d3d11x11main.cpp revision 6c598c78bd17642d731cf57b8369cc794f64ba2f 
1#include "d3d11app.h"
2#include <X11/Xlib.h>
3#include <GL/glx.h>
4#include <galliumdxgi.h>
5#include <sys/time.h>
6
7static d3d11_application* app;
8static IDXGISwapChain* swap_chain;
9unsigned width, height;
10DXGI_FORMAT format = DXGI_FORMAT_R8G8B8A8_UNORM;
11static ID3D11Device* dev;
12static ID3D11DeviceContext* ctx;
13
14static int attributeList[] = {
15		GLX_RGBA,
16		GLX_RED_SIZE, 8,
17		GLX_GREEN_SIZE, 8,
18		GLX_BLUE_SIZE, 8,
19		None
20};
21
22double get_time()
23{
24	struct timeval tv;
25	gettimeofday(&tv, 0);
26	return (double)tv.tv_sec + (double)tv.tv_usec * 0.000001;
27}
28
29int main(int argc, char** argv)
30{
31	Display* dpy = XOpenDisplay(0);
32	XVisualInfo* vi = glXChooseVisual(dpy, DefaultScreen(dpy), attributeList);
33	Colormap cmap = XCreateColormap(dpy, RootWindow(dpy, vi->screen), vi->visual, AllocNone);
34	XSetWindowAttributes swa;
35	swa.colormap = cmap;
36	swa.border_pixel = 0;
37	swa.event_mask = StructureNotifyMask;
38	width = 512;
39	height = 512;
40	Window win = XCreateWindow(dpy, RootWindow(dpy, vi->screen), 0, 0, width, height, 0, vi->depth, InputOutput, vi->visual, CWBorderPixel | CWColormap| CWEventMask, &swa);
41	XMapWindow(dpy, win);
42
43	GalliumDXGIUseX11Display(dpy, 0);
44
45	DXGI_SWAP_CHAIN_DESC swap_chain_desc;
46	memset(&swap_chain_desc, 0, sizeof(swap_chain_desc));
47	swap_chain_desc.BufferDesc.Width = width;
48	swap_chain_desc.BufferDesc.Height = height;
49	swap_chain_desc.BufferDesc.Format = format;
50	swap_chain_desc.SampleDesc.Count = 1;
51	swap_chain_desc.SampleDesc.Quality = 0;
52	swap_chain_desc.OutputWindow = (HWND)win;
53	swap_chain_desc.Windowed = TRUE;
54	swap_chain_desc.BufferCount = 3;
55	swap_chain_desc.Flags = DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH;
56	swap_chain_desc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
57
58	D3D_FEATURE_LEVEL feature_level = D3D_FEATURE_LEVEL_10_0;
59
60	HRESULT hr =D3D11CreateDeviceAndSwapChain(
61		NULL,
62		D3D_DRIVER_TYPE_HARDWARE,
63		NULL,
64		D3D11_CREATE_DEVICE_SINGLETHREADED,
65		NULL,
66		0,
67		D3D11_SDK_VERSION,
68		&swap_chain_desc,
69		&swap_chain,
70		&dev,
71		&feature_level,
72		&ctx);
73	if(!SUCCEEDED(hr))
74	{
75		fprintf(stderr, "Failed to create D3D11 device (hresult %08x)\n", hr);
76		return 1;
77	}
78
79	app = d3d11_application_create();
80	if(!app->init(dev, argc, argv))
81		return 1;
82
83	double start_time = get_time();
84
85	MSG msg;
86	for(;;)
87	{
88		XEvent event;
89		if(XPending(dpy))
90		{
91			XNextEvent(dpy, &event);
92			if(event.type == DestroyNotify)
93				break;
94			switch(event.type)
95			{
96			case ConfigureNotify:
97				width = event.xconfigure.width;
98				height = event.xconfigure.height;
99				swap_chain->ResizeBuffers(3, width, height, format, 0);
100				break;
101			}
102		}
103		else if(width && height)
104		{
105			ID3D11Texture2D* tex;
106			ID3D11RenderTargetView* rtv;
107			ensure(swap_chain->GetBuffer(0, IID_ID3D11Texture2D, (void**)&tex));
108			ensure(dev->CreateRenderTargetView(tex, NULL, &rtv));
109
110			double ctime = get_time() - start_time;
111
112			app->draw(ctx, rtv, width, height, ctime);
113			ctx->OMSetRenderTargets(0, 0, 0);
114
115			tex->Release();
116			rtv->Release();
117			swap_chain->Present(0, 0);
118		}
119		else
120			XPeekEvent(dpy, &event);
121	}
122	return (int) msg.wParam;
123}
124