diff options
Diffstat (limited to 'FL/Fl_Gl_Window.H')
| -rw-r--r-- | FL/Fl_Gl_Window.H | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/FL/Fl_Gl_Window.H b/FL/Fl_Gl_Window.H index 4b28c18ed..78d3e3ab6 100644 --- a/FL/Fl_Gl_Window.H +++ b/FL/Fl_Gl_Window.H @@ -149,6 +149,7 @@ public: - \c FL_DEPTH - depth buffer - \c FL_STENCIL - stencil buffer - \c FL_MULTISAMPLE - multisample antialiasing + - \c FL_OPENGL3 - use OpenGL version 3.0 or more when running Mac OS. FL_RGB and FL_SINGLE have a value of zero, so they are "on" unless you give FL_INDEX or FL_DOUBLE. @@ -167,6 +168,19 @@ public: mode() must not be called within draw() since it changes the current context. + + \note On the <b>MSWindows and Unix/Linux platforms</b>, FLTK produces + contexts for the highest OpenGL version supported by the hardware. Such contexts + are also compatible with lower OpenGL versions. On the <b>Apple OS X + platform</b>, it is necessary to decide whether the source code targets + OpenGL versions higher or lower than 3.0. By default, FLTK + creates contexts adequate for OpenGL versions 1 and 2. To get contexts + for OpenGL 3.0 or higher, the <tt>FL_OPENGL3</tt> flag and Mac OS + version 10.7 or higher are required (in that case the context is NOT + compatible with OpenGL versions 1 or 2). The <tt>FL_OPENGL3</tt> flag has no + effect on non-Apple platforms. + + \version the <tt>FL_OPENGL3</tt> flag appeared in version 1.3.4 */ int mode(int a) {return mode(a,0);} /** Set the OpenGL capabilites of the window using platform-specific data. @@ -179,8 +193,6 @@ public: <p><b>Mac OS X platform</b>: attributes belong to the <tt>CGLPixelFormatAttribute</tt> enumeration (defined by including <tt><OpenGL/OpenGL.h></tt>, e.g., <tt>kCGLPFADoubleBuffer</tt>) and may be followed by adequate attribute values. - The pair <tt>kCGLPFAOpenGLProfile, kCGLOGLPVersion_3_2_Core</tt> allows to create an OpenGL V3.2 profile - under Mac OS X 10.7 and above (and include <OpenGL/gl3.h> to define OpenGL 3 symbols). */ int mode(const int *a) {return mode(0, a);} /** Returns a pointer to the GLContext that this window is using. |