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
| //////////////////////////////////////////////////////////////////////////////////////////////
/// CreateMainContext
//////////////////////////////////////////////////////////////////////////////////////////////
HGLRC CreateMainContext()
{
// On définit le context par défault !!
MMechostr ( 1, " ************Définition du Contexte par default!! ********************\n" ) ;
ZDetector detect ;
int pf=0;
HDC hdc ;
PIXELFORMATDESCRIPTOR pfd;
HWND hwnd = CreateWindow("scolGL", "scolGL", WS_CHILD, 0, 0, 1, 1, HScol, NULL, NULL, 0);
hdc = GetDC(hwnd);
MMechostr(1," *********************** Format de pixel par défaut *********************\n") ;
ZeroMemory(&pfd, sizeof(pfd));
pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR);
pfd.nVersion = 1;
pfd.dwFlags = PFD_DRAW_TO_WINDOW|PFD_SUPPORT_OPENGL|PFD_DOUBLEBUFFER|PFD_TYPE_RGBA|WGL_SAMPLE_BUFFERS_EXT|WGL_SAMPLES_EXT ;
pfd.iPixelType = PFD_TYPE_RGBA;
pfd.cColorBits = 32;
pfd.cDepthBits = 32;
pfd.cRedBits = 0;
pfd.cRedShift = 0;
pfd.cGreenBits = 0;
pfd.cGreenShift = 0;
pfd.cBlueBits = 0;
pfd.cBlueShift = 0;
pfd.cAlphaBits = 0;
pfd.cAlphaShift = 0;
pfd.cAccumBits = 0;
pfd.cAccumRedBits = 0;
pfd.cAccumGreenBits = 0;
pfd.cAccumBlueBits = 0;
pfd.cAccumAlphaBits = 0;
pfd.cStencilBits = 0;
pfd.cAuxBuffers = 0;
pfd.iLayerType = PFD_MAIN_PLANE;
pfd.bReserved = 0;
pfd.dwLayerMask = 0;
pfd.dwVisibleMask = 0;
pfd.dwDamageMask = 0;
// On créer le contexte OpenGl par défaut
MMechostr(1, "***************** Contexte openGL par defaut!!!****************************\n") ;
if(!(pf = ChoosePixelFormat(hdc, &pfd)))
{
MMechostr(1, "Failed to choose pixel format." );
return NULL;
}
if(!SetPixelFormat(hdc, pf, &pfd))
{
MMechostr(1, "Failed to set pixel format." );
return NULL ;
}
mainBPP = 1;
mainDEPTH = pfd.cColorBits;
mainDBLBUF = 1;
mainPIXELFORMAT = pf;
mainhdc = hdc;
mainglrc = wglCreateContext(hdc);
if(wglGetCurrentContext()!=mainglrc) wglMakeCurrent(hdc,mainglrc);
if ( detect.WGLisExtensionSupported ("GL_ARB_multisample") == false)
{
MMechostr(1, "***************** Le multisampling n'est pas pris en charge****************************\n") ;
arbMultisampleSupported = false ;
mainhwnd = hwnd;
return mainglrc ;
}
// Création du nouveau contexte avec prise en charge du multisampling
if ( detect.WGLisExtensionSupported ("GL_ARB_multisample") == true)
{
MMechostr(1, "***************** Le format de pixel multisampling est pris en charge!!!****************************\n") ;
arbMultisampleSupported = true ;
int valid;
UINT numFormats;
float fAttributes[] = {0,0};
int iAttributes[] =
{
WGL_DRAW_TO_WINDOW_ARB,GL_TRUE,
WGL_SUPPORT_OPENGL_ARB,GL_TRUE,
WGL_ACCELERATION_ARB,WGL_FULL_ACCELERATION_ARB,
WGL_COLOR_BITS_ARB,24,
WGL_ALPHA_BITS_ARB,8,
WGL_DEPTH_BITS_ARB,16,
WGL_STENCIL_BITS_ARB,0,
WGL_DOUBLE_BUFFER_ARB,GL_TRUE,
WGL_SAMPLE_BUFFERS_ARB,GL_TRUE,
WGL_SAMPLES_ARB,4,
0,0
};
PFNWGLCHOOSEPIXELFORMATARBPROC wglChoosePixelFormatARB = (PFNWGLCHOOSEPIXELFORMATARBPROC)wglGetProcAddress("wglChoosePixelFormatARB");
MMechostr(1, "--> Chargement du process : OK\n" );
// First We Check To See If We Can Get A Pixel Format For 4 Samples
valid = wglChoosePixelFormatARB(hdc,iAttributes,fAttributes,1,&pf,&numFormats) ;
mainBPP = 1;
mainDEPTH = pfd.cColorBits;
mainDBLBUF = 1;
mainPIXELFORMAT = pf;
mainhdc = hdc;
mainglrc = wglCreateContext(hdc);
if(wglGetCurrentContext()!=mainglrc) wglMakeCurrent(hdc,mainglrc);
if(mainglrc)
{
if(wglMakeCurrent(NULL,NULL)==FALSE) MMechostr(1, "------ Can't set the current rendering context to NULL ! ------\n" );
if(wglDeleteContext(mainglrc)==FALSE) MMechostr(1, "------ Can't delete the MAIN rendering context ! ------\n" );
else MMechostr(1, "--> mainglrc released : OK\n" );
}
if(mainhdc)
{
if(ReleaseDC(mainhwnd, mainhdc)==0) MMechostr(1, "------ Can't release the MAIN device context ! ------\n" );
else MMechostr(1, "--> mainhdc released : OK\n" );
}
if(mainhwnd)
{
if(DestroyWindow(mainhwnd)==0) MMechostr(1, "------ Can't destroy the MAIN window ! ------\n" );
else MMechostr(1, "--> mainhwnd released : OK\n" );
}
mainhwnd = hwnd;
return mainglrc ;
return mainglrc ;
}
} |
