Introduce per-object per-screen privates.

This replaces dixCreatePrivateKey and the only uses, which were in
midispcur.

Commit by Jamey Sharp and Josh Triplett.

Signed-off-by: Jamey Sharp <jamey@minilop.net>
Signed-off-by: Josh Triplett <josh@joshtriplett.org>
Reviewed-by: Keith Packard <keithp@keithp.com>

1 files changed, 40 insertions, 11 deletions

diff --git a/include/privates.h b/include/privates.h
index d3c0e1325..9fb6ae84e 100644
--- a/include/privates.h
+++ b/include/privates.h
@@ -65,6 +65,10 @@ typedef struct _DevPrivateKeyRec {
     struct _DevPrivateKeyRec	*next;
 } DevPrivateKeyRec, *DevPrivateKey;
 
+typedef struct _DevScreenPrivateKeyRec {
+    DevPrivateKeyRec	screenKey;
+} DevScreenPrivateKeyRec, *DevScreenPrivateKey;
+
 /*
  * Let drivers know how to initialize private keys
  */
@@ -100,17 +104,6 @@ dixPrivateKeyRegistered(DevPrivateKey key)
 }
 
 /*
- * Allocate a new private key.
- *
- * This manages the storage of the key object itself, freeing it when the
- * privates system is restarted at server reset time. All other keys
- * are expected to be statically allocated as the privates must be
- * reset after all objects have been freed
- */
-extern _X_EXPORT DevPrivateKey
-dixCreatePrivateKey(DevPrivateType type, unsigned size);
-
-/*
  * Get the address of the private storage.
  *
  * For keys with pre-defined storage, this gets the base of that storage
@@ -180,6 +173,42 @@ dixLookupPrivateAddr(PrivatePtr *privates, const DevPrivateKey key)
     return (pointer *)dixGetPrivateAddr(privates, key);
 }
 
+extern _X_EXPORT Bool
+dixRegisterScreenPrivateKey(DevScreenPrivateKey key, ScreenPtr pScreen, DevPrivateType type, unsigned size);
+
+extern _X_EXPORT DevPrivateKey
+_dixGetScreenPrivateKey(const DevScreenPrivateKey key, ScreenPtr pScreen);
+
+static inline void *
+dixGetScreenPrivateAddr(PrivatePtr *privates, const DevScreenPrivateKey key, ScreenPtr pScreen)
+{
+    return dixGetPrivateAddr(privates, _dixGetScreenPrivateKey(key, pScreen));
+}
+
+static inline void *
+dixGetScreenPrivate(PrivatePtr *privates, const DevScreenPrivateKey key, ScreenPtr pScreen)
+{
+    return dixGetPrivate(privates, _dixGetScreenPrivateKey(key, pScreen));
+}
+
+static inline void
+dixSetScreenPrivate(PrivatePtr *privates, const DevScreenPrivateKey key, ScreenPtr pScreen, pointer val)
+{
+    return dixSetPrivate(privates, _dixGetScreenPrivateKey(key, pScreen), val);
+}
+
+static inline pointer
+dixLookupScreenPrivate(PrivatePtr *privates, const DevScreenPrivateKey key, ScreenPtr pScreen)
+{
+    return dixLookupPrivate(privates, _dixGetScreenPrivateKey(key, pScreen));
+}
+
+static inline pointer *
+dixLookupScreenPrivateAddr(PrivatePtr *privates, const DevScreenPrivateKey key, ScreenPtr pScreen)
+{
+    return dixLookupPrivateAddr(privates, _dixGetScreenPrivateKey(key, pScreen));
+}
+
 /*
  * Allocates private data separately from main object.
  *