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authorIan Romanick <idr@us.ibm.com>2005-04-14 21:05:55 +0000
committerIan Romanick <idr@us.ibm.com>2005-04-14 21:05:55 +0000
commit6cae4f3bc9b92f9bbda753843e8ff0f0bbbb8fb3 (patch)
tree20046e523ff4bf96981adb3b6dba8f17cac00840 /src/mesa/glapi
parentf434e07a6ac849cd127d70eee8b3349da7cfb360 (diff)
In GLX_USE_TLS builds, make GET_CURRENT_CONTEXT use the TLS verion of the
variable. Without this, GET_CURRENT_CONTEXT would *always* result in a call to _glapi_get_context (because _glapi_Context is a const pointer to NULL in TLS builds).
Diffstat (limited to 'src/mesa/glapi')
-rw-r--r--src/mesa/glapi/glapi.h24
-rw-r--r--src/mesa/glapi/glthread.h7
2 files changed, 28 insertions, 3 deletions
diff --git a/src/mesa/glapi/glapi.h b/src/mesa/glapi/glapi.h
index e3ef066e69..fa4554ec7b 100644
--- a/src/mesa/glapi/glapi.h
+++ b/src/mesa/glapi/glapi.h
@@ -59,11 +59,35 @@ typedef void (*_glapi_proc)(void); /* generic function pointer */
const extern void *_glapi_Context;
const extern struct _glapi_table *_glapi_Dispatch;
+extern __thread void * _glapi_tls_Context
+ __attribute__((tls_model("initial-exec")));
+
+# define GET_CURRENT_CONTEXT(C) GLcontext *C = (GLcontext *) _glapi_tls_Context
+
#else
extern void *_glapi_Context;
extern struct _glapi_table *_glapi_Dispatch;
+/**
+ * Macro for declaration and fetching the current context.
+ *
+ * \param C local variable which will hold the current context.
+ *
+ * It should be used in the variable declaration area of a function:
+ * \code
+ * ...
+ * {
+ * GET_CURRENT_CONTEXT(ctx);
+ * ...
+ * \endcode
+ */
+# ifdef THREADS
+# define GET_CURRENT_CONTEXT(C) GLcontext *C = (GLcontext *) (_glapi_Context ? _glapi_Context : _glapi_get_context())
+# else
+# define GET_CURRENT_CONTEXT(C) GLcontext *C = (GLcontext *) _glapi_Context
+# endif
+
#endif /* defined (GLX_USE_TLS) */
extern void
diff --git a/src/mesa/glapi/glthread.h b/src/mesa/glapi/glthread.h
index 615d169986..291485dc20 100644
--- a/src/mesa/glapi/glthread.h
+++ b/src/mesa/glapi/glthread.h
@@ -64,9 +64,10 @@
#define GLTHREAD_H
-#if defined(PTHREADS) || defined(SOLARIS_THREADS) || defined(WIN32_THREADS) || \
- defined(XTHREADS) || defined(BEOS_THREADS)
-#define THREADS
+#if (defined(PTHREADS) || defined(SOLARIS_THREADS) ||\
+ defined(WIN32_THREADS) || defined(XTHREADS) || defined(BEOS_THREADS)) \
+ && !defined(THREADS)
+# define THREADS
#endif
#ifdef VMS