egl: Replace IsBound by a pointer to the binding.

IsBound tells if a context or surface is current.  What it does not tell
is, to which thread a context is current, or to which context a surface
is current.  This commit replaces IsBound by a pointer to the binding
thread or context.

Signed-off-by: Chia-I Wu <olvaffe@gmail.com>

1 files changed, 14 insertions, 3 deletions

diff --git a/src/egl/main/eglcontext.h b/src/egl/main/eglcontext.h
index 2fb28d38b9..4276c0980e 100644
--- a/src/egl/main/eglcontext.h
+++ b/src/egl/main/eglcontext.h
@@ -15,12 +15,12 @@ struct _egl_context
    _EGLDisplay *Display;
    _EGLContext *Next;
 
-   _EGLConfig *Config;
-
+   /* The bound status of the context */
+   _EGLThreadInfo *Binding;
    _EGLSurface *DrawSurface;
    _EGLSurface *ReadSurface;
 
-   EGLBoolean IsBound;
+   _EGLConfig *Config;
 
    EGLint ClientAPI; /**< EGL_OPENGL_ES_API, EGL_OPENGL_API, EGL_OPENVG_API */
    EGLint ClientVersion; /**< 1 = OpenGLES 1.x, 2 = OpenGLES 2.x */
@@ -51,4 +51,15 @@ _eglMakeCurrent(_EGLDriver *drv, EGLDisplay dpy, EGLSurface draw, EGLSurface rea
 extern EGLBoolean
 _eglCopyContextMESA(_EGLDriver *drv, EGLDisplay dpy, EGLContext source, EGLContext dest, EGLint mask);
 
+
+/**
+ * Return true if the context is bound to a thread.
+ */
+static INLINE EGLBoolean
+_eglIsContextBound(_EGLContext *ctx)
+{
+   return (ctx->Binding != NULL);
+}
+
+
 #endif /* EGLCONTEXT_INCLUDED */