diff options
Diffstat (limited to 'src/egl/main/eglglobals.c')
-rw-r--r-- | src/egl/main/eglglobals.c | 66 |
1 files changed, 39 insertions, 27 deletions
diff --git a/src/egl/main/eglglobals.c b/src/egl/main/eglglobals.c index 55de394ef5f..e93b48e03b8 100644 --- a/src/egl/main/eglglobals.c +++ b/src/egl/main/eglglobals.c @@ -1,41 +1,53 @@ #include <stdlib.h> +#include <assert.h> #include "eglglobals.h" +#include "egldisplay.h" #include "egllog.h" +#include "eglmutex.h" -struct _egl_global _eglGlobal = -{ - EGL_FALSE -}; -/** - * Init the fields in the _eglGlobal struct - * May be safely called more than once. - */ -void -_eglInitGlobals(void) +#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) + + +static _EGL_DECLARE_MUTEX(_eglGlobalMutex); +struct _egl_global _eglGlobal = { - if (!_eglGlobal.Initialized) { - _eglGlobal.Displays = _eglNewHashTable(); - _eglGlobal.Surfaces = _eglNewHashTable(); - _eglGlobal.FreeScreenHandle = 1; - _eglGlobal.Initialized = EGL_TRUE; + &_eglGlobalMutex, /* Mutex */ + 1, /* FreeScreenHandle */ + 0x0, /* ClientAPIsMask */ + { 0x0 }, /* ClientAPIs */ + 0, /* NumDrivers */ + { NULL }, /* Drivers */ + 0, /* NumAtExitCalls */ + { NULL }, /* AtExitCalls */ +}; - _eglGlobal.ClientAPIsMask = 0x0; - if (!_eglInitCurrent()) - _eglLog(_EGL_FATAL, "failed to initialize \"current\" system"); - } +static void +_eglAtExit(void) +{ + EGLint i; + for (i = _eglGlobal.NumAtExitCalls - 1; i >= 0; i--) + _eglGlobal.AtExitCalls[i](); } -/** - * Should call this via an atexit handler. - */ void -_eglDestroyGlobals(void) +_eglAddAtExitCall(void (*func)(void)) { - _eglFiniCurrent(); - /* XXX TODO walk over table entries, deleting each */ - _eglDeleteHashTable(_eglGlobal.Displays); - _eglDeleteHashTable(_eglGlobal.Surfaces); + if (func) { + static EGLBoolean registered = EGL_FALSE; + + _eglLockMutex(_eglGlobal.Mutex); + + if (!registered) { + atexit(_eglAtExit); + registered = EGL_TRUE; + } + + assert(_eglGlobal.NumAtExitCalls < ARRAY_SIZE(_eglGlobal.AtExitCalls)); + _eglGlobal.AtExitCalls[_eglGlobal.NumAtExitCalls++] = func; + + _eglUnlockMutex(_eglGlobal.Mutex); + } } |