void EnableOpenGL (HWND hWnd, HDC *hDC, HGLRC *hRC)
{
PIXELFORMATDESCRIPTOR pfd;
int iFormat; /* get the device context (DC) */
*hDC = GetDC (hWnd); /* set the pixel format for the DC */
ZeroMemory (&pfd, sizeof (pfd));
pfd.nSize = sizeof (pfd);
pfd.nVersion = 1;
pfd.dwFlags = PFD_DRAW_TO_WINDOW |
PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
pfd.iPixelType = PFD_TYPE_RGBA;
pfd.cColorBits = 24;
pfd.cDepthBits = 16;
pfd.iLayerType = PFD_MAIN_PLANE;
iFormat = ChoosePixelFormat (*hDC, &pfd);
SetPixelFormat (*hDC, iFormat, &pfd); /* create and enable the render context (RC) */
*hRC = wglCreateContext( *hDC );
wglMakeCurrent( *hDC, *hRC ); }
/******************
* Disable OpenGL
*
******************/ void DisableOpenGL (HWND hWnd, HDC hDC, HGLRC hRC)
{
wglMakeCurrent (NULL, NULL);
wglDeleteContext (hRC);
ReleaseDC (hWnd, hDC);
}

#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <windowsx.h>
#include <tchar.h>
#include <d3d9.h>
LPDIRECT3D9 g_pD3D;
LPDIRECT3DDEVICE9 g_pD3DDevice; HRESULT InitializeD3D(HWND hWnd)
{ if (NULL == (g_pD3D=Direct3DCreate9(D3D_SDK_VERSION)))
{
return FALSE;
} D3DPRESENT_PARAMETERS d3dpp;
ZeroMemory(&d3dpp, sizeof(d3dpp));
d3dpp.Windowed = TRUE;
d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
d3dpp.BackBufferFormat = D3DFMT_UNKNOWN; if (FAILED(g_pD3D->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, hWnd, D3DCREATE_SOFTWARE_VERTEXPROCESSING, &d3dpp, &g_pD3DDevice)))
{
return E_FAIL;
}
return TRUE;
} void Render()
{
g_pD3DDevice->Clear(0, NULL, D3DCLEAR_TARGET, D3DCOLOR_XRGB(45, 50, 170), 1.0f, 0); if (SUCCEEDED(g_pD3DDevice->BeginScene()))
{
g_pD3DDevice->EndScene();
} g_pD3DDevice->Present(NULL, NULL, NULL, NULL);
} void Cleanup()
{
if (g_pD3DDevice != NULL)
{
g_pD3DDevice->Release();
}
if (g_pD3D != NULL)
{
g_pD3D->Release();
}
} LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
switch (message)
{
case WM_DESTROY:
Cleanup();
PostQuitMessage(0);
return 0; case WM_PAINT:
Render();
ValidateRect(hWnd, NULL);
return 0;
} return DefWindowProc(hWnd, message, wParam, lParam);
}
int APIENTRY WinMain(HINSTANCE hInstance , HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{ WNDCLASSEX wc = {sizeof(WNDCLASSEX), CS_CLASSDC,
WndProc, 0L, 0L, GetModuleHandle(NULL), NULL, NULL,
NULL, NULL, TEXT("ClassName"), NULL
};
RegisterClassEx(&wc); HWND hWnd = CreateWindow(_T("ClassName"), _T("第一个窗口"), WS_OVERLAPPEDWINDOW,
200, 100, 640, 480,
NULL, NULL, wc.hInstance, NULL); if (SUCCEEDED(InitializeD3D(hWnd)))
{
ShowWindow(hWnd, SW_SHOWDEFAULT);
UpdateWindow(hWnd); MSG msg;
ZeroMemory(&msg, sizeof(msg)); while (msg.message != WM_QUIT)
{
if (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
else
{
Render();
}
} } UnregisterClass(_T("ClassName"), wc.hInstance);
return 0;
}


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