diff options
Diffstat (limited to 'intern/cycles/util/util_atomic.h')
| -rw-r--r-- | intern/cycles/util/util_atomic.h | 40 |
1 files changed, 30 insertions, 10 deletions
diff --git a/intern/cycles/util/util_atomic.h b/intern/cycles/util/util_atomic.h index 433e41fbbb6..f3c7ae546a0 100644 --- a/intern/cycles/util/util_atomic.h +++ b/intern/cycles/util/util_atomic.h @@ -22,15 +22,13 @@ /* Using atomic ops header from Blender. */ #include "atomic_ops.h" -ATOMIC_INLINE void atomic_update_max_z(size_t *maximum_value, size_t value) -{ - size_t prev_value = *maximum_value; - while(prev_value < value) { - if(atomic_cas_z(maximum_value, prev_value, value) != prev_value) { - break; - } - } -} +#define atomic_add_and_fetch_float(p, x) atomic_add_and_fetch_fl((p), (x)) + +#define atomic_fetch_and_inc_uint32(p) atomic_fetch_and_add_uint32((p), 1) +#define atomic_fetch_and_dec_uint32(p) atomic_fetch_and_add_uint32((p), -1) + +#define CCL_LOCAL_MEM_FENCE 0 +#define ccl_barrier(flags) (void)0 #else /* __KERNEL_GPU__ */ @@ -39,7 +37,7 @@ ATOMIC_INLINE void atomic_update_max_z(size_t *maximum_value, size_t value) /* Float atomics implementation credits: * http://suhorukov.blogspot.in/2011/12/opencl-11-atomic-operations-on-floating.html */ -ccl_device_inline void atomic_add_and_fetch_float(volatile ccl_global float *source, +ccl_device_inline float atomic_add_and_fetch_float(volatile ccl_global float *source, const float operand) { union { @@ -56,10 +54,32 @@ ccl_device_inline void atomic_add_and_fetch_float(volatile ccl_global float *sou } while(atomic_cmpxchg((volatile ccl_global unsigned int *)source, prev_value.int_value, new_value.int_value) != prev_value.int_value); + return new_value.float_value; } +#define atomic_fetch_and_add_uint32(p, x) atomic_add((p), (x)) +#define atomic_fetch_and_inc_uint32(p) atomic_inc((p)) +#define atomic_fetch_and_dec_uint32(p) atomic_dec((p)) + +#define CCL_LOCAL_MEM_FENCE CLK_LOCAL_MEM_FENCE +#define ccl_barrier(flags) barrier(flags) + #endif /* __KERNEL_OPENCL__ */ +#ifdef __KERNEL_CUDA__ + +#define atomic_add_and_fetch_float(p, x) (atomicAdd((float*)(p), (float)(x)) + (float)(x)) + +#define atomic_fetch_and_add_uint32(p, x) atomicAdd((unsigned int*)(p), (unsigned int)(x)) +#define atomic_fetch_and_sub_uint32(p, x) atomicSub((unsigned int*)(p), (unsigned int)(x)) +#define atomic_fetch_and_inc_uint32(p) atomic_fetch_and_add_uint32((p), 1) +#define atomic_fetch_and_dec_uint32(p) atomic_fetch_and_sub_uint32((p), 1) + +#define CCL_LOCAL_MEM_FENCE +#define ccl_barrier(flags) __syncthreads() + +#endif /* __KERNEL_CUDA__ */ + #endif /* __KERNEL_GPU__ */ #endif /* __UTIL_ATOMIC_H__ */ |