1 #include "d3d11app.h" 2 #include <X11/Xlib.h> 3 #include <galliumdxgi.h> 4 #include <sys/time.h> 5 6 static d3d11_application* app; 7 static IDXGISwapChain* swap_chain; 8 unsigned width, height; 9 DXGI_FORMAT format = DXGI_FORMAT_R8G8B8A8_UNORM; 10 static ID3D11Device* dev; 11 static ID3D11DeviceContext* ctx; 12 13 double get_time() 14 { 15 struct timeval tv; 16 gettimeofday(&tv, 0); 17 return (double)tv.tv_sec + (double)tv.tv_usec * 0.000001; 18 } 19 20 int main(int argc, char** argv) 21 { 22 Display* dpy = XOpenDisplay(0); 23 Visual* visual = DefaultVisual(dpy, DefaultScreen(dpy)); 24 Colormap cmap = XCreateColormap(dpy, RootWindow(dpy, DefaultScreen(dpy)), visual, AllocNone); 25 XSetWindowAttributes swa; 26 swa.colormap = cmap; 27 swa.border_pixel = 0; 28 swa.event_mask = StructureNotifyMask; 29 width = 512; 30 height = 512; 31 Window win = XCreateWindow(dpy, RootWindow(dpy, DefaultScreen(dpy)), 0, 0, width, height, 0, CopyFromParent, InputOutput, visual, CWBorderPixel | CWColormap| CWEventMask, &swa); 32 XMapWindow(dpy, win); 33 34 GalliumDXGIUseX11Display(dpy, 0); 35 36 DXGI_SWAP_CHAIN_DESC swap_chain_desc; 37 memset(&swap_chain_desc, 0, sizeof(swap_chain_desc)); 38 swap_chain_desc.BufferDesc.Width = width; 39 swap_chain_desc.BufferDesc.Height = height; 40 swap_chain_desc.BufferDesc.Format = format; 41 swap_chain_desc.SampleDesc.Count = 1; 42 swap_chain_desc.SampleDesc.Quality = 0; 43 swap_chain_desc.OutputWindow = (HWND)win; 44 swap_chain_desc.Windowed = TRUE; 45 swap_chain_desc.BufferCount = 3; 46 swap_chain_desc.Flags = DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH; 47 swap_chain_desc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT; 48 49 D3D_FEATURE_LEVEL feature_level = D3D_FEATURE_LEVEL_10_0; 50 51 HRESULT hr =D3D11CreateDeviceAndSwapChain( 52 NULL, 53 D3D_DRIVER_TYPE_HARDWARE, 54 NULL, 55 D3D11_CREATE_DEVICE_SINGLETHREADED, 56 NULL, 57 0, 58 D3D11_SDK_VERSION, 59 &swap_chain_desc, 60 &swap_chain, 61 &dev, 62 &feature_level, 63 &ctx); 64 if(!SUCCEEDED(hr)) 65 { 66 fprintf(stderr, "Failed to create D3D11 device (hresult %08x)\n", hr); 67 return 1; 68 } 69 70 app = d3d11_application_create(); 71 if(!app->init(dev, argc, argv)) 72 return 1; 73 74 double start_time = get_time(); 75 76 MSG msg; 77 for(;;) 78 { 79 XEvent event; 80 if(XPending(dpy)) 81 { 82 XNextEvent(dpy, &event); 83 if(event.type == DestroyNotify) 84 break; 85 switch(event.type) 86 { 87 case ConfigureNotify: 88 width = event.xconfigure.width; 89 height = event.xconfigure.height; 90 swap_chain->ResizeBuffers(3, width, height, format, 0); 91 break; 92 } 93 } 94 else if(width && height) 95 { 96 ID3D11Texture2D* tex; 97 ID3D11RenderTargetView* rtv; 98 ensure(swap_chain->GetBuffer(0, IID_ID3D11Texture2D, (void**)&tex)); 99 ensure(dev->CreateRenderTargetView(tex, NULL, &rtv)); 100 101 double ctime = get_time() - start_time; 102 103 app->draw(ctx, rtv, width, height, ctime); 104 ctx->OMSetRenderTargets(0, 0, 0); 105 106 tex->Release(); 107 rtv->Release(); 108 swap_chain->Present(0, 0); 109 } 110 else 111 XPeekEvent(dpy, &event); 112 } 113 return (int) msg.wParam; 114 } 115
