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wgl: Cope with pre-existing threads. 

DllMain is called with DLL_THREAD_ATTACH only by threads created after
the DLL is loaded by the process.
This commit is contained in:
José Fonseca 2009-04-27 18:48:11 +01:00
parent c384ccb0c4
commit 76b9da9e98
1 changed files with 31 additions and 8 deletions
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39
src/gallium/state_trackers/wgl/shared/stw_tls.c
View File

@ -44,6 +44,20 @@ stw_tls_init(void)
return TRUE;
}
static INLINE struct stw_tls_data *
stw_tls_data_create()
{
struct stw_tls_data *data;
data = CALLOC_STRUCT(stw_tls_data);
if (!data)
return NULL;
data->currentPixelFormat = 0;
return data;
}
boolean
stw_tls_init_thread(void)
{
@ -53,14 +67,9 @@ stw_tls_init_thread(void)
return FALSE;
}
data = MALLOC(sizeof(*data));
if (!data) {
data = stw_tls_data_create();
if(!data)
return FALSE;
}
data->currentPixelFormat = 0;
data->currentDC = NULL;
data->currentGLRC = 0;
TlsSetValue(tlsIndex, data);
@ -93,9 +102,23 @@ stw_tls_cleanup(void)
struct stw_tls_data *
stw_tls_get_data(void)
{
struct stw_tls_data *data;
if (tlsIndex == TLS_OUT_OF_INDEXES) {
return NULL;
}
data = (struct stw_tls_data *) TlsGetValue(tlsIndex);
if(!data) {
/* DllMain is called with DLL_THREAD_ATTACH only by threads created after
* the DLL is loaded by the process */
data = stw_tls_data_create();
if(!data)
return NULL;
return (struct stw_tls_data *) TlsGetValue(tlsIndex);
TlsSetValue(tlsIndex, data);
}
return data;
}