
swap_chain.clipped = true;
swap_chain.imageColorSpace = VK_COLORSPACE_SRGB_NONLINEAR_KHR;
swap_chain.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
swap_chain.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
swap_chain.queueFamilyIndexCount = 0;
swap_chain.pQueueFamilyIndices = NULL;
res =
vkCreateSwapchainKHR(info.device, &swap_chain, NULL, &info.swap_chain);
assert(res == VK_SUCCESS);
res = vkGetSwapchainImagesKHR(info.device, info.swap_chain,
&info.swapchainImageCount, NULL);
assert(res == VK_SUCCESS);
VkImage *swapchainImages =
(VkImage *)malloc(info.swapchainImageCount * sizeof(VkImage));
assert(swapchainImages);
res = vkGetSwapchainImagesKHR(info.device, info.swap_chain,
&info.swapchainImageCount, swapchainImages);
assert(res == VK_SUCCESS);
info.buffers.resize(info.swapchainImageCount);
// Going to need a command buffer to send the memory barriers in
// set_image_layout but we couldn't have created one before we knew
// what our graphics_queue_family_index is, but now that we have it,
// create the command buffer
init_command_pool(info);
init_command_buffer(info);
execute_begin_command_buffer(info);
vkGetDeviceQueue(info.device, info.graphics_queue_family_index, 0,
&info.queue);
for (uint32_t i = 0; i < info.swapchainImageCount; i++) {
VkImageViewCreateInfo color_image_view = {};
color_image_view.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
color_image_view.pNext = NULL;
color_image_view.format = info.format;
color_image_view.components.r = VK_COMPONENT_SWIZZLE_R;
color_image_view.components.g = VK_COMPONENT_SWIZZLE_G;
color_image_view.components.b = VK_COMPONENT_SWIZZLE_B;
color_image_view.components.a = VK_COMPONENT_SWIZZLE_A;
color_image_view.subresourceRange.aspectMask =
VK_IMAGE_ASPECT_COLOR_BIT;
color_image_view.subresourceRange.baseMipLevel = 0;
color_image_view.subresourceRange.levelCount = 1;
color_image_view.subresourceRange.baseArrayLayer = 0;
color_image_view.subresourceRange.layerCount = 1;
color_image_view.viewType = VK_IMAGE_VIEW_TYPE_2D;
color_image_view.flags = 0;
info.buffers[i].image = swapchainImages[i];
set_image_layout(info, info.buffers[i].image, VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_UNDEFINED,
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL);
color_image_view.image = info.buffers[i].image;
res = vkCreateImageView(info.device, &color_image_view, NULL,
&info.buffers[i].view);
assert(res == VK_SUCCESS);
}
free(swapchainImages);
execute_end_command_buffer(info);
execute_queue_command_buffer(info);
/* VULKAN_KEY_END */
/* Clean Up */
VkCommandBuffer cmd_bufs[1] = {info.cmd};
vkFreeCommandBuffers(info.device, info.cmd_pool, 1, cmd_bufs);
vkDestroyCommandPool(info.device, info.cmd_pool, NULL);
for (uint32_t i = 0; i < info.swapchainImageCount; i++) {
vkDestroyImageView(info.device, info.buffers[i].view, NULL);
}
vkDestroySwapchainKHR(info.device, info.swap_chain, NULL);
destroy_device(info);
destroy_window(info);
destroy_instance(info);
return 0;
}
_agpu_swap_chain *_agpu_swap_chain::create(agpu_device *device, agpu_command_queue* graphicsCommandQueue, agpu_swap_chain_create_info *createInfo)
{
VkSurfaceKHR surface = VK_NULL_HANDLE;
if (!graphicsCommandQueue || !createInfo)
return nullptr;
#if defined(_WIN32)
if (!createInfo->window)
return nullptr;
VkWin32SurfaceCreateInfoKHR surfaceCreateInfo;
memset(&surfaceCreateInfo, 0, sizeof(surfaceCreateInfo));
surfaceCreateInfo.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR;
surfaceCreateInfo.hinstance = GetModuleHandle(nullptr);
surfaceCreateInfo.hwnd = (HWND)createInfo->window;
auto error = vkCreateWin32SurfaceKHR(device->vulkanInstance, &surfaceCreateInfo, nullptr, &surface);
#elif defined(__unix__)
if(!device->displayHandle)
device->displayHandle = XOpenDisplay(nullptr);
if (!createInfo->window)
return nullptr;
VkXcbSurfaceCreateInfoKHR surfaceCreateInfo;
memset(&surfaceCreateInfo, 0, sizeof(surfaceCreateInfo));
surfaceCreateInfo.sType = VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR;
surfaceCreateInfo.connection = XGetXCBConnection((Display*)device->displayHandle);
surfaceCreateInfo.window = (xcb_window_t)(uintptr_t)createInfo->window;
auto error = vkCreateXcbSurfaceKHR(device->vulkanInstance, &surfaceCreateInfo, nullptr, &surface);
#else
#error unsupported platform
#endif
if (error)
{
printError("Failed to create the swap chain surface\n");
return nullptr;
}
agpu_command_queue *presentationQueue = graphicsCommandQueue;
if (!graphicsCommandQueue->supportsPresentingSurface(surface))
{
// TODO: Find a presentation queue.
vkDestroySurfaceKHR(device->vulkanInstance, surface, nullptr);
printError("Surface presentation in different queue is not yet supported.\n");
return nullptr;
}
uint32_t formatCount = 0;
error = device->fpGetPhysicalDeviceSurfaceFormatsKHR(device->physicalDevice, surface, &formatCount, nullptr);
if (error)
{
vkDestroySurfaceKHR(device->vulkanInstance, surface, nullptr);
return nullptr;
}
std::vector<VkSurfaceFormatKHR> surfaceFormats(formatCount);
error = device->fpGetPhysicalDeviceSurfaceFormatsKHR(device->physicalDevice, surface, &formatCount, &surfaceFormats[0]);
if (error)
{
vkDestroySurfaceKHR(device->vulkanInstance, surface, nullptr);
return nullptr;
}
// Create the swap chain object.
auto swapChain = new agpu_swap_chain(device);
swapChain->surface = surface;
swapChain->graphicsQueue = graphicsCommandQueue;
swapChain->presentationQueue = presentationQueue;
graphicsCommandQueue->retain();
presentationQueue->retain();
// Set the format.
agpu_texture_format actualFormat = createInfo->colorbuffer_format;
if (formatCount == 1 && surfaceFormats[0].format == VK_FORMAT_UNDEFINED)
{
swapChain->format = mapTextureFormat(createInfo->colorbuffer_format);
if (swapChain->format == VK_FORMAT_UNDEFINED)
{
swapChain->format = VK_FORMAT_B8G8R8A8_UNORM;
actualFormat = AGPU_TEXTURE_FORMAT_B8G8R8A8_UNORM;
}
swapChain->colorSpace = surfaceFormats[0].colorSpace;
}
else
{
assert(formatCount >= 1);
// Start selecting the first format.
swapChain->format = surfaceFormats[0].format;
swapChain->colorSpace = surfaceFormats[0].colorSpace;
actualFormat = AGPU_TEXTURE_FORMAT_B8G8R8A8_UNORM;
if(swapChain->format == VK_FORMAT_B8G8R8A8_SRGB)
actualFormat = AGPU_TEXTURE_FORMAT_B8G8R8A8_UNORM_SRGB;
// Try to select the expected format.
auto wantedFormat = mapTextureFormat(createInfo->colorbuffer_format);
for(size_t i = 0; i < formatCount; ++i)
{
auto &format = surfaceFormats[i];
if(format.format == wantedFormat)
{
swapChain->format = format.format;
swapChain->colorSpace = format.colorSpace;
actualFormat = createInfo->colorbuffer_format;
break;
}
}
}
swapChain->agpuFormat = actualFormat;
// Initialize the rest of the swap chain.
if (!swapChain->initialize(createInfo))
{
swapChain->release();
return nullptr;
}
return swapChain;
}
void VulkanContext::ReinitSurface(int width, int height) {
if (surface_ != VK_NULL_HANDLE) {
ILOG("Destroying Vulkan surface (%d, %d)", width_, height_);
vkDestroySurfaceKHR(instance_, surface_, nullptr);
surface_ = VK_NULL_HANDLE;
}
ILOG("Creating Vulkan surface (%d, %d)", width, height);
switch (winsys_) {
#ifdef _WIN32
case WINDOWSYSTEM_WIN32:
{
HINSTANCE connection = (HINSTANCE)winsysData1_;
HWND window = (HWND)winsysData2_;
RECT rc;
GetClientRect(window, &rc);
width = rc.right - rc.left;
height = rc.bottom - rc.top;
VkWin32SurfaceCreateInfoKHR win32{ VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR };
win32.flags = 0;
win32.hwnd = window;
win32.hinstance = connection;
VkResult res = vkCreateWin32SurfaceKHR(instance_, &win32, nullptr, &surface_);
assert(res == VK_SUCCESS);
break;
}
#endif
#if defined(__ANDROID__)
case WINDOWSYSTEM_ANDROID:
{
ANativeWindow *wnd = (ANativeWindow *)winsysData1_;
VkAndroidSurfaceCreateInfoKHR android{ VK_STRUCTURE_TYPE_ANDROID_SURFACE_CREATE_INFO_KHR };
android.flags = 0;
android.window = wnd;
VkResult res = vkCreateAndroidSurfaceKHR(instance_, &android, nullptr, &surface_);
assert(res == VK_SUCCESS);
break;
}
#endif
#if defined(VK_USE_PLATFORM_XLIB_KHR)
case WINDOWSYSTEM_XLIB:
{
VkXlibSurfaceCreateInfoKHR xlib = { VK_STRUCTURE_TYPE_XLIB_SURFACE_CREATE_INFO_KHR };
xlib.flags = 0;
xlib.dpy = (Display *)winsysData1_;
xlib.window = (Window)winsysData2_;
VkResult res = vkCreateXlibSurfaceKHR(instance_, &xlib, nullptr, &surface_);
assert(res == VK_SUCCESS);
break;
}
#endif
#if defined(VK_USE_PLATFORM_XCB_KHR)
case WINDOWSYSTEM_XCB:
{
VkXCBSurfaceCreateInfoKHR xcb = { VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR };
xcb.flags = 0;
xcb.connection = (Connection *)winsysData1_;
xcb.window = (Window)(uintptr_t)winsysData2_;
VkResult res = vkCreateXcbSurfaceKHR(instance_, &xcb, nullptr, &surface_);
assert(res == VK_SUCCESS);
break;
}
#endif
#if defined(VK_USE_PLATFORM_WAYLAND_KHR)
case WINDOWSYSTEM_WAYLAND:
{
VkWaylandSurfaceCreateInfoKHR wayland = { VK_STRUCTURE_TYPE_WAYLAND_SURFACE_CREATE_INFO_KHR };
wayland.flags = 0;
wayland.display = (wl_display *)winsysData1_;
wayland.surface = (wl_surface *)winsysData2_;
VkResult res = vkCreateWaylandSurfaceKHR(instance_, &wayland, nullptr, &surface_);
assert(res == VK_SUCCESS);
break;
}
#endif
default:
_assert_msg_(G3D, false, "Vulkan support for chosen window system not implemented");
break;
}
width_ = width;
height_ = height;
}
bool VulkanDevice::Init(VulkanInstance * vulkanInstance, HWND hwnd)
{
VkResult result;
// GPU
uint32_t numGPUs = 0;
vkEnumeratePhysicalDevices(vulkanInstance->GetInstance(), &numGPUs, VK_NULL_HANDLE);
if (numGPUs == 0)
{
gLogManager->AddMessage("ERROR: No GPUs found!");
return false;
}
std::vector<VkPhysicalDevice> pGPUs(numGPUs);
vkEnumeratePhysicalDevices(vulkanInstance->GetInstance(), &numGPUs, pGPUs.data());
gpu = pGPUs[0];
vkGetPhysicalDeviceProperties(gpu, &gpuProperties);
vkGetPhysicalDeviceMemoryProperties(gpu, &memoryProperties);
gLogManager->AddMessage("Rendering with: " + std::string(gpuProperties.deviceName));
// Queue family
uint32_t numQueueFamily = 0;
vkGetPhysicalDeviceQueueFamilyProperties(gpu, &numQueueFamily, VK_NULL_HANDLE);
if (numQueueFamily == 0)
{
gLogManager->AddMessage("ERROR: No Queue Families were found!");
return false;
}
queueFamiliyProperties.resize(numQueueFamily);
vkGetPhysicalDeviceQueueFamilyProperties(gpu, &numQueueFamily, queueFamiliyProperties.data());
// Surface
VkWin32SurfaceCreateInfoKHR win32SurfaceCI{};
win32SurfaceCI.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR;
win32SurfaceCI.hinstance = GetModuleHandle(NULL);
win32SurfaceCI.hwnd = hwnd;
result = vkCreateWin32SurfaceKHR(vulkanInstance->GetInstance(), &win32SurfaceCI, VK_NULL_HANDLE, &surface);
if (result != VK_SUCCESS)
{
gLogManager->AddMessage("ERROR: Couldn't create Win32 Surface!");
return false;
}
VkBool32 * supportsPresent = new VkBool32[queueFamiliyProperties.size()];
for (uint32_t i = 0; i < queueFamiliyProperties.size(); i++)
vkGetPhysicalDeviceSurfaceSupportKHR(gpu, i, surface, &supportsPresent[i]);
graphicsQueueFamilyIndex = UINT32_MAX;
for (uint32_t i = 0; i < queueFamiliyProperties.size(); i++)
{
if ((queueFamiliyProperties[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) != 0)
{
if (supportsPresent[i] == VK_TRUE)
{
graphicsQueueFamilyIndex = i;
break;
}
}
}
delete[] supportsPresent;
if (graphicsQueueFamilyIndex == UINT32_MAX)
{
gLogManager->AddMessage("ERROR: Couldn't find a graphics queue family index!");
return false;
}
uint32_t numFormats;
result = vkGetPhysicalDeviceSurfaceFormatsKHR(gpu, surface, &numFormats, VK_NULL_HANDLE);
if (result != VK_SUCCESS)
{
gLogManager->AddMessage("ERROR: Couldn't get surface formats!");
return false;
}
VkSurfaceFormatKHR * pSurfaceFormats = new VkSurfaceFormatKHR[numFormats];
result = vkGetPhysicalDeviceSurfaceFormatsKHR(gpu, surface, &numFormats, pSurfaceFormats);
if (numFormats == 1 && pSurfaceFormats[0].format == VK_FORMAT_UNDEFINED)
format = VK_FORMAT_B8G8R8A8_UNORM;
else
format = pSurfaceFormats[0].format;
// Device queue
float pQueuePriorities[] = { 1.0f };
VkDeviceQueueCreateInfo deviceQueueCI{};
deviceQueueCI.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
deviceQueueCI.queueCount = 1;
deviceQueueCI.queueFamilyIndex = graphicsQueueFamilyIndex;
deviceQueueCI.pQueuePriorities = pQueuePriorities;
VkPhysicalDeviceFeatures deviceFeatures{};
deviceFeatures.shaderClipDistance = VK_TRUE;
deviceFeatures.shaderCullDistance = VK_TRUE;
deviceFeatures.geometryShader = VK_TRUE;
deviceFeatures.shaderTessellationAndGeometryPointSize = VK_TRUE;
deviceFeatures.fillModeNonSolid = VK_TRUE;
// Device
VkDeviceCreateInfo deviceCI{};
deviceCI.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
deviceCI.queueCreateInfoCount = 1;
deviceCI.pQueueCreateInfos = &deviceQueueCI;
deviceCI.enabledExtensionCount = (uint32_t)deviceExtensions.size();
deviceCI.ppEnabledExtensionNames = deviceExtensions.data();
deviceCI.pEnabledFeatures = &deviceFeatures;
result = vkCreateDevice(gpu, &deviceCI, VK_NULL_HANDLE, &device);
if (result != VK_SUCCESS)
{
gLogManager->AddMessage("ERROR: vkCreateDevice() failed!");
return false;
}
vkGetDeviceQueue(device, graphicsQueueFamilyIndex, 0, &deviceQueue);
return true;
}
VkSurfaceKHR SwapChain::CreateVulkanSurface(VkInstance instance, void* hwnd)
{
#if defined(VK_USE_PLATFORM_WIN32_KHR)
VkWin32SurfaceCreateInfoKHR surface_create_info = {
VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR, // VkStructureType sType
nullptr, // const void* pNext
0, // VkWin32SurfaceCreateFlagsKHR flags
nullptr, // HINSTANCE hinstance
reinterpret_cast<HWND>(hwnd) // HWND hwnd
};
VkSurfaceKHR surface;
VkResult res = vkCreateWin32SurfaceKHR(instance, &surface_create_info, nullptr, &surface);
if (res != VK_SUCCESS)
{
LOG_VULKAN_ERROR(res, "vkCreateWin32SurfaceKHR failed: ");
return VK_NULL_HANDLE;
}
return surface;
#elif defined(VK_USE_PLATFORM_XLIB_KHR)
// Assuming the display handles are compatible, or shared. This matches what we do in the
// GL backend, but it's not ideal.
Display* display = XOpenDisplay(nullptr);
VkXlibSurfaceCreateInfoKHR surface_create_info = {
VK_STRUCTURE_TYPE_XLIB_SURFACE_CREATE_INFO_KHR, // VkStructureType sType
nullptr, // const void* pNext
0, // VkXlibSurfaceCreateFlagsKHR flags
display, // Display* dpy
reinterpret_cast<Window>(hwnd) // Window window
};
VkSurfaceKHR surface;
VkResult res = vkCreateXlibSurfaceKHR(instance, &surface_create_info, nullptr, &surface);
if (res != VK_SUCCESS)
{
LOG_VULKAN_ERROR(res, "vkCreateXlibSurfaceKHR failed: ");
return VK_NULL_HANDLE;
}
return surface;
#elif defined(VK_USE_PLATFORM_XCB_KHR)
// If we ever switch to using xcb, we should pass the display handle as well.
Display* display = XOpenDisplay(nullptr);
xcb_connection_t* connection = XGetXCBConnection(display);
VkXcbSurfaceCreateInfoKHR surface_create_info = {
VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR, // VkStructureType sType
nullptr, // const void* pNext
0, // VkXcbSurfaceCreateFlagsKHR flags
connection, // xcb_connection_t* connection
static_cast<xcb_window_t>(reinterpret_cast<uintptr_t>(hwnd)) // xcb_window_t window
};
VkSurfaceKHR surface;
VkResult res = vkCreateXcbSurfaceKHR(instance, &surface_create_info, nullptr, &surface);
if (res != VK_SUCCESS)
{
LOG_VULKAN_ERROR(res, "vkCreateXcbSurfaceKHR failed: ");
return VK_NULL_HANDLE;
}
return surface;
#elif defined(VK_USE_PLATFORM_ANDROID_KHR)
VkAndroidSurfaceCreateInfoKHR surface_create_info = {
VK_STRUCTURE_TYPE_ANDROID_SURFACE_CREATE_INFO_KHR, // VkStructureType sType
nullptr, // const void* pNext
0, // VkAndroidSurfaceCreateFlagsKHR flags
reinterpret_cast<ANativeWindow*>(hwnd) // ANativeWindow* window
};
VkSurfaceKHR surface;
VkResult res = vkCreateAndroidSurfaceKHR(instance, &surface_create_info, nullptr, &surface);
if (res != VK_SUCCESS)
{
LOG_VULKAN_ERROR(res, "vkCreateAndroidSurfaceKHR failed: ");
return VK_NULL_HANDLE;
}
return surface;
#else
return VK_NULL_HANDLE;
#endif
}
int XdevLSwapChainVulkan::createSurface(IPXdevLWindow window) {
Display* display = static_cast<Display*>(window->getInternal(XdevLInternalName("X11_DISPLAY")));
if(nullptr == display) {
XDEVL_MODULEX_ERROR(XdevLSwapChainVulkan, "Could not get native X11 display information.\n");
return RET_FAILED;
}
Window x11window = (Window)(window->getInternal(XdevLInternalName("X11_WINDOW")));
if(None == x11window) {
XDEVL_MODULEX_ERROR(XdevLSwapChainVulkan, "Could not get native X11 window information.\n");
return RET_FAILED;
}
//
// Get the Surface extensions.
//
VkResult result;
#if defined(_WIN32)
VkWin32SurfaceCreateInfoKHR surfaceCreateInfo;
surfaceCreateInfo.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR;
surfaceCreateInfo.hinstance = (HINSTANCE)platformHandle; // provided by the platform code
surfaceCreateInfo.hwnd = (HWND)platformWindow; // provided by the platform code
result = vkCreateWin32SurfaceKHR(instance, &surfaceCreateInfo, nullptr, &m_surface);
#elif defined(__ANDROID__)
VkAndroidSurfaceCreateInfoKHR surfaceCreateInfo;
surfaceCreateInfo.sType = VK_STRUCTURE_TYPE_ANDROID_SURFACE_CREATE_INFO_KHR;
surfaceCreateInfo.window = window; // provided by the platform code
result = vkCreateAndroidSurfaceKHR(instance, &surfaceCreateInfo, nullptr, &m_surface);
#else
VkXcbSurfaceCreateInfoKHR surfaceCreateInfo = {
VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR,
nullptr,
0,
XGetXCBConnection(display),
(xcb_window_t)x11window
};
result = vkCreateXcbSurfaceKHR(m_instance, &surfaceCreateInfo, nullptr, &m_surface);
#endif
if(result != VK_SUCCESS) {
std::cerr << "Failed to create Vulkan surface: " << vkVkResultToString(result) << std::endl;
return 1;
}
uint32_t queueCount;
vkGetPhysicalDeviceQueueFamilyProperties(m_physicalDevice, &queueCount, nullptr);
std::vector<VkQueueFamilyProperties> queueProps(queueCount);
vkGetPhysicalDeviceQueueFamilyProperties(m_physicalDevice, &queueCount, queueProps.data());
// Will be used to present the swap chain images to the windowing system
std::vector<VkBool32> supportsPresent(queueCount);
for(uint32_t i = 0; i < queueCount; i++) {
fpGetPhysicalDeviceSurfaceSupportKHR(m_physicalDevice, i, m_surface, &supportsPresent[i]);
}
// Search for a graphics and a present queue in the array of queue
// families, try to find one that supports both
uint32_t graphicsQueueNodeIndex = UINT32_MAX;
uint32_t presentQueueNodeIndex = UINT32_MAX;
for(uint32_t i = 0; i < queueCount; i++) {
if((queueProps[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) != 0) {
if(graphicsQueueNodeIndex == UINT32_MAX) {
graphicsQueueNodeIndex = i;
}
if(supportsPresent[i] == VK_TRUE) {
graphicsQueueNodeIndex = i;
presentQueueNodeIndex = i;
break;
}
}
}
if(presentQueueNodeIndex == UINT32_MAX) {
// If there's no queue that supports both present and graphics
// try to find a separate present queue
for(uint32_t i = 0; i < queueCount; ++i) {
if(supportsPresent[i] == VK_TRUE) {
presentQueueNodeIndex = i;
break;
}
}
}
// Exit if either a graphics or a presenting queue hasn't been found
if(graphicsQueueNodeIndex == UINT32_MAX || presentQueueNodeIndex == UINT32_MAX) {
return 1;
}
// todo : Add support for separate graphics and presenting queue
if(graphicsQueueNodeIndex != presentQueueNodeIndex) {
return 1;
}
m_queueNodeIndex = graphicsQueueNodeIndex;
// Get list of supported surface formats
uint32_t formatCount;
result = vkGetPhysicalDeviceSurfaceFormatsKHR(m_physicalDevice, m_surface, &formatCount, nullptr);
if(VK_SUCCESS != result) {
std::cerr << "vkGetPhysicalDeviceSurfaceFormatsKHR failed: " << vkVkResultToString(result) << std::endl;
return 1;
}
assert(formatCount > 0);
std::vector<VkSurfaceFormatKHR> surfaceFormats(formatCount);
result = vkGetPhysicalDeviceSurfaceFormatsKHR(m_physicalDevice, m_surface, &formatCount, surfaceFormats.data());
assert(!result);
// If the surface format list only includes one entry with VK_FORMAT_UNDEFINED,
// there is no preferered format, so we assume VK_FORMAT_B8G8R8A8_UNORM
if((formatCount == 1) && (surfaceFormats[0].format == VK_FORMAT_UNDEFINED)) {
m_colorFormat = VK_FORMAT_B8G8R8A8_UNORM;
} else {
// Always select the first available color format
// If you need a specific format (e.g. SRGB) you'd need to
// iterate over the list of available surface format and
// check for it's presence
m_colorFormat = surfaceFormats[0].format;
}
m_colorSpace = surfaceFormats[0].colorSpace;
return 0;
}
//==============================================================================
// Vulkan初期化
//==============================================================================
bool initVulkan(HINSTANCE hinst, HWND wnd)
{
VkResult result;
//==================================================
// Vulkanのインスタンス作成
//==================================================
VkApplicationInfo applicationInfo = {};
applicationInfo.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
applicationInfo.pApplicationName = APPLICATION_NAME;
applicationInfo.pEngineName = APPLICATION_NAME;
applicationInfo.apiVersion = VK_MAKE_VERSION(1, 0, 0);
std::vector<LPCSTR> enabledExtensionsByInstance = { VK_KHR_SURFACE_EXTENSION_NAME, VK_KHR_WIN32_SURFACE_EXTENSION_NAME };
VkInstanceCreateInfo instanceCreateInfo = {};
instanceCreateInfo.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
instanceCreateInfo.pNext = nullptr;
instanceCreateInfo.pApplicationInfo = &applicationInfo;
if(enabledExtensionsByInstance.empty() == false)
{
instanceCreateInfo.enabledExtensionCount = enabledExtensionsByInstance.size();
instanceCreateInfo.ppEnabledExtensionNames = enabledExtensionsByInstance.data();
}
result = vkCreateInstance(&instanceCreateInfo, nullptr, &g_VulkanInstance);
checkVulkanError(result, TEXT("Vulkanインスタンス作成失敗"));
//==================================================
// 物理デバイス(GPUデバイス)
//==================================================
// 物理デバイス数を獲得
uint32_t gpuCount = 0;
vkEnumeratePhysicalDevices(g_VulkanInstance, &gpuCount, nullptr);
assert(gpuCount > 0 && TEXT("物理デバイス数の獲得失敗"));
// 物理デバイス数を列挙
std::vector<VkPhysicalDevice> physicalDevices(gpuCount);
result = vkEnumeratePhysicalDevices(g_VulkanInstance, &gpuCount, physicalDevices.data());
checkVulkanError(result, TEXT("物理デバイスの列挙に失敗しました"));
// すべてのGPU情報を格納
g_GPUs.resize(gpuCount);
for(uint32_t i = 0; i < gpuCount; ++i)
{
g_GPUs[i].device = physicalDevices[i];
// 物理デバイスのプロパティ獲得
vkGetPhysicalDeviceProperties(g_GPUs[i].device, &g_GPUs[i].deviceProperties);
// 物理デバイスのメモリプロパティ獲得
vkGetPhysicalDeviceMemoryProperties(g_GPUs[i].device, &g_GPUs[i].deviceMemoryProperties);
}
// ※このサンプルでは最初に列挙されたGPUデバイスを使用する
g_currentGPU = g_GPUs[0];
// グラフィックス操作をサポートするキューを検索
uint32_t queueCount;
vkGetPhysicalDeviceQueueFamilyProperties(g_currentGPU.device, &queueCount, nullptr);
assert(queueCount >= 1 && TEXT("物理デバイスキューの検索失敗"));
std::vector<VkQueueFamilyProperties> queueProps;
queueProps.resize(queueCount);
vkGetPhysicalDeviceQueueFamilyProperties(g_currentGPU.device, &queueCount, queueProps.data());
uint32_t graphicsQueueIndex = 0;
for(graphicsQueueIndex = 0; graphicsQueueIndex < queueCount; ++graphicsQueueIndex)
{
if(queueProps[graphicsQueueIndex].queueFlags & VK_QUEUE_GRAPHICS_BIT)
{
break;
}
}
assert(graphicsQueueIndex < queueCount && TEXT("グラフィックスをサポートするキューを見つけられませんでした"));
//==================================================
// Vulkanデバイス作成
//==================================================
float queuePrioritie = 0.0f;
VkDeviceQueueCreateInfo queueCreateInfo = {};
queueCreateInfo.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
queueCreateInfo.queueFamilyIndex = graphicsQueueIndex;
queueCreateInfo.queueCount = 1;
queueCreateInfo.pQueuePriorities = &queuePrioritie;
std::vector<LPCSTR> enabledExtensionsByDevice = { VK_KHR_SWAPCHAIN_EXTENSION_NAME };
VkDeviceCreateInfo deviceCreateInfo = {};
deviceCreateInfo.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
deviceCreateInfo.pNext = nullptr;
deviceCreateInfo.queueCreateInfoCount = 1;
deviceCreateInfo.pQueueCreateInfos = &queueCreateInfo;
deviceCreateInfo.pEnabledFeatures = nullptr;
if(enabledExtensionsByDevice.empty() == false)
{
deviceCreateInfo.enabledExtensionCount = enabledExtensionsByDevice.size();
deviceCreateInfo.ppEnabledExtensionNames = enabledExtensionsByDevice.data();
}
result = vkCreateDevice(g_currentGPU.device, &deviceCreateInfo, nullptr, &g_VulkanDevice);
checkVulkanError(result, TEXT("Vulkanデバイス作成失敗"));
// グラフィックスキュー獲得
vkGetDeviceQueue(g_VulkanDevice, graphicsQueueIndex, 0, &g_VulkanQueue);
//==================================================
// フェンスオブジェクト作成
//==================================================
VkFenceCreateInfo fenceCreateInfo = {};
fenceCreateInfo.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO;
fenceCreateInfo.pNext = nullptr;
fenceCreateInfo.flags = 0;
result = vkCreateFence(g_VulkanDevice, &fenceCreateInfo, nullptr, &g_VulkanFence);
checkVulkanError(result, TEXT("フェンスオブジェクト作成失敗"));
//==================================================
// 同期（セマフォ）オブジェクト作成
//==================================================
VkSemaphoreCreateInfo semaphoreCreateInfo = {};
semaphoreCreateInfo.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO;
semaphoreCreateInfo.pNext = nullptr;
semaphoreCreateInfo.flags = 0;
// コマンドバッファ実行用セマフォ作成
result = vkCreateSemaphore(g_VulkanDevice, &semaphoreCreateInfo, nullptr, &g_VulkanSemahoreRenderComplete);
checkVulkanError(result, TEXT("コマンドバッファ実行用セマフォ作成失敗"));
//==================================================
// コマンドプール作製
//==================================================
VkCommandPoolCreateInfo cmdPoolInfo = {};
cmdPoolInfo.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
cmdPoolInfo.queueFamilyIndex = 0;
cmdPoolInfo.flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT;
result = vkCreateCommandPool(g_VulkanDevice, &cmdPoolInfo, nullptr, &g_VulkanCommandPool);
checkVulkanError(result, TEXT("コマンドプール作成失敗"));
//==================================================
// コマンドバッファ作成
//==================================================
// メモリを確保.
g_commandBuffers.resize(SWAP_CHAIN_COUNT);
VkCommandBufferAllocateInfo commandBufferAllocateInfo = {};
commandBufferAllocateInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
commandBufferAllocateInfo.pNext = nullptr;
commandBufferAllocateInfo.commandPool = g_VulkanCommandPool;
commandBufferAllocateInfo.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
commandBufferAllocateInfo.commandBufferCount = SWAP_CHAIN_COUNT;
result = vkAllocateCommandBuffers(g_VulkanDevice, &commandBufferAllocateInfo, g_commandBuffers.data());
checkVulkanError(result, TEXT("コマンドバッファ作成失敗"));
//==================================================
// OS(今回はWin32)用のサーフェスを作成する
//==================================================
VkWin32SurfaceCreateInfoKHR surfaceCreateInfo = {};
surfaceCreateInfo.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR;
surfaceCreateInfo.hinstance = hinst;
surfaceCreateInfo.hwnd = wnd;
result = vkCreateWin32SurfaceKHR(g_VulkanInstance, &surfaceCreateInfo, nullptr, &g_VulkanSurface);
checkVulkanError(result, TEXT("サーフェス作成失敗"));
//==================================================
// スワップチェーンを作成する
//==================================================
VkFormat imageFormat = VK_FORMAT_R8G8B8A8_UNORM;
VkColorSpaceKHR imageColorSpace = VK_COLORSPACE_SRGB_NONLINEAR_KHR;
uint32_t surfaceFormatCount = 0;
result = vkGetPhysicalDeviceSurfaceFormatsKHR(g_currentGPU.device, g_VulkanSurface, &surfaceFormatCount, nullptr);
checkVulkanError(result, TEXT("サポートしているカラーフォーマット数の獲得失敗"));
std::vector<VkSurfaceFormatKHR> surfaceFormats;
surfaceFormats.resize(surfaceFormatCount);
result = vkGetPhysicalDeviceSurfaceFormatsKHR(g_currentGPU.device, g_VulkanSurface, &surfaceFormatCount, surfaceFormats.data());
checkVulkanError(result, TEXT("サポートしているカラーフォーマットの獲得失敗"));
// 一致するカラーフォーマットを検索する
bool isFind = false;
for(const auto& surfaceFormat : surfaceFormats)
{
if(imageFormat == surfaceFormat.format &&
imageColorSpace == surfaceFormat.colorSpace)
{
isFind = true;
break;
}
}
if(isFind == false)
{
imageFormat = surfaceFormats[0].format;
imageColorSpace = surfaceFormats[0].colorSpace;
}
// サーフェスの機能を獲得する
VkSurfaceCapabilitiesKHR surfaceCapabilities;
VkSurfaceTransformFlagBitsKHR surfaceTransform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
result = vkGetPhysicalDeviceSurfaceCapabilitiesKHR(
g_currentGPU.device,
g_VulkanSurface,
&surfaceCapabilities);
checkVulkanError(result, TEXT("サーフェスの機能の獲得失敗"));
if((surfaceCapabilities.supportedTransforms & VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR) == 0)
{
surfaceTransform = surfaceCapabilities.currentTransform;
}
// プレゼント機能を獲得する
VkPresentModeKHR presentMode = VK_PRESENT_MODE_FIFO_KHR;
uint32_t presentModeCount;
result = vkGetPhysicalDeviceSurfacePresentModesKHR(
g_currentGPU.device,
g_VulkanSurface,
&presentModeCount,
nullptr);
checkVulkanError(result, TEXT("プレゼント機能数の獲得失敗"));
std::vector<VkPresentModeKHR> presentModes;
presentModes.resize(presentModeCount);
result = vkGetPhysicalDeviceSurfacePresentModesKHR(
g_currentGPU.device,
g_VulkanSurface,
&presentModeCount,
presentModes.data());
checkVulkanError(result, TEXT("プレゼント機能の獲得失敗"));
for(const auto& presentModeInfo : presentModes)
{
if(presentModeInfo == VK_PRESENT_MODE_MAILBOX_KHR)
{
presentMode = VK_PRESENT_MODE_MAILBOX_KHR;
break;
}
if(presentModeInfo == VK_PRESENT_MODE_IMMEDIATE_KHR)
{
presentMode = VK_PRESENT_MODE_IMMEDIATE_KHR;
}
}
presentModes.clear();
uint32_t desiredSwapChainImageCount = surfaceCapabilities.minImageCount + 1;
if(surfaceCapabilities.maxImageCount > 0 && desiredSwapChainImageCount > surfaceCapabilities.maxImageCount)
{
desiredSwapChainImageCount = surfaceCapabilities.maxImageCount;
}
// スワップチェーン作成
VkSwapchainCreateInfoKHR swapchainCreateInfo = {};
swapchainCreateInfo.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
swapchainCreateInfo.pNext = nullptr;
swapchainCreateInfo.flags = 0;
swapchainCreateInfo.surface = g_VulkanSurface;
swapchainCreateInfo.minImageCount = desiredSwapChainImageCount;
swapchainCreateInfo.imageFormat = imageFormat;
swapchainCreateInfo.imageColorSpace = imageColorSpace;
swapchainCreateInfo.imageExtent = { SCREEN_WIDTH, SCREEN_HEIGHT };
swapchainCreateInfo.imageArrayLayers = 1;
swapchainCreateInfo.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
swapchainCreateInfo.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
swapchainCreateInfo.queueFamilyIndexCount = 0;
swapchainCreateInfo.pQueueFamilyIndices = nullptr;
swapchainCreateInfo.preTransform = surfaceTransform;
swapchainCreateInfo.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
swapchainCreateInfo.presentMode = presentMode;
swapchainCreateInfo.clipped = VK_TRUE;
swapchainCreateInfo.oldSwapchain = VK_NULL_HANDLE;
result = vkCreateSwapchainKHR(g_VulkanDevice, &swapchainCreateInfo, nullptr, &g_VulkanSwapChain);
checkVulkanError(result, TEXT("サーフェス作成失敗"));
//==================================================
// イメージの作成
//==================================================
uint32_t swapChainCount = 0;
result = vkGetSwapchainImagesKHR(g_VulkanDevice, g_VulkanSwapChain, &swapChainCount, nullptr);
checkVulkanError(result, TEXT("スワップチェーンイメージ数の獲得失敗"));
g_backBuffersTextures.resize(swapChainCount);
std::vector<VkImage> images;
images.resize(swapChainCount);
result = vkGetSwapchainImagesKHR(g_VulkanDevice, g_VulkanSwapChain, &swapChainCount, images.data());
checkVulkanError(result, TEXT("スワップチェーンイメージの獲得失敗"));
for(uint32_t i = 0; i < swapChainCount; ++i)
{
g_backBuffersTextures[i].image = images[i];
}
images.clear();
//==================================================
// イメージビューの生成
//==================================================
for(auto& backBuffer : g_backBuffersTextures)
{
VkImageViewCreateInfo imageViewCreateInfo = {};
imageViewCreateInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
imageViewCreateInfo.pNext = nullptr;
imageViewCreateInfo.flags = 0;
imageViewCreateInfo.image = backBuffer.image;
imageViewCreateInfo.viewType = VK_IMAGE_VIEW_TYPE_2D;
imageViewCreateInfo.format = imageFormat;
imageViewCreateInfo.components.r = VK_COMPONENT_SWIZZLE_R;
imageViewCreateInfo.components.g = VK_COMPONENT_SWIZZLE_G;
imageViewCreateInfo.components.b = VK_COMPONENT_SWIZZLE_B;
imageViewCreateInfo.components.a = VK_COMPONENT_SWIZZLE_A;
imageViewCreateInfo.subresourceRange = { VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1 };
result = vkCreateImageView(g_VulkanDevice, &imageViewCreateInfo, nullptr, &backBuffer.view);
checkVulkanError(result, TEXT("イメージビューの作成失敗"));
setImageLayout(
g_VulkanDevice,
g_commandBuffers[g_currentBufferIndex],
backBuffer.image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_UNDEFINED,
VK_IMAGE_LAYOUT_PRESENT_SRC_KHR);
}
//==================================================
// 深度ステンシルバッファの生成
//==================================================
VkFormat depthFormat = VK_FORMAT_D24_UNORM_S8_UINT;
VkImageTiling imageTiling;
VkFormatProperties formatProperties;
vkGetPhysicalDeviceFormatProperties(g_currentGPU.device, depthFormat, &formatProperties);
if(formatProperties.linearTilingFeatures & VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT)
{
imageTiling = VK_IMAGE_TILING_LINEAR;
}
else if(formatProperties.optimalTilingFeatures & VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT)
{
imageTiling = VK_IMAGE_TILING_OPTIMAL;
}
else
{
checkVulkanError(VK_RESULT_MAX_ENUM, TEXT("サポートされていないフォーマットです"));
return false;
}
VkImageCreateInfo imageCreateInfo = {};
imageCreateInfo.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
imageCreateInfo.pNext = nullptr;
imageCreateInfo.flags = 0;
imageCreateInfo.imageType = VK_IMAGE_TYPE_2D;
imageCreateInfo.format = depthFormat;
imageCreateInfo.extent.width = SCREEN_WIDTH;
imageCreateInfo.extent.height = SCREEN_HEIGHT;
imageCreateInfo.extent.depth = 1;
imageCreateInfo.mipLevels = 1;
imageCreateInfo.arrayLayers = 1;
imageCreateInfo.samples = VK_SAMPLE_COUNT_1_BIT;
imageCreateInfo.tiling = imageTiling;
imageCreateInfo.usage = VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT;
imageCreateInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
imageCreateInfo.queueFamilyIndexCount = 0;
imageCreateInfo.pQueueFamilyIndices = nullptr;
imageCreateInfo.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
result = vkCreateImage(g_VulkanDevice, &imageCreateInfo, nullptr, &g_depthBufferTexture.image);
checkVulkanError(result, TEXT("深度テクスチャ用イメージビュー作成失敗"));
// メモリ要件を獲得
VkMemoryRequirements memoryRequirements;
vkGetImageMemoryRequirements(g_VulkanDevice, g_depthBufferTexture.image, &memoryRequirements);
VkFlags requirementsMask = 0;
uint32_t typeBits = memoryRequirements.memoryTypeBits;
uint32_t typeIndex = 0;
for(const auto& memoryType : g_currentGPU.deviceMemoryProperties.memoryTypes)
{
if((typeBits & 0x1) == 1)
{
if((memoryType.propertyFlags & requirementsMask) == requirementsMask)
{
break;
}
}
typeBits >>= 1;
++typeIndex;
}
// メモリ確保
VkMemoryAllocateInfo allocInfo = {};
allocInfo.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
allocInfo.pNext = nullptr;
allocInfo.allocationSize = memoryRequirements.size;
allocInfo.memoryTypeIndex = typeIndex;
result = vkAllocateMemory(g_VulkanDevice, &allocInfo, nullptr, &g_depthBufferTexture.memory);
checkVulkanError(result, TEXT("深度テクスチャ用メモリ確保失敗"));
result = vkBindImageMemory(g_VulkanDevice, g_depthBufferTexture.image, g_depthBufferTexture.memory, 0);
checkVulkanError(result, TEXT("深度テクスチャメモリにバインド失敗"));
VkImageViewCreateInfo imageViewCreateInfo = {};
imageViewCreateInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
imageViewCreateInfo.pNext = nullptr;
imageViewCreateInfo.image = g_depthBufferTexture.image;
imageViewCreateInfo.format = depthFormat;
imageViewCreateInfo.components.r = VK_COMPONENT_SWIZZLE_R;
imageViewCreateInfo.components.g = VK_COMPONENT_SWIZZLE_G;
imageViewCreateInfo.components.b = VK_COMPONENT_SWIZZLE_B;
imageViewCreateInfo.components.a = VK_COMPONENT_SWIZZLE_A;
imageViewCreateInfo.subresourceRange.aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT;
imageViewCreateInfo.subresourceRange.baseMipLevel = 0;
imageViewCreateInfo.subresourceRange.levelCount = 1;
imageViewCreateInfo.subresourceRange.baseArrayLayer = 0;
imageViewCreateInfo.subresourceRange.layerCount = 1;
imageViewCreateInfo.viewType = VK_IMAGE_VIEW_TYPE_2D;
imageViewCreateInfo.flags = 0;
result = vkCreateImageView(g_VulkanDevice, &imageViewCreateInfo, nullptr, &g_depthBufferTexture.view);
checkVulkanError(result, TEXT("深度テクスチャイメージビュー作成失敗"));
setImageLayout(
g_VulkanDevice,
g_commandBuffers[g_currentBufferIndex],
g_depthBufferTexture.image,
VK_IMAGE_ASPECT_DEPTH_BIT,
VK_IMAGE_LAYOUT_UNDEFINED,
VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL);
//==================================================
// フレームバッファの生成
//==================================================
VkImageView attachments[2]; // 0=カラーバッファ、1=深度バッファ
VkFramebufferCreateInfo frameBufferCreateInfo = {};
frameBufferCreateInfo.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
frameBufferCreateInfo.pNext = nullptr;
frameBufferCreateInfo.flags = 0;
frameBufferCreateInfo.renderPass = VK_NULL_HANDLE;
frameBufferCreateInfo.attachmentCount = 2;
frameBufferCreateInfo.pAttachments = attachments;
frameBufferCreateInfo.width = SCREEN_WIDTH;
frameBufferCreateInfo.height = SCREEN_HEIGHT;
frameBufferCreateInfo.layers = 1;
g_frameBuffers.resize(SWAP_CHAIN_COUNT);
for(uint32_t i = 0; i < SWAP_CHAIN_COUNT; ++i)
{
attachments[0] = g_backBuffersTextures[i].view;
attachments[1] = g_depthBufferTexture.view;
auto result = vkCreateFramebuffer(g_VulkanDevice, &frameBufferCreateInfo, nullptr, &g_frameBuffers[i]);
checkVulkanError(result, TEXT("フレームバッファ作成失敗"));
}
return true;
}
VkResult create_surface(VkInstance vk_instance, VkPhysicalDevice gpu, VkDevice* out_device, DrawCommandBuffer* out_draw_command_buffer, SwapChain* out_swap_chain)
{
if ((out_swap_chain == nullptr) || (out_draw_command_buffer == nullptr))
{
return VK_ERROR_INITIALIZATION_FAILED;
}
VkWin32SurfaceCreateInfoKHR surfaceCreateInfo;
surfaceCreateInfo.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR;
surfaceCreateInfo.hinstance = out_swap_chain->instance;
surfaceCreateInfo.hwnd = out_swap_chain->window;
VK_THROW(vkCreateWin32SurfaceKHR(vk_instance, &surfaceCreateInfo, NULL, &(out_swap_chain->surface)));
uint32_t queue_count;
vkGetPhysicalDeviceQueueFamilyProperties(gpu, &queue_count, nullptr);
assert(queue_count > 0);
std::vector<VkBool32> support_presentable_swap_chain(queue_count);
std::vector<VkQueueFamilyProperties> properties(queue_count);
vkGetPhysicalDeviceQueueFamilyProperties(gpu, &queue_count, properties.data());
for (uint32_t qidx = 0; qidx < queue_count; ++qidx)
{
vkGetPhysicalDeviceSurfaceSupportKHR(gpu, qidx, out_swap_chain->surface, &(support_presentable_swap_chain[qidx]));
}
uint32_t graphics_queue = UINT32_MAX;
uint32_t swap_chain_queue = UINT32_MAX;
for (uint32_t qidx = 0; qidx < queue_count; ++qidx)
{
if (check_flag(properties[qidx].queueFlags, VK_QUEUE_GRAPHICS_BIT) && properties[qidx].queueCount > 0)
{
graphics_queue = qidx;
if (support_presentable_swap_chain[qidx])
{
swap_chain_queue = qidx;
break;
}
}
}
if (swap_chain_queue == UINT32_MAX) // Can't find a graphic queue that also support swap chain. Select two different queue.
{
for (uint32_t qidx = 0; qidx < queue_count; ++qidx)
{
if (support_presentable_swap_chain[qidx] && (properties[qidx].queueCount > 0))
{
swap_chain_queue = qidx;
break;
}
}
}
// Generate error if could not find both a graphics and a present queue
if ((graphics_queue == UINT32_MAX) || (swap_chain_queue == UINT32_MAX))
{
vkDestroySurfaceKHR(vk_instance, out_swap_chain->surface, nullptr);
out_swap_chain->surface = nullptr;
return VK_ERROR_INITIALIZATION_FAILED;
}
uint32_t format_count;
VK_THROW(vkGetPhysicalDeviceSurfaceFormatsKHR(gpu, out_swap_chain->surface, &format_count, NULL));
std::vector<VkSurfaceFormatKHR> surface_formats(format_count);
VK_THROW(vkGetPhysicalDeviceSurfaceFormatsKHR(gpu, out_swap_chain->surface, &format_count, surface_formats.data()));
// If the format list includes just one entry of VK_FORMAT_UNDEFINED,
// the surface has no preferred format. Otherwise, at least one
// supported format will be returned
if (format_count == 1 && surface_formats[0].format == VK_FORMAT_UNDEFINED)
{
out_swap_chain->surface_format.format = VK_FORMAT_B8G8R8A8_UNORM;
out_swap_chain->surface_format.colorSpace = VK_COLORSPACE_SRGB_NONLINEAR_KHR;
}
else
{
assert(format_count > 0);
out_swap_chain->surface_format = surface_formats[0];
}
VK_THROW(create_device(gpu, graphics_queue, swap_chain_queue, out_device));
vkGetDeviceQueue(*out_device, graphics_queue, 0, &out_draw_command_buffer->draw_queue);
vkGetDeviceQueue(*out_device, swap_chain_queue, 0, &out_swap_chain->present_queue);
out_draw_command_buffer->queue_family_idx = graphics_queue;
out_swap_chain->queue_family_idx = swap_chain_queue;
out_swap_chain->gpu = gpu;
return VK_SUCCESS;
}
//[-------------------------------------------------------]
//[ Public methods ]
//[-------------------------------------------------------]
SwapChain::SwapChain(VulkanRenderer &vulkanRenderer, handle nativeWindowHandle) :
ISwapChain(vulkanRenderer),
mNativeWindowHandle(nativeWindowHandle),
mVkSurfaceKHR(VK_NULL_HANDLE),
mVkSwapchainKHR(VK_NULL_HANDLE),
mSwapchainImageCount(0)
{
// Get the Vulkan instance and the Vulkan physical device
const VkInstance vkInstance = vulkanRenderer.getVulkanRuntimeLinking().getVkInstance();
const IContext& context = vulkanRenderer.getContext();
const VkPhysicalDevice vkPhysicalDevice = context.getVkPhysicalDevice();
const VkDevice vkDevice = context.getVkDevice();
// Create Vulkan surface instance depending on OS
#ifdef _WIN32
VkWin32SurfaceCreateInfoKHR vkWin32SurfaceCreateInfoKHR = {};
vkWin32SurfaceCreateInfoKHR.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR;
vkWin32SurfaceCreateInfoKHR.hinstance = reinterpret_cast<HINSTANCE>(::GetWindowLong(reinterpret_cast<HWND>(nativeWindowHandle), GWL_HINSTANCE));
vkWin32SurfaceCreateInfoKHR.hwnd = reinterpret_cast<HWND>(nativeWindowHandle);
VkResult vkResult = vkCreateWin32SurfaceKHR(vkInstance, &vkWin32SurfaceCreateInfoKHR, nullptr, &mVkSurfaceKHR);
#else
#ifdef __ANDROID__
// TODO(co) Not tested - see https://github.com/SaschaWillems/Vulkan
VkAndroidSurfaceCreateInfoKHR vkAndroidSurfaceCreateInfoKHR = {};
vkAndroidSurfaceCreateInfoKHR.sType = VK_STRUCTURE_TYPE_ANDROID_SURFACE_CREATE_INFO_KHR;
vkAndroidSurfaceCreateInfoKHR.window = window;
VkResult vkResult = vkCreateAndroidSurfaceKHR(vkInstance, &vkAndroidSurfaceCreateInfoKHR, nullptr, &mVkSurfaceKHR);
#else
// TODO(co) Not tested - see https://github.com/SaschaWillems/Vulkan
VkXcbSurfaceCreateInfoKHR vkXcbSurfaceCreateInfoKHR = {};
vkXcbSurfaceCreateInfoKHR.sType = VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR;
vkXcbSurfaceCreateInfoKHR.connection = connection;
vkXcbSurfaceCreateInfoKHR.window = window;
VkResult vkResult = vkCreateXcbSurfaceKHR(vkInstance, &vkXcbSurfaceCreateInfoKHR, nullptr, &mVkSurfaceKHR);
#endif
#endif
// Get list of supported surface formats
uint32_t surfaceFormatCount = 0;
vkResult = vkGetPhysicalDeviceSurfaceFormatsKHR(vkPhysicalDevice, mVkSurfaceKHR, &surfaceFormatCount, nullptr);
// assert(!vkResult);
// assert(surfaceFormatCount > 0);
std::vector<VkSurfaceFormatKHR> vkSurfaceFormatKHRs(surfaceFormatCount);
vkResult = vkGetPhysicalDeviceSurfaceFormatsKHR(vkPhysicalDevice, mVkSurfaceKHR, &surfaceFormatCount, vkSurfaceFormatKHRs.data());
// assert(!vkResult);
// If the surface format list only includes one entry with VK_FORMAT_UNDEFINED,
// there is no preferred format, so we assume VK_FORMAT_B8G8R8A8_UNORM
VkFormat colorVkFormat;
if ((surfaceFormatCount == 1) && (vkSurfaceFormatKHRs[0].format == VK_FORMAT_UNDEFINED))
{
colorVkFormat = VK_FORMAT_B8G8R8A8_UNORM;
}
else
{
// Always select the first available color format
// If you need a specific format (e.g. SRGB) you'd need to
// iterate over the list of available surface format and
// check for it's presence
colorVkFormat = vkSurfaceFormatKHRs[0].format;
}
VkColorSpaceKHR vkColorSpaceKHR = vkSurfaceFormatKHRs[0].colorSpace;
// Get the width and height of the given native window and ensure they are never ever zero
// -> See "getSafeWidthAndHeight()"-method comments for details
uint32_t width = 1;
uint32_t height = 1;
#ifdef _WIN32
{
// Get the client rectangle of the given native window
RECT rect;
::GetClientRect(reinterpret_cast<HWND>(nativeWindowHandle), &rect);
// Get the width and height...
width = static_cast<uint32_t>(rect.right - rect.left);
height = static_cast<uint32_t>(rect.bottom - rect.top);
// ... and ensure that none of them is ever zero
if (width < 1)
{
width = 1;
}
if (height < 1)
{
height = 1;
}
}
#endif
// TODO(co) Move the rest into a method
VkSwapchainKHR oldVkSwapchainKHR = mVkSwapchainKHR;
// Get physical device surface properties and formats
VkSurfaceCapabilitiesKHR vkSurfaceCapabilitiesKHR;
vkResult = vkGetPhysicalDeviceSurfaceCapabilitiesKHR(vkPhysicalDevice, mVkSurfaceKHR, &vkSurfaceCapabilitiesKHR);
// assert(!vkResult);
// Get available present modes
uint32_t presentModeCount = 0;
vkResult = vkGetPhysicalDeviceSurfacePresentModesKHR(vkPhysicalDevice, mVkSurfaceKHR, &presentModeCount, nullptr);
// assert(!vkResult);
// assert(presentModeCount > 0);
std::vector<VkPresentModeKHR> vkPresentModeKHRs(presentModeCount);
vkResult = vkGetPhysicalDeviceSurfacePresentModesKHR(vkPhysicalDevice, mVkSurfaceKHR, &presentModeCount, vkPresentModeKHRs.data());
// assert(!vkResult);
// Width and height are either both -1, or both not -1.
VkExtent2D swapchainExtent = {};
if (vkSurfaceCapabilitiesKHR.currentExtent.width == -1)
{
// If the surface size is undefined, the size is set to
// the size of the images requested.
swapchainExtent.width = width;
swapchainExtent.height = height;
}
else
{
// If the surface size is defined, the swap chain size must match
swapchainExtent = vkSurfaceCapabilitiesKHR.currentExtent;
width = vkSurfaceCapabilitiesKHR.currentExtent.width;
height = vkSurfaceCapabilitiesKHR.currentExtent.height;
}
// Prefer mailbox mode if present, it's the lowest latency non-tearing present mode
VkPresentModeKHR swapchainPresentMode = VK_PRESENT_MODE_FIFO_KHR;
for (size_t i = 0; i < presentModeCount; ++i)
{
if (vkPresentModeKHRs[i] == VK_PRESENT_MODE_MAILBOX_KHR)
{
swapchainPresentMode = VK_PRESENT_MODE_MAILBOX_KHR;
break;
}
if ((swapchainPresentMode != VK_PRESENT_MODE_MAILBOX_KHR) && (vkPresentModeKHRs[i] == VK_PRESENT_MODE_IMMEDIATE_KHR))
{
swapchainPresentMode = VK_PRESENT_MODE_IMMEDIATE_KHR;
}
}
// Determine the number of images
uint32_t desiredNumberOfSwapchainImages = vkSurfaceCapabilitiesKHR.minImageCount + 1;
if ((vkSurfaceCapabilitiesKHR.maxImageCount > 0) && (desiredNumberOfSwapchainImages > vkSurfaceCapabilitiesKHR.maxImageCount))
{
desiredNumberOfSwapchainImages = vkSurfaceCapabilitiesKHR.maxImageCount;
}
VkSurfaceTransformFlagsKHR vkSurfaceTransformFlagsKHR;
if (vkSurfaceCapabilitiesKHR.supportedTransforms & VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR)
{
vkSurfaceTransformFlagsKHR = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
}
else
{
vkSurfaceTransformFlagsKHR = vkSurfaceCapabilitiesKHR.currentTransform;
}
VkSwapchainCreateInfoKHR vkSwapchainCreateInfoKHR = {};
vkSwapchainCreateInfoKHR.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
vkSwapchainCreateInfoKHR.surface = mVkSurfaceKHR;
vkSwapchainCreateInfoKHR.minImageCount = desiredNumberOfSwapchainImages;
vkSwapchainCreateInfoKHR.imageFormat = colorVkFormat;
vkSwapchainCreateInfoKHR.imageColorSpace = vkColorSpaceKHR;
vkSwapchainCreateInfoKHR.imageExtent = { swapchainExtent.width, swapchainExtent.height };
vkSwapchainCreateInfoKHR.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
vkSwapchainCreateInfoKHR.preTransform = static_cast<VkSurfaceTransformFlagBitsKHR>(vkSurfaceTransformFlagsKHR);
vkSwapchainCreateInfoKHR.imageArrayLayers = 1;
vkSwapchainCreateInfoKHR.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
vkSwapchainCreateInfoKHR.presentMode = swapchainPresentMode;
vkSwapchainCreateInfoKHR.oldSwapchain = oldVkSwapchainKHR;
vkSwapchainCreateInfoKHR.clipped = true;
vkSwapchainCreateInfoKHR.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
vkResult = vkCreateSwapchainKHR(vkDevice, &vkSwapchainCreateInfoKHR, nullptr, &mVkSwapchainKHR);
// assert(!vkResult);
// If an existing swap chain is re-created, destroy the old swap chain
// This also cleans up all the presentable images
if (VK_NULL_HANDLE != oldVkSwapchainKHR)
{
for (uint32_t i = 0; i < mSwapchainImageCount; ++i)
{
vkDestroyImageView(vkDevice, mSwapChainBuffer[i].view, nullptr);
}
vkDestroySwapchainKHR(vkDevice, oldVkSwapchainKHR, nullptr);
}
vkResult = vkGetSwapchainImagesKHR(vkDevice, mVkSwapchainKHR, &mSwapchainImageCount, nullptr);
// assert(!vkResult);
// Get the swap chain images
mVkImages.resize(mSwapchainImageCount);
vkResult = vkGetSwapchainImagesKHR(vkDevice, mVkSwapchainKHR, &mSwapchainImageCount, mVkImages.data());
// assert(!vkResult);
// Get the swap chain buffers containing the image and image view
mSwapChainBuffer.resize(mSwapchainImageCount);
for (uint32_t i = 0; i < mSwapchainImageCount; ++i)
{
VkImageViewCreateInfo colorAttachmentView = {};
colorAttachmentView.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
colorAttachmentView.format = colorVkFormat;
colorAttachmentView.components = {
VK_COMPONENT_SWIZZLE_R,
VK_COMPONENT_SWIZZLE_G,
VK_COMPONENT_SWIZZLE_B,
VK_COMPONENT_SWIZZLE_A
};
colorAttachmentView.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
colorAttachmentView.subresourceRange.levelCount = 1;
colorAttachmentView.subresourceRange.layerCount = 1;
colorAttachmentView.viewType = VK_IMAGE_VIEW_TYPE_2D;
mSwapChainBuffer[i].image = mVkImages[i];
// Transform images from initial (undefined) to present layout
Helper::setImageLayout(context.getSetupVkCommandBuffer(), mSwapChainBuffer[i].image, VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_PRESENT_SRC_KHR, VK_IMAGE_ASPECT_COLOR_BIT);
colorAttachmentView.image = mSwapChainBuffer[i].image;
vkResult = vkCreateImageView(vkDevice, &colorAttachmentView, nullptr, &mSwapChainBuffer[i].view);
// assert(!vkResult);
}
}
FVulkanSwapChain::FVulkanSwapChain(VkInstance Instance, FVulkanDevice& InDevice, void* WindowHandle, EPixelFormat& InOutPixelFormat, uint32 Width, uint32 Height,
uint32* InOutDesiredNumBackBuffers, TArray<VkImage>& OutImages)
: SwapChain(VK_NULL_HANDLE)
, Device(InDevice)
, Surface(VK_NULL_HANDLE)
, CurrentImageIndex(-1)
, SemaphoreIndex(0)
{
#if PLATFORM_WINDOWS
VkWin32SurfaceCreateInfoKHR SurfaceCreateInfo;
FMemory::Memzero(SurfaceCreateInfo);
SurfaceCreateInfo.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR;
SurfaceCreateInfo.hinstance = GetModuleHandle(nullptr);
SurfaceCreateInfo.hwnd = (HWND)WindowHandle;
VERIFYVULKANRESULT(vkCreateWin32SurfaceKHR(Instance, &SurfaceCreateInfo, nullptr, &Surface));
#elif PLATFORM_ANDROID
VkAndroidSurfaceCreateInfoKHR SurfaceCreateInfo;
FMemory::Memzero(SurfaceCreateInfo);
SurfaceCreateInfo.sType = VK_STRUCTURE_TYPE_ANDROID_SURFACE_CREATE_INFO_KHR;
SurfaceCreateInfo.window = (ANativeWindow*)WindowHandle;
VERIFYVULKANRESULT(vkCreateAndroidSurfaceKHR(Instance, &SurfaceCreateInfo, nullptr, &Surface));
#else
static_assert(false, "Unsupported Vulkan platform!");
#endif
// Find Pixel format for presentable images
VkSurfaceFormatKHR CurrFormat;
FMemory::Memzero(CurrFormat);
{
uint32 NumFormats;
VERIFYVULKANRESULT_EXPANDED(VulkanRHI::vkGetPhysicalDeviceSurfaceFormatsKHR(Device.GetPhysicalHandle(), Surface, &NumFormats, nullptr));
check(NumFormats > 0);
TArray<VkSurfaceFormatKHR> Formats;
Formats.AddZeroed(NumFormats);
VERIFYVULKANRESULT_EXPANDED(VulkanRHI::vkGetPhysicalDeviceSurfaceFormatsKHR(Device.GetPhysicalHandle(), Surface, &NumFormats, Formats.GetData()));
if (Formats.Num() == 1 && Formats[0].format == VK_FORMAT_UNDEFINED && InOutPixelFormat == PF_Unknown)
{
InOutPixelFormat = PF_B8G8R8A8;
}
else if (InOutPixelFormat == PF_Unknown)
{
// Reverse lookup
check(Formats[0].format != VK_FORMAT_UNDEFINED);
for (int32 Index = 0; Index < PF_MAX; ++Index)
{
if (Formats[0].format == GPixelFormats[Index].PlatformFormat)
{
InOutPixelFormat = (EPixelFormat)Index;
CurrFormat = Formats[0];
break;
}
}
}
else
{
VkFormat PlatformFormat = UEToVkFormat(InOutPixelFormat, false);
bool bSupported = false;
for (int32 Index = 0; Index < Formats.Num(); ++Index)
{
if (Formats[Index].format == PlatformFormat)
{
bSupported = true;
CurrFormat = Formats[Index];
break;
}
}
check(bSupported);
}
}
VkFormat PlatformFormat = UEToVkFormat(InOutPixelFormat, false);
//#todo-rco: Check multiple Gfx Queues?
VkBool32 bSupportsPresent = VK_FALSE;
VERIFYVULKANRESULT(VulkanRHI::vkGetPhysicalDeviceSurfaceSupportKHR(Device.GetPhysicalHandle(), Device.GetQueue()->GetFamilyIndex(), Surface, &bSupportsPresent));
//#todo-rco: Find separate present queue if the gfx one doesn't support presents
check(bSupportsPresent);
// Fetch present mode
VkPresentModeKHR PresentMode = VK_PRESENT_MODE_FIFO_KHR;
#if !PLATFORM_ANDROID
{
uint32 NumFoundPresentModes = 0;
VERIFYVULKANRESULT(VulkanRHI::vkGetPhysicalDeviceSurfacePresentModesKHR(Device.GetPhysicalHandle(), Surface, &NumFoundPresentModes, nullptr));
check(NumFoundPresentModes > 0);
TArray<VkPresentModeKHR> FoundPresentModes;
FoundPresentModes.AddZeroed(NumFoundPresentModes);
VERIFYVULKANRESULT(VulkanRHI::vkGetPhysicalDeviceSurfacePresentModesKHR(Device.GetPhysicalHandle(), Surface, &NumFoundPresentModes, FoundPresentModes.GetData()));
bool bFoundDesiredMode = false;
for (size_t i = 0; i < NumFoundPresentModes; i++)
{
if (FoundPresentModes[i] == PresentMode)
{
bFoundDesiredMode = true;
break;
}
}
if (!bFoundDesiredMode)
{
UE_LOG(LogVulkanRHI, Warning, TEXT("Couldn't find Present Mode %d!"), (int32)PresentMode);
PresentMode = FoundPresentModes[0];
}
}
#endif
// Check the surface properties and formats
VkSurfaceCapabilitiesKHR SurfProperties;
VERIFYVULKANRESULT_EXPANDED(VulkanRHI::vkGetPhysicalDeviceSurfaceCapabilitiesKHR(Device.GetPhysicalHandle(),
Surface,
&SurfProperties));
VkSurfaceTransformFlagBitsKHR PreTransform;
if (SurfProperties.supportedTransforms & VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR)
{
PreTransform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
}
else
{
PreTransform = SurfProperties.currentTransform;
}
// 0 means no limit, so use the requested number
uint32 DesiredNumBuffers = SurfProperties.maxImageCount > 0 ? FMath::Clamp(*InOutDesiredNumBackBuffers, SurfProperties.minImageCount, SurfProperties.maxImageCount) : *InOutDesiredNumBackBuffers;
VkSwapchainCreateInfoKHR SwapChainInfo;
FMemory::Memzero(SwapChainInfo);
SwapChainInfo.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
SwapChainInfo.surface = Surface;
SwapChainInfo.minImageCount = DesiredNumBuffers;
SwapChainInfo.imageFormat = CurrFormat.format;
SwapChainInfo.imageColorSpace = CurrFormat.colorSpace;
SwapChainInfo.imageExtent.width = PLATFORM_ANDROID ? Width : (SurfProperties.currentExtent.width == -1 ? Width : SurfProperties.currentExtent.width);
SwapChainInfo.imageExtent.height = PLATFORM_ANDROID ? Height : (SurfProperties.currentExtent.height == -1 ? Height : SurfProperties.currentExtent.height);
SwapChainInfo.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT;
SwapChainInfo.preTransform = PreTransform;
SwapChainInfo.imageArrayLayers = 1;
SwapChainInfo.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
SwapChainInfo.presentMode = PresentMode;
SwapChainInfo.oldSwapchain = VK_NULL_HANDLE;
SwapChainInfo.clipped = VK_TRUE;
SwapChainInfo.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
*InOutDesiredNumBackBuffers = DesiredNumBuffers;
VERIFYVULKANRESULT_EXPANDED(VulkanRHI::vkCreateSwapchainKHR(Device.GetInstanceHandle(), &SwapChainInfo, nullptr, &SwapChain));
uint32 NumSwapChainImages;
VERIFYVULKANRESULT_EXPANDED(VulkanRHI::vkGetSwapchainImagesKHR(Device.GetInstanceHandle(), SwapChain, &NumSwapChainImages, nullptr));
OutImages.AddUninitialized(NumSwapChainImages);
VERIFYVULKANRESULT_EXPANDED(VulkanRHI::vkGetSwapchainImagesKHR(Device.GetInstanceHandle(), SwapChain, &NumSwapChainImages, OutImages.GetData()));
ImageAcquiredSemaphore.AddUninitialized(DesiredNumBuffers);
for (uint32 BufferIndex = 0; BufferIndex < DesiredNumBuffers; ++BufferIndex)
{
ImageAcquiredSemaphore[BufferIndex] = new FVulkanSemaphore(Device);
}
}
void createSurface(
#if defined(_WIN32)
HINSTANCE windowInstance, HWND window
#elif defined(__linux__)
xcb_connection_t *connection, xcb_window_t window
#endif
) {
#if defined(_WIN32)
VkWin32SurfaceCreateInfoKHR surfaceCreateInfo = {};
surfaceCreateInfo.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR;
surfaceCreateInfo.pNext = NULL;
surfaceCreateInfo.flags = 0;
surfaceCreateInfo.hinstance = windowInstance;
surfaceCreateInfo.hwnd = window;
VkResult result =
vkCreateWin32SurfaceKHR(instance, &surfaceCreateInfo, NULL, &surface);
#elif defined(__linux__)
VkXcbSurfaceCreateInfoKHR surfaceCreateInfo = {};
surfaceCreateInfo.sType = VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR;
surfaceCreateInfo.pNext = NULL;
surfaceCreateInfo.flags = 0;
surfaceCreateInfo.connection = connection;
surfaceCreateInfo.window = window;
VkResult result =
vkCreateXcbSurfaceKHR(instance, &surfaceCreateInfo, NULL, &surface);
#endif
assert(result == VK_SUCCESS);
uint32_t queueCount = 0;
vkGetPhysicalDeviceQueueFamilyProperties(physicalDevice, &queueCount, NULL);
assert(queueCount >= 1);
std::vector<VkQueueFamilyProperties> queueProperties(queueCount);
vkGetPhysicalDeviceQueueFamilyProperties(physicalDevice, &queueCount,
queueProperties.data());
queueIndex = UINT32_MAX;
std::vector<VkBool32> supportsPresenting(queueCount);
for (uint32_t i = 0; i < queueCount; i++) {
fpGetPhysicalDeviceSurfaceSupportKHR(physicalDevice, i, surface,
&supportsPresenting[i]);
if ((queueProperties[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) != 0) {
if (supportsPresenting[i] == VK_TRUE) {
queueIndex = i;
break;
}
}
}
assert(queueIndex != UINT32_MAX);
uint32_t formatCount = 0;
result = fpGetPhysicalDeviceSurfaceFormatsKHR(physicalDevice, surface,
&formatCount, NULL);
assert(result == VK_SUCCESS && formatCount >= 1);
std::vector<VkSurfaceFormatKHR> surfaceFormats(formatCount);
result = fpGetPhysicalDeviceSurfaceFormatsKHR(
physicalDevice, surface, &formatCount, surfaceFormats.data());
assert(result == VK_SUCCESS);
if (formatCount == 1 && surfaceFormats[0].format == VK_FORMAT_UNDEFINED)
colorFormat = VK_FORMAT_B8G8R8A8_UNORM;
else
colorFormat = surfaceFormats[0].format;
colorSpace = surfaceFormats[0].colorSpace;
}
