diff options
Diffstat (limited to 'src/Fl_Gl_Choice.cxx')
| -rw-r--r-- | src/Fl_Gl_Choice.cxx | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/src/Fl_Gl_Choice.cxx b/src/Fl_Gl_Choice.cxx index 041d4e2aa..a4531c20a 100644 --- a/src/Fl_Gl_Choice.cxx +++ b/src/Fl_Gl_Choice.cxx @@ -263,7 +263,8 @@ static void del_context(GLContext ctx) { #if defined(USE_X11) GLContext fl_create_gl_context(XVisualInfo* vis) { - GLContext shared_ctx = context_list ? context_list[0] : 0; + GLContext shared_ctx = 0; + if (context_list && nContext) shared_context = context_list[0]; GLContext context = glXCreateContext(fl_display, vis, shared_ctx, 1); if (context) add_context(context); @@ -286,7 +287,7 @@ GLContext fl_create_gl_context(Fl_Window* window, const Fl_Gl_Choice* g, int lay GLContext context = layer ? wglCreateLayerContext(hdc, layer) : wglCreateContext(hdc); if (context) { - if (context_list && context_list[0]) + if (context_list && nContext) wglShareLists(context_list[0], context); add_context(context); } @@ -296,7 +297,8 @@ GLContext fl_create_gl_context(Fl_Window* window, const Fl_Gl_Choice* g, int lay # elif defined(__APPLE_QUARTZ__) // warning: the Quartz version should probably use Core GL (CGL) instead of AGL GLContext fl_create_gl_context(Fl_Window* window, const Fl_Gl_Choice* g, int layer) { - GLContext context, shared_ctx = context_list ? context_list[0] : 0; + GLContext context, shared_ctx = 0; + if (context_list && nContext) shared_ctx = context_list[0]; context = aglCreateContext( g->pixelformat, shared_ctx); if (!context) return 0; add_context((GLContext)context); @@ -349,6 +351,8 @@ void fl_no_gl_context() { wglMakeCurrent(0, 0); # elif defined(__APPLE_QUARTZ__) // warning: the Quartz version should probably use Core GL (CGL) instead of AGL + AGLContext ctx = aglGetCurrentContext(); + if (ctx) aglSetDrawable(ctx, NULL); aglSetCurrentContext(0); # else # error unsupported platform @@ -363,8 +367,6 @@ void fl_delete_gl_context(GLContext context) { wglDeleteContext(context); # elif defined(__APPLE_QUARTZ__) // warning: the Quartz version should probably use Core GL (CGL) instead of AGL - aglSetCurrentContext( NULL ); - aglSetDrawable( context, NULL ); aglDestroyContext( context ); # else # error unsupported platform |