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Fixed OpenGL shared context handling (STR #2135)

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git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@6806 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Matthias Melcher 2009-06-30 13:38:45 +00:00
parent 7e7a74203a
commit f1473b972f
3 changed files with 9 additions and 6 deletions
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1
CHANGES
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@ -1,5 +1,6 @@
CHANGES IN FLTK 1.3.0
- Fixed OpenGL shared context handling (STR #2135)
- Fixed gray-scale images with alpha channel (STR #2105)
- Fixed unexpected shortcut behavior for Win32 (STR #2199)
- Fixed documentation for Fl_Progress (STR #2209)

12
src/Fl_Gl_Choice.cxx
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@ -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

2
src/Fl_Gl_Window.cxx
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@ -181,8 +181,8 @@ void Fl_Gl_Window::make_current() {
xywh[2] = w();
xywh[3] = h();
aglEnable(context_, AGL_BUFFER_RECT);
aglSetInteger(context_, AGL_BUFFER_RECT, xywh);
aglEnable(context_, AGL_BUFFER_RECT);
// printf("make_current: xywh=[%d %d %d %d]\n", xywh[0], xywh[1], xywh[2], xywh[3]);
#endif // __APPLE__