Tony Barbour | 2f18b29 | 2016-02-25 15:44:10 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 Google, Inc. |
| 3 | * |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 5 | * copy of this software and associated documentation files (the "Software"), |
| 6 | * to deal in the Software without restriction, including without limitation |
| 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 8 | * and/or sell copies of the Software, and to permit persons to whom the |
| 9 | * Software is furnished to do so, subject to the following conditions: |
| 10 | * |
| 11 | * The above copyright notice and this permission notice shall be included |
| 12 | * in all copies or substantial portions of the Software. |
| 13 | * |
| 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 17 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| 19 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| 20 | * DEALINGS IN THE SOFTWARE. |
| 21 | */ |
| 22 | |
| 23 | #include <cassert> |
| 24 | #include <iostream> |
| 25 | #include <sstream> |
| 26 | |
| 27 | #include "Helpers.h" |
| 28 | #include "Game.h" |
| 29 | #include "ShellWin32.h" |
| 30 | |
| 31 | namespace { |
| 32 | |
| 33 | class Win32Timer { |
| 34 | public: |
| 35 | Win32Timer() |
| 36 | { |
| 37 | LARGE_INTEGER freq; |
| 38 | QueryPerformanceFrequency(&freq); |
| 39 | freq_ = static_cast<double>(freq.QuadPart); |
| 40 | |
| 41 | reset(); |
| 42 | } |
| 43 | |
| 44 | void reset() |
| 45 | { |
| 46 | QueryPerformanceCounter(&start_); |
| 47 | } |
| 48 | |
| 49 | double get() const |
| 50 | { |
| 51 | LARGE_INTEGER now; |
| 52 | QueryPerformanceCounter(&now); |
| 53 | |
| 54 | return static_cast<double>(now.QuadPart - start_.QuadPart) / freq_; |
| 55 | } |
| 56 | |
| 57 | private: |
| 58 | double freq_; |
| 59 | LARGE_INTEGER start_; |
| 60 | }; |
| 61 | |
| 62 | } // namespace |
| 63 | |
| 64 | ShellWin32::ShellWin32(Game &game) : Shell(game), hwnd_(nullptr) |
| 65 | { |
| 66 | instance_extensions_.push_back(VK_KHR_WIN32_SURFACE_EXTENSION_NAME); |
| 67 | init_vk(); |
| 68 | } |
| 69 | |
| 70 | ShellWin32::~ShellWin32() |
| 71 | { |
| 72 | cleanup_vk(); |
| 73 | FreeLibrary(hmodule_); |
| 74 | } |
| 75 | |
| 76 | void ShellWin32::create_window() |
| 77 | { |
| 78 | const std::string class_name(settings_.name + "WindowClass"); |
| 79 | |
| 80 | hinstance_ = GetModuleHandle(nullptr); |
| 81 | |
| 82 | WNDCLASSEX win_class = {}; |
| 83 | win_class.cbSize = sizeof(WNDCLASSEX); |
| 84 | win_class.style = CS_HREDRAW | CS_VREDRAW; |
| 85 | win_class.lpfnWndProc = window_proc; |
| 86 | win_class.hInstance = hinstance_; |
| 87 | win_class.hCursor = LoadCursor(nullptr, IDC_ARROW); |
| 88 | win_class.lpszClassName = class_name.c_str(); |
| 89 | RegisterClassEx(&win_class); |
| 90 | |
| 91 | const DWORD win_style = |
| 92 | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_VISIBLE | WS_OVERLAPPEDWINDOW; |
| 93 | |
| 94 | RECT win_rect = { 0, 0, settings_.initial_width, settings_.initial_height }; |
| 95 | AdjustWindowRect(&win_rect, win_style, false); |
| 96 | |
| 97 | hwnd_ = CreateWindowEx(WS_EX_APPWINDOW, |
| 98 | class_name.c_str(), |
| 99 | settings_.name.c_str(), |
| 100 | win_style, |
| 101 | 0, |
| 102 | 0, |
| 103 | win_rect.right - win_rect.left, |
| 104 | win_rect.bottom - win_rect.top, |
| 105 | nullptr, |
| 106 | nullptr, |
| 107 | hinstance_, |
| 108 | nullptr); |
| 109 | |
| 110 | SetForegroundWindow(hwnd_); |
| 111 | SetWindowLongPtr(hwnd_, GWLP_USERDATA, (LONG_PTR) this); |
| 112 | } |
| 113 | |
| 114 | PFN_vkGetInstanceProcAddr ShellWin32::load_vk() |
| 115 | { |
| 116 | const char filename[] = "vulkan-1.dll"; |
| 117 | HMODULE mod; |
| 118 | PFN_vkGetInstanceProcAddr get_proc; |
| 119 | |
| 120 | mod = LoadLibrary(filename); |
| 121 | if (mod) { |
| 122 | get_proc = reinterpret_cast<PFN_vkGetInstanceProcAddr>(GetProcAddress( |
| 123 | mod, "vkGetInstanceProcAddr")); |
| 124 | } |
| 125 | |
| 126 | if (!mod || !get_proc) { |
| 127 | std::stringstream ss; |
| 128 | ss << "failed to load " << filename; |
| 129 | |
| 130 | if (mod) |
| 131 | FreeLibrary(mod); |
| 132 | |
| 133 | throw std::runtime_error(ss.str()); |
| 134 | } |
| 135 | |
| 136 | hmodule_ = mod; |
| 137 | |
| 138 | return get_proc; |
| 139 | } |
| 140 | |
| 141 | bool ShellWin32::can_present(VkPhysicalDevice phy, uint32_t queue_family) |
| 142 | { |
Dustin Graves | 20f5fc0 | 2016-04-06 10:16:05 -0600 | [diff] [blame] | 143 | return vk::GetPhysicalDeviceWin32PresentationSupportKHR( |
| 144 | phy, queue_family) == VK_TRUE; |
Tony Barbour | 2f18b29 | 2016-02-25 15:44:10 -0700 | [diff] [blame] | 145 | } |
| 146 | |
| 147 | VkSurfaceKHR ShellWin32::create_surface(VkInstance instance) |
| 148 | { |
| 149 | VkWin32SurfaceCreateInfoKHR surface_info = {}; |
| 150 | surface_info.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR; |
| 151 | surface_info.hinstance = hinstance_; |
| 152 | surface_info.hwnd = hwnd_; |
| 153 | |
| 154 | VkSurfaceKHR surface; |
| 155 | vk::assert_success(vk::CreateWin32SurfaceKHR(instance, &surface_info, nullptr, &surface)); |
| 156 | |
| 157 | return surface; |
| 158 | } |
| 159 | |
| 160 | LRESULT ShellWin32::handle_message(UINT msg, WPARAM wparam, LPARAM lparam) |
| 161 | { |
| 162 | switch (msg) { |
| 163 | case WM_SIZE: |
| 164 | { |
| 165 | UINT w = LOWORD(lparam); |
| 166 | UINT h = HIWORD(lparam); |
| 167 | resize_swapchain(w, h); |
| 168 | } |
| 169 | break; |
| 170 | case WM_KEYDOWN: |
| 171 | { |
| 172 | Game::Key key; |
| 173 | |
| 174 | switch (wparam) { |
| 175 | case VK_ESCAPE: |
| 176 | key = Game::KEY_ESC; |
| 177 | break; |
| 178 | case VK_UP: |
| 179 | key = Game::KEY_UP; |
| 180 | break; |
| 181 | case VK_DOWN: |
| 182 | key = Game::KEY_DOWN; |
| 183 | break; |
| 184 | case VK_SPACE: |
| 185 | key = Game::KEY_SPACE; |
| 186 | break; |
| 187 | default: |
| 188 | key = Game::KEY_UNKNOWN; |
| 189 | break; |
| 190 | } |
| 191 | |
| 192 | game_.on_key(key); |
| 193 | } |
| 194 | break; |
| 195 | case WM_CLOSE: |
| 196 | game_.on_key(Game::KEY_SHUTDOWN); |
| 197 | break; |
| 198 | case WM_DESTROY: |
| 199 | quit(); |
| 200 | break; |
| 201 | default: |
| 202 | return DefWindowProc(hwnd_, msg, wparam, lparam); |
| 203 | break; |
| 204 | } |
| 205 | |
| 206 | return 0; |
| 207 | } |
| 208 | |
| 209 | void ShellWin32::quit() |
| 210 | { |
| 211 | PostQuitMessage(0); |
| 212 | } |
| 213 | |
| 214 | void ShellWin32::run() |
| 215 | { |
| 216 | create_window(); |
| 217 | |
| 218 | create_context(); |
| 219 | resize_swapchain(settings_.initial_width, settings_.initial_height); |
| 220 | |
| 221 | Win32Timer timer; |
| 222 | double current_time = timer.get(); |
| 223 | |
| 224 | while (true) { |
| 225 | bool quit = false; |
| 226 | |
| 227 | assert(settings_.animate); |
| 228 | |
| 229 | // process all messages |
| 230 | MSG msg; |
| 231 | while (PeekMessage(&msg, nullptr, 0, 0, PM_REMOVE)) { |
| 232 | if (msg.message == WM_QUIT) { |
| 233 | quit = true; |
| 234 | break; |
| 235 | } |
| 236 | |
| 237 | TranslateMessage(&msg); |
| 238 | DispatchMessage(&msg); |
| 239 | } |
| 240 | |
| 241 | if (quit) |
| 242 | break; |
| 243 | |
| 244 | acquire_back_buffer(); |
| 245 | |
| 246 | double t = timer.get(); |
| 247 | add_game_time(static_cast<float>(t - current_time)); |
| 248 | |
| 249 | present_back_buffer(); |
| 250 | |
| 251 | current_time = t; |
| 252 | } |
| 253 | |
| 254 | destroy_context(); |
| 255 | |
| 256 | DestroyWindow(hwnd_); |
| 257 | } |