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authorMichal Krol <michal@vmware.com>2009-03-17 10:54:08 +0100
committerMichal Krol <michal@vmware.com>2009-03-17 10:54:08 +0100
commit1e23dac869ccc08cbb959c63fedb3c82d3187f5a (patch)
tree748dafebf9032f7acd66244ac2b5bbdddd0f774d /src/gallium
parent709b3128f3c3e9a0a52d79cc82a0cb9feb195dc1 (diff)
gallium: Provide unprotected atomic implementation for display and miniport interfaces.
Diffstat (limited to 'src/gallium')
-rw-r--r--src/gallium/include/pipe/p_atomic.h16
1 files changed, 15 insertions, 1 deletions
diff --git a/src/gallium/include/pipe/p_atomic.h b/src/gallium/include/pipe/p_atomic.h
index b9bf711714..fb370b0d0e 100644
--- a/src/gallium/include/pipe/p_atomic.h
+++ b/src/gallium/include/pipe/p_atomic.h
@@ -66,7 +66,21 @@ p_atomic_cmpxchg(struct pipe_atomic *v, int32_t old, int32_t new)
return __sync_val_compare_and_swap(&v->count, old, new);
}
-#elif (defined(PIPE_ARCH_X86) && defined(PIPE_CC_MSVC)) /* (defined(PIPE_CC_GCC)) */
+#elif (defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY) || defined(PIPE_SUBSYSTEM_WINDOWS_MINIPORT)) /* (defined(PIPE_CC_GCC)) */
+
+struct pipe_atomic
+{
+ int32_t count;
+};
+
+#define p_atomic_set(_v, _i) ((_v)->count = (_i))
+#define p_atomic_read(_v) ((_v)->count)
+#define p_atomic_dec_zero(_v) ((boolean) --(_v)->count)
+#define p_atomic_inc(_v) ((void) (_v)->count++)
+#define p_atomic_dec(_v) ((void) (_v)->count--)
+#define p_atomic_cmpxchg(_v, old, new) ((_v)->count == old ? (_v)->count = (new) : (_v)->count)
+
+#elif (defined(PIPE_ARCH_X86) && defined(PIPE_CC_MSVC)) /* (defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY) || defined(PIPE_SUBSYSTEM_WINDOWS_MINIPORT)) */
struct pipe_atomic
{