diff options
| -rw-r--r-- | src/mesa/glapi/glapi.c | 70 | ||||
| -rw-r--r-- | src/mesa/glapi/glapi.h | 15 |
2 files changed, 76 insertions, 9 deletions
diff --git a/src/mesa/glapi/glapi.c b/src/mesa/glapi/glapi.c index 47dd1dfe443..ed1a0c97da1 100644 --- a/src/mesa/glapi/glapi.c +++ b/src/mesa/glapi/glapi.c @@ -1,4 +1,4 @@ -/* $Id: glapi.c,v 1.17 1999/12/17 12:20:23 brianp Exp $ */ +/* $Id: glapi.c,v 1.18 1999/12/17 14:51:28 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -49,11 +49,14 @@ /* Flag to indicate whether thread-safe dispatch is enabled */ -static GLboolean ThreadSafe = GL_FALSE; +GLboolean _glapi_ThreadSafe = GL_FALSE; /* This is used when thread safety is disabled */ static struct _glapi_table *Dispatch = &__glapi_noop_table; +/* Used when thread safety disabled */ +void *_glapi_CurrentContext = NULL; + #if defined(THREADS) @@ -66,6 +69,14 @@ static void dispatch_thread_init() _glthread_InitTSD(&DispatchTSD); } + +static _glthread_TSD ContextTSD; + +static void context_thread_init() +{ + _glthread_InitTSD(&ContextTSD); +} + #endif @@ -84,7 +95,7 @@ void _glapi_check_multithread(void) { #if defined(THREADS) - if (!ThreadSafe) { + if (!_glapi_ThreadSafe) { static unsigned long knownID; static GLboolean firstCall = GL_TRUE; if (firstCall) { @@ -92,10 +103,10 @@ _glapi_check_multithread(void) firstCall = GL_FALSE; } else if (knownID != _glthread_GetID()) { - ThreadSafe = GL_TRUE; + _glapi_ThreadSafe = GL_TRUE; } } - if (ThreadSafe) { + if (_glapi_ThreadSafe) { /* make sure that this thread's dispatch pointer isn't null */ if (!_glapi_get_dispatch()) { _glapi_set_dispatch(NULL); @@ -107,6 +118,49 @@ _glapi_check_multithread(void) /* + * Set the current context pointer for this thread. + * The context pointer is an opaque type which should be cast to + * void from the real context pointer type. + */ +void +_glapi_set_current_context(void *context) +{ +#if defined(THREADS) + _glthread_SetTSD(&ContextTSD, context, context_thread_init); + if (_glapi_ThreadSafe) + _glapi_CurrentContext = NULL; /* to help with debugging */ + else + _glapi_CurrentContext = context; +#else + _glapi_CurrentContext = context; +#endif +} + + + +/* + * Get the current context pointer for this thread. + * The context pointer is an opaque type which should be cast from + * void to the real context pointer type. + */ +void * +_glapi_get_current_context(void) +{ +#if defined(THREADS) + if (_glapi_ThreadSafe) { + return _glthread_GetTSD(&ContextTSD); + } + else { + return _glapi_CurrentContext; + } +#else + return _glapi_CurrentContext; +#endif +} + + + +/* * Set the global or per-thread dispatch table pointer. */ void @@ -124,7 +178,7 @@ _glapi_set_dispatch(struct _glapi_table *dispatch) #if defined(THREADS) _glthread_SetTSD(&DispatchTSD, (void*) dispatch, dispatch_thread_init); - if (ThreadSafe) + if (_glapi_ThreadSafe) Dispatch = NULL; /* to help with debugging */ else Dispatch = dispatch; @@ -142,7 +196,7 @@ struct _glapi_table * _glapi_get_dispatch(void) { #if defined(THREADS) - if (ThreadSafe) { + if (_glapi_ThreadSafe) { return (struct _glapi_table *) _glthread_GetTSD(&DispatchTSD); } else { @@ -453,7 +507,7 @@ _glapi_check_table(const struct _glapi_table *table) #define DISPATCH_SETUP \ const struct _glapi_table *dispatch; \ - if (ThreadSafe) { \ + if (_glapi_ThreadSafe) { \ dispatch = _glapi_get_dispatch(); \ } \ else { \ diff --git a/src/mesa/glapi/glapi.h b/src/mesa/glapi/glapi.h index 9f12b2c08ef..5486819da53 100644 --- a/src/mesa/glapi/glapi.h +++ b/src/mesa/glapi/glapi.h @@ -1,4 +1,4 @@ -/* $Id: glapi.h,v 1.10 1999/12/16 17:33:44 brianp Exp $ */ +/* $Id: glapi.h,v 1.11 1999/12/17 14:51:29 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -34,11 +34,24 @@ struct _glapi_table; +extern GLboolean _glapi_ThreadSafe; + +extern void *_glapi_CurrentContext; + + extern void _glapi_check_multithread(void); extern void +_glapi_set_current_context(void *context); + + +extern void * +_glapi_get_current_context(void); + + +extern void _glapi_set_dispatch(struct _glapi_table *dispatch); |