1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
|
#include <windows.h>
#include <windowsx.h>
#include <d3d9.h>
#define SCREEN_WIDTH 800
#define SCREEN_HEIGHT 600
LPDIRECT3D9 d3d;
LPDIRECT3DDEVICE9 d3ddev;
LPDIRECT3DVERTEXBUFFER9 v_buffer = NULL; // the pointer to the v buffer
void initD3D(HWND);
void render_frame(void);
void cleanD3D(void);
void init_graphics(void);
#define CUSTOMFVF (D3DFVF_XYZRHW | D3DFVF_DIFFUSE)
typedef struct CUSTOMVERTEXT{
FLOAT X,Y,Z,RHW;
DWORD COLOR;
}CUSTOMVERTEXT;
LRESULT CALLBACK winProc(HWND, UINT, WPARAM, LPARAM);
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE pevInstance, LPSTR lpCmdLine,
int cmdShow)
{
HWND hwnd;
WNDCLASSEX wc;
ZeroMemory(&wc, sizeof(WNDCLASSEX));
wc.cbSize = sizeof(WNDCLASSEX);
wc.style = CS_HREDRAW | CS_VREDRAW;
wc.lpfnWndProc = winProc;
wc.hInstance = hInstance;
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
//wc.hbrBackground = (HBRUSH)COLOR_WINDOW;
wc.lpszClassName = L"WindowClass";
RegisterClassEx(&wc);
hwnd = CreateWindowEx(NULL,
L"WindowClass",
L"Our First D3D Program",
WS_POPUP|WS_VSCROLL|WS_HSCROLL,
0,0,
SCREEN_WIDTH,SCREEN_HEIGHT,
NULL,
NULL,
hInstance,
NULL);
ShowWindow(hwnd, cmdShow);
// init D3D
initD3D(hwnd);
// enter main loop
MSG msg;
while (TRUE)
{
while(PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
if(msg.message == WM_QUIT)
break;
render_frame();
}
// clean up DirectX and COM
cleanD3D();
return msg.wParam;
}
LRESULT CALLBACK winProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
switch (message)
{
case WM_DESTROY:
PostQuitMessage(0);
return 0;
}
return DefWindowProc(hwnd,message,wParam,lParam);
}
void initD3D(HWND hwnd)
{
d3d = Direct3DCreate9(D3D_SDK_VERSION); // create the d3d interface
D3DPRESENT_PARAMETERS d3dpp; // create a struct to old device info
ZeroMemory(&d3dpp, sizeof(d3dpp)); // clear out struct
d3dpp.Windowed = TRUE;
d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD; // discard old frames
d3dpp.hDeviceWindow = hwnd; // set window to be used by d3d
d3dpp.BackBufferFormat = D3DFMT_X8R8G8B8;
d3dpp.BackBufferWidth = SCREEN_WIDTH;
d3dpp.BackBufferHeight = SCREEN_HEIGHT;
// create the device
d3d->CreateDevice(D3DADAPTER_DEFAULT,
D3DDEVTYPE_HAL,
hwnd,
D3DCREATE_SOFTWARE_VERTEXPROCESSING,
&d3dpp,
&d3ddev);
init_graphics();
}
void render_frame()
{
// clear the window to a deep blue
d3ddev->Clear(0, NULL, D3DCLEAR_TARGET, D3DCOLOR_XRGB(0, 40, 100), 1.0f, 0);
d3ddev->BeginScene();
d3ddev->SetFVF(CUSTOMFVF);
d3ddev->SetStreamSource(0,v_buffer,0,sizeof(CUSTOMVERTEXT));
d3ddev->DrawPrimitive(D3DPT_TRIANGLELIST,0,1);
d3ddev->EndScene();
d3ddev->Present(NULL,NULL,NULL,NULL);
}
void cleanD3D(void)
{
v_buffer->Release();
d3ddev->Release();
d3d->Release();
}
void init_graphics(void) // check the comas if program doesnt run
{
//create the vertices using the custom vertext struct
static int i = 0;
CUSTOMVERTEXT vertices[] = {
{400.0f, 62.5f, 0.5f, 1.0f, D3DCOLOR_XRGB(0,0,255)},
{650.0f, 500.0f, 0.5f, 1.0f, D3DCOLOR_XRGB(0,255,0)},
{150.0f, 500.0f, 0.5f, 1.0f, D3DCOLOR_XRGB(255,0,0)}};
//create the vertext buffer
d3ddev->CreateVertexBuffer(3*sizeof(CUSTOMVERTEXT),
0,
CUSTOMFVF,
D3DPOOL_MANAGED,
&v_buffer,
NULL);
VOID* pVoid; // void pointer
// lock vert buffer and load verts into
v_buffer->Lock(0,0,(void**)&pVoid,0);
memcpy(pVoid,vertices,sizeof(vertices));
v_buffer->Unlock();
}
| |
