-
- free((void *) disp->DriverName);
- disp->DriverName = NULL;
-
- /* driver deletes the _EGLDisplay object */
-}
-
-
-/**
- * Link a context to a display and return the handle of the link.
- * The handle can be passed to client directly.
- */
-EGLContext
-_eglLinkContext(_EGLContext *ctx, _EGLDisplay *dpy)
-{
- ctx->Display = dpy;
- ctx->Next = dpy->ContextList;
- dpy->ContextList = ctx;
- return (EGLContext) ctx;
-}
-
-
-/**
- * Unlink a linked context from its display.
- * Accessing an unlinked context should generate EGL_BAD_CONTEXT error.
- */
-void
-_eglUnlinkContext(_EGLContext *ctx)
-{
- _EGLContext *prev;
-
- prev = ctx->Display->ContextList;
- if (prev != ctx) {
- while (prev) {
- if (prev->Next == ctx)
- break;
- prev = prev->Next;
- }
- assert(prev);
- prev->Next = ctx->Next;
- }
- else {
- ctx->Display->ContextList = ctx->Next;
- }
-
- ctx->Next = NULL;
- ctx->Display = NULL;
-}
-
-
-/**
- * Return the handle of a linked context, or EGL_NO_CONTEXT.
- */
-EGLContext
-_eglGetContextHandle(_EGLContext *ctx)
-{
- return (EGLContext) ((ctx && ctx->Display) ? ctx : EGL_NO_CONTEXT);
-}
-
-
-/**
- * Lookup a handle to find the linked context.
- * Return NULL if the handle has no corresponding linked context.
- */
-_EGLContext *
-_eglLookupContext(EGLContext ctx)
-{
- _EGLContext *context = (_EGLContext *) ctx;
- return (context && context->Display) ? context : NULL;