1 files changed, 99 insertions, 6 deletions
diff --git a/src/egl/main/egldisplay.h b/src/egl/main/egldisplay.h
index ff623ee1c6..70c59ef5e4 100644
--- a/src/egl/main/egldisplay.h
+++ b/src/egl/main/egldisplay.h
@@ -6,6 +6,7 @@
 #endif
 
 #include "egltypedefs.h"
+#include "eglhash.h"
 
 
 struct _egl_display 
@@ -23,6 +24,13 @@ struct _egl_display
    EGLint NumConfigs;
    _EGLConfig **Configs;  /* array [NumConfigs] of ptr to _EGLConfig */
 
+   /* lists of linked contexts and surface */
+   _EGLContext *ContextList;
+   _EGLSurface *SurfaceList;
+
+   /* hash table to map surfaces to handles */
+   _EGLHashtable *SurfaceHash;
+
 #ifdef _EGL_PLATFORM_X
    Display *Xdpy;
 #endif
@@ -33,7 +41,15 @@ extern _EGLDisplay *
 _eglNewDisplay(NativeDisplayType displayName);
 
 
-EGLDisplay
+extern EGLDisplay
+_eglLinkDisplay(_EGLDisplay *dpy);
+
+
+extern void
+_eglUnlinkDisplay(_EGLDisplay *dpy);
+
+
+extern EGLDisplay
 _eglGetDisplayHandle(_EGLDisplay *display);
 
 
@@ -41,21 +57,98 @@ extern _EGLDisplay *
 _eglLookupDisplay(EGLDisplay dpy);
 
 
-extern void
-_eglSaveDisplay(_EGLDisplay *dpy);
+/**
+ * Return true if the display is linked.
+ */
+static INLINE EGLBoolean
+_eglIsDisplayLinked(_EGLDisplay *dpy)
+{
+   return (EGLBoolean) (_eglGetDisplayHandle(dpy) != EGL_NO_DISPLAY);
+}
 
 
 extern _EGLDisplay *
-_eglGetCurrentDisplay(void);
+_eglFindDisplay(NativeDisplayType nativeDisplay);
+
+
+extern void
+_eglReleaseDisplayResources(_EGLDriver *drv, EGLDisplay dpy);
 
 
 extern void
 _eglCleanupDisplay(_EGLDisplay *disp);
 
 
-extern EGLBoolean 
-_eglQueryDisplayMESA(_EGLDriver *drv, EGLDisplay dpy, EGLint attrib, EGLint *value);
+extern EGLContext
+_eglLinkContext(_EGLContext *ctx, _EGLDisplay *dpy);
+
+
+extern void
+_eglUnlinkContext(_EGLContext *ctx);
+
+
+extern EGLContext
+_eglGetContextHandle(_EGLContext *ctx);
+
+
+extern _EGLContext *
+_eglLookupContext(EGLContext ctx);
 
 
+/**
+ * Return true if the context is linked to a display.
+ */
+static INLINE EGLBoolean
+_eglIsContextLinked(_EGLContext *ctx)
+{
+   return (EGLBoolean) (_eglGetContextHandle(ctx) != EGL_NO_CONTEXT);
+}
+
+extern EGLSurface
+_eglLinkSurface(_EGLSurface *surf, _EGLDisplay *dpy);
+
+
+extern void
+_eglUnlinkSurface(_EGLSurface *surf);
+
+
+extern EGLSurface
+_eglGetSurfaceHandle(_EGLSurface *);
+
+
+extern _EGLSurface *
+_eglLookupSurface(EGLSurface surf);
+
+
+/**
+ * Return true if the surface is linked to a display.
+ */
+static INLINE EGLBoolean
+_eglIsSurfaceLinked(_EGLSurface *surf)
+{
+   return (EGLBoolean) (_eglGetSurfaceHandle(surf) != EGL_NO_SURFACE);
+}
+
+
+/**
+ * Cast an unsigned int to a pointer.
+ */
+static INLINE void *
+_eglUIntToPointer(unsigned int v)
+{
+   return (void *) ((uintptr_t) v);
+}
+
+
+/**
+ * Cast a pointer to an unsigned int.  The pointer must be one that is
+ * returned by _eglUIntToPointer.
+ */
+static INLINE unsigned int
+_eglPointerToUInt(const void *p)
+{
+   return (unsigned int) ((uintptr_t) p);
+}
+
 
 #endif /* EGLDISPLAY_INCLUDED */