Mesa (master): egl: Add a mutex to _EGLDisplay.

[Chia-I Wu]

Module: Mesa
Branch: master
Commit: 99bcb1f06d35a038b9fcf9786938a31b3dba21b7
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=99bcb1f06d35a038b9fcf9786938a31b3dba21b7

Author: Chia-I Wu <olv at lunarg.com>
Date:   Wed Feb 17 17:29:52 2010 +0800

egl: Add a mutex to _EGLDisplay.

A display may be shared by multiple threads.  Add a mutex for access
control.

---

 src/egl/main/egldisplay.c |    1 +
 src/egl/main/egldisplay.h |    3 +++
 2 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/src/egl/main/egldisplay.c b/src/egl/main/egldisplay.c
index d7a8d14..acf461d 100644
--- a/src/egl/main/egldisplay.c
+++ b/src/egl/main/egldisplay.c
@@ -55,6 +55,7 @@ _eglNewDisplay(EGLNativeDisplayType nativeDisplay)
 {
    _EGLDisplay *dpy = (_EGLDisplay *) calloc(1, sizeof(_EGLDisplay));
    if (dpy) {
+      _eglInitMutex(&dpy->Mutex);
       dpy->NativeDisplay = nativeDisplay;
    }
    return dpy;
diff --git a/src/egl/main/egldisplay.h b/src/egl/main/egldisplay.h
index 0390329..3698646 100644
--- a/src/egl/main/egldisplay.h
+++ b/src/egl/main/egldisplay.h
@@ -4,6 +4,7 @@
 
 #include "egltypedefs.h"
 #include "egldefines.h"
+#include "eglmutex.h"
 
 
 enum _egl_resource_type {
@@ -53,6 +54,8 @@ struct _egl_display
    /* used to link displays */
    _EGLDisplay *Next;
 
+   _EGLMutex Mutex;
+
    EGLNativeDisplayType NativeDisplay;
 
    EGLBoolean Initialized; /**< True if the display is initialized */