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;
}
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_hasXcb)
{
VkXcbSurfaceCreateInfoKHR xcbSurfaceCreateInfoKHR;
memset(&xcbSurfaceCreateInfoKHR, 0, sizeof(VkXcbSurfaceCreateInfoKHR));
xcbSurfaceCreateInfoKHR.sType = VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR;
xcbSurfaceCreateInfoKHR.flags = 0;
xcbSurfaceCreateInfoKHR.connection = XGetXCBConnection(nativeDisplay);
xcbSurfaceCreateInfoKHR.window = (xcb_window_t)nativeWindow;
result = vkCreateXcbSurfaceKHR(instance, &xcbSurfaceCreateInfoKHR, nullptr, &surface);
if (result != VK_SUCCESS)
{
return VK_NULL_HANDLE;
}
return surface;
}
if (g_hasXlib)
{
VkXlibSurfaceCreateInfoKHR xlibSurfaceCreateInfoKHR;
memset(&xlibSurfaceCreateInfoKHR, 0, sizeof(VkXlibSurfaceCreateInfoKHR));
xlibSurfaceCreateInfoKHR.sType = VK_STRUCTURE_TYPE_XLIB_SURFACE_CREATE_INFO_KHR;
xlibSurfaceCreateInfoKHR.flags = 0;
xlibSurfaceCreateInfoKHR.dpy = nativeDisplay;
xlibSurfaceCreateInfoKHR.window = nativeWindow;
result = vkCreateXlibSurfaceKHR(instance, &xlibSurfaceCreateInfoKHR, nullptr, &surface);
if (result != VK_SUCCESS)
{
return VK_NULL_HANDLE;
}
return surface;
}
return VK_NULL_HANDLE;
}
void Window::_InitOSSurface()
{
VkXcbSurfaceCreateInfoKHR create_info {};
create_info.sType = VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR;
create_info.connection = _xcb_connection;
create_info.window = _xcb_window;
ErrorCheck( vkCreateXcbSurfaceKHR( _renderer->GetVulkanInstance(), &create_info, nullptr, &_surface ) );
}
void v_window::_initOSSurface() {
VkXcbSurfaceCreateInfoKHR createInfo = {};
{
createInfo.sType = VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR;
createInfo.connection = _xcb_connection;
createInfo.window = _xcb_window;
}
vkCreateXcbSurfaceKHR(_renderer->getInstance(),&createInfo, nullptr,&_surface);
assert(_surface && "create surface faild");
}
angle::Result WindowSurfaceVkXcb::createSurfaceVk(vk::Context *context, gl::Extents *extentsOut)
{
VkXcbSurfaceCreateInfoKHR createInfo = {};
createInfo.sType = VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR;
createInfo.flags = 0;
createInfo.connection = mXcbConnection;
createInfo.window = mNativeWindowType;
ANGLE_VK_TRY(context, vkCreateXcbSurfaceKHR(context->getRenderer()->getInstance(), &createInfo,
nullptr, &mSurface));
xcb_get_geometry_cookie_t cookie = xcb_get_geometry(mXcbConnection, mNativeWindowType);
xcb_get_geometry_reply_t *reply = xcb_get_geometry_reply(mXcbConnection, cookie, nullptr);
ASSERT(reply);
*extentsOut = gl::Extents(reply->width, reply->height, 0);
free(reply);
return angle::Result::Continue;
}
vk::ErrorOrResult<gl::Extents> WindowSurfaceVkXcb::createSurfaceVk(RendererVk *renderer)
{
VkXcbSurfaceCreateInfoKHR createInfo;
createInfo.sType = VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR;
createInfo.pNext = nullptr;
createInfo.flags = 0;
createInfo.connection = mXcbConnection;
createInfo.window = mNativeWindowType;
ANGLE_VK_TRY(vkCreateXcbSurfaceKHR(renderer->getInstance(), &createInfo, nullptr, &mSurface));
xcb_get_geometry_cookie_t cookie = xcb_get_geometry(mXcbConnection, mNativeWindowType);
xcb_get_geometry_reply_t *reply = xcb_get_geometry_reply(mXcbConnection, cookie, nullptr);
ASSERT(reply);
gl::Extents result(reply->width, reply->height, 0);
free(reply);
return result;
}
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;
}
//==============================================================================
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));
#else
#error TODO
#endif
return ErrorCode::NONE;
}
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;
}
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;
}
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;
}
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;
}
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
}
//[-------------------------------------------------------]
//[ 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);
}
}
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;
}
// Creates an os specific surface
// Tries to find a graphics and a present queue
void initSurface(
xcb_connection_t* connection, xcb_window_t window
)
{
VkResult err;
// Create surface depending on OS
VkXcbSurfaceCreateInfoKHR surfaceCreateInfo = {};
surfaceCreateInfo.sType = VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR;
surfaceCreateInfo.connection = connection;
surfaceCreateInfo.window = window;
err = vkCreateXcbSurfaceKHR(instance, &surfaceCreateInfo, nullptr, &surface);
// Get available queue family properties
uint32_t queueCount;
vkGetPhysicalDeviceQueueFamilyProperties(physicalDevice, &queueCount, NULL);
assert(queueCount >= 1);
std::vector<VkQueueFamilyProperties> queueProps(queueCount);
vkGetPhysicalDeviceQueueFamilyProperties(physicalDevice, &queueCount, queueProps.data());
// Iterate over each queue to learn whether it supports presenting:
// Find a queue with present support
// 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(physicalDevice, i, 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)
{
feather::vulkan::tools::exitFatal("Could not find a graphics and/or presenting queue!", "Fatal error");
}
// todo : Add support for separate graphics and presenting queue
if (graphicsQueueNodeIndex != presentQueueNodeIndex)
{
feather::vulkan::tools::exitFatal("Separate graphics and presenting queues are not supported yet!", "Fatal error");
}
queueNodeIndex = graphicsQueueNodeIndex;
// Get list of supported surface formats
uint32_t formatCount;
err = fpGetPhysicalDeviceSurfaceFormatsKHR(physicalDevice, surface, &formatCount, NULL);
assert(!err);
assert(formatCount > 0);
std::vector<VkSurfaceFormatKHR> surfaceFormats(formatCount);
err = fpGetPhysicalDeviceSurfaceFormatsKHR(physicalDevice, surface, &formatCount, surfaceFormats.data());
assert(!err);
// 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))
{
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
colorFormat = surfaceFormats[0].format;
}
colorSpace = surfaceFormats[0].colorSpace;
}
_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;
}
