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#include "d3d11app.h"
#include <X11/Xlib.h>
#include <galliumdxgi.h>
#include <sys/time.h>
static d3d11_application* app;
static IDXGISwapChain* swap_chain;
unsigned width, height;
DXGI_FORMAT format = DXGI_FORMAT_R8G8B8A8_UNORM;
static ID3D11Device* dev;
static ID3D11DeviceContext* ctx;
double get_time()
{
struct timeval tv;
gettimeofday(&tv, 0);
return (double)tv.tv_sec + (double)tv.tv_usec * 0.000001;
}
int main(int argc, char** argv)
{
Display* dpy = XOpenDisplay(0);
Visual* visual = DefaultVisual(dpy, DefaultScreen(dpy));
Colormap cmap = XCreateColormap(dpy, RootWindow(dpy, DefaultScreen(dpy)), visual, AllocNone);
XSetWindowAttributes swa;
swa.colormap = cmap;
swa.border_pixel = 0;
swa.event_mask = StructureNotifyMask;
width = 512;
height = 512;
Window win = XCreateWindow(dpy, RootWindow(dpy, DefaultScreen(dpy)), 0, 0, width, height, 0, CopyFromParent, InputOutput, visual, CWBorderPixel | CWColormap| CWEventMask, &swa);
XMapWindow(dpy, win);
GalliumDXGIUseX11Display(dpy, 0);
DXGI_SWAP_CHAIN_DESC swap_chain_desc;
memset(&swap_chain_desc, 0, sizeof(swap_chain_desc));
swap_chain_desc.BufferDesc.Width = width;
swap_chain_desc.BufferDesc.Height = height;
swap_chain_desc.BufferDesc.Format = format;
swap_chain_desc.SampleDesc.Count = 1;
swap_chain_desc.SampleDesc.Quality = 0;
swap_chain_desc.OutputWindow = (HWND)win;
swap_chain_desc.Windowed = TRUE;
swap_chain_desc.BufferCount = 3;
swap_chain_desc.Flags = DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH;
swap_chain_desc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
D3D_FEATURE_LEVEL feature_level = D3D_FEATURE_LEVEL_10_0;
HRESULT hr =D3D11CreateDeviceAndSwapChain(
NULL,
D3D_DRIVER_TYPE_HARDWARE,
NULL,
D3D11_CREATE_DEVICE_SINGLETHREADED,
NULL,
0,
D3D11_SDK_VERSION,
&swap_chain_desc,
&swap_chain,
&dev,
&feature_level,
&ctx);
if(!SUCCEEDED(hr))
{
fprintf(stderr, "Failed to create D3D11 device (hresult %08x)\n", hr);
return 1;
}
app = d3d11_application_create();
if(!app->init(dev, argc, argv))
return 1;
double start_time = get_time();
MSG msg;
for(;;)
{
XEvent event;
if(XPending(dpy))
{
XNextEvent(dpy, &event);
if(event.type == DestroyNotify)
break;
switch(event.type)
{
case ConfigureNotify:
width = event.xconfigure.width;
height = event.xconfigure.height;
swap_chain->ResizeBuffers(3, width, height, format, 0);
break;
}
}
else if(width && height)
{
ID3D11Texture2D* tex;
ID3D11RenderTargetView* rtv;
ensure(swap_chain->GetBuffer(0, IID_ID3D11Texture2D, (void**)&tex));
ensure(dev->CreateRenderTargetView(tex, NULL, &rtv));
double ctime = get_time() - start_time;
app->draw(ctx, rtv, width, height, ctime);
ctx->OMSetRenderTargets(0, 0, 0);
tex->Release();
rtv->Release();
swap_chain->Present(0, 0);
}
else
XPeekEvent(dpy, &event);
}
return (int) msg.wParam;
}
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