(g_D3D->CreateDevice(D3DADAPTER_DEFAULT,
D3DDEVTYPE_HAL, hWnd, D3DCREATE_HARDWARE_VERTEXPROCESSING,
&d3dpp, &g_D3DDevice))) return false;
// Initialize any objects we will be displaying.
if(!InitializeObjects()) return false;
return true;
}
bool InitializeObjects()
{
unsigned long col = D3DCOLOR_XRGB(255, 255, 255);
// Fill in our structure to draw an object.
// x, y, z, color.
stD3DVertex objData[] =
{
{ 420.0f, 150.0f, 0.5f, col, },
{ 420.0f, 350.0f, 0.5f, col, },
{ 220.0f, 150.0f, 0.5f, col, },
{ 220.0f, 350.0f, 0.5f, col, },
};
// Create the vertex buffer.
if(FAILED(g_D3DDevice->CreateVertexBuffer(sizeof(objData), 0,
D3DFVF_VERTEX, D3DPOOL_DEFAULT, &g_VertexBuffer,
NULL))) return false;
// Fill the vertex buffer.
void *ptr;
if(FAILED(g_VertexBuffer->Lock(0, sizeof(objData),
(void**)&ptr, 0))) return false;
memcpy(ptr, objData, sizeof(objData));
g_VertexBuffer->Unlock();
return true;
}
void RenderScene()
{
// Clear the backbuffer.
g_D3DDevice->Clear(0, NULL, D3DCLEAR_TARGET,
D3DCOLOR_XRGB(0,0,0), 1.0f, 0);
// Begin the scene. Start rendering.
g_D3DDevice->BeginScene();
// Render object.
g_D3DDevice->SetStreamSource(0, g_VertexBuffer, 0,
sizeof(stD3DVertex));
g_D3DDevice->SetFVF(D3DFVF_VERTEX);
g_D3DDevice->DrawPrimitive(D3DPT_LINELIST, 0, 2);
// End the scene. Stop rendering.
g_D3DDevice->EndScene();
// Display the scene.
g_D3DDevice->Present(NULL, NULL, NULL, NULL);
}
void Shutdown()
{
if(g_D3DDevice != NULL) g_D3DDevice->Release();
if(g_D3D != NULL) g_D3D->Release();
if(g_VertexBuffer != NULL) g_VertexBuffer->Release();
g_D3DDevice = NULL;
g_D3D = NULL;
g_VertexBuffer = NULL;
}
#include
#pragma comment(lib, "d3d9.lib")
#pragma comment(lib, "d3dx9.lib")
#define WINDOW_CLASS "UGPDX"
#define WINDOW_NAME "Drawing Lines"
// Function Prototypes...
bool InitializeD3D(HWND hWnd, bool fullscreen);
bool InitializeObjects();
void RenderScene();
void Shutdown();
// Direct3D object and device.
LPDIRECT3D9 g_D3D = NULL;
LPDIRECT3DDEVICE9 g_D3DDevice = NULL;
// Vertex buffer to hold the geometry.
LPDIRECT3DVERTEXBUFFER9 g_VertexBuffer = NULL;
// A structure for our custom vertex type
struct stD3DVertex
{
float x, y, z;
unsigned long color;
};
// Our custom FVF, which describes our custom vertex structure.
#define D3DFVF_VERTEX (D3DFVF_XYZ | D3DFVF_DIFFUSE)
LRESULT WINAPI MsgProc(HWND hWnd, UINT msg, WPARAM wp, LPARAM lp)
{
switch(msg)
{
case WM_DESTROY:
PostQuitMessage(0);
return 0;
break;
case WM_KEYUP:
if(wp == VK_ESCAPE) PostQuitMessage(0);
break;
}
return DefWindowProc(hWnd, msg, wp, lp);
}
int WINAPI WinMain(HINSTANCE hInst, HINSTANCE prevhInst,
LPSTR cmdLine, int show)
{
// Register the window class
WNDCLASSEX wc = { sizeof(WNDCLASSEX), CS_CLASSDC, MsgProc,
0, 0, GetModuleHandle(NULL), NULL, NULL,
NULL, NULL, WINDOW_CLASS, NULL };
RegisterClassEx(&wc);
// Create the application's window
HWND hWnd = CreateWindow(WINDOW_CLASS, WINDOW_NAME,
WS_OVERLAPPEDWINDOW, 100, 100,
640, 480, GetDesktopWindow(), NULL,
wc.hInstance, NULL);
// Initialize Direct3D
if(InitializeD3D(hWnd, false))
{
// Show the window
ShowWindow(hWnd, SW_SHOWDEFAULT);
UpdateWindow(hWnd);
// Enter the message loop
MSG msg;
ZeroMemory(&msg, sizeof(msg));
while(msg.message != WM_QUIT)
{
if(PeekMessage(&msg, NULL, 0U, 0U, PM_REMOVE))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
else
RenderScene();
}
}
/ |