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vulkaninfo.h
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vulkaninfo.h
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/*
* Copyright (c) 2015-2021 The Khronos Group Inc.
* Copyright (c) 2015-2021 Valve Corporation
* Copyright (c) 2015-2021 LunarG, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Author: Courtney Goeltzenleuchter <courtney@LunarG.com>
* Author: David Pinedo <david@lunarg.com>
* Author: Mark Lobodzinski <mark@lunarg.com>
* Author: Rene Lindsay <rene@lunarg.com>
* Author: Jeremy Kniager <jeremyk@lunarg.com>
* Author: Shannon McPherson <shannon@lunarg.com>
* Author: Bob Ellison <bob@lunarg.com>
* Author: Charles Giessen <charles@lunarg.com>
*
*/
#include <algorithm>
#include <array>
#include <exception>
#include <iostream>
#include <fstream>
#include <memory>
#include <ostream>
#include <set>
#include <string>
#include <unordered_map>
#include <vector>
#include <utility>
#include <assert.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <cstring>
#ifdef __GNUC__
#ifndef _POSIX_C_SOURCE
#define _POSIX_C_SOURCE 200809L
#endif
#else
#define strndup(p, n) strdup(p)
#endif
#if defined(_WIN32)
#include <fcntl.h>
#include <io.h>
#ifndef NOMINMAX
#define NOMINMAX
#endif
#include <windows.h>
#if _MSC_VER == 1900
#pragma warning(disable : 4800)
#endif
#endif // _WIN32
#if defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD__)
#include <dlfcn.h>
#endif
#if defined(VK_USE_PLATFORM_XLIB_KHR) || defined(VK_USE_PLATFORM_XCB_KHR)
#include <X11/Xutil.h>
#endif
#if defined(VK_USE_PLATFORM_MACOS_MVK) || defined(VK_USE_PLATFORM_METAL_EXT)
#include "metal_view.h"
#endif
#include <vulkan/vulkan.h>
static const char *VkResultString(VkResult err);
// General error: Get file + line and a short message
struct FileLineException : std::runtime_error {
FileLineException(const std::string &arg, const char *file, int line) : runtime_error(arg) {
msg = std::string(file) + ":" + std::to_string(line) + ": " + arg;
}
~FileLineException() throw() {}
const char *what() const throw() { return msg.c_str(); }
private:
std::string msg;
};
#define THROW_ERR(arg) throw FileLineException(arg, __FILE__, __LINE__);
// Vulkan function error: Get name of function, file, line, and the error code returned by the function
struct VulkanException : std::runtime_error {
VulkanException(const std::string &function, const char *file, int line, VkResult err) : runtime_error(function) {
msg = std::string(file) + ":" + std::to_string(line) + ":" + function + " failed with " + VkResultString(err);
}
~VulkanException() throw() {}
const char *what() const throw() { return msg.c_str(); }
private:
std::string msg;
};
#define THROW_VK_ERR(func_name, err) throw VulkanException(func_name, __FILE__, __LINE__, err);
#ifdef _WIN32
#define strdup _strdup
// Returns nonzero if the console is used only for this process. Will return
// zero if another process (such as cmd.exe) is also attached.
static int ConsoleIsExclusive(void) {
DWORD pids[2];
DWORD num_pids = GetConsoleProcessList(pids, ARRAYSIZE(pids));
return num_pids <= 1;
}
void wait_for_console_destroy() {
if (ConsoleIsExclusive()) Sleep(INFINITE);
}
// User32 function declarations
using PFN_AdjustWindowRect = WINUSERAPI BOOL(WINAPI *)(_Inout_ LPRECT, _In_ DWORD, _In_ BOOL);
using PFN_CreateWindowExA = WINUSERAPI HWND(WINAPI *)(_In_ DWORD, _In_opt_ LPCSTR, _In_opt_ LPCSTR, _In_ DWORD, _In_ int, _In_ int,
_In_ int, _In_ int, _In_opt_ HWND, _In_opt_ HMENU, _In_opt_ HINSTANCE,
_In_opt_ LPVOID);
using PFN_DefWindowProcA = WINUSERAPI LRESULT(WINAPI *)(_In_ HWND, _In_ UINT, _In_ WPARAM, _In_ LPARAM);
using PFN_DestroyWindow = WINUSERAPI BOOL(WINAPI *)(_In_ HWND);
using PFN_LoadIconA = WINUSERAPI HICON(WINAPI *)(_In_opt_ HINSTANCE, _In_ LPCSTR);
using PFN_RegisterClassExA = WINUSERAPI ATOM(WINAPI *)(_In_ CONST WNDCLASSEXA *);
struct User32Handles {
// User32 dll handle
HMODULE user32DllHandle = nullptr;
// User32 function pointers
PFN_AdjustWindowRect pfnAdjustWindowRect = nullptr;
PFN_CreateWindowExA pfnCreateWindowExA = nullptr;
PFN_DefWindowProcA pfnDefWindowProcA = nullptr;
PFN_DestroyWindow pfnDestroyWindow = nullptr;
PFN_LoadIconA pfnLoadIconA = nullptr;
PFN_RegisterClassExA pfnRegisterClassExA = nullptr;
User32Handles() noexcept {}
~User32Handles() noexcept {
if (user32DllHandle != nullptr) {
FreeLibrary(user32DllHandle);
}
}
// Don't allow moving of this class
User32Handles(User32Handles const &) = delete;
User32Handles &operator=(User32Handles const &) = delete;
User32Handles(User32Handles &&) = delete;
User32Handles &operator=(User32Handles &&) = delete;
bool load() {
user32DllHandle = LoadLibraryExA("user32.dll", nullptr, 0);
if (user32DllHandle == nullptr) return false;
if (!load_function(pfnAdjustWindowRect, "AdjustWindowRect")) return false;
if (!load_function(pfnCreateWindowExA, "CreateWindowExA")) return false;
if (!load_function(pfnDefWindowProcA, "DefWindowProcA")) return false;
if (!load_function(pfnDestroyWindow, "DestroyWindow")) return false;
if (!load_function(pfnLoadIconA, "LoadIconA")) return false;
if (!load_function(pfnRegisterClassExA, "RegisterClassExA")) return false;
return true;
}
private:
template <typename T>
bool load_function(T &function_pointer, const char *function_name) {
function_pointer = reinterpret_cast<T>(GetProcAddress(user32DllHandle, function_name));
if (function_pointer == nullptr) {
fprintf(stderr, "Failed to load function: %s\n", function_name);
return false;
}
return true;
}
};
// Global user handles function used in windows callback and code
User32Handles *user32_handles;
#endif // _WIN32
const char *app_short_name = "vulkaninfo";
std::vector<const char *> get_c_str_array(std::vector<std::string> const &vec) {
std::vector<const char *> ret;
for (auto &str : vec) ret.push_back(str.c_str());
return ret;
}
static const char *VkDebugReportFlagsEXTString(const VkDebugReportFlagsEXT flags) {
switch (flags) {
case VK_DEBUG_REPORT_ERROR_BIT_EXT:
return "ERROR";
case VK_DEBUG_REPORT_WARNING_BIT_EXT:
return "WARNING";
case VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT:
return "PERF";
case VK_DEBUG_REPORT_INFORMATION_BIT_EXT:
return "INFO";
case VK_DEBUG_REPORT_DEBUG_BIT_EXT:
return "DEBUG";
default:
return "UNKNOWN";
}
}
static VKAPI_ATTR VkBool32 VKAPI_CALL DbgCallback(VkDebugReportFlagsEXT msgFlags, VkDebugReportObjectTypeEXT objType,
uint64_t srcObject, size_t location, int32_t msgCode, const char *pLayerPrefix,
const char *pMsg, void *pUserData) {
std::cerr << VkDebugReportFlagsEXTString(msgFlags) << ": [" << pLayerPrefix << "] Code " << msgCode << " : " << pMsg << "\n";
// True is reserved for layer developers, and MAY mean calls are not distributed down the layer chain after validation
// error. False SHOULD always be returned by apps:
return VK_FALSE;
}
// Helper for robustly executing the two-call pattern
template <typename T, typename F, typename... Ts>
auto GetVectorInit(const char *func_name, F &&f, T init, Ts &&...ts) -> std::vector<T> {
uint32_t count = 0;
std::vector<T> results;
VkResult err;
do {
err = f(ts..., &count, nullptr);
if (err) THROW_VK_ERR(func_name, err);
results.resize(count, init);
err = f(ts..., &count, results.data());
results.resize(count);
} while (err == VK_INCOMPLETE);
if (err) THROW_VK_ERR(func_name, err);
return results;
}
template <typename T, typename F, typename... Ts>
auto GetVector(const char *func_name, F &&f, Ts &&...ts) -> std::vector<T> {
return GetVectorInit(func_name, f, T(), ts...);
}
// ----------- Instance Setup ------- //
struct VkDll {
VkResult Initialize() {
#if defined(__linux__) || defined(__FreeBSD__)
library = dlopen("libvulkan.so", RTLD_NOW | RTLD_LOCAL);
if (!library) library = dlopen("libvulkan.so.1", RTLD_NOW | RTLD_LOCAL);
#elif defined(_WIN32)
library = LoadLibrary(TEXT("vulkan-1.dll"));
#endif
#if !defined(__APPLE__)
if (library == 0) return VK_ERROR_INITIALIZATION_FAILED;
#endif
return VK_SUCCESS;
}
void Close() {
#if defined(__linux__) || defined(__FreeBSD__)
dlclose(library);
#elif defined(_WIN32)
FreeLibrary(library);
#endif
#if !defined(__APPLE__)
library = 0;
#endif
}
#if defined(__APPLE__)
#define APPLE_FP(name) name
#else
#define APPLE_FP(nama) nullptr
#endif
// Function pointers, loaded from the dll
PFN_vkCreateInstance fp_vkCreateInstance = APPLE_FP(vkCreateInstance);
PFN_vkEnumerateInstanceExtensionProperties fp_vkEnumerateInstanceExtensionProperties =
APPLE_FP(vkEnumerateInstanceExtensionProperties);
PFN_vkEnumerateInstanceLayerProperties fp_vkEnumerateInstanceLayerProperties = APPLE_FP(vkEnumerateInstanceLayerProperties);
PFN_vkDestroyInstance fp_vkDestroyInstance = APPLE_FP(vkDestroyInstance);
PFN_vkEnumeratePhysicalDevices fp_vkEnumeratePhysicalDevices = APPLE_FP(vkEnumeratePhysicalDevices);
PFN_vkGetPhysicalDeviceFeatures fp_vkGetPhysicalDeviceFeatures = APPLE_FP(vkGetPhysicalDeviceFeatures);
PFN_vkGetPhysicalDeviceFormatProperties fp_vkGetPhysicalDeviceFormatProperties = APPLE_FP(vkGetPhysicalDeviceFormatProperties);
PFN_vkGetPhysicalDeviceImageFormatProperties fp_vkGetPhysicalDeviceImageFormatProperties =
APPLE_FP(vkGetPhysicalDeviceImageFormatProperties);
PFN_vkGetPhysicalDeviceProperties fp_vkGetPhysicalDeviceProperties = APPLE_FP(vkGetPhysicalDeviceProperties);
PFN_vkGetPhysicalDeviceQueueFamilyProperties fp_vkGetPhysicalDeviceQueueFamilyProperties =
APPLE_FP(vkGetPhysicalDeviceQueueFamilyProperties);
PFN_vkGetPhysicalDeviceMemoryProperties fp_vkGetPhysicalDeviceMemoryProperties = APPLE_FP(vkGetPhysicalDeviceMemoryProperties);
PFN_vkGetInstanceProcAddr fp_vkGetInstanceProcAddr = APPLE_FP(vkGetInstanceProcAddr);
PFN_vkGetDeviceProcAddr fp_vkGetDeviceProcAddr = APPLE_FP(vkGetDeviceProcAddr);
PFN_vkCreateDevice fp_vkCreateDevice = APPLE_FP(vkCreateDevice);
PFN_vkDestroyDevice fp_vkDestroyDevice = APPLE_FP(vkDestroyDevice);
PFN_vkEnumerateDeviceExtensionProperties fp_vkEnumerateDeviceExtensionProperties =
APPLE_FP(vkEnumerateDeviceExtensionProperties);
PFN_vkGetDeviceQueue fp_vkGetDeviceQueue = APPLE_FP(vkGetDeviceQueue);
PFN_vkCreateImage fp_vkCreateImage = APPLE_FP(vkCreateImage);
PFN_vkDestroyImage fp_vkDestroyImage = APPLE_FP(vkDestroyImage);
PFN_vkGetBufferMemoryRequirements fp_vkGetBufferMemoryRequirements = APPLE_FP(vkGetBufferMemoryRequirements);
PFN_vkGetImageMemoryRequirements fp_vkGetImageMemoryRequirements = APPLE_FP(vkGetImageMemoryRequirements);
PFN_vkGetImageSparseMemoryRequirements fp_vkGetImageSparseMemoryRequirements = APPLE_FP(vkGetImageSparseMemoryRequirements);
PFN_vkEnumerateInstanceVersion fp_vkEnumerateInstanceVersion = APPLE_FP(vkEnumerateInstanceVersion);
PFN_vkEnumeratePhysicalDeviceGroups fp_vkEnumeratePhysicalDeviceGroups = APPLE_FP(vkEnumeratePhysicalDeviceGroups);
PFN_vkGetPhysicalDeviceFeatures2 fp_vkGetPhysicalDeviceFeatures2 = APPLE_FP(vkGetPhysicalDeviceFeatures2);
PFN_vkGetPhysicalDeviceProperties2 fp_vkGetPhysicalDeviceProperties2 = APPLE_FP(vkGetPhysicalDeviceProperties2);
PFN_vkGetPhysicalDeviceFormatProperties2 fp_vkGetPhysicalDeviceFormatProperties2 =
APPLE_FP(vkGetPhysicalDeviceFormatProperties2);
PFN_vkGetPhysicalDeviceQueueFamilyProperties2 fp_vkGetPhysicalDeviceQueueFamilyProperties2 =
APPLE_FP(vkGetPhysicalDeviceQueueFamilyProperties2);
PFN_vkGetPhysicalDeviceMemoryProperties2 fp_vkGetPhysicalDeviceMemoryProperties2 =
APPLE_FP(vkGetPhysicalDeviceMemoryProperties2);
PFN_vkDestroySurfaceKHR fp_vkDestroySurfaceKHR = APPLE_FP(vkDestroySurfaceKHR);
#ifdef VK_USE_PLATFORM_XLIB_KHR
PFN_vkCreateXlibSurfaceKHR fp_vkCreateXlibSurfaceKHR = APPLE_FP(vkCreateXlibSurfaceKHR);
PFN_vkGetPhysicalDeviceXlibPresentationSupportKHR fp_vkGetPhysicalDeviceXlibPresentationSupportKHR =
APPLE_FP(vkGetPhysicalDeviceXlibPresentationSupportKHR);
#endif // VK_USE_PLATFORM_XLIB_KHR
#ifdef VK_USE_PLATFORM_XCB_KHR
PFN_vkCreateXcbSurfaceKHR fp_vkCreateXcbSurfaceKHR = APPLE_FP(vkCreateXcbSurfaceKHR);
PFN_vkGetPhysicalDeviceXcbPresentationSupportKHR fp_vkGetPhysicalDeviceXcbPresentationSupportKHR =
APPLE_FP(vkGetPhysicalDeviceXcbPresentationSupportKHR);
#endif // VK_USE_PLATFORM_XCB_KHR
#ifdef VK_USE_PLATFORM_WAYLAND_KHR
PFN_vkCreateWaylandSurfaceKHR fp_vkCreateWaylandSurfaceKHR = APPLE_FP(vkCreateWaylandSurfaceKHR);
PFN_vkGetPhysicalDeviceWaylandPresentationSupportKHR fp_vkGetPhysicalDeviceWaylandPresentationSupportKHR =
APPLE_FP(vkGetPhysicalDeviceWaylandPresentationSupportKHR);
#endif // VK_USE_PLATFORM_WAYLAND_KHR
#ifdef VK_USE_PLATFORM_DIRECTFB_EXT
PFN_vkCreateDirectFBSurfaceEXT fp_vkCreateDirectFBSurfaceEXT = APPLE_FP(vkCreateDirectFBSurfaceEXT);
PFN_vkGetPhysicalDeviceDirectFBPresentationSupportEXT fp_vkGetPhysicalDeviceDirectFBPresentationSupportEXT =
APPLE_FP(vkGetPhysicalDeviceDirectFBPresentationSupportEXT);
#endif // VK_USE_PLATFORM_DIRECTFB_EXT
#ifdef VK_USE_PLATFORM_ANDROID_KHR
PFN_vkCreateAndroidSurfaceKHR fp_vkCreateAndroidSurfaceKHR = APPLE_FP(vkCreateAndroidSurfaceKHR);
#endif // VK_USE_PLATFORM_ANDROID_KHR
#ifdef VK_USE_PLATFORM_WIN32_KHR
PFN_vkCreateWin32SurfaceKHR fp_vkCreateWin32SurfaceKHR = APPLE_FP(vkCreateWin32SurfaceKHR);
PFN_vkGetPhysicalDeviceWin32PresentationSupportKHR fp_vkGetPhysicalDeviceWin32PresentationSupportKHR =
APPLE_FP(vkGetPhysicalDeviceWin32PresentationSupportKHR);
#endif // VK_USE_PLATFORM_WIN32_KHR
#ifdef VK_USE_PLATFORM_MACOS_MVK
PFN_vkCreateMacOSSurfaceMVK fp_vkCreateMacOSSurfaceMVK = APPLE_FP(vkCreateMacOSSurfaceMVK);
#endif // VK_USE_PLATFORM_MACOS_MVK
#ifdef VK_USE_PLATFORM_METAL_EXT
PFN_vkCreateMetalSurfaceEXT fp_vkCreateMetalSurfaceEXT = APPLE_FP(vkCreateMetalSurfaceEXT);
#endif // VK_USE_PLATFORM_METAL_EXT
void InitializeDispatchPointers() {
Load(fp_vkCreateInstance, "vkCreateInstance");
Load(fp_vkDestroyInstance, "vkDestroyInstance");
Load(fp_vkEnumeratePhysicalDevices, "vkEnumeratePhysicalDevices");
Load(fp_vkGetPhysicalDeviceFeatures, "vkGetPhysicalDeviceFeatures");
Load(fp_vkGetPhysicalDeviceFormatProperties, "vkGetPhysicalDeviceFormatProperties");
Load(fp_vkGetPhysicalDeviceImageFormatProperties, "vkGetPhysicalDeviceImageFormatProperties");
Load(fp_vkGetPhysicalDeviceProperties, "vkGetPhysicalDeviceProperties");
Load(fp_vkGetPhysicalDeviceQueueFamilyProperties, "vkGetPhysicalDeviceQueueFamilyProperties");
Load(fp_vkGetPhysicalDeviceMemoryProperties, "vkGetPhysicalDeviceMemoryProperties");
Load(fp_vkGetInstanceProcAddr, "vkGetInstanceProcAddr");
Load(fp_vkGetDeviceProcAddr, "vkGetDeviceProcAddr");
Load(fp_vkCreateDevice, "vkCreateDevice");
Load(fp_vkDestroyDevice, "vkDestroyDevice");
Load(fp_vkEnumerateInstanceExtensionProperties, "vkEnumerateInstanceExtensionProperties");
Load(fp_vkEnumerateDeviceExtensionProperties, "vkEnumerateDeviceExtensionProperties");
Load(fp_vkEnumerateInstanceLayerProperties, "vkEnumerateInstanceLayerProperties");
Load(fp_vkGetDeviceQueue, "vkGetDeviceQueue");
Load(fp_vkCreateImage, "vkCreateImage");
Load(fp_vkDestroyImage, "vkDestroyImage");
Load(fp_vkGetBufferMemoryRequirements, "vkGetBufferMemoryRequirements");
Load(fp_vkGetImageMemoryRequirements, "vkGetImageMemoryRequirements");
Load(fp_vkGetImageSparseMemoryRequirements, "vkGetImageSparseMemoryRequirements");
Load(fp_vkEnumerateInstanceVersion, "vkEnumerateInstanceVersion");
Load(fp_vkEnumeratePhysicalDeviceGroups, "vkEnumeratePhysicalDeviceGroups");
Load(fp_vkGetPhysicalDeviceFeatures2, "vkGetPhysicalDeviceFeatures2");
Load(fp_vkGetPhysicalDeviceProperties2, "vkGetPhysicalDeviceProperties2");
Load(fp_vkGetPhysicalDeviceFormatProperties2, "vkGetPhysicalDeviceFormatProperties2");
Load(fp_vkGetPhysicalDeviceQueueFamilyProperties2, "vkGetPhysicalDeviceQueueFamilyProperties2");
Load(fp_vkGetPhysicalDeviceMemoryProperties2, "vkGetPhysicalDeviceMemoryProperties2");
Load(fp_vkDestroySurfaceKHR, "vkDestroySurfaceKHR");
#ifdef VK_USE_PLATFORM_XLIB_KHR
Load(fp_vkCreateXlibSurfaceKHR, "vkCreateXlibSurfaceKHR");
Load(fp_vkGetPhysicalDeviceXlibPresentationSupportKHR, "vkGetPhysicalDeviceXlibPresentationSupportKHR");
#endif // VK_USE_PLATFORM_XLIB_KHR
#ifdef VK_USE_PLATFORM_XCB_KHR
Load(fp_vkCreateXcbSurfaceKHR, "vkCreateXcbSurfaceKHR");
Load(fp_vkGetPhysicalDeviceXcbPresentationSupportKHR, "vkGetPhysicalDeviceXcbPresentationSupportKHR");
#endif // VK_USE_PLATFORM_XCB_KHR
#ifdef VK_USE_PLATFORM_WAYLAND_KHR
Load(fp_vkCreateWaylandSurfaceKHR, "vkCreateWaylandSurfaceKHR");
Load(fp_vkGetPhysicalDeviceWaylandPresentationSupportKHR, "vkGetPhysicalDeviceWaylandPresentationSupportKHR");
#endif // VK_USE_PLATFORM_WAYLAND_KHR
#ifdef VK_USE_PLATFORM_DIRECTFB_EXT
Load(fp_vkCreateDirectFBSurfaceEXT, "vkCreateDirectFBSurfaceEXT");
Load(fp_vkGetPhysicalDeviceDirectFBPresentationSupportEXT, "vkGetPhysicalDeviceDirectFBPresentationSupportEXT");
#endif // VK_USE_PLATFORM_DIRECTFB_EXT
#ifdef VK_USE_PLATFORM_ANDROID_KHR
Load(fp_vkCreateAndroidSurfaceKHR, "vkCreateAndroidSurfaceKHR");
#endif // VK_USE_PLATFORM_ANDROID_KHR
#ifdef VK_USE_PLATFORM_WIN32_KHR
Load(fp_vkCreateWin32SurfaceKHR, "vkCreateWin32SurfaceKHR");
Load(fp_vkGetPhysicalDeviceWin32PresentationSupportKHR, "vkGetPhysicalDeviceWin32PresentationSupportKHR");
#endif // VK_USE_PLATFORM_WIN32_KHR
#ifdef VK_USE_PLATFORM_MACOS_MVK
Load(fp_vkCreateMacOSSurfaceMVK, "vkCreateMacOSSurfaceMVK");
#endif // VK_USE_PLATFORM_MACOS_MVK
#ifdef VK_USE_PLATFORM_METAL_EXT
Load(fp_vkCreateMetalSurfaceEXT, "vkCreateMetalSurfaceEXT");
#endif // VK_USE_PLATFORM_METAL_EXT
}
private:
template <typename T>
void Load(T &func_dest, const char *func_name) {
#if defined(__linux__) || defined(__FreeBSD__)
func_dest = reinterpret_cast<T>(dlsym(library, func_name));
#elif defined(_WIN32)
func_dest = reinterpret_cast<T>(GetProcAddress(library, func_name));
#endif
}
#if defined(__linux__) || defined(__FreeBSD__)
void *library;
#elif defined(_WIN32)
HMODULE library;
#endif
};
struct ExtensionFunctions {
// Extension pointers, loaded after instance is created
PFN_vkCreateDebugReportCallbackEXT vkCreateDebugReportCallbackEXT;
PFN_vkDestroyDebugReportCallbackEXT vkDestroyDebugReportCallbackEXT;
PFN_vkGetPhysicalDeviceSurfaceSupportKHR vkGetPhysicalDeviceSurfaceSupportKHR{};
PFN_vkGetPhysicalDeviceSurfaceCapabilitiesKHR vkGetPhysicalDeviceSurfaceCapabilitiesKHR{};
PFN_vkGetPhysicalDeviceSurfaceFormatsKHR vkGetPhysicalDeviceSurfaceFormatsKHR{};
PFN_vkGetPhysicalDeviceSurfacePresentModesKHR vkGetPhysicalDeviceSurfacePresentModesKHR{};
PFN_vkGetDeviceGroupPresentCapabilitiesKHR vkGetDeviceGroupPresentCapabilitiesKHR{};
PFN_vkGetPhysicalDeviceSurfaceFormats2KHR vkGetPhysicalDeviceSurfaceFormats2KHR{};
PFN_vkGetPhysicalDeviceProperties2KHR vkGetPhysicalDeviceProperties2KHR{};
PFN_vkGetPhysicalDeviceFormatProperties2KHR vkGetPhysicalDeviceFormatProperties2KHR{};
PFN_vkGetPhysicalDeviceQueueFamilyProperties2KHR vkGetPhysicalDeviceQueueFamilyProperties2KHR{};
PFN_vkGetPhysicalDeviceFeatures2KHR vkGetPhysicalDeviceFeatures2KHR{};
PFN_vkGetPhysicalDeviceMemoryProperties2KHR vkGetPhysicalDeviceMemoryProperties2KHR{};
PFN_vkGetPhysicalDeviceSurfaceCapabilities2KHR vkGetPhysicalDeviceSurfaceCapabilities2KHR{};
PFN_vkGetPhysicalDeviceSurfaceCapabilities2EXT vkGetPhysicalDeviceSurfaceCapabilities2EXT{};
PFN_vkEnumeratePhysicalDeviceGroupsKHR vkEnumeratePhysicalDeviceGroupsKHR{};
PFN_vkGetPhysicalDeviceToolPropertiesEXT vkGetPhysicalDeviceToolPropertiesEXT{};
void LoadInstanceExtensionDispatchPointers(PFN_vkGetInstanceProcAddr vkGetInstanceProcAddr, VkInstance instance) {
this->instance = instance;
this->vkGetInstanceProcAddr = vkGetInstanceProcAddr;
Load(vkCreateDebugReportCallbackEXT, "vkCreateDebugReportCallbackEXT");
Load(vkDestroyDebugReportCallbackEXT, "vkDestroyDebugReportCallbackEXT");
Load(vkGetPhysicalDeviceSurfaceSupportKHR, "vkGetPhysicalDeviceSurfaceSupportKHR");
Load(vkGetPhysicalDeviceSurfaceCapabilitiesKHR, "vkGetPhysicalDeviceSurfaceCapabilitiesKHR");
Load(vkGetPhysicalDeviceSurfaceFormatsKHR, "vkGetPhysicalDeviceSurfaceFormatsKHR");
Load(vkGetPhysicalDeviceSurfaceFormats2KHR, "vkGetPhysicalDeviceSurfaceFormats2KHR");
Load(vkGetPhysicalDeviceSurfacePresentModesKHR, "vkGetPhysicalDeviceSurfacePresentModesKHR");
Load(vkGetDeviceGroupPresentCapabilitiesKHR, "vkGetDeviceGroupPresentCapabilitiesKHR");
Load(vkGetPhysicalDeviceProperties2KHR, "vkGetPhysicalDeviceProperties2KHR");
Load(vkGetPhysicalDeviceFormatProperties2KHR, "vkGetPhysicalDeviceFormatProperties2KHR");
Load(vkGetPhysicalDeviceQueueFamilyProperties2KHR, "vkGetPhysicalDeviceQueueFamilyProperties2KHR");
Load(vkGetPhysicalDeviceFeatures2KHR, "vkGetPhysicalDeviceFeatures2KHR");
Load(vkGetPhysicalDeviceMemoryProperties2KHR, "vkGetPhysicalDeviceMemoryProperties2KHR");
Load(vkGetPhysicalDeviceSurfaceCapabilities2KHR, "vkGetPhysicalDeviceSurfaceCapabilities2KHR");
Load(vkGetPhysicalDeviceSurfaceCapabilities2EXT, "vkGetPhysicalDeviceSurfaceCapabilities2EXT");
Load(vkEnumeratePhysicalDeviceGroupsKHR, "vkEnumeratePhysicalDeviceGroupsKHR");
Load(vkGetPhysicalDeviceToolPropertiesEXT, "vkGetPhysicalDeviceToolPropertiesEXT");
}
private:
PFN_vkGetInstanceProcAddr vkGetInstanceProcAddr;
VkInstance instance;
template <typename T>
void Load(T &dest, const char *name) {
dest = reinterpret_cast<T>(vkGetInstanceProcAddr(instance, name));
}
};
// Forward declarations for pNext chains
struct phys_device_props2_chain;
struct phys_device_mem_props2_chain;
struct phys_device_features2_chain;
struct surface_capabilities2_chain;
struct format_properties2_chain;
void setup_phys_device_props2_chain(VkPhysicalDeviceProperties2& start, std::unique_ptr<phys_device_props2_chain>& chain);
void setup_phys_device_mem_props2_chain(VkPhysicalDeviceMemoryProperties2& start, std::unique_ptr<phys_device_mem_props2_chain>& chain);
void setup_phys_device_features2_chain(VkPhysicalDeviceFeatures2& start, std::unique_ptr<phys_device_features2_chain>& chain);
void setup_surface_capabilities2_chain(VkSurfaceCapabilities2KHR& start, std::unique_ptr<surface_capabilities2_chain>& chain);
void setup_format_properties2_chain(VkFormatProperties2& start, std::unique_ptr<format_properties2_chain>& chain);
/* An ptional contains either a value or nothing. The optional asserts if a value is trying to be gotten but none exist.
* The interface is taken from C++17's <optional> with many aspects removed.
* This class assumes the template type is 'trivial'
*/
namespace util {
template <typename T>
struct vulkaninfo_optional {
using value_type = T;
bool _contains_value = false;
value_type _value;
vulkaninfo_optional() noexcept : _contains_value(false), _value({}) {}
vulkaninfo_optional(T value) noexcept : _contains_value(true), _value(value) {}
explicit operator bool() const noexcept { return _contains_value; }
bool has_value() const noexcept { return _contains_value; }
value_type value() const noexcept {
assert(_contains_value);
return _value;
}
// clang-format off
const value_type* operator->() const { assert(_contains_value); return _value;}
value_type* operator->() { assert(_contains_value); return &_value;}
const value_type& operator*() const& { assert(_contains_value); return _value;}
value_type& operator*() & { assert(_contains_value); return _value;}
const value_type&& operator*() const&& { assert(_contains_value); return _value;}
value_type&& operator*() && { assert(_contains_value); return _value;}
// clang-format on
}; // namespace util
} // namespace util
struct LayerExtensionList {
VkLayerProperties layer_properties;
std::vector<VkExtensionProperties> extension_properties;
};
struct AppInstance;
struct SurfaceExtension {
std::string name;
void (*create_window)(AppInstance &) = nullptr;
VkSurfaceKHR (*create_surface)(AppInstance &) = nullptr;
void (*destroy_window)(AppInstance &) = nullptr;
VkSurfaceKHR surface = VK_NULL_HANDLE;
VkBool32 supports_present = 0;
bool operator==(const SurfaceExtension &other) {
return name == other.name && surface == other.surface && supports_present == other.supports_present;
}
};
struct VulkanVersion {
uint32_t major;
uint32_t minor;
uint32_t patch;
};
VulkanVersion make_vulkan_version(uint32_t version) {
return {VK_VERSION_MAJOR(version), VK_VERSION_MINOR(version), VK_VERSION_PATCH(version)};
}
struct AppInstance {
VkDll dll;
VkInstance instance;
uint32_t instance_version;
VulkanVersion vk_version{};
VkDebugReportCallbackEXT debug_callback = VK_NULL_HANDLE;
ExtensionFunctions ext_funcs;
std::vector<LayerExtensionList> global_layers;
std::vector<VkExtensionProperties> global_extensions; // Instance Extensions
std::vector<std::string> inst_extensions;
std::vector<SurfaceExtension> surface_extensions;
int width = 256, height = 256;
VkSurfaceCapabilitiesKHR surface_capabilities;
#ifdef VK_USE_PLATFORM_WIN32_KHR
HINSTANCE h_instance; // Windows Instance
HWND h_wnd; // window handle
#endif
#ifdef VK_USE_PLATFORM_XCB_KHR
xcb_connection_t *xcb_connection;
xcb_screen_t *xcb_screen;
xcb_window_t xcb_window;
#endif
#ifdef VK_USE_PLATFORM_XLIB_KHR
Display *xlib_display;
Window xlib_window;
#endif
#ifdef VK_USE_PLATFORM_MACOS_MVK
void *macos_window;
#endif
#ifdef VK_USE_PLATFORM_METAL_EXT
void *metal_window;
#endif
#ifdef VK_USE_PLATFORM_WAYLAND_KHR
wl_display *wayland_display;
wl_surface *wayland_surface;
#endif
#ifdef VK_USE_PLATFORM_DIRECTFB_EXT
IDirectFB *dfb;
IDirectFBSurface *directfb_surface;
#endif
#ifdef VK_USE_PLATFORM_ANDROID_KHR // TODO
ANativeWindow *window;
#endif
AppInstance() {
VkResult dllErr = dll.Initialize();
if (dllErr != VK_SUCCESS) {
THROW_ERR("Failed to initialize: Vulkan loader is not installed, not found, or failed to load.");
}
dll.InitializeDispatchPointers();
if (!dll.fp_vkEnumerateInstanceVersion) {
instance_version = VK_API_VERSION_1_0;
} else {
const VkResult err = dll.fp_vkEnumerateInstanceVersion(&instance_version);
if (err) THROW_VK_ERR("vkEnumerateInstanceVersion", err);
}
// fallback to baked header version if loader returns 0 for the patch version
uint32_t patch_version = VK_VERSION_PATCH(instance_version);
if (patch_version == 0) patch_version = VK_VERSION_PATCH(VK_HEADER_VERSION);
vk_version = make_vulkan_version(instance_version);
AppGetInstanceExtensions();
const VkDebugReportCallbackCreateInfoEXT dbg_info = {VK_STRUCTURE_TYPE_DEBUG_REPORT_CALLBACK_CREATE_INFO_EXT, nullptr,
VK_DEBUG_REPORT_ERROR_BIT_EXT | VK_DEBUG_REPORT_WARNING_BIT_EXT,
DbgCallback};
const VkApplicationInfo app_info = {
VK_STRUCTURE_TYPE_APPLICATION_INFO, nullptr, app_short_name, 1, nullptr, 0, instance_version};
AppCompileInstanceExtensionsToEnable();
std::vector<const char *> inst_exts;
for (const auto &ext : inst_extensions) inst_exts.push_back(ext.c_str());
const VkInstanceCreateInfo inst_info = {VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO, &dbg_info, 0, &app_info, 0, nullptr,
static_cast<uint32_t>(inst_exts.size()), inst_exts.data()};
VkResult err = dll.fp_vkCreateInstance(&inst_info, nullptr, &instance);
if (err == VK_ERROR_INCOMPATIBLE_DRIVER) {
std::cerr << "Cannot create Vulkan instance.\n";
std::cerr << "This problem is often caused by a faulty installation of the Vulkan driver or attempting to use a GPU "
"that does not support Vulkan.\n";
THROW_VK_ERR("vkCreateInstance", err);
} else if (err) {
THROW_VK_ERR("vkCreateInstance", err);
}
ext_funcs.LoadInstanceExtensionDispatchPointers(dll.fp_vkGetInstanceProcAddr, instance);
err = ext_funcs.vkCreateDebugReportCallbackEXT(instance, &dbg_info, nullptr, &debug_callback);
if (err != VK_SUCCESS) {
THROW_VK_ERR("vkCreateDebugReportCallbackEXT", err);
}
}
~AppInstance() {
if (debug_callback) ext_funcs.vkDestroyDebugReportCallbackEXT(instance, debug_callback, nullptr);
if (dll.fp_vkDestroyInstance) dll.fp_vkDestroyInstance(instance, nullptr);
dll.Close();
}
AppInstance(const AppInstance &) = delete;
const AppInstance &operator=(const AppInstance &) = delete;
bool CheckExtensionEnabled(std::string extension_to_check) {
return std::any_of(inst_extensions.begin(), inst_extensions.end(),
[extension_to_check](std::string str) { return str == extension_to_check; });
}
/* Gets a list of layer and instance extensions */
void AppGetInstanceExtensions() {
/* Scan layers */
auto global_layer_properties =
GetVector<VkLayerProperties>("vkEnumerateInstanceLayerProperties", dll.fp_vkEnumerateInstanceLayerProperties);
for (const auto &layer : global_layer_properties) {
global_layers.push_back(LayerExtensionList{layer, AppGetGlobalLayerExtensions(layer.layerName)});
}
// Collect global extensions
// Gets instance extensions, if no layer was specified in the first paramteter
global_extensions = AppGetGlobalLayerExtensions(nullptr);
}
void AppCompileInstanceExtensionsToEnable() {
// Get all supported Instance extensions (excl. layer-provided ones)
for (const auto &ext : global_extensions) {
inst_extensions.push_back(ext.extensionName);
}
}
void AddSurfaceExtension(SurfaceExtension ext) { surface_extensions.push_back(ext); }
std::vector<VkExtensionProperties> AppGetGlobalLayerExtensions(const char *layer_name) {
return GetVector<VkExtensionProperties>("vkEnumerateInstanceExtensionProperties",
dll.fp_vkEnumerateInstanceExtensionProperties, layer_name);
}
std::vector<VkPhysicalDevice> FindPhysicalDevices() {
return GetVector<VkPhysicalDevice>("vkEnumeratePhysicalDevices", dll.fp_vkEnumeratePhysicalDevices, instance);
}
};
// --------- Platform Specific Presentation Calls --------- //
//---------------------------Win32---------------------------
#ifdef VK_USE_PLATFORM_WIN32_KHR
// MS-Windows event handling function:
LRESULT CALLBACK WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
return user32_handles->pfnDefWindowProcA(hWnd, uMsg, wParam, lParam);
}
static void AppCreateWin32Window(AppInstance &inst) {
inst.h_instance = GetModuleHandle(nullptr);
WNDCLASSEX win_class;
// Initialize the window class structure:
win_class.cbSize = sizeof(WNDCLASSEX);
win_class.style = CS_HREDRAW | CS_VREDRAW;
win_class.lpfnWndProc = WndProc;
win_class.cbClsExtra = 0;
win_class.cbWndExtra = 0;
win_class.hInstance = inst.h_instance;
win_class.hIcon = user32_handles->pfnLoadIconA(nullptr, IDI_APPLICATION);
win_class.hCursor = LoadCursor(nullptr, IDC_ARROW);
win_class.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
win_class.lpszMenuName = nullptr;
win_class.lpszClassName = app_short_name;
win_class.hInstance = inst.h_instance;
win_class.hIconSm = user32_handles->pfnLoadIconA(nullptr, IDI_WINLOGO);
// Register window class:
if (!user32_handles->pfnRegisterClassExA(&win_class)) {
// It didn't work, so try to give a useful error:
THROW_ERR("Failed to register the window class!");
}
// Create window with the registered class:
RECT wr = {0, 0, inst.width, inst.height};
user32_handles->pfnAdjustWindowRect(&wr, WS_OVERLAPPEDWINDOW, FALSE);
inst.h_wnd = user32_handles->pfnCreateWindowExA(0,
app_short_name, // class name
app_short_name, // app name
// WS_VISIBLE | WS_SYSMENU |
WS_OVERLAPPEDWINDOW, // window style
100, 100, // x/y coords
wr.right - wr.left, // width
wr.bottom - wr.top, // height
nullptr, // handle to parent
nullptr, // handle to menu
inst.h_instance, // hInstance
nullptr); // no extra parameters
if (!inst.h_wnd) {
// It didn't work, so try to give a useful error:
THROW_ERR("Failed to create a window!");
}
}
static VkSurfaceKHR AppCreateWin32Surface(AppInstance &inst) {
VkWin32SurfaceCreateInfoKHR createInfo;
createInfo.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR;
createInfo.pNext = nullptr;
createInfo.flags = 0;
createInfo.hinstance = inst.h_instance;
createInfo.hwnd = inst.h_wnd;
VkSurfaceKHR surface;
VkResult err = inst.dll.fp_vkCreateWin32SurfaceKHR(inst.instance, &createInfo, nullptr, &surface);
if (err) THROW_VK_ERR("vkCreateWin32SurfaceKHR", err);
return surface;
}
static void AppDestroyWin32Window(AppInstance &inst) { user32_handles->pfnDestroyWindow(inst.h_wnd); }
#endif // VK_USE_PLATFORM_WIN32_KHR
//-----------------------------------------------------------
static void AppDestroySurface(AppInstance &inst, VkSurfaceKHR surface) { // same for all platforms
inst.dll.fp_vkDestroySurfaceKHR(inst.instance, surface, nullptr);
}
//----------------------------XCB----------------------------
#ifdef VK_USE_PLATFORM_XCB_KHR
static void AppCreateXcbWindow(AppInstance &inst) {
//--Init Connection--
const xcb_setup_t *setup;
xcb_screen_iterator_t iter;
int scr;
// API guarantees non-null xcb_connection
inst.xcb_connection = xcb_connect(nullptr, &scr);
int conn_error = xcb_connection_has_error(inst.xcb_connection);
if (conn_error) {
fprintf(stderr, "XCB failed to connect to the X server due to error:%d.\n", conn_error);
fflush(stderr);
xcb_disconnect(inst.xcb_connection);
inst.xcb_connection = nullptr;
return;
}
setup = xcb_get_setup(inst.xcb_connection);
iter = xcb_setup_roots_iterator(setup);
while (scr-- > 0) {
xcb_screen_next(&iter);
}
inst.xcb_screen = iter.data;
//-------------------
inst.xcb_window = xcb_generate_id(inst.xcb_connection);
xcb_create_window(inst.xcb_connection, XCB_COPY_FROM_PARENT, inst.xcb_window, inst.xcb_screen->root, 0, 0, inst.width,
inst.height, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT, inst.xcb_screen->root_visual, 0, nullptr);
xcb_intern_atom_cookie_t cookie = xcb_intern_atom(inst.xcb_connection, 1, 12, "WM_PROTOCOLS");
xcb_intern_atom_reply_t *reply = xcb_intern_atom_reply(inst.xcb_connection, cookie, 0);
free(reply);
}
static VkSurfaceKHR AppCreateXcbSurface(AppInstance &inst) {
if (!inst.xcb_connection) {
THROW_ERR("AppCreateXcbSurface failed to establish connection");
}
VkXcbSurfaceCreateInfoKHR xcb_createInfo;
xcb_createInfo.sType = VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR;
xcb_createInfo.pNext = nullptr;
xcb_createInfo.flags = 0;
xcb_createInfo.connection = inst.xcb_connection;
xcb_createInfo.window = inst.xcb_window;
VkSurfaceKHR surface;
VkResult err = inst.dll.fp_vkCreateXcbSurfaceKHR(inst.instance, &xcb_createInfo, nullptr, &surface);
if (err) THROW_VK_ERR("vkCreateXcbSurfaceKHR", err);
return surface;
}
static void AppDestroyXcbWindow(AppInstance &inst) {
if (!inst.xcb_connection) {
return; // Nothing to destroy
}
xcb_destroy_window(inst.xcb_connection, inst.xcb_window);
xcb_disconnect(inst.xcb_connection);
}
#endif // VK_USE_PLATFORM_XCB_KHR
//-----------------------------------------------------------
//----------------------------XLib---------------------------
#ifdef VK_USE_PLATFORM_XLIB_KHR
static void AppCreateXlibWindow(AppInstance &inst) {
long visualMask = VisualScreenMask;
int numberOfVisuals;
inst.xlib_display = XOpenDisplay(nullptr);
if (inst.xlib_display == nullptr) {
THROW_ERR("XLib failed to connect to the X server.\nExiting...");
}
XVisualInfo vInfoTemplate = {};
vInfoTemplate.screen = DefaultScreen(inst.xlib_display);
XVisualInfo *visualInfo = XGetVisualInfo(inst.xlib_display, visualMask, &vInfoTemplate, &numberOfVisuals);
inst.xlib_window = XCreateWindow(inst.xlib_display, RootWindow(inst.xlib_display, vInfoTemplate.screen), 0, 0, inst.width,
inst.height, 0, visualInfo->depth, InputOutput, visualInfo->visual, 0, nullptr);
XSync(inst.xlib_display, false);
XFree(visualInfo);
}
static VkSurfaceKHR AppCreateXlibSurface(AppInstance &inst) {
VkXlibSurfaceCreateInfoKHR createInfo;
createInfo.sType = VK_STRUCTURE_TYPE_XLIB_SURFACE_CREATE_INFO_KHR;
createInfo.pNext = nullptr;
createInfo.flags = 0;
createInfo.dpy = inst.xlib_display;
createInfo.window = inst.xlib_window;
VkSurfaceKHR surface;
VkResult err = inst.dll.fp_vkCreateXlibSurfaceKHR(inst.instance, &createInfo, nullptr, &surface);
if (err) THROW_VK_ERR("vkCreateXlibSurfaceKHR", err);
return surface;
}
static void AppDestroyXlibWindow(AppInstance &inst) {
XDestroyWindow(inst.xlib_display, inst.xlib_window);
XCloseDisplay(inst.xlib_display);
}
#endif // VK_USE_PLATFORM_XLIB_KHR
//-----------------------------------------------------------
//------------------------MACOS_MVK--------------------------
#ifdef VK_USE_PLATFORM_MACOS_MVK
static void AppCreateMacOSWindow(AppInstance &inst) {
inst.macos_window = CreateMetalView(inst.width, inst.height);
if (inst.macos_window == nullptr) {
THROW_ERR("Could not create a native Metal view.\nExiting...");
}
}
static VkSurfaceKHR AppCreateMacOSSurface(AppInstance &inst) {
VkMacOSSurfaceCreateInfoMVK createInfo;
createInfo.sType = VK_STRUCTURE_TYPE_MACOS_SURFACE_CREATE_INFO_MVK;
createInfo.pNext = nullptr;
createInfo.flags = 0;
createInfo.pView = inst.macos_window;
VkSurfaceKHR surface;
VkResult err = inst.dll.fp_vkCreateMacOSSurfaceMVK(inst.instance, &createInfo, nullptr, &surface);
if (err) THROW_VK_ERR("vkCreateMacOSSurfaceMVK", err);
return surface;
}
static void AppDestroyMacOSWindow(AppInstance &inst) { DestroyMetalView(inst.macos_window); }
#endif // VK_USE_PLATFORM_MACOS_MVK
//-----------------------------------------------------------
//------------------------METAL_EXT--------------------------
#ifdef VK_USE_PLATFORM_METAL_EXT
static void AppCreateMetalWindow(AppInstance &inst) {
inst.metal_window = CreateMetalView(inst.width, inst.height);
if (inst.metal_window == nullptr) {
THROW_ERR("Could not create a native Metal view.\nExiting...");
}
}
static VkSurfaceKHR AppCreateMetalSurface(AppInstance &inst) {
VkMetalSurfaceCreateInfoEXT createInfo;
createInfo.sType = VK_STRUCTURE_TYPE_METAL_SURFACE_CREATE_INFO_EXT;
createInfo.pNext = nullptr;
createInfo.flags = 0;
createInfo.pLayer = static_cast<CAMetalLayer *>(GetCAMetalLayerFromMetalView(inst.metal_window));
VkSurfaceKHR surface;
VkResult err = inst.dll.fp_vkCreateMetalSurfaceEXT(inst.instance, &createInfo, nullptr, &surface);
if (err) THROW_VK_ERR("vkCreateMetalSurfaceEXT", err);
return surface;
}
static void AppDestroyMetalWindow(AppInstance &inst) { DestroyMetalView(inst.metal_window); }
#endif // VK_USE_PLATFORM_METAL_EXT
//-----------------------------------------------------------
//-------------------------WAYLAND---------------------------
#ifdef VK_USE_PLATFORM_WAYLAND_KHR
static void wayland_registry_global(void *data, struct wl_registry *registry, uint32_t id, const char *interface,
uint32_t version) {
AppInstance &inst = *static_cast<AppInstance *>(data);
if (strcmp(interface, "wl_compositor") == 0) {
struct wl_compositor *compositor = (struct wl_compositor *)wl_registry_bind(registry, id, &wl_compositor_interface, 1);
inst.wayland_surface = wl_compositor_create_surface(compositor);
}
}
static void wayland_registry_global_remove(void *data, struct wl_registry *registry, uint32_t id) {}
static const struct wl_registry_listener wayland_registry_listener = {wayland_registry_global, wayland_registry_global_remove};
static void AppCreateWaylandWindow(AppInstance &inst) {
inst.wayland_display = wl_display_connect(nullptr);
struct wl_registry *registry = wl_display_get_registry(inst.wayland_display);
wl_registry_add_listener(wl_display_get_registry(inst.wayland_display), &wayland_registry_listener, static_cast<void *>(&inst));
wl_display_roundtrip(inst.wayland_display);
wl_registry_destroy(registry);
}
static VkSurfaceKHR AppCreateWaylandSurface(AppInstance &inst) {
VkWaylandSurfaceCreateInfoKHR createInfo;
createInfo.sType = VK_STRUCTURE_TYPE_WAYLAND_SURFACE_CREATE_INFO_KHR;
createInfo.pNext = nullptr;
createInfo.flags = 0;
createInfo.display = inst.wayland_display;
createInfo.surface = inst.wayland_surface;
VkSurfaceKHR surface;
VkResult err = inst.dll.fp_vkCreateWaylandSurfaceKHR(inst.instance, &createInfo, nullptr, &surface);
if (err) THROW_VK_ERR("vkCreateWaylandSurfaceKHR", err);
return surface;
}
static void AppDestroyWaylandWindow(AppInstance &inst) { wl_display_disconnect(inst.wayland_display); }
#endif // VK_USE_PLATFORM_WAYLAND_KHR
//-----------------------------------------------------------
//-------------------------DIRECTFB--------------------------
#ifdef VK_USE_PLATFORM_DIRECTFB_EXT
static void AppCreateDirectFBWindow(AppInstance &inst) {
DFBResult ret;
ret = DirectFBInit(NULL, NULL);
if (ret) {
THROW_ERR("DirectFBInit failed to initialize DirectFB.\nExiting...");
}
ret = DirectFBCreate(&inst.dfb);
if (ret) {
THROW_ERR("DirectFBCreate failed to create main interface of DirectFB.\nExiting...");
}
DFBSurfaceDescription desc;
desc.flags = (DFBSurfaceDescriptionFlags)(DSDESC_CAPS | DSDESC_WIDTH | DSDESC_HEIGHT);