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Added support for 'uniform' global atomics.

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Issue #93.
This commit is contained in:
Matt Pharr
2011-09-28 16:06:07 -07:00
parent d45c536c47
commit aad269fdf4
17 changed files with 264 additions and 57 deletions
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23
stdlib.ispc
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@@ -581,6 +581,13 @@ static inline TA atomic_##OPA##_global(uniform reference TA ref, TA value) { \
TA ret = __atomic_##OPB##_##TB##_global(ref, value, (MASKTYPE)__mask); \
memory_barrier(); \
return ret; \
} \
static inline uniform TA atomic_##OPA##_global(uniform reference TA ref, \
uniform TA value) { \
memory_barrier(); \
uniform TA ret = __atomic_##OPB##_uniform_##TB##_global(ref, value, (MASKTYPE)__mask); \
memory_barrier(); \
return ret; \
}
#define DEFINE_ATOMIC_MINMAX_OP(TA,TB,OPA,OPB) \
@@ -589,10 +596,17 @@ static inline TA atomic_##OPA##_global(uniform reference TA ref, TA value) { \
TA ret; \
if (lanemask() != 0) { \
memory_barrier(); \
ret = __atomic_##OPB##_##TB##_global(ref, oneval, __mask); \
ret = __atomic_##OPB##_uniform_##TB##_global(ref, oneval, __mask); \
memory_barrier(); \
} \
return ret; \
} \
static inline uniform TA atomic_##OPA##_global(uniform reference TA ref, \
uniform TA value) { \
memory_barrier(); \
uniform TA ret = __atomic_##OPB##_uniform_##TB##_global(ref, value, __mask); \
memory_barrier(); \
return ret; \
}
DEFINE_ATOMIC_OP(int32,int32,add,add,int32)
@@ -648,6 +662,13 @@ static inline TA atomic_compare_exchange_global( \
TA ret = __atomic_compare_exchange_##TB##_global(ref, oldval, newval, __mask); \
memory_barrier(); \
return ret; \
} \
static inline uniform TA atomic_compare_exchange_global( \
uniform reference TA ref, uniform TA oldval, uniform TA newval) { \
memory_barrier(); \
uniform TA ret = __atomic_compare_exchange_uniform_##TB##_global(ref, oldval, newval, __mask); \
memory_barrier(); \
return ret; \
}
ATOMIC_DECL_CMPXCHG(int32, int32)