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osx: Fixed bug with creating context twice.

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We should assign context and pixel_format vars to null to avoid
multiple context creation.
This commit is contained in:
Roman Kudiyarov 2010-07-16 19:46:17 +07:00 committed by Robert Bragg
parent 50793eac51
commit 8c69a639cb
1 changed files with 27 additions and 24 deletions
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49
clutter/osx/clutter-backend-osx.c
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@ -80,31 +80,32 @@ clutter_backend_osx_create_context (ClutterBackend *backend,
{ {
ClutterBackendOSX *backend_osx = CLUTTER_BACKEND_OSX (backend); ClutterBackendOSX *backend_osx = CLUTTER_BACKEND_OSX (backend);
CLUTTER_OSX_POOL_ALLOC(); CLUTTER_OSX_POOL_ALLOC();
if ( backend_osx->context == nil)
{
/* Allocate ourselves a GL context. Since we're supposed to have only one per
* backend we can just as well create it now.
*/
NSOpenGLPixelFormatAttribute attrs[] = {
NSOpenGLPFADoubleBuffer,
NSOpenGLPFADepthSize, 24,
NSOpenGLPFAStencilSize, 8,
0
};
/* Allocate ourselves a GL context. Since we're supposed to have only one per backend_osx->pixel_format = [[NSOpenGLPixelFormat alloc] initWithAttributes:attrs];
* backend we can just as well create it now. backend_osx->context = [[NSOpenGLContext alloc]
*/ initWithFormat: backend_osx->pixel_format
NSOpenGLPixelFormatAttribute attrs[] = { shareContext: nil];
NSOpenGLPFADoubleBuffer, /* Enable vblank sync - http://developer.apple.com/qa/qa2007/qa1521.html */
NSOpenGLPFADepthSize, 24, #ifdef MAC_OS_X_VERSION_10_5
NSOpenGLPFAStencilSize, 8, const int sw = 1;
0 #else
}; const long sw = 1;
#endif
backend_osx->pixel_format = [[NSOpenGLPixelFormat alloc] initWithAttributes:attrs]; [backend_osx->context setValues:&sw forParameter: NSOpenGLCPSwapInterval];
backend_osx->context = [[NSOpenGLContext alloc] }
initWithFormat: backend_osx->pixel_format
shareContext: nil];
/* Enable vblank sync - http://developer.apple.com/qa/qa2007/qa1521.html */
#ifdef MAC_OS_X_VERSION_10_5
const int sw = 1;
#else
const long sw = 1;
#endif
[backend_osx->context setValues:&sw forParameter: NSOpenGLCPSwapInterval];
[backend_osx->context makeCurrentContext]; [backend_osx->context makeCurrentContext];
CLUTTER_NOTE (BACKEND, "Context was created"); CLUTTER_NOTE (BACKEND, "Context was created");
CLUTTER_OSX_POOL_RELEASE(); CLUTTER_OSX_POOL_RELEASE();
return TRUE; return TRUE;
@ -156,8 +157,10 @@ clutter_backend_osx_redraw (ClutterBackend *backend, ClutterStage *wrapper)
/*************************************************************************/ /*************************************************************************/
static void static void
clutter_backend_osx_init (ClutterBackendOSX *self) clutter_backend_osx_init (ClutterBackendOSX *backend_osx)
{ {
backend_osx->context = nil;
backend_osx->pixel_format = nil;
} }
static void static void