Commit | Line | Data |
---|---|---|
524c47aa | 1 | /////////////////////////////////////////////////////////////////////////////// |
233f5738 | 2 | // Name: src/osx/glcanvas_osx.cpp |
524c47aa SC |
3 | // Purpose: wxGLCanvas, for using OpenGL with wxWidgets under Macintosh |
4 | // Author: Stefan Csomor | |
5 | // Modified by: | |
6 | // Created: 1998-01-01 | |
b5b208a1 | 7 | // RCS-ID: $Id$ |
524c47aa SC |
8 | // Copyright: (c) Stefan Csomor |
9 | // Licence: wxWindows licence | |
10 | /////////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | // ============================================================================ | |
13 | // declarations | |
14 | // ============================================================================ | |
15 | ||
16 | // ---------------------------------------------------------------------------- | |
17 | // headers | |
18 | // ---------------------------------------------------------------------------- | |
19 | ||
20 | #include "wx/wxprec.h" | |
21 | ||
22 | #if defined(__BORLANDC__) | |
23 | #pragma hdrstop | |
24 | #endif | |
25 | ||
26 | #if wxUSE_GLCANVAS | |
27 | ||
28 | #include "wx/glcanvas.h" | |
29 | ||
30 | #ifndef WX_PRECOMP | |
31 | #include "wx/frame.h" | |
32 | #include "wx/log.h" | |
33 | #include "wx/settings.h" | |
34 | #endif | |
35 | ||
36 | #include "wx/osx/private.h" | |
37 | ||
38 | // ---------------------------------------------------------------------------- | |
39 | // wxGLCanvas | |
40 | // ---------------------------------------------------------------------------- | |
41 | ||
42 | wxGLContext::wxGLContext(wxGLCanvas *win, const wxGLContext *other) | |
43 | { | |
44 | m_glContext = WXGLCreateContext(win->GetWXGLPixelFormat(), | |
45 | other ? other->m_glContext : NULL); | |
46 | } | |
47 | ||
48 | wxGLContext::~wxGLContext() | |
49 | { | |
50 | if ( m_glContext ) | |
51 | { | |
52 | WXGLDestroyContext(m_glContext); | |
53 | } | |
54 | } | |
55 | ||
56 | // ---------------------------------------------------------------------------- | |
57 | // wxGLCanvas | |
58 | // ---------------------------------------------------------------------------- | |
59 | ||
60 | IMPLEMENT_CLASS(wxGLCanvas, wxWindow) | |
61 | ||
62 | BEGIN_EVENT_TABLE(wxGLCanvas, wxWindow) | |
01a33e96 | 63 | #if wxOSX_USE_CARBON |
524c47aa | 64 | EVT_SIZE(wxGLCanvas::OnSize) |
01a33e96 | 65 | #endif |
524c47aa SC |
66 | END_EVENT_TABLE() |
67 | ||
68 | wxGLCanvas::wxGLCanvas(wxWindow *parent, | |
69 | wxWindowID id, | |
70 | const int *attribList, | |
71 | const wxPoint& pos, | |
72 | const wxSize& size, | |
73 | long style, | |
74 | const wxString& name, | |
75 | const wxPalette& palette) | |
76 | { | |
77 | Create(parent, id, pos, size, style, name, attribList, palette); | |
78 | } | |
79 | ||
80 | #if WXWIN_COMPATIBILITY_2_8 | |
81 | ||
82 | wxGLCanvas::wxGLCanvas(wxWindow *parent, | |
83 | wxWindowID id, | |
84 | const wxPoint& pos, | |
85 | const wxSize& size, | |
86 | long style, | |
87 | const wxString& name, | |
88 | const int *attribList, | |
89 | const wxPalette& palette) | |
90 | { | |
91 | if ( Create(parent, id, pos, size, style, name, attribList, palette) ) | |
92 | m_glContext = new wxGLContext(this); | |
93 | } | |
94 | ||
95 | wxGLCanvas::wxGLCanvas(wxWindow *parent, | |
96 | const wxGLContext *shared, | |
97 | wxWindowID id, | |
98 | const wxPoint& pos, | |
99 | const wxSize& size, | |
100 | long style, | |
101 | const wxString& name, | |
102 | const int *attribList, | |
103 | const wxPalette& palette) | |
104 | { | |
105 | if ( Create(parent, id, pos, size, style, name, attribList, palette) ) | |
106 | m_glContext = new wxGLContext(this, shared); | |
107 | } | |
108 | ||
109 | wxGLCanvas::wxGLCanvas(wxWindow *parent, | |
110 | const wxGLCanvas *shared, | |
111 | wxWindowID id, | |
112 | const wxPoint& pos, | |
113 | const wxSize& size, | |
114 | long style, | |
115 | const wxString& name, | |
116 | const int *attribList, | |
117 | const wxPalette& palette) | |
118 | { | |
119 | if ( Create(parent, id, pos, size, style, name, attribList, palette) ) | |
120 | m_glContext = new wxGLContext(this, shared ? shared->m_glContext : NULL); | |
121 | } | |
122 | ||
123 | #endif // WXWIN_COMPATIBILITY_2_8 | |
124 | ||
125 | /* static */ | |
126 | bool wxGLCanvas::IsAGLMultiSampleAvailable() | |
127 | { | |
128 | static int s_isMultiSampleAvailable = -1; | |
129 | if ( s_isMultiSampleAvailable == -1 ) | |
130 | s_isMultiSampleAvailable = IsExtensionSupported("GL_ARB_multisample"); | |
131 | ||
132 | return s_isMultiSampleAvailable != 0; | |
133 | } | |
134 | ||
135 | /* static */ | |
136 | bool wxGLCanvasBase::IsDisplaySupported(const int *attribList) | |
137 | { | |
138 | WXGLPixelFormat glFormat = WXGLChoosePixelFormat(attribList); | |
139 | ||
140 | if ( !glFormat ) | |
141 | return false; | |
142 | ||
143 | WXGLDestroyPixelFormat(glFormat); | |
144 | ||
145 | return true; | |
146 | } | |
147 | ||
524c47aa SC |
148 | bool wxGLCanvasBase::IsExtensionSupported(const char *extension) |
149 | { | |
150 | // we need a valid context to query for extensions. | |
151 | WXGLPixelFormat fmt = WXGLChoosePixelFormat(NULL); | |
152 | WXGLContext ctx = WXGLCreateContext(fmt, NULL); | |
153 | if ( !ctx ) | |
154 | return false; | |
155 | ||
b6ccc13c VZ |
156 | WXGLContext ctxOld = WXGLGetCurrentContext(); |
157 | WXGLSetCurrentContext(ctx); | |
880a2b69 | 158 | |
524c47aa SC |
159 | wxString extensions = wxString::FromAscii(glGetString(GL_EXTENSIONS)); |
160 | ||
b6ccc13c | 161 | WXGLSetCurrentContext(ctxOld); |
524c47aa SC |
162 | WXGLDestroyPixelFormat(fmt); |
163 | WXGLDestroyContext(ctx); | |
164 | ||
e6ba3887 | 165 | return IsExtensionInList(extensions.ToAscii(), extension); |
524c47aa SC |
166 | } |
167 | ||
168 | // ---------------------------------------------------------------------------- | |
169 | // wxGLApp | |
170 | // ---------------------------------------------------------------------------- | |
171 | ||
172 | bool wxGLApp::InitGLVisual(const int *attribList) | |
173 | { | |
174 | WXGLPixelFormat fmt = WXGLChoosePixelFormat(attribList); | |
175 | if ( !fmt ) | |
176 | return false; | |
177 | ||
178 | WXGLDestroyPixelFormat(fmt); | |
179 | return true; | |
180 | } | |
181 | ||
182 | #endif // wxUSE_GLCANVAS |