Mesa (master): gallium: Drop mutex-based pipe_atomic implementation.
Jose Fonseca
jrfonseca at kemper.freedesktop.org
Wed Feb 3 19:37:01 UTC 2010
Module: Mesa
Branch: master
Commit: 7827bc73c79a506937b20ae834c89273bfb92c12
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=7827bc73c79a506937b20ae834c89273bfb92c12
Author: José Fonseca <jfonseca at vmware.com>
Date: Mon Feb 1 14:23:36 2010 +0000
gallium: Drop mutex-based pipe_atomic implementation.
First step to severe the dependency in OS abstractions from the Gallium
interfaces.
---
src/gallium/include/pipe/p_atomic.h | 83 +----------------------------------
1 files changed, 1 insertions(+), 82 deletions(-)
diff --git a/src/gallium/include/pipe/p_atomic.h b/src/gallium/include/pipe/p_atomic.h
index 0c3fbae..d505266 100644
--- a/src/gallium/include/pipe/p_atomic.h
+++ b/src/gallium/include/pipe/p_atomic.h
@@ -35,7 +35,7 @@ extern "C" {
#elif defined(PIPE_CC_GCC)
#define PIPE_ATOMIC_GCC_INTRINSIC
#else
-#define PIPE_ATOMIC_MUTEX
+#error "Unsupported platform"
#endif
@@ -259,87 +259,6 @@ p_atomic_cmpxchg(struct pipe_atomic *v, int32_t old, int32_t _new)
-#if defined(PIPE_ATOMIC_MUTEX)
-
-#define PIPE_ATOMIC "mutex-based fallback"
-
-#include "pipe/p_thread.h"
-
-/**
- * This implementation should really not be used.
- * Add an assembly port instead. It may abort and
- * doesn't destroy used mutexes.
- */
-
-struct pipe_atomic {
- pipe_mutex mutex;
- int32_t count;
-};
-
-static INLINE void
-p_atomic_set(struct pipe_atomic *v, int32_t i)
-{
- pipe_mutex_init(v->mutex);
- pipe_mutex_lock(v->mutex);
- v->count = i;
- pipe_mutex_unlock(v->mutex);
-}
-
-static INLINE int32_t
-p_atomic_read(struct pipe_atomic *v)
-{
- int32_t ret;
-
- pipe_mutex_lock(v->mutex);
- ret = v->count;
- pipe_mutex_unlock(v->mutex);
- return ret;
-}
-
-static INLINE void
-p_atomic_inc(struct pipe_atomic *v)
-{
- pipe_mutex_lock(v->mutex);
- ++v->count;
- pipe_mutex_unlock(v->mutex);
-}
-
-static INLINE void
-p_atomic_dec(struct pipe_atomic *v)
-{
- pipe_mutex_lock(v->mutex);
- --v->count;
- pipe_mutex_unlock(v->mutex);
-}
-
-static INLINE boolean
-p_atomic_dec_zero(struct pipe_atomic *v)
-{
- boolean ret;
-
- pipe_mutex_lock(v->mutex);
- ret = (--v->count == 0);
- pipe_mutex_unlock(v->mutex);
- return ret;
-}
-
-static INLINE int32_t
-p_atomic_cmpxchg(struct pipe_atomic *v, int32_t old, int32_t _new)
-{
- int32_t ret;
-
- pipe_mutex_lock(v->mutex);
- ret = v->count;
- if (ret == old)
- v->count = _new;
- pipe_mutex_unlock(v->mutex);
-
- return ret;
-}
-
-#endif
-
-
#ifndef PIPE_ATOMIC
#error "No pipe_atomic implementation selected"
#endif
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