1 /************************************************************************** 2 * 3 * Copyright 2010 Luca Barbieri 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining 6 * a copy of this software and associated documentation files (the 7 * "Software"), to deal in the Software without restriction, including 8 * without limitation the rights to use, copy, modify, merge, publish, 9 * distribute, sublicense, and/or sell copies of the Software, and to 10 * permit persons to whom the Software is furnished to do so, subject to 11 * the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the 14 * next paragraph) shall be included in all copies or substantial 15 * portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE 21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 * 25 **************************************************************************/ 26 27 #define INITGUID 28 #include "d3d10app.h" 29 #include "stdio.h" 30 31 static d3d10_application* app; 32 static IDXGISwapChain* swap_chain; 33 static unsigned width, height; 34 static DXGI_FORMAT format = DXGI_FORMAT_R8G8B8A8_UNORM; 35 static ID3D10Device* dev; 36 static ID3D10Device* ctx; 37 static int frames = 0; 38 static int buffer_count = 1; 39 40 LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam) 41 { 42 switch (message) 43 { 44 case WM_SIZE: 45 width = lParam & 0xffff; 46 height = lParam >> 16; 47 48 swap_chain->ResizeBuffers(buffer_count, width, height, format, 0); 49 frames = 0; 50 break; 51 case WM_DESTROY: 52 PostQuitMessage(0); 53 break; 54 default: 55 return DefWindowProc(hwnd, message, wParam, lParam); 56 } 57 return 0; 58 } 59 60 int main(int argc, char** argv) 61 { 62 HINSTANCE hInstance = GetModuleHandle(NULL); 63 WNDCLASSEXA wcex; 64 65 wcex.cbSize = sizeof(WNDCLASSEX); 66 67 wcex.style = CS_HREDRAW | CS_VREDRAW; 68 wcex.lpfnWndProc = WndProc; 69 wcex.cbClsExtra = 0; 70 wcex.cbWndExtra = 0; 71 wcex.hInstance = hInstance; 72 wcex.hIcon = 0; 73 wcex.hCursor = LoadCursor(NULL, IDC_ARROW); 74 wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1); 75 wcex.lpszMenuName = 0; 76 wcex.lpszClassName = "d3d10"; 77 wcex.hIconSm = 0; 78 79 RegisterClassExA(&wcex); 80 81 HWND hwnd = CreateWindowA("d3d10", "d3d10", WS_OVERLAPPEDWINDOW, 82 CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL); 83 84 if(!hwnd) 85 return FALSE; 86 87 RECT rc; 88 GetClientRect(hwnd, &rc ); 89 width = rc.right - rc.left; 90 height = rc.bottom - rc.top; 91 92 DXGI_SWAP_CHAIN_DESC swap_chain_desc; 93 memset(&swap_chain_desc, 0, sizeof(swap_chain_desc)); 94 swap_chain_desc.BufferDesc.Width = width; 95 swap_chain_desc.BufferDesc.Height = height; 96 swap_chain_desc.BufferDesc.Format = format; 97 swap_chain_desc.SampleDesc.Count = 1; 98 swap_chain_desc.SampleDesc.Quality = 0; 99 swap_chain_desc.OutputWindow = hwnd; 100 swap_chain_desc.Windowed = TRUE; 101 swap_chain_desc.BufferCount = buffer_count; 102 swap_chain_desc.Flags = DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH; 103 swap_chain_desc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT; 104 swap_chain_desc.SwapEffect = DXGI_SWAP_EFFECT_DISCARD; 105 106 D3D10_FEATURE_LEVEL1 feature_level = D3D10_FEATURE_LEVEL_10_0; 107 108 HRESULT hr; 109 if(1) 110 { 111 hr = D3D10CreateDeviceAndSwapChain( 112 NULL, 113 D3D10_DRIVER_TYPE_HARDWARE, 114 NULL, 115 D3D10_CREATE_DEVICE_SINGLETHREADED, // | D3D10_CREATE_DEVICE_DEBUG, 116 D3D10_SDK_VERSION, 117 &swap_chain_desc, 118 &swap_chain, 119 &dev); 120 } 121 else 122 { 123 hr = D3D10CreateDeviceAndSwapChain1( 124 NULL, 125 D3D10_DRIVER_TYPE_HARDWARE, 126 NULL, 127 D3D10_CREATE_DEVICE_SINGLETHREADED, // | D3D10_CREATE_DEVICE_DEBUG, 128 feature_level, 129 D3D10_SDK_VERSION, 130 &swap_chain_desc, 131 &swap_chain, 132 (ID3D10Device1**)&dev); 133 } 134 135 if(!SUCCEEDED(hr)) 136 { 137 fprintf(stderr, "Failed to create D3D10 device (hresult %08x)\n", hr); 138 return 1; 139 } 140 141 ctx = dev; 142 143 app = d3d10_application_create(); 144 if(!app->init(dev, argc, argv)) 145 return 1; 146 147 ShowWindow(hwnd, SW_SHOWDEFAULT); 148 UpdateWindow(hwnd); 149 150 LARGE_INTEGER freq; 151 QueryPerformanceFrequency(&freq); 152 double period = 1.0 / (double)freq.QuadPart; 153 LARGE_INTEGER ctime_li; 154 QueryPerformanceCounter(&ctime_li); 155 double start_time = ctime_li.QuadPart * period; 156 157 MSG msg; 158 for(;;) 159 { 160 if(PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) 161 { 162 if(msg.message == WM_QUIT) 163 break; 164 TranslateMessage(&msg); 165 DispatchMessage(&msg); 166 } 167 else if(width && height) 168 { 169 ID3D10Texture2D* tex; 170 static ID3D10RenderTargetView* rtv; 171 ensure(swap_chain->GetBuffer(0, __uuidof(tex), (void**)&tex)); 172 ensure(dev->CreateRenderTargetView(tex, NULL, &rtv)); 173 174 QueryPerformanceCounter(&ctime_li); 175 double ctime = (double)ctime_li.QuadPart * period - start_time; 176 177 app->draw(ctx, rtv, width, height, ctime); 178 ctx->OMSetRenderTargets(0, 0, 0); 179 180 swap_chain->Present(0, 0); 181 rtv->Release(); 182 tex->Release(); 183 } 184 else 185 WaitMessage(); 186 } 187 return (int) msg.wParam; 188 } 189
