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authorMichal Krol <michal@vmware.com>2009-12-12 16:48:32 +0100
committerMichal Krol <michal@vmware.com>2009-12-12 16:48:32 +0100
commita3eb0f718e19653a2ad8e49396c904183be456f3 (patch)
tree0092574c469ea586a6cab8b8ebb7ac62b8221a2a /src/gallium/include/pipe/p_refcnt.h
parent491f384c3958067e6c4c994041f5d8d413b806bc (diff)
parent784cca9fa527de771754d76545970f78094b9adf (diff)
Merge branch 'master' into glsl-pp-rework-2
Conflicts: progs/perf/drawoverhead.c progs/perf/teximage.c progs/perf/vbo.c progs/perf/vertexrate.c src/mesa/shader/slang/library/slang_common_builtin_gc.h
Diffstat (limited to 'src/gallium/include/pipe/p_refcnt.h')
-rw-r--r--src/gallium/include/pipe/p_refcnt.h25
1 files changed, 12 insertions, 13 deletions
diff --git a/src/gallium/include/pipe/p_refcnt.h b/src/gallium/include/pipe/p_refcnt.h
index 1f9088b3e9..c1c7415e02 100644
--- a/src/gallium/include/pipe/p_refcnt.h
+++ b/src/gallium/include/pipe/p_refcnt.h
@@ -51,7 +51,7 @@ pipe_reference_init(struct pipe_reference *reference, unsigned count)
}
-static INLINE bool
+static INLINE boolean
pipe_is_referenced(struct pipe_reference *reference)
{
return p_atomic_read(&reference->count) != 0;
@@ -59,30 +59,29 @@ pipe_is_referenced(struct pipe_reference *reference)
/**
- * Set 'ptr' to point to 'reference' and update reference counting.
- * The old thing pointed to, if any, will be unreferenced first.
- * 'reference' may be NULL.
+ * Update reference counting.
+ * The old thing pointed to, if any, will be unreferenced.
+ * Both 'ptr' and 'reference' may be NULL.
+ * \return TRUE if the object's refcount hits zero and should be destroyed.
*/
-static INLINE bool
-pipe_reference(struct pipe_reference **ptr, struct pipe_reference *reference)
+static INLINE boolean
+pipe_reference(struct pipe_reference *ptr, struct pipe_reference *reference)
{
- bool destroy = FALSE;
+ boolean destroy = FALSE;
- if(*ptr != reference) {
+ if(ptr != reference) {
/* bump the reference.count first */
if (reference) {
assert(pipe_is_referenced(reference));
p_atomic_inc(&reference->count);
}
- if (*ptr) {
- assert(pipe_is_referenced(*ptr));
- if (p_atomic_dec_zero(&(*ptr)->count)) {
+ if (ptr) {
+ assert(pipe_is_referenced(ptr));
+ if (p_atomic_dec_zero(&ptr->count)) {
destroy = TRUE;
}
}
-
- *ptr = reference;
}
return destroy;