#include "egltypedefs.h"
+#include "egldisplay.h"
/**
*/
struct _egl_surface
{
- /* Managed by EGLDisplay for linking */
- _EGLDisplay *Display;
- _EGLSurface *Next;
+ /* A surface is a display resource */
+ _EGLResource Resource;
/* The bound status of the surface */
_EGLContext *Binding;
};
-extern EGLBoolean
+PUBLIC EGLBoolean
_eglInitSurface(_EGLDriver *drv, _EGLSurface *surf, EGLint type,
_EGLConfig *config, const EGLint *attrib_list);
}
+/**
+ * Link a surface to a display and return the handle of the link.
+ * The handle can be passed to client directly.
+ */
+static INLINE EGLSurface
+_eglLinkSurface(_EGLSurface *surf, _EGLDisplay *dpy)
+{
+ _eglLinkResource(&surf->Resource, _EGL_RESOURCE_SURFACE, dpy);
+ return (EGLSurface) surf;
+}
+
+
+/**
+ * Unlink a linked surface from its display.
+ * Accessing an unlinked surface should generate EGL_BAD_SURFACE error.
+ */
+static INLINE void
+_eglUnlinkSurface(_EGLSurface *surf)
+{
+ _eglUnlinkResource(&surf->Resource, _EGL_RESOURCE_SURFACE);
+}
+
+
+/**
+ * Lookup a handle to find the linked surface.
+ * Return NULL if the handle has no corresponding linked surface.
+ */
+static INLINE _EGLSurface *
+_eglLookupSurface(EGLSurface surface, _EGLDisplay *dpy)
+{
+ _EGLResource *res = (_EGLResource *) surface;
+ _EGLSurface *surf = (_EGLSurface *) surface;
+ if (!res || !dpy || !_eglCheckResource(res, _EGL_RESOURCE_SURFACE, dpy))
+ surf = NULL;
+ return surf;
+}
+
+
+/**
+ * Return the handle of a linked surface, or EGL_NO_SURFACE.
+ */
+static INLINE EGLSurface
+_eglGetSurfaceHandle(_EGLSurface *surf)
+{
+ _EGLResource *res = (_EGLResource *) surf;
+ return (res && _eglIsResourceLinked(res)) ?
+ (EGLSurface) surf : EGL_NO_SURFACE;
+}
+
+
+/**
+ * Return true if the surface is linked to a display.
+ */
+static INLINE EGLBoolean
+_eglIsSurfaceLinked(_EGLSurface *surf)
+{
+ _EGLResource *res = (_EGLResource *) surf;
+ return (res && _eglIsResourceLinked(res));
+}
+
+
#endif /* EGLSURFACE_INCLUDED */