mesa: minor fix-ups for _mesa_validate_sync()

Return bool instead of int.  Const-qualify the syncObj.  Add some comments.

Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>

diff --git a/src/mesa/main/syncobj.c b/src/mesa/main/syncobj.c
index 987d4f5..27867a1 100644 (file)
--- a/src/mesa/main/syncobj.c
+++ b/src/mesa/main/syncobj.c
@@ -161,8 +161,16 @@ _mesa_free_sync_data(struct gl_context *ctx)
 }
 
 
-int
-_mesa_validate_sync(struct gl_context *ctx, struct gl_sync_object *syncObj)
+/**
+ * Check if the given sync object is:
+ *  - non-null
+ *  - not in sync objects hash table
+ *  - type is GL_SYNC_FENCE
+ *  - not marked as deleted
+ */
+bool
+_mesa_validate_sync(struct gl_context *ctx,
+                    const struct gl_sync_object *syncObj)
 {
    return (syncObj != NULL)
       && _mesa_set_search(ctx->Shared->SyncObjects,

diff --git a/src/mesa/main/syncobj.h b/src/mesa/main/syncobj.h
index 025a9b1..5d510e8 100644 (file)
--- a/src/mesa/main/syncobj.h
+++ b/src/mesa/main/syncobj.h
@@ -53,8 +53,9 @@ _mesa_ref_sync_object(struct gl_context *ctx, struct gl_sync_object *syncObj);
 extern void
 _mesa_unref_sync_object(struct gl_context *ctx, struct gl_sync_object *syncObj);
 
-extern int
-_mesa_validate_sync(struct gl_context *ctx, struct gl_sync_object *syncObj);
+extern bool
+_mesa_validate_sync(struct gl_context *ctx,
+                    const struct gl_sync_object *syncObj);
 
 extern GLboolean GLAPIENTRY
 _mesa_IsSync(GLsync sync);